Bryant 581C Users Manual 580F 36 4

581A/B pds580f-36-4

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COMMERCIAL
SINGLE PACKAGE ROOFTOP UNITS
GAS HEATING/ELECTRIC COOLING UNITS

580F, 579F, 581A/B/C

DuraPac and
DuraPac Plus Series
Sizes 024-300
2 to 25 Tons

48-910df

581A210-300

SIZES 024-073

50-1242f

50-1214df

579F180-216
581A155,180
580F180,210

SIZES 090-151

a48-8207

580F240
579F240-300

Standard efficiency units (580F072, 090, 120, 150 and
579F180-300) are available. Standard efficiency units
(580F036-060, 073, 091,103,121,151, and 180-300) that meet
ASHRAE 90.1-04 minimum energy efficiency requirements are
also available. High efficiency units (581C024-060, 581B036150 and 581A155-300) well exceed ASHRAE 90.1-04 energy
efficiency requirements and must comply with Energy Star high
efficiency requirements. Gas heating with electric cooling rooftops offer:
• Pre-painted galvanized steel cabinet for long life and quality
appearance
• Commercial strength base rails with built-in rigging capability
• Convertible design for vertical or horizontal supply/return
(024-151 field convertible, factory supplied vertical supply/
return and 210-300 discrete configuration only)
• Non-corrosive, sloped condensate drain pan, meets
ASHRAE 62 (IAQ)
• Two-inch return-air filters
• A wide assortment of factory-installed options available,
including high-static drives that provide additional performance range
• Factory-installed optional gear driven EconoMi$er IV (vertical
return for sizes 024-151 only) for use with standard rooftop
unit controls (includes CO2 sensor control capability)
• Factory-installed optional gear driven EconoMi$er2 (vertical
return only) for use with third party DDC controls (includes
4 to 20 mA actuator for demand control ventilation)
• Perfect Humidity™ dehumidification package (581C036-060
and 581B036-150 only)
• Hot gas reheat dehumidification package (581A181-300 only)
Heat Options
• Exclusive integrated gas control board with diagnostics
• Alumagard™ heat exchanger coating

a48-5997

580F300

48-831df

• Induced-draft fan for gas combustion
• Tubular, dimpled heat exchangers

•
•
•
•

Natural gas
LP conversion kits
Low NOX (size 024-060 only)
Optional type 409 stainless steel heat exchangers.

FEATURES/BENEFITS
Every compact one-piece unit arrives fully assembled,
charged, tested, and ready to run.
GAS HEAT MODELS — All ignition components are contained
in the compact IGC (integrated gas controller) which is easily
accessible for servicing. The IGC control board, designed and
manufactured exclusively for Bryant rooftop units, provides
built-in diagnostic capability. An LED (light-emitting diode) simplifies troubleshooting by providing visual fault notification and
required system status confirmation.
The IGC also contains an exclusive anti-cycle protection for
gas heat operation. After 4 continuous cycles on the unit hightemperature limit switch, the gas heat operation is disabled,
and an error code is issued. This feature greatly improves reliability of the rooftop unit.
The IGC also contains burner control logic for accurate and
dependable gas ignition. The LED is visible without removing
the unit control box access panel. This LED fault-notification
system reduces service person troubleshooting time and minimizes service costs. The IGC also maximizes heating efficiency by controlling evaporator-fan on and off delays.
Tubular, dimpled gas heat exchangers optimize heat transfer
for improved efficiency. The tubular design permits hot gases
to make multiple passes across the path of the supply air. The
dimpled design creates a turbulent gas flow to maximize heating efficiency.

Form No. PDS580F-36-4

TABLE OF CONTENTS

The California Air Quality Management Districts NOx requirement of 40 nanograms/joule or less is met on 036-060 size Low
NOx models.
The extra thick Alumagard™ heat exchanger coating provides
corrosion resistance and ensures long life (optional stainless
steel heat exchangers are available).
The unsightly appearance of flue stacks is eliminated and the
effects of wind on heating operations are diminished by the
induced draft combustion system. The inducer fan draws hot
combustion gas through the heat exchanger at the optimum
rate for the most effective heat transfer. The heat exchanger
operates under negative pressure, preventing flue gas leakage
into the indoor supply air.
During the heating mode, the evaporator-fan relay automatically starts the evaporator fan after the heat exchanger warms
up to a suitable temperature. The 30-second fan delay prevents
cold air from entering the supply duct system when the conditioned space is calling for heat to maximize efficiency.
The direct-spark ignition system saves operating expense when
compared to pilot ignition systems. No crossover tube is
required, therefore no sooting or pilot fouling problems can
occur.
All standard units are designed for natural gas, but an accessory propane conversion kit is available.
All units have a flame rectification sensor to quickly sense the
burner flame and ignite burners almost immediately. Fast shutdown is a certainty since the sensor reacts quickly to any flame
outage or system failure. In the event of a shutdown, an error
code is issued at the IGC board.
Safety is also assured due to the heating safety controls which
will shut down the unit if there is a problem. If excessive temperatures develop, limit switches shut off the gas valve. After
4 continuous short cycles of the high-temperature limit switch,
the IGC board locks out the gas heat cycle to prevent any further short cycles. This safety feature is provided exclusively on
Bryant rooftop units. The rollout switch also deenergizes the
gas valve in the event of a flame rollout.
QUIET, EFFICIENT OPERATION AND DEPENDABLE PERFORMANCE — Compressors have vibration isolators for quiet
operation. Efficient fan and motor design permits operation at
low sound levels.
Unit sizes 090-300 offer lower utility costs through part-load
operation using 2 or 3 stages of cooling.
Quiet and efficient operation is provided by belt-driven evaporator fans (standard on all units over 5 tons). The belt-driven
evaporator-fan is equipped with variable-pitch pulleys which
allow adjustment within the rpm ranges of the factory-supplied
pulleys.
Increased operating efficiency is achieved through computerdesigned coils featuring staggered internally enhanced copper
tubes. Fins are ripple-edged for strength, lanced, and double
waved for higher heat transfer.
DURABLE, DEPENDABLE CONSTRUCTION — Designed for
durability in any climate, the weather-resistant cabinets are constructed of galvanized steel and bonderized, and all exterior
panels are coated with a prepainted baked enamel finish. The
paint finish is non-chalking, and is capable of withstanding
ASTM (American Society for Testing and Materials) B117
500-hour Salt Spray Test. All internal cabinet panels are primed,
permitting longer life and a more attractive appearance for the
entire unit.
In addition, all size 024-151 units are designed with a single,
continuous top piece to eliminate any possible leaks at seams
or gasketing. Totally enclosed condenser-fan motors and
permanently lubricated bearings provide additional unit dependability.

Page
Features/Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Model Number Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . 5-9
ARI Capacity Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-19
Options and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . 20-23
580F036-151
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-29
Base Unit Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-33
Accessory Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 34,35
Selection Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37-78
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79-82
Typical Wiring Schematics . . . . . . . . . . . . . . . . . . . . . . . . 83-85
Typical Piping and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
581B036-150
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88-90
Base Unit Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 91,92
Accessory Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 93,94
Selection Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96-136
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137,138
Typical Wiring Schematics . . . . . . . . . . . . . . . . . . . . . . 139-141
Typical Piping and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . .142
Guide Specifications (036-151 Size Units) . . . . . . . . 143-147
581C024-060
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148,149
Base Unit Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151-166
Typical Wiring Schematics . . . . . . . . . . . . . . . . . . . . . . 167-168
Typical Piping and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . .169
Guide Specifications (024-160 Size Units) . . . . . . . . 170-174
579F180-300
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175,176
Base Unit Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . 177,178
Accessory Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 179-181
Selection Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .182
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183-196
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .197
Typical Wiring Schematics . . . . . . . . . . . . . . . . . . . . . . 198-201
Typical Piping and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . .202
580F180-300
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203,204
Base Unit Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . 205-207
Accessory Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 208-211
Selection Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .212
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213-222
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .223
Typical Wiring Schematics . . . . . . . . . . . . . . . . . . . . . . 224-226
Typical Piping and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . .227
581A155-300
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228-231
Base Unit Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . 232,233
Accessory Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 234-237
Selection Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .238
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239-274
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275-277
Typical Wiring Schematics . . . . . . . . . . . . . . . . . . . . . . 278,279
Typical Piping and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . .280
Guide Specifications (155-300 Size Units) . . . . . . . . 281-288
Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289-292
Application Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293-296

FEATURES/BENEFITS (cont)
The efficient in-shot burners and all ignition components are
contained in an easily removable, compact assembly.

2

FEATURES/BENEFITS (cont)
EASY INSTALLATION AND CONVERSION
All Units are Shipped in the Vertical Duct Configuration for
fit-up to standard roof curbs. The contractor can order and
install the roof curb early in the construction stage, before decisions on size requirements are made.
All units feature a base rail design with forklift slots and rigging
holes for easier maneuvering. Durable packaging protects all
units during shipment and storage.
The units can be easily converted from a vertical to a horizontal
duct configuration by relocating the panels supplied with the
unit (size 024-150 only).
To Convert 024-151 Units from vertical to horizontal discharge,
simply relocate 2 panels. The same basic unit can be used for a
variety of applications and can be quickly modified at the jobsite.
To Convert 155-300 Units from vertical to horizontal discharge,
use the optional horizontal supply/return adapter roof curb
(581A155,180 and 579F/580F180-300) or accessory conversion
kit (581A210-300). Please note that 581A210-300 units are
available from the factory configured for horizontal supply/return.
Convenient Duct Openings in the unit basepans permit sideby-side or concentric duct connections (see Application data
section) without requiring internal unit modification.
NOTE: On units using horizontal supply and return, the accessory barometric relief or power exhaust MUST be installed on
the return ductwork.
Thru-The-Bottom Service Connection Capability comes
standard with the rooftop unit to allow power and control wiring
and gas connections to be routed through the unit’s basepan,
thereby minimizing roof penetrations (to prevent water leaks).
(Thru-the-bottom gas connection requires thru-the-bottom
accessory kit.) Power, gas and control connections are made
on the same side of the unit to simplify installation.
The Non-Corrosive Sloped Condensate Drain Pan
(Size 024-150) permits either an external horizontal side condensate drain (outside the roof curb) or an internal vertical
bottom drain (inside the roof curb). Both options require an
external, field-supplied P-trap.
Standard 2-in. Throwaway Filters are easily accessed
through a removable panel located above the air intake hood.
No tools are required to change unit filters.
Belt-Driven Evaporator-Fan Motors (optional on 580F units
under 6 tons) allow maximum on-site flexibility without changing
motors or drives.
Low Voltage Wiring Connections are easily made thanks to
the large terminal board which is located for quick, convenient
access.
In addition, color-coded wires permit easy tracing and
diagnostics.
PROVEN COMPRESSOR RELIABILITY — Design techniques
feature computer-programmed balance between compressor,
condenser, and evaporator. Bryant-specified hermetic compressors are equipped with compressor overcurrent and overtemperature protection to ensure dependability.
All units have Bryant’s exclusive Acutrol™ (024-151) or TXV
(thermostatic expansion valve) metering device (155-300)
which precisely controls refrigerant flow, preventing slugging
and flood-back, while maintaining optimum unit performance.
Refrigerant filter driers are standard.
INTEGRATED ECONOMIZERS AND OUTDOOR-AIR DAMPERS — Available as options or accessories, economizers and
manual outdoor-air dampers introduce outdoor air which mixes
with the conditioned air, improving indoor-air quality and often
reducing energy consumption.
During a first stage call for cooling, if the outdoor-air temperature is below the economizer control changeover set point, the

mixed-air sensor modulates the economizer outdoor-air damper
open to take advantage of free cooling provided by the outside
air. When second-stage cooling is called for, the compressor is
energized in addition to the economizer. If the outdoor-air temperature is above the changeover set point, the first stage of
compression is activated and the economizer damper stays at
minimum position.
Accessory upgrade kits allow for control by differential dry-bulb
temperature (outdoor vs return), outdoor air enthalpy
changeover, or more precise differential enthalpy control.
Units can be equipped with different economizer options to
meet specific controls applications. The factory-installed or
field-installed EconoMi$er IV and EconoMi$er2 are available.
The EconoMi$er IV is used with the standard rooftop unit controls and includes an industry standard, stand-alone, solid-state
controller. The control can be used with a CO2 sensor for DCV
(demand control ventilation) operation. For direct digital control
(DDC) applications, the EconoMi$er2 can be operated using a
third party control system. The EconoMi$er2 includes 4 to
20 mA actuator capability for demand control ventilation
applications.
All economizers incorporate a parallel blade, gear-driven
damper system for efficient air mixing and reliable control. In
addition, the standard damper actuator includes a spring return
to provide reliable closure on power loss. The economizers for
sizes 024-151 are equipped with up to 100% barometric relief
capability for high outdoor airflow operations. Economizers for
unit sizes 024-151 are available, factory-installed, for vertical
return only. Economizers for unit sizes 155-300 are compatible
for vertical or horizontal return. An optional field-installed barometric relief package is available for size 155-300 units.
In addition, single-stage power exhaust is available as a fieldinstalled accessory for EconoMi$er IV to help maintain proper
building pressure.
For units without economizer, year-round ventilation is
enhanced by an optional manual outdoor-air damper. On 024150 units, a 25% or 50% manual damper is available as a fieldinstalled accessory. Unit sizes 155-300 are equipped with a
manual 25% damper.
SERVICE OPTIONS (581B and 581A Units Only) — Servicing
a rooftop unit has never been easier with the factory-installed
service options for these rooftop units. These options include
the following:
• Hinged access panels are provided for the filter/indoor-fan
motor, compressors, evaporator fan, and control box areas.
Quick access to major components is accomplished by simply
unlatching and swinging open the various panels. Each
hinged panel is permanently mounted to the unit, thereby
eliminating the concern of a dropped or wind-blown panel
puncturing delicate roof materials. The 4 extended access
panels are also equipped with ‘‘tie back’’ retaining devices to
hold the door in the open position while servicing the unit.
• An external, covered, 115-v Ground Fault Interrupt (GFI)
receptacle is provided as a convenient power source for drills,
lights, refrigerant recovery units, or other electrical service
tools. A factory-supplied step down transformer is connected
to the “load” side of the unit main power connection (size 024150). For sizes 155-300, connect the outlet to a field-supplied
and properly fused branch circuit power supply.
• Slide out “motor-drive-blower” reduces service time (only on
581A210-300).
• An integral non-fused disconnect switch within the rooftop unit
reduces installation time, labor and material costs. Safety is
assured by an interlock which prevents access to the control
box unless the switch is in the OFF position. In addition, the
externally mounted handle incorporates power lockout capability to further protect service personnel.

3

FEATURES/BENEFITS (cont)
operate when outdoor temperatures diminish and the need for
latent capacity is required for sole humidity control. Hot Gas
Reheat mode will provide neutral air for maximum dehumidification operation.
EXCLUSIVE HOT GAS REHEAT DEHUMIDIFICATION PACKAGE (581A181-300) — The hot gas reheat dehumidification
package is a result of recent advances by Bryant in controlling
comfort levels. This factory-installed option significantly
improves the dehumidification capability of the rooftop unit and
helps control humidity levels in the building.
This option provides increased dehumidification by cooling the
hot liquid refrigerant leaving the condenser coil. The hot gas
reheat package consists of a subcooling coil located on the
leaving-air side of the evaporator coil. The location of this coil in
the indoor airstream enhances the latent capacity of the units
by as much as 40%. Many buildings suffer from humidity damage or poor indoor air quality due to humid conditions. The
improved latent capacity provided by the hot gas reheat option
reduces the building’s humidity, eliminating potential property
damage and making the space more comfortable.
The hot gas reheat option is the ideal IAQ option for hot and
humid regions. The operation of the hot gas reheat package
can be controlled by a field-installed, wall mounted humidistat
or Thermidistat™ device. The circuit activates only when
needed (using the accessory humidistat) as opposed to some
dehumidification systems that operate continuously. The humidistat can be set for any humidity level between 20% and 80%
relative humidity. The Thermidistat device can be set for any
humidity level between 50% and 90% relative humidity.

INDOOR-AIR QUALITY (IAQ) BEGINS WITH BRYANT ROOFTOPS — Sloped condensate pans minimize biological growth in
rooftop units in accordance with ASHRAE (American Society of
Heating, Refrigeration and Air Conditioning Engineers)
Standard 62. Two-inch filters with optional dirty filter indicator
switch provide for greater particle reduction in the return air.
The face-split evaporator coils improve the dehumidification
capability of standard units, maximize building humidity control.
Optional proportional reacting CO2 sensor is available with the
EconoMi$er IV outdoor air damper option/accessory to aid the
IAQ benefits.
PERFECT HUMIDITY™ ADAPTIVE DEHUMIDIFICATION
SYSTEM (581C036-060 and 581B036-150 only) — Bryant’s
Perfect Humidity adaptive dehumidification system is an allinclusive factory-installed option that can be ordered with any
581B rooftop unit to meet the demand for providing a flexible
and high performing solution to accommodate all of these
design related issues. This system expands the envelope of
operation of 581B rooftop products to provide unprecedented
flexibility to meet year-round comfort conditions. The Perfect
Humidity adaptive dehumidification system has the industry’s
only dual dehumidification mode setting. The Perfect Humidity
system includes two new modes of operation. The 581B and
581C rooftop coupled with the Perfect Humidity system is capable of operating in normal design cooling mode, subcooling
mode, and hot gas reheat mode. Normal Design Cooling mode
is when the unit will operate under its normal sequence of operation by cycling compressors to maintain comfort conditions.
Subcooling mode will operate to satisfy part load type conditions when the space requires combined sensible and a higher
proportion of latent load control. Hot Gas Reheat mode will

4

MODEL NUMBER NOMENCLATURE
580F036-151 3 to 121/2 Tons

NOTE: The example model number 580FEV090180KV designates a 7 1/2 ton 460-3-60 volt gas/electric rooftop unit with 180,000
Btuh natural gas heat, EconoMi$er IV and Alternate Drive.

MODEL NUMBER NOMENCLATURE
580F036-151 (Stainless Steel and Low NOx) 3 to 121/2 Tons

NOTE: The example model number 580FEV060120NKV designates a 5 ton 460-3-60 volt low NOx gas/electric rooftop unit with
120,000 Btuh natural gas heat, EconoMi$er IV and Alternate Drive.

5

MODEL NUMBER NOMENCLATURE
581B036-150 (Standard) 3 to 121/2 Tons

NOTE: The example model number 581BEV090180HQ designates a 7 1/2 ton 460-3-60 volt gas/electric rooftop unit with 180,000
Btuh natural gas heat and EconoMi$er IV.

MODEL NUMBER NOMENCLATURE
581B036-150 (Stainless Steel and Low NOx) — 3 to 121/2 Tons

NOTE: The example model number 581BEV0601202HQ designates a 5 ton 460-3-60 volt Low NOx gas/electric rooftop unit with
120,000 Btuh natural gas heat and EconoMi$er IV.

6

MODEL NUMBER NOMENCLATURE
581C024-060 (Standard Efficiency) — 2 to 5 Tons

NOTE: The example model number 581CEV060150HQ designates a 5 ton 460-3-60 volt gas/electric rooftop unit with 150,000
Btuh natural gas heat and EconoMi$er IV.

MODEL NUMBER NOMENCLATURE
581C024-060 (Stainless Steel and Low NOx) — 2 to 5 Tons

NOTE: The example model number 581CEV060120NHQ designates a 5 ton 460-3-60 volt Low NOx gas/electric rooftop unit with
120,000 Btuh natural gas heat and EconoMi$er IV.

7

MODEL NUMBER NOMENCLATURE — 579F180-300
579F

E

V

180

230

––

C

B
Fan Drive Option
(Standard Motor)
B – Standard Low-Medium
Fan Drive Static
Capability
D – Alternate High Fan
Drive Static Capability

579F – Single-Package
Standard-Efficiency Gas/Electric Unit

Voltage Designation
E – 460-3-60
P – 208/230-3-60
T – 575-3-60

Factory-Installed Outdoor-Air
and Other Upgrade Options
C – EconoMi$er IV
H – Manual Outdoor-Air Damper

Fuel and Control Type
V – Natural Gas/Electric Relight Pilot

Design Series Code
Nominal Tons
180 – 15 Tons
216 – 18 Tons
240 – 20 Tons
300 – 25 Tons

Gas Heat Input (Btuh)
230 – 230,000
275 – 275,000
300 – 300,000
360 – 360,000

a48-8192

NOTES:
1. All indoor-fan motors 5 hp and larger meet the minimum efficiency requirements as established
by the Energy Policy Act of 1992 (EPACT) effective October 24, 1997.
2. The example model number 579FEV180230--CB designates a 15-ton 460-3-60 volt gas/
electric rooftop unit with 230,000 Btuh natural gas heat input, EconoMi$er IV, and the standard
low-medium fan drive static capability.

MODEL NUMBER NOMENCLATURE
580F180-300
580F

E

V

180

275

––

C

B
Fan Drive Position
(Standard Motor)
B – Standard Low-Medium
Fan Drive Static
Capability
D – Alternate High Fan
Drive Static Capability

580F – Single Package
Medium-Efficiency Gas/Electric Unit

Voltage Designation
E – 460-3-60
P – 208/230-3-60
T – 575-3-60

Factory-Installed Outdoor-Air
and Other Upgrade Options
C – EconoMi$er IV
H – Manual Outdoor-Air Damper

Fuel and Control Type
V – Natural Gas/Electric Relight Pilot

Design Series Change
Nominal Tons
180 – 15 Tons
210 – 18 Tons
240 – 20 Tons
300 – 25 Tons

Gas Heat Input (Btuh)
275 – 275,000
300 – 300,000
360 – 360,000

NOTES:
1. All indoor-fan motors 5 hp and larger meet the minimum efficiency requirements as established
by the Energy Policy Act of 1992 (EPACT) effective October 24, 1997.
2. The example model number 580FEV180275--CB designates a 15-ton 460-3-60 volt gas/
electric rooftop unit with 275,000 Btuh natural gas heat input, EconoMi$er IV, and the standard low-medium fan drive static capability.

8

a48-8193

MODEL NUMBER NOMENCLATURE
581A155, 180, 181 — 13 to 15 Tons
581A

E

V

180

230

––

C

B
Fan Drive Position
(Standard Motor)
B – Standard Low-Medium
Fan Drive Static
Capability
D – Alternate High Fan
Drive Static Capability

581A – Single Package
High Efficiency Gas/Electric Unit

Voltage Designation
E – 460-3-60
P – 208/230-3-60
T – 575-3-60

Factory-Installed Outdoor-Air
and Other Upgrade Options
C – EconoMi$er IV
H – Manual Outdoor-Air Damper

Fuel and Control Type
V – Natural Gas/Electric Relight Pilot

Design Series Change
Gas Heat Input (Btuh)
230 – 230,000
275 – 275,000
300 – 300,000
360 – 360,000

Nominal Tons
155 – 13 Tons
180 – 15 Tons
181 – 15 Tons with hot gas reheat*
*See pages 212 and 213 for cooling capacity tables for 581A181 unit. For all other data,
contact application engineering.
NOTE: All indoor-fan motors 5 hp and larger meet the minimum efficiency requirements
as established by the Energy Policy Act of 1992 (EPACT) effective October 24, 1997.
The example model number: 581AEV180230--CB designates a 15 ton 460-3-60 high
efficiency gas/electric rooftop unit with 230,000 Btuh natural gas input, EconoMi$er IV
and standard, low-medium fan drive static capability.

MODEL NUMBER NOMENCLATURE
581A210-300 — 18 to 25 Tons

9

a48-8194

ARI* CAPACITY RATINGS — 580F036-151
UNIT 580F

NOMINAL
TONS

STANDARD
CFM

036
048
060

3
4
5

1200
1600
2000

NET COOLING
CAPACITY
(Btuh)
35,000
47,000
57,000

NET COOLING
CAPACITY
(Btuh)
72,000
71,000
85,000

SEER†

TOTAL
kW

Belt Drive

Direct Drive

4.0
5.3
6.7

10.0
10.0
10.0

9.7
9.7
9.7

TOTAL
kW

EER

8.0
7.0
9.6

9.0
10.1
8.9

SOUND
RATING
(dB)
81
80
87

SOUND
RATING
(dB)
81
81
81

UNIT
580F

NOMINAL
TONS

072
073
090

6
6
71/2

091

71/2

88,000

8.7

10.1

82

10.5

103
120
121
150

81/2
10
10
121/2

100,000
117,000
114,000
144,000

9.9
13.0
11.3
16.0

10.1
9.0
10.1
9.0

82
88
84
87

10.4
9.40
11.0
9.20

151

121/2

136,000

14.3

9.5

86

9.70

dB
db
EER
IPLV
SEER
wb

—
—
—
—
—
—

LEGEND
Sound Levels (decibels)
Dry Bulb
Energy Efficiency Ratio
Integrated Part-Load Values
Seasonal Energy Efficiency Ratio
Wet Bulb

3.

4.

*Air Conditioning and Refrigeration Institute.
†Applies only to units with capacity of 65,000 Btuh or less.
**The IPLV applies only to two-stage cooling units.
NOTES:
1. Rated in accordance with ARI Standards 210/240 (for sizes 036120) or 360, (for size 150 and 151) and 270.
2. ARI ratings are net values, reflecting the effects of circulating fan
heat.

IPLV
**
**
9.40

Ratings are based on:
Cooling Standard: 80 F db, 67 F wb indoor entering-air temperature and 95 F db air entering outdoor unit.
IPLV Standard: 80 F db, 67 F wb indoor entering-air temperature
and 80 F db outdoor entering-air temperature.
All 580F036, 048, 060, 073, 091, 103, 121, 151 units are in compliance with ASHRAE 90.1-1999 Energy Standard for minimum
SEER and EER requirements. Refer to state and local codes or
visit the following website: http://bcap-energy.org to determine if
compliance with this standard pertains to a given geographical
area of the United States.

HEATING CAPACITIES AND EFFICIENCIES (Standard-Efficiency Units) — 580F036-151
208/230-1-60 — SINGLE-STAGE GAS HEAT
UNIT
580F
036074
036115
048074
048115
048150
060074
060115
060150

INPUT
CAPACITY
74,000
115,000
74,000
115,000
150,000
74,000
115,000
150,000

OUTPUT
CAPACITY
57,000
89,000
57,000
91,000
118,000
57,000
91,000
118,000

TEMPERATURE
RISE (°F)
25-55
55-85
25-55
35-65
50-80
25-55
35-65
50-80

MINIMUM HEATING
AIRFLOW (CFM)
1004
1002
1004
1327
1396
1004
1327
1314

AFUE (%)
80
80
80
80
80
80
80
80

EFFICIENCY
Steady State (%)
80
80
80
80
80
80
80
80

AFUE (%)
80
80
80
80
80
80
80
80

EFFICIENCY
Steady State (%)
80
80
80
80
80
80
80
80

208/230-1-60 — SINGLE-STAGE GAS HEAT — LOW NOx
UNIT
580F
036060N
036090N
048060N
048090N
048120N
060060N
060090N
060120N

INPUT
CAPACITY
60,000
90,000
60,000
90,000
120,000
60,000
90,000
120,000

OUTPUT
CAPACITY
49,000
73,000
49,000
73,000
98,000
49,000
73,000
98,000

TEMPERATURE
RISE (°F)
20-50
30-60
20-50
30-60
40-70
20-50
30-60
40-70

10

MINIMUM HEATING
AIRFLOW (CFM)
910
1130
910
1130
1300
910
1130
1300

ARI* CAPACITY RATINGS (cont)
HEATING CAPACITIES AND EFFICIENCIES (Standard Efficiency Units) — 580F036-151 (cont)
208/230/460-3-60 — SINGLE-STAGE GAS HEAT — LOW NOx
UNIT
580F
036060N
036090N
048060N
048090N
048120N
060060N
060090N
060120N

INPUT
CAPACITY
60,000
90,000
60,000
90,000
120,000
60,000
90,000
120,000

OUTPUT
CAPACITY
49,000
73,000
49,000
73,000
98,000
47,000
73,000
98,000

TEMPERATURE
RISE (°F)
20-50
30-60
20-50
30-60
40-70
20-50
30-60
40-70

MINIMUM HEATING
AIRFLOW (CFM)
910
1130
910
1130
1300
910
1130
1300

AFUE (%)
80
80
80
80
80
80
80
80

EFFICIENCY
Steady State (%)
80
80
80
80
80
80
80
80

208/230, 460, 575-3-60 — 2-STAGE GAS HEAT
UNIT
580F
036115
048150
060150
072150
090180
090224
120180
120224
120250
150224
150250

INPUT CAPACITY
1st Stage
2nd Stage
82,000
115,000
120,000
150,000
120,000
150,000
120,000
150,000
120,000
180,000
180,000
224,000
120,000
180,000
180,000
224,000
200,000
250,000
180,000
224,000
200,000
250,000

OUTPUT CAPACITY
1st Stage
2nd Stage
65,600
92,000
96,000
120,000
96,000
120,000
96,000
120,000
96,000
144,000
144,000
179,200
90,000
144,000
144,000
179,200
160,000
200,000
144,000
179,200
160,000
200,000

TEMPERATURE
RISE (°F)
55-85
50-80
50-80
50-80
35-65
45-75
35-65
35-65
40-70
35-65
40-70

EFFICIENCY
AFUE (%)
Steady State (%)
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80

MINIMUM HEATING
AIRFLOW (CFM)
1004
1396
1314
1390
2060
2230
2060
2510
2650
2510
2650

208/230, 460, 575-3-60 — SINGLE-STAGE GAS HEAT
UNIT
580F
036074
048074
048115
060074
060115
072074
072115
090125, 091125
103125

INPUT
CAPACITY
74,000
74,000
115,000
74,000
115,000
74,000
115,000
125,000
125,000

OUTPUT
CAPACITY
59,200
59,200
92,000
59,200
92,000
59,200
92,000
100,000
100,000

TEMPERATURE
(°F)
15-45
15-45
35-65
15-45
35-65
15-45
35-65
20-50
20-50

MINIMUM HEATING
AIRFLOW (CFM)
1220
1220
1320
1220
1320
1220
1320
1860
1860

EFFICIENCY
AFUE (%)
Steady State (%)
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80

LEGEND
AFUE — Annual Fuel Utilization Efficiency

HEATING CAPACITIES AND EFFICIENCIES (Medium-Efficiency Units) — 580F036-151
UNIT
580F
073074
073115
073150
091125
091180
091224
103125
103180
103224
121180
121224
121250
151224
151250

HEATING INPUT (Btuh)
Stage 2/Stage 1
—/ 74,000
—/115,000
150,000/120,000
—/125,000
180,000/120,000
224,000/180,000
—/125,000
180,000/120,000
224,000/180,000
180,000/120,000
224,000/180,000
250,000/200,000
224,000/180,000
250,000/200,000

OUTPUT CAPACITY
(Btuh)
59,200
92,000
120,000
100,000
144,000
179,200
100,000
144,000
179,200
144,000
179,200
200,000
179,200
200,000

TEMPERATURE
RISE (F)
25-55
35-65
50-80
20-50
35-65
45-75
20-50
35-65
45-75
35-65
35-65
40-70
35-65
40-70

11

MINIMUM HEATING
AIRFLOW (CFM)
1220
1320
1390
1860
2060
2180
1860
2060
2180
2060
2510
2650
2510
2650

AFUE
(%)
80.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0

STEADY-STATE
EFFICIENCY (%)
80.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0
80.0

ARI* CAPACITY RATINGS — 581B036-150
UNIT
581B
036
048
060
072
090
102
120
150

NOMINAL
TONS
3
4
5
6
71/2
81/2
10
121/2

COOLING
(Btuh)
36,000
46,000
61,000
73,000
90,000
103,000
120,000
138,000

TOTAL
kW
3.21
4.25
5.55
6.70
8.18
8.90
10.91
14.40

SEER†

EER

13.0
13.0
13.0
—
—
—
—
—

11.20
11.05
11.00
11.00
11.00
11.60
11.00
9.6

SOUND RATING
dB
76
76
80
80
82
82
84
86

IPLV
**
**
**
**
11.6
12.8
11.4
10.3

LEGEND
EER — Energy Efficiency Ratio
IPLV — Integrated Part-Load Value
SEER — Seasonal Energy Efficiency Ratio
*Air-Conditioning & Refrigeration Institute.
†Applies only to units with capacity of 65,000 Btuh or less.
**The IPLV is not applicable to single-compressor units.
Sizes 036-120
Only

NOTES:
1. Rated in accordance with ARI Standard 210/240 (036-120 units) or
360 (150 units) and 270 (036-150 units).
2. Ratings are net values, reflecting the effects of circulating fan heat.
Ratings are based on:
Cooling Standard: 80 F db, 67 wb indoor entering-air temperature
and 95 F db outdoor entering-air temperature.
IPLV Standard: 80 F db, 67 F wb indoor entering-air temperature
and 80 F db outdoor entering-air temperature.

Sizes 150
Only

3. All 581C024-060 and 581B036-150 units are in compliance with
ASHRAE 90.1-1999 Energy Standard for minimum SEER and EER
requirements. Refer to state and local codes or visit the following
website: http://bcap-energy.org to determine if compliance with this
standard pertains to a given geographical area of the United States.
4. All 581C024-060 and 581B036-120 units are Energy Star certified.

HEATING CAPACITIES AND EFFICIENCIES — 581B036-150
208/230-1-60 — SINGLE-STAGE GAS HEAT
UNIT
581B

INPUT CAPACITY

OUTPUT CAPACITY

TEMPERATURE
RISE (°F)

MINIMUM HEATING
AIRFLOW (CFM)

036072
036115
048072
048115
048150
060072
060115
060150

72,000
115,000
72,000
115,000
150,000
72,000
115,000
150,000

58,000
90,000
58,000
90,000
118,000
58,000
92,000
118,000

25-55
55-85
25-55
35-65
50-80
25-55
35-65
50-80

1004
1002
1004
1320
1396
1004
1327
1314

EFFICIENCY
AFUE (%)
Steady State (%)
82.8
82.0
80.0
80.0
82.8
82.0
81.0
81.0
80.4
80.0
82.8
82.0
81.0
81.0
80.4
80.0

LEGEND
AFUE — Annual Fuel Utilization Efficiency.
208/230-1-60 — SINGLE-STAGE GAS HEAT — LOW NOx
UNIT
581B

INPUT CAPACITY

OUTPUT CAPACITY

TEMPERATURE
RISE (°F)

MINIMUM HEATING
AIRFLOW (CFM)

036060N
036090N
048060N
048090N
048120N
060060N
060090N
060120N

60,000
90,000
60,000
90,000
120,000
60,000
90,000
120,000

50,000
74,000
50,000
74,000
101,000
50,000
74,000
101,000

20-50
30-60
20-50
30-60
40-70
20-50
30-60
40-70

930
1150
930
1150
1340
930
1150
1340

LEGEND
AFUE — Annual Fuel Utilization Efficiency.

12

EFFICIENCY
AFUE (%)
Steady State (%)
80.2
81.2
81.0
81.4
80.2
81.2
81.0
81.4
80.7
82.4
80.2
81.2
81.0
81.4
80.7
82.4

ARI* CAPACITY RATINGS (cont)
HEATING CAPACITIES AND EFFICIENCIES — 581B036-150(cont)
208/230/460-3-60 — SINGLE-STAGE GAS HEAT — LOW NOx
UNIT
581B

INPUT CAPACITY

OUTPUT CAPACITY

TEMPERATURE
RISE (°F)

MINIMUM HEATING
AIRFLOW (CFM)

036060N
036090N
048060N
048090N
048120N
060060N
060090N
060120N

60,000
90,000
60,000
90,000
120,000
60,000
90,000
120,000

50,000
74,000
50,000
74,000
101,000
50,000
74,000
101,000

20-50
30-60
20-50
30-60
40-70
20-50
30-60
40-70

930
1150
930
1150
1340
930
1150
1340

EFFICIENCY
AFUE (%)
Steady State (%)
80.2
81.2
81.0
81.4
80.2
81.2
81.0
81.4
80.7
82.4
80.2
81.2
81.0
81.4
80.7
82.4

208/230/460-3-60 — 2-STAGE GAS HEAT
INPUT CAPACITY

OUTPUT CAPACITY

UNIT
581B

1st Stage

2nd Stage

1st Stage

2nd Stage

036072
036115
048072
048115
048150
060072
060115
060150
072072
072115
072150
090125
090180
090224
102125
102180
102224
120180
120224
120250
150224
150250

50,000
82,000
50,000
82,000
120,000
50,000
82,000
120,000
50,000
82,000
120,000
90,000
120,000
180,000
90,000
120,000
180,000
120,000
180,000
200,000
180,000
200,000

72,000
115,000
72,000
115,000
150,000
72,000
115,000
150,000
72,000
115,000
150,000
125,000
180,000
224,000
125,000
180,000
224,000
180,000
224,000
250,000
224,000
250,000

41,000
65,600
41,000
66,420
96,000
41,000
66,420
96,000
41,000
66,420
96,000
73,800
98,400
147,600
73,800
98,400
147,600
98,400
147,600
160,000
147,600
160,000

59,040
93,150
59,040
93,150
120,000
59,040
93,150
120,000
59,040
93,150
120,000
102,500
147,600
183,680
102,500
147,600
183,680
147,600
183,680
200,000
183,680
200,000

TEMPERATUR
E
RISE (°F)
25-55
55-85
25-55
35-65
50-80
25-55
35-65
50-80
25-55
35-65
50-80
20-50
35-65
45-75
20-50
35-65
45-75
35-65
35-65
40-70
35-65
40-70

LEGEND
AFUE — Annual Fuel Utilization Efficiency
NOTE: Capacities for stainless steel heat exchanger units are the same as standard units.

13

MINIMUM
HEATING
AIRFLOW (CFM)
1004
1002
1004
1330
1390
1004
1330
1370
1220
1330
1390
1900
1440
2230
1900
1440
2230
1440
2570
2650
2570
2650

EFFICIENCY
AFUE (%)

Steady State (%)

82.8
80.0
82.8
81.0
80.4
82.8
81.0
80.4
82.0
81.0
80.0
82.0
82.0
82.0
82.0
82.0
82.0
82.0
82.0
80.0
82.0
80.0

82.0
80.0
82.0
81.0
80.0
82.0
81.0
80.0
82.0
81.0
80.0
82.0
82.0
82.0
82.0
82.0
82.0
82.0
82.0
80.0
82.0
80.0

**ARI* CAPACITY RATINGS — 581C024-060
UNIT
581C
024
036
048
060
EER
SEER

—
—

NOMINAL
TONS
2
3
4
5

COOLING
(Btuh)
24,000
36,200
46,000
59,000

TOTAL
kW
3.2
4.1
5.5
6.7

SEER

EER

14.1
14.0
14.0
14.0

12.0**
11.8**
11.7**
11.9

SOUND RATING
(decibels)
76
76
76
80

LEGEND
Energy Efficiency Ratio
Seasonal Energy Efficiency Ratio

*Air-Conditioning & Refrigeration Institute.
**ARI does not require EER ratings for unit with capacity below 65,000 Btuh. For
these units, the EER rating at ARI standard conditions is provided for information only.
NOTES:
1. Rated in accordance with ARI Standard 210-94 or 360-93.
2. Ratings are net values, reflecting the effects of circulating fan heat.
3. Ratings are based on:
Cooling Standard: 80 F db, 67 wb indoor entering-air temperature and 95 F
db outdoor entering-air temperature.
IPLV Standard: 80 F db, 67 F wb indoor entering-air temperature and 80 F
db outdoor entering-air temperature.

4. All 581C024-060 units are in compliance with ASHRAE 90.1 2001, 2004
Energy Standard for minimum SEER and EER requirements. Refer to state
and local codes or visit the following website: http://bcap-energy.org to
determine if compliance with this standard pertains to a given geographical
area of the United States.

HEATING CAPACITIES AND EFFICIENCIES — 581C024-060
208/230-1-60 — SINGLE-STAGE GAS HEAT
UNIT
581C
024050

INPUT CAPACITY
2nd
1st Stage
Stage
50,000
—

OUTPUT CAPACITY

TEMPERATURE

MINIMUM HEATING
AIRFLOW (CFM)

1st Stage

2nd Stage

RISE (°F)

EFFICIENCY
Steady State
AFUE (%)
(%)
81.00
81

40,500

—

25-65

575

036072

72,000

—

59,040

—

25-55

1004

82.80

82

036115

115,000

—

92,000

—

55-85

1002

80.00

80

048072

72,000

—

58,000

—

25-55

1004

82.80

82

048115

115,000

—

92,000

—

35-65

1320

81.00

81

048150

150,000

—

118,000

—

50-80

1396

80.40

80

060072

72,000

—

58,000

—

25-55

1004

82.80

82

060115

115,000

—

92,000

—

35-65

1327

81.00

81

060150

150,000

—

118,000

—

50-80

1314

80.40

80

208/230-1-60 — SINGLE-STAGE GAS HEAT — LOW NOx
TEMPERATURE

MINIMUM HEATING

581C

UNIT

1st Stage

INPUT CAPACITY
2nd Stage

1st Stage

OUTPUT CAPACITY
2nd Stage

RISE (°F)

AIRFLOW (CFM)

AFUE (%)

EFFICIENCY
Steady State (%)

024050N

50,000

—

40,500

—

25-65

575

81.00

81

036060N

60,000

—

50,000

—

20-50

930

80.20

81

036090N

90,000

—

74,000

—

30-60

1150

81.00

81

048060N

60,000

—

50,000

—

20-50

930

80.20

81

048090N

90,000

—

74,000

—

30-60

1150

81.00

81

048120N

120,000

—

101,000

—

40-70

1340

80.70

82

060060N

60,000

—

50,000

—

20-50

930

80.20

81

060090N

90,000

—

74,000

—

30-60

1150

81.00

81

060120N

120,000

—

101,000

—

40-70

1340

80.70

82

AFUE — Annual Fuel Utilization Efficiency
NOTE: Capacities for stainless steel heat exchanger units (S/R/T) are the same
as standard units (D/E/F).

14

HEATING CAPACITIES AND EFFICIENCIES — 581C024-060 (cont)
208/230/460-3-60 — SINGLE-STAGE GAS HEAT — LOW NOx
TEMPERATURE

MINIMUM HEATING

581C

UNIT

1st Stage

INPUT CAPACITY
2nd Stage

1st Stage

OUTPUT CAPACITY
2nd Stage

RISE (°F)

AIRFLOW (CFM)

AFUE (%)

EFFICIENCY

036060N

60,000

—

50,000

—

20-50

930

80.20

81

036090N

90,000

—

74,000

—

30-60

1150

81.00

81

048060N

60,000

—

50,000

—

20-50

930

80.20

81

048090N

90,000

—

74,000

—

30-60

1150

81.00

81

048120N

120,000

—

101,000

—

40-70

1340

80.70

82

060060N

60,000

—

50,000

—

20-50

930

80.20

81

060090N

90,000

—

74,000

—

30-60

1150

81.00

81

060120N

120,000

—

101,000

—

40-70

1340

80.70

82

Steady State (%)

208/230/460/575-3-60 — 2-STAGE GAS HEAT
UNIT

INPUT CAPACITY

581C

1st Stage

036072

50,000

72,000

OUTPUT CAPACITY
1st
2nd Stage
Stage
41,000
59,040

25-55

1004

82.80

82

036115

82,000

115,000

65,600

93,150

55-85

1002

80.00

80

048072

50,000

72,000

41,000

59,040

25-55

1094

82.80

82

2nd Stage

TEMPERATURE

MINIMUM HEATING

RISE (°F)

AIRFLOW (CFM)

EFFICIENCY
AFUE (%)

Steady State (%)

048115

82,000

115,000

66,420

93,150

35-65

1330

81.00

81

048150

120,000

150,000

96,000

120,000

50-80

1390

80.40

80

060072

50,000

72,000

41,000

59,040

25-55

1004

82.80

82

060115

82,000

115,000

66,420

93,150

35-65

1330

81.00

81

060150

120,000

150,000

96,000

120,000

50-80

1370

80.40

80

AFUE — Annual Fuel Utilization Efficiency
NOTE: Capacities for stainless steel heat exchanger units (S/R/T) are the same
as standard units (D/E/F).

15

ARI* CAPACITY RATINGS — 579F180-300
LOW HEAT UNITS
UNIT
579F

NOMINAL
TONS

180
216
240
300

15
18
20
25

NET COOLING
CAPACITY
(Btuh)
174,000
188,000
220,000
268,000

TOTAL
WATTS

EER

20,128
21,619
25,513
31,068

8.6
8.7
8.6
8.6

SOUND
RATING
(dB)
88
88
94
94

IPLV
9.3
9.5
8.7
9.2

HIGH HEAT UNITS

dB
db
EER
IPLV
wb

UNIT
579F

NOMINAL
TONS

180
216
240
300

15
18
20
25

—
—
—
—
—

NET COOLING
CAPACITY
(Btuh)
174,000
186,000
218,000
268,000

TOTAL
WATTS

EER

20,154
21,798
25,719
31,600

8.6
8.5
8.5
8.5

SOUND
RATING
(dB)
88
88
94
94

IPLV
9.3
9.3
8.5
8.9

LEGEND
Sound Levels (decibels)
Dry Bulb
Energy Efficiency Ratio
Integrated Part-Load Values
Wet Bulb

*Air Conditioning and Refrigeration Institute.
NOTES:
1. Rated in accordance with ARI Standards 360 and 270.
2. The 579F300 is beyond the scope of the ARI Certification
Program.
3. ARI ratings are net values, reflecting the effects of circulating fan
heat.

4. Ratings are based on:
Cooling Standard: 80 F db, 67 F wb indoor entering-air temperature and 95 F db air entering outdoor unit.
IPLV Standard: 80 F db, 67 F wb indoor entering-air temperature
and 80 F db outdoor entering-air temperature.

HEATING CAPACITIES AND EFFICIENCIES — 579F180-300
UNIT
579F
180230
180300
216275
216360
240275
240360
300275
300360

HEATING INPUT
(Btuh)
Stage 2/Stage 1*
230,000/172,000
300,000/225,000
275,000/206,000
360,000/270,000
275,000/206,000
360,000/270,000
275,000/206,000
360,000/270,000

OUTPUT CAPACITY
(Btuh)

TEMPERATURE
RISE (F)

STEADY-STATE
EFFICIENCY (%)

MINIMUM
HEATING CFM

186,000
243,000
223,000
292,000
223,000
292,000
223,000
292,000

15-45
30-60
15-45
20-50
15-45
20-50
15-45
20-50

81.0
81.0
81.0
81.0
81.0
81.0
81.0
81.0

3830
3750
4580
5400
4580
5400
4580
5400

*All units are 2-stage heat.
NOTE: Minimum allowable temperature of mixed-air entering the heat exchanger during first-stage
heating is 45 F. There is no minimum mixed-air temperature limitation during second-stage heating.
For entering-air temperatures below 45 F both stages of heat must be energized together to minimize
condensation issues and ensure proper unit operation. Mixed air below 35 F optional stainless steel
heat exchangers are recommended.

AIR QUANTITY LIMITS
UNIT 579F
180
216
240
300

MINIMUM CFM
4500
5400
6000
7000

LOW OUTDOOR TEMPERATURE
OPERATING LIMITS (F)
MAXIMUM CFM
7,500
9,000
10,000
11,250

UNITS
TEMPERATURE
All
40
180 and 216 with Low Ambient Kit
10
240 and 300 with Low Ambient Kit
25
All with Motormaster® Head Pressure Control
–20

16

ARI* CAPACITY RATINGS — 580F180-300
UNIT SIZE
580F
(Low Heat)
180
210
240
300
UNIT SIZE
580F
(High Heat)
180
210
240
300
Bels
db
EER
IPLV
wb

—
—
—
—
—

NOMINAL
TONS

NET COOLING
CAPACITY (Btuh)

TOTAL
WATTS

EER

15
18
20
25

176,000
202,000
236,000
278,000

17,064
21,166
24,832
28,535

9.5
9.7
9.5
9.7

NOMINAL
TONS

NET COOLING
CAPACITY (Btuh)

TOTAL
WATTS

EER

15
18
20
25

176,000
202,000
236,000
277,000

17,179
21,301
24,832
29,067

9.5
9.7
9.5
9.5

SOUND
RATING
(dB)
88
88
94
94
SOUND
RATING
(dB)
88
88
94
94

IPLV
9.5
10.2
10.1
10.4

IPLV
9.5
10.1
10.0
10.0

LEGEND
Sound Levels (1 bel = 10 decibels)
Dry Bulb
Energy Efficiency Ratio
Integrated Part-Load Values
Wet Bulb

*Air Conditioning and Refrigeration Institute.
NOTES:
1. Rated in accordance with ARI Standards 360 and 270.
2. ARI ratings are net values, reflecting the effects of circulating fan
heat.
3. Ratings are based on:
Cooling Standard: 80 F db, 67 F wb indoor entering-air temperature and 95 F db air entering outdoor unit.
IPLV Standard: 80 F db, 67 F wb indoor entering-air temperature
and 80 F db outdoor entering-air temperature.

4. All 580F180-300 units are in compliance with ASHRAE 90.11999 Energy Standard for minimum SEER and EER requirements. Refer to state and local codes or visit the following website: http://bcap-energy.org to determine if compliance with this
standard pertains to a given geographical area of the United
States.

HEATING CAPACITIES AND EFFICIENCIES — 580F180-300
HEATING INPUT
(Btuh)
Stage 2/Stage 1*
275,000/206,000
360,000/270,000
275,000/206,000
360,000/270,000
275,000/206,000
360,000/270,000
275,000/206,000
360,000/270,000

UNIT
580F
180275
180360
210275
210360
240275
240360
300275
300360

OUTPUT CAPACITY
(Btuh)

TEMPERATURE
RISE (F)

STEADY-STATE
EFFICIENCY (%)

MINIMUM
HEATING CFM

223,000
292,000
223,000
292,000
223,000
292,000
223,000
292,000

15-45
20-50
15-45
20-50
15-45
20-50
15-45
20-50

81.0
81.0
81.0
81.0
81.0
81.0
81.0
81.0

3750
3830
4580
5400
4580
5400
4580
5400

*All units are 2-stage heat.
NOTE: Minimum allowable temperature of mixed-air entering the heat exchanger during first-stage
heating is 45 F. There is no minimum mixed-air temperature limitation during second-stage heating.
For entering-air temperatures below 45 F both stages of heat must be energized together to minimize
condensation issues and ensure proper unit operation. Mixed air below 35 F optional stainless steel
heat exchangers are recommended.

AIR QUANTITY LIMITS (Cooling)
UNIT 580F
180
210
240
300

MINIMUM CFM
4500
5400
6000
7000

COOLING OPERATION
LOW OUTDOOR TEMPERATURE OPERATING LIMITS (F)

MAXIMUM CFM
7,500
9,000
10,000
11,250

UNITS
TEMPERATURE
All — Standard Unit
40
180 and 210 with Low Ambient Kit
10
240 and 300 with Low Ambient Kit
25
All with Motormaster® Head Pressure Control
–20

17

ARI* CAPACITY RATINGS — 581A155,180
LOW HEAT UNITS
UNIT
581A

NOMINAL
TONS

155230
180275

13
15

NET COOLING
CAPACITY
(Btuh)
134,000
180,000

TOTAL
WATTS

EER

12,209
17,064

10.60
10.50

SOUND
RATING
(dB)
88
88

IPLV
11.4
11.4

HIGH HEAT UNITS

dB
db
EER
IPLV
wb

UNIT
581A

NOMINAL
TONS

155300
180360

13
15

—
—
—
—
—

NET COOLING
CAPACITY
(Btuh)
134,000
180,000

TOTAL
WATTS

EER

12,218
17,179

10.60
10.50

SOUND
RATING
(dB)
88
88

IPLV
11.4
11.1

IPLV Standard: 80 F db, 67 F wb indoor entering-air temperature
and 80 F db outdoor entering-air temperature.

LEGEND
Sound Levels (decibels)
Dry Bulb
Energy Efficiency Ratio
Integrated Part-Load Values
Wet Bulb

*Air Conditioning and Refrigeration Institute.
NOTES:
1. Rated in accordance with ARI Standards 360 and 270.
2. ARI ratings are net values, reflecting the effects of circulating fan
heat.
3. Ratings are based on:
Cooling Standard: 80 F db, 67 F wb indoor entering-air temperature and 95 F db air entering outdoor unit.

4.

All 581A155, 180 units are in compliance with ASHRAE 90.11999 Energy Standard for minimum EER requirements. Refer to
state and local codes or visit the following website: http://bcapenergy.org to determine if compliance with this standard pertains
to a given geographical area of the United States.

HEATING CAPACITIES AND EFFICIENCIES — 581A155-180
HEATING
INPUT (Btuh)
Stage 2/Stage 1*
230,000/172,000
300,000/225,000
275,000/206,000
360,000/270,000

UNIT 581A
155230
155300
180275
180360

OUTPUT
CAPACITY
(Btuh)
186,000
243,000
223,000
292,000

AGA STEADY
STATE
EFFICIENCY (%)
81.0
81.0
81.0
81.0

TEMPERATURE
RISE (F)
15-45
30-60
15-45
20-50

MINIMUM HEATING
CFM†
3750
3830
4580
5400

*All units are 2-stage heat.
†Minimum heating cfm must be maintained to ensure proper heating operation.
NOTE: Minimum allowable temperature of mixed air entering the heat exchanger during first stage
heating is 45 F. There is no minimum mixed-air limitation during second-stage heating. For entering
air temperatures below 45 F, both stages of heat must be energized together to minimize condensation issues and ensure proper unit operation. Mixed air below 35 F optional stainless steel heat
exchangers are recommended.

LOW OUTDOOR AIR TEMPERATURE
COOLING OPERATION LIMITS
UNIT SIZE
581A
155, 180

Standard
Unit
40

AIR QUANTITY LIMITS (Cooling)
UNIT 581A
155
180

TEMPERATURE LIMIT (F)
Unit With
Unit With
Motormaster®
Low Ambient Kit
Control
20
–20

18

MINIMUM CFM
3900
4500

MAXIMUM CFM
6500
7500

ARI* CAPACITY RATINGS — 581A210-300
UNIT
581A
210
240
300**
db
EER
IPLV
wb

—
—
—
—

NOMINAL
TONS
18
20
25

CFM
5,500
6,000
7,500

NET COOLING
CAPACITY (Btuh)
200,000
234,000
278,000

TOTAL
kW
18.5
21.7
27.8

EER
10.8
10.8
10.0

SOUND RATING
(dB)
81.7
81.7
84.6

IPLV†
12.0
11.9
10.9

3. Ratings are based on:
Cooling Standard: 80 F db, 67 F wb indoor entering-air temperature and
95 F db air entering outdoor unit.
IPLV Standard: 80 F db, 67 F wb indoor entering-air temperature and 80 F
db outdoor entering-air temperature.
4. All 581A210-300 units are in compliance with ASHRAE 90.1 2001 Energy
Standard for minimum EER requirements. Refer to state and local codes or
visit the following website: http://bcap-energy.org to determine if compliance
with this standard pertains to a given geographical area of the United States.

LEGEND
Dry Bulb
Energy Efficiency Ratio
Integrated Part-Load Values
Wet Bulb

*Air Conditioning and Refrigeration Institute.
†IPLV values are calculated based on control configuration T.CTL = 2
(2 Stage Y1).
**Size 300 unit is not listed with ARI, but is tested to ARI standards.
NOTES:
1. Rated in accordance with ARI Standards 360-93 and 270-95.
2. ARI ratings are net values, reflecting the effects of circulating fan heat.

HEATING CAPACITIES AND EFFICIENCIES — 581A210-300
VERTICAL SUPPLY — NATURAL GAS
UNIT
581A
210250
210365
210400
240250
240365
240400
300250
300365
300400

HEATING INPUT
(Btuh) Stage 2/Stage 1
250,000/199,000
365,000/281,000
400,000/317,000
250,000/199,000
365,000/281,000
400,000/317,000
250,000/199,000
365,000/281,000
400,000/317,000

OUTPUT CAPACITY
(Btuh)
205,000
296,000
328,000
205,000
296,000
328,000
205,000
296,000
328,000

TEMPERATURE
RISE (F)
15-45
25-55
25-55
15-45
25-55
25-55
15-45
25-55
25-55

STEADY-STATE
EFFICIENCY %
82%
81%
82%
82%
81%
82%
82%
81%
82%

MINIMUM
HEATING CFM
4218
4977
5522
4218
4977
5522
4218
4977
5522

STEADY-STATE
EFFICIENCY %
82%
81%
82%
82%
81%
82%
82%
81%
82%

MINIMUM
HEATING CFM
4218
4977
5522
4218
4977
5522
4218
4977*
5522*

STEADY-STATE
EFFICIENCY %
82%
81%
82%
82%
81%
82%
82%
81%
82%

MINIMUM
HEATING CFM
4218
4480
5522
4218
4480
5522
4218
4480
5522

STEADY-STATE
EFFICIENCY %
82%
81%
82%
82%
81%
82%
82%
81%
82%

MINIMUM
HEATING CFM
3807
4480
4916
3796
4480
4916
3807
4480*
4920*

NOTE: All units are 2-stage gas heat.

HORIZONTAL SUPPLY — NATURAL GAS
UNIT
581A
210250
210365
210400
240250
240365
240400
300250
300365
300400

HEATING INPUT
(Btuh) Stage 2/Stage 1
250,000/199,000
365,000/281,000
400,000/317,000
250,000/199,000
365,000/281,000
400,000/317,000
250,000/199,000
365,000/281,000
400,000/317,000

OUTPUT CAPACITY
(Btuh)
205,000
296,000
328,000
205,000
296,000
328,000
205,000
296,000
325,000

TEMPERATURE
RISE (F)
15-45
25-55
25-55
15-45
25-55
25-55
15-45
25-55
25-55

*7000 cfm minimum recommended above 1.0 in. wg external static pressure.
NOTE: All units are 2-stage gas heat.

VERTICAL SUPPLY — PROPANE
UNIT
581A
210250
210365
210400
240250
240365
240400
300250
300365
300400

HEATING INPUT
(Btuh) Stage 2/Stage 1
250,000/207,000
365,000/291,000
400,000/331,000
250,000/207,000
365,000/291,000
400,000/331,000
250,000/207,000
365,000/291,000
400,000/331,000

OUTPUT CAPACITY
(Btuh)
205,000
296,000
328,000
205,000
296,000
328,000
205,000
296,000
328,000

TEMPERATURE
RISE (F)
15-45
25-55
25-55
15-45
25-55
25-55
15-45
25-55
25-55

NOTE: All units are 2-stage gas heat.

HORIZONTAL SUPPLY — PROPANE
UNIT
581A
210250
210365
210400
240250
240365
240400
300250
300365
300400

HEATING INPUT
(Btuh) Stage 2/Stage 1
225,000/207,000
329,000/291,000
356,000/331,000
225,000/207,000
329,000/291,000
356,000/331,000
225,000/207,000
329,000/291,000
356,000/331,000

OUTPUT CAPACITY
(Btuh)
185,000
266,000
292,000
184,500
266,000
292,000
185,000
266,000
292,000

*7000 cfm minimum recommended above 1.0 in. wg external static pressure.
NOTE: All units are 2-stage gas heat.

19

TEMPERATURE
RISE (F)
15-45
25-55
25-55
15-45
25-55
25-55
15-45
25-55
25-55

OPTIONS AND ACCESSORIES
581C024-060, 581B036-150 AND 580F036-151
ITEM
100% OA Open Two-Position Damper
25% OA Open Two-Position Damper
Condenser Coil Grille
Condenser Coil Hail Guard Assembly
Convenience Outlet (Load Side)
Copper Fins Indoor and Outdoor Coil
Copper Fins Outdoor Coil
E-Coat Outdoor Coil (Aluminum)
E-Coat Outdoor Coil (Copper)
EconoMi$er IV with Controller
EconoMi$er2 (without controller)
Electronic Programmable Thermostat
Enthalpy or Differential Enthalpy Sensor
Fan/Filter Status
Flue Discharge Deflector
Flue Shield
High-Static Motor and Drive
Hinged Access Panels (581C and 581B only)
Hinged Panel Kit for Economizer
Perfect Humidity™ Dehumidification Package (581C and 581B only)
Humidistat
Indoor Air Quality (CO2) Sensor
Light Commercial Thermidistat™ Device
Low NOX (036-060)
Louvered Hail Guard
LP (Liquid Propane) Conversion Kit
Manual Outdoor-Air Damper
Motormaster® I, II, Head Pressure Control Low Ambient Kit)
Outdoor Air Enthalpy Sensor
Power Exhaust Transformer for 575 v
Power Exhaust with Barometric Relief
Pre-Coat Aluminum Fins on Outdoor Coil
Return Air CO2 Sensor (EconoMi$er IV)
Return Air Enthalpy Sensor
Return Air Temperature Sensor
Roof Curbs (Vertical and Horizontal Discharge)
Smoke Detectors, Supply/Return
Stainless Steel Heat Exchanger
Thermostats and Subbases
Thru-the-Bottom Utility Connections
Time Guard II (Compressor Cycle Delay) Control Circuit
Unit-Mounted Non-Fused Disconnect
UVC Lights
*Factory-installed.
†Field-installed.
NOTES:
1. Refer to unit price pages or contact your local representative for
accessory and option package information.
2. Some options may increase product lead times.

20

OPTION*

X
X
X
X
X
X
X

ACCESSORY†
X
X
X
X

X
X
X
X
X
X
X

X
X
X
X
X
X
X
X
X

X
X
X
X
X
X
X

X
X
X
X
X
X
X
X
X
X
X
X

X

OPTIONS AND ACCESSORIES (cont)
579F180-300, 580F180-300, AND 581A155-180
ITEM
25% Open Two-Position Damper
Barometric Relief Damper (not for use with Horizontal Adapter Curb)
Condenser Coil Hail Guard Assembly (180-240)
Convenience Outlet (Load Side)
Copper Fins Indoor and Outdoor Coil
Copper Fins Outdoor Coil
E-Coat Outdoor Coil (Aluminum)
E-Coat Outdoor Coil (Copper)
EconoMi$er IV with Controller
EconoMi$er2 (without Controller)
Electronic Programmable Thermostat
Enthalpy or Differential Enthalpy Sensor
Fan/Filter Status
High-Static Motor and Drive
Hinged Access Panels
Horizontal Adapter Curb (180-240)
Humidistat
Indoor Air Quality (CO2) Sensor
Light Commercial Thermidistat™ Device
LP (Liquid Propane) Conversion Kit
Manual Outdoor-Air Damper
Motormaster® I, V Head Pressure Control (Low Ambient Kit)
Outdoor Air Enthalpy Sensor
Power Exhaust without Barometric Relief
Pre-coat Aluminum Fins on Outdoor Coil
Return Air CO2 Sensor
Return Air Enthalpy Sensor
Return Air Temperature Sensor
Roof Curbs (Vertical and Horizontal Discharge)
Thermostats and Subbases
Time Guard II (Compressor Cycle Delay) Control Circuit
Ultraviolet Germicidal Lamps
Unit-Mounted Non-Fused Disconnect
Winter Start Time Delay
*Factory-installed.
†Field-installed.
NOTES:
1. Refer to unit price pages or contact your local representative for
accessory and option package information.
2. Some options may increase product lead times.
3. No other options are available with hot gas reheat units.

21

OPTION*

X
X
X
X
X
X

ACCESSORY†
X
X
X

X
X
X
X
X

X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X

OPTIONS AND ACCESSORIES (cont)
581A210-300
ITEM
EconoMi$er IV
Power Exhaust
Barometric Relief
Hail Guard
Horizontal Kit
Return Smoke Detector
Supply Smoke Detector
Return and Supply Smoke Detector
Non-Fused Disconnect
Non-Powered Convenience Outlet
Outdoor Air Enthalpy Sensor
Return Air Enthalpy Sensor
Return Air Temperature Sensor
Return Air CO2 Sensor
Indoor Air Quality (CO2) Room Sensor
Hot Gas Reheat (181 (15t) model available only with HGRH)
Non-Powered Convenience Outlet
Pre-Coat Condenser
E-Coat Condenser Coil
Copper Condenser Coil
Copper Evaporator Coil
E-Coat Copper Evaporator Coil
Low Range Drive
Mid-Low Range Drive
Mid-High Range Drive
High Range Drive
Roof Curb (14 in.)
Roof Curb (24 in.)
Low Heat Gas
High Heat Gas
Medium Heat Gas
Stainless Steel Heat Exchangers
Propane Kit
Drip Edge
Two-Position Damper
Phase Loss Detection
Manual Damper
Thermostat and Subbase
Hinged Access Panels

OPTION*
X
X
X
X
X
X

ACCESSORY†
X
X
X
X
X
X
X

X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X

X
X
X

*Factory-installed.
†Field-installed.
NOTES:
1. Refer to unit price pages or contact your local representative for
accessory and option package information.
2. Some options may increase product lead times.

22

X
X
X
X
X
X

OPTIONS AND ACCESSORIES (cont)

23

580F036-151

Two-Position Damper package is available as an accessory.
Both 25% or 100% outdoor air dampers are available.
Head Pressure Control (Motormaster) accessory package
maintains condensing temperature between 90 F and 110 F at
outdoor ambient temperatures down to –20 F by condenser-fan
speed modulation or condenser-fan cycling and wind baffles.
Unit-Mounted, Non-Fused Disconnect Switch provides unit
power shutoff. The switch is accessible from outside the unit,
provides power off lockout capability and is available as a
factory-installed option.
Convenience Outlet is factory-installed and internally mounted
with easily accessible 115-v female receptacle.
Compressor Cycle Delay (Time Guard II) accessory prevents
unit from restarting for minimum of 5 minutes after shutdown.
Thru-The-Bottom Utility Connectors permit electrical connections to be brought to the unit through the basepan.
Connectors are available as field-installed accessories.
Fan/Filter Status Switch accessory provides status of indoor
(evaporator) fan (ON/OFF) or filter (CLEAN/DIRTY).
Power Exhaust accessory will provide system exhaust of up to
100% of return air (vertical only). The power exhaust is a fieldinstalled accessory (separate vertical and horizontal design).
Ultraviolet Germicidal Lamps eliminate odor causing mold
and fungus that may develop in the wet area of the evaporator
section of the unit. The high output, low temperature germicidal
lamps are field installed in the evaporator section of the unit,
aimed at the evaporator coil and condensate pan.
Hinged Panel Option provides hinged access panels for the filter, compressor, evaporator fan, and control box areas. Filter
hinged panels permit tool-less entry for changing filters. Each
hinged panel is permanently attached to the rooftop unit.
Hinged panels are a factory-installed option.

Roof Curbs (Horizontal and Vertical) permit installation and
securing of ductwork to curb prior to mounting unit on the curb.
Both 14-in. and 24-in. roof curbs are available as field-installed
accessories.
EconoMi$er IV is available as a factory-installed option in
vertical supply/return configuration only for unit sizes 036-151.
Vertical or horizontal configuration is available for unit sizes
155-300. (The EconoMi$er IV is available as a field-installed
accessory for horizontal and/or vertical supply return configurations.) The EconoMi$er IV is provided with an industry standard, stand-alone, solid-state controller that is easy to configure
and troubleshoot. The EconoMi$er IV is compatible with nonDDC applications. The EconoMi$er IV is equipped with a
barometric relief damper capable of relieving up to 100% return
air (for unit sizes 036-151 only). Dry bulb outdoor-air temperature sensor is provided as standard. The return air sensor,
indoor enthalpy sensor, and outdoor enthalpy sensor are provided as field-installed accessories to provide enthalpy control,
differential enthalpy control, and differential dry bulb temperature control.
EconoMi$er IV on 579F and 581A units is used for both vertical
and horizontal return air configurations.
EconoMi$er2 is available as a blanket quote control or as a
field-installed accessory for horizontal and/or vertical supply
return configurations. The EconoMi$er2 is provided without a
controller for use with field-installed third-party controls. The
EconoMi$er2 is equipped with a barometric relief damper capable of relieving up to 100% return air. Dry bulb outdoor-air temperature sensor is provided as standard. The enthalpy,
differential temperature (adjustable), and differential enthalpy
control are provided as field-installed accessories. The
EconoMi$er2 is capable of control from a 4 to 20 mA signal
through optional 4 to 20 mA design without microprocessor
control (required for third party control interface).
Manual Outdoor-Air Damper can be preset to admit up to 50%
outdoor air for year round ventilation and is available as a fieldinstalled accessory.

580F036-151

PHYSICAL DATA — 580F036-073
UNIT SIZE 580F
NOMINAL CAPACITY (tons)
OPERATING WEIGHT (lb)
Unit
Al/Cu*
COMPRESSOR
Type
Quantity
No. Cylinders (per Circuit)
Oil (oz)
REFRIGERANT TYPE
Expansion Device
Operating Charge (lb-oz)
Circuit 1 (first stage)
Circuit 2 (second stage)
CONDENSER FAN
Nominal Cfm
Quantity...Diameter (in.)
Motor Hp...Rpm
Watts Input (Total)
CONDENSER COIL
Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR FAN
Quantity...Size (in.)
Type Drive
Nominal Cfm
Maximum Continuous Bhp
Motor Frame Size
Nominal Rpm High/Low
Fan Rpm Range

048
4

060
5

072
6

073
6

465

476

497

576

626

1
2
50

Reciprocating
1
2
50

1
2
50
R-22
Acutrol™ Metering Device

1
NA
54

4-5
—

6-6
—

3500
1...22.0
4...1100
325
1...17
8.36

Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static

Scroll

7-14
9-0
—
—
Propeller Type
4000
4000
4000
1...22.0
1...22.0
1...22.0
1/ ...1100
1/ ...1100
1/ ...1100
4
4
4
325
325
325
3/ -in. OD Enhanced Copper Tubes, Aluminum Lanced Fins
8
2...17
2...17
2...17
8.36
10.42
10.42
Centrifugal Type
1...10 x 10
1...11 x 10
1...10 x 10
1...10 x 10
1...10 x 10
—
1...10 x 10
1...10 x 10
1...10 x 10
Direct
Direct
Belt
Belt
Belt
—
Belt
Belt
Belt
1600
2000
2400
.75
1.20
2.40
1.20
1.30/2.40**
—
2.40
2.90
2.90
48
48
56
48
56
—
56
56
56
1075/970
1075/1040
—
1620
1725
—
1725
1725
1725
—
—
1070-1460
770-1175
900-1300
—
1075-1455
1300-1685
1300-1685
Ball
Ball
Ball
2100
2100
2100
—
—
2.8/3.8
1.9/2.9
2.8/3.8
—
2.8/3.8
3.4/4.4
3.4/4.4
1/
1/
5/
2
2
8
1/
5/
—
2
8
5/
7/
7/
8
8
8
—
—
4.5
4.0
5.5
—
4.5
4.5
4.5
—
—
1...A...39
1...A...36
1...A...40
—
1...A...39
1...A...40
1...A...40
—
—
14.7-15.5
10.0-12.4
14.7-15.5
—
10.0-12.4
14.7-15.5
14.7-15.5
—
—
80
70
80
—
65
60
60
—
—
5
5
5
—
6
5
5
—
—
3
3
3
—
31/2
31/2
31/2
—
—
1225
932
1100
—
1233
1416
1396
5/
5/
5/
8
8
8

1/

Motor Bearing Type
Maximum Allowable Rpm
Motor Pulley Pitch Diameter Min/Max (in.) Std
Alt
High-Static
Nominal Motor Shaft Diameter (in.)
Std
Alt
High-Static
Fan Pulley Pitch Diameter (in.)
Std
Alt
High-Static
Belt, Quantity...Type...Length (in.)
Std
Alt
High-Static
Pulley Center Line Distance (in.)
Std
Alt
High-Static
Speed Change per Full Turn of
Std
Movable Pulley Flange (rpm)
Alt
High-Static
Movable Pulley Maximum Full Turns
Std
From Closed Position
Alt
High-Static
Factory Setting
Std
Alt
High-Static
Factory Speed Setting (rpm)
Std
Alt
High-Static
Fan Shaft Diameter at Pulley (in.)
EVAPORATOR COIL
Rows...Fins/in.
Total Face Area (sq ft)

036
3

1...10 x 10
1...10 x 10
1...10 x 10
Direct
Belt
Belt
1200
.34
1.20
2.40
48
48
56
860/800
1620
1725
—
685-1045
1075-1455
Ball
2100
—
1.9/2.9
2.8/3.8
1/
2
1/
2
5/
8
—
4.5
4.5
—
1...A...36
1...A...39
—
10.0-12.4
10.0-12.4
—
48
65
—
5
6
—
3
31/2
—
829
1233
5/
8
3/

8-in.

2...15
4.17

OD Enhanced Copper Tubes, Aluminum Double-Wavy Fins
2...15
3...15
4...15
5.5
5.5
5.5

1
2
60

11-0
—
4100
1...22.0
4...1100
320

1/

2...17
16.5
1...10 x 10
—
1...10 x 10
Belt
—
Belt
2100
2.40
—
2.90
56
—
56
—
—
1725
1070-1460
—
1300-1685
Ball
2100
2.8/3.8
—
3.4/4.4
5/
8
—
7/
8
4.5
—
4.5
1...A...39
—
1...A...40
14.7-15.5
—
14.7-15.5
80
—
60
5
—
5
3
—
31/2
1226
—
1416
5/
8
4...15
5.5

***Three-phase standard high heat models have heating input values as shown.
Single-phase standard high heat models have one-stage heating with heating
input values as follows:
580F036 — 115,000 Btuh
580F048,060 — 150,000 Btuh
†††California SCAQMD compliant Low NOx models have combustion products
that are controlled to 40 nanograms per joule or less.
NOTES:
1. High-static motor not available on single-phase units.
2. An LP kit is available as an accessory. Kit may be used at elevations as high
as 2000 ft. LP kit is not used with Low NOx units.

LEGEND
Al
— Aluminum
Bhp — Brake Horsepower
Cu — Copper
*Evaporator coil fin material/condenser coil fin material. Contact your local representative for details about coated fins.
†Weight of 14-in. roof curb.
**Single phase/three-phase.
††Rollout switch lockout is manually reset by interrupting power to unit or resetting thermostat.

24

PHYSICAL DATA — 580F036-073 (cont)

Liquid Propane

Std

Alt

Thermostat Heat Anticipator
Setting (amps)
208/230 v and 575 Stage 1
Stage 2
460 v
Stage 1
Stage 2
Gas Input (Btuh)
Standard Units
(Stage 1/Stage 2)
Low NOx Units
Efficiency (Steady
State) (%)
Temperature Rise Range

Manifold Pressure (in. wg)
Natural Gas
Std
Liquid Propane
Alt
Gas Valve Quantity
Gas Valve Pressure Range (Min-Max Allowable)
Psig
in. wg
Field Gas Connection
Size (in. FPT)

074
115
150
060N
090N
120N
074
115
150

074
115
150***
060N†††
090N†††
120N†††
074
115
150
060N
090N
120N

036

048

060

072

073

195

195

195

195

195

—
.113...33
.113...33
—
.102...38
.102...38
—
.089...43
.089...43

.113...33
.113...33
.129...30
.102...38
.102...38
.116...32
.089...43
.089...43
.104...37

.113...33
.113...33
.129...30
.102...38
.102...38
.116...32
.089...43
.089...43
.104...37

.113...33
.113...33
.129...30
—
—
—
.089...43
.089...43
.102...38

.113...33
.113...33
.129...30
—
—
—
.089...43
.089...43
.104...37

.14
.14
.14
.14
—
—/74,000
82,000/115,000
—
60,000
90,000

.14
.14
.14
.14
—/74,000
—/115,000
120,000/150,000
60,000
90,000
120,000

.14
.14
.14
.14
—/74,000
—/115,000
120,000/150,000
60,000
90,000
120,000

.14
.14
.14
.14
—/74,000
—/115,000
120,000/150,000
—
—
—

.14
.14
.14
.14
—/74,000
—/115,000
120,000/150,000
—
—
—

80
—
15-45
55-85
—
20-50
30-60

80
15-45
35-65
50-80
20-50
30-60
40-70

80
15-45
35-65
50-80
20-50
30-60
40-70

80
15-45
35-65
50-80
—
—
—

80
15-45
35-65
50-80
—
—
—

3.5
3.5
1

3.5
3.5
1

3.5
3.5
1

3.5
3.5
1

3.5
3.5
1

0.180-0.470
5.0-13.0

0.180-0.470
5.0-13.0

0.180-0.470
5.0-13.0

0.180-0.470
5.0-13.0

0.180-0.470
5.0-13.0

1/

1/

1/

1/

1/

2

HIGH-PRESSURE SWITCH (psig)
Standard Compressor
Internal Relief (Differential)
Cutout
Reset (Auto.)
LOW-PRESSURE SWITCH (psig)
Cutout
Reset (Auto.)
FREEZE PROTECTION
THERMOSTAT (F)
Opens
Closes
OUTDOOR-AIR INLET SCREENS
Quantity...Size (in.)
RETURN-AIR FILTERS
Quantity...Size (in.)

2

2

2

2

450 ± 50

500 ± 50

500 ± 50

428
320

428
320

428
320

7±3
22 ± 7

30 ± 5
45 ± 5
Cleanable
Varies by Option Selected
Throwaway
2...16 x 25 x 2
***Three-phase standard high heat models have heating input values as shown.
Single-phase standard high heat models have one-stage heating with heating
input values as follows:
580F036 — 115,000 Btuh
580F048,060 — 150,000 Btuh
†††California SCAQMD compliant Low NOx models have combustion products
that are controlled to 40 nanograms per joule or less.
NOTES:
1. High-static motor not available on single-phase units.
2. An LP kit is available as an accessory. Kit may be used at elevations as high
as 2000 ft. LP kit is not used with Low NOx units.

LEGEND
Al
— Aluminum
Bhp — Brake Horsepower
Cu — Copper
*Evaporator coil fin material/condenser coil fin material. Contact your local representative for details about coated fins.
†Weight of 14-in. roof curb.
**Single phase/three-phase.
††Rollout switch lockout is manually reset by interrupting power to unit or resetting thermostat.

25

580F036-151

UNIT SIZE 580F
FURNACE SECTION
Rollout Switch Cutout
Temp (F)††
Burner Orifice Diameter
(in. ...drill size)
Natural Gas

580F036-151

PHYSICAL DATA — 580F090,120,150 UNITS
UNIT SIZE 580F
NOMINAL CAPACITY (tons)
OPERATING WEIGHT (lb)
Unit
Al/Cu*
COMPRESSOR
Type
Quantity
No. Cylinders (per Circuit)
Oil (oz)
REFRIGERANT TYPE
Expansion Device
Operating Charge (lb-oz)
Circuit 1 (first stage)
Circuit 2 (second stage)
CONDENSER COIL
Rows...Fins/in.
Total Face Area (sq ft)
CONDENSER FAN
Nominal Cfm
Quantity...Diameter (in.)
Motor Hp...Rpm
Watts Input (Total)
EVAPORATOR COIL
Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR FAN
Quantity...Size (in.)
Type Drive
Nominal Cfm
Maximum Continuous Bhp
Motor Frame Size
Fan Rpm Range
Motor Bearing Type
Maximum Allowable Rpm
Motor Pulley Pitch Diameter Min/Max (in.)
Nominal Motor Shaft Diameter (in.)
Fan Pulley Pitch Diameter (in.)
Belt, Quantity...Type...Length (in.)
Pulley Center Line Distance (in.)
Speed Change per Full Turn of
Movable Pulley Flange (rpm)
Movable Pulley Maximum Full Turns
From Closed Position
Factory Setting
Factory Speed Setting (rpm)

120
10

150
121/2

881

1057

1077

Reciprocating
2
2
42 ea

Reciprocating
2
2
54 ea
R-22
Fixed Orifice Metering Device

Scroll
2
—
54 ea

4-13
7- 3
8-10
4-14
7-13
8- 6
3/ -in. OD Enhanced Copper Tubes, Aluminum Lanced Fins
8
1...17
2...17
2...17
20.50
20.47
25.00
Propeller Type
6400
7000
7000
2...22
2...22
2...22
1/ ...1100
1/ ...1100
1/ ...1100
4
4
4
600
600
600
3/ -in. OD Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Face Split
8
3...15
3...15
4...15
8.0
10.0
11.1
Centrifugal Type
1...15 x 15
1...15 x 15
1...15 x 15
1...15 x 15
1...15 x 15
1...15 x 15
1...15 x 15
1...15 x 15
—
Belt
Belt
Belt
Belt
Belt
Belt
Belt
Belt
—
3000
4000
5000
2.40
2.40
3.70
2.40
2.90
5.25
3.70
5.25
—
56
56
56
56
56
56
56
56
—
590-840
685-935
860-1080
685-935
835-1085
830-1130
860-1080
830-1130
—
Ball
Ball
Ball
2100
2100
2100
2.4/3.4
2.8/3.8
4.0/5.0
2.8/3.8
3.4/4.4
3.1/4.1
4.0/5.0
2.8/3.8
—
5/
7/
5/
8
8
8
1/
7/
7/
2
8
8
7/
7/
—
8
8
7.0
7.0
8.0
7.0
7.0
5.9
8.0
5.8
—
1...A...48
1...A...49
1...A...53
1...A...48
1...A...51
1...BX...48
1...A...53
1...BX...48
—
16.75-19.25
15.85-17.50
15.85-17.50
16.75-19.25
15.85-17.50
15.85-17.50
16.75-19.25
15.85-17.50
—
50
50
44
50
50
50
60
60
—
5
5
5
5
5
6
5
6
—
5
5
5
5
5
5
5
5
—
590
685
860
685
835
960
860
887
—
1
1
1

Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static

Fan Shaft Diameter at Pulley (in.)
Al
—
Bhp —
Cu —

090
71/2

LEGEND
Aluminum
Brake Horsepower
Copper

†Weight of 14-in. roof curb.
**Rollout switch lockout is manually reset by interrupting power to unit or resetting
thermostat.
NOTE: High-static motor not available on size 150 units.

*Evaporator coil fin material/condenser coil fin material. Contact your local representative for details about coated fins.

26

PHYSICAL DATA — 580F090,120,150 UNITS (cont)

Liquid Propane

Std
Alt

Thermostat Heat Anticipator
Setting (amps)
208/230 v and 575 Stage 1
Stage 2
460 v
Stage 1
Stage 2
Gas Input (Btuh) Stage 1
Stage 2
Efficiency (Steady
State) (%)
Temperature Rise Range
Manifold Pressure (in. wg)
Natural Gas
Liquid Propane
Gas Valve Quantity
Gas Valve Pressure Range (Min-Max Allowable)
Psig
in. wg
Field Gas Connection
Size (in. FPT)
HIGH-PRESSURE SWITCH (psig)
Standard Compressor
Internal Relief (Differential)
Cutout
Reset (Auto.)
LOSS-OF-CHARGE (LOW-PRESSURE)
SWITCH (psig)
Cutout
Reset (Auto.)
FREEZE PROTECTION
THERMOSTAT (F)
Opens
Closes
OUTDOOR-AIR INLET SCREENS
Quantity...Size (in.)
RETURN-AIR FILTERS
Quantity...Size (in.)

090

120

150

195

195

195

125
180
224
125
180
224

.120...31
.120...31
.120...31
.096...41
.096...41
.096...41

180
224
250
180
224
250

.120...31
.120...31
.129...30
.096...41
.096...41
.102...38

125
180
224
125
180
224

.14
.20
.14
.20
125,000
120,000
180,000
—
180,000
224,000

125
180
224

80
20-50
35-65
45-75

Std
Alt

224
250
—
224
200
—

.120...31
.129...30
—
.096...41
.102...38
—

180
224
250
180
224
250

.14
.20
.14
.20
120,000
180,000
200,000
180,000
224,000
250,000

224
250
—
224
200
—

.14
.20
.14
.20
180,000
200,000
—
224,000
250,000
—

180
224
250

80
35-65
35-65
40-70

224
250
—

80
35-65
40-70
—

3.5
3.5
1

3.5
3.5
1

3.5
3.5
1

0.180-0.470
5.0-13.0

0.180-0.470
5.0-13.0

0.180-0.470
5.0-13.0

1/ /3/ /3/
2 4 4

3/ /3/ /3/
4 4 4

3/ /3/
4 4

450 ± 50

500 ± 50

428
320

428
320

7±3
22 ± 7

4...16 x 20 x 2

LEGEND
Al
— Aluminum
Bhp — Brake Horsepower
Cu — Copper

30 ± 5
45 ± 5
Cleanable
Varies by Option Selected
Throwaway
4...20 x 20 x 2

4...20 x 20 x 2

†Weight of 14-in. roof curb.
**Rollout switch lockout is manually reset by interrupting power to unit or resetting
thermostat.
NOTE: High-static motor not available on size 150 units.

*Evaporator coil fin material/condenser coil fin material. Contact your local representative for details about coated fins.

27

580F036-151

UNIT SIZE 580F
FURNACE SECTION
Rollout Switch Cutout
Temp (F)**
Burner Orifice Diameter
(in. ...drill size)
Natural Gas

580F036-151

PHYSICAL DATA — 580F091,103,121,151 UNITS
ASHRAE 90.1 COMPLIANT UNITS
UNIT SIZE 580F
NOMINAL CAPACITY (tons)
OPERATING WEIGHT (lb)
Unit
Al/Cu*
COMPRESSOR
Type
Quantity
No. Cylinders (per Circuit)
Oil (oz) (each compressor)
REFRIGERANT TYPE
Expansion Device
Operating Charge (lb-oz)
Circuit 1 (first stage)
Circuit 2 (second stage)
CONDENSER FAN
Nominal Cfm
Quantity...Diameter (in.)
Motor Hp...Rpm
Watts Input (Total)
CONDENSER COIL
Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR FAN
Quantity...Size (in.)

Type Drive

Nominal Cfm
Maximum Continuous Bhp

Motor Frame Size

Fan Rpm Range

Motor Bearing Type
Maximum Allowable Rpm
Motor Pulley Pitch Diameter Min/Max (in.)

Nominal Motor Shaft Diameter (in.)

Fan Pulley Pitch Diameter (in.)

Belt, Quantity...Type...Length (in.)

Pulley Center Line Distance (in.)

Speed Change per Full Turn of
Movable Pulley Flange (rpm)
Movable Pulley Maximum Full Turns
From Closed Position
Factory Setting

Factory Speed Setting (rpm)

Fan Shaft Diameter at Pulley (in.)
EVAPORATOR COIL
Rows...Fins/in.
Total Face Area (sq ft)

091
71/2

103
81/2

121
10

151
121/2

881

896

1057

1077

Reciprocating
2
2
42

Scroll
2
2
53

Scroll
2
2
50

Scroll
2
2
60

R-22
Acutrol™ Metering Device
7-10
8-2

7-14
8-5

6500
2...22
1/ ...1100
4
650
2...17
20.50
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static

Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static
Std
Alt
High-Static

1...15 x 15
1...15 x 15
1...15 x 15
Belt
Belt
Belt
2900
2.40
2.40
3.70
56
56
56
590-840
685-935
860-1080
Ball
1500
2.4/3.4
2.8/3.8
4.0/5.0
5/
8
5/
8
7/
8
7.0
7.0
8.0
1...A...48
1...A...48
1...A...53
16.75-19.25
16.75-19.25
16.75-19.25
50
50
60
5
5
5
5
5
5
590
685
860
1

8-10
8-8

Propeller Type
6500
7000
2...22
2...22
1/ ...1100
1/ ...1100
4
4
650
650
3/ -in. OD Enhanced Copper Tubes, Aluminum Lanced Fins
8
2...17
2...17
20.50
25.00
Centrifugal Type
1...15 x 15
1...15 x 15
—
1...15 x 15
1...15 x 15
1...15 x 15
Belt
Belt
—
Belt
Belt
Belt
3000
3200
2.40
2.40
—
2.90
3.70
5.25
56
56
—
56
56
56
685-935
685-935
—
835-1085
860-1080
830-1130
Ball
Ball
1500
1500
2.8/3.8
2.8/3.8
—
3.4/4.4
4.0/5.0
2.8/3.8
5/
5/
8
8
7/
—
8
7/
7/
8
8
7.0
7.0
—
7.0
8.0
5.8
1...A...48
1...A...49
—
1...A...51
1...A...53
1...BX...48
16.75-19.25
15.85-17.50
—
15.85-17.50
16.75-19.25
15.85-17.50
50
50
—
50
60
60
5
5
—
5
5
6
5
5
—
5
5
5
685
685
—
835
860
887
1
1

9-8
9-5
7000
2...22
1/ ...1100
4
650
2...17
25.00
1...15 x 15
1...15 x 15
—
Belt
Belt
—
5000
3.70
5.25
—
56
56
—
860-1080
830-1130
—
Ball
1500
4.0/5.0
3.1/4.1
—
7/
8
7/
8
—
8.0
5.9
—
1...A...53
1...BX...48
—
15.85-17.50
15.85-17.50
—
44
50
—
5
6
—
5
5
—
860
887
—
1

3/ -in. OD Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Face Split
8
3...15
3...15
3...15
4...15
8.9
8.9
10.0
11.1

LEGEND
Al
— Aluminum
Bhp — Brake Horsepower
Cu — Copper

*Evaporator coil fin material/condenser coil fin material. Contact your local representative for details about coated fins.
†Weight of 14-in. roof curb.
**Rollout switch lockout is manually reset by interrupting power to unit or resetting thermostat.

28

PHYSICAL DATA — 580F091,103,121,151 UNITS (cont)

UNIT SIZE 580F
FURNACE SECTION
Rollout Switch Cutout
Temp (F)**
Burner Orifice Diameter
(in. ...drill size)
Natural Gas

Std

Liquid Propane

Alt

Thermostat Heat Anticipator
Setting (amps)
208/230 v and 575 Stage 1
Stage 2
460 v
Stage 1
Stage 2
Gas Input (Btuh) Stage 1
Stage 2
Efficiency (Steady
State) (%)
Temperature Rise Range
Manifold Pressure (in. wg)
Natural Gas
Liquid Propane
Gas Valve Quantity
Gas Valve Pressure Range (Min-Max Allowable)
Psig
in. wg
Field Gas Connection
Size (in. FPT)

091

103

121

151

195

195

195

195

125
180
224
125
180
224

.120...31
.120...31
.120...31
.096...41
.096...41
.096...41

125
180
224
125
180
224

.120...31
.120...31
.120...31
.096...41
.096...41
.096...41

125
180
224
125
180
224

.14
.20
.14
.20
125,000
120,000
180,000
—
180,000
224,000

125
180
224

80
20-50
35-65
45-75

Std
Alt

.120...31
.120...31
.129...30
.096...41
.096...41
.102...38

224
250
—
224
250
—

.120...31
.129...30
—
.096...41
.102...38
—

125
180
224
125
180
224

.14
.20
.14
.20
125,000
120,000
180,000
—
180,000
224,000

180
224
250
180
224
250

.14
.20
.14
.20
120,000
180,000
200,000
180,000
224,000
250,000

224
250
—
224
250
—

.14
.20
.14
.20
180,000
200,000
—
224,000
250,000
—

125
180
224

80
20-50
35-65
45-75

180
224
250

80
35-65
35-65
40-70

224
250
—

80
35-65
40-70
—

3.5
3.5
1

3.5
3.5
1

3.5
3.5
1

3.5
3.5
1

0.180-0.470
5.0-13.0

0.180-0.470
5.0-13.0

0.180-0.470
5.0-13.0

0.180-0.470
5.0-13.0

125
180
224

HIGH-PRESSURE SWITCH (psig)
Standard Compressor
Internal Relief (Differential)
Cutout
Reset (Auto.)
LOW-PRESSURE SWITCH (psig)
Cutout
Reset (Auto.)
FREEZE PROTECTION
THERMOSTAT (F)
Opens
Closes
OUTDOOR-AIR INLET SCREENS
Quantity...Size (in.)
RETURN-AIR FILTERS
Quantity...Size (in.)

180
224
250
180
224
250

580F036-151

ASHRAE 90.1 COMPLIANT UNITS (cont)

1/
2
3/
4
3/
4

125
180
224

1/
2
3/
4
3/
4

180
224
250

3/
4
3/
4
3/
4

224
250
—

3/
4
3/
4

—

450 ± 50

500 ± 50

428
320

428
320
7±3
22 ± 7

30 ± 5
45 ± 5
Cleanable
Varies by Option Selected
Throwaway
4...20 x 20 x 2
4...20 x 20 x 2

4...16 x 20 x 2

LEGEND
Al
— Aluminum
Bhp — Brake Horsepower
Cu — Copper

4...20 x 20 x 2

*Evaporator coil fin material/condenser coil fin material. Contact your local representative for details about coated fins.
†Weight of 14-in. roof curb.
**Rollout switch lockout is manually reset by interrupting power to unit or resetting thermostat.

580F — OPTION/ACCESSORY WEIGHTS
Option / Accessory
Power Exhaust vertical
Power Exhaust horizontal
EconoMi$er ( IV or 2)
Two Position damper
(25%)
Two Position damper
(100%)
Manual Dampers
Hail Guard (standard
hood assembly)
Cu/Cu Condenser Coil
Cu/Cu Condenser and
Evaporator Coils
Roof Curb (14-in. curb)
Roof Curb (24-in. curb)

036
lb

kg

048
lb
kg

060
lb
kg

072, 073
lb
kg

090, 091
lb
kg

102, 103
lb
kg

120, 121
lb
kg

150, 151
lb
kg

50

23

50

23

50

23

50

23

75

34

75

34

75

34

75

34

30

14

30

14

30

14

30

14

30

14

30

14

30

14

30

14

50

23

50

23

50

23

50

23

75

34

75

34

75

34

75

34

22

10

22

10

22

10

22

10

32

15

32

15

32

15

32

15

39

18

39

18

39

18

39

18

58

26

58

26

58

26

58

26

12

5

12

5

12

5

18

8

18

8

18

8

18

8

18

8

25

11

25

11

25

11

25

11

38

17

50

23

50

23

50

23

6

3

13

6

13

6

15

7

12

5

23

10

23

10

23

10

12

5

19

9

21

10

26

12

25

11

49

22

49

22

49

22

115
197

52
89

115
197

52
89

115
197

52
89

115
197

52
89

143
245

65
111

143
245

65
111

143
245

65
111

143
245

65
111

29

580F036-151

BASE UNIT DIMENSIONS — 580F036-072

a48-8195

30

BASE UNIT DIMENSIONS — 580F073
580F036-151

a48-8196

31

580F036-151

BASE UNIT DIMENSIONS — 580F090,120,150

a48-8197

32

BASE UNIT DIMENSIONS — 580F091,103,121,151
580F036-151

a48-8198

33

580F036-151

ACCESSORY DIMENSIONS — 580F
ROOF CURB
ACCESSORY
CRRFCURB001A01
CRRFCURB002A01

A

UNIT SIZE

B

C

1′-2″
[356]
2′-0″
[610]

CONNECTOR
PKG. ACCY.

D ALT
DRAIN
HOLE

580F
036-073

CRBTMPWR001A01
CRBTMPWR002A01
CRBTMPWR003A01
CRBTMPWR004A01

1′-911/16″
[551]

1′-4″
[406]

13/4″
[44.5]

POWER

CONTROL

ACCESSOR
Y
POWER

4″ [19] NPT
11/4″ [31.7]
3/ ″ [19] NPT
4
11/4″ [31.7]

1/ ″
2
[12.7]
NPT

1/ ″
2
[12.7]
NPT

GAS
3/ ″
4

[19] NPT

2″ [12.7] NPT
3/ ″ [19] NPT
4

1/

3/

NOTES:
1. Roof curb accessory is shipped disassembled.
2. Insulated panels.
3. Dimensions in [ ] are in millimeters.
4. Roof curb, galvanized steel.
5. Attach ductwork to curb (flanges of duct rest on curb).
6. Service clearance: 4 ft on each side.
7.

Direction of airflow.

8. Connector packages CRBTMPWR001A01 and 2A01 are for
thru-the-curb type gas. Packages CRBTMPWR003A01 and
4A01 are for thru-the-bottom type gas connections.

a48-7317

Roof Curb

34

ACCESSORY DIMENSIONS — 580F (cont)
B

C

D ALT
DRAIN
HOLE

3/ ″
4
[19] NPT

CRBTMPWR001A01
CRBTMPWR002A01
CRBTMPWR003A01
CRBTMPWR004A01

GAS

2′-87/16″ 1′-1015/16″
[827]
[583]

13/4″
[44.5]

1/ ″
2
[12.7] NPT
3/ ″
4
[19] NPT

POWER

CONTROL

ACCESSORY
POWER

3/ ″ [19] NPT
4
11/4″ [31.7]
3/ ″
4

1/ ″
2
[19] NPT [12.7] NPT

11/4″ [31.7]

1/ ″
2
[12.7] NPT

ROOF CURB
ACCESSORY
CRRFCURB003A01
CRRFCURB004A01

“A”

UNIT SIZE

1′-2″ [356]
2′-0″ [610]

580F
090-151

NOTES:
1. Roof curb accessory is shipped disassembled.
2. Insulated panels: 1-in. thick polyurethane foam,
13/4 lb density.
3. Dimensions in [ ] are in millimeters.
4. Roof curb: 16-gage steel.
5. Attach ductwork to curb (flanges of duct rest on
curb).
6. Service clearance 4 ft on each side.
7.

Direction of airflow.

8. Connector packages CRBTMPWR001A01 and
2A01 are for thru-the-curb gas type. Packages
CRBTMPWR003A01 and 4A01 are for thru-thebottom type gas connections.

a48-7321

Roof Curb Details

35

580F036-151

CONNECTOR
PKG. ACCY.

580F036-151

SELECTION PROCEDURE (with 580F060 example)
IV DETERMINE FAN SPEED AND POWER REQUIREMENTS AT DESIGN CONDITIONS.
Before entering the Fan Performance tables, calculate the
total static pressure required based on unit components.
From the given and the Accessory/FIOP Static Pressure
table on page 75 find:
External static pressure
0.60 in. wg
EconoMi$er IV static pressure
0.12 in. wg
Total Static
0.72 in. wg
Enter the standard motor Fan Performance table 580F060
Vertical Discharge (page 39) at 2,000 cfm and 0.72 in. wg
external static pressure. The standard motor cannot
provide 0.87 in. wg external static pressure. Enter the
alternate motor Fan Performance table for 580F060, vertical discharge. At 2,000 cfm and 0.72 in. wg external static
pressure, find that the rpm is 1219, the Bhp is 1.31, and
the watts are 1168 (interpolation required).
V DETERMINE NET COOLING CAPACITY.
Cooling capacities are gross capacities and do not include
indoor (evaporator) fan motor (IFM) heat. Use the watts
input power to the motor calculated in Section IV above.
IFM Watts = 1168
Determine net cooling capacity using the following
formula:

I DETERMINE COOLING AND HEATING REQUIREMENTS AT DESIGN CONDITIONS.
Given:
Required Cooling Capacity (TC). . . . . . . . . . . 55,000 Btuh
Sensible Heat Capacity (SHC) . . . . . . . . . . . . 40,000 Btuh
Required Heating Capacity. . . . . . . . . . . . . . . 60,000 Btuh
Condenser Entering Air Temp. . . . . . . . . . .95 F (Summer)
Evaporator Entering Air Temp. . . . . . . . . . . . . . . 80 F edb,
67 F ewb
Evaporator Air Quantity . . . . . . . . . . . . . . . . . . . 2,000 cfm
External Static Pressure . . . . . . . . . . . . . . . . . . . 0.6 in. wg
Electrical Characteristics (V-Ph-Hz) . . . . . . . . . . 230-3-60
Vertical discharge unit with optional EconoMi$er IV
required.
edb — Entering dry-bulb
ewb — Entering wet-bulb
II SELECT UNIT BASED ON REQUIRED COOLING
CAPACITY.
Enter Cooling Capacities table for 580F060 (page 33) at
condenser entering temperature 95 F, evaporator air
entering at 2,000 cfm and 67 F wb. The 580F060 unit will
provide a total cooling capacity of 60,900 Btuh and a sensible heating capacity of 45,300 Btuh. For air entering
evaporator at temperatures other than 80 F edb, calculate
sensible heat capacity correction as required using the formula in the notes following the Cooling Capacities tables.
NOTE: Unit ratings are gross capacities and do not
include the effect of evaporator-fan motor heat. To calculate net capacities, see Step V.
III SELECT HEATING CAPACITY OF UNIT TO PROVIDE
DESIGN CONDITION REQUIREMENTS.
In the Heating Capacities and Efficiencies table (page 9)
note that the 580F060 074 will provide an output capacity
of 59,200 Btuh, which is adequate for the given
application.

Net capacity = Gross capacity – IFM heat
= 60,900 Btuh – 1168 Watts
(3.412

Btuh
)
Watts

= 60,900 Btuh – 3985 Btuh
= 56,915 Btuh
Net sensible capacity = 45,300 Btuh – 3985 Btuh
= 41,315 Btuh
The calculations show that a 580F060 unit with the alternate motor and drive is the correct selection for the given
conditions.

36

PERFORMANCE DATA
580F036 (3 TONS)
Temp (F)
Air Entering
Condenser
(Edb)

900/0.11
72
42.8
20.0
2.91
40.8
19.4
3.14
38.7
18.6
3.35
36.5
17.8
3.55
34.3
17.0
3.76

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

75

85

95

105

115

67
38.9
24.5
2.81
36.9
23.7
3.01
34.9
22.9
3.21
32.8
22.1
3.41
30.7
21.3
3.60

62
35.0
28.7
2.70
33.3
27.9
2.90
31.4
27.0
3.09
29.2
25.9
3.27
26.9
24.8
3.45

Air Entering Evaporator — Cfm/BF
1200/0.14
Air Entering Evaporator — Ewb (F)
72
67
62
44.8
40.8
37.0
21.8
27.5
32.8
2.99
2.88
2.78
42.5
38.7
35.0
21.0
26.8
31.8
3.20
3.08
2.97
40.4
36.6
33.0
20.3
26.0
30.9
3.42
3.29
3.16
38.1
34.3
30.9
19.6
25.2
29.8
3.63
3.49
3.35
35.7
32.1
28.8
19.0
24.4
28.8
3.84
3.68
3.54

1500/0.17
72
45.8
23.0
3.02
43.6
22.6
3.24
41.4
22.0
3.47
39.0
21.2
3.68
36.5
20.5
3.88

67
41.9
30.0
2.92
39.9
29.7
3.14
37.6
28.8
3.35
35.2
28.0
3.54
32.9
27.1
3.74

62
38.2
36.0
2.82
36.1
35.1
3.02
34.1
34.0
3.22
32.4
32.3
3.43
30.6
30.6
3.64

580F048 (4 TONS)
Temp (F)
Air Entering
Condenser
(Edb)

72
57.9
27.2
4.07
55.7
26.4
4.40
52.9
25.5
4.70
50.1
24.4
5.00
47.3
23.4
5.30

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

75

85

95

105

115

Air Entering Evaporator — Cfm/BF
1600/0.15
Air Entering Evaporator — Ewb (F)
72
67
62
60.4
55.9
51.3
29.4
37.2
44.8
4.17
4.03
3.90
57.7
53.4
48.5
28.4
36.7
43.6
4.47
4.35
4.20
50.5
45.7
55.2
27.6
35.6
42.2
4.78
4.63
4.47
52.3
47.6
42.8
26.7
34.5
40.7
5.10
4.91
4.73
49.3
44.6
40.0
25.9
33.3
39.3
5.42
5.19
4.99

1200/0.12
67
53.1
33.3
3.93
50.8
32.5
4.24
48.1
31.5
4.54
45.3
30.3
4.81
42.6
29.2
5.07

62
48.3
39.2
3.79
45.3
37.8
4.08
42.5
36.4
4.36
39.8
35.1
4.62
37.2
33.7
4.88

2000/0.18
72
62.2
31.4
4.24
59.4
30.5
4.54
56.7
29.7
4.87
53.6
28.8
5.17
50.5
27.8
5.48

67
57.3
40.3
4.08
55.0
40.3
4.42
52.0
39.2
4.70
48.9
38.1
4.99
45.9
37.1
5.28

62
52.9
49.1
3.96
50.2
47.9
4.25
47.4
46.7
4.56
44.9
44.6
4.84
42.4
42.4
5.12

580F060 (5 TONS)
Temp (F)
Air Entering
Condenser
(Edb)

1500/0.07
72
71.0
33.9
5.04
69.2
33.4
5.50
65.5
32.1
5.88
61.9
30.8
6.25
58.2
29.5
6.63

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

75

85

95

105

115

67
63.8
41.5
4.82
61.0
40.5
5.27
56.6
38.8
5.62
53.1
37.5
5.99
49.7
36.1
6.35

62
55.4
47.9
4.62
54.2
47.3
5.02
50.4
45.6
5.37
47.1
44.1
5.72
43.7
42.5
6.08

Air Entering Evaporator — Cfm/BF
2000/0.09
Air Entering Evaporator — Ewb (F)
72
67
62
74.5
67.2
59.2
37.4
47.4
55.8
5.20
4.97
4.76
72.9
65.6
57.2
37.0
46.9
54.9
5.66
5.41
5.18
60.9
53.1
69.4
35.8
45.3
52.6
5.76
5.53
6.01
65.4
56.6
50.5
34.5
43.7
50.2
6.38
6.13
5.91
61.4
52.3
47.8
33.2
42.1
47.8
6.75
6.49
6.29

—
—
—
—
—
—
—
—

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb

=

–

total capacity (Btuh)
4.5 x cfm

Where: hewb = Enthalpy of air entering evaporator coil.

BYPASS
FACTOR
(BF)

79
81

67
69.7
52.8
5.06
68.1
52.3
5.50
63.3
50.9
5.87
58.8
49.3
6.23
54.3
47.6
6.59

62
62.1
61.8
4.87
61.5
61.3
5.29
57.8
57.8
5.67
54.5
54.5
6.06
51.2
51.2
6.46

.05
.10
.20
.30

1.04
.98
.87
.76

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07
3.11
4.14
5.18
1.96
2.94
3.92
4.90
Use formula
1.74
2.62
3.49
4.36
shown below.
1.53
2.29
3.05
3.82

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

Wet-bulb temperature corresponding to enthalpy of air leaving evaporator
coil (hlwb)

hlwb = hewb

72
76.5
40.6
5.29
75.2
40.1
5.75
71.2
39.1
6.12
67.1
37.9
6.50
63.0
36.7
6.88

3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

Standard Ratings

BF
Edb
Ewb
kW
Ldb
Lwb
SHC
TC

2500/0.12

37

580F036-151

COOLING CAPACITIES

580F036-151

PERFORMANCE DATA (cont)
COOLING CAPACITIES (cont)
580F072 (6 TONS)
Temp (F)
Air Entering
Condenser
(Edb)
75

85

95

105

115

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

1800/0.06
72
86.6
42.2
5.48
84.1
41.4
6.17
81.6
40.6
6.86
78.4
39.4
7.60
75.1
38.1
8.36

67
80.0
52.3
5.33
77.4
51.3
6.00
74.7
50.3
6.67
71.8
49.2
7.39
68.7
47.9
8.14

62
73.6
62.2
5.21
71.0
61.1
5.85
68.5
60.0
6.49
65.6
58.7
7.20
62.5
57.2
7.93

72
87.8
43.0
5.69
84.0
41.7
6.21
81.0
40.8
6.78
76.8
39.4
7.30
72.5
37.9
7.81

Air Entering Evaporator — Cfm/BF
2100/0.08
2400/0.09
Air Entering Evaporator — Ewb (F)
67
62
72
67
80.3
73.2
90.8
84.1
53.9
65.5
46.5
59.6
5.50
5.32
5.59
5.44
77.2
69.5
87.8
81.2
53.1
64.0
45.5
58.6
6.04
5.83
6.27
6.11
73.5
66.3
84.8
78.2
51.8
62.8
44.6
57.6
6.54
6.33
6.95
6.77
69.7
62.5
81.6
74.9
50.3
61.1
43.5
56.4
7.05
6.80
7.72
7.50
65.5
58.7
78.0
71.5
48.7
58.7
42.3
55.1
7.53
7.27
8.49
8.25

3000/0.11
62
77.2
71.6
5.29
74.5
70.3
5.94
71.8
69.1
6.59
68.9
67.4
7.31
66.1
65.5
8.06

72
93.2
50.1
5.66
90.1
49.4
6.35
87.0
48.7
7.03
83.3
47.4
7.77
79.5
46.3
8.55

67
86.6
66.4
5.51
83.5
65.4
6.19
80.4
64.5
6.86
76.9
63.1
7.59
73.3
61.6
8.33

62
79.7
78.7
5.35
77.3
76.7
6.02
74.8
74.7
6.69
72.1
72.0
7.41
69.3
69.2
8.18

580F073 (6 TONS)
Temp (F)
Air Entering
Condenser
(Edb)
75
85
95
105
115

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

72
82.7
40.2
4.73
81.1
40
5.27
79.2
39.4
5.87
76.6
38.6
6.53
73.6
37.6
7.25

Air Entering Evaporator — Cfm/BF
2100/0.07
2400/0.09
Air Entering Evaporator — Ewb (F)
67
62
72
67
78.7
72.9
84.2
79.7
54.2
65.9
42.3
57.1
4.65
4.56
4.77
4.67
77.1
70.7
83.3
78.6
53.9
64.9
42.2
57.5
5.2
5.09
5.34
5.24
74.8
68.5
81.3
76.2
53.3
64
41.8
56.8
5.81
5.7
5.94
5.85
72.1
64.8
77.9
73.4
52.3
62.2
40.6
55.9
6.48
6.32
6.56
6.51
69
61.1
75.2
70.1
51.2
60.2
39.9
54.8
7.18
7.01
7.29
7.2

72
105.8
52.6
7.28
101.8
51.6
7.82
97.0
50.2
8.36
91.0
48.2
8.80
85.2
46.4
9.30

Air Entering Evaporator — Cfm/BF
2800/0.09
3000/0.10
Air Entering Evaporator — Ewb (F)
67
62
72
67
98.2
90.0
106.4
99.0
67.8
81.6
53.6
69.8
6.98
6.68
7.32
7.04
93.6
85.2
102.6
94.4
66.4
79.6
52.8
68.6
7.50
7.18
7.86
7.54
88.4
80.0
97.6
89.0
64.6
77.2
51.4
66.8
8.00
7.64
8.40
8.04
82.8
74.6
91.6
83.4
62.6
74.2
49.4
64.8
8.46
8.14
8.86
8.50
76.8
69.6
85.6
77.4
60.4
69.6
47.8
62.6
8.92
8.64
9.34
8.96

1800/0.06
72
81.3
38.2
4.69
78.8
37.7
5.21
77.1
37
5.8
75.4
36.7
6.49
72.1
35.3
7.2

67
77.8
51.3
4.63
75.6
50.4
5.16
73.3
49.9
5.78
70.7
48.7
6.45
67.9
47.5
7.17

62
71.3
61.6
4.52
69
60.5
5.05
66.9
59.7
5.65
62.9
58.2
6.26
59
57.2
6.94

3000/0.11
62
74.6
70.2
4.6
72.3
69.2
5.13
70.1
68.3
5.74
66.7
66.3
6.38
63.3
63.3
7.08

72
85.3
43.7
4.8
85
44.3
5.39
82
43.5
5.95
79.7
43
6.61
76.7
42.2
7.35

67
82.5
64
4.75
80.5
63.6
5.29
78
63.4
5.88
74.9
62.4
6.53
71.9
61.5
7.26

62
76.7
76.4
4.63
75
74.9
5.17
73.3
73.2
5.8
70.9
70.9
6.46
68.1
68.1
7.15

580F090 (71/2 TONS)
Temp (F)
Air Entering
Condenser
(Edb)
75

85

95

105

115

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

2250/0.07
72
102.8
49.4
7.14
98.2
48.0
7.66
93.8
46.4
8.18
88.4
44.6
8.68
82.8
42.6
9.16

67
94.8
61.8
6.82
90.2
60.2
7.34
85.2
58.2
7.84
79.8
56.2
8.30
73.8
53.8
8.78

62
86.2
73.2
6.50
81.6
71.2
7.00
76.6
68.8
7.48
70.8
66.0
7.98
66.0
63.2
8.42

38

3750/0.12
62
90.8
84.0
6.72
86.0
82.0
7.22
81.2
79.0
7.70
76.0
75.6
8.20
71.0
71.0
8.72

72
109.2
58.2
7.46
104.6
56.8
7.98
99.4
55.6
8.50
93.8
54.2
8.98
87.6
52.8
9.48

67
101.6
77.4
7.18
96.8
76.0
7.68
91.2
74.4
8.16
85.4
72.4
8.64
79.4
70.4
9.10

62
93.6
92.2
6.86
89.6
89.4
7.40
85.2
85.2
7.92
80.6
80.6
8.42
76.0
75.8
8.94

PERFORMANCE DATA (cont)

580F091 (71/2 TONS)
Temp (F)
Air Entering
Condenser
(Edb)
75

85

95

105

115

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

72
108.9
54.1
6.46
104.8
53.1
6.94
99.9
51.7
7.42
93.7
49.6
7.81
87.7
47.8
8.25

Air Entering Evaporator — Cfm/BF
2800/0.11
3000/0.11
Air Entering Evaporator — Ewb (F)
67
62
72
67
101.1
92.6
109.5
101.9
69.8
84.0
55.2
71.9
6.19
5.93
6.50
6.25
96.4
87.7
105.6
97.2
68.4
81.9
54.4
70.6
6.66
6.37
6.98
6.69
91.0
82.4
100.5
91.6
66.5
79.5
52.9
68.8
7.10
6.78
7.46
7.14
85.2
76.8
94.3
85.9
64.4
76.4
50.9
66.7
7.51
7.22
7.86
7.54
79.1
71.6
88.1
79.7
62.2
71.6
49.2
64.4
7.92
7.67
8.29
7.95

72
121.3
59.3
6.46
117.9
58.0
7.41
113.3
56.5
8.42
108.8
55.2
9.55
103.1
52.9
10.70
98.5
51.6
12.02

Air Entering Evaporator — Cfm/BF
3000/0.09
3400/0.11
Air Entering Evaporator — Ewb
67
62
72
67
107.5
97.2
122.9
109.0
70.6
85.0
61.3
74.7
6.38
6.30
6.47
6.39
103.8
93.4
119.6
105.3
69.4
83.8
60.4
73.4
7.31
7.24
7.43
7.33
99.7
89.2
115.4
101.1
67.9
81.7
59.1
71.9
8.33
8.24
8.46
8.34
95.2
84.6
110.4
96.4
66.4
80.0
57.5
70.3
9.44
9.34
9.57
9.45
90.4
80.3
105.1
91.7
64.7
78.3
55.8
68.5
10.62
10.55
10.74
10.62
85.5
74.9
99.8
86.6
62.9
74.9
54.0
66.9
11.89
11.73
12.05
11.92

2250/0.10
72
105.8
50.9
6.34
101.1
49.4
6.80
96.6
47.8
7.26
91.0
45.9
7.70
85.2
43.9
8.13

67
97.6
63.6
6.05
92.9
62.0
6.51
87.7
59.9
6.96
82.1
57.9
7.37
76.0
55.4
7.79

62
88.7
75.4
5.77
84.0
73.3
6.21
78.9
70.8
6.64
72.9
67.9
7.08
67.9
65.1
7.47

3750/0.14
62
93.5
86.5
5.96
88.5
84.4
6.41
83.6
81.3
6.83
78.2
77.8
7.28
73.1
73.1
7.74

72
112.4
59.9
6.62
107.7
58.5
7.08
102.3
57.2
7.54
96.6
55.8
7.97
90.2
54.4
8.41

67
104.6
79.7
6.37
99.6
78.2
6.82
93.9
76.6
7.24
87.9
74.5
7.67
81.7
72.5
8.08

62
96.4
94.9
6.09
92.2
92.0
6.57
87.7
87.7
7.03
83.0
83.0
7.47
78.2
78.0
7.93

580F103 (81/2 TONS)
Temp (F)
Air Entering
Condenser
(Edb)
75
85
95
105
115
125

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

2550/0.08
72
117.7
55.7
6.42
113.8
54.3
7.35
109.6
52.9
8.37
105.6
51.4
9.49
100.4
49.4
10.63
95.8
48.0
11.97

67
104.1
64.7
6.34
100.4
63.3
7.26
96.2
61.9
8.27
92.1
60.4
9.37
87.9
58.6
10.56
83.0
56.8
11.83

62
93.4
76.6
6.26
89.2
75.0
7.17
85.3
73.1
8.16
81.3
71.6
9.27
76.8
69.6
10.46
72.0
67.5
11.61

4250/0.13
62
98.7
91.4
6.33
94.7
89.1
7.24
90.3
87.3
8.22
86.3
85.3
9.35
82.1
81.9
10.54
77.5
77.5
11.80

72
124.4
66.8
6.50
122.1
65.2
7.46
118.3
64.0
8.51
113.2
62.5
9.61
107.6
60.6
10.80
101.4
58.2
12.09

67
111.1
82.1
6.41
107.5
81.7
7.37
103.2
80.3
8.40
98.4
78.3
9.49
93.5
76.6
10.68
88.2
74.6
11.97

62
101.8
99.7
6.35
97.2
97.0
7.28
93.1
93.1
8.31
89.1
89.1
9.41
85.0
85.0
10.58
80.7
80.7
11.86

580F120 (10 TONS)
Temp (F)
Air Entering
Condenser
(Edb)
75
85
95
105
115

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

3000/0.095
72
135.8
66.8
9.76
130.0
64.3
10.41
124.1
62.2
11.13
118.1
60.4
11.93
115.0
59.4
12.26

67
124.8
82.6
9.41
119.6
80.5
10.07
113.7
78.4
10.78
104.6
74.9
11.52
98.0
72.4
11.82

62
112.0
97.4
9.10
104.0
93.8
9.74
96.7
90.0
10.40
87.9
85.2
11.10
84.2
83.4
11.40

Air Entering Evaporator — Cfm/BF
4000/0.125
Air Entering Evaporator — Ewb (F)
72
67
62
142.4
130.6
119.8
73.2
93.4
112.7
10.00
9.61
9.27
136.0
125.0
114.5
71.1
91.7
110.2
10.67
10.28
9.94
129.5
118.9
106.9
69.1
89.8
105.9
11.38
10.99
10.63
122.7
111.8
98.5
66.9
87.7
98.5
12.13
11.74
11.41
120.0
103.8
93.4
66.4
84.8
93.4
12.48
12.06
11.78

39

5000/0.15
72
146.5
79.7
10.17
140.0
77.5
10.84
132.8
74.9
11.52
126.0
73.1
12.27
122.6
72.8
12.60

67
134.2
104.4
9.75
127.9
101.8
10.41
122.0
100.1
11.14
115.1
98.3
11.89
109.8
96.9
12.20

62
123.7
123.1
9.41
118.8
118.7
10.09
114.1
114.0
10.83
108.0
108.0
11.65
102.8
102.8
12.00

580F036-151

COOLING CAPACITIES (cont)

580F036-151

PERFORMANCE DATA (cont)
COOLING CAPACITIES (cont)
580F121 (10 TONS)
Temp (F)
Air Entering
Condenser
(Edb)

3000/0.095
72
138.2
68.0
8.37
132.3
65.5
8.92
126.3
63.3
9.54
120.2
61.5
10.23
117.1
60.5
10.51

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

75
85
95
105
115

67
127.0
84.1
8.07
121.7
81.9
8.63
115.7
79.8
9.24
106.5
76.2
9.87
99.8
73.7
10.13

62
114.0
99.1
7.80
105.9
95.5
8.35
98.4
91.6
8.91
89.5
86.7
9.51
85.7
84.9
9.77

Air Entering Evaporator — Cfm/BF
4000/0.125
Air Entering Evaporator — Ewb (F)
72
67
62
145.0
132.9
122.0
74.5
95.1
114.7
8.57
8.24
7.95
138.4
127.2
116.6
72.4
93.3
112.2
9.15
8.81
8.52
131.8
121.0
108.8
70.3
91.4
107.8
9.75
9.42
9.11
124.9
113.8
100.3
68.1
89.3
100.3
10.40
10.06
9.78
122.2
105.7
95.1
67.6
86.3
95.1
10.70
10.34
10.10

5000/0.15
72
149.1
81.1
8.72
142.5
78.9
9.29
135.2
76.2
9.87
128.3
74.4
10.52
124.8
74.1
10.80

67
136.6
106.3
8.36
130.2
103.6
8.92
124.2
101.9
9.55
117.2
100.1
10.19
111.8
98.6
10.46

62
125.9
125.3
8.07
120.9
120.8
8.65
116.1
116.0
9.28
109.9
109.9
9.99
104.6
104.6
10.29

580F150 (121/2 TONS)
Temp (F)
Air Entering
Condenser
(Edb)

72
175.6
85.7
11.16
169.3
83.9
12.15
161.9
81.4
13.12
154.9
79.0
14.16
146.2
76.1
15.09

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

75
85
95
105
115

72
181.0
91.4
11.32
174.2
89.6
12.31
166.8
87.0
13.30
158.8
84.5
14.31
150.5
81.7
15.30

Air Entering Evaporator — Cfm/BF
4500/0.09
5000/0.10
Air Entering Evaporator — Ewb (F)
67
62
72
67
167.5
154.2
182.9
170.2
116.2
140.3
94.2
122.2
11.00
10.69
11.37
11.07
160.7
147.0
176.9
163.0
113.9
137.0
92.7
119.7
11.94
11.58
12.39
12.01
153.5
139.1
169.5
155.7
111.1
133.2
90.7
117.3
12.89
12.46
13.40
12.97
145.4
130.2
160.9
147.6
108.2
128.1
87.8
114.3
13.82
13.35
14.38
13.91
137.0
122.4
152.3
139.4
105.2
122.3
85.0
111.6
14.76
14.25
15.37
14.87

72
167.3
84.5
10.31
162.6
83.1
11.45
157.2
81.8
12.68
150.7
79.6
13.92
142.1
76.7
15.12
132.8
73.7
16.43

Air Entering Evaporator — Cfm/BF
4300/0.09
5000/0.11
Air Entering Evaporator — Ewb
67
62
72
67
155.3
142.6
170.9
158.2
108.1
130.0
88.9
115.9
10.05
9.78
10.42
10.12
150.2
137.4
166.3
153.0
106.3
128.0
88.3
114.1
11.14
10.87
11.58
11.20
144.6
129.3
159.9
147.6
104.5
124.1
86.3
112.5
12.36
12.04
12.75
12.44
137.2
119.1
153.3
140.4
101.9
118.2
84.4
110.6
13.58
13.24
14.01
13.69
124.2
109.1
145.5
127.5
97.0
109.1
82.1
105.7
14.80
15.24
15.24
14.90
109.7
135.5
135.5
112.7
91.5
99.2
79.0
99.9
16.00
15.79
16.52
16.11

3750/0.08
67
162.2
107.3
10.85
155.7
104.8
11.78
148.9
102.0
12.72
141.3
99.2
13.66
132.2
95.7
14.57

62
149.2
128.0
10.57
140.6
124.0
11.42
132.0
119.8
12.28
123.0
115.5
13.17
113.1
110.3
14.07

6250/0.12
62
156.4
146.5
10.73
149.7
143.6
11.63
142.8
140.2
12.56
135.0
134.9
13.48
127.8
127.7
14.43

72
187.2
102.1
11.49
181.5
100.9
12.53
173.2
98.3
13.54
165.3
96.6
14.58
155.2
92.9
15.49

67
174.7
135.3
11.19
167.3
133.4
12.14
159.5
130.8
13.11
151.2
127.8
14.07
142.7
125.0
15.02

62
161.8
160.7
10.87
155.8
155.6
11.82
149.6
149.6
12.78
143.2
143.1
13.77
136.0
135.8
14.73

580F151 (121/2 TONS)
Temp (F)
Air Entering
Condenser
(Edb)

3750/0.08
72
164.6
81.3
10.24
159.9
79.7
11.38
154.2
77.9
12.59
147.8
75.4
13.84
139.7
72.5
15.03
130.5
69.8
16.32

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

75
85
95
105
115
125

67
152.0
101.9
9.96
147.1
99.9
11.05
141.5
98.0
12.26
134.2
95.2
13.48
120.4
89.8
14.70
107.0
84.4
15.91

62
139.9
121.7
9.71
133.6
119.1
10.82
124.4
114.8
11.95
114.0
109.5
13.12
102.8
102.6
14.34
92.5
92.4
15.67

—
—
—
—
—
—
—
—

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb

=

Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)

hlwb

=

hewb

–

72
173.9
96.7
10.50
169.5
96.1
11.66
164.0
94.4
12.88
156.4
92.2
14.06
148.4
90.4
15.35
138.2
87.7
16.59

BYPASS
FACTOR
(BF)

79
81

67
162.0
128.7
10.23
156.8
127.4
11.32
150.9
125.8
12.54
143.7
124.0
13.80
133.2
120.1
15.04
121.1
114.6
16.21

.05
.10
.20
.30

1.04
.98
.87
.76

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07 3.11 4.14 5.18
1.96 2.94 3.92 4.90
Use formula
1.74 2.62 3.49 4.36 shown below.
1.53 2.29 3.05 3.82

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

total capacity (Btuh)
4.5 x cfm

Where: hewb = Enthalpy of air entering evaporator coil.

62
146.2
139.8
9.84
141.3
137.7
10.97
134.5
133.8
12.15
136.4
126.5
13.37
117.1
116.6
14.65
105.0
104.9
15.97

62
151.0
150.8
9.95
147.1
146.9
11.08
142.3
142.2
12.31
136.7
136.6
13.58
128.1
128.0
14.86
118.3
118.3
16.10

3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

Standard Ratings
BF
Edb
Ewb
kW
Ldb
Lwb
SHC
TC

6250/0.13

40

PERFORMANCE DATA (cont)

580F036 (3 TONS) — STANDARD MOTOR (DIRECT DRIVE)
Low Speed
Airflow
208 V
(Cfm)
ESP
Bhp
Watts
ESP
900
0.49
0.21
253
0.50
1000
0.42
0.23
270
0.43
1100
0.37
0.24
287
0.38
1200
0.33
0.26
304
0.33
1300
0.27
0.27
321
0.28
1400
0.20
0.29
338
0.23
1500
0.16
0.30
355
0.18
Bhp
ESP

—
—

High Speed
230, 460, 575 V
Bhp
Watts
0.23
277
0.25
292
0.26
307
0.27
323
0.29
338
0.30
354
0.31
369

LEGEND
Brake Horsepower Input to Fan
External Static Pressure (in. wg)

ESP
0.51
0.43
0.39
0.34
0.28
0.25
0.20

208 V
Bhp
0.26
0.27
0.28
0.29
0.31
0.32
0.33

Watts
307
321
335
349
364
378
392

ESP
0.55
0.51
0.46
0.40
0.34
—
—

230, 460, 575 V
Bhp
Watts
0.31
363
0.32
374
0.33
385
0.34
397
0.34
408
—
—
—
—

See page 74 for general fan performance notes.

580F036 (3 TONS) — ALTERNATE MOTOR (BELT DRIVE)*
Airflow
(Cfm)
900
1000
1100
1200
1300
1400
1500

Rpm
643
683
725
767
811
855
900

0.2
Bhp
0.15
0.19
0.24
0.29
0.35
0.43
0.51

Watts
152
191
237
291
352
423
504

Rpm
768
804
842
880
920
960
1002

0.4
Bhp
0.22
0.27
0.32
0.38
0.45
0.53
0.62

Watts
222
268
321
382
451
529
617

External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
Rpm
870
0.30
296
958
904
0.35
348
991
939
0.41
407
1025
976
0.48
474
1060
1013
0.55
550
1095
1051
0.64
636
1132
1090
0.74
731
1169

0.8
Bhp
0.37
0.43
0.50
0.57
0.66
0.75
0.85

Watts
373
430
496
570
652
744
846

Rpm
1037
1069
1102
1136
1170
1205
1242

1.0
Bhp
0.46
0.52
0.59
0.67
0.76
0.86
0.97

Watts
454
517
588
668
756
855
963

Watts
627
700
781
872
972
1082
—

External Static Pressure (in. wg)
1.6
Rpm
Bhp
Watts
Rpm
1239
0.72
718
1298
1269
0.80
796
1328
1300
0.89
883
1358
1332
0.98
979
1389
1364
1.09
1084
—
—
—
—
—
—
—
—
—

1.8
Bhp
0.82
0.90
0.99
1.09
—
—
—

Watts
813
895
987
1088
—
—
—

Rpm
1355
1384
1414
—
—
—
—

2.0
Bhp
0.92
1.00
1.10
—
—
—
—

Watts
911
998
1094
—
—
—
—

580F036 (3 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
900
1000
1100
1200
1300
1400
1500
Bhp
Watts

Rpm
1110
1141
1173
1205
1239
1273
1309

1.2
Bhp
0.54
0.61
0.69
0.77
0.87
0.97
1.09

Watts
538
607
683
768
863
967
1082

Rpm
1177
1207
1238
1270
1303
1337
—

1.4
Bhp
0.63
0.70
0.79
0.88
0.98
1.09
—

LEGEND
— Brake Horsepower Input to Fan
— Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.
3. See page 74 for general fan performance notes.

*Motor drive range: 685 to 1045 rpm. All other rpms require a field-supplied drive.

580F036 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
900
1000
1100
1200
1300
1400
1500

Rpm
643
683
725
767
811
855
900

0.2
Bhp
0.15
0.19
0.24
0.29
0.35
0.43
0.51

Watts
152
191
237
291
352
423
504

Rpm
768
804
842
880
920
960
1002

0.4
Bhp
0.22
0.27
0.32
0.38
0.45
0.53
0.62

Watts
222
268
321
382
451
529
617

External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
Rpm
870
0.30
296
958
904
0.35
348
991
939
0.41
407
1025
976
0.48
474
1060
1013
0.55
550
1095
1051
0.64
636
1132
1090
0.74
731
1169

0.8
Bhp
0.37
0.43
0.50
0.57
0.66
0.75
0.85

Watts
373
430
496
570
652
744
846

Rpm
1037
1069
1102
1136
1170
1205
1242

1.0
Bhp
0.46
0.52
0.59
0.67
0.76
0.86
0.97

Watts
454
517
588
668
756
855
963

1.8
Bhp
0.82
0.90
0.99
1.09
1.21
1.33
1.46

Watts
813
895
987
1088
1199
1320
1453

Rpm
1355
1384
1414
1444
1475
1507
1540

2.0
Bhp
0.92
1.00
1.10
1.21
1.32
1.45
1.59

Watts
911
998
1094
1200
1316
1443
1581

580F036 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)

Airflow
(Cfm)
900
1000
1100
1200
1300
1400
1500
Bhp
Watts

External Static Pressure (in. wg)
1.2

Rpm
1110
1141
1173
1205
1239
1273
1309

Bhp
0.54
0.61
0.69
0.77
0.87
0.97
1.09

Watts
538
607
683
768
863
967
1082

Rpm
1177
1207
1238
1270
1303
1337
1371

1.4
Bhp
0.63
0.70
0.79
0.88
0.98
1.09
1.21

Watts
627
700
781
872
972
1082
1204

Rpm
1239
1269
1300
1332
1364
1397
1430

1.6
Bhp
0.72
0.80
0.89
0.98
1.09
1.21
1.33

Watts
718
796
883
979
1084
1200
1327

Rpm
1298
1328
1358
1389
1421
1453
1486

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for general fan performance notes.

LEGEND
— Brake Horsepower Input to Fan
— Input Watts to Motor

*Motor drive range: 1075 to 1455 rpm. All other rpms require a field-supplied
drive.

41

580F036-151

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS

580F036-151

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
580F048 (4 TONS) — STANDARD MOTOR (DIRECT DRIVE)
Low Speed
Airflow
208 V
(Cfm)
ESP
Bhp
Watts
ESP
1200
0.68
0.41
458
0.74
1300
0.61
0.42
471
0.67
1400
0.53
0.45
503
0.59
1500
0.45
0.47
536
0.51
1600
0.36
0.49
557
0.42
1700
0.26
0.52
584
0.32
1800
0.15
0.54
610
0.22
1900
0.04
0.56
629
0.11
2000
—
—
—
—

High Speed
230, 460, 575 V
Bhp
Watts
0.45
506
0.46
521
0.49
556
0.52
593
0.54
616
0.57
646
0.60
674
0.62
696
—
—

LEGEND
— Brake Horsepower Input to Fan
— External Static Pressure (in. wg)

Bhp
ESP

ESP
0.74
0.66
0.59
0.52
0.45
0.37
0.30
0.23
0.16

208 V
Bhp
0.51
0.52
0.54
0.56
0.58
0.60
0.62
0.64
0.66

Watts
572
589
616
631
654
678
698
720
744

ESP
0.85
0.78
0.70
0.63
0.56
0.48
0.41
0.34
0.26

230, 460, 575 V
Bhp
Watts
0.56
632
0.58
651
0.60
681
0.62
698
0.64
723
0.66
750
0.68
772
0.70
796
0.73
823

See page 74 for general fan performance notes.

580F048 (4 TONS) — ALTERNATE MOTOR (BELT DRIVE)*
Airflow
(Cfm)
1200
1300
1400
1500
1600
1700
1800
1900
2000

Rpm
666
701
737
773
810
847
885
923
962

0.2
Bhp
0.26
0.31
0.36
0.42
0.49
0.57
0.66
0.75
0.85

Watts
257
306
361
422
491
567
652
745
847

Rpm
778
810
842
875
909
943
978
1014
1049

0.4
Bhp
0.37
0.43
0.49
0.57
0.65
0.73
0.83
0.94
1.05

Watts
367
426
491
564
643
730
826
930
1043

External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
Rpm
871
0.47
471
952
901
0.54
540
981
931
0.62
616
1010
963
0.70
699
1040
994
0.79
790
1070
1027
0.89
888
1101
1060
1.00
994
1133
1093
1.11
1109
—
—
—
—
—

0.8
Bhp
0.57
0.65
0.74
0.84
0.94
1.05
1.16
—
—

Watts
572
651
738
831
932
1040
1157
—
—

Rpm
1025
1053
1081
1110
1140
1170
—
—
—

1.0
Bhp
0.67
0.76
0.86
0.96
1.08
1.20
—
—
—

Watts
670
760
856
960
1070
1189
—
—
—

Watts
861
970
1086
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Rpm
Bhp
Watts
Rpm
1213
0.96
955
1268
1239
1.08
1073
1294
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
1.05
1.18
—
—
—
—
—
—
—

Watts
1047
1175
—
—
—
—
—
—
—

Rpm
1321
—
—
—
—
—
—
—
—

2.0
Bhp
1.14
—
—
—
—
—
—
—
—

Watts
1137
—
—
—
—
—
—
—
—

580F048 (4 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
1200
1300
1400
1500
1600
1700
1800
1900
2000
Bhp
Watts

Rpm
1093
1119
1147
1175
—
—
—
—
—

1.2
Bhp
0.77
0.87
0.98
1.09
—
—
—
—
—

Watts
767
866
972
1086
—
—
—
—
—

Rpm
1155
1181
1208
—
—
—
—
—
—

1.4
Bhp
0.87
0.98
1.09
—
—
—
—
—
—

LEGEND
— Brake Horsepower Input to Fan
— Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.
3. See page 74 for general fan performance notes.

*Motor drive range: 770 to 1175 rpm. All other rpms require a field-supplied drive.

580F048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
1200
1300
1400
1500
1600
1700
1800
1900
2000

Rpm
666
701
737
773
810
847
885
923
962

0.2
Bhp
0.26
0.31
0.36
0.42
0.49
0.57
0.66
0.75
0.85

Watts
257
306
361
422
491
567
652
745
847

Rpm
778
810
842
875
909
943
978
1014
1049

0.4
Bhp
0.37
0.43
0.49
0.57
0.65
0.73
0.83
0.94
1.05

Watts
367
426
491
564
643
730
826
930
1043

External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
Rpm
871
0.47
471
952
901
0.54
540
981
931
0.62
616
1010
963
0.70
699
1040
994
0.79
790
1070
1027
0.89
888
1101
1060
1.00
994
1133
1093
1.11
1109
1165
1127
1.24
1233
1198

0.8
Bhp
0.57
0.65
0.74
0.84
0.94
1.05
1.16
1.29
1.42

Watts
572
651
738
831
932
1040
1157
1283
1417

Rpm
1025
1053
1081
1110
1140
1170
1200
1231
1263

1.0
Bhp
0.67
0.76
0.86
0.96
1.08
1.20
1.32
1.46
1.61

Watts
670
760
856
960
1070
1189
1316
1453
1598

Watts
861
970
1086
1209
1340
1480
1627
1784
1950

External Static Pressure (in. wg)
1.6
Rpm
Bhp
Watts
Rpm
1213
0.96
955
1268
1239
1.08
1073
1294
1265
1.21
1199
1320
1292
1.34
1332
1346
1320
1.48
1472
1373
1348
1.63
1622
1401
1376
1.79
1779
1428
1405
1.96
1946
1457
1434
2.13
2123
1486

1.8
Bhp
1.05
1.18
1.32
1.46
1.61
1.77
1.94
2.12
2.31

Watts
1047
1175
1310
1452
1603
1762
1930
2106
2293

Rpm
1321
1346
1371
1397
1424
1451
1479
1506
—

2.0
Bhp
1.14
1.28
1.43
1.58
1.74
1.91
2.09
2.28
—

Watts
1137
1275
1419
1572
1732
1901
2078
2265
—

580F048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
1200
1300
1400
1500
1600
1700
1800
1900
2000
Bhp
Watts

Rpm
1093
1119
1147
1175
1204
1233
1262
1293
1323

1.2
Bhp
0.77
0.87
0.98
1.09
1.21
1.34
1.48
1.63
1.79

Watts
767
866
972
1086
1207
1336
1473
1620
1776

Rpm
1155
1181
1208
1235
1263
1292
1321
1350
1380

1.4
Bhp
0.87
0.98
1.09
1.22
1.35
1.49
1.64
1.79
1.96

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for general fan performance notes.

LEGEND
— Brake Horsepower Input to Fan
— Input Watts to Motor

*Motor drive range: 1075 to 1455 rpm. All other rpms require a field-supplied
drive.

42

PERFORMANCE DATA (cont)

580F060 (5 TONS) — STANDARD MOTOR (DIRECT DRIVE)
Low Speed
Airflow
208 V
230,460,575 V
(Cfm)
ESP
Bhp
Watts
ESP
Bhp
Watts
1500
0.69
0.67
750
1.01
0.71
791
1600
0.49
0.70
780
0.85
0.74
824
1700
0.29
0.73
810
0.70
0.77
857
1800
0.09
0.75
839
0.54
0.80
891
1900
—
—
—
0.39
0.83
924
2000
—
—
—
0.23
0.86
957
2100
—
—
—
0.08
0.89
990
2200
—
—
—
—
—
—
2300
—
—
—
—
—
—
2400
—
—
—
—
—
—
2500
—
—
—
—
—
—
Bhp
ESP

ESP
1.00
0.85
0.70
0.55
0.40
0.25
0.10
—
—
—
—

208 V
Bhp
0.70
0.74
0.77
0.81
0.84
0.88
0.91
—
—
—
—

Medium Speed
230,460,575 V
Watts
ESP
Bhp
Watts
782
1.20
0.76
845
821
1.06
0.79
883
861
0.93
0.83
921
900
0.80
0.86
959
940
0.67
0.90
997
979
0.54
0.93
1035
1018
0.41
0.96
1073
—
0.28
1.00
1111
—
0.15
1.03
1149
—
0.02
1.07
1187
—
—
—
—

LEGEND
— Brake Horsepower Input to Fan
— External Static Pressure (in. wg)

ESP
1.22
1.09
0.97
0.84
0.72
0.59
0.46
0.34
0.21
0.09
—

208 V
Bhp
0.79
0.82
0.85
0.89
0.92
0.95
0.99
1.02
1.06
1.09
—

High Speed
230,460,575 V
Watts
ESP
Bhp
Watts
875
1.28
0.85
949
913
1.17
0.89
988
950
1.06
0.92
1027
988
0.95
0.96
1066
1025
0.84
0.99
1105
1063
0.73
1.03
1144
1101
0.62
1.06
1183
1138
0.51
1.10
1222
1176
0.40
1.13
1261
1213
0.29
1.17
1300
—
0.18
1.20
1340

See page 74 for general fan performance notes.

580F060 (5 TONS) — THREE-PHASE, ALTERNATE MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
Airflow
0.2
0.4
0.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1500
802
0.42
370
912
0.55
489
1006
0.70
624
1088
1600
840
0.49
432
947
0.63
557
1038
0.78
696
1119
1700
878
0.57
502
982
0.71
632
1071
0.87
776
1151
1800
917
0.65
581
1017
0.81
716
1105
0.97
864
1183
1900
956
0.75
668
1053
0.91
808
1139
1.08
961
1216
2000
995
0.86
764
1090
1.02
910
1173
1.20
1067
1249
2100
1035
0.98
869
1127
1.15
1021
1209
1.33
1183
1283
2200
1075
1.11
984
1164
1.29
1141
1244
1.47
1309
1317
2300
1115
1.25
1110
1202
1.43
1273
1280
1.63
1446
1352
2400
1155
1.40
1246
1240
1.59
1415
1316
1.79
1594
1387
2500
1196
1.57
1394
1278
1.77
1569
1353
1.97
1753
1422

0.8
Bhp
0.87
0.95
1.05
1.15
1.27
1.39
1.53
1.68
1.83
2.01
2.19

Watts
773
848
932
1024
1126
1236
1357
1488
1629
1782
1946

Rpm
1163
1193
1224
1255
1287
1319
1351
1385
1418
1452
—

1.0
Bhp
1.05
1.14
1.24
1.35
1.47
1.59
1.74
1.89
2.05
2.23
—

Watts
935
1013
1100
1197
1302
1416
1541
1676
1822
1980
—

580F060 (5 TONS) — THREE-PHASE, ALTERNATE MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1500
1232
1.25
1109
1297
1.46
1295
1357
1.68
1492
1415
1600
1262
1.34
1190
1325
1.55
1379
1385
1.78
1579
1442
1700
1291
1.44
1281
1354
1.66
1472
1414
1.89
1674
1470
1800
1322
1.55
1380
1384
1.77
1575
1443
2.00
1779
1499
1900
1352
1.68
1489
1414
1.90
1687
1472
2.13
1894
1528
2000
1384
1.81
1607
1445
2.04
1808
1502
2.27
2019
—
2100
1415
1.95
1736
1476
2.18
1940
—
—
—
—
2200
1448
2.11
1875
1507
2.35
2083
—
—
—
—
2300
1480
2.28
2025
—
—
—
—
—
—
—
2400
—
—
—
—
—
—
—
—
—
—
2500
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
1.91
2.01
2.12
2.25
2.38
—
—
—
—
—
—

Watts
1700
1788
1887
1994
2112
—
—
—
—
—
—

Rpm
1469
1496
1524
—
—
—
—
—
—
—
—

2.0
Bhp
2.16
2.26
2.37
—
—
—
—
—
—
—
—

Watts
1917
2009
2109
—
—
—
—
—
—
—
—

Bhp
Watts

LEGEND
— Brake Horsepower Input to Fan
— Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for general fan performance notes.

*Motor drive range: 900 to 1300 rpm. All other rpms require a field-supplied drive.

43

580F036-151

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

580F036-151

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

580F060 (5 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500

Rpm
802
840
878
917
956
995
1035
1075
1115
1155
1196

0.2
Bhp
0.42
0.49
0.57
0.65
0.75
0.86
0.98
1.11
1.25
1.40
1.57

Watts
370
432
502
581
668
764
869
984
1110
1246
1394

Rpm
912
947
982
1017
1053
1090
1127
1164
1202
1240
1278

0.4
Bhp
0.55
0.63
0.71
0.81
0.91
1.02
1.15
1.29
1.43
1.59
1.77

Watts
489
557
632
716
808
910
1021
1141
1273
1415
1569

External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
Rpm
1006
0.70
624
1088
1038
0.78
696
1119
1071
0.87
776
1151
1105
0.97
864
1183
1139
1.08
961
1216
1173
1.20
1067
1249
1209
1.33
1183
1283
1244
1.47
1309
1317
1280
1.63
1446
1352
1316
1.79
1594
1387
1353
1.97
1753
1422

0.8
Bhp
0.87
0.95
1.05
1.15
1.27
1.39
1.53
1.68
1.83
2.01
2.19

Watts
773
848
932
1024
1126
1236
1357
1488
1629
1782
1946

Rpm
1163
1193
1224
1255
1287
1319
1351
1385
1418
1452
1486

1.0
Bhp
1.05
1.14
1.24
1.35
1.47
1.59
1.74
1.89
2.05
2.23
2.42

Watts
935
1013
1100
1197
1302
1416
1541
1676
1822
1980
2149

Watts
1295
1379
1472
1575
1687
1808
1940
2083
2237
2403
—

External Static Pressure (in. wg)
1.6
Rpm
Bhp
Watts
Rpm
1357
1.68
1492
1415
1385
1.78
1579
1442
1414
1.89
1674
1470
1443
2.00
1779
1499
1472
2.13
1894
1528
1502
2.27
2019
1557
1533
2.43
2155
1587
1563
2.59
2301
1617
1595
2.77
2459
—
—
—
—
—
—
—
—
—

1.8
Bhp
1.91
2.01
2.12
2.25
2.38
2.52
2.68
2.85
—
—
—

Watts
1700
1788
1887
1994
2112
2240
2378
2528
—
—
—

Rpm
1469
1496
1524
1552
1580
1609
—
—
—
—
—

2.0
Bhp
2.16
2.26
2.37
2.50
2.63
2.78
—
—
—
—
—

Watts
1917
2009
2109
2219
2339
2470
—
—
—
—
—

580F060 (5 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500
Bhp
Watts

Rpm
1232
1262
1291
1322
1352
1384
1415
1448
1480
1513
1547

1.2
Bhp
1.25
1.34
1.44
1.55
1.68
1.81
1.95
2.11
2.28
2.46
2.66

Watts
1109
1190
1281
1380
1489
1607
1736
1875
2025
2187
2360

Rpm
1297
1325
1354
1384
1414
1445
1476
1507
1539
1571
—

1.4
Bhp
1.46
1.55
1.66
1.77
1.90
2.04
2.18
2.35
2.52
2.71
—

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.
3. See page 74 for general fan performance notes.

LEGEND
— Brake Horsepower Input to Fan
— Input Watts to Motor

*Motor drive range: 1300 to 1685 rpm. All other rpms require a field-supplied
drive.

44

PERFORMANCE DATA (cont)

580F072,073 (6 TONS) — STANDARD MOTOR (BELT DRIVE)*
Airflow
(Cfm)
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000

Rpm
967
1007
1048
1090
1131
1173
1215
1258
1300
1343
1386
1429
—

0.2
Bhp
0.65
0.75
0.85
0.97
1.09
1.23
1.38
1.54
1.71
1.90
2.09
2.31
—

Watts
579
663
757
859
970
1091
1223
1365
1518
1683
1860
2050
—

Rpm
1077
1115
1153
1191
1230
1269
1309
1349
1389
1430
1471
—
—

0.4
Bhp
0.81
0.91
1.03
1.15
1.29
1.43
1.59
1.76
1.94
2.14
2.35
—
—

Watts
718
811
913
1023
1143
1273
1413
1564
1726
1899
2085
—
—

External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
Rpm
1172
0.96
856
1257
1208
1.08
957
1291
1244
1.20
1066
1326
1281
1.33
1185
1361
1318
1.48
1313
1397
1355
1.63
1451
1433
1393
1.80
1600
1470
1431
1.98
1759
1506
1470
2.17
1929
1544
1509
2.38
2111
—
—
—
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
1.12
1.24
1.37
1.51
1.67
1.83
2.01
2.20
2.40
—
—
—
—

Watts
993
1101
1219
1345
1481
1627
1784
1951
2130
—
—
—
—

Rpm
1334
1368
1401
1435
1470
1505
1540
—
—
—
—
—
—

1.0
Bhp
1.27
1.40
1.54
1.69
1.86
2.03
2.21
—
—
—
—
—
—

Watts
1130
1246
1371
1505
1649
1803
1967
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Rpm
Bhp
Watts
Rpm
1535
1.74
1548
1595
1567
1.90
1685
1626
1598
2.06
1831
1657
1630
2.24
1986
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
1.90
2.06
2.24
—
—
—
—
—
—
—
—
—
—

Watts
1690
1833
1986
—
—
—
—
—
—
—
—
—
—

Rpm
1652
1682
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
2.06
2.23
—
—
—
—
—
—
—
—
—
—
—

Watts
1833
1983
—
—
—
—
—
—
—
—
—
—
—

580F072,073 (6 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000
Bhp
Watts

Rpm
1406
1438
1471
1504
1538
1572
—
—
—
—
—
—
—

1.2
Bhp
1.43
1.57
1.72
1.87
2.04
2.23
—
—
—
—
—
—
—

Watts
1268
1391
1523
1665
1816
1978
—
—
—
—
—
—
—

Rpm
1473
1504
1536
1569
1602
—
—
—
—
—
—
—
—

1.4
Bhp
1.58
1.73
1.89
2.06
2.23
—
—
—
—
—
—
—
—

Watts
1407
1537
1677
1825
1984
—
—
—
—
—
—
—
—

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for general fan performance notes.

LEGEND
— Brake Horsepower Input to Fan
— Input Watts to Motor

*Motor drive range: 1070 to 1460 rpm. All other rpms require a field-supplied
drive.

580F072,073 (6 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000

Rpm
967
1007
1048
1090
1131
1173
1215
1258
1300
1343
1386
1429
1473

0.2
Bhp
0.65
0.75
0.85
0.97
1.09
1.23
1.38
1.54
1.71
1.90
2.09
2.31
2.54

Watts
579
663
757
859
970
1091
1223
1365
1518
1683
1860
2050
2252

Rpm
1077
1115
1153
1191
1230
1269
1309
1349
1389
1430
1471
1512
1553

0.4
Bhp
0.81
0.91
1.03
1.15
1.29
1.43
1.59
1.76
1.94
2.14
2.35
2.57
2.81

Watts
718
811
913
1023
1143
1273
1413
1564
1726
1899
2085
2283
2494

External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
Rpm
1172
0.96
856
1257
1208
1.08
957
1291
1244
1.20
1066
1326
1281
1.33
1185
1361
1318
1.48
1313
1397
1355
1.63
1451
1433
1393
1.80
1600
1470
1431
1.98
1759
1506
1470
2.17
1929
1544
1509
2.38
2111
1581
1548
2.60
2305
1619
1588
2.83
2512
—
—
—
—
—

0.8
Bhp
1.12
1.24
1.37
1.51
1.67
1.83
2.01
2.20
2.40
2.61
2.84
—
—

Watts
993
1101
1219
1345
1481
1627
1784
1951
2130
2320
2522
—
—

Rpm
1334
1368
1401
1435
1470
1505
1540
1576
1613
1649
—
—
—

1.0
Bhp
1.27
1.40
1.54
1.69
1.86
2.03
2.21
2.41
2.62
2.85
—
—
—

Watts
1130
1246
1371
1505
1649
1803
1967
2142
2329
2527
—
—
—

1.8
Bhp
1.90
2.06
2.24
2.42
2.61
2.82
—
—
—
—
—
—
—

Watts
1690
1833
1986
2149
2321
2504
—
—
—
—
—
—
—

Rpm
1652
1682
1713
1744
1775
—
—
—
—
—
—
—
—

2.0
Bhp
2.06
2.23
2.41
2.60
2.81
—
—
—
—
—
—
—
—

Watts
1833
1983
2142
2312
2491
—
—
—
—
—
—
—
—

580F072,073 (6 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)

Airflow
(Cfm)
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000
Bhp
Watts

Rpm
1406
1438
1471
1504
1538
1572
1607
1642
1677
—
—
—
—

1.2
Bhp
1.43
1.57
1.72
1.87
2.04
2.23
2.42
2.63
2.85
—
—
—
—

Watts
1268
1391
1523
1665
1816
1978
2150
2333
2527
—
—
—
—

Rpm
1473
1504
1536
1569
1602
1635
1669
1704
—
—
—
—
—

1.4
Bhp
1.58
1.73
1.89
2.06
2.23
2.42
2.63
2.84
—
—
—
—
—

Watts
1407
1537
1677
1825
1984
2153
2332
2523
—
—
—
—
—

Rpm
1535
1567
1598
1630
1663
1695
1729
—
—
—
—
—
—

LEGEND
— Brake Horsepower Input to Fan
— Input Watts to Motor

1.6
Bhp
1.74
1.90
2.06
2.24
2.42
2.62
2.83
—
—
—
—
—
—

Watts
1548
1685
1831
1986
2152
2328
2515
—
—
—
—
—
—

Rpm
1595
1626
1657
1688
1720
1753
—
—
—
—
—
—
—

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.
3. See page 74 for general fan performance notes.

*Motor drive range: 1300 to 1685 rpm. All other rpms require a field-supplied
drive.

45

580F036-151

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

580F036-151

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
580F090,091 (71/2 TONS) — STANDARD MOTOR (BELT DRIVE)*
Airflow
(Cfm)
2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm
513
521
535
551
558
566
582
597
613
629
645
662
678
694
711
727
744
752

0.2
Bhp
0.54
0.57
0.63
0.69
0.72
0.76
0.83
0.90
0.98
1.07
1.16
1.26
1.36
1.47
1.59
1.71
1.84
1.91

Watts
505
531
584
642
673
705
771
842
918
999
1085
1176
1272
1374
1482
1596
1716
1778

Rpm
595
601
615
628
635
642
656
670
684
699
713
728
743
758
773
789
804
812

0.4
Bhp
0.76
0.79
0.86
0.93
0.97
1.00
1.08
1.16
1.25
1.35
1.45
1.55
1.66
1.78
1.90
2.03
2.17
2.24

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
713
665
1.01
940
728
741
671
1.04
972
734
802
684
1.11
1038
745
866
696
1.19
1109
757
900
702
1.23
1146
763
935
709
1.27
1183
769
1008
721
1.35
1263
781
1086
734
1.44
1347
793
1169
748
1.54
1436
805
1256
761
1.64
1530
818
1349
775
1.75
1630
831
1448
788
1.86
1734
844
1551
802
1.98
1845
857
1660
816
2.10
1961
—
1775
831
2.23
2082
—
1896
845
2.37
2210
—
2023
—
—
—
—
2089
—
—
—
—

0.8
Bhp
1.27
1.31
1.39
1.47
1.51
1.55
1.65
1.74
1.84
1.95
2.06
2.18
2.31
—
—
—
—
—

Watts
1187
1222
1293
1369
1409
1450
1535
1625
1720
1820
1925
2036
2152
—
—
—
—
—

Rpm
786
791
802
813
818
824
835
847
859
871
883
—
—
—
—
—
—
—

1.0
Bhp
1.56
1.60
1.68
1.77
1.81
1.86
1.95
2.06
2.16
2.28
2.40
—
—
—
—
—
—
—

Watts
1453
1489
1566
1647
1689
1732
1823
1917
2019
2125
2235
—
—
—
—
—
—
—

1.8
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

580F090,091 (71/2 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm
839
844
854
865
870
875
886
897
—
—
—
—
—
—
—
—
—
—

1.2
Bhp
1.86
1.90
1.99
2.08
2.13
2.18
2.28
2.39
—
—
—
—
—
—
—
—
—
—

Watts
1735
1773
1855
1940
1985
2031
2126
2227
—
—
—
—
—
—
—
—
—
—

Rpm
889
893
903
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.4
Bhp
2.18
2.22
2.32
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
2032
—
—
—
—
2073
—
—
—
—
2159
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 590 to 840 rpm. All other rpms require field-supplied
drive.

46

PERFORMANCE DATA (cont)

580F090,091 (71/2 TONS) — ALTERNATE MOTOR (BELT DRIVE)*
Airflow
(Cfm)
2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm
513
521
535
551
558
566
582
597
613
629
645
662
678
694
711
727
744
752

0.2
Bhp
0.54
0.57
0.63
0.69
0.72
0.76
0.83
0.90
0.98
1.07
1.16
1.26
1.36
1.47
1.59
1.71
1.84
1.91

Watts
505
531
584
642
673
705
771
842
918
999
1085
1176
1272
1374
1482
1596
1716
1778

Rpm
595
601
615
628
635
642
656
670
684
699
713
728
743
758
773
789
804
812

0.4
Bhp
0.76
0.79
0.86
0.93
0.97
1.00
1.08
1.16
1.25
1.35
1.45
1.55
1.66
1.78
1.90
2.03
2.17
2.24

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
713
665
1.01
940
728
741
671
1.04
972
734
802
684
1.11
1038
745
866
696
1.19
1109
757
900
702
1.23
1146
763
935
709
1.27
1183
769
1008
721
1.35
1263
781
1086
734
1.44
1347
793
1169
748
1.54
1436
805
1256
761
1.64
1530
818
1349
775
1.75
1630
831
1448
788
1.86
1734
844
1551
802
1.98
1845
857
1660
816
2.10
1961
—
1775
831
2.23
2082
—
1896
845
2.37
2210
—
2023
—
—
—
—
2089
—
—
—
—

0.8
Bhp
1.27
1.31
1.39
1.47
1.51
1.55
1.65
1.74
1.84
1.95
2.06
2.18
2.31
—
—
—
—
—

Watts
1187
1222
1293
1369
1409
1450
1535
1625
1720
1820
1925
2036
2152
—
—
—
—
—

Rpm
786
791
802
813
818
824
835
847
859
871
883
—
—
—
—
—
—
—

1.0
Bhp
1.56
1.60
1.68
1.77
1.81
1.86
1.95
2.06
2.16
2.28
2.40
—
—
—
—
—
—
—

Watts
1453
1489
1566
1647
1689
1732
1823
1917
2019
2125
2235
—
—
—
—
—
—
—

1.8
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

580F090,091 (71/2 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm
839
844
854
865
870
875
886
897
—
—
—
—
—
—
—
—
—
—

1.2
Bhp
1.86
1.90
1.99
2.08
2.13
2.18
2.28
2.39
—
—
—
—
—
—
—
—
—
—

Watts
1735
1773
1855
1940
1985
2031
2126
2227
—
—
—
—
—
—
—
—
—
—

Rpm
889
893
903
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.4
Bhp
2.18
2.22
2.32
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
2032
—
—
—
—
2073
—
—
—
—
2159
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 685 to 935 rpm. All other rpms require field-supplied
drive.

47

580F036-151

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

580F036-151

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
580F090,091 (71/2 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm
513
521
535
551
558
566
582
597
613
629
645
662
678
694
711
727
744
752

0.2
Bhp
0.54
0.57
0.63
0.69
0.72
0.76
0.83
0.90
0.98
1.07
1.16
1.26
1.36
1.47
1.59
1.71
1.84
1.91

Watts
505
531
584
642
673
705
771
842
918
999
1085
1176
1272
1374
1482
1596
1716
1778

Rpm
595
601
615
628
635
642
656
670
684
699
713
728
743
758
773
789
804
812

0.4
Bhp
0.76
0.79
0.86
0.93
0.97
1.00
1.08
1.16
1.25
1.35
1.45
1.55
1.66
1.78
1.90
2.03
2.17
2.24

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
713
665
1.01
940
728
741
671
1.04
972
734
802
684
1.11
1038
745
866
696
1.19
1109
757
900
702
1.23
1146
763
935
709
1.27
1183
769
1008
721
1.35
1263
781
1086
734
1.44
1347
793
1169
748
1.54
1436
805
1256
761
1.64
1530
818
1349
775
1.75
1630
831
1448
788
1.86
1734
844
1551
802
1.98
1845
857
1660
816
2.10
1961
870
1775
831
2.23
2082
884
1896
845
2.37
2210
897
2023
860
2.51
2343
911
2089
867
2.59
2413
918

0.8
Bhp
1.27
1.31
1.39
1.47
1.51
1.55
1.65
1.74
1.84
1.95
2.06
2.18
2.31
2.44
2.58
2.72
2.87
2.95

Watts
1187
1222
1293
1369
1409
1450
1535
1625
1720
1820
1925
2036
2152
2275
2402
2537
2677
2750

Rpm
786
791
802
813
818
824
835
847
859
871
883
895
908
920
933
946
959
966

1.0
Bhp
1.56
1.60
1.68
1.77
1.81
1.86
1.95
2.06
2.16
2.28
2.40
2.52
2.65
2.79
2.93
3.09
3.24
3.32

Watts
1453
1489
1566
1647
1689
1732
1823
1917
2019
2125
2235
2352
2475
2603
2737
2877
3023
3100

1.8
Bhp
2.87
2.91
3.02
3.12
3.18
3.23
3.35
3.47
3.60
—
—
—
—
—
—
—
—
—

Watts
2673
2718
2812
2911
2962
3014
3123
3238
3358
—
—
—
—
—
—
—
—
—

Rpm
1022
1027
1035
1044
1049
1054
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
3.23
3.28
3.39
3.50
3.55
3.61
—
—
—
—
—
—
—
—
—
—
—
—

Watts
3015
3062
3159
3261
3315
3370
—
—
—
—
—
—
—
—
—
—
—
—

580F090,091 (71/2 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm
839
844
854
865
870
875
886
897
908
920
931
943
955
967
980
992
1005
—

1.2
Bhp
1.86
1.90
1.99
2.08
2.13
2.18
2.28
2.39
2.50
2.62
2.75
2.88
3.01
3.16
3.31
3.46
3.63
—

Watts
1735
1773
1855
1940
1985
2031
2126
2227
2333
2443
2560
2682
2810
2945
3084
3230
3383
—

Rpm
889
893
903
913
918
923
934
944
955
966
977
989
1000
1012
1024
—
—
—

1.4
Bhp
2.18
2.22
2.32
2.41
2.46
2.51
2.62
2.73
2.85
2.98
3.11
3.25
3.39
3.54
3.69
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
2032
935
2.52
2345
980
2073
940
2.56
2389
984
2159
950
2.66
2478
993
2249
959
2.76
2573
1003
2296
964
2.81
2622
1008
2344
969
2.87
2673
1012
2445
979
2.98
2777
1022
2550
989
3.10
2888
1032
2661
1000
3.22
3003
1042
2777
1010
3.35
3123
—
2899
1021
3.49
3250
—
3026
1032
3.63
3383
—
3159
—
—
—
—
3299
—
—
—
—
3445
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 3.70.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 860 to 1080 rpm. All other rpms require field-supplied
drive.

48

PERFORMANCE DATA (cont)

580F103 (81/2 TONS) — STANDARD MOTOR (BELT DRIVE)*
Airflow
(Cfm)
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750
3800
3900
4000
4100
4200
4250

Rpm
558
566
582
597
613
629
645
662
678
694
711
727
744
752
761
777
794
—
—
—

0.2
Bhp
0.72
0.76
0.83
0.90
0.98
1.07
1.16
1.26
1.36
1.47
1.59
1.71
1.84
1.91
1.98
2.12
2.27
—
—
—

Watts
673
705
771
842
918
999
1085
1176
1272
1374
1482
1596
1716
1778
1842
1974
2113
—
—
—

Rpm
635
642
656
670
684
699
713
728
743
758
773
789
804
812
820
—
—
—
—
—

0.4
Bhp
0.97
1.00
1.08
1.16
1.25
1.35
1.45
1.55
1.66
1.78
1.90
2.03
2.17
2.24
2.31
—
—
—
—
—

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
900
702
1.23
1146
763
935
709
1.27
1183
769
1008
721
1.35
1263
781
1086
734
1.44
1347
793
1169
748
1.54
1436
805
1256
761
1.64
1530
818
1349
775
1.75
1630
831
1448
788
1.86
1734
844
1551
802
1.98
1845
857
1660
816
2.10
1961
—
1775
831
2.23
2082
—
1896
845
2.37
2210
—
2023
—
—
—
—
2089
—
—
—
—
2156
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
1.51
1.55
1.65
1.74
1.84
1.95
2.06
2.18
2.31
—
—
—
—
—
—
—
—
—
—
—

Watts
1409
1450
1535
1625
1720
1820
1925
2036
2152
—
—
—
—
—
—
—
—
—
—
—

Rpm
818
824
835
847
859
871
883
—
—
—
—
—
—
—
—
—
—
—
—
—

1.0
Bhp
1.81
1.86
1.95
2.06
2.16
2.28
2.40
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
1689
1732
1823
1917
2019
2125
2235
—
—
—
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

580F103 (81/2 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750
3800
3900
4000
4100
4200
4250

Rpm
870
875
886
897
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.2
Bhp
2.13
2.18
2.28
2.39
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
1985
2031
2126
2227
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.4
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 685 to 935 rpm. All other rpms require field-supplied
drive.

49

580F036-151

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

580F036-151

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
580F103 (81/2 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750
3800
3900
4000
4100
4200
4250

Rpm
558
566
582
597
613
629
645
662
678
694
711
727
744
752
761
777
794
811
828
837

0.2
Bhp
0.72
0.76
0.83
0.90
0.98
1.07
1.16
1.26
1.36
1.47
1.59
1.71
1.84
1.91
1.98
2.12
2.27
2.42
2.59
2.67

Watts
673
705
771
842
918
999
1085
1176
1272
1374
1482
1596
1716
1778
1842
1974
2113
2259
2412
2490

Rpm
635
642
656
670
684
699
713
728
743
758
773
789
804
812
820
835
851
867
883
891

0.4
Bhp
0.97
1.00
1.08
1.16
1.25
1.35
1.45
1.55
1.66
1.78
1.90
2.03
2.17
2.24
2.31
2.46
2.62
2.78
2.95
3.04

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
900
702
1.23
1146
763
935
709
1.27
1183
769
1008
721
1.35
1263
781
1086
734
1.44
1347
793
1169
748
1.54
1436
805
1256
761
1.64
1530
818
1349
775
1.75
1630
831
1448
788
1.86
1734
844
1551
802
1.98
1845
857
1660
816
2.10
1961
870
1775
831
2.23
2082
884
1896
845
2.37
2210
897
2023
860
2.51
2343
911
2089
867
2.59
2413
918
2156
874
2.66
2484
925
2296
889
2.82
2630
939
2442
904
2.99
2784
953
2595
919
3.16
2944
968
2755
934
3.34
3110
—
2838
942
3.43
3197
—

0.8
Bhp
1.51
1.55
1.65
1.74
1.84
1.95
2.06
2.18
2.31
2.44
2.58
2.72
2.87
2.95
3.03
3.19
3.36
3.54
—
—

Watts
1409
1450
1535
1625
1720
1820
1925
2036
2152
2275
2402
2537
2677
2750
2824
2977
3137
3304
—
—

Rpm
818
824
835
847
859
871
883
895
908
920
933
946
959
966
973
986
—
—
—
—

1.0
Bhp
1.81
1.86
1.95
2.06
2.16
2.28
2.40
2.52
2.65
2.79
2.93
3.09
3.24
3.32
3.41
3.58
—
—
—
—

Watts
1689
1732
1823
1917
2019
2125
2235
2352
2475
2603
2737
2877
3023
3100
3177
3336
—
—
—
—

1.8
Bhp
3.18
3.23
3.35
3.47
3.60
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
2962
3014
3123
3238
3358
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1049
1054
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
3.55
3.61
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
3315
3370
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

580F103 (81/2 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750
3800
3900
4000
4100
4200
4250

Rpm
870
875
886
897
908
920
931
943
955
967
980
992
1005
—
—
—
—
—
—
—

1.2
Bhp
2.13
2.18
2.28
2.39
2.50
2.62
2.75
2.88
3.01
3.16
3.31
3.46
3.63
—
—
—
—
—
—
—

Watts
1985
2031
2126
2227
2333
2443
2560
2682
2810
2945
3084
3230
3383
—
—
—
—
—
—
—

Rpm
918
923
934
944
955
966
977
989
1000
1012
1024
—
—
—
—
—
—
—
—
—

1.4
Bhp
2.46
2.51
2.62
2.73
2.85
2.98
3.11
3.25
3.39
3.54
3.69
—
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
2296
964
2.81
2622
1008
2344
969
2.87
2673
1012
2445
979
2.98
2777
1022
2550
989
3.10
2888
1032
2661
1000
3.22
3003
1042
2777
1010
3.35
3123
—
2899
1021
3.49
3250
—
3026
1032
3.63
3383
—
3159
—
—
—
—
3299
—
—
—
—
3445
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 3.70.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 860 to 1080 rpm. All other rpms require field-supplied
drive.

50

PERFORMANCE DATA (cont)

580F120 (10 TONS) — STANDARD MOTOR (BELT DRIVE)*
Airflow
(Cfm)
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm
726
746
766
786
806
826
846
866
886
907
927
948
968
989
1009
1030
1051
—
—
—
—

0.2
Bhp
0.75
0.81
0.88
0.95
1.03
1.11
1.20
1.29
1.38
1.48
1.58
1.69
1.81
1.93
2.06
2.19
2.32
—
—
—
—

Watts
656
713
773
836
904
975
1050
1129
1212
1299
1391
1487
1588
1694
1804
1919
2039
—
—
—
—

Rpm
793
811
829
847
866
885
904
923
942
961
980
1000
1019
1039
1058
—
—
—
—
—
—

0.4
Bhp
0.94
1.01
1.08
1.16
1.24
1.33
1.42
1.51
1.61
1.72
1.83
1.94
2.06
2.19
2.32
—
—
—
—
—
—

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
822
853
1.14
997
910
883
870
1.21
1062
926
947
887
1.29
1131
942
1016
905
1.37
1204
958
1088
922
1.46
1280
975
1163
940
1.55
1360
991
1243
958
1.65
1444
1008
1327
975
1.75
1532
1025
1415
994
1.85
1625
1043
1507
1012
1.96
1722
1060
1603
1030
2.08
1823
1078
1704
1049
2.20
1928
—
1809
1067
2.32
2038
—
1920
—
—
—
—
2034
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
1.35
1.42
1.51
1.60
1.69
1.78
1.88
1.99
2.10
2.21
2.33
—
—
—
—
—
—
—
—
—
—

Watts
1181
1250
1323
1400
1481
1565
1654
1746
1843
1944
2049
—
—
—
—
—
—
—
—
—
—

Rpm
962
978
993
1008
1024
1040
1056
1073
1089
—
—
—
—
—
—
—
—
—
—
—
—

1.0
Bhp
1.56
1.65
1.74
1.83
1.92
2.03
2.13
2.24
2.36
—
—
—
—
—
—
—
—
—
—
—
—

Watts
1373
1447
1524
1604
1689
1778
1870
1967
2068
—
—
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

580F120 (10 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm
1012
1027
1041
1056
1071
1087
1102
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.2
Bhp
1.79
1.88
1.97
2.07
2.17
2.28
2.39
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
1574
1651
1732
1817
1905
1998
2094
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1060
1073
1088
1102
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.4
Bhp
2.03
2.12
2.22
2.32
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
1781
1105
2.28
1997
—
1863
1118
2.37
2081
—
1947
—
—
—
—
2036
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 685 to 935 rpm. All other rpms require field-supplied
drive.

51

580F036-151

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

580F036-151

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
580F120 (10 TONS) — ALTERNATE MOTOR (BELT DRIVE)*
Airflow
(Cfm)
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm
726
746
766
786
806
826
846
866
886
907
927
948
968
989
1009
1030
1051
1071
1092
1113
—

0.2
Bhp
0.75
0.81
0.88
0.95
1.03
1.11
1.20
1.29
1.38
1.48
1.58
1.69
1.81
1.93
2.06
2.19
2.32
2.47
2.62
2.77
—

Watts
656
713
773
836
904
975
1050
1129
1212
1299
1391
1487
1588
1694
1804
1919
2039
2165
2295
2431
—

Rpm
793
811
829
847
866
885
904
923
942
961
980
1000
1019
1039
1058
1078
1098
1118
1138
—
—

0.4
Bhp
0.94
1.01
1.08
1.16
1.24
1.33
1.42
1.51
1.61
1.72
1.83
1.94
2.06
2.19
2.32
2.45
2.60
2.75
2.90
—
—

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
822
853
1.14
997
910
883
870
1.21
1062
926
947
887
1.29
1131
942
1016
905
1.37
1204
958
1088
922
1.46
1280
975
1163
940
1.55
1360
991
1243
958
1.65
1444
1008
1327
975
1.75
1532
1025
1415
994
1.85
1625
1043
1507
1012
1.96
1722
1060
1603
1030
2.08
1823
1078
1704
1049
2.20
1928
1095
1809
1067
2.32
2038
1113
1920
1086
2.45
2153
1131
2034
1105
2.59
2272
1149
2154
1124
2.73
2397
—
2279
1143
2.88
2527
—
2409
—
—
—
—
2545
—
—
—
—
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
1.35
1.42
1.51
1.60
1.69
1.78
1.88
1.99
2.10
2.21
2.33
2.46
2.59
2.73
2.87
—
—
—
—
—
—

Watts
1181
1250
1323
1400
1481
1565
1654
1746
1843
1944
2049
2159
2274
2393
2517
—
—
—
—
—
—

Rpm
962
978
993
1008
1024
1040
1056
1073
1089
1106
1123
1140
1157
—
—
—
—
—
—
—
—

1.0
Bhp
1.56
1.65
1.74
1.83
1.92
2.03
2.13
2.24
2.36
2.48
2.60
2.73
2.87
—
—
—
—
—
—
—
—

Watts
1373
1447
1524
1604
1689
1778
1870
1967
2068
2173
2283
2397
2516
—
—
—
—
—
—
—
—

1.8
Bhp
2.53
2.63
2.73
2.84
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
2219
2308
2400
2496
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1190
1202
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
2.79
2.89
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
2449
2540
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

580F120 (10 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm
1012
1027
1041
1056
1071
1087
1102
1118
1134
1150
1167
—
—
—
—
—
—
—
—
—
—

1.2
Bhp
1.79
1.88
1.97
2.07
2.17
2.28
2.39
2.50
2.62
2.75
2.88
—
—
—
—
—
—
—
—
—
—

Watts
1574
1651
1732
1817
1905
1998
2094
2195
2300
2410
2524
—
—
—
—
—
—
—
—
—
—

Rpm
1060
1073
1088
1102
1116
1131
1146
1162
1177
—
—
—
—
—
—
—
—
—
—
—
—

1.4
Bhp
2.03
2.12
2.22
2.32
2.43
2.53
2.65
2.77
2.89
—
—
—
—
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
1781
1105
2.28
1997
1148
1863
1118
2.37
2081
1161
1947
1132
2.47
2170
1174
2036
1146
2.58
2262
1188
2128
1160
2.69
2359
—
2225
1174
2.80
2459
—
2326
—
—
—
—
2430
—
—
—
—
2539
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 835 to 1085 rpm. All other rpms require field-supplied
drive.

52

PERFORMANCE DATA (cont)

580F120 (10 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
822
853
1.14
997
910
883
870
1.21
1062
926
947
887
1.29
1131
942
1016
905
1.37
1204
958
1088
922
1.46
1280
975
1163
940
1.55
1360
991
1243
958
1.65
1444
1008
1327
975
1.75
1532
1025
1415
994
1.85
1625
1043
1507
1012
1.96
1722
1060
1603
1030
2.08
1823
1078
1704
1049
2.20
1928
1095
1809
1067
2.32
2038
1113
1920
1086
2.45
2153
1131
2034
1105
2.59
2272
1149
2154
1124
2.73
2397
1168
2279
1143
2.88
2527
1186
2409
1162
3.03
2661
1205
2545
1181
3.19
2801
1223
2685
1201
3.36
2947
1242
2832
1220
3.53
3097
1261

0.8
Bhp
1.35
1.42
1.51
1.60
1.69
1.78
1.88
1.99
2.10
2.21
2.33
2.46
2.59
2.73
2.87
3.01
3.17
3.33
3.49
3.66
3.84

Watts
1181
1250
1323
1400
1481
1565
1654
1746
1843
1944
2049
2159
2274
2393
2517
2646
2780
2919
3064
3214
3369

Rpm
962
978
993
1008
1024
1040
1056
1073
1089
1106
1123
1140
1157
1175
1192
1210
1228
1245
1264
1282
1300

1.0
Bhp
1.56
1.65
1.74
1.83
1.92
2.03
2.13
2.24
2.36
2.48
2.60
2.73
2.87
3.01
3.15
3.31
3.46
3.63
3.80
3.97
4.16

Watts
1373
1447
1524
1604
1689
1778
1870
1967
2068
2173
2283
2397
2516
2640
2768
2901
3040
3184
3333
3487
3647

580F120 (10 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
3000
1012
1.79
1574
1060
2.03
1781
1105
2.28
1997
1148
3100
1027
1.88
1651
1073
2.12
1863
1118
2.37
2081
1161
3200
1041
1.97
1732
1088
2.22
1947
1132
2.47
2170
1174
3300
1056
2.07
1817
1102
2.32
2036
1146
2.58
2262
1188
3400
1071
2.17
1905
1116
2.43
2128
1160
2.69
2359
1201
3500
1087
2.28
1998
1131
2.53
2225
1174
2.80
2459
1215
3600
1102
2.39
2094
1146
2.65
2326
1188
2.92
2563
1229
3700
1118
2.50
2195
1162
2.77
2430
1203
3.04
2672
1243
3800
1134
2.62
2300
1177
2.89
2539
1218
3.17
2785
1258
3900
1150
2.75
2410
1193
3.02
2653
1233
3.31
2902
1273
4000
1167
2.88
2524
1208
3.16
2770
1249
3.45
3024
1287
4100
1183
3.01
2642
1224
3.30
2893
1264
3.59
3151
1302
4200
1200
3.15
2765
1240
3.44
3020
1280
3.74
3282
1318
4300
1216
3.30
2893
1257
3.59
3152
1295
3.89
3418
1333
4400
1233
3.45
3025
1273
3.75
3289
1311
4.05
3559
1349
4500
1250
3.60
3163
1290
3.91
3431
1328
4.22
3705
1364
4600
1268
3.77
3306
1306
4.08
3578
1344
4.39
3856
1380
4700
1285
3.94
3454
1323
4.25
3730
1360
4.57
4013
1396
4800
1303
4.11
3608
1340
4.43
3888
1377
4.76
4175
—
4900
1320
4.29
3766
1357
4.62
4051
1394
4.95
4342
—
5000
1338
4.48
3930
1375
4.81
4219
—
—
—
—

1.8
Bhp
2.53
2.63
2.73
2.84
2.96
3.08
3.20
3.33
3.46
3.60
3.74
3.89
4.04
4.20
4.37
4.54
4.72
4.90
—
—
—

Watts
2219
2308
2400
2496
2595
2699
2808
2920
3036
3158
3284
3414
3549
3690
3834
3985
4140
4300
—
—
—

Rpm
1190
1202
1215
1228
1241
1255
1268
1282
1296
1311
1325
1340
1355
1370
1385
—
—
—
—
—
—

2.0
Bhp
2.79
2.89
3.00
3.12
3.23
3.36
3.48
3.62
3.75
3.90
4.04
4.20
4.36
4.52
4.69
—
—
—
—
—
—

Watts
2449
2540
2636
2735
2839
2946
3058
3174
3295
3420
3549
3683
3823
3967
4116
—
—
—
—
—
—

Airflow
(Cfm)
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm
726
746
766
786
806
826
846
866
886
907
927
948
968
989
1009
1030
1051
1071
1092
1113
1134

0.2
Bhp
0.75
0.81
0.88
0.95
1.03
1.11
1.20
1.29
1.38
1.48
1.58
1.69
1.81
1.93
2.06
2.19
2.32
2.47
2.62
2.77
2.93

Watts
656
713
773
836
904
975
1050
1129
1212
1299
1391
1487
1588
1694
1804
1919
2039
2165
2295
2431
2572

Rpm
793
811
829
847
866
885
904
923
942
961
980
1000
1019
1039
1058
1078
1098
1118
1138
1158
1178

0.4
Bhp
0.94
1.01
1.08
1.16
1.24
1.33
1.42
1.51
1.61
1.72
1.83
1.94
2.06
2.19
2.32
2.45
2.60
2.75
2.90
3.06
3.23

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 5.25.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 830 to 1130 rpm. All other rpms require field-supplied
drive.

53

580F036-151

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

580F036-151

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
580F121 (10 TONS) — STANDARD MOTOR (BELT DRIVE)*

Airflow
(Cfm)
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm
592
607
623
638
653
669
685
700
716
732
748
764
780
796
812
828
—
—
—
—
—

0.2
Bhp
0.77
0.83
0.90
0.98
1.06
1.15
1.23
1.33
1.43
1.53
1.64
1.76
1.88
2.00
2.13
2.27
—
—
—
—
—

Watts
672
731
794
860
931
1005
1084
1167
1254
1345
1441
1542
1648
1758
1874
1994
—
—
—
—
—

Rpm
658
672
686
700
714
728
742
757
771
786
801
816
831
846
861
—
—
—
—
—
—

0.4
Bhp
0.93
1.00
1.08
1.16
1.25
1.34
1.43
1.53
1.64
1.75
1.86
1.98
2.11
2.24
2.38
—
—
—
—
—
—

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
817
719
1.10
961
775
881
731
1.17
1030
787
949
744
1.26
1103
798
1020
757
1.34
1179
810
1095
770
1.44
1260
822
1175
783
1.53
1344
835
1258
796
1.63
1432
847
1346
810
1.74
1524
860
1438
823
1.85
1621
873
1534
837
1.96
1722
886
1635
851
2.08
1828
899
1741
865
2.21
1939
—
1851
879
2.34
2054
—
1966
—
—
—
—
2087
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
1.26
1.34
1.43
1.52
1.62
1.72
1.83
1.94
2.06
2.18
2.30
—
—
—
—
—
—
—
—
—
—

Watts
1105
1179
1257
1338
1423
1512
1606
1703
1805
1911
2022
—
—
—
—
—
—
—
—
—
—

Rpm
828
839
850
861
872
884
895
907
919
932
—
—
—
—
—
—
—
—
—
—
—

1.0
Bhp
1.42
1.51
1.61
1.71
1.81
1.91
2.03
2.14
2.26
2.39
—
—
—
—
—
—
—
—
—
—
—

Watts
1249
1328
1410
1496
1586
1680
1778
1881
1987
2099
—
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
2.07
2.18
2.30
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
1817
1916
2018
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1055
1063
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
2.23
2.35
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
1958
2062
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

580F121 (10 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)

Airflow
(Cfm)
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm
878
888
898
909
919
930
941
952
—
—
—
—
—
—
—
—
—
—
—
—
—

1.2
Bhp
1.59
1.68
1.78
1.88
1.99
2.11
2.22
2.35
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
1391
1475
1563
1654
1749
1848
1951
2058
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
925
935
944
954
964
975
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.4
Bhp
1.75
1.85
1.95
2.06
2.18
2.30
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
1534
970
1.91
1676
1014
1623
979
2.02
1769
1022
1715
988
2.13
1867
1031
1811
998
2.24
1968
—
1911
1007
2.36
2073
—
2015
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

Refer to page 74 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.

*Motor drive range: 685 to 935 rpm. All other rpms require field-supplied
drive.

54

PERFORMANCE DATA (cont)

580F121 (10 TONS) — ALTERNATE MOTOR (BELT DRIVE)*

Airflow
(Cfm)
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm
592
607
623
638
653
669
685
700
716
732
748
764
780
796
812
828
845
861
877
894
—

0.2
Bhp
0.77
0.83
0.90
0.98
1.06
1.15
1.23
1.33
1.43
1.53
1.64
1.76
1.88
2.00
2.13
2.27
2.42
2.57
2.72
2.88
—

Watts
672
731
794
860
931
1005
1084
1167
1254
1345
1441
1542
1648
1758
1874
1994
2120
2251
2388
2531
—

Rpm
658
672
686
700
714
728
742
757
771
786
801
816
831
846
861
877
892
907
—
—
—

0.4
Bhp
0.93
1.00
1.08
1.16
1.25
1.34
1.43
1.53
1.64
1.75
1.86
1.98
2.11
2.24
2.38
2.52
2.67
2.82
—
—
—

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
817
719
1.10
961
775
881
731
1.17
1030
787
949
744
1.26
1103
798
1020
757
1.34
1179
810
1095
770
1.44
1260
822
1175
783
1.53
1344
835
1258
796
1.63
1432
847
1346
810
1.74
1524
860
1438
823
1.85
1621
873
1534
837
1.96
1722
886
1635
851
2.08
1828
899
1741
865
2.21
1939
912
1851
879
2.34
2054
925
1966
894
2.48
2175
939
2087
908
2.62
2299
952
2212
922
2.77
2430
—
2343
—
—
—
—
2479
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
1.26
1.34
1.43
1.52
1.62
1.72
1.83
1.94
2.06
2.18
2.30
2.43
2.57
2.71
2.86
—
—
—
—
—
—

Watts
1105
1179
1257
1338
1423
1512
1606
1703
1805
1911
2022
2137
2257
2382
2512
—
—
—
—
—
—

Rpm
828
839
850
861
872
884
895
907
919
932
944
957
969
—
—
—
—
—
—
—
—

1.0
Bhp
1.42
1.51
1.61
1.71
1.81
1.91
2.03
2.14
2.26
2.39
2.52
2.66
2.80
—
—
—
—
—
—
—
—

Watts
1249
1328
1410
1496
1586
1680
1778
1881
1987
2099
2214
2334
2460
—
—
—
—
—
—
—
—

1.8
Bhp
2.07
2.18
2.30
2.42
2.55
2.68
2.81
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
1817
1916
2018
2124
2234
2348
2466
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1055
1063
1072
1080
1089
1098
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
2.23
2.35
2.47
2.60
2.73
2.86
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
1958
2062
2169
2280
2395
2514
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

580F121 (10 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)

Airflow
(Cfm)
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm
878
888
898
909
919
930
941
952
964
976
987
999
—
—
—
—
—
—
—
—
—

1.2
Bhp
1.59
1.68
1.78
1.88
1.99
2.11
2.22
2.35
2.47
2.60
2.74
2.88
—
—
—
—
—
—
—
—
—

Watts
1391
1475
1563
1654
1749
1848
1951
2058
2170
2286
2407
2532
—
—
—
—
—
—
—
—
—

Rpm
925
935
944
954
964
975
985
996
1007
1018
—
—
—
—
—
—
—
—
—
—
—

1.4
Bhp
1.75
1.85
1.95
2.06
2.18
2.30
2.42
2.55
2.68
2.82
—
—
—
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
1534
970
1.91
1676
1014
1623
979
2.02
1769
1022
1715
988
2.13
1867
1031
1811
998
2.24
1968
1040
1911
1007
2.36
2073
1049
2015
1017
2.49
2182
1058
2123
1027
2.61
2295
1068
2236
1038
2.75
2412
—
2352
1048
2.89
2534
—
2473
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

Refer to page 74 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.

*Motor drive range: 835 to 1085 rpm. All other rpms require field-supplied
drive.

55

580F036-151

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

580F036-151

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
580F121 (10 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
817
719
1.10
961
775
881
731
1.17
1030
787
949
744
1.26
1103
798
1020
757
1.34
1179
810
1095
770
1.44
1260
822
1175
783
1.53
1344
835
1258
796
1.63
1432
847
1346
810
1.74
1524
860
1438
823
1.85
1621
873
1534
837
1.96
1722
886
1635
851
2.08
1828
899
1741
865
2.21
1939
912
1851
879
2.34
2054
925
1966
894
2.48
2175
939
2087
908
2.62
2299
952
2212
922
2.77
2430
966
2343
937
2.92
2566
980
2479
952
3.08
2706
994
2621
966
3.25
2853
1008
2768
981
3.42
3005
1022
2921
996
3.60
3163
1037

0.8
Bhp
1.26
1.34
1.43
1.52
1.62
1.72
1.83
1.94
2.06
2.18
2.30
2.43
2.57
2.71
2.86
3.02
3.18
3.34
3.52
3.69
3.88

Watts
1105
1179
1257
1338
1423
1512
1606
1703
1805
1911
2022
2137
2257
2382
2512
2648
2788
2934
3086
3242
3405

Rpm
828
839
850
861
872
884
895
907
919
932
944
957
969
982
995
1008
1022
1035
1049
1062
1076

1.0
Bhp
1.42
1.51
1.61
1.71
1.81
1.91
2.03
2.14
2.26
2.39
2.52
2.66
2.80
2.95
3.10
3.26
3.43
3.60
3.78
3.96
4.15

Watts
1249
1328
1410
1496
1586
1680
1778
1881
1987
2099
2214
2334
2460
2589
2725
2865
3010
3161
3317
3479
3647

580F121 (10 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
3000
878
1.59
1391
925
1.75
1534
970
1.91
1676
1014
3100
888
1.68
1475
935
1.85
1623
979
2.02
1769
1022
3200
898
1.78
1563
944
1.95
1715
988
2.13
1867
1031
3300
909
1.88
1654
954
2.06
1811
998
2.24
1968
1040
3400
919
1.99
1749
964
2.18
1911
1007
2.36
2073
1049
3500
930
2.11
1848
975
2.30
2015
1017
2.49
2182
1058
3600
941
2.22
1951
985
2.42
2123
1027
2.61
2295
1068
3700
952
2.35
2058
996
2.55
2236
1038
2.75
2412
1078
3800
964
2.47
2170
1007
2.68
2352
1048
2.89
2534
1088
3900
976
2.60
2286
1018
2.82
2473
1059
3.03
2660
1098
4000
987
2.74
2407
1029
2.96
2598
1069
3.18
2790
1108
4100
999
2.88
2532
1041
3.11
2729
1080
3.33
2925
1119
4200
1012
3.03
2662
1052
3.26
2863
1092
3.49
3065
1130
4300
1024
3.19
2796
1064
3.42
3003
1103
3.66
3210
1141
4400
1036
3.35
2937
1076
3.59
3148
1114
3.83
3359
1152
4500
1049
3.51
3082
1088
3.76
3298
1126
4.00
3514
1163
4600
1062
3.68
3232
1100
3.94
3454
1138
4.19
3675
1174
4700
1075
3.86
3387
1113
4.12
3614
1150
4.38
3840
1186
4800
1088
4.04
3549
1125
4.31
3780
1162
4.57
4011
1198
4900
1101
4.23
3716
1138
4.50
3951
1174
4.77
4188
—
5000
1114
4.43
3888
1151
4.70
4129
1187
4.98
4370
—

1.8
Bhp
2.07
2.18
2.30
2.42
2.55
2.68
2.81
2.95
3.09
3.24
3.40
3.56
3.72
3.89
4.07
4.25
4.44
4.63
4.83
—
—

Watts
1817
1916
2018
2124
2234
2348
2466
2588
2715
2846
2981
3121
3266
3415
3570
3730
3895
4065
4241
—
—

Rpm
1055
1063
1072
1080
1089
1098
1107
1117
1126
1136
1146
1156
1167
1177
1188
1199
1210
1221
—
—
—

2.0
Bhp
2.23
2.35
2.47
2.60
2.73
2.86
3.00
3.15
3.30
3.45
3.61
3.78
3.95
4.13
4.31
4.50
4.69
4.89
—
—
—

Watts
1958
2062
2169
2280
2395
2514
2637
2764
2895
3031
3171
3316
3466
3621
3781
3945
4116
4291
—
—
—

Airflow
(Cfm)
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm
592
607
623
638
653
669
685
700
716
732
748
764
780
796
812
828
845
861
877
894
910

0.2
Bhp
0.77
0.83
0.90
0.98
1.06
1.15
1.23
1.33
1.43
1.53
1.64
1.76
1.88
2.00
2.13
2.27
2.42
2.57
2.72
2.88
3.05

Watts
672
731
794
860
931
1005
1084
1167
1254
1345
1441
1542
1648
1758
1874
1994
2120
2251
2388
2531
2679

Rpm
658
672
686
700
714
728
742
757
771
786
801
816
831
846
861
877
892
907
923
938
954

0.4
Bhp
0.93
1.00
1.08
1.16
1.25
1.34
1.43
1.53
1.64
1.75
1.86
1.98
2.11
2.24
2.38
2.52
2.67
2.82
2.99
3.15
3.33

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

Refer to page 74 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 5.25.

*Motor drive range: 830 to 1130 rpm. All other rpms require field-supplied
drive.

56

PERFORMANCE DATA (cont)

580F150,151 (121/2 TONS) — STANDARD MOTOR (BELT DRIVE)*
Airflow
(Cfm)
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000
5100
5200
5300
5400
5500
5600
5700
5800
5900
6000
6100
6200
6300

Rpm
728
744
760
777
793
810
826
843
860
876
893
910
927
944
961
978
995
—
—
—
—
—
—
—
—
—
—

0.2
Bhp
1.36
1.46
1.57
1.68
1.79
1.92
2.04
2.18
2.32
2.46
2.62
2.77
2.94
3.11
3.29
3.48
3.67
—
—
—
—
—
—
—
—
—
—

Watts
1266
1361
1460
1563
1672
1786
1906
2031
2161
2297
2439
2587
2741
2901
3068
3241
3420
—
—
—
—
—
—
—
—
—
—

Rpm
789
804
819
834
850
865
880
896
912
927
943
959
975
991
1007
—
—
—
—
—
—
—
—
—
—
—
—

0.4
Bhp
1.58
1.69
1.80
1.91
2.04
2.16
2.30
2.44
2.58
2.73
2.89
3.06
3.23
3.40
3.59
—
—
—
—
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
1473
848
1.81
1686
904
1572
861
1.92
1790
916
1676
875
2.04
1899
929
1785
889
2.16
2012
942
1899
904
2.29
2132
956
2018
918
2.42
2255
969
2142
932
2.56
2385
983
2272
947
2.70
2520
996
2408
962
2.85
2660
1010
2549
977
3.01
2807
1024
2696
992
3.17
2958
1038
2849
1007
3.34
3116
1053
3008
1022
3.52
3280
—
3173
1037
3.70
3451
—
3345
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
2.04
2.16
2.28
2.41
2.54
2.68
2.82
2.97
3.13
3.29
3.46
3.63
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
1906
2015
2128
2247
2371
2499
2633
2773
2918
3070
3226
3390
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
957
969
981
993
1006
1018
1031
1044
1057
1070
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.0
Bhp
2.29
2.41
2.53
2.67
2.80
2.95
3.10
3.25
3.41
3.58
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
2132
2246
2364
2487
2615
2748
2888
3032
3182
3338
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
3.32
3.46
3.61
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
3094
3226
3362
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1198
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
3.59
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
3348
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

580F150,151 (121/2 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000
5100
5200
5300
5400
5500
5600
5700
5800
5900
6000
6100
6200
6300

Rpm
1008
1019
1031
1042
1054
1066
1078
1090
1103
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.2
Bhp
2.54
2.66
2.79
2.93
3.07
3.22
3.38
3.54
3.70
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
2364
2482
2605
2733
2866
3004
3148
3297
3451
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1058
1068
1079
1090
1101
1112
1123
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.4
Bhp
2.79
2.92
3.06
3.20
3.35
3.50
3.66
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
2602
1106
3.05
2846
1152
2725
1116
3.19
2972
1162
2852
1126
3.33
3104
1171
2984
1136
3.48
3241
—
3122
1146
3.63
3383
—
3264
—
—
—
—
3413
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 3.70.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 860 to 1080 rpm. All other rpms require field-supplied
drive.

57

580F036-151

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)

580F036-151

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
580F150,151 (121/2 TONS) — ALTERNATE MOTOR (BELT DRIVE)*
Airflow
(Cfm)
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000
5100
5200
5300
5400
5500
5600
5700
5800
5900
6000
6100
6200
6300

Rpm
728
744
760
777
793
810
826
843
860
876
893
910
927
944
961
978
995
1012
1029
1046
1063
1080
1098
1115
—
—
—

0.2
Bhp
1.36
1.46
1.57
1.68
1.79
1.92
2.04
2.18
2.32
2.46
2.62
2.77
2.94
3.11
3.29
3.48
3.67
3.87
4.07
4.29
4.51
4.74
4.98
5.22
—
—
—

Watts
1266
1361
1460
1563
1672
1786
1906
2031
2161
2297
2439
2587
2741
2901
3068
3241
3420
3606
3799
3999
4207
4420
4642
4872
—
—
—

Rpm
789
804
819
834
850
865
880
896
912
927
943
959
975
991
1007
1024
1040
1056
1073
1089
1105
1122
—
—
—
—
—

0.4
Bhp
1.58
1.69
1.80
1.91
2.04
2.16
2.30
2.44
2.58
2.73
2.89
3.06
3.23
3.40
3.59
3.78
3.98
4.18
4.39
4.61
4.84
5.08
—
—
—
—
—

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
1473
848
1.81
1686
904
1572
861
1.92
1790
916
1676
875
2.04
1899
929
1785
889
2.16
2012
942
1899
904
2.29
2132
956
2018
918
2.42
2255
969
2142
932
2.56
2385
983
2272
947
2.70
2520
996
2408
962
2.85
2660
1010
2549
977
3.01
2807
1024
2696
992
3.17
2958
1038
2849
1007
3.34
3116
1053
3008
1022
3.52
3280
1067
3173
1037
3.70
3451
1082
3345
1053
3.89
3627
1096
3523
1068
4.09
3811
1111
3707
1084
4.29
4000
1126
3899
1099
4.50
4196
1141
4097
1115
4.72
4400
1156
4302
1131
4.94
4610
—
4515
1146
5.18
4827
—
4734
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
2.04
2.16
2.28
2.41
2.54
2.68
2.82
2.97
3.13
3.29
3.46
3.63
3.82
4.00
4.20
4.40
4.61
4.82
5.05
—
—
—
—
—
—
—
—

Watts
1906
2015
2128
2247
2371
2499
2633
2773
2918
3070
3226
3390
3558
3733
3915
4103
4298
4499
4707
—
—
—
—
—
—
—
—

Rpm
957
969
981
993
1006
1018
1031
1044
1057
1070
1084
1098
1111
1125
1139
1153
1168
1182
—
—
—
—
—
—
—
—
—

1.0
Bhp
2.29
2.41
2.53
2.67
2.80
2.95
3.10
3.25
3.41
3.58
3.75
3.93
4.12
4.31
4.51
4.72
4.93
5.15
—
—
—
—
—
—
—
—
—

Watts
2132
2246
2364
2487
2615
2748
2888
3032
3182
3338
3500
3668
3841
4021
4208
4400
4600
4806
—
—
—
—
—
—
—
—
—

1.8
Bhp
3.32
3.46
3.61
3.76
3.91
4.08
4.24
4.42
4.60
4.79
4.98
5.18
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
3094
3226
3362
3503
3649
3801
3958
4121
4289
4464
4644
4830
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1198
1206
1215
1224
1233
1243
1252
1262
1273
1283
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
3.59
3.74
3.89
4.04
4.20
4.37
4.54
4.72
4.91
5.10
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
3348
3484
3624
3770
3921
4077
4238
4405
4578
4757
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

580F150,151 (121/2 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000
5100
5200
5300
5400
5500
5600
5700
5800
5900
6000
6100
6200
6300

Rpm
1008
1019
1031
1042
1054
1066
1078
1090
1103
1115
1128
1141
1154
1167
1181
1194
—
—
—
—
—
—
—
—
—
—
—

1.2
Bhp
2.54
2.66
2.79
2.93
3.07
3.22
3.38
3.54
3.70
3.87
4.05
4.24
4.43
4.63
4.83
5.04
—
—
—
—
—
—
—
—
—
—
—

Watts
2364
2482
2605
2733
2866
3004
3148
3297
3451
3612
3778
3951
4130
4314
4505
4703
—
—
—
—
—
—
—
—
—
—
—

Rpm
1058
1068
1079
1090
1101
1112
1123
1135
1147
1159
1171
1183
1196
1209
1221
—
—
—
—
—
—
—
—
—
—
—
—

1.4
Bhp
2.79
2.92
3.06
3.20
3.35
3.50
3.66
3.82
4.00
4.17
4.36
4.55
4.74
4.95
5.16
—
—
—
—
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
2602
1106
3.05
2846
1152
2725
1116
3.19
2972
1162
2852
1126
3.33
3104
1171
2984
1136
3.48
3241
1180
3122
1146
3.63
3383
1190
3264
1157
3.79
3530
1200
3413
1167
3.95
3683
1210
3566
1179
4.12
3841
1221
3726
1190
4.29
4005
1232
3891
1201
4.48
4175
1243
4062
1213
4.67
4350
1254
4239
1225
4.86
4532
1265
4422
1237
5.06
4720
—
4611
—
—
—
—
4808
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 5.25.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 830 to 1130 rpm. All other rpms require field-supplied
drive.

58

PERFORMANCE DATA (cont)

580F036 (3 TONS) — STANDARD MOTOR (DIRECT DRIVE)
Low Speed
Airflow
208 V
(Cfm)
ESP
Bhp
Watts
ESP
900
0.54
0.21
253
0.57
1000
0.49
0.23
270
0.51
1100
0.43
0.24
287
0.45
1200
0.39
0.26
304
0.40
1300
0.33
0.27
321
0.35
1400
0.26
0.29
338
0.28
1500
0.21
0.30
355
0.23
Bhp
ESP

—
—

High Speed
230, 460, 575 V
Bhp
Watts
0.23
277
0.25
292
0.26
307
0.27
323
0.29
338
0.30
354
0.31
369

LEGEND
Brake Horsepower Input to Fan
External Static Pressure (in. wg)

ESP
0.55
0.52
0.46
0.38
0.35
0.29
0.24

208 V
Bhp
0.26
0.27
0.28
0.29
0.31
0.32
0.33

Watts
307
321
335
349
364
378
392

ESP
0.60
0.53
0.49
0.43
0.36
—
—

230, 460, 575 V
Bhp
Watts
0.31
363
0.32
374
0.33
385
0.34
397
0.34
408
—
—
—
—

See page 74 for general fan performance notes.

580F036 (3 TONS) — ALTERNATE MOTOR (BELT DRIVE)*
Airflow
(Cfm)
900
1000
1100
1200
1300
1400
1500

Rpm
607
640
674
708
743
780
816

0.2
Bhp
0.14
0.18
0.21
0.26
0.31
0.37
0.43

Watts
142
174
212
256
307
364
428

Rpm
745
775
805
836
868
900
934

0.4
Bhp
0.22
0.26
0.31
0.36
0.42
0.49
0.56

Watts
221
261
307
359
417
483
556

External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
Rpm
856
0.31
304
952
884
0.35
351
978
912
0.41
404
1005
941
0.47
464
1033
971
0.53
530
1062
1002
0.61
603
1091
1033
0.69
685
1121

0.8
Bhp
0.39
0.45
0.51
0.57
0.65
0.73
0.82

Watts
393
446
506
572
645
726
815

Rpm
1037
1062
1089
1116
1143
1172
1201

1.0
Bhp
0.49
0.55
0.61
0.69
0.77
0.86
0.95

Watts
485
545
611
683
764
851
947

Watts
684
754
832
917
1010
1111
—

External Static Pressure (in. wg)
1.6
Rpm
Bhp
Watts
Rpm
1253
0.79
789
1316
1277
0.87
865
1340
1302
0.95
948
1364
1327
1.04
1039
1389
1353
1.14
1138
—
—
—
—
—
—
—
—
—

1.8
Bhp
0.90
0.98
1.07
1.17
—
—
—

Watts
898
979
1068
1165
—
—
—

Rpm
1375
1399
1423
—
—
—
—

2.0
Bhp
1.02
1.10
1.20
—
—
—
—

Watts
1010
1097
1191
—
—
—
—

580F036 (3 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
900
1000
1100
1200
1300
1400
1500
Bhp
Watts

Rpm
1114
1139
1165
1191
1218
1246
1274

1.2
Bhp
0.59
0.65
0.72
0.80
0.89
0.99
1.09

Watts
582
648
720
799
885
980
1083

Rpm
1186
1210
1236
1261
1288
1315
—

1.4
Bhp
0.69
0.76
0.84
0.92
1.02
1.12
—

LEGEND
— Brake Horsepower Input to Fan
— Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.
3. See page 74 for general fan performance notes.

*Motor drive range: 685 to 1045 rpm. All other rpms require a field-supplied drive.

580F036 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
900
1000
1100
1200
1300
1400
1500

Rpm
607
640
674
708
743
780
816

0.2
Bhp
0.14
0.18
0.21
0.26
0.31
0.37
0.43

Watts
142
174
212
256
307
364
428

Rpm
745
775
805
836
868
900
934

0.4
Bhp
0.22
0.26
0.31
0.36
0.42
0.49
0.56

Watts
221
261
307
359
417
483
556

External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
Rpm
856
0.31
304
952
884
0.35
351
978
912
0.41
404
1005
941
0.47
464
1033
971
0.53
530
1062
1002
0.61
603
1091
1033
0.69
685
1121

0.8
Bhp
0.39
0.45
0.51
0.57
0.65
0.73
0.82

Watts
393
446
506
572
645
726
815

Rpm
1037
1062
1089
1116
1143
1172
1201

1.0
Bhp
0.49
0.55
0.61
0.69
0.77
0.86
0.95

Watts
485
545
611
683
764
851
947

Watts
684
754
832
917
1010
1111
1221

External Static Pressure (in. wg)
1.6
Rpm
Bhp
Watts
Rpm
1253
0.79
789
1316
1277
0.87
865
1340
1302
0.95
948
1364
1327
1.04
1039
1389
1353
1.14
1138
1414
1379
1.25
1246
1440
1406
1.37
1362
1467

1.8
Bhp
0.90
0.98
1.07
1.17
1.28
1.39
1.51

Watts
898
979
1068
1165
1270
1383
1505

Rpm
1375
1399
1423
1448
1473
1499
1525

2.0
Bhp
1.02
1.10
1.20
1.30
1.41
1.53
1.66

Watts
1010
1097
1191
1293
1404
1523
1652

580F036 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
900
1000
1100
1200
1300
1400
1500
Bhp
Watts

Rpm
1114
1139
1165
1191
1218
1246
1274

1.2
Bhp
0.59
0.65
0.72
0.80
0.89
0.99
1.09

Watts
582
648
720
799
885
980
1083

Rpm
1186
1210
1236
1261
1288
1315
1342

1.4
Bhp
0.69
0.76
0.84
0.92
1.02
1.12
1.23

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for general fan performance notes.

LEGEND
— Brake Horsepower Input to Fan
— Input Watts to Motor

*Motor drive range: 1075 to 1455 rpm. All other rpms require a field-supplied
drive.

59

580F036-151

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS

580F036-151

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
580F048 (4 TONS) — STANDARD MOTOR (DIRECT DRIVE)
Low Speed
Airflow
208 V
(Cfm)
ESP
Bhp
Watts
ESP
1200
0.75
0.41
458
0.81
1300
0.68
0.42
471
0.74
1400
0.60
0.45
503
0.66
1500
0.51
0.47
536
0.58
1600
0.42
0.49
557
0.49
1700
0.32
0.52
584
0.39
1800
0.21
0.54
610
0.29
1900
0.09
0.56
629
0.18
2000
—
—
—
0.06
Bhp
ESP

—
—

High Speed
230, 460, 575 V
Bhp
Watts
0.45
506
0.46
521
0.49
556
0.52
593
0.54
616
0.57
646
0.60
674
0.62
696
0.65
731

LEGEND
Brake Horsepower Input to Fan
External Static Pressure (in. wg)

ESP
0.87
0.79
0.71
0.64
0.56
0.48
0.41
0.33
0.26

208 V
Bhp
0.51
0.52
0.54
0.56
0.58
0.60
0.62
0.64
0.66

Watts
572
589
616
631
654
678
698
720
744

ESP
0.92
0.85
0.77
0.70
0.63
0.55
0.48
0.41
0.33

230, 460, 575 V
Bhp
Watts
0.56
632
0.58
651
0.60
681
0.62
698
0.64
723
0.66
750
0.68
772
0.70
796
0.73
823

See page 74 for general fan performance notes.

580F048 (4 TONS) — ALTERNATE MOTOR (BELT DRIVE)*
Airflow
(Cfm)
1200
1300
1400
1500
1600
1700
1800
1900
2000

Rpm
643
675
707
740
773
807
841
875
910

0.2
Bhp
0.23
0.28
0.33
0.38
0.45
0.52
0.59
0.68
0.77

Watts
234
277
326
382
444
513
589
674
767

Rpm
762
790
819
849
879
910
942
974
1006

0.4
Bhp
0.34
0.40
0.45
0.52
0.59
0.67
0.75
0.85
0.95

Watts
343
394
452
515
586
663
749
842
944

External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
Rpm
859
0.46
458
944
886
0.52
517
969
913
0.58
581
996
941
0.66
653
1023
970
0.73
731
1050
999
0.82
817
1078
1029
0.91
910
1106
1059
1.02
1012
1135
1090
1.13
1122
—

0.8
Bhp
0.58
0.65
0.72
0.80
0.88
0.98
1.08
1.19
—

Watts
579
644
716
795
880
973
1074
1184
—

Rpm
1020
1044
1070
1096
1123
1150
—
—
—

1.0
Bhp
0.71
0.78
0.86
0.95
1.04
1.14
—
—
—

Watts
705
777
855
941
1034
1134
—
—
—

Watts
974
1058
1149
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Rpm
Bhp
Watts
Rpm
1213
1.12
1115
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—

2.0
Bhp
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—

580F048 (4 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
1200
1300
1400
1500
1600
1700
1800
1900
2000
Bhp
Watts

Rpm
1089
1113
1138
1163
1189
—
—
—
—

1.2
Bhp
0.84
0.92
1.01
1.10
1.20
—
—
—
—

Watts
837
915
1000
1092
1191
—
—
—
—

Rpm
1153
1177
1201
—
—
—
—
—
—

1.4
Bhp
0.98
1.06
1.15
—
—
—
—
—
—

LEGEND
— Brake Horsepower Input to Fan
— Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.
3. See page 74 for general fan performance notes.

*Motor drive range: 770 to 1175 rpm. All other rpms require a field-supplied drive.

580F048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
1200
1300
1400
1500
1600
1700
1800
1900
2000

Rpm
643
675
707
740
773
807
841
875
910

0.2
Bhp
0.23
0.28
0.33
0.38
0.45
0.52
0.59
0.68
0.77

Watts
234
277
326
382
444
513
589
674
767

Rpm
762
790
819
849
879
910
942
974
1006

0.4
Bhp
0.34
0.40
0.45
0.52
0.59
0.67
0.75
0.85
0.95

Watts
343
394
452
515
586
663
749
842
944

External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
Rpm
859
0.46
458
944
886
0.52
517
969
913
0.58
581
996
941
0.66
653
1023
970
0.73
731
1050
999
0.82
817
1078
1029
0.91
910
1106
1059
1.02
1012
1135
1090
1.13
1122
1165

0.8
Bhp
0.58
0.65
0.72
0.80
0.88
0.98
1.08
1.19
1.31

Watts
579
644
716
795
880
973
1074
1184
1302

Rpm
1020
1044
1070
1096
1123
1150
1177
1205
1234

1.0
Bhp
0.71
0.78
0.86
0.95
1.04
1.14
1.25
1.37
1.49

Watts
705
777
855
941
1034
1134
1242
1360
1485

Watts
974
1058
1149
1247
1353
1468
1590
1721
1862

External Static Pressure (in. wg)
1.6
Rpm
Bhp
Watts
Rpm
1213
1.12
1115
1270
1237
1.21
1205
1293
1261
1.31
1303
1317
1285
1.41
1407
1341
1310
1.53
1520
1365
1335
1.65
1640
1390
1361
1.78
1770
1415
1387
1.92
1908
1441
1414
2.07
2055
1467

1.8
Bhp
1.27
1.36
1.47
1.58
1.70
1.83
1.96
2.11
2.26

Watts
1262
1358
1461
1571
1690
1817
1953
2098
2252

Rpm
1324
1347
1370
1394
1418
1442
1467
1493
—

2.0
Bhp
1.42
1.52
1.63
1.75
1.87
2.01
2.15
2.30
—

Watts
1413
1514
1623
1740
1865
1998
2140
2292
—

580F048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
1200
1300
1400
1500
1600
1700
1800
1900
2000
Bhp
Watts

Rpm
1089
1113
1138
1163
1189
1216
1242
1270
1297

1.2
Bhp
0.84
0.92
1.01
1.10
1.20
1.31
1.42
1.55
1.68

Watts
837
915
1000
1092
1191
1299
1414
1538
1672

Rpm
1153
1177
1201
1226
1252
1277
1303
1330
1357

1.4
Bhp
0.98
1.06
1.15
1.25
1.36
1.48
1.60
1.73
1.87

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for general fan performance notes.

LEGEND
— Brake Horsepower Input to Fan
— Input Watts to Motor

*Motor drive range: 1075 to 1455 rpm. All other rpms require a field-supplied
drive.

60

PERFORMANCE DATA (cont)

580F060 (5 TONS) — STANDARD MOTOR (DIRECT DRIVE)
Low Speed
Airflow
208V
230, 460, 575 V
(Cfm)
ESP
Bhp
Watts
ESP
Bhp
Watts
1500
0.74
0.67
750
1.06
0.71
791
1600
0.54
0.70
780
0.90
0.74
824
1700
0.34
0.73
810
0.75
0.77
857
1800
0.14
0.75
839
0.59
0.80
891
1900
—
—
—
0.44
0.83
924
2000
—
—
—
0.28
0.86
957
2100
—
—
—
0.13
0.89
990
2200
—
—
—
—
—
—
2300
—
—
—
—
—
—
2400
—
—
—
—
—
—
2500
—
—
—
—
—
—
Bhp
ESP

—
—

ESP
1.07
0.92
0.77
0.62
0.47
0.32
0.17
0.02
—
—
—

208 V
Bhp
0.70
0.74
0.77
0.81
0.84
0.88
0.91
0.95
—
—
—

Medium Speed
230, 460, 575 V
Watts
ESP
Bhp
Watts
782
1.27
0.76
845
821
1.13
0.79
883
861
1.00
0.83
921
900
0.87
0.86
959
940
0.74
0.90
997
979
0.61
0.93
1035
1018
0.48
0.96
1073
1058
0.35
1.00
1111
—
0.22
1.03
1149
—
0.09
1.07
1187
—
—
—
—

LEGEND
Brake Horsepower Input to Fan
External Static Pressure (in. wg)

ESP
1.26
1.14
1.01
0.89
0.77
0.64
0.51
0.39
0.26
0.14
—

208 V
Bhp
0.79
0.82
0.85
0.88
0.92
0.95
0.99
1.02
1.06
1.09
—

High Speed
230, 460, 575 V
Watts
ESP
Bhp
Watts
875
1.33
0.85
949
913
1.22
0.89
988
950
1.11
0.92
1027
988
1.00
0.96
1066
1025
0.89
0.99
1105
1063
0.78
1.03
1144
1101
0.67
1.06
1183
1138
0.56
1.10
1222
1176
0.45
1.13
1261
1213
0.34
1.17
1300
—
0.23
1.20
1340

See page 74 for general fan performance notes.

580F060 (5 TONS) — THREE-PHASE, ALTERNATE MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
Airflow
0.2
0.4
0.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1500
790
0.40
353
896
0.53
470
990
0.67
599
1074
1600
828
0.46
413
930
0.60
535
1021
0.75
669
1103
1700
866
0.54
479
964
0.68
607
1053
0.84
746
1133
1800
905
0.62
553
1000
0.77
687
1085
0.94
831
1164
1900
944
0.71
635
1036
0.87
775
1119
1.04
924
1195
2000
984
0.82
725
1072
0.98
871
1153
1.15
1025
1227
2100
1024
0.93
824
1109
1.10
976
1188
1.28
1136
1260
2200
1064
1.05
932
1147
1.23
1090
1223
1.41
1256
1294
2300
1105
1.18
1050
1185
1.37
1215
1259
1.56
1386
1328
2400
1146
1.33
1179
1223
1.52
1349
1295
1.72
1527
1362
2500
1187
1.48
1317
1262
1.68
1494
1332
1.89
1677
1398

0.8
Bhp
0.83
0.91
1.01
1.11
1.22
1.34
1.47
1.61
1.76
1.93
2.10

Watts
738
812
894
984
1082
1189
1305
1430
1566
1711
1868

Rpm
1151
1179
1207
1236
1266
1297
1328
1360
1393
1426
1460

1.0
Bhp
1.00
1.09
1.18
1.29
1.41
1.53
1.67
1.81
1.97
2.14
2.33

Watts
886
965
1051
1146
1248
1360
1481
1612
1752
1903
2065

580F060 (5 TONS) — THREE-PHASE, ALTERNATE MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1500
1223
1.18
1045
1291
1.36
1212
1355
1.56
1388
1415
1600
1249
1.27
1127
1316
1.46
1298
1379
1.66
1478
1439
1700
1277
1.37
1217
1342
1.57
1392
1404
1.77
1575
1463
1800
1305
1.48
1316
1369
1.68
1495
1430
1.89
1681
1489
1900
1333
1.60
1423
1397
1.81
1606
1457
2.02
1797
1514
2000
1363
1.73
1540
1425
1.94
1727
1484
2.16
1922
1541
2100
1393
1.87
1665
1454
2.09
1857
1512
2.31
2056
—
2200
1424
2.03
1801
1484
2.25
1997
—
—
—
—
2300
1455
2.19
1946
—
—
—
—
—
—
—
2400
1487
2.37
2103
—
—
—
—
—
—
—
2500
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
1.77
1.87
1.99
2.11
2.25
2.39
—
—
—
—
—

Watts
1573
1665
1766
1876
1995
2124
—
—
—
—
—

Rpm
1473
1496
1520
1545
—
—
—
—
—
—
—

2.0
Bhp
1.99
2.09
2.21
2.34
—
—
—
—
—
—
—

Watts
1765
1860
1965
2078
—
—
—
—
—
—
—

LEGEND

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for general fan performance notes.

Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive range: 900 to 1300 rpm. All other rpms require a field-supplied drive.

61

580F036-151

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

580F036-151

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
580F060 (5 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500

Rpm
790
828
866
905
944
984
1024
1064
1105
1146
1187

0.2
Bhp
0.40
0.46
0.54
0.62
0.71
0.82
0.93
1.05
1.18
1.33
1.48

Watts
353
413
479
553
635
725
824
932
1050
1179
1317

Rpm
896
930
964
1000
1036
1072
1109
1147
1185
1223
1262

0.4
Bhp
0.53
0.60
0.68
0.77
0.87
0.98
1.10
1.23
1.37
1.52
1.68

Watts
470
535
607
687
775
871
976
1090
1215
1349
1494

External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
Rpm
990
0.67
599
1074
1021
0.75
669
1103
1053
0.84
746
1133
1085
0.94
831
1164
1119
1.04
924
1195
1153
1.15
1025
1227
1188
1.28
1136
1260
1223
1.41
1256
1294
1259
1.56
1386
1328
1295
1.72
1527
1362
1332
1.89
1677
1398

0.8
Bhp
0.83
0.91
1.01
1.11
1.22
1.34
1.47
1.61
1.76
1.93
2.10

Watts
738
812
894
984
1082
1189
1305
1430
1566
1711
1868

Rpm
1151
1179
1207
1236
1266
1297
1328
1360
1393
1426
1460

1.0
Bhp
1.00
1.09
1.18
1.29
1.41
1.53
1.67
1.81
1.97
2.14
2.33

Watts
886
965
1051
1146
1248
1360
1481
1612
1752
1903
2065

Watts
1212
1298
1392
1495
1606
1727
1857
1997
2147
2308
2480

External Static Pressure (in. wg)
1.6
Rpm
Bhp
Watts
Rpm
1355
1.56
1388
1415
1379
1.66
1478
1439
1404
1.77
1575
1463
1430
1.89
1681
1489
1457
2.02
1797
1514
1484
2.16
1922
1541
1512
2.31
2056
1568
1541
2.48
2200
1596
1571
2.65
2355
1625
1601
2.84
2521
—
—
—
—
—

1.8
Bhp
1.77
1.87
1.99
2.11
2.25
2.39
2.55
2.71
2.89
—
—

Watts
1573
1665
1766
1876
1995
2124
2262
2411
2570
—
—

Rpm
1473
1496
1520
1545
1570
1596
1622
—
—
—
—

2.0
Bhp
1.99
2.09
2.21
2.34
2.48
2.63
2.79
—
—
—
—

Watts
1765
1860
1965
2078
2200
2333
2475
—
—
—
—

580F060 (5 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500
Bhp
Watts

Rpm
1223
1249
1277
1305
1333
1363
1393
1424
1455
1487
1520

1.2
Bhp
1.18
1.27
1.37
1.48
1.60
1.73
1.87
2.03
2.19
2.37
2.56

Watts
1045
1127
1217
1316
1423
1540
1665
1801
1946
2103
2269

Rpm
1291
1316
1342
1369
1397
1425
1454
1484
1514
1545
1577

1.4
Bhp
1.36
1.46
1.57
1.68
1.81
1.94
2.09
2.25
2.42
2.60
2.79

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.
3. See page 74 for general fan performance notes.

LEGEND
— Brake Horsepower Input to Fan
— Input Watts to Motor

*Motor drive range: 1300 to 1685 rpm. All other rpms require a field-supplied
drive.

62

PERFORMANCE DATA (cont)

580F072,073 (6 TONS) — STANDARD MOTOR (BELT DRIVE)*
Airflow
(Cfm)
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000

Rpm
919
960
1001
1043
1085
1127
1169
1212
1255
1298
1341
1384
—

0.2
Bhp
0.63
0.73
0.84
0.96
1.09
1.23
1.38
1.55
1.73
1.93
2.14
2.36
—

Watts
561
648
744
850
966
1092
1229
1378
1539
1713
1899
2099
—

Rpm
1010
1047
1085
1123
1162
1201
1241
1281
1322
1363
1404
—
—

0.4
Bhp
0.75
0.85
0.96
1.09
1.22
1.37
1.53
1.70
1.89
2.09
2.31
—
—

External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
Rpm
1095
0.87
771
1174
1129
0.98
867
1206
1163
1.09
972
1238
1199
1.22
1086
1271
1235
1.36
1211
1305
1272
1.52
1347
1340
1310
1.68
1493
1375
1348
1.86
1652
1412
1386
2.05
1822
1448
1425
2.26
2005
—
—
—
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
1.00
1.11
1.23
1.37
1.51
1.67
1.84
2.02
2.22
—
—
—
—

Watts
886
986
1095
1213
1342
1482
1633
1796
1970
—
—
—
—

Rpm
1250
1279
1309
1340
1372
1405
1439
1473
1508
—
—
—
—

1.0
Bhp
1.14
1.25
1.38
1.52
1.67
1.83
2.00
2.19
2.39
—
—
—
—

Watts
1008
1111
1224
1346
1479
1623
1778
1945
2124
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
1273
1455
1.59
1415
1518
1381
1479
1.72
1526
1541
1500
1505
1.86
1648
1565
1629
1531
2.00
1780
1591
1769
1559
2.16
1923
1617
1920
1587
2.34
2077
—
2083
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
1.76
1.89
2.03
2.18
2.34
—
—
—
—
—
—
—
—

Watts
1563
1677
1801
1936
2082
—
—
—
—
—
—
—
—

Rpm
1579
1601
1624
1648
—
—
—
—
—
—
—
—
—

2.0
Bhp
1.93
2.06
2.21
2.36
—
—
—
—
—
—
—
—
—

Watts
1718
1834
1961
2098
—
—
—
—
—
—
—
—
—

Watts
663
754
855
965
1086
1217
1359
1513
1678
1857
2048
—
—

580F072,073 (6 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)

Airflow
(Cfm)
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000
Bhp
Watts

Rpm
1321
1348
1377
1406
1437
1468
1500
1533
—
—
—
—
—

1.2
Bhp
1.28
1.40
1.53
1.67
1.83
1.99
2.17
2.36
—
—
—
—
—

Watts
1137
1243
1359
1485
1621
1769
1928
2098
—
—
—
—
—

Rpm
1390
1415
1442
1470
1499
1529
1559
—
—
—
—
—
—

1.4
Bhp
1.43
1.56
1.69
1.83
1.99
2.16
2.35
—
—
—
—
—
—

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for general fan performance notes.

LEGEND
— Brake Horsepower Input to Fan
— Input Watts to Motor

*Motor drive range: 1070 to 1460 rpm. All other rpms require a field-supplied
drive.

580F072,073 (6 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000

Rpm
919
960
1001
1043
1085
1127
1169
1212
1255
1298
1341
1384
1428

0.2
Bhp
0.63
0.73
0.84
0.96
1.09
1.23
1.38
1.55
1.73
1.93
2.14
2.36
2.60

Watts
561
648
744
850
966
1092
1229
1378
1539
1713
1899
2099
2313

Rpm
1010
1047
1085
1123
1162
1201
1241
1281
1322
1363
1404
1445
1487

0.4
Bhp
0.75
0.85
0.96
1.09
1.22
1.37
1.53
1.70
1.89
2.09
2.31
2.54
2.78

Watts
663
754
855
965
1086
1217
1359
1513
1678
1857
2048
2253
2471

External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
Rpm
1095
0.87
771
1174
1129
0.98
867
1206
1163
1.09
972
1238
1199
1.22
1086
1271
1235
1.36
1211
1305
1272
1.52
1347
1340
1310
1.68
1493
1375
1348
1.86
1652
1412
1386
2.05
1822
1448
1425
2.26
2005
1485
1464
2.48
2201
1523
1504
2.71
2410
1561
—
—
—
—

0.8
Bhp
1.00
1.11
1.23
1.37
1.51
1.67
1.84
2.02
2.22
2.43
2.66
2.90
—

Watts
886
986
1095
1213
1342
1482
1633
1796
1970
2158
2358
2572
—

Rpm
1250
1279
1309
1340
1372
1405
1439
1473
1508
1544
1580
—
—

1.0
Bhp
1.14
1.25
1.38
1.52
1.67
1.83
2.00
2.19
2.39
2.61
2.84
—
—

Watts
1008
1111
1224
1346
1479
1623
1778
1945
2124
2315
2520
—
—

External Static Pressure (in. wg)
1.6
Rpm
Bhp
Watts
Rpm
1455
1.59
1415
1518
1479
1.72
1526
1541
1505
1.86
1648
1565
1531
2.00
1780
1591
1559
2.16
1923
1617
1587
2.34
2077
1644
1616
2.53
2243
1672
1647
2.73
2421
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
1.76
1.89
2.03
2.18
2.34
2.52
2.71
—
—
—
—
—
—

Watts
1563
1677
1801
1936
2082
2239
2408
—
—
—
—
—
—

Rpm
1579
1601
1624
1648
1673
1699
1726
—
—
—
—
—
—

2.0
Bhp
1.93
2.06
2.21
2.36
2.53
2.71
2.90
—
—
—
—
—
—

Watts
1718
1834
1961
2098
2246
2406
2579
—
—
—
—
—
—

580F072,073 (6 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000
Bhp
Watts

Rpm
1321
1348
1377
1406
1437
1468
1500
1533
1566
1600
—
—
—

1.2
Bhp
1.28
1.40
1.53
1.67
1.83
1.99
2.17
2.36
2.57
2.79
—
—
—

Watts
1137
1243
1359
1485
1621
1769
1928
2098
2281
2477
—
—
—

Rpm
1390
1415
1442
1470
1499
1529
1559
1591
1623
—
—
—
—

1.4
Bhp
1.43
1.56
1.69
1.83
1.99
2.16
2.35
2.54
2.75
—
—
—
—

Watts
1273
1381
1500
1629
1769
1920
2083
2257
2444
—
—
—
—

LEGEND
— Brake Horsepower Input to Fan
— Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.
3. See page 74 for general fan performance notes.

*Motor drive range: 1300 to 1685 rpm. All other rpms require a field-supplied
drive.

63

580F036-151

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

580F036-151

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
580F090,091 (71/2 TONS) — STANDARD MOTOR (BELT DRIVE)*
Airflow
(Cfm)
2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm
505
513
527
543
550
558
574
589
605
621
637
654
670
686
703
720
736
745

0.2
Bhp
0.52
0.55
0.60
0.66
0.69
0.73
0.80
0.87
0.95
1.03
1.12
1.22
1.32
1.42
1.54
1.66
1.78
1.85

Watts
484
509
561
617
647
677
742
811
885
963
1046
1135
1228
1328
1433
1543
1660
1721

Rpm
586
592
605
618
625
632
645
659
673
688
702
717
732
747
762
777
793
801

0.4
Bhp
0.73
0.76
0.82
0.89
0.92
0.96
1.03
1.11
1.20
1.29
1.39
1.49
1.60
1.71
1.83
1.95
2.09
2.15

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
681
657
0.97
901
722
708
663
1.00
931
727
766
674
1.07
993
738
828
686
1.14
1060
748
860
692
1.17
1095
754
894
698
1.21
1131
759
964
710
1.29
1207
770
1039
723
1.38
1287
782
1119
736
1.47
1372
794
1204
749
1.57
1463
806
1293
762
1.67
1558
818
1388
776
1.78
1658
831
1488
789
1.89
1764
843
1593
803
2.01
1876
856
1705
817
2.14
1993
—
1822
832
2.27
2116
—
1944
—
—
—
—
2008
—
—
—
—

0.8
Bhp
1.22
1.26
1.33
1.41
1.45
1.49
1.58
1.67
1.76
1.87
1.97
2.09
2.21
2.33
—
—
—
—

Watts
1142
1174
1241
1312
1349
1388
1469
1554
1644
1740
1840
1946
2057
2174
—
—
—
—

Rpm
782
787
796
806
811
816
826
837
848
859
871
—
—
—
—
—
—
—

1.0
Bhp
1.50
1.54
1.62
1.70
1.74
1.78
1.88
1.97
2.07
2.18
2.29
—
—
—
—
—
—
—

Watts
1403
1437
1508
1583
1623
1664
1749
1839
1933
2033
2139
—
—
—
—
—
—
—

1.8
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

580F090,091 (71/2 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm
838
842
851
860
865
869
879
889
899
—
—
—
—
—
—
—
—
—

1.2
Bhp
1.81
1.84
1.92
2.01
2.05
2.10
2.19
2.29
2.40
—
—
—
—
—
—
—
—
—

Watts
1683
1719
1793
1873
1914
1957
2046
2140
2239
—
—
—
—
—
—
—
—
—

Rpm
891
895
903
911
916
—
—
—
—
—
—
—
—
—
—
—
—
—

1.4
Bhp
2.12
2.17
2.25
2.34
2.38
—
—
—
—
—
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
1981
—
—
—
—
2019
—
—
—
—
2097
—
—
—
—
2180
—
—
—
—
2223
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 590 to 840 rpm. All other rpms require field-supplied
drive.

64

PERFORMANCE DATA (cont)

580F090,091 (71/2 TONS) — ALTERNATE MOTOR (BELT DRIVE)*
Airflow
(Cfm)
2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm
505
513
527
543
550
558
574
589
605
621
637
654
670
686
703
720
736
745

0.2
Bhp
0.52
0.55
0.60
0.66
0.69
0.73
0.80
0.87
0.95
1.03
1.12
1.22
1.32
1.42
1.54
1.66
1.78
1.85

Watts
484
509
561
617
647
677
742
811
885
963
1046
1135
1228
1328
1433
1543
1660
1721

Rpm
586
592
605
618
625
632
645
659
673
688
702
717
732
747
762
777
793
801

0.4
Bhp
0.73
0.76
0.82
0.89
0.92
0.96
1.03
1.11
1.20
1.29
1.39
1.49
1.60
1.71
1.83
1.95
2.09
2.15

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
681
657
0.97
901
722
708
663
1.00
931
727
766
674
1.07
993
738
828
686
1.14
1060
748
860
692
1.17
1095
754
894
698
1.21
1131
759
964
710
1.29
1207
770
1039
723
1.38
1287
782
1119
736
1.47
1372
794
1204
749
1.57
1463
806
1293
762
1.67
1558
818
1388
776
1.78
1658
831
1488
789
1.89
1764
843
1593
803
2.01
1876
856
1705
817
2.14
1993
—
1822
832
2.27
2116
—
1944
—
—
—
—
2008
—
—
—
—

0.8
Bhp
1.22
1.26
1.33
1.41
1.45
1.49
1.58
1.67
1.76
1.87
1.97
2.09
2.21
2.33
—
—
—
—

Watts
1142
1174
1241
1312
1349
1388
1469
1554
1644
1740
1840
1946
2057
2174
—
—
—
—

Rpm
782
787
796
806
811
816
826
837
848
859
871
—
—
—
—
—
—
—

1.0
Bhp
1.50
1.54
1.62
1.70
1.74
1.78
1.88
1.97
2.07
2.18
2.29
—
—
—
—
—
—
—

Watts
1403
1437
1508
1583
1623
1664
1749
1839
1933
2033
2139
—
—
—
—
—
—
—

1.8
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

580F090,091 (71/2 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm
838
842
851
860
865
869
879
889
899
—
—
—
—
—
—
—
—
—

1.2
Bhp
1.81
1.84
1.92
2.01
2.05
2.10
2.19
2.29
2.40
—
—
—
—
—
—
—
—
—

Watts
1683
1719
1793
1873
1914
1957
2046
2140
2239
—
—
—
—
—
—
—
—
—

Rpm
891
895
903
911
916
—
—
—
—
—
—
—
—
—
—
—
—
—

1.4
Bhp
2.12
2.17
2.25
2.34
2.38
—
—
—
—
—
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
1981
—
—
—
—
2019
—
—
—
—
2097
—
—
—
—
2180
—
—
—
—
2223
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 685 to 935 rpm. All other rpms require field-supplied
drive.

65

580F036-151

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

580F036-151

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
580F090,091 (71/2 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm
505
513
527
543
550
558
574
589
605
621
637
654
670
686
703
720
736
745

0.2
Bhp
0.52
0.55
0.60
0.66
0.69
0.73
0.80
0.87
0.95
1.03
1.12
1.22
1.32
1.42
1.54
1.66
1.78
1.85

Watts
484
509
561
617
647
677
742
811
885
963
1046
1135
1228
1328
1433
1543
1660
1721

Rpm
586
592
605
618
625
632
645
659
673
688
702
717
732
747
762
777
793
801

0.4
Bhp
0.73
0.76
0.82
0.89
0.92
0.96
1.03
1.11
1.20
1.29
1.39
1.49
1.60
1.71
1.83
1.95
2.09
2.15

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
681
657
0.97
901
722
708
663
1.00
931
727
766
674
1.07
993
738
828
686
1.14
1060
748
860
692
1.17
1095
754
894
698
1.21
1131
759
964
710
1.29
1207
770
1039
723
1.38
1287
782
1119
736
1.47
1372
794
1204
749
1.57
1463
806
1293
762
1.67
1558
818
1388
776
1.78
1658
831
1488
789
1.89
1764
843
1593
803
2.01
1876
856
1705
817
2.14
1993
870
1822
832
2.27
2116
883
1944
846
2.41
2245
896
2008
853
2.48
2312
903

0.8
Bhp
1.22
1.26
1.33
1.41
1.45
1.49
1.58
1.67
1.76
1.87
1.97
2.09
2.21
2.33
2.46
2.60
2.75
2.82

Watts
1142
1174
1241
1312
1349
1388
1469
1554
1644
1740
1840
1946
2057
2174
2297
2425
2560
2630

Rpm
782
787
796
806
811
816
826
837
848
859
871
882
894
907
919
932
944
951

1.0
Bhp
1.50
1.54
1.62
1.70
1.74
1.78
1.88
1.97
2.07
2.18
2.29
2.41
2.54
2.67
2.81
2.95
3.10
3.18

Watts
1403
1437
1508
1583
1623
1664
1749
1839
1933
2033
2139
2249
2365
2488
2616
2750
2889
2962

1.8
Bhp
2.82
2.86
2.95
3.05
3.10
3.15
3.25
3.37
3.49
3.61
—
—
—
—
—
—
—
—

Watts
2629
2669
2752
2842
2888
2935
3035
3140
3250
3366
—
—
—
—
—
—
—
—

Rpm
1033
1037
1043
1051
1054
1058
1066
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
3.19
3.24
3.33
3.43
3.48
3.53
3.64
—
—
—
—
—
—
—
—
—
—
—

Watts
2976
3018
3104
3196
3243
3292
3395
—
—
—
—
—
—
—
—
—
—
—

580F090,091 (71/2 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm
838
842
851
860
865
869
879
889
899
910
921
932
943
954
966
978
990
996

1.2
Bhp
1.81
1.84
1.92
2.01
2.05
2.10
2.19
2.29
2.40
2.51
2.63
2.75
2.88
3.02
3.16
3.31
3.47
3.55

Watts
1683
1719
1793
1873
1914
1957
2046
2140
2239
2343
2453
2569
2690
2816
2950
3088
3233
3308

Rpm
891
895
903
911
916
920
929
938
948
958
968
978
989
1000
1011
1022
—
—

1.4
Bhp
2.12
2.17
2.25
2.34
2.38
2.43
2.53
2.64
2.75
2.86
2.98
3.11
3.25
3.39
3.54
3.69
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
1981
941
2.46
2297
988
2019
944
2.51
2336
992
2097
952
2.59
2416
999
2180
960
2.68
2502
1006
2223
964
2.73
2547
1010
2267
968
2.78
2593
1014
2360
976
2.88
2689
1022
2458
985
2.99
2791
1030
2561
994
3.11
2898
1039
2670
1004
3.23
3011
1048
2783
1013
3.35
3128
—
2903
1023
3.49
3252
—
3029
1033
3.63
3382
—
3159
—
—
—
—
3297
—
—
—
—
3442
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 3.70.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 860 to 1080 rpm. All other rpms require field-supplied
drive.

66

PERFORMANCE DATA (cont)

580F103 (81/2 TONS) — STANDARD MOTOR (BELT DRIVE)*
Airflow
(Cfm)
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750
3800
3900
4000
4100
4200
4250

Rpm
550
558
574
589
605
621
637
654
670
686
703
720
736
745
753
770
787
804
—
—

0.2
Bhp
0.69
0.73
0.80
0.87
0.95
1.03
1.12
1.22
1.32
1.42
1.54
1.66
1.78
1.85
1.91
2.05
2.20
2.35
—
—

Watts
647
677
742
811
885
963
1046
1135
1228
1328
1433
1543
1660
1721
1783
1912
2047
2189
—
—

Rpm
625
632
645
659
673
688
702
717
732
747
762
777
793
801
808
824
—
—
—
—

0.4
Bhp
0.92
0.96
1.03
1.11
1.20
1.29
1.39
1.49
1.60
1.71
1.83
1.95
2.09
2.15
2.22
2.37
—
—
—
—

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
860
692
1.17
1095
754
894
698
1.21
1131
759
964
710
1.29
1207
770
1039
723
1.38
1287
782
1119
736
1.47
1372
794
1204
749
1.57
1463
806
1293
762
1.67
1558
818
1388
776
1.78
1658
831
1488
789
1.89
1764
843
1593
803
2.01
1876
856
1705
817
2.14
1993
—
1822
832
2.27
2116
—
1944
—
—
—
—
2008
—
—
—
—
2074
—
—
—
—
2209
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
1.45
1.49
1.58
1.67
1.76
1.87
1.97
2.09
2.21
2.33
—
—
—
—
—
—
—
—
—
—

Watts
1349
1388
1469
1554
1644
1740
1840
1946
2057
2174
—
—
—
—
—
—
—
—
—
—

Rpm
811
816
826
837
848
859
871
—
—
—
—
—
—
—
—
—
—
—
—
—

1.0
Bhp
1.74
1.78
1.88
1.97
2.07
2.18
2.29
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
1623
1664
1749
1839
1933
2033
2139
—
—
—
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

580F103 (81/2 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750
3800
3900
4000
4100
4200
4250

Rpm
865
869
879
889
899
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.2
Bhp
2.05
2.10
2.19
2.29
2.40
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
1914
1957
2046
2140
2239
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
916
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.4
Bhp
2.38
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
2223
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 685 to 935 rpm. All other rpms require field- supplied
drive.

67

580F036-151

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

580F036-151

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
580F103 (81/2 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750
3800
3900
4000
4100
4200
4250

Rpm
550
558
574
589
605
621
637
654
670
686
703
720
736
745
753
770
787
804
821
829

0.2
Bhp
0.69
0.73
0.80
0.87
0.95
1.03
1.12
1.22
1.32
1.42
1.54
1.66
1.78
1.85
1.91
2.05
2.20
2.35
2.51
2.59

Watts
647
677
742
811
885
963
1046
1135
1228
1328
1433
1543
1660
1721
1783
1912
2047
2189
2338
2415

Rpm
625
632
645
659
673
688
702
717
732
747
762
777
793
801
808
824
840
856
872
880

0.4
Bhp
0.92
0.96
1.03
1.11
1.20
1.29
1.39
1.49
1.60
1.71
1.83
1.95
2.09
2.15
2.22
2.37
2.52
2.68
2.85
2.93

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
860
692
1.17
1095
754
894
698
1.21
1131
759
964
710
1.29
1207
770
1039
723
1.38
1287
782
1119
736
1.47
1372
794
1204
749
1.57
1463
806
1293
762
1.67
1558
818
1388
776
1.78
1658
831
1488
789
1.89
1764
843
1593
803
2.01
1876
856
1705
817
2.14
1993
870
1822
832
2.27
2116
883
1944
846
2.41
2245
896
2008
853
2.48
2312
903
2074
861
2.55
2380
910
2209
875
2.70
2522
924
2351
890
2.86
2669
938
2499
905
3.03
2824
952
2655
920
3.20
2986
967
2735
928
3.29
3069
974

0.8
Bhp
1.45
1.49
1.58
1.67
1.76
1.87
1.97
2.09
2.21
2.33
2.46
2.60
2.75
2.82
2.90
3.05
3.22
3.39
3.57
3.66

Watts
1349
1388
1469
1554
1644
1740
1840
1946
2057
2174
2297
2425
2560
2630
2701
2848
3002
3162
3331
3417

Rpm
811
816
826
837
848
859
871
882
894
907
919
932
944
951
957
970
984
—
—
—

1.0
Bhp
1.74
1.78
1.88
1.97
2.07
2.18
2.29
2.41
2.54
2.67
2.81
2.95
3.10
3.18
3.26
3.42
3.59
—
—
—

Watts
1623
1664
1749
1839
1933
2033
2139
2249
2365
2488
2616
2750
2889
2962
3036
3189
3348
—
—
—

1.8
Bhp
3.10
3.15
3.25
3.37
3.49
3.61
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
2888
2935
3035
3140
3250
3366
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1054
1058
1066
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
3.48
3.53
3.64
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
3243
3292
3395
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

580F103 (81/2 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750
3800
3900
4000
4100
4200
4250

Rpm
865
869
879
889
899
910
921
932
943
954
966
978
990
996
1002
—
—
—
—
—

1.2
Bhp
2.05
2.10
2.19
2.29
2.40
2.51
2.63
2.75
2.88
3.02
3.16
3.31
3.47
3.55
3.63
—
—
—
—
—

Watts
1914
1957
2046
2140
2239
2343
2453
2569
2690
2816
2950
3088
3233
3308
3385
—
—
—
—
—

Rpm
916
920
929
938
948
958
968
978
989
1000
1011
1022
—
—
—
—
—
—
—
—

1.4
Bhp
2.38
2.43
2.53
2.64
2.75
2.86
2.98
3.11
3.25
3.39
3.54
3.69
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
2223
964
2.73
2547
1010
2267
968
2.78
2593
1014
2360
976
2.88
2689
1022
2458
985
2.99
2791
1030
2561
994
3.11
2898
1039
2670
1004
3.23
3011
1048
2783
1013
3.35
3128
—
2903
1023
3.49
3252
—
3029
1033
3.63
3382
—
3159
—
—
—
—
3297
—
—
—
—
3442
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 3.70.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 860 to 1080 rpm. All other rpms require field-supplied
drive.

68

PERFORMANCE DATA (cont)

580F120,121 (10 TONS) — STANDARD MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
765
696
1.03
904
757
825
706
1.10
968
766
888
717
1.18
1035
776
955
728
1.26
1106
786
1026
739
1.35
1181
797
1100
750
1.43
1259
807
1179
762
1.53
1341
817
1261
773
1.63
1428
828
1347
785
1.73
1518
839
1438
797
1.84
1613
850
1533
809
1.95
1712
861
1632
821
2.07
1816
873
1736
833
2.19
1924
—
1845
846
2.32
2037
—
1958
—
—
—
—
2077
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
1.19
1.27
1.35
1.44
1.53
1.62
1.72
1.82
1.93
2.04
2.16
2.28
—
—
—
—
—
—
—
—
—

Watts
1048
1115
1186
1261
1340
1422
1508
1598
1693
1791
1894
2002
—
—
—
—
—
—
—
—
—

Rpm
814
823
832
841
851
860
870
880
890
901
911
—
—
—
—
—
—
—
—
—
—

1.0
Bhp
1.36
1.45
1.53
1.62
1.71
1.81
1.91
2.02
2.13
2.25
2.37
—
—
—
—
—
—
—
—
—
—

Watts
1198
1269
1343
1421
1503
1589
1679
1772
1870
1973
2080
—
—
—
—
—
—
—
—
—
—

580F120,121 (10 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
3000
867
1.54
1353
918
1.72
1513
966
1.91
1680
1012
3100
876
1.63
1427
926
1.81
1590
973
2.00
1760
1019
3200
884
1.71
1504
934
1.90
1671
981
2.10
1843
1026
3300
893
1.81
1586
942
2.00
1755
988
2.20
1931
1033
3400
902
1.90
1671
950
2.10
1844
996
2.30
2022
—
3500
911
2.01
1760
959
2.21
1937
—
—
—
—
3600
920
2.11
1854
967
2.32
2033
—
—
—
—
3700
929
2.22
1951
—
—
—
—
—
—
—
3800
939
2.34
2053
—
—
—
—
—
—
—
3900
—
—
—
—
—
—
—
—
—
—
4000
—
—
—
—
—
—
—
—
—
—
4100
—
—
—
—
—
—
—
—
—
—
4200
—
—
—
—
—
—
—
—
—
—
4300
—
—
—
—
—
—
—
—
—
—
4400
—
—
—
—
—
—
—
—
—
—
4500
—
—
—
—
—
—
—
—
—
—
4600
—
—
—
—
—
—
—
—
—
—
4700
—
—
—
—
—
—
—
—
—
—
4800
—
—
—
—
—
—
—
—
—
—
4900
—
—
—
—
—
—
—
—
—
—
5000
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
2.11
2.20
2.30
2.40
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
1852
1934
2020
2111
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1056
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
2.31
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
2029
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Airflow
(Cfm)
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm
555
568
582
595
609
623
636
650
664
678
693
707
721
735
750
764
779
—
—
—
—

0.2
Bhp
0.72
0.78
0.85
0.92
1.00
1.08
1.16
1.25
1.34
1.44
1.55
1.65
1.77
1.89
2.01
2.14
2.28
—
—
—
—

Watts
630
686
745
808
874
945
1019
1097
1179
1266
1356
1451
1551
1656
1764
1879
1998
—
—
—
—

Rpm
629
641
652
664
677
689
702
714
727
740
753
766
779
792
806
819
—
—
—
—
—

0.4
Bhp
0.87
0.94
1.01
1.09
1.17
1.25
1.34
1.44
1.54
1.64
1.75
1.86
1.98
2.10
2.23
2.37
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 685 to 935 rpm. All other rpms require field-supplied
drive.

69

580F036-151

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

580F036-151

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
580F120,121 (10 TONS) — ALTERNATE MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
765
696
1.03
904
757
825
706
1.10
968
766
888
717
1.18
1035
776
955
728
1.26
1106
786
1026
739
1.35
1181
797
1100
750
1.43
1259
807
1179
762
1.53
1341
817
1261
773
1.63
1428
828
1347
785
1.73
1518
839
1438
797
1.84
1613
850
1533
809
1.95
1712
861
1632
821
2.07
1816
873
1736
833
2.19
1924
884
1845
846
2.32
2037
896
1958
858
2.45
2154
908
2077
871
2.59
2276
920
2200
883
2.74
2404
—
2328
896
2.89
2537
—
2462
—
—
—
—
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
1.19
1.27
1.35
1.44
1.53
1.62
1.72
1.82
1.93
2.04
2.16
2.28
2.41
2.54
2.68
2.82
—
—
—
—
—

Watts
1048
1115
1186
1261
1340
1422
1508
1598
1693
1791
1894
2002
2114
2231
2352
2479
—
—
—
—
—

Rpm
814
823
832
841
851
860
870
880
890
901
911
922
933
944
—
—
—
—
—
—
—

1.0
Bhp
1.36
1.45
1.53
1.62
1.71
1.81
1.91
2.02
2.13
2.25
2.37
2.50
2.63
2.77
—
—
—
—
—
—
—

Watts
1198
1269
1343
1421
1503
1589
1679
1772
1870
1973
2080
2191
2307
2428
—
—
—
—
—
—
—

580F120,121 (10 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
3000
867
1.54
1353
918
1.72
1513
966
1.91
1680
1012
3100
876
1.63
1427
926
1.81
1590
973
2.00
1760
1019
3200
884
1.71
1504
934
1.90
1671
981
2.10
1843
1026
3300
893
1.81
1586
942
2.00
1755
988
2.20
1931
1033
3400
902
1.90
1671
950
2.10
1844
996
2.30
2022
1041
3500
911
2.01
1760
959
2.21
1937
1004
2.41
2118
1048
3600
920
2.11
1854
967
2.32
2033
1013
2.53
2217
1056
3700
929
2.22
1951
976
2.43
2134
1021
2.65
2322
1064
3800
939
2.34
2053
985
2.55
2239
1030
2.77
2430
—
3900
949
2.46
2159
995
2.68
2349
1039
2.90
2543
—
4000
959
2.59
2269
1004
2.81
2462
—
—
—
—
4100
969
2.72
2384
—
—
—
—
—
—
—
4200
979
2.85
2504
—
—
—
—
—
—
—
4300
—
—
—
—
—
—
—
—
—
—
4400
—
—
—
—
—
—
—
—
—
—
4500
—
—
—
—
—
—
—
—
—
—
4600
—
—
—
—
—
—
—
—
—
—
4700
—
—
—
—
—
—
—
—
—
—
4800
—
—
—
—
—
—
—
—
—
—
4900
—
—
—
—
—
—
—
—
—
—
5000
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
2.11
2.20
2.30
2.40
2.51
2.62
2.74
2.86
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
1852
1934
2020
2111
2205
2303
2406
2513
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1056
1062
1069
1076
1083
1091
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
2.31
2.41
2.51
2.62
2.73
2.84
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
2029
2114
2203
2295
2393
2494
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Airflow
(Cfm)
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm
555
568
582
595
609
623
636
650
664
678
693
707
721
735
750
764
779
793
808
822
837

0.2
Bhp
0.72
0.78
0.85
0.92
1.00
1.08
1.16
1.25
1.34
1.44
1.55
1.65
1.77
1.89
2.01
2.14
2.28
2.42
2.56
2.72
2.88

Watts
630
686
745
808
874
945
1019
1097
1179
1266
1356
1451
1551
1656
1764
1879
1998
2121
2251
2385
2525

Rpm
629
641
652
664
677
689
702
714
727
740
753
766
779
792
806
819
833
846
860
—
—

0.4
Bhp
0.87
0.94
1.01
1.09
1.17
1.25
1.34
1.44
1.54
1.64
1.75
1.86
1.98
2.10
2.23
2.37
2.51
2.65
2.81
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 835 to 1085 rpm. All other rpms require field-supplied
drive.

70

PERFORMANCE DATA (cont)

580F120,121 (10 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
765
696
1.03
904
757
825
706
1.10
968
766
888
717
1.18
1035
776
955
728
1.26
1106
786
1026
739
1.35
1181
797
1100
750
1.43
1259
807
1179
762
1.53
1341
817
1261
773
1.63
1428
828
1347
785
1.73
1518
839
1438
797
1.84
1613
850
1533
809
1.95
1712
861
1632
821
2.07
1816
873
1736
833
2.19
1924
884
1845
846
2.32
2037
896
1958
858
2.45
2154
908
2077
871
2.59
2276
920
2200
883
2.74
2404
932
2328
896
2.89
2537
944
2462
909
3.05
2674
956
2601
922
3.21
2818
968
2745
935
3.38
2966
981

0.8
Bhp
1.19
1.27
1.35
1.44
1.53
1.62
1.72
1.82
1.93
2.04
2.16
2.28
2.41
2.54
2.68
2.82
2.97
3.13
3.29
3.46
3.63

Watts
1048
1115
1186
1261
1340
1422
1508
1598
1693
1791
1894
2002
2114
2231
2352
2479
2611
2747
2889
3037
3189

Rpm
814
823
832
841
851
860
870
880
890
901
911
922
933
944
955
966
978
989
1001
1013
1024

1.0
Bhp
1.36
1.45
1.53
1.62
1.71
1.81
1.91
2.02
2.13
2.25
2.37
2.50
2.63
2.77
2.91
3.06
3.21
3.37
3.54
3.71
3.89

Watts
1198
1269
1343
1421
1503
1589
1679
1772
1870
1973
2080
2191
2307
2428
2553
2684
2820
2960
3106
3258
3414

580F120,121 (10 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
3000
867
1.54
1353
918
1.72
1513
966
1.91
1680
1012
3100
876
1.63
1427
926
1.81
1590
973
2.00
1760
1019
3200
884
1.71
1504
934
1.90
1671
981
2.10
1843
1026
3300
893
1.81
1586
942
2.00
1755
988
2.20
1931
1033
3400
902
1.90
1671
950
2.10
1844
996
2.30
2022
1041
3500
911
2.01
1760
959
2.21
1937
1004
2.41
2118
1048
3600
920
2.11
1854
967
2.32
2033
1013
2.53
2217
1056
3700
929
2.22
1951
976
2.43
2134
1021
2.65
2322
1064
3800
939
2.34
2053
985
2.55
2239
1030
2.77
2430
1073
3900
949
2.46
2159
995
2.68
2349
1039
2.90
2543
1081
4000
959
2.59
2269
1004
2.81
2462
1048
3.03
2660
1090
4100
969
2.72
2384
1014
2.94
2581
1057
3.17
2782
1098
4200
979
2.85
2504
1024
3.08
2705
1066
3.31
2909
1107
4300
990
3.00
2629
1034
3.23
2833
1076
3.46
3040
1117
4400
1000
3.14
2758
1044
3.38
2966
1085
3.62
3177
1126
4500
1011
3.30
2892
1054
3.54
3104
1095
3.78
3319
1135
4600
1022
3.45
3032
1064
3.70
3247
1105
3.95
3466
1145
4700
1033
3.62
3176
1075
3.87
3395
1115
4.12
3618
1155
4800
1044
3.79
3326
1085
4.04
3549
1126
4.30
3775
1164
4900
1055
3.97
3482
1096
4.22
3708
1136
4.49
3938
1174
5000
1066
4.15
3642
1107
4.41
3873
1146
4.68
4106
1184

1.8
Bhp
2.11
2.20
2.30
2.40
2.51
2.62
2.74
2.86
2.99
3.12
3.26
3.40
3.55
3.71
3.87
4.03
4.20
4.38
4.56
4.75
4.95

Watts
1852
1934
2020
2111
2205
2303
2406
2513
2625
2741
2861
2987
3117
3252
3392
3537
3688
3843
4004
4171
4342

Rpm
1056
1062
1069
1076
1083
1091
1098
1106
1114
1122
1130
1139
1147
1156
1165
1174
1183
1193
1202
1212
1221

2.0
Bhp
2.31
2.41
2.51
2.62
2.73
2.84
2.96
3.09
3.22
3.35
3.49
3.64
3.79
3.95
4.11
4.28
4.46
4.64
4.83
5.02
5.22

Watts
2029
2114
2203
2295
2393
2494
2600
2710
2824
2943
3067
3195
3329
3467
3611
3759
3913
4072
4237
4406
4582

Airflow
(Cfm)
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm
555
568
582
595
609
623
636
650
664
678
693
707
721
735
750
764
779
793
808
822
837

0.2
Bhp
0.72
0.78
0.85
0.92
1.00
1.08
1.16
1.25
1.34
1.44
1.55
1.65
1.77
1.89
2.01
2.14
2.28
2.42
2.56
2.72
2.88

Watts
630
686
745
808
874
945
1019
1097
1179
1266
1356
1451
1551
1656
1764
1879
1998
2121
2251
2385
2525

Rpm
629
641
652
664
677
689
702
714
727
740
753
766
779
792
806
819
833
846
860
873
887

0.4
Bhp
0.87
0.94
1.01
1.09
1.17
1.25
1.34
1.44
1.54
1.64
1.75
1.86
1.98
2.10
2.23
2.37
2.51
2.65
2.81
2.96
3.13

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 5.25.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 830 to 1130 rpm. All other rpms require field-supplied
drive.

71

580F036-151

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

580F036-151

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
580F150,151 (121/2 TONS) — STANDARD MOTOR (BELT DRIVE)*
Airflow
(Cfm)
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000
5100
5200
5300
5400
5500
5600
5700
5800
5900
6000
6100
6200
6300

Rpm
676
690
705
719
734
748
763
778
792
807
822
837
852
867
882
897
912
927
943
958
—
—
—
—
—
—
—

0.2
Bhp
1.19
1.27
1.36
1.45
1.55
1.66
1.76
1.88
1.99
2.12
2.25
2.38
2.52
2.66
2.81
2.97
3.13
3.30
3.47
3.65
—
—
—
—
—
—
—

Watts
1106
1185
1269
1357
1449
1545
1646
1751
1860
1975
2094
2218
2347
2482
2622
2766
2917
3073
3234
3402
—
—
—
—
—
—
—

Rpm
747
760
773
786
799
813
826
840
853
867
881
895
909
923
937
951
966
980
—
—
—
—
—
—
—
—
—

0.4
Bhp
1.42
1.52
1.61
1.71
1.82
1.93
2.04
2.16
2.28
2.41
2.55
2.69
2.83
2.98
3.14
3.30
3.47
3.64
—
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
1328
811
1.66
1552
871
1414
823
1.76
1644
882
1503
835
1.86
1739
894
1597
848
1.97
1838
905
1695
860
2.08
1942
917
1797
872
2.20
2050
928
1903
885
2.32
2162
940
2014
898
2.44
2279
952
2130
910
2.57
2401
964
2250
923
2.71
2527
976
2375
936
2.85
2658
989
2505
949
3.00
2794
1001
2640
963
3.15
2935
1014
2781
976
3.30
3081
1026
2926
989
3.47
3232
—
3077
1003
3.63
3389
—
3233
—
—
—
—
3395
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
1.91
2.01
2.12
2.23
2.35
2.47
2.60
2.73
2.87
3.01
3.15
3.31
3.46
3.63
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
1779
1876
1977
2082
2192
2305
2423
2546
2673
2805
2942
3083
3230
3383
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
927
938
948
959
970
981
992
1004
1015
1027
1038
1050
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.0
Bhp
2.15
2.26
2.38
2.50
2.62
2.75
2.88
3.02
3.16
3.31
3.46
3.62
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
2008
2111
2217
2328
2443
2562
2686
2814
2947
3085
3227
3375
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
3.16
3.30
3.43
3.58
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
2948
3073
3201
3334
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1169
1177
1186
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
3.42
3.56
3.70
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
3189
3319
3452
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

580F150,151 (121/2 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000
5100
5200
5300
5400
5500
5600
5700
5800
5900
6000
6100
6200
6300

Rpm
981
990
1000
1011
1021
1031
1042
1053
1064
1075
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.2
Bhp
2.40
2.52
2.64
2.76
2.89
3.03
3.16
3.31
3.46
3.61
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
2240
2348
2459
2576
2697
2822
2951
3085
3224
3367
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1031
1040
1050
1059
1069
1079
1089
1100
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.4
Bhp
2.65
2.77
2.90
3.03
3.17
3.31
3.45
3.60
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
2473
1079
2.91
2709
1125
2587
1088
3.03
2828
1133
2705
1097
3.17
2951
1142
2826
1106
3.30
3079
1151
2953
1116
3.44
3210
—
3083
1125
3.59
3347
—
3218
—
—
—
—
3357
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 3.70.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 860 to 1080 rpm. All other rpms require field-supplied
drive.

72

PERFORMANCE DATA (cont)

580F150,151 (121/2 TONS) — ALTERNATE MOTOR (BELT DRIVE)*
AIRFLOW
(Cfm)
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000
5100
5200
5300
5400
5500
5600
5700
5800
5900
6000
6100
6200
6300

Rpm
676
690
705
719
734
748
763
778
792
807
822
837
852
867
882
897
912
927
943
958
973
988
1004
1019
1034
1050
1065

0.2
Bhp
1.19
1.27
1.36
1.45
1.55
1.66
1.76
1.88
1.99
2.12
2.25
2.38
2.52
2.66
2.81
2.97
3.13
3.30
3.47
3.65
3.83
4.03
4.22
4.43
4.64
4.86
5.09

Watts
1106
1185
1269
1357
1449
1545
1646
1751
1860
1975
2094
2218
2347
2482
2622
2766
2917
3073
3234
3402
3575
3754
3939
4131
4329
4533
4744

Rpm
747
760
773
786
799
813
826
840
853
867
881
895
909
923
937
951
966
980
994
1009
1023
1038
1052
1067
1082
—
—

0.4
Bhp
1.42
1.52
1.61
1.71
1.82
1.93
2.04
2.16
2.28
2.41
2.55
2.69
2.83
2.98
3.14
3.30
3.47
3.64
3.82
4.01
4.20
4.40
4.60
4.81
5.03
—
—

EXTERNAL STATIC PRESSURE (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
1328
811
1.66
1552
871
1414
823
1.76
1644
882
1503
835
1.86
1739
894
1597
848
1.97
1838
905
1695
860
2.08
1942
917
1797
872
2.20
2050
928
1903
885
2.32
2162
940
2014
898
2.44
2279
952
2130
910
2.57
2401
964
2250
923
2.71
2527
976
2375
936
2.85
2658
989
2505
949
3.00
2794
1001
2640
963
3.15
2935
1014
2781
976
3.30
3081
1026
2926
989
3.47
3232
1039
3077
1003
3.63
3389
1052
3233
1016
3.81
3551
1065
3395
1030
3.99
3719
1078
3563
1044
4.17
3892
1091
3736
1057
4.37
4071
1104
3915
1071
4.56
4256
1117
4100
1085
4.77
4447
1130
4292
1099
4.98
4645
—
4489
1113
5.20
4848
—
4693
—
—
—
—
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
1.91
2.01
2.12
2.23
2.35
2.47
2.60
2.73
2.87
3.01
3.15
3.31
3.46
3.63
3.80
3.97
4.15
4.34
4.53
4.73
4.93
5.14
—
—
—
—
—

Watts
1779
1876
1977
2082
2192
2305
2423
2546
2673
2805
2942
3083
3230
3383
3540
3702
3870
4044
4223
4408
4599
4796
—
—
—
—
—

Rpm
927
938
948
959
970
981
992
1004
1015
1027
1038
1050
1062
1074
1086
1099
1111
1123
1136
1149
—
—
—
—
—
—
—

1.0
Bhp
2.15
2.26
2.38
2.50
2.62
2.75
2.88
3.02
3.16
3.31
3.46
3.62
3.78
3.95
4.13
4.31
4.49
4.69
4.88
5.09
—
—
—
—
—
—
—

Watts
2008
2111
2217
2328
2443
2562
2686
2814
2947
3085
3227
3375
3528
3685
3849
4017
4191
4370
4555
4746
—
—
—
—
—
—
—

1.8
Bhp
3.16
3.30
3.43
3.58
3.72
3.87
4.03
4.19
4.36
4.53
4.71
4.89
5.08
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
2948
3073
3201
3334
3471
3612
3758
3909
4064
4224
4389
4559
4734
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1169
1177
1186
1194
1203
1212
1221
1230
1239
1249
1258
1268
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
3.42
3.56
3.70
3.85
4.00
4.16
4.32
4.49
4.66
4.84
5.02
5.21
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
3189
3319
3452
3591
3733
3880
4031
4187
4348
4514
4684
4860
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

580F150,151 (121/2 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
AIRFLOW
(Cfm)
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000
5100
5200
5300
5400
5500
5600
5700
5800
5900
6000
6100
6200
6300

Rpm
981
990
1000
1011
1021
1031
1042
1053
1064
1075
1086
1097
1109
1120
1132
1144
1155
1167
1179
—
—
—
—
—
—
—
—

1.2
Bhp
2.40
2.52
2.64
2.76
2.89
3.03
3.16
3.31
3.46
3.61
3.77
3.93
4.10
4.28
4.46
4.65
4.84
5.04
5.24
—
—
—
—
—
—
—
—

Watts
2240
2348
2459
2576
2697
2822
2951
3085
3224
3367
3515
3668
3826
3990
4159
4333
4512
4697
4889
—
—
—
—
—
—
—
—

Rpm
1031
1040
1050
1059
1069
1079
1089
1100
1110
1121
1131
1142
1153
1164
1175
1187
1198
—
—
—
—
—
—
—
—
—
—

1.4
Bhp
2.65
2.77
2.90
3.03
3.17
3.31
3.45
3.60
3.76
3.91
4.08
4.25
4.43
4.61
4.79
4.99
5.19
—
—
—
—
—
—
—
—
—
—

EXTERNAL STATIC PRESSURE (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
2473
1079
2.91
2709
1125
2587
1088
3.03
2828
1133
2705
1097
3.17
2951
1142
2826
1106
3.30
3079
1151
2953
1116
3.44
3210
1160
3083
1125
3.59
3347
1169
3218
1135
3.74
3487
1179
3357
1145
3.90
3632
1188
3502
1155
4.06
3782
1198
3650
1165
4.22
3937
1208
3805
1175
4.39
4096
1217
3963
1186
4.57
4260
1228
4128
1196
4.75
4430
1238
4296
1207
4.94
4604
—
4471
1218
5.13
4784
—
4651
—
—
—
—
4836
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 5.25.
3. See page 74 for General Fan Performance Notes.

*Motor drive range: 830 to 1130 rpm. All other rpms require field-supplied
drive.

73

580F036-151

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

580F036-151

PERFORMANCE DATA (cont)
GENERAL NOTES FOR FAN PERFORMANCE DATA TABLES
1. Values include losses for filters, unit casing, and wet coils. See this
page for accessory/FIOP static pressure information.
2. Extensive motor and electrical testing on these units ensures that
the full range of the motor can be utilized with confidence. Using fan
motors up to the wattage ratings shown will not result in nuisance
tripping or premature motor failure. Unit warranty will not be

affected. See Evaporator-Fan Motor Performance table on page 79
for additional information.
3. Use of a field-supplied motor may affect wire sizing. Contact your
Bryant representative for details.
4. Interpolation is permissible. Do not extrapolate. (Belt drive units
only.)

OUTDOOR SOUND POWER (Total Unit)
SOUND
RATING
60 Hz (dB)
81
80
87
82
88
84
87
86

UNIT 580F
036-072
073
090
091, 103
120
121
150
151

OCTAVE BANDS

A-WEIGHTED
(dB)

63

125

250

500

1000

2000

4000

8000

80.5
80.0
86.4
82.0
87.6
84.0
86.4
86.0

56.8
59.1
83.2
62.2
97.6
64.6
83.7
63.7

75.8
68.9
87.4
69.3
90.4
71.7
87.2
69.9

72.4
68.7
83.5
71.5
85.7
73.3
83.4
72.5

72.9
71.9
82.8
74.7
84.8
76.9
82.8
78.2

74.8
74.0
83.0
76.2
83.9
77.6
83.0
81.1

75.4
68.9
77.7
72.9
77.5
73.7
77.7
77.3

71.3
65.7
71.8
68.7
71.3
70.6
71.8
73.3

69.1
59.0
67.0
61.5
65.8
63.7
67.0
66.8

NOTE: Indoor sound power is available in Bryant’s Electronic Catalog program (ECAT) for specific operating parameters.

ACCESSORY/FIOP ECONOMIZER IV AND ECONOMI$ER2 STATIC PRESSURE* (in. wg) — 580F036-073
CFM

COMPONENT
Vertical EconoMi$er IV and EconoMi$er2
Horizontal EconoMi$er IV and EconoMi$er2

1250
0.045
—

1500
0.065
—

1750
0.08
0.1

LEGEND
FIOP — Factory-Installed Option

2000
0.12
0.125

2250
0.145
0.15

2500
0.175
0.18

2750
0.22
0.225

3000
0.255
0.275

*The static pressure must be added to external static pressure. The
sum and the evaporator entering-air cfm should be used in conjunction
with the Fan Performance tables to determine indoor blower rpm and
watts.

ACCESSORY/FIOP ECONOMISER IV AND ECONOMI$ER2 STATIC PRESSURE* (in. wg) — 580F090-151
COMPONENT
Vertical EconoMi$er IV
and EconoMi$er2
Horizontal EconoMi$er IV
and EconoMi$er2

2250

2500

2750

3000

3250

3500

CFM
3750 4000

4250

4500

4750

5000

5250

6250

0.06

0.075

0.09

0.115

0.13

0.15

0.17

0.195

0.22

0.25

0.285

0.325

0.36

—

—

0.1

0.125

0.15

0.18

0.21

0.25

0.275

0.3

0.34

0.388

—

—

—

LEGEND
FIOP — Factory-Installed Option

*The static pressure must be added to external static pressure. The
sum and the evaporator entering-air cfm should then be used in conjunction with the Fan Performance tables to determine blower rpm and
watts.

74

PERFORMANCE DATA (cont)

UNIT 580F

0
1045
1455
1175
1455
1300
1685
1460
1685

036†
036**
048†
048**
060†
060**
072,073††
072,073**

1/
2

1
973
1392
1094
1392
1233
1608
1382
1608

1009
1423
1135
1423
1266
1647
1421
1647

11/2
937
1360
1054
1360
1200
1570
1343
1570

2
901
1328
1013
1328
1166
1531
1304
1531

MOTOR PULLEY TURNS OPEN
21/2
3
31/2
865
829
793
1297
1265
1233
973
932
892
1297
1265
1233
1133
1100
1066
1493
1454
1416
1265
1226
1187
1493
1454
1416

*Approximate fan rpm shown.
†Indicates alternate motor and drive package.

4
757
1202
851
1202
1033
1377
1148
1377

41/2
721
1170
811
1170
1000
1339
1109
1399

5
685
1138
770
1138
966
1300
1070
1300

51/2
—
1107
—
1107
933
—
—
—

6
—
1075
—
1075
900
—
—
—

**Indicates high-static motor and drive package.
††Indicates standard motor and drive package.

FAN RPM AT MOTOR PULLEY SETTINGS* — 580F090-151
UNIT 580F
090,091†
090,091**
090,091††
103†
103††
120,121†
120,121***
120,121††
150,151†
150,151***

0
840
935
1080
935
1080
935
1085
1130
1080
1130

1/
2

815
910
1025
910
1025
910
1060
1112
1060
1112

1
790
885
1007
885
1007
885
1035
1087
1035
1087

11/2
765
860
988
860
988
860
1010
1062
1015
1062

2
740
835
970
835
970
835
985
1037
990
1037

MOTOR PULLEY TURNS OPEN
21/2
3
31/2
715
690
665
810
785
760
952
933
915
810
785
760
952
933
915
810
785
760
960
935
910
1012
987
962
970
950
925
1012
987
962

*Approximate fan rpm shown.
†Indicates standard motor and drive package.
**Indicates alternate drive package only.

ELEVATION
(ft)
0-2,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
10,000
11,000
12,000
13,000
14,000

ELEVATION
(ft)

150,000 BTUH
NOMINAL INPUT
Natural Gas Liquid Propane
Orifice Size†
Orifice Size†
30
37
31
39
31
40
32
41
32
42
34
43
35
43
36
44
37
45
39
46
41
47
42
48
43
49
44
50

0-2,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
10,000
11,000
12,000
13,000
14,000

0-2,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
10,000
11,000
12,000
13,000
14,000

51/2
—
—
—
—
—
—
—
862
—
862

6
—
—
—
—
—
—
—
830
—
830

125,000,180,000, AND 224,000
BTUH NOMINAL INPUT
Natural Gas
Liquid Propane
Orifice Size†
Orifice Size†
31
41
32
42
32
42
32
42
33
43
34
43
35
44
36
44
37
45
38
46
39
47
40
47
41
48
42
48

250,000 BTUH
NOMINAL INPUT
Natural Gas
Liquid Propane
Orifice Size†
Orifice Size†
30
38
30
39
31
40
32
41
33
42
34
43
35
43
36
44
37
44
38
45
39
45
40
46
41
47
42
47

*As the height above sea level increases, there is less oxygen per cubic foot of air.
Therefore, heat input rate should be reduced at higher altitudes.
†Orifices available through your local Bryant distributor.

ALTITUDE DERATING FACTOR*

ALTITUDE COMPENSATION* — 580F036-073
LOW NOx UNITS
60,000 AND 90,000 BTUH
NOMINAL INPUT
Natural Gas Orifice Size†
38
40
41
42
43
43
44
45
46
47
48
49
50
51

5
590
685
860
685
860
685
835
887
860
887

ALTITUDE COMPENSATION* — 580F090-151

*As the height above sea level increases, there is less oxygen per cubic foot of air.
Therefore, heat input rate should be reduced at higher altitudes.
†Orifices available through your local Bryant distributor.

ELEVATION
(ft)

41/2
615
710
878
710
878
710
860
912
880
912

††Indicates high-static motor and drive package.
***Indicates alternate motor and drive package.

ALTITUDE COMPENSATION* — 580F036-073
STANDARD UNITS
74,000 AND 115,000 BTUH
NOMINAL INPUT
Natural Gas Liquid Propane
Orifice Size†
Orifice Size†
33
43
36
44
36
45
37
45
38
46
40
47
41
48
42
49
43
50
44
50
45
51
46
52
47
52
48
53

4
635
735
897
735
897
735
885
937
905
937

ELEVATION
(ft)
0-2,000
2,001-3,000
3,001-4,000
4,001-5,000
5,001-6,000

120,000 BTUH
NOMINAL INPUT
Natural Gas Orifice Size
32
33
35
36
37
38
39
41
42
43
44
44
46
47

MAXIMUM HEATING VALUE
(Btu/ft3)
1,100
1,050
1,000
950
900

*Derating of the unit is not required unless the heating value of the gas exceeds the values listed in the table above, or if the elevation exceeds 6000 ft. Derating conditions
must be 4% per thousand ft above 2000 ft. For example, at 4000 ft, if the heating value
of the gas exceeds 1000 Btu/ft3, the unit will require a 16% derating. For elevations
above 6000 ft, the same formula applies. For example, at 7000 ft, the unit will require a
28% derating of the maximum heating value per the National Fuel Gas Code.
IMPORTANT: Local utility companies may be reducing heat content of gas at altitudes
above 2000 ft. If this is being done, changing spuds may not be required.

*As the height above sea level increases, there is less oxygen per cubic foot of air.
Therefore, the input rate should be reduced at higher altitudes.
†Orifices are available through your local Bryant distributor.

75

580F036-151

FAN RPM AT MOTOR PULLEY SETTINGS* — 580F036-073

580F036-151

PERFORMANCE DATA (cont)
5000
FLOW (cfm)

4000
3000

3-6 Ton

2000

7.5-12.5 Ton

1000
0
0

0.1

0.2

0.3

0.4

a48-6308

0.5

STATIC PRESSURE (in. wg)

FLOW IN CUBIC FEET PER MINUTE (cfm)

VERTICAL POWER EXHAUST PERFORMANCE

2500
2000
3-6 Ton

1500

7 1/2 - 12 1/2 Ton
1000
500
0
0.15

0.05

a48-6202

0.25

STATIC PRESSURE (in. wg)

FLOW IN CUBIC FEET PER MINUTE (cfm)

BAROMETRIC RELIEF FLOW CAPACITY

30
25
20
3-6 Ton
7 1/2-12 1/2 Ton

15
10
5

a48-6203
0
0.13

0.20 0.22

0.25

0.30 0.35 0.40

0.45

0.50

STATIC PRESSURE (in. wg)

OUTDOOR AIR DAMPER LEAKAGE

Vertical EconoMi$er IV and EconoMi$er2
Performance Data (580F036-151)
POWER EXHAUST OPTIONS
POWER EXHAUST
PART NO.
CRPWREXH030A01
CRPWREXH021A01
CRPWREXH022A01
CRPWREXH023A01

VERTICAL — MOUNTED IN ECONOMIZER HOOD
APPLICATION
USAGE
Power Exhaust System (208/230-1-60)
036-073
Power Exhaust System (460-3-60)
036-073
Power Exhaust System (208/230-1-60)
090-151
Power Exhaust System (460-3-60)
090-151

POWER OUTPUT
(Hp per fan)
0.23
0.24
0.47
0.37

NO.
FANS
2
2
2
2

POWER EXHAUST
PART NO.
CRPWREXH028A01
CRPWREXH029A01

HORIZONTAL — MOUNTED IN RETURN DUCTWORK
APPLICATION
POWER EXHAUST DESCRIPTION
USAGE
Horizontal Power Exhaust (208/230-1-60)
All
Horizontal Power Exhaust (460-3-60)
All

POWER OUTPUT
(Hp per fan)
0.48
0.48

NO.
FANS
1
1

POWER EXHAUST DESCRIPTION

76

PERFORMANCE DATA (cont)
580F036-151

2500
FLOW (cfm)

2000
1500
1000
500
0
0

0.1

0.2

0.3

0.4

0.5

a48-6309
STATIC PRESSURE (in. wg)
HORIZONTAL POWER EXHAUST PERFORMANCE

Flow in cubic feet per minute (cfm)

2500

2000

1500
3-6 Ton
7 1/2 - 12 1/2 Ton
1000

500

a48-6224

0
0.05"

0.15"

0.25"

Static Pressure (in. wg)

Flow in cubic feet per minute (cfm)

BAROMETRIC RELIEF CAPACITY
30
25
20
3-6 Ton

15

7 1/2 - 12 1/2 Ton

10
5

a48-6225

0
0.1"

0.2"

0.3"

0.4"

0.5"

Static Pressure (in. wg)

OUTDOOR AIR DAMPER LEAKAGE

Horizontal EconoMi$er IV and EconoMi$er2
Performance Data (580F036-151)
OPTIONAL POWER EXHAUST

EVAPORATOR-FAN MOTOR EFFICIENCY

POWER REQUIREMENTS
UNIT
SIZE
580F036-073
580F090-151

AMPS AT
230 V
(2 Fans
Running)
1.40 Amps at
60 Hz
3.04 Amps at
60 Hz

UNIT 580F
036,048
060
072, 073
090-121
150, 151

MOCP
230 VAC

460 VAC

575 VAC

15.0 amps 15.0 amps 15.0 amps

MOTOR EFFICIENCY (%)
75
74/84*
84
80
87

*Single phase/three-phase.
NOTE: The EPACT (Energy Policy Act of 1992) regulates energy
requirements for specific types of indoor fan motors. Motors regulated
by EPACT include any general purpose, T-frame (three-digit, 143 and
larger), single-speed, foot mounted, polyphase, squirrel cage induction
motors of NEMA (National Electrical Manufacturers Association) design
A and B, manufactured for use in the United States. Ranging from 1 to
200 Hp, these continuous-duty motors operate on 230 and 460 volt,
60 Hz power. If a motor does not fit into these specifications, the motor
does not have to be replaced by an EPACT-compliant energy-efficient
motor. Variable-speed motors are exempt from EPACT compliance
requirements. Therefore, the indoor-fan motors for these units are
exempt from these requirements.

LEGEND
MOCP — Maximum Overcurrent Protection

77

580F036-151

PERFORMANCE DATA (cont)
EVAPORATOR-FAN MOTOR PERFORMANCE
UNIT 580F

EVAPORATOR-FAN
MOTOR
Standard

036

Alternate

High Static

Standard

048

Alternate

High Static

Standard

060

Alternate

High Static

Standard
072,073
High Static

Standard,
Alternate
090,091
High Static

Standard
103
High Static

Standard

120,121

Alternate

High Static

Standard
150, 151
Alternate

UNIT
VOLTAGE
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575

MAXIMUM ACCEPTABLE
CONTINUOUS BHP*

MAXIMUM ACCEPTABLE
OPERATING WATTS

0.34

440

1.20

1000

2.40

2120

0.75

850

1.20

1000

2.40

2120

1.20

1340

1.30/2.40†

2120

2.90

2562

2.40

2120

2.90

2562

2.40

2120

3.70

3313

2.40

2120

3.70

3313

2.40

2120

2.90

2615

5.25

4400

3.70

3313

5.25

4400

LEGEND
BHP — Brake Horsepower
*Extensive motor and electrical testing on these units ensures that the full
horsepower range of the motors can be utilized with confidence. Using your
fan motors up to the horsepower ratings shown in this table will not result in
nuisance tripping or premature motor failure. Unit warranty will not be
affected.

MAXIMUM
AMP DRAW
2.8
1.3
1.3
4.9
2.1
2.1
6.0
3.0
3.0
3.5
1.8
1.8
4.9
2.1
2.1
6.0
3.0
3.0
5.9
3.2
3.2
6.6/5.2†
2.6
3.0
8.6
3.9
3.9
5.2
3.0
3.0
8.6
3.9
3.9
6.7
3.0
3.0
12.2
5.5
5.5
6.7
3.0
3.0
12.2
5.5
5.5
6.7
3.0
3.0
8.6
3.9
3.9
17.3
8.5
8.5
12.2
5.5
5.5
17.3
8.5
8.5

†Single phase/three-phase.
NOTE: High-static motor not available on single-phase units.

78

ELECTRICAL DATA
NOMINAL
V-PH-Hz

IFM
TYPE
STD

208/230-3-60

ALT
HIGH
STD

036
(3 Ton)
460-3-60

ALT
HIGH
ALT

575-3-60
HIGH
STD
208/230-3-60

ALT
HIGH

048
(4 Ton)

STD
460-3-60

ALT
HIGH
ALT

575-3-60
HIGH

CONV
OUTLET
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES

VOLTAGE
RANGE
Min
Max

COMPRESSOR (each)
Qty

RLA

LRA

—
—
—
—
—
—
—
—
—

FLA

IFM
FLA

COMBUSTION
FAN MOTOR
FLA

3.5
187

254

1

10.2

75

1

1.4

4.9

0.6

5.2
1.3
414

508

1

4.4

40

1

0.8

2.1

0.3

2.6
1.9
518

632

1

3.7

31

1

0.6

0.3
2.0
3.5

187

254

1

15.4

90

1

1.4

4.9

0.6

5.2
1.8
414

508

1

8.3

45

1

0.8

2.1

0.3

2.6
1.9
518

632

1

6.4

36

1

0.6

0.3
2.0

POWER SUPPLY
MCA
17.7
23.7
19.1
25.1
19.4
25.4
7.6
10.3
8.4
11.1
8.9
11.6
7.1
9.3
7.2
9.4
24.2
30.2
25.6
31.6
25.9
31.9
13.0
15.7
13.3
16.0
13.8
16.5
10.5
12.7
10.6
12.8

MOCP†
25
25
25
30
25
30
15
15
15
15
15
15
15
15
15
15
30
35
30
35
30
35
20
20
20
20
20
20
15
15
15
15

MINIMUM UNIT
DISCONNECT SIZE*
FLA
LRA
17
85
23
90
19
90
25
95
19
109
25
114
7
44
10
47
8
48
11
50
9
57
11
59
7
37
9
39
8
44
10
45
23
101
29
106
25
105
30
110
25
124
31
129
13
51
15
53
13
53
15
55
13
62
16
64
10
42
12
43
10
49
12
50

Determine percent of voltage imbalance.

LEGEND
FLA
HACR
IFM
LRA
MCA
MOCP
NEC
OFM
RLA

OFM (each)
Qty

Full Load Amps
Heating, Air Conditioning and Refrigeration
Indoor (Evaporator) Fan Motor
Locked Rotor Amps
Minimum Circuit Amps
Maximum Overcurrent Protection
National Electrical Code
Outdoor (Condenser) Fan Motor
Rated Load Amps

% Voltage Imbalance = 100 x

7
457

= 1.53%
This amount of phase imbalance is satisfactory as it is below the maximum allowable 2%.
IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact your local
electric utility company immediately.
3. For units with power exhaust: If a single power source is to be used, size wire to include
power exhaust MCA and MOCP. Check MCA and MOCP when power exhaust is powered
through the unit (must be in accordance with NEC and/or local codes). Determine the new
MCA including the power exhaust using the following formula:
MCA New = MCA unit only + MCA of Power Exhaust
For example, using a 580F060 unit with MCA = 28.9 and MOCP = 35, with
CRPWREXH030A01 power exhaust.
MCA New = 28.9 amps + 1.6 amps = 30.5 amps
If the new MCA does not exceed the published MOCP, then MOCP would not change. The
MOCP in this example is 35 amps, the MCA New is below 35, therefore the MOCP is
acceptable. If “MCA New” is larger than the published MOCP, raise the MOCP to the next
larger size. For separate power, the MOCP for the power exhaust will be 15 amps per NEC.

*Used to determine minimum disconnect per NEC.
†Fuse or HACR circuit breaker.
NOTES:
1. In compliance with NEC requirements for multimotor and combination load equipment (refer
to NEC Articles 430 and 440), the overcurrent protective device for the unit shall be fuse or
HACR breaker. Canadian units may be fuse or circuit breaker.
2. Unbalanced 3-Phase Supply Voltage
Never operate a motor where a phase imbalance in supply voltage is greater than 2%. Use
the following formula to determine the percent of voltage imbalance.
% Voltage Imbalance
max voltage deviation from average voltage
= 100 x
average voltage

POWER EXHAUST ELECTRICAL DATA

Example: Supply voltage is 460-3-60.
AB = 452 v
BC = 464 v
AC = 455 v

POWER EXHAUST APPLICATION
PART NO.
USAGE

Average Voltage =
=

452 + 464 + 455
3

CRPWREXH030A01
CRPWREXH021A01
CRPWREXH022A01
CRPWREXH023A01
CRPWREXH028A01
CRPWREXH029A01

1371
3

= 457
Determine maximum deviation from average voltage.
(AB) 457 – 452 = 5 v
(BC) 464 – 457 = 7 v
(AC) 457 – 455 = 2 v
Maximum deviation is 7 v.

*Single or three phase.

79

036-073*
036-073
090-151*
090-151
ALL*
ALL

MCA
(230 V)

MCA
(460 V)

MCA
(575 V)

1.6
N/A
3.4
N/A
1.7
N/A

N/A
0.68
N/A
1.4
N/A
0.7

0.64
N/A
1.32
N/A
0.68
N/A

MOCP
(separate
power source
only)
15
15
15
15
15
15

580F036-151

UNIT SIZE
580F

580F036-151

ELECTRICAL DATA (cont)
UNIT SIZE
580F

NOMINAL
V-PH-Hz

IFM
TYPE
STD

208/230-3-60

ALT
HIGH

060
(5 Ton)

STD
460-3-60

ALT
HIGH
ALT

575-3-60
HIGH
STD
208/230-3-60
HIGH

072
(6 Ton)

STD
460-3-60
HIGH
STD
575-3-60
HIGH
STD
208/230-3-60
HIGH

073
(6 Ton)

STD
460-3-60
HIGH
STD
575-3-60
HIGH
STD
208/230-3-60

ALT
HIGH
STD

090
(71/2 Ton)

460-3-60

ALT
HIGH
STD

575-3-60

ALT
HIGH
STD

208/230-3-60

ALT
HIGH
STD

091
(71/2 Ton)

460-3-60

ALT
HIGH
STD

575-3-60

ALT
HIGH

CONV
OUTLET
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES

VOLTAGE
RANGE
Min
Max

COMPRESSOR (each)
Qty

RLA

LRA

OFM (each)
Qty

FLA

IFM
FLA

COMBUSTION
FAN MOTOR
FLA

5.9
187

254

1

16

114

1

1.4

5.2

0.6

7.5
3.1
414

508

1

7.4

64

1

0.8

2.6

0.3

3.4
1.9
518

632

1

6.2

52

1

0.6

187

254

1

20.6

146

1

1.4

2.0
2.0

0.3

5.2
0.6
7.5
2.6
414

508

1

9.5

73

1

0.9

0.3
3.4
2.0

518

632

1

7.6

58.4

1

0.6

0.3
2.8
5.2

187

254

1

20.6

146

1

1.4

0.6
7.5
2.6

414

508

1

9.5

73

1

0.9

0.3
3.4
1.9

518

632

1

7.6

62

1

0.6

0.3
2.0
5.8

187

254

2

14

91

2

1.4

5.8

0.6

10.6
2.6
414

508

2

6.4

42

2

0.7

2.6

0.3

4.8
2.0
518

632

2

5.2

39

2

0.6

2.0

0.3

2.8
5.8
187

254

2

14

91

2

1.4

5.8

0.6

10.6
2.6
414

508

2

6.4

42

2

0.7

2.6

0.3

4.8
2.0
518

632

2

5.2

39

2

0.6

2.0
2.8

80

0.3

POWER SUPPL
MCA
27.3
33.3
26.6
32.6
28.9
34.9
13.2
15.9
12.7
15.4
13.5
16.2
10.4
12.6
11.2
13.5
32.4
38.4
34.7
40.7
15.3
18.0
16.1
18.8
12.1
13.3
12.9
14.1
32.4
38.4
34.7
40.7
15.4
18.0
16.2
18.8
12.3
14.4
13.1
15.3
40.1
46.1
40.1
46.1
44.9
50.9
18.4
24.4
18.4
24.4
20.6
23.3
14.9
20.9
14.9
20.9
16.7
19.4
40.1
44.9
40.1
44.9
44.9
49.7
18.4
20.6
18.4
20.6
20.6
22.8
14.9
16.6
14.9
16.6
16.7
18.4

MOCP†
35
40
35
35
35
40
20
20
15
20
20
20
15
15
15
15
40
45
40
45
20
20
20
25
15
20
15
20
40
45
40
45
20
20
20
25
15
20
20
20
45
50
45
50
50
60
20
25
20
25
25
30
20
25
20
25
20
25
45
50
45
50
50
60
20
25
20
25
25
25
20
20
20
20
20
20

MINIMUM UNIT
DISCONNECT SIZE*
FLA
LRA
27
128
32
133
26
148
32
153
29
174
34
179
13
71
15
74
12
81
15
84
13
93
16
96
11
65
12
66
11
74
13
74
31
180
37
184
34
205
39
210
15
90
17
92
16
103
18
105
12
71
13
72
13
80
15
81
31
180
37
184
34
205
39
210
15
90
17
92
16
103
18
105
13
75
15
77
14
84
16
86
42
229
48
233
42
229
48
233
48
273
53
273
19
108
22
110
19
108
22
110
22
130
24
132
16
97
18
99
16
97
18
99
18
114
20
117
42
229
48
234
42
229
48
234
48
273
53
277
19
108
22
110
19
108
22
110
22
130
24
132
16
97
18
99
16
97
18
99
18
114
20
116

ELECTRICAL DATA (cont)
NOMINAL
V-PH-Hz

IFM
TYPE
STD

208/230-3-60
HIGH

103
(81/2 Ton)

STD
460-3-60
HIGH
STD
575-3-60
HIGH
STD
208/230-3-60

ALT
HIGH
STD

120
(10 Ton)

460-3-60

ALT
HIGH
STD

575-3-60

ALT
HIGH
STD

208/230-3-60

ALT
HIGH
STD

121
(10 Ton)

460-3-60

ALT
HIGH
STD

575-3-60

ALT
HIGH

CONV
OUTLET
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES

VOLTAGE
RANGE
Min
Max

COMPRESSOR (each)
RLA

LRA

Qty

FLA

2

17.3

120.0

2

1.4

—
—
—
—
—
—
—
—
—

IFM
FLA

COMBUSTION
FAN MOTOR
FLA

5.8
187

254

0.6
10.6
2.6

414

508

2

7.9

70.0

2

0.7

0.3
4.8
2.0

518

632

2

5.5

50.0

2

0.6

0.3
2.8
5.8

187

254

2

15.8

130

2

1.4

7.5

0.6

15.0
2.6
414

508

2

7.9

64

2

0.7

3.4

0.3

7.4
2.0
518

632

2

6.6

52

2

0.6

2.0

0.3

2.8
5.8
187

254

2

15.8

130

2

1.4

7.5

0.6

15.0
2.6
414

508

2

7.9

64

2

0.7

3.4

0.3

7.4
2.0
518

632

2

6.6

52

2

0.6

2.8

0.3

3.3

POWER SUPPLY
MCA
44.3
49.1
49.1
53.9
21.0
23.2
23.2
25.4
16.7
18.4
18.5
20.2
44.2
50.2
45.9
51.9
53.4
59.4
21.8
27.8
22.6
25.3
26.6
29.3
18.1
24.1
18.7
24.7
21.9
24.6
44.6
49.4
46.3
51.1
53.8
58.6
22.0
24.2
22.8
25.0
26.8
29.0
18.1
19.8
18.7
20.4
21.9
23.6

MOCP†
50
60
60
60
25
30
30
30
20
25
25
25
50
60
50
60
60
70
25
30
25
30
30
35
25
25
25
25
30
30
50
60
60
60
60
70
25
30
25
30
30
35
20
25
20
25
25
25

MINIMUM UNIT
DISCONNECT SIZE*
FLA
LRA
46
272
52
277
52
316
57
320
22
149
24
151
24
171
27
173
17
109
19
111
19
126
21
128
46
307
52
311
48
326
54
330
57
374
62
378
23
152
25
154
24
191
26
193
28
185
31
187
19
123
21
109
20
155
22
141
23
150
25
136
46
307
52
312
48
326
54
331
57
374
62
379
23
152
25
154
24
191
26
193
28
185
30
187
19
123
21
125
20
150
22
156
23
155
25
151

Determine percent of voltage imbalance.

LEGEND
FLA
HACR
IFM
LRA
MCA
MOCP
NEC
OFM
RLA

OFM (each)

Qty

Full Load Amps
Heating, Air Conditioning and Refrigeration
Indoor (Evaporator) Fan Motor
Locked Rotor Amps
Minimum Circuit Amps
Maximum Overcurrent Protection
National Electrical Code
Outdoor (Condenser) Fan Motor
Rated Load Amps

% Voltage Imbalance = 100 x

7
457

= 1.53%
This amount of phase imbalance is satisfactory as it is below the maximum allowable 2%.
IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact your local
electric utility company immediately.
3. For units with power exhaust: If a single power source is to be used, size wire to include
power exhaust MCA and MOCP. Check MCA and MOCP when power exhaust is powered
through the unit (must be in accordance with NEC and/or local codes). Determine the new
MCA including the power exhaust using the following formula:
MCA New = MCA unit only + MCA of Power Exhaust
For example, using a 580F060 unit with MCA = 28.9 and MOCP = 35, with
CRPWREXH030A01 power exhaust.
MCA New = 28.9 amps + 1.6 amps = 30.5 amps
If the new MCA does not exceed the published MOCP, then MOCP would not change. The
MOCP in this example is 35 amps, the MCA New is below 35, therefore the MOCP is
acceptable. If “MCA New” is larger than the published MOCP, raise the MOCP to the next
larger size. For separate power, the MOCP for the power exhaust will be 15 amps per NEC.

*Used to determine minimum disconnect per NEC.
†Fuse or HACR circuit breaker.
NOTES:
1. In compliance with NEC requirements for multimotor and combination load equipment (refer
to NEC Articles 430 and 440), the overcurrent protective device for the unit shall be fuse or
HACR breaker. Canadian units may be fuse or circuit breaker.
2. Unbalanced 3-Phase Supply Voltage
Never operate a motor where a phase imbalance in supply voltage is greater than 2%. Use
the following formula to determine the percent of voltage imbalance.
% Voltage Imbalance
max voltage deviation from average voltage
= 100 x
average voltage

POWER EXHAUST ELECTRICAL DATA

Example: Supply voltage is 460-3-60.
AB = 452 v
BC = 464 v
AC = 455 v

POWER EXHAUST APPLICATION
PART NO.
USAGE

Average Voltage =
=

452 + 464 + 455
3

CRPWREXH030A01
CRPWREXH021A01
CRPWREXH022A01
CRPWREXH023A01
CRPWREXH028A01
CRPWREXH029A01

1371
3

= 457
Determine maximum deviation from average voltage.
(AB) 457 – 452 = 5 v
(BC) 464 – 457 = 7 v
(AC) 457 – 455 = 2 v
Maximum deviation is 7 v.

*Single or three phase.

81

036-073*
036-073
090-151*
090-151
ALL*
ALL

MCA
(230 V)

MCA
(460 V)

MCA
(575 V)

1.6
N/A
3.4
N/A
1.7
N/A

N/A
0.68
N/A
1.4
N/A
0.7

0.64
N/A
1.32
N/A
0.68
N/A

MOCP
(separate
power source
only)
15
15
15
15
15
15

580F036-151

UNIT SIZE
580F

580F036-151

ELECTRICAL DATA (cont)
UNIT SIZE
580F

NOMINAL
V-PH-Hz

IFM
TYPE
STD

208/230-3-60
HIGH

150
(121/2 Ton)

STD
460-3-60
HIGH
STD
575-3-60
HIGH
STD
208/230-3-60
HIGH

151
(121/2 Ton)

STD
460-3-60
HIGH
STD
575-3-60
HIGH

CONV
OUTLET
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES

VOLTAGE
RANGE
Min
Max

COMPRESSOR (each)
RLA

LRA

Qty

FLA

2

23

146

2

1.4

—
—
—
—
—
—
—
—
—

IFM
FLA

COMBUSTION
FAN MOTOR
FLA

10.6
187

254

0.6
15.0
4.8

414

508

2

10.4

73

2

0.7

0.3
7.4
2.0

518

632

2

8.3

58.4

2

0.6

0.3
2.8
10.6

187

254

2

19

156

2

1.4

0.6
15.0
4.8

414

508

2

9

75

2

0.7

0.3
7.4
3.3

518

632

2

7.4

54

2

0.6

5.6
5.6

0.3

POWER SUPPLY
MCA
65.2
71.2
69.6
75.6
29.6
35.6
32.2
34.9
23.6
29.6
25.7
31.7
56.2
61.0
60.6
65.4
26.5
28.7
29.1
31.3
21.6
23.3
23.7
25.4

MOCP†
80
80
80
80
35
40
35
40
30
35
30
35
70
70
70
80
30
35
35
35
25
30
25
30

MINIMUM UNIT
DISCONNECT SIZE*
FLA
LRA
68
383
74
387
73
406
79
410
31
192
34
194
34
203
37
205
25
154
27
156
27
163
29
165
59
359
65
364
64
378
70
383
28
174
30
176
31
213
33
215
23
127
25
129
25
159
27
160

Determine percent of voltage imbalance.
7
% Voltage Imbalance = 100 x
457

LEGEND
FLA
HACR
IFM
LRA
MCA
MOCP
NEC
OFM
RLA

OFM (each)

Qty

Full Load Amps
Heating, Air Conditioning and Refrigeration
Indoor (Evaporator) Fan Motor
Locked Rotor Amps
Minimum Circuit Amps
Maximum Overcurrent Protection
National Electrical Code
Outdoor (Condenser) Fan Motor
Rated Load Amps

= 1.53%
This amount of phase imbalance is satisfactory as it is below the maximum allowable 2%.
IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact your local
electric utility company immediately.
3. For units with power exhaust: If a single power source is to be used, size wire to include
power exhaust MCA and MOCP. Check MCA and MOCP when power exhaust is powered
through the unit (must be in accordance with NEC and/or local codes). Determine the new
MCA including the power exhaust using the following formula:
MCA New = MCA unit only + MCA of Power Exhaust
For example, using a 580F060 unit with MCA = 28.9 and MOCP = 35, with
CRPWREXH030A01 power exhaust.
MCA New = 28.9 amps + 1.6 amps = 30.5 amps
If the new MCA does not exceed the published MOCP, then MOCP would not change. The
MOCP in this example is 35 amps, the MCA New is below 35, therefore the MOCP is
acceptable. If “MCA New” is larger than the published MOCP, raise the MOCP to the next
larger size. For separate power, the MOCP for the power exhaust will be 15 amps per NEC.

*Used to determine minimum disconnect per NEC.
†Fuse or HACR circuit breaker.
NOTES:
1. In compliance with NEC requirements for multimotor and combination load equipment (refer
to NEC Articles 430 and 440), the overcurrent protective device for the unit shall be fuse or
HACR breaker. Canadian units may be fuse or circuit breaker.
2. Unbalanced 3-Phase Supply Voltage
Never operate a motor where a phase imbalance in supply voltage is greater than 2%. Use
the following formula to determine the percent of voltage imbalance.
% Voltage Imbalance
max voltage deviation from average voltage
= 100 x
average voltage

POWER EXHAUST ELECTRICAL DATA

Example: Supply voltage is 460-3-60.
AB = 452 v
BC = 464 v
AC = 455 v

POWER EXHAUST APPLICATION
PART NO.
USAGE

Average Voltage =
=

CRPWREXH030A01
CRPWREXH021A01
CRPWREXH022A01
CRPWREXH023A01
CRPWREXH028A01
CRPWREXH029A01

452 + 464 + 455
3
1371
3

= 457
Determine maximum deviation from average voltage.
(AB) 457 – 452 = 5 v
(BC) 464 – 457 = 7 v
(AC) 457 – 455 = 2 v
Maximum deviation is 7 v.

*Single or three phase.

82

036-073*
036-073
090-151*
090-151
ALL*
ALL

MCA
(230 V)

MCA
(460 V)

MCA
(575 V)

1.6
N/A
3.4
N/A
1.7
N/A

N/A
0.68
N/A
1.4
N/A
0.7

0.64
N/A
1.32
N/A
0.68
N/A

MOCP
(separate
power source
only)
15
15
15
15
15
15

CIRCUIT
BREAKER

VOLTS

CB

24 V

CB1
(150,151 Std)

460-3-60

MFG. PT. NO.
POTTER & BRUMFIELD
W2BX-1024-3.2
Heinemann
Airpax
CF3-Z228-41 219-3-2600-486

580F036-151

TYPICAL WIRING SCHEMATICS — 580F036-151
(580F090, 460-3-60 Shown)
MUST TRIP
AMPS
3.2
8.5

LEGEND
C
CAP
CB
CLO
COMP
EQUIP
FPT
GND
HPS
HS
I
IDM
IFC
IFM
IFMOVL
IGC
LPS
LS
MGV
OFC
OFM
P
PL
QT
RAT

—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

RS
SAT

—
—

SEN
TRAN

—
—

Contactor, Compressor
Capacitor
Circuit Breaker
Compressor Lockout
Compressor Motor
Equipment
Freeze Protection Thermostat
Ground
High-Pressure Switch
Hall Effect Sensor
Ignitor
Induced Draft Motor
Indoor Fan Contactor
Indoor (Evaporator) Fan Motor
Indoor Fan Motor Overload Switch
Integrated Gas Unit Controller
Low-Pressure Switch
Limit Switch
Main Gas Valve
Outdoor Fan Contactor
Outdoor Fan Motor
Plug
Plug Assembly
Quadruple Terminal
Return Air Temperature
Sensor
Rollout Switch
Mixed-Air Temperature
Sensor
Sensor
Transformer
Field Splice
Marked Wire
Terminal (Marked)
Terminal (Unmarked)
Terminal Block
Splice
Splice (Marked)
Factory Wiring
Field Control Wiring
Field Power Wiring
Accessory or
Optional Wiring
To indicate common potential
only. Not to represent wiring.

a48-6270

83

580F036-151

TYPICAL WIRING SCHEMATICS — 580F036-151 (cont)

a48-7910

IAQ
LA
POT
OAT
RAT

—
—
—
—
—

LEGEND
Indoor Air Quality
Low Ambient Lockout Device
Potentiometer
Outdoor-Air Temperature
Return-Air Temperature

NOTE:
Potentiometer Defaults Settings:
Power Exhaust Middle
Minimum Pos. Fully Closed
DCV Max.
Middle
DCV Set
Middle
Enthalpy
C Setting

ECONOMIZER NOTES:
1. 620 ohm, 1 watt 5% resister should be removed only when using differential
enthalpy or dry bulb.
2. If a separate field supplied 24v transformer is used for the IAQ sensor
power supply, it cannot have the secondary of the transformer grounded.
3. For field installed remote minimum position POT, remove black wire jumper
between P and P1 and set control minimum position POT to the minimum
position.

EconoMi$er IV Wiring — 580F036-151 Units

BLACK

4
3
5

BLUE
500 OHM
RESISTOR

8
VIOLET

6

NOTE 1
PINK

7

RUN
RED

+

NOTE 2

2

1

YELLOW

10

50HJ540573
ACTUATOR
ASSEMBLY

OPTIONAL CO 2
SENSOR 4 - 20 mA
OUTPUT

11
9
WHITE

DIRECT DRIVE
ACTUATOR

a48-8209
NOTES:
1. Switch on actuator must be in run position for economizer to operate.
2. 50HJ540573 actuator consists of the 50HJ540567 actuator and a harness with 500-ohm resistor.

EconoMi$er2 Wiring — 580F036-151 Units

84

12

ECONOMISER2 PLUG

TYPICAL WIRING SCHEMATICS — 580F (cont)

C2 FOR 008-014 UNITS

RED

YEL BLU

LINE SIDE

GRA

C
H3

H1

H2

H4

TRAN4

BLU
GRA

11

21

RED
YEL

13

23

23

240V
X4

X2

X1

X3

RED

SECONDARY
120V

H1

YEL BLU
H3

H2

X2

X3

GRA
208-230-1 ONLY

H4

TRAN4

RED

GRA

X4

600V
H2

H1

X1

BLK

WHT
SECONDARY
120V

TRAN4

X4

X2

GROUND FAULT
INTERRUPTER
CONVENIENCE
OUTLET
GFI - CO

X1

X3

GRN-YEL
GRN-YEL

SECONDARY
120V
SWITCH

BLK

FUSE

TEST
RESET

a48-7462

15 AMP

Convenience Outlet (Optional) — Sizes 580F036-151

UNIT
DISCONNECT
FIELD
POWER
SUPPLY

BLK

BLK

YEL

YEL

BLU

BLU

TB

a48-7463

BLK

BLK

YEL

YEL

BLU

BLU

SINGLE POINT CONNECTION BOX

NOTE: Use copper conductors only.

Non-Fused Disconnect (Optional) — Sizes 580F036-151

85

WHT

580F036-151

460V

581B036-150

TYPICAL PIPING AND WIRING — 580F036-151

48-983

Vertical Discharge Ducting

NO.1
CONVENIENCE
OUTLET

a48-6307

NO.2

NEC — National Electrical Code

Horizontal Discharge Ducting

86

PHYSICAL DATA — 581B036-072
036
3

048
4

530

540

060
5

072
6

560

635

1
50

1
60

10- 0
17-0

12-8
21-0

Scroll
1
42

1
53
R-22

5-8
9-0
1...22
3500
1/ ...825
4
180

1...17
14.6

10-2
15-8

Propeller
1...22
1...22
3500
4100
1/ ...825
1/ ...1100
4
4
180
320
3/ -in. OD Enhanced Copper Tubes, Aluminum Lanced Fins
8
2...17
16.5

2...17
16.5

1/

1...22
4100
4...1100
320

2...17
16.5

1...17
1...17
1...17
1...17
3.9
3.9
3.9
3.9
3/ -in. OD Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Acutrol™ Metering Device
8
2...15
2...15
4...15
4...15
5.5
5.5
5.5
5.5
Centrifugal Type, Belt Drive
1...10 x 10
1...10 x 10
1...10 x 10
1...10 x 10
1200
1600
2000
2400
1.20
1.20
1.30/2.40*
2.40
2.40
2.40
2.90
2.90
48
48
48/56*
56
56
56
56
56
680-1044
770-1185
1035-1460
1119-1585
1075-1455
1075-1455
1300-1685
1300-1685
Ball
Ball
Ball
Ball
2100
2100
2100
2100
1.9/2.9
1.9/2.0
2.4/3.4
2.4/3.4
2.8/3.8
2.8/3.8
3.4/4.4
3.4/3.4
1/
1/
5/
5/
2
2
8
8
5/
5/
7/
5/
8
8
8
8
4.5
4.0
4.0
3.7
4.5
4.5
4.5
4.5
1...A...36
1...A...36
1....4...40
1...A...38
1...A...39
1...A...39
1...A...40
1...A...40
10.0-12.4
10.0-12.4
14.7-15.5
14.7-15.5
65
70
75
95
65
65
60
60
5
5
6
5
6
6
5
5
3
3
3
3
31/2
31/2
31/2
31/2
826
936
1248
1305
1233
1233
1396
1396
5/
5/
5/
5/
8
8
8
8
||California compliant three-phase models.
***California SCAQMD compliant low NOx models have combustion products that
are controlled to 40 nanograms per joule or less.

LEGEND
Bhp — Brake Horsepower
*Single phase/three phase.
†Indicates automatic reset.
**60,000 and 72,000 Btuh heat input units have 2 burners. 90,000 and
120,000 Btuh heat input units have 3 burners. 115,000 Btuh heat input units
and 150,000 Btuh Heat input units have 3 burners.
††An LP kit is available as an accessory.

87

581B036-150

UNIT SIZE 581B
NOMINAL CAPACITY
OPERATING WEIGHT (lb)
Unit
COMPRESSOR
Quantity
Oil (oz)
REFRIGERANT TYPE
Operating Charge (lb-oz)
Standard Unit
Unit With Perfect Humidity Dehumidification Package
CONDENSER FAN
Quantity...Diameter (in.)
Nominal Cfm
Motor Hp...Rpm
Watts Input (Total)
CONDENSER COIL
Standard Unit
Rows...Fins/in.
Total Face Area (sq ft)
Unit with Perfect Humidity Dehumidification Package
Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR COIL
Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR FAN
Quantity...Size (in.)
Nominal Cfm
Maximum Continuous Bhp
Std
Hi-Static
Motor Frame Size
Std
Hi-Static
Fan Rpm Range
Std
Hi-Static
Motor Bearing Type
Maximum Fan Rpm
Motor Pulley Pitch Diameter A/B (in.)
Std
Hi-Static
Nominal Motor Shaft Diameter (in.)
Std
Hi-Static
Fan Pulley Pitch Diameter (in.)
Std
Hi-Static
Belt — Type...Length (in.)
Std
Hi-Static
Pulley Center Line Distance (in.)
Speed Change per Full Turn of
Std
Movable Pulley Flange (rpm)
Hi-Static
Movable Pulley Maximum Full
Std
Turns from Closed Position
Hi-Static
Factory Setting — Full Turns Open
Std
Hi-Static
Factory Speed Setting (rpm)
Std
Hi-Static
Fan Shaft Diameter at Pulley (in.)

PHYSICAL DATA — 581B036-072 (cont)
UNIT SIZE 581B
FURNACE SECTION
Rollout Switch Cutout Temp (F)†
Burner Orifice Diameter (in. ...drill size)**
Natural Gas — Std

Liquid Propane — Alt††

581B036-150

Thermostat Heat Anticipator Setting (amps)
208/230/460 v
First Stage
Second Stage
Gas Input (Btuh)
First Stage/Second Stage (3-phase units)

Efficiency (Steady State) (%)

Temperature Rise Range

Manifold Pressure (in. wg)
Natural Gas — Std
Liquid Propane — Alt†
Gas Valve Quantity
Gas Valve Pressure Range (Min-Max Allowable)
Psig
in. wg
Maximum Static Pressure (in. wg)
Field Gas Connection Size (in. FPT)

036

071/072
114/115
149/150
060N
090N
120N
071/072
114115
149/150

072
115
150
071II
114II
149II
060N***
090N***
120N***
072
115
150
071
114
149
060N
090N
120N
072
115
150
071
114
149
060N
090N
120N

048

060

072

195

195

195

195

.113...33
.113...33
—
.102...38
.102...38
—
.089...43
.089...43
—

.113...33
.113...33
.129...30
.102...38
.102...38
.116...32
.089...43
.089...43
.102...38

.113...33
.113...33
.129...30
.102...38
.102...38
.116...32
.089...43
.089...43
.102...38

.113...33
.113...33
.129...30
—
—
—
.089...43
.089...43
.102...38

.14
.14

.14
.14

.14
.14

.14
.14

50,000/ 72,000
82,000/115,000
—
—/ 72,000
—/115,000
—
—/ 60,000
—/ 90,000
—
82
80
—
82
80
—
80
80
—
25-55
55-85
—
25-55
55-85
—
20-50
30-60
—

50,000/ 72,000
82,000/115,000
120,000/150,000
—/ 72,000
—/115,000
—/150,000
—/ 60,000
—/ 90,000
—/120,000
82
81
80
82
81
80
80
80
80
25-55
35-65
50-80
25-55
35-65
50-80
20-50
30-60
40-70

50,000/ 72,000
82,000/115,000
120,000/150,000
—/ 72,000
—/115,000
—/150,000
—/ 60,000
—/ 90,000
—/120,000
82
81
80
82
81
80
80
80
80
25-55
35-65
50-80
25-55
35-65
50-80
20-50
30-60
40-70

50,000/ 72,000
82,000/115,000
120,000/150,000
—
—
—
—
—
—
82
81
80
—
—
—
—
—
—
25-55
35-65
50-80
—
—
—
—
—
—

3.5
3.5
1

3.5
3.5
1

3.5
3.5
1

3.5
3.5
1

0.180-0.470
5.0-13.0
1.0
1/
2

0.180-0.470
5.0-13.0
1.0
1/
2

0.180-0.470
5.0-13.0
1.0
1/
2

0.180-0.470
5.0-13.0
1.0
1/
2

HIGH-PRESSURE SWITCH (psig)
Standard Compressor Internal Relief
Cutout
Reset (Auto.)
LOSS-OF-CHARGE SWITCH/LOW-PRESSURE
SWITCH (Liquid LIne) (psig)
Cutout
Reset (Auto.)
FREEZE PROTECTION THERMOSTAT
Opens (F)
Closes (F)
OUTDOOR-AIR INLET SCREENS
Quantity...Size (in.)
RETURN-AIR FILTERS
Quantity...Size (in.)

450 ± 50
428
320

7±3
22 ± 5
30 ± 5
45 ± 5
Cleanable
Varies By Option Selected
Throwaway
2...16 x 25 x 2

4...16 x 16 x 2

||California compliant three-phase models.
***California SCAQMD compliant low NOx models have combustion products that
are controlled to 40 nanograms per joule or less.

LEGEND

Bhp — Brake Horsepower
*Single phase/three phase.
†Indicates automatic reset.
**60,000 and 72,000 Btuh heat input units have 2 burners. 90,000 and
120,000 Btuh heat input units have 3 burners. 115,000 Btuh heat input units
and 150,000 Btuh Heat input units have 3 burners.
††An LP kit is available as an accessory. In order to convert a Low NOx unit to
LP gas, the baffle must be removed. Low NOx units converted to LP gas are
no longer California SCAQMD compliant.

88

PHYSICAL DATA — 581B090-150
UNIT SIZE 581B
NOMINAL CAPACITY (tons)

102
81/2

870

1015

120
10

150
121/2

1035

1050

2
50

2
60

Scroll
2
53

2
50
R-22

7-10
8- 2

9- 8
8-13

9-10
10-10

9-8
9-5

13-0
13-6

16-0
16-8

16-8
17-8

15-3
16-6

Propeller
2...22
2...22
6500
7000
1/ ...1100
1/ ...1100
4
4
650
650
3/ -in. OD Enhanced Copper Tubes, Aluminum Lanced Fins
8

2...22
6500
1/ ...1100
4
650

2...22
7000
1/ ...1100
4
650

2...17
20.5

2...17
25.0

2...17
25.0

2...17
25.0

1...17
6.3

1...17
8.4

1...17
8.4

1...17
8.4

Centrifugal
15 x 15
15 x 15
15 x 15
Belt
Belt
Belt
3400
4000
5000
2.90
3.70
5.25
4.20
5.25
—
56
56
56
840-1085
860-1080
830-1130
860-1080
830-1130
—
Ball
Ball
Ball
2100
2100
2100
3.4/4.4
4.0/5.0
2.8/3.8
4.0/5.0
2.8/3.8
—
7/
7/
7/
8
8
8
7.0
8.0
5.8
8.0
5.8
—
A...51
A...53
BX...48
A...53
BX...45
—
16.75-19.25
15.85-17.50
15.85-17.50
50
45
60
60
60
—
5
5
6
5
6
—
5
5
5
5
5
—
840
860
887
860
890
—
1
1
1
3/ -in. OD Enhanced Copper Tubes, Aluminum Double-Wavy Fins
8
4...15
4...15
4...15
11.1
11.1
11.1

15 x 15
Belt
3000
2.90
4.20
56
840-1085
860-1080
Ball
2100
3.4/4.4
4.0/5.0
7/
8
7.0
8.0
A...48
A...53
16.75-19.25
50
60
5
5
5
5
840
860
1
3...15
8.9

LEGEND
Bhp — Brake Horsepower

**72,000 Btuh heat input units have 2 burners.
115,000 Btuh heat input units and 150,000 Btuh Heat input units have
3 burners.
††An LP kit is available as an accessory.

*Single phase/three phase.
†Indicates automatic reset.

89

581B036-150

OPERATING WEIGHT (lb)
Unit
COMPRESSOR
Quantity
Oil (oz) (each compressor)
REFRIGERANT TYPE
Operating Charge (lb-oz)
Standard Unit
Circuit 1 (first stage)
Circuit 2 (second stage)
Unit With Perfect Humidity Dehumidification Package
Circuit 1 (first stage)
Circuit 2 (second stage)
CONDENSER FAN
Quantity...Diameter (in.)
Nominal Cfm
Motor Hp...Rpm
Watts Input (Total)
CONDENSER COIL
Standard Unit
Rows...Fins/in.
Total Face Area (sq ft)
Unit with Perfect Humidity Dehumidification Package
Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR FAN
Size (in.)
Type Drive
Nominal Cfm
Maximum Continuous Bhp
Std
Hi-Static
Motor Frame
Fan Rpm Range
Std
Hi-Static
Motor Bearing Type
Maximum Fan Rpm
Motor Pulley Pitch Diameter
Std
A/B (in.)
Hi-Static
Nominal Motor Shaft Diameter (in.)
Fan Pulley Pitch Diameter (in.)
Std
Hi-Static
Belt — Type...Length (in.)
Std
Hi-Static
Pulley Center Line Distance (in.)
Speed Change per Full Turn of
Std
Movable Pulley Flange (rpm)
Hi-Static
Movable Pulley Maximum Full
Std
Turns from Closed Position
Hi-Static
Factory Setting — Full Turns Open
Std
Hi-Static
Factory Speed Setting (rpm)
Std
Hi-Static
Fan Shaft Diameter at Pulley (in.)
EVAPORATOR COIL
Rows...Fins/in.
Total Face Area (sq ft)

090
71/2

PHYSICAL DATA — 581B090-150 (cont)
UNIT SIZE 581B
FURNACE SECTION
Rollout Switch Cutout Temp (F)†
Burner Orifice Diameter (in. ...drill size)**
Natural Gas — Std

090
195

Liquid Propane — Alt††

.120...31
.120...31
.120...31
.096...41
.096...41
.096...41

125
180
224
125
180
224

.14
.14
.14
.14
.20
.20
90,000
120,000
180,000
125,000
180,000
224,000
82
82
82
20-50
35-65
45-75

Stage 2

581B036-150

Stage 1
Stage 2

Efficiency (Steady State) (%)
125
180
224

Temperature Rise Range
Manifold Pressure (in. wg)
Natural Gas — Std
Liquid Propane — Alt††
Gas Valve Quantity
Gas Valve Pressure Range (Min-Max Allowable)
Psig
in. wg
Field Gas Connection Size (in. FPT)

120

195

125
180
224
125
180
224

Thermostat Heat Anticipator Setting (amps)
Stage 1

Gas Input (Btuh)

102

195

125
180
224
125
180
224

.120...31
.120...31
.120...31
.096...41
.096...41
.096...41

125
180
224
125
180
224

.14
.14
.14
.14
.20
.20
90,000
120,000
180,000
125,000
180,000
224,000
82
82
82
20-50
35-65
45-75

125
180
224

150
195

180
224
250
180
224
250

.120...31
.120...31
.129...30
.096...41
.096...41
.102...38

180
224
250
180
224
250

.14
.14
.14
.20
.20
.20
120,000
180,000
200,000
180,000
224,000
250,000
82
82
80
35-65
35-65
40-70

180
224
250

180
224
—
180
224
—

.120...31
.129...30
—
.096...41
.102...38
—
.14
.14
.20
.20

180
224
—
180
224
—

120,000
180,000
—
180,000
224,000
—
82
80

180
224
—

35-65
40-70
—

3.5
3.5

3.5
3.5

3.5
3.5

3.5
3.5

0.180-0.470
5.0-13.0
125
.50
180
.75
224
.75

0.180-0.470
5.0-13.0
125
.50
180
.75
224
.75

0.180-0.470
5.0-13.0
180
.75
224
.75
250
.75

0.180-0.470
5.0-13.0
180
.75
224
.75
—
—

1

1

1

HIGH-PRESSURE SWITCH (psig)
Standard Compressor Internal Relief
Cutout
Reset (Auto.)
LOSS-OF-CHARGE SWITCH/LOW-PRESSURE
SWITCH (Liquid LIne) (psig)
Cutout
Reset (Auto.)
FREEZE PROTECTION THERMOSTAT
Opens (F)
Closes (F)
OUTDOOR-AIR INLET SCREENS

1

450 ± 50
428
320

7±3
22 ± 7
30 ± 5
45 ± 5
Cleanable
1...20 x 25 x 1
1...16 x 25 x 1
Throwaway
4...20 x 20 x 2

Quantity...Size (in.)
RETURN-AIR FILTERS
Quantity...Size (in.)

4...16 x 20 x 2

4...20 x 20 x 2

LEGEND
Bhp — Brake Horsepower

4...20 x 20 x 2

**180,000 Btuh heat input units have 2 burners.
224,000 Btuh heat input units and 250,000 Btuh Heat input units have
3 burners.
††An LP kit is available as an accessory.

*Single phase/three phase.
†Indicates automatic reset.

581B — OPTION/ACCESSORY WEIGHTS
036
Option / Accessory
Perfect Humidity
Dehumidification System
Power Exhaust - vertical
Power Exhaust - horizontal
EconoMi$er ( IV or 2)
Two Position damper
(25%)
Two Position damper
(100%)
Manual Dampers
Hail Guard (louvered)
Hail Guard (standard hood
assembly)
Cu/Cu Condenser Coil
Cu/Cu Condenser and
Evaporator Coils
Roof Curb (14-in. curb)
Roof Curb (24-in. curb)

048

060

kg

lb

k
g

lb

15

7

23

10

50
30
50

23
14
23

50
30
50

23
14
23

22

10

22

39

18

12
16

072

090

102

120

150

kg

lb

kg

lb

kg

lb

kg

lb

kg

lb

25

11

29

13

44

20

51

23

51

23

51

23

50
30
50

23
14
23

50
30
50

23
14
23

75
30
75

34
14
34

75
30
75

34
14
34

75
30
75

34
14
34

75
30
75

34
14
34

10

22

10

22

10

32

15

32

15

32

15

32

15

39

18

39

18

39

18

58

26

58

26

58

26

58

26

5
7

12
16

5
7

12
16

5
7

18
16

8
7

18
34

8
15

18
34

8
15

18
34

8
15

18
34

8
15

25

11

25

11

25

11

25

11

38

17

50

23

50

23

50

23

6

3

13

6

13

6

15

7

12

5

23

10

23

10

23

10

lb

kg

12

5

19

9

21

10

26

12

25

11

49

22

49

22

49

22

115
197

52
89

115
197

52
89

115
197

52
89

115
197

52
89

143
245

65
111

143
245

65
111

143
245

65
111

143
245

65
111

90

BASE UNIT DIMENSIONS — 581B036-072

581B036-150

a48-8199

91

090
102
120
150

UNIT
581B

STD UNIT
WEIGHT
Lb
Kg
870
395
1015
460
1035
469
1050
476

ECONOMI$ER IV
WEIGHT
Lb
Kg
75
34.1
75
34.1
75
34.1
75
34.1

VERT. ECON IV
W/P.E. WEIGHT
Lb
Kg
145
65.9
145
65.9
145
65.9
145
65.9

(A)
CORNER WEIGHT
Lb
Kg
189
86
223
101
225
102
228
103

(B)
CORNER WEIGHT
Lb
Kg
161
73
188
85
192
87
195
88

(C)
CORNER WEIGHT
Lb
Kg
239
109
279
126
285
129
289
131

(D)
CORNER WEIGHT
Lb
Kg
280
127
327
148
333
151
338
153
ft-in.
2-07/8
1-27/8
1-27/8
1-27/8

“H”
mm
632
378
378
378

ft-in.
3-55/16
4-15/16
4-15/16
4-15/16

“J”
mm
1050
1253
1253
1253

581B036-150

“K”
ft-in.
2-911/16
3-03/8
3-03/8
3-03/8

mm
856
924
924
924

“L”
ft-in.
2- 27/16
2-107/16
2-107/16
2-107/16

mm
672
875
875
875

BASE UNIT DIMENSIONS — 581B090-150

a48-8200

92

ACCESSORY DIMENSIONS — 581B036-072

581B036-150

a48-8201

93

581B036-150

ACCESSORY DIMENSIONS — 581B090-150

a48-8202

94

SELECTION PROCEDURE (With 581B048 Example)

= 48,900 Btuh

– 897 Watts
Btuh
)
Watts
3061 Btuh

(3.413
=

48,900 Btuh

Net capacity =

45,839 Btuh

–

Net sensible capacity = 37,481 Btuh – 3061 Btuh
= 34,420 Btuh

95

581B036-150

IV DETERMINE FAN SPEED AND POWER REQUIREMENTS AT DESIGN CONDITIONS.
Before entering the Fan Performance tables, calculate the
total static pressure required based on unit components.
From the given and the Pressure Drop tables (page 133),
find:
External static pressure
.75 in. wg
Total static pressure
= .75 in. wg
Enter the Fan Performance table for 581B--048115 vertical discharge unit on page 104. At 1600 cfm and 0.75 in.
wg interpolation is required. The rpm is 1051. The bhp is
0.90. The watts are 897. The factory-installed standard
motor and drive are sufficient for operation.
V DETERMINE NET COOLING CAPACITY.
Cooling capacities are gross and do not include indoor-fan
motor (IFM) heat. Determine net capacity using the following formula:
Net capacity = gross capacity – IFM heat

I DETERMINE COOLING AND HEATING REQUIREMENTS AT DESIGN CONDITIONS.
Given:
Required Cooling Capacity (TC) . . . . . . . . . . 44,600 Btuh
Sensible Heat Capacity (SHC). . . . . . . . . . . . 32,000 Btuh
Required Heating Capacity . . . . . . . . . . . . . . 85,000 Btuh
Condenser Entering-Air Temperature . . . . . . . . . . . . 95 F
Evaporator Entering-Air Temperature . . . . . . . . 82 F edb,
67 F ewb
Evaporator Air Quantity . . . . . . . . . . . . . . . . . . . .1600 cfm
External Static Pressure (ESP) . . . . . . . . . . . . 0.75 in. wg
Electrical Characteristics (V-Ph-Hz). . . . . . . . . . . 230-1-60
II SELECT UNIT BASED ON REQUIRED COOLING
CAPACITY.
Enter the Cooling Capacities table (page 92) at condenser
entering temperature of 95 F, evaporator-air entering at
1600 cfm and 80 F db and 67 F wb. The 581B--048115
unit will provide cooling capacity of 48,900 Btuh and a
sensible heat capacity of 34,700 Btuh. For evaporator-air
temperature other than 80 F edb, calculate sensible heat
capacity correction, as required, using the formula found
in Note 3 following the Cooling Capacities tables.
For this example:
Correction factor = 1.10 x (1 – .21) x (82 – 80) = 1.738
Multiply the correction factor of 1.738 by 1600 cfm (a total
of 2781). From the Gross Cooling Capacities tables find
that the sensible heat capacity at 80 F is 34.7 MBtuh
(equivalent to 34,700 Btuh). Add 34,700 and 2781 to get
the corrected sensible heat capacity of 37,481.
NOTE: Unit ratings are gross capacities and do not
include the effect of evaporator-fan motor heat. To calculate net capacities, see Step V.
III SELECT HEATING CAPACITY OF UNIT TO PROVIDE
DESIGN CONDITION REQUIREMENTS.
In the Heating Capacities and Efficiencies table (page 10)
note that unit 581B--048115 will provide output capacity of
93,150 Btuh, which is adequate for the given application.

PERFORMANCE DATA
COOLING CAPACITIES, STANDARD UNITS
581B036 (3 TONS)
Temp (F)
Air Ent
Condenser
(Edb)
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

75
85
95

581B036-150

105
115
125

900/0.14
72
41.9
20.4
2.19
40.7
19.9
2.46
39.3
19.5
2.75
37.7
18.8
3.06
36.0
18.3
3.41
34.2
17.6
3.78

67
38.7
25.2
2.16
37.5
24.7
2.42
36.1
24.1
2.71
34.6
23.5
3.02
33.0
22.9
3.36
31.3
22.2
3.73

62
35.7
29.7
2.12
34.5
29.2
2.39
33.1
28.4
2.66
31.7
27.8
2.98
29.7
26.7
3.31
27.8
25.8
3.66

Air Entering Evaporator — Cfm/BF
1200/0.17
Air Entering Evaporator — Ewb
72
67
62
43.5
40.8
37.7
21.8
28.2
33.8
2.21
2.18
2.15
42.1
39.3
36.4
21.5
27.7
33.2
2.47
2.44
2.41
40.8
37.8
34.9
21.1
27.2
32.5
2.77
2.73
2.69
39.3
36.2
33.4
20.7
26.6
31.8
3.09
3.04
3.01
37.4
34.5
31.5
19.9
26.1
30.9
3.43
3.39
3.34
35.6
32.7
29.4
19.4
25.4
29.4
3.80
3.76
3.71

1500/0.20
72
44.8
23.3
2.23
43.5
23.2
2.50
42.0
22.8
2.79
40.1
22.1
3.10
38.1
21.3
3.44
36.3
20.8
3.81

67
41.8
30.7
2.19
40.4
30.3
2.45
38.9
29.9
2.74
37.2
29.3
3.06
35.5
28.7
3.41
33.6
28.0
3.78

62
39.0
37.0
2.16
37.6
36.4
2.42
36.1
35.6
2.71
34.7
34.7
3.03
33.2
33.2
3.37
31.9
31.8
3.75

581B048 (4 TONS)
Temp (F)
Air Ent
Condenser
(Edb)
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

75
85
95
105
115
125

72
55.9
27.6
2.83
54.1
26.9
3.22
51.9
26.1
3.65
49.8
25.3
4.12
47.7
24.9
4.65
45.1
24.1
5.20

Air Entering Evaporator — Cfm/BF
1450/0.19
1600/0.21
Air Entering Evaporator — Ewb (F)
67
62
72
67
52.2
47.7
56.4
52.8
35.1
41.8
28.2
36.2
2.81
2.78
2.83
2.80
50.4
45.9
54.5
51.0
34.5
40.8
27.5
35.7
3.20
3.17
3.22
3.20
48.4
43.5
52.5
48.9
33.6
39.6
26.8
34.7
3.62
3.60
3.65
3.62
46.2
40.7
50.2
46.7
32.8
38.2
26.0
33.9
4.09
4.06
4.12
4.09
43.3
37.0
48.0
44.4
31.8
36.3
25.4
33.4
4.62
4.55
4.64
4.63
39.0
33.8
45.3
40.1
30.2
33.7
24.7
31.9
5.15
5.09
5.19
5.17

72
72.5
35.7
3.55
70.5
35.0
4.00
68.3
34.5
4.50
65.9
33.7
5.05
62.8
32.5
5.62
59.9
31.7
6.28

Air Entering Evaporator — Cfm/BF
1750/0.09
2000/0.11
Air Entering Evaporator — Ewb (F)
67
62
72
67
67.3
61.1
73.0
68.4
45.5
54.2
36.8
48.0
3.50
3.46
3.55
3.51
65.1
57.9
72.2
66.4
44.8
52.8
37.0
47.6
3.96
3.90
4.03
3.97
62.5
54.3
69.3
63.8
43.8
51.1
36.0
46.7
4.45
4.37
4.51
4.46
59.8
51.7
66.9
61.1
42.8
49.7
35.3
45.7
4.99
4.90
5.06
5.00
56.7
49.1
64.0
58.2
41.6
48.2
34.4
44.6
5.58
5.49
5.65
5.60
53.4
46.2
60.8
54.9
40.4
46.2
33.3
43.4
6.21
6.13
6.29
6.24

1200/0.17
72
54.0
26.1
2.81
52.2
25.4
3.20
50.7
24.9
3.64
48.8
24.3
4.12
46.5
23.4
4.64
43.8
22.5
5.19

67
50.7
32.7
2.80
48.9
32.0
3.19
46.9
31.1
3.61
44.5
30.2
4.09
41.1
28.9
4.59
37.5
27.4
5.13

62
44.2
37.5
2.76
41.9
36.4
3.15
39.5
35.0
3.57
36.7
33.6
4.03
34.3
32.4
4.53
32.4
31.5
5.05

2000/0.24
62
49.1
43.8
2.79
47.2
42.8
3.18
45.2
41.8
3.60
42.1
40.3
4.07
38.5
38.3
4.56
35.4
35.4
5.11

72
58.1
30.2
2.84
55.3
28.6
3.22
53.9
28.8
3.67
51.5
27.9
4.14
48.9
27.1
4.65
46.3
26.5
5.20

67
54.5
39.5
2.82
52.3
38.5
3.20
50.1
37.5
3.63
48.2
37.4
4.11
45.7
36.9
4.63
42.6
35.9
5.19

62
50.6
47.5
2.79
48.7
46.6
3.18
46.7
45.6
3.61
44.7
44.4
4.08
42.0
42.0
4.60
38.8
38.8
5.15

581B060 (5 TONS)
Temp (F)
Air Ent
Condenser
(Edb)
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

75
85
95
105
115
125

1500/0.08
72
70.8
34.1
3.53
68.9
33.5
3.98
66.8
32.8
4.48
64.3
32.0
5.03
61.5
31.0
5.61
58.7
30.0
6.27

67
65.4
42.7
3.49
63.2
41.8
3.94
60.6
40.7
4.43
57.7
39.6
4.96
54.8
38.4
5.55
51.6
37.2
6.19

62
58.5
49.9
3.44
55.3
48.4
3.87
52.4
47.0
4.35
49.9
45.8
4.87
47.3
44.5
5.46
44.5
43.1
6.09

Standard Ratings
BF
Edb
Ewb
kW
SHC
TC

—
—
—
—
—
—

2500/0.13
62
62.8
57.8
3.47
60.2
56.8
3.92
56.6
55.0
4.40
54.1
53.5
4.93
51.6
51.6
5.52
49.0
48.9
6.17

72
74.8
39.6
3.57
73.2
39.3
4.04
71.2
39.1
4.55
68.4
38.4
5.08
65.4
37.4
5.67
62.2
36.4
6.31

67
70.3
53.0
3.54
68.1
52.5
3.99
65.6
51.8
4.48
62.8
51.0
5.02
59.9
50.0
5.61
56.8
48.9
6.27

62
64.8
63.4
3.48
62.9
62.4
3.94
60.6
60.5
4.44
58.4
58.4
4.98
56.1
56.1
5.57
53.5
53.4
6.22

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm

LEGEND
Bypass Factor
Entering Dry Bulb
Entering Wet Bulb
Compressor Motor Power Input
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

tlwb

=

Wet-bulb temperature corresponding to enthalpy of air leaving
evaporator coil (hlwb)

hlwb

=

hewb

–

total capacity (Btuh)
4.5 x cfm

Where: hewb = Enthalpy of air entering evaporator coil.
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

96

PERFORMANCE DATA (cont)
COOLING CAPACITIES, STANDARD UNITS (cont)
581B072 (6 TONS)
Temp (F)
Air Ent
Condenser
(Edb)
75
85
95
105

125

72
86.7
43.0
4.58
84.1
42.0
5.10
81.3
41.0
5.65
77.9
39.7
6.22
74.7
38.7
6.84
70.3
37.2
7.43

67
80.7
53.7
4.46
78.2
52.6
4.97
75.3
51.4
5.52
72.0
50.2
6.08
68.4
48.8
6.68
63.6
47.0
7.25

62
74.4
63.8
4.33
72.0
62.7
4.85
69.2
61.4
5.39
66.1
60.0
5.94
61.8
58.1
6.49
57.2
55.8
7.03

72
88.8
45.0
4.63
86.4
44.5
5.16
83.4
43.4
5.71
80.0
42.2
6.29
75.9
40.8
6.87
71.8
39.5
7.48

Air Entering Evaporator — Cfm/BF
2100/0.06
2400/0.06
Air Entering Evaporator — Ewb (F)
67
62
72
67
82.7
76.6
90.5
84.4
57.4
68.9
47.2
61.2
4.50
4.38
4.67
4.55
80.3
74.1
88.2
81.7
56.6
68.0
46.8
60.2
5.03
4.90
5.21
5.06
77.3
71.3
85.1
78.9
55.3
66.6
45.8
59.2
5.57
5.44
5.77
5.62
73.8
68.0
81.6
75.3
54.0
65.2
44.6
57.8
6.13
6.00
6.34
6.17
70.0
64.1
77.6
71.3
52.6
63.2
43.3
56.4
6.71
6.56
6.93
6.75
65.5
59.1
72.9
66.8
51.0
59.1
41.7
55.0
7.30
7.13
7.51
7.35

3000/0.08
62
78.2
73.6
4.41
75.7
72.5
4.93
72.9
71.2
5.48
69.6
69.3
6.04
66.5
66.4
6.63
61.9
61.9
7.22

72
92.6
51.2
4.72
90.2
50.6
5.26
87.2
50.2
5.83
83.4
49.0
6.40
78.7
46.9
6.96
74.0
45.4
7.54

67
86.3
67.4
4.58
84.0
67.4
5.12
80.6
65.8
5.66
77.1
64.5
6.22
73.0
63.2
6.80
68.6
61.8
7.41

62
81.0
80.7
4.47
78.8
78.7
4.99
76.2
76.2
5.55
73.2
73.2
6.12
70.1
70.0
6.72
66.4
66.3
7.33

581B090 (71/2 TONS)
Temp (F)
Air Ent
Condenser
(Edb)
75
85
95
105
115
125

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

2250/0.10
72
105.5
50.6
5.15
102.5
49.7
5.86
98.9
48.5
6.65
95.3
47.3
7.51
91.0
45.9
8.43
86.2
44.1
9.38

67
96.9
63.6
5.07
93.6
62.4
5.79
90.1
61.2
6.58
86.2
59.6
7.44
82.0
58.0
8.33
77.8
56.4
9.29

62
87.6
75.7
5.04
83.6
73.9
5.73
79.3
71.9
6.49
75.7
70.2
7.31
71.6
68.1
8.20
68.1
66.3
9.14

Air Entering Evaporator — Cfm/BF
3000/0.11
Air Entering Evaporator — Ewb (F)
72
67
62
107.3
99.6
90.7
53.3
69.2
83.7
5.16
5.11
5.06
105.1
96.5
87.5
52.8
68.4
82.2
5.89
5.82
5.77
101.6
92.9
83.5
51.9
67.2
80.2
6.69
6.61
6.53
97.6
88.8
79.6
50.7
65.9
78.0
7.55
7.48
7.36
93.2
84.5
75.4
49.3
64.2
75.3
8.46
8.37
8.27
88.3
80.0
71.9
47.5
62.6
71.8
9.43
9.34
9.24

3750/0.14
72
110.3
58.0
5.20
107.7
57.3
5.93
103.8
56.2
6.72
100.0
55.3
7.59
95.6
54.2
8.52
90.0
52.1
9.47

67
101.9
76.6
5.13
99.0
75.9
5.86
95.3
74.9
6.64
91.0
73.6
7.50
86.6
72.1
8.42
81.9
70.1
9.38

62
93.8
92.2
5.07
90.6
90.0
5.78
87.4
87.3
6.57
84.1
84.1
7.41
80.7
80.7
8.34
77.2
77.2
9.32

581B102 (81/2 TONS)
Temp (F)
Air Ent
Condenser
(Edb)
75
85
95
105
115
125

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

2550/0.11
57
94.6
94.6
5.72
91.0
91.0
6.46
85.2
85.2
7.24
80.0
80.0
8.08
73.6
73.6
9.00
68.6
68.6
9.98

62
101.0
84.4
5.76
97.4
83.0
6.5
91.4
80.4
7.28
82.2
76.6
8.12
74.6
73.0
9.00
68.6
68.6
9.98

67
110.0
69.4
5.76
106.8
68.8
6.52
103.0
67.2
7.36
98.6
65.6
8.26
89.4
62.2
9.16
80.2
59.0
10.14

72
119.2
54.4
5.82
115.8
53.2
6.58
112.8
52.6
7.42
108.6
51.2
8.32
103.4
49.6
9.28
98.2
48.0
10.32

57
100.4
100.4
5.74
97.4
97.4
6.50
93.4
93.4
7.30
87.0
87.0
8.16
81.0
81.0
9.08
74.4
74.4
10.06

Air Entering Evaporator — Cfm/BF
3000/0.12
3400/0.13
Air Entering Evaporator — Ewb (F)
62
67
57
62
67
72
104.4
113.4
121.8
104.2
106.8
115.8
92.4
75.0
57.2
104.2
99.0
80.0
5.76
5.80
5.86
5.74
5.76
5.82
101.0
110.0
119.6
101.2
103.0
112.0
91.2
74.2
57.0
101.2
97.6
78.8
6.52
6.54
6.60
6.50
6.52
6.54
96.6
106.2
116.0
98.2
99.2
108.4
73.0
55.8
98.2
96.2
78.2
89.4
7.32
7.38
7.44
7.34
7.36
7.4
87.8
101.6
111.8
93.4
93.6
103.8
85.6
71.6
54.8
93.4
93.2
76.6
8.16
8.28
8.36
8.20
8.20
8.3
81.2
95.2
106.4
86.2
86.2
98.4
81.2
69.4
53.0
86.2
86.2
75.0
9.08
9.22
9.30
9.14
9.14
9.26
74.4
84.0
101.0
79.2
79.2
86.8
74.4
65.4
51.6
79.2
79.2
71.0
10.06
10.18
10.36
10.14
10.14
10.22

Standard Ratings
BF
Edb
Ewb
kW
SHC
TC

—
—
—
—
—
—

4250/0.17
57
123.4
59.8
5.88
121.6
59.6
6.64
117.8
58.8
7.46
114.0
57.8
8.38
108.4
56.4
9.34
102.8
54.6
10.38

62
109.8
109.8
5.76
108.0
108.0
6.54
104.6
104.6
7.36
101.0
101.0
8.28
96.4
96.4
9.22
88.0
88.0
10.24

67
111.0
110.4
5.78
108.0
108.0
6.54
104.6
104.6
7.36
100.8
100.8
8.28
96.4
96.4
9.22
88.0
88.0
10.24

72
119.0
89.4
5.84
116.0
89.4
6.60
111.6
88.0
7.42
106.8
86.8
8.30
101.6
85.4
9.30
93.8
82.8
10.28

57
125.8
64.2
5.90
123.4
64.2
6.64
121.2
64.6
7.50
116.6
63.6
8.40
111.8
62.8
9.38
105.6
61.0
10.42

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb = Wet-bulb temperature corresponding to enthalpy of
air leaving evaporator coil (hlwb)

LEGEND
Bypass Factor
Entering Dry Bulb
Entering Wet Bulb
Compressor Motor Power Input
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

total capacity (Btuh)
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil.
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).
hlwb

97

=

hewb

–

581B036-150

115

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

1800/0.05

PERFORMANCE DATA (cont)
COOLING CAPACITIES, STANDARD UNITS (cont)
581B120 (10 TONS)
Temp (F)
Air Ent
Condenser
(Edb)
75
85
95

581B036-150

105
115
125

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

72
141.2
66.7
7.37
138.9
66.3
8.32
135.1
65.2
9.35
129.8
63.6
10.47
124.3
61.9
11.68
118.5
60.0
13.02

Air Entering Evaporator — Cfm/BF
3200/0.03
4000/0.04
Air Entering Evaporator — Ewb
67
62
72
67
130.4
118.1
145.2
134.0
84.4
101.5
71.3
93.1
7.23
7.13
7.46
7.31
126.6
113.6
142.6
130.6
83.6
99.7
71.0
92.8
8.16
8.03
8.40
8.24
121.9
107.2
138.8
125.8
82.0
97.0
70.6
91.5
9.18
9.00
9.44
9.27
116.6
99.7
133.7
120.3
80.2
93.5
69.4
89.6
10.30
10.07
10.57
10.38
110.3
92.2
127.9
114.4
77.8
90.0
67.6
87.6
11.51
11.25
11.77
11.60
103.0
87.4
121.6
107.1
75.0
87.3
65.8
85.1
12.81
12.55
13.10
12.92

72
169.8
85.8
9.50
165.1
84.4
10.55
159.6
83.0
11.69
153.0
80.8
12.83
144.3
77.9
13.94
134.8
74.8
15.14

Air Entering Evaporator — Cfm/BF
4300/0.09
5000/0.11
Air Entering Evaporator — Ewb
67
62
72
67
157.7
144.8
173.5
160.6
109.7
132.0
90.3
117.7
9.26
9.01
9.60
9.33
152.5
139.5
168.8
155.3
107.9
129.9
89.6
115.8
10.27
10.02
10.67
10.32
146.8
131.3
162.3
149.8
106.1
126.0
87.6
114.2
11.39
11.10
11.75
11.47
139.3
120.9
155.6
142.5
103.5
120.0
85.7
112.3
12.52
12.20
12.91
12.62
126.1
110.8
147.7
129.4
98.5
110.8
83.4
107.3
13.64
13.35
14.05
13.73
111.4
100.7
137.6
114.4
92.9
100.7
80.2
101.4
14.75
14.55
15.23
14.85

3000/0.03
72
140.3
65.6
7.35
137.7
65.0
8.29
133.8
63.9
9.33
128.7
62.3
10.46
123.2
60.4
11.66
117.5
58.5
12.99

67
129.4
82.2
7.21
125.3
81.2
8.13
120.7
79.6
9.16
115.4
77.6
10.28
109.1
75.1
11.47
101.8
72.5
12.77

62
115.0
97.4
7.12
110.0
95.2
8.02
103.0
92.2
8.98
96.5
89.4
10.00
90.8
86.6
11.20
86.2
84.5
12.50

5000/0.04
62
122.1
113.5
7.17
117.7
112.0
8.09
112.8
109.7
9.07
107.1
106.8
10.21
100.8
100.7
11.41
96.0
96.0
12.74

72
147.5
77.9
7.51
144.6
76.9
8.45
141.7
76.9
9.51
136.7
76.0
10.66
130.9
74.6
11.89
124.1
72.5
13.19

67
136.6
103.7
7.37
133.3
103.1
8.31
128.5
102.5
9.33
122.8
100.6
10.43
116.8
98.7
11.66
110.3
96.9
13.01

62
125.3
124.7
7.22
122.3
122.2
8.16
118.5
118.4
9.19
114.5
114.3
10.31
110.1
109.9
11.58
104.8
104.8
12.91

581B150 (121/2 TONS)
Temp (F)
Air Ent
Condenser
(Edb)
75
85
95
105
115
125

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

3750/0.08
72
167.1
82.5
9.44
162.3
80.9
10.49
156.5
79.1
11.60
150.0
76.5
12.76
141.8
73.6
13.85
132.5
70.9
15.04

67
154.3
103.5
9.18
149.3
101.4
10.18
143.7
99.5
11.30
136.2
96.7
12.42
122.2
91.2
13.55
108.6
85.7
14.66

62
142.0
123.6
8.95
135.6
120.9
9.97
126.3
116.5
11.01
115.7
111.2
12.09
104.4
104.2
13.22
93.9
93.8
14.44

Standard Ratings
BF
Edb
Ewb
kW
SHC
TC

—
—
—
—
—
—

6250/0.13
62
148.4
141.9
9.07
143.5
139.8
10.11
136.5
135.8
11.20
138.5
128.4
12.32
118.9
118.4
13.50
106.6
106.5
14.72

72
176.5
98.2
9.68
172.1
97.6
10.75
166.5
95.8
11.87
158.8
93.6
12.96
150.7
91.8
14.15
140.3
89.0
15.29

67
164.5
130.7
9.43
159.2
129.3
10.43
153.2
127.7
11.56
145.9
125.9
12.72
135.2
121.9
13.86
122.9
116.3
14.94

62
153.3
153.1
9.17
149.3
149.1
10.21
144.5
144.4
11.35
138.8
138.7
12.52
130.1
129.9
13.70
120.1
120.1
14.84

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm

LEGEND
Bypass Factor
Entering Dry Bulb
Entering Wet Bulb
Compressor Motor Power Input
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

tlwb

=

Wet-bulb temperature corresponding to enthalpy of air leaving
evaporator coil (hlwb)

hlwb

=

hewb

–

total capacity (Btuh)
4.5 x cfm

Where: hewb = Enthalpy of air entering evaporator coil.
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

98

PERFORMANCE DATA (cont)
COOLING CAPACITIES — UNITS WITH PERFECT HUMIDITY™ ADAPTIVE DEHUMIDIFICATION SYSTEM OPTION
581B036 (3 TONS) — SUBCOOLING MODE
Temp (F)
Air Ent
Condenser
(Edb)
75
85
95
105
115
125

72
41.3
17.5
2.19
38.6
15.2
2.46
35.9
13.0
2.74
33.8
10.9
3.05
31.8
9.0
3.40
28.7
6.9
3.78

67
37.3
22.4
2.14
34.4
20.1
2.40
31.4
17.9
2.68
29.7
15.8
3.00
28.0
13.7
3.36
26.3
12.2
3.73

62
34.3
26.7
2.10
31.6
25.1
2.37
28.8
23.3
2.63
27.4
21.0
2.97
25.5
18.4
3.31
23.4
17.3
3.66

Air Entering Evaporator — Cfm/BF
1200/0.17
Air Entering Evaporator — Ewb (F)
72
67
62
43.5
39.2
35.9
19.6
25.5
31.2
2.21
2.16
2.14
41.3
37.5
33.3
17.1
23.2
29.0
2.47
2.43
2.40
39.2
35.9
30.6
14.5
21.1
26.9
2.76
2.74
2.67
36.3
32.2
28.7
12.5
18.9
24.6
3.09
3.04
2.99
33.2
28.7
26.5
10.3
16.8
22.3
3.45
3.38
3.32
29.7
25.5
22.9
7.9
14.5
20.6
3.84
3.77
3.71

1500/0.20
72
45.5
21.5
2.24
43.5
18.9
2.51
41.3
16.1
2.80
38.1
14.0
3.12
34.9
11.9
3.48
31.3
9.2
3.87

67
41.6
28.5
2.19
38.6
26.3
2.45
35.7
24.2
2.75
32.8
21.7
3.07
30.0
19.3
3.41
27.1
17.3
3.79

62
38.2
35.2
2.16
35.5
32.9
2.42
32.9
30.6
2.71
30.4
28.1
3.03
27.9
25.2
3.37
25.5
22.3
3.75

581B036 (3 TONS) — HOT GAS REHEAT MODE
75 Dry Bulb
62.5 Wet Bulb
(50% Relative)

Temp (F)
Air Ent
Condenser
(Edb)

80
75
70
60
50
40

BF
Edb
Ewb
kW
SHC
TC

—
—
—
—
—
—

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

900
12.83
4.06
2.12
13.61
4.62
2.11
14.39
5.17
2.10
15.95
6.27
2.09
17.50
7.37
2.07
19.06
8.47
2.06

1200
15.84
5.69
2.12
16.44
6.16
2.11
17.05
6.62
2.10
18.26
7.55
2.09
19.48
8.47
2.07
20.69
9.40
2.06

1500
18.20
6.98
2.12
18.67
7.37
2.11
19.14
7.77
2.10
20.08
8.56
2.09
21.02
9.35
2.07
21.07
10.13
2.06

Air Entering Evaporator — Ewb (F)
75 Dry Bulb
64 Wet Bulb
(55% Relative)
Air Entering Evaporator — Cfm
900
1200
1500
13.24
16.31
18.73
2.21
3.83
5.12
2.13
2.13
2.13
14.03
16.93
19.20
2.89
4.43
5.65
2.12
2.12
2.12
14.82
17.54
19.68
3.58
5.03
6.18
2.12
2.12
2.12
16.40
18.77
20.63
4.95
6.23
7.24
2.11
2.11
2.11
17.98
20.00
21.58
6.32
7.43
8.30
2.10
2.10
2.10
19.56
21.23
22.54
7.71
8.63
9.36
2.08
2.08
2.08

LEGEND
Bypass Factor
Entering Dry Bulb
Entering Wet Bulb
Compressor Motor Power Input
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

75 Dry Bulb
65.3 Wet Bulb
(60% Relative)
900
13.58
.59
2.14
14.39
1.40
2.14
15.19
2.20
2.13
16.79
3.81
2.12
18.40
5.42
2.12
20.00
7.02
2.11

1200
16.72
2.20
2.14
17.34
2.93
2.14
17.96
3.65
2.13
19.21
5.09
2.12
20.45
6.52
2.12
21.70
7.95
2.11

1500
19.18
3.50
2.14
19.67
4.15
2.14
20.15
4.80
2.13
21.11
6.10
2.12
22.07
7.39
2.12
23.03
8.69
2.11

2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb = Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)
hlwb = hewb –

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.

total capacity (Btuh)
4.5 x cfm

Where: hewb = Enthalpy of air entering evaporator coil.
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

99

581B036-150

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

900/0.14

PERFORMANCE DATA (cont)
COOLING CAPACITIES — UNITS WITH PERFECT HUMIDITY™ ADAPTIVE DEHUMIDIFICATION SYSTEM OPTION (cont)
581B048 (4 TONS) — SUBCOOLING MODE
Temp (F)
Air Ent
Condenser
(Edb)
75
85

581B036-150

95
105
115
125

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

1200/0.17
72
52.9
22.7
2.87
49.2
19.8
3.26
45.8
17.2
3.71
41.6
13.5
4.20
37.2
9.9
4.73
32.4
7.2
5.29

67
47.5
28.4
2.86
43.8
25.5
3.25
40.1
22.5
3.68
37.0
19.5
4.17
33.2
16.4
4.68
28.1
12.9
5.23

62
41.5
33.4
2.82
37.1
30.4
3.21
32.8
27.3
3.64
29.7
23.9
4.11
27.1
20.7
4.62
24.9
18.3
5.15

72
55.7
26.1
2.89
52.1
22.2
3.28
48.2
18.4
3.72
43.2
14.7
4.20
38.4
11.3
4.74
33.8
8.4
5.30

Air Entering Evaporator — Cfm/BF
1450/0.19
1600/0.21
Air Entering Evaporator — Ewb (F)
67
62
72
67
50.9
47.5
57.0
51.7
34.1
38.9
25.9
33.7
2.87
2.84
2.89
2.86
47.2
43.6
52.9
47.9
29.5
35.8
22.4
31.1
3.26
3.23
3.28
3.26
43.6
39.4
48.8
44.0
24.8
32.6
19.0
28.1
3.69
3.67
3.72
3.69
38.9
35.4
43.9
39.7
21.7
29.2
15.0
23.7
4.17
4.14
4.20
4.17
34.0
30.8
39.4
35.5
18.5
25.6
11.2
19.7
4.71
4.64
4.73
4.72
28.1
27.4
35.3
30.5
14.5
21.9
16.8
21.1
5.25
5.19
5.29
5.27

2000/0.24
62
48.1
41.6
2.85
43.7
38.7
3.24
39.3
35.9
3.67
34.7
30.6
4.15
30.0
25.4
4.65
26.6
21.2
5.21

72
60.5
29.4
2.90
55.4
24.2
3.28
51.7
20.7
3.74
46.5
16.4
4.22
41.3
12.4
4.74
36.1
9.5
5.30

67
55.6
39.1
2.88
51.4
36.0
3.26
47.4
33.0
3.70
41.4
27.8
4.19
35.2
22.4
4.72
32.0
18.3
5.29

62
52.1
47.5
2.85
47.0
44.3
3.24
43.0
41.0
3.68
37.5
35.1
4.16
31.9
28.6
4.69
28.7
24.1
5.25

581B048 (4 TONS) — HOT GAS REHEAT MODE*
75 Dry Bulb
62.5 Wet Bulb
(50% Relative)

Temp (F)
Air Ent
Condenser
(Edb)

80
75
70
60
50
40

BF
Edb
Ewb
kW
SHC
TC

—
—
—
—
—
—

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

1200
12.13
1.01
2.76
13.25
1.60
7.54
14.37
2.18
2.70
16.60
3.35
2.64
18.83
4.51
2.59
21.06
5.68
2.53

1450
14.30
1.60
2.76
15.28
2.14
7.54
16.27
2.69
2.70
18.24
3.79
2.64
20.22
4.89
2.59
22.19
5.99
2.53

1600
15.43
1.90
2.76
16.34
2.43
7.57
17.26
2.96
2.70
19.10
4.03
2.64
20.94
5.09
2.59
22.78
6.16
2.53

Air Entering Evaporator — Ewb (F)
75 Dry Bulb
64 Wet Bulb
(55% Relative)
Air Entering Evaporator — Cfm
1200
1450
1600
14.98
17.20
18.36
–0.18
0.41
0.72
2.75
2.75
2.75
15.96
18.05
19.14
0.50
1.05
1.34
7.61
7.64
7.66
16.94
18.90
19.92
1.17
1.69
1.96
2.70
2.70
2.70
18.91
20.60
21.48
2.52
2.97
3.21
2.65
2.65
2.65
20.87
22.30
23.04
3.86
4.25
4.45
2.60
2.60
2.60
22.84
24.00
24.61
5.21
5.53
5.69
2.55
2.55
2.55

75 Dry Bulb
65.3 Wet Bulb
(60% Relative)
1200
17.44
–1.20
2.74
18.31
–0.45
7.66
19.17
0.30
2.70
20.91
1.80
2.65
22.65
3.30
2.61
24.38
4.80
2.57

1450
19.71
–0.61
2.74
20.44
0.11
7.70
21.17
0.82
2.70
22.64
2.25
2.65
24.10
3.69
2.61
25.57
5.12
2.57

1600
20.90
–0.30
2.74
21.56
0.40
7.71
22.22
1.10
2.70
23.54
2.50
2.65
24.86
3.89
2.61
26.19
5.29
2.57

2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm

LEGEND
Bypass Factor
Entering Dry Bulb
Entering Wet Bulb
Compressor Motor Power Input
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

tlwb = Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)
hlwb = hewb –

*Negative SHC value indicates that the air entering the coil is being
heated.
NOTES:
1. Direct interpolation is permissible. Do not extrapolate.

total capacity (Btuh)
4.5 x cfm

Where: hewb = Enthalpy of air entering evaporator coil.
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

100

PERFORMANCE DATA (cont)
COOLING CAPACITIES — UNITS WITH PERFECT HUMIDITY™ ADAPTIVE DEHUMIDIFICATION SYSTEM OPTION (cont)
581B060 (5 TONS) — SUBCOOLING MODE
Temp (F)
Air Ent
Condenser
(Edb)
75
85
95

115
125

72
69.9
29.0
3.61
65.9
25.3
4.05
61.9
21.6
4.53
57.7
18.1
5.05
53.4
14.7
5.60
48.7
10.9
6.26

67
62.7
36.9
3.55
59.1
34.0
3.97
55.2
31.1
4.43
51.1
27.8
4.93
47.2
24.6
5.49
42.0
19.6
6.12

62
56.2
43.9
3.51
51.7
41.9
3.91
47.7
40.0
4.35
44.9
35.7
4.84
42.0
31.5
5.40
36.9
28.0
6.02

72
74.7
31.7
3.64
70.6
27.5
4.07
66.5
23.5
4.55
61.8
20.0
5.09
56.6
16.5
5.64
51.3
12.5
6.28

Air Entering Evaporator — Cfm/BF
1750/0.09
2000/0.11
Air Entering Evaporator — Ewb (F)
67
62
72
67
67.3
61.0
78.5
71.2
40.5
51.2
34.5
44.2
3.58
3.49
3.65
3.60
63.2
56.3
75.5
66.8
37.6
48.0
30.7
41.6
4.01
3.92
4.11
4.00
58.8
51.3
70.4
61.9
34.5
44.6
26.0
38.6
4.47
4.37
4.56
4.42
54.5
47.7
65.1
57.2
31.2
40.1
22.1
34.3
4.97
4.88
5.11
4.96
50.0
44.2
59.6
52.5
27.8
35.7
18.2
30.0
5.52
5.45
5.69
5.55
45.0
39.0
54.1
46.8
22.2
31.5
13.5
24.0
6.18
6.09
6.33
6.18

2500/0.13
62
64.8
55.4
3.51
60.7
52.0
3.95
55.7
47.9
4.41
50.8
43.5
4.92
46.2
39.0
5.48
40.9
34.0
6.13

72
81.7
37.8
3.62
78.1
33.8
4.08
74.2
30.0
4.58
68.4
26.1
5.11
62.6
22.1
5.69
56.9
16.5
6.33

67
75.5
52.0
3.58
70.8
47.4
4.02
65.9
42.8
4.49
60.3
38.9
5.03
54.9
34.9
5.61
49.2
28.0
6.27

62
69.3
62.8
3.51
65.1
58.0
3.96
60.6
52.6
4.44
56.1
48.5
4.98
51.6
44.3
5.57
45.9
38.8
6.22

581B060 (5 TONS) — HOT GAS REHEAT MODE*
75 Dry Bulb
62.5 Wet Bulb
(50% Relative)

Temp (F)
Air Ent
Condenser
(Edb)

80
75
70
60
50
40

BF
Edb
Ewb
kW
SHC
TC

—
—
—
—
—
—

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

1500
17.67
–0.39
3.45
18.55
0.28
3.43
19.44
0.95
3.42
21.20
2.30
3.38
22.96
3.64
3.35
24.73
4.99
3.32

1750
19.23
0.07
3.45
20.03
0.71
3.43
20.83
1.36
3.42
22.44
2.65
3.38
24.05
3.94
3.35
25.66
5.23
3.32

2000
20.59
0.46
3.45
21.32
1.09
3.43
22.06
1.71
3.42
23.53
2.95
3.38
25.00
4.20
3.35
26.48
5.45
3.32

Air Entering Evaporator — Ewb (F)
75 Dry Bulb
64 Wet Bulb
(55% Relative)
Air Entering Evaporator — Cfm
1500
1750
2000
17.51
19.09
20.48
–1.61
–1.15
–0.75
3.48
3.48
3.48
18.45
19.95
21.27
–0.85
–0.42
–0.04
3.46
3.46
3.46
19.39
20.81
22.06
–0.09
0.32
0.68
3.45
3.45
3.45
21.27
22.54
23.65
1.44
1.80
2.11
3.42
3.42
3.42
23.15
24.26
25.23
2.97
3.27
3.53
3.40
3.40
3.40
25.03
25.98
26.81
4.50
4.75
4.96
3.37
3.37
3.37

75 Dry Bulb
65.3 Wet Bulb
(60% Relative)
1500
17.37
–2.67
3.50
18.36
–1.83
3.49
19.35
–0.99
3.48
21.33
0.70
3.46
23.31
2.39
3.43
25.28
4.07
3.41

1750
18.98
–2.21
3.50
19.89
–1.39
3.49
20.80
–0.58
3.48
22.62
1.06
3.46
24.43
2.69
3.43
26.25
4.32
3.41

2000
20.39
–1.80
3.50
21.23
–1.01
3.49
22.07
–0.22
3.48
23.75
1.37
3.46
25.42
2.96
3.43
27.10
4.54
3.41

2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm

LEGEND
Bypass Factor
Entering Dry Bulb
Entering Wet Bulb
Compressor Motor Power Input
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

tlwb = Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)
hlwb = hewb –

*Negative SHC value indicates that the air entering the coil is being
heated.
NOTES:
1. Direct interpolation is permissible. Do not extrapolate.

total capacity (Btuh)
4.5 x cfm

Where: hewb = Enthalpy of air entering evaporator coil.
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

101

581B036-150

105

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

1500/0.08

PERFORMANCE DATA (cont)
COOLING CAPACITIES — UNITS WITH PERFECT HUMIDITY™ ADAPTIVE DEHUMIDIFICATION SYSTEM OPTION (cont)
581B072 (6 TONS) — SUBCOOLING MODE
Temp (F)
Air Ent
Condenser
(Edb)
75
85

581B036-150

95
105
115
125

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

1800/0.05
72
82.6
36.0
4.60
78.2
31.4
5.16
73.8
27.0
5.75
68.4
22.3
6.37
63.4
18.1
7.04
55.5
15.3
7.80

67
75.6
44.8
4.52
71.6
41.2
5.03
67.4
37.6
5.60
62.6
33.5
6.22
57.8
29.5
6.89
49.6
24.0
7.61

62
68.5
55.4
4.36
64.5
51.7
4.89
60.2
47.9
5.44
55.9
43.5
6.06
50.7
38.9
6.68
45.8
35.2
7.38

72
84.9
37.5
4.67
80.9
33.0
5.22
76.3
28.2
5.80
71.4
23.4
6.45
66.0
18.8
7.10
58.4
15.7
7.83

Air Entering Evaporator — Cfm/BF
2100/0.06
2400/0.06
Air Entering Evaporator — Ewb (F)
67
62
72
67
78.0
70.9
85.9
79.5
49.1
59.7
38.8
51.1
4.57
4.46
4.70
4.57
73.4
65.8
82.0
74.4
44.7
55.8
34.7
47.4
5.11
4.96
5.26
5.09
68.3
60.5
77.5
69.3
40.0
51.6
30.2
43.7
5.66
5.48
5.84
5.68
64.3
56.2
72.1
64.6
36.5
48.0
25.4
38.4
6.27
6.10
6.46
6.29
60.1
51.5
66.4
59.6
32.9
44.1
20.7
33.3
6.91
6.74
7.12
6.95
52.4
46.1
57.6
52.1
27.5
39.0
17.5
27.5
7.67
7.49
7.89
7.72

3000/0.08
62
73.5
64.0
4.45
67.9
60.1
4.97
62.3
56.2
5.53
58.3
50.2
6.16
54.5
43.8
6.83
49.5
38.4
7.58

72
89.1
41.8
4.77
85.8
37.6
5.32
82.0
33.6
5.90
75.7
29.1
6.53
68.8
24.3
7.16
59.2
20.9
7.92

67
82.7
58.1
4.61
78.2
54.3
5.17
72.8
49.2
5.73
67.0
45.2
6.36
60.8
41.4
7.01
52.8
34.6
7.78

62
77.0
70.2
4.51
72.3
66.7
5.04
67.5
62.9
5.60
62.4
56.2
6.24
57.5
49.7
6.92
53.1
44.4
7.70

581B072 (6 TONS) — HOT GAS REHEAT MODE*
75 Dry Bulb
62.5 Wet Bulb
(50% Relative)

Temp (F)
Air Ent
Condenser
(Edb)

80
75
70
60
50
40

BF
Edb
Ewb
kW
SHC
TC

—
—
—
—
—
—

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

1800
27.41
5.74
4.40
27.98
5.73
4.45
28.55
5.71
4.51
29.70
5.67
4.62
30.84
5.63
4.74
31.99
5.60
4.86

2100
28.12
7.61
4.39
28.66
7.48
4.45
29.19
7.35
4.51
30.25
7.09
4.62
31.32
6.83
4.74
32.38
6.57
4.86

2400
28.75
9.25
4.39
29.24
9.02
4.45
29.74
8.79
4.51
30.74
8.34
4.62
31.73
7.89
4.74
32.73
7.43
4.86

Air Entering Evaporator — Ewb (F)
75 Dry Bulb
64 Wet Bulb
(55% Relative)
Air Entering Evaporator — Cfm
1800
2100
2400
27.25
27.98
28.62
1.68
3.52
5.14
4.44
4.44
4.44
27.89
28.58
29.18
1.92
3.65
5.18
4.50
4.50
4.50
28.53
29.18
29.74
2.17
3.79
5.22
4.57
4.57
4.57
29.80
30.37
30.86
2.65
4.06
5.29
4.69
4.69
4.69
31.07
31.56
31.98
3.14
4.33
5.37
4.82
4.82
4.82
32.35
32.75
33.12
3.63
4.59
5.44
4.95
4.95
4.95

75 Dry Bulb
65.3 Wet Bulb
(60% Relative)
1800
27.12
–1.85
4.49
27.81
–1.38
4.55
28.51
–0.91
4.62
29.89
0.04
4.75
31.27
0.98
4.89
32.66
1.92
5.02

2100
27.86
–0.03
4.49
28.52
0.34
4.55
29.17
0.70
4.62
30.47
1.43
4.75
31.77
2.15
4.89
33.07
2.88
5.02

2400
28.51
1.58
4.49
29.13
1.85
4.55
29.74
2.12
4.62
30.97
2.65
4.75
32.20
3.19
4.89
33.43
3.72
5.02

2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm

LEGEND
Bypass Factor
Entering Dry Bulb
Entering Wet Bulb
Compressor Motor Power Input
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

tlwb = Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)
hlwb = hewb –

*Negative SHC value indicates that the air entering the coil is being
heated.
NOTES:
1. Direct interpolation is permissible. Do not extrapolate.

total capacity (Btuh)
4.5 x cfm

Where: hewb = Enthalpy of air entering evaporator coil.
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

102

PERFORMANCE DATA (cont)
COOLING CAPACITIES — UNITS WITH PERFECT HUMIDITY™ ADAPTIVE DEHUMIDIFICATION SYSTEM OPTION (cont)
581B090 (71/2 TONS) — SUBCOOLING MODE
TEMP (F)
AIR ENT
CONDENSER
(Edb)
75
85
95
105
115
125

72
98.4
44.5
5.05
94.2
39.7
5.74
89.9
34.8
6.42
84.6
30.0
7.26
79.2
25.2
8.10
72.8
20.1
9.10

67
91.1
55.4
4.96
85.8
51.3
5.65
80.5
47.2
6.33
75.3
42.5
7.16
70.1
37.8
7.99
64.5
33.4
8.94

62
81.1
67.0
4.87
76.9
62.7
5.55
72.6
58.3
6.22
68.0
53.9
7.05
63.3
49.4
7.87
57.2
44.1
8.83

AIR ENTERING EVAPORATOR — Cfm/BF
3000/0.11
Air Entering Evaporator — Ewb (F)
72
67
62
72
103.7
97.9
91.8
105.8
50.4
65.4
80.5
54.5
5.09
5.04
4.97
5.16
100.3
92.4
85.2
103.5
46.2
58.3
75.7
50.6
5.81
5.75
5.64
5.89
96.9
86.8
78.6
101.1
41.9
51.2
71.0
46.6
6.52
6.45
6.31
6.62
91.6
81.3
73.4
94.5
36.9
49.3
66.4
41.4
7.36
7.25
7.15
7.46
86.2
75.8
68.1
87.9
31.9
47.4
61.9
36.1
8.20
8.05
7.98
8.30
78.0
69.8
62.3
81.6
25.4
42.5
56.5
31.1
9.23
9.05
8.95
9.26

3750/0.14
67
101.3
72.4
5.04
96.8
68.2
5.74
92.2
63.9
6.43
86.3
59.2
7.29
80.3
54.4
8.14
73.2
48.9
9.10

62
94.1
89.5
4.99
89.0
84.3
5.70
83.8
79.1
6.40
78.4
73.8
7.23
72.9
68.5
8.05
69.2
64.7
8.99

581B090 (71/2 TONS) — HOT GAS REHEAT MODE*
75 Dry Bulb
62.5 Wet Bulb
(50% Relative)

Temp (F)
Air Ent
Condenser
(Edb)

80
75
70
60
50
40

BF
Edb
Ewb
kW
SHC
TC

—
—
—
—
—
—

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

2250
37.74
10.67
4.92
37.34
9.83
5.19
36.93
8.99
5.46
36.13
7.31
5.99
35.32
5.63
6.52
34.52
3.94
7.05

3000
40.54
15.63
4.92
39.95
14.48
5.19
39.36
13.33
5.46
38.18
11.04
5.99
37.00
8.74
6.52
35.82
6.44
7.05

3750
42.68
19.63
4.92
41.95
18.24
5.19
41.22
16.84
5.46
39.75
14.04
5.99
38.29
11.25
6.52
36.82
8.45
7.05

Air Entering Evaporator — Ewb (F)
75 Dry Bulb
64 Wet Bulb
(55% Relative)
Air Entering Evaporator — Cfm
2250
3000
3750
38.48
41.35
43.55
5.01
9.84
13.74
4.97
4.97
4.97
38.08
40.75
42.81
4.52
9.05
12.70
5.25
5.25
5.25
37.67
40.16
42.07
4.02
8.26
11.67
5.52
5.52
5.52
36.87
38.97
40.58
3.04
6.67
9.60
6.08
6.08
6.08
36.06
37.78
39.10
2.06
5.09
7.53
6.63
6.63
6.63
35.26
36.60
37.62
1.08
3.51
5.47
7.18
7.18
7.18

LEGEND
Bypass Factor
Entering Dry Bulb
Entering Wet Bulb
Compressor Motor Power Input
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

75 Dry Bulb
65.3 Wet Bulb
(60% Relative)
2250
39.12
0.10
5.01
38.72
–0.09
5.30
38.31
–0.28
5.58
37.51
–0.66
6.15
36.75
–1.03
6.73
35.90
–1.41
7.30

3000
42.05
4.82
5.01
41.45
4.34
5.30
40.85
3.86
5.58
39.66
2.89
6.15
38.46
1.93
6.73
37.27
0.97
7.30

3750
44.29
8.63
5.01
43.55
7.91
5.30
42.80
7.19
5.58
41.31
5.75
6.15
39.81
4.32
6.73
38.32
2.88
7.30

2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb = Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)
hlwb = hewb –

*Negative SHC value indicates that the air entering the coil is being
heated.
NOTES:
1. Direct interpolation is permissible. Do not extrapolate.

total capacity (Btuh)
4.5 x cfm

Where: hewb = Enthalpy of air entering evaporator coil.
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

103

581B036-150

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

2250/0.10

PERFORMANCE DATA (cont)
COOLING CAPACITIES — UNITS WITH PERFECT HUMIDITY™ ADAPTIVE DEHUMIDIFICATION SYSTEM OPTION (cont)
581B102 (81/2 TONS) — SUBCOOLING MODE
Temp (F)
Air Ent
Condenser
(Edb)
75
85

581B036-150

95
105
115
125

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

2550/0.08
72
114.1
49.8
5.57
107.3
42.2
6.32
101.9
35.4
7.06
94.5
29.7
7.99
86.4
24.0
8.91
78.6
18.3
9.81

67
104.1
64.2
5.46
98.4
58.3
6.30
92.4
51.9
7.13
85.4
45.7
8.00
75.0
38.7
8.83
65.5
32.0
9.65

62
97.8
81.2
5.44
92.6
76.0
6.15
86.8
70.3
6.93
77.0
63.2
7.81
68.3
56.4
8.66
60.2
48.8
9.53

72
116.3
52.6
5.59
111.0
47.1
6.32
105.3
40.1
7.06
97.6
33.9
8.01
89.3
27.4
8.93
81.3
21.2
9.86

Air Entering Evaporator — Cfm/BF
3000/0.09
3400/0.11
Air Entering Evaporator — Ewb (F)
67
62
72
67
108.5
103.4
117.6
111.9
70.8
89.0
55.4
76.9
5.50
5.44
5.60
5.51
101.8
98.0
113.0
104.2
64.5
83.5
51.2
70.2
6.27
6.18
6.34
6.22
95.5
92.8
107.4
97.7
58.5
77.9
44.9
64.9
7.06
6.95
7.06
6.99
88.3
82.4
99.9
90.6
52.2
70.1
38.0
58.3
7.97
7.85
8.02
7.94
80.2
74.1
91.4
83.2
45.6
62.9
31.1
51.9
8.86
8.76
8.97
8.86
68.9
64.7
83.3
71.6
38.0
53.5
24.1
44.1
9.68
9.64
9.89
9.71

4250/0.13
62
108.0
95.4
5.44
102.0
89.2
6.20
96.5
83.7
6.98
88.0
75.7
7.89
78.4
67.0
8.84
68.2
57.5
9.75

72
122.2
62.0
5.62
117.1
57.3
6.30
112.1
52.1
7.01
104.1
44.4
7.96
96.5
37.0
8.91
88.5
29.4
9.90

67
118.9
87.0
5.62
111.4
81.2
6.31
103.7
74.0
7.04
96.1
67.6
7.96
88.4
60.8
8.93
78.8
53.3
9.72

62
111.4
107.2
5.69
106.1
101.2
6.45
100.3
94.8
7.17
94.0
88.5
8.08
87.1
81.8
8.90
78.9
73.8
9.88

581B102 (81/2 TONS) — HOT GAS REHEAT MODE
75 Dry Bulb
62.5 Wet Bulb
(50% Relative)

Temp (F)
Air Ent
Condenser
(Edb)
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

80
75
70
60
50
40

BF
Edb
Ewb
kW
SHC
TC

—
—
—
—
—
—

2550
43.44
12.34
6.31
44.33
12.92
6.38
45.22
13.50
6.46
46.99
14.67
6.60
48.77
15.83
6.74
50.54
17.00
6.88

3000
46.26
16.78
6.31
47.00
17.12
6.38
47.73
17.47
6.46
49.19
18.15
6.60
50.66
18.83
6.74
52.13
19.52
6.88

3400
48.45
20.29
6.31
49.06
20.44
6.8
49.68
20.59
6.46
50.90
20.90
6.60
52.13
21.20
6.74
53.35
21.51
6.88

4250
52.38
26.74
6.31
52.78
26.54
6.38
53.18
26.34
6.46
53.97
25.95
6.60
54.77
25.56
6.74
55.56
25.16
6.88

Air Entering Evaporator — Ewb (F)
75 Dry Bulb
64 Wet Bulb
(55% Relative)
Air Entering Evaporator — Cfm
2550
3000
3400
4250
45.26
48.15
50.39
54.43
5.79
10.15
13.60
19.93
6.05
6.05
6.05
6.05
46.12
48.85
50.97
54.78
6.81
10.94
14.20
20.20
6.15
6.15
6.15
6.15
46.98
49.55
51.55
55.14
7.83
11.73
14.81
20.46
6.25
6.25
6.25
6.25
48.70
50.96
52.71
55.86
9.88
13.31
16.01
20.99
6.45
6.45
6.45
6.45
50.42
52.36
53.87
56.57
11.93
14.89
17.22
21.51
6.64
6.64
6.64
6.64
52.14
53.76
55.02
57.29
13.98
16.47
18.43
22.04
6.84
6.84
6.84
6.84

LEGEND
Bypass Factor
Entering Dry Bulb
Entering Wet Bulb
Compressor Motor Power Input
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

75 Dry Bulb
65.3 Wet Bulb
(60% Relative)
2550
46.84
0.11
5.83
47.67
1.51
5.95
48.51
2.92
6.07
50.18
5.73
6.32
51.85
8.55
6.56
53.53
11.36
6.81

3000
49.79
4.40
5.83
50.46
5.58
5.95
51.14
6.76
6.07
52.49
9.11
6.32
53.83
11.47
6.56
55.18
13.82
6.81

3400
52.08
7.80
5.83
52.63
8.79
5.95
53.18
9.79
6.07
54.27
11.78
6.32
55.37
13.77
6.56
56.47
15.76
6.81

4250
56.20
14.03
5.83
56.52
14.70
5.95
56.84
15.36
6.07
57.49
16.68
6.32
58.14
18.01
6.56
58.78
19.33
6.81

2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb = Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)
hlwb = hewb –

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.

total capacity (Btuh)
4.5 x cfm

Where: hewb = Enthalpy of air entering evaporator coil.
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

104

PERFORMANCE DATA (cont)
COOLING CAPACITIES — UNITS WITH PERFECT HUMIDITY™ ADAPTIVE DEHUMIDIFICATION SYSTEM OPTION (cont)
581B120 (10 TONS) — SUBCOOLING MODE
Temp (F)
Air Ent
Condenser
(Edb)
75
85
95
105
115
125

72
134.3
60.0
7.03
127.6
51.5
7.96
120.9
43.0
8.88
112.0
36.1
10.0
103.0
29.2
11.2
94.1
22.3
12.35

67
122.5
76.1
6.84
115.4
68.8
7.86
108.3
61.5
8.87
99.9
54.1
10.0
91.5
46.7
11.1
83.1
39.3
12.15

62
111.4
93.7
6.72
104.6
87.2
7.59
97.8
80.6
8.46
90.4
73.8
9.6
83.1
66.9
10.8
75.7
60.1
11.94

72
135.8
61.3
7.01
128.9
53.9
7.94
121.9
46.5
8.86
113.1
38.8
10.0
104.3
31.2
11.2
95.5
23.5
12.38

Air Entering Evaporator — Cfm/BF
3200/0.03
4000/0.04
Air Entering Evaporator — Ewb (F)
67
62
72
67
124.3
113.0
138.4
129.5
79.1
97.4
68.0
89.5
6.89
6.77
7.10
6.92
118.1
107.0
132.5
121.5
72.0
91.2
61.0
82.7
7.78
7.51
8.02
7.84
111.8
101.0
126.5
113.4
64.8
84.9
53.9
75.9
8.66
8.26
8.94
8.76
103.2
93.4
117.2
105.0
57.8
78.9
45.6
68.2
9.8
9.5
10.1
9.9
94.6
85.9
107.8
96.7
50.7
72.9
37.3
60.6
11.0
10.7
11.3
11.1
86.0
78.3
98.5
88.3
43.7
66.8
29.0
52.9
12.13
11.92
12.48
12.27

5000/0.04
62
123.5
109.4
6.77
116.6
102.4
7.69
109.7
95.4
8.60
100.7
86.8
9.8
91.7
78.3
11.0
82.7
69.7
12.25

72
143.3
75.2
7.15
137.2
68.6
8.02
131.1
62.0
8.89
122.1
53.0
10.1
113.0
44.0
11.3
104.0
35.0
12.53

67
136.5
100.9
7.03
128.0
93.6
7.94
119.4
86.2
8.85
110.5
78.3
10.0
101.6
70.3
11.2
92.7
62.4
12.30

62
130.2
123.3
6.88
122.9
115.9
7.79
115.5
108.4
8.69
105.9
99.7
9.9
96.4
90.9
11.1
86.8
82.2
12.28

581B120 (10 TONS) — HOT GAS REHEAT MODE*
Air Entering Evaporator — Ewb (F)
75 Dry Bulb
62.5 Wet Bulb
(50% Relative)

Temp (F)
Air Ent
Condenser
(Edb)
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

80
75
70
60
50
40

BF
Edb
Ewb
kW
SHC
TC

—
—
—
—
—
—

3000
49.15
9.58
7.39
49.60
10.07
7.56
50.04
10.56
7.73
50.93
11.54
8.07
51.82
12.53
8.42
52.71
13.51
8.76

3200
50.16
12.02
7.38
50.61
12.38
7.56
51.07
12.73
7.73
51.98
13.44
8.07
52.90
14.14
8.42
53.81
14.85
8.76

4000
53.80
20.74
7.38
54.30
20.60
7.55
54.81
20.47
7.72
55.81
20.19
8.07
56.81
19.92
8.41
57.82
19.64
8.76

5000
57.72
29.89
7.37
58.28
29.23
7.55
58.83
28.58
7.72
59.93
27.28
8.06
61.03
25.98
8.41
62.13
24.67
8.75

75 Dry Bulb
64 Wet Bulb
(55% Relative)
Air Entering Evaporator — Cfm
3000
3200
4000
5000
51.04
52.08
55.86
59.94
2.88
5.29
13.88
22.89
7.45
7.45
7.44
7.43
51.45
52.50
56.33
60.45
3.82
6.09
14.20
22.70
7.63
7.63
7.62
7.62
51.86
52.92
56.80
60.96
4.75
6.89
14.52
22.52
7.81
7.81
7.81
7.80
52.68
53.77
57.73
61.99
6.62
8.49
15.16
22.15
8.18
8.18
8.17
8.17
53.50
54.62
58.66
63.01
8.50
10.09
15.80
21.78
8.54
8.54
8.54
8.54
54.32
55.46
59.59
64.04
10.37
11.70
16.43
21.41
8.91
8.91
8.91
8.90

LEGEND
Bypass Factor
Entering Dry Bulb
Entering Wet Bulb
Compressor Motor Power Input
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

75 Dry Bulb
65.3 Wet Bulb
(60% Relative)
3000
52.67
–2.92
7.50
53.05
–1.60
7.69
53.43
–0.28
7.89
54.20
2.36
8.27
54.96
5.00
8.66
55.72
7.64
9.04

3200
53.74
-0.55
7.50
54.14
0.64
7.69
54.53
1.83
7.88
55.32
4.21
8.27
56.10
6.58
8.65
56.89
8.96
9.04

4000
57.65
7.93
7.49
58.09
8.65
7.69
58.52
9.36
7.88
59.39
10.79
8.26
60.26
12.22
8.65
61.13
13.65
9.04

5000
61.86
16.83
7.49
62.34
17.05
7.68
62.82
17.26
7.87
63.77
17.70
8.26
64.73
18.14
8.65
65.69
18.58
9.03

2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb

= Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)

hlwb = hewb

*Negative SHC value indicates that the air entering the coil is being heated.
NOTES:
1. Direct interpolation is permissible. Do not extrapolate.

–

total capacity (Btuh)
4.5 x cfm

Where: hewb = Enthalpy of air entering evaporator coil.
3. The SHC is based on 80 F edb temperature of air entering evaporator
coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

105

581B036-150

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

3000/0.03

PERFORMANCE DATA (cont)
COOLING CAPACITIES — UNITS WITH PERFECT HUMIDITY™ ADAPTIVE DEHUMIDIFICATION SYSTEM OPTION (cont)
581B150 (121/2 TONS) — SUBCOOLING MODE
Temp (F)
Air Ent
Condenser
(Edb)
75
85

581B036-150

95
105
115
125

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

3750/0.08
72
156.3
66.6
9.28
147.6
58.7
10.29
138.9
50.8
11.29
129.1
42.1
12.59
119.2
33.5
13.90
109.4
24.8
15.20

67
144.2
87.6
8.98
136.2
80.0
9.93
128.2
72.3
10.87
117.8
63.5
12.14
107.3
54.8
13.40
96.9
46.0
14.67

62
132.3
112.1
8.59
123.7
103.8
9.58
115.1
95.5
10.57
105.8
86.5
11.82
96.4
77.5
13.08
87.1
68.5
14.33

72
160.0
72.5
9.35
150.7
63.5
10.36
141.4
54.4
11.37
131.7
45.4
12.67
122.1
36.4
13.98
112.4
27.4
15.28

Air Entering Evaporator — Cfm/BF
4300/0.09
5000/0.11
Air Entering Evaporator — Ewb (F)
67
62
72
67
148.4
136.2
162.8
150.6
94.8
121.3
76.9
99.6
9.08
8.80
9.40
9.18
140.1
127.2
154.1
140.8
86.5
112.2
68.7
91.0
10.08
9.77
10.40
10.34
131.8
118.3
145.3
131.0
78.1
103.2
60.5
82.3
11.08
10.74
11.40
11.50
121.0
108.7
134.8
119.9
69.0
93.9
51.2
74.2
12.34
11.96
12.70
12.67
110.2
99.0
124.2
108.8
59.8
84.7
41.9
66.1
13.59
13.18
14.00
13.83
99.4
89.3
113.7
97.7
50.7
75.5
32.6
58.0
14.85
14.40
15.30
15.00

6250/0.13
62
138.2
127.5
8.9
127.9
118.1
10.03
117.6
108.7
11.1
107.7
101.3
12.28
97.8
93.8
13.41
87.8
86.4
14.54

72
169.0
87.0
9.43
161.1
77.7
10.45
153.1
68.5
11.46
140.9
57.7
12.79
128.7
46.8
14.11
116.5
36.0
15.44

67
157.5
115.5
9.18
148.0
107.8
10.18
138.4
100.0
11.17
126.9
90.2
12.46
115.3
80.5
13.75
103.8
70.7
15.04

62
145.6
142.7
8.93
135.4
133.2
9.88
125.1
123.7
10.83
115.9
113.6
12.08
106.7
103.5
13.33
97.5
93.5
14.58

581B150 (121/2 TONS) — HOT GAS REHEAT MODE*
75 Dry Bulb
62.5 Wet Bulb
(50% Relative)

Temp (F)
Air Ent
Condenser
(Edb)

80
75
70
60
50
40

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

3750
43.54
–4.36
8.70
44.45
–3.84
8.90
45.36
–3.32
9.10
47.17
–2.28
9.51
48.98
–1.24
9.91
50.79
–0.20
10.31

4300
45.21
0.76
8.70
46.02
0.96
8.90
46.82
1.17
9.10
48.44
1.59
9.51
50.05
2.00
9.91
51.67
2.41
10.31

5000
47.05
6.50
8.70
47.75
6.36
8.90
48.45
6.21
9.10
49.84
5.93
9.51
51.24
5.64
9.91
52.64
5.35
10.31

6250
49.78
15.20
8.70
50.32
14.53
8.90
50.86
13.85
9.10
51.93
12.50
9.51
53.00
11.15
9.91
54.07
9.80
10.31

Air Entering Evaporator — Ewb (F)
75 Dry Bulb
64 Wet Bulb
(55% Relative)
Air Entering Evaporator — Cfm
3750
4300
5000
6250
45.46
47.16
49.05
51.85
–9.51
–4.35
1.45
10.22
8.82
8.82
8.82
8.82
46.33
47.94
49.71
52.34
–8.66
–3.81
1.63
9.86
9.03
9.03
9.03
9.03
47.20
48.71
50.37
52.84
–7.81
–3.28
1.80
9.50
9.24
9.24
9.24
9.24
48.95
50.25
51.69
53.83
–6.12
–2.22
2.16
8.79
9.66
9.66
9.66
9.66
50.70
51.80
53.01
54.82
–4.43
–1.15
2.52
8.07
10.09
10.09
10.09
10.09
52.44
53.34
54.33
55.80
–2.73
–.019
2.87
7.36
10.51
10.51
10.51
10.51

LEGEND
BF
— Bypass Factor
Edb — Entering Dry Bulb
Ewb — Entering Wet Bulb
kW — Compressor Motor Power Input
SHC — Sensible Heat Capacity (1000 Btuh) Gross
TC
— Total Capacity (1000 Btuh) Gross
*Negative SHC value indicates that the air entering the coil is being
heated.
NOTES:
1. Direct interpolation is permissible. Do not extrapolate.

75 Dry Bulb
65.3 Wet Bulb
(60% Relative)
3750
47.11
–13.97
8.92
47.96
–12.84
9.14
48.80
–11.71
9.36
50.49
–9.45
9.80
52.18
–7.18
10.24
53.87
–4.92
10.68

4300
48.86
–8.77
8.92
49.60
–7.96
9.14
50.34
–7.14
9.36
51.82
–5.52
9.80
53.31
–3.89
10.24
54.79
–2.26
10.68

5000
50.78
–2.93
8.92
51.41
–2.48
9.14
52.04
–2.02
9.36
53.29
–1.11
9.80
54.55
–0.19
10.24
55.80
0.72
10.68

6250
53.64
5.90
8.92
54.10
5.82
9.14
54.55
5.74
9.36
55.47
5.57
9.80
56.39
5.41
10.24
57.30
5.24
10.68

2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb = Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)
hlwb = hewb –

total capacity (Btuh)
4.5 x cfm

Where: hewb = Enthalpy of air entering evaporator coil.
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

106

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS
581B036 (3 TONS) — STANDARD MOTOR (BELT DRIVE)*
0.8
Bhp
0.37
0.43
0.50
0.57
0.65
0.74
0.84

Watts
368
430
498
572
651
738
831

Rpm
947
972
999
1025
1053
1081
1110

1.0
Bhp
0.44
0.51
0.59
0.67
0.76
0.86
0.96

Watts
437
509
587
670
760
856
960

581B036 (3 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
900
1016
0.51
505
1080
0.57
572
1139
0.64
637
1195
1000
1041
0.59
587
1104
0.67
662
1163
0.74
737
1219
1100
1066
0.68
674
1129
0.76
759
1188
0.85
843
1243
1200
1093
0.77
767
1155
0.87
861
1213
0.96
955
1268
1300
1119
0.87
866
1181
0.98
970
1239
1.08
1073
1294
1400
1147
0.98
972
1208
1.09
1086
—
—
—
—
1500
1175
1.09
1086
—
—
—
—
—
—
—

1.8
Bhp
0.71
0.81
0.93
1.05
1.18
—
—

Watts
702
811
925
1047
1175
—
—

Rpm
1249
1272
1296
1321
—
—
—

2.0
Bhp
0.77
0.89
1.01
1.14
—
—
—

Watts
765
883
1007
1137
—
—
—

900
1000
1100
1200
1300
1400
1500

Rpm
567
599
632
666
701
737
773

0.2
Bhp
0.15
0.18
0.22
0.26
0.31
0.36
0.42

Watts
145
177
215
257
306
361
422

Rpm
688
717
747
778
810
842
875

0.4
Bhp
0.22
0.27
0.31
0.37
0.43
0.49
0.57

Refer to this page for general Fan Performance Data notes.

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.

*Motor drive range: 680 to 1044 rpm. All other rpms require fieldsupplied drive.

581B048 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
222
786
0.30
296
871
265
814
0.35
349
897
313
842
0.41
407
925
367
871
0.47
471
952
426
901
0.54
540
981
491
931
0.62
616
1010
564
963
0.70
699
1040

0.8
Bhp
0.37
0.43
0.50
0.57
0.65
0.74
0.84

Watts
368
430
498
572
651
738
831

Rpm
947
972
999
1025
1053
1081
1110

1.0
Bhp
0.44
0.51
0.59
0.67
0.76
0.86
0.96

Watts
437
509
587
670
760
856
960

581B048 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
900
1016
0.51
505
1080
0.57
572
1139
0.64
637
1195
1000
1041
0.59
587
1104
0.67
662
1163
0.74
737
1219
1100
1066
0.68
674
1129
0.76
759
1188
0.85
843
1243
1200
1093
0.77
767
1155
0.87
861
1213
0.96
955
1268
1300
1119
0.87
866
1181
0.98
970
1239
1.08
1073
1294
1400
1147
0.98
972
1208
1.09
1086
1265
1.21
1199
1320
1500
1175
1.09
1086
1235
1.22
1209
1292
1.34
1332
1346

1.8
Bhp
0.71
0.81
0.93
1.05
1.18
1.32
1.46

Watts
702
811
925
1047
1175
1310
1452

Rpm
1249
1272
1296
1321
1346
1371
1397

2.0
Bhp
0.77
0.89
1.01
1.14
1.28
1.43
1.58

Watts
765
883
1007
1137
1275
1419
1572

Airflow
(Cfm)
900
1000
1100
1200
1300
1400
1500

Rpm
567
599
632
666
701
737
773

0.2
Bhp
0.15
0.18
0.22
0.26
0.31
0.36
0.42

Watts
145
177
215
257
306
361
422

Rpm
688
717
747
778
810
842
875

0.4
Bhp
0.22
0.27
0.31
0.37
0.43
0.49
0.57

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

Refer to this page for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.

*Motor drive range: 1075 to 1455 rpm. All other rpms require fieldsupplied drive.

GENERAL NOTES FOR FAN PERFORMANCE DATA TABLES
1. Static pressure losses (i.e., EconoMi$er IV) must be added to
confidence. Using the fan motors up to the watts or bhp rating
external static pressure before entering Fan Performance table.
shown will not result in nuisance tripping or premature motor fail2. Interpolation is permissible. Do not extrapolate.
ure. Unit warranty will not be affected.
3. Fan performance is based on wet coils, clean filters, and casing
5. Use of a field-supplied motor may affect wire size. Contact your
losses. See Accessory/FIOP Static Pressure table on page 133.
Bryant representative for details.
4. Extensive motor and drive testing on these units ensures that the
full horsepower and watts range of the motor can be utilized with

107

581B036-150

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
222
786
0.30
296
871
265
814
0.35
349
897
313
842
0.41
407
925
367
871
0.47
471
952
426
901
0.54
540
981
491
931
0.62
616
1010
564
963
0.70
699
1040

Airflow
(Cfm)

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581B048 (4 TONS) — STANDARD MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
367
871
0.47
471
952
426
901
0.54
540
981
491
931
0.62
616
1010
564
963
0.70
699
1040
643
994
0.79
790
1070
730
1027
0.89
888
1101
826
1060
1.00
994
1133
930
1093
1.11
1109
—
1043
—
—
—
—

0.8
Bhp
0.57
0.65
0.74
0.84
0.94
1.05
1.16
—
—

Watts
572
651
738
831
932
1040
1157
—
—

Rpm
1025
1053
1081
1110
1140
1170
—
—
—

1.0
Bhp
0.67
0.76
0.86
0.96
1.08
1.20
—
—
—

Watts
670
760
856
960
1070
1189
—
—
—

581B048 (4 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1200
1093
0.77
767
1155
0.87
861
1213
0.96
955
1268
1300
1119
0.87
866
1181
0.98
970
1239
1.08
1073
1294
1400
1147
0.98
972
1208
1.09
1086
—
—
—
—
1500
1175
1.09
1086
—
—
—
—
—
—
—
1600
—
—
—
—
—
—
—
—
—
—
1700
—
—
—
—
—
—
—
—
—
—
1800
—
—
—
—
—
—
—
—
—
—
1900
—
—
—
—
—
—
—
—
—
—
2000
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
1.05
1.18
—
—
—
—
—
—
—

Watts
1047
1175
—
—
—
—
—
—
—

Rpm
1321
—
—
—
—
—
—
—
—

2.0
Bhp
1.14
—
—
—
—
—
—
—
—

Watts
1137
—
—
—
—
—
—
—
—

Airflow
(Cfm)

581B036-150

1200
1300
1400
1500
1600
1700
1800
1900
2000

Rpm
666
701
737
773
810
847
885
923
962

0.2
Bhp
0.26
0.31
0.36
0.42
0.49
0.57
0.66
0.75
0.85

Watts
257
306
361
422
491
567
652
745
847

Rpm
778
810
842
875
909
943
978
1014
1049

0.4
Bhp
0.37
0.43
0.49
0.57
0.65
0.73
0.83
0.94
1.05

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

Refer to page 107 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.

*Motor drive range: 770 to 1185 rpm. All other rpms require fieldsupplied drive.

581B048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
367
871
0.47
471
952
426
901
0.54
540
981
491
931
0.62
616
1010
564
963
0.70
699
1040
643
994
0.79
790
1070
730
1027
0.89
888
1101
826
1060
1.00
994
1133
930
1093
1.11
1109
1165
1043
1127
1.24
1233
1198

0.8
Bhp
0.57
0.65
0.74
0.84
0.94
1.05
1.16
1.29
1.42

Watts
572
651
738
831
932
1040
1157
1283
1417

Rpm
1025
1053
1081
1110
1140
1170
1200
1231
1263

1.0
Bhp
0.67
0.76
0.86
0.96
1.08
1.20
1.32
1.46
1.61

Watts
670
760
856
960
1070
1189
1316
1453
1598

581B048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1200
1093
0.77
767
1155
0.87
861
1213
0.96
955
1268
1300
1119
0.87
866
1181
0.98
970
1239
1.08
1073
1294
1400
1147
0.98
972
1208
1.09
1086
1265
1.21
1199
1320
1500
1175
1.09
1086
1235
1.22
1209
1292
1.34
1332
1346
1600
1204
1.21
1207
1263
1.35
1340
1320
1.48
1472
1373
1700
1233
1.34
1336
1292
1.49
1480
1348
1.63
1622
1401
1800
1262
1.48
1473
1321
1.64
1627
1376
1.79
1779
1428
1900
1293
1.63
1620
1350
1.79
1784
1405
1.96
1946
1457
2000
1323
1.79
1776
1380
1.96
1950
1434
2.13
2123
1486

1.8
Bhp
1.05
1.18
1.32
1.46
1.61
1.77
1.94
2.12
2.31

Watts
1047
1175
1310
1452
1603
1762
1930
2106
2293

Rpm
1321
1346
1371
1397
1424
1451
1479
1506
—

2.0
Bhp
1.14
1.28
1.43
1.58
1.74
1.91
2.09
2.28
—

Watts
1137
1275
1419
1572
1732
1901
2078
2265
—

Airflow
(Cfm)
1200
1300
1400
1500
1600
1700
1800
1900
2000

Rpm
666
701
737
773
810
847
885
923
962

0.2
Bhp
0.26
0.31
0.36
0.42
0.49
0.57
0.66
0.75
0.85

Watts
257
306
361
422
491
567
652
745
847

Rpm
778
810
842
875
909
943
978
1014
1049

0.4
Bhp
0.37
0.43
0.49
0.57
0.65
0.73
0.83
0.94
1.05

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

Refer to page 107 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.

*Motor drive range: 1075 to 1455 rpm. All other rpms require fieldsupplied drive.

108

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581B060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — SINGLE-PHASE UNITS
External Static Pressure (in. wg)
Airflow
0.2
0.4
0.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
1500
848
0.42
371
968
0.55
486
1069
0.68
600
1600
887
0.49
433
1004
0.63
556
1103
0.76
678
1700
927
0.57
502
1040
0.71
633
1137
0.86
763
1800
967
0.65
579
1077
0.81
718
1172
0.96
856
1900
1007
0.75
663
1115
0.91
811
1208
1.08
957
2000
1048
0.85
757
1153
1.03
913
1244
1.20
1066
2100
1090
0.97
859
1191
1.15
1023
—
—
—
2200
1131
1.09
970
1230
1.29
1143
—
—
—
2300
1173
1.23
1091
—
—
—
—
—
—
2400
—
—
—
—
—
—
—
—
—
2500
—
—
—
—
—
—
—
—
—

0.8
Bhp
0.80
0.90
1.00
1.12
1.24
—
—
—
—
—
—

Watts
715
800
892
993
1101
—
—
—
—
—
—

Rpm
1238
1269
1302
1334
—
—
—
—
—
—
—

1.0
Bhp
0.94
1.04
1.15
1.27
—
—
—
—
—
—
—

Watts
831
922
1022
1130
—
—
—
—
—
—
—

581B060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — SINGLE-PHASE UNITS (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1500
1312
1.07
948
1380
1.20
1067
—
—
—
—
1600
1342
1.18
1047
—
—
—
—
—
—
—
1700
1374
1.30
1153
—
—
—
—
—
—
—
1800
—
—
—
—
—
—
—
—
—
—
1900
—
—
—
—
—
—
—
—
—
—
2000
—
—
—
—
—
—
—
—
—
—
2100
—
—
—
—
—
—
—
—
—
—
2200
—
—
—
—
—
—
—
—
—
—
2300
—
—
—
—
—
—
—
—
—
—
2400
—
—
—
—
—
—
—
—
—
—
2500
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—

Bhp
Watts

LEGEND
— Brake Horsepower
— Input Watts to Motor

Refer to page 107 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.30.

*Motor drive range: 1035 to 1460 rpm. All other rpms require field-supplied drive.

581B060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — THREE-PHASE UNITS
External Static Pressure (in. wg)
Airflow
0.2
0.4
0.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
1500
848
0.42
371
968
0.55
486
1069
0.68
600
1600
887
0.49
433
1004
0.63
556
1103
0.76
678
1700
927
0.57
502
1040
0.71
633
1137
0.86
763
1800
967
0.65
579
1077
0.81
718
1172
0.96
856
1900
1007
0.75
663
1115
0.91
811
1208
1.08
957
2000
1048
0.85
757
1153
1.03
913
1244
1.20
1066
2100
1090
0.97
859
1191
1.15
1023
1281
1.33
1185
2200
1131
1.09
970
1230
1.29
1143
1318
1.48
1313
2300
1173
1.23
1091
1269
1.43
1273
1355
1.63
1451
2400
1215
1.38
1223
1309
1.59
1413
1393
1.80
1600
2500
1258
1.54
1365
1349
1.76
1564
1431
1.98
1759

Rpm
1158
1190
1223
1257
1291
1326
1361
1397
1433
1470
1506

0.8
Bhp
0.80
0.90
1.00
1.12
1.24
1.37
1.51
1.67
1.83
2.01
2.20

Watts
715
800
892
993
1101
1219
1345
1481
1627
1784
1951

Rpm
1238
1269
1302
1334
1368
1401
1435
1470
1505
1540
—

1.0
Bhp
0.94
1.04
1.15
1.27
1.40
1.54
1.69
1.86
2.03
2.21
—

Watts
831
922
1022
1130
1246
1371
1505
1649
1803
1967
—

581B060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — THREE-PHASE UNITS (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
1500
1312
1.07
948
1380
1.20
1067
1445
1.34
1189
1600
1342
1.18
1047
1411
1.32
1173
1474
1.46
1300
1700
1374
1.30
1153
1441
1.45
1286
1505
1.60
1420
1800
1406
1.43
1268
1473
1.58
1407
1535
1.74
1548
1900
1438
1.57
1391
1504
1.73
1537
1567
1.90
1685
2000
1471
1.72
1523
1536
1.89
1677
1598
2.06
1831
2100
1504
1.87
1665
1569
2.06
1825
1630
2.24
1986
2200
1538
2.04
1816
1602
2.23
1984
—
—
—
2300
1572
2.23
1978
—
—
—
—
—
—
2400
—
—
—
—
—
—
—
—
—
2500
—
—
—
—
—
—
—
—
—

Rpm
1506
1535
1565
1595
1626
1657
—
—
—
—
—

1.8
Bhp
1.48
1.61
1.75
1.90
2.06
2.24
—
—
—
—
—

Watts
1312
1429
1555
1690
1833
1986
—
—
—
—
—

Rpm
1564
1593
1622
1652
1682
—
—
—
—
—
—

2.0
Bhp
1.62
1.76
1.91
2.06
2.23
—
—
—
—
—
—

Watts
1437
1560
1692
1833
1983
—
—
—
—
—
—

Refer to page 107 for general Fan Performance Data notes.

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 1035 to 1460 rpm. All other rpms require field-supplied drive.

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.

109

581B036-150

Rpm
1158
1190
1223
1257
1291
—
—
—
—
—
—

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581B060 (5 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)

581B036-150

1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500

Rpm
848
887
927
967
1007
1048
1090
1131
1173
1215
1258

0.2
Bhp
0.42
0.49
0.57
0.65
0.75
0.85
0.97
1.09
1.23
1.38
1.54

Watts
371
433
502
579
663
757
859
970
1091
1223
1365

Rpm
968
1004
1040
1077
1115
1153
1191
1230
1269
1309
1349

0.4
Bhp
0.55
0.63
0.71
0.81
0.91
1.03
1.15
1.29
1.43
1.59
1.76

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
486
1069
0.68
600
556
1103
0.76
678
633
1137
0.86
763
718
1172
0.96
856
811
1208
1.08
957
913
1244
1.20
1066
1023
1281
1.33
1185
1143
1318
1.48
1313
1273
1355
1.63
1451
1413
1393
1.80
1600
1564
1431
1.98
1759

Rpm
1158
1190
1223
1257
1291
1326
1361
1397
1433
1470
1506

0.8
Bhp
0.80
0.90
1.00
1.12
1.24
1.37
1.51
1.67
1.83
2.01
2.20

Watts
715
800
892
993
1101
1219
1345
1481
1627
1784
1951

Rpm
1238
1269
1302
1334
1368
1401
1435
1470
1505
1540
1576

1.0
Bhp
0.94
1.04
1.15
1.27
1.40
1.54
1.69
1.86
2.03
2.21
2.41

Watts
831
922
1022
1130
1246
1371
1505
1649
1803
1967
2142

Rpm
1506
1535
1565
1595
1626
1657
1688
1720
1753
—
—

1.8
Bhp
1.48
1.61
1.75
1.90
2.06
2.24
2.42
2.61
2.82
—
—

Watts
1312
1429
1555
1690
1833
1986
2149
2321
2504
—
—

Rpm
1564
1593
1622
1652
1682
1713
1744
1775
—
—
—

2.0
Bhp
1.62
1.76
1.91
2.06
2.23
2.41
2.60
2.81
—
—
—

Watts
1437
1560
1692
1833
1983
2142
2312
2491
—
—
—

581B060 (5 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500

Rpm
1312
1342
1374
1406
1438
1471
1504
1538
1572
1607
1642

1.2
Bhp
1.07
1.18
1.30
1.43
1.57
1.72
1.87
2.04
2.23
2.42
2.63

Watts
948
1047
1153
1268
1391
1523
1665
1816
1978
2150
2333

Rpm
1380
1411
1441
1473
1504
1536
1569
1602
1635
1669
1704

1.4
Bhp
1.20
1.32
1.45
1.58
1.73
1.89
2.06
2.23
2.42
2.63
2.84

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
1067
1445
1.34
1189
1173
1474
1.46
1300
1286
1505
1.60
1420
1407
1535
1.74
1548
1537
1567
1.90
1685
1677
1598
2.06
1831
1825
1630
2.24
1986
1984
1663
2.42
2152
2153
1695
2.62
2328
2332
1729
2.83
2515
2523
—
—
—

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

Refer to page 107 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.

*Motor drive range: 1300 to 1685 rpm. All other rpms require field-supplied drive.

581B072 (6 TONS) — STANDARD MOTOR (BELT DRIVE)*
Airflow
(Cfm)
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000

Rpm
967
1008
1049
1091
1133
1176
1218
1261
1305
1348
1392
1435
1479

0.2
Bhp
0.63
0.72
0.82
0.93
1.05
1.18
1.32
1.47
1.63
1.80
1.99
2.19
2.40

Watts
563
643
731
827
933
1047
1170
1304
1448
1602
1768
1945
2135

Rpm
1075
1112
1151
1189
1229
1268
1308
1349
1390
1431
1472
—
—

0.4
Bhp
0.80
0.91
1.02
1.14
1.26
1.40
1.55
1.72
1.89
2.07
2.27
—
—

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
715
1170
0.97
861
805
1205
1.08
960
903
1241
1.20
1068
1008
1278
1.33
1183
1123
1315
1.47
1308
1247
1352
1.62
1441
1380
1390
1.78
1584
1523
1429
1.96
1736
1677
1468
2.14
1900
1841
1507
2.33
2073
2016
—
—
—
—
—
—
—
—
—
—
—

Rpm
1255
1289
1323
1358
1393
1429
1466
1503
1540
—
—
—
—

0.8
Bhp
1.13
1.25
1.38
1.52
1.67
1.84
2.01
2.19
2.38
—
—
—
—

Watts
1002
1111
1228
1353
1487
1630
1782
1945
2117
—
—
—
—

Rpm
1333
1366
1399
1433
1467
1501
1537
—
—
—
—
—
—

1.0
Bhp
1.28
1.42
1.56
1.71
1.87
2.04
2.23
—
—
—
—
—
—

Watts
1139
1258
1384
1519
1662
1815
1977
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
1403
1540
1.72
1531
1541
1569
1.89
1678
1686
1600
2.06
1833
1840
1631
2.25
1996
2002
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1601
1630
1660
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
1.87
2.04
2.23
—
—
—
—
—
—
—
—
—
—

Watts
1657
1813
1977
—
—
—
—
—
—
—
—
—
—

Rpm
1660
1689
1718
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
2.00
2.19
2.38
—
—
—
—
—
—
—
—
—
—

Watts
1780
1945
2118
—
—
—
—
—
—
—
—
—
—

581B072 (6 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000

Rpm
1406
1438
1470
1502
1535
1569
—
—
—
—
—
—
—

1.2
Bhp
1.43
1.58
1.73
1.89
2.06
2.25
—
—
—
—
—
—
—

Watts
1273
1401
1537
1681
1834
1996
—
—
—
—
—
—
—

Rpm
1475
1505
1537
1568
1600
—
—
—
—
—
—
—
—

1.4
Bhp
1.58
1.73
1.90
2.07
2.25
—
—
—
—
—
—
—
—

Refer to page 107 for general Fan Performance Data notes.

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.

*Motor drive range: 1119 to 1585 rpm. All other rpms require field-supplied drive.

110

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581B072 (6 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
0.8
Bhp
1.13
1.25
1.38
1.52
1.67
1.84
2.01
2.19
2.38
2.59
2.81
—
—

Watts
1002
1111
1228
1353
1487
1630
1782
1945
2117
2301
2495
—
—

Rpm
1333
1366
1399
1433
1467
1501
1537
1572
1608
1645
—
—
—

1.0
Bhp
1.28
1.42
1.56
1.71
1.87
2.04
2.23
2.42
2.62
2.84
—
—
—

Watts
1139
1258
1384
1519
1662
1815
1977
2149
2331
2524
—
—
—

581B072 (6 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1800
1406
1.43
1273
1475
1.58
1403
1540
1.72
1531
1601
1900
1438
1.58
1401
1505
1.73
1541
1569
1.89
1678
1630
2000
1470
1.73
1537
1537
1.90
1686
1600
2.06
1833
1660
2100
1502
1.89
1681
1568
2.07
1840
1631
2.25
1996
1690
2200
1535
2.06
1834
1600
2.25
2002
1662
2.44
2167
1721
2300
1569
2.25
1996
1633
2.45
2174
1694
2.64
2348
1752
2400
1603
2.44
2167
1666
2.65
2355
1727
2.86
2539
—
2500
1638
2.64
2349
1700
2.87
2546
—
—
—
—
2600
1673
2.86
2541
—
—
—
—
—
—
—
2700
—
—
—
—
—
—
—
—
—
—
2800
—
—
—
—
—
—
—
—
—
—
2900
—
—
—
—
—
—
—
—
—
—
3000
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
1.87
2.04
2.23
2.42
2.62
2.84
—
—
—
—
—
—
—

Watts
1657
1813
1977
2149
2330
2520
—
—
—
—
—
—
—

Rpm
1660
1689
1718
1747
1778
—
—
—
—
—
—
—
—

2.0
Bhp
2.00
2.19
2.38
2.59
2.80
—
—
—
—
—
—
—
—

Watts
1780
1945
2118
2300
2490
—
—
—
—
—
—
—
—

1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000

Rpm
967
1008
1049
1091
1133
1176
1218
1261
1305
1348
1392
1435
1479

0.2
Bhp
0.63
0.72
0.82
0.93
1.05
1.18
1.32
1.47
1.63
1.80
1.99
2.19
2.40

Watts
563
643
731
827
933
1047
1170
1304
1448
1602
1768
1945
2135

Rpm
1075
1112
1151
1189
1229
1268
1308
1349
1390
1431
1472
1514
1556

0.4
Bhp
0.80
0.91
1.02
1.14
1.26
1.40
1.55
1.72
1.89
2.07
2.27
2.48
2.70

Refer to page 107 for general Fan Performance Data notes.

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.

*Motor drive range: 1300 to 1685 rpm. All other rpms require fieldsupplied drive.

111

581B036-150

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
715
1170
0.97
861
1255
805
1205
1.08
960
1289
903
1241
1.20
1068
1323
1008
1278
1.33
1183
1358
1123
1315
1.47
1308
1393
1247
1352
1.62
1441
1429
1380
1390
1.78
1584
1466
1523
1429
1.96
1736
1503
1677
1468
2.14
1900
1540
1841
1507
2.33
2073
1578
2016
1547
2.54
2258
1616
2203
1587
2.76
2455
—
2402
—
—
—
—

Airflow
(Cfm)

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581B090 (71/2 TONS) — STANDARD MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)

581B036-150

Airflow
(Cfm)

2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm

0.2
Bhp

Watts

513
521
535
551
558
566
582
597
613
629
645
662
678
694
711
727
744
752

0.54
0.57
0.63
0.69
0.72
0.76
0.83
0.90
0.98
1.07
1.16
1.26
1.36
1.47
1.59
1.71
1.84
1.91

505
531
584
642
673
705
771
842
918
999
1085
1176
1272
1374
1482
1596
1716
1778

Rpm

0.4
Bhp

Watts

Rpm

0.6
Bhp

Watts

Rpm

0.8
Bhp

Watts

Rpm

1.0
Bhp

Watts

595
601
615
628
635
642
656
670
684
699
713
728
743
758
773
789
804
812

0.76
0.79
0.86
0.93
0.97
1.00
1.08
1.16
1.25
1.35
1.45
1.55
1.66
1.78
1.90
2.03
2.17
2.24

713
741
802
866
900
935
1008
1086
1169
1256
1349
1448
1551
1660
1775
1896
2023
2089

665
671
684
696
702
709
721
734
748
761
775
788
802
816
831
845
860
867

1.01
1.04
1.11
1.19
1.23
1.27
1.35
1.44
1.54
1.64
1.75
1.86
1.98
2.10
2.23
2.37
2.51
2.59

940
972
1038
1109
1146
1183
1263
1347
1436
1530
1630
1734
1845
1961
2082
2210
2343
2413

728
734
745
757
763
769
781
793
805
818
831
844
857
870
884
897
911
—

1.27
1.31
1.39
1.47
1.51
1.55
1.65
1.74
1.84
1.95
2.06
2.18
2.31
2.44
2.58
2.72
2.87
—

1187
1222
1293
1369
1409
1450
1535
1625
1720
1820
1925
2036
2152
2275
2402
2537
2677
—

786
791
802
813
818
824
835
847
859
871
883
895
908
920
—
—
—
—

1.56
1.60
1.68
1.77
1.81
1.86
1.95
2.06
2.16
2.28
2.40
2.52
2.65
2.79
—
—
—
—

1453
1489
1566
1647
1689
1732
1823
1917
2019
2125
2235
2352
2475
2603
—
—
—
—

581B090 (71/2 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
(Cfm)

2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm

1.2
Bhp

Watts

Rpm

1.4
Bhp

Watts

Rpm

1.6
Bhp

Watts

Rpm

1.8
Bhp

Watts

Rpm

2.0
Bhp

Watts

839
844
854
865
870
875
886
897
908
920
931
943
—
—
—
—
—
—

1.86
1.90
1.99
2.08
2.13
2.18
2.28
2.39
2.50
2.62
2.75
2.88
—
—
—
—
—
—

1735
1773
1855
1940
1985
2031
2126
2227
2333
2443
2560
2682
—
—
—
—
—
—

889
893
903
913
918
923
934
944
955
—
—
—
—
—
—
—
—
—

2.18
2.22
2.32
2.41
2.46
2.51
2.62
2.73
2.85
—
—
—
—
—
—
—
—
—

2032
2073
2159
2249
2296
2344
2445
2550
2661
—
—
—
—
—
—
—
—
—

935
940
950
959
964
969
—
—
—
—
—
—
—
—
—
—
—
—

2.52
2.56
2.66
2.76
2.81
2.87
—
—
—
—
—
—
—
—
—
—
—
—

2345
2389
2478
2573
2622
2673
—
—
—
—
—
—
—
—
—
—
—
—

980
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.87
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2673
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Refer to page 107 for general Fan Performance Data notes.

LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive range: 840 to 1085 rpm. All other rpms require fieldplied drive.

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.

sup-

112

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581B090 (71/2 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
Airflow
(Cfm)

0.2
Bhp

Watts

Rpm

0.4
Bhp

Watts

Rpm

0.6
Bhp

Watts

Rpm

0.8
Bhp

Watts

Rpm

1.0
Bhp

Watts

513
521
535
551
558
566
582
597
613
629
645
662
678
694
711
727
744
752

0.54
0.57
0.63
0.69
0.72
0.76
0.83
0.90
0.98
1.07
1.16
1.26
1.36
1.47
1.59
1.71
1.84
1.91

505
531
584
642
673
705
771
842
918
999
1085
1176
1272
1374
1482
1596
1716
1778

595
601
615
628
635
642
656
670
684
699
713
728
743
758
773
789
804
812

0.76
0.79
0.86
0.93
0.97
1.00
1.08
1.16
1.25
1.35
1.45
1.55
1.66
1.78
1.90
2.03
2.17
2.24

713
741
802
866
900
935
1008
1086
1169
1256
1349
1448
1551
1660
1775
1896
2023
2089

665
671
684
696
702
709
721
734
748
761
775
788
802
816
831
845
860
867

1.01
1.04
1.11
1.19
1.23
1.27
1.35
1.44
1.54
1.64
1.75
1.86
1.98
2.10
2.23
2.37
2.51
2.59

940
972
1038
1109
1146
1183
1263
1347
1436
1530
1630
1734
1845
1961
2082
2210
2343
2413

728
734
745
757
763
769
781
793
805
818
831
844
857
870
884
897
911
918

1.27
1.31
1.39
1.47
1.51
1.55
1.65
1.74
1.84
1.95
2.06
2.18
2.31
2.44
2.58
2.72
2.87
2.95

1187
1222
1293
1369
1409
1450
1535
1625
1720
1820
1925
2036
2152
2275
2402
2537
2677
2750

786
791
802
813
818
824
835
847
859
871
883
895
908
920
933
946
959
966

1.56
1.60
1.68
1.77
1.81
1.86
1.95
2.06
2.16
2.28
2.40
2.52
2.65
2.79
2.93
3.09
3.24
3.32

1453
1489
1566
1647
1689
1732
1823
1917
2019
2125
2235
2352
2475
2603
2737
2877
3023
3100

581B090 (71/2 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
(Cfm)

2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm

1.2
Bhp

Watts

Rpm

1.4
Bhp

Watts

Rpm

1.6
Bhp

Watts

Rpm

1.8
Bhp

Watts

Rpm

2.0
Bhp

Watts

839
844
854
865
870
875
886
897
908
920
931
943
955
967
980
992
1005
1011

1.86
1.90
1.99
2.08
2.13
2.18
2.28
2.39
2.50
2.62
2.75
2.88
3.01
3.16
3.31
3.46
3.63
3.71

1735
1773
1855
1940
1985
2031
2126
2227
2333
2443
2560
2682
2810
2945
3084
3230
3383
3462

889
893
903
913
918
923
934
944
955
966
977
989
1000
1012
1024
1036
1048
1054

2.18
2.22
2.32
2.41
2.46
2.51
2.62
2.73
2.85
2.98
3.11
3.25
3.39
3.54
3.69
3.86
4.03
4.11

2032
2073
2159
2249
2296
2344
2445
2550
2661
2777
2899
3026
3159
3299
3445
3596
3755
3836

935
940
950
959
964
969
979
989
1000
1010
1021
1032
1043
1055
1066
—
—
—

2.52
2.56
2.66
2.76
2.81
2.87
2.98
3.10
3.22
3.35
3.49
3.63
3.78
3.93
4.09
—
—
—

2345
2389
2478
2573
2622
2673
2777
2888
3003
3123
3250
3383
3521
3667
3817
—
—
—

980
984
993
1003
1008
1012
1022
1032
1042
1052
1063
1074
1084
—
—
—
—
—

2.87
2.91
3.02
3.12
3.18
3.23
3.35
3.47
3.60
3.74
3.88
4.02
4.18
—
—
—
—
—

2673
2718
2812
2911
2962
3014
3123
3238
3358
3484
3615
3752
3896
—
—
—
—
—

1022
1027
1035
1044
1049
1054
1063
1073
1083
1093
—
—
—
—
—
—
—
—

3.23
3.28
3.39
3.50
3.55
3.61
3.74
3.86
4.00
4.14
—
—
—
—
—
—
—
—

3015
3062
3159
3261
3315
3370
3483
3601
3725
3856
—
—
—
—
—
—
—
—

Refer to page 107 for general Fan Performance Data notes.

LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive range: 860 to 1080 rpm. All other rpms require fieldplied drive.

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 4.20.

sup-

113

581B036-150

2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581B102 (81/2 TONS) — STANDARD MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)

581B036-150

Airflow
(Cfm)

2500
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300

Rpm

0.2
Bhp

Watts

541
556
571
586
601
616
632
648
663
679
695
711
728
744
760
777
793
810
826

0.50
0.55
0.60
0.66
0.72
0.79
0.85
0.93
1.00
1.09
1.17
1.26
1.36
1.46
1.57
1.68
1.79
1.92
2.04

467
513
562
615
672
732
796
864
936
1012
1092
1177
1266
1361
1460
1563
1672
1786
1906

Rpm

0.4
Bhp

Watts

Rpm

0.6
Bhp

Watts

Rpm

0.8
Bhp

Watts

Rpm

1.0
Bhp

Watts

624
637
650
663
676
689
703
717
731
745
760
774
789
804
819
834
850
865
880

0.66
0.71
0.77
0.83
0.90
0.97
1.04
1.12
1.20
1.29
1.38
1.48
1.58
1.69
1.80
1.91
2.04
2.16
2.30

614
665
720
777
839
904
972
1045
1122
1203
1288
1379
1473
1572
1676
1785
1899
2018
2142

701
711
722
734
745
757
769
782
795
808
821
834
848
861
875
889
904
918
932

0.83
0.89
0.95
1.02
1.09
1.16
1.24
1.32
1.41
1.50
1.60
1.70
1.81
1.92
2.04
2.16
2.29
2.42
2.56

771
827
885
948
1014
1083
1157
1235
1316
1402
1492
1587
1686
1790
1899
2012
2132
2255
2385

771
781
790
800
811
821
832
843
855
867
879
891
904
916
929
942
956
969
983

1.00
1.07
1.14
1.21
1.28
1.36
1.45
1.53
1.63
1.72
1.83
1.93
2.04
2.16
2.28
2.41
2.54
2.68
2.82

936
996
1059
1126
1197
1271
1349
1431
1517
1608
1703
1802
1906
2015
2128
2247
2371
2499
2633

837
845
854
863
872
882
892
902
912
923
934
945
957
969
981
993
1006
—
—

1.19
1.26
1.33
1.41
1.49
1.57
1.66
1.75
1.85
1.95
2.06
2.17
2.29
2.41
2.53
2.67
2.80
—
—

1109
1173
1241
1312
1387
1465
1548
1635
1725
1820
1920
2024
2132
2246
2364
2487
2615
—
—

581B102 (81/2 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
(Cfm)

2500
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300

Rpm

1.2
Bhp

Watts

Rpm

1.4
Bhp

Watts

Rpm

1.6
Bhp

Watts

Rpm

1.8
Bhp

Watts

Rpm

2.0
Bhp

Watts

900
907
914
922
931
939
948
957
967
977
987
998
1008
1019
1031
—
—
—
—

1.38
1.46
1.53
1.61
1.70
1.79
1.88
1.98
2.08
2.19
2.30
2.41
2.54
2.66
2.79
—
—
—
—

1289
1357
1429
1505
1584
1667
1753
1844
1939
2039
2143
2251
2364
2482
2605
—
—
—
—

959
965
972
979
986
994
1002
1011
1020
1029
1038
1048
1058
—
—
—
—
—
—

1.58
1.66
1.74
1.83
1.92
2.01
2.11
2.21
2.32
2.43
2.54
2.66
2.79
—
—
—
—
—
—

1476
1548
1624
1704
1787
1874
1965
2060
2160
2264
2372
2485
2602
—
—
—
—
—
—

1015
1021
1027
1033
1040
1047
1054
1062
1070
1079
1088
—
—
—
—
—
—
—
—

1.79
1.87
1.96
2.05
2.14
2.24
2.34
2.45
2.56
2.67
2.80
—
—
—
—
—
—
—
—

1669
1745
1825
1909
1996
2087
2183
2283
2386
2494
2607
—
—
—
—
—
—
—
—

1069
1074
1079
1085
1091
1098
1105
1112
1119
—
—
—
—
—
—
—
—
—
—

2.00
2.09
2.18
2.27
2.37
2.47
2.58
2.69
2.81
—
—
—
—
—
—
—
—
—
—

1868
1948
2032
2120
2211
2307
2406
2510
2618
—
—
—
—
—
—
—
—
—
—

1121
1125
1130
1135
1141
1147
1153
—
—
—
—
—
—
—
—
—
—
—
—

2.22
2.31
2.41
2.51
2.61
2.71
2.83
—
—
—
—
—
—
—
—
—
—
—
—

2073
2158
2245
2337
2432
2532
2635
—
—
—
—
—
—
—
—
—
—
—
—

Refer to page 107 for general Fan Performance Data notes.

LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive range: 840 to 1085 rpm. All other rpms require fieldplied drive.

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.

sup-

114

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581B102 (81/2 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
Airflow
(Cfm)

0.2
Bhp

Watts

Rpm

0.4
Bhp

Watts

Rpm

0.6
Bhp

Watts

Rpm

0.8
Bhp

Watts

Rpm

1.0
Bhp

Watts

541
556
571
586
601
616
632
648
663
679
695
711
728
744
760
777
793
810
826

0.50
0.55
0.60
0.66
0.72
0.79
0.85
0.93
1.00
1.09
1.17
1.26
1.36
1.46
1.57
1.68
1.79
1.92
2.04

467
513
562
615
672
732
796
864
936
1012
1092
1177
1266
1361
1460
1563
1672
1786
1906

624
637
650
663
676
689
703
717
731
745
760
774
789
804
819
834
850
865
880

0.66
0.71
0.77
0.83
0.90
0.97
1.04
1.12
1.20
1.29
1.38
1.48
1.58
1.69
1.80
1.91
2.04
2.16
2.30

614
665
720
777
839
904
972
1045
1122
1203
1288
1379
1473
1572
1676
1785
1899
2018
2142

701
711
722
734
745
757
769
782
795
808
821
834
848
861
875
889
904
918
932

0.83
0.89
0.95
1.02
1.09
1.16
1.24
1.32
1.41
1.50
1.60
1.70
1.81
1.92
2.04
2.16
2.29
2.42
2.56

771
827
885
948
1014
1083
1157
1235
1316
1402
1492
1587
1686
1790
1899
2012
2132
2255
2385

771
781
790
800
811
821
832
843
855
867
879
891
904
916
929
942
956
969
983

1.00
1.07
1.14
1.21
1.28
1.36
1.45
1.53
1.63
1.72
1.83
1.93
2.04
2.16
2.28
2.41
2.54
2.68
2.82

936
996
1059
1126
1197
1271
1349
1431
1517
1608
1703
1802
1906
2015
2128
2247
2371
2499
2633

837
845
854
863
872
882
892
902
912
923
934
945
957
969
981
993
1006
1018
1031

1.19
1.26
1.33
1.41
1.49
1.57
1.66
1.75
1.85
1.95
2.06
2.17
2.29
2.41
2.53
2.67
2.80
2.95
3.10

1109
1173
1241
1312
1387
1465
1548
1635
1725
1820
1920
2024
2132
2246
2364
2487
2615
2748
2888

581B102 (81/2 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
(Cfm)

2500
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300

Rpm

1.2
Bhp

Watts

Rpm

1.4
Bhp

Watts

Rpm

1.6
Bhp

Watts

Rpm

1.8
Bhp

Watts

Rpm

2.0
Bhp

Watts

900
907
914
922
931
939
948
957
967
977
987
998
1008
1019
1031
1042
1054
1066
1078

1.38
1.46
1.53
1.61
1.70
1.79
1.88
1.98
2.08
2.19
2.30
2.41
2.54
2.66
2.79
2.93
3.07
3.22
3.38

1289
1357
1429
1505
1584
1667
1753
1844
1939
2039
2143
2251
2364
2482
2605
2733
2866
3004
3148

959
965
972
979
986
994
1002
1011
1020
1029
1038
1048
1058
1068
1079
1090
1101
1112
1123

1.58
1.66
1.74
1.83
1.92
2.01
2.11
2.21
2.32
2.43
2.54
2.66
2.79
2.92
3.06
3.20
3.35
3.50
3.66

1476
1548
1624
1704
1787
1874
1965
2060
2160
2264
2372
2485
2602
2725
2852
2984
3122
3264
3413

1015
1021
1027
1033
1040
1047
1054
1062
1070
1079
1088
1097
1106
1116
1126
1136
1146
1157
1167

1.79
1.87
1.96
2.05
2.14
2.24
2.34
2.45
2.56
2.67
2.80
2.92
3.05
3.19
3.33
3.48
3.63
3.79
3.95

1669
1745
1825
1909
1996
2087
2183
2283
2386
2494
2607
2724
2846
2972
3104
3241
3383
3530
3683

1069
1074
1079
1085
1091
1098
1105
1112
1119
1127
1135
1144
1152
1162
1171
1180
1190
1200
—

2.00
2.09
2.18
2.27
2.37
2.47
2.58
2.69
2.81
2.93
3.05
3.18
3.32
3.46
3.61
3.76
3.91
4.08
—

1868
1948
2032
2120
2211
2307
2406
2510
2618
2730
2847
2968
3094
3226
3362
3503
3649
3801
—

1121
1125
1130
1135
1141
1147
1153
1160
1167
1174
1181
1189
1198
1206
1215
1224
1233
—
—

2.22
2.31
2.41
2.51
2.61
2.71
2.83
2.94
3.06
3.19
3.32
3.45
3.59
3.74
3.89
4.04
4.20
—
—

2073
2158
2245
2337
2432
2532
2635
2743
2855
2971
3092
3218
3348
3484
3624
3770
3921
—
—

Refer to page 107 for general Fan Performance Data notes.

LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive range: 860 to 1080 rpm. All other rpms require fieldplied drive.

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 4.20.

sup-

115

581B036-150

2500
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300

Rpm

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581B120 (10 TONS) — STANDARD MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)

581B036-150

Airflow
(Cfm)

3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm

0.2
Bhp

Watts

616
632
648
663
679
695
711
728
744
760
777
793
810
826
843
860
876
893
910
927
944

0.79
0.85
0.93
1.00
1.09
1.17
1.26
1.36
1.46
1.57
1.68
1.79
1.92
2.04
2.18
2.32
2.46
2.62
2.77
2.94
3.11

732
796
864
936
1012
1092
1177
1266
1361
1460
1563
1672
1786
1906
2031
2161
2297
2439
2587
2741
2901

Rpm

0.4
Bhp

Watts

Rpm

0.6
Bhp

Watts

Rpm

0.8
Bhp

Watts

Rpm

1.0
Bhp

Watts

689
703
717
731
745
760
774
789
804
819
834
850
865
880
896
912
927
943
959
975
991

0.97
1.04
1.12
1.20
1.29
1.38
1.48
1.58
1.69
1.80
1.91
2.04
2.16
2.30
2.44
2.58
2.73
2.89
3.06
3.23
3.40

904
972
1045
1122
1203
1288
1379
1473
1572
1676
1785
1899
2018
2142
2272
2408
2549
2696
2849
3008
3173

757
769
782
795
808
821
834
848
861
875
889
904
918
932
947
962
977
992
1007
1022
1037

1.16
1.24
1.32
1.41
1.50
1.60
1.70
1.81
1.92
2.04
2.16
2.29
2.42
2.56
2.70
2.85
3.01
3.17
3.34
3.52
3.70

1083
1157
1235
1316
1402
1492
1587
1686
1790
1899
2012
2132
2255
2385
2520
2660
2807
2958
3116
3280
3451

821
832
843
855
867
879
891
904
916
929
942
956
969
983
996
1010
1024
1038
1053
—
—

1.36
1.45
1.53
1.63
1.72
1.83
1.93
2.04
2.16
2.28
2.41
2.54
2.68
2.82
2.97
3.13
3.29
3.46
3.63
—
—

1271
1349
1431
1517
1608
1703
1802
1906
2015
2128
2247
2371
2499
2633
2773
2918
3070
3226
3390
—
—

882
892
902
912
923
934
945
957
969
981
993
1006
1018
1031
1044
1057
1070
—
—
—
—

1.57
1.66
1.75
1.85
1.95
2.06
2.17
2.29
2.41
2.53
2.67
2.80
2.95
3.10
3.25
3.41
3.58
—
—
—
—

1465
1548
1635
1725
1820
1920
2024
2132
2246
2364
2487
2615
2748
2888
3032
3182
3338
—
—
—
—

581B120 (10 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
(Cfm)

3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm

1.2
Bhp

Watts

Rpm

1.4
Bhp

Watts

Rpm

1.6
Bhp

Watts

Rpm

1.8
Bhp

Watts

Rpm

2.0
Bhp

Watts

939
948
957
967
977
987
998
1008
1019
1031
1042
1054
1066
1078
1090
1103
—
—
—
—
—

1.79
1.88
1.98
2.08
2.19
2.30
2.41
2.54
2.66
2.79
2.93
3.07
3.22
3.38
3.54
3.70
—
—
—
—
—

1667
1753
1844
1939
2039
2143
2251
2364
2482
2605
2733
2866
3004
3148
3297
3451
—
—
—
—
—

994
1002
1011
1020
1029
1038
1048
1058
1068
1079
1090
1101
1112
1123
—
—
—
—
—
—
—

2.01
2.11
2.21
2.32
2.43
2.54
2.66
2.79
2.92
3.06
3.20
3.35
3.50
3.66
—
—
—
—
—
—
—

1874
1965
2060
2160
2264
2372
2485
2602
2725
2852
2984
3122
3264
3413
—
—
—
—
—
—
—

1047
1054
1062
1070
1079
1088
1097
1106
1116
1126
1136
1146
—
—
—
—
—
—
—
—
—

2.24
2.34
2.45
2.56
2.67
2.80
2.92
3.05
3.19
3.33
3.48
3.63
—
—
—
—
—
—
—
—
—

2087
2183
2283
2386
2494
2607
2724
2846
2972
3104
3241
3383
—
—
—
—
—
—
—
—
—

1098
1105
1112
1119
1127
1135
1144
1152
1162
1171
—
—
—
—
—
—
—
—
—
—
—

2.47
2.58
2.69
2.81
2.93
3.05
3.18
3.32
3.46
3.61
—
—
—
—
—
—
—
—
—
—
—

2307
2406
2510
2618
2730
2847
2968
3094
3226
3362
—
—
—
—
—
—
—
—
—
—
—

1147
1153
1160
1167
1174
1181
1189
1198
—
—
—
—
—
—
—
—
—
—
—
—
—

2.71
2.83
2.94
3.06
3.19
3.32
3.45
3.59
—
—
—
—
—
—
—
—
—
—
—
—
—

2532
2635
2743
2855
2971
3092
3218
3348
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive range: 860 to 1080 rpm. All other rpms require fieldplied drive.

Refer to page 107 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 3.70.

sup-

116

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581B120 (10 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)

Airflow
(Cfm)

Watts

616
632
648
663
679
695
711
728
744
760
777
793
810
826
843
860
876
893
910
927
944

0.79
0.85
0.93
1.00
1.09
1.17
1.26
1.36
1.46
1.57
1.68
1.79
1.92
2.04
2.18
2.32
2.46
2.62
2.77
2.94
3.11

732
796
864
936
1012
1092
1177
1266
1361
1460
1563
1672
1786
1906
2031
2161
2297
2439
2587
2741
2901

Rpm

0.4
Bhp

Watts

Rpm

0.6
Bhp

Watts

Rpm

0.8
Bhp

Watts

Rpm

1.0
Bhp

Watts

689
703
717
731
745
760
774
789
804
819
834
850
865
880
896
912
927
943
959
975
991

0.97
1.04
1.12
1.20
1.29
1.38
1.48
1.58
1.69
1.80
1.91
2.04
2.16
2.30
2.44
2.58
2.73
2.89
3.06
3.23
3.40

904
972
1045
1122
1203
1288
1379
1473
1572
1676
1785
1899
2018
2142
2272
2408
2549
2696
2849
3008
3173

757
769
782
795
808
821
834
848
861
875
889
904
918
932
947
962
977
992
1007
1022
1037

1.16
1.24
1.32
1.41
1.50
1.60
1.70
1.81
1.92
2.04
2.16
2.29
2.42
2.56
2.70
2.85
3.01
3.17
3.34
3.52
3.70

1083
1157
1235
1316
1402
1492
1587
1686
1790
1899
2012
2132
2255
2385
2520
2660
2807
2958
3116
3280
3451

821
832
843
855
867
879
891
904
916
929
942
956
969
983
996
1010
1024
1038
1053
1067
1082

1.36
1.45
1.53
1.63
1.72
1.83
1.93
2.04
2.16
2.28
2.41
2.54
2.68
2.82
2.97
3.13
3.29
3.46
3.63
3.82
4.00

1271
1349
1431
1517
1608
1703
1802
1906
2015
2128
2247
2371
2499
2633
2773
2918
3070
3226
3390
3558
3733

882
892
902
912
923
934
945
957
969
981
993
1006
1018
1031
1044
1057
1070
1084
1098
1111
1125

1.57
1.66
1.75
1.85
1.95
2.06
2.17
2.29
2.41
2.53
2.67
2.80
2.95
3.10
3.25
3.41
3.58
3.75
3.93
4.12
4.31

1465
1548
1635
1725
1820
1920
2024
2132
2246
2364
2487
2615
2748
2888
3032
3182
3338
3500
3668
3841
4021

581B120 (10 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
(Cfm)

3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm

1.2
Bhp

Watts

Rpm

1.4
Bhp

Watts

Rpm

1.6
Bhp

Watts

Rpm

1.8
Bhp

Watts

Rpm

2.0
Bhp

Watts

939
948
957
967
977
987
998
1008
1019
1031
1042
1054
1066
1078
1090
1103
1115
1128
1141
1154
1167

1.79
1.88
1.98
2.08
2.19
2.30
2.41
2.54
2.66
2.79
2.93
3.07
3.22
3.38
3.54
3.70
3.87
4.05
4.24
4.43
4.63

1667
1753
1844
1939
2039
2143
2251
2364
2482
2605
2733
2866
3004
3148
3297
3451
3612
3778
3951
4130
4314

994
1002
1011
1020
1029
1038
1048
1058
1068
1079
1090
1101
1112
1123
1135
1147
1159
1171
1183
1196
1209

2.01
2.11
2.21
2.32
2.43
2.54
2.66
2.79
2.92
3.06
3.20
3.35
3.50
3.66
3.82
4.00
4.17
4.36
4.55
4.74
4.95

1874
1965
2060
2160
2264
2372
2485
2602
2725
2852
2984
3122
3264
3413
3566
3726
3891
4062
4239
4422
4611

1047
1054
1062
1070
1079
1088
1097
1106
1116
1126
1136
1146
1157
1167
1179
1190
1201
1213
1225
1237
—

2.24
2.34
2.45
2.56
2.67
2.80
2.92
3.05
3.19
3.33
3.48
3.63
3.79
3.95
4.12
4.29
4.48
4.67
4.86
5.06
—

2087
2183
2283
2386
2494
2607
2724
2846
2972
3104
3241
3383
3530
3683
3841
4005
4175
4350
4532
4720
—

1098
1105
1112
1119
1127
1135
1144
1152
1162
1171
1180
1190
1200
1210
1221
1232
1243
1254
1265
—
—

2.47
2.58
2.69
2.81
2.93
3.05
3.18
3.32
3.46
3.61
3.76
3.91
4.08
4.24
4.42
4.60
4.79
4.98
5.18
—
—

2307
2406
2510
2618
2730
2847
2968
3094
3226
3362
3503
3649
3801
3958
4121
4289
4464
4644
4830
—
—

1147
1153
1160
1167
1174
1181
1189
1198
1206
1215
1224
1233
1243
1252
1262
1273
1283
—
—
—
—

2.71
2.83
2.94
3.06
3.19
3.32
3.45
3.59
3.74
3.89
4.04
4.20
4.37
4.54
4.72
4.91
5.10
—
—
—
—

2532
2635
2743
2855
2971
3092
3218
3348
3484
3624
3770
3921
4077
4238
4405
4578
4757
—
—
—
—

LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive range: 830 to 1130 rpm. All other rpms require fieldplied drive.

Refer to page 107 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 5.25.

sup-

117

581B036-150

3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm

0.2
Bhp

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581B150 (121/2 TONS) — STANDARD MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)

581B036-150

Airflow
(Cfm)

3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000
5100
5200
5300
5400
5500
5600
5700
5800
5900
6000
6100
6200
6300

Rpm

0.2
Bhp

Watts

Rpm

0.4
Bhp

Watts

Rpm

0.6
Bhp

Watts

Rpm

0.8
Bhp

Watts

Rpm

1.0
Bhp

Watts

728
744
760
777
793
810
826
843
860
876
893
910
927
944
961
978
995
1012
1029
1046
1063
1080
1098
1115
—
—
—

1.36
1.46
1.57
1.68
1.79
1.92
2.04
2.18
2.32
2.46
2.62
2.77
2.94
3.11
3.29
3.48
3.67
3.87
4.07
4.29
4.51
4.74
4.98
5.22
—
—
—

1266
1361
1460
1563
1672
1786
1906
2031
2161
2297
2439
2587
2741
2901
3068
3241
3420
3606
3799
3999
4207
4420
4642
4872
—
—
—

789
804
819
834
850
865
880
896
912
927
943
959
975
991
1007
1024
1040
1056
1073
1089
1105
1122
—
—
—
—
—

1.58
1.69
1.80
1.91
2.04
2.16
2.30
2.44
2.58
2.73
2.89
3.06
3.23
3.40
3.59
3.78
3.98
4.18
4.39
4.61
4.84
5.08
—
—
—
—
—

1473
1572
1676
1785
1899
2018
2142
2272
2408
2549
2696
2849
3008
3173
3345
3523
3707
3899
4097
4302
4515
4734
—
—
—
—
—

848
861
875
889
904
918
932
947
962
977
992
1007
1022
1037
1053
1068
1084
1099
1115
1131
1146
—
—
—
—
—
—

1.81
1.92
2.04
2.16
2.29
2.42
2.56
2.70
2.85
3.01
3.17
3.34
3.52
3.70
3.89
4.09
4.29
4.50
4.72
4.94
5.18
—
—
—
—
—
—

1686
1790
1899
2012
2132
2255
2385
2520
2660
2807
2958
3116
3280
3451
3627
3811
4000
4196
4400
4610
4827
—
—
—
—
—
—

904
916
929
942
956
969
983
996
1010
1024
1038
1053
1067
1082
1096
1111
1126
1141
1156
—
—
—
—
—
—
—
—

2.04
2.16
2.28
2.41
2.54
2.68
2.82
2.97
3.13
3.29
3.46
3.63
3.82
4.00
4.20
4.40
4.61
4.82
5.05
—
—
—
—
—
—
—
—

1906
2015
2128
2247
2371
2499
2633
2773
2918
3070
3226
3390
3558
3733
3915
4103
4298
4499
4707
—
—
—
—
—
—
—
—

957
969
981
993
1006
1018
1031
1044
1057
1070
1084
1098
1111
1125
1139
1153
1168
1182
—
—
—
—
—
—
—
—
—

2.29
2.41
2.53
2.67
2.80
2.95
3.10
3.25
3.41
3.58
3.75
3.93
4.12
4.31
4.51
4.72
4.93
5.15
—
—
—
—
—
—
—
—
—

2132
2246
2364
2487
2615
2748
2888
3032
3182
3338
3500
3668
3841
4021
4208
4400
4600
4806
—
—
—
—
—
—
—
—
—

581B150 (121/2 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
(Cfm)

3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000
5100
5200
5300
5400
5500
5600
5700
5800
5900
6000
6100
6200
6300

Rpm

1.2
Bhp

Watts

Rpm

1.4
Bhp

Watts

Rpm

1.6
Bhp

Watts

Rpm

1.8
Bhp

Watts

Rpm

2.0
Bhp

Watts

1008
1019
1031
1042
1054
1066
1078
1090
1103
1115
1128
1141
1154
1167
1181
1194
—
—
—
—
—
—
—
—
—
—
—

2.54
2.66
2.79
2.93
3.07
3.22
3.38
3.54
3.70
3.87
4.05
4.24
4.43
4.63
4.83
5.04
—
—
—
—
—
—
—
—
—
—
—

2364
2482
2605
2733
2866
3004
3148
3297
3451
3612
3778
3951
4130
4314
4505
4703
—
—
—
—
—
—
—
—
—
—
—

1058
1068
1079
1090
1101
1112
1123
1135
1147
1159
1171
1183
1196
1209
1221
—
—
—
—
—
—
—
—
—
—
—
—

2.79
2.92
3.06
3.20
3.35
3.50
3.66
3.82
4.00
4.17
4.36
4.55
4.74
4.95
5.16
—
—
—
—
—
—
—
—
—
—
—
—

2602
2725
2852
2984
3122
3264
3413
3566
3726
3891
4062
4239
4422
4611
4808
—
—
—
—
—
—
—
—
—
—
—
—

1106
1116
1126
1136
1146
1157
1167
1179
1190
1201
1213
1225
1237
—
—
—
—
—
—
—
—
—
—
—
—
—
—

3.05
3.19
3.33
3.48
3.63
3.79
3.95
4.12
4.29
4.48
4.67
4.86
5.06
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2846
2972
3104
3241
3383
3530
3683
3841
4005
4175
4350
4532
4720
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1152
1162
1171
1180
1190
1200
1210
1221
1232
1243
1254
1265
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

3.32
3.46
3.61
3.76
3.91
4.08
4.24
4.42
4.60
4.79
4.98
5.18
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

3094
3226
3362
3503
3649
3801
3958
4121
4289
4464
4644
4830
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1198
1206
1215
1224
1233
1243
1252
1262
1273
1283
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

3.59
3.74
3.89
4.04
4.20
4.37
4.54
4.72
4.91
5.10
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

3348
3484
3624
3770
3921
4077
4238
4405
4578
4757
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive range: 830 to 1130 rpm. All other rpms require fieldplied drive.

Refer to page 107 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 5.25.

sup-

118

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS
581B036 (3 TONS) — STANDARD MOTOR (BELT DRIVE)*
0.8
Bhp
0.42
0.47
0.52
0.58
0.65
0.72
0.80

Watts
417
466
519
579
644
716
795

Rpm
948
971
995
1020
1044
1070
1096

1.0
Bhp
0.53
0.58
0.64
0.71
0.78
0.86
0.95

Watts
526
580
639
705
777
855
941

581B036 (3 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
900
1019
0.64
640
1084
0.76
760
1146
0.89
885
1203
1000
1042
0.70
700
1107
0.83
825
1168
0.96
956
1225
1100
1065
0.77
765
1130
0.90
896
1190
1.04
1032
1247
1200
1089
0.84
837
1153
0.98
974
1213
1.12
1115
—
1300
1113
0.92
915
1177
1.06
1058
—
—
—
—
1400
1138
1.01
1000
1201
1.15
1149
—
—
—
—
1500
1163
1.10
1092
—
—
—
—
—
—
—

1.8
Bhp
1.02
1.10
1.18
—
—
—
—

Watts
1016
1091
1173
—
—
—
—

Rpm
1258
—
—
—
—
—
—

2.0
Bhp
1.16
—
—
—
—
—
—

Watts
1152
—
—
—
—
—
—

900
1000
1100
1200
1300
1400
1500

Rpm
553
582
612
643
675
707
740

0.2
Bhp
0.14
0.16
0.20
0.23
0.28
0.33
0.38

Watts
134
163
196
234
277
326
382

Rpm
681
707
734
762
790
819
849

0.4
Bhp
0.22
0.26
0.30
0.34
0.40
0.45
0.52

See page 107 for general fan performance notes.

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 680 to 1044 rpm. All other rpms require fieldplied drive.

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.

sup-

581B036 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
221
782
0.32
316
870
257
807
0.36
358
894
297
833
0.41
405
919
343
859
0.46
458
944
394
886
0.52
517
969
452
913
0.58
581
996
515
941
0.66
653
1023

0.8
Bhp
0.42
0.47
0.52
0.58
0.65
0.72
0.80

Watts
417
466
519
579
644
716
795

Rpm
948
971
995
1020
1044
1070
1096

1.0
Bhp
0.53
0.58
0.64
0.71
0.78
0.86
0.95

Watts
526
580
639
705
777
855
941

581B036 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
900
1019
0.64
640
1084
0.76
760
1146
0.89
885
1203
1000
1042
0.70
700
1107
0.83
825
1168
0.96
956
1225
1100
1065
0.77
765
1130
0.90
896
1190
1.04
1032
1247
1200
1089
0.84
837
1153
0.98
974
1213
1.12
1115
1270
1300
1113
0.92
915
1177
1.06
1058
1237
1.21
1205
1293
1400
1138
1.01
1000
1201
1.15
1149
1261
1.31
1303
1317
1500
1163
1.10
1092
1226
1.25
1247
1285
1.41
1407
1341

1.8
Bhp
1.02
1.10
1.18
1.27
1.36
1.47
1.58

Watts
1016
1091
1173
1262
1358
1461
1571

Rpm
1258
1279
1301
1324
1347
1370
1394

2.0
Bhp
1.16
1.24
1.33
1.42
1.52
1.63
1.75

Watts
1152
1232
1319
1413
1514
1623
1740

Airflow
(Cfm)
900
1000
1100
1200
1300
1400
1500

Rpm
553
582
612
643
675
707
740

0.2
Bhp
0.14
0.16
0.20
0.23
0.28
0.33
0.38

Watts
134
163
196
234
277
326
382

Rpm
681
707
734
762
790
819
849

0.4
Bhp
0.22
0.26
0.30
0.34
0.40
0.45
0.52

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.

*Motor drive range: 1075 to 1455 rpm. All other rpms require fieldsupplied drive.

119

581B036-150

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
221
782
0.32
316
870
257
807
0.36
358
894
297
833
0.41
405
919
343
859
0.46
458
944
394
886
0.52
517
969
452
913
0.58
581
996
515
941
0.66
653
1023

Airflow
(Cfm)

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581B048 (4 TONS) — STANDARD MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
343
859
0.46
458
944
394
886
0.52
517
969
452
913
0.58
581
996
515
941
0.66
653
1023
586
970
0.73
731
1050
663
999
0.82
817
1078
749
1029
0.91
910
1106
842
1059
1.02
1012
1135
944
1090
1.13
1122
—

0.8
Bhp
0.58
0.65
0.72
0.80
0.88
0.98
1.08
1.19
—

Watts
579
644
716
795
880
973
1074
1184
—

Rpm
1020
1044
1070
1096
1123
1150
—
—
—

1.0
Bhp
0.71
0.78
0.86
0.95
1.04
1.14
—
—
—

Watts
705
777
855
941
1034
1134
—
—
—

581B048 (4 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1200
1089
0.84
837
1153
0.98
974
1213
1.12
1115
—
1300
1113
0.92
915
1177
1.06
1058
—
—
—
—
1400
1138
1.01
1000
1201
1.15
1149
—
—
—
—
1500
1163
1.10
1092
—
—
—
—
—
—
—
1600
1189
1.20
1191
—
—
—
—
—
—
—
1700
—
—
—
—
—
—
—
—
—
—
1800
—
—
—
—
—
—
—
—
—
—
1900
—
—
—
—
—
—
—
—
—
—
2000
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—

2.0
Bhp
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—

Airflow
(Cfm)

581B036-150

1200
1300
1400
1500
1600
1700
1800
1900
2000

Rpm
643
675
707
740
773
807
841
875
910

0.2
Bhp
0.23
0.28
0.33
0.38
0.45
0.52
0.59
0.68
0.77

Watts
234
277
326
382
444
513
589
674
767

Rpm
762
790
819
849
879
910
942
974
1006

0.4
Bhp
0.34
0.40
0.45
0.52
0.59
0.67
0.75
0.85
0.95

See page 107 for general fan performance notes.

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.

*Motor drive range: 770 to 1185 rpm. All other rpms require fieldsupplied drive.
581B048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
343
859
0.46
458
944
394
886
0.52
517
969
452
913
0.58
581
996
515
941
0.66
653
1023
586
970
0.73
731
1050
663
999
0.82
817
1078
749
1029
0.91
910
1106
842
1059
1.02
1012
1135
944
1090
1.13
1122
1165

0.8
Bhp
0.58
0.65
0.72
0.80
0.88
0.98
1.08
1.19
1.31

Watts
579
644
716
795
880
973
1074
1184
1302

Rpm
1020
1044
1070
1096
1123
1150
1177
1205
1234

1.0
Bhp
0.71
0.78
0.86
0.95
1.04
1.14
1.25
1.37
1.49

Watts
705
777
855
941
1034
1134
1242
1360
1485

581B048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1200
1089
0.84
837
1153
0.98
974
1213
1.12
1115
1270
1300
1113
0.92
915
1177
1.06
1058
1237
1.21
1205
1293
1400
1138
1.01
1000
1201
1.15
1149
1261
1.31
1303
1317
1500
1163
1.10
1092
1226
1.25
1247
1285
1.41
1407
1341
1600
1189
1.20
1191
1252
1.36
1353
1310
1.53
1520
1365
1700
1216
1.31
1299
1277
1.48
1468
1335
1.65
1640
1390
1800
1242
1.42
1414
1303
1.60
1590
1361
1.78
1770
1415
1900
1270
1.55
1538
1330
1.73
1721
1387
1.92
1908
1441
2000
1297
1.68
1672
1357
1.87
1862
1414
2.07
2055
1467

1.8
Bhp
1.27
1.36
1.47
1.58
1.70
1.83
1.96
2.11
2.26

Watts
1262
1358
1461
1571
1690
1817
1953
2098
2252

Rpm
1324
1347
1370
1394
1418
1442
1467
1493
—

2.0
Bhp
1.42
1.52
1.63
1.75
1.87
2.01
2.15
2.30
—

Watts
1413
1514
1623
1740
1865
1998
2140
2292
—

Airflow
(Cfm)
1200
1300
1400
1500
1600
1700
1800
1900
2000

Rpm
643
675
707
740
773
807
841
875
910

0.2
Bhp
0.23
0.28
0.33
0.38
0.45
0.52
0.59
0.68
0.77

Watts
234
277
326
382
444
513
589
674
767

Rpm
762
790
819
849
879
910
942
974
1006

0.4
Bhp
0.34
0.40
0.45
0.52
0.59
0.67
0.75
0.85
0.95

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.

*Motor drive range: 1075 to 1455 rpm. All other rpms require fieldsupplied drive.

120

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

0.8
Bhp
0.72
0.80
0.90
1.00
1.11
1.23
—
—
—
—
—

Watts
640
714
796
886
986
1095
—
—
—
—
—

Rpm
1169
1195
1221
1250
1279
—
—
—
—
—
—

1.0
Bhp
0.85
0.93
1.03
1.14
1.25
—
—
—
—
—
—

Watts
753
829
914
1008
1111
—
—
—
—
—
—

581B060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — SINGLE-PHASE UNITS (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
—
1500
1247
0.98
873
1320
1.13
1002
1390
1.28
1137
1600
1270
1.07
952
1342
1.22
1083
—
—
—
—
1700
1295
1.17
1040
—
—
—
—
—
—
—
1800
1321
1.28
1137
—
—
—
—
—
—
—
1900
—
—
—
—
—
—
—
—
—
—
2000
—
—
—
—
—
—
—
—
—
—
2100
—
—
—
—
—
—
—
—
—
—
2200
—
—
—
—
—
—
—
—
—
—
2300
—
—
—
—
—
—
—
—
—
—
2400
—
—
—
—
—
—
—
—
—
—
2500
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 1035 to 1460 rpm. All other rpms require fieldsupplied drive.

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.30.

581B060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — THREE-PHASE UNITS
External Static Pressure (in. wg)
Airflow
0.2
0.4
0.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1500
800
0.39
350
904
0.49
438
999
0.60
535
1087
1600
839
0.46
412
938
0.57
505
1030
0.68
605
1115
1700
879
0.54
483
974
0.65
580
1062
0.77
684
1144
1800
919
0.63
561
1010
0.75
663
1095
0.87
771
1174
1900
960
0.73
648
1047
0.85
754
1129
0.98
867
1206
2000
1001
0.84
744
1085
0.96
855
1163
1.09
972
1238
2100
1043
0.96
850
1123
1.09
965
1199
1.22
1086
1271
2200
1085
1.09
966
1162
1.22
1086
1235
1.36
1211
1305
2300
1127
1.23
1092
1201
1.37
1217
1272
1.52
1347
1340
2400
1169
1.38
1229
1241
1.53
1359
1310
1.68
1493
1375
2500
1212
1.55
1378
1281
1.70
1513
1348
1.86
1652
1412

0.8
Bhp
0.72
0.80
0.90
1.00
1.11
1.23
1.37
1.51
1.67
1.84
2.02

Watts
640
714
796
886
986
1095
1213
1342
1482
1633
1796

Rpm
1169
1195
1221
1250
1279
1309
1340
1372
1405
1439
1473

1.0
Bhp
0.85
0.93
1.03
1.14
1.25
1.38
1.52
1.67
1.83
2.00
2.19

Watts
753
829
914
1008
1111
1224
1346
1479
1623
1778
1945

581B060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — THREE-PHASE UNITS (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1500
1247
0.98
873
1320
1.13
1002
1390
1.28
1137
1457
1600
1270
1.07
952
1342
1.22
1083
1411
1.37
1221
1476
1700
1295
1.17
1040
1365
1.32
1173
1432
1.48
1313
1497
1800
1321
1.28
1137
1390
1.43
1273
1455
1.59
1415
1518
1900
1348
1.40
1243
1415
1.56
1381
1479
1.72
1526
1541
2000
1377
1.53
1359
1442
1.69
1500
1505
1.86
1648
1565
2100
1406
1.67
1485
1470
1.83
1629
1531
2.00
1780
1591
2200
1437
1.83
1621
1499
1.99
1769
1559
2.16
1923
1617
2300
1468
1.99
1769
1529
2.16
1920
1587
2.34
2077
—
2400
1500
2.17
1928
1559
2.35
2083
—
—
—
—
2500
1533
2.36
2098
—
—
—
—
—
—
—

1.8
Bhp
1.44
1.54
1.64
1.76
1.89
2.03
2.18
2.34
—
—
—

Watts
1280
1365
1459
1563
1677
1801
1936
2082
—
—
—

Rpm
1522
1540
1559
1579
1601
1624
1648
—
—
—
—

2.0
Bhp
1.61
1.71
1.82
1.93
2.06
2.21
2.36
—
—
—
—

Watts
1430
1517
1612
1718
1834
1961
2098
—
—
—
—

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 1035 to 1460 rpm. All other rpms require fieldsupplied drive.

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.

121

581B036-150

581B060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — SINGLE-PHASE UNITS
External Static Pressure (in. wg)
Airflow
0.2
0.4
0.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1500
800
0.39
350
904
0.49
438
999
0.60
535
1087
1600
839
0.46
412
938
0.57
505
1030
0.68
605
1115
1700
879
0.54
483
974
0.65
580
1062
0.77
684
1144
1800
919
0.63
561
1010
0.75
663
1095
0.87
771
1174
1900
960
0.73
648
1047
0.85
754
1129
0.98
867
1206
2000
1001
0.84
744
1085
0.96
855
1163
1.09
972
1238
2100
1043
0.96
850
1123
1.09
965
1199
1.22
1086
—
2200
1085
1.09
966
1162
1.22
1086
—
—
—
—
2300
1127
1.23
1092
—
—
—
—
—
—
—
2400
—
—
—
—
—
—
—
—
—
—
2500
—
—
—
—
—
—
—
—
—
—

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581B060 (5 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
438
999
0.60
535
1087
505
1030
0.68
605
1115
580
1062
0.77
684
1144
663
1095
0.87
771
1174
754
1129
0.98
867
1206
855
1163
1.09
972
1238
965
1199
1.22
1086
1271
1086
1235
1.36
1211
1305
1217
1272
1.52
1347
1340
1359
1310
1.68
1493
1375
1513
1348
1.86
1652
1412

0.8
Bhp
0.72
0.80
0.90
1.00
1.11
1.23
1.37
1.51
1.67
1.84
2.02

Watts
640
714
796
886
986
1095
1213
1342
1482
1633
1796

Rpm
1169
1195
1221
1250
1279
1309
1340
1372
1405
1439
1473

1.0
Bhp
0.85
0.93
1.03
1.14
1.25
1.38
1.52
1.67
1.83
2.00
2.19

Watts
753
829
914
1008
1111
1224
1346
1479
1623
1778
1945

581B060 (5 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1500
1247
0.98
873
1320
1.13
1002
1390
1.28
1137
1457
1600
1270
1.07
952
1342
1.22
1083
1411
1.37
1221
1476
1700
1295
1.17
1040
1365
1.32
1173
1432
1.48
1313
1497
1800
1321
1.28
1137
1390
1.43
1273
1455
1.59
1415
1518
1900
1348
1.40
1243
1415
1.56
1381
1479
1.72
1526
1541
2000
1377
1.53
1359
1442
1.69
1500
1505
1.86
1648
1565
2100
1406
1.67
1485
1470
1.83
1629
1531
2.00
1780
1591
2200
1437
1.83
1621
1499
1.99
1769
1559
2.16
1923
1617
2300
1468
1.99
1769
1529
2.16
1920
1587
2.34
2077
1644
2400
1500
2.17
1928
1559
2.35
2083
1616
2.53
2243
1672
2500
1533
2.36
2098
1591
2.54
2257
1647
2.73
2421
—

1.8
Bhp
1.44
1.54
1.64
1.76
1.89
2.03
2.18
2.34
2.52
2.71
—

Watts
1280
1365
1459
1563
1677
1801
1936
2082
2239
2408
—

Rpm
1522
1540
1559
1579
1601
1624
1648
1673
1699
1726
—

2.0
Bhp
1.61
1.71
1.82
1.93
2.06
2.21
2.36
2.53
2.71
2.90
—

Watts
1430
1517
1612
1718
1834
1961
2098
2246
2406
2579
—

Airflow
(Cfm)

581B036-150

1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500

Bhp
Watts

Rpm
800
839
879
919
960
1001
1043
1085
1127
1169
1212

0.2
Bhp
0.39
0.46
0.54
0.63
0.73
0.84
0.96
1.09
1.23
1.38
1.55

Watts
350
412
483
561
648
744
850
966
1092
1229
1378

Rpm
904
938
974
1010
1047
1085
1123
1162
1201
1241
1281

0.4
Bhp
0.49
0.57
0.65
0.75
0.85
0.96
1.09
1.22
1.37
1.53
1.70

LEGEND
— Brake Horsepower
— Input Watts to Motor

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.

*Motor drive range: 1300 to 1685 rpm. All other rpms require field-supplied
drive.
581B072 (6 TONS) — STANDARD MOTOR (BELT DRIVE)*
Airflow
(Cfm)
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000

Rpm
913
952
992
1032
1073
1114
1155
1196
1238
1280
1322
1364
—

0.2
Bhp
0.64
0.73
0.84
0.95
1.07
1.21
1.36
1.51
1.69
1.87
2.07
2.28
—

Watts
569
652
744
844
954
1074
1204
1345
1497
1660
1835
2023
—

Rpm
1010
1046
1083
1120
1158
1196
1234
1273
1312
1352
1392
—
—

0.4
Bhp
0.80
0.91
1.02
1.14
1.27
1.41
1.57
1.73
1.91
2.10
2.31
—
—

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
715
1098
0.98
869
1178
805
1131
1.09
965
1210
903
1166
1.21
1070
1242
1010
1200
1.33
1184
1275
1127
1236
1.47
1307
1308
1254
1272
1.62
1440
1343
1391
1308
1.78
1584
1377
1538
1345
1.96
1738
1412
1697
1382
2.14
1904
1448
1867
1420
2.34
2081
—
2050
—
—
—
—
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
1.16
1.28
1.40
1.54
1.68
1.84
2.01
2.19
2.38
—
—
—
—

Watts
1032
1134
1245
1365
1495
1634
1784
1945
2117
—
—
—
—

Rpm
1252
1282
1313
1345
1377
1409
1443
—
—
—
—
—
—

1.0
Bhp
1.35
1.48
1.61
1.75
1.90
2.07
2.24
—
—
—
—
—
—

Watts
1203
1311
1427
1553
1689
1834
1990
—
—
—
—
—
—

1.8
Bhp
2.21
2.35
—
—
—
—
—
—
—
—
—
—
—

Watts
1962
2090
—
—
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—
—
—

581B072 (6 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000
Bhp
Watts

Rpm
1322
1351
1380
1411
1441
1473
—
—
—
—
—
—
—

1.2
Bhp
1.56
1.68
1.82
1.97
2.13
2.30
—
—
—
—
—
—
—

Watts
1382
1495
1617
1748
1890
2041
—
—
—
—
—
—
—

Rpm
1388
1416
1444
1473
1503
—
—
—
—
—
—
—
—

1.4
Bhp
1.77
1.90
2.04
2.20
2.36
—
—
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
1568
1451
1.98
1762
1510
1686
1477
2.12
1885
1536
1814
1505
2.27
2017
—
1950
—
—
—
—
2097
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
— Brake Horsepower
— Input Watts to Motor

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.

*Motor drive range: 1119 to 1585 rpm. All other rpms require field-supplied
drive.

122

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581B072 (6 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
0.8
Bhp
1.16
1.28
1.40
1.54
1.68
1.84
2.01
2.19
2.38
2.59
2.81
—
—

Watts
1032
1134
1245
1365
1495
1634
1784
1945
2117
2300
2496
—
—

Rpm
1252
1282
1313
1345
1377
1409
1443
1477
1511
1546
—
—
—

1.0
Bhp
1.35
1.48
1.61
1.75
1.90
2.07
2.24
2.43
2.63
2.84
—
—
—

Watts
1203
1311
1427
1553
1689
1834
1990
2157
2335
2526
—
—
—

581B072 (6 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1800
1322
1.56
1382
1388
1.77
1568
1451
1.98
1762
1510
1900
1351
1.68
1495
1416
1.90
1686
1477
2.12
1885
1536
2000
1380
1.82
1617
1444
2.04
1814
1505
2.27
2017
1563
2100
1411
1.97
1748
1473
2.20
1950
1533
2.43
2159
1590
2200
1441
2.13
1890
1503
2.36
2097
1562
2.60
2311
1618
2300
1473
2.30
2041
1533
2.54
2254
1591
2.79
2474
—
2400
1505
2.48
2203
1564
2.73
2422
—
—
—
—
2500
1537
2.68
2376
—
—
—
—
—
—
—
2600
1571
2.88
2560
—
—
—
—
—
—
—
2700
—
—
—
—
—
—
—
—
—
—
2800
—
—
—
—
—
—
—
—
—
—
2900
—
—
—
—
—
—
—
—
—
—
3000
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
2.21
2.35
2.51
2.67
2.85
—
—
—
—
—
—
—
—

Watts
1962
2090
2227
2374
2532
—
—
—
—
—
—
—
—

Rpm
1568
1593
1619
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
2.44
2.59
2.75
—
—
—
—
—
—
—
—
—
—

Watts
2169
2302
2443
—
—
—
—
—
—
—
—
—
—

1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000

Bhp
Watts

Rpm
913
952
992
1032
1073
1114
1155
1196
1238
1280
1322
1364
1406

0.2
Bhp
0.64
0.73
0.84
0.95
1.07
1.21
1.36
1.51
1.69
1.87
2.07
2.28
2.50

Watts
569
652
744
844
954
1074
1204
1345
1497
1660
1835
2023
2224

Rpm
1010
1046
1083
1120
1158
1196
1234
1273
1312
1352
1392
1432
1472

0.4
Bhp
0.80
0.91
1.02
1.14
1.27
1.41
1.57
1.73
1.91
2.10
2.31
2.53
2.76

LEGEND
— Brake Horsepower
— Input Watts to Motor

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.

*Motor drive range: 1300 to 1686 rpm. All other rpms require fieldsupplied drive.

123

581B036-150

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
715
1098
0.98
869
1178
805
1131
1.09
965
1210
903
1166
1.21
1070
1242
1010
1200
1.33
1184
1275
1127
1236
1.47
1307
1308
1254
1272
1.62
1440
1343
1391
1308
1.78
1584
1377
1538
1345
1.96
1738
1412
1697
1382
2.14
1904
1448
1867
1420
2.34
2081
1484
2050
1458
2.56
2270
1521
2245
1496
2.78
2472
—
2452
—
—
—
—

Airflow
(Cfm)

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581B090 (71/2 TONS) — STANDARD MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
681
657
0.97
901
722
708
663
1.00
931
727
766
674
1.07
993
738
828
686
1.14
1060
748
860
692
1.17
1095
754
894
698
1.21
1131
759
964
710
1.29
1207
770
1039
723
1.38
1287
782
1119
736
1.47
1372
794
1204
749
1.57
1463
806
1293
762
1.67
1558
818
1388
776
1.78
1658
831
1488
789
1.89
1764
843
1593
803
2.01
1876
856
1705
817
2.14
1993
870
1822
832
2.27
2116
883
1944
846
2.41
2245
896
2008
853
2.48
2312
903

0.8
Bhp
1.22
1.26
1.33
1.41
1.45
1.49
1.58
1.67
1.76
1.87
1.97
2.09
2.21
2.33
2.46
2.60
2.75
2.82

Watts
1142
1174
1241
1312
1349
1388
1469
1554
1644
1740
1840
1946
2057
2174
2297
2425
2560
2630

Rpm
782
787
796
806
811
816
826
837
848
859
871
882
894
907
919
—
—
—

1.0
Bhp
1.50
1.54
1.62
1.70
1.74
1.78
1.88
1.97
2.07
2.18
2.29
2.41
2.54
2.67
2.81
—
—
—

Watts
1403
1437
1508
1583
1623
1664
1749
1839
1933
2033
2139
2249
2365
2488
2616
—
—
—

581B090 (71/2 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
2250
838
1.81
1683
891
2.12
1981
941
2.46
2297
988
842
1.84
1719
895
2.17
2019
944
2.51
2336
992
2300
851
1.92
1793
903
2.25
2097
952
2.59
2416
—
2400
860
2.01
1873
911
2.34
2180
960
2.68
2502
—
2500
865
2.05
1914
916
2.38
2223
964
2.73
2547
—
2550
869
2.10
1957
920
2.43
2267
968
2.78
2593
—
2600
879
2.19
2046
929
2.53
2360
976
2.88
2689
—
2700
889
2.29
2140
938
2.64
2458
—
—
—
—
2800
899
2.40
2239
948
2.75
2561
—
—
—
—
2900
910
2.51
2343
958
2.86
2670
—
—
—
—
3000
921
2.63
2453
—
—
—
—
—
—
—
3100
932
2.75
2569
—
—
—
—
—
—
—
3200
943
2.88
2690
—
—
—
—
—
—
—
3300
—
—
—
—
—
—
—
—
—
—
3400
—
—
—
—
—
—
—
—
—
—
3500
—
—
—
—
—
—
—
—
—
—
3600
—
—
—
—
—
—
—
—
—
—
3700
—
—
—
—
—
—
—
—
—
—
3750

1.8
Bhp
2.82
2.86
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
2629
2669
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

581B036-150

Airflow
(Cfm)
2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm
505
513
527
543
550
558
574
589
605
621
637
654
670
686
703
720
736
745

0.2
Bhp
0.52
0.55
0.60
0.66
0.69
0.73
0.80
0.87
0.95
1.03
1.12
1.22
1.32
1.42
1.54
1.66
1.78
1.85

Watts
484
509
561
617
647
677
742
811
885
963
1046
1135
1228
1328
1433
1543
1660
1721

Rpm
586
592
605
618
625
632
645
659
673
688
702
717
732
747
762
777
793
801

0.4
Bhp
0.73
0.76
0.82
0.89
0.92
0.96
1.03
1.11
1.20
1.29
1.39
1.49
1.60
1.71
1.83
1.95
2.09
2.15

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.

*Motor drive range: 840 to 1085 rpm. All other rpms require field-supplied
drive.

124

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581B090 (71/2 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
0.8
Bhp
1.22
1.26
1.33
1.41
1.45
1.49
1.58
1.67
1.76
1.87
1.97
2.09
2.21
2.33
2.46
2.60
2.75
2.82

Watts
1142
1174
1241
1312
1349
1388
1469
1554
1644
1740
1840
1946
2057
2174
2297
2425
2560
2630

Rpm
782
787
796
806
811
816
826
837
848
859
871
882
894
907
919
932
944
951

1.0
Bhp
1.50
1.54
1.62
1.70
1.74
1.78
1.88
1.97
2.07
2.18
2.29
2.41
2.54
2.67
2.81
2.95
3.10
3.18

Watts
1403
1437
1508
1583
1623
1664
1749
1839
1933
2033
2139
2249
2365
2488
2616
2750
2889
2962

581B090 (71/2 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
2250
838
1.81
1683
891
2.12
1981
941
2.46
2297
988
842
1.84
1719
895
2.17
2019
944
2.51
2336
992
2300
851
1.92
1793
903
2.25
2097
952
2.59
2416
999
2400
860
2.01
1873
911
2.34
2180
960
2.68
2502
1006
2500
865
2.05
1914
916
2.38
2223
964
2.73
2547
1010
2550
869
2.10
1957
920
2.43
2267
968
2.78
2593
1014
2600
879
2.19
2046
929
2.53
2360
976
2.88
2689
1022
2700
889
2.29
2140
938
2.64
2458
985
2.99
2791
1030
2800
899
2.40
2239
948
2.75
2561
994
3.11
2898
1039
2900
910
2.51
2343
958
2.86
2670
1004
3.23
3011
1048
3000
921
2.63
2453
968
2.98
2783
1013
3.35
3128
1057
3100
932
2.75
2569
978
3.11
2903
1023
3.49
3252
1066
3200
943
2.88
2690
989
3.25
3029
1033
3.63
3382
1076
3300
954
3.02
2816
1000
3.39
3159
1044
3.77
3518
1086
3400
966
3.16
2950
1011
3.54
3297
1054
3.92
3660
—
3500
978
3.31
3088
1022
3.69
3442
1065
4.08
3808
—
3600
990
3.47
3233
1034
3.85
3591
—
—
—
—
3700
996
3.55
3308
1040
3.93
3669
—
—
—
—
3750

1.8
Bhp
2.82
2.86
2.95
3.05
3.10
3.15
3.25
3.37
3.49
3.61
3.74
3.88
4.02
4.17
—
—
—
—

Watts
2629
2669
2752
2842
2888
2935
3035
3140
3250
3366
3488
3616
3749
3889
—
—
—
—

Rpm
1033
1037
1043
1051
1054
1058
1066
1073
1082
1090
1099
—
—
—
—
—
—
—

2.0
Bhp
3.19
3.24
3.33
3.43
3.48
3.53
3.64
3.76
3.88
4.01
4.14
—
—
—
—
—
—
—

Watts
2976
3018
3104
3196
3243
3292
3395
3503
3616
3736
3861
—
—
—
—
—
—
—

2250
2300
2400
2500
2550
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3750

Rpm
505
513
527
543
550
558
574
589
605
621
637
654
670
686
703
720
736
745

0.2
Bhp
0.52
0.55
0.60
0.66
0.69
0.73
0.80
0.87
0.95
1.03
1.12
1.22
1.32
1.42
1.54
1.66
1.78
1.85

Watts
484
509
561
617
647
677
742
811
885
963
1046
1135
1228
1328
1433
1543
1660
1721

Rpm
586
592
605
618
625
632
645
659
673
688
702
717
732
747
762
777
793
801

0.4
Bhp
0.73
0.76
0.82
0.89
0.92
0.96
1.03
1.11
1.20
1.29
1.39
1.49
1.60
1.71
1.83
1.95
2.09
2.15

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 4.20.

*Motor drive range: 860 to 1080 rpm. All other rpms require field-supplied
drive.

125

581B036-150

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
681
657
0.97
901
722
708
663
1.00
931
727
766
674
1.07
993
738
828
686
1.14
1060
748
860
692
1.17
1095
754
894
698
1.21
1131
759
964
710
1.29
1207
770
1039
723
1.38
1287
782
1119
736
1.47
1372
794
1204
749
1.57
1463
806
1293
762
1.67
1558
818
1388
776
1.78
1658
831
1488
789
1.89
1764
843
1593
803
2.01
1876
856
1705
817
2.14
1993
870
1822
832
2.27
2116
883
1944
846
2.41
2245
896
2008
853
2.48
2312
903

Airflow
(Cfm)

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581B102 (81/2 TONS) — STANDARD MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
576
682
0.78
732
753
621
692
0.84
783
761
670
702
0.90
837
770
721
712
0.96
894
780
775
722
1.02
954
789
832
732
1.09
1017
799
893
743
1.16
1083
808
957
754
1.24
1153
818
1024
765
1.31
1225
829
1095
777
1.40
1302
839
1169
788
1.48
1381
850
1246
800
1.57
1465
860
1328
811
1.66
1552
871
1414
823
1.76
1644
882
1503
835
1.86
1739
894
1597
848
1.97
1838
905
1695
860
2.08
1942
917
1797
872
2.20
2050
928
1903
885
2.32
2162
940

0.8
Bhp
0.96
1.02
1.08
1.15
1.22
1.29
1.37
1.45
1.53
1.62
1.71
1.81
1.91
2.01
2.12
2.23
2.35
2.47
2.60

Watts
892
948
1008
1070
1136
1204
1276
1351
1429
1511
1597
1686
1779
1876
1977
2082
2192
2305
2423

Rpm
817
825
834
842
851
860
869
878
888
897
907
917
927
938
948
959
970
981
992

1.0
Bhp
1.13
1.20
1.27
1.34
1.42
1.50
1.58
1.66
1.75
1.85
1.95
2.05
2.15
2.26
2.38
2.50
2.62
2.75
2.88

Watts
1055
1117
1182
1250
1321
1395
1471
1552
1636
1723
1815
1909
2008
2111
2217
2328
2443
2562
2686

581B102 (81/2 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
2500
877
1.31
1222
933
1.49
1392
986
1.68
1565
1037
2600
885
1.38
1289
940
1.57
1464
993
1.76
1643
1043
2700
892
1.46
1359
948
1.65
1540
1000
1.85
1723
1049
2800
900
1.54
1432
955
1.74
1618
1007
1.94
1807
1056
2900
908
1.62
1508
963
1.82
1699
1014
2.03
1893
1063
3000
917
1.70
1587
970
1.91
1784
1021
2.13
1983
1070
3100
925
1.79
1670
979
2.01
1872
1029
2.23
2076
1077
3200
934
1.88
1756
987
2.10
1963
1037
2.33
2172
1085
3300
943
1.98
1845
995
2.21
2057
1045
2.44
2272
1092
3400
952
2.08
1939
1004
2.31
2156
1053
2.55
2376
1100
3500
961
2.18
2035
1013
2.42
2258
1062
2.66
2483
—
3600
971
2.29
2135
1022
2.53
2364
1070
2.78
2595
—
3700
981
2.40
2240
1031
2.65
2473
—
—
—
—
3800
990
2.52
2348
1040
2.77
2587
—
—
—
—
3900
1000
2.64
2459
1050
2.90
2705
—
—
—
—
4000
1011
2.76
2576
—
—
—
—
—
—
—
4100
1021
2.89
2697
—
—
—
—
—
—
—
4200
—
—
—
—
—
—
—
—
—
—
4300
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
1.87
1.96
2.05
2.14
2.24
2.34
2.45
2.56
2.67
2.79
—
—
—
—
—
—
—
—
—

Watts
1742
1824
1909
1998
2089
2185
2283
2384
2490
2599
—
—
—
—
—
—
—
—
—

Rpm
1085
1091
1097
1103
1110
1117
1123
1131
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
2.06
2.15
2.25
2.35
2.45
2.56
2.67
2.79
—
—
—
—
—
—
—
—
—
—
—

Watts
1921
2008
2099
2192
2289
2389
2492
2599
—
—
—
—
—
—
—
—
—
—
—

581B036-150

Airflow
(Cfm)
2500
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300

Rpm
513
526
539
552
565
579
592
606
620
634
648
662
676
690
705
719
734
748
763

0.2
Bhp
0.45
0.50
0.54
0.59
0.64
0.70
0.76
0.82
0.88
0.95
1.03
1.10
1.19
1.27
1.36
1.45
1.55
1.66
1.76

Watts
423
463
505
551
599
651
706
764
825
890
958
1030
1106
1185
1269
1357
1449
1545
1646

Rpm
603
614
625
637
648
660
672
684
696
709
721
734
747
760
773
786
799
813
826

0.4
Bhp
0.62
0.67
0.72
0.77
0.83
0.89
0.96
1.03
1.10
1.17
1.25
1.34
1.42
1.52
1.61
1.71
1.82
1.93
2.04

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.

*Motor drive range: 840 to 1085 rpm. All other rpms require field-supplied
drive.

126

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581B102 (81/2 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
0.8
Bhp
0.96
1.02
1.08
1.15
1.22
1.29
1.37
1.45
1.53
1.62
1.71
1.81
1.91
2.01
2.12
2.23
2.35
2.47
2.60

Watts
892
948
1008
1070
1136
1204
1276
1351
1429
1511
1597
1686
1779
1876
1977
2082
2192
2305
2423

Rpm
817
825
834
842
851
860
869
878
888
897
907
917
927
938
948
959
970
981
992

1.0
Bhp
1.13
1.20
1.27
1.34
1.42
1.50
1.58
1.66
1.75
1.85
1.95
2.05
2.15
2.26
2.38
2.50
2.62
2.75
2.88

Watts
1055
1117
1182
1250
1321
1395
1471
1552
1636
1723
1815
1909
2008
2111
2217
2328
2443
2562
2686

581B102 (81/2 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
2500
877
1.31
1222
933
1.49
1392
986
1.68
1565
1037
2600
885
1.38
1289
940
1.57
1464
993
1.76
1643
1043
2700
892
1.46
1359
948
1.65
1540
1000
1.85
1723
1049
2800
900
1.54
1432
955
1.74
1618
1007
1.94
1807
1056
2900
908
1.62
1508
963
1.82
1699
1014
2.03
1893
1063
3000
917
1.70
1587
970
1.91
1784
1021
2.13
1983
1070
3100
925
1.79
1670
979
2.01
1872
1029
2.23
2076
1077
3200
934
1.88
1756
987
2.10
1963
1037
2.33
2172
1085
3300
943
1.98
1845
995
2.21
2057
1045
2.44
2272
1092
3400
952
2.08
1939
1004
2.31
2156
1053
2.55
2376
1100
3500
961
2.18
2035
1013
2.42
2258
1062
2.66
2483
1108
3600
971
2.29
2135
1022
2.53
2364
1070
2.78
2595
1116
3700
981
2.40
2240
1031
2.65
2473
1079
2.91
2709
1125
3800
990
2.52
2348
1040
2.77
2587
1088
3.03
2828
1133
3900
1000
2.64
2459
1050
2.90
2705
1097
3.17
2951
1142
4000
1011
2.76
2576
1059
3.03
2826
1106
3.30
3079
1151
4100
1021
2.89
2697
1069
3.17
2953
1116
3.44
3210
1160
4200
1031
3.03
2822
1079
3.31
3083
1125
3.59
3347
1169
4300
1042
3.16
2951
1089
3.45
3218
1135
3.74
3487
1179

1.8
Bhp
1.87
1.96
2.05
2.14
2.24
2.34
2.45
2.56
2.67
2.79
2.91
3.03
3.16
3.30
3.43
3.58
3.72
3.87
4.03

Watts
1742
1824
1909
1998
2089
2185
2283
2384
2490
2599
2711
2827
2948
3073
3201
3334
3471
3612
3758

Rpm
1085
1091
1097
1103
1110
1117
1123
1131
1138
1145
1153
1161
1169
1177
1186
1194
1203
1212
—

2.0
Bhp
2.06
2.15
2.25
2.35
2.45
2.56
2.67
2.79
2.91
3.03
3.15
3.29
3.42
3.56
3.70
3.85
4.00
4.16
—

Watts
1921
2008
2099
2192
2289
2389
2492
2599
2710
2824
2942
3063
3189
3319
3452
3591
3733
3880
—

2500
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300

Rpm
513
526
539
552
565
579
592
606
620
634
648
662
676
690
705
719
734
748
763

0.2
Bhp
0.45
0.50
0.54
0.59
0.64
0.70
0.76
0.82
0.88
0.95
1.03
1.10
1.19
1.27
1.36
1.45
1.55
1.66
1.76

Watts
423
463
505
551
599
651
706
764
825
890
958
1030
1106
1185
1269
1357
1449
1545
1646

Rpm
603
614
625
637
648
660
672
684
696
709
721
734
747
760
773
786
799
813
826

0.4
Bhp
0.62
0.67
0.72
0.77
0.83
0.89
0.96
1.03
1.10
1.17
1.25
1.34
1.42
1.52
1.61
1.71
1.82
1.93
2.04

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 4.20.

*Motor drive range: 860 to 1080 rpm. All other rpms require field-supplied
drive.

127

581B036-150

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
576
682
0.78
732
753
621
692
0.84
783
761
670
702
0.90
837
770
721
712
0.96
894
780
775
722
1.02
954
789
832
732
1.09
1017
799
893
743
1.16
1083
808
957
754
1.24
1153
818
1024
765
1.31
1225
829
1095
777
1.40
1302
839
1169
788
1.48
1381
850
1246
800
1.57
1465
860
1328
811
1.66
1552
871
1414
823
1.76
1644
882
1503
835
1.86
1739
894
1597
848
1.97
1838
905
1695
860
2.08
1942
917
1797
872
2.20
2050
928
1903
885
2.32
2162
940

Airflow
(Cfm)

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581B120 (10 TONS) — STANDARD MOTOR (BELT DRIVE)*

581B036-150

Airflow
(Cfm)
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm
579
592
606
620
634
648
662
676
690
705
719
734
748
763
778
792
807
822
837
852
867

0.2
Bhp
0.70
0.76
0.82
0.88
0.95
1.03
1.10
1.19
1.27
1.36
1.45
1.55
1.66
1.76
1.88
1.99
2.12
2.25
2.38
2.52
2.66

Watts
651
706
764
825
890
958
1030
1106
1185
1269
1357
1449
1545
1646
1751
1860
1975
2094
2218
2347
2482

Rpm
660
672
684
696
709
721
734
747
760
773
786
799
813
826
840
853
867
881
895
909
923

0.4
Bhp
0.89
0.96
1.03
1.10
1.17
1.25
1.34
1.42
1.52
1.61
1.71
1.82
1.93
2.04
2.16
2.28
2.41
2.55
2.69
2.83
2.98

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
832
732
1.09
1017
799
893
743
1.16
1083
808
957
754
1.24
1153
818
1024
765
1.31
1225
829
1095
777
1.40
1302
839
1169
788
1.48
1381
850
1246
800
1.57
1465
860
1328
811
1.66
1552
871
1414
823
1.76
1644
882
1503
835
1.86
1739
894
1597
848
1.97
1838
905
1695
860
2.08
1942
917
1797
872
2.20
2050
928
1903
885
2.32
2162
940
2014
898
2.44
2279
952
2130
910
2.57
2401
964
2250
923
2.71
2527
976
2375
936
2.85
2658
989
2505
949
3.00
2794
1001
2640
963
3.15
2935
1014
2781
976
3.30
3081
1026

0.8
Bhp
1.29
1.37
1.45
1.53
1.62
1.71
1.81
1.91
2.01
2.12
2.23
2.35
2.47
2.60
2.73
2.87
3.01
3.15
3.31
3.46
3.63

Watts
1204
1276
1351
1429
1511
1597
1686
1779
1876
1977
2082
2192
2305
2423
2546
2673
2805
2942
3083
3230
3383

Rpm
860
869
878
888
897
907
917
927
938
948
959
970
981
992
1004
1015
1027
1038
1050
—
—

1.0
Bhp
1.50
1.58
1.66
1.75
1.85
1.95
2.05
2.15
2.26
2.38
2.50
2.62
2.75
2.88
3.02
3.16
3.31
3.46
3.62
—
—

Watts
1395
1471
1552
1636
1723
1815
1909
2008
2111
2217
2328
2443
2562
2686
2814
2947
3085
3227
3375
—
—

1.8
Bhp
2.34
2.45
2.56
2.67
2.79
2.91
3.03
3.16
3.30
3.43
3.58
—
—
—
—
—
—
—
—
—
—

Watts
2185
2283
2384
2490
2599
2711
2827
2948
3073
3201
3334
—
—
—
—
—
—
—
—
—
—

Rpm
1117
1123
1131
1138
1145
1153
1161
1169
1177
1186
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
2.56
2.67
2.79
2.91
3.03
3.15
3.29
3.42
3.56
3.70
—
—
—
—
—
—
—
—
—
—
—

Watts
2389
2492
2599
2710
2824
2942
3063
3189
3319
3452
—
—
—
—
—
—
—
—
—
—
—

581B120 (10 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm
917
925
934
943
952
961
971
981
990
1000
1011
1021
1031
1042
1053
1064
1075
—
—
—
—

1.2
Bhp
1.70
1.79
1.88
1.98
2.08
2.18
2.29
2.40
2.52
2.64
2.76
2.89
3.03
3.16
3.31
3.46
3.61
—
—
—
—

Watts
1587
1670
1756
1845
1939
2035
2135
2240
2348
2459
2576
2697
2822
2951
3085
3224
3367
—
—
—
—

Rpm
970
979
987
995
1004
1013
1022
1031
1040
1050
1059
1069
1079
1089
1100
—
—
—
—
—
—

1.4
Bhp
1.91
2.01
2.10
2.21
2.31
2.42
2.53
2.65
2.77
2.90
3.03
3.17
3.31
3.45
3.60
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
1784
1021
2.13
1983
1070
1872
1029
2.23
2076
1077
1963
1037
2.33
2172
1085
2057
1045
2.44
2272
1092
2156
1053
2.55
2376
1100
2258
1062
2.66
2483
1108
2364
1070
2.78
2595
1116
2473
1079
2.91
2709
1125
2587
1088
3.03
2828
1133
2705
1097
3.17
2951
1142
2826
1106
3.30
3079
1151
2953
1116
3.44
3210
—
3083
1125
3.59
3347
—
3218
—
—
—
—
3357
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 3.70.

*Motor drive range: 860 to 1080 rpm. All other rpms require field-supplied
drive.

128

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581B120 (10 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
0.8
Bhp
1.29
1.37
1.45
1.53
1.62
1.71
1.81
1.91
2.01
2.12
2.23
2.35
2.47
2.60
2.73
2.87
3.01
3.15
3.31
3.46
3.63

Watts
1204
1276
1351
1429
1511
1597
1686
1779
1876
1977
2082
2192
2305
2423
2546
2673
2805
2942
3083
3230
3383

Rpm
860
869
878
888
897
907
917
927
938
948
959
970
981
992
1004
1015
1027
1038
1050
1062
1074

1.0
Bhp
1.50
1.58
1.66
1.75
1.85
1.95
2.05
2.15
2.26
2.38
2.50
2.62
2.75
2.88
3.02
3.16
3.31
3.46
3.62
3.78
3.95

Watts
1395
1471
1552
1636
1723
1815
1909
2008
2111
2217
2328
2443
2562
2686
2814
2947
3085
3227
3375
3528
3685

581B120 (10 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
3000
917
1.70
1587
970
1.91
1784
1021
2.13
1983
1070
3100
925
1.79
1670
979
2.01
1872
1029
2.23
2076
1077
3200
934
1.88
1756
987
2.10
1963
1037
2.33
2172
1085
3300
943
1.98
1845
995
2.21
2057
1045
2.44
2272
1092
3400
952
2.08
1939
1004
2.31
2156
1053
2.55
2376
1100
3500
961
2.18
2035
1013
2.42
2258
1062
2.66
2483
1108
3600
971
2.29
2135
1022
2.53
2364
1070
2.78
2595
1116
3700
981
2.40
2240
1031
2.65
2473
1079
2.91
2709
1125
3800
990
2.52
2348
1040
2.77
2587
1088
3.03
2828
1133
3900
1000
2.64
2459
1050
2.90
2705
1097
3.17
2951
1142
4000
1011
2.76
2576
1059
3.03
2826
1106
3.30
3079
1151
4100
1021
2.89
2697
1069
3.17
2953
1116
3.44
3210
1160
4200
1031
3.03
2822
1079
3.31
3083
1125
3.59
3347
1169
4300
1042
3.16
2951
1089
3.45
3218
1135
3.74
3487
1179
4400
1053
3.31
3085
1100
3.60
3357
1145
3.90
3632
1188
4500
1064
3.46
3224
1110
3.76
3502
1155
4.06
3782
1198
4600
1075
3.61
3367
1121
3.91
3650
1165
4.22
3937
1208
4700
1086
3.77
3515
1131
4.08
3805
1175
4.39
4096
1217
4800
1097
3.93
3668
1142
4.25
3963
1186
4.57
4260
1228
4900
1109
4.10
3826
1153
4.43
4128
1196
4.75
4430
1238
5000
1120
4.28
3990
1164
4.61
4296
1207
4.94
4604
—

1.8
Bhp
2.34
2.45
2.56
2.67
2.79
2.91
3.03
3.16
3.30
3.43
3.58
3.72
3.87
4.03
4.19
4.36
4.53
4.71
4.89
5.08
—

Watts
2185
2283
2384
2490
2599
2711
2827
2948
3073
3201
3334
3471
3612
3758
3909
4064
4224
4389
4559
4734
—

Rpm
1117
1123
1131
1138
1145
1153
1161
1169
1177
1186
1194
1203
1212
1221
1230
1239
1249
1258
1268
—
—

2.0
Bhp
2.56
2.67
2.79
2.91
3.03
3.15
3.29
3.42
3.56
3.70
3.85
4.00
4.16
4.32
4.49
4.66
4.84
5.02
5.21
—
—

Watts
2389
2492
2599
2710
2824
2942
3063
3189
3319
3452
3591
3733
3880
4031
4187
4348
4514
4684
4860
—
—

3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000

Rpm
579
592
606
620
634
648
662
676
690
705
719
734
748
763
778
792
807
822
837
852
867

0.2
Bhp
0.70
0.76
0.82
0.88
0.95
1.03
1.10
1.19
1.27
1.36
1.45
1.55
1.66
1.76
1.88
1.99
2.12
2.25
2.38
2.52
2.66

Watts
651
706
764
825
890
958
1030
1106
1185
1269
1357
1449
1545
1646
1751
1860
1975
2094
2218
2347
2482

Rpm
660
672
684
696
709
721
734
747
760
773
786
799
813
826
840
853
867
881
895
909
923

0.4
Bhp
0.89
0.96
1.03
1.10
1.17
1.25
1.34
1.42
1.52
1.61
1.71
1.82
1.93
2.04
2.16
2.28
2.41
2.55
2.69
2.83
2.98

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 5.25.

*Motor drive range: 830 to 1130 rpm. All other rpms require field-supplied
drive.

129

581B036-150

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
832
732
1.09
1017
799
893
743
1.16
1083
808
957
754
1.24
1153
818
1024
765
1.31
1225
829
1095
777
1.40
1302
839
1169
788
1.48
1381
850
1246
800
1.57
1465
860
1328
811
1.66
1552
871
1414
823
1.76
1644
882
1503
835
1.86
1739
894
1597
848
1.97
1838
905
1695
860
2.08
1942
917
1797
872
2.20
2050
928
1903
885
2.32
2162
940
2014
898
2.44
2279
952
2130
910
2.57
2401
964
2250
923
2.71
2527
976
2375
936
2.85
2658
989
2505
949
3.00
2794
1001
2640
963
3.15
2935
1014
2781
976
3.30
3081
1026

Airflow
(Cfm)

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581B150 (121/2 TONS) — STANDARD MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
1328
811
1.66
1552
871
1414
823
1.76
1644
882
1503
835
1.86
1739
894
1597
848
1.97
1838
905
1695
860
2.08
1942
917
1797
872
2.20
2050
928
1903
885
2.32
2162
940
2014
898
2.44
2279
952
2130
910
2.57
2401
964
2250
923
2.71
2527
976
2375
936
2.85
2658
989
2505
949
3.00
2794
1001
2640
963
3.15
2935
1014
2781
976
3.30
3081
1026
2926
989
3.47
3232
1039
3077
1003
3.63
3389
1052
3233
1016
3.81
3551
1065
3395
1030
3.99
3719
1078
3563
1044
4.17
3892
1091
3736
1057
4.37
4071
1104
3915
1071
4.56
4256
1117
4100
1085
4.77
4447
1130
4292
1099
4.98
4645
—
4489
1113
5.20
4848
—
4693
—
—
—
—
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
1.91
2.01
2.12
2.23
2.35
2.47
2.60
2.73
2.87
3.01
3.15
3.31
3.46
3.63
3.80
3.97
4.15
4.34
4.53
4.73
4.93
5.14
—
—
—
—
—

Watts
1779
1876
1977
2082
2192
2305
2423
2546
2673
2805
2942
3083
3230
3383
3540
3702
3870
4044
4223
4408
4599
4796
—
—
—
—
—

Rpm
927
938
948
959
970
981
992
1004
1015
1027
1038
1050
1062
1074
1086
1099
1111
1123
1136
1149
—
—
—
—
—
—
—

1.0
Bhp
2.15
2.26
2.38
2.50
2.62
2.75
2.88
3.02
3.16
3.31
3.46
3.62
3.78
3.95
4.13
4.31
4.49
4.69
4.88
5.09
—
—
—
—
—
—
—

Watts
2008
2111
2217
2328
2443
2562
2686
2814
2947
3085
3227
3375
3528
3685
3849
4017
4191
4370
4555
4746
—
—
—
—
—
—
—

581B150 (121/2 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
3700
981
2.40
2240
1031
2.65
2473
1079
2.91
2709
1125
3800
990
2.52
2348
1040
2.77
2587
1088
3.03
2828
1133
3900
1000
2.64
2459
1050
2.90
2705
1097
3.17
2951
1142
4000
1011
2.76
2576
1059
3.03
2826
1106
3.30
3079
1151
4100
1021
2.89
2697
1069
3.17
2953
1116
3.44
3210
1160
4200
1031
3.03
2822
1079
3.31
3083
1125
3.59
3347
1169
4300
1042
3.16
2951
1089
3.45
3218
1135
3.74
3487
1179
4400
1053
3.31
3085
1100
3.60
3357
1145
3.90
3632
1188
4500
1064
3.46
3224
1110
3.76
3502
1155
4.06
3782
1198
4600
1075
3.61
3367
1121
3.91
3650
1165
4.22
3937
1208
4700
1086
3.77
3515
1131
4.08
3805
1175
4.39
4096
1217
4800
1097
3.93
3668
1142
4.25
3963
1186
4.57
4260
1228
4900
1109
4.10
3826
1153
4.43
4128
1196
4.75
4430
1238
5000
1120
4.28
3990
1164
4.61
4296
1207
4.94
4604
—
5100
1132
4.46
4159
1175
4.79
4471
1218
5.13
4784
—
5200
1144
4.65
4333
1187
4.99
4651
—
—
—
—
5300
1155
4.84
4512
1198
5.19
4836
—
—
—
—
5400
1167
5.04
4697
—
—
—
—
—
—
—
5500
1179
5.24
4889
—
—
—
—
—
—
—
5600
—
—
—
—
—
—
—
—
—
—
5700
—
—
—
—
—
—
—
—
—
—
5800
—
—
—
—
—
—
—
—
—
—
5900
—
—
—
—
—
—
—
—
—
—
6000
—
—
—
—
—
—
—
—
—
—
6100
—
—
—
—
—
—
—
—
—
—
6200
—
—
—
—
—
—
—
—
—
—
6300
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
3.16
3.30
3.43
3.58
3.72
3.87
4.03
4.19
4.36
4.53
4.71
4.89
5.08
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
2948
3073
3201
3334
3471
3612
3758
3909
4064
4224
4389
4559
4734
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1169
1177
1186
1194
1203
1212
1221
1230
1239
1249
1258
1268
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
3.42
3.56
3.70
3.85
4.00
4.16
4.32
4.49
4.66
4.84
5.02
5.21
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Watts
3189
3319
3452
3591
3733
3880
4031
4187
4348
4514
4684
4860
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

581B036-150

Airflow
(Cfm)
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
4900
5000
5100
5200
5300
5400
5500
5600
5700
5800
5900
6000
6100
6200
6300

Rpm
676
690
705
719
734
748
763
778
792
807
822
837
852
867
882
897
912
927
943
958
973
988
1004
1019
1034
1050
1065

0.2
Bhp
1.19
1.27
1.36
1.45
1.55
1.66
1.76
1.88
1.99
2.12
2.25
2.38
2.52
2.66
2.81
2.97
3.13
3.30
3.47
3.65
3.83
4.03
4.22
4.43
4.64
4.86
5.09

Watts
1106
1185
1269
1357
1449
1545
1646
1751
1860
1975
2094
2218
2347
2482
2622
2766
2917
3073
3234
3402
3575
3754
3939
4131
4329
4533
4744

Rpm
747
760
773
786
799
813
826
840
853
867
881
895
909
923
937
951
966
980
994
1009
1023
1038
1052
1067
1082
—
—

0.4
Bhp
1.42
1.52
1.61
1.71
1.82
1.93
2.04
2.16
2.28
2.41
2.55
2.69
2.83
2.98
3.14
3.30
3.47
3.64
3.82
4.01
4.20
4.40
4.60
4.81
5.03
—
—

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 5.25.

*Motor drive range: 830 to 1130 rpm. All other rpms require field-supplied
drive.

130

PERFORMANCE DATA (cont)
FAN RPM AT MOTOR PULLEY SETTING WITH STANDARD MOTOR* — 581B036-150
UNIT
581B

0

1/

036
048
060
072
090,102
120
150

1044
1185
1460
1585
1085
1080
1130

1008
1144
1425
1538
1060
1060
1112

2

1

11/2

2

971
1102
1389
1492
1035
1035
1087

935
1061
1354
1445
1010
1015
1062

898
1019
1318
1399
985
990
1037

MOTOR PULLEY TURNS OPEN
2 1 /2
3
3 1 /2
4
862
978
1283
1352
960
970
1212

826
936
1248
1305
935
950
987

789
895
1212
1259
910
925
962

753
853
1177
1212
890
905
937

4 1 /2

5

5 1 /2

6

716
812
1141
1166
865
880
912

680
770
1106
1119
840
860
887

—
—
1070
—
—
—
962

—
—
1035
—
—
—
830

*Approximate fan rpm shown (standard motor/drive).

UNIT
581B

0

1/

036
048
060
072
090
102
120

1455
1455
1685
1685
1080
1080
1130

1423
1423
1589
1589
1025
1025
1112

2

1

11/2

2

1392
1392
1557
1557
1007
1007
1087

1360
1360
1525
1525
988
988
1062

1328
1328
1493
1493
970
970
1037

MOTOR PULLEY TURNS OPEN
2 1 /2
3
3 1 /2
1297
1297
1460
1460
952
952
1212

1265
1265
1428
1428
933
933
987

1233
1233
1396
1396
915
915
962

4

4 1 /2

5

5 1 /2

6

1202
1202
1364
1364
897
897
937

1170
1170
1332
1332
878
878
912

1138
1138
1300
1300
860
860
887

1107
1107
—
—
—
—
962

1075
1075
—
—
—
—
830

*Approximate fan rpm shown (high-static motor/drive).

ALTITUDE COMPENSATION* — 581B036-072

ALTITUDE COMPENSATION* — 581B090-150

72,000 AND 115,000/
150,000/120,000 BTUH
60,000 and 90,000 BTUH
NOMINAL INPUT
NOMINAL INPUT
ELEVATION
(ft)
Liquid
Natural
Liquid
Natural Gas
Propane
Gas
Propane
Orifice Size†
Orifice Size† Orifice Size Orifice Size†
0-2,000
33/38
43
30/32
38
2,000
34/39
43
30/33
39
3,000
35/40
44
31/34
40
4,000
36/41
44
32/35
41
5,000
36/41
44
33/35
42
6,000
37/42
45
34/36
43
7,000
37/42
45
35/37
43
8,000
38/43
46
36/37
44
9,000
39/43
47
37/38
44
10,000
41/44
48
38/40
45
11,000
43/45
48
39/41
45
12,000
44/45
49
40/42
46
13,000
44/46
49
41/43
47
14,000
45/47
50
42/43
47

125,000, 180,000, AND
250,000 BTUH
224,000 BTUH
NOMINAL INPUT
NOMINAL INPUT
ELEVATION
(ft)
Natural Gas
Liquid
Natural Gas
Liquid
Orifice
Propane
Orifice
Propane
Size†
Orifice Size†
Size†
Orifice Size†
0-2,000
31
41
30
38
2,000
32
42
30
39
3,000
32
42
31
40
4,000
32
42
32
41
5,000
33
43
33
42
6,000
34
43
34
43
7,000
35
44
35
43
8,000
36
44
36
44
9,000
37
45
37
44
10,000
38
46
38
45
11,000
39
47
39
45
12,000
40
47
40
46
13,000
41
48
41
47
14,000
42
48
42
47

*As the height above sea level increases, there is less oxygen per cubic
foot of air. Therefore, the input rate should be reduced at higher altitudes.
†Orifices are available through your local Bryant distributor.

*As the height above sea level increases, there is less oxygen per cubic
foot of air. Therefore, the input rate should be reduced at higher altitudes.
†Orifices are available through your local Bryant distributor.

ALTITUDE DERATING FACTOR*
ELEVATION
0-2000
2001-3000
3001-4000
4001-5000
5001-6000

*Derating of the unit is not required unless the heating value of the gas
exceeds the values listed in the table above, or if the elevation exceeds
6000 ft. Derating conditions must be 4% per thousand ft above 2000 ft.
For example, at 4000 ft, if the heating value of the gas exceeds 1000 Btu/
ft3, the unit will require a 16% derating. For elevations above 6000 ft, the
same formula applies. For example, at 7000 ft, the unit will require a 28%
derating of the maximum heating value per the National Fuel Gas Code.

MAXIMUM HEATING VALUE (Btu/ft3)
1100
1050
1000
950
900

IMPORTANT: Local utility companies may be reducing heat content of gas
at altitudes above 2000 ft. If this is being done, changing spuds may not be
required.

131

581B036-150

FAN RPM AT MOTOR PULLEY SETTING WITH HIGH-STATIC MOTOR* — 581B036-150

PERFORMANCE DATA (cont)
OUTDOOR SOUND POWER (TOTAL UNIT)
UNIT
581B
036,048
060,072
090,102
120
150
dB

SOUND
RATING
(dB)
76
80
82
84
86

OCTAVE BANDS
63

125

250

500

1000

2000

4000

8000

55.9
59.1
62.2
64.6
63.7

66.0
68.9
69.3
71.1
69.9

64.0
68.7
71.5
73.3
72.5

66.2
71.9
74.7
76.9
78.2

68.4
74.0
76.2
77.6
81.1

64.5
68.9
72.9
73.7
77.3

61.7
65.7
68.7
70.6
73.3

57.3
59.0
61.5
63.7
66.8

LEGEND
— Sound Levels (decibels)

NOTE: The indoor sound power is available in Bryant’s Electronic Catalog
program (ECAT) for specific operating parameters.

581B036-150

EVAPORATOR-FAN MOTOR EFFICIENCY
UNIT SIZE 581B
036,048
060
072
090,102
120
150

EFFICIENCY%
75
74/84*
84
80
85
87

*Single phase/3 phase.
NOTES:
1. Convert bhp to watts using the following formula:
bhp (746)
watts =
motor efficiency
2. The EPACT (Energy Policy Act of 1992) regulates energy requirements

for specific types of indoor fan motors. Motors regulated by EPACT
include any general purpose, T-frame (three-digit, 143 and larger),
single-speed, foot mounted, polyphase, squirrel cage induction motors
of NEMA (National Electrical Manufacturers Association) design A and
B, manufactured for use in the United States. Ranging from 1 to 200
Hp, these continuous-duty motors operate on 230 and 460 volt, 60 Hz
power. If a motor does not fit into these specifications, the motor does
not have to be replaced by an EPACT-compliant energy-efficient motor.
Variable-speed motors are exempt from EPACT compliance requirements. Therefore, the indoor fan motors for Bryant 581B036-150 units
are exempt from these requirements.

ACCESSORY/FIOP STATIC PRESSURE* (in. wg) — 581B036-072
CFM

COMPONENT
Vertical EconoMi$er IV and EconoMi$er2

600

800

1000

1250

1500

1750

2000

2250

2500

2750

0.10

0.20

0.35

0.045

0.065

0.08

0.12

0.145

0.175

0.22

—

—

—

—

—

0.1

0.125

0.15

0.18

0.225

Horizontal EconoMi$er IV and EconoMi$er2

FIOP —

3000
0.255
0.275

*The static pressure must be added to external static pressure. The sum and the
evaporator entering-air cfm should be used in conjunction with the Fan Performance tables to determine indoor blower rpm and watts.

LEGEND
Factory-Installed Option

ACCESSORY/FIOP STATIC PRESSURE* (in. wg) — 581B090-150
COMPONENT
Vertical EconoMi$er IV and EconoMi$er2
Horizontal EconoMi$er IV and EconoMi$er2

2250
0.06
—

2500
0.075
0.1

2750
0.09
0.125

3000
0.115
0.15

3250
0.13
0.18

3500
0.15
0.21

CFM
3750 4000
0.17 0.195
0.25 0.275

4250
0.22
0.3

4500
0.25
0.34

4750
0.285
0.388

5000
0.325
—

5250
0.36
—

6250
—
—

*The static pressure must be added to external static pressure. The sum and the
evaporator entering-air cfm should be used in conjunction with the Fan Performance tables to determine indoor blower rpm and watts.

LEGEND
FIOP — Factory-Installed Option

132

PERFORMANCE DATA (cont)
0.35

Coil Pressure Drop (in. wg)

0.3

0.25

0.2

0.15

0.1

0.05

0
1000

0

4 & 5 ton

6 ton

5000

6000

581B036-150

3 ton

4000

3000
Airflow (cfm)

2000

8.5, 10 & 12.5 ton

7.5 ton

Perfect Humidity™ Adaptive Dehumidification Coil Pressure Drop
(Subcooling and Reheat Modes of Operation)

4000
3000

3-6 Ton

2000

7.5-12.5 Ton

1000

a48-6308

0
0

0.1

0.2

0.3

0.4

0.5

FLOW IN CUBIC FEET PER MINUTE (cfm)

VERTICAL POWER EXHAUST PERFORMANCE

FLOW IN CUBIC FEET PER MINUTE (cfm)

FLOW (cfm)

5000

STATIC PRESSURE (in. wg)
2500
2000
3-6 Ton

1500

7 1/2 - 12 1/2 Ton
1000
500
a48-6202

BAROMETRIC RELIEF FLOW CAPACITY

0

0.15

0.05

0.25

STATIC PRESSURE (in. wg)

30
25
20
3-6 Ton
7 1/2-12 1/2 Ton

15
10
OUTDOOR AIR DAMPER LEAKAGE

a48-6203

5
0
0.13

0.20 0.22

0.25

0.30 0.35 0.40

0.45

STATIC PRESSURE (in. wg)

Vertical EconoMi$er IV and EconoMi$er2
Performance Data (581B036-150)

133

0.50

PERFORMANCE DATA (cont)

2500

FLOW (cfm)

2000
1500
1000
a48-6309

500

581B036-150

0
0

0.1

0.2

0.3

0.4

0.5

STATIC PRESSURE (in. wg)
HORIZONTAL POWER EXHAUST PERFORMANCE

2000

a48-6224
1500
3-6 Ton
7 1/2 - 12 1/2 Ton
1000

500

0
0.05"

0.15"

0.25"

Static Pressure (in. wg)

BAROMETRIC RELIEF CAPACITY

Flow in cubic feet per minute (cfm)

Flow in cubic feet per minute (cfm)

2500

30
25
20
3-6 Ton

15

7 1/2 - 12 1/2 Ton

10

a48-6225

5
0
0.1"

0.2"

0.3"

0.4"

0.5"

Static Pressure (in. wg)

OUTDOOR AIR DAMPER LEAKAGE

Horizontal EconoMi$er IV and EconoMi$er2
Performance Data (581B036-150)

134

PERFORMANCE DATA (cont)
EVAPORATOR-FAN MOTOR PERFORMANCE — STANDARD MOTOR
UNIT
581B

036

048

072

090,102

120

150

UNIT
PHASE
Single

MAXIMUM
CONTINUOUS BHP*
1.20

MAXIMUM
OPERATING WATTS*
1000

Three

1.20

1000

Single

1.20

1000

Three

1.20

1000

Single

1.30

1650

Three

2.40

2120

Three

2.40

2120

Three

2.90

2615

Three

3.70

3775

Three

5.25

4400

MAXIMUM
AMP DRAW
4.9
4.9
2.2
2.2
4.9
4.9
2.2
2.2
10.1
6.7
3.0
3.0
6.7
3.0
3.0
8.6
3.9
3.9
12.2
5.5
5.5
17.3
8.5
8.5

LEGEND
Bhp — Brake Horsepower
*Extensive motor and electrical testing on these units ensures that the full horsepower and watts range of the
motors can be utilized with confidence. Using fan motors up to the ratings shown in this table will not result in
nuisance tripping or premature motor failure. Unit warranty will not be affected.

EVAPORATOR-FAN MOTOR PERFORMANCE — HIGH-STATIC MOTOR
UNIT
581B
036

048

060

072

090,102

120

UNIT
VOLTAGE
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575

UNIT
PHASE

MAXIMUM
CONTINUOUS BHP*

MAXIMUM
OPERATING WATTS*

Three

2.40

2120

Three

2.40

2120

Three

2.90

2615

Three

2.90

2615

Three

4.20

3775

Three

5.25

4400

LEGEND
Bhp — Brake Horsepower
*Extensive motor and electrical testing on these units ensures that the full horsepower and watts range of the
motors can be utilized with confidence. Using fan motors up to the ratings shown in this table will not result in
nuisance tripping or premature motor failure. Unit warranty will not be affected.

135

MAXIMUM
AMP DRAW
6.7
3.0
3.0
6.7
3.0
3.0
8.6
3.9
3.9
8.6
3.9
3.9
12.2
5.5
5.5
17.3
8.5
8.5

581B036-150

060

UNIT
VOLTAGE
208/230
208/230
460
575
208/230
208/230
460
575
208/230
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575

PERFORMANCE DATA (cont)

581B036-150

POWER EXHAUST OPTIONS
POWER EXHAUST
PART NO.
CRPWREXH030A01
CRPWREXH021A01
CRPWREXH022A01
CRPWREXH023A01

VERTICAL — MOUNTED IN ECONOMIZER HOOD
APPLICATION
USAGE
Power Exhaust System (208/230-1-60)
036-072*
Power Exhaust System (460-3-60)
036-072
Power Exhaust System (208/230-1-60)
090-150*
Power Exhaust System (460-3-60)
090-150

POWER OUTPUT
(Hp per fan)
0.23
0.24
0.47
0.37

NO.
FANS
2
2
2
2

POWER EXHAUST|
PART NO.
CRPWREXH028A01
CRPWREXH029A01

HORIZONTAL — MOUNTED IN RETURN DUCTWORK
APPLICATION
POWER EXHAUST DESCRIPTION
USAGE
Horizontal Power Exhaust (208/230-1-60)
All*
Horizontal Power Exhaust (460-3-60)
All

POWER OUTPUT
(Hp per fan)
0.48
0.48

NO.
FANS
1
1

POWER EXHAUST DESCRIPTION

*Single or three phase rooftop unit.

POWER EXHAUST POWER REQUIREMENTS
POWER EXHAUST
SIZE
3 to 6 Ton
71 /

2

to

121/

2

Ton

AMPS AT 230 V
(2 FANS RUNNING)
1.40 amps
at 60 Hz
3.04 amps
at 60 Hz

LEGEND
MOCP — Maximum Overcurrent Protection

136

230 VAC

MOCP
460 VAC

575 VAC

15.0
amps

15.0
amps

15.0
amps

ELECTRICAL DATA
581B036-150 UNITS
UNIT SIZE
581B

NOMINAL
V-PH-Hz

IFM
TYPE

208/230-1-60

STD
STD

208/230-3-60
HIGH

036
(3 Tons)

STD
460-3-60
HIGH
STD
HIGH
PH
208/230-1-60

STD
STD

208/230-3-60
HIGH

048
(4 Tons)

STD
460-3-60
HIGH
STD
575-3-60

HIGH

208/230-1-60

STD

PH

STD
208/230-3-60
HIGH

060
(5 Tons)

STD
460-3-60
HIGH
STD
575-3-60

HIGH
PH
STD

208/230-3-60
HIGH
STD
072
(6 Tons)

460-3-60
HIGH
STD
575-3-60

HIGH
PH
STD

208/230-3-60
HIGH
STD
090
(71/2 Tons)

460-3-60
HIGH
STD
575-3-60

HIGH
PH

NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES

VOLTAGE
RANGE
Min
Max

COMPRESSOR (each)

OFM (each)

Qty

RLA

LRA

Qty

FLA

187

254

1

16

88

1

0.7

187

254

1

10.3

77

1

0.7

IFM
FLA

COMBUSTION
FAN MOTOR
FLA

4.9

0.6

4.9
0.6
5.2
2.2
414

508

1

5.1

39

1

0.4

0.3
2.6
1.9

1
518

632

1

4.2

0.4

31

0.3
2.0

1

0.4

2.6

0.9

4.9

0.6

187

254

1

23.7

126

1

0.7

187

254

1

13.5

93

1

0.7

4.9
0.6
5.8
2.2
414

508

1

6.4

46.5

1

0.4

0.3
2.6
1.9

1

0.4

0.3

518

632

1

6.4

40

2.0
1

0.4

2.6

0.9

187

254

1

28.8

169

1

1.5

6.6

0.6

187

254

1

17.3

123

1

1.5

5.8
0.6
7.5
2.6
414

508

1

9

62

1

0.8

0.3
3.4
2.0

1
518

187

414

632

254

508

1

1

1

7.1

20.5

9.6

0.6

50

156

75

0.3
2.8

1

0.8

1

1.4

1

3.4

0.3

5.8

0.6

7.5

0.6

2.6

0.3

3.4

0.3

0.6

2.0
1
518

632

1

7.7

0.8

56

0.3
2.8

1

0.6

3.4

0.3

7.5
187

254

2

12.4

88

2

1.4

0.6
10.6
3.4

414

508

2

6.4

44

2

0.7

0.3
4.8
2.8

2
518

632

2

4.8

0.6

34
2

137

0.3
3.3

0.7

4.8

0.3

POWER SUPPLY*
MCA
25.6
31.6
18.5
24.5
19.4
25.4
9.0
11.7
9.4
12.1
7.6
9.7
7.7
9.8
8.3
10.4
35.2
41.2
22.5
28.5
23.4
29.4
10.6
13.3
11.0
13.7
10.3
12.5
10.4
12.6
11.0
13.2
44.1
50.1
28.9
34.9
30.6
36.6
14.7
17.4
15.5
18.2
11.5
13.6
12.3
14.4
12.2
14.4
32.8
38.8
34.5
40.5
15.2
17.9
16.0
18.7
12.4
14.6
13.2
15.4
12.8
15.0
38.2
44.2
41.3
47.3
19.2
21.9
20.6
23.3
14.6
16.8
15.3
17.5
15.8
17.9

MOCP**
30
35
25
30
25
30
15
15
15
15
10
15
10
15
10
15
45
50
30
35
30
35
15
15
15
15
15
15
15
15
15
15
60
60
35
40
35
40
20
20
20
20
15
15
15
20
15
20
40
45
40
45
20
20
20
25
15
20
20
20
15
20
45
50
45
50
25
25
25
25
20
20
20
20
20
20

MINIMUM UNIT
DISCONNECT SIZE†
FLA
LRA
25
101
30
106
18
90
24
95
19
120
25
124
9
46
11
48
9
60
12
63
7
36
9
38
8
43
10
44
8
52
10
54
34
139
39
144
22
106
27
111
23
136
29
140
10
54
13
56
11
68
13
70
10
45
12
47
10
52
12
53
11
61
13
63
42
206
48
210
28
168
34
173
30
187
36
192
14
84
17
87
15
94
18
96
11
63
13
64
12
72
14
73
12
76
14
77
32
200
37
205
34
219
39
224
15
97
17
99
16
107
18
109
12
69
14
70
13
79
15
80
13
81
15
83
40
242
46
247
44
267
49
271
20
121
23
123
22
134
24
136
15
95
17
95
17
104
19
104
17
104
19
104

580F036-151 AND 581B036-150

575-3-60

CONV
OUTLET

ELECTRICAL DATA (cont)
581B036-150 UNITS
UNIT SIZE
581B

NOMINAL
V-PH-Hz

CONV
OUTLET

IFM TYPE

NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES

STD
208/230-3-60
HIGH
STD
102
(81/2 Tons)

460-3-60
HIGH
STD
575-3-60

HIGH

581B036-150

PH
STD
208/230-3-60
HIGH
STD
120
(10 Tons)

460-3-60
HIGH
STD
575-3-60

HIGH
PH

150
(121/2 Tons)

208/230-3-60

STD

460-3-60

STD
ST

575-3-60
PH

CONV
FLA
HACR
IFM
LRA
MCA
MOCP
NEC
OFM
PH
RLA
UL

—
—
—
—
—
—
—
—
—
—
—
—

VOLTAGE
RANGE
Min
Max

COMPRESSOR (each)

OFM (each)

Qty

RLA

LRA

Qty

FLA

2

13.1

105

2

1.4

254

0.6
10.6
3.4

414

508

2

7.4

55

2

0.7

0.3
4.8
2.8

0.6
518

632

2

6.4

44

2

187

254

2

17.6

125

2

0.3
3.3

0.7

4.8

0.3

10.6

0.6

15.0

0.6

1.4

4.8
414

508

2

8.3

62.5

2

0.7

0.3
7.4

518

632

2

6.3

2

0.6

2

0.7

50

3.3

0.3

5.6

0.3

7.4

0.3

187

254

2

19

156

2

1.4

15.0

0.6

414

508

2

9

75

2

0.7

7.4

0.3

2

0.6

5.6

0.3

2

0.7

7.4

0.3

518

632

2

7.4

54

POWER SUPPLY*
MCA
40.2
46.2
43.3
49.3
21.5
24.2
22.9
25.6
18.2
20.4
18.9
21.1
19.4
21.5
53.0
59.0
57.4
63.4
24.9
27.6
27.5
30.2
19.1
21.3
21.0
23.1
21.2
23.4
60.6
66.6
29.1
31.8
23.5
25.6
23.7
25.9

MOCP**
45
50
50
60
25
30
25
30
20
25
25
25
25
25
60
70
70
70
30
30
30
35
25
25
25
25
25
25
70
70
35
35
30
30
30
30

MINIMUM UNIT
DISCONNECT SIZE†
FLA
LRA
42
276
48
281
46
301
51
305
23
143
25
145
24
156
27
158
19
115
21
116
20
124
22
126
20
124
22
126
56
341
61
345
61
364
66
369
26
171
29
173
29
182
32
184
20
136
22
138
23
146
25
148
23
146
25
148
64
426
70
431
31
207
33
209
25
154
27
156
25
154
27
156

Determine percent of voltage imbalance.
% Voltage Imbalance = 100 x

7
457

= 1.53%
This amount of phase imbalance is satisfactory as it is below the maximum allowable
2%.
IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact your local
electric utility company immediately.

POWER EXHAUST ELECTRICAL DATA

*The values listed in this table do not include power exhaust. See table at right for power
exhaust requirements.
†Used to determine minimum disconnect per NEC.
**Fuse or HACR circuit breaker.
NOTES:
1. In compliance with NEC requirements for multimotor and combination load equipment
(refer to NEC Articles 430 and 440), the overcurrent protective device for the unit shall be
fuse or HACR breaker. The UL, Canada units may be fuse or circuit breaker.
2. Electrical data based on 95 F ambient outdoor-air temperature ± 10% voltage.
3. Unbalanced 3-Phase Supply Voltage
Never operate a motor where a phase imbalance in supply voltage is greater than 2%.
Use the following formula to determine the percent of voltage imbalance.
max voltage deviation from average voltage
= 100 x
average voltage

POWER EXHAUST
PART NO.

APPLICATION
USAGE

CRPWREXH030A01
CRPWREXH021A01
CRPWREXH022A01
CRPWREXH023A01
CRPWREXH028A01
CRPWREXH029A01

036-072*
036-072
090-150*
090-150
ALL*
ALL

MOCP
MCA
MCA
MCA
(separate
(230 V) (460 V) (575 V) power source
only)
1.6
N/A
0.64
15
N/A
0.68
N/A
15
3.4
N/A
1.32
15
N/A
1.4
N/A
15
1.7
N/A
0.68
15
N/A
0.7
N/A
15

N/A — Not Available
*Single or three phase.
NOTE: If a single power source is to be used, size wire to include power exhaust MCA
and MOCP.
Check MCA and MOCP when power exhaust is powered through the unit. Determine the
new MCA including the power exhaust using the following formula:
MCA New = MCA unit only + MCA of Power Exhaust
For example, using a 581B060 unit with MCA = 28.9 and MOCP = 35, with
CRPWREXH030A01 power exhaust.
MCA New = 28.9 amps + 1.6 amps = 30.5 amps
If the new MCA does not exceed the published MOCP, then MOCP would not change.
The MOCP in this example is 35 amps and the MCA New is below 35; therefore the
MOCP is acceptable. If “MCA New” is larger than the published MOCP, raise the MOCP
to the next larger size. For separate power, the MOCP for the power exhaust will be
15 amps per NEC.

Example: Supply voltage is 460-3-60.
AB = 452 v
BC = 464 v
AC = 455 v

=

COMBUSTION
FAN MOTOR
FLA

7.5
187

LEGEND
Convenience Outlet
Full Load Amps
Heating, Air Conditioning and Refrigeration
Indoor (Evaporator) Fan Motor
Locked Rotor Amps
Minimum Circuit Amps
Maximum Overcurrent Protection
National Electrical Code
Outdoor (Condenser) Fan Motor
Perfect Humidity™ Dehumidification System
Rated Load Amps
Underwriters’ Laboratories

Average Voltage
=

IFM
FLA

452 + 464 + 455
3
1371
3

= 457
Determine maximum deviation from average voltage.
(AB) 457 – 452 = 5 v
(BC) 464 – 457 = 7 v
(AC) 457 – 455 = 2 v
Maximum deviation is 7 v.

138

TYPICAL WIRING SCHEMATICS — 581B

580F036-151 AND 581B036-150

a48-8233

SIZES 036-150 (581B090, 460-3-60 Shown)

139

581B036-150

TYPICAL WIRING SCHEMATICS — 581B (cont)

a48-7910

IAQ
LA
POT
OAT
RAT

—
—
—
—
—

LEGEND
Indoor Air Quality
Low Ambient Lockout Device
Potentiometer
Outdoor-Air Temperature
Return-Air Temperature

NOTE:
Potentiometer Defaults Settings:
Power Exhaust Middle
Minimum Pos. Fully Closed
DCV Max.
Middle
DCV Set
Middle
Enthalpy
C Setting

ECONOMIZER NOTES:
1. 620 ohm, 1 watt 5% resister should be removed only when using differential
enthalpy or dry bulb.
2. If a separate field supplied 24v transformer is used for the IAQ sensor
power supply, it cannot have the secondary of the transformer grounded.
3. For field installed remote minimum position POT, remove black wire jumper
between P and P1 and set control minimum position POT to the minimum
position.

EconoMi$er IV Wiring — 581B036-150 Units

BLACK

4
3
5

BLUE
500 OHM
RESISTOR

8
VIOLET

6

NOTE 1
PINK

7

RUN
RED

+

NOTE 2

2

1

YELLOW

10

50HJ540573
ACTUATOR
ASSEMBLY

OPTIONAL CO 2
SENSOR 4 - 20 mA
OUTPUT

11
9
WHITE

DIRECT DRIVE
ACTUATOR

12

a48-8209
NOTES:
1. Switch on actuator must be in run position for economizer to operate.
2. 50HJ540573 actuator consists of the 50HJ540567 actuator and a harness with 500-ohm resistor.

EconoMi$er2 Wiring — 581B036-150 Units

140

ECONOMISER2 PLUG

TYPICAL WIRING SCHEMATICS — 581B (cont)
460V
C2 FOR 008-014 UNITS

RED

YEL BLU

LINE SIDE

GRA

C
H3

H1

H2

H4

TRAN4

BLU
GRA

11

21

RED
YEL

13

23

23

240V
X4

X2

X1

X3

RED
H1

H3

H2

X2

X3

GRA
208-230-1 ONLY

H4

TRAN4

RED

GRA

X4

600V
H2

H1

X1

BLK

WHT
SECONDARY
120V

TRAN4

X4

X2

GROUND FAULT
INTERRUPTER
CONVENIENCE
OUTLET
GFI - CO

X1

X3

GRN-YEL
GRN-YEL

SECONDARY
120V
SWITCH

BLK

FUSE

TEST
RESET

a48-7462

15 AMP

Convenience Outlet (Optional) — Sizes 581B036-150

UNIT
DISCONNECT
FIELD
POWER
SUPPLY

BLK

BLK

YEL

YEL

BLU

BLU

TB

a48-7463

BLK

BLK

YEL

YEL

BLU

BLU

SINGLE POINT CONNECTION BOX

NOTE: Use copper conductors only.

Non-Fused Disconnect (Optional) — Sizes 581B036-150

141

WHT

580F036-151 AND 581B036-150

SECONDARY
120V

YEL BLU

581B036-150

TYPICAL PIPING AND WIRING — 581B036-150

48-983

Vertical Discharge Ducting

NO.1
CONVENIENCE
OUTLET

a48-6307
NO.2

NEC — National Electrical Code

Horizontal Discharge Ducting

142

GUIDE SPECIFICATIONS — 580F036-151 AND 581B036-150
Color: American Sterling, this gray color is to match
federal standard 595a, #26231.
Gloss (per ASTM 0523, 60 deg. F): 60.
Hardness of paint film: H-2H pencil hardness.
2. Evaporator fan compartment interior cabinet surfaces shall be insulated with a minimum 1/2-in. thick,
1 lb density, flexible fiberglass insulation, neoprene
coated on the air side. Aluminum foil-faced fiberglass insulation shall be used in the gas heat
compartment.
3. Cabinet panels shall be easily removable for
servicing.
4. Holes shall be provided in the base rails for rigging
shackles to facilitate maneuvering and overhead
rigging.
5. Unit shall have a factory-installed, sloped condensate drain pan made of a non-corrosive material, providing a minimum 3/4-in.-14 NPT connection with
both vertical and horizontal drains, and shall comply
with ASHRAE Standard 62.
6. Unit shall have a factory-installed filter access panel
to provide filter access with tool-less removal.
7. Unit shall have standard thru-the-bottom gas and
power connection capability (accessory kit is
required).
C. Fans:
1. Evaporator Fan:
a. Fan shall be direct or belt driven as shown on the
equipment drawings. Belt drive shall include an
adjustable-pitch motor pulley.
b. Fan wheel shall be double-inlet type with forwardcurved blades.
c. Bearings shall be sealed, permanently lubricated
ball-bearing type for longer life and lower
maintenance.
2. Evaporator fan shall be made from steel with a corrosion-resistant finish and shall be dynamically
balanced.
3. Bryant rooftop evaporator fan motors smaller than
5 hp are specifically designed for Bryant and are
rated in maximum continuous Bhp or maximum continuous watts. The motors do not have a horsepower
rating on the nameplate.
4. Condenser fan shall be of the direct-driven (with
totally enclosed motors) propeller type and shall discharge air vertically.
5. Condenser fan shall have aluminum blades riveted
to corrosion-resistant steel spiders and shall be
dynamically balanced.
6. Induced-draft blower shall be of the direct-driven, single inlet, forward-curved centrifugal type, made from
steel with a corrosion-resistant finish and shall be
dynamically balanced.
D. Compressor(s):
1. Fully hermetic type, internally protected scroll-type.
2. Factory mounted on rubber grommets and internally
spring mounted for vibration isolation.
3. On dual electrically and mechanically independent
circuits (090-150).
E. Coils:
1. Standard evaporator and condenser coils shall have
aluminum lanced plate fins mechanically bonded to
seamless internally grooved 3/8-in. OD copper tubes
with all joints brazed.

PACKAGED ROOFTOP ELECTRIC COOLING UNIT WITH
GAS HEAT — CONSTANT VOLUME APPLICATION
HVAC GUIDE SPECIFICATIONS
SIZE RANGE: 3 TO 121/2 TONS, NOMINAL (COOLING)
60,000 TO 250,000 BTUH, NOMINAL (INPUT HEATING)
BRYANT MODEL NUMBERS: 580F, 581B

581B036-121 UNITS ARE
ENERGY STAR QUALIFIED

PART 1 — GENERAL
1.01 SYSTEM DESCRIPTION
Outdoor rooftop mounted, electrically controlled heating
and cooling unit utilizing a hermetic compressor(s) for
cooling duty and gas combustion for heating duty. Unit
shall discharge supply air vertically or horizontally as
shown on contract drawings.
1.02 QUALITY ASSURANCE
A. Unit well exceeds ASHRAE 90.1-2001 Energy Standards.
Units 581B036-120 are Energy Star qualified.
B. Unit shall be rated in accordance with ARI Standards 210
or 360. Designed in accordance with UL Standard 1995.
C. Unit shall be designed to conform to ASHRAE 15, latest
revision.
D. Unit shall be UL-tested and certified in accordance with
ANSI Z21.47 Standards and UL-listed and certified
under Canadian standards as a total package for safety
requirements.
E. Roof curb shall be designed to conform to NRCA
Standards.
F. Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke generation.
G. Unit casing shall be capable of withstanding 500-hour salt
spray exposure per ASTM B117 (scribed specimen).
H. Unit shall be designed in accordance with ISO
9001:2000, and shall be manufactured in a facility registered to ISO 9001:2000.
I. Each unit shall be subjected to a completely automated
run testing on the assembly line. A factory-supplied printout indicating tested pressures, amperages, data, and
inspectors; providing certification of the unit status at the
time of manufacture, shall be available upon request.
1.03 DELIVERY, STORAGE, AND HANDLING
Unit shall be stored and handled per manufacturer’s
recommendations.
PART 2 — PRODUCTS
2.01 EQUIPMENT (STANDARD)
A. General:
Factory assembled, single-piece heating and cooling unit.
Contained within the unit enclosure shall be all factory
wiring, piping, controls, refrigerant charge (R-22), and
special features required prior to field start-up.
B. Unit Cabinet:
1. Unit cabinet shall be constructed of galvanized steel,
and shall be bonderized and coated with a prepainted baked enamel finish on all externally
exposed surfaces. The color of this pre-painted steel
is referred to as “American Sterling,” a gray color.
Bryant’s paint specification for this color is PH184.

143

581B036-150

GUIDE SPECIFICATIONS — 580F036-151 AND 581B036-150 (cont)
2. Dual compressor models (size 090-150) shall have
face-split type evaporator coil (circuit no. 1 on
bottom).
3. Testing:
a. Evaporator and condenser coils shall be qualified
to UL 1995 burst test at 2,200 psi.
b. Evaporator and condenser coils shall be leak
tested to 150 psig and pressure tested to
400 psig.
4. Optional Coils:
a. Optional pre-coated aluminum-fin coils shall have
a durable epoxy-phenolic coating to provide protection in mildly corrosive coastal environments.
Coating shall be applied to the aluminum fin stock
prior to the fin stamping process to create an inert
barrier between the aluminum fin and copper
tube. Epoxy-phenolic barrier shall minimize galvanic action between dissimilar metals.
b. Copper-fin coils shall be constructed of copper
fins mechanically bonded to copper tubes and
copper tube sheets. Galvanized steel tube sheets
shall not be acceptable. A polymer strip shall prevent coil assembly from contacting the sheet
metal coil pan to minimize potential for galvanic
corrosion between coil and pan. All copper construction shall provide protection in moderate
coastal environments.
c. E-Coated aluminum-fin coils shall have a flexible
epoxy polymer coating uniformly applied to all coil
surface areas without material bridging between
fins. Coating process shall ensure complete coil
encapsulation. Color shall be high gloss black
with gloss — 60 deg of 65 to 90% per ASTM
D523-89. Uniform dry film thickness from 0.8 to
1.2 mil on all surface areas including fin edges.
Superior hardness characteristics of 2H per
ASTM D3363-92A and cross-hatch adhesion of
4B-5B per ASTM D3359-93. Impact resistance
shall be up to 160 in.-lb (ASTM D2794-93).
Humidity and water immersion resistance shall be
up to minimum 1000 and 250 hours respectively
(ASTM D2247-92 and ASTM D870-92). Corrosion durability shall be confirmed through testing
to be no less than 1000 hours salt spray per
ASTM B117-90. Coil construction shall be aluminum fins mechanically bonded to copper tubes.
d. E-Coated copper-fin coils shall have a flexible
epoxy polymer coating uniformly applied to all coil
surface areas without material bridging between
fins. Coating process shall ensure complete coil
encapsulation. Color shall be high gloss black
with gloss — 60 deg of 65 to 90% per ASTM
D523-89. Uniform dry film thickness from 0.8 to
1.2 mil on all surface areas including fin edges.
Superior hardness characteristics of 2H per
ASTM D3363-92A and cross-hatch adhesion of
4B-5B per ASTM D3359-93. Impact resistance
shall be up to 160 in.-lb (ASTM D2794-93).
Humidity and water immersion resistance shall be
up to minimum 1000 and 250 hours respectively
(ASTM D2247-92 and ASTM D870-92). Corrosion durability shall be confirmed through testing
to be no less than 1000 hours salt spray per
ASTM B117-90. Coil construction shall be copper
fins mechanically bonded to copper tubes with
copper tube sheets. Galvanized steel tube sheets
shall not be acceptable. A polymer strip shall prevent coil assembly from contacting sheet metal

F.

G.

H.

I.

144

coil pan to maintain coating integrity and minimize
corrosion potential between coil and pan.
Heating Section:
1. Induced-draft combustion type with energy saving
direct-spark ignition system and redundant main gas
valve.
2. Heat Exchanger:
a. The standard heat exchanger shall be of the
tubular-section type constructed of a minimum of
20-gage steel coated with a nominal 1.2 mil
aluminum-silicone alloy for corrosion resistance.
b. The optional stainless steel heat exchanger shall
be of the tubular-section type, constructed of a
minimum of 20-gage type 409 stainless steel.
3. Burners shall be of the in-shot type constructed of
aluminum-coated steel.
4. All gas piping shall enter the unit cabinet at a single
location on side of unit (horizontal plane).
5. The integrated gas controller (IGC) board shall
include gas heat operation fault notification using an
LED (light-emitting diode).
6. Unit shall be equipped with anti-cycle protection with
one short cycle on unit flame rollout switch or 4 continuous short cycles on the high-temperature limit
switch. Fault indication shall be made using an LED.
7. The IGC board shall contain algorithms that modify
evaporator-fan operation to prevent future cycling on
high-temperature limit switch.
8. The LED shall be visible without removal of control
box access panel.
Refrigerant Components:
Refrigerant circuit components shall include:
1. Fixed orifice metering system.
2. Refrigerant filter drier.
3. Service gage connections on suction, discharge, and
liquid lines.
Filter Section:
1. Standard filter section shall consist of factoryinstalled, low velocity, throwaway 2-in. thick fiberglass filters of commercially available sizes.
2. Filter face velocity shall not exceed 320 fpm at nominal airflows.
3. Filter section should use only one size filter.
4. Filters shall be accessible through an access panel
with “no-tool” removal.
Controls and Safeties:
1. Unit Controls:
Unit shall be complete with self-contained low-voltage control circuit protected by a fuse on the 24-v
transformer side (090-150 units have a resettable
circuit breaker).
2. Safeties:
a. Unit shall incorporate a solid-state compressor
protector which provides anti-cycle reset capability at the space thermostat, should any of the following standard safety devices trip and shut off
compressor.
1) Compressor overtemperature, overcurrent.
2) Loss-of-charge/low-pressure switch.
3) Freeze-protection thermostat, evaporator coil.
4) High-pressure switch.
5) Automatic reset motor thermal overload
protector.

GUIDE SPECIFICATIONS — 580F036-151 AND 581B036-150 (cont)

J.

K.

L.

M.

*

f. EconoMi$er IV and EconoMi$er2 shall be
equipped with a barometric relief damper capable
of relieving up to 100% return air.
g. Designed to close damper(s) during loss-ofpower situations with spring return built into
motor.
h. Dry bulb outdoor-air temperature sensor shall be
provided as standard. Outdoor air sensor set
point is adjustable and shall range from 40 to
100 F. For the EconoMi$er IV, the return air sensor, indoor enthalpy sensor, and outdoor enthalpy
sensor shall be provided as field-installed accessories to provide enthalpy control, differential
enthalpy control, and differential dry bulb temperature control. For the EconoMi$er2, the enthalpy,
differential temperature (adjustable), and differential enthalpy control shall be provided as fieldinstalled accessories.
i. EconoMi$er IV controller shall use a mixed air
thermistor mounted on the evaporator fan housing to control EconoMi$er IV operation to a supply air temperature of 55 F.
j. The EconoMi$er IV and EconoMi$er2 shall have
a gear-driven parallel blade design.
k. EconoMi$er IV controller shall provide control of
internal building pressure through its accessory
power exhaust function. Factory set at 100%, with
a range of 0% to 100%.
l. EconoMi$er2 shall be capable of control from a
4 to 20 mA signal through optional 4 to 20 mA
design without microprocessor control (required
for PremierLink™ or third party control interface).
m. EconoMi$er IV controller Occupied Minimum
Damper Position Setting maintains the minimum
airflow into the building during occupied period
providing design ventilation rate for full occupancy (damper position during heating). A remote
potentiometer may be used to override the set
point.
n. EconoMi$er IV controller Unoccupied Minimum
Damper Position Setting — The EconoMi$er IV
dampers shall be closed when the unit is in the
occupied mode.
o. EconoMi$er IV controller IAQ/DCV Maximum
Damper Position Setting — Setting the maximum
position of the damper prevents the introduction
of large amounts of hot or cold air into the space.
This position is intended to satisfy the base minimum ventilation rate.
p. EconoMi$er IV controller IAQ/DCV control modulates the outdoor-air damper to provide ventilation
based on the optional 2 to 10 vdc CO2 sensor
input.
q. Compressor lockout sensor (opens at 35 F,
closes at 50 F).
r. Actuator shall be direct coupled to economizer
gear, eliminating linkage arms and rods.
s. Control LEDs:
1) When the outdoor air damper is capable of
providing free cooling, the “Free Cool” LED
shall illuminate.
2) The IAQ LED indicates when the module is on
the DCV mode.
3) The EXH LED indicates when the exhaust fan
contact is closed.

The lockout protection shall be easily disconnected at the control board, if necessary.
b. Heating section shall be provided with the following minimum protections:
1) High-temperature limit switches.
2) Induced draft motor speed sensor.
3) Flame rollout switch.
4) Flame proving controls.
Operating Characteristics:
1. Unit shall be capable of starting and running at 125 F
ambient outdoor temperature, meeting maximum
load criteria of ARI Standard 210/240 or 360 at
+ 10% voltage.
2. Compressor with standard controls shall be
capable of operation down to 25 F ambient outdoor
temperature.
Electrical Requirements:
All unit power wiring shall enter unit cabinet at a single
factory-predrilled location.
Motors:
1. Compressor motors shall be cooled by refrigerant
gas passing through motor windings and shall have
line break thermal and current overload protection.
2. Evaporator-fan motor shall have permanently lubricated bearings and inherent automatic-reset thermal
overload protection. Evaporator motors are designed
specifically for Bryant and do not have conventional
horsepower (HP) ratings listed on the motor nameplate. Motors are designed and qualified in the “airover” location downstream of the cooling coil and
carry a maximum continuous bhp rating that is the
maximum application bhp rating for the motor; no
“safety factors” above that rating may be applied.
3. Totally enclosed condenser-fan motor shall have
permanently lubricated bearings, and inherent automatic-reset thermal overload protection.
4. Induced-draft motor shall have permanently lubricated sealed bearings and inherent automatic-reset
thermal overload protection.
Special Features:
Certain features are not applicable when the features
designated * are specified. For assistance in amending
the specifications, contact your local Bryant Sales Office.
1. Roof Curbs (Horizontal and Vertical):
a. Formed galvanized steel with wood nailer strip
and shall be capable of supporting entire unit
weight.
b. Permits installation and securing of ductwork to
curb prior to mounting unit on the curb.
2. Integrated Economizers:
a. Integrated integral modulating type capable of
simultaneous economizer and compressor operation. During economizer operation, up to two
compressors on sizes 090-150 will operate.
b. Available as a factory-installed option in vertical
supply/return configuration only. (Available as a
field-installed accessory for dedicated horizontal
and/or vertical supply return configurations.)
c. Includes all hardware and controls to provide
cooling with outdoor air.
d. Equipped with low-leakage dampers, not
to exceed 2% leakage at 1 in. wg pressure
differential.
e. Capable of introducing up to 100% outdoor air.

145

GUIDE SPECIFICATIONS — 580F036-151 AND 581B036-150 (cont)

3.

4.

581B036-150

*

*

*

5.

6.

7.

*

8.

9.

*

10.

*

11.

*

12.

13.

t. Remote Minimum Position Control — A fieldinstalled accessory remote potentiometer allows
the outdoor air damper to be opened or closed
beyond the minimum position in the occupied
mode for modified ventilation.
Manual Outdoor-Air Damper:
Manual damper package shall consist of damper,
birdscreen, and rainhood which can be preset to
admit up to 50% outdoor air for year round
ventilation.
100% Two-Position Damper:
a. Two-position damper package shall include single
blade damper and motor. Admits up to 100% outdoor air.
b. Damper shall close upon indoor (evaporator) fan
shutoff.
c. Designed to close damper during loss of power
situations.
d. Equipped with 15% barometric relief damper.
25% Two-Position Damper:
a. Two-position damper package shall include single
blade damper and motor. Admits up to 25% outdoor air.
b. Damper shall close upon indoor (evaporator) fan
shutoff.
Head Pressure Control Package:
Consists of solid-state control and condenser-coil
temperature sensor to maintain condensing temperature between 90 F and 110 F at outdoor ambient
temperatures down to –20 F by condenser-fan
speed modulation or condenser-fan cycling and wind
baffles.
Propane Conversion Kit:
Package shall contain all the necessary hardware
and instructions to convert a standard natural gas
unit for use with liquefied propane (valid up to 2000 ft
elevation).
Electronic Programmable Thermostat:
Units shall be capable of using deluxe full-featured
electronic thermostat. Thermostat shall use built-in
compressor cycle delay control for both heating and
cooling duty. Thermostat shall be capable of working
with third party direct digital controls.
Light Commercial Thermidistat™ Device:
Field-installed wall-mounted thermostat is used to
control temperature and activation of the dehumidification package. The Thermidistat device can be set
for humidity settings from 50% to 90% relative
humidity. Automatic humidity control adjusts indoor
humidity based on the outdoor temperature sensor.
Flue Shield:
Flue shield shall provide protection from the hot
sides of the gas flue hood.
Thermostat and Subbase:
Thermostat and subbase shall provide staged cooling and heating automatic (or manual) changeover,
fan control, and indicator light.
Condenser Coil Hail Guard Assembly:
Hail guard shall protect against damage from hail
and flying debris.
Unit-Mounted, Non-Fused Disconnect Switch:
Switch shall be factory-installed, internally mounted.
NEC and UL approved non-fused switch shall

14.

15.

16.

17.

18.

19.

20.

21.

22.

146

provide unit power shutoff. Switch shall be accessible from outside the unit and shall provide power off
lockout capability.
Convenience Outlet:
Outlet shall be factory-installed and internally
mounted with easily accessible 115-v female receptacle. Shall include 15 amp GFI receptacle with independent fuse protection. Voltage required to operate
convenience outlet shall be provided by a
factory-installed step-down transformer powered
from the LOAD (RTU) side of the unit power supply.
Shall be accessible from outside the unit.
High-Static Indoor Fan Motor(s) and Drive(s)
(036-120):
High-static motor(s) and drive(s) shall be factoryinstalled to provide additional performance range.
Flue Discharge Deflector:
Flue discharge deflector directs unit exhaust vertically instead of horizontally.
Condenser Coil Grille:
The grille protects the condenser coil from damage
by large objects without increasing unit clearances.
Compressor Cycle Delay:
Unit shall be prevented from restarting for minimum
of 5 minutes after shutdown.
Thru-the-Bottom Utility Connectors:
Kit shall provide connectors to permit gas and electrical connections to be brought to the unit through
the basepan.
Fan/Filter Status Switch:
Switch shall provide status of indoor (evaporator) fan
(ON/OFF) or filter (CLEAN/DIRTY). Status shall be
displayed over communication bus when used with
direct digital controls or with an indicator light at the
thermostat.
Power Exhaust Accessory for EconoMi$er IV or
EconoMi$er2:
Power exhaust shall be used in conjunction with
EconoMi$er IV or EconoMi$er2 to provide system
exhaust of up to 100% of return air (vertical only).
The power exhaust is a field-installed accessory
(separate vertical and horizontal design).
NOTE: Horizontal power exhaust is intended to
mount in return ductwork.
As the outdoor-air damper opens and closes, both
propeller fans are energized and deenergized
through the EconoMi$er IV controller. The set point
is factory set at 100% of outdoor-air, and is adjustable 0 to 100% to meet specific job requirements.
Available in 208/230-1-60 v or 460-3-60 v. An LED
light on the controller indicates when the power
exhaust is operating.
For the EconoMi$er2, the power exhaust shall be
controlled by the third party controls.
Outdoor Air Enthalpy Sensor (EconoMi$er IV or
EconoMi$er2):
The outdoor air enthalpy sensor shall be used with
the EconoMi$er IV or EconoMi$er2 device to provide
single enthalpy control. When used in conjunction
with a return air enthalpy sensor, the EconoMi$er IV
or EconoMi$er2 device will provide differential
enthalpy control. The sensor allows the EconoMi$er
IV or EconoMi$er2 controller to determine if outside
air is suitable for free cooling.

GUIDE SPECIFICATIONS — 580F036-151 AND 581B036-150 (cont)
both temperature and humidity in the space
are not satisfied.
2) Hot gas reheat mode shall mix a portion of the
hot gas from the discharge of the compressor
with the hot liquid refrigerant leaving the condenser coil to create a two-phase heat transfer
in the system, resulting in a neutral leaving-air
temperature when only humidity in the space is
not satisfied.
b. The system shall consist of a subcooling/reheat
dehumidification coil located downstream of the
standard evaporator coil. This dehumidification
coil is a two-row coil with the exception of the 036
unit, which has a one-row coil.
c. The system shall include crankcase heater(s) for
the scroll compressor(s).
d. The system shall include a low outdoor air temperature switch to lock out both subcooling and
hot gas reheat mode when the outdoor-air temperature is below 40 F.
e. The system shall include a Motormaster® low
ambient control to ensure the normal design cooling mode capable of down to 0° F low ambient
operation.
f. The system shall include a low-pressure switch
on the suction line to ensure low pressure start-up
of hot gas reheat mode at lower outdoor temperature condition.
g. The system operation may be controlled by a
field-installed, wall-mounted humidistat. The
dehumidification circuit will then operate only
when needed. Field connections for the humidistat are made in the low-voltage compartment of
the unit control box. The sensor can be set for
any level between 55% and 80% relative humidity.
h. The system shall include a thermostatic expansion valve (TXV) to ensure a positive superheat
condition and a balance of pressure drop.
i. For units with two compressors (sizes 090-150),
depending on the conditions required to maintain
the space set points, one or both compressors
can operate in subcooling mode, one compressor
could operate in subcooling mode while the other
operates in hot gas reheat mode, or one or both
compressors can operate in hot gas reheat mode.
31. Humidistat:
Field-installed, wall-mounted humidistat is used to
control activation of the dehumidification package.
The humidistat can be set for humidity levels
between 20% and 80% relative humidity.
32. Hinged Panel Option:
Hinged panel option provides hinged access panels
for the filter, compressor, evaporator fan, and control
box areas. Filter hinged panels permit tool-less entry
for changing filters. Each hinged panel is permanently attached to the rooftop unit.
33. Louvered Hail Guard:
The hail guard shall protect the entire outdoor coil
surface from direct or indirect (from adjacent surfaces) hail damage. Hail guard shall have a pressure
drop of 2%.

23. Return Air Enthalpy Sensor (EconoMi$er IV or
EconoMi$er2):
The return air enthalpy sensor shall be used with the
EconoMi$er IV or EconoMi$er2 device. When used
in conjunction with an outdoor air enthalpy sensor,
the EconoMi$er IV or EconoMi$er2 device will provide differential enthalpy control.
24. Return Air Temperature Sensor (EconoMi$er IV or
EconoMi$er2):
The return air temperature sensor shall be used with
the EconoMi$er IV or EconoMi$er2 device. When
used in conjunction with the standard outdoor air temperature sensor, the EconoMi$er IV or EconoMi$er2
device will provide differential temperature control.
25. Indoor Air Quality (CO2) Sensor (EconoMi$er2):
a. Shall have the ability to provide demand ventilation indoor air quality (IAQ) control through the
EconoMi$er2 with an IAQ sensor.
b. The IAQ sensor shall be available in duct mount,
wall mount, and wall mount with LED display. The
set point shall have adjustment capability.
c. Requires EconoMi$er2 control option.
26. Indoor Air Quality (CO2) Room Sensor (EconoMi$er
IV):
Sensor shall have the ability to provide demand ventilation control through the EconoMi$er IV. The IAQ
sensor shall be wall mounted with an LED display in
parts per million. The set point shall have adjustment
capability.
27. Return Air CO2 Sensor (EconoMi$er IV):
Sensor shall have the ability to provide demand ventilation control through the EconoMi$er IV. The IAQ
sensor shall be duct mounted. The set point shall
have adjustment capability.
28. Gas Heat options (sizes 004-006):
a. Single-stage gas heat shall be provided in lieu of
two-stage heat.
b. NOx reduction shall be provided to reduce nitrous
oxide emissions to meet the California Air Quality
Management NOx requirement of 40 nanograms/
joule or less.
c. Primary tubes on low NOx units shall be 409
stainless steel. Other components shall be aluminized steel.
29. Ultraviolet Germicidal Lamps:
Ultraviolet germicidal lamps are designed to eliminate odor causing mold and fungus that may
develop in the wet area of the evaporator section of
the unit. The high output, low temperature germicidal
lamps are field installed in the evaporator section of
the unit, aimed at the evaporator coil and condensate pan. The short wavelength ultraviolet light inhibits and kills mold, fungus and microbial growth. The
lamps have an output rating at 45F in 400 fpm airflow of 120 microwatts/cm2 at 1 meter.
30. Perfect Humidity™ Adaptive Dehumidification System (581B only):
a. The Perfect Humidity dehumidification system
shall be factory-installed in the rooftop units, and
shall provide greater dehumidification of the
occupied space by two modes of dehumidification
operations beside its normal design cooling
mode:
1) Subcooling mode further subcools the hot liquid refrigerant leaving the condenser coil when

147

581C024-060

PHYSICAL DATA — 581C
UNIT SIZE 581C
NOMINAL CAPACITY (tons)
OPERATING WEIGHT(lb)
Base Unit**
COMPRESSOR
Quantity
Oil (oz)
REFRIGERANT TYPE
Expansion Device Operating Charge (lb-oz)
Standard Unit
Unit With Perfect Humidity Adaptive Dehumidification System
CONDENSER FAN
Quantity...Diameter (in.)
Nominal Cfm
Motor Hp...Rpm
Watts Input (Total)
CONDENSER COIL
Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR COIL
Standard Unit
Rows...Fins/in.
Total Face Area (sq ft)
Perfect Humidity Coil Adaptive Dehumidification System
Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR FAN
Quantity...Size (in.)
Nominal Cfm
Maximum Continuous Bhp
Std
Hi-Static
Motor Frame Size
Motor Rpm
Fan Rpm Range
Motor Bearing Type
Maximum Fan Rpm
Motor Pulley Pitch Diameter A/B (in.)
Nominal Motor Shaft Diameter (in.)
Fan Pulley Pitch Diameter (in.)
Belt — Type...Length (in.)
Pulley Center Line Distance (in.)
Speed Change per Full Turn of Movable Pulley Flange
(rpm)
Movable Pulley Maximum Full Turns from Closed
Position
Factory Setting — Full Turns Open
Factory Speed Setting(rpm)
Fan Shaft Diameter at Pulley (in.)

024
2

036
3

530

540

1
25

5---3
10---2
1...22
3000
1/8...825
180
1...17
14.6

2...15
5.5

1...17
3.5

1...17
3.9

Std
Hi-Static

48

Std
Hi-Static
Std
Hi-Static

1620

Std
Hi-Static
Std
Hi-Static
Std
Hi-Static
Std
Hi-Static

400-1000
Ball
1620
2.4/3.2
5/8

7/8
4.0
4.5
1...A...36
1...A...39
10.0 -12.4

060
5

560
635
Scroll
1
1
1
42
56
53
R-22
Acutrol™ MeteringDevice
7---11
12---11
8---8
14---0
14---13
21---0
Propeller
1...22
1...22
1...22
3500
4100
3500
1/8...825
1/8...825
1/4...1100
180
320
180
Enhanced Copper Tubes, Aluminum LancedFins
1...17
2...17
2...17
14.6
16.5
16.5
Enhanced Copper Tubes, Aluminum Double-Wavy Fins

2...15
4.2

1...10 x 10
800
0.58
2.40

048
4

2...15
5.5

2...17
3.9
Centrifugal Type, Belt Drive
1...10 x 10
1...10 x 10
1200
1600
1.20
1.20
2.40
2.40

4...15
5.5
2...17
3.9
1...10 x 10
2000
1.30/2.40*
2.90

48

48

48/56†

56
1620
1725
680-1044
1075-1455
Ball
2100
1.9/2.9
2.8/3.8
1/2
5/8
4.5
4.5
1...A...36
1...A...39
10.0-12.4

56
1620
1725
770-1185
1075-1455
Ball
2100
1.9/2.0
2.8/3.8
1/2
5/8
4.0
4.0
1....4...36
1...A...39
10.0-12.4

56
1725
1725
1035-1460
1300-1685
Ball
2100
2.4/3.4
3.4/4.4
5/8
5/8
4.0
4.5
1...A...40
1...A...40
14.7-15.5

Std
Hi-Static

60

65
65

70
65

75
60

Std
Hi-Static
Std
Hi-Static
Std
Hi-Static

5

5
6
3
31/2
826
1233
5/8

5
6
3
31/2
936
1233
5/8

6
5
3
31/2
1248
1396
5/8

3
756
5/8

LEGEND
Bhp — Brake Horsepower
*Single/three phase.
**Base unit weight does not include any options or accessories. See Options and
Accessory weight tables for additional weight information.
†Indicates automatic reset.

148

PHYSICAL DATA — 581C
UNIT SIZE 581C
FURNACE SECTION
Rollout Switch Cutout Temp(F)†
Burner Orifice Diameter (in....drill size)**
Natural Gas—Std*

Liquid Propane—Alt††

071/072
114/115
149/150
060N
090N
120N

071/072
114/115
149/150

024

036

048

060

195

195

195

195

.113...33
.113...33
—
.113...33
.113...33
—
.102...38
.102...38
—
.089...43
.089...43
—
.089...43
.089...43
—

.113...33
.113...33
.129...30
.113...33
.113...33
.129...30
.102...38
.102...38
.116...32
.089...43
.089...43
.104...37
.089...43
.089...43
.102...37

.113...33
.113...33
.129...30
.113...33
.113...33
.129...30
.102...38
.102...38
.116...32
.089...43
.089...43
.104...37
.089...43
.089...43
.104...37

0.14
0.14

0.14
0.14

0.14
0.14

0.14
0.14

50,000/—

—
—
—
—
—
—

|| 50,000/72,000
|| 82,000/115,000
—
*** —/72,000
*** —/115,000
—
††† —/60,000
††† —/90,000
—
82.8
80
—
82
80
—
80.2
81
—
25-55
55-85
—
25-55
55-85
—
20-50
30-60
—

|| 50,000/72,000
|| 82,000/115,000
|| 120,000/150,000
*** —/72,000
*** —/115,000
*** —/150,000
††† —/60,000
††† —/90,000
††† —/120,000
82.8
81
80.4
82
81
80
80.2
81
80.7
25-25
35-65
50-80
25-55
35-65
50-80
20-50
30-60
40-70

|| 50,000/72,000
|| 82,000/115,000
|| 120,000/150,000
*** —/72,000
*** —/115,000
*** —/150,000
††† —/60,000
††† —/90,000
††† —/120,000
82.8
81
80.4
82
81
80
80.2
81
80.7
25-55
35-65
50-80
25-55
35-65
50-80
20-50
30-60
40-70

3.5
3.5
1

3.5
3.5
1

3.5
3.5
1

3.5
3.5
1

0.180-0.70
5.0-13.0
1/2

0.180-0.70
5.0-13.0
1/2

0.180-0.70
5.0-13.0
1/2

0.180-0.70
5.0-13.0
1/2

.089...43
—
—
—
.089...43
—
—
.073...49
—
—
—
—
—
—
—

Thermostat Heat Anticipator Setting (amps)
208/230/460/575v
First Stage
Second Stage
Gas Input (Btuh)
First Stage/Second Stage

Efficiency (Steady State ) (%)

Temperature Rise Range

Manifold Pressure (in.wg)
Natural Gas—Std
Liquid Propane—Alt††
Gas Valve Quanity
Gas Valve Pressure Range (Min-Max Allowable)
psig
in wg
Field Gas Connection Size (in. FPT)
HIGH-PRESSURE SWITCH (psig)
Standard CompressorInternal Relief
Cutout
Reset (Auto.)
LOSS-OF-CHARGE SWITCH (LiquidLIne) (psig)
Cutout
Reset(Auto.)
FREEZE PROTECTION THERMOSTAT
Opens(F)
Closes(F)
OUTDOOR-AIR INLET SCREENS
RETURN-AIRFILTERS
Quantity...Size (in.)

072
115
150
17111
17211
14911
060N***
0960N***
120N***
072
115
150
071
114
149
060N
090N
120N
072
115
150
071
114
149
060N
090N
120N

—
—
—
—
—
—
81
—
—
—
—
81
—
25-65

450±50
428
320
7±3
22±5
30±5
45±5
Cleanable Screen quantity and size varies with option selected.
Throw away
2...16x25x2

LEGEND
Bhp — Brake Horsepower
*Single phase/three phase. Stainless steel models use the same orifices as equivalent standard heat exchangers.
†Indicates automatic reset.
**60,000 and <72,000 Btuh heat input units have 2 burners. 90,000 and 120,000
Btuh heat input units have 3 burners. 115,000 Btuh heat input units and 150,000
Btuh Heat input units have 3 burners.
†† An LP kit is available as an accessory. If an LP kit is used with Low NOx units, the
Low NOx baffle must be removed and the units will no longer be classified as Low
NOx units.

149

IIThree-phase standard models have heating inputs as shown. Single-phase
standard models have one-stage heating with heating input values as follows:
048-060, 036 — 72,000 Btuh
048-060, 036 — 115,000 Btuh
048-060 — 150,000 Btuh (shown in heating capacity tables)
***California compliant three-phase models.
†††California SCAQMD compliant low NOx models have combustion products
that are controlled to 40 nanograms per joule or less.
NOTE: Capacities for stainless steel heat exchanger units (S/R/T) are the
same as standard units (D/E/F).

581C024-060

BASE UNIT DIMENSIONS — 581C024-060

150

PERFORMANCE DATA — 581C
COOLING CAPACITIES — 581C024-060 STANDARD UNITS
581C024 (2 Tons)
Temp (F)
Air Ent
Condenser
(Edb)
57
TCG 22.6
75
SHG 21.7
CMP 1.18
TCG 21.3
85
SHG 20.5
CMP 1.36
TCG 19.9
95
SHG 19.1
CMP 1.56
TCG 18.4
105 SHG 17.7
CMP 1.78
TCG 16.6
115 SHG
16
CMP 2.01
TCG
15
125 SHG 14.5
CMP 2.27
581C036 (3 Tons)
Temp (F)
Air Ent
Condenser
(Edb)
57
TCG
32
75
SHG
32
CMP 1.94
TCG 30.9
85
SHG 30.9
CMP 2.19
TCG 29.5
95
SHG 29.5
CMP 2.47
TCG
28
105 SHG
28
CMP 2.78
TCG 26.3
115 SHG 26.3
CMP 3.1
TCG 24.4
125 SHG 24.4
CMP 3.45

BF
Edb
Ewb
COMP
SHG
TCG

—
—
—
—
—
—

600/0.12
62
24.3
19.5
1.19
23
19
1.37
21
18.2
1.57
18.8
17.3
1.78
16.5
15.9
2.01
15
14.5
2.27

67
26.7
16.4
1.2
25.7
16
1.38
24.7
15.7
1.59
23.2
15.1
1.81
20.5
14.1
2.05
17.7
13.2
2.3

900/0.10
62
34.5
28.9
1.96
33.2
28.3
2.21
31.4
27.3
2.49
29.5
26.4
2.79
27.1
25.3
3.11
24.7
24.1
3.46

67
38.9
25
1.98
37.5
24.5
2.24
35.4
23.6
2.52
33
22.6
2.83
30.7
21.7
3.16
28.1
20.7
3.51

Air Entering Evaporator -- CFM/BF
800/0.14
Air Entering Evaporator -- Ewb (F)
72
57
62
67
72
57
29
25
25.7 28.1 30.2 26.6
13
24
22.9 18.6 14.1 25.6
1.21 1.19 1.19
1.2
1.21 1.19
28
24.2 24.7 27.2 29.6 25.9
12.7 23.3 22.4 18.4 14.1 24.9
1.39 1.38 1.38 1.39
1.4
1.38
27.2 23.1 23.3
26
28.6
25
12.4 22.2 21.9 18.1 13.9
24
1.6
1.58 1.58 1.59 1.61 1.59
26
21.3 21.3 24.8 27.4 23.9
12
20.5 20.5 17.7 13.5
23
1.82
1.8
1.8
1.82 1.83 1.81
24.7 19.7 19.7 22.4
26
22
11.6
19
19
16.9 13.1 21.1
2.08 2.05 2.05 2.06 2.08 2.06
22.2 17.7 17.7 19.6 24.4 19.7
10.8
17
17
16
12.7
19
2.34
2.3
2.3
2.32 2.35 2.32
Air Entering Evaporator -- CFM/BF
1200/0.13
Air Entering Evaporator -- Ewb (F)
72
57
62
67
72
57
42.8 35.1 37.1 40.9 44.9 38.1
20.4 35.1 33.6 28.3 22.3 38.1
2
1.96 1.97 1.99 2.01 1.98
41.4 33.8 34.9 39.4 43.3 36.9
19.8 33.8 32.5 27.8 21.8 36.9
2.26 2.22 2.23 2.25 2.27 2.24
39.7 31.8 32.3 37.7 41.5 35.1
19.2 31.8 31.2 27.2 21.2
35
2.54 2.5
2.51 2.54 2.56 2.53
38
29.5 29.5 34.7 39.7 32.3
18.6 29.4 29.4
26
20.7 32.3
2.86 2.81 2.81 2.85 2.87 2.84
35.2 27.6 27.6 31.1 37.6 29.6
17.7 27.6 27.6 24.5
20
29.6
3.2 3.15 3.15 3.18 3.22 3.17
32.1 25.5 25.5 27.5 33.7
27
16.6 25.5 25.4 22.9 18.8
27
3.56 3.51 3.51 3.53 3.59 3.53

LEGEND
Bypass Factor
Entering Dry Bulb
Entering Wet Bulb
Compressor Power kw
Gross Sensible Capacity (1000 Btuh)
Compressor Cooling Capicity (1000 Btuh)

1000/0.18
62
26.8
25.4
1.2
25.9
24.9
1.38
24.9
24
1.59
23.9
23
1.81
22
21.1
2.06
19.8
19
2.32

67
29
20.6
1.21
27.9
20.3
1.39
26.9
20.2
1.6
25.6
19.9
1.82
24.1
19.5
2.07
20.5
18.3
2.33

72
30.9
15.1
1.22
30.2
15.1
1.4
29.3
15.1
1.61
28.2
14.8
1.84
26.7
14.5
2.09
25.2
14.1
2.36

1500/0.16
62
38.5
37.4
1.98
37
36.7
2.24
35.2
35.2
2.53
32.2
32.2
2.84
29.5
29.5
3.17
27
27
3.53

67
42.2
31.2
2
40.5
30.7
2.26
38.8
30
2.54
36.8
29.5
2.86
32.9
27.8
3.2
28.5
26
3.55

72
45.9
23.9
2.02
44.3
23.3
2.28
42.5
22.8
2.56
40.8
22.5
2.88
38.5
21.9
3.23
35.8
21.2
3.6

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb = Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)
hlwb = hewb –

total capacity (Btuh)
4.5 x cfm

Where: hewb = Enthalpy of air entering evaporator coil.
3. The SHC is based on 80 F edb temperature of air entering evapora
tor coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.
Correction Factor = 1.10 x (1 – BF) x (edb – 80)

151

PERFORMANCE DATA — 581C

581C024-060

COOLING CAPACITIES — 581C024-060 STANDARD UNITS (cont)
581C048 (4 Tons)
Temp (F)
Air Entering Evaporator -- CFM/BF
Air Ent
1200/0.05
1600/0.07
2000/0.09
Condenser
Air Entering Evaporator -- Ewb (F)
(Edb)
62
67
72
62
67
72
62
67
72
TCG 46.3 51.1 55.7 48.8 53.5
58
50.7 54.9 59.1
75
SHG 39.9 33.8 27.1 46.3 38.6 29.8 50.6 42.7
32
CMP 2.36 2.37 2.38 2.37 2.38 2.39 2.37 2.38 2.39
TCG 42.9
49
54
46.2 51.5 56.4 49.2 52.8 57.4
85
SHG 38.5
33
26.6 45.2 37.9 29.4 49.1 42.2 31.7
CMP 2.69 2.71 2.72 2.71 2.72 2.74 2.72 2.72 2.74
TCG 38.7 45.8 51.9 42.6 48.8 54.2 46.8 50.4 55.5
95
SHG 36.5 31.8 25.9 42.5 37.1 28.9 46.8 41.6 31.4
CMP 3.05 3.08 3.11 3.07
3.1
3.12
3.1
3.11 3.12
TCG 34.4 41.1 49.1
39
43.8 51.5 43.3 46.3 52.8
105 SHG 34.3
30
24.9
39
35.3 28.2 43.3 40.4 30.9
CMP 3.42 3.48 3.53 3.47
3.5
3.54
3.5 3.52 3.54
TCG 31.4 36.3 44.7 35.8 38.4 47.3 39.2 40.6 49.5
115 SHG 31.4 28.1 23.5 35.8 33.3 26.9 39.2 38.1 30.1
CMP 3.85
3.9
3.96
3.9
3.92 3.98 3.93 3.94
4
TCG 28.2 31.1 39.8 31.9
33
41.6 35.3 35.4 43.9
125 SHG 28.1 26.2 21.8 31.9 31.1 25.1 35.3 35.4 28.4
CMP 4.31 4.35 4.42 4.36 4.37 4.44
4.4
4.4 4.46

581C060 (5 Tons)
Temp (F)
Outdoor
Air Ent
(Edb)
57
TCG
57
75 SHG 55.3
CMP 3.1
TCG 54.1
85 SHG 52.6
CMP 3.5
TCG 50.2
95 SHG 48.8
CMP 3.94
TCG 47.4
105 SHG
46
CMP 4.42
TCG 43.1
115 SHG 41.8
CMP 4.92
TCG
39
125 SHG 37.9
CMP 5.47

BF
Edb
Ewb
COMP
SHG
TCG

—
—
—
—
—
—

1500/0.26
62
60.2
50.5
3.11
56.9
49.1
3.52
53
47.4
3.95
47.9
45.2
4.42
43.2
42
4.92
39
37.9
5.46

67
66.5
42.4
3.12
64
41.4
3.54
61.1
40.3
3.99
56.5
38.7
4.48
50.3
36.4
4.98
43.9
34.1
5.52

72
72
33.5
3.14
70.2
33
3.56
67.5
32.2
4.02
64.3
31.1
4.51
60.8
30
5.05
55.7
28.3
5.62

57
60.3
58.6
3.11
58.3
56.6
3.52
55
53.4
3.97
50.9
49.5
4.44
47.3
45.9
4.96
42.3
41.1
5.51

Indoor Entering Air -- CFM/BF
1750/.31
2000/.35
Indoor Entering Air -- Ewb (F)
62
67
72
57
62
67
62.3 68.5 73.8 63.2 64.1 69.7
55.2 45.7 35.4 61.3 59.5 48.6
3.12 3.13 3.15 3.11 3.12 3.13
59.7 65.9
72
60.9 61.4 67.3
54.1 44.8
35
59.2 58.4
48
3.53 3.54 3.57 3.53 3.54 3.54
55.6 62.9 69.3 58.6 58.6 64.3
52.3 43.8 34.2 56.9 56.8 47.2
3.97 4.01 4.03 3.99 3.99 4.02
51
59.5 66.1 54.7 54.8 60.9
49.5 42.6 33.2 53.1 53.2 45.9
4.44
4.5
4.53 4.47 4.47 4.51
47.3 52.6 62.6 50.1 50.1 55.6
45.9 40.2 32.1 48.7 48.7 44.1
4.96
5
5.07 4.98 4.98 5.02
42.3 46.9 58.5 46.1 46.1 48.2
41
38.2 30.8 44.8 44.8 41.6
5.51 5.55 5.64 5.54 5.54 5.56

2500/.45
72
75.6
37.4
3.16
73.4
36.9
3.58
70.6
36.1
4.03
67.4
35.2
4.54
63.9
34.2
5.08
59.7
32.9
5.66

57
67.4
65.5
3.12
65.3
63.4
3.54
62.8
61
4.01
59.9
58.2
4.5
56
54.4
5.03
50.9
49.4
5.59

62
67.4
65.5
3.12
65.2
63.4
3.54
62.8
61
4.01
60
58.3
4.5
55.9
54.3
5.03
50.9
49.4
5.59

67
71.8
54.4
3.14
69.6
54.4
3.56
66.4
53.4
4.02
62.9
52.4
4.52
58.2
50.8
5.05
51.3
48.2
5.59

72
77.6
40.7
3.17
75.3
40.4
3.59
72.7
40
4.05
69
38.8
4.54
65.4
37.9
5.08
61.4
36.9
5.66

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm

LEGEND
Bypass Factor
Entering Dry Bulb
Entering Wet Bulb
Compressor Power kw
Gross Sensible Capacity (1000 Btuh)
Compressor Cooling Capicity (1000 Btuh)

tlwb = Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)
hlwb = hewb –

total capacity (Btuh)
4.5 x cfm

Where: hewb = Enthalpy of air entering evaporator coil.
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

152

PERFORMANCE DATA — 581C
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS
581C (2 Tons) - STANDARD MOTOR (BELT DRIVE)
EXTERNALSTATIC PRESSURE (in. wg)
AIRFLOW
0.1
0.2
0.4
0.6
(Cfm)
Rpm Bhp Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
600
500
0.08
531
0.08
607
0.14
713
0.21
700
529
0.09
567
0.09
633
0.16
739
0.24
800
547
0.1
592
0.12
660
0.19
761
0.27
900
570
0.13
620
0.14
691
0.22
793
0.32
1000
599
0.15
650
0.16
717
0.26
818
0.36

0.8
Rpm
788
816
845
870
894

1.0
Bhp
0.29
0.32
0.37
0.42
0.47

Rpm
878
902
937
957
981

Bhp
0.37
0.41
0.47
0.53
0.58

Refer to page 107 for general Fan Performance Data notes.

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.

*Motor drive range: 680 to 1044 rpm. All other rpms require fieldsupplied drive.

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS
581C036 (3 TONS) — STANDARD MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
222
786
0.30
296
871
265
814
0.35
349
897
313
842
0.41
407
925
367
871
0.47
471
952
426
901
0.54
540
981
491
931
0.62
616
1010
564
963
0.70
699
1040

0.8
Bhp
0.37
0.43
0.50
0.57
0.65
0.74
0.84

Watts
368
430
498
572
651
738
831

Rpm
947
972
999
1025
1053
1081
1110

1.0
Bhp
0.44
0.51
0.59
0.67
0.76
0.86
0.96

Watts
437
509
587
670
760
856
960

581C036 (3 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
900
1016
0.51
505
1080
0.57
572
1139
0.64
637
1195
1000
1041
0.59
587
1104
0.67
662
1163
0.74
737
1219
1100
1066
0.68
674
1129
0.76
759
1188
0.85
843
1243
1200
1093
0.77
767
1155
0.87
861
1213
0.96
955
1268
1300
1119
0.87
866
1181
0.98
970
1239
1.08
1073
1294
1400
1147
0.98
972
1208
1.09
1086
—
—
—
—
1500
1175
1.09
1086
—
—
—
—
—
—
—

1.8
Bhp
0.71
0.81
0.93
1.05
1.18
—
—

Watts
702
811
925
1047
1175
—
—

Rpm
1249
1272
1296
1321
—
—
—

2.0
Bhp
0.77
0.89
1.01
1.14
—
—
—

Watts
765
883
1007
1137
—
—
—

Airflow
(Cfm)
900
1000
1100
1200
1300
1400
1500

Rpm
567
599
632
666
701
737
773

0.2
Bhp
0.15
0.18
0.22
0.26
0.31
0.36
0.42

Watts
145
177
215
257
306
361
422

Rpm
688
717
747
778
810
842
875

0.4
Bhp
0.22
0.27
0.31
0.37
0.43
0.49
0.57

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

Refer to page 107 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.

*Motor drive range: 680 to 1044 rpm. All other rpms require fieldsupplied drive.

581C036 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
900
1000
1100
1200
1300
1400
1500

Rpm
567
599
632
666
701
737
773

0.2
Bhp
0.15
0.18
0.22
0.26
0.31
0.36
0.42

Watts
145
177
215
257
306
361
422

Rpm
688
717
747
778
810
842
875

0.4
Bhp
0.22
0.27
0.31
0.37
0.43
0.49
0.57

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
222
786
0.30
296
871
265
814
0.35
349
897
313
842
0.41
407
925
367
871
0.47
471
952
426
901
0.54
540
981
491
931
0.62
616
1010
564
963
0.70
699
1040

153

0.8
Bhp
0.37
0.43
0.50
0.57
0.65
0.74
0.84

Watts
368
430
498
572
651
738
831

Rpm
947
972
999
1025
1053
1081
1110

1.0
Bhp
0.44
0.51
0.59
0.67
0.76
0.86
0.96

Watts
437
509
587
670
760
856
960

PERFORMANCE DATA — 581C
581C036 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
900
1016
0.51
505
1080
0.57
572
1139
0.64
637
1195
1000
1041
0.59
587
1104
0.67
662
1163
0.74
737
1219
1100
1066
0.68
674
1129
0.76
759
1188
0.85
843
1243
1200
1093
0.77
767
1155
0.87
861
1213
0.96
955
1268
1300
1119
0.87
866
1181
0.98
970
1239
1.08
1073
1294
1400
1147
0.98
972
1208
1.09
1086
1265
1.21
1199
1320
1500
1175
1.09
1086
1235
1.22
1209
1292
1.34
1332
1346
LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

1.8
Bhp
0.71
0.81
0.93
1.05
1.18
1.32
1.46

Watts
702
811
925
1047
1175
1310
1452

Rpm
1249
1272
1296
1321
1346
1371
1397

2.0
Bhp
0.77
0.89
1.01
1.14
1.28
1.43
1.58

Watts
765
883
1007
1137
1275
1419
1572

Refer to page 107 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.

*Motor drive range: 1075 to 1455 rpm. All other rpms require fieldsupplied drive.

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581C048 (4 TONS) — STANDARD MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
367
871
0.47
471
952
426
901
0.54
540
981
491
931
0.62
616
1010
564
963
0.70
699
1040
643
994
0.79
790
1070
730
1027
0.89
888
1101
826
1060
1.00
994
1133
930
1093
1.11
1109
—
1043
—
—
—
—

0.8
Bhp
0.57
0.65
0.74
0.84
0.94
1.05
1.16
—
—

Watts
572
651
738
831
932
1040
1157
—
—

Rpm
1025
1053
1081
1110
1140
1170
—
—
—

1.0
Bhp
0.67
0.76
0.86
0.96
1.08
1.20
—
—
—

Watts
670
760
856
960
1070
1189
—
—
—

581C048 (4 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1200
1093
0.77
767
1155
0.87
861
1213
0.96
955
1268
1300
1119
0.87
866
1181
0.98
970
1239
1.08
1073
1294
1400
1147
0.98
972
1208
1.09
1086
—
—
—
—
1500
1175
1.09
1086
—
—
—
—
—
—
—
1600
—
—
—
—
—
—
—
—
—
—
1700
—
—
—
—
—
—
—
—
—
—
1800
—
—
—
—
—
—
—
—
—
—
1900
—
—
—
—
—
—
—
—
—
—
2000
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
1.05
1.18
—
—
—
—
—
—
—

Watts
1047
1175
—
—
—
—
—
—
—

Rpm
1321
—
—
—
—
—
—
—
—

2.0
Bhp
1.14
—
—
—
—
—
—
—
—

Watts
1137
—
—
—
—
—
—
—
—

581C024-060

Airflow
(Cfm)
1200
1300
1400
1500
1600
1700
1800
1900
2000

Rpm
666
701
737
773
810
847
885
923
962

0.2
Bhp
0.26
0.31
0.36
0.42
0.49
0.57
0.66
0.75
0.85

Watts
257
306
361
422
491
567
652
745
847

Rpm
778
810
842
875
909
943
978
1014
1049

0.4
Bhp
0.37
0.43
0.49
0.57
0.65
0.73
0.83
0.94
1.05

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

Refer to page 107 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.

*Motor drive range: 770 to 1185 rpm. All other rpms require fieldsupplied drive.

581C048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
1200
1300
1400
1500
1600
1700
1800
1900
2000

Rpm
666
701
737
773
810
847
885
923
962

0.2
Bhp
0.26
0.31
0.36
0.42
0.49
0.57
0.66
0.75
0.85

Watts
257
306
361
422
491
567
652
745
847

Rpm
778
810
842
875
909
943
978
1014
1049

0.4
Bhp
0.37
0.43
0.49
0.57
0.65
0.73
0.83
0.94
1.05

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
367
871
0.47
471
952
426
901
0.54
540
981
491
931
0.62
616
1010
564
963
0.70
699
1040
643
994
0.79
790
1070
730
1027
0.89
888
1101
826
1060
1.00
994
1133
930
1093
1.11
1109
1165
1043
1127
1.24
1233
1198

154

0.8
Bhp
0.57
0.65
0.74
0.84
0.94
1.05
1.16
1.29
1.42

Watts
572
651
738
831
932
1040
1157
1283
1417

Rpm
1025
1053
1081
1110
1140
1170
1200
1231
1263

1.0
Bhp
0.67
0.76
0.86
0.96
1.08
1.20
1.32
1.46
1.61

Watts
670
760
856
960
1070
1189
1316
1453
1598

PERFORMANCE DATA — 581C
581C048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1200
1093
0.77
767
1155
0.87
861
1213
0.96
955
1268
1300
1119
0.87
866
1181
0.98
970
1239
1.08
1073
1294
1400
1147
0.98
972
1208
1.09
1086
1265
1.21
1199
1320
1500
1175
1.09
1086
1235
1.22
1209
1292
1.34
1332
1346
1600
1204
1.21
1207
1263
1.35
1340
1320
1.48
1472
1373
1700
1233
1.34
1336
1292
1.49
1480
1348
1.63
1622
1401
1800
1262
1.48
1473
1321
1.64
1627
1376
1.79
1779
1428
1900
1293
1.63
1620
1350
1.79
1784
1405
1.96
1946
1457
2000
1323
1.79
1776
1380
1.96
1950
1434
2.13
2123
1486
LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

1.8
Bhp
1.05
1.18
1.32
1.46
1.61
1.77
1.94
2.12
2.31

Watts
1047
1175
1310
1452
1603
1762
1930
2106
2293

Rpm
1321
1346
1371
1397
1424
1451
1479
1506
—

2.0
Bhp
1.14
1.28
1.43
1.58
1.74
1.91
2.09
2.28
—

Watts
1137
1275
1419
1572
1732
1901
2078
2265
—

*Motor drive range: 1075 to 1455 rpm. All other rpms require fieldsupplied drive.
Refer to page 107 for general Fan Performance Data notes.

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581C060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — SINGLE-PHASE UNITS
External Static Pressure (in. wg)
Airflow
0.2
0.4
0.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
1500
848
0.42
371
968
0.55
486
1069
0.68
600
1600
887
0.49
433
1004
0.63
556
1103
0.76
678
1700
927
0.57
502
1040
0.71
633
1137
0.86
763
1800
967
0.65
579
1077
0.81
718
1172
0.96
856
1900
1007
0.75
663
1115
0.91
811
1208
1.08
957
2000
1048
0.85
757
1153
1.03
913
1244
1.20
1066
2100
1090
0.97
859
1191
1.15
1023
—
—
—
2200
1131
1.09
970
1230
1.29
1143
—
—
—
2300
1173
1.23
1091
—
—
—
—
—
—
2400
—
—
—
—
—
—
—
—
—
2500
—
—
—
—
—
—
—
—
—

Rpm
1158
1190
1223
1257
1291
—
—
—
—
—
—

0.8
Bhp
0.80
0.90
1.00
1.12
1.24
—
—
—
—
—
—

Watts
715
800
892
993
1101
—
—
—
—
—
—

Rpm
1238
1269
1302
1334
—
—
—
—
—
—
—

1.0
Bhp
0.94
1.04
1.15
1.27
—
—
—
—
—
—
—

Watts
831
922
1022
1130
—
—
—
—
—
—
—

581C060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — SINGLE-PHASE UNITS (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1500
1312
1.07
948
1380
1.20
1067
—
—
—
—
1600
1342
1.18
1047
—
—
—
—
—
—
—
1700
1374
1.30
1153
—
—
—
—
—
—
—
1800
—
—
—
—
—
—
—
—
—
—
1900
—
—
—
—
—
—
—
—
—
—
2000
—
—
—
—
—
—
—
—
—
—
2100
—
—
—
—
—
—
—
—
—
—
2200
—
—
—
—
—
—
—
—
—
—
2300
—
—
—
—
—
—
—
—
—
—
2400
—
—
—
—
—
—
—
—
—
—
2500
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—

1.0
Bhp
0.94
1.04
1.15
1.27
1.40
1.54
1.69
1.86
2.03
2.21
—

Watts
831
922
1022
1130
1246
1371
1505
1649
1803
1967
—

Bhp
Watts

LEGEND
— Brake Horsepower
— Input Watts to Motor

Refer to page 107 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.30.

*Motor drive range: 1035 to 1460 rpm. All other rpms require field-supplied drive.

581C060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — THREE-PHASE UNITS
External Static Pressure (in. wg)
Airflow
0.2
0.4
0.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
1500
848
0.42
371
968
0.55
486
1069
0.68
600
1600
887
0.49
433
1004
0.63
556
1103
0.76
678
1700
927
0.57
502
1040
0.71
633
1137
0.86
763
1800
967
0.65
579
1077
0.81
718
1172
0.96
856
1900
1007
0.75
663
1115
0.91
811
1208
1.08
957
2000
1048
0.85
757
1153
1.03
913
1244
1.20
1066
2100
1090
0.97
859
1191
1.15
1023
1281
1.33
1185
2200
1131
1.09
970
1230
1.29
1143
1318
1.48
1313
2300
1173
1.23
1091
1269
1.43
1273
1355
1.63
1451
2400
1215
1.38
1223
1309
1.59
1413
1393
1.80
1600
2500
1258
1.54
1365
1349
1.76
1564
1431
1.98
1759

155

Rpm
1158
1190
1223
1257
1291
1326
1361
1397
1433
1470
1506

0.8
Bhp
0.80
0.90
1.00
1.12
1.24
1.37
1.51
1.67
1.83
2.01
2.20

Watts
715
800
892
993
1101
1219
1345
1481
1627
1784
1951

Rpm
1238
1269
1302
1334
1368
1401
1435
1470
1505
1540
—

PERFORMANCE DATA — 581C
581C060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — THREE-PHASE UNITS (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
1500
1312
1.07
948
1380
1.20
1067
1445
1.34
1189
1600
1342
1.18
1047
1411
1.32
1173
1474
1.46
1300
1700
1374
1.30
1153
1441
1.45
1286
1505
1.60
1420
1800
1406
1.43
1268
1473
1.58
1407
1535
1.74
1548
1900
1438
1.57
1391
1504
1.73
1537
1567
1.90
1685
2000
1471
1.72
1523
1536
1.89
1677
1598
2.06
1831
2100
1504
1.87
1665
1569
2.06
1825
1630
2.24
1986
2200
1538
2.04
1816
1602
2.23
1984
—
—
—
2300
1572
2.23
1978
—
—
—
—
—
—
2400
—
—
—
—
—
—
—
—
—
2500
—
—
—
—
—
—
—
—
—

Rpm
1506
1535
1565
1595
1626
1657
—
—
—
—
—

1.8
Bhp
1.48
1.61
1.75
1.90
2.06
2.24
—
—
—
—
—

Watts
1312
1429
1555
1690
1833
1986
—
—
—
—
—

Rpm
1564
1593
1622
1652
1682
—
—
—
—
—
—

2.0
Bhp
1.62
1.76
1.91
2.06
2.23
—
—
—
—
—
—

Watts
1437
1560
1692
1833
1983
—
—
—
—
—
—

Refer to page 107 for general Fan Performance Data notes.

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 1035 to 1460 rpm. All other rpms require field-supplied drive.

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.

FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581C060 (5 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*

581C024-060

Airflow
(Cfm)
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500

Rpm
848
887
927
967
1007
1048
1090
1131
1173
1215
1258

0.2
Bhp
0.42
0.49
0.57
0.65
0.75
0.85
0.97
1.09
1.23
1.38
1.54

Watts
371
433
502
579
663
757
859
970
1091
1223
1365

Rpm
968
1004
1040
1077
1115
1153
1191
1230
1269
1309
1349

0.4
Bhp
0.55
0.63
0.71
0.81
0.91
1.03
1.15
1.29
1.43
1.59
1.76

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
486
1069
0.68
600
556
1103
0.76
678
633
1137
0.86
763
718
1172
0.96
856
811
1208
1.08
957
913
1244
1.20
1066
1023
1281
1.33
1185
1143
1318
1.48
1313
1273
1355
1.63
1451
1413
1393
1.80
1600
1564
1431
1.98
1759

Rpm
1158
1190
1223
1257
1291
1326
1361
1397
1433
1470
1506

0.8
Bhp
0.80
0.90
1.00
1.12
1.24
1.37
1.51
1.67
1.83
2.01
2.20

Watts
715
800
892
993
1101
1219
1345
1481
1627
1784
1951

Rpm
1238
1269
1302
1334
1368
1401
1435
1470
1505
1540
1576

1.0
Bhp
0.94
1.04
1.15
1.27
1.40
1.54
1.69
1.86
2.03
2.21
2.41

Watts
831
922
1022
1130
1246
1371
1505
1649
1803
1967
2142

Rpm
1506
1535
1565
1595
1626
1657
1688
1720
1753
—
—

1.8
Bhp
1.48
1.61
1.75
1.90
2.06
2.24
2.42
2.61
2.82
—
—

Watts
1312
1429
1555
1690
1833
1986
2149
2321
2504
—
—

Rpm
1564
1593
1622
1652
1682
1713
1744
1775
—
—
—

2.0
Bhp
1.62
1.76
1.91
2.06
2.23
2.41
2.60
2.81
—
—
—

Watts
1437
1560
1692
1833
1983
2142
2312
2491
—
—
—

581C060 (5 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500

Rpm
1312
1342
1374
1406
1438
1471
1504
1538
1572
1607
1642

1.2
Bhp
1.07
1.18
1.30
1.43
1.57
1.72
1.87
2.04
2.23
2.42
2.63

Watts
948
1047
1153
1268
1391
1523
1665
1816
1978
2150
2333

Rpm
1380
1411
1441
1473
1504
1536
1569
1602
1635
1669
1704

1.4
Bhp
1.20
1.32
1.45
1.58
1.73
1.89
2.06
2.23
2.42
2.63
2.84

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
1067
1445
1.34
1189
1173
1474
1.46
1300
1286
1505
1.60
1420
1407
1535
1.74
1548
1537
1567
1.90
1685
1677
1598
2.06
1831
1825
1630
2.24
1986
1984
1663
2.42
2152
2153
1695
2.62
2328
2332
1729
2.83
2515
2523
—
—
—

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

Refer to page 107 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.

*Motor drive range: 1300 to 1685 rpm. All other rpms require field-supplied drive.

156

PERFORMANCE DATA — 581C
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS
581C024 (2Tons)
AIRFLOW
(Cfm)
600
700
800
900
1000

0.1
Rpm Bhp
490
0.08
519
0.09
537
0.1
560
0.13
589
0.15

0.2
Rpm
521
557
582
610
640

Bhp
0.08
0.09
0.12
0.14
0.16

EXTERNALSTATIC PRESSURE (in. wg)
0.4
0.6
0.8
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
597
0.14
703
0.21
788
0.29
623
0.16
729
0.24
816
0.32
650
0.19
751
0.27
845
0.37
681
0.22
783
0.32
870
0.42
707
0.26
808
0.36
894
0.47

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

1.0
Rpm
868
892
927
947
971

Bhp
0.37
0.41
0.47
0.53
0.58

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.

*Motor drive range: 680 to 1044 rpm. All other rpms require fieldsupplied drive.

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS
581C036 (3 TONS) — STANDARD MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
221
782
0.32
316
870
257
807
0.36
358
894
297
833
0.41
405
919
343
859
0.46
458
944
394
886
0.52
517
969
452
913
0.58
581
996
515
941
0.66
653
1023

0.8
Bhp
0.42
0.47
0.52
0.58
0.65
0.72
0.80

Watts
417
466
519
579
644
716
795

Rpm
948
971
995
1020
1044
1070
1096

1.0
Bhp
0.53
0.58
0.64
0.71
0.78
0.86
0.95

Watts
526
580
639
705
777
855
941

581C036 (3 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
900
1019
0.64
640
1084
0.76
760
1146
0.89
885
1203
1000
1042
0.70
700
1107
0.83
825
1168
0.96
956
1225
1100
1065
0.77
765
1130
0.90
896
1190
1.04
1032
1247
1200
1089
0.84
837
1153
0.98
974
1213
1.12
1115
—
1300
1113
0.92
915
1177
1.06
1058
—
—
—
—
1400
1138
1.01
1000
1201
1.15
1149
—
—
—
—
1500
1163
1.10
1092
—
—
—
—
—
—
—

1.8
Bhp
1.02
1.10
1.18
—
—
—
—

Watts
1016
1091
1173
—
—
—
—

Rpm
1258
—
—
—
—
—
—

2.0
Bhp
1.16
—
—
—
—
—
—

Watts
1152
—
—
—
—
—
—

1.0
Bhp
0.53
0.58
0.64
0.71
0.78
0.86
0.95

Watts
526
580
639
705
777
855
941

Airflow
(Cfm)
900
1000
1100
1200
1300
1400
1500

Rpm
553
582
612
643
675
707
740

0.2
Bhp
0.14
0.16
0.20
0.23
0.28
0.33
0.38

Watts
134
163
196
234
277
326
382

Rpm
681
707
734
762
790
819
849

0.4
Bhp
0.22
0.26
0.30
0.34
0.40
0.45
0.52

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

See page 107 for general fan performance notes.

*Motor drive range: 680 to 1044 rpm. All other rpms require fieldplied drive.

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.

sup-

581C036 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
900
1000
1100
1200
1300
1400
1500

Rpm
553
582
612
643
675
707
740

0.2
Bhp
0.14
0.16
0.20
0.23
0.28
0.33
0.38

Watts
134
163
196
234
277
326
382

Rpm
681
707
734
762
790
819
849

0.4
Bhp
0.22
0.26
0.30
0.34
0.40
0.45
0.52

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
221
782
0.32
316
870
257
807
0.36
358
894
297
833
0.41
405
919
343
859
0.46
458
944
394
886
0.52
517
969
452
913
0.58
581
996
515
941
0.66
653
1023

157

0.8
Bhp
0.42
0.47
0.52
0.58
0.65
0.72
0.80

Watts
417
466
519
579
644
716
795

Rpm
948
971
995
1020
1044
1070
1096

PERFORMANCE DATA — 581C
581C036 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
900
1019
0.64
640
1084
0.76
760
1146
0.89
885
1203
1000
1042
0.70
700
1107
0.83
825
1168
0.96
956
1225
1100
1065
0.77
765
1130
0.90
896
1190
1.04
1032
1247
1200
1089
0.84
837
1153
0.98
974
1213
1.12
1115
1270
1300
1113
0.92
915
1177
1.06
1058
1237
1.21
1205
1293
1400
1138
1.01
1000
1201
1.15
1149
1261
1.31
1303
1317
1500
1163
1.10
1092
1226
1.25
1247
1285
1.41
1407
1341
LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

1.8
Bhp
1.02
1.10
1.18
1.27
1.36
1.47
1.58

Watts
1016
1091
1173
1262
1358
1461
1571

Rpm
1258
1279
1301
1324
1347
1370
1394

2.0
Bhp
1.16
1.24
1.33
1.42
1.52
1.63
1.75

Watts
1152
1232
1319
1413
1514
1623
1740

*Motor drive range: 1075 to 1455 rpm. All other rpms require fieldsupplied drive.
See page 107 for general fan performance notes.

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581C048 (4 TONS) — STANDARD MOTOR (BELT DRIVE)*
External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
343
859
0.46
458
944
394
886
0.52
517
969
452
913
0.58
581
996
515
941
0.66
653
1023
586
970
0.73
731
1050
663
999
0.82
817
1078
749
1029
0.91
910
1106
842
1059
1.02
1012
1135
944
1090
1.13
1122
—

0.8
Bhp
0.58
0.65
0.72
0.80
0.88
0.98
1.08
1.19
—

Watts
579
644
716
795
880
973
1074
1184
—

Rpm
1020
1044
1070
1096
1123
1150
—
—
—

1.0
Bhp
0.71
0.78
0.86
0.95
1.04
1.14
—
—
—

Watts
705
777
855
941
1034
1134
—
—
—

581C048 (4 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1200
1089
0.84
837
1153
0.98
974
1213
1.12
1115
—
1300
1113
0.92
915
1177
1.06
1058
—
—
—
—
1400
1138
1.01
1000
1201
1.15
1149
—
—
—
—
1500
1163
1.10
1092
—
—
—
—
—
—
—
1600
1189
1.20
1191
—
—
—
—
—
—
—
1700
—
—
—
—
—
—
—
—
—
—
1800
—
—
—
—
—
—
—
—
—
—
1900
—
—
—
—
—
—
—
—
—
—
2000
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—

2.0
Bhp
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—

1.0
Bhp
0.71
0.78
0.86
0.95
1.04
1.14
1.25
1.37
1.49

Watts
705
777
855
941
1034
1134
1242
1360
1485

581C024-060

Airflow
(Cfm)
1200
1300
1400
1500
1600
1700
1800
1900
2000

Rpm
643
675
707
740
773
807
841
875
910

0.2
Bhp
0.23
0.28
0.33
0.38
0.45
0.52
0.59
0.68
0.77

Watts
234
277
326
382
444
513
589
674
767

Rpm
762
790
819
849
879
910
942
974
1006

0.4
Bhp
0.34
0.40
0.45
0.52
0.59
0.67
0.75
0.85
0.95

See page 107 for general fan performance notes.

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.

*Motor drive range: 770 to 1185 rpm. All other rpms require fieldsupplied drive.
581C048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
1200
1300
1400
1500
1600
1700
1800
1900
2000

Rpm
643
675
707
740
773
807
841
875
910

0.2
Bhp
0.23
0.28
0.33
0.38
0.45
0.52
0.59
0.68
0.77

Watts
234
277
326
382
444
513
589
674
767

Rpm
762
790
819
849
879
910
942
974
1006

0.4
Bhp
0.34
0.40
0.45
0.52
0.59
0.67
0.75
0.85
0.95

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
343
859
0.46
458
944
394
886
0.52
517
969
452
913
0.58
581
996
515
941
0.66
653
1023
586
970
0.73
731
1050
663
999
0.82
817
1078
749
1029
0.91
910
1106
842
1059
1.02
1012
1135
944
1090
1.13
1122
1165

158

0.8
Bhp
0.58
0.65
0.72
0.80
0.88
0.98
1.08
1.19
1.31

Watts
579
644
716
795
880
973
1074
1184
1302

Rpm
1020
1044
1070
1096
1123
1150
1177
1205
1234

PERFORMANCE DATA — 581C
581C048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1200
1089
0.84
837
1153
0.98
974
1213
1.12
1115
1270
1300
1113
0.92
915
1177
1.06
1058
1237
1.21
1205
1293
1400
1138
1.01
1000
1201
1.15
1149
1261
1.31
1303
1317
1500
1163
1.10
1092
1226
1.25
1247
1285
1.41
1407
1341
1600
1189
1.20
1191
1252
1.36
1353
1310
1.53
1520
1365
1700
1216
1.31
1299
1277
1.48
1468
1335
1.65
1640
1390
1800
1242
1.42
1414
1303
1.60
1590
1361
1.78
1770
1415
1900
1270
1.55
1538
1330
1.73
1721
1387
1.92
1908
1441
2000
1297
1.68
1672
1357
1.87
1862
1414
2.07
2055
1467
LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

1.8
Bhp
1.27
1.36
1.47
1.58
1.70
1.83
1.96
2.11
2.26

Watts
1262
1358
1461
1571
1690
1817
1953
2098
2252

Rpm
1324
1347
1370
1394
1418
1442
1467
1493
—

2.0
Bhp
1.42
1.52
1.63
1.75
1.87
2.01
2.15
2.30
—

Watts
1413
1514
1623
1740
1865
1998
2140
2292
—

*Motor drive range: 1075 to 1455 rpm. All other rpms require fieldsupplied drive. See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581C060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — SINGLE-PHASE UNITS
External Static Pressure (in. wg)
Airflow
0.2
0.4
0.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1500
800
0.39
350
904
0.49
438
999
0.60
535
1087
1600
839
0.46
412
938
0.57
505
1030
0.68
605
1115
1700
879
0.54
483
974
0.65
580
1062
0.77
684
1144
1800
919
0.63
561
1010
0.75
663
1095
0.87
771
1174
1900
960
0.73
648
1047
0.85
754
1129
0.98
867
1206
2000
1001
0.84
744
1085
0.96
855
1163
1.09
972
1238
2100
1043
0.96
850
1123
1.09
965
1199
1.22
1086
—
2200
1085
1.09
966
1162
1.22
1086
—
—
—
—
2300
1127
1.23
1092
—
—
—
—
—
—
—
2400
—
—
—
—
—
—
—
—
—
—
2500
—
—
—
—
—
—
—
—
—
—

0.8
Bhp
0.72
0.80
0.90
1.00
1.11
1.23
—
—
—
—
—

Watts
640
714
796
886
986
1095
—
—
—
—
—

Rpm
1169
1195
1221
1250
1279
—
—
—
—
—
—

1.0
Bhp
0.85
0.93
1.03
1.14
1.25
—
—
—
—
—
—

Watts
753
829
914
1008
1111
—
—
—
—
—
—

581C060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — SINGLE-PHASE UNITS (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
—
1500
1247
0.98
873
1320
1.13
1002
1390
1.28
1137
1600
1270
1.07
952
1342
1.22
1083
—
—
—
—
1700
1295
1.17
1040
—
—
—
—
—
—
—
1800
1321
1.28
1137
—
—
—
—
—
—
—
1900
—
—
—
—
—
—
—
—
—
—
2000
—
—
—
—
—
—
—
—
—
—
2100
—
—
—
—
—
—
—
—
—
—
2200
—
—
—
—
—
—
—
—
—
—
2300
—
—
—
—
—
—
—
—
—
—
2400
—
—
—
—
—
—
—
—
—
—
2500
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—
—
—

2.0
Bhp
—
—
—
—
—
—
—
—
—
—
—

Watts
—
—
—
—
—
—
—
—
—
—
—

1.0
Bhp
0.85
0.93
1.03
1.14
1.25
1.38
1.52
1.67
1.83
2.00
2.19

Watts
753
829
914
1008
1111
1224
1346
1479
1623
1778
1945

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 1035 to 1460 rpm. All other rpms require fieldsupplied drive.

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.30.

581C060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — THREE-PHASE UNITS
External Static Pressure (in. wg)
Airflow
0.2
0.4
0.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1500
800
0.39
350
904
0.49
438
999
0.60
535
1087
1600
839
0.46
412
938
0.57
505
1030
0.68
605
1115
1700
879
0.54
483
974
0.65
580
1062
0.77
684
1144
1800
919
0.63
561
1010
0.75
663
1095
0.87
771
1174
1900
960
0.73
648
1047
0.85
754
1129
0.98
867
1206
2000
1001
0.84
744
1085
0.96
855
1163
1.09
972
1238
2100
1043
0.96
850
1123
1.09
965
1199
1.22
1086
1271
2200
1085
1.09
966
1162
1.22
1086
1235
1.36
1211
1305
2300
1127
1.23
1092
1201
1.37
1217
1272
1.52
1347
1340
2400
1169
1.38
1229
1241
1.53
1359
1310
1.68
1493
1375
2500
1212
1.55
1378
1281
1.70
1513
1348
1.86
1652
1412

159

0.8
Bhp
0.72
0.80
0.90
1.00
1.11
1.23
1.37
1.51
1.67
1.84
2.02

Watts
640
714
796
886
986
1095
1213
1342
1482
1633
1796

Rpm
1169
1195
1221
1250
1279
1309
1340
1372
1405
1439
1473

PERFORMANCE DATA — 581C
581C060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — THREE-PHASE UNITS (cont)
External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
1500
1247
0.98
873
1320
1.13
1002
1390
1.28
1137
1457
1600
1270
1.07
952
1342
1.22
1083
1411
1.37
1221
1476
1700
1295
1.17
1040
1365
1.32
1173
1432
1.48
1313
1497
1800
1321
1.28
1137
1390
1.43
1273
1455
1.59
1415
1518
1900
1348
1.40
1243
1415
1.56
1381
1479
1.72
1526
1541
2000
1377
1.53
1359
1442
1.69
1500
1505
1.86
1648
1565
2100
1406
1.67
1485
1470
1.83
1629
1531
2.00
1780
1591
2200
1437
1.83
1621
1499
1.99
1769
1559
2.16
1923
1617
2300
1468
1.99
1769
1529
2.16
1920
1587
2.34
2077
—
2400
1500
2.17
1928
1559
2.35
2083
—
—
—
—
2500
1533
2.36
2098
—
—
—
—
—
—
—
LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 1035 to 1460 rpm. All other rpms require fieldsupplied drive.

1.8
Bhp
1.44
1.54
1.64
1.76
1.89
2.03
2.18
2.34
—
—
—

Watts
1280
1365
1459
1563
1677
1801
1936
2082
—
—
—

Rpm
1522
1540
1559
1579
1601
1624
1648
—
—
—
—

2.0
Bhp
1.61
1.71
1.82
1.93
2.06
2.21
2.36
—
—
—
—

Watts
1430
1517
1612
1718
1834
1961
2098
—
—
—
—

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.

FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)

581C024-060

581C060 (5 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500

Rpm
800
839
879
919
960
1001
1043
1085
1127
1169
1212

0.2
Bhp
0.39
0.46
0.54
0.63
0.73
0.84
0.96
1.09
1.23
1.38
1.55

Watts
350
412
483
561
648
744
850
966
1092
1229
1378

Rpm
904
938
974
1010
1047
1085
1123
1162
1201
1241
1281

0.4
Bhp
0.49
0.57
0.65
0.75
0.85
0.96
1.09
1.22
1.37
1.53
1.70

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm
438
999
0.60
535
1087
505
1030
0.68
605
1115
580
1062
0.77
684
1144
663
1095
0.87
771
1174
754
1129
0.98
867
1206
855
1163
1.09
972
1238
965
1199
1.22
1086
1271
1086
1235
1.36
1211
1305
1217
1272
1.52
1347
1340
1359
1310
1.68
1493
1375
1513
1348
1.86
1652
1412

0.8
Bhp
0.72
0.80
0.90
1.00
1.11
1.23
1.37
1.51
1.67
1.84
2.02

Watts
640
714
796
886
986
1095
1213
1342
1482
1633
1796

Rpm
1169
1195
1221
1250
1279
1309
1340
1372
1405
1439
1473

1.0
Bhp
0.85
0.93
1.03
1.14
1.25
1.38
1.52
1.67
1.83
2.00
2.19

Watts
753
829
914
1008
1111
1224
1346
1479
1623
1778
1945

1.8
Bhp
1.44
1.54
1.64
1.76
1.89
2.03
2.18
2.34
2.52
2.71
—

Watts
1280
1365
1459
1563
1677
1801
1936
2082
2239
2408
—

Rpm
1522
1540
1559
1579
1601
1624
1648
1673
1699
1726
—

2.0
Bhp
1.61
1.71
1.82
1.93
2.06
2.21
2.36
2.53
2.71
2.90
—

Watts
1430
1517
1612
1718
1834
1961
2098
2246
2406
2579
—

581C060 (5 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500
Bhp
Watts

Rpm
1247
1270
1295
1321
1348
1377
1406
1437
1468
1500
1533

1.2
Bhp
0.98
1.07
1.17
1.28
1.40
1.53
1.67
1.83
1.99
2.17
2.36

Watts
873
952
1040
1137
1243
1359
1485
1621
1769
1928
2098

Rpm
1320
1342
1365
1390
1415
1442
1470
1499
1529
1559
1591

1.4
Bhp
1.13
1.22
1.32
1.43
1.56
1.69
1.83
1.99
2.16
2.35
2.54

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm
1002
1390
1.28
1137
1457
1083
1411
1.37
1221
1476
1173
1432
1.48
1313
1497
1273
1455
1.59
1415
1518
1381
1479
1.72
1526
1541
1500
1505
1.86
1648
1565
1629
1531
2.00
1780
1591
1769
1559
2.16
1923
1617
1920
1587
2.34
2077
1644
2083
1616
2.53
2243
1672
2257
1647
2.73
2421
—

LEGEND
— Brake Horsepower
— Input Watts to Motor

See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.

*Motor drive range: 1300 to 1685 rpm. All other rpms require field-supplied
drive.

160

PERFORMANCE DATA — 581C
FAN RPM AT MOTOR PULLEY SETTING WITH STANDARD MOTOR* — 581C024-060
UNIT
581C

0
936
1044
1185
1460

024
036
048
060

1/

2

906
1008
1144
1425

1
876
971
1102
1389

11/2
846
935
1061
1354

2
816
898
1019
1318

MOTOR PULLEY TURNS OPEN
2 1 /2
3
3 1 /2
4
786
756
726
696
862
826
789
753
978
936
895
853
1283
1248
1212
1177

4 1 /2
656
716
812
1141

5
639
680
770
1106

5 1 /2
—
—
—
1070

6
—
—
—
1035

*Approximate fan rpm shown (standard motor/drive).

FAN RPM AT MOTOR PULLEY SETTING WITH HIGH-STATIC MOTOR* — 581C030-060
UNIT
581C
030
048
060

0
1455
1455
1685

1/

2

1423
1423
1589

1
1392
1392
1557

11/2
1360
1360
1525

2
1328
1328
1493

MOTOR PULLEY TURNS OPEN
2 1 /2
3
3 1 /2
4
1297
1265
1233
1202
1297
1265
1233
1202
1460
1428
1396
1364

4 1 /2
1170
1170
1332

5
1138
1138
1300

5 1 /2
1107
1107
—

6
1075
1075
—

*Approximate fan rpm shown (high-static motor/drive).

EVAPORATOR-FAN MOTOR PERFORMANCE — STANDARD MOTOR — 581C024-060
UNIT
581C
024

036

048

060

UNIT
PHASE
Single
Single

MAXIMUM
CONTINUOUS BHP*
0.58
1.20

MAXIMUM
OPERATING WATTS*
580
1000

Three

1.20

1000

Single

1.20

1000

Three

1.20

1000

Single

1.30

1650

Three

2.40

2120

UNIT VOLTAGE
208/230
208/230
208/230
460
575
208/230
208/230
460
575
208/230
208/230
460
575

MAXIMUM
AMP DRAW
2.0
4.9
4.9
2.2
2.2
4.9
4.9
2.2
2.2
9.2
6.7
3.0
3.0

LEGEND
Bhp — Brake Horsepower
*Extensive motor and electrical testing on these units ensures that the full horsepower and watts range of the
motors can be utilized with confidence. Using the fan motors up to the ratings shown in this table will not
result in nuisance tripping or premature motor failure. Unit warranty will not be affected.

EVAPORATOR-FAN MOTOR PERFORMANCE — HIGH-STATIC MOTORS — 581C036-060
UNIT
581C

UNIT
PHASE

MAXIMUM
CONTINUOUS BHP*

MAXIMUM
OPERATING WATTS*

036

Three

2.40

2120

048

Three

2.40

2120

060

Three

2.90

2615

UNIT VOLTAGE

LEGEND
Bhp — Brake Horsepower
*Extensive motor and electrical testing on these units ensures that the full horsepower and watts range of the
motors can be utilized with confidence. Using the fan motors up to the ratings shown in this table will not
result in nuisance tripping or premature motor failure. Unit warranty will not be affected.

161

208/230
460
575
208/230
460
575
208/230
460
575

MAXIMUM
AMP DRAW
6.7
3.0
3.0
6.7
3.0
3.0
8.6
3.9
3.9

EVAPORATOR-FAN MOTOR EFFICIENCY —
581C024-060
UNIT SIZE
581C
024, 036, 048
060

2. The EPACT (Energy Policy Act of 1992) regulates energy requirements for specific types of indoor fan motors. Motors regulated by
EPACT include any general purpose, T-frame (three-digit, 143 and
larger), single-speed, foot mounted, polyphase, squirrel cage
induction motors of NEMA (National Electrical Manufacturers
Association) design A and B, manufactured for use in the United
States. Ranging from 1 to 200 Hp, these continuous-duty motors
operate on 230 and 460 volt, 60 Hz power. If a motor does not fit
into these specifications, the motor does not have to be replaced
by an EPACT-compliant energy-efficient motor. Variable-speed
motors are exempt from EPACT compliance requirements. Therefore, the indoor fan motors for Bryant 581C024-060 units are
exempt from these requirements.

EFFICIENCY%
75
74/84*

*Single phase/3 phase.
NOTES:
1. Convert bhp to watts using the following formula:
bhp (746)
watts =
motor efficiency

ACCESSORY/FIOP STATIC PRESSURE* (in. wg) — 581C024-060
CFM

COMPONENT
Vertical EconoMi$er IV and EconoMi$er2
Horizontal EconoMi$er IV and EconoMi$er2

600

800

1000

1250

1500

1750

2000

2250

2500

2750

0.10

0.20

0.35

0.045

0.065

0.08

0.12

0.145

0.175

0.22

—

—

—

—

—

0.1

0.125

0.15

0.18

0.225

*The static pressure must be added to external static pressure. The
sum and the evaporator entering-air cfm should be used in conjunction
with the Fan Performance tables to determine indoor blower rpm and
watts.

LEGEND
FIOP — Factory-Installed Option

581C024-060

3000
0.255
0.275

581C - OPTION/ACCESSORY WEIGHTS
Option / Accessory
Perfect Humidity Dehumidification System
Power Exhaust - vertical
Power Exhaust - horizontal
EconoMi$er ( IV or 2)
Two Position damper (25%)
Two Position damper (100%)
Manual Dampers
Hail Guard (louvered)
Hail Guard (standard hood assembly)
Cu/Cu Condenser Coil
Cu/Cu Condenser and Evaporator Coils
Roof Curb (14-in. curb)
Roof Curb (24-in. curb)

024
lb
13
50
30
50
22
39
12
16
25
5
10
115
197

036
kg
6
23
14
23
10
18
5
7
11
2
5
52
89

162

lb
15
50
30
50
22
39
12
16
25
6
12
115
197

048
kg
7
23
14
23
10
18
5
7
11
3
5
52
89

lb
23
50
30
50
22
39
12
16
25
13
19
115
197

060
kg
10
23
14
23
10
18
5
7
11
6
9
52
89

lb
25
50
30
50
22
39
12
16
25
13
21
115
197

kg
11
23
14
23
10
18
5
7
11
6
10
52
89

PERFORMANCE DATA — 581C
PERFECT HUMIDITY™ ADAPTIVE DEHUMIDIFICATION COIL PRESSURE DROP

ALTITUDE COMPENSATION* — 581C024-060
STANDARD UNIT
ELEVATION
(ft)
0-2,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
10,000
11,000
12,000
13,000
14,000

ALTITUDE COMPENSATION* — 581C024-060
LOW NOx UNITS

50,000 BTUH NOMINAL INPUT
Natural Gas
Liquid Propane
Orifice Size†
Orifice Size†
43
49
44
50
44
50
44
50
45
51
45
51
46
51
47
52
47
52
48
52
49
53
50
54
51
55
52
56

60,000 AND 90,000 BTUH
NOMINAL INPUT
Natural Gas
Orifice Size†
38
40
41
42
43
43
44
45
46
47
48
49
50
51

ELEVATION
(ft)
0-2,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
10,000
11,000
12,000
13,000
14,000

*As the height above sea level increases, there is less oxygen per cubic
foot of air. Therefore, heat input rate should be reduced at higher altitudes.
†Orifices available through your Bryant distributor.

120,000 BTUH
NOMINAL INPUT
Natural Gas
Orifice Size
32
33
35
36
37
38
39
41
42
43
44
44
46
47

*As the height above sea level increases, there is less oxygen per cubic
foot of air. Therefore, heat input rate should be reduced at higher altitudes.
†Orifices available through your Bryant distributor.

ALTITUDE DERATING FACTOR*
ELEVATION
0-2000
2001-3000
3001-4000
4001-5000
5001-6000

MAXIMUM HEATING VALUE
AT SEA LEVEL (Btu/ft3)
1100
1050
1000
950
900

*Derating of the gas heating equipment to compensate for the effects of altitude is always required. Orifice change is not required if the fuel heating
value (at sea level) is below the limits listed in the table at left. Derating conditions must be 4% per thousand ft above 2000 ft. For example, at 4000 ft,
if the heating value of the gas exceeds 1000 Btu/ft3, the unit will require a
16% derating. For elevations above 6000 ft, the same formula applies. For
example, at 7000 ft, the unit will require a 28% derating of the maximum
heating value per the National Fuel Gas Code.
IMPORTANT: Local utility companies may be reducing heat content of gas at
altitudes above 2000 ft. If this is being done, changing spuds may not be
required.

163

PERFORMANCE DATA — 581C
HORIZONTAL ECONOMI$ER IV AND ECONOMI$ER2
PERFORMANCE DATA

581C024-060

VERTICAL ECONOMI$ER IV AND ECONOMI$ER2
PERFORMANCE DATA

Vertical - Mounted in Economizer Hood
Power Exhaust Part No.
CRPWREXH021A01
CRPWREXH030A01

Power Exhaust Description
Power Exhaust System (460-3-60)
Power Exhaust System (208/230-1-60)

Application
Usage
036-060
036-060

Power Output
(Hp per fan)
0.24
0.23

Fans per
PE
2
2

Application
Usage
ALL*
ALL

Power Output
(Hp per fan)
0.48
0.48

Fans per
PE
1
1

Horizontal - Mounted in Return Ductwork
Power Exhaust Part No.
CRPWREXH028A01
CRPWREXH029A01

Power Exhaust Description
Power Exhaust System (208/230-1-60)
Power Exhaust System (460-3-60)

* Single or three phase rooftop unit.

164

SOUND DATA
UNIT
581C
024-048
060

ARI
RATING
(decibels)
76
80

A-WEIGHTED
(db)
76.0
80.0

OCTAVE BANDS
63

125

250

500 1000 2000 4000 8000

55.9 66.0 64.0 66.2 68.4
59.1 68.9 68.7 71.9 74.0

64.5
68.9

61.7
65.7

57.3
59.0

LEGEND
ARI — Air Conditioning and Refrigeration Institute
NOTE: Indoor sound power is available in Bryant’s Electronic Catalog Program (ECAT) for
specific operating parameters.

PERFORMANCE DATA — 581C
581C024-036
VOLTAGE
RANGE

COMBUSTION
FAN MOTOR

IFM

FLA

FLA

UNIT
SIZE

NOMINAL
V-PH-Hz

024
(2 tons)

208/
230-1-60

STD

187

254

1

10.9

63

1

0.7

0.6

2.0

208/
230-1-60

STD

187

254

1

16

88

1

0.7

0.6

4.9

187

254

1

10.3

77

1

0.7

0.6

IFM TYPE

Min

Max

COMPRESSOR
QTY

RLA

LRA

OFM
QTY

FLA

STD

4.9

208/
230-3-60
HS

036
(3 tons)

5.8

STD

2.2

460-3-60

414

508

1

5.1

39

1

0.4

0.3

HS

2.6

STD

1.9
1

575-3-60

HS

518

632

1

4.2

31

Perfect Humidity

0.3†
1

2.0

0.4†

2.6†

NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES

MINIMUM UNIT
DISCONNECT
SIZE
FLA

LRA

15.6
21.2
24.8
30.4
18.3
23.8
19.3
24.9
8.9
11.4
9.3
11.8
7.5
9.5
7.6
9.6
8.0
9.6

69
73
101
106
90
95
120
124
46
48
60
63
36
38
43
44
48
50

Determine percent of voltage imbalance.

LEGEND
FLA
— Full Load Amps
HACR — Heating, Air Conditioning and Refrigeration
IFM
— Indoor (Evaporator) Fan Motor
LRA — Locked Rotor Amps
MCA — Minimum Circuit Amps
MOCP — Maximum Overcurrent Protection
NEC — National Electrical Code
OFM — Outdoor (Condenser) Fan Motor
RLA — Rated Load Amps
UL
— Underwriters’ Laboratories

% Voltage Imbalance = 100 x

7
457

= 1.53%
This amount of phase imbalance is satisfactory as it is below the maximum
allowable 2%.
IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact
your local electric utility company immediately.

*The values listed in this table do not include power exhaust. See table at right
for power exhaust requirements.
**Fuse or HACR circuit breaker.
†460v motor
NOTES:
1. In compliance with NEC requirements for multimotor and combination load
equipment (refer to NEC Articles 430 and 440), the overcurrent protective
device for the unit shall be fuse or HACR breaker. The UL, Canada units
may be fuse or circuit breaker.
2. Electrical data based on 95 F ambient outdoor-air temperature ± 10%
voltage.
3. Unbalanced 3-Phase Supply Voltage
Never operate a motor where a phase imbalance in supply voltage is
greater than 2%. Use the following formula to determine the percent of voltage
imbalance.
max voltage deviation from average voltage
= 100 x
average voltage

POWER EXHAUST ELECTRICAL DATA

POWER EXHAUST
PART NO.

Application
usage

MCA
(230 v)

MCA
(460 v)

CRPWREXH030A01
CRPWREXH021A01
CRPWREXH028A01
CRPWREXH029A01

036-072
036-072
ALL*
ALL

1.6
N/A
1.7
N/A

N/A
0.68
N/A
0.7

MOCP
(for
MCA separate
(575 v) power
source)
0.64
15
N/A
15
0.68
15
N/A
15

* — Single or three phase rooftop unit
N/A — Not available
NOTE: If a single power source is to be used, size wire to include power
exhaust MCA and MOCP.
Check MCA and MOCP when power exhaust is powered through the unit.
Determine the new MCA including the power exhaust using the following
formula:
MCA New = MCA unit only + MCA of Power Exhaust
For example, using a 581B060—unit with MCA = 28.9 and MOCP = 35, with
CRPWREXH030A01 power exhaust.
MCA New = 28.9 amps + 1.6 amps = 30.5 amps
If the new MCA does not exceed the published MOCP, then MOCP would
not change. The MOCP in this example is 35 amps and the MCA New is
below 35; therefore the MOCP is acceptable. If “MCA New” is larger than
the published MOCP, raise the MOCP to the next larger size. For separate
power, the MOCP for the power exhaust will be 15 amps per NEC.

Example: Supply voltage is 460-3-60.
AB = 452 v
BC = 464 v
AC = 455 v
Average Voltage =

0.4

POWER SUPPLY
*
MOCP
MCA
**
16.3
20
22.3
25
25.6
30
31.6
35
18.5
25
24.5
30
19.4
25
25.4
30
9.0
15
11.7
15
9.4
15
12.1
15
7.6
10
9.7
15
7.7
10
9.8
15
7.7
10
9.8
15

CONV
OUTLET

452 + 464 + 455
3

1371
3
= 457
=

Determine maximum deviation from average voltage.
(AB) 457 – 452 = 5 v
(BC) 464 – 457 = 7 v
(AC) 457 – 455 = 2 v
Maximum deviation is 7 v.

165

PERFORMANCE DATA — 581C
581C048-060 UNITS
UNIT
SIZE

NOMINAL
V-PH-Hz

IFM TYPE

208/230-1-60

STD

VOLTAGE
RANGE
Min
Max

COMPRESSOR
QTY
RLA
LRA

OFM
QTY
FLA

COMBUSTION
FAN MOTOR
FLA

FLA
4.9

197

254

1

21

115

1

1.5

0.6

187

254

1

14.1

95

1

1.5

0.6

STD
HS

5.8

STD

2.2

460-3-60

414

508

1

7.1

45

1

0.8

0.3

HS

2.6

STD

1.9
1

575-3-60

HS

518

632

1

6.1

STD

0.6

38

Perfect Humidity
208/230-1-60

0.3†
1

0.8†

2.0
2.6†

187

254

1

25

150

1

1.5

0.6

187

254

1

17.3

123

1

1.5

0.6

6.6

STD

5.8

208/230-3-60
HS
060
(5 tons)

7.5

STD

2.6

460-3-60

414

508

1

8.4

70

1

0.8

0.3†

HS

3.4

STD

2.0
1

575-3-60

HS

518

632

1

7.1

1.9†

3.4†

NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES

POWER SUPPLY *
MCA
MOCP**
32.7
40
38.7
45
24.0
30
30.0
35
24.9
30
30.9
35
11.9
15
14.6
20
12.3
15
15.0
20
10.1
15
12.3
15
10.2
15
12.4
15
10.3
15
12.5
15
39.4
50
45.4
60
28.9
35
34.9
40
30.6
35
36.6
40
13.9
20
16.6
20
14.7
20
17.4
20
11.5
15
13.6
15
12.3
15
14.4
20
12.2
15
14.4
20

MINIMUM UNIT
DISCONNECT
SIZE
FLA
LRA
31.5
130
37.0
135
23.6
110
29.1
115
24.6
140
30.1
145
11.6
53
14.1
55
12.1
67
14.6
70
9.9
44
11.9
46
10.0
51
12.0
52
10.1
56
12.1
58
38.1
187
43.6
191
28.3
168
33.8
173
30.2
187
35.8
192
13.6
92
16.1
95
14.5
102
17.0
104
11.2
66
13.2
67
12.1
75
14.1
76
12.0
79
14.0
80

This amount of phase imbalance is satisfactory as it is below the maximum
allowable 2%.

LEGEND
— Full Load Amps
— Heating, Air Conditioning and Refrigeration
— Indoor (Evaporator) Fan Motor
— Locked Rotor Amps
— Minimum Circuit Amps
— Maximum Overcurrent Protection
— National Electrical Code
— Outdoor (Condenser) Fan Motor
— Rated Load Amps
— Underwriters’ Laboratories

IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact
your local electric utility company immediately.

POWER EXHAUST ELECTRICAL DATA

*The values listed in this table do not include power exhaust. See table at right
for power exhaust requirements.
**Fuse or HACR circuit breaker.
†460v motor
NOTES:
1. In compliance with NEC requirements for multimotor and combination load
equipment (refer to NEC Articles 430 and 440), the overcurrent protective
device for the unit shall be fuse or HACR breaker. The UL, Canada units
may be fuse or circuit breaker.
2. Electrical data based on 95 F ambient outdoor-air temperature ± 10%
voltage.
3. Unbalanced 3-Phase Supply Voltage
Never operate a motor where a phase imbalance in supply voltage is
greater than 2%. Use the following formula to determine the percent of voltage
imbalance.
max voltage deviation from average voltage
= 100 x
average voltage

POWER EXHAUST
PART NO.

Application
usage

MCA
(230 v)

MCA
(460 v)

CRPWREXH030A01
CRPWREXH021A01
CRPWREXH028A01
CRPWREXH029A01

036-072
036-072
ALL*
ALL

1.6
N/A
1.7
N/A

N/A
0.68
N/A
0.7

MOCP
(for
MCA separate
(575 v) power
source)
0.64
15
N/A
15
0.68
15
N/A
15

* — Single or three phase rooftop unit
N/A — Not available
NOTE: If a single power source is to be used, size wire to include power
exhaust MCA and MOCP.
Check MCA and MOCP when power exhaust is powered through the unit.
Determine the new MCA including the power exhaust using the following
formula:
MCA New = MCA unit only + MCA of Power Exhaust
For example, using a 581B060—5 unit with MCA = 28.9 and MOCP = 35,
with CRPWREXH030A01 power exhaust.
MCA New = 28.9 amps + 1.6 amps = 30.5 amps
If the new MCA does not exceed the published MOCP, then MOCP would
not change. The MOCP in this example is 35 amps and the MCA New is
below 35; therefore the MOCP is acceptable. If “MCA New” is larger than
the published MOCP, raise the MOCP to the next larger size. For separate
power, the MOCP for the power exhaust will be 15 amps per NEC.

Example: Supply voltage is 460-3-60.
AB = 452 v
BC = 464 v
AC = 455 v
452 + 464 + 455
3

1371
3
= 457
=

Determine maximum deviation from average voltage.
(AB) 457 – 452 = 5 v
(BC) 464 – 457 = 7 v
(AC) 457 – 455 = 2 v
Maximum deviation is 7 v.
Determine percent of voltage imbalance.
% Voltage Imbalance = 100 x

2.8

0.3†
1

Average Voltage =

0.6

53

Perfect Humidity

FLA
HACR
IFM
LRA
MCA
MOCP
NEC
OFM
RLA
UL

CONV
OUTLET

4.9

208/230-3-60

048
(4 tons)

IFM

7
457

= 1.53%

166

TYPICAL WIRING SCHEMATICS — 581C

NOTES:
1. If any of the original wire furnished must be replaced, it must
be replaced with type 90 C wire or its equivalent.
2. Three phase motors are protected under primary single
phasing conditions.
3. Use copper conductors only.
4. TRAN is wired for 230 v unit. If unit is to be run with 208 v
power supply, disconnect BLK wire from 230 v tap (ORN)
and connect to 208 v tap (RED). Insulate end of 230 v tap.

LEGEND
C
CAP
CLO
COMP
EQUIP
FPT
FU
GND
HPS
HS
I
IDM
IFC
IFM
IGC
LPS
LS
MGV

—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Contactor, Compressor
Capacitor
Compressor Lockout
Compressor Motor
Equipment
Freeze Up Protection Thermostat
Fuse
Ground
High-Pressure Switch
Hall-Effect Sensor
Ignitor
Induced-Draft Motor
Indoor Fan Contactor
Indoor Fan Motor
Integrated Gas Unit Controller
Low-Pressure Switch
Limit Switch
Main Gas Valve

OFM
OLR
P
PL
QT
RS
SAT
TRAN

—
—
—
—
—
—
—
—

Outdoor (Condenser) Fan Motor
Overload Relay
Plug
Plug Assembly
Quadruple Terminal
Rollout Switch
Supply Air Temperature Sensor
Transformer

Splice
Splice (Marked)
Factory Wiring
Field Control Wiring

Field Splice

Field Power Wiring

Marked Wire

Accessory or Optional Wiring
To indicate common potential only;
not to represent wiring.

Terminal (Marked)
Terminal (Unmarked)
Terminal Block

167

TYPICAL WIRING SCHEMATICS — 581C
ECONOMI$ER2 WIRING — 581C024-060 UNIT
BLACK

4
3
5

BLUE
500 OHM
RESISTOR

8
VIOLET

6

NOTE 1
PINK

7

RUN
RED

+

NOTE 3

2

1

YELLOW

10

50HJ540573
ACTUATOR
ASSEMBLY

OPTIONAL CO 2
SENSOR 4 - 20 mA
OUTPUT

11
9
WHITE

DIRECT DRIVE
ACTUATOR

12

ECONOMISER2 PLUG

NOTES:
1. Switch on actuator must be in run position for economizer to operate.
2. PremierLink™ control requires that the standard 50HJ540569 outside-air sensor be replaced by either the CROASENR001A00 dry bulb sensor or HH57A077
enthalpy sensor.
3. 50HJ540573 actuator consists of the 50HJ540567 actuator and a harness with 500-ohm resistor.

LEGEND
OAT — Outdoor Air Temperature Sensor
NOTES:
1. Switch on actuator must be in run position for economizer to operate.
2. 50HJ540573 actuator consists of the 50HJ540567 actuator and a harness with 500-ohm resistor.

168

TYPICAL PIPING AND WIRING — 581C 024-060
VERTICAL DISCHARGE DUCTING

HORIZONTAL DISCHARGE DUCTING

NO.1
CONVENIENCE
OUTLET

NO.2

NEC — National Electrical Code

169

GUIDE SPECIFICATONS — 581C024-060
prepainted baked enamel finish on all externally
exposed surfaces. The color of this pre-painted
steel is referred to as “American Sterling,” a gray
color. Bryant’s paint specification for this color is
PH184.
Color: American Sterling, this gray color is to match
federal standard 595a, #26231.
Gloss (per ASTM 0523, 60 deg. F): 60.
Hardness of paint film: H-2H pencil hardness.
2. Evaporator fan compartment interior cabinet surfaces shall be insulated with a minimum 1/2-in. thick,
1 lb density, flexible fiberglass insulation, neoprene
coated on the air side. Aluminum foil-faced fiberglass insulation shall be used in the gas heat compartment.
3. Cabinet panels shall be easily removable for servicing.
4. Holes shall be provided in the base rails for rigging
shackles to facilitate maneuvering and overhead
rigging.
5. Unit shall have a factory-installed, sloped condensate drain pan made of a non-corrosive material,
providing a minimum 3/4-in.-14 NPT. connection with
both vertical and horizontal drains, and shall comply
with ASHRAE Standard 62.
6. Unit shall have a factory-installed filter access panel
to provide filter access with tool-less removal.
7. Unit shall have standard thru-the-bottom gas and
power connection capability (accessory kit is
required).
C. Fans:
1. Evaporator Fan:
a. Fan shall be belt driven as shown on the equipment drawings. Belt drive shall include an
adjustable-pitch motor pulley.
b. Fan wheel shall be double-inlet type with forward-curved blades.
c. Bearings shall be sealed, permanently lubricated ball-bearing type for longer life and lower
maintenance.
2. Evaporator fan shall be made from steel with a corrosion-resistant finish and shall be dynamically balanced.
3. Condenser fan shall be of the direct-driven (with
totally enclosed motors) propeller type and shall
discharge air vertically.
4. Condenser fan shall have aluminum blades riveted
to corrosion-resistant steel spiders and shall be
dynamically balanced.
5. Induced-draft blower shall be of the direct-driven,
single inlet, forward-curved centrifugal type, made
from steel with a corrosion-resistant finish and shall
be dynamically balanced.
D. Compressor(s):
1. Fully hermetic type, internally protected scroll-type.
2. Factory mounted on rubber grommets and internally
spring mounted for vibration isolation.
3. Units shall be electrically and mechanically single
circuits (one compressor per circuit).
E. Coils:
1. Standard evaporator and condenser coils shall
have aluminum lanced plate fins mechanically
bonded to seamless internally grooved copper
tubes with all joints brazed.

Packaged Rooftop Electric Cooling Unit with Gas Heat –
Constant Volume Application
HVAC Guide Specifications
Size Range: 24,000 to 60,000 Btuh,
Nominal (Input Heating)
2 to 5 Tons, Nominal (Cooling)

581C 024-060 UNITS ARE
ENERGY STAR QUALIFIED

Bryant Model
Number: 581C
PART 1 — General
1.01 SYSTEM DESCRIPTION
Outdoor rooftop mounted, electrically controlled heating
and cooling unit utilizing a hermetic compressor(s) for
cooling duty and gas combustion for heating duty. Unit
shall discharge supply air vertically or horizontally as
shown on contract drawings.
1.02 QUALITY ASSURANCE
A. Unit exceeds ASHRAE 90.1-2004 Energy Standards.
Units 003-006 are Energy Star qualified.
B. Unit shall be rated in accordance with ARI Standards 210
or 360 as applicable. Designed in accordance with UL
Standard 1995.
C. Unit shall be designed to conform to ASHRAE 15, latest
revision.
D. Unit shall be UL-tested and certified in accordance with
ANSI Z21.47 Standards and UL-listed and certified under
Canadian standards as a total package for safety
requirements.
E. Roof curb shall be designed to conform to NRCA Standards.
F. Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke generation.
G. Unit casing shall be capable of withstanding 500-hour
salt spray exposure per ASTM B117 (scribed specimen).
H. Unit shall be designed in accordance with ISO
9001:2000, and shall be manufactured in a facility registered to ISO 9001:2000.
I. Each unit shall be subjected to a completely automated
run testing on the assembly line. A factory-supplied printout indicating tested pressures, amperages, data, and
inspectors; providing certification of the unit status at the
time of manufacture; shall be available upon request.
0.01 DELIVERY, STORAGE, AND HANDLING
Unit shall be stored and handled per manufacturer’s recommendations.
PART 2 — Product
2.01 EQUIPMENT (STANDARD)
A. General:
Factory assembled, single-piece heating and cooling
unit. Contained within the unit enclosure shall be all factory wiring, piping, controls, refrigerant charge (R-22),
and special features required prior to field start-up.
B. Unit Cabinet:
1. Unit cabinet shall be constructed of galvanized
steel, and shall be bonderized and coated with a

170

GUIDE SPECIFICATIONS — 581C024-060 (cont)
to maintain coating integrity and minimize corrosion potential between coil and pan.
F. Heating Section:
1. Induced-draft combustion type with energy saving
direct-spark ignition system and redundant main
gas valve.
2. Heat Exchanger:
a. The standard heat exchanger shall be of the
tubular-section type constructed of a minimum
of 20-gage steel coated with a nominal 1.2 mil
aluminum-silicone alloy for corrosion resistance.
b. The optional stainless steel heat exchanger
shall be of the tubular-section type, constructed
of a minimum of 20-gage type 409 stainless
steel.
3. Burners shall be of the in-shot type constructed of
aluminum-coated steel.
4. All gas piping shall enter the unit cabinet at a single
location on side of unit (horizontal plane).
5. The integrated gas controller (IGC) board shall
include gas heat operation fault notification using an
LED (light-emitting diode).
6. Unit shall be equipped with anti-cycle protection
with one short cycle on unit flame rollout switch or 4
continuous short cycles on the high-temperature
limit switch. Fault indication shall be made using an
LED.
7. The IGC board shall contain algorithms that modify
evaporator-fan operation to prevent future cycling
on high-temperature limit switch.
8. The LED shall be visible without removal of control
box access panel.
G. Refrigerant Components:

2. Testing:
a. Evaporator and condenser coils shall be qualified to UL 1995 burst test at 2,200 psi.
b. Evaporator and condenser coils shall be leak
tested to 150 psig and pressure tested to 400
psig.
3. Optional Coils:
a. Optional pre-coated aluminum-fin coils shall
have a durable epoxy-phenolic coating to provide protection in mildly corrosive coastal environments. Coating shall be applied to the
aluminum fin stock prior to the fin stamping process to create an inert barrier between the aluminum fin and copper tube. Epoxy-phenolic
barrier shall minimize galvanic action between
dissimilar metals.
b. Copper-fin coils shall be constructed of copper
fins mechanically bonded to copper tubes and
copper tube sheets. Galvanized steel tube
sheets shall not be acceptable. A polymer strip
shall prevent coil assembly from contacting the
sheet metal coil pan to minimize potential for
galvanic corrosion between coil and pan. All
copper construction shall provide protection in
moderate coastal environments.
c. E-Coated aluminum-fin coils shall have a flexible
epoxy polymer coating uniformly applied to all
coil surface areas without material bridging
between fins. Coating process shall ensure
complete coil encapsulation. Color shall be high
gloss black with gloss — 60 deg of 65 to 90%
per ASTM D523-89. Uniform dry film thickness
from 0.8 to 1.2 mil on all surface areas including
fin edges. Superior hardness characteristics of
2H per ASTM D3363-92A and cross-hatch
adhesion of 4B-5B per ASTM D3359-93. Impact
resistance shall be up to 160 in.-lb (ASTM
D2794-93). Humidity and water immersion resistance shall be up to minimum 1000 and 250
hours respectively (ASTM D2247-92 and ASTM
D870-92). Corrosion durability shall be confirmed through testing to be no less than 1000
hours salt spray per ASTM B117-90. Coil construction shall be aluminum fins mechanically
bonded to copper tubes.
d. E-Coated copper-fin coils shall have a flexible
epoxy polymer coating uniformly applied to all
coil surface areas without material bridging
between fins. Coating process shall ensure
complete coil encapsulation. Color shall be high
gloss black with gloss — 60 deg of 65 to 90%
per ASTM D523-89. Uniform dry film thickness
from 0.8 to 1.2 mil on all surface areas including
fin edges. Superior hardness characteristics of
2H per ASTM D3363-92A and cross-hatch
adhesion of 4B-5B per ASTM D3359-93. Impact
resistance shall be up to 160 in.-lb (ASTM
D2794-93). Humidity and water immersion resistance shall be up to minimum 1000 and 250
hours respectively (ASTM D2247-92 and ASTM
D870-92). Corrosion durability shall be confirmed through testing to be no less than 1000
hours salt spray per ASTM B117-90. Coil construction shall be copper fins mechanically
bonded to copper tubes with copper tube
sheets. Galvanized steel tube sheets shall not
be acceptable. A polymer strip shall prevent coil
assembly from contacting sheet metal coil pan

Refrigerant circuit components shall include:
1. Fixed orifice metering system (AcutrolTM device).
2. Refrigerant filter drier.
3. Service gage connections on suction, discharge,
and liquid lines.
H. Filter Section:
1. Standard filter section shall consist of factoryinstalled, low velocity, throwaway 2-in. thick fiberglass filters of commercially available sizes.
2. Filter face velocity shall not exceed 320 fpm at nominal airflows.
3. Filter section should use only one size filter.
4. Filters shall be accessible through an access panel
with “no-tool” removal.
I. Controls and Safeties:
1. Unit Controls:
Unit shall be complete with self-contained low-voltage control circuit protected by a fuse on the 24-v
transformer side.
2. Safeties:
a. a.Unit shall incorporate a solid-state compressor
protector which provides anti-cycle reset capability at the space thermostat, should any of the
following standard safety devices trip and shut
off compressor.
1) Compressor overtemperature, overcurrent.
2) Loss-of-charge/low-pressure switch.
3) Freeze-protection thermostat, evaporator
coil.
4) High-pressure switch.
5) Automatic reset motor thermal overload
protector.

171

GUIDE SPECIFICATIONS — 581C024-060 (cont)
f. EconoMi$er IV and EconoMi$er2 shall be
equipped with a barometric relief damper capable of relieving up to 100% return air.
g. Designed to close damper(s) during loss-ofpower situations with spring return built into
motor.
h. Dry bulb outdoor-air temperature sensor shall be
provided as standard. Outdoor air sensor set
point is adjustable and shall range from 40 to
100 F. For the EconoMi$er IV, the return air sensor, indoor enthalpy sensor, and outdoor
enthalpy sensor shall be provided as fieldinstalled accessories to provide enthalpy control,
differential enthalpy control, and differential dry
bulb temperature control. For the EconoMi$er2,
the enthalpy, differential temperature (adjustable), and differential enthalpy control shall be
provided as field-installed accessories.
i. The EconoMi$er IV and EconoMi$er2 shall have
a gear-driven parallel blade design.
j. EconoMi$er IV microprocessor control shall provide control of internal building pressure through
its accessory power exhaust function. Factory
set at 100%, with a range of 0% to 100%.
k. EconoMi$er2 shall be capable of control from a
4 to 20 mA signal through optional 4 to 20 mA
design without microprocessor control (required
for PremierLink™ or third party control interface).
l. EconoMi$er IV Microprocessor Occupied Minimum Damper Position Setting maintains the
minimum airflow into the building during occupied period providing design ventilation rate for
full occupancy (damper position during heating).
A remote potentiometer may be used to override
the set point.
m. EconoMi$er IV Microprocessor Unoccupied Minimum Damper Position Setting — The
EconoMi$er IV dampers shall be closed when
the unit is in the occupied mode.
n. EconoMi$er IV Microprocessor IAQ/DCV Maximum Damper Position Setting — Setting the
maximum position of the damper prevents the
introduction of large amounts of hot or cold air
into the space. This position is intended to satisfy the base minimum ventilation rate.
o. EconoMi$er IV Microprocessor IAQ/DCV control
modulates the outdoor-air damper to provide
ventilation based on the optional 2 to 10 vdc
CO2 sensor input.
p. Compressor lockout sensor (opens at 35 F,
closes at 50 F).
q. Actuator shall be direct coupled to economizer
gear, eliminating linkage arms and rods.
r. Control LEDs:
1) When the outdoor air damper is capable of
providing free cooling, the “Free Cool” LED
shall illuminate.
2) The IAQ LED indicates when the module is
on the DCV mode.
3) The EXH LED indicates when the exhaust
fan contact is closed.
s. Remote Minimum Position Control — A fieldinstalled accessory remote potentiometer allows
the outdoor air damper to be opened or closed
beyond the minimum position in the occupied
mode for modified ventilation.

The lockout protection shall be easily disconnected at the control board, if necessary.
b. Heating section shall be provided with the following minimum protections:
1) High-temperature limit switches.
2) Induced draft motor speed sensor.
3) Flame rollout switch.
4) Flame proving controls.
J. Operating Characteristics:
1. Unit shall be capable of starting and running at 125
F ambient outdoor temperature, meeting maximum
load criteria of ARI Standard 210/240 or 360 at +
10% voltage.
2. Compressor with standard controls shall be capable
of operation down to 25 F ambient outdoor temperature.
K. Electrical Requirements:
All unit power wiring shall enter unit cabinet at a single
factory-predrilled location.
L. Motors:
1. Compressor motors shall be cooled by refrigerant
gas passing through motor windings and shall have
line break thermal and current overload protection.
2. Evaporator-fan motor shall have permanently lubricated bearings and inherent automatic-reset thermal overload protection. Evaporator motors are
designed specifically for Carrier and do not have
conventional horsepower (HP) ratings listed on the
motor nameplate. Motors are designed and qualified in the “air-over” location downstream of the
cooling coil and carry a maximum continuous bhp
rating that is the maximum application bhp rating for
the motor; no “safety factors” above that rating may
be applied.
3. Totally enclosed condenser-fan motor shall have
permanently lubricated bearings, and inherent automatic-reset thermal overload protection.
4. Induced-draft motor shall have permanently lubricated sealed bearings and inherent automatic-reset
thermal overload protection.
M. Special Features:
Certain features are not applicable when the features
designated * are specified. For assistance in
amending the specifications, contact your local Bryant
Sales Office.
1. Roof Curbs (Horizontal and Vertical):
a. Formed galvanized steel with wood nailer strip
and shall be capable of supporting entire unit
weight.
b. Permits installation and securing of ductwork to
curb prior to mounting unit on the curb.
*2. Integrated Economizers:
a. Integrated integral modulating type capable of
simultaneous economizer and compressor operation.
b. Available as a factory-installed option in vertical
supply/return configuration only. (Available as a
field-installed accessory for dedicated horizontal
and/or vertical supply return configurations.)
c. Includes all hardware and controls to provide
cooling with outdoor air.
d. Equipped with low-leakage dampers, not to
exceed 2% leakage at 1 in. wg pressure differential.
e. Capable of introducing up to 100% outdoor air.

172

GUIDE SPECIFICATIONS — 581C024-060 (cont)
3. Manual Outdoor-Air Damper:
Manual damper package shall consist of damper,
birdscreen, and rainhood which can be preset to
admit up to 50% outdoor air for year round ventilation.
*4. 100% Two-Position Damper:
a. Two-position damper package shall include single blade damper and motor. Admits up to 100%
outdoor air.
b. Damper shall close upon indoor (evaporator) fan
shutoff.
c. Designed to close damper during loss of power
situations.
d. Equipped with 15% barometric relief damper.
5. 25% Two-Position Damper:
a. Two-position damper package shall include single blade damper and motor. Admits up to 25%
outdoor air.
b. Damper shall close upon indoor (evaporator) fan
shutoff.
*6. Head Pressure Control Package:
Consists of solid-state control and condenser-coil
temperature sensor to maintain condensing temperature between 90 F and 110 F at outdoor ambient
temperatures down to –20 F by condenser-fan
speed modulation or condenser-fan cycling and
wind baffles.
7. LP (Liquid Propane) Conversion Kit:
Package shall contain all the necessary hardware
and instructions to convert a standard natural gas
unit for use with liquefied propane (valid up to 2000
ft elevation).
*8. Electronic Programmable Thermostat:
Units shall be capable of using deluxe full-featured
electronic thermostat. Thermostat shall use built-in
compressor cycle delay control for both heating and
cooling duty. Thermostat shall be capable of working with Carrier direct digital controls.
9. Light Commercial Thermidistat™ Device:
Field-installed wall-mounted thermostat is used to
control temperature and activation of the dehumidification package. The Thermidistat device can be
set for humidity settings from 50% to 90% relative
humidity. Automatic humidity control adjusts indoor
humidity based on the outdoor temperature sensor.
*10. Flue Shield:
Flue shield shall provide protection from the hot
sides of the gas flue hood.
*11. Thermostat and Subbase:
Thermostat and subbase shall provide staged cooling and heating automatic (or manual) changeover,
fan control, and indicator light.
*12. Condenser Coil Hail Guard Assembly:
Hail guard shall protect against damage from hail
and flying debris.
13. Unit-Mounted, Non-Fused Disconnect Switch:
Switch shall be factory-installed, internally mounted.
NEC and UL approved non-fused switch shall provide unit power shutoff. Switch shall be accessible
from outside the unit and shall provide power off
lockout capability.
14. Convenience Outlet:
Outlet shall be factory-installed and internally
mounted with easily accessible 115-v female receptacle. Shall include 15 amp GFI receptacle with

15.

16.

17.

18.

19.

20.

21.

22.

173

independent fuse protection. Voltage required to
operate convenience outlet shall be provided by a
factory-installed step-down transformer powered
from the LOAD (RTU) side of the unit power supply.
Shall be accessible from outside the unit.
High-Static Indoor Fan Motor(s) and Drive(s) (004012):
High-static motor(s) and drive(s) shall be factoryinstalled to provide additional performance range.
Flue Discharge Deflector:
Flue discharge deflector directs unit exhaust vertically instead of horizontally.
Condenser Coil Grille:
The grille protects the condenser coil from damage
by large objects without increasing unit clearances.
Compressor Cycle Delay:
Unit shall be prevented from restarting for minimum
of 5 minutes after shutdown.
Thru-the-Bottom Utility Connectors:
Kit shall provide connectors to permit gas and electrical connections to be brought to the unit through
the basepan.
Fan/Filter Status Switch:
Switch shall provide status of indoor (evaporator)
fan (ON/OFF) or filter (CLEAN/DIRTY). Status shall
be displayed over communication bus when used
with direct digital controls or with an indicator light at
the thermostat.
Energy$Recycler™ Energy Recovery System:
The package shall be an outdoor rooftop, surface
mounted, electronically controlled, air-to-air heat
pump unit utilizing a hermetic compressor for cooling and heating duty.
The Energy$Recycler system shall recover energy
from building exhaust air and pre-condition ventilation air to allow higher ventilation requirements and
minimizing energy cost.
This option shall be available with the following:
a. A mounting kit for the Energy$Recycler device
for cantilever mounting off of the rooftop unit
with out the use of a slab or a roof curb.
b. A field-installed 460-v to 208/230-v transformer
to provide power when the 208-230/1/60 or 100
size Energy$Recycler device is used with a 460v rooftop unit.
c. A field-installed 575-v to 208/230-v transformer
to provide power when an Energy$Recycler
device is used with a 575-v unit.
Power Exhaust Accessory for EconoMi$er IV or
EconoMi$er2:
Power exhaust shall be used in conjunction with
EconoMi$er IV or EconoMi$er2 to provide system
exhaust of up to 100% of return air (vertical only).
The power exhaust is a field-installed accessory
(separate vertical and horizontal design).
NOTE: Horizontal power exhaust is intended to
mount in return ductwork.
As the outdoor-air damper opens and closes, both
propeller fans are energized and deenergized
through the EconoMi$er IV controller. The set point
is factory set at 100% of outdoor-air, and is adjustable 0 to 100% to meet specific job requirements.
Available in 208/230-1-60 v or 460-3-60 v. An LED
light on the controller indicates when the power
exhaust is operating.

GUIDE SPECIFICATIONS — 581C024-060 (cont)

23.

24.

581C024-060

25.

26.

27.

28.

29.

30.

light inhibits and kills mold, fungus and microbial
growth. The lamps have an output rating at 45F in
400 fpm airflow of 120 microwatts/cm2 at 1 meter.
31. Perfect Humidity™ Adaptive Dehumidification System:
a. The Perfect Humidity dehumidification system
shall be factory-installed in the rooftop unit, and
shall provide greater dehumidification of the
occupied space by two modes of dehumidification operations beside its normal design cooling
mode:
1) Subcooling mode further subcools the hot
liquid refrigerant leaving the condenser coil
when both temperature and humidity in the
space are not satisfied.
2) Hot gas reheat mode shall mix a portion of
the hot gas from the discharge of the compressor with the hot liquid refrigerant leaving the condenser coil to create a twophase heat transfer in the system, resulting
in a neutral leaving-air temperature when
only humidity in the space is not satisfied.
b. The system shall consist of a subcooling/ reheat
dehumidification coil located downstream of the
standard evaporator coil. This dehumidification
coil is a two-row coil on the 005 and 006 units,
and a one-row coil on 003 and 004 units.
c. The system shall include crankcase heater(s) for
the scroll compressor(s).
d. The system shall include a low outdoor air temperature switch to lock out both subcooling and
hot gas reheat mode when the outdoor-air temperature is below 40 F.
e. The system shall include a Motormaster® low
ambient control to ensure the normal design
cooling mode capable of down to 0° F low ambient operation.
f. The system shall include a low-pressure switch
on the suction line to ensure low pressure startup of hot gas reheat mode at lower outdoor temperature condition.
g. The system operation may be controlled by a
field-installed, wall-mounted humidistat. The
dehumidification circuit will then operate only
when needed. Field connections for the humidistat are made in the low-voltage compartment of
the unit control box. The sensor can be set for
any level between 55% and 80% relative humidity.
h. The system shall include a Thermal Expansion
Valve (TXV) to ensure a positive superheat condition and a balance of pressure drop.
32. Humidistat:
Field-installed, wall-mounted humidistat is used to
control activation of the dehumidification package.
The humidistat can be set for humidity levels
between 20% and 80% relative humidity.
33. Hinged Panel Option:
Hinged panel option provides hinged access panels
for the filter, compressor, evaporator fan, and control box areas. Filter hinged panels permit tool-less
entry for changing filters. Each hinged panel is permanently attached to the rooftop unit.

For the EconoMi$er2, the power exhaust shall be
controlled by the or third party controls.
Outdoor Air Enthalpy Sensor (EconoMi$er IV or
EconoMi$er2):
The outdoor air enthalpy sensor shall be used with
the EconoMi$er IV or EconoMi$er2 device to provide single enthalpy control. When used in conjunction with a return air enthalpy sensor, the
EconoMi$er IV or EconoMi$er2 device will provide
differential enthalpy control. The sensor allows the
EconoMi$er IV or EconoMi$er2 controller to determine if outside air is suitable for free cooling.
Return Air Enthalpy Sensor (EconoMi$er IV or
EconoMi$er2):
The return air enthalpy sensor shall be used with
the EconoMi$er IV or EconoMi$er2 device. When
used in conjunction with an outdoor air enthalpy
sensor, the EconoMi$er IV or EconoMi$er2 device
will provide differential enthalpy control.
Return Air Temperature Sensor (EconoMi$er IV or
EconoMi$er2):
The return air temperature sensor shall be used
with the EconoMi$er IV or EconoMi$er2 device.
When used in conjunction with the standard outdoor
air temperature sensor, the EconoMi$er IV or
EconoMi$er2 device will provide differential temperature control.
Indoor Air Quality (CO2) Sensor (EconoMi$er2):
a. Shall have the ability to provide demand ventilation indoor air quality (IAQ) control through the
EconoMi$er2 with an IAQ sensor.
b. The IAQ sensor shall be available in duct mount,
wall mount, and wall mount with LED display.
The set point shall have adjustment capability.
c. Requires EconoMi$er2, or Apollo control
options.
Indoor Air Quality (CO2) Room Sensor (EconoMi$er
IV):
Sensor shall have the ability to provide demand
ventilation control through the EconoMi$er IV. The
IAQ sensor shall be wall mounted with an LED display in parts per million. The set point shall have
adjustment capability.
Return Air CO2 Sensor (EconoMi$er IV):
Sensor shall have the ability to provide demand
ventilation control through the EconoMi$er IV. The
IAQ sensor shall be duct mounted. The set point
shall have adjustment capability.
Gas Heat options (sizes 036-060):
a. Single-stage gas heat shall be provided in lieu of
two-stage heat.
b. NOx reduction shall be provided to reduce
nitrous oxide emissions to meet the California
Air Quality Management NOx requirement of 40
nanograms/joule or less.
c. Primary tubes on low NOx units shall be 409
stainless steel. Other components shall be aluminized steel.
Ultraviolet Germicidal Lamps:
Ultraviolet germicidal lamps are designed to eliminate odor causing mold and fungus that may
develop in the wet area of the evaporator section of
the unit. The high output, low temperature germicidal lamps are field installed in the evaporator section of the unit, aimed at the evaporator coil and
condensate pan. The short wavelength ultraviolet

174

PHYSICAL DATA — 579F180-300
180
208/230, 460 v
15
1650
90
200

UNIT 579F
NOMINAL CAPACITY (tons)
OPERATING WEIGHT (lb)
Economizer
Roof Curb
COMPRESSOR
Quantity...Model (Ckt 1, Ckt 2)

Maximum Continuous Bhp

Fan Shaft Diameter at Pulley (in.)
Bhp
TXV

18
1800
90
200

20
1850
90
200

25
2000
90
200

1...SM120,
1...SM110
2
110,110
52/48

1...SM161,
1...SM120
2
112, 110
56/44

15-2
16-3
21-0
11-5
14-8
15-4
Cross-Hatched
Copper Tubes, Aluminum Lanced,
Aluminum Pre-Coated, or Copper Plate Fins
2...17
3...15
3...15
4...15
21.7
21.7
21.7
21.7
Propeller Type
10,400
9300
13,700
12,500
3...22
3...22
2...30
2...30
1/ ...1050
1/ ...1050
1...1075
1...1075
2
2
1100
1100
3400
3400
Cross-Hatched 3/8-in. Copper Tubes, Aluminum Lanced or
Copper Plate Fins, Face Split
2...17
3...15
3...15
4...15
17.5
17.5
17.5
17.5
Centrifugal Type
2...10 x 10
2...10 x 10
2...12 x 12
2...12 x 12
2...12 x 12
Belt
Belt
Belt
Belt
Belt
6000
6000
7200
8000
10,000
3.7
3.0
5
7.5
10
1725
1725
1745
1745
1740
8.7 [208/230, 575 v]
10.2 [208/230, 575 v]
4.25
3.45
5.90
9.5 [460 v]
11.8 [460 v]
56H
56H
184T
213T
215T
—
—
—
—
—
891-1179
1159-1429
910-1095
1002-1225
1066-1283
1227-1550
—
1069-1287
1193-1458
1332-1550
Ball
Ball
Ball
Ball
Ball
1550
1550
1550
1550
1550
3.1/4.1
4.3/5.3
4.9/5.9
5.4/6.6
4.9/5.9
3.7/4.7
—
4.9/5.9
5.4/6.6
4.9/5.9
7/
7/
11/8
13/8
13/8
8
8
6.0
6.4
9.4
9.4
8.0
5.2
—
8.0
7.9
6.4
13/16
13/16
17/16
17/16
17/16
1...BX...42
1...BX...45
1...BX...50
1...BX...54
2...BX...50
1...BX...42
—
1...BX...48
1...BX...50
2...BX...47
13.5-15.5
13.5-15.5
13.3-14.8
14.6-15.4
14.6-15.4
48
44
37
37
36
55
—
34
44
45

Low-Medium Static
High Static
Low-Medium Static
High Static
Low-Medium Static
High Static
Low-Medium Static
High Static
Low-Medium Static
High Static

Low-Medium Static
High Static

5
3.5
1035
1389
13/16

5
3.5
1296
—
13/16

LEGEND
— Brake Horsepower
— Thermostatic Expansion Valve

*Circuit 1 uses the lower portion of condenser coil and lower portion of evaporator coils; and Circuit 2 uses the upper portion of both coils.
†Rollout switch is manual reset.
**The 579F300 units requires 2-in. industrial-grade filters capable of handling face
velocities of up to 625 ft/min (such as American Air Filter no. 5700 or equivalent).
NOTE: The 579F units have a low-pressure switch (standard) located on the suction side.

175

5
3.5
1002
1178
17/16

5
3.5
1120
1328
17/16

5
3.5
1182
1470
17/16

579F180-300

Pulley Center Line Distance (in.)
Speed Change per Full Turn of
Movable Pulley Flange (rpm)
Movable Pulley Maximum Full Turns
From Closed Position
Factory Speed
Factory Speed Setting (rpm)

300

3/ -in.
8

Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR FAN
Quantity...Size (in.)
Type Drive
Nominal Cfm
Motor Hp
Motor Nominal Rpm

Nominal Fan Shaft Diameter (in.)
Belt, Quantity...Type...Length (in.)

240

10-13
10-5

Rows...Fins/in.
Total Face Area (sq ft)
CONDENSER FAN
Nominal Cfm
Quantity...Diameter (in.)
Motor Hp...Rpm
Watts Input (Total)
EVAPORATOR COIL

Motor Bearing Type
Maximum Allowable Rpm
Motor Pulley Pitch Diameter
Min/Max (in.)
Nominal Motor Shaft Diameter (in.)
Fan Pulley Pitch Diameter (in.)

216

Scroll
1...SM120,
1...SR*782AE
2
110, 72
60/40
R-22
TXV

2...SR*942AE
2
90, 90
50/50

Number of Refrigerant Circuits
Oil (oz) (Ckt 1, Ckt 2)
Stages of Capacity Control (%)
REFRIGERANT TYPE
Expansion Device
Operating Charge (lb-oz)
Circuit 1*
Circuit 2
CONDENSER COIL

Motor Frame Size
Nominal Rpm High/Low
Fan r/s Range

575 v

PHYSICAL DATA — 579F180-300 (cont)
UNIT 579F
FURNACE SECTION
Rollout Switch Cutout Temp (F)†
Burner Orifice Diameter (in. ...drill size)
Natural Gas
Thermostat Heat Anticipator Setting (amps)
208/230, 575
Stage 1
Stage 2
460 v
Stage 1
Stage 2
Gas Input
Stage 1
Stage 2
Efficiency (Steady State) (%)
Temperature Rise Range
Manifold Pressure (in. wg)
Natural Gas
Gas Valve Quantity
Field Gas Connection Size (in.-FPT)

180

216

240

300

190

190

190

190

0.1285...30/0.136...29

0.1285...30/0.136...29

0.1285...30/0.136...29

0.1285...30/0.136...29

0.98
0.44
0.80
0.44
172,000/225,000
230,000/300,000
81
15-45/20-50

0.98
0.44
0.80
0.44
206,000/270,000
275,000/360,000
81
15-45/20-50

0.98
0.44
0.80
0.44
206,000/270,000
275,000/360,000
81
15-45/20-50

0.98
0.44
0.80
0.44
206,000/270,000
275,000/360,000
81
15-45/20-50

3.3
1
3/
4

3.3
1
3/
4

3.3
1
3/
4

3.3
1
3/
4

HIGH-PRESSURE SWITCH (psig)
Cutout
Reset (Auto)
LOW-PRESSURE SWITCH (psig)
Cutout
Reset (Auto)
FREEZE PROTECTION THERMOSTAT (F)
Opens
Closes
OUTDOOR-AIR INLET SCREENS
Quantity...Size (in.)

426
320
27
44
30 ± 5
45 ± 5
Cleanable
2...20 x 25 x 1
1...20 x 20 x 1
Throwaway**
4...20 x 20 x 2
4...16 x 20 x 2
1/ Hp, 208/230-460 v Motor Direct Drive, Propeller-Fan (Factory-Wired for 460 v)
2

RETURN-AIR FILTERS
Quantity...Size (in.)
POWER EXHAUST

Bhp
TXV

†Rollout switch is manual reset.
**The 579F300 units requires 2-in. industrial-grade filters capable of handling face
velocities of up to 625 ft/min (such as American Air Filter no. 5700 or equivalent).
NOTE: The 579F units have a low-pressure switch (standard) located on the suction side.

LEGEND
— Brake Horsepower
— Thermostatic Expansion Valve

579F180-300

*Circuit 1 uses the lower portion of condenser coil and lower portion of evaporator coils; and Circuit 2 uses the upper portion of both coils.

OPERATING AND RIGGING WEIGHTS
UNIT
579F

180
lb
1650

kg
748

lb
1800

BASE UNIT OPERATING WEIGHTS*
216
240
kg
lb
816
1850

*Base unit weight does not include electric heaters, copper coils, economizer,
power exhaust, barometric relief or crating. See Options and Accessories table
below for more information.

300
kg
839

lb
2000

kg
907

NOTE: For 180 and 216 unit sizes add 75 lb (34 kg) for domestic crating. For 240
and 300 unit sizes add 135 lb (61 kg). For export crating add 500 lb (227 kg).

OPTIONS AND ACCESSORIES
(Weight Adders)
OPTION/
ACCESSORY
Barometric Relief Damper
Power Exhaust
EconoMi$er IV
Cu Condenser Coil
Cu Condenser and Evaporator Coils
Roof Curb (14-in. curb)
Horizontal Adapter Curb (Pre-Assembled)
Horizontal Adapter Curb (Field-Assembled)
Hail Guard

180
lb
50
85
90
150
280
200
250
343
60

kg
23
39
41
68
127
91
113
156
27

LEGEND
Cu — Copper

176

lb
50
85
90
150
280
200
250
343
60

OPTION/ACCESSORY WEIGHTS
216
240
kg
lb
23
50
39
85
41
90
68
150
127
280
91
200
113
250
156
343
27
60

300
kg
23
39
41
68
127
91
113
156
27

lb
50
85
90
150
280
200
250
343
60

kg
23
39
41
68
127
91
113
156
27

CORNER
B
Lb Kg
386 175
410 186

CORNER
C
Lb Kg
403 183
461 209

CORNER
DIM A
DIM B
DIM C
D
Lb Kg ft-in. mm ft-in. mm ft-in. mm
438 199 3-5 1041 3-5 1041 1-10 559
472 214 3-3 991 3-7 1092 1-8 508

Center of Gravity.

4.
Direction of airflow.
5. Ductwork to be attached to accessory roof curb only.
6. Minimum clearance:
• Rear: 7′-0″ (2134) for coil removal. This dimension can be reduced to
4′-0″ (1219) if conditions permit coil removal from the top.
• 4′-0″ (1219) to combustible surfaces, all four sides (includes between
units).
• Left side: 4′-0″ (1219) for proper condenser coil airflow.
• Front: 4′-0″ (1219) for control box access.
• Right side: 4′-0″ (1219) for proper operation of damper and power
exhaust if so equipped.
• Top: 6′-0″ (1829) to assure proper condenser fan operation.
• Bottom: 14″ (356) to combustible surfaces (when not using curb).
• Control box side: 3′-0″ (914) to ungrounded surfaces, non-combustible.
• Control box side: 3′-6″ (1067) to block or concrete walls, or other
grounded surfaces.
• Local codes or jurisdiction may prevail.
7. With the exception of clearance for the condenser coil and the damper/
power exhaust as stated in Note #6, a removable fence or barricade
requires no clearance.
8. Dimensions are from outside of corner post. Allow 0′-5/16″ (8) on each side
for top cover drip edge.
9. See drawing 50TJ500352 for service option details.

3.

NOTES:
1. Refer to print for roof curb accessory dimensions.
2. Dimensions in ( ) are in millimeters.

STD UNIT ECONOMIZER CORNER
WEIGHT
WEIGHT
A
Lb Kg
Lb
Kg
Lb Kg
1650 748 90
41
423 192
1800 816 90
41
432 196

579F180-300

180
216

UNIT
579F

BASE UNIT DIMENSIONS — 579F180,216

a48-7338

177

240
300

UNIT
579F

CORNER
B
Lb Kg
406 184
428 194

CORNER
C
Lb Kg
476 216
526 239

CORNER
DIM A
DIM B
DIM C
D
Lb Kg ft-in. mm ft-in. mm ft-in. mm
525 238 3-2 965 3-5 1041 1-8 508
574 260 3-2 965 3-5 1041 1-8 508

4.
Direction of airflow.
5. Ductwork to be attached to accessory roof curb only.
6. Minimum clearance:
• Rear: 7′-0″ (2134) for coil removal. This dimension can be reduced to
4′-0″ (1219) if conditions permit coil removal from the top.
• 4′-0″ (1219) to combustible surfaces, all four sides (includes between
units).
• Left side: 4′-0″ (1219) for proper condenser coil airflow.
• Front: 4′-0″ (1219) for control box access.
• Right side: 4′-0″ (1219) for proper operation of damper and power
exhaust if so equipped.
• Top: 6′-0″ (1829) to assure proper condenser fan operation.
• Bottom: 14″ (356) to combustible surfaces (when not using curb).
• Control box side: 3′-0″ (914) to ungrounded surfaces, non-combustible.
• Control box side: 3′-6″ (1067) to block or concrete walls, or other
grounded surfaces.
• Local codes or jurisdiction may prevail.
7. With the exception of clearance for the condenser coil and the damper/
power exhaust as stated in Note #6, a removable fence or barricade
requires no clearance.
8. Dimensions are from outside of corner post. Allow 0′-5/16″ (8) on each
side for top cover drip edge.
9. See drawing 50TJ500353 for service option details.

NOTES:
1. Refer to print for roof curb accessory dimensions.
2. Dimensions in ( ) are in millimeters.
3.
Center of Gravity.

STD UNIT ECONOMIZER CORNER
WEIGHT
WEIGHT
A
Lb Kg Lb
Kg
Lb Kg
1850 839 90
41
443 201
2000 907 90
41
471 214

579F180-300

BASE UNIT DIMENSIONS — 579F240,300

a48-7339

178

CRRFCURB010A00
CRRFCURB011A00
CRRFCURB012A00

a48-7928

179

CURB
HEIGHT
1′− 2″ (305)
2′- 0″ (610)
2′- 0″ (610)

Horizontal and Vertical Roof Curbs — 579F180-300

Standard Curb 14″ High
Standard Curb for Units Requiring High Installation
Side Supply and Return Curb for High Installation

DESCRIPTION

579F180-300

PKG. NO. REF.

ACCESSORY DIMENSIONS — 579F180-300

ACCESSORY DIMENSIONS — 579F180-300 (cont)

a48-7458

2" X 1/4
SUPPORT TYP.
STITCH WELDED

3 1/2"

FULLY INSULATED
SUPPLY PLENUM
1" INSULATION
1 1/2 # DENSITY,
STICK PINNED & GLUED

14 3/4"
6"

a48-7457
NOTE: CRRFCURB013A00 is a fully factory preassembled horizontal
adapter and includes an insulated transition duct. The pressure drop
through the adapter curb is negligible.
For horizontal return applications: The power exhaust and barometric
relief dampers must be installed in the return air duct.

579F180-300

23"

12" WIDE STANDING
SEAM PANELS

a48-7459
ACCESSORY
PACKAGE NO.
CRRFCURB013A00

CURB
HEIGHT
1′-11″
(584)

DESCRIPTION
Pre-Assembled, Roof Curb,
Horizontal Adapter

Horizontal Supply/Return Adapter Installation (579F180-300)

2'-1 5/8"

2'-2 1/16"

48-1169df

1'-6 5/16"

For horizontal return applications: The power exhaust
relief must be installed in the return air duct.

Barometric Relief/Power Exhaust

180

ACCESSORY DIMENSIONS (cont)

LEGEND
K.O. — Knockout
a48-4184

Factory-Installed Convenience Outlet

579F180-300

a48-4185

Factory-Installed Non-Fused Disconnect

181

SELECTION PROCEDURE (With 579F180 Example)
IV DETERMINE FAN SPEED AND POWER REQUIREMENTS AT DESIGN CONDITIONS.
Before entering the Fan Performance tables, calculate the
total static pressure required based on unit components.
From the given and the Accessory/FIOP Static Pressure
table on page 164 find:

I DETERMINE COOLING AND HEATING REQUIREMENTS AT DESIGN CONDITIONS.
Given:
Required Cooling Capacity . . . . . . . . . . . . . . 170,000 Btuh
Sensible Heat Capacity . . . . . . . . . . . . . . . . 111,000 Btuh
Required Heating Capacity. . . . . . . . . . . . . . 200,000 Btuh
Condenser Entering Air Temp. . . . . . . . . . .95 F (Summer)
Evaporator Entering Air Temp. . . . . . . . . . . . . . . 80 F edb,
67 F ewb
Evaporator Air Quantity . . . . . . . . . . . . . . . . . . . 4,500 cfm
External Static Pressure . . . . . . . . . . . . . . . . . . . 0.6 in. wg
Electrical Characteristics (V-Ph-Hz) . . . . . . . . . . 460-3-60
Vertical discharge unit with optional EconoMi$er IV
required.
edb — Entering dry-bulb
ewb — Entering wet-bulb
II SELECT UNIT BASED ON REQUIRED COOLING
CAPACITY.
Enter Cooling Capacities table for 579F180300 (page 152)
at condenser entering temperature 95 F, evaporator air
entering at 4,500 cfm and 67 F wb. The 579F180300 unit
will provide a total cooling capacity of 179,000 Btuh and a
sensible heating capacity of 117,000 Btuh. For air entering
evaporator at temperatures other than 80 F edb, calculate
sensible heat capacity correction as required using the formula in the notes following the Cooling Capacities tables.
NOTE: Unit ratings are gross capacities and do not
include the effect of evaporator-fan motor heat. To calculate net capacities, see Step V.
III SELECT HEATING CAPACITY OF UNIT TO PROVIDE
DESIGN CONDITION REQUIREMENTS.
In the ARI Heating Capacities and Efficiencies table
(page 12) note that the 579F180300 will provide an
output capacity of 243,000 Btuh, which is adequate for the
given application.

External static pressure
0.60 in. wg
EconoMi$er IV static pressure 0.04 in. wg
Total static pressure
0.64 in. wg
Enter the Fan Performance table 579F180300 (page 161)
at 4,500 cfm and 0.64 in. wg external static pressure. By
interpolation, find that the rpm is 1017 and the watts are
1743.
V DETERMINE NET COOLING CAPACITY.
Cooling capacities are gross capacities and do not include
indoor (evaporator) fan motor (IFM) heat. Use the watts
input power to the motor calculated in Section IV above.
IFM Watts = 1743
Determine net cooling capacity using the following
formula:
Net capacity = Gross capacity – IFM heat
= 179,000 Btuh – 1743 Watts
Btuh
(3.412
)
Watts
= 179,000 Btuh – 5947 Btuh
= 173,053 Btuh
Net sensible capacity = 117,000 Btuh – 5947 Btuh
= 111,053 Btuh
The calculations show that a 579F180300 unit with the
standard motor and standard low-medium static drive is
the correct selection for the given conditions.

182

PERFORMANCE DATA — 579F
COOLING CAPACITIES
579F180 (15 Tons)
Temp (F)
Air Entering
Condenser
(Edb)
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

75

85

95

105

115

117

120

Evaporator Air Quantity — Cfm
4500
54/0.48
—
—
—
159
159
13.7
154
154
15.3
149
149
16.9
144
144
18.6
143
143
18.9
141
141
19.5

58/0.32
168
152
12.4
164
148
13.8
159
142
15.4
154
137
17.0
145
142
18.6
143
142
19.0
141
141
19.5

62/0.22
177
142
12.6
171
139
14.1
165
136
15.5
158
133
17.1
152
130
18.9
150
129
19.2
148
128
19.8

67/0.20
192
123
13.0
186
120
14.4
179
117
15.9
172
114
17.6
165
111
19.3
163
110
19.7
161
109
20.2

5250
72/0.19
209
103
13.3
202
100
14.8
195
98
16.3
187
95
18.0
179
92
19.8
178
91
20.2
175
90
20.7

Evaporator Air — Ewb (F)/BF
76/0.24 80/0.04 54/0.54 58/0.39
225
240
171
171
85
69
171
150
13.6
13.9
12.5
12.6
219
233
166
172
83
66
166
151
15.5
15.4
13.9
14.0
210
226
161
164
80
64
161
155
16.7
17.3
15.5
15.5
201
216
156
156
78
61
156
156
18.4
18.7
17.2
17.1
193
207
150
151
75
58
150
151
20.2
20.6
18.9
18.9
191
205
149
149
74
57
149
149
20.5
20.9
19.2
19.2
—
—
147
148
—
—
147
148
—
—
19.8
19.8

62/0.25
182
151
12.7
175
148
14.1
169
145
15.7
162
142
17.2
156
137
19.0
154
136
19.4
152
135
19.9

67/0.23
197
130
13.1
190
127
14.5
183
124
16.0
176
121
17.7
168
118
19.5
167
117
19.8
164
116
20.4

72/0.21
214
108
13.4
207
105
14.9
199
102
16.5
191
99
18.1
183
96
19.9
181
96
20.3
179
95
20.8

76/0.23
229
88
13.7
222
86
15.2
214
83
16.8
205
81
18.5
196
78
20.3
194
77
20.7
—
—
—

80/0.04
246
69
14.0
237
67
15.5
229
64
17.1
222
62
19.1
210
58
20.7
208
58
21.0
—
—
—

72/0.25
221
116
13.5
213
113
15.1
205
111
16.6
197
108
18.3
188
104
20.1
186
104
20.4
—
—
—

76/0.25
236
93
13.9
228
91
15.3
220
88
17.0
211
85
18.6
201
82
20.5
199
82
20.8
—
—
—

80/0.03
253
70
14.1
247
68
16.3
235
65
17.3
225
62
18.9
215
59
20.8
—
—
—
—
—
—

579F180 (15 Tons) (cont)
Temp (F)
Air Entering
Condenser
(Edb)
75

85

95

105

115

117

120

BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

—
—
—
—
—
—
—
—

54/0.58
178
178
12.7
173
173
14.1
167
167
15.7
162
162
17.3
156
156
19.1
154
154
19.4
153
153
19.9

58/0.43
174
171
12.7
173
172
14.1
167
167
15.6
162
162
17.3
156
156
19.1
155
155
19.4
153
153
19.9

62/0.30
185
159
12.8
179
156
14.2
173
152
15.8
167
147
17.4
160
143
19.1
159
142
19.5
157
140
20.0

67/0.25
200
136
13.1
193
133
14.6
186
130
16.1
179
127
17.8
171
124
19.6
169
124
19.9
167
122
20.4

6750
72/0.23
218
112
13.5
210
109
15.0
203
106
16.6
194
104
18.2
186
101
20.0
184
100
20.4
181
99
20.9

Evaporator Air — Ewb (F)/BF
76/0.24 80/0.04 54/0.62 58/0.48
233
250
183
179
91
70
183
179
13.8
14.1
12.8
12.7
227
244
178
178
89
68
178
178
15.8
16.2
14.2
14.2
217
232
173
173
86
64
173
173
16.9
17.2
15.8
15.8
208
223
168
167
83
61
168
167
18.5
18.9
17.4
17.4
199
213
160
160
80
59
160
160
20.4
20.7
19.2
19.2
197
211
159
159
79
58
159
159
20.8
21.1
19.6
19.6
—
—
157
157
—
—
157
157
—
—
20.1
20.1

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
1.10 x cfm

tedb –

tlwb =

Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)

67/0.28
203
142
13.2
196
139
14.7
189
137
16.2
181
133
17.9
173
130
19.6
171
129
20.0
169
128
20.5

3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

tldb =

62/0.36
183
161
12.8
183
161
14.3
177
157
15.9
171
152
17.5
165
145
19.3
163
144
19.7
161
142
20.2

total capacity (Btuh)
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil

hlwb = hewb –

BYPASS
FACTOR
(BF)

79
81

0.05
0.10
0.20
0.30
0.40
0.50
0.60
0.70

1.04
0.98
0.87
0.76
0.65
0.55
0.44
0.33

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07
3.11
4.14
5.18
1.96
2.94
3.92
4.91
1.74
2.62
3.49
4.36
1.53
2.29
3.05
3.82
Use formula
shown below.
1.31
1.96
2.62
3.27
1.09
0.87
0.65

1.64
1.31
0.98

2.18
1.74
1.31

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

183

2.73
2.18
1.64

579F180-300

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

Evaporator Air Quantity — Cfm
6000

PERFORMANCE DATA — 579F (cont)
COOLING CAPACITIES (cont)
579F180 (15 Tons) (cont)
Temp (F)
Air Entering
Condenser
(Edb)
75

85

95

105

115

117

120

BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

—
—
—
—
—
—
—
—

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

54/0.65
188
188
12.9
183
183
14.4
177
177
15.9
171
171
17.6
164
164
19.4
163
163
19.7
161
161
20.2

58/0.52
183
183
12.8
183
183
14.4
177
177
15.9
171
171
17.6
164
164
19.4
163
163
19.7
161
161
20.3

Evaporator Air Quantity — Cfm
7500
Evaporator Air — Ewb (F)/BF
62/0.41
67/0.30
72/0.28
193
206
223
170
148
120
13.0
13.2
13.6
187
199
215
167
145
117
14.4
14.7
15.1
181
191
207
161
142
114
16.0
16.3
16.7
175
183
199
154
138
111
17.7
18.0
18.4
169
175
190
146
135
108
19.5
19.7
20.2
167
173
188
145
134
107
19.9
20.0
20.5
165
170
—
143
133
—
20.4
20.6
—

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

sensible capacity (Btuh)
1.10 x cfm

tedb –

tlwb =

Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)

80/0.03
256
70
14.2
249
68
16.3
237
65
17.3
228
62
19.0
217
59
20.9
—
—
—
—
—
—

3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
tldb =

76/0.27
239
95
13.9
233
94
15.9
222
90
17.0
213
87
18.7
203
84
20.5
201
84
20.9
—
—
—

total capacity (Btuh)
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil

hlwb = hewb –

BYPASS
FACTOR
(BF)

79
81

0.05
0.10
0.20
0.30
0.40
0.50
0.60
0.70

1.04
0.98
0.87
0.76
0.65
0.55
0.44
0.33

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07
3.11
4.14
5.18
1.96
2.94
3.92
4.91
1.74
2.62
3.49
4.36
1.53
2.29
3.05
3.82
Use formula
shown below.
1.31
1.96
2.62
3.27
1.09
0.87
0.65

1.64
1.31
0.98

2.18
1.74
1.31

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

184

2.73
2.18
1.64

PERFORMANCE DATA — 579F (cont)
COOLING CAPACITIES (cont)
579F216 (18 Tons)
Temp (F)
Air Entering
Condenser
(Edb)
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

75

85

95

105

115

117

120

Evaporator Air Quantity — Cfm
5400
54/0.49
194
194
13.6
189
189
15.1
183
183
16.8
177
177
18.6
171
171
20.5
170
170
20.9
168
168
21.5

58/0.31
198
178
13.7
192
176
15.2
184
181
16.8
178
178
18.6
171
171
20.5
170
170
20.9
168
168
21.5

62/0.20
206
169
13.9
200
166
15.4
193
162
17.1
185
159
18.8
177
154
20.7
176
154
21.1
173
152
21.7

67/0.18
223
146
14.2
217
143
15.9
209
140
17.6
201
137
19.3
192
133
21.2
191
132
21.6
188
131
22.2

6000
72/0.16
243
121
14.6
235
118
16.3
227
115
18.0
218
112
19.8
209
109
21.8
207
108
22.1
204
107
22.7

Evaporator Air — Ewb (F)/BF
76/0.19 80/0.05 54/0.53 58/0.35
260
277
200
203
99
79
200
191
15.0
15.2
13.7
13.8
252
269
195
195
97
76
195
195
16.6
16.9
15.3
15.3
243
—
189
190
94
—
189
190
18.4
—
17.0
17.0
234
—
183
185
91
—
183
185
20.2
—
18.8
18.6
224
—
176
177
88
—
176
177
22.1
—
20.7
20.7
222
—
175
175
87
—
175
175
22.5
—
21.1
21.1
—
—
173
173
—
—
173
173
—
—
21.7
21.7

62/0.23
210
177
14.0
204
174
15.7
196
170
17.2
189
166
18.9
181
161
20.8
180
160
21.2
177
159
21.8

67/0.19
227
152
14.4
220
149
16.0
212
146
17.6
204
143
19.4
195
139
21.3
193
138
21.7
191
137
22.3

72/0.17
246
125
14.7
239
123
16.4
230
120
18.1
221
116
19.9
212
113
21.8
210
112
22.2
207
111
22.8

76/0.19
263
102
15.1
255
100
16.8
246
97
18.5
237
94
20.3
226
90
22.2
224
90
22.6
—
—
—

80/0.05
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

72/0.22
255
138
15.0
247
135
16.6
238
132
18.3
228
128
20.1
218
125
22.1
216
124
22.5
—
—
—

76/0.21
272
109
15.3
263
107
17.0
254
104
18.7
244
100
20.6
—
—
—
—
—
—
—
—
—

80/0.04
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

579F216 (18 Tons) (cont)
Temp (F)
Air Entering
Condenser
(Edb)
75

85

95

105

115

117

120

BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

—
—
—
—
—
—
—
—

54/0.58
209
209
13.9
203
203
15.5
197
197
17.2
191
191
19.0
184
184
21.0
183
183
21.3
180
180
21.9

58/0.42
209
209
13.9
204
204
15.5
197
197
17.2
191
191
19.0
184
184
21.0
183
183
21.4
180
180
22.0

62/0.29
215
189
14.1
209
185
15.7
202
180
17.4
195
175
19.2
188
168
21.1
187
166
21.5
185
163
22.1

67/0.21
232
162
14.5
224
159
16.1
216
156
17.8
208
152
19.5
199
149
21.5
197
148
21.8
194
147
22.4

8000
72/0.20
251
132
14.9
243
129
16.5
235
126
18.2
225
123
20.0
215
119
22.0
214
118
22.4
210
117
23.0

Evaporator Air — Ewb (F)/BF
76/0.20 80/0.05 54/0.62 58/0.48
268
—
216
217
106
—
216
217
15.2
—
14.1
14.1
260
—
211
211
103
—
211
211
16.9
—
15.7
15.7
251
—
204
204
100
—
204
204
18.7
—
17.4
17.4
241
—
197
197
97
—
197
197
20.5
—
19.2
19.2
230
—
190
190
94
—
190
190
22.4
—
21.1
21.1
228
—
188
188
93
—
188
188
22.7
—
21.5
21.5
—
—
186
186
—
—
186
186
—
—
22.1
22.1

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
1.10 x cfm

tedb –

tlwb =

Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)

67/0.23
236
171
14.5
228
168
16.2
220
165
17.9
211
161
19.6
202
158
21.6
200
157
22.0
197
156
22.5

3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

tldb =

62/0.36
221
198
14.2
215
192
15.8
209
185
17.6
202
177
19.3
194
170
21.2
192
171
21.7
190
172
22.2

total capacity (Btuh)
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil

hlwb = hewb –

BYPASS
FACTOR
(BF)

79
81

0.05
0.10
0.20
0.30
0.40
0.50
0.60
0.70

1.04
0.98
0.87
0.76
0.65
0.55
0.44
0.33

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07
3.11
4.14
5.18
1.96
2.94
3.92
4.91
1.74
2.62
3.49
4.36
1.53
2.29
3.05
3.82
Use formula
shown below.
1.31
1.96
2.62
3.27
1.09
0.87
0.65

1.64
1.31
0.98

2.18
1.74
1.31

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

185

2.73
2.18
1.64

579F180-300

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

Evaporator Air Quantity — Cfm
7000

PERFORMANCE DATA — 579F (cont)
COOLING CAPACITIES (cont)
579F216 (18 Tons) (cont)
Temp (F)
Air Entering
Condenser
(Edb)
75

85

95

105

115

117

120

BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

—
—
—
—
—
—
—
—

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

54/0.65
223
223
14.3
216
216
15.8
210
210
17.6
202
202
19.4
195
195
21.3
193
193
21.7
191
191
22.3

58/0.53
223
223
14.3
217
217
15.9
210
210
17.6
202
202
19.4
195
195
21.3
193
193
21.7
191
191
22.3

Evaporator Air Quantity — Cfm
9000
Evaporator Air — Ewb (F)/BF
62/0.40
67/0.25
72/0.23
228
239
258
202
181
144
14.4
14.6
15.0
222
231
250
194
177
141
16.0
16.3
16.7
215
223
241
187
174
138
17.7
18.0
18.4
207
214
231
184
170
134
19.5
19.7
20.2
196
204
221
192
166
131
21.4
21.7
22.2
194
202
219
192
166
130
21.7
22.0
22.6
191
199
—
191
164
—
22.3
22.6
—

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

sensible capacity (Btuh)
1.10 x cfm

tedb –

tlwb =

Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)

80/0.05
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
tldb =

76/0.23
275
113
15.4
266
110
17.1
257
107
18.8
—
—
—
—
—
—
—
—
—
—
—
—

total capacity (Btuh)
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil

hlwb = hewb –

BYPASS
FACTOR
(BF)

79
81

0.05
0.10
0.20
0.30
0.40
0.50
0.60
0.70

1.04
0.98
0.87
0.76
0.65
0.55
0.44
0.33

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07
3.11
4.14
5.18
1.96
2.94
3.92
4.91
1.74
2.62
3.49
4.36
1.53
2.29
3.05
3.82
Use formula
shown below.
1.31
1.96
2.62
3.27
1.09
0.87
0.65

1.64
1.31
0.98

2.18
1.74
1.31

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

186

2.73
2.18
1.64

PERFORMANCE DATA — 579F (cont)
COOLING CAPACITIES (cont)
579F240 (20 Tons)
Temp (F)
Air Entering
Condenser
(Edb)
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

75

85

95

105

115

117

120

Evaporator Air Quantity — Cfm
6,000
54/0.48
217
217
15.1
212
212
16.9
206
206
18.9
199
199
20.8
192
192
23.0
191
191
23.5
189
189
24.2

58/0.31
222
199
15.2
217
194
17.2
208
197
18.8
202
190
20.9
194
192
22.9
191
191
23.5
189
189
24.2

62/0.21
232
189
15.4
226
185
17.3
217
181
19.0
209
177
21.1
200
173
23.3
199
172
23.7
196
170
24.4

67/0.19
252
163
15.8
244
159
17.6
236
156
19.5
227
152
21.6
218
149
23.8
216
148
24.2
213
147
25.0

7,000
72/0.17
274
136
16.2
266
133
18.0
257
129
20.0
247
126
22.0
237
122
24.3
235
121
24.8
232
120
25.5

Evaporator Air — Ewb (F)/BF
76/0.22 80/0.05 54/0.54 58/0.37
294
316
227
231
112
90
227
217
16.6
17.0
15.3
15.4
285
306
222
225
109
87
222
211
18.4
18.8
17.1
17.3
276
295
215
216
106
84
215
213
20.4
20.8
19.0
19.0
265
285
208
209
103
80
208
209
22.5
22.9
21.0
21.0
254
—
202
202
99
—
202
202
24.8
—
23.2
23.2
252
—
200
200
99
—
200
200
25.2
—
23.8
23.8
249
—
197
198
98
—
197
198
25.9
—
24.5
24.5

62/0.25
238
202
15.5
231
198
17.3
223
194
19.2
215
189
21.2
207
183
23.5
205
182
23.9
203
181
24.6

67/0.21
254
172
15.9
250
170
17.7
241
166
19.6
232
163
21.7
222
159
23.9
220
158
24.4
217
156
25.1

72/0.19
281
143
16.4
272
140
18.2
262
136
20.1
252
132
22.2
242
129
24.5
240
128
24.9
236
127
25.6

76/0.21
297
115
16.5
291
113
18.6
281
110
20.5
270
107
22.6
259
103
24.9
257
102
25.3
—
—
—

80/0.04
322
91
17.2
312
88
19.0
301
84
21.0
—
—
—
—
—
—
—
—
—
—
—
—

72/0.23
290
155
16.6
281
152
18.4
270
148
20.3
260
145
22.4
249
141
24.7
246
140
25.1
243
139
25.8

76/0.23
307
123
16.7
300
121
18.8
289
117
20.8
278
114
22.8
266
110
25.1
263
109
25.6
—
—
—

80/0.04
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

579F240 (20 Tons) (cont)
Temp (F)
Air Entering
Condenser
(Edb)
75

85

95

105

115

117

120

BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

—
—
—
—
—
—
—
—

54/0.58
236
236
15.5
231
231
17.5
223
223
19.2
216
216
21.3
208
208
23.5
207
207
24.0
204
204
24.7

58/0.43
238
232
15.5
230
230
17.3
223
223
19.2
216
216
21.3
209
209
23.5
207
207
24.0
205
205
24.7

62/0.30
241
211
15.6
237
209
17.4
229
203
19.3
221
197
21.4
213
190
23.7
212
188
24.1
209
185
24.8

67/0.23
259
181
15.9
254
179
17.8
245
176
19.8
236
172
21.8
226
168
24.0
224
167
24.5
221
166
25.2

9,000
72/0.21
286
149
16.5
276
146
18.3
267
142
20.2
256
139
22.3
246
135
24.6
243
134
25.0
240
133
25.7

Evaporator Air — Ewb (F)/BF
76/0.22 80/0.04 54/0.62 58/0.48
302
328
244
244
119
91
244
244
16.6
17.3
15.7
15.7
296
—
237
238
117
—
237
238
18.7
—
17.5
17.6
285
—
231
230
114
—
231
230
20.6
—
19.5
19.4
274
—
222
223
110
—
222
223
22.7
—
21.4
21.5
263
—
214
214
107
—
214
214
25.0
—
23.7
23.7
260
—
213
213
106
—
213
213
25.5
—
24.2
24.2
—
—
210
210
—
—
210
210
—
—
24.9
24.9

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
1.10 x cfm

tedb –

tlwb =

Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)

67/0.24
267
192
16.1
258
189
18.0
249
185
19.8
239
181
21.9
229
177
24.2
227
176
24.6
224
175
25.3

3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

tldb =

62/0.35
250
222
15.8
243
216
17.6
235
209
19.5
228
202
21.6
220
193
23.9
219
191
24.2
215
193
25.0

total capacity (Btuh)
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil

hlwb = hewb –

BYPASS
FACTOR
(BF)

79
81

0.05
0.10
0.20
0.30
0.40
0.50
0.60
0.70

1.04
0.98
0.87
0.76
0.65
0.55
0.44
0.33

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07
3.11
4.14
5.18
1.96
2.94
3.92
4.91
1.74
2.62
3.49
4.36
1.53
2.29
3.05
3.82
Use formula
shown below.
1.31
1.96
2.62
3.27
1.09
0.87
0.65

1.64
1.31
0.98

2.18
1.74
1.31

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

187

2.73
2.18
1.64

579F180-300

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

Evaporator Air Quantity — Cfm
8,000

PERFORMANCE DATA — 579F (cont)
COOLING CAPACITIES (cont)
579F240 (20 Tons) (cont)
Temp (F)
Air Entering
Condenser
(Edb)
75

85

95

105

115

117

120

BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

—
—
—
—
—
—
—
—

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

54/0.65
250
250
15.8
243
243
17.6
236
236
19.5
228
228
21.6
220
220
23.9
218
218
24.3
215
215
25.1

58/0.52
250
250
15.8
244
244
17.8
236
236
19.5
228
228
21.6
220
220
23.9
218
218
24.3
215
215
25.1

Evaporator Air Quantity — Cfm
10,000
Evaporator Air — Ewb (F)/BF
62/0.40
67/0.26
72/0.24
256
267
294
227
200
161
15.9
16.1
16.7
249
262
284
220
198
158
17.7
18.0
18.5
241
252
274
212
194
154
19.7
19.9
20.4
234
242
263
203
190
151
21.8
22.0
22.5
223
232
251
207
186
147
23.9
24.2
24.7
221
230
249
205
185
146
24.4
24.7
25.2
218
226
245
203
183
145
25.1
25.4
25.9

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

sensible capacity (Btuh)
1.10 x cfm

tedb –

tlwb =

Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)

80/0.04
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
tldb =

76/0.24
314
127
17.1
303
124
18.9
292
121
20.9
281
117
22.9
268
113
25.2
266
112
25.6
—
—
—

total capacity (Btuh)
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil

hlwb = hewb –

BYPASS
FACTOR
(BF)

79
81

0.05
0.10
0.20
0.30
0.40
0.50
0.60
0.70

1.04
0.98
0.87
0.76
0.65
0.55
0.44
0.33

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07
3.11
4.14
5.18
1.96
2.94
3.92
4.91
1.74
2.62
3.49
4.36
1.53
2.29
3.05
3.82
Use formula
shown below.
1.31
1.96
2.62
3.27
1.09
0.87
0.65

1.64
1.31
0.98

2.18
1.74
1.31

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

188

2.73
2.18
1.64

PERFORMANCE DATA — 579F (cont)
COOLING CAPACITIES (cont)
579F300 (25 Tons)
Temp (F)
Air Entering
Condenser
(Edb)
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

75

85

95

105

115

117

120

Evaporator Air Quantity — Cfm
7,000
54/0.44
—
—
—
249
249
21.3
244
244
23.6
237
237
25.9
229
229
28.6
228
228
29.1
226
226
30.0

58/0.26
256
243
19.3
251
238
21.3
245
230
23.5
238
233
25.9
231
225
28.6
230
225
29.1
226
225
30.0

62/0.13
270
229
20.0
265
226
21.7
257
223
24.1
247
218
26.3
237
213
28.9
236
212
29.4
232
211
30.3

67/0.12
298
198
20.3
289
194
22.4
279
190
24.6
269
185
27.0
258
181
29.6
256
180
30.2
252
179
30.9

8,000
72/0.12
325
164
21.0
315
160
23.1
306
156
25.6
293
152
27.8
283
148
30.3
279
147
31.0
276
145
31.8

Evaporator Air — Ewb (F)/BF
76/0.19 80/0.01 54/0.49 58/0.32
349
370
266
268
133
106
266
251
21.6
22.2
19.5
19.6
340
361
260
262
130
103
260
254
24.3
24.4
21.6
21.6
328
349
254
256
127
99
254
249
26.2
26.7
23.8
23.9
315
336
246
247
122
95
246
245
28.5
29.2
26.3
26.3
302
322
238
239
119
91
238
239
31.2
31.9
28.9
28.9
299
—
237
237
118
—
237
237
31.7
—
29.4
29.5
—
—
234
234
—
—
234
234
—
—
30.3
30.3

62/0.15
280
246
19.9
272
243
22.0
262
238
24.1
253
233
26.5
243
228
29.1
241
227
29.6
238
225
30.5

67/0.14
304
209
20.5
294
205
22.5
284
201
24.8
274
197
27.2
264
193
29.7
260
192
30.4
257
190
31.1

72/0.13
324
168
20.9
321
167
23.3
310
163
25.5
298
159
28.0
286
155
30.6
283
154
31.2
280
152
32.0

76/0.17
352
137
21.8
344
135
23.9
332
131
26.2
319
127
28.7
306
123
31.4
304
122
31.9
—
—
—

80/0.00
379
107
22.4
367
104
24.6
355
100
26.9
343
96
29.5
328
91
32.1
—
—
—
—
—
—

72/0.15
341
186
21.5
330
182
23.6
319
177
25.8
306
173
28.3
293
168
30.9
291
168
31.4
—
—
—

76/0.17
365
147
22.1
354
143
24.2
341
139
26.5
328
135
29.0
315
131
31.7
—
—
—
—
—
—

80/0.00
390
108
22.7
378
105
24.9
364
101
27.2
352
97
29.8
—
—
—
—
—
—
—
—
—

579F300 (25 Tons) (cont)
Temp (F)
Air Entering
Condenser
(Edb)
75

85

95

105

115

117

120

BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

—
—
—
—
—
—
—
—

54/0.53
277
277
19.8
271
271
22.2
263
263
24.1
255
255
26.5
247
247
29.1
244
244
29.7
241
241
30.6

58/0.37
276
269
19.5
272
264
21.9
263
263
24.1
255
255
26.5
246
246
29.2
244
244
29.7
242
242
30.6

62/0.18
286
261
20.0
277
257
22.1
268
251
24.3
258
246
26.6
249
239
29.3
247
237
29.8
244
235
30.7

67/0.15
310
221
20.6
300
217
22.7
289
213
24.9
278
208
27.3
267
204
30.0
265
203
30.4
261
201
31.3

10,000
72/0.14
336
178
21.3
326
175
23.4
316
171
25.9
302
166
28.1
290
162
30.8
288
161
31.3
—
—
—

Evaporator Air — Ewb (F)/BF
76/0.17 80/0.00 54/0.57 58/0.41
361
385
286
284
142
108
286
284
22.0
22.6
20.0
20.2
349
373
278
278
139
104
278
278
24.1
24.8
22.1
22.1
337
360
270
270
135
100
270
270
26.4
27.1
24.4
24.4
326
346
261
262
132
96
261
262
29.0
29.6
26.8
26.8
311
—
253
253
127
—
253
253
31.5
—
29.3
29.3
308
—
251
251
126
—
251
251
32.1
—
30.0
30.0
—
—
248
248
—
—
248
248
—
—
30.8
30.8

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
1.10 x cfm

tedb –

tlwb =

Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)

67/0.16
314
232
20.8
304
228
22.8
293
223
25.1
282
219
27.5
270
214
30.1
268
213
30.6
264
212
31.5

3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

tldb =

62/0.23
291
274
20.2
282
269
22.2
273
262
24.4
264
254
26.9
255
245
29.6
253
243
30.0
250
239
31.0

total capacity (Btuh)
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil

hlwb = hewb –

BYPASS
FACTOR
(BF)

79
81

0.05
0.10
0.20
0.30
0.40
0.50
0.60
0.70

1.04
0.98
0.87
0.76
0.65
0.55
0.44
0.33

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07
3.11
4.14
5.18
1.96
2.94
3.92
4.91
1.74
2.62
3.49
4.36
1.53
2.29
3.05
3.82
Use formula
shown below.
1.31
1.96
2.62
3.27
1.09
0.87
0.65

1.64
1.31
0.98

2.18
1.74
1.31

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

189

2.73
2.18
1.64

579F180-300

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

Evaporator Air Quantity — Cfm
9,000

PERFORMANCE DATA — 579F (cont)
COOLING CAPACITIES (cont)
579F300 (25 Tons) (cont)
Temp (F)
Air Entering
Condenser
(Edb)
75

85

95

105

115

117

120

BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

—
—
—
—
—
—
—
—

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

54/0.61
295
295
20.3
288
288
22.5
278
278
24.6
269
269
27.0
259
259
29.7
257
257
30.3
254
254
31.1

58/0.47
295
295
20.3
287
287
22.4
278
278
24.6
269
269
27.0
260
260
29.6
257
257
30.3
254
254
31.1

Evaporator Air Quantity — Cfm
11,250
Evaporator Air — Ewb (F)/BF
62/0.30
67/0.16
72/0.17
298
319
342
285
245
193
20.4
20.9
21.2
289
310
334
278
241
190
22.4
23.1
23.7
280
318
323
269
150
186
24.7
30.0
26.0
272
285
310
259
232
182
27.1
27.6
28.4
262
273
297
247
227
177
29.8
30.2
31.1
261
271
294
245
226
176
30.3
30.7
31.6
257
267
—
242
224
—
31.3
31.6
—

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

sensible capacity (Btuh)
1.10 x cfm

tedb –

tlwb =

Wet-bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)

80/0.00
392
108
21.9
384
106
25.3
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
tldb =

76/0.17
367
151
21.5
359
148
24.4
346
144
26.7
332
140
29.1
318
136
31.8
—
—
—
—
—
—

total capacity (Btuh)
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil

hlwb = hewb –

BYPASS
FACTOR
(BF)

79
81

0.05
0.10
0.20
0.30
0.40
0.50
0.60
0.70

1.04
0.98
0.87
0.76
0.65
0.55
0.44
0.33

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07
3.11
4.14
5.18
1.96
2.94
3.92
4.91
1.74
2.62
3.49
4.36
1.53
2.29
3.05
3.82
Use formula
shown below.
1.31
1.96
2.62
3.27
1.09
0.87
0.65

1.64
1.31
0.98

2.18
1.74
1.31

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

190

2.73
2.18
1.64

PERFORMANCE DATA — 579F (cont)
FAN PERFORMANCE — 579F180-300 UNITS
579F180230 (15 TONS) *
Airflow
(Cfm)
4500
4800
5100
5400
5700
6000
6300
6600
6900
7200
7500

Rpm
809
850
892
934
976
1019
1063
1106
1150
—
—

0.2
Bhp
1.53
1.76
2.01
2.28
2.58
2.90
3.24
3.61
4.00
—
—

Watts
1317
1516
1733
1970
2225
2500
2795
3111
3448
—
—

Rpm
906
942
979
1017
1056
1096
1136
1177
1218
—
—

0.4
Bhp
1.74
1.98
2.24
2.52
2.82
3.14
3.49
3.86
4.26
—
—

Rpm
1369
1390
1413
1437
1463
—
—
—
—
—
—

1.6
Bhp
3.11
3.37
3.66
3.96
4.29
—
—
—
—
—
—

Watts
1502
1706
1928
2169
2429
2709
3008
3329
3670
—
—

Available External Static Pressure (in. wg)
0.6
0.8
Rpm
Bhp Watts Rpm
Bhp Watts
994
1.96
1690
1078
2.18
1882
1027
2.20
1899
1107
2.43
2094
1061
2.46
2125
1138
2.70
2325
1096
2.75
2371
1170
2.99
2575
1132
3.06
2635
1204
3.30
2843
1168
3.38
2919
1238
3.63
3131
1206
3.74
3223
1273
3.99
3439
1244
4.11
3547
1309
4.37
3767
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1156
1183
1211
1241
1272
1304
1337
—
—
—
—

1.0
Bhp
2.41
2.66
2.93
3.22
3.54
3.88
4.24
—
—
—
—

Watts
2077
2293
2528
2781
3053
3345
3657
—
—
—
—

Rpm
1497
1515
1535
—
—
—
—
—
—
—
—

2.0
Bhp
3.60
3.87
4.16
—
—
—
—
—
—
—
—

Watts
3103
3334
3584
—
—
—
—
—
—
—
—

Rpm
1230
1255
1281
1309
1338
1368
—
—
—
—
—

1.2
Bhp
2.64
2.89
3.17
3.47
3.79
4.13
—
—
—
—
—

Watts
2275
2495
2733
2990
3266
3562
—
—
—
—
—

579F180230 (15 TONS)* (cont)
Airflow
(Cfm)
4500
4800
5100
5400
5700
6000
6300
6600
6900
7200
7500

Rpm
1301
1324
1349
1374
1402
—
—
—
—
—
—

1.4
Bhp
2.87
3.13
3.41
3.71
4.04
—
—
—
—
—
—

Watts
2477
2700
2942
3202
3481
—
—
—
—
—
—

Available External Static Pressure (in. wg)
1.8
Watts Rpm
Bhp Watts Rpm
2683
1434
3.35
2891
1497
2909
1454
3.62
3120
1515
3153
1475
3.90
3367
1535
3416
1498
4.21
3633
—
3699
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.9
Bhp
3.47
3.74
4.03
—
—
—
—
—
—
—
—

Watts
2997
3226
3475
—
—
—
—
—
—
—
—

Refer to page 194 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is 4.25 (208/230 v and 460 v) or 3.45 (575 v)
and the maximum continuous watts are 3775 (208/230 v and 460 v) or 3065
(575 v). Do not adjust motor rpm such that motor maximum bhp and/or watts is
exceeded at the maximum operating cfm.

LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Standard low-medium static drive range is 891 to 1179 rpm (208/230 v and
460 v) or 1159 to 1429 (575 v). Alternate high-static drive range is 1227 to 1550
(208/230 v and 460 v only). Other rpms require a field-supplied drive.

Airflow
(Cfm)
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
755
810
866
923
980
1038
1096
1154
1213
1272

0.2
Bhp
2.27
2.72
3.22
3.78
4.39
5.06
5.78
6.56
7.40
8.30

Watts
1908
2287
2710
3177
3690
4251
4859
5517
6224
6983

Rpm
831
881
932
985
1038
1093
1148
1204
1260
1317

0.4
Bhp
2.58
3.04
3.55
4.11
4.73
5.40
6.13
6.92
7.77
8.67

Watts
2171
2556
2985
3458
3976
4542
5156
5818
6531
7294

Available External Static Pressure (in. wg)
0.6
0.8
Rpm
Bhp Watts Rpm
Bhp Watts
901
2.91
2443
968
3.24
2723
947
3.37
2833
1010
3.71
3116
994
3.88
3266
1054
4.23
3554
1044
4.45
3744
1100
4.80
4036
1094
5.07
4267
1148
5.43
4564
1146
5.75
4838
1197
6.11
5138
1198
6.49
5456
1247
6.85
5761
1251
7.28
6123
1298
7.65
6432
1306
8.13
6840
1350
8.51
7154
1360
9.05
7608
1403
9.43
7926

Rpm
1031
1070
1111
1155
1200
1246
1294
1343
1394
1445

1.0
Bhp
3.58
4.05
4.57
5.15
5.78
6.47
7.22
8.02
8.88
9.81

Watts
3009
3406
3847
4333
4864
5443
6070
6745
7471
8247

Rpm
1309
1337
1368
1402
1437
1475
1514
—
—
—

2.0
Bhp
5.39
5.87
6.41
7.00
7.65
8.36
9.12
—
—
—

Watts
4533
4939
5391
5890
6435
7300
7670
—
—
—

Rpm
1091
1127
1166
1207
1250
1294
1340
1388
1436
1486

1.2
Bhp
3.93
4.40
4.93
5.51
6.15
6.84
7.59
8.40
9.26
10.19

Watts
3302
3702
4146
4635
5170
5752
6382
7062
7791
8570

579F216275 AND 240275 (18 AND 20 TONS)* (cont)
Airflow
(Cfm)
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
1149
1183
1219
1258
1299
1341
1385
1431
1478
—

1.4
Bhp
4.28
4.76
5.29
5.88
6.52
7.21
7.97
8.78
9.65
—

Watts
3602
4003
4450
4942
5480
6065
6699
7382
8114
—

Rpm
1204
1236
1270
1307
1346
1387
1429
1473
1519
—

1.6
Bhp
4.65
5.13
5.66
6.25
6.89
7.59
8.35
9.15
10.04
—

Available External Static Pressure (in. wg)
1.8
Watts Rpm
Bhp Watts Rpm
3907
1258
5.02
4217
1284
4310
1288
5.50
4622
1313
4759
1320
6.03
5073
1344
5253
1355
6.62
5569
1378
5794
1392
7.27
6113
1415
6383
1392
7.97
6704
1453
7019
1472
8.73
7343
1493
7705
1515
9.55
8032
1535
8441
—
—
—
—
—
—
—
—
—

1.9
Bhp
5.20
5.68
6.22
6.81
7.46
8.16
8.93
9.75
—
—

Watts
4375
4780
5232
5729
6273
6866
7506
8196
—
—

Refer to page 194 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp for the 216 size is 5.90. Maximum continuous
bhp for the 240 size is 8.70 (208/230 and 575 v) or 9.50 (460 v). The maximum
continuous watts for the 216 size is 5180. The maximum continuous watts for the
240 size is 7915 (208/230 and 575 v) or 8640 (460 v). Do not adjust motor rpm
such that motor maximum bhp and/or watts is exceeded at the maximum operating cfm.

LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Standard low-medium static drive range for the 216 size is 910 to 1095 rpm.
Standard low-medium static drive range for the 240 size is 1002 to 1225 rpm.
Alternate high-static drive range for the 216 size is 1069 to 1287. Alternate highstatic drive range for the 240 size is 1193 to 1458 rpm. Other rpms require a fieldsupplied drive.

191

579F180-300

579F216275 AND 240275 (18 AND 20 TONS) *

PERFORMANCE DATA — 579F (cont)
FAN PERFORMANCE — 579F180-300 UNITS (cont)
579F300275 (25 TONS) *
Airflow
(Cfm)
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,250

Rpm
941
999
1058
1117
1177
1237
1297
1358
1418
1449

0.2
Bhp
3.35
4.05
4.85
5.74
6.75
7.98
9.12
10.49
12.00
12.80

Watts
2,769
3,348
4,007
4,750
5,583
6,511
7,450
8,674
9,919
10,585

Rpm
1002
1057
1113
1169
1226
1284
1342
1400
1459
—

0.4
Bhp
3.80
4.53
5.35
6.28
7.31
8.46
9.74
11.14
12.67
—

Watts
3,140
3,742
4,424
5,190
6,047
6,999
8,051
9,209
10,478
—

Available External Static Pressure (in. wg)
0.6
0.8
Rpm
Bhp Watts Rpm
Bhp Watts
1061
4.27 3528
1117
4.76
3,934
1112
5.02 4152
1166
5.54
4,579
1165
5.87 4856
1216
6.41
5,304
1219
6.83 5645
1268
7.40
6,114
1274
7.89 6524
1320
8.48
7,015
1329
9.07 7499
1374
9.69
8,012
1385 10.37 8574
1428 11.02
9,110
1442 11.80 9755
1483 12.47 10,314
—
—
—
—
—
—
—
—
—
—
—
—

579F300275 (25 TONS) * (cont)
Available External Static Pressure (in. wg)
Airflow
1.4
1.6
(Cfm)
Rpm
Bhp Watts Rpm
Bhp Watts Rpm
7,000
1274
6.35 5248
1323
6.92
5,718 1371
7,500
1316
7.20 6960
1364
7.79
6,437 1410
8,000
1360
8.14 6734
1406
8.76
7,239 1450
8,500
1406
9.20 7605
1449
9.83
8,129 1492
9,000
1453 10.36 8568
1495 11.02
9,111 1536
9,500
1501 11.64 9627
1541 12.32 10,190
—
10,000
—
—
—
—
—
—
—
10,500
—
—
—
—
—
—
—
11,000
—
—
—
—
—
—
—
11,250
—
—
—
—
—
—
—

1.8
Bhp
5.54
6.41
7.40
8.48
9.69
—
—
—
—
—

Rpm
1171
1218
1266
1315
1365
1417
1469
1523
—
—

1.0
Bhp
5.27
6.07
6.97
7.98
9.09
10.33
11.68
13.16
—
—

Watts
4,356
5,216
5,766
6,597
7,520
8,538
9,657
10,883
—
—

Rpm
1224
1268
1314
1361
1410
1459
1510
—
—
—

1.2
Bhp
5.80
6.63
7.55
8.58
9.72
10.98
12.36
—
—
—

Watts
4,794
5,478
6,243
7,094
8,037
9,076
10,217
—
—
—

Watts
6204
6939
7759
8666
9667
—
—
—
—
—
Refer to page 194 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is 10.20 (208/230 and 575 v) or 11.80 (460 v)
and the maximum continuous watts are 9510 (208/230 and 575 v) or 11,000
(460 v). Do not adjust motor rpm such that motor maximum bhp and/or watts is
exceeded at the maximum operating cfm.

LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Standard low-medium static drive range is 1066 to 1283 rpm. Alternate highstatic drive range is 1332 to 1550. Other rpms require a field-supplied drive.

579F180300 (15 TONS)*
Airflow
(Cfm)
4500
4800
5100
5400
5700
6000
6300
6600
6900
7200
7500

Rpm
819
861
904
947
990
1034
1078
1123
1167
—
—

0.2
Bhp
1.55
1.78
2.04
2.32
2.62
2.94
3.29
3.67
4.06
—
—

Watts
1335
1538
1759
1999
2259
2539
2840
3161
3504
—
—

Rpm
914
951
989
1300
1068
1109
1150
1192
1234
—
—

0.4
Bhp
1.76
2.00
2.26
2.55
2.85
3.18
3.54
3.91
4.32
—
—

Rpm
1371
1393
1417
1442
1468
—
—
—
—
—
—

1.6
Bhp
3.12
3.38
3.67
3.98
4.31
—
—
—
—
—
—

Watts
1518
1726
1952
2197
2461
2745
3050
3376
3723
—
—

Available External Static Pressure (in. wg)
0.6
0.8
Rpm
Bhp Watts Rpm
Bhp Watts
1001
1.98
1705
1083
2.20
1894
1035
2.22
1916
1113
2.45
2110
1069
2.49
2147
1145
2.72
2345
1105
2.78
2396
1179
3.01
2598
1142
3.09
2665
1213
3.33
2871
1180
3.42
2953
1248
3.67
3163
1218
3.78
3262
1284
4.03
3476
1258
4.16
3592
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1160
1188
1218
1248
1280
1313
1348
—
—
—
—

1.0
Bhp
2.42
2.68
2.95
3.25
3.57
3.91
4.28
—
—
—
—

Watts
2088
2307
2545
2802
3079
3375
3692
—
—
—
—

Rpm
1497
1517
1537
—
—
—
—
—
—
—
—

2.0
Bhp
3.60
3.87
4.16
—
—
—
—
—
—
—
—

Watts
3104
3338
3592
—
—
—
—
—
—
—
—

Rpm
1234
1259
1287
1315
1345
1376
—
—
—
—
—

1.2
Bhp
2.65
2.91
3.17
3.49
3.81
4.16
—
—
—
—
—

Watts
2284
2507
2749
3009
3289
3589
—
—
—
—
—

579F180300 (15 TONS) * (cont)
Airflow
(Cfm)
4500
4800
5100
5400
5700
6000
6300
6600
6900
7200
7500

Rpm
1304
1327
1353
1380
1408
—
—
—
—
—
—

1.4
Bhp
2.88
3.14
3.43
3.73
4.06
—
—
—
—
—
—

Watts
2484
2711
2955
3219
3503
—
—
—
—
—
—

Available External Static Pressure (in. wg)
1.8
Watts Rpm
Bhp Watts Rpm
2688
1435
3.36
2895
1467
2917
1456
3.62
3126
1486
3165
1478
3.92
3377
1508
3432
1502
4.23
3646
1531
3718
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.9
Bhp
3.48
3.75
4.04
4.35
—
—
—
—
—
—
—

Watts
2999
3232
3484
3755
—
—
—
—
—
—
—

Refer to page 194 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is 4.25 (208/230 v and 460 v) or 3.45 (575 v)
and the maximum continuous watts are 3775 (208/230 v and 460 v) or 3065
(575 v). Do not adjust motor rpm such that motor maximum bhp and/or watts is
exceeded at the maximum operating cfm.

LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Standard low-medium static drive range is 891 to 1179 rpm (208/230 v and
460 v) or 1159 to 1429 (575 v). Alternate high-static drive range is 1227 to 1550
(208/230 v and 460 v only). Other rpms require a field-supplied drive.

192

PERFORMANCE DATA — 579F (cont)
FAN PERFORMANCE — 579F180-300 UNITS (cont)
579F216360 and 240360 (18 AND 20 TONS) *
Airflow
(Cfm)
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
795
854
914
975
1037
1099
1161
1223
1286
1349

0.2
Bhp
2.43
2.92
3.46
4.06
4.72
5.44
6.22
7.07
7.98
8.95

Watts
2043
2452
2909
3414
3969
4575
5232
5943
6708
7528

Rpm
866
921
977
1034
1092
1150
1210
1270
1331
1392

0.4
Bhp
2.74
3.24
3.79
4.39
5.06
5.79
6.57
7.43
8.34
9.32

Watts
2306
2722
3184
3695
4255
4866
5529
6245
7014
7839

Available External Static Pressure (in. wg)
0.6
0.8
Rpm
Bhp Watts Rpm
Bhp Watts
934
3.07
2578
998
3.40 2856
984
3.57
3998
1044
3.90 3281
1036
4.12
3465
1093
4.46 3752
1090
4.73
3981
1144
5.08 4272
1145
5.41
4546
1196
5.76 4842
1201
6.14
5162
1249
6.50 5462
1258
6.93
5829
1304
7.29 6134
1315
7.79
6550
1360
8.16 6869
1374
8.71
7324
1416
9.08 7638
1433
9.70
8154
1473 10.07 8471

Rpm
1059
1102
1148
1196
1256
1297
1349
1403
1457
—

1.0
Bhp
3.74
4.25
4.81
5.43
6.12
6.86
7.66
8.53
9.46
—

Watts
3142
3570
4045
4569
5142
5766
6443
7171
7954
—

Rpm
1329
1361
1396
1434
1474
1516
—
—
—
—

2.0
Bhp
5.54
6.06
6.64
7.28
7.98
8.74
—
—
—
—

Watts
4629
5097
5584
6121
6709
7348
—
—
—
—

Rpm
1117
1158
1201
1246
1294
1343
1393
1445
1498
—

1.2
Bhp
4.08
4.60
5.16
5.79
6.48
7.22
8.03
8.90
9.84
—

Watts
3434
3865
4343
4870
5447
6075
6755
7487
8274
—

579F216360 and 240360 (18 AND 20 TONS) * (cont)
Airflow
(Cfm)
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
1173
1211
1252
1295
1340
1388
1436
1486
1538
—

1.4
Bhp
4.44
4.95
5.53
6.16
6.85
7.60
8.41
9.28
10.22
—

Watts
3732
4165
4646
5176
5756
6388
7071
7807
8597
—

Rpm
1227
1263
1302
1343
1386
1431
1478
1527
—
—

1.6
Bhp
4.80
5.32
5.89
6.52
7.22
7.97
8.79
9.67
—
—

Available External Static Pressure (in. wg)
1.8
Watts Rpm
Bhp Watts Rpm
4036
1279
5.17
4345
1304
4471
1313
5.69
4782
1337
4954
1350
6.26
5267
1373
5487
1389
6.90
5802
1412
6070
1431
7.60
6387
1452
6704
1474
8.35
7240
1495
7390
1520
9.17
7713
1540
8130
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.9
Bhp
5.35
5.87
6.56
7.09
7.79
8.54
9.37
—
—
—

Watts
4502
4939
5425
5961
6547
7186
7876
—
—
—

Refer to this page for general Fan Performance Data notes.
NOTE: Maximum continuous bhp for the 216 size is 5.90. Maximum continuous
bhp for the 240 size is 8.70 (208/230 and 575 v) or 9.50 (460 v). The maximum
continuous watts for the 216 size is 5180. The maximum continuous watts for the
240 size is 7915 (208/230 and 575 v) or 8640 (460 v). Do not adjust motor rpm
such that motor maximum bhp and/or watts is exceeded at the maximum operating cfm.

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor
*Standard low-medium static drive range for the 216 size is 910 to 1095 rpm.
Standard low-medium static drive range for the 240 size is 1002 to 1225 rpm.
Alternate high-static drive range for the 216 size is 1069 to 1287. Alternate highstatic drive range for the 240 size is 1193 to 1458 rpm. Other rpms require a fieldsupplied drive.

Airflow
(Cfm)
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,250

Rpm
992
1055
1118
1182
1246
1310
1374
1439
1503
1536

0.2
Bhp
4.05
4.77
5.58
6.46
7.42
8.47
9.61
10.84
12.17
12.86

Watts
3,348
3,947
4,610
5,339
6,136
7,005
7,947
8,964
10,059
10,636

Rpm
1051
1110
1170
1231
1292
1354
1416
1479
1542
—

0.4
Bhp
4.44
5.17
5.99
6.88
7.86
8.92
10.07
11.32
12.65
—

Watts
3,668
4,277
4,950
5,690
6,498
7,377
8,329
9,356
10,460
—

Available External Static Pressure (in. wg)
0.6
0.8
Rpm
Bhp Watts Rpm
Bhp Watts
1106
4.83 3995
1160
5.24 4331
1162
5.58 4615
1214
6.00 4960
1220
6.41 5298
1268
6.84 5653
1278
7.31 6047
1324
7.75 6411
1337
8.30 6865
1381
8.75 7239
1397
9.38 7754
1439
9.84 8137
1457 10.54 8715
1497 11.02 9107
1518 11.79 9752
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

579F300360 (25 TONS) * (cont)
Available External Static Pressure (in. wg)
Airflow
1.4
1.6
(Cfm)
Rpm
Bhp Watts Rpm
Bhp Watts Rpm
7,000
1311
6.51 5385
1359
6.96 5751
1405
7,500
1358
7.30 6039
1403
7.76 6412
1448
8,000
1406
8.17 6767
1560
8.63 7137
1492
8,500
1456
9.12 7541
1498
9.59 7929
1539
9,000
1507 10.15 8393
1548 10.63 8790
—
9,500
—
—
—
—
—
—
—
10,000
—
—
—
—
—
—
—
10,500
—
—
—
—
—
—
—
11,000
—
—
—
—
—
—
—
11,250
—
—
—
—
—
—
—

1.8
Bhp
6.00
6.84
7.75
8.75
—
—
—
—
—
—

Rpm
1212
1263
1315
1369
1424
1480
1537
—
—
—

1.0
Bhp
5.65
6.43
7.27
8.20
9.21
10.31
11.50
—
—
—

Watts
4675
5312
6014
6782
7618
8525
9504
—
—
—

Rpm
1262
1311
1361
1413
1466
1520
—
—
—
—

1.2
Bhp
6.08
6.86
7.72
8.66
9.68
10.79
—
—
—
—

Watts
5026
5672
6382
7158
8003
8918
—
—
—
—

Watts
6124
6792
7524
8323
—
—
—
—
—
—
Refer to this page for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is 10.20 (208/230 and 575 v) or 11.80 (460 v)
and the maximum continuous watts are 9510 (208/230 and 575 v) or 11,000
(460 v). Do not adjust motor rpm such that motor maximum bhp and/or watts is
exceeded at the maximum operating cfm.

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor
*Standard low-medium static drive range is 1066 to 1283 rpm. Alternate highstatic drive range is 1332 to 1550. Other rpms require a field-supplied drive.

GENERAL NOTES FOR FAN PERFORMANCE DATA TABLES
4. Extensive motor and drive testing on these units ensures that the full horsepower and watts range of the motor can be utilized with confidence. Using
fan motors up to the watts or bhp rating shown will not result in nuisance
tripping or premature motor failure. Unit warranty will not be affected.
5. Use of a field-supplied motor may affect wire sizing. Contact your Bryant
representative for details.

1. Static pressure losses (i.e., EconoMi$er IV) must be added to external static
pressure before entering Fan Performance table.
2. Interpolation is permissible. Do not extrapolate.
3. Fan performance is based on wet coils, clean filters, and casing losses. See
Accessory/FIOP Static Pressure table on page 193.

193

579F180-300

579F300360 (25 TONS) *

PERFORMANCE DATA — 579F (cont)

a50-4028

Fan Performance Using Accessory Power Exhaust (579F180-300)

ALTITUDE COMPENSATION* —
579F180-300
ELEVATION
(ft)
0-3,000
3,000- 7,000
7,000- 9,000
9,000-10,000
above 10,000

ALTITUDE DERATING FACTOR*
ELEVATION (ft)

NATURAL GAS ORIFICE SIZE†
Low Heat
High Heat
30
29
31
30
32
31
33
31
35
32

0-2,000
2,001-3,000
3,001-4,000
4,001-5,000
5,001-6,000

MAXIMUM HEATING VALUE
(Btu/ft3)
1,100
1,050
1,000
950
900

*Derating of the unit is not required unless the heating value of the gas
exceeds the values listed in the table above, or if the elevation
exceeds 6000 ft. Derating conditions must be 4% per thousand ft
above 2000 ft. For example, at 4000 ft, if the heating value of the gas
exceeds 1000 Btu/ft3, the unit will require a 16% derating. For elevations above 6000 ft, the same formula applies. For example, at 7000 ft,
the unit will require a 28% derating of the maximum heating value per
the National Fuel Gas Code.
IMPORTANT: Local utility companies may be reducing heat content of
gas at altitudes above 2000 ft. If this is being done, then changing
spuds may not be required.

*Includes a 4% input reduction per each 1,000 feet.
†Orifices available through your Bryant distributor.

194

PERFORMANCE DATA — 579F (cont)
ALTITUDE COMPENSATION — 579F180-300
(LP Gas Units)
LIQUID PROPANE ORIFICE SIZE
Low Heat and High Heat
36
37
38
38
39
40
41
41
42
43

ELEVATION
(ft)
0-2,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
10,000

OUTDOOR SOUND POWER
UNIT
579F
180
216
240
300

SOUND
RATING
(60 Hz)
88 dB
88 dB
95 dB
95 dB

OCTAVE BANDS

A-WEIGHTED
(dB)

63

125

250

500

1000

2000

4000

8000

87.8
87.8
94.1
94.1

90.8
90.8
98.7
98.7

88.7
88.7
92.3
92.3

86.4
86.4
93.8
93.8

84.3
84.3
90.9
90.9

83.5
83.5
89.6
89.6

78.4
78.4
85.9
85.9

75.6
75.6
80.3
80.3

66.8
66.8
74.3
74.3

10,000
0.120

11,250
0.140

NOTE: Indoor sound power is available in Bryant’s Electronic Catalog program (ECAT) for specific operating parameters.

ACCESSORY/FIOP STATIC PRESSURE (in. wg)* — 579F180-300
4500
0.040

EconoMi$er IV and EconoMi$er2

5000
0.050

5400
0.060

6000
0.070

CFM
7200
0.090

7500
0.100

9000
0.110

LEGEND
FIOP — Factory-Installed Option
*The static pressure must be added to external static pressure. The sum and the evaporator entering-air cfm
should then be used in conjunction with the Fan Performance tables to determine blower rpm and watts.

FAN RPM AT MOTOR PULLEY SETTINGS*
UNIT
579F

0

1/

180† (208/230 and 460-v)
180**
180† (575-v)
216†
216**
240†
240**
300†
300**

††
††
††
††
††
††
††
††
††

††
††
††
††
††
††
††
††
††

2

1

11/2

2

1179
1559
1429
1095
1287
1225
1458
1283
—

1150
1522
1403
1077
1265
1209
1434
1269
—

1121
1488
1376
1058
1243
1187
1407
1247
1551

MOTOR PULLEY TURNS OPEN
21/2
3
31/2
4
1093
1455
1349
1040
1222
1165
1381
1225
1524

*Approximate fan rpm shown.
†Indicates standard drive package.
**Indicates alternate drive package.
††Due to belt and pulley size, pulley cannot be set to this number of turns open.

195

1064
1422
1323
1021
1200
1143
1354
1203
1497

1035
1389
1296
1002
1178
1120
1328
1182
1470

1006
1356
1269
984
1156
1098
1301
1160
1443

41/2

5

51/2

6

978
1323
1242
965
1134
1076
1275
1138
1415

949
1289
1215
947
1112
1053
1248
1116
1388

920
1256
1188
928
1091
1031
1222
1095
1361

891
1227
1159
910
1069
1002
1193
1066
1332

579F180-300

COMPONENT

PERFORMANCE DATA — 579F (cont)
EVAPORATOR-FAN MOTOR DATA
UNIT
579F

180

216

240

300

UNIT
VOLTAGE
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575

MAXIMUM
ACCEPTABLE
CONTINUOUS
BHP*
4.25
4.25
3.45

MAXIMUM
ACCEPTABLE
CONTINUOUS
BkW*
3.17
3.17
2.59

MAXIMUM
ACCEPTABLE
OPERATING
WATTS
3,775
3,775
3,065

5.90

4.40

5,180

8.70
9.50
8.70
10.20
11.80
10.20

6.49
7.08
6.49
7.61
8.80
7.61

7,915
8,640
7,915
9,510
11,000
9,510

LEGEND
BHP — Brake Horsepower
BkW — Brake Kilowatts
*Extensive motor and electrical testing on these units ensures that the full horsepower (brake kilowatt) range
of the motors can be utilized with confidence. Using fan motors up to the horsepower (brake kilowatt) ratings
shown in this table will not result in nuisance tripping or premature motor failure. Unit warranty will not be
affected.
NOTE: All indoor-fan motors 5 hp and larger meet the minimum efficiency requirements as established by the
Energy Policy Act of 1992 (EPACT) effective October 24, 1997.

EVAPORATOR-FAN MOTOR EFFICIENCY
UNIT
579F
180 (3.0 Hp)
180 (3.7 Hp)
216 (5 Hp)
240 (7.5 Hp)
300 (10 Hp)

MOTOR EFFICIENCY
(%)
81.7
85.8
87.5
88.5
89.5

NOTE: All indoor-fan motors 5 hp and larger meet the minimum efficiency requirements as established by the Energy Policy Act of 1992
(EPACT) effective October 24, 1997.

196

MAXIMUM
AMP DRAW
10.5
4.8
3.9
15.8
7.9
6.0
22.0
13.0
10.0
28.0
14.6
13.0

ELECTRICAL DATA
UNIT
579F

NOMINAL
VOLTAGE
(3 Ph, 60 Hz)

Min

Max

COMPRESSOR
No. 1
No. 2
RLA LRA RLA LRA

208/230

187

253

28.8

195

28.8

460

414

508

14.7

95

575

518

633

10.8

208/230

187

253

460

414

575

180
(15 Tons)

216
(18 Tons)

240
(20 Tons)

300
(25 Tons)

VOLTAGE
RANGE

OFM
Qty

Hp

FLA (ea)

Hp

FLA

195

3

0.5

1.7

3.7

10.5/11.0

14.7

95

3

0.5

0.8

3.7

4.8

80

10.8

80

3

0.5

0.8

3.0

3.9

30.1

225

28.8

195

3

0.5

1.7

5.0

15.8/15.8

508

15.5

114

14.7

95

3

0.5

0.8

5.0

7.9

518

633

12.1

80

10.8

80

3

0.5

0.8

5.0

6.0

208/230

187

253

37.8

239

30.1

225

2

1

6.6

7.5

25.0/25.0

460

414

508

17.2

125

15.5

114

2

1

3.3

7.5

13.0

575

518

633

12.4

80

12.1

80

2

1

3.4

7.5

10.0

208/230

187

253

41.0

350

37.8

239

2

1

6.6

10.0

28.0/28.0

460

414

508

21.8

158

17.2

125

2

1

3.3

10.0

14.6

575

518

633

17.3

125

12.4

80

2

1

3.4

10.0

13.0

FLA
—
4.6
—
2.3
—
2.1
—
4.6
—
2.3
—
2.1
—
4.6
—
2.3
—
2.1
—
4.6
—
2.3
—
2.1

Full Load Amps
Heating, Air Conditioning and Refrigeration
Indoor (Evaporator) Fan Motor
Locked Rotor Amps
Minimum Circuit Amps
Maximum Overcurrent Protection
National Electrical Code
Outdoor (Condenser) Fan Motor
Rated Load Amps

LRA
—
18.8
—
6.0
—
4.8
—
18.8
—
6.0
—
4.8
—
18.8
—
6.0
—
4.8
—
18.8
—
6.0
—
4.8

FLA
0.57
0.57
0.30
0.30
0.57
0.57
0.57
0.57
0.30
0.30
0.57
0.57
0.57
0.57
0.30
0.30
0.57
0.57
0.57
0.57
0.30
0.30
0.57
0.57

POWER
SUPPLY
MCA
81/81
85/86
40
43
30
32
87/87
92/92
44
47
34
36
116/116
120/120
57
59
44
46
130/130
135/135
66
68
54
56

MOCP*
100/100
110/110
50
50
40
40
110/110
110/110
50
60
40
40
150/150
150/150
70
70
50
50
150/150
175/175
80
80
70
70

AB = 452 v
BC = 464 v
AC = 455 v

1371
3
= 457
Determine maximum deviation from average voltage.
(AB) 457 – 452 = 5 v
(BC) 464 – 457 = 7 v
(AC) 457 – 455 = 2 v
Maximum deviation is 7 v.
Determine percent voltage imbalance.
=

% Voltage Imbalance = 100 x

7
457

= 1.53%

NOTES:
1. In compliance with NEC requirements for multimotor and combination load
equipment (refer to NEC Articles 430 and 440), the overcurrent protective
device for the unit shall be fuse or HACR breaker. Canadian units may be
fuse or circuit breaker.
2. Unbalanced 3-Phase Supply Voltage
Never operate a motor where a phase imbalance in supply voltage is
greater than 2%. Use the following formula to determine the percent voltage
imbalance.
% Voltage Imbalance

This amount of phase imbalance is satisfactory as it is below the maximum
allowable 2%.
IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact your local electric utility company immediately.

max voltage deviation from average voltage
average voltage

197

579F180-300

Average Voltage = 452 + 464 + 455
3

*Fuse or HACR circuit breaker.

= 100 x

COMBUSTION
FAN MOTOR

EXAMPLE: Supply voltage is 460-3-60.

LEGEND

FLA —
HACR —
IFM —
LRA —
MCA —
MOCP —
NEC —
OFM —
RLA —

POWER
EXHAUST

IFM

TYPICAL WIRING SCHEMATICS — 579F
(579F240, 208/230 V Shown)

a48-7929

198

TYPICAL WIRING SCHEMATICS — 579F
(579F240, 208/230 V Shown) (cont)

LEGEND AND NOTES
LEGEND
AHA
BKR W/AT
C
CB
CC
CLO
COMP
CR
CT
DM
DU
EQUIP
FPT
FU
GND
HPS
HS
HV
I
IDM
IFC

—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Adjustable Heat Anticipator
Breaker with Amp Turns
Contactor, Compressor
Circuit Breaker
Cooling Compensator
Compressor Lockout
Compressor Motor
Control Relay
Control Transformer
Damper Motor
Dummy Terminal
Equipment
Freeze Protection Thermostat
Fuse
Ground
High-Pressure Switch
Hall Effect Sensor
High Voltage
Ignitor
Induced-Draft Motor
Indoor-Fan Contactor

IFCB
IFM
IGC
L
LED
LOR
LPS
LS
MGV
NEC
OFC
OFM
PL
PRI
RS
SN
SR
SW
TB
TC
TH

—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Indoor-Fan Circuit Breaker
Indoor-Fan Motor
Integrated Gas Unit Controller
Light
Light-Emitting Diode
Lockout Relay
Low-Pressure Switch
Limit Switch
Main Gas Valve
National Electrical Code
Outdoor-Fan Contactor
Outdoor-Fan Motor
Plug Assembly
Primary
Rollout Switch
Sensor
Solenoid Relay
Switch
Terminal Block
Thermostat Cooling
Thermostat Heating

TRAN — Transformer
Terminal (Marked)
Terminal (Unmarked)
Terminal Block
Splice
Splice (Marked)
Splice (Field Supplied)
Factory Wiring
Field Control Wiring
Field Power Wiring
Accessory or Optional Wiring
To indicate common potential
only; not to represent wiring.

NOTES:
1. Compressor and fan motors thermally protected; 3-phase motors protected against primary single-phasing conditions.
2. If any of the original wire furnished must be replaced, it must be replaced with type 90 C wire or its equivalent.
3. Jumpers are omitted when unit is equipped with economizer.
4. IFCB must trip amps is equal to or less than 140% full load amps.
5. On 208/230-v unit, TRAN1 is factory wired to ORN lead for 230-v power supply. If unit is to run on 208-v power supply, TRAN1
must be rewired. Disconnect the BLK wire on TRAN1 and connect wire to 208-v RED wire. Insulate 230-v ORN wire.
6. The CLO locks out the compressor to prevent short cycling on compressor overload and safety devices. Before replacing CLO,
check these devices.
7. Number(s) indicates the line location of used contacts. A bracket over (2) numbers signifies a single-pole, double-throw contact.
An underlined number signifies a normally closed contact. A plain (no line) number signifies a normally open contact.

199

579F180-300

a48-5655

TYPICAL WIRING SCHEMATICS — 579F (cont)

a48-7877

LEGEND
AL — Ambient Limit
OA — Outdoor Air
ECB — Economizer Control Board
OAS — Outdoor Air Sensor
IA — Indoor Air
RAS — Return Air Sensor
IAQ — Indoor Air Quality
SAT — Supply Air Temperature

EconoMi$er IV Wiring — 579F180-300 Units

4
3
7
RED
500 OHM
RESISTOR

2
8

PINK

6

NOTE 1
BLUE

RUN

5

OAT
BLACK

NOTE 2

1
10

50HJ540573
ACTUATOR
ASSEMBLY

11
9
WHITE

DIRECT DRIVE
ACTUATOR

a50-8058
LEGEND
OAT — Outdoor Air Temperature Sensor
NOTES:
1. Switch on actuator must be in run position for economizer to operate.
2. 50HJ540573 actuator consists of the 50HJ540567 actuator and a harness with 500-ohm resistor.

EconoMi$er2 Wiring — 579F180-300 Units

200

12

ECONOMISER2 PLUG

TYPICAL WIRING SCHEMATICS — 579F (cont)

a48-6005
NOTES:
1. If the Non-Fused Disconnect Service Option is ordered for these units, the Non-Fused Disconnect will be factory-installed.
2. The Disconnect takes the place of TB-1 as shown on the unit wiring diagram label and the component arrangement label.

Non-Fused Disconnect (Optional) — 579F180-300

579F180-300

201

TYPICAL PIPING AND WIRING — 579F180-300
(579F180 Shown)

LEGEND
NEC — National Electrical Code

b48-1258

202

PHYSICAL DATA — 580F180-300
UNIT 580F
NOMINAL CAPACITY (tons)
OPERATING WEIGHT
Unit
EconoMi$er IV
COMPRESSOR/MANUFACTURER
Quantity...Model (Ckt 1, Ckt 2)

Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR FAN
Quantity...Size (in.)
Type Drive
Nominal Cfm
Motor Hp
Motor Nominal Rpm
Maximum Continuous Bhp

Nominal Fan Shaft Diameter (in.)
Belt, Quantity...Type...Length (in.)

Fan Shaft Diameter at Pulley (in.)

Bhp
TXV

1850
80

1900
80
Scroll, Copeland
1...ZR108KC,
1...ZR125KC,
1...ZR94KC
1...ZR108KC
55, 45
55, 45
2
2
106, 81
106,106
R-22
TXV

300
25
2270
80
1...ZR4140KC,
2...ZR144KC
60, 40
2
136, 106

Low-Medium Static
High Static
Low-Medium Static
High Static
Low-Medium Static
High Static
Low-Medium Static
High Static
Low-Medium Static
High Static

Low-Medium Static
High Static

19-8
19-11
26-13
19-2
13-14
25-10
Cross-Hatched 3/8-in. Copper Tubes, Aluminum Lanced,
Aluminum Pre-Coated, or Copper Plate Fins
4...15
4...15
4...15
3...15 (2 coils)
21.7
21.7
21.7
43.4
Propeller Type
10,500
10,500
14,200
21,000
3...22
3...22
2...30
6...22
1/ ...1050
1/ ...1050
1/ ...1050
1...1075
2
2
2
1100
1100
3400
2200
Cross-Hatched 3/8-in. Copper Tubes, Aluminum Lanced or
Copper Plate Fins, Face Split
4...15
4...15
4...15
4...15
17.5
17.5
17.5
17.5
Centrifugal Type
2...12 x 12
2...12 x 12
2...12 x 12
2...12 x 12
Belt
Belt
Belt
Belt
6000
7200
8000
10,000
5
5
7.5
10
1745
1745
1745
1740
8.7 [208/230, 575 v] 10.2 [208/230, 575 v]
6.13
5.90
9.5 [460 v]
11.8 [460 v]
184T
184T
213T
215T
—
—
—
—
873-1021
910-1095
1002-1151
1066-1283
1025-1200
1069-1287
1193-1369
1332-1550
Ball
Ball
Ball
Ball
1550
1550
1550
1550
4.9/5.9
4.9/5.9
5.4/6.6
4.9/5.9
4.9/5.9
4.9/5.9
5.4/6.6
4.9/5.9
11/8
11/8
1 3 /8
1 3 /8
9.4
9.4
9.4
8.0
8.0
8.0
7.9
6.4
17/16
17/16
17/16
17/16
1...BX...50
1...BX...50
1...BX...53
2...BX...50
1...BX...48
1...BX...48
1...BX...50
2...BX...47
13.3-14.8
13.3-14.8
14.6-15.4
14.6-15.4
37
37
37
36
44
34
44
45
4
3.5
965
1134
17/16

6
3.5
1002
1178
17/16

LEGEND
— Brake Horsepower
— Thermostatic Expansion Valve

*Circuit 1 uses the lower portion of the condenser coil and lower portion of the evaporator coils;
and Circuit 2 uses the upper portion of both coils.
†Rollout switch is manual reset.
**The 580F300 unit requires 2-in. industrial-grade filters capable of handling face velocities up to
625 ft/min (such as American Air Filter no. 5700 or equivalent).
NOTE: The 580F180-300 units have a low-pressure switch (standard) located on the suction side.

203

6
3.5
1095
1303
17/16

6
3.5
1182
1470
17/16

580F180-300

Pulley Center Line Distance (in.)
Speed Change per Full Turn of
Movable Pulley Flange (rpm)
Movable Pulley Maximum Full Turns
From Closed Position
Factory Speed
Factory Speed Setting (rpm)

1800
80

240
20

19-8
13-8

Rows...Fins/in.
Total Face Area (sq ft)
CONDENSER FAN
Nominal Cfm
Quantity...Diameter (in.)
Motor Hp...Rpm
Watts Input (Total)
EVAPORATOR COIL

Motor Bearing Type
Maximum Allowable Rpm
Motor Pulley Pitch Diameter
Min/Max (in.)
Nominal Motor Shaft Diameter (in.)
Fan Pulley Pitch Diameter (in.)

210
18

1...ZR94KC,
1...ZR72KC
60, 40
2
85, 60

Capacity Stages (%)
Number of Refrigerant Circuits
Oil (oz) (Ckt 1, Ckt 2)
REFRIGERANT TYPE
Expansion Device
Operating Charge (lb-oz)
Circuit 1*
Circuit 2
CONDENSER COIL

Motor Frame Size
Nominal Rpm High/Low
Fan Rpm Range

180
15

PHYSICAL DATA — 580F180-300 (cont)
UNIT 580F
FURNACE SECTION
Rollout Switch Cutout Temp (F)†
Burner Orifice Diameter (in. ...drill size)
Natural Gas
Thermostat Heat Anticipator Setting (amps)
208/230, 575 v
Stage 1
Stage 2
460 v
Stage 1
Stage 2
Gas Input
Stage 1
Stage 2
Efficiency (Steady-State) (%)
Temperature Rise Range
Manifold Pressure (in. wg)
Natural Gas
Gas Valve Quantity
Gas Valve Pressure Range
in. wg
psig
Field Gas Connection Size (in.-FPT)

180

210

240

300

190

190

190

190

0.1285...30/0.136...29

0.1285...30/0.136...29

0.1285...30/0.136...29

0.1285...30/0.136...29

0.98
0.44
0.80
0.44
206,000/270,000
275,000/360,000
81
15-45/20-50

0.98
0.44
0.80
0.44
206,000/270,000
275,000/360,000
81
15-45/20-50

0.98
0.44
0.80
0.44
206,000/270,000
275,000/360,000
81
15-45/20-50

0.98
0.44
0.80
0.44
206,000/270,000
275,000/360,000
81
15-45/20-50

3.3
1

3.3
1

3.3
1

3.3
1

5.5-13.5
0.235-0.487
3/
4

5.5-13.5
0.235-0.487
3/
4

5.5-13.5
0.235-0.487
3/
4

5.5-13.5
0.235-0.487
3/
4

HIGH-PRESSURE SWITCH (psig)
Cutout
Reset (Auto)
LOW-PRESSURE SWITCH (psig)
Cutout
Reset (Auto)
FREEZE PROTECTION THERMOSTAT (F)
Opens
Closes
OUTDOOR-AIR INLET SCREENS
Quantity...Size (in.)

426
320
27
44
30 ± 5
45 ± 5
Cleanable
2...20 x 25 x 1
1...20 x 20 x 1
Throwaway**
4...20 x 20 x 2
4...16 x20 x 2
1/ Hp, 208/230-460 v Motor Direct Drive, Propeller-Fan (Factory-Wired for 460 v)
2

RETURN-AIR FILTERS
Quantity...Size (in.)
POWER EXHAUST

LEGEND
Bhp — Brake Horsepower
TXV — Thermostatic Expansion Valve
*Circuit 1 uses the lower portion of the condenser coil and lower portion of the evaporator coils;
and Circuit 2 uses the upper portion of both coils.
†Rollout switch is manual reset.
**The 580F300 unit requires 2-in. industrial-grade filters capable of handling face velocities up to 625 ft/min
(such as American Air Filter no. 5700 or equivalent).
NOTE: The 580F180-300 units have a low-pressure switch (standard) located on the suction side.

OPERATING AND RIGGING WEIGHTS
UNIT
580F

180
lb
1800

kg
816

lb
1850

BASE UNIT OPERATING WEIGHTS*
210
240
kg
lb
kg
839
1900
862

300
lb
2270

kg
1030

*Base unit weight does not include copper coils, economizer, power exhaust, barometric relief or crating. See
Options and Accessories table below for more information.
NOTE: For 180 or 210 unit, add 75 lb (34 kg) for domestic crating. For 240 unit, add 135 lb (61 kg). For 300
unit, add 175 lb (79 kg) for domestic crating.

OPTIONS AND ACCESSORIES
(Weight Adders)
OPTION/
ACCESSORY
Barometric Relief Damper
Power Exhaust
EconoMi$er IV
Cu Condenser Coil
Cu Condenser and Evaporator Coils
Roof Curb (14-in. curb)
Horizontal Adapter Curb (Pre-Assembled)
Horizontal Adapter Curb (Field-Assembled)
Hail Guard

180
lb
50
85
90
150
280
200
250
348
60

kg
23
39
41
68
127
91
113
156
27

LEGEND
Cu — Copper

204

OPTION/ACCESSORY WEIGHTS
210
240
lb
kg
lb
kg
50
23
50
23
85
39
85
39
90
41
90
41
150
68
150
68
280
127
280
127
200
91
200
91
250
113
250
113
343
156
343
156
60
27
60
27

300
lb
50
85
90
150
280
200
250
343
60

kg
23
39
41
68
127
91
113
156
27

$

BASE UNIT DIMENSIONS — 580F180, 210

580F180-300

a48-8203

205

BASE UNIT DIMENSIONS — 580F240

a48-8204

206

$

BASE UNIT DIMENSIONS — 580F300

580F180-300

a48-8205

207

CRRFCURB010A00
CRRFCURB011A00
CRRFCURB012A00

PKG. NO. REF.

CURB
HEIGHT
1′− 2″ (305)
2′- 0″ (610)
2′- 0″ (610)

a48-6314

208
580F180-240

Horizontal and Vertical Roof Curbs

Standard Curb 14″ High
Standard Curb for Units Requiring High Installation
Side Supply and Return Curb for High Installation

DESCRIPTION

ACCESSORY DIMENSIONS — 580F180-240

580F300

Vertical Roof Curbs

ACCESSORY DIMENSIONS — 580F300

580F180-300

a48-7456

209

ACCESSORY DIMENSIONS — 580F (cont)

a48-7458

2" X 1/4
SUPPORT TYP.
STITCH WELDED

3 1/2"

FULLY INSULATED
SUPPLY PLENUM
1" INSULATION
1 1/2 # DENSITY,
STICK PINNED & GLUED

14 3/4"

23"

6"

a48-7457
NOTE: CRRFCURB013A00 is a fully factory preassembled horizontal
adapter and includes an insulated transition duct. The pressure drop
through the adapter curb is negligible.
For horizontal return applications: The power exhaust and barometric
relief dampers must be installed in the return air duct.

12" WIDE STANDING
SEAM PANELS

a48-7459
ACCESSORY
PACKAGE NO.
CRRFCURB013A00

CURB
HEIGHT
1′-11″
(584)

DESCRIPTION
Pre-Assembled, Roof Curb,
Horizontal Adapter

Horizontal Supply/Return Adapter Installation (580F180-240)

2'-1 5/8"

2'-2 1/16"

48-1169df

1'-6 5/16"

For horizontal return applications: The power exhaust
relief must be installed in the return air duct.

Barometric Relief/Power Exhaust

210

ACCESSORY DIMENSIONS — 580F (cont)

LEGEND
K.O. — Knockout
a48-4184

Factory-Installed Convenience Outlet

580F180-300

a48-4185

Factory-Installed Non-Fused Disconnect (180-300)

211

SELECTION PROCEDURE (With 580F240 Example)
IV DETERMINE FAN SPEED AND POWER REQUIREMENTS AT DESIGN CONDITIONS.
Before entering the Fan Performance tables, calculate the
total static pressure required based on unit components.
From the given and the Accessory/FIOP Static Pressure
table on page 191 find:
External static pressure
0.60 in. wg
EconoMi$er IV static pressure
0.10 in. wg
Total static pressure
0.70 in. wg
Enter the Fan Performance table 580F240360 at
8,000 cfm and 0.70 in. wg external static pressure. By
interpolation, find that the rpm is 1243 and the watts
are 5368.
V DETERMINE NET COOLING CAPACITY.
Cooling capacities are gross capacities and do not include
indoor (evaporator) fan motor (IFM) heat. Use the watts
input power to the motor calculated in Section IV above.
IFM Watts = 5368
Determine net cooling capacity using the following
formula:
Net capacity
= Gross capacity – IFM heat
= 249,000 Btuh – 5368 Watts
Btuh
(3.412
)
Watts
= 249,000 Btuh – 18,316 Btuh
= 230,684 Btuh
Net sensible capacity = 188,000 Btuh – 18,316 Btuh
= 169,684 Btuh
The calculations show that a 580F240360 unit with the
standard motor and standard low-medium static drive is
the correct selection for the given conditions.

I DETERMINE COOLING AND HEATING REQUIREMENTS AT DESIGN CONDITIONS.
Given:
Required Cooling Capacity . . . . . . . . . . . . . . 230,000 Btuh
Sensible Heat Capacity (SHC) . . . . . . . . . . . 170,000 Btuh
Required Heating Capacity. . . . . . . . . . . . . . 215,000 Btuh
Condenser Entering Air Temp. . . . . . . . . . .95 F (Summer)
Evaporator Entering Air Temp. . . . . . . . . . . . . . . 80 F edb,
67 F ewb
Evaporator Air Quantity . . . . . . . . . . . . . . . . . . . 8,000 cfm
External Static Pressure . . . . . . . . . . . . . . . . . . . 0.6 in. wg
Electrical Characteristics (V-Ph-Hz) . . . . . . . . . . 460-3-60
Vertical discharge unit with optional EconoMi$er IV
required.
edb — Entering dry-bulb
ewb — Entering wet-bulb
II SELECT UNIT BASED ON REQUIRED COOLING
CAPACITY.
Enter Cooling Capacities table for 580F240 (page 183) at
condenser entering temperature 95 F, evaporator air
entering at 8,000 cfm and 67 F wb. The unit will provide a
total cooling capacity of 249,000 Btuh and a sensible heating capacity (SHC) of 188,000 Btuh. For air entering evaporator at temperatures other than 80 F edb, calculate SHC
correction as required.
NOTE: Unit ratings are gross capacities and do not
include the effect of evaporator-fan motor heat. To calculate net capacities, see Step V.
III SELECT HEATING CAPACITY OF UNIT TO PROVIDE
DESIGN CONDITION REQUIREMENTS.
In the ARI Heating Capacities and Efficiencies table note
that the 580F240360 will provide an output capacity of
292,000 Btuh, which is adequate for the given application.

212

PERFORMANCE DATA
COOLING CAPACITIES
580F180 (15 TONS)
Temp (F)
Air Entering
Condenser
(Edb)
75
85
95
105
115
118
120

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

4,500/0.010
62
175.7
145.5
14.0
168.8
141.7
15.2
161.8
138.7
16.4
154.6
133.9
17.6
147.1
130.1
19.0
144.7
129.0
19.4
142.9
128
19.6

67
191.8
123.0
14.4
185.1
119.8
15.6
177.5
116.8
16.9
169.3
113.6
18.2
160.8
110.2
19.5
158.0
109.1
19.9
156.2
108
20.2

5,250/0.120
72
210.9
99.9
15.0
203.0
97.1
16.1
194.4
93.9
17.4
185.3
90.7
18.7
175.5
87.4
20.0
172.5
86.4
20.4
170.5
86
20.6

62
180.5
156.2
14.2
173.3
151.6
15.3
166.4
147.5
16.6
158.6
143.7
17.8
150.4
139.7
19.1
147.7
138.5
19.5
145.9
138
19.8

67
196.4
131.5
14.6
189.2
128.6
15.8
181.5
125.2
17.0
173.1
121.4
18.3
164.2
117.8
19.7
161.2
116.6
20.0
159.2
116
20.2

Air Entering Evaporator — Cfm/BF
6,000/0.140
6,750/0.150
Air Entering Evaporator — Ewb (F)
72
62
67
72
62
67
72
214.9
183.3
201.0
218.9
187.1
203.0
222.9
104.9
167.8
139.1
110.6
175.3
146.3
115.0
15.1
14.3
14.7
15.2
14.4
14.9
15.4
207.0
177.1
192.8
210.9
179.7
196.0
214.9
101.9
162.4
135.9
106.7
171.1
143.1
111.0
16.3
15.5
15.9
16.5
15.6
16.1
16.6
199.0
169.0
184.7
203.0
171.7
187.7
205.0
99.1
157.6
132.7
103.3
167.2
139.9
108.3
17.6
16.7
17.2
17.7
16.8
17.3
17.8
189.2
161.2
175.9
192.0
164.0
178.1
194.6
95.7
154.2
129.0
100.3
161.8
136.1
104.7
18.8
17.9
18.5
18.9
18.1
18.5
19.1
179.1
152.4
166.4
181.9
155.8
168.6
184.3
92.1
149.3
125.4
96.7
155.6
131.9
101.1
20.2
19.2
19.8
20.2
19.4
19.9
20.4
175.9
150.0
163.4
178.3
153.4
165.4
180.7
91.1
147.7
124.2
95.5
153.4
130.7
99.9
20.6
19.6
20.2
20.6
19.8
20.2
20.8
—
148.3
161.2
—
151.8
163.2
—
—
146
123
—
152
130
—
—
19.9
20.4
—
20.0
20.4
—

7,500/0.160
62
189.2
183.7
14.5
182.3
179.1
15.7
174.5
173.9
16.9
167.4
167.2
18.2
159.6
159.2
19.5
157.0
156.8
19.9
155.4
155
20.2

67
205.0
155.8
14.9
198.0
150.2
16.1
189.4
146.5
17.4
179.7
142.7
18.6
169.7
139.1
19.9
166.8
137.7
20.4
164.8
137
20.6

72
224.9
119.4
15.4
216.9
116.4
16.7
207.0
112.2
17.9
196.2
108.7
19.1
185.7
105.3
20.4
182.1
104.1
20.8
—
—
—

580F210 (18 TONS)
Temp (F)
Air Entering
Condenser
(Edb)
75
85
95
105
115
120

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

5,400/0.095
62
227
200
15.9
219
197
17.2
210
192
18.5
200
186
19.9
190
181
21.3
185
179
22.1

BF
— Bypass Factor
Edb — Entering Dry Bulb
Ewb — Entering Wet Bulb

67
247
167
16.5
238
164
17.8
229
160
19.2
218
155
20.5
207
151
21.9
200
149
22.6

6,000/0.105
72
269
134
17.2
259
131
18.5
248
126
19.9
237
123
21.2
225
118
22.6
218
117
—

62
232
215
16.1
224
210
17.4
214
205
18.7
205
199
20.1
195
193
21.5
189
189
22.3

67
251
178
16.7
242
175
17.9
233
171
19.3
222
166
20.7
210
161
22.1
205
159
22.8

Air Entering Evaporator — Cfm/BF
7,000/0.120
8,000/0.140
Air Entering Evaporator — Ewb (F)
72
62
67
72
62
67
72
274
237
255
277
241
258
280
141
231
194
152
241
205
160
17.3
16.3
16.8
17.5
16.5
16.9
17.6
265
229
247
269
235
250
272
137
225
188
145
234
200
153
18.6
17.6
18.1
18.8
17.8
18.3
19.0
253
219
237
258
225
239
261
133
218
183
141
225
194
148
20.0
19.0
19.5
20.2
19.2
19.6
20.3
241
210
225
245
216
228
249
129
210
178
136
216
190
143
21.3
20.4
20.8
21.5
20.6
21.0
21.7
228
201
213
232
206
216
235
124
201
173
132
206
185
139
22.8
21.8
22.2
22.9
22.0
22.4
23.1
221
196
207
225
201
209
227
122
196
171
130
201
182
137
—
22.5
22.9
—
22.7
—
—

9,000/0.150
62
248
248
16.7
241
240
18.0
231
231
19.4
221
221
20.8
211
211
22.2
205
205
22.9

67
261
219
17.0
252
214
18.3
242
206
19.7
230
201
21.0
217
196
22.4
210
193
—

72
283
167
17.7
273
163
19.0
263
156
20.4
250
150
21.8
236
146
23.1
229
144
—

LEGEND
kW — Compressor Power
SHC — Gross Sensible Capacity (1000 Btuh)
TC
— Gross Cooling Capacity (1000 Btuh)

580F180-300

213

PERFORMANCE DATA (cont)
COOLING CAPACITIES (cont)
580F240 (20 TONS)
Temp (F)
Air Entering
Condenser
(Edb)
75
85
95
105
115
120

6,000/0.04
62
237
204
16.7
229
201
18.1
220
195
19.4
209
189
20.9
200
185
22.5
194
183
23.2

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

67
258
171
17.4
249
167
18.7
239
163
20.2
228
159
21.5
217
154
23.1
211
152
23.8

7,000/0.05
72
282
138
18.1
272
135
19.5
261
130
20.9
249
126
22.3
237
122
23.8
230
121
24.6

62
242
221
16.9
234
216
18.3
225
211
19.7
216
206
21.2
205
199
22.7
199
195
23.5

67
264
184
17.6
254
180
18.9
245
176
20.4
234
171
21.8
222
166
23.3
216
164
24.0

Air Entering Evaporator — Cfm/BF
8,000/0.06
Air Entering Evaporator — Ewb (F)
72
62
67
72
62
288
247
268
291
252
146
237
199
156
247
18.3
17.1
17.8
18.5
17.3
278
239
260
283
245
142
231
193
150
240
19.7
18.5
19.1
19.9
18.7
267
230
249
271
235
138
224
188
145
233
21.2
19.9
20.6
21.3
20.1
254
220
237
259
225
134
217
183
140
225
22.5
21.4
22.0
22.7
21.6
241
211
225
244
216
129
209
178
136
216
24.0
22.9
23.4
24.2
23.2
234
205
218
237
210
126
204
175
134
210
—
23.7
24.2
—
23.9

9,000/0.07
67
271
210
17.9
262
203
19.3
251
199
20.6
240
195
22.1
227
189
23.6
220
186
24.4

10,000/0.08
72
295
164
18.6
286
157
20.1
275
152
21.4
262
148
22.9
248
143
24.4
240
141
—

62
258
257
17.5
250
250
18.8
241
241
20.3
230
230
21.8
221
221
23.4
214
214
24.1

67
274
221
18.0
265
217
19.4
255
210
20.8
242
205
22.2
229
200
23.7
222
196
24.4

72
298
172
18.7
287
167
20.1
277
160
21.6
263
154
23.0
249
150
24.4
241
148
—

580F300 (25 TONS)
Temp (F)
Air Entering
Condenser
(Edb)
75
85
95
105
115
125

TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

7,000/0.05
57
256
256
18.0
248
248
20.0
241
241
22.4
233
233
24.9
225
225
27.9
216
216
30.9

BF
— Bypass Factor
Edb — Entering Dry Bulb
Ewb — Entering Wet Bulb

62
271
232
18.3
262
228
20.4
252
223
22.6
243
218
25.1
232
214
27.9
221
208
31.1

67
299
196
18.9
288
192
20.9
277
187
23.1
266
182
25.6
254
178
28.5
241
173
31.6

8,000/0.06
72
327
159
19.6
316
154
21.5
303
149
23.7
289
145
26.2
277
140
29
263
136
32

57
267
267
18.3
259
259
20.3
251
251
22.6
242
242
25.2
234
234
28
224
223
31.2

62
278
249
18.5
267
244
20.4
257
239
22.7
247
233
25.3
236
228
28.1
225
221
31.2

67
305
208
19.1
293
204
21
281
198
23.3
270
194
25.8
258
189
28.6
245
184
31.7

Air Entering Evaporator — Cfm/BF
9,000/0.07
Air Entering Evaporator — Ewb (F)
72
57
62
67
72
57
336
276
283
309
341
285
166
276
265
220
173
285
19.8 18.5 18.7 19.2 19.9 18.7
322
267
273
298
328
276
161
267
259
216
169
276
21.7 20.6 20.6 21.2 21.9 20.8
309
259
262
286
314
266
157
259
254
210
164
266
23.9 22.8 22.9 23.4
24
23
295
250
252
273
299
256
152
250
248
206
159
256
26.3 25.4 25.4 25.9 26.5 25.6
281
241
242
261
285
247
148
241
241
201
155
247
29.2 28.2 28.2 28.7 29.2 28.4
267
231
231
248
269
237
142
230
231
196
149
236
32.2 31.4 31.4 31.7 32.3 31.6

LEGEND
kW — Compressor Power
SHC — Gross Sensible Capacity (1000 Btuh)
TC
— Gross Cooling Capacity (1000 Btuh)

214

10,000/0.08
62
286
281
18.8
276
274
20.8
267
265
23
258
257
25.6
247
247
28.4
236
236
31.6

67
313
232
19.4
302
228
21.3
290
222
23.5
277
217
26
264
211
28.8
251
206
31.9

11,250/0.09
72
344
182
20.1
331
175
22
317
171
24.2
303
166
26.6
288
162
29.3
273
157
32.3

57
294
294
19.0
284
284
21
274
274
23.2
264
264
25.8
254
253
28.7
243
243
31.7

62
294
294
19.0
285
284
21
275
275
23.2
265
265
25.8
255
255
28.7
242
242
31.7

67
316
252
19.5
305
244
21.5
293
238
23.6
280
232
26.1
267
227
28.9
253
221
31.9

72
347
198
20.2
336
187
22.1
321
180
24.2
306
176
26.7
291
171
29.5
276
166
32.5

PERFORMANCE DATA (cont)
FAN PERFORMANCE — 580F180-300 UNITS
580F180275*
Airflow
(Cfm)
4500
4800
5100
5700
6000
6300
6600
6900
7200
7500

Rpm
753
747
741
810
844
879
915
950
986
1022

0.2
Watts
1307
1384
1465
1911
2164
2439
2737
3057
3401
3770

Bhp
1.53
1.62
1.72
2.24
2.54
2.86
3.21
3.59
3.99
4.42

Rpm
761
790
820
882
914
947
980
1013
1047
1081

0.4
Watts
1330
1515
1718
2182
2444
2729
3035
3364
3717
4095

Available External Static Pressure (in. wg)
0.6
0.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
1.56
840
1572
1.84
912
1822
1.78
866
1765
2.07
936
2023
2.01
893
1977
2.32
961
2243
2.56
950
2459
2.88
1014
2741
2.87
980
2730
3.20
1042
3021
3.20
1010
3023
3.55
1070
3322
3.56
1041
3338
3.91
1099
3645
3.95
1072
3675
4.31
1129
3991
4.36
1104
4037
4.74
1159
4361
4.80
1136
4423
5.19
1189
4755

Bhp
2.14
2.37
2.63
3.21
3.54
3.90
4.28
4.68
5.11
5.58

Rpm
980
1002
1280
1075
1100
1127
1155
1183
1211
1241

1.0
Watts
2080
2289
2516
3029
3317
3626
3957
4311
4689
5091

Bhp
2.44
2.68
2.95
3.55
3.89
4.25
4.64
5.06
5.50
5.97

Rpm
1105
1124
1144
1187
1210
1234
1259
1285
—
—

1.4
Watts
2619
2841
3082
3624
3925
4249
4595
4964
—
—

Available External Static Pressure (in. wg)
1.6
1.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
3.07
1163
2899
3.40
1218
3187
3.33
1180
3127
3.67
1235
3420
3.61
1199
3375
3.96
1252
3674
4.25
1240
3929
4.61
1291
4241
4.60
1262
4239
4.97
1312
4557
4.98
1285
4569
5.36
1334
4894
5.39
1309
4922
5.77
—
—
5.82
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Bhp
3.74
4.01
4.31
4.97
5.34
5.74
—
—
—
—

Rpm
1271
1287
1304
1341
1361
—
—
—
—
—

2.0
Watts
3481
3720
3979
4558
4880
—
—
—
—
—

Bhp
4.08
4.36
4.67
5.35
5.72
—
—
—
—
—

Rpm
1372
1386
1401
—
—
—
—
—
—
—

2.4
Watts
4088
4337
4607
—
—
—
—
—
—
—

Available External Static Pressure (in. wg)
2.6
2.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
4.79
1419
4400
5.16
1466
4719
5.09
1433
4655
5.46
1479
4978
5.40
1448
4930
5.78
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Bhp
5.53
5.84
—
—
—
—
—
—
—
—

Rpm
1511
—
—
—
—
—
—
—
—
—

3.0
Watts
5042
—
—
—
—
—
—
—
—
—

Bhp
5.91
—
—
—
—
—
—
—
—
—

580F180275* (cont)
Airflow
(Cfm)
4500
4800
5100
5700
6000
6300
6600
6900
7200
7500

Rpm
1044
1065
1086
1132
1157
1182
1208
1235
1262
—

1.2
Watts
2345
2561
2795
3324
3619
3935
4274
4636
5021
—

Bhp
2.75
3.00
3.28
3.90
4.24
4.62
5.01
5.44
5.89
—

580F180275* (cont)
Airflow
(Cfm)
4500
4800
5100
5700
6000
6300
6600
6900
7200
7500

Rpm
1322
1337
1353
1388
—
—
—
—
—
—

2.2
Watts
3781
4280
4290
4881
—
—
—
—
—
—

Bhp
4.43
4.72
5.03
5.72
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

Refer to page 221 for general Fan Performance Data notes.

*Standard low-medium static drive range is 873 to 1021 rpm. Alternate
high-static drive range is 1025 to 1200. Other rpms require a fieldsupplied drive.

215

580F180-300

NOTE: Maximum continuous bhp for the standard motor is 6.13. The
maximum continuous watts is 5180. Do not adjust motor rpm such that
motor maximum bhp and/or watts is exceeded at the maximum operating cfm.

PERFORMANCE DATA (cont)
FAN PERFORMANCE — 580F180-300 UNITS (cont)
580F180360*
Airflow
(Cfm)
4500
4800
5100
5700
6000
6300
6600
6900
7200
7500

Rpm
753
747
775
849
886
924
962
1000
1038
1077

0.2
Watts
1307
1384
1571
2054
2329
2628
2951
3298
3672
4072

Bhp
1.53
1.62
1.84
2.41
2.73
3.08
3.46
3.87
4.31
4.78

Rpm
786
818
850
918
952
987
1023
1059
1095
1131

0.4
Watts
1404
1603
1822
2323
2607
2915
3246
3603
3986
4394

Available External Static Pressure (in. wg)
0.6
0.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
1.65
861
1644
1.93
932
1893
1.88
890
1852
2.17
958
2108
2.14
920
2079
2.44
986
2344
2.73
982
2598
3.05
1044
2879
3.06
1015
2891
3.39
1074
3180
3.42
1047
3207
3.76
1105
3504
3.81
1081
3547
4.16
1136
3853
4.23
1115
3912
4.59
1168
4225
4.67
1149
4303
5.05
1201
4625
5.15
1184
4720
5.54
1234
5050

Bhp
2.22
2.47
2.75
3.38
3.73
4.11
4.52
4.96
5.42
5.92

Rpm
997
1022
1048
1102
1130
1160
1190
1220
1251
—

1.0
Watts
2150
2373
2616
3166
3474
3807
4163
4543
4950
—

Bhp
2.52
2.78
3.07
3.71
4.08
4.46
4.88
5.33
5.81
—

Rpm
1119
1140
1163
1211
1236
1263
1290
—
—
—

1.4
Watts
2685
2922
3178
3757
4080
4427
4798
—
—
—

Available External Static Pressure (in. wg)
1.6
1.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
3.15
1175
2964
3.48
1230
3250
3.43
1195
3207
3.76
1248
3498
3.73
1216
3470
4.07
1268
3767
4.41
1262
4061
4.76
1312
4371
4.79
1287
4391
5.15
1335
4707
5.19
1312
4745
5.57
1359
5067
5.63
1338
5122
6.01
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Bhp
3.81
4.10
4.42
5.13
5.52
5.94
—
—
—
—

Rpm
1282
1299
1319
1360
1382
—
—
—
—
—

2.0
Watts
3542
3795
4071
4686
5029
—
—
—
—
—

Bhp
4.15
4.45
4.77
5.50
5.90
—
—
—
—
—

Rpm
1381
1397
1414
—
—
—
—
—
—
—

2.4
Watts
4145
4409
4695
—
—
—
—
—
—
—

Available External Static Pressure (in. wg)
2.6
2.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
4.86
1428
4456
5.23
1473
4772
5.17
1443
4725
5.54
1488
5046
5.51
1460
5180
5.88
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Bhp
5.60
5.92
—
—
—
—
—
—
—
—

Rpm
1518
—
—
—
—
—
—
—
—
—

3.0
Watts
5095
—
—
—
—
—
—
—
—
—

Bhp
5.98
—
—
—
—
—
—
—
—
—

580F180360* (cont)
Airflow
(Cfm)
4500
4800
5100
5700
6000
6300
6600
6900
7200
7500

Rpm
1060
1082
1106
1157
1184
1212
1241
1270
—
—

1.2
Watts
2414
2644
2894
3459
3774
4114
4478
4866
—
—

Bhp
2.83
3.10
3.39
4.06
4.43
4.83
5.25
5.71
—
—

580F180360* (cont)
Airflow
(Cfm)
4500
4800
5100
5700
6000
6300
6600
6900
7200
7500

Rpm
1332
1349
1367
1407
—
—
—
—
—
—

2.2
Watts
3841
4100
4380
5007
—
—
—
—
—
—

Bhp
4.50
4.81
5.14
5.87
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

Refer to page 221 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp for the standard motor is 6.13. The
maximum continuous watts is 5180. Do not adjust motor rpm such that
motor maximum bhp and/or watts is exceeded at the maximum operating cfm.

*Standard low-medium static drive range is 873 to 1021 rpm. Alternate
high-static drive range is 1025 to 1200. Other rpms require a fieldsupplied drive.

216

PERFORMANCE DATA (cont)
FAN PERFORMANCE — 580F180-300 UNITS (cont)
580F210275 (18 TONS)*
Airflow
(Cfm)
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
755
810
866
923
980
1038
1096
1154
1213
1272

0.2
Bhp
2.27
2.72
3.22
3.78
4.39
5.06
5.78
6.56
7.40
8.30

Watts
1908
2287
2710
3177
3690
4251
4859
5517
6224
6983

Rpm
831
881
932
985
1038
1093
1148
1204
1260
1317

0.4
Bhp
2.58
3.04
3.55
4.11
4.73
5.40
6.13
6.92
7.77
8.67

Rpm
1204
1236
1270
1307
1346
1387
1429
1473
1519
—

1.6
Bhp
4.65
5.13
5.66
6.25
6.89
7.59
8.35
9.15
10.04
—

Watts
2171
2556
2985
3458
3976
4542
5156
5818
6531
7294

Available External Static Pressure (in. wg)
0.6
0.8
Rpm
Bhp Watts Rpm
Bhp Watts
901
2.91
2443
968
3.24
2723
947
3.37
2833
1010
3.71
3116
994
3.88
3266
1054
4.23
3554
1044
4.45
3744
1100
4.80
4036
1094
5.07
4267
1148
5.43
4564
1146
5.75
4838
1197
6.11
5138
1198
6.49
5456
1247
6.85
5761
1251
7.28
6123
1298
7.65
6432
1306
8.13
6840
1350
8.51
7154
1360
9.05
7608
1403
9.43
7926

Rpm
1031
1070
1111
1155
1200
1246
1294
1343
1394
1445

1.0
Bhp
3.58
4.05
4.57
5.15
5.78
6.47
7.22
8.02
8.88
9.81

Watts
3009
3406
3847
4333
4864
5443
6070
6745
7471
8247

Rpm
1309
1337
1368
1402
1437
1475
1514
—
—
—

2.0
Bhp
5.39
5.87
6.41
7.00
7.65
8.36
9.12
—
—
—

Watts
4533
4939
5391
5890
6435
7300
7670
—
—
—

Rpm
1091
1127
1166
1207
1250
1294
1340
1388
1436
1486

1.2
Bhp
3.93
4.40
4.93
5.51
6.15
6.84
7.59
8.40
9.26
10.19

Watts
3302
3702
4146
4635
5170
5752
6382
7062
7791
8570

580F210275 (18 TONS)* (cont)
Airflow
(Cfm)
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
1149
1183
1219
1258
1299
1341
1385
1431
1478
—

1.4
Bhp
4.28
4.76
5.29
5.88
6.52
7.21
7.97
8.78
9.65
—

Watts
3602
4003
4450
4942
5480
6065
6699
7382
8114
—

Available External Static Pressure (in. wg)
1.8
Watts Rpm
Bhp Watts Rpm
3907
1258
5.02
4217
1284
4310
1288
5.50
4622
1313
4759
1320
6.03
5073
1344
5253
1355
6.62
5569
1378
5794
1392
7.27
6113
1415
6383
1392
7.97
6704
1453
7019
1472
8.73
7343
1493
7705
1515
9.55
8032
1535
8441
—
—
—
—
—
—
—
—
—

LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor

1.9
Bhp
5.20
5.68
6.22
6.81
7.46
8.16
8.93
9.75
—
—

Watts
4375
4780
5232
5729
6273
6866
7506
8196
—
—

*Standard low-medium static drive range is 910 to 1095 rpm. Alternate high-static
drive range is 1069 to 1287. Other rpms require a field-supplied drive.
Refer to page 221 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is 5.90. The maximum continuous watts is
5180.

580F210360 (18 TONS)*
Airflow
(Cfm)
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
795
854
914
975
1037
1099
1161
1223
1286
1349

0.2
Bhp
2.43
2.92
3.46
4.06
4.72
5.44
6.22
7.07
7.98
8.95

Watts
2043
2452
2909
3414
3969
4575
5232
5943
6708
7528

Rpm
866
921
977
1034
1092
1150
1210
1270
1331
1392

0.4
Bhp
2.74
3.24
3.79
4.39
5.06
5.79
6.57
7.43
8.34
9.32

Rpm
1227
1263
1302
1343
1386
1431
1478
1527
—
—

1.6
Bhp
4.80
5.32
5.89
6.52
7.22
7.97
8.79
9.67
—
—

Watts
2306
2722
3184
3695
4255
4866
5529
6245
7014
7839

Available External Static Pressure (in. wg)
0.6
0.8
Rpm
Bhp Watts Rpm
Bhp Watts
934
3.07
2578
998
3.40 2856
984
3.57
3998
1044
3.90 3281
1036
4.12
3465
1093
4.46 3752
1090
4.73
3981
1144
5.08 4272
1145
5.41
4546
1196
5.76 4842
1201
6.14
5162
1249
6.50 5462
1258
6.93
5829
1304
7.29 6134
1315
7.79
6550
1360
8.16 6869
1374
8.71
7324
1416
9.08 7638
1433
9.70
8154
1473 10.07 8471

Rpm
1059
1102
1148
1196
1256
1297
1349
1403
1457
—

1.0
Bhp
3.74
4.25
4.81
5.43
6.12
6.86
7.66
8.53
9.46
—

Watts
3142
3570
4045
4569
5142
5766
6443
7171
7954
—

Rpm
1329
1361
1396
1434
1474
1516
—
—
—
—

2.0
Bhp
5.54
6.06
6.64
7.28
7.98
8.74
—
—
—
—

Watts
4629
5097
5584
6121
6709
7348
—
—
—
—

Rpm
1117
1158
1201
1246
1294
1343
1393
1445
1498
—

1.2
Bhp
4.08
4.60
5.16
5.79
6.48
7.22
8.03
8.90
9.84
—

Watts
3434
3865
4343
4870
5447
6075
6755
7487
8274
—

580F210360 (18 TONS)* (cont)

5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
1173
1211
1252
1295
1340
1388
1436
1486
1538
—

1.4
Bhp
4.44
4.95
5.53
6.16
6.85
7.60
8.41
9.28
10.22
—

Watts
3732
4165
4646
5176
5756
6388
7071
7807
8597
—

Available External Static Pressure (in. wg)
1.8
Watts Rpm
Bhp Watts Rpm
4036
1279
5.17
4345
1304
4471
1313
5.69
4782
1337
4954
1350
6.26
5267
1373
5487
1389
6.90
5802
1412
6070
1431
7.60
6387
1452
6704
1474
8.35
7260
1495
7390
1520
9.17
7713
1540
8130
—
—
—
—
—
—
—
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

1.9
Bhp
5.35
5.87
6.56
7.09
7.79
8.54
9.37
—
—
—

Watts
4502
4939
5425
5961
6547
7186
7876
—
—
—

*Standard low-medium static drive range is 910 to 1095 rpm. Alternate high-static
drive range is 1069 to 1287. Other rpms require a field-supplied drive.
Refer to page 221 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is 5.90. The maximum continuous watts is
5180.

217

580F180-300

Airflow
(Cfm)

PERFORMANCE DATA (cont)
FAN PERFORMANCE — 580F180-300 UNITS (cont)
580F240275 (20 TONS)*
Cfm
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
824
881
939
998
1056
1116
1175
1235
1295

0.2
Watts
2607
3030
3488
3982
4512
5077
5678
6315
6988

Bhp
3.09
3.59
4.14
4.72
5.35
6.02
6.74
7.49
8.29

Rpm
894
947
1001
1055
1111
1167
1224
1282
1340

0.4
Watts
2844
3266
3725
4218
4748
5314
5915
6552
7225

Available External Static Pressure (in. wg)
0.6
0.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
3.37
961
3085
3.66
1023
3330
3.88
1009
3507
4.16
1069
3751
4.42
1060
3965
4.70
1116
4208
5.00
1111
4458
5.29
1165
4701
5.63
1164
4988
5.92
1215
5230
6.30
1218
5553
6.59
1266
5795
7.02
1272
6154
7.30
1319
6395
7.77
1327
6791
8.06
1372
7033
8.57
1383
7465
8.86
1426
7706

Bhp
3.95
4.45
4.99
5.58
6.20
6.87
7.59
8.34
9.14

Rpm
1083
1126
1170
1217
1264
1314
1364
1415
1468

1.0
Watts
3578
3998
4454
4946
5474
6039
6639
7276
7949

Bhp
4.24
4.74
5.28
5.87
6.49
7.16
7.88
8.63
9.43

Rpm
1196
1234
1274
1316
1359
1405
1451
1499
1549

1.4
Watts
4082
4499
4953
5443
5970
6533
7132
7768
8440

Available External Static Pressure (in. wg)
1.6
1.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
4.84
1249
4337
5.15
1301
4596
5.34
1285
4753
5.64
1334
5009
5.88
1323
5205
6.18
1371
5460
6.46
1363
5694
6.76
1409
5947
7.08
1405
6220
7.38
1449
6472
7.75
1449
6783
8.05
1491
7034
8.46
1494
7381
8.76
1535
7631
9.22
1540
8180
9.51
—
—
10.01
—
—
—
—
—

Bhp
5.45
5.94
6.48
7.06
7.68
8.34
9.05
—
—

Rpm
1351
1383
1417
1454
1493
1533
—
—
—

2.0
Watts
4856
5267
5716
6202
6726
7286
—
—
—

Bhp
5.76
6.25
6.78
7.36
7.98
8.64
—
—
—

Rpm
1446
1475
1507
1540
—
—
—
—
—

2.4
Watts
5381
5789
6234
6717
—
—
—
—
—

Available External Static Pressure (in. wg)
2.6
2.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
6.38
1492
5647
6.70
1537
5914
6.87
1520
6052
7.18
—
—
7.40
1550
6495
7.71
—
—
7.97
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Bhp
7.02
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—

3.0
Watts
—
—
—
—
—
—
—
—
—

Bhp
—
—
—
—
—
—
—
—
—

580F240275 (20 TONS)* (cont)
Cfm
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
1141
1181
1223
1267
1313
1360
1408
1458
1508

1.2
Watts
3829
4247
4702
5194
5721
6285
6885
7521
8193

Bhp
4.54
5.04
5.58
6.16
6.79
7.46
8.17
8.92
9.72

580F240275 (20 TONS)* (cont)
Cfm
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
1399
1429
1462
1498
1535
—
—
—
—

2.2
Watts
5118
5527
5974
6459
6981
—
—
—
—

Bhp
6.07
6.56
7.09
7.66
8.28
—
—
—
—

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

Refer to page 221 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp for the standard motor is 8.70 (for
208/230 and 575-v units) and 9.50 (for 460-v units). The maximum continuous watts is 7915 (for 208/230 and 575-v units) and 8640 (for 460-v
units). Do not adjust motor rpm such that motor maximum bhp and/or
watts is exceeded at the maximum operating cfm. See Evaporator Fan
Motor Performance table for additional information.

*Standard low-medium static drive range is 1002 to 1151 rpm. Alternate
high-static drive range is 1193 to 1369. Other rpms require a fieldsupplied drive.

218

PERFORMANCE DATA (cont)
FAN PERFORMANCE — 580F180-300 UNITS (cont)
580F240360 (20 TONS)*
Cfm
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
868
929
991
1054
1117
1180
1244
1308
1372

0.2
Watts
2752
3201
3687
4211
4773
5373
6011
6687
7401

Bhp
3.26
3.80
4.37
5.00
5.66
6.37
7.13
7.93
8.78

Rpm
934
991
1049
1109
1168
1229
1290
1352
1414

0.4
Watts
2987
3436
3923
4447
5009
5609
6247
6924
7638

Available External Static Pressure (in. wg)
0.6
0.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
3.54
997
3227
3.83
1058
3470
4.08
1051
3675
4.36
1108
3917
4.65
1105
4161
4.94
1159
4403
5.28
1161
4686
5.56
1213
4926
5.94
1218
5247
6.22
1267
5488
6.65
1277
5847
6.94
1323
6088
7.41
1335
6485
7.69
1380
6726
8.21
1395
7162
8.50
1437
7402
9.06
1455
7876
9.34
1496
8117

Bhp
4.12
4.65
5.22
5.84
6.51
7.22
7.98
8.78
9.63

Rpm
1115
1162
1211
1262
1314
1368
1423
1479
1535

1.0
Watts
3716
4163
4647
5170
5731
6331
6968
7644
8358

Bhp
4.41
4.94
5.51
6.13
6.80
7.51
8.27
9.07
9.92

Rpm
1224
1266
1311
1357
1405
1455
1506
—
—

1.4
Watts
4216
4659
5142
5663
6222
6821
7457
—
—

Available External Static Pressure (in. wg)
1.6
1.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
5.00
1276
4469
5.30
1326
4726
5.53
1316
4911
5.83
1364
5165
6.10
1358
5392
6.40
1404
5645
6.72
1403
5912
7.01
1447
6164
7.38
1449
6471
7.68
1492
6721
8.09
1497
7068
8.39
1538
7318
8.85
1547
7705
9.14
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Bhp
5.61
6.13
6.70
7.31
7.97
8.68
—
—
—

Rpm
1374
1411
1449
1490
1533
—
—
—
—

2.0
Watts
4983
5421
5899
6416
6973
—
—
—
—

Bhp
5.91
6.43
7.00
7.61
8.27
—
—
—
—

Rpm
1468
1501
1536
—
—
—
—
—
—

2.4
Watts
5505
5938
6412
—
—
—
—
—
—

Available External Static Pressure (in. wg)
2.6
2.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
6.53
1513
5768
6.84
—
—
7.04
1544
6199
7.35
—
—
7.61
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Bhp
—
—
—
—
—
—
—
—
—

Rpm
—
—
—
—
—
—
—
—
—

3.0
Watts
—
—
—
—
—
—
—
—
—

Bhp
—
—
—
—
—
—
—
—
—

580F240360 (20 TONS)* (cont)
Cfm
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
1171
1215
1262
1310
1360
1412
1465
1519
—

1.2
Watts
3965
4410
4894
5415
5976
6575
7212
7888
—

Bhp
4.70
5.23
5.81
6.42
7.09
7.80
8.56
9.36
—

580F240360 (20 TONS)* (cont)
Cfm
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
1422
1456
1493
1533
—
—
—
—
—

2.2
Watts
5243
5679
6155
6670
—
—
—
—
—

Bhp
6.22
6.74
7.30
7.91
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

Refer to page 221 for general Fan Performance Data notes.

*Standard low-medium static drive range is 1002 to 1151 rpm. Alternate
high-static drive range is 1193 to 1369. Other rpms require a fieldsupplied drive.

219

580F180-300

NOTE: Maximum continuous bhp for the standard motor is 8.70 (for
208/230 and 575-v units) and 9.50 (for 460-v units). The maximum continuous watts is 7915 (for 208/230 and 575-v units) and 8640 (for 460-v
units). Do not adjust motor rpm such that motor maximum bhp and/or
watts is exceeded at the maximum operating cfm. See Evaporator Fan
Motor Performance table for more information.

PERFORMANCE DATA (cont)\
FAN PERFORMANCE — 580F180-300 UNITS (cont)
580F300275 (25 TONS)*
Airflow
(Cfm)
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,250

Rpm
941
999
1058
1117
1177
1237
1297
1358
1418
1449

0.2
Bhp
3.35
4.05
4.85
5.74
6.75
7.98
9.12
10.49
12.00
12.80

Watts
2,769
3,348
4,007
4,750
5,583
6,511
7,450
8,674
9,919
10,585

Rpm
1002
1057
1113
1169
1226
1284
1342
1400
1459
—

0.4
Bhp
3.80
4.53
5.35
6.28
7.31
8.46
9.74
11.14
12.67
—

Watts
3,140
3,742
4,424
5,190
6,047
6,999
8,051
9,209
10,478
—

Available External Static Pressure (in. wg)
0.6
0.8
Rpm
Bhp Watts Rpm
Bhp Watts
1061
4.27 3528
1117
4.76
3,934
1112
5.02 4152
1166
5.54
4,579
1165
5.87 4856
1216
6.41
5,304
1219
6.83 5645
1268
7.40
6,114
1274
7.89 6524
1320
8.48
7,015
1329
9.07 7499
1374
9.69
8,012
1385 10.37 8574
1428 11.02
9,110
1442 11.80 9755
1483 12.47 10,314
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1171
1218
1266
1315
1365
1417
1469
1523
—
—

1.0
Bhp
5.27
6.07
6.97
7.98
9.09
10.33
11.68
13.16
—
—

Watts
4,356
5,210
5,766
6,597
7,520
8,538
9,657
10,883
—
—

Rpm
1224
1268
1314
1361
1410
1459
1510
—
—
—

1.2
Bhp
5.80
6.63
7.55
8.58
9.72
10.98
12.36
—
—
—

Watts
4,794
5,478
6,243
7,094
8,037
9,076
10,217
—
—
—

580F300275 (25 TONS)* (cont)
Airflow
(Cfm)
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,250

Rpm
1274
1316
1360
1406
1453
1501
—
—
—
—

1.4
Bhp
6.35
7.20
8.14
9.20
10.36
11.64
—
—
—
—

Available External Static Pressure (in. wg)
1.6
Watts Rpm
Bhp Watts Rpm
5248
1323
6.92
5,718 1371
6960
1364
7.79
6,437 1410
6734
1406
8.76
7,239 1450
7605
1449
9.83
8,129 1492
8568
1495 11.02
9,111 1536
9627
1541 12.32 10,190
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
5.54
6.41
7.40
8.48
9.69
—
—
—
—
—

Watts
6204
6939
7759
8666
9667
—
—
—
—
—

LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor

Refer to this page for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is 10.20 (208/230 and 575 v) or 11.80 (460 v)
and the maximum continuous watts are 9510 (208/230 and 575 v) or 11,000
(460 v). Do not adjust motor rpm such that motor maximum bhp and/or watts is
exceeded at the maximum operating cfm. See Evaporator Fan Motor Performance table for more information.

*Standard low-medium static drive range is 1066 to 1283 rpm. Alternate highstatic drive range is 1332 to 1550. Other rpms require a field-supplied drive.

580F300360 (25 TONS)*
Airflow
(Cfm)
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,250

Rpm
992
1055
1118
1182
1246
1310
1374
1439
1503
1536

0.2
Bhp
4.05
4.77
5.58
6.46
7.42
8.47
9.61
10.84
12.17
12.86

Watts
3,348
3,947
4,610
5,339
6,136
7,005
7,947
8,964
10,059
10,636

Rpm
1051
1110
1170
1231
1292
1354
1416
1479
1542
—

0.4
Bhp
4.44
5.17
5.99
6.88
7.86
8.92
10.07
11.32
12.65
—

Watts
3,668
4,277
4,950
5,690
6,498
7,377
8,329
9,356
10,460
—

Available External Static Pressure (in. wg)
0.6
0.8
Rpm
Bhp Watts Rpm
Bhp Watts
1106
4.83 3995
1160
5.24 4331
1162
5.58 4615
1214
6.00 4960
1220
6.41 5298
1268
6.84 5653
1278
7.31 6047
1324
7.75 6411
1337
8.30 6865
1381
8.75 7239
1397
9.38 7754
1439
9.84 8137
1457 10.54 8715
1497 11.02 9107
1518 11.79 9752
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Rpm
1212
1263
1315
1369
1424
1480
1537
—
—
—

1.0
Bhp
5.65
6.43
7.27
8.20
9.21
10.31
11.50
—
—
—

Watts
4675
5312
6014
6782
7618
8525
9504
—
—
—

Rpm
1262
1311
1361
1413
1466
1520
—
—
—
—

1.2
Bhp
6.08
6.86
7.72
8.66
9.68
10.79
—
—
—
—

Watts
5026
5672
6382
7158
8003
8918
—
—
—
—

580F300360 (25 TONS)* (cont)
Airflow
(Cfm)
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,250

Rpm
1311
1358
1406
1456
1507
—
—
—
—
—

1.4
Bhp
6.51
7.30
8.17
9.12
10.15
—
—
—
—
—

Available External Static Pressure (in. wg)
1.6
Watts Rpm
Bhp Watts Rpm
5385
1359
6.96 5751
1405
6039
1403
7.76 6412
1448
6767
1560
8.63 7137
1492
7541
1498
9.59 7929
1539
8393
1548 10.63 8790
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

1.8
Bhp
6.00
6.84
7.75
8.75
—
—
—
—
—
—

Watts
6124
6792
7524
8323
—
—
—
—
—
—
Refer to this page for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is 10.20 (208/230 and 575 v) or 11.80 (460 v)
and the maximum continuous watts are 9510 (208/230 and 575 v) or 11,000
(460 v). Do not adjust motor rpm such that motor maximum bhp and/or watts is
exceeded at the maximum operating cfm. See Evaporator Fan Motor Performance table for more information.

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor
*Standard low-medium static drive range is 1066 to 1283 rpm. Alternate highstatic drive range is 1332 to 1550. Other rpms require a field-supplied drive.

GENERAL NOTES FOR FAN PERFORMANCE DATA TABLES
4. Extensive motor and drive testing on these units ensures that the full horsepower and watts range of the motor can be utilized with confidence. Using
fan motors up to the watts or bhp rating shown will not result in nuisance
tripping or premature motor failure. Unit warranty will not be affected.
5. Use of a field-supplied motor may affect wire size. Contact your Bryant representative for details.

1. Static pressure losses (i.e., EconoMi$er IV) must be added to external static
pressure before entering Fan Performance table.
2. Interpolation is permissible. Do not extrapolate.
3. Fan performance is based on wet coils, clean filters, and casing losses. See
Accessory/FIOP Static Pressure table on page 223.

220

PERFORMANCE DATA (cont)
ALTITUDE DERATING FACTOR*
ELEVATION
(ft)
0-2,000
2,001-3,000
3,001-4,000
4,001-5,000
5,001-6,000

MAXIMUM HEATING VALUE
(Btu/ft3)
1,100
1,050
1,000
950
900

*Derating of the unit is not required unless the heating value of the gas
exceeds the values listed in the table above, or if the elevation
exceeds 6000 ft. Derating conditions must be 4% per thousand ft
above 2000 ft. For example, at 4000 ft, if the heating value of the gas
exceeds
1000 Btu/ft3, the unit will require a 16% derating. For elevations above 6000 ft, the same formula applies. For example, at 7000
ft, the unit will require a 28% derating of the maximum heating value
per the National Fuel Gas Code.
IMPORTANT: Local utility companies may be reducing heat content of
gas at altitudes above 2000 ft. If this is being done, changing spuds
may not be required.

a50-4028

Fan Performance Using Accessory
Power Exhaust (580F180-300)
ALTITUDE COMPENSATION — 580F180-300
(LP Gas Units)
ALTITUDE COMPENSATION* —
580F180-300
ELEVATION
(ft)
0-3,000
3,000- 7,000
7,000- 9,000
9,000-10,000
above 10,000

LIQUID PROPANE
ORIFICE SIZE
Low Heat and High Heat
36
37
38
38
39
40
41
41
42
43

ELEVATION
(ft)

NATURAL GAS ORIFICE SIZE†
Low Heat
High Heat
30
29
31
30
32
31
33
31
35
32

0-2,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
10,000

*Includes a 4% input reduction per each 1,000 feet.
†Orifices available through your Bryant dealer.

UNIT
580F
180
210
240
300

SOUND
RATING
(60 Hz)
88 dB
88 dB
94 dB
94 dB

OCTAVE BANDS

A-WEIGHTED
(dB)

63

125

250

500

1000

2000

4000

8000

87.6
87.8
94.4
94.1

90.8
90.8
99.7
98.7

88.7
88.7
93.0
92.3

86.4
86.4
93.7
93.8

84.3
84.3
91.8
90.9

83.5
83.5
89.7
89.6

78.4
78.4
85.9
85.9

75.6
75.6
80.7
80.3

66.8
66.8
74.4
74.3

LEGEND
Bels — Sound Levels (1 bel = 10 decibels)

NOTE: Indoor sound power is available in Bryant’s Electronic Catalog
program (ECAT) for specific operating parameters.

221

580F180-300

OUTDOOR SOUND POWER

PERFORMANCE DATA (cont)
ACCESSORY/FIOP STATIC PRESSURE (in. wg)* — 580F180-300
COMPONENT

4500
0.040

EconoMi$er IV and EconoMi$er2
FIOP

—

5000
0.050

5400
0.060

6000
0.070

CFM
7200
0.090

7500
0.100

9000
0.110

10,000
0.120

11,250
0.140

LEGEND
Factory-Installed Option

*The static pressure must be added to external static pressure. The sum and the evaporator entering-air cfm should then be
used in conjunction with the Fan Performance tables to determine blower rpm and watts.

FAN RPM AT MOTOR PULLEY SETTINGS*
UNIT
580F

0

1/

180†
180**
210†
210**
240†
240**
300†
300**

††
††
††
††
††
††
††
††

††
††
††
††
††
††
††
††

2

1

11/2

2

††
††
1095
1287
††
††
1283
††

††
††
1077
1265
††
††
1269
††

1021
1200
1058
1243
1151
1369
1247
1551

MOTOR PULLEY TURNS OPEN
21/2
3
31/2
1002
1178
1040
1222
1132
1347
1225
1524

984
1156
1021
1200
1114
1325
1203
1497

965
1134
1002
1178
1095
1303
1182
1470

4

41/2

5

51/2

6

947
1112
984
1156
1077
1281
1160
1443

928
1091
965
1134
1058
1259
1138
1415

910
1069
947
1112
1040
1237
1116
1388

891
1047
928
1091
1021
1215
1095
1361

873
1025
910
1069
1002
1193
1066
1332

*Approximate fan rpm shown.
†Indicates standard drive package.
**Indicates alternate drive package.
††Due to belt and pulley size, pulley cannot be set to this number of turns open.

EVAPORATOR-FAN MOTOR PERFORMANCE
UNIT
580F

180

210

240

300

BHP —
BkW —

UNIT
VOLTAGE
208/230
460
575
208/230
460
575
208/230
460
575
208/230
460
575

MAXIMUM
ACCEPTABLE
CONTINUOUS
BHP*

MAXIMUM
ACCEPTABLE
CONTINUOUS
BkW*

MAXIMUM
ACCEPTABLE
OPERATING
WATTS

6.13

4.57

5,180

5.90

4.40

5,180

8.70
9.50
8.70
10.20
11.80
10.20

6.49
7.08
6.49
7.61
8.80
7.61

7,915
8,640
7,915
9,510
11,000
9,510

MAXIMUM
AMP DRAW
15.8
7.9
6.0
15.8
7.9
6.0
22.0
13.0
10.0
28.0
14.6
13.0

will not result in nuisance tripping or premature motor failure. Unit warranty will
not be affected.
NOTE: All indoor-fan motors 5 hp and larger meet the minimum efficiency requirements as established by the Energy Policy Act of 1992 (EPACT) effective
October 24, 1997.

LEGEND
Brake Horsepower
Brake Kilowatts

*Extensive motor and electrical testing on these units ensures that the full horsepower (brake kilowatt) range of the motors can be utilized with confidence. Using
your fan motors up to the horsepower (brake kilowatt) ratings shown in this table

EVAPORATOR-FAN MOTOR EFFICIENCY
MOTOR EFFICIENCY
(%)
87.5
88.5
89.5

UNIT 580F
5 Hp
7.5 Hp
10 Hp

NOTE: The EPACT (Energy Policy Act of 1992) regulates energy
requirements for specific types of indoor fan motors. Motors regulated
by EPACT include any general purpose, T-frame (three-digit, 143 and
larger), single-speed, foot mounted, polyphase, squirrel cage induction
motors of NEMA (National Electrical Manufacturers Association) design
A and B, manufactured for use in the United States. Ranging from 1 to
200 Hp, these continuous-duty motors operate on 230 and 460 volt,
60 Hz power. If a motor does not fit into these specifications, the motor
does not have to be replaced by an EPACT-compliant energy-efficient
motor. Variable-speed motors are exempt from EPACT compliance
requirements. Therefore, the indoor-fan motors for these units are
exempt from these requirements.

222

ELECTRICAL DATA
UNIT
580F

180

210

240

Max

COMPRESSOR
OFM
No. 1
No. 1A
No. 2
RLA LRA RLA LRA RLA LRA Qty Hp FLA (ea)

Hp

187

253

32.1

195

—

—

20.7

156

3

0.5

1.7

5.0 15.8/15.8

460

414

508

16.4

95

—

—

10

70

3

0.5

0.8

5.0

7.9

575

518

633

12

80

—

—

8.2

54

3

0.5

0.75

5.0

6.0

208/230

187

253

30.1

225

—

—

28.8

195

3

0.5

1.7

5.0 15.8/15.8

460

414

508

15.5

114

—

—

14.7

95

3

0.5

0.8

5.0

7.9

575

518 632.5 12.1

80

—

—

10.7

80

3

0.5

0.75

5.0

6.0

Min

208/230

253

42

239

—

—

33.6

225

2

1

6.6

7.5 25.0/25.0

460

414

508

19.2

125

—

—

17.3

114

2

1

3.3

7.5

13.0

575

518

633

13.8

80.0

—

—

13.5 80.0

2

1.0

3.4

7.5

10.0

187.2 253

20.7

156

20.7

156

47.1

245

6

0.5

1.7

10.0 28.0/28.0

10

75

10

75

19.6

125

6

0.5

0.8

10.0

14.6

8.2

54

8.2

54

15.8

100

6

0.5

0.8

10.0

13.0

460

—
—
—
—
—
—
—
—
—

FLA

187

575

FLA
HACR
IFM
LRA
MCA
MOCP
NEC
OFM
RLA

POWER
EXHAUST

IFM

208/230

208/230
300

VOLTAGE
RANGE

NOMINAL
VOLTAGE
(3 Ph, 60 Hz)

414

508

517.5 632.5

FLA
—
4.6
—
2.3
—
2.1
—
4.6
—
2.3
—
2.1
—
4.6
—
2.3
—
2.1
—
4.6
—
2.3
—
2.1

COMBUSTION
FAN MOTOR

LRA
—
18.8
—
6.0
—
4.8
—
18.8
—
6.0
—
4.8
—
18.8
—
6.0
—
4.8
—
18.8
—
6
—
4.8

FLA
0.57
0.57
0.30
0.30
0.57
0.57
0.57
0.57
0.30
0.30
0.57
0.57
0.57
0.57
0.30
0.30
0.57
0.57
0.57
0.57
0.30
0.30
0.57
0.57

POWER
SUPPLY
MCA
82/82
86/86
41
43
31
34
87/87
92/92
44
47
34
36
124/124
129/129
61
63
48
50
138/138
143/143
64
66
54
56

MOCP*
110/110
110/110
50
50
40
40
110/110
110/110
50
60
40
40
150/150
150/150
80
80
60
60
175/175
150/175
80
80
60
70

% Voltage Imbalance
max voltage deviation from average voltage
= 100 x
average voltage
EXAMPLE: Supply voltage is 460-3-60.

LEGEND
Full Load Amps
Heating, Air Conditioning and Refrigeration
Indoor (Evaporator) Fan Motor
Locked Rotor Amps
Minimum Circuit Amps
Maximum Overcurrent Protection
National Electrical Code
Outdoor (Condenser) Fan Motor
Rated Load Amps

AB = 452 v
BC = 464 v
AC = 455 v
452 + 464 + 455
3

Average Voltage =

*Fuse or HACR circuit breaker.

1371
3
= 457
Determine maximum deviation from average voltage.
(AB) 457 – 452 = 5 v
(BC) 464 – 457 = 7 v
(AC) 457 – 455 = 2 v
Maximum deviation is 7 v.
Determine percent voltage imbalance.
7
% Voltage Imbalance = 100 x
457
= 1.53%
=

This amount of phase imbalance is satisfactory as it is below the maximum
allowable 2%.
IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact your local electric utility company immediately.

223

580F180-300

NOTES:
1. In compliance with NEC requirements for multimotor and combination load
equipment (refer to NEC Articles 430 and 440), the overcurrent protective
device for the unit shall be fuse or HACR breaker. Canadian units may be
fuse or circuit breaker.
2. Unbalanced 3-Phase Supply Voltage
Never operate a motor where a phase imbalance in supply voltage is
greater than 2%. Use the following formula to determine the percent voltage
imbalance.

TYPICAL WIRING SCHEMATICS — 580F

LEGEND
AHA —
C
—
CAP —
CB
—
CC
—
CH
—
CLO —
COMP —
CR
—
DU
—
EQUIP —
FPT —
FU
GND
HPS
HS
HV
I
IDM
IFC
IFCB
IFM
IGC

—
—
—
—
—
—
—
—
—
—
—

L
LOR
LPS
LS
MGV
OFC
OFM
PL
PRI
QT
R
RS
SEN
SW
TB
TC
TH
TRAN

—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Adjustable Heat Anticipator
Contactor, Compressor
Capacitor
Circuit Breaker
Cooling Compensator
Crankcase Heater
Compressor Lockout
Compressor Motor
Control Relay
Dummy Terminal
Equipment
Freeze Protection
Thermostat
Fuse
Ground
High-Pressure Switch
Hall Effect Sensor
High Voltage
Ignitor
Induced-Draft Motor
Indoor-Fan Contactor
Indoor-Fan Circuit Breaker
Indoor-Fan Motor
Integrated Gas Unit
Controller
Light
Lockout Relay
Low-Pressure Switch
Limit Switch
Main Gas Valve
Outdoor-Fan Contactor
Outdoor-Fan Motor
Plug Assembly
Primary
Quadruple Terminal
Relay
Rollout Switch
Sensor
Switch
Terminal Block
Thermostat, Cooling
Thermostat, Heating
Transformer
Terminal (Marked)
Terminal (Unmarked)
Terminal Block
Splice
Factory Wiring
Field Wiring
Option/Accessory Wiring
To indicate common
potential only, not to
represent wiring.

a48-7461

Typical Wiring Schematic — 580F180, 460-3-60 Shown

224

TYPICAL WIRING SCHEMATICS — 580F (cont)

a48-7877

AL
ECB
IA
IAQ

— Ambient Limit
— Economizer Control Board
— Indoor Air
— Indoor Air Quality

LEGEND
OA —
OAS—
RAS—
SAT —

Outdoor Air
Outdoor Air Sensor
Return Air Sensor
Supply Air Temperature

EconoMi$er IV Wiring — 580F180-300

4
3
7
RED

8
PINK

6

NOTE 1
BLUE

RUN

5

OAT
BLACK

NOTE 2

1
10

50HJ540573
ACTUATOR
ASSEMBLY

11
9
WHITE

DIRECT DRIVE
ACTUATOR

a50-8058
LEGEND
OAT — Outdoor Air Temperature Sensor
NOTES:
1. Switch on actuator must be in run position for economizer to operate.
2. 50HJ540573 actuator consists of the 50HJ540567 actuator and a harness with 500-ohm resistor.

EconoMi$er2 Wiring — 580F180-300

225

12

ECONOMISER2 PLUG

580F180-300

500 OHM
RESISTOR

2

TYPICAL WIRING SCHEMATICS — 580F (cont)

a48-6005
NOTES:
1. If the Non-Fused Disconnect Service Option is ordered for these units, the Non-Fused Disconnect will be factory-installed.
2. The Disconnect takes the place of TB-1 as shown on the unit wiring diagram label and the component arrangement label.

Non-Fused Disconnect (Optional) — 580F180-300

226

TYPICAL PIPING AND WIRING — 580F180-300

LEGEND
NEC — National Electrical Code

b48-1258

580F180-300

227

PHYSICAL DATA — 581A155,180
UNIT 581A
NOMINAL CAPACITY (tons)
OPERATING WEIGHT (lb)
Unit
Al/Al*
Al/Cu*
Cu/Cu*
EconoMi$er IV
EconoMi$er2
Roof Curb†
Hot Gas Reheat Dehumidification Package
COMPRESSOR
Quantity...Model (Ckt 1, Ckt 2)
Number of Refrigerant Circuits
Loading (% of full capacity)
Crankcase Heater Watts
Oil (oz) (Ckt 1, Ckt 2)
REFRIGERANT TYPE
Expansion Device
Operating Charge (lb)
Circuit 1**
Circuit 2
CONDENSER FAN
Nominal Cfm
Quantity...Diameter (in.)
Motor Hp...Rpm
Watts Input (Total)

Motor Bearing Type
Maximum Allowable Rpm
Motor Pulley Pitch Dia.
Nominal Motor Shaft Diameter (in.)
Fan Pulley Pitch Diameter (in.)
Nominal Fan Shaft Diameter (in.)
Belt, Quantity...Type... Length (in.)
Pulley Center Line Distance (in.)
Speed Change per Full Turn of Movable
Pulley Flange (Rpm)
Movable Pulley Maximum
Full Turns From Closed Position
Factory Speed
Factory Speed Setting (Rpm)
EVAPORATOR COIL
Rows...Fins/in.
Total Face Area (sq ft)
FURNACE SECTION
Rollout Switch Cutout Temp (F)***
Burner Orifice Diameter (in...drill size)
Natural Gas
Liquid Propane†††
Thermostat Heat Anticipator Setting
208/230/460/575 v
Stage 1 (amps)
Stage 2 (amps)
Gas Input (Btuh) Stage 1
Stage 2
Efficiency (Steady State) (%)
Temperature Rise Range
Manifold Pressure (in. wg)
Natural Gas
Liquid Propane†††
Gas Valve Quantity
Gas Valve Pressure Range (Min-Max Allowable) (in. wg)
(psig)
Field Gas Connection Size (in.-FPT)

180
460
15

1725
1875
2005
90
85
200
—

1800
1950
2080
90
85
200
40

2...ZR72KC
2
0,53,100
70
60,60

1...ZR94KC, 1...ZR72KC
2
0,60,100
70
85,60

575

19.5
13.45
Propeller Type

10,500
10,500
3...22
3...22
1/ ...1050
2...1050
2
1100
1100
Cross-Hatched 3/8-in. Copper Tubes, Aluminum Lanced, Aluminum
Pre-Coated, or Copper Plate Fins
4...15
4...15
21.7
21.7
Centrifugal Type
2...12 X 12
2...12 x 12
Belt
Belt
5200
6000
2.9
3.0
5
3.7
N/A
N/A
1725
1745
3.13
3.38
6.13
4.26
N/A
56H
184T
895-1147
895-1147
873-1021
1040-1315
N/A
1025-1200
Ball
Ball
1550
1550
3.1/4.1
3.1/4.1
4.9/5.9
3.7/4.7
N/A
4.9/5.9
7/
7/
11/8
8
8
6.0
6.0
9.4
6.0
6.0
8.0
13/16
13/16
17/16
1...BX...45
1...BX...45
1...BX...50
1...BX...45
1...BX...45
1...BX...48
14.5-16.0
14.5-16.0
13.3-14.8
1/

Low-Medium Static
High Static
Low-Medium Static
High Static
Low-Medium Static
High Static
Low-Medium Static
High Static
Low-Medium Static
High Static

45
45

45
N/A

37
44

6
6
4††
3.5
3.5
3.5
987
987
965
1155
N/A
1134
Cross-Hatched 3/8-in. Copper Tubes, Aluminum Lanced or Copper Plate Fins, Face Split
4...15
4...15
17.5
17.5

Low-Medium Static
High Static

Std
Alt
0.98
0.44

Std
Alt

190

190

0.1285...30/ 0.136...29
0.1065...36/0.1065...36

0.1285...30/ 0.136...29
0.1065...36/0.1065...36

0.8
0.44
172,000/230,000
225,000/300,000
81
15-45/30-60

0.98
0.44

0.98
0.44

3.3
3.3
1
5.5-13.5
.235-.487
3/
4

0.8
0.44
206,000/270,000
275,000/360,000
81
15-45/20-50

0.98
0.44

3.3
3.3
1
5.5-13.5
.235-.487
3/
4
426
320
27
44
30 ± 5
45 ± 5
Cleanable
2...20 x 25 x 1
1...20 x 20 x 1
Throwaway
4...20 x 20 x 2
4...16 x 20 x 2

RETURN-AIR FILTERS
Quantity...Size (in.)
LEGEND
—
—
—
—

208/230

20.7
13.4

HIGH-PRESSURE SWITCH (psig)
Cutout
Reset (Auto.)
LOW-PRESSURE SWITCH (psig)
Cutout
Reset (Auto.)
FREEZE PROTECTION THERMOSTAT (F)
Opens
Closes
OUTDOOR-AIR INLET SCREENS
Quantity...Size (in.)

Al
Bhp
Cu
TXV

575

R-22
TXV

CONDENSER COIL
Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR FAN
Quantity...Size (in.)
Type Drive
Nominal Cfm
Std Motor Hp
Opt Motor Hp
Motor Nominal Rpm
Std Maximum Continuous Bhp
Opt Maximum Continuous Bhp
Motor Frame Size
Fan Rpm Range

155
460
12

208/230

*Evaporator coil fin material/condenser coil fin material.
†Weight of 14-in. roof curb.
**Circuit 1 uses the lower portion of condenser coil and lower portion of evaporator coils, and
Circuit 2 uses the upper portion of both coils.
††Due to belt and pulley style, moveable pulley cannot be set to 0 to 1/2 turns open.
***Rollout switch is manual reset.
†††A Liquid Propane kit is available as an accessory. Kit may be used at elevations as high as
2000 ft.

Aluminum
Brake Horsepower
Copper
Thermostatic Expansion Valve

228

PHYSICAL DATA — 581A210-300
UNIT 581A
NOMINAL CAPACITY (tons)
OPERATING WEIGHT (lb)
Al/Al
COMPRESSOR
Quantity
Number of Refrigerant Circuits
Oil (ounces) Ckt A...Ckt B...Ckt C
REFRIGERANT TYPE
Expansion Device
Operating Charge (lb)
Circuit A
Circuit B
Circuit C
CONDENSER FAN
Nominal Cfm (Total, all fans)
Quantity...Diameter (in.)
Motor Hp...Rpm
Watts Input (Total)
CONDENSER COIL
Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR FAN
Quantity...Size
Type Drive
Nominal Cfm
Motor Bearing Type
Maximum Allowable Fan Rpm
EVAPORATOR COIL
Rows...Fins/in.
Total Face Area (sq ft)
FURNACE SECTION
Rollout Switch Cutout Temp (F)
Burner Orifice Diameter (in. ...drill size)
Gas
Thermostat Heat Anticipator Setting
Stage 1 (amps)
Stage 2 (amps)
Gas Input (Btuh) HIGH HEAT
Efficiency (Steady State) %
Temperature Rise Range
Gas Input (Btuh) MEDIUM HEAT
Efficiency (Steady State) %
Temperature Rise Range
Gas Input (Btuh) LOW HEAT
Efficiency (Steady State) %
Temperature Rise Range (F)
Manifold Pressure
Natural Gas (in. wg)
Natural Gas (in. wg)
Gas Valve Quantity
Gas Valve Pressure Range
Min-Max Allowable
Field Gas Connection Size (in. FPT)
HIGH-PRESSURE SWITCH (psig)
Cutout
Reset (Auto)
OUTDOOR-AIR INLET SCREENS
Quantity...Size (in.)
RETURN-AIR FILTERS
Quantity...Size (in.)

210
18

240
20

300
25

2224

2272

2526

3
3
68...68...90

3
3
90...90...90

2
2
110...110...NA

TXV

TXV

TXV

13.1
12.7
15.2

13.8
13.9
15.5

21.8
20.3
NA

14,000
4...22
4...1100
1400

1/

14,000
4...22
4...1100
1400

1/

21,000
6...22
4...1100
2100

1/

2...17
57.78

2...17
57.78

2...17
66.67

2...15x11
Belt
7000
Ball
1400

2...15x11
Belt
8000
Ball
1400

2...15x11
Belt
10,000
Ball
1400

3...15
23.33

4...15
23.33

4...15
27.22

225
0.136...29
Natural

225
0.136...29
Natural

225
0.136...29
Natural

0.98
0.44
317,000
400,000
82
25-55
281,000
365,000
81
25-55
199,000
250,000
82
15-45

0.98
0.44
317,000
400,000
82
25-55
281,000
365,000
81
25-55
199,000
250,000
82
15-45

0.98
0.44
317,000
400,000
82
25-55
281,000
365,000
81
25-55
199,000
250,000
82
15-45

3.00
2.95
1
5.5-13.0
.235-.469
3/
4

3.00
2.95
1
5.5-13.0
.235-.469
3/
4

3.00
2.95
1
5.5-13.0
.235-.469
3/
4

426
320

426
320

426
320

3...20x25

3...20x25

3...20x25

9...16x25

9...16x25

9...18x24

Stage 1
Stage 2
Vertical
Stage 1
Stage 2
Vertical
Stage 1
Stage 2
Vertical
Vertical
Horizontal
(in. wg)
(psig)

LEGEND
TXV — Thermostatic Expansion Valve

229

PHYSICAL DATA (cont)
EVAPORATOR FAN DATA — 581A210-300 VERTICAL SUPPLY/RETURN UNITS
581A
LOW RANGE
Motor Hp
Motor Nominal RPM
Maximum Continuous Bhp
Maximum Continuous Watts
Motor Frame Size
Motor Shaft Diameter (in.)
Fan Rpm Range
Motor Pulley Min. Pitch Diameter (in.)
Motor Pulley Max. Pitch Diameter (in.)
Blower Pulley Pitch Diameter (in.)
Blower Pulley Shaft Diameter (in.)
Blower Pulley Type
Pulley Center Line Distance (in.)
Belt, Quantity...Type...Length (in.)
Speed Change Per Turn — Moveable Pulley (rpm)
Moveable Pulley Maximum Full Turns
Factory Speed Setting (rpm)
HIGH RANGE
Motor Hp
Motor Nominal Rpm
Maximum Continuous Bhp
Maximum Continuous Watts
Motor Frame Size
Motor Shaft Diameter (in.)
Fan Rpm Range
Motor Pulley Min. Pitch Diameter (in.)
Motor Pulley Max. Pitch Diameter (in.)
Blower Pulley Pitch Diameter (in.)
Blower Pulley Shaft Diameter (in.)
Blower Pulley Type
Pulley Center Line Distance (in.)
Belt, Quantity...Type...Length (in.)
Speed Change Per Turn — Moveable Pulley (rpm)
Moveable Pulley Maximum Full Turns
Factory Speed Setting (rpm)
Bhp

210
203/230 and 460 V

575 V

240
203/230 and 460 V

575 V

300
203/230 and 460 V

575 V

3.7
1725
4.25
3698
56HZ
7/
8
647-886
2.7
3.7
7.2
1.1875
Fixed
11.293-13.544
1...BX...38
48
6
767

3
1725
3.45
3149
56HZ
7/
8
810-1072
3.1
4.1
6.6
1.1875
Fixed
11.286-14.475
1...BX...38
52
6
941

5
1745
5.75
4900
S184T
11/8
949-1206
3.7
4.7
6.8
1.1875
Fixed
9.81-13.055
1...BX...38
51
6
1078

5
1745
5.75
4900
184T
11/8
949-1206
3.7
4.7
6.8
1.1875
Fixed
9.81-13.055
1...BX...38
51
6
1078

5
1745
5.75
4900
S184T
11/8
805-1007
4.8
6.0
10.4
1.1875
Fixed
9.81-13.055
1...BX...45
40
6
906

5
1745
5.75
4900
184T
11/8
805-1007
4.8
6.0
10.4
1.1875
Fixed
9.81-13.055
1...BX...45
40
6
906

5
1745
5.75
4900
S184T
11/8
897-1139
3.7
4.7
7.2
1.1875
Fixed
9.81-13.055
1...BX...38
48
6
1018

5
1745
5.75
4900
184T
11/8
873-1108
3.7
4.7
7.4
1.1875
Fixed
9.81-13.055
1...BX...38
47
6
991

7.5
1745
8.63
7267
S213T
13/8
941-1176
4.8
6.0
8.9
1.1875
Fixed
9.025-12.179
1...BX...42
47
6
1059

7.5
1745
8.63
7267
S213T
13/8
941-1176
4.8
6.0
8.9
1.1875
Fixed
9.025-12.179
1...BX...42
47
6
1059

7.5
1745
8.63
7267
S213T
13/8
941-1176
4.8
6.0
8.9
1.1875
Fixed
9.025-12.179
1...BX...42
47
6
1059

7.5
1745
8.63
7267
S213T
13/8
941-1176
4.8
6.0
8.9
1.1875
Fixed
9.025-12.179
1...BX...42
47
6
1059

LEGEND
— Brake Horsepower

EVAPORATOR FAN DATA — 581A210-300 HORIZONTAL SUPPLY/RETURN UNITS
581A
LOW RANGE
Motor Hp
Motor Nominal Rpm
Maximum Continuous Bhp
Maximum Continuous Watts
Motor Frame Size
Motor Shaft Diameter (in.)
Fan Rpm Range
Motor Pulley Min. Pitch Diameter (in.)
Motor Pulley Max. Pitch Diameter (in.)
Blower Pulley Pitch Diameter (in.)
Blower Pulley Shaft Diameter (in.)
Blower Pulley Type
Pulley Center Line Distance (in.)
Belt, Quantity...Type...Length (in.)
Speed Change Per Turn — Moveable Pulley (rpm)
Moveable Pulley Maximum Full Turns
Factory Speed Setting (rpm)
HIGH RANGE
Motor Hp
Motor Nominal Rpm
Maximum Continuous Bhp
Maximum Continuous Watts
Motor Frame Size
Motor Shaft Diameter (in.)
Fan Rpm Range
Motor Pulley Min. Pitch Diameter (in.)
Motor Pulley Max. Pitch Diameter (in.)
Blower Pulley Pitch Diameter (in.)
Blower Pulley Shaft Diameter (in.)
Blower Pulley Type
Pulley Center Line Distance (in.)
Belt, Quantity...Type...Length (in.)
Speed Change Per Turn — Moveable Pulley (rpm)
Moveable Pulley Maximum Full Turns
Factory Speed Setting (rpm)
Bhp

210
203/230 and 460 V

575 V

240
203/230 and 460 V

575 V

300
203/230 and 460 V

575 V

3.7
1725
4.25
3698
56HZ
7/
8
896-1227
2.7
3.7
5.2
1.1875
Fixed
11.293-13.544
1...BX...35
66
6
1062

3
1725
3.45
3149
56HZ
7/
8
863-1141
3.1
4.1
6.2
1.1875
Fixed
11.286-14.475
1...BX...38
56
6
1002

3.7
1725
4.25
3698
56HZ
7/
8
896-1227
2.7
3.7
5.2
1.1875
Fixed
11.293-13.544
1...BX...35
66
6
1062

5
1745
5.75
4900
184T
11/8
873-1108
3.7
4.7
7.4
1.1875
Fixed
9.81-13.055
1...BX...38
47
6
991

5
1745
5.75
4900
S184T
11/8
805-1007
4.8
6.0
10.4
1.1875
Fixed
9.81-13.055
1...BX...45
40
6
906

5
1745
5.75
4900
184T
11/8
805-1007
4.8
6.0
10.4
1.1875
Fixed
9.81-13.055
1...BX...45
40
6
906

5
1745
5.75
4900
S184T
11/8
1113-1414
3.7
4.7
5.8
1.1875
Fixed
9.81-13.055
1...BX...35
60
6
1264

5
1745
5.75
4900
184T
11/8
1042-1285
4.3
5.3
7.2
1.1875
Fixed
9.81-13.055
1...BX...38
48
6
1164

5
1745
5.75
4900
S184T
11/8
1113-1414
3.7
4.7
5.8
1.1875
Fixed
9.81-13.055
1...BX...35
60
6
1264

5
1745
5.75
4900
184T
11/8
1113-1414
3.7
4.7
5.8
1.1875
Fixed
9.81-13.055
1...BX...35
60
6
1264

7.5
1745
8.63
7267
S213T
13/8
941-1176
4.8
6.0
8.9
1.1875
Fixed
9.025-12.179
1...BX...42
47
6
1059

7.5
1745
8.63
7267
S213T
13/8
941-1176
4.8
6.0
8.9
1.1875
Fixed
9.025-12.179
1...BX...42
47
6
1059

LEGEND
— Brake Horsepower

230

PHYSICAL DATA (cont)
OPERATING AND RIGGING WEIGHTS — 581A155,180
UNIT
581A

lb
1725

BASE UNIT OPERATING WEIGHTS*
155
180
kg
lb
782
1800

kg
816

*Base unit weight does not include electric heaters, copper coils, economizer, power exhaust, barometric relief or
crating. See Options and Accessories table below for more information.
NOTE: For 155 and 180 unit sizes add 75 lb (34 kg) for domestic crating. For export crating add 500 lb (227 kg).

OPTIONS AND ACCESSORIES — 581A155,180 (Weight Adders)
OPTION/
ACCESSORY

lb
50
85
90
85
150
280
200
250
343
60
—

Barometric Relief Damper
Power Exhaust
EconoMi$er IV
EconoMi$er2
Cu Condenser Coil
Cu Condenser and Evaporator Coils
Roof Curb (14-in. curb)
Horizontal Adapter Roof Curb (Preassembled)
Horizontal Adapter Roof Curb (Field-assembled)
Hail Guard
Hot Gas Reheat Dehumidification Package

OPTION/ACCESSORY WEIGHTS
48HJ015
48HJ017
kg
lb
23
50
39
85
41
90
39
85
68
150
127
280
91
200
113
250
156
343
27
60
—
40

kg
23
39
41
39
68
127
91
113
156
27
18

LEGEND
Cu — Copper

OPTIONS AND ACCESSORIES — 581A210-300 (Weight Adders)
OPTION/
ACCESSORY
Barometric Relief Damper
Power Exhaust
Economizer
Cu Condenser Coil
Cu Condenser and Evaporator Coils
5-Cell Gas Heat Assembly
8-Cell Gas Heat Assembly
Roof Curb (14 inch)
Optional Indoor Motor
Two-Position Damper
Hail Guard
Horizontal Airflow
Hot Gas Reheat
CO2 Sensor
Return Smoke Detector
Supply Smoke Detector
Non-Fused Disconnect
Non-Powered Convenience Outlet
Enthalpy Sensor
Differential Enthalpy Sensor
Drip Edge
Manual Damper

581A210
lb
50
125
170
162
316
85
113
210
28
45
85
90
70
5
5
5
15
20
2
3
5
25

kg
23
57
77
73
143
39
51
95
13
20
39
41
32
2
2
2
7
9
1
1
2
11

LEGEND
Cu
— Copper
HACR — Heating, Air Conditioning and Refrigeration

231

OPTION/ACCESSORY WEIGHTS
581A240
lb
kg
50
23
125
57
170
77
162
73
290
132
85
39
113
51
210
95
28
13
45
20
85
39
90
41
70
32
5
2
5
2
5
2
15
7
20
9
2
1
3
1
5
2
25
11

581A300
lb
50
125
195
202
365
85
113
210
20
45
100
90
85
5
5
5
15
20
2
3
5
25

kg
23
57
88
92
166
39
51
95
9
20
45
41
39
2
2
2
7
9
1
1
2
11

155
180

UNIT
581A

STD UNIT
WEIGHT
Lb
Kg
1725 782
1800 816

ECONOMI$ER IV
WEIGHT
Lb
Kg
90
41
90
41

CORNER
A
Lb
Kg
407 185
417 189

CORNER
C
Lb
Kg
383 174
481 218

CORNER
D
Lb
Kg
410 186
503 228
mm
991
961

DIM A
ft-in.
3-3
3- 2

Direction of airflow.

Center of Gravity.

mm
559
559

DIM C
ft-in.
1-10
1-10

5. Ductwork to be attached to accessory roof curb only.
6. Minimum clearance:
• Rear: 7′-0″ (2134) for coil removal. This dimension can be reduced to
4′-0″ (1219) if conditions permit coil removal from the top.
• 4′-0″ (1219) to combustible surfaces, all four sides (includes between
units).
• Left side: 4′-0″ (1219) for proper condenser coil airflow.
• Front: 4′-0″ (1219) for control box access.
• Right side: 4′-0″ (1219) for proper operation of damper and power
exhaust if so equipped.
• Top: 6′-0″ (1829) to assure proper condenser fan operation.
• Bottom: 14″ (356) to combustible surfaces (when not using curb).
• Control box side: 3′-0″ (914) to ungrounded surfaces, non-combustible.
• Control box side: 3′-6″ (1067) to block or concrete walls, or other
grounded surfaces.
• Local codes or jurisdiction may prevail.
7. With the exception of clearance for the condenser coil and the damper/
power exhaust as stated in Note #6, a removable fence or barricade
requires no clearance.
8. Dimensions are from outside of corner post. Allow 0′-5/16″ (8) on each side
for top cover drip edge.

4.

3.

mm
1051
1070

DIM B
ft-in.
3- 5
3-6

NOTES:
1. Refer to print for roof curb accessory dimensions.
2. Dimensions in ( ) are in millimeters.

CORNER
B
Lb
Kg
375 170
399 181

BASE UNIT DIMENSIONS — 581A155,180

a48-8219

232

BASE UNIT DIMENSIONS — 581A210-300

581A155, 180

a48-8206

233

CURB HEIGHT
1′-2″ (305)

2′-0″ (610)

2′-0″ (610)

PKG. NO. REF.
CRRFCURB010A00

CRRFCURB011A00

CRRFCURB012A00

DESCRIPTION
Standard Curb 14″ High
Standard Curb for Units
Requiring High Installation
Side Supply and Return
Curb for High Installation

581A155,180

Direction of airflow.

234

ALL

UNIT

in.

.45

Deg.

.28

A

.28

Deg.

B

DIMENSIONS* (degrees and inches)

.43

in.

5. Roof curb: 16 ga. (VA03-56) stl.
6. A 90 degree elbow must be installed on the supply ductwork
below the unit discharge for units equipped with electric heaters.
7. To prevent the hazard of stagnant water build-up in the drain pan of
the indoor section, unit can only be pitched as shown.

4.

NOTES:
1. Roof curb accessory is shipped disassembled.
2. Insulated panels: 1″ thick neoprene coated 11/2 lb density.
3. Dimensions in ( ) are in millimeters.

ACCESSORY DIMENSIONS — 581A155,180

a50-5670

ACCESSORY DIMENSIONS (cont)

a48-7458

2" X 1/4
SUPPORT TYP.
STITCH WELDED

3 1/2"

FULLY INSULATED
SUPPLY PLENUM
1" INSULATION
1 1/2 # DENSITY,
STICK PINNED & GLUED

14 3/4"

23"

6"

a48-7457
NOTE: CRRFCURB013A00 is a fully factory preassembled horizontal
adapter and includes an insulated transition duct. The pressure drop
through the adapter curb is negligible.
For horizontal return applications: The power exhaust and barometric
relief dampers must be installed in the return air duct.

a48-7459
ACCESSORY
PACKAGE NO.
CRRFCURB013A00

12" WIDE STANDING
SEAM PANELS

CURB
HEIGHT
1′-11″
(584)

DESCRIPTION
Pre-Assembled, Horizontal
Adapter Roof Curb

Horizontal Supply/Return Adapter Installation (581A155,180)

581A155, 180

2'-1 5/8"

2'-2 1/16"

48-1169df

1'-6 5/16"

For horizontal return applications: The power exhaust
relief must be installed in the return air duct.

Barometric Relief/Power Exhaust

235

ACCESSORY DIMENSIONS (cont)

a48-4184

Factory-Installed Convenience Outlet

a48-6126

Factory-Installed Non-Fused Disconnect

236

ACCESSORY DIMENSIONS — 581A210-300

581A155, 180

a48-8234

237

SELECTION PROCEDURE
Calculate pressure drop:
Design External Static Pressure 1.40
EconoMi$er IV
0.07
1.47 in. wg (ESP)
Enter Fan Performance tables for 581A180 (low heat
units) at 6,000 cfm and 1.47 in. wg. The rpm is 1228 and
the Bhp is 4.73. The factory-installed 5 hp motor and alternate high-static drive are sufficient for this operation.
V DETERMINE NET COOLING CAPACITIES.
Cooling capacities are gross capacities and do not include
indoor (evaporator) fan motor (IFM) heat. To determine
input power to the motor, enter the Fan Performance
tables for 581A180 (low heat units) at 6,000 cfm and
1.47 in. wg. Input watts to the motor are 4035.
Determine net cooling capacity and net sensible cooling
capacity using the following formulas:
IFM Heat = Input Watts x 3.412 Btuh/Watt
= 4035 x 3.412
= 13,767 Btuh
Net Capacity = Gross Capacity – IFM Heat
= 190,000 – 13,767
= 176,233 Btuh
Net Sensible Cap. = Gross Sensible Cap. – IFM Heat
= 136,000 – 13,767
= 122,233 Btuh
The calculations show that a 581A180275 unit is the correct selection for the given conditions.
VI SELECT THE UNIT THAT CORRESPONDS TO POWER
SOURCE AVAILABLE.
The electrical data table shows that the 230-3-60 unit is
available.

I DETERMINE COOLING AND HEATING REQUIREMENTS AT DESIGN CONDITIONS.
Given:
Required Gross Cooling
Capacity (TC) . . . . . . . . . . . . . . . . . . . . . . 168,000 Btuh
Gross Sensible Heat
Capacity (SHC) . . . . . . . . . . . . . . . . . . . . . 121,000 Btuh
Required Heating Capacity. . . . . . . . . . . . . . 190,000 Btuh
Condenser Entering Air
Temperature . . . . . . . . . . . . . . . . . . . . . . . 95 F Summer
Indoor Air Temperature . . . . . . . . . . . . 80 F edb, 67 F ewb
Evaporator Air Quantity . . . . . . . . . . . . . . . . . . . 6,000 cfm
External Static Pressure . . . . . . . . . . . . . . . . . . 1.40 in. wg
Electrical Characteristics (V-Ph-Hz) . . . . . . . . . . 230-3-60
II SELECT UNIT BASED ON REQUIRED COOLING
CAPACITY.
Enter Cooling Capacities table for 581A180 at condenser
entering temperature of 95 F, evaporator air quantity of
6,000 cfm, and indoor air temperature of 67 F. The
581A180 unit will provide a total cooling capacity of
190,000 Btuh and a SHC of 136,000 Btuh. For evaporator
air temperatures other than 80 F, calculate SHC correction
using formula in notes under cooling capacity tables.
Unit meets design conditions for TC and SHC.
NOTE: Unit ratings are gross capacities and do not
include the effect of indoor fan motor heat. To calculate net
capacities, see Step V.
III SELECT HEATING CAPACITY OF UNIT TO PROVIDE
DESIGN CONDITION REQUIREMENT.
In Heating Capacities and Efficiencies table, note that
581A180275 unit will provide 223,000 Btuh with an input
of 275,000 Btuh.
IV DETERMINE FAN SPEED AND POWER REQUIREMENTS AT DESIGN CONDITIONS.
Before entering the Fan Performance tables, calculate the
total static pressure required based on unit components.
Tabulated fan performance includes filters and wet evaporator coil. Refer to Accessory/FIOP Static Pressure table
for added pressure drops.

238

PERFORMANCE DATA
COOLING CAPACITIES — STANDARD UNITS
581A155 (12 Tons)
Temp (F)
Air Ent
Cond
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

60
70
75
85
95
105
115
125

3600/0.01
54
152
152
7.56
148
148
8.5
146
146
9.02
142
142
10.1
138
138
11.4
134
134
12.7
129
129
14.2
124
124
15.8

58
156
144
7.65
152
141
8.58
150
139
9.1
145
136
10.2
141
133
11.4
136
129
12.8
130
125
14.2
125
121
15.8

62
161
135
7.74
156
133
8.67
154
132
9.18
149
129
10.3
143
127
11.5
138
124
12.8
132
121
14.3
126
118
15.9

67
174
114
8.01
169
112
8.97
166
111
9.45
161
109
10.6
155
106
11.8
149
104
13.2
143
101
14.6
136
98.2
16.2

72
189
92.9
8.33
183
90.6
9.26
181
89.7
9.8
175
87.4
10.9
168
85
12.2
162
82.4
13.5
155
79.8
15
147
77
16.6

76
201
75.4
8.6
195
73.2
9.53
192
72.2
10.1
186
70
11.2
179
67.7
12.4
172
65.3
13.8
164
62.7
15.3
156
60.1
17

80
213
57.5
8.86
206
55.4
9.8
204
54.6
10.4
196
52.4
11.5
189
50.1
12.7
181
47.7
14.1
172
45.1
15.6
163
42.5
17.2

54
161
161
7.76
157
157
8.7
155
155
9.22
151
151
10.3
147
147
11.6
141
141
12.9
136
136
14.4
131
131
16.1

58
164
156
7.82
160
153
8.75
158
151
9.27
153
147
10.4
148
144
11.6
142
139
13
137
135
14.4
131
130
16.1

Evap Air — Cfm/BF
4375/0.01
Evap Air — Ewb (F)
62
67
72
167
180
195
150
125 99.6
7.88 8.14 8.46
162
174
189
148
123 97.3
8.81 9.07 9.39
160
172
186
146
122 96.2
9.31 9.58 9.91
154
166
179
144
119
93.9
10.4 10.7
11
149
160
173
141
117
91.6
11.6 11.9 12.3
143
153
166
137
114
89
13 13.3 13.6
138
146
158
133
111
86.3
14.5 14.7 15.1
132
140
150
128
109 83.5
16.1 16.4 16.7

5000/0.01
76
207
78.7
8.72
200
76.5
9.66
197
75.5
10.2
190
73.2
11.3
183
70.9
12.6
176
68.4
13.9
168
65.9
15.5
159
63.2
17.1

80
218
57.5
8.97
211
55.3
9.91
208
54.6
10.5
200
52.3
11.6
192
50
12.8
184
47.5
14.2
175
45
15.7
165
42.5
17.3

54
169
169
7.92
165
165
8.86
163
163
9.39
158
158
10.5
153
153
11.8
148
148
13.1
142
142
14.6
136
136
16.3

58
171
166
7.95
166
162
8.89
164
161
9.41
159
157
10.5
153
153
11.8
148
148
13.1
142
142
14.6
136
136
16.2

62
172
162
7.98
167
160
8.91
164
158
9.43
159
155
10.5
154
152
11.8
148
148
13.1
142
142
14.6
136
136
16.2

67
184
134
8.24
179
132
9.16
176
131
9.68
170
128
10.8
164
126
12
157
123
13.4
149
120
14.8
142
117
16.4

72
199
105
8.55
193
103
9.49
189
101
9.99
183
99.1
11.1
177
96.9
12.4
169
94.3
13.7
161
91.6
15.2
153
88.7
16.8

76
211
81.3
8.82
204
79.1
9.76
201
78.1
10.3
194
75.8
11.4
187
73.5
12.7
179
70.9
14
171
68.4
15.6
162
65.7
17.2

80
222
57.4
9.06
214
55.3
9.99
212
54.5
10.6
203
52.2
11.7
195
49.9
12.9
186
47.4
14.3
177
45
15.7
167
42.4
17.4

581A155 (12 Tons) (cont)
Evap Air — Cfm/BF
Temp (F)
Air Ent
Cond
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

60
70
75
85
95
105
115
125

—
—
—
—
—
—
—
—

54
175
175
8.03
170
170
8.98
168
168
9.5
163
163
10.6
158
158
11.9
152
152
13.2
146
146
14.7
140
140
16.4

58
175
173
8.05
171
169
8.99
168
167
9.51
163
162
10.6
158
157
11.9
152
152
13.2
146
146
14.7
140
140
16.4

62
176
171
8.07
171
168
9.01
169
166
9.52
164
162
10.6
158
157
11.9
152
152
13.2
146
146
14.7
140
140
16.4

67
187
142
8.3
181
140
9.23
179
139
9.75
172
136
10.9
166
134
12.1
159
131
13.4
151
128
14.9
144
125
16.5

6250/0.02
72
202
110
8.61
195
108
9.55
192
107
10.1
185
104
11.2
178
102
12.4
171
99.3
13.8
163
96.6
15.3
155
93.7
16.9

76
214
83.8
8.87
207
81.5
9.81
203
80.5
10.3
196
78.2
11.5
189
75.9
12.7
181
73.3
14.1
172
70.7
15.6
163
67.9
17.2

Evap Air — Ewb (F)
80
54
224
180
57.3
180
9.1
8.14
216
175
55.2
175
10
9.09
213
173
54.4
173
10.6
9.62
205
168
52.2
168
11.7
10.7
196
162
49.8
162
12.9
12
187
157
47.4
157
14.3
13.4
177
150
44.9
150
15.8
14.9
167
144
42.4
144
17.4
16.5

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb = Wet-bulb temperature corresponding to enthalpy of air leaving evaporator coil (hlwb)
total capacity (Btuh)
hlwb = hewb –
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

58
180
180
8.15
176
176
9.1
173
173
9.62
168
168
10.7
162
162
12
157
157
13.4
150
150
14.9
144
144
16.5

62
180
180
8.16
176
176
9.11
173
173
9.62
168
168
10.8
162
162
12
157
157
13.4
150
150
14.9
144
144
16.5

BYPASS
FACTOR
(BF)

79
81

.05
.10
.20
.30

1.04
.98
.87
.76

67
190
151
8.36
184
148
9.3
181
147
9.81
175
145
10.9
168
142
12.1
161
139
13.5
153
136
14.9
146
133
16.6

72
204
115
8.66
198
113
9.61
195
112
10.1
188
109
11.2
180
107
12.5
173
104
13.9
165
102
15.4
156
98.7
17

76
216
86.2
8.93
209
84
9.87
206
83
10.4
198
80.6
11.5
190
78.3
12.8
182
75.7
14.2
174
73.1
15.7
164
70.2
17.3

80
226
57.2
9.14
218
55.1
10.1
215
54.3
10.6
206
52.1
11.8
197
49.7
13
188
47.4
14.4
178
44.8
15.8
168
42.3
17.4

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07 3.11 4.14 5.18
1.96 2.94 3.92 4.90
Use formula
1.74 2.62 3.49 4.36
shown below.
1.53 2.29 3.05 3.82

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).
4. Use chart below for bypass factor.

239

CFM

54

58

3600
4375
5000
5625
6250

0.355
0.439
0.486
0.525
0.551

0.158
0.255
0.314
0.360
0.410

ENTERING WET-BULB (F)
62
67
72
Bypass Factor
0.054
0.038
0.049
0.112
0.043
0.057
0.126
0.054
0.037
0.174
0.066
0.073
0.202
0.080
0.079

76

80

0.000
0.000
0.000
0.000
0.000

0.000
0.000
0.000
0.000
0.000

581A155, 180

BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

5625/0.02

PERFORMANCE DATA (cont)
COOLING CAPACITIES — STANDARD UNITS (cont)
581A180 (15 Tons)
Temp (F)
Air Ent
Cond
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

60
70
75
85
95
105
115
125

4500/0.01
54
180.5
180.5
9.41
176.7
176.7
10.5
174.7
174.7
11.07
169.6
169.6
12.29
164.3
164.3
13.59
158.1
158.1
14.97
151.8
151.8
16.45
144.7
144.7
17.96

58
184.6
172.4
9.49
180.5
169
10.57
177.5
167.2
11.14
172.2
163.3
12.35
166.5
158.9
13.65
159.8
154.2
15.02
152.8
149.1
16.48
145.4
143.5
18.01

62
188.7
159.4
9.58
184.4
155.8
10.64
181
147
11.2
175
145
12.3
168
142
13.5
161
138
14.8
152
134
16.1
146
123.4
18.05

67
203.5
132.3
9.87
199
129.4
10.96
196
124
11.6
190
121
12.7
182
118
13.9
174
115
15.2
165
111
16.5
157.1
102.2
18.49

72
219.9
104.7
10.19
215.1
102.4
11.35
213
99
12
205
97
13.1
197
93
14.3
188
91
15.6
179
87
16.9
170.5
81.16
18.99

76
233.7
87.9
10.47
227.8
86
11.62
224.2
84.9
12.23
218.1
82.5
13.5
209.8
79.8
14.85
200.3
76.8
16.28
190.6
73.7
17.79
180.7
70.4
19.44

80
247
65.7
10.78
242
63.9
11.95
238
62.9
12.57
230.8
60.7
13.86
221.2
57.9
15.23
212.4
55.2
16.69
201.3
52.1
18.21
191.1
48.9
19.85

54
189.3
189.3
9.58
185.3
185.3
10.68
182.3
182.3
11.25
177.2
177.2
12.47
171.7
171.7
13.8
165.2
165.2
15.19
158.4
158.4
16.68
150.8
150.8
18.18

58
191.7
183.2
9.63
187.5
179.7
10.72
184.4
177.9
11.3
179
174.1
12.51
172.6
168.8
13.82
166
163.1
15.21
158.8
157
16.68
151.1
150.2
18.22

Evap Air — Cfm/BF
5250/0.01
Evap Air — Ewb (F)
62
67
72
194.2 208.7 224.1
173.2 142.8 110.4
9.68 9.97 10.29
189.8 203 219.2
169.3 138.9 108
10.76 11.06 11.45
186
201
217
160
133
105
11.3 11.7 12.1
180
194
209
157
130
102
12.5 12.8 13.2
172
187
201
154
127
98
13.6
14
14.4
165
178
191
150
124
95
14.9 15.3 15.7
157
168
180
145
120
91
16.2 16.6
17
151.5 160.2 172.9
135.2 109.6 85.15
18.25 18.6 19.11

6000/0.01
76
238
91
10.57
231.8
89.1
11.72
229.2
88
12.33
221.9
85.6
13.61
213.4
82.8
14.96
203.8
79.9
16.39
194
76.7
17.91
183.9
73.4
19.5

80
251
65.5
10.87
245
63.8
12.04
242
62.8
12.66
233.3
60.5
13.96
224.6
57.9
15.32
214.6
55.1
16.77
204.5
52.1
18.3
192
48.8
19.89

54
198.1
198.1
9.75
193
193
10.85
190.9
190.9
11.45
185.6
185.6
12.67
179.1
179.1
14
172.3
172.3
15.41
165
165
16.89
156.8
156.8
18.42

58
198.8
195.1
9.77
194.5
191.4
10.87
191.3
189.5
11.45
185.9
184.7
12.68
179.3
178.7
14
172.3
172.2
15.4
164.9
164.9
16.88
156.9
156.9
18.44

62
199.6
185.1
9.79
195.1
181
10.89
189
173
11.4
183
168
12.6
176
164
13.8
169
158
15.1
161
151
16.4
157
145.6
18.46

67
212.9
153.1
10.07
208.1
149.7
11.17
204
143
11.8
198
139
12.9
190
136
14.1
181
132
15.4
171
128
16.7
163.2
117.4
18.72

72
229.3
116.7
10.39
224.3
114.2
11.55
219
113
12.1
212
106
13.3
203
102
14.5
193
98
15.7
181
94
17
175.4
89.3
19.14

76
242
94
10.67
237
92.2
11.82
233.1
91
12.44
225.7
88.6
13.71
217.1
86
15.07
207.3
83
16.5
197.3
79.8
18.01
186.2
76.4
19.65

80
255
65.4
10.95
248
63.7
12.13
246
62.7
12.75
237
60.4
14.05
228
57.8
15.43
216.8
54.9
16.86
206.6
51.9
18.39
193.9
48.7
19.93

581A180 (15 Tons) (cont)
Evap Air — Cfm/BF
Temp (F)
Air Ent
Cond
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

60
70
75
85
95
105
115
125

BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

—
—
—
—
—
—
—
—

6750/0.01
54
203.8
203.8
9.88
199.6
199.6
10.99
196.4
196.4
11.58
191
191
12.81
184.4
184.4
14.15
176.7
176.7
15.55
169.5
169.5
17.05
160.9
160.9
18.57

58
204.2
201.8
9.88
199.8
197.8
10.99
196.6
195.7
11.58
191.1
190.5
12.81
184.5
184.2
14.15
176.7
176.7
15.55
169.4
169.4
17.04
161.1
161.1
18.59

62
204.6
191.2
9.89
200.1
187
11
194
181
11.6
188
175
12.7
181
170
13.9
173
162
15.2
166
155
16.6
161.2
150.7
18.62

67
216.3
164.1
10.13
210.5
159.7
11.24
206
153
11.9
200
148
13
192
144
14.2
182
140
15.5
172
136
16.8
165.6
125.6
18.81

7500/0.02
72
231.7
124.1
10.45
226.5
121.3
11.6
220
120
12.2
213
115
13.3
205
108
14.6
194
103
15.8
183
98
17.1
177.4
95.04
19.18

76
244
97
10.72
239
95.2
11.88
235
94
12.5
227.8
91.6
13.77
219.1
88.9
15.14
209.2
86
16.57
198.2
82.7
18.08
187.9
79.4
19.68

Evap Air — Ewb (F)
80
54
257
209.5
65.4
209.5
11
9.99
250
205.2
63.5
205.2
12.18
11.12
247
201.9
62.5
201.9
12.8
11.71
239
196.4
60.2
196.4
14.1
12.96
229.7
189.7
57.7
189.7
15.47
14.29
218.5
181.9
54.9
181.9
16.9
15.7
207.1
173.9
51.8
173.9
18.42
17.2
195.4
165.1
48.7
165.1
20.06
18.72

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb = Wet-bulb temperature corresponding to enthalpy of air leaving evaporator coil (hlwb)
total capacity (Btuh)
hlwb = hewb –
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

58
209.5
209.5
9.99
205.1
205.1
11.11
201.9
201.9
11.7
196.4
196.4
12.95
189.7
189.7
14.29
181.9
181.9
15.7
173.8
173.8
17.2
165.2
165.2
18.75

62
209.6
196.6
9.99
205.1
192.4
11.11
198
186
11.7
192
180
12.8
185
174
14
177
166
15.3
169
158
16.7
165.4
155.2
18.78

BYPASS
FACTOR
(BF)

79
81

.05
.10
.20
.30

1.04
.98
.87
.76

67
218.8
173.7
10.19
213.8
169.8
11.31
208
163
11.9
202
157
13.1
194
153
14.3
184
148
15.5
174
142
16.9
167.8
133.2
18.91

72
235
138.1
10.51
228.8
134.5
11.65
223
163
11.9
214
119
13.4
206
113
14.6
194
107
15.8
183
101
17.1
179.2
105.3
19.33

76
248
100
10.78
241
98.2
11.94
237
97.1
12.56
229.8
94.6
13.84
221.1
91.9
15.2
211.1
88.9
16.64
200
85.6
18.15
188.6
82.3
19.71

80
259
65.2
11.05
252
63.5
12.22
249
62.5
12.84
241
60.2
14.13
230.5
57.6
15.51
220.1
54.7
16.94
208.6
51.7
18.45
196
48.6
20.09

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07 3.11 4.14 5.18
1.96 2.94 3.92 4.90
Use formula
1.74 2.62 3.49 4.36
shown below.
1.53 2.29 3.05 3.82

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).
4. Use chart below for bypass factor.

240

CFM

54

58

4500
5250
6000
6750
7500

0.396
0.455
0.504
0.544
0.578

0.193
0.272
0.337
0.390
0.436

ENTERING WET-BULB (F)
62
67
72
Bypass Factor
0.054
0.053
0.067
0.077
0.065
0.077
0.121
0.077
0.088
0.193
0.094
0.100
0.244
0.108
0.114

76

80

0.000
0.000
0.000
0.000
0.000

0.000
0.000
0.000
0.000
0.000

PERFORMANCE DATA (cont)
COOLING CAPACITIES — STANDARD UNITS (cont)
581A210 (18 Tons)
Temp (F)
Air Ent
Cond
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

60
70
75
85
95
105
115
125

5400/0.05
54
202
202
10.2
197
197
11.4
195
195
12.1
190
190
13.5
184
184
15
178
178
16.6
171
171
18.4
164
164
20.2

58
206
193
10.3
202
189
11.5
199
187
12.2
193
183
13.5
187
179
15
180
173
16.7
172
168
18.4
165
162
20.3

62
211
184
10.4
206
181
11.5
203
180
12.2
196
177
13.6
190
173
15.1
182
169
16.7
174
165
18.4
165
160
20.3

67
229
155
10.6
223
152
11.8
219
150
12.5
213
148
13.8
205
144
15.4
197
141
17
188
137
18.8
178
134
20.6

72
248
124
10.8
242
122
12
238
120
12.7
231
118
14.1
222
114
15.7
213
111
17.3
203
107
19.1
192
104
21

76
263
99.3
11
256
97
12.2
253
95.8
13
246
93.4
14.4
236
90.2
15.9
228
87.3
17.7
217
83.6
19.4
205
79.8
21.3

80
279
74.7
11.2
272
72.5
12.5
268
71.3
13.2
260
68.8
14.6
250
65.9
16.2
240
62.9
17.9
228
59.6
19.7
216
56.1
21.6

54
212
212
10.4
207
207
11.6
204
204
12.3
199
199
13.6
193
193
15.1
186
186
16.8
179
179
18.6
171
171
20.4

58
215
205
10.4
209
202
11.6
206
199
12.3
201
195
13.7
194
190
15.2
187
184
16.8
179
178
18.6
171
171
20.4

Evap Air — Cfm/BF
6300/0.06
Evap Air — Ewb (F)
62
67
72
218
235
254
199
166
131
10.4 10.7 10.9
212
228
247
196
163
129
11.6 11.9 12.1
209
225
244
195
162
127
12.3 12.6 12.8
202
218
236
191
159
125
13.7 13.9 14.2
195
210
227
187
156
121
15.2 15.5 15.8
188
201
217
183
152
118
16.8 17.1 17.4
179
192
207
178
149
114
18.6 18.9 19.2
171
182
196
171
145
110
20.4 20.8 21.1

7200/0.07
76
269
103
11.1
262
101
12.3
258
99.3
13
251
96.9
14.5
241
93.7
16
232
90.8
17.8
221
87.1
19.5
208
83.2
21.4

80
285
74.9
11.3
277
72.7
12.6
273
71.4
13.3
264
68.9
14.7
254
66.1
16.3
244
63.1
18
232
59.7
19.8
219
56.3
21.7

54
220
220
10.5
215
215
11.7
212
212
12.4
206
206
13.7
200
200
15.3
193
193
16.9
185
185
18.7
177
177
20.6

58
221
216
10.5
216
212
11.7
213
210
12.4
207
205
13.8
200
199
15.3
193
193
16.9
185
185
18.7
177
177
20.6

62
223
213
10.5
217
210
11.7
214
208
12.4
208
204
13.8
201
199
15.3
193
193
16.9
185
185
18.7
177
177
20.6

67
239
177
10.7
233
174
11.9
229
173
12.6
222
170
14
214
167
15.5
205
163
17.2
195
159
19
185
155
20.8

72
259
138
11
252
135
12.2
248
134
12.9
240
131
14.3
231
128
15.8
221
124
17.5
210
121
19.3
199
117
21.2

76
273
106
11.2
267
104
12.4
263
103
13.1
255
100
14.5
245
97.1
16.1
235
94.1
17.8
224
90.4
19.6
211
86.5
21.5

80
289
75
11.4
282
72.8
12.6
277
71.5
13.3
268
69
14.8
258
66.2
16.3
247
63.2
18
235
59.9
19.9
222
56.4
21.8

581A210 (18 Tons) (cont)
Evap Air — Cfm/BF
Temp (F)
Air Ent
Cond
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

60
70
75
85
95
105
115
125

—
—
—
—
—
—
—
—

54
227
227
10.5
222
222
11.8
219
219
12.5
213
213
13.8
206
206
15.4
199
199
17
191
191
18.8
182
182
20.7

58
227
226
10.6
222
221
11.8
219
218
12.5
213
213
13.8
206
206
15.4
199
199
17.1
191
191
18.8
182
182
20.7

62
228
224
10.6
222
221
11.8
219
218
12.5
213
213
13.8
206
206
15.4
199
199
17.1
191
191
18.8
182
182
20.7

67
243
187
10.7
236
185
12
232
183
12.7
225
180
14.1
217
177
15.6
208
173
17.3
198
169
19
188
165
20.9

9000/0.09
72
262
144
11
255
142
12.2
251
140
12.9
243
138
14.3
234
134
15.9
224
131
17.6
213
127
19.3
201
123
21.2

76
277
109
11.2
271
107
12.5
266
106
13.2
258
103
14.6
248
100
16.1
238
97.2
17.9
226
93.5
19.7
213
89.6
21.6

Evap Air — Ewb (F)
80
54
293
233
75.1
233
11.4
10.6
284
228
72.8
228
12.7
11.9
280
225
71.6
225
13.4
12.6
271
218
69.1
218
14.8
13.9
260
211
66.3
211
16.4
15.5
249
203
63.2
203
18.1
17.2
237
195
60
195
19.9
18.9
224
186
56.5
186
21.9
20.9

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb = Wet-bulb temperature corresponding to enthalpy of air leaving evaporator coil (hlwb)
total capacity (Btuh)
hlwb = hewb –
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

58
233
233
10.6
228
228
11.9
224
224
12.5
218
218
13.9
211
211
15.5
203
203
17.2
195
195
18.9
186
186
20.9

62
233
233
10.6
227
227
11.8
224
224
12.5
218
218
13.9
211
211
15.5
204
204
17.2
195
195
18.9
186
186
20.9

BYPASS
FACTOR
(BF)

79
81

.05
.10
.20
.30

1.04
.98
.87
.76

67
246
198
10.8
239
195
12
235
193
12.7
228
190
14.1
220
187
15.6
210
183
17.3
201
179
19.1
190
174
21

72
265
151
11
258
148
12.3
254
147
13
245
144
14.4
236
141
15.9
226
137
17.6
215
133
19.4
203
129
21.3

76
280
113
11.3
272
110
12.5
268
109
13.2
260
107
14.6
250
103
16.2
240
100
17.9
228
96.6
19.7
215
92.6
21.6

80
295
75.1
11.5
287
72.9
12.7
282
71.7
13.4
273
69.2
14.8
262
66.4
16.4
251
63.4
18.1
238
60
19.9
225
56.6
21.9

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07 3.11 4.14 5.18
1.96 2.94 3.92 4.90
Use formula
1.74 2.62 3.49 4.36
shown below.
1.53 2.29 3.05 3.82

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).
4. Use chart below for bypass factor.

241

CFM

54

58

5400
6300
7200
8100
9000

0.424
0.478
0.525
0.562
0.594

0.238
0.304
0.364
0.414
0.456

ENTERING WET-BULB (F)
62
67
72
Bypass Factor
0.125
0.120
0.138
0.153
0.132
0.145
0.190
0.144
0.153
0.231
0.156
0.162
0.281
0.168
0.170

76

80

0.000
0.000
0.000
0.000
0.000

0.000
0.000
0.000
0.000
0.000

581A155, 180

BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

8100/0.08

PERFORMANCE DATA (cont)
COOLING CAPACITIES — STANDARD UNITS (cont)
581A240 (20 Tons)
Temp (F)
Air Ent
Cond
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

60
70
75
85
95
105
115
125

6,000/0.04
54
235
235
11.5
231
231
13.1
228
228
13.9
223
223
15.6
216
216
17.4
208
208
19.3
200
200
21.3
191
191
23.5

58
242
224
11.6
237
220
13.2
234
218
14
227
213
15.7
219
208
17.5
211
202
19.4
202
195
21.4
192
188
23.5

62
248
212
11.7
242
209
13.3
239
208
14.1
231
204
15.8
223
200
17.6
214
195
19.5
204
190
21.5
193
185
23.6

67
267
178
12
261
175
13.6
257
174
14.5
250
171
16.2
241
167
18.1
231
163
20
220
158
22
208
153
24.2

72
288
143
12.4
282
141
14
278
139
14.9
270
136
16.6
260
132
18.6
249
129
20.6
237
124
22.7
224
120
24.8

76
306
115
12.7
300
113
14.3
295
112
15.2
287
109
17.1
277
105
19
265
101
21
253
97.2
23.2
239
92.8
25.4

80
323
86.6
13
316
84.5
14.6
311
83.1
15.6
303
80.5
17.4
292
77.2
19.4
279
73.6
21.5
266
69.5
23.6
251
65.3
25.9

54
247
247
11.7
242
242
13.3
239
239
14.1
234
234
15.8
226
226
17.7
218
218
19.6
209
209
21.7
199
199
23.8

58
251
238
11.8
246
234
13.3
243
232
14.2
236
227
15.9
228
221
17.7
219
215
19.6
210
207
21.7
199
199
23.8

Evap Air — Cfm/BF
7,000/0.05
Evap Air — Ewb (F)
62
67
72
256
274
296
230
191
151
11.8 12.1 12.5
250
268
289
227
189
149
13.4 13.7 14.1
246
264
285
225
187
147
14.2 14.6
15
238
256
277
221
184
144
15.9 16.3 16.8
230
247
267
217
180
141
17.8 18.2 18.7
220
236
256
212
176
137
19.7 20.2 20.8
210
225
243
206
171
132
21.7 22.2 22.9
200
212
230
199
166
128
23.8 24.4
25

8,000/0.05
76
312
119
12.8
305
117
14.4
301
115
15.3
292
112
17.2
282
109
19.1
270
105
21.2
257
101
23.3
243
96.4
25.5

80
330
87
13.1
323
84.9
14.8
318
83.6
15.7
310
80.9
17.6
298
77.7
19.6
285
74
21.6
271
70
23.8
255
65.7
26

54
257
257
11.9
252
252
13.4
249
249
14.3
243
243
16
235
235
17.9
226
226
19.9
217
217
21.9
207
207
24.1

58
259
251
11.9
254
247
13.5
250
245
14.3
244
240
16.1
235
233
17.9
226
226
19.9
217
217
21.9
207
207
24.1

62
262
246
11.9
256
243
13.5
252
241
14.4
245
236
16.1
236
231
17.9
226
225
19.9
217
217
21.9
206
206
24.1

67
279
204
12.2
273
201
13.8
269
199
14.7
261
196
16.5
251
192
18.3
241
188
20.3
229
183
22.4
216
178
24.5

72
300
159
12.6
293
156
14.2
290
155
15.1
282
152
16.9
272
148
18.9
260
145
20.9
248
140
23
232
135
25.1

76
317
123
12.9
310
120
14.5
305
119
15.4
296
116
17.3
285
112
19.2
273
108
21.3
260
104
23.4
245
99.8
25.7

80
333
86.7
13.1
326
84.6
14.8
322
83.5
15.8
314
81.3
17.7
303
78
19.7
290
74.4
21.8
275
70.4
23.9
257
65.5
26.1

581A240 (20 Tons) (cont)
Evap Air — Cfm/BF
Temp (F)
Air Ent
Cond
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

60
70
75
85
95
105
115
125

BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

—
—
—
—
—
—
—
—

9,000/0.06
54
265
265
12
260
260
13.6
256
256
14.5
250
250
16.2
242
242
18.1
233
233
20.1
223
223
22.2
213
213
24.3

58
266
262
12
261
258
13.6
257
255
14.5
250
250
16.2
242
242
18.1
233
233
20.1
223
223
22.1
212
212
24.3

62
267
260
12
261
256
13.6
258
254
14.5
250
249
16.2
242
242
18.1
233
233
20.1
223
223
22.1
212
212
24.3

67
284
216
12.3
277
213
13.9
273
211
14.8
265
208
16.5
255
204
18.4
244
200
20.4
232
195
22.5
219
189
24.6

10,000/0.07
72
305
166
12.7
298
164
14.3
294
162
15.2
285
159
17
274
155
18.9
263
152
21
250
147
23.1
234
142
25.2

76
321
126
12.9
315
124
14.6
310
123
15.5
301
120
17.4
288
116
19.3
275
112
21.4
262
108
23.5
247
103
25.7

Evap Air — Ewb (F)
80
54
338
272
87
272
13.2
12.1
331
266
85
266
14.9
13.7
326
263
83.7
263
15.8
14.6
316
257
81
257
17.7
16.4
304
248
77.8
248
19.7
18.3
291
239
74.2
239
21.8
20.3
276
229
70.2
229
24
22.3
258
218
65.4
218
26.2
24.5

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb = Wet-bulb temperature corresponding to enthalpy of air leaving evaporator coil (hlwb)
total capacity (Btuh)
hlwb = hewb –
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

58
272
271
12.1
267
267
13.7
263
263
14.6
256
256
16.4
248
248
18.3
239
239
20.2
228
228
22.3
217
217
24.5

62
272
271
12.1
267
267
13.7
263
263
14.6
256
256
16.4
248
248
18.2
239
239
20.2
228
228
22.3
217
217
24.5

BYPASS
FACTOR
(BF)

79
81

.05
.10
.20
.30

1.04
.98
.87
.76

67
287
227
12.4
281
225
14
277
223
14.9
268
220
16.6
258
215
18.5
247
211
20.5
235
206
22.6
222
200
24.7

72
307
173
12.7
301
171
14.3
296
169
15.2
287
166
17
276
162
19
264
158
21
251
154
23.1
235
148
25.3

76
325
130
13
317
127
14.6
312
126
15.6
303
123
17.4
292
120
19.4
279
116
21.5
263
111
23.6
248
106
25.8

80
340
86.7
13.3
333
84.7
15
327
83.4
15.9
317
80.7
17.7
306
77.6
19.7
291
73.9
21.8
276
69.9
24
259
65.2
26.2

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07 3.11 4.14 5.18
1.96 2.94 3.92 4.90
Use formula
1.74 2.62 3.49 4.36
shown below.
1.53 2.29 3.05 3.82

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).
4. Use chart below for bypass factor.

242

CFM

54

58

6,000
7,000
8,000
9,000
10,000

0.386
0.444
0.492
0.532
0.566

0.197
0.260
0.321
0.375
0.420

ENTERING WET-BULB (F)
62
67
72
Bypass Factor
0.108
0.109
0.134
0.131
0.121
0.138
0.163
0.133
0.145
0.205
0.146
0.154
0.245
0.158
0.164

76

80

0.000
0.000
0.000
0.000
0.000

0.000
0.000
0.000
0.000
0.000

PERFORMANCE DATA (cont)
COOLING CAPACITIES — STANDARD UNITS (cont)
581A300 (25 Tons)
Temp (F)
Air Ent
Cond
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

60
70
75
85
95
105
115
125

7,500/0.05
54
287
287
15.5
279
279
17
275
275
17.9
267
267
19.8
259
259
22.1
253
253
24.9
246
246
28.1
238
238
31.6

58
296
274
15.7
286
267
17.2
281
264
18.1
272
257
19.9
263
251
22.2
256
246
25
249
240
28.2
240
234
31.7

62
304
261
15.9
293
255
17.3
287
252
18.2
277
247
20
267
242
22.3
260
239
25.1
252
235
28.3
242
230
31.7

67
331
220
16.5
318
214
18
311
212
18.8
299
207
20.6
288
202
22.8
279
198
25.4
270
195
28.6
259
190
32

72
359
178
17.3
345
173
18.7
338
170
19.5
324
165
21.2
311
160
23.4
301
156
25.9
291
152
29
279
148
32.4

76
385
145
17.9
367
139
19.3
360
136
20.1
345
131
21.8
331
126
23.9
318
122
26.4
305
118
29.3
293
114
32.6

80
408
110
18.6
392
105
20
383
102
20.8
366
97.3
22.4
350
92.5
24.5
335
87.9
26.9
320
83.5
29.6
305
79.2
32.9

54
297
297
15.7
288
288
17.2
283
283
18.1
274
274
20
267
267
22.3
260
260
25.1
253
253
28.3
245
245
31.8

58
304
285
15.9
293
278
17.3
288
274
18.2
278
267
20.1
270
261
22.4
262
255
25.1
255
250
28.3
246
243
31.8

Evap Air — Cfm/BF
8,250/0.06
Evap Air — Ewb (F)
62
67
72
310
336
367
273
229
185
16 16.7 17.4
298
323
350
268
224
178
17.5 18.1 18.8
293
316
343
265
221
176
18.4 18.9 19.7
282
304
329
259
216
171
20.1 20.7 21.4
273
293
315
255
212
166
22.5 22.9 23.5
264
282
304
250
207
162
25.1 25.5
26
256
274
294
246
204
158
28.3 28.6
29
246
262
281
240
199
153
31.8 32.1 32.4

9,500/0.07
76
390
148
18.1
372
142
19.4
365
139
20.3
350
134
22
335
129
24
322
125
26.5
309
121
29.4
295
116
32.7

80
414
110
18.7
397
105
20.1
388
103
20.9
370
97.3
22.6
354
92.5
24.6
338
87.8
26.9
323
83.4
29.7
310
79.7
33

54
311
311
16
301
301
17.5
296
296
18.4
286
286
20.2
278
278
22.6
269
269
25.2
262
262
28.4
253
253
31.9

58
315
303
16.1
303
294
17.6
298
290
18.5
287
282
20.3
279
276
22.6
270
268
25.2
262
261
28.4
253
253
31.9

62
319
294
16.2
306
287
17.7
300
284
18.5
289
278
20.3
281
273
22.6
270
267
25.2
262
261
28.4
253
253
31.9

67
345
246
16.9
329
239
18.3
323
237
19.1
311
232
20.9
299
227
23.1
287
222
25.6
277
218
28.7
266
214
32.1

72
375
194
17.6
357
188
19
349
185
19.8
334
180
21.5
322
175
23.6
308
171
26.1
298
167
29.1
284
162
32.5

76
398
152
18.3
381
147
19.7
372
144
20.5
355
139
22.1
340
134
24.2
326
129
26.6
312
125
29.4
298
120
32.7

80
421
111
19
403
105
20.3
394
103
21.1
375
97.3
22.7
358
92.4
24.7
342
87.7
27.1
328
83.9
29.9
313
79.9
33.1

581A300 (25 Tons) (cont)
Evap Air — Cfm/BF
Temp (F)
Air Ent
Cond
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW
TC
SHC
kW

60
70
75
85
95
105
115
125

—
—
—
—
—
—
—
—

54
322
322
16.3
311
311
17.8
306
306
18.7
295
295
20.5
286
286
22.7
277
277
25.4
268
268
28.5
260
260
32

58
324
317
16.4
312
308
17.8
307
304
18.7
296
295
20.5
286
286
22.7
277
277
25.4
269
269
28.5
259
259
32

62
327
313
16.4
314
305
17.9
308
302
18.7
297
294
20.5
286
286
22.7
277
277
25.4
269
269
28.5
259
259
32

67
351
260
17
336
255
18.4
329
252
19.3
315
246
21
303
241
23.1
290
236
25.7
281
232
28.7
269
227
32.1

12,000/0.09
72
380
203
17.8
364
198
19.2
356
195
20
340
189
21.7
327
185
23.8
312
179
26.2
300
176
29.2
287
171
32.5

76
404
157
18.5
386
151
19.8
378
149
20.6
362
144
22.3
344
138
24.3
329
133
26.7
315
129
29.5
300
125
32.8

Evap Air — Ewb (F)
80
54
429
332
111
332
19.2
16.6
408
320
105
320
20.5
18
398
315
103
315
21.3
18.9
379
303
97.3
303
22.8
20.7
364
293
93
293
24.9
22.9
347
284
88.3
284
27.2
25.5
332
274
84.4
274
30
28.6
316
265
80
265
33.2
32.1

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb = Wet-bulb temperature corresponding to enthalpy of air leaving evaporator coil (hlwb)
total capacity (Btuh)
hlwb = hewb –
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

58
333
330
16.6
320
320
18
315
314
18.9
303
303
20.7
293
293
22.9
284
284
25.6
274
274
28.6
265
265
32.1

62
334
329
16.6
321
319
18
315
314
18.9
303
303
20.7
294
294
22.9
285
285
25.6
275
275
28.6
264
264
32.1

BYPASS
FACTOR
(BF)

79
81

.05
.10
.20
.30

1.04
.98
.87
.76

67
357
276
17.2
341
269
18.5
333
266
19.4
319
260
21.1
307
255
23.2
295
250
25.8
283
245
28.8
271
240
32.2

72
386
212
18
368
206
19.3
360
203
20.1
344
198
21.8
330
193
23.9
314
188
26.3
303
184
29.2
289
179
32.5

76
410
162
18.6
392
156
20
383
153
20.8
365
148
22.4
347
142
24.4
331
137
26.7
317
133
29.5
302
129
32.8

80
432
111
19.2
414
106
20.6
404
103
21.4
385
97.9
23
366
92.8
24.9
352
88.7
27.3
333
84
30
318
80.1
33.3

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07 3.11 4.14 5.18
1.96 2.94 3.92 4.90
Use formula
1.74 2.62 3.49 4.36
shown below.
1.53 2.29 3.05 3.82

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).
4. Use chart below for bypass factor.

243

CFM

54

58

7,500
8,250
9,500
10,750
12,000

0.407
0.443
0.494
0.536
0.571

0.208
0.256
0.324
0.380
0.427

ENTERING WET-BULB (F)
62
67
72
Bypass Factor
0.097
0.104
0.123
0.110
0.112
0.128
0.138
0.123
0.136
0.181
0.134
0.145
0.232
0.145
0.154

76

80

0.000
0.000
0.000
0.000
0.000

0.000
0.000
0.000
0.000
0.000

581A155, 180

BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

10,750/0.08

PERFORMANCE DATA (cont)
COOLING CAPACITIES, UNITS WITH HOT GAS REHEAT OPTION
581A181 (15 TONS) UNIT WITH HOT GAS REHEAT IN COOLING MODE
Air Entering Evaporator — Cfm/BF
Temp (F)
4500/0.02
5250/0.03
6000/0.04
Air Entering
Condenser
Air Entering Evaporator — Ewb (F)
(Edb)
57
62
67
72
57
62
67
72
57
62
67
72
57
TC
166
179
193
214
175
186
202
221
183
191
208
227
190
75
SHC
165
152
129
108
175
166
140
115
183
178
150
121
190
kW
10.4 10.6 10.7 10.9 10.5 10.6 10.8
11.0
10.6 10.7 10.9
11.1
10.7
TC
162
174
189
209
171
180
195
216
179
185
200
222
186
85
SHC
162
150
127
106
171
163
137
113
179
175
147
119
186
kW
11.7
11.9 12.1 12.3
11.8
12.0 12.1 12.4
11.9
12.0 12.2 12.5 12.0
TC
158
169
182
202
166
174
187
209
174
179
194
214
181
95
SHC
158
148
126
104
166
160
134
110
174
172
145
116
181
kW
12.7 12.9 13.1 13.3 12.9 13.0 13.2 13.4 13.0 13.0 13.2 13.5 13.1
TC
153
163
178
195
162
168
181
201
169
172
188
206
175
105
SHC
153
145
123
101
162
157
133
107
169
167
142
113
175
kW
14.1 14.2 14.4 14.7 14.2 14.3 14.5 14.8 14.3 14.3 14.6 14.8 14.4
TC
148
156
171
188
157
161
176
193
163
165
180
197
169
115
SHC
148
141
120
98
157
153
130
104
163
162
139
110
169
kW
15.5 15.6 15.8 16.1 15.6 15.7 15.9 16.2 15.7 15.8 16.0 16.3 15.8
TC
143
149
163
179
151
153
168
184
157
158
171
188
163
125
SHC
143
138
117
95
151
149
126
101
157
156
136
107
163
kW
17.0 17.1 17.4 17.7 17.2 17.2 17.5 17.8 17.3 17.3 17.6 17.8 17.4

581A181 (15 TONS) UNIT WITH HOT GAS REHEAT — A IN REHEAT, B AND C OFF
Evaporator Air Quantity — Cfm/BF
Temp (F)
4500/0.12
5250/0.14
6000/.015
Air Entering
Condenser
Evaporator Air — Relative Humidity (%)
(Edb)
50
55
60
50
55
60
50
55
60
50
TC
55
57
59
56
58
59
56
58
60
57
65
SHC
34
32
30
36
34
32
37
35
33
38
kW
4.4
4.5
4.5
4.4
4.5
4.5
4.4
4.5
4.5
4.4
TC
42
44
45
43
44
46
43
45
46
43
75
SHC
22
19
17
23
21
18
25
22
20
26
kW
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
TC
29
30
31
29
31
32
30
31
32
30
85
SHC
9
6
3
11
8
5
13
10
7
14
kW
5.2
5.2
5.3
5.2
5.2
5.3
5.2
5.2
5.3
5.2
TC
15
16
17
16
17
18
16
18
18
17
95
SHC
–3
–7
–11
–1
–5
–9
1
–3
–7
2
kW
5.6
5.6
5.6
5.6
5.6
5.6
5.6
5.6
5.6
5.6
581A181 (15 TONS) UNIT WITH HOT GAS REHEAT — A AND B IN REHEAT, C OFF
Evaporator Air Quantity — Cfm/BF
Temp (F)
4500/0.12
5250/0.14
6000/.015
Air Entering
Condenser
Evaporator Air — Relative Humidity (%)
(Edb)
50
55
60
50
55
60
50
55
60
50
TC
81
84
86
82
85
87
83
86
88
84
65
SHC
34
32
30
36
33
31
37
35
33
39
kW
7.8
7.9
7.9
7.8
7.9
7.9
7.8
7.9
7.9
7.8
TC
62
64
66
62
65
67
63
66
68
64
75
SHC
22
19
16
24
21
18
25
22
20
27
kW
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
TC
42
44
46
43
45
46
43
45
47
44
85
SHC
10
6
2
12
8
4
14
10
6
15
kW
9.2
9.2
9.3
9.2
9.2
9.3
9.2
9.2
9.3
9.2
TC
23
24
26
23
25
26
24
25
27
24
95
SHC
–2
–7
–11
0
–5
–9
2
–3
–7
3
kW
9.9
9.9
9.9
9.9
9.9
9.9
9.9
9.9
9.9
9.9
BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

—
—
—
—
—
—
—
—

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

6750/0.04
62
195
189
10.7
189
185
12.1
183
180
13.1
177
175
14.4
170
169
15.8
163
163
17.4

67
212
159
10.9
205
156
12.3
198
154
13.3
191
151
14.6
183
148
16.1
174
144
17.6

7500/0.05
72
232
127
11.2
226
125
12.5
218
122
13.6
209
119
14.9
201
116
16.3
190
112
17.9

57
197
197
10.8
192
192
12.1
187
187
13.1
181
181
14.5
174
174
15.9
167
167
17.5

6750/0.18
55
59
36
4.5
45
24
4.8
32
11
5.2
18
–2
5.6

67
216
168
11.0
208
164
12.3
201
163
13.4
194
160
14.7
185
156
16.1
176
153
17.6

72
236
133
11.2
230
131
12.6
221
128
13.6
213
125
14.9
203
122
16.4
192
118
17.9

7500/0.18
60
60
35
4.5
46
21
4.8
33
8
5.3
19
–5
5.6

50
57
40
4.4
44
28
4.8
31
16
5.2
17
4
5.6

6750/0.18
55
87
36
7.9
66
24
8.5
46
11
9.2
26
–1
9.9

62
199
196
10.8
194
192
12.1
188
187
13.2
181
181
14.5
175
174
15.9
167
167
17.5

55
59
38
4.5
45
25
4.8
32
12
5.2
18
0
5.6

60
61
36
4.5
47
23
4.8
33
9
5.3
19
–4
5.6

7500/0.18
60
89
34
7.9
68
21
8.5
48
8
9.3
27
–6
9.9

50
85
40
7.8
64
28
8.5
44
16
9.2
24
5
9.9

55
87
38
7.9
67
25
8.5
46
13
9.2
26
0
9.9

60
90
36
7.9
69
22
8.5
48
9
9.3
27
–4
9.9

3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb = Wet-bulb temperature corresponding to enthalpy of air leaving evaporator coil (hlwb)
total capacity (Btuh)
hlwb = hewb –
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil

BYPASS
FACTOR
(BF)

79
81

.05
.10
.20
.30

1.04
.98
.87
.76

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
82
83
84
85
Correction Factor
2.07
3.11
4.14
5.18
1.96
2.94
3.92
4.90
1.74
2.62
3.49
4.36
1.53
2.29
3.05
3.82

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

244

under 75
over 85
Use formula
shown
below.

PERFORMANCE DATA (cont)
COOLING CAPACITIES, UNITS WITH HOT GAS REHEAT OPTION (cont)
581A181 (15 TONS) UNIT WITH HOT GAS REHEAT — A AND B IN REHEAT, C ON
Evaporator Air Quantity — Cfm/BF
Temp (F)
4500/0.12
5250/0.14
6000/.015
Air Entering
Condenser
Evaporator Air — Relative Humidity (%)
(Edb)
50
55
60
50
55
60
50
55
60
50
TC
133
140
146
134
141
147
135
142
148
136
65
SHC
73
69
65
75
71
67
77
73
69
79
kW
10.7
10.7
10.8
10.7
10.7
10.8
10.7
10.7
10.8
10.7
TC
116
123
128
117
123
129
117
124
130
118
75
SHC
61
55
50
63
57
52
65
59
54
66
kW
11.8
11.8
11.8
11.8
11.8
11.8
11.8
11.8
11.8
11.8
TC
98
105
111
99
106
112
99
106
112
100
85
SHC
48
41
35
50
43
37
52
45
39
54
kW
12.9
13.0
13.0
12.9
13.0
13.0
12.9
13.0
13.0
12.9
TC
81
88
94
81
88
94
81
88
95
81
95
SHC
36
28
21
38
29
22
39
31
24
41
kW
14.0
14.1
14.1
14.0
14.1
14.1
14.0
14.1
14.1
14.0

581A210 (18 TONS) UNIT WITH HOT GAS REHEAT IN COOLING MODE
Air Entering Evaporator — Cfm/BF
Temp (F)
5400/0.03
6300/0.04
7200/0.05
Air Entering
Condenser
Air Entering Evaporator — Ewb (F)
(Edb)
57
62
67
72
57
62
67
72
57
62
67
72
57
TC
183
198
215
236
192
206
224
245
201
212
230
252
210
75
SHC
182
169
143
120
192
184
156
127
201
197
166
134
210
kW
11.5
11.7
11.9
12.2
11.6
11.8
12.1 12.4
11.7
11.9
12.2 12.5
11.9
TC
179
192
210
231
188
200
217
239
197
205
223
244
205
85
SHC
179
166
142
117
188
181
153
125
197
194
163
131
205
kW
12.8 13.1 13.3 13.7 13.0 13.2 13.5 13.8 13.2 13.3 13.6 13.9 13.3
TC
175
186
202
223
184
193
209
229
193
198
215
236
200
95
SHC
175
163
142
114
184
177
151
121
193
191
160
128
200
kW
14.1 14.3 14.6 14.9 14.3 14.4 14.7 15.1 14.4 14.5 14.8 15.2 14.6
TC
170
180
197
215
179
186
201
222
187
192
208
226
194
105
SHC
170
160
136
111
179
174
147
118
187
186
158
125
194
kW
15.6 15.8 16.1 16.5 15.8 15.9 16.2 16.6 15.9 16.0 16.3 16.7 16.1
TC
165
173
189
208
173
179
195
214
181
184
199
218
187
115
SHC
165
157
133
109
173
170
144
116
181
181
154
122
187
kW
17.2 17.4 17.7 18.1 17.4 17.5 17.8 18.2 17.5 17.6 17.9 18.3 17.7
TC
159
166
181
199
167
171
186
203
174
177
190
207
180
125
SHC
159
154
130
105
167
166
140
112
174
175
151
118
180
kW
18.9 19.1 19.5 19.9 19.1 19.2 19.6 20.0 19.3 19.4 19.7 20.1 19.5

581A210 (18 TONS) UNIT WITH HOT GAS REHEAT — A IN REHEAT, B AND C OFF
Evaporator Air Quantity — Cfm/BF
Temp (F)
5400/0.03
6300/0.04
7200/0.05
Air Entering
Condenser
Evaporator Air — Relative Humidity (%)
(Edb)
50
55
60
50
55
60
50
55
60
50
TC
61
63
65
62
64
66
63
65
66
63
65
SHC
38
35
34
40
37
35
41
39
37
43
kW
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
TC
47
48
50
47
49
51
48
50
51
48
75
SHC
24
21
18
26
23
20
28
25
22
29
kW
5.4
5.4
5.4
5.4
5.4
5.4
5.4
5.4
5.4
5.4
TC
32
33
35
32
34
35
33
34
36
33
85
SHC
11
7
3
13
9
5
14
11
7
16
kW
5.9
5.9
5.9
5.9
5.9
5.9
5.9
5.9
5.9
5.9
TC
17
18
19
18
19
20
18
19
20
19
95
SHC
–3
–8
–12
–1
–6
–10
1
–4
–8
3
kW
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
6.3
—
—
—
—
—
—
—
—

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

55
143
75
10.7
125
61
11.8
107
46
13.0
89
32
14.1

7500/0.18
60
149
71
10.8
131
56
11.8
113
40
13.0
95
25
14.1

50
137
81
10.7
118
68
11.8
100
55
12.9
81
42
14.0

8100/0.06
62
216
209
11.9
210
206
13.4
203
200
14.6
197
195
16.1
189
188
17.7
182
181
19.5

67
235
177
12.2
227
173
13.7
219
170
14.9
212
168
16.4
203
164
18.0
193
160
19.8

60
150
72
10.8
132
57
11.8
113
42
13.0
95
26
14.1

9000/0.07
72
257
141
12.5
249
138
14.0
241
135
15.3
230
131
16.8
222
128
18.4
210
124
20.1

57
217
217
12.0
212
212
13.4
206
206
14.7
200
200
16.2
193
193
17.8
186
186
19.6

8100/0.06
55
65
41
5.0
50
26
5.4
35
12
5.9
20
–2
6.3

55
144
76
10.7
126
62
11.8
107
48
13.0
89
34
14.1

62
222
218
12.0
215
213
13.5
208
207
14.7
202
201
16.2
194
194
17.9
187
187
19.6

67
240
186
12.3
232
183
13.7
223
180
15.0
215
178
16.5
205
173
18.1
196
170
19.8

72
262
147
12.6
254
145
14.1
245
142
15.4
235
138
16.9
225
134
18.5
213
130
20.2

9000/0.07
60
67
39
5.0
52
24
5.4
36
9
5.9
21
–6
6.3

50
64
44
5.0
49
31
5.4
34
17
5.9
19
4
6.3

55
66
42
5.0
51
28
5.4
35
14
5.9
20
0
6.3

60
68
40
5.0
52
25
5.4
37
10
5.9
21
–4
6.3

3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb = Wet-bulb temperature corresponding to enthalpy of air leaving evaporator coil (hlwb)
total capacity (Btuh)
hlwb = hewb –
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil

BYPASS
FACTOR
(BF)

79
81

.05
.10
.20
.30

1.04
.98
.87
.76

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07 3.11 4.14 5.18
Use formula
1.96 2.94 3.92 4.90
shown below.
1.74 2.62 3.49 4.36
1.53 2.29 3.05 3.82

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

245

581A155-300

BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

6750/0.18

PERFORMANCE DATA (cont)
COOLING CAPACITIES, UNITS WITH HOT GAS REHEAT OPTION (cont)
581A210 (18 TONS) UNIT WITH HOT GAS REHEAT — A AND B IN REHEAT, C OFF
Evaporator Air Quantity — Cfm/BF
Temp (F)
5400/0.03
6300/0.04
7200/0.05
Air Entering
Condenser
Evaporator Air — Relative Humidity (%)
(Edb)
50
55
60
50
55
60
50
55
60
50
TC
90
93
95
91
94
97
92
95
98
93
65
SHC
38
35
33
40
37
35
41
39
37
43
kW
8.8
8.8
8.8
8.8
8.8
8.8
8.8
8.8
8.8
8.8
TC
68
71
73
69
72
74
70
73
75
71
75
SHC
24
21
18
26
23
20
28
25
22
30
kW
9.6
9.6
9.6
9.6
9.6
9.6
9.6
9.6
9.6
9.6
TC
47
49
51
47
50
52
48
50
52
49
85
SHC
11
7
3
13
9
5
15
11
7
17
kW
10.3
10.3
10.3
10.3
10.3
10.3
10.3
10.3
10.3
10.3
TC
25
27
29
26
27
29
26
28
29
26
95
SHC
–2
–8
–12
0
–5
–10
2
–-3
–8
3
kW
11.1
11.1
11.1
11.1
11.1
11.1
11.1
11.1
11.1
11.1
581A210 (18 TONS) UNIT WITH HOT GAS REHEAT — A AND B IN REHEAT, C ON
Evaporator Air Quantity — Cfm/BF
Temp (F)
5400/0.03
6300/0.04
7200/0.05
Air Entering
Condenser
Evaporator Air — Relative Humidity (%)
(Edb)
50
55
60
50
55
60
50
55
60
50
TC
147
155
162
148
157
164
150
158
165
151
65
SHC
81
76
72
84
79
75
86
81
77
88
kW
11.9
12.0
12.0
11.9
12.0
12.0
11.9
12.0
12.0
11.9
TC
128
136
143
129
137
144
130
138
146
131
75
SHC
67
61
56
70
63
58
72
65
60
74
kW
13.2
13.2
13.2
13.2
13.2
13.2
13.2
13.2
13.2
13.2
TC
108
117
124
109
118
125
110
118
126
110
85
SHC
54
46
39
56
48
41
58
50
43
60
kW
14.5
14.5
14.5
14.5
14.5
14.5
14.5
14.5
14.5
14.5
TC
89
98
105
89
98
106
89
98
106
90
95
SHC
40
31
23
42
33
25
44
34
26
45
kW
15.8
15.7
15.7
15.8
15.7
15.7
15.8
15.7
15.7
15.8

581A240 (20 TONS) UNIT WITH HOT GAS REHEAT IN COOLING MODE
Air Entering Evaporator — Cfm/BF
Temp (F)
6000/0.04
7000/0.05
8000/0.06
Air Entering
Condenser
Air Entering Evaporator — Ewb (F)
(Edb)
57
62
67
72
57
62
67
72
57
62
67
72
57
TC
216
234
255
279
226
243
265
290
237
251
273
298
247
75
SHC
213
199
171
141
225
217
185
151
237
232
198
159
247
kW
13.9 14.2 14.6 15.0 14.0 14.4 14.8 15.3 14.3 14.5 15.0 15.4 14.5
TC
211
227
249
272
221
237
258
282
232
243
265
287
242
85
SHC
209
194
168
141
221
214
182
148
232
228
195
155
242
kW
15.4 15.8 16.2 16.7 15.7 16.0 16.4 16.9 15.9 16.1 16.6 17.1 16.1
TC
207
220
240
262
217
228
250
269
228
235
254
278
236
95
SHC
205
192
164
134
217
209
179
142
228
222
190
152
236
kW
17.2 17.5 17.9 18.4 17.4 17.7 18.2 18.6 17.7 17.9 18.3 18.8 17.9
TC
201
214
232
253
211
221
238
261
221
228
247
266
229
105
SHC
197
190
161
131
211
206
172
140
221
216
188
146
229
kW
19.0 19.3 19.8 20.3 19.3 19.5 20.0 20.6 19.5 19.7 20.2 20.7 19.8
TC
195
206
224
245
205
213
230
252
214
219
236
258
221
115
SHC
191
185
158
129
205
201
171
137
214
209
183
145
221
kW
21.0 21.3 21.8 22.4 21.3 21.5 22.0 22.7 21.6 21.7 22.2 22.8 21.8
TC
189
198
215
235
198
204
221
239
207
210
225
244
214
125
SHC
184
179
154
125
198
194
167
132
207
201
179
139
214
kW
23.1 23.4 24.0 24.7 23.5 23.7 24.2 24.8 23.8 23.9 24.4 25.0 24.0
BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

—
—
—
—
—
—
—
—

8100/0.06
55
96
40
8.8
74
26
9.6
51
12
10.3
28
–2
11.1

9000/0.07
60
99
38
8.8
76
23
9.6
53
9
10.3
30
–6
11.1

50
94
44
8.8
72
31
9.6
49
18
10.3
27
5
11.1

8100/0.06
55
160
83
12.0
139
67
13.2
119
52
14.5
99
36
15.7

67
279
211
15.1
270
206
16.7
259
202
18.4
251
200
20.3
240
194
22.3
229
191
24.5

60
100
40
8.8
77
25
9.6
53
10
10.3
30
–5
11.1

9000/0.07
60
167
79
12.0
147
62
13.2
127
45
14.5
107
28
15.7

50
152
90
11.9
132
76
13.2
111
61
14.5
90
47
15.8

9000/0.07
62
256
241
14.6
250
237
16.3
241
230
18.0
234
223
19.9
225
215
21.9
216
207
24.1

55
97
42
8.8
74
28
9.6
51
14
10.3
29
0
11.1

55
161
85
12.0
140
69
13.2
120
53
14.5
99
37
15.7

60
168
80
12.0
148
63
13.2
127
46
14.5
107
29
15.7

10,000/0.08
72
305
168
15.6
293
163
17.2
286
161
19.0
271
155
20.8
262
152
22.9
248
147
25.1

57
256
256
14.6
250
250
16.3
243
243
18.1
236
236
20.0
228
228
22.0
220
220
24.2

62
263
251
14.8
255
244
16.4
247
236
18.2
239
229
20.0
231
221
22.1
222
212
24.3

67
284
223
15.2
275
220
16.8
264
214
18.6
255
212
20.4
243
207
22.4
232
202
24.6

72
310
176
15.7
300
173
17.4
290
169
19.1
278
165
21.0
265
160
23.0
251
154
25.2

3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb = Wet-bulb temperature corresponding to enthalpy of air leaving evaporator coil (hlwb)
total capacity (Btuh)
hlwb = hewb –
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil

BYPASS
FACTOR
(BF)

79
81

.05
.10
.20
.30

1.04
.98
.87
.76

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07 3.11 4.14 5.18
Use formula
1.96 2.94 3.92 4.90
shown below.
1.74 2.62 3.49 4.36
1.53 2.29 3.05 3.82

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

246

PERFORMANCE DATA (cont)
COOLING CAPACITIES, UNITS WITH HOT GAS REHEAT OPTION (cont)
581A240 (20 TONS) UNIT WITH HOT GAS REHEAT — A IN REHEAT, B AND C OFF
Evaporator Air Quantity — Cfm/BF
Temp (F)
6000/0.04
7000/0.05
8000/0.06
Air Entering
Condenser
Evaporator Air — Relative Humidity (%)
(Edb)
50
55
60
50
55
60
50
55
60
50
TC
73
75
77
73
76
78
74
76
79
75
65
SHC
45
42
40
47
44
42
49
47
44
51
kW
6.1
6.1
6.1
6.1
6.1
6.1
6.1
6.1
6.1
6.1
TC
55
57
59
56
58
60
56
58
60
57
75
SHC
29
25
22
31
27
24
33
30
26
35
kW
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
6.6
TC
38
40
41
38
40
42
39
40
42
39
85
SHC
13
8
4
15
10
7
17
13
9
19
kW
7.2
7.2
7.2
7.2
7.2
7.2
7.2
7.2
7.2
7.2
TC
20
22
23
21
22
24
21
22
24
21
95
SHC
–4
–9
–14
–1
–7
–11
1
–4
–9
3
kW
7.7
7.7
7.7
7.7
7.7
7.7
7.7
7.7
7.7
7.7

581A240 (20 TONS) UNIT WITH HOT GAS REHEAT — A AND B IN REHEAT, C OFF
Evaporator Air Quantity — Cfm/BF
Temp (F)
6000/0.04
7000/0.05
8000/0.06
Air Entering
Condenser
Evaporator Air — Relative Humidity (%)
(Edb)
50
55
60
50
55
60
50
55
60
50
TC
106
110
113
108
111
114
109
113
116
110
65
SHC
45
42
39
47
44
41
49
46
44
51
kW
10.7
10.7
10.8
10.7
10.7
10.8
10.7
10.7
10.8
10.7
TC
81
84
87
82
85
88
83
86
89
83
75
SHC
29
25
21
31
27
24
34
29
26
36
kW
11.6
11.6
11.6
11.6
11.6
11.6
11.6
11.6
11.6
11.6
TC
56
58
61
56
59
61
56
59
61
57
85
SHC
13
8
3
16
10
6
18
13
8
20
kW
12.6
12.7
12.7
12.6
12.7
12.7
12.6
12.7
12.7
12.6
TC
30
33
34
30
32
34
30
32
34
30
95
SHC
–3
–9
–14
0
–6
–12
2
–4
–10
4
kW
13.6
13.6
13.6
13.6
13.6
13.6
13.6
13.6
13.6
13.6

581A240 (20 TONS) UNIT WITH HOT GAS REHEAT — A AND B IN REHEAT, C ON
Evaporator Air Quantity — Cfm/BF
Temp (F)
6000/0.04
7000/0.05
8000/0.06
Air Entering
Condenser
Evaporator Air — Relative Humidity (%)
(Edb)
50
55
60
50
55
60
50
55
60
50
TC
177
185
191
177
185
192
178
186
192
178
65
SHC
98
92
86
100
94
88
101
95
90
103
kW
14.5
14.6
14.7
14.5
14.6
14.7
14.5
14.6
14.7
14.5
154
161
168
154
162
169
155
162
169
155
TC
SHC
81
73
66
83
75
69
85
78
71
87
75
kW
16.1
16.1
16.1
16.1
16.1
16.1
16.1
16.1
16.1
16.1
TC
131
138
145
131
139
145
131
139
146
132
85
SHC
63
54
46
66
57
49
69
60
52
71
kW
17.7
17.7
17.8
17.7
17.7
17.8
17.7
17.7
17.8
17.7
TC
107
115
122
108
115
122
108
116
122
108
95
SHC
46
35
25
50
39
29
53
42
32
55
kW
19.3
19.3
19.3
19.3
19.3
19.3
19.3
19.3
19.3
19.3
—
—
—
—
—
—
—
—

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

55
77
48
6.1
59
31
6.6
41
14
7.2
23
–3
7.7

10,000/0.08
60
79
46
6.1
61
28
6.6
42
10
7.2
24
–7
7.7

50
75
53
6.1
57
37
6.6
39
21
7.2
21
5
7.7

9000/0.07
55
114
48
10.7
87
31
11.6
59
15
12.7
32
–2
13.6

60
80
48
6.1
61
30
6.6
43
12
7.2
24
–6
7.7

10,000/0.08
60
117
46
10.8
89
28
11.6
62
10
12.7
34
–8
13.6

50
111
53
10.7
84
37
11.6
57
22
12.6
30
6
13.6

9000/0.07
55
186
97
14.6
163
80
16.1
139
62
17.7
116
45
19.3

55
78
50
6.1
59
33
6.6
41
16
7.2
23
–1
7.7

55
115
50
10.7
87
33
11.6
60
16
12.7
32
0
13.6

60
118
47
10.8
90
30
11.6
62
12
12.7
34
–6
13.6

10,000/0.08
60
193
92
14.7
169
73
16.1
146
54
17.8
123
35
19.3

50
178
104
14.5
155
89
16.1
132
73
17.7
109
58
19.3

55
186
98
14.6
163
81
16.1
140
64
17.7
116
47
19.3

60
193
93
14.7
170
75
16.1
146
56
17.8
123
38
19.3

Where: hewb = Enthalpy of air entering evaporator coil
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb = Wet-bulb temperature corresponding to enthalpy of air leaving evaporator coil (hlwb)
total capacity (Btuh)
hlwb = hewb –
4.5 x cfm

BYPASS
FACTOR
(BF)

79
81

.05
.10
.20
.30

1.04
.98
.87
.76

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07 3.11 4.14 5.18
Use formula
1.96 2.94 3.92 4.90
shown below.
1.74 2.62 3.49 4.36
1.53 2.29 3.05 3.82

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

247

581A155-300

BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

9000/0.07

PERFORMANCE DATA (cont)
COOLING CAPACITIES, UNITS WITH HOT GAS REHEAT OPTION (cont)
581A300 (25 TONS) UNIT WITH HOT GAS REHEAT IN COOLING MODE
Air Entering Evaporator — Cfm/BF
Temp (F)
7000/0.042
8250/0.052
9500/0.062
Air Entering
Condenser
Air Entering Evaporator — Ewb (F)
(Edb)
57
62
67
72
57
62
67
72
57
62
67
72
57
TC
245
268
293
318
259
282
303
333
274
291
314
340
289
75
SHC
245
229
197
162
259
254
213
173
274
271
230
183
289
kW
16.4 17.0 17.6 18.2 16.7 17.4 17.9 18.6 17.1 17.6 18.2 18.8 17.5
TC
233
259
278
309
256
273
293
324
271
282
305
330
285
85
SHC
233
228
186
158
256
252
211
171
271
264
229
180
285
kW
17.9 18.7 19.3 19.9 18.5 19.1 19.7 20.4 19.0 19.4 20.0 20.8 19.3
TC
230
252
276
303
251
265
284
314
269
274
290
326
274
95
SHC
230
225
191
156
251
249
202
166
269
269
220
181
274
kW
20.0 20.8 21.4 22.1 20.7 21.2 21.5 22.4 21.3 21.4 21.9 23.0 21.5
TC
226
245
268
292
242
253
277
301
255
264
284
308
266
105
SHC
226
223
188
153
242
241
205
163
255
255
221
171
265
kW
22.0 22.8 23.3 24.3 22.7 23.1 23.7 24.7 23.1 23.4 24.0 25.0 23.6
TC
221
233
258
281
232
242
267
290
247
253
274
297
253
115
SHC
221
217
183
149
232
230
200
160
247
246
217
170
253
kW
24.3 25.1 25.7 26.7 24.8 25.4 26.1 27.1 25.3 25.8 26.4 27.2 25.8
TC
216
223
247
268
225
230
253
275
237
240
256
280
247
125
SHC
216
212
181
145
225
223
196
155
237
236
211
163
247
kW
26.9 27.1 28.0 29.0 27.4 27.5 28.3 29.4 27.8 27.9 28.5 29.6 28.2

10,750/0.072
62
301
287
17.8
290
276
19.6
282
274
21.7
275
265
23.7
260
254
26.0
248
247
28.3

67
322
247
18.4
312
246
20.2
300
238
22.1
290
240
24.3
275
233
26.5
260
228
28.7

12,000/0.082
72
348
195
19.0
337
191
21.1
332
190
23.2
314
185
25.2
302
179
27.3
285
174
29.8

57
305
305
18.0
298
298
19.8
283
283
21.6
278
278
24.0
267
267
26.1
254
254
28.5

581A300 (25 TONS) UNIT WITH HOT GAS REHEAT — A IN REHEAT, B OFF
Evaporator Air Quantity — Cfm/BF
Temp (F)
7500/0.045
8250/0.055
9500/0.065
10,750/0.075
Air Entering
Condenser
Evaporator Air — Relative Humidity (%)
(Edb)
50
55
60
50
55
60
50
55
60
50
55
60
TC
79
83
87
80
84
88
81
85
89
82
86
90
65
SHC
39
33
28
41
35
30
43
37
32
45
39
34
kW
11
11
11
11
11
11
11
11
11
11
11
11
TC
56
61
65
57
62
66
59
63
67
60
64
68
75
SHC
18
11
5
20
12
6
22
15
8
24
16
10
kW
11
11
11
11
11
11
11
11
11
11
11
11
TC
34
38
42
35
39
43
37
41
45
38
42
46
85
SHC
–2
–11
–19
–1
–10
–18
1
–8
–16
3
–7
–14
kW
11
11
12
11
12
12
12
12
12
12
12
12
TC
12
16
19
13
17
21
15
19
22
16
20
24
95
SHC
–23
–33
–42
–22
–32
–41
–20
–31
–40
–19
–30
–39
kW
12
12
12
12
12
12
12
12
12
12
12
12

581A300 (25 TONS) UNIT WITH HOT GAS REHEAT — A IN REHEAT, B ON
Evaporator Air Quantity — Cfm/BF
Temp (F)
7500/0.045
8250/0.055
9500/0.065
10,750/0.075
Air Entering
Condenser
Evaporator Air — Relative Humidity (%)
(Edb)
50
55
60
50
55
60
50
55
60
50
55
60
TC
211
222
231
215
226
235
220
232
241
226
237
247
65
SHC
123
115
109
129
121
115
139
131
124
147
139
133
kW
19
19
20
19
19
20
19
19
20
19
20
20
TC
182
193
202
185
196
205
189
200
210
192
204
214
75
SHC
103
93
85
110
100
91
120
110
101
128
118
110
kW
20
21
21
20
21
21
21
21
21
21
21
21
TC
153
164
174
155
166
176
157
169
178
159
171
181
85
SHC
84
72
62
90
78
68
100
88
78
110
97
87
kW
22
22
22
22
22
22
22
22
22
22
22
22
TC
124
135
145
125
136
146
125
137
147
126
138
148
95
SHC
64
50
38
71
57
45
81
67
55
91
76
64
kW
23
23
23
23
23
23
23
23
24
23
23
24
BF
Edb
Ewb
kW
ldb
lwb
SHC
TC

—
—
—
—
—
—
—
—

LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Compressor Motor Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Gross
Total Capacity (1000 Btuh) Gross

62
309
298
18.1
303
295
19.9
293
280
22.0
281
278
24.1
269
267
26.3
255
254
28.6

67
332
267
18.6
321
261
20.4
308
259
22.5
294
253
24.4
279
248
26.7
263
242
28.9

72
356
203
19.2
343
201
21.3
334
197
23.3
319
194
25.4
306
189
27.4
288
184
29.9

12,000/0.085
50
83
47
11
61
26
11
39
4
12
17
–17
12

55
87
41
11
65
18
11
43
–5
12
22
–28
12

60
91
36
11
69
12
11
47
–13
12
25
–38
12

12,000/0.085
50
230
155
19
196
136
21
161
118
22
127
99
23

55
242
147
20
208
126
21
173
106
22
139
85
24

60
252
140
20
218
118
21
184
95
22
149
72
24

3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
tldb = tedb –
1.10 x cfm
tlwb = Wet-bulb temperature corresponding to enthalpy of air leaving evaporator coil (hlwb)
total capacity (Btuh)
hlwb = hewb –
4.5 x cfm
Where: hewb = Enthalpy of air entering evaporator coil

BYPASS
FACTOR
(BF)

79
81

.05
.10
.20
.30

1.04
.98
.87
.76

ENTERING AIR DRY-BULB TEMP (F)
78
77
76
75
under 75
82
83
84
85
over 85
Correction Factor
2.07 3.11 4.14 5.18
Use formula
1.96 2.94 3.92 4.90
shown below.
1.74 2.62 3.49 4.36
1.53 2.29 3.05 3.82

Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).

248

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS
581A155 (12 TONS) WITH STANDARD MOTOR (Low Heat Units)*
Available External Static Pressure (in. wg)
0.6
Bhp
Rpm
Watts
Bhp
Rpm
1.07
781
1150
1.33
858
1.21
800
1292
1.48
876
1.36
820
1442
1.64
895
1.54
840
1599
1.82
914
1.73
861
1765
2.01
934
1.94
884
1940
2.22
954
2.16
907
2125
2.45
974
2.41
931
2321
2.70
996
2.67
956
2528
2.97
1018
2.96
982
2748
3.26
1041
3.27
1008
2981
3.58
1065

0.8
Watts
1342
1495
1656
1824
2001
2188
2384
2592
2810
3042
3286

Bhp
1.59
1.75
1.93
2.11
2.32
2.53
2.77
3.02
3.29
3.59
3.91

Rpm
928
945
963
982
1001
1020
1039
1059
1080
1101
1122

1.0
Watts
1527
1689
1859
2037
2224
2419
2625
2841
3069
3308
3559

Bhp
1.85
2.03
2.22
2.42
2.63
2.86
3.10
3.36
3.64
3.94
4.26

581A155 (12 TONS) WITH STANDARD MOTOR (Low Heat Units)* (cont)
Available External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
3750
992
1756
2.12
1053
1988
2.40
1112
2236
2.68
1169
4000
1009
1931
2.31
1069
2173
2.59
1126
2431
2.88
1181
4250
1026
2114
2.51
1085
2366
2.80
1141
2634
3.10
1194
4500
1044
2304
2.72
1102
2566
3.02
1157
2844
3.33
1209
4750
1062
2504
2.95
1120
2775
3.26
1174
3062
3.58
1226
5000
1081
2712
3.19
1138
2993
3.52
1191
3288
3.85
1242
5250
1100
2931
3.44
1156
3220
3.79
1209
3523
4.13
1260
5500
1119
3160
3.72
1175
3457
4.07
1228
3765
4.43
1278
5750
1138
3399
4.00
1194
3702
4.37
1246
4014
4.74
1296
6000
1158
3649
4.31
1213
3957
4.69
1265
4270
5.07
1315
6250
1179
3910
4.64
1233
4219
5.02
1284
4531
5.41
—

1.8
Watts
2497
2702
2914
3133
3360
3592
3832
4077
4328
4581
—

Bhp
2.97
3.18
3.40
3.65
3.91
4.18
4.47
4.78
5.11
5.45
—

Rpm
1224
1234
1246
1260
1275
1291
1308
1326
1343
—
—

2.0
Watts
2769
2984
3206
3433
3666
3905
4148
4395
4644
—
—

Bhp
3.27
3.48
3.72
3.97
4.23
4.52
4.82
5.14
5.48
—
—

Airflow
(Cfm)
3750
4000
4250
4500
4750
5000
5250
5500
5750
6000
6250

Bhp
Watts

—
—

Rpm
597
625
653
682
711
740
769
799
828
857
885

0.2
Watts
895
1014
1141
1274
1415
1563
1719
1884
2058
2243
2438

Bhp
0.84
0.98
1.13
1.29
1.48
1.68
1.89
2.13
2.38
2.64
2.93

Rpm
692
714
737
761
786
812
839
867
894
923
951

0.4
Watts
967
1097
1236
1382
1538
1702
1875
2060
2256
2464
2687

NOTES:
1.
Field-supplied motor required.
2. Maximum continuous bhp for the standard motor is 3.13 (for 208/230 and
460-v units) or 3.38 (for 575-v units). The maximum continuous watts is
2700 (for 208/230 and 460-v units) or 3065 (for 575-v units). Do not adjust
motor rpm such that motor maximum bhp and/or watts is exceeded at the
maximum operating cfm. See Evaporator Fan Motor Data tables for more
information.
3. Fan performance is identical for horizontal discharge applications using
Bryant horizontal adapter curb.

LEGEND
Brake Horsepower
Input Watts to Motor

*Standard low-medium static drive range is 895 to 1147 rpm. Other rpms require a
field-supplied drive.
Refer to page 262 for general Fan Performance Data notes.

581A155 (12 TONS) WITH OPTIONAL MOTOR (Low Heat Units)*
0.8
Watts
1342
1495
1656
1824
2001
2188
2384
2592
2810
3042
3286

Bhp
1.59
1.75
1.93
2.11
2.32
2.53
2.77
3.02
3.29
3.59
3.91

Rpm
928
945
963
982
1001
1020
1039
1059
1080
1101
1122

1.0
Watts
1527
1689
1859
2037
2224
2419
2625
2841
3069
3308
3559

Bhp
1.85
2.03
2.22
2.42
2.63
2.86
3.10
3.36
3.64
3.94
4.26

581A155 (12 TONS) WITH OPTIONAL MOTOR (Low Heat Units)* (cont)
Available External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
3750
992
1756
2.12
1053
1988
2.40
1112
2236
2.68
1169
4000
1009
1931
2.31
1069
2173
2.59
1126
2431
2.88
1181
4250
1026
2114
2.51
1085
2366
2.80
1141
2634
3.10
1194
4500
1044
2304
2.72
1102
2566
3.02
1157
2844
3.33
1209
4750
1062
2504
2.95
1120
2775
3.26
1174
3062
3.58
1226
5000
1081
2712
3.19
1138
2993
3.52
1191
3288
3.85
1242
5250
1100
2931
3.44
1156
3220
3.79
1209
3523
4.13
1260
5500
1119
3160
3.72
1175
3457
4.07
1228
3765
4.43
1278
5750
1138
3399
4.00
1194
3702
4.37
1246
4014
4.74
1296
6000
1158
3649
4.31
1213
3957
4.69
1265
4270
5.07
1315
6250
1179
3910
4.64
1233
4219
5.02
1284
4531
5.41
—

1.8
Watts
2497
2702
2914
3133
3360
3592
3832
4077
4328
4581
—

Bhp
2.97
3.18
3.40
3.65
3.91
4.18
4.47
4.78
5.11
5.45
—

Rpm
1224
1234
1246
1260
1275
1291
1308
1326
1343
—
—

2.0
Watts
2769
2984
3206
3433
3666
3905
4148
4395
4644
—
—

Bhp
3.27
3.48
3.72
3.97
4.23
4.52
4.82
5.14
5.48
—
—

3750
4000
4250
4500
4750
5000
5250
5500
5750
6000
6250

Bhp
Watts

Rpm
597
625
653
682
711
740
769
799
828
857
885

0.2
Watts
895
1014
1141
1274
1415
1563
1719
1884
2058
2243
2438

Bhp
0.84
0.98
1.13
1.29
1.48
1.68
1.89
2.13
2.38
2.64
2.93

Rpm
692
714
737
761
786
812
839
867
894
923
951

0.4
Watts
967
1097
1236
1382
1538
1702
1875
2060
2256
2464
2687

LEGEND
— Brake Horsepower
— Input Watts to Motor

NOTES:
1.
Field-supplied motor required.
2. Maximum continuous bhp for the optional motor is 4.26. Maximum continuous
watts for the optional motor is 3610. Do not adjust motor rpm such that motor
maximum bhp and/or watts is exceeded at the maximum operating cfm. See
Evaporator Fan Motor Data tables for more information.
3. Fan performance is identical for horizontal discharge applications using
Bryant horizontal adapter curb.

*Alternate high-static drive range is 1040 to 1315 (for 208/230 and 460-v
units). The alternate high-static drive is not available for 575-v units. Other
rpms require a field-supplied drive.
Refer to page 262 for general Fan Performance Data notes.

249

581A155-300

Available External Static Pressure (in. wg)
0.6
Bhp
Rpm
Watts
Bhp
Rpm
1.07
781
1150
1.33
858
1.21
800
1292
1.48
876
1.36
820
1442
1.64
895
1.54
840
1599
1.82
914
1.73
861
1765
2.01
934
1.94
884
1940
2.22
954
2.16
907
2125
2.45
974
2.41
931
2321
2.70
996
2.67
956
2528
2.97
1018
2.96
982
2748
3.26
1041
3.27
1008
2981
3.58
1065

Airflow
(Cfm)

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581A155 (12 TONS) WITH STANDARD MOTOR (High Heat Units)*
Available External Static Pressure (in. wg)
Airflow
0.2
0.4
0.6
(Cfm)
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
3750
622
888
0.89
713
1027
1.13
795
1234
1.37
869
4000
652
1015
1.04
738
1168
1.28
818
1388
1.54
890
4250
682
1151
1.20
763
1317
1.45
841
1550
1.72
911
4500
713
1295
1.38
790
1474
1.63
864
1719
1.91
934
4750
744
1448
1.58
817
1641
1.84
889
1896
2.12
956
5000
776
1610
1.80
845
1817
2.06
914
2081
2.35
979
5250
808
1783
2.04
874
2003
2.31
940
2277
2.60
1003
5500
840
1967
2.29
903
2200
2.57
966
2482
2.87
1028
5750
872
2163
2.57
933
2410
2.86
993
2699
3.16
1053
6000
905
2373
2.87
963
2634
3.16
1021
2929
3.47
1078
6250
937
2596
3.19
994
2872
3.49
1049
3172
3.81
1105

0.8
Watts
1454
1620
1793
1973
2159
2353
2556
2768
2990
3225
3473

Bhp
1.63
1.80
1.99
2.20
2.42
2.66
2.91
3.19
3.49
3.81
4.15

Rpm
936
956
976
997
1019
1041
1064
1087
1110
1134
1159

1.0
Watts
1584
1756
1937
2126
2326
2536
2757
2991
3237
3497
3769

Bhp
1.89
2.07
2.27
2.49
2.72
2.97
3.24
3.52
3.83
4.15
4.50

581A155 (12 TONS) WITH STANDARD MOTOR (High Heat Units)* (cont)
Available External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
3750
999
1829
2.15
1059
2091
2.42
1117
2343
2.70
1174
4000
1017
2010
2.35
1076
2279
2.63
1132
2540
2.91
1186
4250
1036
2198
2.56
1093
2474
2.85
1148
2743
3.14
1201
4500
1056
2395
2.78
1112
2675
3.08
1166
2951
3.39
1217
4750
1077
2601
3.03
1132
2885
3.34
1184
3168
3.65
1235
5000
1098
2816
3.29
1152
3104
3.61
1204
3392
3.93
1253
5250
1120
3042
3.56
1173
3332
3.90
1224
3626
4.23
1273
5500
1142
3279
3.86
1195
3570
4.20
1245
3870
4.55
1293
5750
1165
3528
4.18
1217
3819
4.53
1266
4125
4.88
1313
6000
1188
3789
4.51
1239
4080
4.88
1288
4389
5.24
—
6250
1212
4062
4.87
1262
4351
5.24
—
—
—
—

1.8
Watts
2521
2738
2962
3194
3435
3683
3940
4203
4471
—
—

Bhp
2.99
3.21
3.44
3.70
3.97
4.26
4.57
4.89
5.24
—
—

Rpm
1228
1239
1253
1267
1284
1301
1320
1339
—
—
—

2.0
Watts
2801
3023
3251
3487
3731
3981
4239
4501
—
—
—

Bhp
3.29
3.51
3.75
4.01
4.29
4.59
4.91
5.24
—
—
—

Bhp
Watts

—
—

NOTES:
1.
Field-supplied motor required.
2. Maximum continuous bhp for the standard motor is 3.13 (for 208/230 and
460-v units) or 3.38 (for 575-v units). The maximum continuous watts is
2700 (for 208/230 and 460-v units) or 3065 (for 575-v units). Do not adjust
motor rpm such that motor maximum bhp and/or watts is exceeded at the
maximum operating cfm. See Evaporator Fan Motor Data tables for more
information.
3. Fan performance is identical for horizontal discharge applications using
Bryant horizontal adapter curb.

LEGEND
Brake Horsepower
Input Watts to Motor

*Standard low-medium static drive range is 895 to 1147 rpm. Other rpms require a
field-supplied drive.
Refer to page 262 for general Fan Performance Data notes.

581A155 (12 TONS) WITH OPTIONAL MOTOR (High Heat Units)*
Available External Static Pressure (in. wg)
0.6
Bhp
Rpm
Watts
Bhp
Rpm
1.13
795
1234
1.37
869
1.28
818
1388
1.54
890
1.45
841
1550
1.72
911
1.63
864
1719
1.91
934
1.84
889
1896
2.12
956
2.06
914
2081
2.35
979
2.31
940
2277
2.60
1003
2.57
966
2482
2.87
1028
2.86
993
2699
3.16
1053
3.16
1021
2929
3.47
1078
3.49
1049
3172
3.81
1105

0.8
Watts
1454
1620
1793
1973
2159
2353
2556
2768
2990
3225
3473

Bhp
1.63
1.80
1.99
2.20
2.42
2.66
2.91
3.19
3.49
3.81
4.15

Rpm
936
956
976
997
1019
1041
1064
1087
1110
1134
1159

1.0
Watts
1584
1756
1937
2126
2326
2536
2757
2991
3237
3497
3769

Bhp
1.89
2.07
2.27
2.49
2.72
2.97
3.24
3.52
3.83
4.15
4.50

581A155 (12 TONS) WITH OPTIONAL MOTOR (High Heat Units)* (cont)
Available External Static Pressure (in. wg)
Airflow
1.2
1.4
1.6
(Cfm)
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
3750
999
1829
2.15
1059
2091
2.42
1117
2343
2.70
1174
4000
1017
2010
2.35
1076
2279
2.63
1132
2540
2.91
1186
4250
1036
2198
2.56
1093
2474
2.85
1148
2743
3.14
1201
4500
1056
2395
2.78
1112
2675
3.08
1166
2951
3.39
1217
4750
1077
2601
3.03
1132
2885
3.34
1184
3168
3.65
1235
5000
1098
2816
3.29
1152
3104
3.61
1204
3392
3.93
1253
5250
1120
3042
3.56
1173
3332
3.90
1224
3626
4.23
1273
5500
1142
3279
3.86
1195
3570
4.20
1245
3870
4.55
1293
5750
1165
3528
4.18
1217
3819
4.53
1266
4125
4.88
1313
6000
1188
3789
4.51
1239
4080
4.88
1288
4389
5.24
—
6250
1212
4062
4.87
1262
4351
5.24
—
—
—
—

1.8
Watts
2521
2738
2962
3194
3435
3683
3940
4203
4471
—
—

Bhp
2.99
3.21
3.44
3.70
3.97
4.26
4.57
4.89
5.24
—
—

Rpm
1228
1239
1253
1267
1284
1301
1320
1339
—
—
—

2.0
Watts
2801
3023
3251
3487
3731
3981
4239
4501
—
—
—

Bhp
3.29
3.51
3.75
4.01
4.29
4.59
4.91
5.24
—
—
—

Airflow
(Cfm)
3750
4000
4250
4500
4750
5000
5250
5500
5750
6000
6250

Bhp
Watts

—
—

Rpm
622
652
682
713
744
776
808
840
872
905
937

0.2
Watts
888
1015
1151
1295
1448
1610
1783
1967
2163
2373
2596

Bhp
0.89
1.04
1.20
1.38
1.58
1.80
2.04
2.29
2.57
2.87
3.19

Rpm
713
738
763
790
817
845
874
903
933
963
994

0.4
Watts
1027
1168
1317
1474
1641
1817
2003
2200
2410
2634
2872

NOTES:
1.
Field-supplied motor required.
2. Maximum continuous bhp for the optional motor is 4.26. The maximum continuous watts is 3610. Do not adjust motor rpm such that motor maximum bhp
and/or watts is exceeded at the maximum operating cfm. See Evaporator Fan
Motor Data tables for more information.
3. Fan performance is identical for horizontal discharge applications using
Bryant horizontal adapter curb.

LEGEND
Brake Horsepower
Input Watts to Motor

*Alternate high-static drive range is 1040 to 1315. Other rpms require a fieldsupplied drive.
Refer to page 262 for general Fan Performance Data notes.

250

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581A180 (15 TONS) (Low Heat Units)*
Airflow
(Cfm)
4500
4800
5100
5700
6000
6300
6600
6900
7200
7500

Rpm
753
747
741
810
844
879
915
950
986
1022

0.2
Watts
1307
1384
1465
1911
2164
2439
2737
3057
3401
3770

Bhp
1.53
1.62
1.72
2.24
2.54
2.86
3.21
3.59
3.99
4.42

Rpm
761
790
820
882
914
947
980
1013
1047
1081

0.4
Watts
1330
1515
1718
2182
2444
2729
3035
3364
3717
4095

Available External Static Pressure (in. wg)
0.6
0.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
1.56
840
1572
1.84
912
1822
1.78
866
1765
2.07
936
2023
2.01
893
1977
2.32
961
2243
2.56
950
2459
2.88
1014
2741
2.87
980
2730
3.20
1042
3021
3.20
1010
3023
3.55
1070
3322
3.56
1041
3338
3.91
1099
3645
3.95
1072
3675
4.31
1129
3991
4.36
1104
4037
4.74
1159
4361
4.80
1136
4423
5.19
1189
4755

Bhp
2.14
2.37
2.63
3.21
3.54
3.90
4.28
4.68
5.11
5.58

Rpm
980
1002
1025
1075
1100
1127
1155
1183
1211
1241

1.0
Watts
2080
2289
2516
3029
3317
3626
3957
4311
4689
5091

Bhp
2.44
2.68
2.95
3.55
3.89
4.25
4.64
5.06
5.50
5.97

1.4
Watts
2619
2841
3082
3624
3925
4249
4595
4964
—
—

Available External Static Pressure (in. wg)
1.6
1.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
3.07
1163
2899
3.40
1218
3187
3.33
1180
3127
3.67
1235
3420
3.61
1199
3375
3.96
1252
3674
4.25
1240
3929
4.61
1291
4241
4.60
1262
4239
4.97
1312
4557
4.98
1285
4569
5.36
1334
4894
5.39
1309
4922
5.77
—
—
5.82
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Bhp
3.74
4.01
4.31
4.97
5.34
5.74
—
—
—
—

Rpm
1271
1287
1304
1341
1361
—
—
—
—
—

2.0
Watts
3481
3720
3979
4558
4880
—
—
—
—
—

Bhp
4.08
4.36
4.67
5.35
5.72
—
—
—
—
—

2.4
Watts
4088
4337
4607
—
—
—
—
—
—
—

Available External Static Pressure (in. wg)
2.6
2.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
4.79
1419
4400
5.16
1466
4719
5.09
1433
4655
5.46
1479
4978
5.40
1448
4930
5.78
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Bhp
5.53
5.84
—
—
—
—
—
—
—
—

Rpm
1511
—
—
—
—
—
—
—
—
—

3.0
Watts
5042
—
—
—
—
—
—
—
—
—

Bhp
5.91
—
—
—
—
—
—
—
—
—

581A180 (15 TONS) (Low Heat Units)* (cont)
Airflow
(Cfm)
4500
4800
5100
5700
6000
6300
6600
6900
7200
7500

Rpm
1044
1065
1086
1132
1157
1182
1208
1235
1262
—

1.2
Watts
2345
2561
2795
3324
3619
3935
4274
4636
5021
—

Bhp
2.75
3.00
3.28
3.90
4.24
4.62
5.01
5.44
5.89
—

Rpm
1105
1124
1144
1187
1210
1234
1259
1285
—
—

581A180 (15 TONS) (Low Heat Units)* (cont)
Airflow
(Cfm)
4500
4800
5100
5700
6000
6300
6600
6900
7200
7500

Rpm
1322
1337
1353
1388
—
—
—
—
—
—

2.2
Watts
3781
4025
4290
4881
—
—
—
—
—
—

Bhp
4.43
4.72
5.03
5.72
—
—
—
—
—
—

Rpm
1372
1386
1401
—
—
—
—
—
—
—

Refer to page 262 for general Fan Performance Data notes.
NOTES:
1. Maximum continuous bhp for the standard motor is 6.13. The maximum continuous watts is 5180. Do not adjust motor rpm such that
motor maximum bhp and/or watts is exceeded at the maximum
operating cfm. See Evaporator Fan Motor Data tables for more
information.
2. Fan performance is identical for horizontal discharge applications
using Bryant horizontal adapter curb.

LEGEND
Bhp
— Brake Horsepower
FIOP — Factory-Installed Option
Watts — Input Watts to Motor
*Standard low-medium static drive range is 873 to 1021 rpm. Alternate
high-static drive range is 1025 to 1200. Other rpms require a fieldsupplied drive.

581A155-300

251

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581A180 (15 TONS) (High Heat Units)*
Airflow
(Cfm)
4500
4800
5100
5700
6000
6300
6600
6900
7200
7500

Rpm
753
747
775
849
886
924
962
1000
1038
1077

0.2
Watts
1307
1384
1571
2054
2329
2628
2951
3298
3672
4072

Bhp
1.53
1.62
1.84
2.41
2.73
3.08
3.46
3.87
4.31
4.78

Rpm
786
818
850
918
952
987
1023
1059
1095
1131

0.4
Watts
1404
1603
1822
2323
2607
2915
3246
3603
3986
4394

Available External Static Pressure (in. wg)
0.6
0.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
1.65
861
1644
1.93
932
1893
1.88
890
1852
2.17
958
2108
2.14
920
2079
2.44
986
2344
2.73
982
2598
3.05
1044
2879
3.06
1015
2891
3.39
1074
3180
3.42
1047
3207
3.76
1105
3504
3.81
1081
3547
4.16
1136
3853
4.23
1115
3912
4.59
1168
4225
4.67
1149
4303
5.05
1201
4625
5.15
1184
4720
5.54
1234
5050

Bhp
2.22
2.47
2.75
3.38
3.73
4.11
4.52
4.96
5.42
5.92

Rpm
997
1022
1048
1102
1130
1160
1190
1220
1251
—

1.0
Watts
2150
2373
2616
3166
3474
3807
4163
4543
4950
—

Bhp
2.52
2.78
3.07
3.71
4.08
4.46
4.88
5.33
5.81
—

1.4
Watts
2685
2922
3178
3757
4080
4427
4798
—
—
—

Available External Static Pressure (in. wg)
1.6
1.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
3.15
1175
2964
3.48
1230
3250
3.43
1195
3207
3.76
1248
3498
3.73
1216
3470
4.07
1268
3767
4.41
1262
4061
4.76
1312
4371
4.79
1287
4391
5.15
1335
4707
5.19
1312
4745
5.57
1359
5067
5.63
1338
5122
6.01
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Bhp
3.81
4.10
4.42
5.13
5.52
5.94
—
—
—
—

Rpm
1282
1299
1319
1360
1382
—
—
—
—
—

2.0
Watts
3542
3795
4071
4686
5029
—
—
—
—
—

Bhp
4.15
4.45
4.77
5.50
5.90
—
—
—
—
—

2.4
Watts
4145
4409
4695
—
—
—
—
—
—
—

Available External Static Pressure (in. wg)
2.6
2.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
4.86
1428
4456
5.23
1473
4772
5.17
1443
4725
5.54
1488
5046
5.51
1460
5016
5.88
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Bhp
5.60
5.92
—
—
—
—
—
—
—
—

Rpm
1518
—
—
—
—
—
—
—
—
—

3.0
Watts
5095
—
—
—
—
—
—
—
—
—

Bhp
5.98
—
—
—
—
—
—
—
—
—

581A180 (15 TONS) (High Heat Units)* (cont)
Airflow
(Cfm)
4500
4800
5100
5700
6000
6300
6600
6900
7200
7500

Rpm
1060
1082
1106
1157
1184
1212
1241
1270
—
—

1.2
Watts
2414
2644
2894
3459
3774
4114
4478
4866
—
—

Bhp
2.83
3.10
3.39
4.06
4.43
4.83
5.25
5.71
—
—

Rpm
1119
1140
1163
1211
1236
1263
1290
—
—
—

581A180 (15 TONS) (High Heat Units)* (cont)
Airflow
(Cfm)
4500
4800
5100
5700
6000
6300
6600
6900
7200
7500

Rpm
1332
1349
1367
1407
—
—
—
—
—
—

2.2
Watts
3841
4100
4380
5007
—
—
—
—
—
—

Bhp
4.50
4.81
5.14
5.87
—
—
—
—
—
—

Rpm
1381
1397
1414
—
—
—
—
—
—
—

LEGEND
Bhp
— Brake Horsepower
Watts — Input Watts to Motor

Refer to page 262 for general Fan Performance Data notes.
NOTES:
1. Maximum continuous bhp for the standard motor is 6.13. The maximum continuous watts is 5180. Do not adjust motor rpm such that
motor maximum bhp and/or watts is exceeded at the maximum
operating cfm. See Evaporator Fan Motor Data tables for more
information.
2. Fan performance is identical for horizontal discharge applications
using Bryant horizontal adapter curb.

*Standard low-medium static drive range is 873 to 1021 rpm. Alternate
high-static drive range is 1025 to 1200. Other rpms require a fieldsupplied drive.

252

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581A210 (18 TONS) (Low Heat Units)*
Airflow
(Cfm)
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500

Rpm
460
499
538
579
621
664
707
751
795
839
884

0.2
Watts
591
774
990
1243
1536
1871
2250
2676
3150
3676
4253

Bhp
0.68
0.89
1.14
1.43
1.77
2.15
2.59
3.08
3.62
4.23
4.89

Rpm
548
581
617
654
693
732
772
813
855
897
940

0.4
Watts
774
976
1212
1485
1798
2152
2550
2994
3487
4029
4625

Available External Static Pressure (in. wg)
0.6
0.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
0.89
623
951
1.09
692
1126
1.12
653
1170
1.35
717
1361
1.39
685
1423
1.64
746
1630
1.71
719
1715
1.97
778
1938
2.07
755
2045
2.35
811
2285
2.48
792
2417
2.78
846
2673
2.93
830
2834
3.26
883
3106
3.44
869
3295
3.79
920
3585
4.01
909
3805
4.38
958
4112
4.63
949
4366
5.02
997
4689
5.32
990
4978
5.73
1037
5318

Bhp
1.29
1.56
1.88
2.23
2.63
3.07
3.57
4.12
4.73
5.39
6.12

Rpm
755
777
803
832
864
897
932
967
1004
1042
1080

1.0
Watts
1301
1551
1835
2158
2520
2925
3373
3868
4411
5004
5649

Bhp
1.50
1.78
2.11
2.48
2.90
3.36
3.88
4.45
5.07
5.75
6.50

1.4
Watts
1650
1930
2243
2594
2984
3417
3895
4419
4992
5615
6290

Available External Static Pressure (in. wg)
1.6
1.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
1.90
924
1825
2.10
975
1999
2.22
939
2119
2.44
988
2308
2.58
958
2446
2.81
1005
2650
2.98
980
2811
3.23
1026
3028
3.43
1006
3215
3.70
1049
3445
3.93
1034
3662
4.21
1076
3905
4.48
1064
4153
4.78
1104
4409
5.08
1095
4691
5.39
1135
4960
5.74
1128
5277
6.07
1167
5561
6.46
1163
5915
6.80
1200
6211
7.23
1198
6604
7.60
1234
6914

Bhp
2.30
2.65
3.05
3.48
3.96
4.49
5.07
5.70
6.40
7.14
7.95

Rpm
1023
1035
1051
1070
1092
1117
1144
1173
1204
1236
1269

2.0
Watts
2173
2497
2853
3244
3674
4147
4665
5229
5842
6506
7223

Bhp
2.50
2.87
3.28
3.73
4.23
4.77
5.37
6.01
6.72
7.48
8.31

581A210 (18 TONS) (Low Heat Units)* (cont)
Airflow
(Cfm)
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500

Rpm
814
834
857
884
913
945
978
1012
1047
1084
1121

1.2
Watts
1476
1740
2039
2376
2753
3172
3636
4145
4703
5311
5972

Bhp
1.70
2.00
2.35
2.73
3.17
3.65
4.18
4.77
5.41
6.11
6.87

Rpm
871
888
909
933
960
990
1022
1055
1089
1124
1160

Refer to page 262 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 4.25 (208/230 and 460-v), 3.45 (575-v)
High Range: 5.75

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 647-886 (208/230 and 460-v), 810-1072 (575-v)
High Range: 897-1139 (208/230 and 460-v), 873-1108 (575-v)
All other rpms require field-supplied drive.

581A155-300

253

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581A210 (18 TONS) (Medium Heat Units)*
Airflow
(Cfm)
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500

Rpm
470
511
553
597
641
686
732
779
826
873
921

0.2
Watts
611
802
1029
1297
1606
1961
2363
2815
3320
3879
4495

Bhp
0.70
0.92
1.18
1.49
1.85
2.26
2.72
3.24
3.82
4.46
5.17

Rpm
556
591
629
669
709
751
794
837
882
926
972

0.4
Watts
791
1001
1248
1534
1862
2234
2653
3122
3642
4217
4847

Available External Static Pressure (in. wg)
0.6
0.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
0.91
630
967
1.11
697
1141
1.15
661
1194
1.37
725
1383
1.44
695
1458
1.68
756
1663
1.76
732
1761
2.03
789
1982
2.14
770
2106
2.42
825
2343
2.57
809
2495
2.87
862
2749
3.05
849
2931
3.37
900
3201
3.59
891
3416
3.93
940
3702
4.19
933
3953
4.55
980
4254
4.85
975
4542
5.22
1021
4860
5.57
1019
5189
5.97
1063
5521

Bhp
1.31
1.59
1.91
2.28
2.70
3.16
3.68
4.26
4.89
5.59
6.35

Rpm
760
784
812
843
876
911
948
986
1025
1065
1105

1.0
Watts
1314
1572
1866
2201
2577
2997
3465
3981
4549
5169
5846

Bhp
1.51
1.81
2.15
2.53
2.96
3.45
3.99
4.58
5.23
5.95
6.72

Available External Static Pressure (in. wg)
1.6
1.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
1.91
927
1835
2.11
978
2008
2.24
943
2136
2.46
992
2324
2.61
964
2472
2.84
1011
2673
3.03
988
2848
3.28
1033
3063
3.49
1016
3266
3.76
1059
3494
4.01
1045
3728
4.29
1087
3970
4.58
1077
4238
4.87
1117
4492
5.21
1111
4797
5.52
1150
5064
5.89
1146
5407
6.22
1184
5688
6.64
1182
6071
6.98
1219
6365
7.45
1220
6790
7.81
1255
7098

Bhp
2.31
2.67
3.07
3.52
4.02
4.57
5.17
5.82
6.54
7.32
8.16

Rpm
1026
1039
1056
1076
1100
1127
1156
1187
1220
1254
1290

2.0
Watts
2182
2512
2876
3278
3721
4210
4745
5330
5967
6657
7403

Bhp
2.51
2.89
3.31
3.77
4.28
4.84
5.46
6.13
6.86
7.66
8.51

581A210 (18 TONS) (Medium Heat Units)* (cont)
Airflow
(Cfm)
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500

Rpm
818
840
865
893
925
958
993
1029
1067
1106
1145

1.2
Watts
1488
1760
2068
2417
2808
3243
3725
4256
4838
5474
6165

Bhp
1.71
2.02
2.38
2.78
3.23
3.73
4.28
4.90
5.56
6.30
7.09

Rpm
874
893
915
942
971
1003
1036
1071
1107
1145
1183

1.4
Watts
1661
1948
2270
2632
3037
3486
3982
4528
5124
5774
6479

Refer to page 262 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 4.25 (208/230 and 460-v), 3.45 (575-v)
High Range: 5.75

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 647-886 (208/230 and 460-v), 810-1072 (575-v)
High Range: 897-1139 (208/230 and 460-v), 873-1108 (575-v)
All other rpms require field-supplied drive.

254

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581A210 (18 TONS) (High Heat Units)*
Airflow
(Cfm)
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500

Rpm
470
511
553
597
641
686
732
779
826
873
921

0.2
Watts
611
802
1029
1297
1606
1961
2363
2815
3320
3879
4495

Bhp
0.70
0.92
1.18
1.49
1.85
2.26
2.72
3.24
3.82
4.46
5.17

Rpm
556
591
629
669
709
751
794
837
882
926
972

0.4
Watts
791
1001
1248
1534
1862
2234
2653
3122
3642
4217
4847

Available External Static Pressure (in. wg)
0.6
0.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
0.91
630
967
1.11
697
1141
1.15
661
1194
1.37
725
1383
1.44
695
1458
1.68
756
1663
1.76
732
1761
2.03
789
1982
2.14
770
2106
2.42
825
2343
2.57
809
2495
2.87
862
2749
3.05
849
2931
3.37
900
3201
3.59
891
3416
3.93
940
3702
4.19
933
3953
4.55
980
4254
4.85
975
4542
5.22
1021
4860
5.57
1019
5189
5.97
1063
5521

Bhp
1.31
1.59
1.91
2.28
2.70
3.16
3.68
4.26
4.89
5.59
6.35

Rpm
760
784
812
843
876
911
948
986
1025
1065
1105

1.0
Watts
1314
1572
1866
2201
2577
2997
3465
3981
4549
5169
5846

Bhp
1.51
1.81
2.15
2.53
2.96
3.45
3.99
4.58
5.23
5.95
6.72

1.4
Watts
1661
1948
2270
2632
3037
3486
3982
4528
5124
5774
6479

Available External Static Pressure (in. wg)
1.6
1.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
1.91
927
1835
2.11
978
2008
2.24
943
2136
2.46
992
2324
2.61
964
2472
2.84
1011
2673
3.03
988
2848
3.28
1033
3063
3.49
1016
3266
3.76
1059
3494
4.01
1045
3728
4.29
1087
3970
4.58
1077
4238
4.87
1117
4492
5.21
1111
4797
5.52
1150
5064
5.89
1146
5407
6.22
1184
5688
6.64
1182
6071
6.98
1219
6365
7.45
1220
6790
7.81
1255
7098

Bhp
2.31
2.67
3.07
3.52
4.02
4.57
5.17
5.82
6.54
7.32
8.16

Rpm
1026
1039
1056
1076
1100
1127
1156
1187
1220
1254
1290

2.0
Watts
2182
2512
2876
3278
3721
4210
4745
5330
5967
6657
7403

Bhp
2.51
2.89
3.31
3.77
4.28
4.84
5.46
6.13
6.86
7.66
8.51

581A210 (18 TONS) (High Heat Units)* (cont)
Airflow
(Cfm)
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500

Rpm
818
840
865
893
925
958
993
1029
1067
1106
1145

1.2
Watts
1488
1760
2068
2417
2808
3243
3725
4256
4838
5474
6165

Bhp
1.71
2.02
2.38
2.78
3.23
3.73
4.28
4.90
5.56
6.30
7.09

Rpm
874
893
915
942
971
1003
1036
1071
1107
1145
1183

Refer to page 262 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 4.25 (208/230 and 460-v), 3.45 (575-v)
High Range: 5.75

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 647-886 (208/230 and 460-v), 810-1072 (575-v)
High Range: 897-1139 (208/230 and 460-v), 873-1108 (575-v)
All other rpms require field-supplied drive.

581A155-300

255

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581A240 (20 TONS) (Low Heat Units)*
Airflow
(Cfm)
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
590
633
677
722
767
813
859
906
952
999
1047

0.2
Watts
1276
1579
1925
2317
2758
3250
3795
4394
5051
5767
6544

Bhp
1.47
1.82
2.21
2.67
3.17
3.74
4.36
5.05
5.81
6.63
7.53

Rpm
663
703
744
786
828
871
915
959
1004
1049
1094

0.4
Watts
1516
1838
2203
2614
3073
3582
4143
4759
5432
6163
6956

Available External Static Pressure (in. wg)
0.6
0.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
1.74
727
1745
2.01
786
1968
2.11
764
2084
2.40
820
2324
2.53
803
2467
2.84
857
2723
3.01
842
2896
3.33
894
3167
3.53
883
3371
3.88
933
3660
4.12
924
3897
4.48
972
4202
4.77
966
4475
5.15
1012
4797
5.47
1008
5107
5.87
1053
5445
6.25
1051
5797
6.67
1095
6150
7.09
1094
6544
7.53
1137
6913
8.00
1138
7352
8.46
1180
7736

Bhp
2.26
2.67
3.13
3.64
4.21
4.83
5.52
6.26
7.07
7.95
8.90

Rpm
840
872
907
942
979
1017
1056
1096
1136
1177
1219

1.0
Watts
2189
2560
2974
3434
3942
4500
5110
5774
6494
7272
8111

Bhp
2.52
2.94
3.42
3.95
4.53
5.18
5.88
6.64
7.47
8.36
9.33

1.4
Watts
2625
3024
3467
3956
4493
5080
5719
6413
7163
7970
8838

Available External Static Pressure (in. wg)
1.6
1.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
3.02
987
2843
3.27
1032
3060
3.48
1014
3255
3.74
1057
3485
3.99
1042
3711
4.27
1084
3955
4.55
1073
4214
4.85
1114
4470
5.17
1106
4764
5.48
1145
5034
5.84
1140
5365
6.17
1178
5649
6.58
1176
6018
6.92
1213
6315
7.38
1212
6726
7.74
1248
7036
8.24
1250
7490
8.61
1285
7814
9.17
1288
8312
9.56
1322
8649
10.16
1327
9193
10.57
1360
9545

Bhp
3.52
4.01
4.55
5.14
5.79
6.50
7.26
8.09
8.99
9.95
10.98

Rpm
1076
1099
1125
1153
1183
1215
1249
1283
1319
1355
1393

2.0
Watts
3277
3716
4198
4726
5303
5930
6610
7344
8135
8984
9893

Bhp
3.77
4.27
4.83
5.44
6.10
6.82
7.60
8.45
9.36
10.33
11.38

581A240 (20 TONS) (Low Heat Units)* (cont)
Airflow
(Cfm)
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
891
921
954
988
1024
1060
1098
1137
1176
1216
1256

1.2
Watts
2408
2792
3221
3696
4219
4792
5417
6096
6831
7624
8478

Bhp
2.77
3.21
3.70
4.25
4.85
5.51
6.23
7.01
7.86
8.77
9.75

Rpm
940
968
999
1032
1066
1101
1138
1175
1214
1253
1292

Refer to page 262 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 5.75
High Range: 8.63

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 949-1206
High Range: 941-1176
All other rpms require field-supplied drive.

256

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581A240 (20 TONS) (Medium Heat Units)*
Airflow
(Cfm)
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
607
652
699
746
794
842
891
940
990
1039
1089

0.2
Watts
1329
1648
2013
2428
2895
3415
3992
4628
5325
6085
6911

Bhp
1.53
1.90
2.32
2.79
3.33
3.93
4.59
5.32
6.12
7.00
7.95

Rpm
677
719
763
807
851
897
943
990
1037
1085
1133

0.4
Watts
1565
1902
2285
2716
3198
3735
4327
4977
5688
6462
7301

Available External Static Pressure (in. wg)
0.6
0.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
1.80
740
1791
2.06
797
2013
2.19
779
2145
2.47
833
2382
2.63
819
2545
2.93
872
2798
3.12
861
2993
3.44
911
3262
3.68
904
3491
4.02
952
3776
4.30
947
4043
4.65
994
4343
4.98
991
4650
5.35
1036
4966
5.72
1036
5316
6.11
1080
5646
6.54
1082
6042
6.95
1124
6386
7.43
1128
6829
7.85
1168
7188
8.40
1174
7682
8.83
1213
8055

Bhp
2.31
2.74
3.22
3.75
4.34
5.00
5.71
6.49
7.35
8.27
9.26

Rpm
850
884
921
958
998
1038
1079
1121
1163
1207
1251

1.0
Watts
2231
2616
3046
3525
4055
4637
5274
5970
6724
7541
8421

Bhp
2.57
3.01
3.50
4.05
4.66
5.33
6.07
6.87
7.73
8.67
9.69

Available External Static Pressure (in. wg)
1.6
1.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
3.06
995
2879
3.31
1040
3095
3.54
1023
3305
3.80
1066
3534
4.07
1054
3778
4.35
1095
4019
4.65
1087
4298
4.94
1127
4553
5.29
1122
4870
5.60
1160
5138
5.99
1158
5495
6.32
1195
5776
6.76
1195
6174
7.10
1231
6468
7.59
1234
6912
7.95
1269
7219
8.49
1273
7708
8.87
1308
8029
9.46
1314
8566
9.85
1347
8900
10.51
1355
9488
10.91
1387
9836

Bhp
3.56
4.06
4.62
5.24
5.91
6.64
7.44
8.30
9.23
10.24
11.31

Rpm
1083
1108
1135
1165
1197
1231
1267
1303
1341
1379
—

2.0
Watts
3310
3762
4260
4806
5404
6055
6761
7524
8347
9231
—

Bhp
3.81
4.33
4.90
5.53
6.22
6.96
7.78
8.65
9.60
10.62
—

581A240 (20 TONS) (Medium Heat Units)* (cont)
Airflow
(Cfm)
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
900
933
967
1003
1041
1079
1119
1160
1202
1244
1287

1.2
Watts
2448
2847
3292
3785
4330
4926
5578
6288
7056
7887
8781

Bhp
2.82
3.27
3.79
4.35
4.98
5.67
6.42
7.23
8.12
9.07
10.10

Rpm
949
979
1011
1046
1082
1119
1158
1198
1238
1279
1321

1.4
Watts
2664
3077
3535
4043
4601
5212
5878
6601
7384
8228
9137

Refer to page 261 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 5.75
High Range: 8.63

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 949-1206
High Range: 941-1176
All other rpms require field-supplied drive.

581A155-300

257

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581A240 (20 TONS) (High Heat Units)*
Airflow
(Cfm)
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
607
652
699
746
794
842
891
940
990
1039
1089

0.2
Watts
1329
1648
2013
2428
2895
3415
3992
4628
5325
6085
6911

Bhp
1.53
1.90
2.32
2.79
3.33
3.93
4.59
5.32
6.12
7.00
7.95

Rpm
677
719
763
807
851
897
943
990
1037
1085
1133

0.4
Watts
1565
1902
2285
2716
3198
3735
4327
4977
5688
6462
7301

Available External Static Pressure (in. wg)
0.6
0.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
1.80
740
1791
2.06
797
2013
2.19
779
2145
2.47
833
2382
2.63
819
2545
2.93
872
2798
3.12
861
2993
3.44
911
3262
3.68
904
3491
4.02
952
3776
4.30
947
4043
4.65
994
4343
4.98
991
4650
5.35
1036
4966
5.72
1036
5316
6.11
1080
5646
6.54
1082
6042
6.95
1124
6386
7.43
1128
6829
7.85
1168
7188
8.40
1174
7682
8.83
1213
8055

Bhp
2.31
2.74
3.22
3.75
4.34
5.00
5.71
6.49
7.35
8.27
9.26

Rpm
850
884
921
958
998
1038
1079
1121
1163
1207
1251

1.0
Watts
2231
2616
3046
3525
4055
4637
5274
5970
6724
7541
8421

Bhp
2.57
3.01
3.50
4.05
4.66
5.33
6.07
6.87
7.73
8.67
9.69

1.4
Watts
2664
3077
3535
4043
4601
5212
5878
6601
7384
8228
9137

Available External Static Pressure (in. wg)
1.6
1.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
3.06
995
2879
3.31
1040
3095
3.54
1023
3305
3.80
1066
3534
4.07
1054
3778
4.35
1095
4019
4.65
1087
4298
4.94
1127
4553
5.29
1122
4870
5.60
1160
5138
5.99
1158
5495
6.32
1195
5776
6.76
1195
6174
7.10
1231
6468
7.59
1234
6912
7.95
1269
7219
8.49
1273
7708
8.87
1308
8029
9.46
1314
8566
9.85
1347
8900
10.51
1355
9488
10.91
1387
9836

Bhp
3.56
4.06
4.62
5.24
5.91
6.64
7.44
8.30
9.23
10.24
11.31

Rpm
1083
1108
1135
1165
1197
1231
1267
1303
1341
1379
—

2.0
Watts
3310
3762
4260
4806
5404
6055
6761
7524
8347
9231
—

Bhp
3.81
4.33
4.90
5.53
6.22
6.96
7.78
8.65
9.60
10.62
—

581A240 (20 TONS) (High Heat Units)* (cont)
Airflow
(Cfm)
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm
900
933
967
1003
1041
1079
1119
1160
1202
1244
1287

1.2
Watts
2448
2847
3292
3785
4330
4926
5578
6288
7056
7887
8781

Bhp
2.82
3.27
3.79
4.35
4.98
5.67
6.42
7.23
8.12
9.07
10.10

Rpm
949
979
1011
1046
1082
1119
1158
1198
1238
1279
1321

Refer to page 261 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 5.75
High Range: 8.63

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 949-1206
High Range: 941-1176
All other rpms require field-supplied drive.

258

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581A300 (25 TONS) (Low Heat Units)*
Airflow
(Cfm)
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,500
12,000
12,500

Rpm
750
797
845
892
939
986
1033
1079
1126
1172
1219
1265
1311

0.2
Watts
2,468
2,942
3,468
4,045
4,677
5,364
6,108
6,911
7,773
8,696
9,681
10,732
11,848

Bhp
2.84
3.38
3.99
4.65
5.38
6.17
7.03
7.95
8.94
10.00
11.13
12.34
13.63

Rpm
806
853
900
948
995
1042
1090
1137
1184
1232
1279
1326
—

0.4
Watts
2,767
3,276
3,840
4,462
5,141
5,882
6,684
7,550
8,480
9,475
10,539
11,669
—

Available External Static Pressure (in. wg)
0.6
0.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
3.18
854
3,031
3.49
898
3,298
3.77
899
3,557
4.09
941
3,832
4.42
945
4,142
4.76
985
4,430
5.13
991
4,789
5.51 1030
5,092
5.91 1038
5,497
6.32 1076
5,818
6.76 1085
6,269
7.21 1122
6,611
7.69 1132
7,105
8.17 1169
7,470
8.68 1180
8,007
9.21 1216
8,399
9.75 1227
8,978
10.33 1263
9,399
10.90 1274 10,017
11.52 1310 10,468
12.12 1322 11,127
12.80 1357
11,611
13.42
—
—
—
—
—
—
—
—
—
—
—

Bhp
3.79
4.41
5.09
5.86
6.69
7.60
8.59
9.66
10.81
12.04
13.35
—
—

Rpm
943
982
1024
1067
1112
1157
1203
1249
1296
1342
—
—
—

1.0
Watts
3,584
4,118
4,721
5,391
6,129
6,936
7,813
8,761
9,782
10,876
—
—
—

Bhp
4.12
4.74
5.43
6.20
7.05
7.98
8.99
10.08
11.25
12.51
—
—
—

1.4
Watts
4,250
4,760
5,351
6,020
6,765
7,586
8,483
9,456
10,505
—
—
—
—

Available External Static Pressure (in. wg)
1.6
1.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
4.89 1082
4,634
5.33 1130
5,053
5.48 1109
5,126
5.90 1153
5,524
6.15 1141
5,702
6.56 1181
6,081
6.92 1176
6,361
7.32 1213
6,727
7.78 1214
7,103
8.17 1249
7,459
8.73 1255
7,925
9.11 1287
8,276
9.76 1296
8,824
10.15 1327
9,176
10.88 1340
9,804
11.28 1369 10,158
12.08 1384 10,862
12.49
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Bhp
5.81
6.35
6.99
7.74
8.58
9.52
10.55
11.68
—
—
—
—
—

Rpm
1177
1197
1222
1251
1283
1319
1357
1398
—
—
—
—
—

2.0
Watts
5,499
5,953
6,490
7,118
7,837
8,645
9,541
10,522
—
—
—
—
—

Bhp
6.32
6.85
7.46
8.19
9.01
9.94
10.97
12.10
—
—
—
—
—

581A300 (25 TONS) (Low Heat Units)* (cont)
Airflow
(Cfm)
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,500
12,000
12,500

Rpm
988
1024
1063
1104
1146
1190
1235
1280
1326
1372
—
—
—

1.2
Watts
3,900
4,426
5,026
5,698
6,443
7,259
8,148
9,111
10,147
11,259
—
—
—

Bhp
4.49
5.09
5.78
6.55
7.41
8.35
9.37
10.48
11.67
12.95
—
—
—

Rpm
1035
1066
1101
1140
1180
1222
1266
1310
1355
—
—
—
—

Refer to page 261 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 5.75
High Range: 8.63

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 805-1007
High Range: 941-1176
All other rpms require field-supplied drive.

581A155-300

259

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581A300 (25 TONS) (Medium Heat Units)*
Airflow
(Cfm)
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,500
12,000
12,500

Rpm
775
826
878
929
981
1033
1085
1137
1190
1242
1294
1347
—

0.2
Watts
2,600
3,115
3,690
4,326
5,029
5,799
6,640
7,553
8,542
9,609
10,756
11,985
—

Bhp
2.99
3.58
4.24
4.98
5.78
6.67
7.64
8.69
9.82
11.05
12.37
13.78
—

Rpm
825
875
925
975
1026
1076
1128
1179
1230
1282
1333
—
—

0.4
Watts
2,872
3,408
4,006
4,667
5,395
6,191
7,058
8,000
9,016
10,111
11,287
—
—

Available External Static Pressure (in. wg)
0.6
0.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
3.30
871
3,130
3.60
915
3,400
3.92
918
3,679
4.23
959
3,954
4.61
966
4,292
4.94 1005
4,575
5.37 1015
4,970
5.72 1052
5,265
6.20 1064
5,717
6.58 1100
6,025
7.12
1114
6,533
7.51 1148
6,856
8.12 1164
7,421
8.54 1198
7,761
9.20 1214
8,385
9.64 1247
8,741
10.37 1265
9,424
10.84 1297
9,799
11.63 1316 10,542
12.12 1347 10,937
12.98 1367 11,741
13.50
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Bhp
3.91
4.55
5.26
6.06
6.93
7.89
8.93
10.05
11.27
12.58
—
—
—

Rpm
959
1000
1043
1088
1134
1181
1229
1278
1327
1376
—
—
—

1.0
Watts
3,692
4,245
4,868
5,564
6,332
7,173
8,091
9,086
10,158
11,311
—
—
—

Bhp
4.25
4.88
5.60
6.40
7.28
8.25
9.31
10.45
11.68
13.01
—
—
—

Available External Static Pressure (in. wg)
1.6
1.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
5.03 1098
4,769
5.48 1145
5,195
5.64 1126
5,277
6.07 1170
5,685
6.34 1159
5,872
6.75 1199
6,261
7.13 1196
6,553
7.54 1233
6,928
8.02 1235
7,318
8.42 1269
7,684
9.00 1277
8,168
9.39 1309
8,527
10.07 1320
9,100
10.47 1351
9,457
11.23 1365 10,116
11.63 1394 10,474
12.49
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Bhp
5.97
6.54
7.20
7.97
8.84
9.81
10.88
12.05
—
—
—
—
—

Rpm
1192
1214
1240
1270
1304
1341
1381
—
—
—
—
—
—

2.0
Watts
5646
6122
6680
7329
8071
8905
9830
—
—
—
—
—
—

Bhp
6.49
7.04
7.68
8.43
9.28
10.24
11.31
—
—
—
—
—
—

581A300 (25 TONS) (Medium Heat Units)* (cont)
Airflow
(Cfm)
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,500
12,000
12,500

Rpm
1004
1041
1081
1124
1168
1214
1260
1308
1356
—
—
—
—

1.2
Watts
4,016
4,559
5,179
5,875
6,647
7,495
8,421
9,425
10,510
—
—
—
—

Bhp
4.62
5.24
5.96
6.76
7.64
8.62
9.69
10.84
12.09
—
—
—
—

Rpm
1050
1083
1120
1160
1202
1245
1290
1337
1384
—
—
—
—

1.4
Watts
4,374
4,902
5,512
6,203
6,974
7,825
8,756
9,768
10,862
—
—
—
—

Refer to page 261 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 5.75
High Range: 8.63

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 805-1007
High Range: 941-1176
All other rpms require field-supplied drive.

260

PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
581A300 (25 TONS) (High Heat Units)*
Airflow
(Cfm)
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,500
12,000
12,500

Rpm
775
826
878
929
981
1033
1085
1137
1190
1242
1294
1347
—

0.2
Watts
2,600
3,115
3,690
4,326
5,029
5,799
6,640
7,553
8,542
9,609
10,756
11,985
—

Bhp
2.99
3.58
4.24
4.98
5.78
6.67
7.64
8.69
9.82
11.05
12.37
13.78
—

Rpm
825
875
925
975
1026
1076
1128
1179
1230
1282
1333
—
—

0.4
Watts
2,872
3,408
4,006
4,667
5,395
6,191
7,058
8,000
9,016
10,111
11,287
—
—

Available External Static Pressure (in. wg)
0.6
0.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
3.30
871
3,130
3.60
915
3,400
3.92
918
3,679
4.23
959
3,954
4.61
966
4,292
4.94 1005
4,575
5.37 1015
4,970
5.72 1052
5,265
6.20 1064
5,717
6.58 1100
6,025
7.12
1114
6,533
7.51 1148
6,856
8.12 1164
7,421
8.54 1198
7,761
9.20 1214
8,385
9.64 1247
8,741
10.37 1265
9,424
10.84 1297
9,799
11.63 1316 10,542
12.12 1347 10,937
12.98 1367 11,741
13.50
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Bhp
3.91
4.55
5.26
6.06
6.93
7.89
8.93
10.05
11.27
12.58
—
—
—

Rpm
959
1000
1043
1088
1134
1181
1229
1278
1327
1376
—
—
—

1.0
Watts
3,692
4,245
4,868
5,564
6,332
7,173
8,091
9,086
10,158
11,311
—
—
—

Bhp
4.25
4.88
5.60
6.40
7.28
8.25
9.31
10.45
11.68
13.01
—
—
—

1.4
Watts
4,374
4,902
5,512
6,203
6,974
7,825
8,756
9,768
10,862
—
—
—
—

Available External Static Pressure (in. wg)
1.6
1.8
Bhp
Rpm
Watts
Bhp
Rpm
Watts
5.03 1098
4,769
5.48 1145
5,195
5.64 1126
5,277
6.07 1170
5,685
6.34 1159
5,872
6.75 1199
6,261
7.13 1196
6,553
7.54 1233
6,928
8.02 1235
7,318
8.42 1269
7,684
9.00 1277
8,168
9.39 1309
8,527
10.07 1320
9,100
10.47 1351
9,457
11.23 1365 10,116
11.63 1394 10,474
12.49
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Bhp
5.97
6.54
7.20
7.97
8.84
9.81
10.88
12.05
—
—
—
—
—

Rpm
1192
1214
1240
1270
1304
1341
1381
—
—
—
—
—
—

2.0
Watts
5646
6122
6680
7329
8071
8905
9830
—
—
—
—
—
—

Bhp
6.49
7.04
7.68
8.43
9.28
10.24
11.31
—
—
—
—
—
—

581A300 (25 TONS) (High Heat Units)* (cont)
Airflow
(Cfm)
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,500
12,000
12,500

Rpm
1004
1041
1081
1124
1168
1214
1260
1308
1356
—
—
—
—

1.2
Watts
4,016
4,559
5,179
5,875
6,647
7,495
8,421
9,425
10,510
—
—
—
—

Bhp
4.62
5.24
5.96
6.76
7.64
8.62
9.69
10.84
12.09
—
—
—
—

Rpm
1050
1083
1120
1160
1202
1245
1290
1337
1384
—
—
—
—

Refer to this page for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 5.75
High Range: 8.63

LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 805-1007
High Range: 941-1176
All other rpms require field-supplied drive.

GENERAL NOTES FOR FAN PERFORMANCE DATA TABLES
1. Static pressure losses (i.e., EconoMi$er IV) must be added to
external static pressure before entering Fan Performance table.
2. Interpolation is permissible. Do not extrapolate.
3. Fan performance is based on wet coils, clean filters, and casing
losses. See Accessory/FIOP Static Pressure table on page 273.
4. Extensive motor and drive testing on these units ensures that the
full horsepower and watts range of the motor can be utilized with
confidence. Using the fan motors up to the watts or bhp rating

shown will not result in nuisance tripping or premature motor failure. Unit warranty will not be affected.
5. Use of a field-supplied motor may affect wire size. Contact your
Bryant representative for details.
6. Field-supplied drive requires changing belt and motor pulley to
meet desired airflow. See application data or contact your local
Bryant representative for details.

581A155-300

261

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581A210 (18 TONS) (Low Heat Units)*
Airflow
(Cfm)

3,500
4,000
4,500
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm

0.2
Bhp

Watts

635
707
780
853
928
1003
1079
1155
1231
1308
1385
—
—
—

1064
1402
1802
2264
2794
3047
3812
4697
5714
6871
8177
—
—
—

1.22
1.61
2.07
2.60
3.21
3.50
4.38
5.40
6.57
7.90
9.40
—
—
—

Rpm

0.4
Bhp

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm

0.8
Bhp

Watts

Rpm

1.0
Bhp

Watts

709
773
840
909
979
1051
1123
1196
1270
1344
—
—
—
—

1278
1627
2037
2510
3049
3376
4166
5078
6120
7303
—
—
—
—

1.47
1.87
2.34
2.89
3.51
3.88
4.79
5.84
7.04
8.40
—
—
—
—

838
892
950
1011
1075
1140
1207
1275
1345
—
—
—
—
—

1708
2080
2510
2710
3333
4059
4898
5859
6952
—
—
—
—
—

1.96
2.39
2.89
3.12
3.83
4.67
5.63
6.74
8.00
—
—
—
—
—

896
947
1001
1059
1120
1182
1247
1313
1381
—
—
—
—
—

1924
2307
2465
3015
3661
4411
5274
6260
7378
—
—
—
—
—

2.21
2.65
2.84
3.47
4.21
5.07
6.07
7.20
8.49
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm

1.8
Bhp

Watts

Rpm

2.0
Bhp

Watts

2.44
2.93
3.51
4.20
4.99
5.91
6.96
8.14
—
—
—
—
—
—

2662
3129
3678
4315
5051
5892
6847
—
—
—
—
—
—
—

3.06
3.60
4.23
4.96
5.81
6.78
7.87
—
—
—
—
—
—
—

1146
1184
1227
1274
1324
1377
—
—
—
—
—
—
—
—

2944
3432
4001
4658
5415
6278
—
—
—
—
—
—
—
—

3.39
3.95
4.60
5.36
6.23
7.22
—
—
—
—
—
—
—
—

776
835
897
961
1028
1096
1166
1236
1308
1380
—
—
—
—

1492
1853
2273
2756
3012
3714
4529
5465
6533
7741
—
—
—
—

1.72
2.13
2.61
3.17
3.46
4.27
5.21
6.29
7.51
8.90
—
—
—
—

581A210 (18 TONS) (Low Heat Units)* (cont)
Airflow
(Cfm)

3,500
4,000
4,500
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm

1.2
Bhp

Watts

Rpm

1.4
Bhp

951
998
1050
1105
1163
1224
1286
1350
—
—
—
—
—
—

2143
2535
2756
3329
3997
4771
5658
6668
—
—
—
—
—
—

2.46
2.92
3.17
3.83
4.60
5.49
6.51
7.67
—
—
—
—
—
—

1003
1048
1097
1150
1205
1263
1324
1386
—
—
—
—
—
—

2120
2548
3055
3651
4342
5138
6048
7081
—
—
—
—
—
—

1052
1095
1142
1192
1246
1302
1361
—
—
—
—
—
—
—

2387
2835
3363
3979
4692
5511
6445
—
—
—
—
—
—
—

2.75
3.26
3.87
4.58
5.40
6.34
7.41
—
—
—
—
—
—
—

1100
1141
1185
1234
1286
1340
1397
—
—
—
—
—
—
—

Refer to page 261 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 4.25 (208/230 and 460-v), 3.45 (575-v)
High Range: 5.75

LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 896-1227 (208/230 and 460-v), 863-1141 (575-v)
High Range: 1113-1414 (208/230 and 460-v), 1042-1285 (575-v)
All other rpms require field-supplied drive.

262

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581A210 (18 TONS) (Medium Heat Units)*
Airflow
(Cfm)

3,500
4,000
4,500
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm

0.2
Bhp

Watts

645
718
792
867
943
1019
1096
1173
1250
1328
—
—
—
—

1105
1454
1866
2343
2889
3177
3973
4894
5952
7153
—
—
—
—

1.27
1.67
2.15
2.69
3.32
3.65
4.57
5.63
6.85
8.23
—
—
—
—

Rpm

0.4
Bhp

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm

0.8
Bhp

Watts

Rpm

1.0
Bhp

Watts

720
785
853
923
995
1067
1141
1215
1290
1365
—
—
—
—

1329
1692
2117
2605
3162
3532
4354
5304
6389
7620
—
—
—
—

1.53
1.95
2.43
3.00
3.64
4.06
5.01
6.10
7.35
8.76
—
—
—
—

851
906
965
1027
1092
1158
1226
1295
1366
—
—
—
—
—

1767
2158
2609
2845
3497
4259
5136
6140
7281
—
—
—
—
—

2.03
2.48
3.00
3.27
4.02
4.90
5.91
7.06
8.37
—
—
—
—
—

910
962
1017
1076
1138
1201
1267
1334
—
—
—
—
—
—

1982
2388
2583
3163
3843
4631
5535
6567
—
—
—
—
—
—

2.28
2.75
2.97
3.64
4.42
5.33
6.37
7.55
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm

1.8
Bhp

Watts

Rpm

2.0
Bhp

Watts

2.51
3.04
3.67
4.39
5.23
6.20
7.30
—
—
—
—
—
—
—

2708
3221
3814
4497
5280
6172
—
—
—
—
—
—
—
—

3.11
3.70
4.39
5.17
6.07
7.10
—
—
—
—
—
—
—
—

1162
1202
1246
1294
1345
1398
—
—
—
—
—
—
—
—

2979
3517
4135
4844
5652
6569
—
—
—
—
—
—
—
—

3.43
4.05
4.76
5.57
6.50
7.56
—
—
—
—
—
—
—
—

788
848
911
977
1044
1113
1184
1256
1328
—
—
—
—
—

1549
1926
2364
2865
3158
3892
4742
5719
6832
—
—
—
—
—

1.78
2.22
2.72
3.30
3.63
4.48
5.45
6.58
7.86
—
—
—
—
—

581A210 (18 TONS) (Medium Heat Units)* (cont)
Airflow
(Cfm)

3,500
4,000
4,500
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm

1.2
Bhp

Watts

Rpm

1.4
Bhp

965
1014
1067
1123
1182
1243
1306
1371
—
—
—
—
—
—

2195
2364
2882
3489
4194
5008
5939
6997
—
—
—
—
—
—

2.53
2.72
3.31
4.01
4.82
5.76
6.83
8.05
—
—
—
—
—
—

1018
1064
1114
1168
1224
1283
1345
—
—
—
—
—
—
—

2181
2644
3187
3820
4551
5391
6349
—
—
—
—
—
—
—

1068
1112
1160
1211
1266
1323
1382
—
—
—
—
—
—
—

2442
2930
3498
4156
4913
5779
6763
—
—
—
—
—
—
—

2.81
3.37
4.02
4.78
5.65
6.65
7.78
—
—
—
—
—
—
—

1116
1158
1204
1253
1306
1361
—
—
—
—
—
—
—
—

Refer to page 261 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 4.25 (208/230 and 460-v), 3.45 (575-v)
High Range: 5.75

LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 896-1227 (208/230 and 460-v), 863-1141 (575-v)
High Range: 1113-1414 (208/230 and 460-v), 1042-1285 (575-v)
All other rpms require field-supplied drive.

581A155-300

263

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581A210 (18 TONS) (High Heat Units)*
Airflow
(Cfm)

3,500
4,000
4,500
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm

0.2
Bhp

Watts

645
718
792
867
943
1019
1096
1173
1250
1328
—
—
—
—

1105
1454
1866
2343
2889
3177
3973
4894
5952
7153
—
—
—
—

1.27
1.67
2.15
2.69
3.32
3.65
4.57
5.63
6.85
8.23
—
—
—
—

Rpm

0.4
Bhp

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm

0.8
Bhp

Watts

Rpm

1.0
Bhp

Watts

720
785
853
923
995
1067
1141
1215
1290
1365
—
—
—
—

1329
1692
2117
2605
3162
3532
4354
5304
6389
7620
—
—
—
—

1.53
1.95
2.43
3.00
3.64
4.06
5.01
6.10
7.35
8.76
—
—
—
—

851
906
965
1027
1092
1158
1226
1295
1366
—
—
—
—
—

1767
2158
2609
2845
3497
4259
5136
6140
7281
—
—
—
—
—

2.03
2.48
3.00
3.27
4.02
4.90
5.91
7.06
8.37
—
—
—
—
—

910
962
1017
1076
1138
1201
1267
1334
—
—
—
—
—
—

1982
2388
2583
3163
3843
4631
5535
6567
—
—
—
—
—
—

2.28
2.75
2.97
3.64
4.42
5.33
6.37
7.55
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm

1.8
Bhp

Watts

Rpm

2.0
Bhp

Watts

2.51
3.04
3.67
4.39
5.23
6.20
7.30
—
—
—
—
—
—
—

2708
3221
3814
4497
5280
6172
—
—
—
—
—
—
—
—

3.11
3.70
4.39
5.17
6.07
7.10
—
—
—
—
—
—
—
—

1162
1202
1246
1294
1345
1398
—
—
—
—
—
—
—
—

2979
3517
4135
4844
5652
6569
—
—
—
—
—
—
—
—

3.43
4.05
4.76
5.57
6.50
7.56
—
—
—
—
—
—
—
—

788
848
911
977
1044
1113
1184
1256
1328
—
—
—
—
—

1549
1926
2364
2865
3158
3892
4742
5719
6832
—
—
—
—
—

1.78
2.22
2.72
3.30
3.63
4.48
5.45
6.58
7.86
—
—
—
—
—

581A210 (18 TONS) (High Heat Units)* (cont)
Airflow
(Cfm)

3,500
4,000
4,500
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm

1.2
Bhp

Watts

Rpm

1.4
Bhp

965
1014
1067
1123
1182
1243
1306
1371
—
—
—
—
—
—

2195
2364
2882
3489
4194
5008
5939
6997
—
—
—
—
—
—

2.53
2.72
3.31
4.01
4.82
5.76
6.83
8.05
—
—
—
—
—
—

1018
1064
1114
1168
1224
1283
1345
—
—
—
—
—
—
—

2181
2644
3187
3820
4551
5391
6349
—
—
—
—
—
—
—

1068
1112
1160
1211
1266
1323
1382
—
—
—
—
—
—
—

2442
2930
3498
4156
4913
5779
6763
—
—
—
—
—
—
—

2.81
3.37
4.02
4.78
5.65
6.65
7.78
—
—
—
—
—
—
—

1116
1158
1204
1253
1306
1361
—
—
—
—
—
—
—
—

Refer to page 261Refer to page 261 for general Fan Performance Data
notes.
NOTE: Maximum continuous bhp is:
Low Range: 4.25 (208/230 and 460-v), 3.45 (575-v)
High Range: 5.75

LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 896-1227 (208/230 and 460-v), 863-1141 (575-v)
High Range: 1113-1414 (208/230 and 460-v), 1042-1285 (575-v)
All other rpms require field-supplied drive.

264

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581A240 (20 TONS) (Low Heat Units)*
Airflow
(Cfm)

3,500
4,000
4,500
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm

0.2
Bhp

Watts

642
714
787
862
937
1013
1089
1166
1243
1320
1398
—
—
—

1082
1426
1831
2301
2838
3113
3893
4798
5837
7017
8350
—
—
—

1.24
1.64
2.11
2.65
3.26
3.58
4.48
5.52
6.71
8.07
9.60
—
—
—

Rpm

0.4
Bhp

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm

0.8
Bhp

Watts

Rpm

1.0
Bhp

Watts

714
780
847
917
988
1060
1133
1207
1282
1356
—
—
—
—

1296
1651
2067
2547
3094
3445
4250
5181
6244
7450
—
—
—
—

1.49
1.90
2.38
2.93
3.56
3.96
4.89
5.96
7.18
8.57
—
—
—
—

843
898
957
1019
1083
1149
1216
1285
1355
—
—
—
—
—

1726
2103
2540
2755
3390
4130
4986
5965
7080
—
—
—
—
—

1.98
2.42
2.92
3.17
3.90
4.75
5.73
6.86
8.14
—
—
—
—
—

901
952
1008
1066
1127
1191
1256
1323
1391
—
—
—
—
—

1943
2330
2501
3062
3719
4484
5364
6369
7507
—
—
—
—
—

2.23
2.68
2.88
3.52
4.28
5.16
6.17
7.32
8.63
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm

1.8
Bhp

Watts

Rpm

2.0
Bhp

Watts

2.46
2.96
3.56
4.25
5.06
6.00
7.06
8.27
—
—
—
—
—
—

2684
3160
3718
4366
5114
5970
—
—
—
—
—
—
—
—

3.09
3.63
4.28
5.02
5.88
6.87
—
—
—
—
—
—
—
—

1149
1189
1233
1280
1331
1384
—
—
—
—
—
—
—
—

2968
3463
4041
4710
5480
6358
—
—
—
—
—
—
—
—

3.41
3.98
4.65
5.42
6.30
7.31
—
—
—
—
—
—
—
—

781
841
904
969
1036
1105
1175
1247
1319
1392
—
—
—
—

1510
1877
2303
2793
3067
3783
4615
5570
6658
7890
—
—
—
—

1.74
2.16
2.65
3.21
3.53
4.35
5.31
6.41
7.66
9.08
—
—
—
—

581A240 (20 TONS) (Low Heat Units)* (cont)
Airflow
(Cfm)

3,500
4,000
4,500
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm

1.2
Bhp

Watts

Rpm

1.4
Bhp

955
1004
1056
1112
1171
1232
1295
1360
—
—
—
—
—
—

2160
2299
2793
3376
4057
4845
5749
6778
—
—
—
—
—
—

2.48
2.64
3.21
3.88
4.67
5.57
6.61
7.80
—
—
—
—
—
—

1007
1053
1103
1156
1212
1271
1333
1396
—
—
—
—
—
—

2142
2578
3093
3699
4402
5213
6141
7193
—
—
—
—
—
—

1056
1100
1147
1199
1253
1310
1369
—
—
—
—
—
—
—

2409
2865
3402
4029
4754
5588
6538
—
—
—
—
—
—
—

2.77
3.29
3.91
4.63
5.47
6.43
7.52
—
—
—
—
—
—
—

1104
1145
1191
1240
1292
1348
—
—
—
—
—
—
—
—

Refer to page 261 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 4.25 (208/230 and 460-v), 5.75 (575-v)
High Range: 5.75

LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 896-1227 (208/230 and 460-v), 873-1108 (575-v)
High Range: 1113-1414
All other rpms require field-supplied drive.

581A155-300

265

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581A240 (20 TONS) (Medium Heat Units)*
Airflow
(Cfm)

3,500
4,000
4,500
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm

0.2
Bhp

Watts

652
725
800
875
952
1029
1106
1184
1262
1341
—
—
—
—

1123
1479
1897
2383
2937
3249
4061
5003
6083
7312
—
—
—
—

1.29
1.70
2.18
2.74
3.38
3.74
4.67
5.75
7.00
8.41
—
—
—
—

Rpm

0.4
Bhp

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm

0.8
Bhp

Watts

Rpm

1.0
Bhp

Watts

726
792
861
931
1003
1077
1151
1226
1302
1378
—
—
—
—

1347
1716
2148
2645
2883
3605
4445
5414
6522
7779
—
—
—
—

1.55
1.97
2.47
3.04
3.32
4.15
5.11
6.23
7.50
8.95
—
—
—
—

856
912
972
1035
1100
1167
1236
1306
1377
—
—
—
—
—

1784
2182
2639
2892
3558
4334
5229
6253
7417
—
—
—
—
—

2.05
2.51
3.04
3.33
4.09
4.98
6.01
7.19
8.53
—
—
—
—
—

914
967
1024
1083
1145
1210
1276
1344
—
—
—
—
—
—

2000
2412
2620
3212
3905
4707
5629
6681
—
—
—
—
—
—

2.30
2.77
3.01
3.69
4.49
5.41
6.47
7.68
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm

1.8
Bhp

Watts

Rpm

2.0
Bhp

Watts

2.53
3.07
3.71
4.45
5.31
6.29
7.41
—
—
—
—
—
—
—

2730
3251
3854
4549
5345
6253
—
—
—
—
—
—
—
—

3.14
3.74
4.43
5.23
6.15
7.19
—
—
—
—
—
—
—
—

1166
1207
1252
1300
1352
—
—
—
—
—
—
—
—
—

3002
3548
4176
4896
5719
—
—
—
—
—
—
—
—
—

3.45
4.08
4.80
5.63
6.58
—
—
—
—
—
—
—
—
—

793
854
918
984
1053
1123
1194
1266
1340
—
—
—
—
—

1567
1950
2395
2904
3217
3966
4834
5831
6967
—
—
—
—
—

1.80
2.24
2.75
3.34
3.70
4.56
5.56
6.71
8.01
—
—
—
—
—

581A240 (20 TONS) (Medium Heat Units)* (cont)
Airflow
(Cfm)

3,500
4,000
4,500
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm

1.2
Bhp

Watts

Rpm

1.4
Bhp

970
1019
1073
1130
1189
1251
1315
1381
—
—
—
—
—
—

2213
2393
2920
3537
4257
5086
6035
7114
—
—
—
—
—
—

2.55
2.75
3.36
4.07
4.90
5.85
6.94
8.18
—
—
—
—
—
—

1022
1069
1120
1174
1232
1292
1354
—
—
—
—
—
—
—

2203
2673
3226
3870
4614
5469
6446
—
—
—
—
—
—
—

1072
1117
1165
1218
1273
1331
1391
—
—
—
—
—
—
—

2464
2959
3537
4207
4977
5859
6861
—
—
—
—
—
—
—

2.83
3.40
4.07
4.84
5.72
6.74
7.89
—
—
—
—
—
—
—

1120
1163
1209
1259
1313
1369
—
—
—
—
—
—
—
—

Refer to page 261 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 4.25 (208/230 and 460-v), 5.75 (575-v)
High Range: 5.75

LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 896-1227 (208/230 and 460-v), 873-1108 (575-v)
High Range: 1113-1414
All other rpms require field-supplied drive.

266

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581A240 (20 TONS) (High Heat Units)*
Airflow
(Cfm)

3,500
4,000
4,500
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm

0.2
Bhp

Watts

652
725
800
875
952
1029
1106
1184
1262
1341
—
—
—
—

1123
1479
1897
2383
2937
3249
4061
5003
6083
7312
—
—
—
—

1.29
1.70
2.18
2.74
3.38
3.74
4.67
5.75
7.00
8.41
—
—
—
—

Rpm

0.4
Bhp

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm

0.8
Bhp

Watts

Rpm

1.0
Bhp

Watts

726
792
861
931
1003
1077
1151
1226
1302
1378
—
—
—
—

1347
1716
2148
2645
2883
3605
4445
5414
6522
7779
—
—
—
—

1.55
1.97
2.47
3.04
3.32
4.15
5.11
6.23
7.50
8.95
—
—
—
—

856
912
972
1035
1100
1167
1236
1306
1377
—
—
—
—
—

1784
2182
2639
2892
3558
4334
5229
6253
7417
—
—
—
—
—

2.05
2.51
3.04
3.33
4.09
4.98
6.01
7.19
8.53
—
—
—
—
—

914
967
1024
1083
1145
1210
1276
1344
—
—
—
—
—
—

2000
2412
2620
3212
3905
4707
5629
6681
—
—
—
—
—
—

2.30
2.77
3.01
3.69
4.49
5.41
6.47
7.68
—
—
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm

1.8
Bhp

Watts

Rpm

2.0
Bhp

Watts

2.53
3.07
3.71
4.45
5.31
6.29
7.41
—
—
—
—
—
—
—

2730
3251
3854
4549
5345
6253
—
—
—
—
—
—
—
—

3.14
3.74
4.43
5.23
6.15
7.19
—
—
—
—
—
—
—
—

1166
1207
1252
1300
1352
—
—
—
—
—
—
—
—
—

3002
3548
4176
4896
5719
—
—
—
—
—
—
—
—
—

3.45
4.08
4.80
5.63
6.58
—
—
—
—
—
—
—
—
—

793
854
918
984
1053
1123
1194
1266
1340
—
—
—
—
—

1567
1950
2395
2904
3217
3966
4834
5831
6967
—
—
—
—
—

1.80
2.24
2.75
3.34
3.70
4.56
5.56
6.71
8.01
—
—
—
—
—

581A240 (20 TONS) (High Heat Units)* (cont)
Airflow
(Cfm)

3,500
4,000
4,500
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000

Rpm

1.2
Bhp

Watts

Rpm

1.4
Bhp

970
1019
1073
1130
1189
1251
1315
1381
—
—
—
—
—
—

2213
2393
2920
3537
4257
5086
6035
7114
—
—
—
—
—
—

2.55
2.75
3.36
4.07
4.90
5.85
6.94
8.18
—
—
—
—
—
—

1022
1069
1120
1174
1232
1292
1354
—
—
—
—
—
—
—

2203
2673
3226
3870
4614
5469
6446
—
—
—
—
—
—
—

1072
1117
1165
1218
1273
1331
1391
—
—
—
—
—
—
—

2464
2959
3537
4207
4977
5859
6861
—
—
—
—
—
—
—

2.83
3.40
4.07
4.84
5.72
6.74
7.89
—
—
—
—
—
—
—

1120
1163
1209
1259
1313
1369
—
—
—
—
—
—
—
—

Refer to page 261 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 4.25 (208/230 and 460-v), 5.75 (575-v)
High Range: 5.75

LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 896-1227 (208/230 and 460-v), 873-1108 (575-v)
High Range: 1113-1414
All other rpms require field-supplied drive.

581A155-300

267

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581A300 (25 TONS) (Low Heat Units)*
Airflow
(Cfm)

6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,500
12,000
12,500

Rpm

0.2
Bhp

Watts

Rpm

0.4
Bhp

786
842
898
955
1012
1069
1127
1184
1242
1299
1357
—
—

2,658
3,208
3,827
4,518
5,284
6,127
7,050
8,057
9,149
10,331
11,604
—
—

3.06
3.69
4.40
5.20
6.08
7.05
8.11
9.27
10.52
11.88
13.35
—
—

819
871
925
979
1034
1090
1146
1202
1258
1315
1372
—
—

2,835
3,386
4,006
4,699
5,466
6,312
7,238
8,247
9,344
10,529
11,806
—
—

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm

3.26
3.89
4.61
5.40
6.29
7.26
8.32
9.49
10.75
12.11
13.58
—
—

857
905
955
1007
1059
1113
1167
1221
1276
1332
—
—
—

3,052
3,599
4,217
4,908
5,675
6,521
7,448
8,460
9,557
10,745
—
—
—

3.51
4.14
4.85
5.65
6.53
7.50
8.57
9.73
10.99
12.36
—
—
—

899
943
989
1037
1087
1138
1190
1243
1296
1350
—
—
—

0.8
Bhp

Watts

Rpm

1.0
Bhp

Watts

3,304
3,847
4,460
5,148
5,912
6,757
7,682
8,693
9,791
10,979
—
—
—

3.80
4.42
5.13
5.92
6.80
7.77
8.84
10.00
11.26
12.63
—
—
—

943
983
1026
1070
1117
1165
1215
1266
1318
1370
—
—
—

3,586
4,123
4,733
5,416
6,176
7,017
7,940
8,948
10,046
11,232
—
—
—

4.12
4.74
5.44
6.23
7.10
8.07
9.13
10.29
11.55
12.92
—
—
—

581A300 (25 TONS) (Low Heat Units)* (cont)
Airflow
(Cfm)

6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,500
12,000
12,500

Rpm

1.2
Bhp

Watts

Rpm

1.4
Bhp

988
1024
1063
1105
1149
1194
1242
1290
1340
1391
—
—
—

3,900
4,428
5,031
5,709
6,465
7,302
8,222
9,227
10,321
11,505
—
—
—

4.49
5.09
5.79
6.57
7.44
8.40
9.46
10.61
11.87
13.23
—
—
—

1035
1066
1102
1140
1181
1225
1270
1316
1364
—
—
—
—

4,248
4,760
5,354
6,025
6,777
7,608
8,524
9,525
10,617
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm

4.89
5.48
6.16
6.93
7.79
8.75
9.80
10.96
12.21
—
—
—
—

1082
1109
1141
1176
1215
1256
1298
1343
1389
—
—
—
—

4,632
5,124
5,703
6,364
7,109
7,935
8,847
9,845
10,932
—
—
—
—

5.33
5.89
6.56
7.32
8.18
9.13
10.17
11.32
12.57
—
—
—
—

1129
1153
1181
1213
1249
1287
1328
1370
—
—
—
—
—

1.8
Bhp

Watts

Rpm

2.0
Bhp

Watts

5,050
5,521
6,081
6,729
7,463
8,282
9,189
10,181
—
—
—
—
—

5.81
6.35
6.99
7.74
8.58
9.53
10.57
11.71
—
—
—
—
—

1177
1197
1221
1250
1283
1319
1358
1399
—
—
—
—
—

5,499
5,950
6,487
7,116
7,838
8,649
9,548
10,536
—
—
—
—
—

6.32
6.84
7.46
8.18
9.02
9.95
10.98
12.12
—
—
—
—
—

Refer to page 261 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 5.75
High Range: 8.63

LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 805-1007
High Range: 941-1176
All other rpms require field-supplied drive.

268

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581A300 (25 TONS) (Medium Heat Units)*
Airflow
(Cfm)

6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,500
12,000
12,500

Rpm

0.2
Bhp

Watts

Rpm

0.4
Bhp

799
856
913
971
1029
1087
1145
1203
1261
1320
1378
—
—

2,730
3,294
3,929
4,637
5,421
6,285
7,231
8,262
9,381
10,592
11,896
—
—

3.14
3.79
4.52
5.33
6.24
7.23
8.32
9.50
10.79
12.18
13.68
—
—

833
887
941
996
1052
1108
1165
1222
1279
1337
—
—
—

2,914
3,481
4,118
4,829
5,617
6,484
7,433
8,468
9,592
10,807
—
—
—

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm

3.35
4.00
4.74
5.55
6.46
7.46
8.55
9.74
11.03
12.43
—
—
—

872
921
972
1024
1078
1132
1187
1243
1299
1355
—
—
—

3,135
3,699
4,335
5,046
5,835
6,703
7,655
8,693
9,820
11,038
—
—
—

3.61
4.25
4.99
5.80
6.71
7.71
8.80
10.00
11.29
12.70
—
—
—

914
958
1006
1055
1106
1158
1211
1265
1319
1374
—
—
—

0.8
Bhp

Watts

Rpm

1.0
Bhp

Watts

3,392
3,950
4,582
5,290
6,077
6,946
7,898
8,936
10,065
11,284
—
—
—

3.90
4.54
5.27
6.08
6.99
7.99
9.08
10.28
11.58
12.98
—
—
—

958
999
1042
1088
1136
1185
1236
1288
1341
1394
—
—
—

3,687
4,235
4,860
5,562
6,345
7,211
8,161
9,199
10,327
11,547
—
—
—

4.24
4.87
5.59
6.40
7.30
8.29
9.39
10.58
11.88
13.28
—
—
—

581A300 (25 TONS) (Medium Heat Units)* (cont)
Airflow
(Cfm)

6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,500
12,000
12,500

Rpm

1.2
Bhp

Watts

Rpm

1.4
Bhp

1005
1041
1080
1122
1167
1214
1262
1312
1363
—
—
—
—

4,020
4,555
5,168
5,862
6,638
7,499
8,447
9,482
10,608
—
—
—
—

4.62
5.24
5.94
6.74
7.63
8.63
9.72
10.91
12.20
—
—
—
—

1052
1084
1119
1158
1200
1244
1290
1338
1387
—
—
—
—

4,390
4,908
5,508
6,190
6,959
7,813
8,754
9,785
10,909
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm

5.05
5.64
6.33
7.12
8.00
8.99
10.07
11.25
12.55
—
—
—
—

1100
1128
1160
1195
1234
1275
1319
1365
—
—
—
—
—

4,791
5,294
5,878
6,548
7,305
8,149
9,084
10,110
—
—
—
—
—

5.51
6.09
6.76
7.53
8.40
9.37
10.45
11.63
—
—
—
—
—

1148
1172
1201
1233
1269
1308
1349
1392
—
—
—
—
—

1.8
Bhp

Watts

Rpm

2.0
Bhp

Watts

5,221
5,710
6,279
6,934
7,677
8,511
9,437
10,454
—
—
—
—
—

6.00
6.57
7.22
7.97
8.83
9.79
10.85
12.02
—
—
—
—
—

1195
1217
1242
1272
1304
1340
1379
—
—
—
—
—
—

5673
6153
6708
7347
8076
8896
9812
—
—
—
—
—
—

6.52
7.08
7.71
8.45
9.29
10.23
11.28
—
—
—
—
—
—

Refer to page 261 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 5.75
High Range: 8.63

LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 805-1007
High Range: 941-1176
All other rpms require field-supplied drive.

581A155-300

269

PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
581A300 (25 TONS) (High Heat Units)*
Airflow
(Cfm)

6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,500
12,000
12,500

Rpm

0.2
Bhp

Watts

Rpm

0.4
Bhp

799
856
913
971
1029
1087
1145
1203
1261
1320
1378
—
—

2,730
3,294
3,929
4,637
5,421
6,285
7,231
8,262
9,381
10,592
11,896
—
—

3.14
3.79
4.52
5.33
6.24
7.23
8.32
9.50
10.79
12.18
13.68
—
—

833
887
941
996
1052
1108
1165
1222
1279
1337
—
—
—

2,914
3,481
4,118
4,829
5,617
6,484
7,433
8,468
9,592
10,807
—
—
—

External Static Pressure (in. wg)
0.6
Watts
Rpm
Bhp
Watts
Rpm

3.35
4.00
4.74
5.55
6.46
7.46
8.55
9.74
11.03
12.43
—
—
—

872
921
972
1024
1078
1132
1187
1243
1299
1355
—
—
—

3,135
3,699
4,335
5,046
5,835
6,703
7,655
8,693
9,820
11,038
—
—
—

3.61
4.25
4.99
5.80
6.71
7.71
8.80
10.00
11.29
12.70
—
—
—

914
958
1006
1055
1106
1158
1211
1265
1319
1374
—
—
—

0.8
Bhp

Watts

Rpm

1.0
Bhp

Watts

3,392
3,950
4,582
5,290
6,077
6,946
7,898
8,936
10,065
11,284
—
—
—

3.90
4.54
5.27
6.08
6.99
7.99
9.08
10.28
11.58
12.98
—
—
—

958
999
1042
1088
1136
1185
1236
1288
1341
1394
—
—
—

3,687
4,235
4,860
5,562
6,345
7,211
8,161
9,199
10,327
11,547
—
—
—

4.24
4.87
5.59
6.40
7.30
8.29
9.39
10.58
11.88
13.28
—
—
—

581A300 (25 TONS) (High Heat Units)* (cont)
Airflow
(Cfm)

6,500
7,000
7,500
8,000
8,500
9,000
9,500
10,000
10,500
11,000
11,500
12,000
12,500

Rpm

1.2
Bhp

Watts

Rpm

1.4
Bhp

1005
1041
1080
1122
1167
1214
1262
1312
1363
—
—
—
—

4,020
4,555
5,168
5,862
6,638
7,499
8,447
9,482
10,608
—
—
—
—

4.62
5.24
5.94
6.74
7.63
8.63
9.72
10.91
12.20
—
—
—
—

1052
1084
1119
1158
1200
1244
1290
1338
1387
—
—
—
—

4,390
4,908
5,508
6,190
6,959
7,813
8,754
9,785
10,909
—
—
—
—

External Static Pressure (in. wg)
1.6
Watts
Rpm
Bhp
Watts
Rpm

5.05
5.64
6.33
7.12
8.00
8.99
10.07
11.25
12.55
—
—
—
—

1100
1128
1160
1195
1234
1275
1319
1365
—
—
—
—
—

4,791
5,294
5,878
6,548
7,305
8,149
9,084
10,110
—
—
—
—
—

5.51
6.09
6.76
7.53
8.40
9.37
10.45
11.63
—
—
—
—
—

1148
1172
1201
1233
1269
1308
1349
1392
—
—
—
—
—

1.8
Bhp

Watts

Rpm

2.0
Bhp

Watts

5,221
5,710
6,279
6,934
7,677
8,511
9,437
10,454
—
—
—
—
—

6.00
6.57
7.22
7.97
8.83
9.79
10.85
12.02
—
—
—
—
—

1195
1217
1242
1272
1304
1340
1379
—
—
—
—
—
—

5673
6153
6708
7347
8076
8896
9812
—
—
—
—
—
—

6.52
7.08
7.71
8.45
9.29
10.23
11.28
—
—
—
—
—
—

Refer to page 261 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 5.75
High Range: 8.63

LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 805-1007
High Range: 941-1176
All other rpms require field-supplied drive.

270

PERFORMANCE DATA (cont)
ALTITUDE COMPENSATION — 581A210-300
(Natural Gas)
ELEVATION
(ft)
0-2,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
above 10,000

a50-4028

ELEVATION
(ft)

POWER EXHAUST PERFORMANCE (581A210-300)

Low Speed 208 V

Med Speed 208 V

High Speed 208 V

Med Speed 230,460,575V

High Speed 230,460,575V

0-2,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
above 10,000

ESP Between Return Duct and OA ("wg)

0.9
0.8
0.7
0.6
0.5

ORIFICE SIZE — NATURAL GAS
Medium
High Heat
High Heat
Heat
(6 Cell)
(8 Cell)
30
29
29
30
29
29
31
30
30
31
30
30
31
30
30
31
30
30
32
31
31
32
31
31
32
31
31
33
32
32

ALTITUDE COMPENSATION — 581A210-300
(LP Gas)

Fan Performance Using Accessory
Power Exhaust (581A155,180)

Low Speed 230,460,575V

Low
Heat
29
29
30
30
30
30
31
31
31
32

c

0.4
0.3

Low
Heat
35
36
36
37
37
38
39
40
41
42

ORIFICE SIZE — LP GAS
Medium
High Heat
Heat
(6 Cell)
38
35
39
36
39
36
40
37
40
37
41
38
42
39
43
40
44
41
45
42

High Heat
(8 Cell)
35
36
36
37
37
38
39
40
41
42

0.2
0.1
0
3250

ALTITUDE DERATING FACTOR*
3350

3450

3550

3650

3750

3850

3950

4050

4250

4450

4650

4850

Exhaust AirFlow (CFM)

ELEVATION
(ft)
0-2,000
2,001-3,000
3,001-4,000
4,001-5,000
5,001-6,000

ALTITUDE COMPENSATION* — 581A155,180
(Natural Gas Units)
ELEVATION
(ft)
0-3,000
3,000- 7,000
7,000- 9,000
9,000-10,000
above 10,000

NATURAL GAS ORIFICE SIZE†
Low Heat
High Heat
30
29
31
30
32
31
33
31
35
32

*Derating of the unit is not required unless the heating value of the gas
exceeds the values listed in the table above, or if the elevation
exceeds 6000 ft. Derating conditions must be 4% per thousand ft
above 2000 ft. For example, at 4000 ft, if the heating value of the gas
exceeds 1000 Btu/ft3, the unit will require a 16% derating. For elevations above 6000 ft, the same formula applies. For example, at 7000 ft,
the unit will require a 28% derating of the maximum heating value per
the National Fuel Gas Code.
IMPORTANT: Local utility companies may be reducing heat content of
gas at altitudes above 2000 ft. If this is being done, changing spuds
may not be required.

*Includes a 4% input reduction per each 1,000 feet.
†Orifices available through your Bryant dealer.

ALTITUDE COMPENSATION — 581A155,180
(LP Gas Units)

0-2,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
10,000

LIQUID PROPANE ORIFICE SIZE
Low Heat and High Heat
36
37
38
38
39
40
41
41
42
43

EVAPORATOR-FAN MOTOR EFFICIENCY —
581A155,180
MOTOR
HORSEPOWER
3.0
2.9, 3.7
5.0

MOTOR EFFICIENCY
(%)
81.7
85.8
87.5

NOTE: All indoor-fan motors 5 hp and larger meet the minimum efficiency
requirements as established by the Energy Policy Act of 1992 (EPACT)
effective October 24, 1997.

271

581A155-300

ELEVATION
(ft)

MAXIMUM HEATING VALUE
(Btu/ft3)
1,100
1,050
1,000
950
900

PERFORMANCE DATA (cont)
ACCESSORY/FIOP STATIC PRESSURE (in. wg)* — 581A155,180
COMPONENT

4500
0.040

EconoMi$er IV

5000
0.050

LEGEND
FIOP — Factory-Installed Option

5400
0.060

6000
0.070

CFM
7200
0.090

7500
0.100

9000
0.110

10,000
0.120

11,250
0.140

*The static pressure must be added to external static pressure. The sum and
the evaporator entering-air cfm should then be used in conjunction with the
Fan Performance tables to determine blower rpm and watts.

INDOOR SOUND DATA (TOTAL UNIT) — 581A155,180
UNIT 581A

SOUND
RATING-dB
(60 Hz)

A-WEIGHTED
(dB)

155
180

87
88

87.3
88.0

63
87.1
95.7

125
89.9
88.9

250
86.4
87.2

SOUND POWER (dB)
Octave Bands
500
1000
84.0
82.7
85.2
91.9

2000
79.0
79.5

4000
73.9
72.7

8000
68.6
66.0

EVAPORATOR FAN MOTOR PERFORMANCE — 581A155,180
UNIT 581A

NOMINAL HP
2.9
2.9
2.9
3
3.7
3.7
3.7
5
5
5
5

155
(Standard Motor)
155
(Optional Motor)
180

VOLTAGE
208
230
460
575
208
230
460
208
230
460
575

MAX WATTS
2700
2700
2700
3065
3610
3610
3610
5180
5180
5180
5180

EFF. %
85.8
85.8
85.8
81.7
85.8
85.8
85.8
87.5
87.5
87.5
87.5

MAX BHP
3.13
3.13
3.13
3.38
4.38
4.38
4.38
6.13
6.13
6.13
6.13

MAX BkW
2.34
2.34
2.34
2.53
3.27
3.27
3.27
4.57
4.57
4.57
4.57

MAX AMPS
9.46
8.6
4.3
3.9
10.5
10.5
4.8
15.8
15.8
7.9
6.0

LEGEND
BHP — Brake Horsepower
BkW — Brake Kilowatts

FAN RPM AT MOTOR PULLEY SETTINGS* — 581A155,180
UNIT
581A

0

1/

155†
155**
180†
180**

1147
1315
††
††

1124
1292
††
††

2

1

11/2

2

1101
1269
††
††

1078
1246
††
††

1055
1223
1021
1200

MOTOR PULLEY TURNS OPEN
2 1 /2
3
3 1 /2
1032
1200
1002
1178

1010
1178
984
1156

*Approximate fan rpm shown.
†Indicates standard drive package.
**Indicates alternate drive package.
††Due to belt and pulley style, pulley cannot be set to this number of turns open.

272

987
1155
965
1134

4

4 1 /2

5

5 1 /2

6

964
1132
947
1112

941
1109
928
1091

918
1086
910
1069

895
1063
891
1047

††
1040
873
1025

PERFORMANCE DATA (cont)
OUTDOOR SOUND POWER (TOTAL UNIT)
UNIT
581A
155,180
210, 240
300
ARI

ARI
RATING
(decibels)
88
82
85

OCTAVE BANDS

A-WEIGHTED
(db)

63

125

250

500

1000

2000

4000

8000

87.6
81.7
84.9

90.8
90.2
90.0

88.7
84.8
86.3

86.4
80.7
83.6

84.3
79.0
82.9

83.5
77.6
80.3

78.4
71.4
74.9

75.6
66.7
71.4

66.8
60.7
66.5

LEGEND
— Air Conditioning and Refrigeration Institute

NOTE: Indoor sound power is available in Bryant’s Electronic Catalog Program (ECAT) for specific operating
parameters.

FAN RPM AT MOTOR PULLEY SETTINGS* — 581A210-300
581A

210
(208/230 and
460 volt)

210
(575 volt)

240
(208/230 and
460 volt)

240
(575 volt)

300
(all voltages)

DRIVE

MOTOR PULLEY TURNS OPEN
0

1/

2

1

11/2

2

21/2

3

31/2

4

41/2

5

51/2

6

Low Range Vertical

647

667

687

707

727

747

767

786

806

826

846

866

886

High Range Vertical

897

917

937

958

978

998

1018

1038

1058

1079

1099

1119

1139

Low Range Horizontal

896

924

951

979

1006

1034

1062

1089

1117

1144

1172

1199

1227

High Range Horizontal

1113

1138

1163

1188

1213

1238

1264

1289

1314

1339

1364

1389

1414

Low Range Vertical

810

832

854

876

897

919

941

963

985

1007

1028

1050

1072

High Range Vertical

873

893

912

932

951

971

991

1010

1030

1049

1069

1088

1108

Low Range Horizontal

863

886

909

933

956

979

1002

1025

1048

1072

1095

1118

1141

High Range Horizontal

1042

1062

1083

1103

1123

1143

1164

1184

1204

1224

1245

1265

1285

Low Range Vertical

949

970

992

1013

1035

1056

1078

1099

1120

1142

1163

1185

1206

High Range Vertical

941

961

980

1000

1019

1039

1059

1078

1098

1117

1137

1156

1176

Low Range Horizontal

896

924

951

979

1006

1034

1062

1089

1117

1144

1172

1199

1227

High Range Horizontal

1113

1138

1163

1188

1213

1238

1264

1289

1314

1339

1364

1389

1414

Low Range Vertical

949

970

992

1013

1035

1056

1078

1099

1120

1142

1163

1185

1206

High Range Vertical

941

961

980

1000

1019

1039

1059

1078

1098

1117

1137

1156

1176

Low Range Horizontal

873

893

912

932

951

971

991

1010

1030

1049

1069

1088

1108

High Range Horizontal

1113

1138

1163

1188

1213

1238

1264

1289

1314

1339

1364

1389

1414

Low Range Vertical

805

822

839

856

872

889

906

923

940

957

973

990

1007

High Range Vertical

941

961

980

1000

1019

1039

1059

1078

1098

1117

1137

1156

1176

Low Range Horizontal

805

822

839

856

872

889

906

923

940

957

973

990

1007

High Range Horizontal

941

961

980

1000

1019

1039

1059

1078

1098

1117

1137

1156

1176

*Approximate fan rpm shown.

581A155-300

273

PERFORMANCE DATA (cont)
EVAPORATOR FAN MOTOR SPECIFICATIONS — 581A210-300
UNIT
581A

DRIVE

ORIENTATION

Low

Vertical

High

Vertical

Low

Horizontal

High

Horizontal

Low

Vertical

High

Vertical

Low

Horizontal

High

Horizontal

Mid-Low

Vertical

Mid-High

Vertical

Mid-Low

Horizontal

Mid-High

Horizontal

210

240

300

MOTOR
P/N
HD60FK651
HD60FK651
HD60FK651
HD58DL575
HD60FL650
HD60FL650
HD60FL650
HD60FL575
HD60FK651
HD60FK651
HD60FK651
HD58DL575
HD60FL650
HD60FL650
HD60FL650
HD60FL575
HD60FL650
HD60FL650
HD60FL650
HD60FL575
HD62FL650
HD62FL650
HD62FL650
HD62FL575
HD60FK651
HD60FK651
HD60FK651
HD60FL575
HD60FL650
HD60FL650
HD60FL650
HD60FL575
HD60FL650
HD60FL650
HD60FL650
HD60FL575
HD62FL650
HD62FL650
HD62FL650
HD62FL575
HD60FL650
HD60FL650
HD60FL650
HD60FL575
HD62FL650
HD62FL650
HD62FL650
HD62FL575

NOMINAL
HP
3.7
3.7
3.7
3
5
5
5
5
3.7
3.7
3.7
3
5
5
5
5
5
5
5
5
7.5
7.5
7.5
7.5
3.7
3.7
3.7
5
5
5
5
5
5
5
5
5
7.5
7.5
7.5
7.5
5
5
5
5
7.5
7.5
7.5
7.5

VOLTAGE
208
230
460
575
208
230
460
575
208
230
460
575
208
230
460
575
208
230
460
575
208
230
460
575
208
230
460
575
208
230
460
575
208
230
460
575
208
230
460
575
208
230
460
575
208
230
460
575

MAX
WATTS
3698
3698
3698
3149
4900
4900
4900
4900
3698
3698
3698
3149
4900
4900
4900
4900
4900
4900
4900
4900
7267
7267
7267
7267
3698
3698
3698
4900
4900
4900
4900
4900
4900
4900
4900
4900
7267
7267
7267
7267
4900
4900
4900
4900
7267
7267
7267
7267

EFFICIENCY
%
85.8
85.8
85.8
81.7
87.5
87.5
87.5
87.5
85.8
85.8
85.8
81.7
87.5
87.5
87.5
87.5
87.5
87.5
87.5
87.5
88.5
88.5
88.5
88.5
85.8
85.8
85.8
87.5
87.5
87.5
87.5
87.5
87.5
87.5
87.5
87.5
88.5
88.5
88.5
88.5
87.5
87.5
87.5
87.5
88.5
88.5
88.5
88.5

MAX
BHP
4.25
4.25
4.25
3.45
5.75
5.75
5.75
5.75
4.25
4.25
4.25
3.45
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
8.63
8.63
8.63
8.63
4.25
4.25
4.25
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
5.75
8.63
8.63
8.63
8.63
5.75
5.75
5.75
5.75
8.63
8.63
8.63
8.63

MAX
BkW
3.17
3.17
3.17
2.57
4.29
4.29
4.29
4.29
3.17
3.17
3.17
2.57
4.29
4.29
4.29
4.29
4.29
4.29
4.29
4.29
6.43
6.43
6.43
6.43
3.17
3.17
3.17
4.29
4.29
4.29
4.29
4.29
4.29
4.29
4.29
4.29
6.43
6.43
6.43
6.43
4.29
4.29
4.29
4.29
6.43
6.43
6.43
6.43

MAX
AMPS
10.6
9.6
4.8
3.9
16.7
15.2
7.6
6.1
10.6
9.6
4.8
3.9
16.7
15.2
7.6
6.1
16.7
15.2
7.6
6.1
24.2
22
11
9
10.6
9.6
4.8
6.1
16.7
15.2
7.6
6.1
16.7
15.2
7.6
6.1
24.2
22
11
9
16.7
15.2
7.6
6.1
24.2
22
11
9

LEGEND
BHP — Brake Horsepower
BkW — Brake Kilowatts

ACCESSORY/FIOP STATIC PRESSURE (in. wg) — 581A210-300
COMPONENT
Economizer

CFM
4,000 4,500 5,000 5,500 6,000 6,500 7,000 7,500 8,000 8,500 9,000 9,500 10,000 10,500 11,000 11,500 12,000
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0.11
0.12
0.13
0.15
0.16
0.17
0.19
0.20

LEGEND
FIOP — Factory-Installed Option

*The static pressure must be added to the external static pressure. The sum
and the evaporator entering-air cfm should then be used in conjunction with
the Fan Performance tables to determine blower rpm and watts.

274

ELECTRICAL DATA — 581A (cont)
ELECTRICAL DATA — 581A155,180
UNIT
581A

NOMINAL
VOLTAGE
(3 Ph, 60 Hz)

Min

Max

COMPRESSOR
No. 1
No. 2
RLA LRA RLA LRA

208/230

187

253

20.7

156

20.7

460

414

506

10.0

75

575

518

633

8.2

208/230

187

253

460

414

208/230

155
(Standard
IFM)

155
(Optional
IFM)

180

VOLTAGE
RANGE

OFM
Qty

Hp

FLA (ea)

Hp

FLA

156

3

0.5

1.70

2.9

8.8/ 8.4

10.0

75

3

0.5

0.80

2.9

4.2

54

8.2

54

3

0.5

0.75

3.0

3.9

20.7

156

20.7

156

3

0.5

1.70

3.7

10.5/11.0

506

10.0

75

10.0

75

3

0.5

0.80

3.7

4.8

187

253

32.1

195

20.7

156

3

0.5

1.70

5.0

15.8/15.8

460

414

506

16.4

95

10.0

75

3

0.5

0.80

5.0

7.9

575

518

633

12.0

80

8.2

54

3

0.5

0.75

5.0

6.0

—
—
—
—
—
—
—
—
—

FLA
—
4.6
—
2.3
—
2.1
—
4.6
—
2.3
—
4.6
—
2.3
—
2.1

Full Load Amps
Heating, Air Conditioning and Refrigeration
Indoor (Evaporator) Fan Motor
Locked Rotor Amps
Minimum Circuit Amps
Maximum Overcurrent Protection
National Electrical Code
Outdoor (Condenser) Fan Motor
Rated Load Amps

LRA
—
18.8
—
6.0
—
4.8
—
18.8
—
6.0
—
18.8
—
6.0
—
4.8

FLA
0.57
0.57
0.30
0.30
0.57
0.57
0.57
0.57
0.30
0.30
0.57
0.57
0.30
0.30
0.57
0.57

POWER
SUPPLY
MCA
60/60
65/65
29
31
25
27
62/63
67/67
30
32
82/82
86/86
41
43
31
34

MOCP*
80/80
80/80
35
40
30
30
80/80
80/80
35
40
110/110
110/110
50
50
40
45

AB = 452 v
BC = 464 v
AC = 455 v

Average Voltage =

=

452 + 464 + 455
3
1371
3

= 457
Determine maximum deviation from average voltage.
(AB) 457 – 452 = 5 v
(BC) 464 – 457 = 7 v
(AC) 457 – 455 = 2 v
Maximum deviation is 7 v.
Determine percent of voltage imbalance.

*Fuse or HACR circuit breaker.

% Voltage Imbalance = 100 x

7
457

= 1.53%
This amount of phase imbalance is satisfactory as it is below the maximum
allowable 2%.
IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact your local electric utility company immediately.

NOTES:
1. In compliance with NEC requirements for multimotor and combination load
equipment (refer to NEC Articles 430 and 440), the overcurrent protective
device for the unit shall be fuse or HACR breaker. Canadian units may be
fuse or circuit breaker.
2. Unbalanced 3-Phase Supply Voltage
Never operate a motor where a phase imbalance in supply voltage is
greater than 2%. Use the following formula to determine the percent of voltage imbalance.
% Voltage Imbalance

= 100 x

COMBUSTION
FAN MOTOR

Example: Supply voltage is 460-3-60.

LEGEND

FLA
HACR
IFM
LRA
MCA
MOCP
NEC
OFM
RLA

POWER
EXHAUST

IFM

max voltage deviation from average voltage
average voltage

581A155-300

275

ELECTRICAL DATA — 581A (cont)
ELECTRICAL DATA — 581A210-300 WITHOUT CONVENIENCE OUTLET
NOMINAL
UNIT VOLTAGE
581A
(3 Ph,
60 Hz)

208/230

210

460

575

208/230

VOLTAGE
RANGE
Min

187

414

518

187

Max

253

506

633

253

COMPRESSOR
No. 2

No. 1
RLA

16.7

9

7

22.4

LRA

130

70

55

184

RLA

16.7

9

7

22.4

LRA

130

70

55

184

OFM

No. 3
RLA

22.4

10.7

9.3

22.4

LRA

184

90

73

184

Qty

4

4

4

4

Hp

IFM
FLA
(ea)

0.25

0.25

0.25

0.25

Hp
3.7

10.6/ 9.6

1.5

5

16.7/15.2

7.5

24.2/22

3.7

4.8

5

7.6

0.7

7.5

11

3

3.9

5

6.1

7.5

9

3.7

10.6/ 9.6

5

16.7/15.2

7.5

24.2/22

10

30.8/28

3.7

4.8

5

7.6

7.5

11

10

14

0.7

1.5

240
460

575

208/230

300

460

575

FLA
—
HACR —
IFM
LRA
MCA

—
—
—

414

518

187

414

518

506

633

253

506

633

10.7

9.3

47.1

19.6

15.8

90

73

245

125

100

10.7

9.3

47.1

19.6

15.8

LEGEND
Full Load Amps
MCA —
Heating, Air Conditioning and
MOCP—
Refrigeration
NEC —
Indoor (Evaporator) Fan Motor
OFM —
Locked Rotor Amps
RLA —
Minimum Circuit Amps

90

73

245

125

100

10.7

9.3

—

—

—

90

73

—

—

—

4

4

6

6

6

0.25

0.25

0.25

0.25

0.25

FLA

0.7

0.7

1.5

0.7

0.7

5

6.1

7.5

9

10

11

5

16.7/15.2

7.5

24.2/22

10

30.8/28

5

7.6

7.5

11

10

14

5

6.1

7.5

9

10

11

POWER
EXHAUST
Qty Hp FLA
(ea)
—
—
—
2
1
5.9
—
—
—
2
1
5.9
—
—
—
2
1
5.9
—
—
—
2
1
3.1
—
—
—
2
1
3.1
—
—
—
2
1
3.1
—
—
—
2
1
2.4
—
—
—
2
1
2.4
—
—
—
2
1
2.4
—
—
—
2
1
5.9
—
—
—
2
1
5.9
—
—
—
2
1
5.9
—
—
—
2
1
5.9
—
—
—
2
1
3.1
—
—
—
2
1
3.1
—
—
—
2
1
3.1
—
—
—
2
1
3.1
—
—
—
2
1
2.4
—
—
—
2
1
2.4
—
—
—
2
1
2.4
—
—
—
2
1
5.9
—
—
—
2
1
5.9
—
—
—
2
1
5.9
—
—
—
2
1
3.1
—
—
—
2
1
3.1
—
—
—
2
1
3.1
—
—
—
2
1
2.4
—
—
—
2
1
2.4
—
—
—
2
1
2.4

COMBUSTION
FAN MOTOR
FLA

0.5

0.3

0.24

0.5

0.3

0.24

0.5

0.3

0.24

POWER SUPPLY

DISCONNECT
SIZE

MCA

MOCP*

FLA

78/ 77
90/ 89
84/ 83
96/ 94
92/ 89
104/101
39
45
42
48
45
51
32
37
35
39
37
42
89/ 88
101/100
96/ 94
107/106
103/101
115/113
112/108
124/120
42
49
45
51
49
55
52
59
39
44
42
47
44
49
132/130
143/142
139/137
151/149
146/143
158/155
56
62
59
66
62
69
46
51
49
54
51
56

100/ 90
100/100
100/100
100/100
100/100
125/110
45
50
50
50
50
60
40
45
40
45
45
50
100/100
110/110
100/100
125/125
125/110
125/125
125/125
150/125
50
50
50
60
50
60
60
60
45
50
50
50
50
60
175/175
175/175
175/175
175/175
175/175
200/200
60
80
60
80
80
80
60
60
60
60
60
60

83/ 82
97/ 96
90/ 89
104/102
99/ 96
112/110
42
49
45
52
49
56
35
40
37
43
40
46
96/ 95
110/109
103/102
117/115
112/109
126/123
120/116
133/130
46
53
49
56
53
60
56
63
42
48
46
51
48
53
138/136
151/150
147/144
160/158
154/151
168/164
59
66
63
70
66
73
48
54
52
57
54
59

Example: Supply voltage is 460-3-60.
Minimum Circuit Amps
Maximum Overcurrent Protection
National Electrical Code
Outdoor (Condenser) Fan Motor
Rated Load Amps

AB = 452 v
BC = 464 v
AC = 455 v
Average Voltage =

*Fuse or HACR circuit breaker.

452 + 464 + 455
3

1371
3
=
457
Determine maximum deviation from average voltage.
(AB) 457 – 452 = 5 v
(BC) 464 – 457 = 7 v
(AC) 457 – 455 = 2 v
Maximum deviation is 7 v.
Determine percent of voltage imbalance.
=

NOTES:
1. In compliance with NEC requirements for multimotor and combination load equipment
(refer to NEC Articles 430 and 440), the overcurrent protective device for the unit shall be
fuse or HACR breaker. Canadian units may be fuse or circuit breaker.
2. Unbalanced 3-Phase Supply Voltage
Never operate a motor where a phase imbalance in supply voltage is greater than 2%.
Use the following formula to determine the percent of voltage imbalance.
% Voltage Imbalance
max voltage deviation from average voltage
= 100 x
average voltage

% Voltage Imbalance = 100 x

7
457

= 1.53%
This amount of phase imbalance is satisfactory as it is below the maximum allowable
2%.
IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact your local
electric utility company immediately.

276

ELECTRICAL DATA — 581A (cont)
ELECTRICAL DATA — 581A210-300 WITH OPTIONAL CONVENIENCE OUTLET
NOMINAL
UNIT VOLTAGE
581A
(3 Ph,
60 Hz)

208/230

210

460

575

208/230

VOLTAGE
RANGE
Min

187

414

518

187

Max

253

506

633

253

COMPRESSOR
No. 2

No. 1
RLA

16.7

9

7

22.4

LRA

130

70

55

184

RLA

16.7

9

7

22.4

LRA

130

70

55

184

OFM

No. 3
RLA

22.4

10.7

9.3

22.4

LRA

184

90

73

184

Qty

4

4

4

4

Hp

IFM
FLA
(ea)

0.25

0.25

0.25

0.25

Hp
3.7

10.6/ 9.6

1.5

5

16.7/15.2

7.5

24.2/22

3.7

4.8

5

7.6

0.7

7.5

11

3

3.9

5

6.1

7.5

9

3.7

10.6/ 9.6

5

16.7/15.2

7.5

24.2/22

10

30.8/28

3.7

4.8

5

7.6

7.5

11

10

14

0.7

1.5

240
460

575

208/230

300

460

575

FLA
—
HACR —
IFM
LRA
MCA

—
—
—

414

518

187

414

518

506

633

253

506

633

10.7

9.3

47.1

19.6

15.8

90

73

245

125

100

10.7

9.3

47.1

19.6

15.8

LEGEND
Full Load Amps
MCA —
Heating, Air Conditioning and
MOCP—
Refrigeration
NEC —
Indoor (Evaporator) Fan Motor
OFM —
Locked Rotor Amps
RLA —
Minimum Circuit Amps

90

73

245

125

100

10.7

9.3

—

—

-

90

73

—

—

-

4

4

6

6

6

0.25

0.25

0.25

0.25

0.25

FLA

0.7

0.7

1.5

0.7

0.7

5

6.1

7.5

9

10

11

5

16.7/15.2

7.5

24.2/22

10

30.8/28

5

7.6

7.5

11

10

14

5

6.1

7.5

9

10

11

POWER
EXHAUST
Qty Hp FLA
(ea)
—
—
—
2
1
5.9
—
—
—
2
1
5.9
—
—
—
2
1
5.9
—
—
—
2
1
3.1
—
—
—
2
1
3.1
—
—
—
2
1
3.1
—
—
—
2
1
2.4
—
—
—
2
1
2.4
—
—
—
2
1
2.4
—
—
—
2
1
5.9
—
—
—
2
1
5.9
—
—
—
2
1
5.9
—
—
—
2
1
5.9
—
—
—
2
1
3.1
—
—
—
2
1
3.1
—
—
—
2
1
3.1
—
—
—
2
1
3.1
—
—
—
2
1
2.4
—
—
—
2
1
2.4
—
—
—
2
1
2.4
—
—
—
2
1
5.9
—
—
—
2
1
5.9
—
—
—
2
1
5.9
—
—
—
2
1
3.1
—
—
—
2
1
3.1
—
—
—
2
1
3.1
—
—
—
2
1
2.4
—
—
—
2
1
2.4
—
—
—
2
1
2.4

COMBUSTION
FAN MOTOR
FLA

0.5

0.3

0.24

0.5

0.3

0.24

0.5

0.3

0.24

POWER SUPPLY

DISCONNECT
SIZE

MCA

MOCP*

FLA

83/ 82
95/ 94
89/ 88
101/ 99
97/ 94
109/106
42
48
45
51
48
54
35
40
38
42
40
45
94/ 93
106/105
101/ 99
112/111
108/106
120/118
117/113
129/125
45
52
48
54
52
58
55
62
42
47
45
50
47
52
137/135
148/147
144/142
156/154
151/148
163/160
59
65
62
69
65
72
49
54
52
57
54
59

100/100
100/100
100/100
110/100
100/100
125/125
50
50
50
60
50
60
40
45
45
50
45
50
100/100
125/125
110/100
125/125
125/125
125/125
125/125
150/150
50
60
50
60
60
60
60
70
50
50
50
50
50
60
175/175
175/175
175/175
200/200
175/175
200/200
60
80
80
80
80
90
60
60
60
60
60
60

89/ 88
103/101
96/ 94
110/108
105/102
118/116
45
52
48
56
52
59
38
43
40
46
44
49
102/101
116/115
109/107
123/121
118/115
131/129
125/122
139/136
49
56
52
59
56
63
60
67
46
51
49
55
51
57
144/142
157/155
152/150
166/163
160/157
173/170
62
69
66
73
69
77
52
57
55
60
57
63

Example: Supply voltage is 460-3-60.
Minimum Circuit Amps
Maximum Overcurrent Protection
National Electrical Code
Outdoor (Condenser) Fan Motor
Rated Load Amps

AB = 452 v
BC = 464 v
AC = 455 v
Average Voltage =

*Fuse or HACR circuit breaker.

452 + 464 + 455
3

1371
3
=
457
Determine maximum deviation from average voltage.
(AB) 457 – 452 = 5 v
(BC) 464 – 457 = 7 v
(AC) 457 – 455 = 2 v
Maximum deviation is 7 v.
Determine percent of voltage imbalance.
=

% Voltage Imbalance = 100 x

7
457

= 1.53%
This amount of phase imbalance is satisfactory as it is below the maximum allowable
2%.
IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact your local
electric utility company immediately.

277

581A155-300

NOTES:
1. In compliance with NEC requirements for multimotor and combination load equipment
(refer to NEC Articles 430 and 440), the overcurrent protective device for the unit shall be
fuse or HACR breaker. Canadian units may be fuse or circuit breaker.
2. Unbalanced 3-Phase Supply Voltage
Never operate a motor where a phase imbalance in supply voltage is greater than 2%.
Use the following formula to determine the percent of voltage imbalance.
% Voltage Imbalance
max voltage deviation from average voltage
= 100 x
average voltage

TYPICAL WIRING SCHEMATICS — 581A
LEGEND
AHA
C
CAP
CB
CC
CH
CLO
COMP
CR
DM
DU
EQUIP
FPT
FU
GND
HPS
HS
HV
I
IDM
IFC
IFM
IGC
L
LOR
LPS
LS
MGV
OFC
OFM
PL
PRI
QT
RS
SW
TB
TC
TH
TRAN

—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—

Adjustable Heat Anticipator
Contactor, Compressor
Capacitor
Circuit Breaker
Cooling Compensator
Crankcase Heater
Compressor Lockout
Compressor Motor
Control Relay
Damper Motor
Dummy Terminal
Equipment
Freeze Protection Thermostat
Fuse
Ground
High-Pressure Switch
Hall Effect Sensor
High Voltage
Ignitor
Induced Draft Motor
Indoor Fan Contactor
Indoor (Evaporator) Fan Motor
Integrated Gas Unit Controller
Light
Lockout Relay
Low-Pressure Switch
Limit Switch
Main Gas Valve
Outdoor Fan Contactor
Outdoor Fan Motor
Plug Assembly
Primary
Quadruple Terminal
Rollout Switch
Switch
Terminal Block
Thermostat-Cooling
Thermostat-Heating
Transformer
Terminal (Marked)
Terminal (Unmarked)
Terminal Block
Splice
Factory Wiring
Field Wiring
Option/Accessory Wiring
To indicate common potential
only. Not to represent wiring.

a48-7474

581A155, 460-3-60 Shown

278

TYPICAL WIRING SCHEMATICS — 581A

a48-7877
AL
ECB
IA
IAQ

— Ambient Limit
— Economizer Control Board
— Indoor Air
— Indoor Air Quality

LEGEND
OA —
OAS—
RAS—
SAT —

Outdoor Air
Outdoor Air Sensor
Return Air Sensor
Supply Air Temperature

EconoMi$er IV Wiring — 581A155,180

4
3
7
RED
500 OHM
RESISTOR

2
8

PINK

6

NOTE 1
BLUE

RUN

5

OAT
BLACK

NOTE 2

1
10
11
9

WHITE

DIRECT DRIVE
ACTUATOR

a50-8058

12

ECONOMISER2 PLUG

LEGEND
OAT — Outdoor Air Temperature Sensor
NOTES:
1. Switch on actuator must be in run position for economizer to operate.
2. 50HJ540573 actuator consists of the 50HJ540567 actuator and a harness with 500-ohm resistor.

EconoMi$er2 Wiring — 581A155,180

279

581A155-300

50HJ540573
ACTUATOR
ASSEMBLY

TYPICAL PIPING AND WIRING — 581A (581A155 Shown)

LEGEND
NEC — National Electrical Code

b48-1258

280

GUIDE SPECIFICATIONS — 579F/580F180-300 AND 581A155,180 SIZE UNITS
PACKAGED ROOFTOP ELECTRIC COOLING UNIT WITH
GAS HEAT — CONSTANT VOLUME APPLICATION
HVAC GUIDE SPECIFICATIONS
SIZE RANGE: 13 AND 15 TONS (581A), 15 TO 25 TONS
(579F, 580F), NOMINAL (COOLING)
230,000 TO 360,000 BTUH, NOMINAL (INPUT
HEATING) (GAS UNITS)
BRYANT MODEL NUMBERS: 580F, 579F, 581A
PART 1 — GENERAL
1.01 SYSTEM DESCRIPTION
Unit is an outdoor rooftop mounted, electrically controlled
heating and cooling unit utilizing scroll hermetic compressors for cooling duty and gas combustion for heating duty.
Supply air shall be discharged downward or horizontally
(with horizontal supply/return curb adapter assembly), as
shown on contract drawings. Standard unit shall include a
manual outdoor-air inlet.
1.02 QUALITY ASSURANCE
A. Unit shall be rated in accordance with ARI Standards 270
and 360 and all units shall be designed in accordance
with UL Standard 1995.
NOTE: Size 300 units are beyond the scope of ARI certification guidelines.
B. Unit shall be designed to conform to ASHRAE 15.
C. Unit shall be ETL and ETL, Canada tested and certified in
accordance with ANSI Z21.47 Standards as a total
package.
D. Roof curb shall be designed to conform to NRCA
Standards.
E. Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke generation.
F. Unit casing shall be capable of withstanding 500-hour salt
spray exposure per ASTM B117 (scribed specimen).
G. Unit shall be manufactured in a facility registered to
ISO 9001:2000.
1.03 DELIVERY, STORAGE, AND HANDLING
Unit shall be stored and handled per manufacturer’s
recommendations.
PART 2 — PRODUCTS
2.01 EQUIPMENT (STANDARD)
A. General:
Each unit shall be a factory assembled, single-piece heating and cooling unit. Contained within the unit enclosure
shall be all factory wiring, piping, controls, refrigerant
charge (R-22), and special features required prior to field
start-up.
B. Unit Cabinet:
1. Constructed of galvanized steel (G90 — 1.8 oz. of
zinc per square foot of sheet metal), bonderized and
primer-coated on both sides and coated with a baked
polyester thermosetting powdercoating finish on the
outer surface. The color of this pre-painted steel is
referred to as “American Sterling,” a gray color.
Bryant’s paint specification for this color is PH184.
Color: American Sterling, this gray color is to match
federal standard 595a, #26231.
Gloss (per ASTM 0523, 60 deg. F): 60.
Hardness of paint film: H-2H pencil hardness.
2. Indoor blower compartment interior surfaces shall be
insulated with a minimum 1/2-in. thick, 1 lb density
fiberglass insulation. Fiberglass insulation shall be
bonded with a thermosetting resin (8 to 12% by
weight nominal, phenol formaldehyde typical), and
coated with an acrylic or other material that meets

C.

D.

E.

F.

281

the NFPA 90 flame retardance requirements and has
an ‘‘R’’ Value of 3.70. Aluminum foil-faced fiberglass insulation shall be used in the gas heat
compartment.
3. Cabinet panels shall be easily removable for servicing. Cabinet panels are minimum 20 gage. Panels
shall have 1/2-in. thick, 1.5-lb. density insulation.
4. Filters shall be accessible through an access panel.
5. Holes shall be provided in the base rails (minimum
12 gage) for rigging shackles to facilitate overhead
rigging.
6. Unit shall contain a sloped drain pan, to prevent
standing water from accumulating. Pan shall be fabricated of hot dipped zinc coated minimum spangle
steel. Zinc coating shall be G90 designation according to ASTM Standard A653. Unit shall contain a
factory-installed nonferrous main condensate drain
connection.
Fans:
1. Indoor blower (evaporator fan):
a. Fan shall be belt driven. Belt drive shall include
an adjustable pulley. The standard fan drive shall
have a factory-installed low-medium external
static pressure capable fan drive. The alternate
fan drive option shall have a factory-installed
external high static pressure capable fan drive.
b. Fan wheel shall be made from steel with a
corrosion-resistant finish. It shall be a dynamically
balanced, double-inlet type with forward-curved
blades.
2. Condenser fans shall be of the direct-driven propeller
type, with corrosion-resistant blades riveted to
corrosion-resistant steel supports. They shall be
dynamically balanced and discharge air upwards.
3. Induced-draft blower shall be of the direct-driven,
single inlet, forward-curved, centrifugal type. It shall
be made from steel with a corrosion-resistant finish
and shall be dynamically balanced.
Compressor(s):
1. Fully hermetic, scroll type, internally protected.
2. Factory spring-shock mounted and internally spring
mounted for vibration isolation.
3. On electrically and mechanically independent refrigerant circuits.
4. All compressors shall have 70 W crankcase heaters.
Coils:
1. Standard evaporator and condenser coils shall have
aluminum plate fins mechanically bonded to seamless internally grooved copper tubes with all joints
brazed.
2. Coils shall be leak tested at 150 psig and pressure
tested at 450 psig.
Heating Section:
1. Induced-draft combustion type with energy saving
direct-spark ignition system and redundant main gas
valve.
2. a. The heat exchanger shall be of the tubularsection type constructed of a minimum of 20-gage
steel coated with a nominal 1.2 mil aluminumsilicone alloy for corrosion resistance.
b. The optional stainless steel heat exchangers shall
be tubular-section design and shall be constructed
of a minimum 20 gage, 409 stainless steel.

GUIDE SPECIFICATIONS — 579F/580F180-300 AND 581A155,180 SIZE UNITS (cont)

G.

H.

I.

J.

K.

L.

M.

3. Burners shall be of the in-shot type constructed of
aluminum-coated steel.
4. All gas piping shall enter the unit at a single location.
5. Gas piping shall be capable of being routed through
the roof curb directly into unit.
Refrigerant Components:
Refrigerant circuit components shall include:
1. Thermostatic expansion valve (TXV).
2. Filter driers.
3. Gage port and connections on suction, discharge,
and liquid lines.
Filter Section:
Standard filter section shall consist of 2 sizes of factoryinstalled 2-in. thick throwaway fiberglass filters of commercially available sizes. Filters shall be approximately
10% efficient with an airside pressure drop of approximately 0.07 in. wg (clean).
Controls and Safeties:
1. Unit Controls:
a. Economizer control (optional).
b. Capacity control (2-step).
c. Unit shall be complete with self-contained lowvoltage control circuit.
Safeties:
a. Unit shall incorporate a solid-state compressor
lockout which provides reset capability at the
space thermostat, should any of the following
safety devices trip and shut off compressor:
1) Compressor lockout protection provided for
either internal or external overload.
2) Low-pressure switch.
3) Dual freezestats (evaporator coil).
4) High-pressure switch.
b. Supply-air thermostat shall be located in the unit.
c. Heating section shall be provided with the following minimum protections:
1) High-temperature limit switch.
2) Induced-draft motor speed sensor.
3) Flame rollout switch.
4) Flame proving controls.
5) Redundant gas valve.
Operating Characteristics:
1. Unit shall be capable of starting and running at 120 F
ambient outdoor temperature per maximum load criteria of ARI Standard 360.
2. Unit with standard controls will operate in cooling
down to an outdoor ambient temperature of 40 F.
3. Unit shall be provided with fan time delay to prevent
cold air delivery.
Electrical Requirements:
All unit power wiring shall enter unit cabinet at a single
location.
Motors:
1. Compressor motors shall be cooled by refrigerant
gas passing through motor windings and shall have
line break thermal and current overload protection.
2. All fan motors shall have permanently lubricated,
sealed bearings and inherent automatic-reset thermal overload protection or manual reset calibrated
circuit breakers.

3. All indoor-fan motors 5 hp and larger shall meet the
minimum efficiency requirements as established by
the Energy Policy Act of 1992 (EPACT) effective
October 24, 1997.
N. Special Features:
Certain features are not applicable when the features
designated * are specified. For assistance in amending
the specifications, contact your local Bryant Sales Office.
1. Coils:
a. Optional pre-coated aluminum-fin coils shall have
a durable epoxy-phenolic coating to provide protection in mildly corrosive coastal environments.
Coating shall be applied to the aluminum fin stock
prior to the fin stamping process to create an inert
barrier between the aluminum fin and copper
tube. Epoxy-phenolic barrier shall minimize galvanic action between dissimilar metals.
b. Optional copper-fin coils shall be constructed of
copper fins mechanically bonded to copper tubes
and copper tube sheets. Galvanized steel tube
sheets shall not be acceptable. A polymer strip
shall prevent coil assembly from contacting the
sheet metal coil pan to minimize potential for galvanic corrosion between coil and pan. All copper
construction shall provide protection in moderate
coastal environments.
c. E-Coated aluminum-fin coils shall have a flexible
epoxy polymer coating uniformly applied to all coil
surface areas without material bridging between
fins. Coating process shall ensure complete coil
encapsulation. Color shall be high gloss black
with gloss — 60 deg of 65 to 90% per ASTM
D523-89. Uniform dry film thickness from 0.8 to
1.2 mil on all surface areas including fin edges.
Superior hardness characteristics of 2H per
ASTM D3363-92A and cross-hatch adhesion of
4B-5B per ASTM D3359-93. Impact resistance
shall be up to 160 in./lb (ASTM D2794-93).
Humidity and water immersion resistance shall be
up to minimum 1000 and 250 hours respectively
(ASTM D2247-92 and ASTM D870-92). Corrosion durability shall be confirmed through testing
to be no less than 1000 hours salt spray per
ASTM B117-90. Coil construction shall be aluminum fins mechanically bonded to copper tubes.
d. E-Coated copper-fin coils shall have a flexible
epoxy polymer coating uniformly applied to all coil
surface areas without material bridging between
fins. Coating process shall ensure complete coil
encapsulation. Color shall be high gloss black
with gloss — 60 deg of 65 to 90% per ASTM
D523-89. Uniform dry film thickness from 0.8 to
1.2 mil on all surface areas including fin edges.
Superior hardness characteristics of 2H per
ASTM D3363-92A and cross-hatch adhesion of
4B-5B per ASTM D3359-93. Impact resistance
shall be up to 160 in./lb (ASTM D2794-93).
Humidity and water immersion resistance shall be
up to minimum 1000 and 250 hours respectively
(ASTM D2247-92 and ASTM D870-92). Corrosion durability shall be confirmed through testing
to be no less than 1000 hours salt spray per
ASTM B117-90. Coil construction shall be copper
fins mechanically bonded to copper tubes with
copper tube sheets. Galvanized steel tube sheets
shall not be acceptable. A polymer strip shall prevent coil assembly from contacting sheet metal
coil pan to maintain coating integrity and minimize
corrosion potential between coil and pan.

282

GUIDE SPECIFICATIONS — 579F/580F180-300 AND 581A155,180 SIZE UNITS (cont)

*

2. Roof Curbs (Horizontal and Vertical):
a. Formed of 16-gage galvanized steel with wood
nailer strip and shall be capable of supporting
entire unit weight.
b. Permits installing and securing ductwork to curb
prior to mounting unit on the curb.
3. Horizontal Adapter Roof Curb:
Includes factory-assembled adapter and internal
duct and substantially improves evaporator fan static
performance (static regain).
NOTE: Power exhaust or barometric relief must be
mounted in the return ductwork when used in conjunction with this accessory.
4. Integrated Economizers:
a. Integrated integral modulating type capable of
simultaneous economizer and compressor
operation.
b. Available as a factory-installed option in vertical
supply/return configuration only. (Available as a
field-installed accessory for horizontal and/or vertical supply return configurations.)
c. Includes all hardware and controls to provide
cooling with outdoor air.
d. Equipped with low-leakage dampers, not to
exceed 2% leakage at 1 in. wg pressure
differential.
e. Capable of introducing up to 100% outdoor air.
f. EconoMi$er IV and EconoMi$er2 shall be
equipped with a barometric relief damper.
g. Designed to close damper(s) during loss-ofpower situations with spring return built into
motor.
h. Dry bulb outdoor-air temperature sensor shall be
provided as standard. Outdoor air sensor set
point is adjustable and shall range from 40 to
100 F. For the EconoMi$er IV, the return air
sensor, indoor enthalpy sensor, and outdoor
enthalpy sensor shall be provided as fieldinstalled accessories to provide enthalpy control,
differential enthalpy control, and differential dry
bulb temperature control. For the EconoMi$er2,
the enthalpy, differential temperature (adjustable),
and differential enthalpy control shall be provided
as field-installed accessories.
i. EconoMi$er IV controller shall use a mixed air
thermistor mounted on the evaporator fan housing to control EconoMi$er IV operation to a supply air temperature of 55 F.
j. The EconoMi$er IV and EconoMi$er2 shall have
a gear-driven parallel blade design.
k. EconoMi$er IV controller shall provide control of
internal building pressure through its accessory
power exhaust function. Factory set at 100%, with
a range of 0% to 100%.
l. EconoMi$er2 shall be capable of control from a
4 to 20 mA signal through optional 4 to 20 mA
design without microprocessor control (required
for third party control interface).
m. EconoMi$er IV controller Occupied Minimum
Damper Position Setting maintains the minimum
airflow into the building during occupied period
providing design ventilation rate for full occupancy (damper position during heating). A remote
potentiometer may be used to override the set
point.

5.

6.

283

*

7.

*

8.

*

9.

*

10.

n. EconoMi$er IV controller Unoccupied Minimum
Damper Position Setting — The EconoMi$er IV
dampers shall be completely closed when the unit
is in the occupied mode.
o. EconoMi$er IV controller IAQ/DCV Maximum
Damper Position Setting — Setting the maximum
position of the damper prevents the introduction
of large amounts of hot or cold air into the space.
This position is intended to satisfy the base minimum ventilation rate.
p. EconoMi$er IV controller IAQ/DCV control modulates the outdoor-air damper to provide ventilation
based on the optional 2 to 10 vdc CO2 sensor
input.
q. Compressor lockout sensor (opens at 35 F,
closes at 50 F).
r. Actuator shall be direct coupled to economizer
gear, eliminating linkage arms and rods.
s. Control LEDs:
1) When the outdoor air damper is capable of
providing free cooling, the “Free Cool” LED
shall illuminate.
2) The IAQ LED indicates when the module is on
the DCV mode.
3) The EXH LED indicates when the exhaust fan
contact is closed.
t. Remote Minimum Position Control — A fieldinstalled accessory remote potentiometer allows
the outdoor air damper to be opened or closed
beyond the minimum position in the occupied
mode for modified ventilation.
Two-Position Damper:
Two-position damper package shall include single
blade damper and 24-v motor. Admits up to 25%
outdoor air, and shall close upon unit shutoff.
Damper shall cover 3.8-in. high by 17.75-in. wide
(117.8 sq. in.) opening in return air upper panel.
Accessory Compressor Cycle Delay:
Compressor shall be prevented from restarting for a
minimum of 5 minutes after shutdown.
Thermostats and Subbases:
To provide staged heating and cooling in addition to
automatic (or manual) changeover and fan control.
Barometric Relief Damper Package:
a. Package shall include damper, seals, hardware,
and hoods to relieve excess internal pressure.
b. Damper shall close due to gravity upon unit
shutdown.
c. Damper package must be field-installed in returnair ductwork when used with optional side return
connections.
Power Exhaust:
Package shall include an exhaust (propeller style)
fan, 1/2 Hp 208-230, 460 v (factory-wired for 460 v)
direct drive motor, and damper for vertical flow units
with economizer to control over-pressurization of
building. Power Exhaust package must be fieldinstalled in return-air ductwork when used with
optional side return connections.
Head Pressure Control Package:
Consists of an accessory outdoor-air package and a
solid-state control with condenser coil temperature
sensor for controlling condenser-fan motor speed to
maintain condensing temperature between 90 F
and 100 F at outdoor ambient temperature down
to –20 F.

GUIDE SPECIFICATIONS — 579F/580F180-300 AND 581A155,180 SIZE UNITS (cont)

*

*

11. Low-Ambient Kits:
When used, allows units to operate at lower outdoor
ambient temperatures. Sizes 155, 180, 210/216, and
300 will operate down to 10 F. Size 240 will operate
down to 25 F.
12. Enthalpy Sensor:
a. For use with Economi$er IV only.
b. Capable of comparing heat content (temperature
and humidity) of outdoor air and indoor air and
controlling economizer cut-in point at the most
economical level.
NOTE: Two accessory enthalpy sensors are
required for differential enthalpy control.
13. Electronic Programmable Thermostat:
Capable of using deluxe full-featured electronic
thermostat.
14. Winter Start Time-Delay Relay:
Used in conjunction with the accessory low-ambient
kit or head pressure control device, permits operation in cooling at lower outdoor ambient temperatures. See price pages for more information.
15. Liquid Propane Conversion Kit:
Kit shall contain all the necessary hardware and
instructions to convert a standard natural gas unit for
use with liquefied propane gas.
16. Hinged Access Panels for the Filter, Compressors,
Evaporator Fan, and Control Box Areas:
Filter hinged access panels permit tool-less entry for
changing filters. Evaporator fan hinged access panel
shall be field-convertible to a tool-less entry by
removing and discarding screws. Each external
hinged access panel shall be permanently attached
to the rooftop unit.
17. Convenience Outlet:
Shall be factory-installed and internally mounted with
an externally accessible 115-v, 15 amp. GFI, female
receptacle with hinged cover. Voltage required to
operate convenience outlet shall be provided by a
field-installed separate branch circuit.
18. Non-Fused Disconnect Switch:
Shall be factory-installed, internally mounted, NEC
and UL approved non-fused switch shall provide unit
power shutoff. The control access door shall be
interlocked with the non-fused disconnect. The disconnect switch must be in the OFF position to open
the control box access door. Shall be accessible
from outside the unit and shall provide power off
lockout capability.
19. Alternate Drive:
Shall provide higher static drive capability to enhance evaporator-fan performance rpm range.
20. Hail Guard, Condenser Coil Grille:
Shall protect the condenser coil from hail, flying
debris, and damage by large objects without increasing unit clearances.
21. Ultraviolet Germicidal Lamps:
Ultraviolet germicidal lamps are designed to eliminate odor causing mold and fungus that may
develop in the wet area of the evaporator section of
the unit. The high output, low temperature germicidal
lamps are field installed in the evaporator section of
the unit, aimed at the evaporator coil and condensate pan. The short wavelength ultraviolet light inhibits and kills mold, fungus and microbial growth. The

22.

23.

24.

25.

26.

27.

28.

29.

30.

31.

32.

284

lamps have an output rating at 45 F in 400 fpm airflow of 120 microwatts/cm2 at 1 meter.
Stainless Steel Condensate Pan:
Stainless steel condensate pans shall be available
for condensate collection.
Light Commercial Thermidistat™ Device:
Shall regulate temperature and humidity from one
location. Automatic humidity control adjusts indoor
humidity level between 50 and 90% RH (relative
humidity) based on the outdoor temperature sensor.
Fan/Filter Status Switch:
Provides status of indoor (evaporator) fan (ON/OFF)
or filter (CLEAN/DIRTY). Status shall be displayed
over communication bus when used with direct
digital controls or with an indicator light at the
thermostat.
Manual Outdoor-Air Damper:
Manual damper package shall consist of damper,
birdscreen, and rainhood which can be preset
to admit up to 50% outdoor air for year-round
ventilation.
High-Static Motor(s) and Drive(s):
High-static motor(s) and drive(s) shall be factoryinstalled to provide additional performance range.
Indoor Air Quality (CO2) Sensor:
a. Shall have the ability to provide demand ventilation indoor air quality (IAQ) control through the
economizer with an IAQ sensor.
b. The IAQ sensor shall be available in duct mount,
wall mount, and wall mount with LED display. The
set point shall have adjustment capability.
Return Air CO2 Sensor (EconoMi$er IV):
Sensor shall have the ability to provide demand ventilation control through the EconoMi$er IV. The IAQ
sensor shall be duct mounted. The set point shall
have adjustment capability.
Outdoor Air Enthalpy Sensor (EconoMi$er IV or
EconoMi$er2):
The outdoor air enthalpy sensor shall be used to provide single enthalpy control. When used in conjunction with a return air enthalpy sensor, the controller
will provide differential enthalpy control. The sensor
allows the controller to determine if outside air is
suitable for free cooling.
Return Air Enthalpy Sensor (EconoMi$er IV or
EconoMi$er2):
The return air enthalpy sensor shall be used with the
EconoMi$er IV or EconoMi$er2 device. When used in
conjunction with an outdoor air enthalpy sensor, the
controller will provide differential enthalpy
control.
Return Air Temperature Sensor (EconoMi$er IV or
EconoMi$er2):
The return air temperature sensor shall be used with
the EconoMi$er IV or EconoMi$er2 device. When
used in conjunction with the standard outdoor air temperature sensor, the EconoMi$er IV or EconoMi$er2
device will provide differential temperature control.
Indoor Air Quality (CO2) Room Sensor (EconoMi$er
IV):
Sensor shall have the ability to provide demand ventilation control through the EconoMi$er IV. The IAQ
sensor shall be wall mounted with an LED display in
parts per million. The set point shall have adjustment
capability.

GUIDE SPECIFICATIONS — 581A210-300 UNITS
2. Indoor blower compartment interior surfaces shall be
insulated with a minimum 1/2-in. thick, 1 lb density
fiberglass insulation. Fiberglass insulation shall be
bonded with a thermosetting resin (8 to 12% by
weight nominal, phenol formaldehyde typical), and
coated with an acrylic or other material that meets
the NFPA 90 flame retardance requirements and
has an ‘‘R’’ Value of 3.70. Aluminum foil-faced fiberglass insulation shall be used in the gas heat
compartment.
3. Cabinet panels shall have minimum 1/2-in. thick,
1.5-lb. density insulation. Each external access panel
shall be permanently attached to the rooftop unit.
Panels shall also include tiebacks.
4. Filters shall be accessible through an access panel.
5. Holes shall be provided in the base rails (minimum
14 gage) for rigging shackles and level travel and
movement during overhead rigging operations.
6. Fork lift slots shall be available from two sides of the
unit (end and side).
7. Unit shall contain a sloped drain pan, to prevent
standing water from accumulating. Pan shall be fabricated of epoxy powder coated steel.
C. Fans:
1. Indoor blower (evaporator fan):
a. Centrifugal supply air blower shall have pillowblock ball bearings and adjustable belt
drive. Blower assembly shall slide out of unit for
servicing.
b. Fan wheel shall be made from steel with a corrosion resistant finish. It shall be a dynamically balanced, double-inlet type with forward-curved
blades.
c. The indoor fan system (blower wheels, motors,
belts, and both bearings) shall slide out for easy
access.
2. Condenser fans shall be of the direct-driven propeller
type, with corrosion-resistant blades riveted to corrosion-resistant steel supports. They shall be dynamically balanced and discharge air upwards.
Condenser fan motors shall be totally enclosed and
be of a shaft down design.
3. Induced-draft blower shall be of the direct-driven, single inlet, forward-curved, centrifugal type. It shall be
made from steel with a corrosion-resistant finish and
shall be dynamically balanced.
D. Compressor(s):
1. Fully hermetic, scroll type, internally protected.
2. Factory spring-shock mounted and internally spring
mounted for vibration isolation.
3. On electrically and mechanically independent refrigerant circuits.
4. Reverse rotation protection capability.
5. Crankcase heaters shall only be activated during
compressor OFF mode.
E. Coils:
1. Standard evaporator and condenser coils shall have
copper or aluminum plate fins mechanically bonded
to seamless internally grooved copper tubes with all
joints brazed.
2. Coils shall be leak tested at 150 psig (1034 kPa) and
pressure tested at 450 psig (3103 kPa).

PACKAGED ROOFTOP ELECTRIC COOLING UNIT WITH
GAS HEAT — CONSTANT VOLUME APPLICATION
HVAC GUIDE SPECIFICATIONS
SIZE RANGE: 18 TO 25 TONS NOMINAL (COOLING)
250,000 TO 400,000 BTUH, NOMINAL
(INPUT HEATING)
BRYANT MODEL NUMBERS: 581A

PART 1 — GENERAL
1.01 SYSTEM DESCRIPTION
Unit is an outdoor rooftop mounted, electrically controlled
heating and cooling unit utilizing scroll hermetic compressors with crankcase heaters for cooling duty and gas combustion heat for heating duty. Supply air shall be
discharged downward or horizontally, as shown on contract drawings.
1.02 QUALITY ASSURANCE
A. Unit shall well exceed the energy efficiency requirements
of ASHRAE standard 90.1-2001. Unit shall be Energy
Star qualified.
B. Unit shall be rated in accordance with ARI Standards 270
and 360 and all units shall be designed in accordance
with UL Standard 1995.
C. Unit shall be designed to conform to ASHRAE 15.
D. Unit shall be UL and UL, Canada, tested and certified in
accordance with ANSI Z21.47 Standards as a total
package.
E. Roof curb shall be designed to conform to NRCA
Standards.
F. Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke generation.
G. Unit casing shall be capable of withstanding 500-hour salt
spray exposure per ASTM B117 (scribed specimen).
H. Unit shall be manufactured in a facility registered to
ISO 9001:2000.
1.03 DELIVERY, STORAGE, AND HANDLING
Unit shall be stored and handled per manufacturer’s
recommendations.
PART 2 — PRODUCTS
2.01 EQUIPMENT (STANDARD)
A. General:
The 581A unit shall be a factory assembled, single-piece
heating and cooling unit. Contained within the unit enclosure shall be all factory wiring, piping, controls, refrigerant
charge (R-22), and special features required prior to field
start-up.
B. Unit Cabinet:
1. Constructed of galvanized steel (G90 — 1.8 oz. of
zinc per square foot of sheet metal), bonderized and
primer-coated on both sides and coated with a baked
polyester thermosetting powdercoating finish on the
outer surface. The color of this pre-painted steel is
referred to as “American Sterling,” a gray color. Bryant’s paint specification for this color is PH184.
Color: American Sterling, this gray color is to match
federal standard 595a, #26231.
Gloss (per ASTM 0523, 60 deg. F): 60.
Hardness of paint film: H-2H pencil hardness.

285

GUIDE SPECIFICATIONS — 581A210-300 UNITS (cont)
3. Optional pre-coated aluminum-fin coils shall have a
durable epoxy-phenolic coating to provide protection
in mildly corrosive coastal environments. Coating
shall be applied to the aluminum fin stock prior to the
fin stamping process to create an inert barrier
between the aluminum fin and copper tube. Epoxyphenolic barrier shall minimize galvanic action
between dissimilar metals.
4. Copper-fin coils shall be constructed of copper fins
mechanically bonded to copper tubes and copper
tube sheets. Galvanized steel tube sheets shall not
be acceptable. A polymer strip shall prevent coil
assembly from contacting the sheet metal coil pan to
minimize potential for galvanic corrosion between
coil and pan. All copper construction shall provide
protection in moderate coastal environments.
5. E-Coated aluminum-fin coils shall have a flexible
epoxy polymer coating uniformly applied to all coil
surface areas without material bridging between fins.
Coating process shall ensure complete coil encapsulation. Color shall be high gloss black with gloss —
60 deg of 65 to 90% per ASTM D523-89. Uniform dry
film thickness from 0.8 to 1.2 mil on all surface areas
including fin edges. Superior hardness characteristics of 2H per ASTM D3363-92A and cross-hatch
adhesion of 4B-5B per ASTM D3359-93. Impact
resistance shall be up to 160 in./lb (ASTM D279493). Humidity and water immersion resistance shall
be up to minimum 1000 and 250 hours respectively
(ASTM D2247-92 and ASTM D870-92). Corrosion
durability shall be confirmed through testing to be no
less than 1000 hours salt spray per ASTM B117-90.
Coil construction shall be aluminum fins mechanically bonded to copper tubes.
6. E-Coated copper-fin coils shall have a flexible epoxy
polymer coating uniformly applied to all coil surface
areas without material bridging between fins. Coating
process shall ensure complete coil encapsulation.
Color shall be high gloss black with gloss — 60 deg
of 65 to 90% per ASTM D523-89. Uniform dry film
thickness from 0.8 to 1.2 mil on all surface areas
including fin edges. Superior hardness characteristics of 2H per ASTM D3363-92A and cross-hatch
adhesion of 4B-5B per ASTM D3359-93. Impact
resistance shall be up to 160 in./lb (ASTM D279493). Humidity and water immersion resistance shall
be up to minimum 1000 and 250 hours respectively
(ASTM D2247-92 and ASTM D870-92). Corrosion
durability shall be confirmed through testing to be no
less than 1000 hours salt spray per ASTM B117-90.
Coil construction shall be copper fins mechanically
bonded to copper tubes with copper tube sheets.
Galvanized steel tube sheets shall not be acceptable. A polymer strip shall prevent coil assembly
from contacting sheet metal coil pan to maintain
coating integrity and minimize corrosion potential
between coil and pan.
F. Heating Section:
1. Induced-draft combustion type with energy saving
direct-spark ignition system and redundant main gas
valve with 2-stage capability.
2. The heat exchanger shall be of the tubular-section
type constructed of a minimum of 20-gage steel
coated with a nominal 1.2 mil aluminum-silicone alloy
for corrosion resistance.
3. Burners shall be of the in-shot type constructed of
aluminum-coated steel.
4. All gas piping shall enter the unit at a single location.

G.

H.

I.

J.

K.

L.

286

5. Stainless steel heat exchanger (minimum 20 Ga type
409 stainless steel) shall be available.
Refrigerant Components:
Each refrigerant circuit shall include:
1. Thermostatic expansion valve (TXV) with removable
power element.
2. Filter driers.
3. Gage port and connections on suction and
discharge.
Filter Section:
Standard filter section shall consist of factory-installed
2-in. thick throwaway fiberglass filters.
Controls and Safeties:
1. Electro-Mechanical Control:
a. Economizer control (optional).
b. Capacity control (2-step).
c. Unit shall be complete with self-contained lowvoltage control circuit.
2. Safeties:
a. Unit shall incorporate a solid-state compressor
lockout which provides optional reset capability at
the space thermostat, should any of the following
safety devices trip and shut off compressor:
1) Compressor lockout protection provided for
either internal or external overload.
2) Low-pressure protection.
3) Freeze protection (evaporator coil).
4) High-pressure protection (high pressure switch
or internal).
b. Induced draft heating section shall be provided
with the following minimum protections:
1) High-temperature limit switch.
2) Induced-draft motor speed sensor.
3) Flame rollout switch.
4) Flame proving controls.
5) Redundant gas valve.
Operating Characteristics:
1. Unit shall be capable of starting and running at 125 F
ambient outdoor temperature per maximum load
criteria of ARI Standard 360.
2. Unit with standard controls will operate in cooling
down to an outdoor ambient temperature of 40 F.
3. Size 18 and 20 ton units shall have 3 fully independent refrigerant circuits to allow for 33% capacity per
circuit.
Electrical Requirements:
All unit power wiring shall enter unit cabinet at a single
location.
Motors:
1. Compressor motors shall be cooled by refrigerant
gas passing through motor windings and shall have
line break thermal and current overload protection.
2. All fan motors shall have permanently lubricated,
sealed bearings and inherent automatic-reset thermal overload protection or manual reset calibrated
circuit breakers.
3. All indoor-fan motors 5 hp and larger shall meet the
minimum efficiency requirements as established by
the Energy Policy Act of 1992 (EPACT), effective
October 24, 1997.

GUIDE SPECIFICATIONS — 581A210-300 UNITS (cont)
M. Special Features:
Certain features are not applicable when the features
designated * are specified. For assistance in amending
the specifications, contact your local Bryant Sales Office.
1. Full Perimeter Roof Curbs (Horizontal and Vertical):
a. Formed of 14-gage galvanized steel with wood
nailer strip and shall be capable of supporting
entire unit weight.
b. Permits installing and securing ductwork to curb
prior to mounting unit on the curb.
c. Retrofit roof curb kit shall be available for fit up to
existing Bryant roof curbs.
*
2. Integrated Economizer:
a. Integrated integral modulating type capable
of simultaneous economizer and compressor
operation.
b. Available as a factory-installed option in vertical
supply/return configuration only. (Available as a
field-installed accessory for dedicated horizontal
and/or vertical supply return configurations.)
c. Includes all hardware and controls to provide
cooling with outdoor air.
d. Equipped with low-leakage dampers, not to
exceed 2% leakage at 1 in. wg pressure
differential.
e. Capable of introducing up to 100% outdoor air.
f. EconoMi$er IV shall be equipped with a barometric relief damper.
g. Designed to close damper(s) during loss-ofpower situations with spring return built into
motor.
h. Dry bulb outdoor-air temperature sensor shall be
provided as standard. Outdoor air sensor set point
is adjustable and shall range from 40 to
100 F.
For the EconoMi$er IV, the return air sensor, indoor
enthalpy sensor, and outdoor enthalpy sensor shall
be provided as field-installed accessories to provide enthalpy control, differential enthalpy control,
and differential dry bulb temperature control.
i. EconoMi$er IV controller shall use a mixed air
thermistor mounted on the evaporator fan housing to control EconoMi$er IV operation to a supply air temperature of 55 F.
j. The EconoMi$er IV shall have a gear-driven parallel blade design.
k. EconoMi$er IV controller shall provide control of
internal building pressure through its accessory
power exhaust function. Factory set at 100%, with
a range of 0% to 100%.
l. EconoMi$er IV controller Occupied Minimum
Damper Position Setting maintains the minimum
airflow into the building during occupied period
providing design ventilation rate for full occupancy
(damper position during heating). A remote potentiometer may be used to override the set point.
m. EconoMi$er IV controller Unoccupied Minimum
Damper Position Setting — The EconoMi$er IV
dampers shall be completely closed when the unit
is in the occupied mode.
n. EconoMi$er IV controller IAQ/DCV control modulates the outdoor-air damper to provide ventilation
based on the optional 2 to 10 vdc CO2 sensor
input.
o. Compressor lockout sensor (opens at 35 F,
closes at 50 F).
p. Actuator shall be direct coupled to economizer
gear, eliminating linkage arms and rods.

*

3.

*

4.

*

5.

6.

7.

*

8.

9.

10.

287

q. Control LEDs:
1) When the outdoor air damper is capable of
providing free cooling, the “Free Cool” LED
shall illuminate.
2) The IAQ LED indicates when the module is on
the DCV mode.
3) The EXH LED indicates when the exhaust fan
contact is closed.
r. Remote Minimum Position Control — A fieldinstalled accessory remote potentiometer allows
the outdoor air damper to be opened or closed
beyond the minimum position in the occupied
mode for modified ventilation.
Barometric Relief Damper Package:
a. Package shall include damper, seals, hardware,
and hoods to relieve excess internal pressure.
b. Damper shall close due to gravity upon unit
shutdown.
Power Exhaust:
Package shall include an exhaust (centrifugal style)
fan, 1 Hp 208-230, 460 v (factory-wired for 460 v)
direct-drive motor, and damper for vertical flow units
with economizer to control over-pressurization of
building.
Thermostats and Subbases:
Units shall provide staged heating and cooling in
addition to automatic (or manual) changeover and
fan control.
Hot Gas Bypass Dehumidification Package:
The dehumidification package is a factory-installed
option that provides increased dehumidification by
diverting hot gas from the compressor to the HGRH
coil to provide approximately 75 F leaving air temperature dehumidifying the air but NOT overcooling
the space. The package consists of a single row,
12.25 sq ft subcooling coil located on the leaving airside of the evaporator coil. The location of this coil in
the indoor airstream greatly enhances the latent
capacity of the unit.
The package shall be equipped with low pressure
switch(es) and TXVs. Low pressure switch(es) prevents evaporator coil freeze-up and TXVs assure a
positive superheat condition. If the operation of the
Hot Gas Reheat (HGRH) coil is controlled by a fieldinstalled wall-mounted humidistat, the dehumidification circuit will
then operate only when needed.
Optional field connections for the humidistat are made
in the low voltage compartment of the unit control box.
Humidistat:
Field-installed, wall-mounted humidistat is used to
control activation of the dehumidification package.
The humidistat can be set for humidity levels
between 20% and 80% relative humidity.
Electronic Programmable Thermostat:
Thermostat shall be capable of using deluxe fullfeatured electronic thermostat.
Liquefied Propane Conversion Kit:
Kit shall contain all the necessary hardware and
instructions to convert a standard natural gas unit for
use with liquefied propane gas.
Convenience Outlet:
Outlet shall be factory-installed and internally
mounted with an externally accessible 115-v, 15 amp
GFI, female receptacle with hinged cover. A step
down transformer shall be included so no additional
wiring is necessary.

GUIDE SPECIFICATIONS — 581A210-300 UNITS (cont)
11. Non-Fused Disconnect Switch:
Switch shall be factory-installed, internally mounted,
NEC and UL approved. Non-fused switch shall provide unit power shutoff. Shall be accessible from outside the unit and shall provide power off lockout
capability.
12. Hail Guard, Condenser Coil Grille:
Grille shall protect the condenser coil from hail, flying
debris, and damage by large objects without increasing unit clearances.
13. Horizontal Kit:
Horizontal kit shall contain all the necessary hardware to convert a vertical airflow unit to a horizontal
airflow unit.
The unit shall also be available as a horizontal airflow unit directly from the factory.
14. Return Air Smoke Detector:
The smoke detector shall send input to the controller
to shut down the unit in case smoke is detected. The
smoke detector shall be factory installed in the return
air section or shall be available as a field-installed
accessory.
15. Two-Position Damper:
The damper shall admit up to 25% outdoor air and
shall close upon shutdown. The package shall
include a single-blade damper and motor.
16. Manual Damper:
The damper shall have a manually adjustable outside air intake for up to 33% outside air.
17. 30% Filters:
The filters shall be 30% efficient. The filters shall be
2-in., pleated filters.
18. Standard Motor with Alternate Drive:
The alternate drive shall provide high-static drive
capability to enhance evaporator fan performance.
19. Alternate Motor with Standard Drive:
The alternate motor shall provide high-static motor
capability to enhance evaporator fan performance.
20. Alternate Motor with Optional Drive:
The alternate motor and optional drive shall provide
high-static motor and drive capability to enhance
evaporator fan performance.
21. Four-in. Filter Capability:
The unit shall be capable of accepting 4-in. filters by
removal of the factory-supplied 2-in. filters and filter
rack and installation of a specially designed filter
bracket.
22. Supply Air Smoke Detector:
The smoke detector shall send input to the controller
to shut down the unit in case smoke is detected. The
smoke detector shall be factory installed in the supply air section or shall be available as a fieldinstalled accessory.
23. Supply and Return Air Smoke Detector:
The smoke detector shall send input to the controller
to shut down the unit in case smoke is detected. The
smoke detector shall be factory installed in the supply and return air sections or shall be available as a
field-installed accessory.

24. HACR Breaker:
The HACR circuit breaker shall be factory installed.
25. Thru-the-Curb Utility Connectors:
Kit shall provide connectors to permit gas and electrical connections to be brought to the unit through
the roof curb.
26. Condensate Overflow Switch:
The condensate overflow switch shall close when
the condensate level in the pan rises above switch.
27. Outdoor Air Enthalpy Sensor (EconoMi$er IV):
The outdoor air enthalpy sensor is used to sense
outdoor air enthalpy for the EconoMi$er IV device.
The outdoor air humidity sensor, in conjunction with
the standard outdoor air temperature sensor, shall
be used with the EconoMi$er IV device to provide
outdoor enthalpy. Outdoor air enthalpy shall be calculated by the EconoMi$er IV device from the outdoor air temperature and enthalpy readings. When
the outdoor air enthalpy sensor is installed, the
EconoMi$er IV can perform Outdoor Air Enthalpy
control. With the additional installation of an accessory return air temperature sensor and return air
enthalpy sensor, differential enthalpy control can
also be performed.
28. Return Air Enthalpy Sensor (EconoMi$er IV):
The return air enthalpy sensor is used to sense
return air enthalpy for the EconoMi$er IV device.
The return air enthalpy sensor, in conjunction with
the accessory return air temperature sensor, shall be
used with the EconoMi$er IV device to provide
return air enthalpy. Return air enthalpy shall be calculated by the EconoMi$er IV device from the return
air temperature and humidity readings. With the
additional installation of an accessory return air temperature sensor and outdoor air enthalpy sensor, differential enthalpy control can also be performed.
29. Return Air Temperature Sensor (EconoMi$er IV):
The return air temperature sensor is used to sense
return air temperature for the EconoMi$er IV device.
When the return air temperature sensor is installed,
the EconoMi$er IV can perform Differential Temperature control. The return air temperature sensor, in
conjunction with the accessory return air humidity
sensor, shall be used with the EconoMi$er IV device
to provide return air enthalpy. Return air enthalpy
shall be calculated by the EconoMi$er IV device
from the return air temperature and humidity readings. With the additional installation of an accessory
return air enthalpy sensor and outdoor air humidity
sensor, differential enthalpy control can also be performed.
30. Indoor Air Quality (CO2) Room Sensor (EconoMi$er
IV:
Sensor shall have the ability to provide demand ventilation control through the EconoMi$er IV. The IAQ
sensor shall be wall mounted with an LED display in
parts per million. The set point shall have adjustment
capability.
31. Return Air CO2 Sensor (EconoMi$er IV):
Sensor shall have the ability to provide demand ventilation control through the EconoMi$er IV. The IAQ
sensor shall be duct mounted. The set point shall
have adjustment capability.

288

CONTROLS
If there is a further demand for cooling (cooling second stage —
Y2 is energized), then the control will bring on compressor
stage 1 to maintain the mixed-air temperature set point. The
EconoMi$er IV damper will be open at maximum position.
EconoMi$er IV operation is limited to a single compressor.
Heating, Units With Economizer
NOTE: The units have 2 stages of heat.
When the thermostat calls for heating, power is sent to W1 on
the IGC (integrated gas unit controller) board. An LED (lightemitting diode) on the IGC board will be on during normal operation. A check is made to ensure that the rollout switch and limit
switch are closed and the induced-draft motor is running. The
induced-draft motor is then energized, and when speed is
proven with the hall effect sensor on the motor, the ignition activation period begins. The burners will ignite within 5 seconds.
If the burners do not light, there is a 22-second delay before
another 5-second attempt. If the burners still do not light, this
sequence is repeated for 15 minutes. After the 15 minutes have
elapsed, if the burners still have not lit, heating is locked out. To
reset the control, break 24-v power to the thermostat.
When ignition occurs the IGC board will continue to monitor the
condition of the rollout and limit switches, the hall effect sensor,
as well as the flame sensor. If the unit is controlled through a
room thermostat set for fan auto., 45 seconds after ignition
occurs, the indoor-fan motor will be energized (and the outdoorair dampers will open to their minimum position). If for some
reason the overtemperature limit opens prior to the start of the
indoor fan blower, on the next attempt, the 45-second delay will
be shortened to 5 seconds less than the time from initiation of
heat to when the limit tripped. Gas will not be interrupted to the
burners and heating will continue. Once modified, the fan on
delay will not change back to 45 seconds unless power is reset
to the control.
When additional heat is required, W2 closes and initiates power
to the second stage of the main gas valve. When the thermostat
is satisfied, W1 and W2 open and the gas valve closes, interrupting the flow of gas to the main burners. If the call for W1
lasted less than 1 minute, the heating cycle will not terminate
until 1 minute after W1 became active. If the unit is controlled
through a room thermostat set for fan auto., the indoor-fan
motor will continue to operate for an additional 45 seconds then
stop (and the outdoor-air dampers will close). If the overtemperature limit opens after the indoor motor is stopped within
10 minutes of W1 becoming inactive, on the next cycle the time
will be extended by 15 seconds. The maximum delay is 3 minutes. Once modified, the fan off delay will not change back to
45 seconds unless power is reset to the control.
When the thermostat is satisfied and W1 and W2 are deenergized, the IFM continues to run and the economizer damper
then moves to the minimum position.
OPERATING SEQUENCE, 580F180-300, 579F150-300 AND
581A155,180
Cooling, Units Without Economizer — When thermostat calls
for cooling, terminals G and Y1 are energized. The indoor
(evaporator) fan contactor (IFC) and compressor contactor
no. 1 (C1) are energized, and evaporator-fan motor (IFM), compressor no. 1 and condenser fan(s) start. The condenser-fan
motor(s) runs continuously while unit is cooling. When the thermostat calls for a second stage of cooling by energizing Y2,
compressor contactor no. 2 (C2) is energized and compressor
no. 2 starts.

OPERATING SEQUENCE, SIZE 024-151 UNITS
Cooling, Units Without Economizer — When thermostat calls
for cooling, terminals G and Y1 are energized. The indoor-fan
contactor (IFC) and compressor contactor are energized
and indoor-fan motor, compressor, and outdoor fan starts. The
outdoor-fan motor runs continuously while unit is cooling.
For units with 2 stages of cooling, if the thermostat calls for a
second stage of cooling by energizing Y2, compressor contactor no. 2 (C2) is energized and compressor no. 2 starts.
Heating, Units Without Economizer — When the thermostat
calls for heating, terminal W1 is energized. To prevent thermostat short-cycling, the unit is locked into the Heating mode for at
least 1 minute when W1 is energized. The induced-draft motor
is energized and the burner ignition sequence begins. The
indoor (evaporator) fan motor (IFM) is energized 45 seconds
after a flame is ignited. On units equipped for two stages of
heat, when additional heat is needed, W2 is energized and the
high-fire solenoid on the main gas valve (MGV) is energized.
When the thermostat is satisfied and W1 is deenergized, the
IFM stops after a 45-second time-off delay.
Cooling, Units With EconoMi$er IV — When free cooling is
not available, the compressors will be controlled by the zone
thermostat. When free cooling is available, the outdoor-air
damper is modulated by the EconoMi$er IV control to provide a
50 to 55 F mixed-air temperature into the zone. As the mixed-air
temperature fluctuates above 55 or below 50 F, the dampers
will be modulated (open or close) to bring the mixed-air temperature back within control.
If mechanical cooling is utilized with free cooling, the outdoor-air
damper will maintain its current position at the time the compressor is started. If the increase in cooling capacity causes the
mixed-air temperature to drop below 45 F, then the outdoor-air
damper position will be decreased to the minimum position. If
the mixed-air temperature continues to fall, the outdoor-air
damper will close. Control returns to normal once the mixed-air
temperature rises above 48 F.
If optional power exhaust is installed, as the outdoor-air damper
opens and closes, the power exhaust fans will be energized
and deenergized.
If field-installed accessory CO2 sensors are connected to the
EconoMi$er IV control, a demand controlled ventilation strategy
will begin to operate. As the CO2 level in the zone increases
above the CO2 set point, the minimum position of the damper
will be increased proportionally. As the CO2 level decreases
because of the increase in fresh air, the outdoor-air damper will
be proportionally closed.
For EconoMi$er IV operation, there must be a thermostat call
for the fan (G). If the unit is occupied and the fan is on, the
damper will operate at minimum position. Otherwise, the
damper will be closed when the thermostat is satisfied.
When the EconoMi$er IV control is in the occupied mode and a
call for cooling exists (Y1 on the thermostat), the control will first
check for indoor fan operation. If the fan is not on, then cooling
will not be activated. If the fan is on, then the control will open
the EconoMi$er IV damper to the minimum position.
On the initial power to the EconoMi$er IV control, it will take the
damper up to 21/2 minutes before it begins to position itself. Any
change in damper position will take up to 30 seconds to initiate.
Damper movement from full closed to full open (or vice versa)
will take between 11/2 and 21/2 minutes.
If free cooling can be used as determined from the appropriate
changeover command (switch, dry bulb, enthalpy curve, differential dry bulb, or differential enthalpy), then the control will
modulate the dampers open to maintain the mixed-air temperature set point at 50 to 55 F.

289

CONTROLS (cont)
Heating, Units Without Economizer — When the thermostat
calls for heating, power is sent to W on the IGC (integrated gas
unit controller) board. An LED (light-emitting diode) on the IGC
board will be on during normal operation. A check is made to
ensure that the rollout switch and limit switch are closed. The
induced-draft motor is then energized, and when speed is
proven with the hall effect sensor on the motor, the ignition activation period begins. The burners will ignite within 5 seconds.
If the burners do not light, there is a 22-second delay before
another 5-second attempt. If the burners still do not light, this
sequence is repeated for 15 minutes. After the 15 minutes have
elapsed, if the burners still have not lit, heating is locked out. To
reset the control, break 24-v power to the thermostat.
When ignition occurs the IGC board will continue to monitor the
condition of the rollout and limit switches, the hall effect sensor,
as well as the flame sensor. If the unit is controlled through a
room thermostat set for fan auto., 45 seconds after ignition
occurs, the indoor-fan motor will be energized. If for some
reason the overtemperature limit opens prior to the start of the
indoor fan blower, on the next attempt, the 45-second delay will
be shortened to 5 seconds less than the time from initiation of
heat to when the limit tripped. Gas will not be interrupted to the
burners and heating will continue. Once modified, the fan on
delay will not change back to 45 seconds unless power is reset
to the control.
When additional heat is required, W2 closes and initiates power
to the second stage of the main gas valve. When the thermostat
is satisfied, W1 and W2 open and the gas valve closes, interrupting the flow of gas to the main burners. If the call for W1
lasted less than 1 minute, the heating cycle will not terminate
until 1 minute after W1 became active. If the unit is controlled
through a room thermostat set for fan auto., the indoor-fan motor
will continue to operate for an additional 45 seconds then stop. If
the overtemperature limit opens after the indoor motor is
stopped within 10 minutes of W1 becoming inactive, on the next
cycle the time will be extended by 15 seconds. The maximum
delay is 3 minutes. Once modified, the fan off delay will not
change back to 45 seconds unless power is reset to the control.
An LED indicator is provided on the IGC to monitor operation.
The IGC is located by removing the side panel and viewing the
IGC through the view port located in the control box access
panel. During normal operation, the LED is continuously on.
Cooling, Units With EconoMi$er IV — When free cooling is
not available, the compressors will be controlled by the zone
thermostat. When free cooling is available, the outdoor-air
damper is modulated by the EconoMi$er IV control to provide a
50 to 55 F mixed-air temperature into the zone. As the mixed-air
temperature fluctuates above 55 or below 50 F, the dampers
will be modulated (open or close) to bring the mixed-air temperature back within control.
If mechanical cooling is utilized with free cooling, the outdoor-air
damper will maintain its current position at the time the compressor is started. If the increase in cooling capacity causes the
mixed-air temperature to drop below 45 F, then the outdoor-air
damper position will be decreased to the minimum position. If
the mixed-air temperature continues to fall, the outdoor-air
damper will close. Control returns to normal once the mixed-air
temperature rises above 48 F.
If optional power exhaust is installed, as the outdoor-air damper
opens and closes, the power exhaust fans will be energized
and deenergized.
If field-installed accessory CO2 sensors are connected to the
EconoMi$er IV control, a demand controlled ventilation strategy
will begin to operate. As the CO2 level in the zone increases
above the CO2 set point, the minimum position of the damper
will be increased proportionally. As the CO2 level decreases
because of the increase in fresh air, the outdoor-air damper will
be proportionally closed.

For EconoMi$er IV operation, there must be a thermostat call
for the fan (G). If the unit is occupied and the fan is on, the
damper will operate at minimum position. Otherwise, the
damper will be closed.
When the EconoMi$er IV control is in the occupied mode and a
call for cooling exists (Y1 on the thermostat), the control will first
check for indoor fan operation. If the fan is not on, then cooling
will not be activated. If the fan is on, then the control will open
the EconoMi$er IV damper to the minimum position.
On the initial power to the EconoMi$er IV control, it will take the
damper up to 21/2 minutes before it begins to position itself. Any
change in damper position will take up to 30 seconds to initiate.
Damper movement from full closed to full open (or vice versa)
will take between 11/2 and 21/2 minutes.
If free cooling can be used as determined from the appropriate
changeover command (switch, dry bulb, enthalpy curve, differential dry bulb, or differential enthalpy), then the control will
modulate the dampers open to maintain the mixed-air temperature set point at 50 to 55 F.
If there is a further demand for cooling (cooling second stage —
Y2 is energized), then the control will bring on compressor
stage 1 to maintain the mixed-air temperature set point. The
EconoMi$er IV damper will be open at maximum position.
EconoMi$er IV operation is limited to a single compressor.
Heating, Units With Economizer
NOTE: The units have 2 stages of heat.
When the thermostat calls for heating, power is sent to W1 on
the IGC (integrated gas unit controller) board. An LED (lightemitting diode) on the IGC board will be on during normal operation. A check is made to ensure that the rollout switch and limit
switch are closed and the induced-draft motor is running. The
induced-draft motor is then energized, and when speed is
proven with the hall effect sensor on the motor, the ignition activation period begins. The burners will ignite within 5 seconds.
If the burners do not light, there is a 22-second delay before
another 5-second attempt. If the burners still do not light, this
sequence is repeated for 15 minutes. After the 15 minutes have
elapsed, if the burners still have not lit, heating is locked out. To
reset the control, break 24-v power to the thermostat.
When ignition occurs the IGC board will continue to monitor the
condition of the rollout and limit switches, the hall effect sensor,
as well as the flame sensor. If the unit is controlled through a
room thermostat set for fan auto., 45 seconds after ignition
occurs, the indoor-fan motor will be energized (and the outdoorair dampers will open to their minimum position). If for some
reason the overtemperature limit opens prior to the start of the
indoor fan blower, on the next attempt, the 45-second delay will
be shortened to 5 seconds less than the time from initiation of
heat to when the limit tripped. Gas will not be interrupted to the
burners and heating will continue. Once modified, the fan on
delay will not change back to 45 seconds unless power is reset
to the control.
When additional heat is required, W2 closes and initiates power
to the second stage of the main gas valve. When the thermostat
is satisfied, W1 and W2 open and the gas valve closes, interrupting the flow of gas to the main burners. If the call for W1
lasted less than 1 minute, the heating cycle will not terminate
until 1 minute after W1 became active. If the unit is controlled
through a room thermostat set for fan auto., the indoor-fan
motor will continue to operate for an additional 45 seconds then
stop (and the outdoor-air dampers will close). If the overtemperature limit opens after the indoor motor is stopped within
10 minutes of W1 becoming inactive, on the next cycle the time
will be extended by 15 seconds. The maximum delay is 3 minutes. Once modified, the fan off delay will not change back to
45 seconds unless power is reset to the control.

290

CONTROLS (cont)
from the thermostat energizes compressor contactor C1 (B1 on
300 units).
Heating, Units Without Economizer
NOTE: The 581A210-300 units have 2 stages of heat.
When the thermostat calls for heating, power is sent to W on
the IGC (integrated gas unit controller) board. An LED (lightemitting diode) on the IGC board will be on during normal operation. A check is made to ensure that the rollout switch and limit
switch are closed and the induced-draft motor is running.
The induced-draft motor is then energized, and when speed is
proven with the hall effect sensor on the motor, the ignition activation period begins. The burners will ignite within 5 seconds.
If the burners do not light, there is a 22-second delay before
another 5-second attempt. If the burners still do not light, this
sequence is repeated for 15 minutes. After the 15 minutes have
elapsed, if the burners still have not lit, heating is locked out.
To reset the control, break 24-v power to the thermostat. When
ignition occurs the IGC board will continue to monitor the condition of the rollout and limit switches, the hall effect sensor, as
well as the flame sensor. If the unit is controlled through a room
thermostat set for fan auto., 45 seconds after ignition occurs,
the indoor-fan motor will be energized (and the outdoor-air
dampers will open to their minimum position). If for some reason the overtemperature limit opens prior to the start of the
indoor fan blower, on the next attempt, the 45-second delay will
be shortened to 5 seconds less than the time from initiation of
heat to when the limit tripped. Gas will not be interrupted to the
burners and heating will continue.
Once modified, the fan on delay will not change back to
45 seconds unless power is reset to the control.
When additional heat is required, W2 closes and initiates power
to the second stage of the main gas valve. When the thermostat
is satisfied, W1 and W2 open and the gas valve closes, interrupting the flow of gas to the main burners. If the call for W1
lasted less than 1 minute, the heating cycle will not terminate
until 1 minute after W1 became active. If the unit is controlled
through a room thermostat set for fan auto., the indoor-fan
motor will continue to operate for an additional 45 seconds then
stop (and the outdoor-air dampers will close).
If the overtemperature limit opens after the indoor motor is
stopped within 10 minutes of W1 becoming inactive, on the next
cycle the time will be extended by 15 seconds. The maximum
delay is 3 minutes. Once modified, the fan off delay will not
change back to 45 seconds unless power is reset to the control.
A LED indicator is provided on the IGC to monitor operation.
The IGC is located by removing the side panel and viewing the
IGC through the view port located in the control box access
panel. During normal operation, the LED is continuously on.
Cooling, Units With EconoMi$er IV — When free cooling is
not available, the compressors will be controlled by the zone
thermostat. When free cooling is available, the outdoor-air
damper is modulated by the EconoMi$er IV control to provide a
50 to 55 F mixed-air temperature into the zone. As the mixed-air
temperature fluctuates above 55 or below 50 F, the dampers
will be modulated (open or close) to bring the mixed-air temperature back within control.
If mechanical cooling is utilized with free cooling, the outdoor-air
damper will maintain its current position at the time the compressor is started. If the increase in cooling capacity causes the
mixed-air temperature to drop below 45 F, then the outdoor-air
damper position will be decreased to the minimum position. If
the mixed-air temperature continues to fall, the outdoor-air
damper will close. Control returns to normal once the mixed-air
temperature rises above 48 F.
If optional power exhaust is installed, as the outdoor-air damper
opens and closes, the power exhaust fans will be energized
and deenergized.

When the thermostat is satisfied and W1 and W2 are deenergized, the IFM continues to run and the economizer damper
then moves to the minimum position.
Units With Hot Gas Bypass Dehumidification Package —
When thermostat calls for cooling, terminals G and Y1 and Y2
and the compressor contactors C1 and C2 are energized. The
indoor (evaporator) fan motor (IFM), compressor, and outdoor
(condenser) fan motor (OFM) start. The OFM runs continuously
while the unit is in cooling. As shipped from the factory, hot gas
bypass dehumidification circuit is always energized. If hot gas
bypass circuit modulation is desired, a field-installed, wallmounted humidistat is required.
If the hot gas bypass humidistat is installed and calls for the hot
gas bypass subcooler coil to operate, the humidistat internal
switch closes. This energizes and closes the liquid line solenoid
valve coil (LLSV) of the hot gas bypass circuit, forcing the hot
liquid refrigerant of the liquid line to enter the subcooler coil. As
the hot liquid passes through the subcooler coil, it is exposed to
the cold supply airflow coming off from the evaporator coil and
the liquid is further cooled to a temperature approaching the
evaporator coil leaving-air temperature. The state of the refrigerant leaving the subcooler coil is a highly subcooled liquid
refrigerant. The liquid then enters a thermostatic expansion
valve (TXV) where the liquid is dropped to a lower pressure.
The TXV does not have a pressure drop great enough to
change the liquid to a 2-phase fluid. The TXV can throttle the
pressure drop of the liquid refrigerant and maintain proper conditions at the compressor suction valve over a wide range of
operating conditions. The liquid then enters a second fixed
restrictor expansion device for a second pressure drop to a
2-phase fluid. The liquid proceeds to the evaporator coil at a
temperature lower than normal cooling operation. This lower
temperature is what increases the latent capacity of the rooftop.
The 2-phase refrigerant passes through the evaporator and is
changed into a vapor. The air passing over the evaporator coil
will become colder than during normal operation as a result of
the colder refrigerant temperatures. However, as it passes over
the subcooler coil, the air will be warmed slightly.
As the refrigerant leaves the evaporator, the refrigerant passes
a low-pressure switch in the suction line. This low-pressure
switch will de-activate the hot gas bypass package when the
suction pressure reaches 60 psig. The low-pressure switch is
an added safety device to protect against evaporator coil
freeze-up. The low-pressure switch will only de-activate and
open the liquid line solenoid valve in the hot gas bypass circuit.
The compressors will continue to run as long as there is a call
for cooling, regardless of the position of the low-pressure
switch. The solenoid valve and the hot gas bypass package will
be re-activated only when the call for cooling has been satisfied, the low-pressure switch has closed, and a new call for
cooling exists. The crankcase heaters on the scroll compressor
provide additional protection for the compressor due to the
additional refrigerant charge in the subcooler.
When the humidistat is satisfied, the humidistat internal switch
opens cutting power to and opening the LLSV. The refrigerant is
routed back through the evaporator and the subcooler coil is
removed from the refrigerant loop.
When the thermostat is satisfied, C1 and C2 are deenergized
and the compressor and OFM shut off. After a 30-second delay,
the IFM shuts off. If the thermostat fan selector switch is in the
ON position, the IFM will run continuously.
OPERATING SEQUENCE, 581A210-300
Cooling, Units Without Economizer — When thermostat calls
for cooling, terminals G and Y1 are energized. The indoor-fan
contactor (IFC) and compressor contactors A1 and B1 (except
300 units) are energized and indoor-fan motor, compressor, and
outdoor fan starts. The outdoor fan motor runs continuously
while unit is cooling. If further cooling is required, the Y2 output

291

CONTROLS (cont)
induced-draft motor is then energized, and when speed is
proven with the hall effect sensor on the motor, the ignition activation period begins. The burners will ignite within 5 seconds.
If the burners do not light, there is a 22-second delay before
another 5-second attempt. If the burners still do not light, this
sequence is repeated for 15 minutes. After the 15 minutes have
elapsed, if the burners still have not lit, heating is locked out. To
reset the control, break 24-v power to the thermostat.
When ignition occurs the IGC board will continue to monitor the
condition of the rollout and limit switches, the hall effect sensor,
as well as the flame sensor. If the unit is controlled through a
room thermostat set for fan auto., 45 seconds after ignition
occurs, the indoor-fan motor will be energized (and the outdoorair dampers will open to their minimum position). If for some
reason the overtemperature limit opens prior to the start of the
indoor fan blower, on the next attempt, the 45-second delay will
be shortened to 5 seconds less than the time from initiation of
heat to when the limit tripped. Gas will not be interrupted to the
burners and heating will continue. Once modified, the fan on
delay will not change back to 45 seconds unless power is reset
to the control.
When additional heat is required, W2 closes and initiates power
to the second stage of the main gas valve. When the thermostat
is satisfied, W1 and W2 open and the gas valve closes, interrupting the flow of gas to the main burners. If the call for W1
lasted less than 1 minute, the heating cycle will not terminate
until 1 minute after W1 became active. If the unit is controlled
through a room thermostat set for fan auto., the indoor-fan
motor will continue to operate for an additional 45 seconds then
stop (and the outdoor-air dampers will close). If the overtemperature limit opens after the indoor motor is stopped within
10 minutes of W1 becoming inactive, on the next cycle the time
will be extended by 15 seconds. The maximum delay is 3 minutes. Once modified, the fan off delay will not change back to
45 seconds unless power is reset to the control.
When the thermostat is satisfied and W1 and W2 are deenergized, the IFM continues to run and the economizer damper
then moves to the minimum position.

If field-installed accessory CO2 sensors are connected to the
EconoMi$er IV control, a demand controlled ventilation strategy
will begin to operate. As the CO2 level in the zone increases
above the CO2 set point, the minimum position of the damper
will be increased proportionally. As the CO2 level decreases
because of the increase in fresh air, the outdoor-air damper will
be proportionally closed.
For EconoMi$er IV operation, there must be a thermostat call
for the fan (G). If the unit is occupied and the fan is on, the
damper will operate at minimum position. Otherwise, the
damper will be closed.
When the EconoMi$er IV control is in the occupied mode and a
call for cooling exists (Y1 on the thermostat), the control will first
check for indoor fan operation. If the fan is not on, then cooling
will not be activated. If the fan is on, then the control will open
the EconoMi$er IV damper to the minimum position.
On the initial power to the EconoMi$er IV control, it will take the
damper up to 21/2 minutes before it begins to position itself. Any
change in damper position will take up to 30 seconds to initiate.
Damper movement from full closed to full open (or vice versa)
will take between 11/2 and 21/2 minutes.
If free cooling can be used as determined from the appropriate
changeover command (switch, dry bulb, enthalpy curve, differential dry bulb, or differential enthalpy), then the control will
modulate the dampers open to maintain the mixed-air temperature set point at 50 to 55 F.
If there is a further demand for cooling (cooling second stage —
Y2 is energized), then the control will bring on compressor
stage 1 to maintain the mixed-air temperature set point. The
EconoMi$er IV damper will be open at maximum position.
EconoMi$er IV operation is limited to a single compressor.
Heating, Units With Economizer
NOTE: The units have 2 stages of heat.
When the thermostat calls for heating, power is sent to W1 on
the IGC (integrated gas unit controller) board. An LED (lightemitting diode) on the IGC board will be on during normal operation. A check is made to ensure that the rollout switch and limit
switch are closed and the induced-draft motor is running. The

292

APPLICATION DATA
1. CONDENSATE DRAIN PAN — A sloped condensate drain
pan is supplied on all units. The condensate pan must be
externally trapped. Condensate drains are located on both
the bottom and end of the unit.
2. DUCTWORK — All ductwork must be attached to flanges.
If no flanges are present, they must be field supplied.
Secure vertical discharge ductwork to roof curb. For horizontal discharge applications, attach ductwork to flanges.
Field-supplied flanges can be attached to horizontal discharge openings and all ductwork attached to flanges.
3. THERMOSTAT — Use of 2-stage cooling thermostat is recommended for all units equipped with economizer. A
2-stage cooling thermostat is required for size 090-300
units with integrated economizer.
4. HEATING-TO-COOLING CHANGEOVER — All units are
automatic changeover from heating to cooling when automatic changeover thermostat and subbase are used.
5. AIRFLOW — Units are draw-thru on cooling and blow-thru
on heating.
6. MAXIMUM AIRFLOW — To minimize possibility of condensate blow-off from evaporator, airflow through units should
not exceed 500 cfm/ton (sizes 024-240) and 11,250 cfm
(size 300).
7. MINIMUM AIRFLOW — Minimum airflow for cooling is
300 cfm/ton (sizes 036-240) and 280 cfm/ton (300 units).
Refer to Heating Capacities and Efficiencies table for minimum heating airflow.
8. MINIMUM AMBIENT OPERATING TEMPERATURE —
Minimum ambient operating temperature for size 036-150
standard units is 25 F. With accessory Motormaster® I, II, or
IV units can operate at outdoor temperatures down to –20 F.
Unit sizes 155-300 are designed to operate at outdoor temperatures down to 40 F. With accessory Motormaster I or
Motormaster V control, units can operate at outdoor temperatures down to –20 F.
NOTE: Under most application circumstances, if the rooftop unit is equipped with an economizer, low ambient controls are not required. Unless the outdoor air is
unsatisfactory for free cooling due to high temperature,
excessive humidity, or poor air quality, outdoor air should
be used.
9. MAXIMUM OPERATING OUTDOOR-AIR TEMPERATURE — Maximum outdoor operating temperature for
cooling is shown below (60 Hz):
581B,C024-150
125 F
580F036-151
115 F
579F/580F180-240
120 F
579F/580F300
125 F
581A036-155
125 F
581A180
120 F
581A210
125 F
581A240
125 F
581A300
125 F
10. HIGH ALTITUDES — These may require a change to the
gas orifice. Refer to Altitude Compensation tables.
11. MINIMUM HEATING ENTERING AIR TEMPERATURE —
The minimum temperature of air entering the dimpled heat
exchanger is 50 F continuous and 45 F intermittent for aluminum heat exchangers and 40 F continuous and 35 F
intermittent for stainless steel heat exchangers. To operate
at lower mixed-air temperatures, a field-supplied outdoorair thermostat must be used to initiate both stages of heat
when the temperature is below the minimum required temperature to ensure full fire operation. Wire the outdoor-air
thermostat (part no. HH22AG106) in series with the second
stage gas valve as shown below. Set the outdoor-air
thermostat at 35 F for stainless steel heat exchangers or

45 F for aluminum heat exchangers. This temperature setting will bring on the second stage of heat whenever the
ambient temperature is below the thermostat set point.
Indoor comfort may be compromised when heating is initiated using low entering air temperatures with insufficient
heating temperature rise.

W1

FIELD-INSTALLED
OUTDOOR-AIR THERMOSTAT

W2
a48-7481

TO UNIT THERMOSTAT
CONNECTIONS

Wiring of Outdoor-Air Thermostat
12. MOTOR DATA — Due to Bryant’s internal unit design
(draw-thru over the motor), air path, and specially designed
motors, the full horsepower (maximum continuous bhp)
listed in the Physical Data tables and the notes following
each Fan Performance table can be utilized with extreme
confidence.
Using Bryant motors to the values listed in the Physical
Data, Fan Performance, and Evaporator-Fan Motor Data
tables will not result in nuisance tripping or premature motor
failure. In addition, the unit warranty will not be affected.
13. THRU-THE-BOTTOM CONNECTIONS — The accessory
thru-the-bottom connections are needed to ensure proper
connections when routing wiring and piping through the
basepan and roof curb. This accessory is used for electric
and control power only or electric, control power, and gas
piping depending on which accessory is selected.
14. FIELD-SUPPLIED FAN DRIVES — If the factory drive sets
must be changed to obtain other wheel speeds, consult the
nearest Browning Manufacturing Co. sales office with the
required new wheel speed and the data from Physical Data
tables (center distances, motor and fan shaft diameters,
motor horsepower) for a modified drive set selection. For
minor speed changes, the fan sheave size should be
changed. (Do not reduce the size of the motor sheave; this
will result in reduced belt horse-power ratings and reduced
belt life.) All indoor fan pulleys are adjustable. See physical
data tables for rpm adjustment ranges.
15. CONDENSER COIL PROTECTION
a. PRE-COATED ALUMINUM FIN COILS have a durable
epoxy-phenolic coating applied to the fin prior to the fin
stamping process to provide protection in mildly corrosive coastal environments. Pre-coated coils have an
inert barrier between the aluminum fin and copper tube.
This barrier electrically disconnects the dissimilar metals
to minimize the potential for galvanic corrosion. This
economical option provides substantial corrosion protection beyond the standard uncoated coil construction.
b. COPPER-FIN COILS provide increased corrosion resistance in moderate coastal environments where industrial
air pollution is not present. All copper coils eliminate bimetallic construction to eliminate the potential for galvanic corrosion. Application in industrial environments is
not recommended due to potential attack from sulfur,
sulfur oxide, nitrogen oxides, carbon and several other
industrial airborne contaminants. In moderate seacoast
environments, copper-fin coils have extended life compared to standard or pre-coated aluminum-fin coils.

293

APPLICATION DATA (cont)
CONCENTRIC DUCT DISTRIBUTION

CONCENTRIC DUCT DETAILS
6'-2 3/8'' MAX.
5'-9 3/16'' MAX.

1'-10 11/16''
MAX.

5 3/16''
4'-6 13/16''

1'-0 3/16''

1'-7 15/16''
1'-0 3/16''
B
B

24'' MIN.

A

A

a50-530
a48-7482

BAFFLE

Shaded area indicates block-off panels.

NOTE: Do not drill in this area, damage to basepan may result in
water leak.

NOTE: Dimensions A, A′ and B, B′ are obtained from field-supplied
ceiling diffuser.

Concentric Duct Details
and enhances rooftop operation through reduced energy
consumption, optimal zone comfort, and efficient equipment cycling. This is accomplished by operating the compressors when the outdoor air temperature is too warm,
integrating the compressors with outdoor air when free
cooling is available, and locking out the compressor when
outdoor air temperature is too cold. The detailed sequence
of operation is described in the Controls section with a brief
description of selected application items here.
a. THERMOSTAT INTERFACE — The EconoMi$er IV control was designed to work with conventional thermostats
that have Y1 (cooling stage 1), Y2 (cooling stage 2), W1
(heat stage 1), W2 (heat stage 2), and G (fan). In addition, the EconoMi$er IV will support an occupied/
unoccupied switch (typically integrated into the thermostat or Thermidistat™ device). When the switch is
closed, it provides a 24-vac signal to the unit for occupied mode, and provides no signal to indicate unoccupied mode. The EconoMi$er IV control can be
configured to allow different minimum economizer
damper positions and to allow the use of mechanical
cooling in the occupied mode.

c. E-COATED ALUMINUM FIN coils undergo a precisely
controlled scientific process that bonds an impermeable
epoxy coating to the specially prepared fin coil surface.
E-Coating produces a smooth, consistent coating that is
less brittle, more resilient and more durable than previous postcoating processes. E-Coated aluminum-fin coils
offer economical protection and improved coil life in
many contaminated environments.
d. E-COATED COPPER-FIN COILS provide maximum
protection in virtually all environments, this option combines the continuous, impenetrable barrier of the ECoating process with the natural resistance of an all-copper construction. E-Coated copper-fin coil assemblies
ensure long life, even in environments that combine
harsh coastal conditions with industrial contamination.
16. ECONOMI$ER IV — The EconoMi$er IV factory-installed
economizer package includes a gear-driven damper system that modulates the return air and outdoor air supply to
the rooftop unit in order to take advantage of “free cooling”
with outdoor air when conditions are suitable. The system
utilizes industry proven technology available for integrating
the use of outdoor air for cooling with mechanical cooling
for 3 through 25-ton rooftop units. The intuitive
EconoMi$er IV microprocessor-based controller optimizes

CONDENSER COIL PROTECTION APPLICATIONS
DESCRIPTION
(Dura-Shield Option)

ENVIRONMENT
Standard, Non-Corrosive

Standard, Al/Cu
Pre-Coated Al/Cu
Cu/Cu
E-Coated Al/Cu
E-Coated Cu/Cu
Al/Cu
Cu/Cu
Dura-Shield

—
—
—

Aluminum Fin with Copper Tube Coil
Copper Fin with Copper Tube Coil
Family of Coil Protection Options

Mild Coastal

Severe Coastal

Industrial

Combined Coastal
and Industrial

X

X

X
X
X
X
LEGEND
E-Coated

— Extremely Flexible and Durable Epoxy Coating Uniformly
Applied to the Coil Surfaces
Pre-Coated — Epoxy Coating Applied to Fin Stock Material

294

APPLICATION DATA (cont)
b. CONTROL FEATURES — The EconoMi$er IV controller
provides superior functionality for rooftop unit operation.
EconoMi$er IV control features are included as follows:
Remote Minimum Position — The EconoMi$er IV controller can be used with a field-supplied and fieldinstalled remote minimum position control switch that will
enable and disable the EconoMi$er IV to open or close
the damper beyond the minimum position for modified
ventilation, providing 2 to 10 vdc output.
NOTE: Minimum position signal takes priority over the
DCV (demand control ventilation) maximum position
signal.
Demand Control Ventilation (DCV) — The EconoMi$er
IV has DCV capability when using an IAQ sensor. This
sensor is typically installed in the return duct or occupied
space. When implementing a DCV control scheme with
the EconoMi$er IV, the control algorithm will modulate
the position of the damper between two user-configured
damper positions, Maximum DCV Position and Minimum
Occupied position. Design airflow rates for these two
damper positions should be such that when the damper
is at the Maximum DCV position, enough fresh ventilation air will be brought in to remove contaminants and
CO2 generated by sources other than people (i.e., since
in unoccupied mode). The Maximum DCV position is
intended to satisfy the IAQ “Base Ventilation Rate.” The
Minimum Occupied position design airflow rate should
be sufficient to satisfy ventilation requirements for
removing CO2 from all sources including people at the
maximum occupancy.
IAQ Sensors — EconoMi$er IV can be utilized with any
IAQ (CO2) sensor that provides a 2 to 10 vdc output. The
controller will modulate the outdoor air damper to provide ventilation based on the sensor output and the IAQ
setting of the controller. When used, an IAQ sensor will
modulate the damper from the minimum position (base
ventilation rate based on CO2 levels) to maximum position (full occupancy ventilation rate).
Damper Operation — The EconoMi$er IV allows the
damper to be configured for two adjustable damper positions including maximum position and occupied minimum positions. The two (2) position damper capability is
a unique feature of EconoMi$er IV and includes operation flexibility as follows:
1. Minimum Occupied Position: This adjustable position
allows a minimum ventilation (base ventilation rate)
airflow rate through the unit during occupied periods.
2. Demand Control Ventilation (DCV) Maximum Position: A DCV maximum occupied position is provided
when using an IAQ sensor for DCV. See DCV and
Control sections for sequence. The DCV Maximum
Position limits outdoor airflow into the rooftop when
the DCV routine overrides the mixed air sensor. Setting the DCV Maximum Position of the outdoor air
damper prevents large amounts of hot or cold air into
the space.
IMPORTANT: When the DCV Maximum Position is set
below the minimum position, the minimum position
overrides the maximum position, negating most DCV
functions.
Power Exhaust — The EconoMi$er IV has the capability
to control one stage of power exhaust for maintaining air
balance and pressurization. Control is activated based
on outdoor air damper position (adjustable); factory-set
at the “middle” position (dampers halfway open).

Compressor Staging — The EconoMi$er IV is an integrated economizer and has the ability to utilize simultaneous outdoor air and compressors. The EconoMi$er IV
can be configured to support economizer and compressor operation. Only one or two compressor operation is
available with 3 to 121/2 ton units.
c. CHANGEOVER STRATEGIES — The EconoMi$er IV
controller can be configured to accommodate all available economizer control strategies that place the rooftop
unit in economizer mode including:
Remote Minimum Position — Used when a remote signal from a remote minimum position control will enable
and disable the EconoMi$er IV (remote enable control).
Outdoor Dry Bulb — EconoMi$er IV will be enabled
based on the outdoor-air temperature. This is provided
standard with the EconoMi$er IV.
Differential Dry Bulb — EconoMi$er IV will be enabled
whenever the outdoor-air temperature is lower than the
return-air temperature.
Outside Air Enthalpy — EconoMi$er IV will be enabled
based on the outside air enthalpy curves as shown in the
EconoMi$er IV Changeover diagram below. The A, B,
C, and D curves shown have been in use for many years
and have been included as part of the latest
ASHRAE 90.1 energy efficiency code. The curves are
designed to take into consideration both outdoor temperature and humidity. These curves are used to set up the
EconoMi$er IV controller to use the EconoMi$er IV for
free cooling when the conditions to the left of the curve
exist. When the conditions are to the right of the curve,
then outdoor air cooling will not be used and the outdoor
air damper position will be set at the minimum position.
Deciding which curve is used is a function of the outdoor
climate and the type of economizer utilized. Since
EconoMi$er IV is a fully integrated economizer, the
range where outdoor air can be utilized for free cooling is
expanded and the A and B curves may be used. The
control point table in the EconoMi$er IV Changeover diagram below provides assistance for whether the A and B
curves will be suitable. In general terms, a hot and humid
climate may be a reason not to use the A curve, while a
cooler climate might be more applicable for using the A
or B curve.
The EconoMi$er IV has expanded outdoor air capability.
For a changeover economizer which cannot utilize
simultaneous economizer and compression, both A and
B curves would potentially be undesirable since the temperature and humidity levels are too high without compression assistance to provide effective cooling.
Therefore, most changeover economizers utilize the D
curve.
Differential Enthalpy — The EconoMi$er IV will be
enabled based on the comparison of the enthalpy of the
return air and outside air. When the outside air enthalpy
is lower than he return side, the unit will be in economizer mode.
Using the EconoMi$er IV controller for implementing
different control changeover strategies requires the use
of different combinations of dry bulb and humidity
sensors as outlined in the EconoMi$er IV Sensor Usage
table.

295

APPLICATION DATA (cont)

46

85
90
95 100 105 110
(29) (32) (35) (38) (41) (43)

44

CONTROL CONTROL POINT
CURVE
APPROX. °F (°C)
AT 50% RH
73 (23)
A
70 (21)
B
67 (19)
C
63 (17)
D

HU

36

75
(24)

RE

30

U

70
(21)

16
12

14

50
(10)

40
(4)

45
(7)

A

30

18

55
(13) B

40

20

60
(16)

50

22

60

70

24

65
(18)

80

10
0
90

8

EN
TH
AL
26 PY
—
2 BT

LA
TIV
E

32

PE
R

34

PO
UN
D

M ID

DR
Y

ITY

38

AI
R

(%
)

40

42

80
(27)

C

20

D
10

35
(2)

B A
D C
35
(2)

40
(4)

45
(7)

50
(10)

55
60
65
70
75
80
85
90
95 100 105 110
(13) (16) (18) (21) (24) (27) (29) (32) (35) (38) (41) (43)

HIGH LIMIT
CURVE

a50-7751

APPROXIMATE DRY BULB TEMPERATURE— °F (°C)

Economizer Changeover Curves

ECONOMI$ER IV SENSOR USAGE CHART
APPLICATION
Outdoor Air Dry Bulb
Differential Dry Bulb
Single Enthalpy
Differential Enthalpy

ECONOMI$ERIV WITH OUTDOOR AIR
DRY BULB SENSOR
Accessories Required
None. The outdoor air dry bulb sensor is factory installed.
CRTEMPSN002A00*
HH57AC078
HH57AC078
and
CRENTDIF004A00*

ECONOMI$ERIV WITH SINGLE
ENTHALPY SENSOR
Accessories Required
CRTEMPSN002A00*
(2) CRTEMPSN002A00*
None. The single enthalpy sensor is factory installed.

CO2 for DCV Control using a
Wall-Mounted CO2 Sensor

CGCDXSEN004A00

CO2 for DCV Control using a
Duct-Mounted CO2 Sensor

CGCDXSEN004A00†
and
CGCDXASP001A00**

CRENTDIF004A00*

*CRENTDIF004A00 and CRTEMPSN002A00 accessories are used on many different base units. As such, these kits may contain parts that will not be needed
for installation.
†CGCDXSEN004A00 is an accessory CO2 sensor.
**CGCDXASP001A00 is an accessory aspirator box required for duct-mounted applications.

296

297

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
UNIT MUST BE INSTALLED IN ACCORDANCE
WITH INSTALLATION INSTRUCTIONS

Copyright 2007 Bryant Heating & Cooling Systems

Printed in U.S.A.

3/07 Catalog No. PDS580F-36-4



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