50TFQ008 012 50tfq C3pd

User Manual: 50TFQ008-012

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Features/Benefits
Table of Contents
Model Number Nomenclature
Ratings Summary
Physical Data (SI)
Physical Data (English)
Options and Accessories
Base Unit Dimensions
Accessory Dimensions
Selection Procedure (With 50TFQ008 Example) - SI
Selection Procedure (With 50TFQ008 Example) - English
Performance Data
Electrical Data
Typical Piping and Wiring
Controls
Typical Wiring Schematic
Application Data
Guide Specifications

Single-package standard efficiency

rooftop heat pumps with:

• State-of-the-art defrost system

• Dependable 4-way valve operation

• Refrigerant filter strainer and

accumulator

• Field-installed electric heaters

available

• Advanced hermetic compressors

mounted on vibration isolators

• Factory-installed Apollo communi-

cating controls, non-fused discon-

nect switch available

Features/Benefits

The 50TFQ standard

efficiency rooftop product

line combines advanced

technology with

serviceability, performance,

and flexibility.

State-of-the-art defrost system

uses time and temperature to keep the

outdoor coil frost-free for economical,

dependable operation.

Dependable 4-way valve opera-

tion safely and efficiently accomplish-

es cycle reversals, defrost, and normal

operation.

Refrigerant filter strainer and ac-

cumulator ensure performance

dependability and circuit protection.

Field-installed electric heaters

available in a wide range of capaci-

ties. Single-point wiring kit makes

installation simple.

NOTE: Some electric heater applica-

tions not available for use with

factory-installed disconnect switch.

50TFQ008-012

Single-Package

Standard Efficiency

Rooftop Heat Pump Units

50 Hz

Nominal Capacities: 26.4 to 35.2 kW

(71/2to 10 Nominal Tons)

Product

Data

50TFQ008-012

Easy conversion from vertical to

horizontal discharge to make retro-

fit and add-on jobs easier. To convert

from vertical to horizontal discharge,

simply interchange 2 panels. The same

basic unit can be used for a variety of

applications and can be quickly modi-

fied at the jobsite. All units are factory

shipped in the vertical discharge con-

figuration for fit-up to standard roof

curbs. The contractor can order and in-

stall the roof curbs early in the con-

struction stage, before decisions on

exact size requirements have been

made.

Prepainted galvanized steel cabi-

net with baked enamel finish is

capable of withstanding U.S.A. Test

Method Standard No. 141 (Method

6061) 500-hour salt spray test. Paint

finish is non-chalking type. All internal

cabinet panels are primed, allowing the

entire unit to have a longer life and a

more attractive appearance.

Single continuous top panel elimi-

nates any possibility of leaking at the

seams or gaskets, which tend to deteri-

orate over time and shift during rigging

procedures.

Heavy gage roll-formed base rails

with forklift and rigging holes are

integral to the unit and provide easier

maneuvering and installation. Forklift

slots are on 3 sides of the unit. Stretch-

wrap packaging protects the unit dur-

ing shipment and storage.

Exclusive tool-less removal for

the filter access panel allows the

replacement of filters without the need

for any tools.

Fifty-one mm (2-in.) return-air fil-

ters are the standard throwaway type,

easily accessed and replaced through

the filter access panel located directly

above the air intake hood.

Thru-the-bottom electrical con-

nection capability allows power and

control wiring to be routed through the

unit basepan, thereby minimizing roof

penetrations.

Color-coded electrical wiring per-

mits easy tracing and diagnostics.

Advanced hermetic compressors

mounted on vibration isolators for

additional sound integrity and structur-

al support.

Enhanced copper tube, alumi-

num plate fin coils are thoroughly

leak and pressure tested at the factory.

Outdoor coils have louvered, aluminum

lanced fins to provide maximum heat

transfer for optimum efficiency and

easy cleaning.

Acutrol™ refrigerant metering

system precisely controls refrigerant

flow, preventing slugging and flood-

back, while maintaining optimum unit

performance.

Corrosion-resistant sloped con-

densate pan reduces possibility of

biological growth and is in conform-

ance of ASHRAE (American Society

of Heating, Refrigeration, and Air

Conditioning Engineers) Standard 62

to meet many Indoor-Air Quality (IAQ)

specifications. The condensate drain

pan offers both bottom and end drain

capability to minimize roof penetra-

tions. The bottom drain can be used in

conjunction with the thru-the-bottom

connections. An external trap must be

field supplied.

Commercial duty motors with

permanently lubricated bearings

provide additional dependability.

Standard low ambient cooling

operation to –4 C (25 F). Optional

head pressure control kit available for

outdoor ambient conditions to –17 C

(0° F).

Factory run test printout included

with each unit, providing certifica-

tion of the unit’s status at the time of

manufacture. Printout includes test

pressures, amperages, dates, and

inspectors. Every unit is thoroughly run

tested at the factory in each operating

mode and evacuated prior to final

charging. Every coil is then leak-tested

with helium. Automated run testing

allows accurate, undisputed tests and

measurements which are second to

none in the industry.

Ease of serviceability on all refriger-

ant access ports allow for quick and

accurate measurements to take place.

Single-side utility connections provide

easy access to perform necessary

service. Indoor motors are accessible

through a single access door to facili-

tate servicing and adjustments after

installation. Compressors are easily

accessible for troubleshooting and

system analysis.

Factory-installed Apollo commu-

nicating control (available as an

option), designed exclusively by

Carrier, actively monitors all modes of

operation as well as indoor fan status,

filter status, indoor-air quality, supply-

air temperature, and outdoor-air tem-

perature. The Apollo control board is

installed in the rooftop unit control box

and comes equipped with built-in diag-

nostic capabilities. Light-emitting

diodes (LEDs) simplify troubleshooting

by indicating thermostat commands for

both stages of heating and cooling,

indoor (evaporator) fan operation, and

economizer operation. The Apollo

communicating control is designed to

work specifically with Carrier TEMP

and VVT®thermostats.

Table of contents

Page

Features/Benefits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1,2

Model Number Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Ratings Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Physical Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4,5

Options and Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-8

Base Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Accessory Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Selection Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11,12

Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13-29

Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Typical Piping and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32,33

Typical Wiring Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34,35

Application Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Guide Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37-39

Ratings summary

LEGEND

NOTE: Ratings are net values adjusted for the effects of indoor-fan motor heat. Ratings are based on:

Cooling Standard: 27 C (80 F) db, 19 C (67 F) wb indoor entering-air temperature and 35 C

(95 F) db outdoor entering-air temperature.

High-Temp Heating Standard: 21 C (70 F) db indoor entering-air temperature and 8 C (47 F)

db, 6 C (43 F) wb outdoor entering-air temperature.

Low-Temp Heating Standard: 21 C (70 F) db indoor entering-air temperature and –8 C (17 F)

db, –9 C (15 F) wb outdoor entering-air temperature.

UNIT

50TFQ

NOMINAL

TONS

AIRFLOW QUANTITIES

(Nominal) NET CAPACITIES

L/s Cfm

Cooling Heating

kW MBtuh High Low

kW MBtuh kW MBtuh

008 26.4 7.5 1200 2600 21.3 73.0 19.3 66.0 8.7 30.0

009 29.9 8.5 1415 3000 23.4 80.0 21.6 74.0 10.8 37.0

012 35.2 10 1600 3400 26.9 92.0 24.3 83.0 12.8 44.0

db — dry bulb

MBtuh — Btuh x 1000

wb — wet bulb

Model number nomenclature

LEGEND

*Refer to 50TFQ Product Ordering Data or contact your local Carrier rep-

resentative for 50TFQ Factory-Installed Option code table.

Al — Aluminum

Cu — Copper

Quality Assurance

LEGEND

Al — Aluminum

*Indoor coil fin material/outdoor coil fin material.

†Weight of 356 mm roof curb.

NOTE: The 50TFQ units have a loss-of-charge/low-pressure switch

located in the liquid line.

UNIT SIZE 50TFQ 008 009 012

NOMINAL CAPACITY(kW) 26.4 29.9 35.2

OPERATINGWEIGHT (kg)

Unit

Al/Al*426 438 460

Durablade Economizer 20 20 20

Roof Curb† 65 65 65

COMPRESSOR Hermetic

Quantity 222

Oil (ml) 1331 ea 1597 ea 1597 ea

REFRIGERANT TYPE R-22

Operating Charge (kg)

Circuit 1 2.67 3.60 3.45

Circuit 2 2.72 3.70 3.45

OUTDOOR COIL Enhanced Copper Tubes, Aluminum Lanced Fins, Acutrol™ Metering Device

Rows...Fins/m 1...669 2...669 2...669

Total Face Area (sqm) 1.90 1.67 1.70

OUTDOOR FAN Propeller Type

Nominal L/s 2880 2880 2880

Quantity...Diameter (mm) 2...559 2...559 2...559

Motor BkW...r/s .19...15.5 .19...15.5 .19...15.5

Watts Input (Total) 500 500 500

INDOOR COIL Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Acutrol Metering Device

Rows...Fins/m 3...590 3...590 3...590

Total Face Area (sqm) 0.74 0.74 1.03

INDOOR FAN Centrifugal Type

Quantity...Size (mm x mm) 1...381 x 381 1...381 x 381 1...381 x 381

Type Drive Belt Belt Belt

Nominal L/s 1200 1415 1600

Motor kW 1.12 1.12 1.50

Maximum Continuous BkW 1.79 1.79 2.16

Motor Frame Size 56 56 56

Fan r/s Range 10.33-14.67 10.33-14.67 11.50-15.00

Motor Bearing Type Ball Ball Ball

Maximum Allowable r/s 26.7 26.7 26.7

Motor Pulley Pitch Diameter Min/Max (mm) 61/86 61/86 86/112

Nominal Motor Shaft Diameter (mm) 16 16 16

Fan Pulley Pitch Diameter (mm) 140 140 178

Nominal Fan Shaft Diameter (mm) 25 25 25

Belt, Quantity...Type...Length (mm) 1...A...1219 1...A...1219 1...A...1295

Pulley Center Line Distance (mm) 406 406 495

Speed Change per Full Turn of

Moveable Pulley Flange (r/s) .83 .83 .67

Moveable Pulley Maximum Full Turns

From Closed Position 555

Factory Setting 555

Factory Speed Setting (r/s) 10.33 10.33 11.50

Fan Shaft Diameter at Pulley (mm) 25 25 25

HIGH-PRESSURE SWITCH (kPa)

Standard Compressor Internal Relief (Differential) 3103 ± 345

Cutout 2951

Reset (Auto.) 2206

LOSS-OF-CHARGE (LOW-PRESSURE) SWITCH (kPa)

Cutout 48 ± 21

Reset (Auto.) 152 ± 48

FREEZE PROTECTION THERMOSTAT (C)

Opens –1 ± 3

Closes 7±3

OUTDOOR-AIR INLET SCREENS Cleanable

Quantity...Size (mm) 1...508 x 635 x 25

1...406 x 635 x 25

RETURN-AIR FILTERS Throwaway

Quantity...Size (mm) 4...406 x 558 x 51 4...406 x 508 x 51 4...508 x 508 x 51

Physical data (SI)

LEGEND

*Indoor coil fin material/outdoor coil fin material.

†Weight of 14-in. roof curb.

NOTE: The 50TFQ units have a loss-of-charge/low-pressure switch

located in the liquid line.

UNIT SIZE 50TFQ 008 009 012

NOMINAL CAPACITY(tons) 71/281/210

OPERATINGWEIGHT (lb)

Unit

Al/Al*940 965 1015

Durablade Economizer 44 44 44

Roof Curb† 143 143 143

COMPRESSOR Hermetic

Quantity 222

Oil (oz) 45 ea 54 ea 54 ea

REFRIGERANT TYPE R-22

Operating Charge (lb-oz)

Circuit 1 5-14 7-6 7-10

Circuit 2 6- 0 8-3 7-10

OUTDOOR COIL Enhanced Copper Tubes, Aluminum Lanced Fins, Acutrol™ Metering Device

Rows...Fins/in. 1...17 2...17 2...17

Total Face Area (sqft) 20.50 18.00 18.30

OUTDOOR FAN Propeller Type

Nominal Cfm 6500 6500 6500

Quantity...Diameter (in.) 2...22 2...22 2...22

Motor Hp...Rpm 1/4...1100 1/4...1100 1/4...1100

Watts Input (Total) 500 500 500

INDOOR COIL Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Acutrol Metering Device

Rows...Fins/in. 3...15 3...15 3...15

Total Face Area (sqft) 8.0 8.0 11.1

INDOOR FAN Centrifugal Type

Quantity...Size (in.) 1...15 x 15 1...15 x 15 1...15 x 15

Type Drive Belt Belt Belt

Nominal Cfm 2600 3000 3400

Motor Hp 11/211/22

Maximum Continuous Bhp 2.40 2.40 2.90

Motor Frame Size 56 56 56

Fan Rpm Range 620-880 620-880 690-900

Motor Bearing Type Ball Ball Ball

Maximum Allowable Rpm 1600 1600 1600

Motor Pulley Pitch Diameter Min/Max (in.) 2.4/3.4 2.4/3.4 3.4/4.4

Nominal Motor Shaft Diameter (in.) 5/85/85/8

Fan Pulley Pitch Diameter (in.) 5.5 5.5 7.0

Nominal Fan Shaft Diameter (in.) 1.0 1.0 1.0

Belt, Quantity...Type...Length (in.) 1...A...48 1...A...48 1...A...51

Pulley Center Line Distance (in.) 16 16 19.5

Speed Change per Full Turn of

Moveable Pulley Flange (rpm) 50 50 41

Moveable Pulley Maximum Full Turns

From Closed Position 555

Factory Setting 555

Factory Speed Setting (rpm) 620 620 690

Fan Shaft Diameter at Pulley (in.) 111

HIGH-PRESSURE SWITCH (psig)

Standard Compressor Internal Relief (Differential) 450 ± 50

Cutout 428

Reset (Auto.) 320

LOSS-OF-CHARGE (LOW-PRESSURE) SWITCH (psig)

Cutout 7±3

Reset (Auto.) 22 ± 5

FREEZE PROTECTION THERMOSTAT (F)

Opens 30 ± 5

Closes 45 ± 5

OUTDOOR-AIR INLET SCREENS Cleanable

Quantity...Size (in.) 1...20 x 25 x 1

1...16 x 25 x 1

RETURN-AIR FILTERS Throwaway

Quantity...Size (in.) 4...16 x 20 x 2 4...16 x 20 x 2 4...20 x 20 x 2

Al — Aluminum

Bhp — Brake Horsepower

Physical data (English)

*Factory installed.

†Field installed.

**Accessory single-point kit is required for size 008-012 units using electric heat.

ITEM OPTION*ACCESSORY†

Apollo Communicating Controls X

Non-Fused Disconnect Switch X

Durablade Integrated Economizer XX

Electric Heat** X

Manual Outdoor-Air Damper (25%Open) X

Manual Outdoor-Air Damper (50%Open) X

Outdoor Coil Grille X

25%Open Two-Position Damper X

100%Open Two-Position Damper X

Roof Curbs (Vertical and Horizontal Discharge) X

Thermostats and Subbases X

Emergency Heat Package X

Motormaster® II Head Pressure Control X

Logo Kit X

Time Guard® II Control Circuit X

Thru-the-Bottom Service Connections X

Electronic Programmable Thermostat X

Accusensor™ II Enthaply Control X

Accusensor III Enthalpy Sensor X

Outdoor Coil Hail Guard Assembly X

Fan/Filter Status X

Salt Spray Protection Grille X

Pre-Coated Aluminum Fin Coils X

Copper-Fin Coils X

Options and accessories

ELECTRONIC PROGRAMMABLE THERMOSTAT

Carrier’s electronic programmable thermostat pro-

vides efficient temperature control by allowing you to

program heating and cooling setbacks and set ups with

provisions for weekends and holidays. Accessory

remote sensing package is also available to provide

tamperproof control in high traffic spaces. Used in con-

junction with factory-installed Apollo control, this ther-

mostat provides a 5-minute recycle timer between

modes of operation for short-cycle protection.

EMERGENCY HEAT CONTROL PACKAGE

Emergency heat control package allows emergency operation

of electric heat and fans by bypassing compressor circuits and

outdoor thermostats.

MOTORMASTER II

TIME GUARD II CONTROL

Time Guard II Control automatically prevents com-

pressor from restarting for at least 5 minutes after a

shutdown. Accessory prevents short cycling of com-

pressor if thermostat is rapidly changed. Time Guard II

device mounts in the control compartment of unit.

HEAD PRESSURE CONTROL

The 50TFQ standard units are designed to operate in

cooling at outdoor temperatures down to –4 C (25 F).

With accessory Motormaster II control (outdoor-fan

speed), units can operate at outdoor temperatures

down to –17 C (0° F). The head pressure control,

which mounts in the outdoor section, cycles the

outdoor-fan motor to maintain correct condensing

temperature.

MOTORMASTER II

ELECTRIC HEATER

Electric heaters are available in a wide range

of capacities for field installation.

THERMOSTAT

Zone thermostat (24 v) provides one- or 2-stage

cooling for control of unit. Matching subbases are

available with or without tamperproof switches and

automatic changeover.

HAIL GUARD, OUTDOOR COIL

SALT SPRAY PROTECTION

Hail guard accessory protects coils against damage from hail

and other flying debris (field installed). Coil guard accessory

(field installed) protects coils from salt spray induced corrosion in

coastal areas. Utilizes a replaceable filter.

COIL GRILLE

Coil Grille protects coils against large objects and vandalism.

UNIT-MOUNTED DISCONNECT

Factory-installed, internally mounted, NEC (U.S.A. Standard) and UL

(Underwriters’ Laboratories) approved non-fused switch provides

unit power shutoff. May not be used with certain electric heat sizes.

FACTORY-INSTALLED APOLLO

COMMUNICATING CONTROLS

The Apollo direct digital controls are designed exclusively by

Carrier, and are used to actively monitor and control all modes of

operation as well as to monitor evaporator-fan status, filter status,

supply-air temperature, outdoor-air temperature, and indoor-air

quality. They are designed to work in conjunction with Carrier

TEMP and VVT®system thermostats.

Options and accessories (cont)

MINIMUM

POSITION

OPEN

REV.B

198818A

DCBA

60 65 70

50 85

DAMPER

CLOSED

OPEN

OUTDOOR TEMP.°F

REV

97-3672

CW–SETPOINTS–CCW

CONTACTSSHOWN IN HIGH ENTHALPY

RUSHAT24VAC

3mAMIN. A

1 VDC

CONTACT RATINGS: 1.5A RUN, 3.5A IN

OR UNPOWERED STATE

TR1

24VAC

ENTHALPY CONTROL

Accusensor economizer controls help provide efficient, economi-

cal economizer operation. The Accusensor I dry-bulb sensor mea-

sures outdoor temperature and is standard with the Durablade

economizer. The accessory Accusensor II solid-state enthalpy

control senses both dry and wet bulb of the outdoor air to provide

an accurate enthalpy reading. Accusensor II is available as a field-

installed accessory for the Durablade economizer. The accessory

Accusensor III differential enthalpy control compares outdoor tem-

perature and humidity to return-air temperature and humidity and

determines the most economical mixture of air. Accusensor III

is available as a field-installed accessory for the Durablade

economizer.

ACCUSENSOR™ II

ACCUSENSOR III

DURABLADE ECONOMIZER

Exclusive Durablade economizer damper design saves

energy while providing economical and reliable cooling. A

sliding plate on the face of the economizer controls the

amount of outdoor air entering the system. Closed, it pro-

vides a leakproof seal which prevents ambient air from seep-

ing in or conditioned air from seeping out. It can be easily

adjusted for 100% outdoor air or any proportions of mixed air.

Like the base unit, the economizer is easily converted for

horizontal discharge applications.

Base unit dimensions

UNIT

50TFQ

STANDARD

UNIT

WEIGHT

ECONOMIZER

WEIGHT

(DURABLADE)

CORNER

WEIGHT

(A)

CORNER

WEIGHT

(B)

CORNER

WEIGHT

(C)

CORNER

WEIGHT

(D)

“H” “J”“K”

Lb KgLb KgLbKgLbKgLbKgLbKg ft-in. mm ft-in. mm ft-in. mm

008 940 426 44 20 207 94 178 81 254 115 301 136 2- 07/8632 3-55/16 1050 2-911/16 856

009 965 438 44 20 212 96 183 83 261 119 309 140 2- 07/8632 3-55/16 1050 2-911/16 856

012 1015 460 44 20 223 101 193 88 274 124 325 147 2-107/8885 4-15/16 1253 3-03/8924

4. Ductwork to be attached to accessory roof curb only.

5. Minimum clearance (local codes or jurisdiction may prevail):

a. Bottom to combustible surfaces (when not using curb) 0 in. [0], on

horizontal discharge units with electric heat 1 in. [25] clearance to

ductwork for 1 ft. [.3 m]

b. Outdoor coil, for proper airflow, 36 in. [914] one side, 12 in. [305]

the other. The side getting the greater clearance is optional.

c. Overhead, 60 in. [1524] to assure proper outdoor fan operation.

d. Between units, control box side, 42 in. [1067] per NEC (National

Electrical Code).

e. Between unit and ungrounded surfaces, control box side, 36 in.

[914] per NEC.

f. Between unit and block or concrete walls and other grounded sur-

faces, control box side, 42 in. [1067] per NEC.

g. Horizontal supply and return end, 0 inches.

6. With the exception of the clearance for the outdoor coil and combusti-

bles as stated in Notes 5a, b, and c, a removable fence or barricade

requires no clearance.

7. Units may be installed on combustible floors made from wood or class

A, B, or C roof covering material.

8. The vertical center of gravity is 1′-71/2″[495] for 008 and 009, 2′-0″[610]

for 012 up from the bottom of the base rail.

CONNECTION SIZES

A13/8″Dia. [35] Field Power Supply Hole

B21/2″Dia. [64] Power Supply Knockout

C13/4″Dia. [44] Charging Port Hole

D7/8″Dia. [22] Field Control Wiring Hole

E3/4″— 14 NPT Condensate Drain

F2″Dia. [51] Power Supply Knockout

BOTTOM POWER CHART, THESE HOLES REQ’D FOR USE WITH

ACCESSORY PACKAGES — CRBTMPWR001A00 (1/2″,3/4″)OR

CRBTMPWR002A00 (1/2″,1

1/4″)

*Select either 3/4″or 11/4″for power, depending on wire size.

THREADED

CONDUIT SIZEWIRE USE REQ’DHOLE

SIZES (Max.)

1/2″24 V 7/8″[22.2]

3/4″Power* 11/8″[28.4]

11/4″Power* 13/4″[44.4]

NOTES:

1. Dimensions in [ ] are in millimeters.

2. Center of gravity.

3. Direction of airflow.

Accessory dimensions

CONNECTOR

PKG.ACCY.BC

DALT

DRAIN

HOLE

GAS POWER CONTROL

CRBTMPWR001A00

2′-87/16″

[827]

1′-1015/16″

[583]

13/4″

[44.5]

3/4″

[19] NPT

3/4″[19] NPT) 1/2″

[12.7]

CRBTMPWR002A00 11/4″[31.7]

CRBTMPWR003A00 1/2″

[12.7] NPT 3/4″[19] NPT 1/2″

[12.7]

CRBTMPWR004A00 3/4″

[19] NPT 11/4″[31.7]

NOTES:

1. Roof curb accessory is shipped disassembled.

2. Insulated panels: 25.4 mm (1-in.) thick polyure-

thane foam, 0.5 kg (13/4lb) 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 1219.2 mm (4 ft) on each

side.

7. Direction of airflow.

8. Connector packages CRBTMPWR001A00 and

2A00 are for thru-the-curb gas type. Packages

CRBTMPWR003A00 and 4A00 are for thru-

the-bottom type gas connections.

ROOF CURB

ACCESSORY“A” UNIT SIZE

50TFQ

CRRFCURB003A00 1′-2″[356] 008-012

CRRFCURB004A00 2′-0″[610]

ROOF CURB 50TFQ008-012

I Determine cooling and heating requirements

at design conditions.

Given:

Required Cooling Capacity (TC) . . . . . . . . . 23 kW

Sensible Heat Capacity (SHC) . . . . . . . . . . 14 kW

Required Heating Capacity . . . . . . . . . . . . 21 kW

Outdoor Entering-Air Temperature . . . . . . . . 32 C

Outdoor-Air Winter Design Temperature . . . –12 C

Indoor-Air Winter Design Temperature . . . . . 21 C

Indoor Entering-Air Temperature . . . . 26.7 C, edb

20 C, ewb

Indoor-Air Quantity . . . . . . . . . . . . . . . . 1200 L/s

External Static Pressure . . . . . . . . . . . . . . .185 Pa

Electrical Characteristics (V-Ph-Hz) . . . . . 380-3-50

II Select unit based on required cooling capacity.

Enter Cooling Capacities table at outdoor entering

temperature of 32 C, indoor air entering at

1200 L/s and 20 C ewb. The 50TFQ008 unit will

provide a total cooling capacity of 25.6 kW and a

sensible heat capacity of 15.7 kW.

For indoor-air temperature other than 26.7 C edb,

calculate sensible heat capacity correction, as

required, using the formula found in Note 3 follow-

ing the cooling capacities tables.

NOTE: Unit ratings are gross capacities and do not

include the effect of indoor-fan motor heat. To cal-

culate net capacities, see Step V.

III Select electric heat.

Enter the Instantaneous and Integrated Heating Rat-

ings table at 1200 L/s. At 21 C return indoor air

and –12 C air entering outdoor coil, the integrated

heating capacity is 9.5 kW. (Select integrated heat-

ing capacity value since deductions for outdoor-coil

frost and defrosting have already been made. No

correction is required.)

The required heating capacity is 21 kW. Therefore,

11.5 kW (21 – 9.5) additional electric heat is

required.

Enter the Electric Heating Capacities table for

50TFQ008 at 400-3-50, 3 phase. The 11.5 kW

heater at 400 v most closely satisfies the heating

required. To calculate kW at 380 v, use the Multipli-

cation Factors table.

11.5 kW x .902 = 10.4 kW

Total unit heating capacity is 19.9 kW (9.5 + 10.4).

IV Determine fan speed and power requirements

at design conditions.

Before entering Fan Performance tables, calculate

the total static pressure required based on unit com-

ponents. From the given and the Pressure Drop

tables on page 28, find:

Enter the Fan Performance table for 50TFQ008 ver-

tical discharge. Find fan R/s and BkW at 199 Pa and

1200 L/s. Note that the fan speed is 12.6 R/s and

power required is 1.05 BkW. The standard 1.12 kW

motor is satisfactory.

To determine the input power to the motor, use the

Indoor-Fan Motor Efficiency table on page 28.

V Determine net capacities.

Capacities are gross and do not include the effect of

indoor-fan motor (IFM) heat.

Determine net cooling capacity as follows:

Net capacity = Total capacity – IFM heat

= 25.6 kW – (1.9 kW)

= 23.7 kW

Net sensible capacity = 15.7 kW – 1.9 kW

= 14.1 kW

Determine net heating capacity as follows:

Net capacity = Total capacity + IFM heat

= 19.9 kW + 1.9 kW

= 21.8 kW

External static pressure 185 Pa

Economizer 6 Pa

Electric heat 8 Pa

Total static pressure 199 Pa

IFM Watts = 1.05

.80

=1.9 kW

Selection procedure

(with 50TFQ008 example) — SI

I Determine cooling and heating requirements

at design conditions.

Given:

Required Cooling Capacity (TC) . . . . .78,000 Btuh

Sensible Heat Capacity (SHC) . . . . . .51,000 Btuh

Required Heating Capacity . . . . . . . .72,000 Btuh

Outdoor Entering-Air Temperature . . . . . . . . .95 F

Outdoor-Air Winter Design Temperature . . . . .10 F

Indoor-Air Winter Design Temperature . . . . . .70 F

Indoor Entering-Air Temperature . . . . . . 80 F, edb

67 F, ewb

Indoor-Air Quantity . . . . . . . . . . . . . . . . 2600 cfm

External Static Pressure . . . . . . . . . . . . . 70 in. wg

Electrical Characteristics (V-Ph-Hz) . . . . . 380-3-50

II Select unit based on required cooling capacity.

Enter Cooling Capacities table at outdoor entering

temperature of 95 F, indoor air entering at

2600 cfm and 67 F ewb. The 50TFQ008 unit will

provide a total cooling capacity of 83,400 Btuh and

a sensible heat capacity of 56,200 Btuh.

For indoor-air temperature other than 80 F edb, cal-

culate sensible heat capacity correction, as required,

using the formula found in Note 3 following the

cooling capacities tables.

NOTE: Unit ratings are gross capacities and do not

include the effect of indoor-fan motor heat. To cal-

culate net capacities, see Step V.

III Select electric heat.

Enter the Instantaneous and Integrated Heating Rat-

ings table at 2600 cfm. At 70 F return indoor air

and 10 F air entering outdoor coil, the integrated

heating capacity is 32,200 Btuh. (Select integrated

heating capacity value since deductions for outdoor-

coil frost and defrosting have already been made.

No correction is required.)

The required heating capacity is 72,000 Btuh.

Therefore, 39,800 Btuh (72,000 – 32,200) addi-

tional electric heat is required.

Determine additional electric heat capacity in kW.

Enter the Electric Heating Capacities table for

50TFQ008 at 400-3-50. The 11.5 kW heater at

400 v most closely satisfies the heating required. To

calculate kW at 380 v, use the Multiplication Factors

table.

11.5 kW x .902 = 10.4 kW

11.5 kW x .902 x 3413 = 35,403 Btuh

Total unit heating capacity is 67,603 Btuh (32,200

+ 35,403).

IV Determine fan speed and power requirements

at design conditions.

Before entering Fan Performance tables, calculate

the total static pressure required based on unit com-

ponents. From the given and the Pressure Drop

tables on page 28, find:

Enter the Fan Performance table for 50TFQ008 ver-

tical discharge. Find fan R/s and BkW at 0.75 in. wg

and 2600 cfm. Note that the fan speed is 747 rpm

and power required is 1.40 Bhp (interpolation not

shown). The standard 1.5 hp motor is satisfactory.

NOTE: Convert bhp to Watts using the formula

found in the note following the Indoor-Fan Motor

Efficiency table found on page 28.

For this example:

Watts = 1306

V Determine net capacities.

Capacities are gross and do not include the effect of

indoor-fan motor (IFM) heat.

Determine net cooling capacity as follows:

Net capacity = Gross capacity – IFM heat

= 83,400 Btuh – (1306 watts

x 3.413 Btuh/Watts)

= 83,400 Btuh – 4457 Btuh

= 78,943 Btuh

Net sensible capacity = 56,200 Btuh – 4457 Btuh

= 51,743 Btuh

Determine net heating capacity as follows:

Net capacity = Gross capacity + IFM heat

= 67,603 Btuh + 4457 Btuh

= 72,060 Btuh

39,800 Btuh = 11.7 kW of heat required.

3413 Btuh/kW

External static pressure .70 in. wg

Economizer .02 in. wg

Electric heat .03 in. wg

Total static pressure .75 in. wg

Watts = 746 x Bhp

Motor Efficiency

Watts = 746 x 1.40

.80

Selection procedure

(with 50TFQ008 example) — English

COOLING CAPACITIES

LEGEND

NOTES:

1. Ratings are gross, and do not account for the effects of the indoor-

fan motor power and heat.

2. Direct interpolation is permissible. Do not extrapolate.

3. SHC is based on 26.7 C db temperature of air entering the unit. At

any other temperature, correct the SHC read from the table of cool-

ing capacities as follows:

Corrected SHCkW

= SHC + [1.23 x 10-3 x(1–BF)x(C

db – 26.7) x L/s]

Observe the rule of signs. Above 26.7 C, SHC correction will be pos-

itive; add it to SHC. Below 26.7 C, SHC correction will be negative;

subtract it from SHC.

4. Formulas:

Where hewb is enthalpy of air entering indoor coil (kJ/kg).

50TFQ008

Temp (C)

Outdoor

Entering Air

(Edb)

Indoor Air — L/s / BF

850/0.09 1150/0.231200/0.25

Indoor Air — Ewb (C)

141618 20 22 141618 20 22 141618 20 22

TC 22.2 23.6 25.2 26.8 28.2 24.6 25.4 26.6 28.2 29.8 25.0 25.6 26.8 28.4 30.0

SHC 20.2 18.4 16.3 14.0 11.6 22.4 21.4 18.9 15.9 12.9 22.8 21.8 19.3 16.2 13.2

kW 4.64 4.76 4.88 4.98 5.08 4.84 4.88 4.98 5.10 5.22 4.86 4.90 5.00 5.12 5.24

TC 21.6 22.8 24.2 26.0 27.8 24.0 24.4 25.8 27.6 29.0 24.2 24.8 26.0 27.6 29.2

SHC 19.5 17.9 15.8 13.7 11.4 21.8 21.0 18.7 15.8 12.7 22.2 21.4 19.1 16.1 13.0

kW 4.91 5.04 5.16 5.30 5.46 5.16 5.20 5.32 5.46 5.56 5.18 5.22 5.34 5.46 5.58

TC 20.8 21.8 23.4 25.0 26.3 23.2 23.6 24.8 26.6 28.2 23.4 23.8 25.0 26.8 28.4

SHC 18.9 17.5 15.6 13.4 11.2 21.2 20.4 18.4 15.6 12.6 21.4 21.0 18.1 15.9 12.8

kW 5.24 5.34 5.48 5.64 5.80 5.46 5.50 5.62 5.78 5.94 5.50 5.54 5.64 5.80 5.96

TC 20.2 21.0 22.4 24.2 25.8 22.4 22.6 23.8 25.6 27.2 22.6 22.8 24.0 25.6 27.4

SHC 18.3 17.1 15.3 13.1 10.9 20.4 20.0 18.0 15.3 12.3 20.8 20.4 18.4 15.7 12.6

kW 5.52 5.62 5.78 5.96 6.14 5.78 5.80 5.94 6.12 6.28 5.82 5.84 5.96 6.12 6.30

TC 19.3 20.0 21.4 23.2 24.8 21.6 21.6 22.8 24.4 26.2 21.8 22.0 23.0 24.6 26.4

SHC 17.6 16.7 14.5 12.8 10.6 19.6 19.5 17.7 15.0 12.0 19.9 19.8 18.0 15.3 12.3

kW 5.82 5.90 6.06 6.26 6.46 6.10 6.12 6.24 6.42 6.62 6.14 6.14 6.26 6.44 6.64

TC 18.6 19.1 20.4 22.0 23.8 20.6 20.6 21.8 23.2 25.0 21.0 21.0 22.0 23.4 25.2

SHC 16.9 16.2 14.6 12.5 10.3 18.9 18.8 17.2 14.7 11.8 19.1 19.1 17.6 15.0 12.1

kW 6.10 6.18 6.36 6.56 6.78 6.40 6.40 6.54 6.74 6.96 6.44 6.44 6.56 6.76 6.90

TC 17.7 18.1 19.2 21.0 22.6 19.7 19.7 20.6 22.0 23.8 20.0 20.0 20.8 22.2 24.0

SHC 16.2 15.7 14.2 12.1 10.0 18.0 18.0 16.6 14.3 11.5 18.3 18.3 17.0 14.7 11.8

kW 6.40 6.46 6.62 6.86 7.10 6.70 6.70 6.84 7.04 7.26 6.76 6.76 6.86 7.06 7.28

TC 16.8 17.0 18.1 19.7 21.4 18.8 18.8 19.5 20.8 22.6 19.0 19.0 19.7 21.0 22.8

SHC 15.4 15.2 13.8 11.8 9.7 17.2 17.2 16.0 14.0 11.2 17.4 17.4 16.3 14.3 11.5

kW 6.70 6.72 6.88 7.14 7.40 7.02 7.02 7.12 7.32 7.58 7.06 7.06 7.16 7.34 7.60

TC 15.9 15.9 16.9 18.5 20.2 17.8 17.8 18.3 19.5 21.2 18.0 18.0 18.5 19.6 21.4

SHC 14.6 14.6 13.3 11.4 9.3 16.3 16.3 15.4 13.6 10.9 16.5 16.5 15.7 14.0 11.1

kW 7.00 7.00 7.16 7.40 7.68 7.32 7.32 7.40 7.58 7.86 7.36 7.36 7.44 7.60 7.90

50TFQ008 (cont)

Temp (C)

Outdoor

Entering Air

(Edb)

Indoor Air — L/s / BF

1450/0.34

Indoor Air — Ewb (C)

141618 20 22

20 TC 26.4 26.6 27.6 29.2 39.6

SHC 24.0 23.6 21.2 17.7 14.1

kW 4.96 4.98 5.06 5.18 5.30

TC 25.8 25.8 26.8 28.4 30.2

SHC 23.4 23.4 21.2 17.7 14.1

kW 5.30 5.32 5.40 5.54 5.68

TC 25.0 25.0 26.0 27.4 29.2

SHC 22.8 22.6 20.8 17.5 13.9

kW 5.64 5.66 5.74 5.88 6.02

TC 24.0 24.0 25.0 26.4 28.0

SHC 22.0 22.0 20.2 17.3 13.6

kW 5.98 5.98 6.06 6.22 6.36

TC 23.2 23.2 24.0 25.2 27.0

SHC 21.2 21.2 19.6 17.0 13.4

kW 6.28 6.30 6.38 6.54 6.72

TC 22.2 22.2 22.8 24.0 25.8

SHC 20.4 20.4 19.0 16.7 13.2

kW 6.62 6.62 6.70 6.84 7.06

TC 21.2 21.2 21.8 22.8 24.6

SHC 19.4 19.4 18.4 16.4 12.9

kW 6.94 6.94 7.00 7.14 7.38

TC 20.2 20.2 20.6 21.4 23.2

SHC 18.5 18.5 17.8 16.8 12.6

kW 7.24 7.24 7.30 7.42 7.68

TC 19.1 19.1 19.4 20.2 22.0

SHC 17.5 17.5 17.1 15.6 12.4

kW 7.54 7.54 7.58 7.70 7.98

BF — Bypass Factor

Edb — Entering Dry-Bulb

Ewb — Entering Wet-Bulb Temperature (C)

kW — Compressor Input (kW)

SHC — Sensible Heat Capacity (kW)

TC — Total Capacity (kW)

Cldb =C

edb –SHCkW x 1000

1.23 x L/s

Leaving wet bulb = wet bulb temperature corresponding to enthalpy

of air leaving coil (hlwb).

hlwb =h

ewb –TCkW x 100

1.20 x L/s

Performance data

COOLING CAPACITIES (SI) (cont)

LEGEND

NOTES:

1. Ratings are gross, and do not account for the effects of the indoor-

fan motor power and heat.

2. Direct interpolation is permissible. Do not extrapolate.

3. SHC is based on 26.7 C db temperature of air entering the unit. At

any other temperature, correct the SHC read from the table of cool-

ing capacities as follows:

Corrected SHCkW

= SHC + [1.23 x 10-3 x(1–BF)x(C

db – 26.7) x L/s]

Observe the rule of signs. Above 26.7 C, SHC correction will be pos-

itive; add it to SHC. Below 26.7 C, SHC correction will be negative;

subtract it from SHC.

4. Formulas:

Where hewb is enthalpy of air entering indoor coil (kJ/kg).

50TFQ009

Temp (C)

Outdoor

Entering Air

(Edb)

Indoor Air — L/s / BF

950/0.10 1250/0.241400/0.30

Indoor Air — Ewb (C)

141618 20 22 141618 20 22 141618 20 22

TC 23.8 25.2 26.8 28.4 29.6 26.2 27.0 28.0 29.2 30.4 27.0 27.6 28.6 29.6 30.8

SHC 22.2 20.2 18.0 15.5 12.9 24.6 23.2 20.4 17.0 13.8 25.2 24.4 21.6 17.9 14.4

kW 5.16 5.28 5.42 5.54 5.64 5.38 5.42 5.50 5.60 5.70 5.44 5.48 5.56 5.64 5.76

TC 23.2 24.4 26.0 27.8 29.4 25.6 26.2 27.4 28.8 30.0 26.4 26.8 27.8 29.2 30.6

SHC 21.6 19.9 17.8 15.4 12.8 24.0 23.0 20.4 17.0 13.8 24.8 24.2 21.6 18.0 14.4

kW 5.52 5.62 5.76 5.92 6.06 5.74 5.80 5.88 6.00 6.10 5.82 5.86 5.94 6.04 6.18

TC 22.4 23.6 25.2 27.0 28.6 24.8 25.2 26.6 28.2 29.4 25.8 26.0 27.2 28.6 30.0

SHC 21.0 19.4 17.4 15.1 12.6 23.2 22.6 20.2 17.1 13.7 24.0 23.6 21.4 18.0 14.4

kW 5.84 5.96 6.12 6.28 6.44 6.10 6.14 6.26 6.42 6.52 6.18 6.22 6.32 6.46 6.58

TC 21.8 22.6 24.2 26.0 27.8 24.0 24.4 25.6 27.4 28.8 25.0 25.0 26.2 27.8 29.2

SHC 20.4 19.0 17.1 14.8 12.3 22.6 22.0 19.9 16.9 13.6 23.4 23.2 21.0 17.9 14.3

kW 6.18 6.30 6.46 6.66 6.82 6.46 6.50 6.64 6.80 6.96 6.56 6.58 6.70 6.86 7.00

TC 21.0 21.8 23.2 25.0 26.8 23.2 23.4 24.6 26.6 28.0 24.0 24.2 25.2 26.8 28.4

SHC 19.7 18.6 16.7 14.4 12.1 21.8 21.6 19.5 16.6 13.5 22.6 22.4 20.6 17.7 14.2

kW 6.52 6.62 6.82 7.04 7.22 6.84 6.86 7.00 7.18 7.38 6.94 6.96 7.06 7.24 7.42

TC 20.4 21.0 22.4 24.0 25.8 22.4 22.6 23.6 25.4 27.0 23.2 23.2 24.2 25.8 27.6

SHC 19.0 18.2 16.4 14.1 11.7 21.0 21.0 19.1 16.4 13.3 21.8 21.8 20.2 17.4 14.0

kW 6.86 6.96 7.16 7.40 7.60 7.20 7.22 7.36 7.58 7.78 7.32 7.32 7.44 7.62 7.84

TC 19.6 20.2 21.4 23.0 24.8 21.6 21.8 22.6 24.2 26.0 22.4 22.4 23.2 24.6 26.4

SHC 18.4 17.7 16.0 13.8 11.5 20.4 20.2 18.6 16.0 12.9 21.0 21.0 19.6 17.1 13.7

kW 7.24 7.30 7.50 7.76 8.00 7.58 7.58 7.74 7.94 8.16 7.70 7.70 7.82 8.00 8.22

TC 18.9 19.2 20.4 22.0 23.8 20.8 20.8 21.8 23.2 24.8 21.6 21.6 22.2 23.4 25.2

SHC 17.7 17.2 15.7 13.5 11.2 19.5 19.5 18.1 15.7 12.7 20.2 20.2 19.0 16.7 13.4

kW 7.60 7.66 7.86 8.14 8.40 7.96 7.96 8.10 8.32 8.56 8.08 8.08 8.20 8.38 8.60

TC 18.1 18.2 19.3 21.0 22.8 19.9 20.0 20.8 22.0 23.8 20.6 20.6 21.2 22.4 24.0

SHC 17.0 16.7 15.3 13.1 10.8 18.7 18.7 17.5 15.4 12.4 19.4 19.4 18.4 16.4 13.1

kW 7.98 8.02 8.22 8.50 8.78 8.34 8.34 8.43 8.70 8.98 8.48 8.48 8.58 8.76 9.02

50TFQ009 (cont)

Temp (C)

Outdoor

Entering Air

(Edb)

Indoor Air — L/s / BF

1600/0.36

Indoor Air — Ewb (C)

141618 20 22

TC 27.8 28.2 29.0 30.2 31.4

SHC 26.0 25.8 22.8 18.9 15.0

kW 5.50 5.54 5.62 5.70 5.82

TC 27.4 27.6 28.4 29.8 31.2

SHC 25.8 25.4 22.8 19.1 15.3

kW 5.90 5.92 6.00 6.12 6.26

TC 26.6 26.6 27.8 29.2 30.6

SHC 25.0 24.2 22.6 19.2 15.2

kW 6.28 6.28 6.38 6.54 6.66

TC 25.8 25.8 26.8 28.4 29.8

SHC 24.2 24.2 22.4 19.1 15.0

kW 5.98 6.68 6.68 6.92 7.06

TC 25.0 25.0 25.8 27.2 28.8

SHC 23.4 23.4 21.8 18.8 14.9

kW 7.06 7.06 7.14 7.30 7.48

TC 24.2 24.2 24.8 26.2 28.0

SHC 22.6 22.6 21.2 18.5 14.8

kW 7.44 7.44 7.52 7.66 7.90

TC 23.2 23.2 23.8 25.0 26.8

SHC 21.8 21.8 20.6 18.2 14.5

kW 7.84 7.84 7.92 8.06 8.28

TC 22.4 22.4 22.8 23.8 25.6

SHC 21.0 21.0 20.0 17.5 14.1

kW 8.22 8.22 8.30 8.44 8.66

TC 21.4 21.4 21.8 22.6 24.4

SHC 20.2 20.2 19.4 17.6 13.8

kW 8.62 8.62 8.68 8.82 9.04

BF — Bypass Factor

Edb — Entering Dry-Bulb

Ewb — Entering Wet-Bulb Temperature (C)

kW — Compressor Input (kW)

SHC — Sensible Heat Capacity (kW)

TC — Total Capacity (kW)

Cldb =C

edb –SHCkW x 1000

1.23 x L/s

Leaving wet bulb = wet bulb temperature corresponding to enthalpy

of air leaving coil (hlwb).

hlwb =h

ewb –TCkW x 100

1.20 x L/s

Performance data (cont)

COOLING CAPACITIES (SI) (cont)

LEGEND

NOTES:

1. Ratings are gross, and do not account for the effects of the indoor-

fan motor power and heat.

2. Direct interpolation is permissible. Do not extrapolate.

3. SHC is based on 26.7 C db temperature of air entering the unit. At

any other temperature, correct the SHC read from the table of cool-

ing capacities as follows:

Corrected SHCkW

= SHC + [1.23 x 10-3 x(1–BF)x(C

db – 26.7) x L/s]

Observe the rule of signs. Above 26.7 C, SHC correction will be pos-

itive; add it to SHC. Below 26.7 C, SHC correction will be negative;

subtract it from SHC.

4. Formulas:

Where hewb is enthalpy of air entering indoor coil (kJ/kg).

50TFQ012

Temp (C)

Outdoor

Entering Air

(Edb)

Indoor Air — L/s / BF

1100/0.15 1450/0.29 1600/0.34

Indoor Air — Ewb (C)

141618 20 22 141618 20 22 141618 20 22

TC 26.2 27.6 29.2 31.0 32.6 28.6 29.1 30.8 32.4 34.0 29.4 30.0 31.2 32.8 34.2

SHC 25.4 23.4 21.0 18.3 15.6 28.0 26.6 23.8 20.2 16.9 28.8 27.8 24.8 21.0 17.4

kW 5.80 5.90 6.02 6.16 6.28 5.98 6.04 6.14 6.26 6.40 6.04 6.10 6.18 6.30 6.42

TC 25.6 27.0 28.6 30.4 32.0 28.0 28.6 30.2 31.8 33.4 28.8 29.2 30.6 32.2 33.6

SHC 25.0 23.2 20.8 18.1 15.4 27.4 26.2 23.6 20.2 16.7 28.2 27.4 24.8 21.2 17.2

kW 6.24 6.38 6.50 6.64 6.76 6.44 6.50 6.62 6.76 6.88 6.50 6.54 6.66 6.80 6.92

TC 25.0 26.2 27.8 29.6 31.2 27.4 28.0 29.4 31.2 32.8 28.2 28.6 29.8 31.6 33.2

SHC 24.4 22.8 20.4 17.8 15.1 26.8 26.0 23.4 20.2 16.6 27.6 27.0 24.6 21.0 17.2

kW 6.76 6.88 7.00 7.14 7.28 7.00 7.04 7.16 7.30 7.44 7.06 7.10 7.20 7.36 7.48

TC 24.4 25.6 27.0 28.8 30.6 26.8 27.2 28.6 30.2 32.0 27.6 27.8 29.0 30.8 32.4

SHC 23.8 22.4 20.2 17.5 14.9 26.2 25.6 23.2 19.8 16.5 27.0 26.6 24.2 20.8 17.0

kW 7.30 7.40 7.56 7.70 7.86 7.56 7.60 7.70 7.86 8.02 7.62 7.64 7.76 7.90 8.06

TC 23.8 24.8 26.2 28.0 29.8 26.0 26.4 27.6 29.4 31.2 26.8 27.0 28.0 29.8 31.6

SHC 23.2 21.8 19.7 17.2 14.6 25.6 25.0 22.8 19.5 16.2 26.2 26.0 23.8 20.4 16.8

kW 7.86 7.88 8.12 8.30 8.48 8.14 8.16 8.28 8.44 8.62 8.20 8.22 8.32 8.48 8.66

TC 23.2 24.0 25.4 27.2 28.8 25.4 25.6 26.8 28.4 30.2 26.0 26.2 27.2 28.8 30.6

SHC 22.6 21.4 19.4 16.9 14.3 24.8 24.6 22.4 19.2 16.0 25.6 25.4 23.4 20.2 16.5

kW 8.43 8.58 8.74 8.94 9.08 8.76 8.78 8.88 9.56 9.26 8.84 8.86 8.94 9.10 9.30

TC 22.4 23.0 24.4 26.2 28.0 21.6 24.6 25.8 27.4 29.2 25.2 25.2 26.2 27.8 29.6

SHC 21.8 21.0 19.0 16.5 13.9 24.0 23.8 22.0 18.9 15.6 28.8 24.8 22.8 19.8 16.2

kW 9.12 9.20 9.38 9.60 9.76 9.42 9.42 9.56 9.74 9.94 9.52 9.52 9.62 9.78 9.98

TC 21.6 22.2 23.4 25.2 27.0 23.8 23.8 24.8 26.4 28.2 24.4 24.4 25.4 26.8 28.6

SHC 21.2 20.4 18.6 16.2 13.6 23.2 23.2 21.4 18.6 15.3 24.0 24.0 22.4 19.5 15.9

kW 9.80 9.86 10.06 10.28 10.48 10.10 10.10 10.24 10.44 10.62 10.20 10.20 10.32 10.48 10.68

TC 20.8 21.2 22.4 24.2 26.0 22.8 22.8 23.8 25.2 27.0 23.6 23.6 24.2 25.6 27.4

SHC 20.4 19.8 18.1 15.8 13.5 22.4 22.4 20.8 18.2 14.0 23.0 23.0 21.6 19.2 15.5

kW 10.50 10.56 10.71 10.96 11.22 10.82 10.82 10.96 11.14 11.34 10.92 10.92 11.02 11.20 11.38

50TFQ012 (cont)

Temp (C)

Outdoor

Entering Air

(Edb)

Indoor Air — L/s / BF

1800/0.40

Indoor Air — Ewb (C)

141618 20 22

TC 30.2 30.6 31.8 33.4 34.6

SHC 29.6 29.0 26.2 22.2 17.9

kW 6.10 6.14 6.24 6.36 6.41

TC 29.6 29.8 31.2 32.8 34.0

SHC 29.0 28.6 26.0 22.2 17.8

kW 6.56 6.60 6.72 6.86 6.94

TC 29.0 29.2 30.4 32.0 33.6

SHC 28.4 28.2 25.8 22.2 17.9

kW 7.12 7.14 7.34 7.40 7.52

TC 28.4 28.4 29.6 31.2 32.8

SHC 27.8 27.6 25.4 22.0 17.7

kW 7.68 7.68 7.80 7.96 8.10

TC 27.6 27.6 28.6 30.2 31.8

SHC 27.2 27.0 25.0 21.8 17.5

kW 8.28 8.28 8.38 8.54 8.68

TC 27.0 27.0 27.8 29.2 30.0

SHC 26.4 26.4 24.6 21.4 17.1

kW 8.94 8.94 9.02 9.14 9.28

TC 26.2 26.2 27.0 28.2 36.0

SHC 25.6 25.6 24.0 21.0 17.0

kW 9.68 9.64 9.70 9.82 10.02

TC 25.2 25.2 26.0 27.2 29.0

SHC 24.8 24.8 23.4 20.8 16.8

kW 10.34 10.34 10.40 10.52 10.74

TC 24.4 24.4 24.8 26.0 27.0

SHC 23.8 23.8 22.8 20.4 16.4

kW 11.06 11.06 11.12 11.26 11.41

BF — Bypass Factor

Edb — Entering Dry-Bulb

Ewb — Entering Wet-Bulb Temperature (C)

kW — Compressor Input (kW)

SHC — Sensible Heat Capacity (kW)

TC — Total Capacity (kW)

Cldb =C

edb –SHCkW x 1000

1.23 x L/s

Leaving wet bulb = wet bulb temperature corresponding to enthalpy

of air leaving coil (hlwb).

hlwb =h

ewb –TCkW x 100

1.20 x L/s

COOLING CAPACITIES (ENGLISH)

LEGEND

NOTES:

1. Ratings are gross, and do not account for the effects of the indoor-

fan motor power and heat.

2. Direct interpolation is permissible. Do not extrapolate.

3. SHC is based on 80 F db temperature of air entering the unit. At any

other temperature, correct the SHC read from the table of cooling

capacities as follows:

Corrected SHCBtuh

= SHC + [1.10 x (1 – BF) x (Fdb – 80) x cfm]

Observe the rule of signs. Above 80 F, SHC correction will be posi-

tive; add it to SHC. Below 80 F, SHC correction will be negative; sub-

tractitfromSHC.

4. Formulas:

Where hewb is enthalpy of air entering indoor coil (Btu/lb).

50TFQ008

Temp (F)

Outdoor

Entering Air

(Edb)

Indoor Air — Cfm/BF

1850/0.032450/0.05 2600/0.063050/0.10

Indoor Air — Ewb (F)

7267 627267 627267 627267 62

TC 95.4 87.2 79.0 99.4 92.6 84.2 100.6 93.4 85.4 103.6 95.6 88.4

SHC 38.4 49.0 59.6 42.4 57.0 70.4 43.6 58.8 73.0 46.8 64.0 79.6

kW 5.46 5.26 5.06 5.56 5.42 5.20 5.60 5.44 5.24 5.68 5.48 5.32

TC 90.8 82.8 74.6 96.0 87.8 79.6 96.8 88.8 80.8 98.6 91.0 84.0

SHC 37.0 47.8 58.0 41.6 55.8 68.8 42.8 57.8 71.0 45.8 63.2 76.6

kW 5.94 5.72 5.48 6.08 5.86 5.62 6.10 5.90 5.66 6.16 5.96 5.76

TC 86.4 78.0 70.2 90.8 82.6 74.8 91.6 83.4 76.2 93.4 85.6 79.8

SHC 35.8 46.2 56.2 40.4 54.2 66.8 41.6 56.2 68.6 44.6 61.8 72.8

kW 6.42 6.14 5.86 6.56 6.30 6.04 6.58 6.32 6.08 6.64 6.40 6.20

105

TC 8.12 73.0 65.4 85.6 77.2 70.2 86.4 78.0 71.6 88.4 79.8 75.4

SHC 34.2 44.6 54.4 39.2 52.8 64.0 40.4 54.8 65.4 43.8 60.4 69.0

kW 6.84 6.56 6.24 7.02 6.72 6.46 7.06 6.76 6.50 7.14 6.82 6.66

115

TC 75.8 67.6 60.2 80.0 71.6 65.8 80.6 72.2 67.2 82.2 73.8 70.8

SHC 32.8 43.0 52.4 37.8 51.0 60.2 39.0 53.2 61.4 42.4 58.8 64.6

kW 7.28 6.94 6.60 7.46 7.12 6.86 7.48 7.14 6.94 7.56 7.24 7.10

125

TC 70.0 61.8 54.8 73.6 65.2 61.0 74.2 65.8 62.4 76.0 67.6 65.8

SHC 31.2 41.2 50.0 36.2 49.2 55.8 37.6 51.4 57.0 41.2 56.8 60.2

kW 7.68 7.30 6.96 7.88 7.48 7.28 7.90 7.52 7.36 8.00 7.60 7.52

50TFQ009

Temp (F)

Outdoor

Entering Air

(Edb)

Indoor Air — Cfm/BF

2000/0.05 2700/0.073000/0.10 3350/0.13

Indoor Air — Ewb (F)

7267 627267 627267 627267 62

TC 100.6 93.6 85.0 102.8 97.0 90.4 105.0 98.6 92.4 107.4 100.4 94.2

SHC 43.0 55.0 66.0 46.2 61.4 77.6 48.4 65.0 82.2 50.8 68.8 86.6

kW 6.06 5.88 5.64 6.12 5.94 5.82 6.18 6.00 5.86 6.26 6.06 5.90

TC 92.0 89.2 80.6 100.2 94.4 85.8 102.0 96.2 88.0 103.8 97.6 90.2

SHC 41.8 53.4 64.4 45.6 61.8 75.8 47.8 65.8 80.2 50.2 69.6 84.2

kW 6.58 6.36 6.12 6.68 6.54 6.28 6.74 6.60 6.36 6.82 6.64 6.42

TC 93.2 84.6 76.2 97.4 89.4 81.0 98.8 91.0 83.4 99.8 92.6 86.0

SHC 40.6 52.0 62.6 45.4 60.4 74.0 47.6 64.4 77.4 49.6 68.4 80.6

kW 7.16 6.90 6.58 7.30 7.04 6.78 7.34 7.10 6.88 7.38 7.16 6.96

105

TC 88.2 79.8 71.8 92.8 84.2 76.6 94.2 85.8 79.2 95.8 87.0 81.8

SHC 39.2 50.4 61.0 44.2 59.0 71.2 46.6 62.8 74.2 49.2 66.6 76.8

kW 7.66 7.40 7.04 7.86 7.58 7.28 7.94 7.62 7.38 8.00 7.66 7.50

115

TC 83.6 75.2 67.6 87.2 79.0 72.8 88.6 80.4 75.2 89.8 81.6 77.8

SHC 37.8 48.8 59.2 42.6 57.4 68.0 45.0 61.4 70.6 47.4 65.4 73.0

kW 8.26 7.88 7.52 8.38 8.08 7.78 8.44 8.16 7.92 8.50 8.20 8.04

125

TC 78.6 70.2 62.8 82.2 73.8 68.6 83.2 75.0 71.0 84.0 76.2 73.4

SHC 36.4 47.2 57.0 41.6 55.8 64.4 43.8 59.8 66.8 46.0 63.8 69.0

kW 8.78 8.38 8.00 8.98 8.60 8.32 9.00 8.66 8.46 9.04 8.72 8.58

BF — Bypass Factor

Edb — Entering Dry-Bulb

Ewb — Entering Wet-Bulb Temperature (F)

kW — Compressor Input (kW)

SHC — Sensible Heat Capacity (kW)

TC — Total Capacity (1000 Btuh)

Cldb =C

edb –SHCBtuh

1.10 x cfm

Leaving wet bulb = wet bulb temperature corresponding to enthalpy

of air leaving coil (hlwb).

hlwb =h

ewb –TCBtuh

4.50 x cfm

Performance data (cont)

COOLING CAPACITIES (ENGLISH) (cont)

LEGEND

NOTES:

1. Ratings are gross, and do not account for the effects of the indoor-

fan motor power and heat.

2. Direct interpolation is permissible. Do not extrapolate.

3. SHC is based on 80 F db temperature of air entering the unit. At any

other temperature, correct the SHC read from the table of cooling

capacities as follows:

Corrected SHCBtuh

= SHC + [1.10 x (1 – BF) x (Fdb – 80) x cfm]

Observe the rule of signs. Above 80 F, SHC correction will be posi-

tive; add it to SHC. Below 80 F, SHC correction will be negative; sub-

tractitfromSHC.

4. Formulas:

Where hewb is enthalpy of air entering indoor coil (Btu/lb).

50TFQ012

Temp (F)

Outdoor

Entering Air

(Edb)

Indoor Air — Cfm/BF

2350/0.09 3100/0.14 3400/0.163900/0.20

Indoor Air — Ewb (F)

7267 627267 627267 627267 62

TC 110.4 102.4 94.0 114.6 107.6 99.0 115.4 109.0 100.4 116.8 111.0 102.4

SHC 52.0 64.8 77.6 56.2 73.2 89.2 57.4 76.0 92.4 59.6 80.8 98.0

kW 6.78 6.60 6.40 6.88 6.72 6.52 6.92 6.76 6.56 6.94 6.82 6.62

TC 106.6 98.6 90.4 112.0 104.0 95.4 113.2 105.2 96.8 114.6 107.2 99.0

SHC 50.6 63.2 75.8 55.8 72.4 88.2 57.4 75.2 91.2 60.0 80.2 96.0

kW 7.50 7.30 7.10 7.66 7.48 7.26 7.70 7.50 7.30 7.74 7.56 7.34

TC 103.4 95.0 86.6 108.0 99.6 91.2 109.0 100.8 92.8 110.4 102.8 95.4

SHC 49.6 62.0 74.2 54.8 70.8 85.8 56.2 73.8 88.8 58.8 79.2 93.2

kW 8.36 8.12 7.88 8.48 8.24 8.04 8.50 8.28 8.08 8.56 8.36 8.12

105

TC 99.0 91.0 82.4 103.8 95.2 87.2 104.6 96.2 89.0 105.2 98.0 92.2

SHC 48.0 60.6 72.4 53.6 69.0 83.8 55.0 72.0 86.4 56.8 77.4 90.2

kW 9.20 9.00 8.70 9.40 9.08 8.88 9.40 9.12 8.94 9.38 9.20 9.06

115

TC 94.6 86.4 78.8 99.0 90.6 83.0 100.0 91.6 84.8 101.8 93.0 88.2

SHC 46.4 59.0 70.4 52.0 68.2 80.8 53.8 71.0 83.2 57.0 75.6 86.4

kW 10.14 9.92 9.58 10.32 10.08 9.78 10.36 10.10 9.86 10.44 10.12 10.02

125

TC 89.8 81.2 73.2 93.4 85.2 78.6 94.4 86.0 80.6 96.0 87.4 83.6

SHC 44.8 57.0 68.0 50.0 66.2 77.0 52.0 69.2 79.0 55.2 74.4 82.2

kW 11.18 10.88 10.52 11.30 11.04 10.78 11.34 11.08 10.86 11.42 11.14 11.02

BF — Bypass Factor

Edb — Entering Dry-Bulb

Ewb — Entering Wet-Bulb Temperature (F)

kW — Compressor Input (kW)

SHC — Sensible Heat Capacity (kW)

TC — Total Capacity (1000 Btuh)

Cldb =C

edb –SHCBtuh

1.10 x cfm

Leaving wet bulb = wet bulb temperature corresponding to enthalpy

of air leaving coil (hlwb).

hlwb =h

ewb –TCBtuh

4.50 x cfm

INSTANTANEOUS AND INTEGRATED HEATING RATINGS (SI)

LEGEND

NOTES:

1. indicates integrated ratings.

2. Integrated capacity is maximum (instantaneous) capacity less the

effect of frost on the outdoor coil and the heat required to defrost it.

50TFQ008

Return

Air

(C db)

L/s

(Standard

Air)

Air Temperature Entering Outdoor Coil (C)

–20 –16–12 –8 –40481216

800 Cap. 8.1 6.9 9.5 8.1 11.0 10.1 12.4 11.3 14.1 12.5 15.8 14.3 17.5 17.3 19.2 19.2 21.2 21.2 23.2 23.2

kW 4.24 4.50 4.74 4.93 5.26 5.54 5.84 6.18 6.54 6.92

1050 Cap. 8.4 7.1 9.8 8.3 11.2 10.3 12.3 11.7 14.5 12.9 16.2 14.7 18.0 17.8 19.8 19.8 21.8 21.8 23.8 23.8

kW 4.22 4.42 4.64 4.36 5.12 5.36 5.62 5.92 6.20 6.43

1200 Cap. 8.4 7.2 9.9 8.4 11.3 10.4 13.0 11.8 14.7 13.0 16.4 14.8 18.2 18.0 20.0 20.0 21.8 21.8 23.4 23.4

kW 4.20 4.40 4.60 4.82 5.06 5.30 5.54 5.80 6.04 6.22

1300 Cap. 8.4 7.3 10.0 8.5 11.4 10.5 13.0 11.9 14.8 13.1 16.5 14.9 18.3 18.2 20.2 20.2 21.8 21.8 23.0 23.0

kW 4.20 4.38 4.58 4.80 5.02 5.24 5.48 5.74 5.94 6.08

800 Cap. 7.7 6.5 9.1 7.7 10.6 9.7 12.1 11.0 13.7 12.2 15.4 13.9 17.1 16.9 18.9 18.9 20.8 20.8 22.8 22.8

kW 4.30 4.56 4.82 5.06 5.36 5.66 5.96 6.32 6.70 7.10

1050 Cap. 7.9 6.7 9.4 8.0 10.9 10.0 12.4 11.3 14.2 12.6 15.9 14.4 17.6 17.5 19.5 19.5 21.4 21.4 23.4 23.4

kW 4.26 4.50 4.72 4.96 5.22 5.48 5.76 6.06 6.38 6.63

1200 Cap. 8.0 6.8 9.5 8.1 11.0 10.1 12.6 11.4 14.3 12.7 16.1 14.5 17.8 17.7 19.7 19.7 21.6 21.6 23.2 23.2

kW 4.26 4.48 4.70 4.92 5.16 5.42 5.68 6.96 6.22 6.46

1300 Cap. 8.1 6.9 9.6 8.2 11.1 10.1 12.7 11.5 14.4 12.8 16.2 14.6 17.9 17.8 19.8 19.9 21.6 21.6 23.2 23.2

kW 4.24 4.46 4.68 4.90 5.14 5.38 5.62 5.90 6.14 6.32

800 Cap. 7.2 6.1 8.7 7.4 10.2 9.3 11.7 10.6 13.4 11.9 15.0 13.6 16.7 16.6 18.5 18.5 20.4 20.4 22.4 22.4

kW 4.36 4.62 4.88 5.16 5.46 5.78 6.10 6.46 6.86 7.28

1050 Cap. 7.5 6.4 9.0 7.8 10.5 9.6 12.0 10.9 13.8 12.2 15.5 14.0 17.3 17.1 19.1 19.1 21.2 21.2 23.2 23.2

kW 4.32 4.56 4.82 5.06 5.34 5.62 5.90 6.22 6.56 6.88

1200 Cap. 7.6 6.5 9.1 7.8 10.6 9.8 12.2 11.1 13.9 12.4 15.7 14.2 17.5 17.3 19.3 19.3 21.4 21.4 23.2 23.2

kW 4.32 4.54 4.78 5.02 5.28 5.54 5.82 6.12 6.42 6.70

1300 Cap. 7.7 6.5 9.2 7.8 10.7 9.8 12.3 11.2 14.1 12.5 15.8 14.3 17.6 17.5 19.5 19.5 21.4 21.4 23.2 23.2

kW 4.30 4.54 4.76 5.00 5.24 5.50 5.76 6.06 6.34 6.58

800 Cap. 6.8 5.8 8.3 7.0 9.8 9.0 11.3 10.3 13.0 11.5 14.6 13.2 16.3 16.2 18.1 18.1 20.2 20.2 22.2 22.2

kW 4.40 4.68 4.96 5.26 5.58 5.88 6.22 6.60 7.02 7.48

1050 Cap. 7.1 6.0 8.6 7.3 10.2 9.3 11.6 10.6 13.4 11.9 15.2 13.7 16.9 16.8 18.8 18.8 20.8 20.8 22.8 22.8

kW 4.38 4.64 4.90 5.16 5.44 5.74 6.04 6.36 6.72 7.08

1200 Cap. 7.2 6.1 8.7 7.4 10.3 9.5 11.8 10.7 13.6 12.1 15.4 13.9 17.1 17.0 19.0 19.0 21.0 21.0 23.0 23.0

kW 4.36 4.62 4.88 5.12 5.40 5.68 5.96 6.28 6.60 6.92

1300 Cap. 7.2 6.1 8.8 7.5 10.4 9.5 11.9 10.8 13.7 12.2 15.5 14.0 17.3 17.1 19.1 19.1 21.2 21.2 23.2 23.2

kW 4.36 4.62 4.86 5.10 5.36 5.64 6.90 6.22 6.52 6.82

800 Cap. 6.3 5.3 7.8 6.6 9.3 8.6 10.9 9.9 12.5 11.1 14.2 12.8 15.9 15.7 17.7 17.7 19.7 19.7 21.8 21.8

kW 4.44 4.74 5.04 5.34 5.66 6.00 6.34 6.72 7.16 7.64

1050 Cap. 6.6 5.6 8.1 6.9 9.7 8.9 11.3 10.2 13.0 11.5 14.7 13.3 16.5 16.4 18.4 18.4 20.4 20.4 22.6 22.6

kW 4.42 4.70 4.98 5.26 5.54 5.86 6.16 6.50 6.90 7.28

1200 Cap. 6.7 6.7 8.3 7.0 9.9 9.0 11.4 10.4 13.2 11.7 14.9 13.5 16.7 16.6 18.6 18.6 20.6 20.6 22.8 22.8

kW 4.42 4.68 4.96 5.22 5.50 5.80 6.08 6.42 6.76 7.12

1300 Cap. 6.7 5.7 8.3 7.1 9.9 9.1 11.5 10.5 13.3 11.8 15.1 13.0 16.9 16.7 18.8 18.8 20.8 20.8 22.8 22.8

kW 4.42 4.68 4.94 5.20 5.48 5.76 6.04 6.36 6.70 7.02

Cap. — Heating Capacity (kW) (includes indoor-fan motor heat)

kW — Total Power Input (includes compressor motor power input,

outdoor-fan motor input and indoor-fan motor input)

Performance data (cont)

INSTANTANEOUS AND INTEGRATED HEATING RATINGS (SI) (cont)

LEGEND

NOTES:

1. indicates integrated ratings.

2. Integrated capacity is maximum (instantaneous) capacity less the

effect of frost on the outdoor coil and the heat required to defrost it.

50TFQ009

Return

Air

(C db)

L/s

(Standard

Air)

Air Temperature Entering Outdoor Coil (C)

–20 –16–12 –8 –40481216

900 Cap. 9.4 8.0 11.0 9.4 12.7 11.6 14.6 13.3 16.6 14.7 18.6 16.8 20.8 20.6 22.8 22.8 25.2 25.2 27.8 27.8

kW 4.94 5.20 5.46 5.78 6.10 6.44 6.80 7.18 7.64 8.12

1150 Cap. 9.7 8.2 11.3 9.6 13.0 11.9 14.9 13.6 17.0 15.1 19.1 17.2 21.2 21.0 23.4 23.4 26.0 26.0 28.6 28.6

kW 4.90 5.14 5.38 5.66 5.96 6.26 6.56 6.90 7.30 7.72

1400 Cap. 9.8 8.4 11.5 9.8 13.2 12.1 15.2 13.8 17.3 15.3 19.3 17.5 21.6 21.4 23.8 23.8 26.4 26.4 29.0 29.0

kW 4.86 5.08 5.32 5.58 5.86 6.12 6.42 6.72 7.08 7.46

1500 Cap. 9.9 8.4 11.5 9.8 13.2 12.1 15.3 13.9 17.3 15.3 19.4 17.5 21.6 21.4 23.8 23.8 26.4 26.4 29.0 29.0

kW 4.86 5.08 5.30 5.58 5.84 6.12 6.42 6.68 7.04 7.42

900 Cap. 8.9 7.6 10.6 9.0 12.3 11.2 14.1 12.8 16.1 14.3 18.2 16.5 20.2 20.0 22.4 22.4 24.8 24.8 27.4 27.4

kW 5.02 5.30 5.58 5.90 6.26 6.60 6.96 7.38 7.34 8.34

1150 Cap. 9.2 7.8 10.9 9.2 12.6 11.5 14.5 13.2 16.6 14.7 18.6 16.8 20.8 20.6 23.0 23.0 25.6 25.6 28.2 28.2

kW 4.93 5.24 5.50 5.78 6.10 6.42 6.74 7.10 7.52 7.94

1400 Cap. 9.3 7.9 11.1 9.4 12.8 11.7 14.8 13.4 16.8 15.0 18.9 17.1 21.2 21.0 23.4 23.4 26.0 26.0 28.6 28.6

kW 4.94 5.20 5.44 5.72 6.00 6.30 6.60 6.92 7.28 7.68

1500 Cap. 9.4 8.0 11.1 9.4 12.8 11.8 14.8 13.5 16.9 15.0 19.0 17.2 21.2 21.0 23.4 23.4 26.0 26.0 26.8 28.8

kW 4.94 5.18 5.42 5.70 5.93 6.28 6.56 6.88 7.26 7.64

900 Cap. 8.4 7.2 10.1 8.6 11.8 10.9 13.7 12.4 15.7 13.9 17.7 16.0 19.7 19.6 22.0 22.0 24.4 24.4 26.2 26.2

kW 5.10 5.40 5.70 6.02 6.40 6.76 7.14 7.56 8.06 8.56

1150 Cap. 8.7 7.4 10.4 8.8 12.2 11.2 14.1 12.8 16.1 14.3 18.2 16.5 20.4 20.2 22.6 22.6 25.0 25.0 27.6 27.6

kW 5.06 5.34 5.62 5.92 6.24 6.58 6.92 7.30 7.72 8.18

1400 Cap. 8.8 7.5 10.6 9.0 12.4 11.4 14.3 13.0 16.4 14.6 18.5 16.8 20.8 20.6 23.0 23.0 25.6 25.6 28.2 28.2

kW 5.04 5.30 5.56 5.84 6.16 6.46 6.78 7.10 7.30 7.92

1500 Cap. 8.9 7.5 10.6 9.0 12.4 11.4 14.4 13.1 16.5 14.6 18.6 16.3 20.8 20.6 23.0 23.0 25.6 25.6 28.2 28.2

kW 5.04 5.30 5.56 5.84 6.14 6.44 6.74 7.08 7.46 7.86

900 Cap. 7.9 6.7 9.7 8.2 11.4 10.5 13.2 12.0 15.2 13.5 17.3 15.6 19.2 19.1 21.6 21.6 24.0 24.0 26.4 26.4

kW 5.18 5.50 5.82 6.16 6.54 6.92 7.30 7.76 8.26 8.30

1150 Cap. 8.2 6.9 10.0 8.5 11.3 10.8 13.6 12.4 15.7 14.0 17.8 16.1 19.9 19.7 22.2 22.2 24.6 24.6 27.2 27.2

kW 5.14 5.44 5.74 6.06 6.40 6.74 7.10 7.48 7.94 8.40

1400 Cap. 8.3 7.1 10.2 8.6 12.0 11.0 13.9 12.6 15.0 14.2 18.1 16.4 20.4 20.2 22.6 22.6 25.2 25.2 27.8 27.8

kW 5.12 5.40 5.70 5.98 6.30 6.62 6.92 7.30 7.72 8.14

1500 Cap. 8.4 7.1 10.2 8.7 12.0 11.0 13.9 12.7 16.1 14.3 18.2 16.4 20.4 20.2 22.6 22.6 25.2 25.2 27.8 27.8

kW 5.12 5.40 5.68 5.98 6.28 6.60 6.92 7.28 7.68 8.10

900 Cap. 7.3 6.2 9.1 7.7 10.9 10.6 12.8 11.6 14.7 13.1 16.7 15.1 18.7 18.6 21.0 21.0 23.4 23.4 26.0 26.0

kW 5.24 5.58 5.94 6.30 6.68 7.08 7.48 7.94 8.43 9.02

1150 Cap. 7.6 6.4 9.4 8.0 11.3 10.3 13.2 12.0 15.2 13.5 17.3 15.6 19.4 19.2 21.8 21.8 24.2 24.2 26.8 26.8

kW 5.22 5.54 5.86 6.20 6.54 6.90 7.28 7.63 8.14 8.64

1400 Cap. 7.7 6.6 9.6 8.2 11.5 10.5 13.4 12.2 15.5 13.8 17.6 15.9 19.8 19.6 22.2 22.2 24.6 24.6 27.2 27.2

kW 5.20 5.50 5.80 6.12 6.46 6.78 7.12 7.50 7.94 8.38

1500 Cap. 7.8 6.6 9.6 8.2 11.5 10.6 13.5 12.3 15.6 13.8 17.7 16.0 19.8 19.7 22.2 22.2 24.8 24.8 27.4 27.4

kW 5.20 5.50 5.80 6.10 6.44 6.76 7.10 7.48 7.90 8.34

Cap. — Heating Capacity (kW) (includes indoor-fan motor heat)

kW — Total Power Input (includes compressor motor power input,

outdoor-fan motor input and indoor-fan motor input)

INSTANTANEOUS AND INTEGRATED HEATING RATINGS (SI) (cont)

LEGEND

NOTES:

1. indicates integrated ratings.

2. Integrated capacity is maximum (instantaneous) capacity less the

effect of frost on the outdoor coil and the heat required to defrost it.

50TFQ012

Return

Air

(C db)

L/s

(Standard

Air)

Air Temperature Entering Outdoor Coil (C)

–20 –16–12 –8 –40481216

1000 Cap. 11.5 9.8 13.2 11.2 14.9 13.7 16.8 15.3 18.9 16.8 21.0 19.0 23.2 23.0 25.4 25.4 28.0 28.0 30.6 30.6

kW 5.80 6.02 6.24 6.48 6.76 7.04 7.34 7.68 8.10 8.56

1300 Cap. 11.5 9.7 13.3 11.3 15.1 13.9 17.1 15.5 19.2 17.0 21.4 19.2 23.4 23.2 25.8 25.8 28.4 28.4 31.0 31.0

kW 5.64 5.82 6.00 6.20 6.44 6.66 6.92 7.22 7.56 7.94

1600 Cap. 11.5 9.8 13.4 11.4 15.3 14.0 17.2 15.6 19.3 17.2 21.4 19.4 23.6 23.4 25.3 25.3 28.6 28.6 31.2 31.2

kW 5.54 5.70 5.86 6.04 6.24 6.44 6.66 6.92 7.22 7.54

1000 Cap. 11.2 9.5 12.9 10.9 14.6 13.4 16.5 15.0 18.6 16.5 20.8 18.7 23.0 22.8 25.2 25.2 27.8 27.8 30.4 30.4

kW 6.06 6.28 6.52 6.78 7.06 7.36 7.68 8.04 8.48 8.96

1300 Cap. 11.2 9.6 13.0 11.1 14.8 13.6 16.8 15.3 18.9 16.8 21.0 19.0 23.2 23.0 25.4 25.4 28.0 28.0 30.8 30.8

kW 5.90 6.08 6.28 6.50 6.74 6.98 7.24 7.54 7.90 8.30

1600 Cap. 11.4 9.6 13.1 11.2 14.9 13.7 16.9 15.4 19.1 16.9 21.2 19.2 23.4 23.2 25.6 25.6 28.4 28.4 31.0 31.0

kW 5.80 5.96 6.12 6.32 6.52 6.74 6.96 7.22 7.54 7.88

1000 Cap. 10.8 9.2 12.6 10.7 14.3 13.1 16.2 14.7 18.3 16.3 20.4 18.5 22.6 22.4 24.8 24.8 27.4 27.4 30.2 30.2

kW 6.30 6.54 6.80 7.06 7.38 7.70 8.04 8.40 8.86 9.36

1300 Cap. 11.0 9.4 12.8 10.8 14.5 13.3 16.5 15.0 18.6 16.6 20.8 18.8 23.0 22.8 25.2 25.2 27.8 27.8 30.6 30.6

kW 6.16 6.34 6.54 6.78 7.04 7.30 7.56 7.88 8.26 8.66

1600 Cap. 11.2 9.5 12.9 10.9 14.6 13.4 16.7 15.2 18.8 16.7 21.0 19.0 23.2 23.0 25.4 25.4 28.2 28.2 30.8 30.8

kW 6.06 6.22 6.40 6.60 6.82 7.04 7.28 7.54 7.86 8.22

1000 Cap. 10.5 8.9 12.3 10.4 14.0 12.9 15.9 14.4 18.0 16.0 20.2 18.2 22.4 22.2 24.6 24.6 27.2 27.2 29.8 29.8

kW 6.56 6.32 7.08 7.36 7.68 8.02 8.38 8.76 9.24 9.74

1300 Cap. 10.8 9.2 12.5 10.6 14.2 13.0 16.2 14.8 18.4 16.3 20.6 18.6 22.8 22.6 25.0 25.0 27.6 27.6 30.4 30.4

kW 6.42 6.62 6.82 7.06 7.34 7.60 7.90 8.20 8.60 9.02

1600 Cap. 11.0 9.3 12.6 10.7 14.3 13.1 16.4 14.9 18.6 18.5 20.8 18.8 23.0 22.8 25.2 25.2 27.8 27.8 30.6 30.6

kW 6.30 6.48 6.66 6.88 7.10 7.34 7.58 7.86 8.20 8.56

1000 Cap. 10.1 8.6 11.9 10.1 13.7 12.6 15.5 14.1 17.6 15.7 19.8 17.9 22.0 21.8 24.2 24.2 26.8 26.8 29.6 29.6

kW 6.82 7.10 7.38 7.66 8.02 8.38 8.74 9.16 9.66 10.11

1300 Cap. 10.4 8.8 12.1 10.3 13.9 12.7 15.8 14.4 18.0 16.0 20.2 18.3 22.4 22.2 24.8 24.8 27.4 27.4 30.0 30.0

kW 6.66 6.90 7.12 7.36 7.66 7.96 8.26 8.58 8.98 9.42

1600 Cap. 10.5 9.0 12.3 10.4 14.0 12.9 16.0 14.6 18.3 16.2 20.6 18.5 22.8 22.6 25.0 25.0 27.6 27.6 30.4 30.4

kW 6.56 6.76 6.96 7.18 7.42 7.68 7.94 8.22 8.56 8.94

Cap. — Heating Capacity (kW) (includes indoor-fan motor heat)

kW — Total Power Input (includes compressor motor power input,

outdoor-fan motor input and indoor-fan motor input)

Performance data (cont)

INSTANTANEOUS AND INTEGRATED HEATING RATINGS (ENGLISH)

LEGEND

NOTES:

1. indicates integrated ratings.

2. Integrated capacity is maximum (instantaneous) capacity less the

effect of frost on the outdoor coil and the heat required to defrost it.

50TFQ008

Return

Air

(F db)

Cfm

(Standard

Air)

Air Temperature Entering Outdoor Coil (F)

01017304047 50 60

1650 Cap. 30.2 25.6 37.0 34.0 41.8 38.0 52.0 45.6 60.0 60.0 66.0 66.0 68.8 68.8 78.0 78.0

kW 4.40 4.74 4.98 5.48 5.90 6.24 6.40 6.92

2200 Cap. 31.0 26.4 37.8 34.8 43.0 39.2 53.6 47.0 61.8 61.8 68.0 68.0 70.8 70.8 79.8 79.8

kW 4.34 4.64 4.88 5.32 5.70 5.98 6.10 6.50

2600 Cap. 31.4 26.8 38.2 35.2 43.6 39.8 54.2 47.6 62.6 62.6 68.8 68.8 71.8 71.8 78.8 78.8

kW 4.32 4.60 4.82 5.24 5.58 5.84 5.98 6.22

2750 Cap. 31.6 26.8 38.4 35.2 43.8 40.0 54.4 47.8 62.8 62.8 69.2 69.2 72.2 72.2 78.4 78.4

kW 4.32 4.60 4.80 5.22 5.54 5.80 5.92 6.12

1650 Cap. 26.0 22.2 33.2 30.4 38.4 35.0 48.4 42.4 56.4 56.4 62.4 62.4 65.2 65.2 74.6 74.6

kW 4.56 4.96 5.24 5.80 6.26 6.64 6.80 7.42

2200 Cap. 27.2 23.0 34.4 31.6 39.4 35.8 50.2 44.0 58.6 58.6 64.6 64.6 67.4 67.4 77.0 77.0

kW 4.52 4.90 5.14 5.66 6.08 6.40 6.56 7.06

2600 Cap. 27.6 23.4 35.0 32.2 40.0 36.4 51.0 44.6 59.4 59.4 65.6 65.6 68.4 68.4 78.0 78.0

kW 4.50 4.86 5.10 5.58 5.98 6.28 6.42 6.86

2750 Cap. 27.8 23.6 35.2 32.4 40.2 36.6 51.2 44.8 59.8 59.8 66.0 66.0 68.8 68.8 78.4 78.4

kW 4.50 4.86 5.08 5.56 5.94 6.24 6.38 6.80

1650 Cap. 23.0 19.6 30.4 27.8 35.6 32.4 45.4 39.8 53.4 53.4 59.6 59.6 62.4 62.4 72.0 72.0

kW 4.66 5.08 5.38 6.00 6.48 6.88 7.06 7.72

2200 Cap. 24.0 20.4 31.6 29.0 37.0 33.8 47.4 41.4 55.8 55.8 62.2 62.2 65.0 65.0 75.0 75.0

kW 4.62 5.02 5.32 5.86 6.32 6.66 6.82 7.40

2600 Cap. 24.4 20.8 32.2 29.6 37.6 34.4 48.2 45.2 56.8 56.8 63.2 63.2 66.0 66.0 75.8 75.8

kW 4.62 5.00 5.28 5.80 6.22 6.56 6.72 7.22

2750 Cap. 24.6 21.0 32.4 29.8 37.8 34.6 48.6 42.6 57.2 57.2 63.6 63.6 66.4 66.4 76.2 76.2

kW 4.60 5.00 5.26 5.78 6.20 6.52 6.66 7.16

Cap. — Heating Capacity (1000 Btuh) (includes indoor-fan motor heat)

kW — Total Power Input (includes compressor motor power input,

outdoor-fan motor input and indoor-fan motor input)

INSTANTANEOUS AND INTEGRATED HEATING RATINGS (ENGLISH) (cont)

LEGEND

NOTES:

1. indicates integrated ratings.

2. Integrated capacity is maximum (instantaneous) capacity less the

effect of frost on the outdoor coil and the heat required to defrost it.

50TFQ009

Return

Air

(F db)

Cfm

(Standard

Air)

Air Temperature Entering Outdoor Coil (F)

01017304047 50 60

1850 Cap. 35.0 29.8 42.6 39.2 49.0 44.6 61.2 53.6 71.2 71.2 78.2 78.2 81.6 81.6 93.4 93.4

kW 5.12 5.48 5.78 6.38 6.88 7.26 7.44 8.12

2500 Cap. 35.8 30.4 43.6 40.0 50.0 45.6 62.8 55.0 72.8 72.8 80.2 80.2 83.6 83.6 96.0 96.0

kW 5.06 5.40 5.66 6.20 6.64 6.98 7.14 7.72

3000 Cap. 36.4 31.0 44.4 40.8 51.2 46.6 63.8 55.8 74.0 74.0 81.4 81.4 85.0 85.0 98.0 98.0

kW 5.00 5.32 5.60 6.08 6.48 6.78 6.94 7.46

3200 Cap. 36.6 31.0 44.6 40.8 51.2 46.8 64.0 56.0 74.2 74.2 81.6 81.6 85.2 85.2 98.2 98.2

kW 5.00 5.32 5.58 6.06 6.46 6.76 6.90 7.42

1850 Cap. 30.4 25.8 38.8 35.6 44.6 40.6 57.2 50.0 66.4 66.4 74.2 74.2 77.6 77.6 89.2 89.2

kW 5.36 5.82 6.12 6.82 7.36 7.80 8.00 8.74

2500 Cap. 31.4 26.6 39.8 36.6 46.0 42.0 58.8 51.6 68.8 68.8 76.2 76.2 79.6 79.6 91.8 91.8

kW 5.32 5.74 6.02 6.66 7.14 7.52 7.70 8.36

3000 Cap. 32.0 27.2 40.6 37.4 47.0 42.8 60.0 52.6 70.2 70.2 77.8 77.8 81.2 81.2 93.6 93.6

kW 5.28 5.68 5.96 6.54 6.98 7.34 7.50 8.10

3200 Cap. 32.2 27.2 40.8 37.4 42.0 42.8 60.2 52.6 70.4 70.4 77.8 77.8 81.4 81.4 93.8 93.8

kW 5.28 5.66 5.94 6.52 6.98 7.30 7.48 8.06

1850 Cap. 26.6 22.6 35.4 32.6 41.8 38.0 53.6 47.0 63.4 63.4 70.6 70.6 74.4 74.4 86.2 86.2

kW 5.50 6.00 6.38 7.10 7.68 8.14 8.40 9.16

2500 Cap. 27.6 23.6 36.6 33.6 43.2 39.4 55.4 48.6 65.4 65.4 73.2 73.2 76.8 76.8 88.8 88.8

kW 5.46 5.94 6.28 6.94 7.46 7.90 8.10 8.78

3000 Cap. 28.4 24.2 37.4 34.4 44.0 40.2 56.8 49.8 67.0 67.0 75.0 75.0 78.4 78.4 90.8 90.8

kW 5.44 5.88 6.22 6.82 7.32 7.70 7.88 8.52

3200 Cap. 28.4 24.2 37.6 34.4 44.2 40.2 57.0 49.8 67.2 67.2 75.2 75.2 78.6 78.6 91.0 91.0

kW 5.44 5.88 6.20 6.82 7.30 7.68 7.86 8.48

Cap. — Heating Capacity (1000 Btuh) (includes indoor-fan motor heat)

kW — Total Power Input (includes compressor motor power input,

outdoor-fan motor input and indoor-fan motor input)

Performance data (cont)

INSTANTANEOUS AND INTEGRATED HEATING RATINGS (ENGLISH) (cont)

LEGEND

NOTES:

1. indicates integrated ratings.

2. Integrated capacity is maximum (instantaneous) capacity less the

effect of frost on the outdoor coil and the heat required to defrost it.

50TFQ012

Return

Air

(F db)

Cfm

(Standard

Air)

Air Temperature Entering Outdoor Coil (F)

01017304047 50 60

2100 Cap. 42.2 36.0 50.4 46.2 56.8 51.8 69.6 61.0 79.8 79.8 87.2 87.2 90.6 90.6 103.2 103.2

kW 6.00 6.30 6.54 7.04 7.46 7.80 7.98 8.62

2800 Cap. 42.6 36.2 51.2 47.0 57.6 52.4 70.4 61.8 80.8 80.8 88.2 88.2 91.8 91.8 104.6 104.6

kW 5.80 6.06 6.26 6.68 7.04 7.32 7.46 7.98

3400 Cap. 42.8 36.4 51.6 47.4 58.0 52.8 71.0 62.2 81.4 81.4 88.8 88.8 92.4 92.4 105.4 105.4

kW 5.68 5.92 6.08 6.44 6.76 7.02 7.14 7.58

3600 Cap. 43.0 36.6 51.6 47.4 58.0 53.0 71.2 62.4 81.6 81.6 89.0 89.0 92.6 92.6 105.8 105.8

kW 5.66 5.88 6.04 6.40 6.70 6.94 7.06 7.50

2100 Cap. 39.2 33.4 47.6 43.6 53.6 48.8 66.8 58.6 77.0 77.0 84.6 84.6 88.0 88.0 100.8 100.8

kW 6.72 7.06 7.34 7.94 8.42 8.82 9.00 9.70

2800 Cap. 40.2 34.2 48.0 44.0 54.8 50.0 68.0 59.6 78.4 78.4 86.0 86.0 89.6 89.6 102.6 102.6

kW 6.54 6.82 7.06 7.54 7.94 8.26 8.40 9.00

3400 Cap. 40.6 34.6 48.6 44.6 55.6 50.6 68.8 60.4 79.2 79.2 86.8 86.8 90.6 90.6 103.4 103.4

kW 6.42 6.66 6.86 7.28 7.62 7.88 8.02 8.52

3600 Cap. 40.6 34.4 48.8 44.8 55.6 50.8 69.0 60.4 79.4 79.4 87.0 87.0 90.6 90.6 103.6 103.6

kW 6.38 6.62 6.82 7.22 7.54 7.80 7.94 8.42

2100 Cap. 36.6 31.2 45.4 41.8 51.0 46.4 64.6 56.6 74.8 74.8 82.4 82.4 86.2 86.2 98.6 98.6

kW 7.20 7.62 7.90 8.58 9.12 9.56 9.76 10.50

2800 Cap. 37.6 32.0 46.2 42.4 52.2 47.6 66.0 57.8 76.4 76.4 84.0 84.0 87.8 87.8 100.6 100.6

kW 7.04 7.38 7.62 8.18 8.60 8.96 9.12 9.72

3400 Cap. 38.2 32.6 46.8 43.0 53.2 48.4 67.0 58.8 77.4 77.4 85.2 85.2 88.8 88.8 101.8 101.8

kW 6.92 7.20 7.42 7.90 8.26 8.56 8.70 9.22

3600 Cap. 38.4 32.6 47.0 43.0 53.4 48.6 67.2 58.8 77.8 77.8 85.4 85.4 89.0 89.0 102.0 102.0

kW 6.88 7.16 7.38 7.84 8.20 8.48 8.60 9.12

Cap. — Heating Capacity (1000 Btuh) (includes indoor-fan motor heat)

kW — Total Power Input (includes compressor motor power input,

outdoor-fan motor input and indoor-fan motor input)

FAN PERFORMANCE (SI) — VERTICAL DISCHARGE UNITS

LEGEND

NOTES:

1. Boldface indicates field-supplied drive required.

2. indicates field-supplied motor and drive required.

3. Maximum usable output power (BkW) is 1.79 with standard

1.12 kW motor. Extensive motor and electrical testing on these units

ensures that the full brakepower range of the motor can be utilized

with confidence. Using your fan motors up to the brakepower ratings

shown will not result in nuisance tripping or premature motor failure.

4. Use of field-supplied motor may affect wire sizing. Contact Carrier

representative to verify.

5. Values include losses for filters, unit casing, and wet coils.

6. Motor drive range is 10.33 to 14.67 r/s. All other r/s’s will require a

field-supplied drive.

LEGEND

NOTES:

1. Boldface indicates field-supplied drive required.

2. indicates field-supplied motor and drive required.

3. Maximum usable output power (BkW) is 2.16 with standard

1.50 kW motor. Extensive motor and electrical testing on these units

ensures that the full brakepower range of the motor can be utilized

with confidence. Using your fan motors up to the brakepower ratings

shown will not result in nuisance tripping or premature motor failure.

4. Use of field-supplied motor may affect wire sizing. Contact Carrier

representative to verify.

5. Values include losses for filters, unit casing, and wet coils.

6. Motor drive range is 11.50 to 15.00 r/s. All other r/s’s will require a

field-supplied drive.

50TFQ008,009 (26.4AND29.9 kW)

Airflow

(L/s)

External Static Pressure (Pa)

50 100 150 200 250 300 350 400 450 500

R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW

1100 8.70.42 10.1 0.59 11.1 0.75 12.2 0.93 13.1 1.12 14.0 1.30 14.8 1.51 15.71.77 16.4 2.02 17.2 2.35

1200 9.30.52 10.5 0.69 11.6 0.87 12.6 1.05 13.5 1.26 14.3 1.46 15.1 1.66 15.9 1.88 16.7 2.14 17.4 2.44

1300 9.8 0.5411.0 0.81 12.1 1.01 13.0 1.20 13.9 1.41 14.71.63 15.5 1.84 16.2 1.98 16.9 2.29 17.6 2.56

1400 10.4 0.77 11.5 0.94 12.6 1.16 13.5 1.37 14.3 1.58 15.1 1.80 15.9 2.04 16.6 2.27 17.3 2.51 — —

1500 11.0 0.92 12.0 1.10 13.0 1.33 13.9 1.56 14.71.7815.5 2.00 16.3 2.25 17.0 2.50 — — — —

1600 11.6 1.08 12.6 1.28 13.5 1.50 14.4 1.76 15.2 2.00 16.0 2.23 16.7 2.47 — — — — — —

1700 12.2 1.26 13.1 1.48 14.0 1.70 14.9 1.97 15.7 2.23 16.4 2.48————————

BkW — Motor Brake (Output) Power (kW)

R/s — Fan Wheel Speed, Revolutions per Second

50TFQ012 (35.2 kW)

Airflow

(L/s)

External Static Pressure (Pa)

50 100 150 200 250 300 350 400 450 500

R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW

1300 8.40.37 9.60.51 10.8 0.6111.7 0.69 12.6 0.81 13.3 0.90 14.3 1.05 15.1 1.2715.9 1.4816.71.67

1400 8.8 0.46 10.0 0.59 11.1 0.7112.0 0.82 12.9 0.93 13.7 1.04 14.5 1.17 15.41.3516.2 1.5616.8 1.75

1500 9.2 0.55 10.40.6811.5 0.81 12.4 0.94 13.2 1.06 14.0 1.19 14.8 1.26 15.61.44 16.41.6217.1 1.83

1600 9.70.65 10.8 0.7911.8 0.93 12.8 1.07 13.6 1.19 14.4 1.33 15.1 1.46 15.8 1.59 16.5 1.7217.31.91

1700 10.2 0.75 11.2 0.91 12.2 1.06 13.1 1.20 13.9 1.34 14.7 1.48 15.41.63 16.1 1.76 16.71.89 17.42.04

1800 10.60.8711.7 1.05 12.6 1.20 13.5 1.35 14.3 1.51 15.0 1.65 15.71.80 16.41.95 17.1 2.10 17.7 2.24

1900 11.1 1.01 12.1 1.19 13.0 1.35 13.9 1.52 14.7 1.68 15.41.8416.1 1.99 16.8 2.1417.4 2.31 18.0 2.46

2000 11.6 1.16 12.5 1.35 13.4 1.52 14.3 1.69 15.0 1.86 15.8 2.0416.5 2.21 17.1 2.36 17.7 2.53 — —

2100 12.0 1.32 13.0 1.53 13.8 1.70 14.6 1.88 15.42.0716.1 2.25 16.8 2.43 — — — — — —

2200 12.5 1.50 13.4 1.71 14.3 1.91 15.1 2.09 15.8 2.29 16.5 2.48————————

2300 13.0 1.70 13.9 1.91 14.7 2.13 15.5 2.31 16.2 2.52——————————

BkW — Motor Brake (Output) Power (kW)

R/s — Fan Wheel Speed, Revolutions per Second

Performance data (cont)

FAN PERFORMANCE (SI) — HORIZONTAL DISCHARGE UNITS

LEGEND

NOTES:

1. Boldface indicates field-supplied drive required.

2. indicates field-supplied motor and drive required.

3. Maximum usable output power (BkW) is 1.79 with standard

1.12 kW motor. Extensive motor and electrical testing on these units

ensures that the full brakepower range of the motor can be utilized

with confidence. Using your fan motors up to the brakepower ratings

shown will not result in nuisance tripping or premature motor failure.

4. Use of field-supplied motor may affect wire sizing. Contact Carrier

representative to verify.

5. Values include losses for filters, unit casing, and wet coils.

6. Motor drive range is 10.33 to 14.67 r/s. All other r/s’s will require a

field-supplied drive.

LEGEND

NOTES:

1. Boldface indicates field-supplied drive required.

2. indicates field-supplied motor and drive required.

3. Maximum usable output power (BkW) is 2.16 with standard

1.50 kW motor. Extensive motor and electrical testing on these units

ensures that the full brakepower range of the motor can be utilized

with confidence. Using your fan motors up to the brakepower ratings

shown will not result in nuisance tripping or premature motor failure.

4. Use of field-supplied motor may affect wire sizing. Contact Carrier

representative to verify.

5. Values include losses for filters, unit casing, and wet coils.

6. Motor drive range is 11.50 to 15.00 r/s. All other r/s’s will require a

field-supplied drive.

50TFQ008,009 (26.4AND29.9 kW)

Airflow

(L/s)

External Static Pressure (Pa)

50 100 150 200 250 300 350 400 450 500

R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW

1100 7.9 0.359.40.50 10.6 0.68 11.7 0.85 12.7 1.03 13.6 1.25 14.4 1.46 14.9 1.6915.1 1.92 15.0 2.15

1200 8.30.42 9.8 0.59 11.0 0.78 12.0 0.95 13.0 1.15 13.9 1.36 14.8 1.58 15.5 1.82 16.0 2.06 16.4 2.31

1300 8.8 0.51 10.2 0.6911.3 0.88 12.4 1.08 13.3 1.28 14.2 1.49 15.0 1.7215.8 1.96 16.5 2.21 17.1 2.47

1400 9.2 0.6010.6 0.80 11.7 0.99 12.7 1.22 13.7 1.42 14.5 1.63 15.3 1.87 16.1 2.12 16.9 2.38 — —

1500 9.70.7111.0 0.91 12.1 1.12 13.0 1.35 14.0 1.59 14.8 1.81 15.6 2.04 16.4 2.30 — — — —

1600 10.1 0.82 11.3 1.04 12.5 1.28 13.4 1.49 14.3 1.75 15.2 2.00 15.9 2.24 — — — — — —

1700 10.6 0.93 11.8 1.20 12.9 1.44 13.8 1.67 14.7 1.92 15.5 2.20 — — — — — — — —

BkW — Motor Brake (Output) Power (kW)

R/s — Fan Wheel Speed, Revolutions per Second

50TFQ012 (35.2 kW)

Airflow

(L/s)

External Static Pressure (Pa)

50 100 150 200 250 300 350 400 450 500

R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW

1300 7.60.308.90.41 10.2 0.5611.1 0.64 12.1 0.77 13.1 0.92 13.9 0.93 14.0 0.52 15.0 1.13 15.61.32

1400 8.0 0.409.30.51 10.5 0.64 11.40.7512.4 0.88 13.3 1.01 14.1 1.11 14.6 0.96 15.41.3216.0 1.42

1500 8.40.489.60.60 10.70.7211.8 0.86 12.7 0.99 13.5 1.12 14.3 1.26 15.1 1.35 15.71.4916.41.54

1600 8.8 0.58 10.0 0.69 11.1 0.82 12.1 0.96 12.9 1.10 13.8 1.24 14.5 1.38 15.31.5416.0 1.64 16.71.72

1700 9.1 0.69 10.30.78 11.30.9312.3 1.07 13.2 1.22 14.0 1.37 14.8 1.52 15.5 1.66 16.31.8417.0 1.95

1800 9.5 0.81 10.70.90 11.7 1.05 12.6 1.20 13.5 1.36 14.3 1.52 15.0 1.67 15.8 1.8316.41.99 17.2 2.17

1900 9.9 0.95 11.0 1.02 12.0 1.18 12.9 1.34 13.8 1.50 14.6 1.68 15.31.8316.0 2.00 16.72.1617.3 2.33

2000 10.31.11 11.41.1712.3 1.32 13.2 1.48 14.1 1.66 14.9 1.83 15.62.01 16.3 2.18 17.0 2.36 17.6 2.53

2100 10.71.29 11.8 1.33 12.7 1.47 13.5 1.65 14.4 1.84 15.1 2.00 15.9 2.20 16.6 2.38 — — — —

2200 11.2 1.4812.1 1.51 13.1 1.64 13.9 1.83 14.6 2.01 15.4 2.20 16.2 2.38 — — — — — —

2300 11.6 1.70 12.5 1.71 13.4 1.83 14.2 2.01 15.0 2.20 15.7 2.41 — — — — — — — —

BkW — Motor Brake (Output) Power (kW)

R/s — Fan Wheel Speed, Revolutions per Second

FAN PERFORMANCE (ENGLISH) — VERTICAL DISCHARGE UNITS

LEGEND

NOTES:

1. Boldface indicates field-supplied drive required.

2. indicates field-supplied motor and drive required.

3. Maximum usable bhp is 2.40 with standard 1.5-hp motor. Extensive

motor and electrical testing on these units ensures that the full

horsepower range of the motor can be utilized with confidence.

Using your fan motors up to the brakepower ratings shown will not

result in nuisance tripping or premature motor failure.

4. Use of field-supplied motor may affect wire sizing. Contact Carrier

representative to verify.

5. Values include losses for filters, unit casing, and wet coils.

6. Motor drive range is 620 to 880 rpm. All other rpm’s will require a

field-supplied drive.

LEGEND

NOTES:

1. Boldface indicates field-supplied drive required.

2. indicates field-supplied motor and drive required.

3. Maximum usable bhp is 2.90 with standard 2.0-hp motor. Extensive

motor and electrical testing on these units ensures that the full

horsepower range of the motor can be utilized with confidence.

Using your fan motors up to the brakepower ratings shown will not

result in nuisance tripping or premature motor failure.

4. Use of field-supplied motor may affect wire sizing. Contact Carrier

representative to verify.

5. Values include losses for filters, unit casing, and wet coils.

6. Motor drive range is 690 to 900 rpm. All other rpm’s will require a

field-supplied drive.

50TFQ008,009 (71/2AND81/2TONS)

Airflow

(Cfm)

External Static Pressure (in. wg)

0.2 0.40.60.8 1.0 1.2 1.41.61.8 2.0

Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp

2200 5030.50 585 0.71653 0.92 716 1.15 772 1.38 824 1.63 8841.95 934 2.30916 2.64 1019 3.09

2400 534 0.616130.84677 1.06 738 1.30 794 1.55 844 1.81 892 2.08 944 2.40987 2.76 1039 3.20

2600 5650.74 639 0.97 703 1.20 761 1.46 816 1.74 866 2.01 9132.29 957 2.58 1004 2.91 1050 3.31

2800 5970.89 665 1.12 731 1.40 786 1.66 839 1.93 889 2.23935 2.52 978 2.62 1019 3.13 1061 3.47

3000 629 1.06 694 1.29 759 1.59 812 1.88 862 2.15 911 2.46 957 2.78 1000 3.09 1040 3.41 — —

3200 662 1.25 724 1.50 785 1.80 840 2.11 887 2.41 934 2.71 980 3.04 1022 3.38 — — — —

3400 696 1.46 756 1.73 811 2.02 868 2.37 914 2.69 959 3.00 1003 3.32——————

3600 729 1.69 787 1.98 839 2.27 894 2.64 942 2.99 984 3.32————————

3800 763 1.95 819 2.27 869 2.56 920 2.92 970 3.31——————————

Bhp — Brake Horsepower

Rpm — Fan Wheel Speed, Revolutions per Minute

50TFQ012 (10 TONS)

Airflow

(Cfm)

External Static Pressure (in. wg)

0.2 0.40.60.8 1.0 1.2 1.41.61.8 2.0

Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp

3000 5320.64 605 0.81 6700.97725 1.12 778 1.28 825 1.43 874 1.60 9261.82 974 2.11 1012 2.36

3200 5570.75628 0.93690 1.10 746 1.28 796 1.44 844 1.61 888 1.70 934 1.94988 2.18 1025 2.47

3400 5830.88 651 1.06711 1.25 767 1.44 815 1.61 863 1.79 9071.97947 2.14991 2.32 10382.57

3600 609 1.01 674 1.22 732 1.42 787 1.61 836 1.80 880 1.98 9262.18 966 2.36 10042.5410452.74

3800 5351.16698 1.39 755 1.59 808 1.80 857 2.01 901 2.20 943 2.39 985 2.60 10232.791059 2.98

4000 6621.33 722 1.57 778 1.78 829 2.01 878 2.22 922 2.44 9622.63 10032.841042 3.06 1078 3.26

4200 689 1.52 746 1.77 801 1.99 851 2.23 898 2.45 943 2.69983 2.91 1021 3.11 1060 3.34 — —

4400 715 1.72 772 1.99 825 2.22 873 2.46 919 2.71963 2.94 1004 3.19 1042 3.41————

4600 742 1.94 797 2.22 848 2.48 896 2.72 940 2.98 984 3.22 1025 3.48——————

4800 770 2.18 823 2.46 872 2.75 919 3.00 963 3.27——————————

5000 797 2.44 849 2.73 897 3.04 943 3.30————————————

Bhp — Brake Horsepower

Rpm — Fan Wheel Speed, Revolutions per Minute

Performance data (cont)

FAN PERFORMANCE (ENGLISH) — HORIZONTAL DISCHARGE UNITS

LEGEND

NOTES:

1. Boldface indicates field-supplied drive required.

2. indicates field-supplied motor and drive required.

3. Maximum usable bhp is 2.40 with standard 1.5-hp motor. Extensive

motor and electrical testing on these units ensures that the full

horsepower range of the motor can be utilized with confidence.

Using your fan motors up to the brakepower ratings shown will not

result in nuisance tripping or premature motor failure.

4. Use of field-supplied motor may affect wire sizing. Contact Carrier

representative to verify.

5. Values include losses for filters, unit casing, and wet coils.

6. Motor drive range is 620 to 880 rpm. All other rpm’s will require a

field-supplied drive.

LEGEND

NOTES:

1. Boldface indicates field-supplied drive required.

2. indicates field-supplied motor and drive required.

3. Maximum usable bhp is 2.90 with standard 2.0-hp motor. Extensive

motor and electrical testing on these units ensures that the full

horsepower range of the motor can be utilized with confidence.

Using your fan motors up to the brakepower ratings shown will not

result in nuisance tripping or premature motor failure.

4. Use of field-supplied motor may affect wire sizing. Contact Carrier

representative to verify.

5. Values include losses for filters, unit casing, and wet coils.

6. Motor drive range is 690 to 900 rpm. All other rpm’s will require a

field-supplied drive.

50TFQ008,009 (71/2AND81/2TONS)

AIRFLOW

(Cfm)

External Static Pressure (in. wg)

0.2 0.40.60.8 1.0 1.2 1.41.61.8 2.0

Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp

2200 459 0.425490.62625 0.83 691 1.06 753 1.31 805 1.58 842 1.87 857 2.16 851 2.45 823 2.70

2400 482 0.50 5690.71645 0.95 708 1.18 768 1.40 824 1.72 872 2.01 909 2.32931 2.64 935 2.96

2600 5070.59 592 0.82 663 1.08 727 1.32 784 1.58 839 1.87 891 2.17936 2.49 973 2.82 999 3.16

2800 533 0.71615 0.95 683 1.20 747 1.49 802 1.75 855 2.04 9062.35954 2.67 997 3.01 1034 3.36

3000 559 0.83637 1.09 704 1.35 765 1.66 823 1.94 872 2.22 921 2.54 969 2.88 1014 3.22 — —

3200 585 0.96660 1.24 727 1.52 785 1.83 841 2.15 892 2.45 939 2.76 984 3.10 — — — —

3400 610 1.10 682 1.41 750 1.72 806 2.01 860 2.36 912 2.69 958 3.01 1002 3.34 — — — —

3600 636 1.25 707 1.60 772 1.93 828 2.23 880 2.57 930 2.95 978 3.29——————

3800 661 1.41 733 1.82 795 2.15 852 2.48 901 2.80 949 3.20————————

Bhp — Brake Horsepower

Rpm — Fan Wheel Speed, Revolutions per Minute

50TFQ012 (10 TONS)

Airflow

(Cfm)

External Static Pressure (in. wg)

0.2 0.40.60.8 1.0 1.2 1.41.61.8 2.0

Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp

3000 4840.55 5600.706310.87690 1.03 747 1.20 800 1.38 850 1.52 879 1.38 925 1.81 964 1.92

3200 505 0.66 5790.81646 0.98 708 1.16 761 1.34 812 1.51 862 1.71 908 1.85 944 2.01 9842.09

3400 5270.78 599 0.93 664 1.11 724 1.30 775 1.48 827 1.67 873 1.85 920 2.07963 2.21 1001 2.31

3600 5480.92619 1.05 680 1.24738 1.43 794 1.64 840 1.83 888 2.04 9312.23976 2.47 10172.62

3800 5711.086391.19698 1.39 756 1.60 810 1.81 856 2.02 901 2.239452.44 9862.65 1029 2.89

4000 5931.25 659 1.35717 1.56 773 1.78 823 1.98 875 2.22 915 2.429602.65 1000 2.871039 3.10

4200 6161.45680 1.53737 1.74 789 1.95 841 2.18 889 2.41 934 2.659722.871015 3.12 1053 3.34

4400 6391.67 701 1.73 757 1.92 807 2.16 858 2.41 9032.62 951 2.89 990 3.12 1028 3.36 — —

4600 6621.91722 1.95 777 2.13 827 2.38 874 2.62 921 2.87965 3.11 1008 3.39 — — — —

4800 6862.17744 2.20 797 2.36 846 2.62 891 2.85 938 3.14 980 3.37——————

5000 710 2.45 766 2.47 816 2.61 866 2.86 910 3.12 934 3.39————————

Bhp — Brake Horsepower

Rpm — Fan Wheel Speed, Revolutions per Minute

ACCESSORY STATIC PRESSURE DROP (Pa)

50TFQ008-012

ACCESSORY STATIC PRESSURE DROP (in. wg)

50TFQ008-012

FAN R/S AT MOTOR PULLEY SETTINGS (SI)

FAN RPM AT MOTOR PULLEY SETTINGS (ENGLISH)

OUTDOOR SOUND DATA

(Total Unit)

ELECTRIC HEATING CAPACITIES

*Two heater packages are required to provide kW indicated.

INDOOR-FAN MOTOR EFFICIENCY

COMPONENT L/s

1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300

1 Heater Module 6 8 10 12 14 16 18 19 21 23 25 27 29

2 Heater Modules 10 12 15 17 20 22 25 27 29 32 34 37 39

Economizer 567891011121314151617

COMPONENT CFM

2200 2500 3000 3500 4000 4500 5000 5500 6000

1 Heater Module .02 .03 .05 .07 .08 .10 .12 .14 .16

2 Heater Modules .03 .05 .07 .09 .12 .14 .16 .19 .21

Economizer .02 .02 .03 .04 .05 .06 .07 .08 .09

UNIT

50TFQ

MOTOR PULLEYTURNS OPEN

01/211

1/222

1/233

1/244

1/25

008,009 14.67 14.25 13.83 13.33 12.92 12.50 12.08 11.67 11.25 10.83 10.33

012 15.00 14.58 14.25 13.92 13.58 13.25 12.92 12.58 12.25 11.92 11.50

UNIT

50TFQ

MOTOR PULLEYTURNS OPEN

01/211

1/222

1/233

1/244

1/25

008,009 880 855 830 800 775 750 725 700 675 650 620

012 900 875 855 835 815 795 775 755 735 715 690

UNIT

50TFQ

SOUNDRATING

(Bels)

A-WEIGHTED

(dB)

SOUNDPOWER (dB)

OCTAVEBANDS

63 125 250 500 1000 2000 4000 8000

008 8.2 80.3 56.6 68.4 70.4 73.4 75.3 71.3 71.6 65.8

009 8.2 81.9 60.5 69.1 73.3 75.3 76.6 74.8 69.7 64.0

012 8.2 80.0 59.8 67.6 69.5 73.9 75.5 72.3 68.0 63.0

UNIT

50TFQ

ELECTRICAL

CHARACTERISTICS

ACCESSORY

008,009 400-3-50

9.6

11.5

19.3

22.9

28.9*

012 400-3-50

11.5

19.3

22.9

28.9

34.7*

UNIT 50TFQ MOTOR EFFICIENCY

(%)

008-012 80

Performance data (cont)

INDOOR-FAN MOTOR PERFORMANCE

LEGEND

*Extensive motor and electrical testing on these units ensures that the full BkW (or brake horse-

power) range of the motors can be utilized with confidence. Using your fan motors up to the BkW

(or brake horsepower) ratings shown in this table will not result in nuisance tripping or premature

motor failure. Unit warranty will not be affected.

MULTIPLICATION FACTORS

UNIT

50TFQ

INDOOR-FAN

MOTOR

UNIT

VOLTAGE

MAXIMUM

ACCEPTABLE

CONTINUOUS

BkW*

MAXIMUM

ACCEPTABLE

CONTINUOUS

BHP*

MAXIMUM

ACCEPTABLE

OPERATING

WATTS

MAXIMUM

AMP

DRAW

008 Standard 400 1.79 2.40 2120 2.7

009 Standard 400 1.79 2.40 2120 2.7

012 Standard 400 2.16 2.90 2615 3.6

Bhp — Brake Horsepower

BkW — Fan Input Watts x Motor Efficiency

HEATER kW

RATING

(Nominal V)

VOLTAGE

DISTRIBUTION

V-3-50

MULTIPLICATION FACTOR

FOR CAPACITY

MULTIPLICATIO N FACTOR

FOR FULL LOADAMPS

400 380

415

0.902

1.076

0.949

1.037

DURABLADE ECONOMIZER BAROMETRIC

RELIEF DAMPER CHARACTERISTICS

50TFQ008-012

LEGEND

*Heaters are field installed only.

†Used to determine minimum disconnect per NEC (U.S.A. Standard).

**Heater capacity (kW) is based on heater voltage of 400 v. If power

distribution voltage to unit varies from rated heater voltage, heater kW

will vary accordingly.

††Fuse or HACR circuit breaker.

NOTES:

1. In compliance with NEC requirements for multimotor and combina-

tion load equipment (refer to NEC Articles 430 and 440), the over-

current protective device for the unit shall be fuse or HACR

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 per-

centage of voltage imbalance.

% Voltage Imbalance

Example: Supply voltage is 400-3-50.

AB = 393 v

BC = 403 v

AC = 396 v

= 397

Determine maximum deviation from average voltage.

(AB) 397 – 393 = 4 v

(BC) 403 – 397 = 6 v

(AC) 397 – 396 = 1 v

Maximum deviation is 6 v.

Determine percent of voltage imbalance.

=1.5%

This amount of phase imbalance is satisfactory as it is below the

maximum allowable 2%.

UNIT

50TFQ

NOMINAL

V-PH-Hz

IFM

TYPE

VOLTAGE

RANGE

COMPRESSOR

(each) OFM

FLA

IFM

FLA

ELECTRIC HEAT*POWER SUPPLYDISCONNECT

SIZE†

Min Max RLA LRA Nominal

kW** FLA MCA MOCP FLA LRA

008 400-3-50 STD 360 440 6.7 42.0 0.6 2.6

— — 18.9 20†† 20 108

9.6 13.9 36.3 40†† 36 122

11.5 16.6 39.6 40†† 39 125

19.3 27.9 53.8 60†† 52 136

22.9 33.1 60.3 70 58 141

28.9 41.7 71.0 80 68 150

009 400-3-50 STD 360 440 7.3 69.0 0.6 2.6

— — 20.2 25†† 21 162

9.6 13.9 37.6 40†† 37 176

11.5 16.6 41.0 45†† 40 179

19.3 27.9 55.1 60†† 53 190

22.9 33.1 61.6 70 59 195

28.9 41.7 72.4 80 69 204

012 400-3-50 STD 360 440 9.2 59.6 0.6 3.4

— — 25.3 30†† 26 152

11.5 16.6 46.1 50†† 46 169

19.3 27.9 60.2 70 59 180

22.9 33.1 66.7 70 65 186

28.9 41.7 77.4 80 74 194

34.7 50.1 87.9 90 84 203

FLA — Full Load Amps

HACR — Heating, Air Conditioning and Refrigeration

IFM — Indoor-Fan Motor

LRA — Locked Rotor Amps

MCA — Minimum Circuit Amps

MOCP — Maximum Overcurrent Protection

NEC — National Electrical Code (U.S.A. Standard)

OFM — Outdoor-Fan Motor

RLA — Rated Load Amps

= 100 x max voltage deviation from average voltage

average voltage

Average Voltage = 393 + 403 + 396

=1192

% Voltage Imbalance = 100

397

IMPORTANT: If the supply voltage phase imbalance is

more than 2%, contact your local electric utility company

immediately.

Electrical data

Typical piping and wiring

HORIZONTAL DISCHARGE DUCTING

VERTICAL DISCHARGE DUCTING

LEGEND

NEC — National Electrical Code (U.S.A.)

Operating sequence

Cooling, units without economizer — When the ther-

mostat calls for cooling, terminals G and Y1 are energized.

The indoor-fan contactor (IFC), RVS1 (reversing valve sole-

noid), compressor contactor no. 1 (C1), and outdoor-fan

contactor (OFC) are energized and the indoor-fan motor,

compressor no. 1, and outdoor fans start. The outdoor-fan

motors run continuously while unit is cooling. If the ther-

mostat calls for a second stage of cooling by energizing Y2,

compressor contactor no. 2 (C2) and RVS2 are energized

and compressor no. 2 starts.

Heating, units without economizer — Upon a request

for heating from the space thermostat, terminal W1 will be

energized with 24 v. The IFC, OFC, C1, and C2 will be

energized. The reversing valves switch position and the

indoor fan, outdoor fan, compressor no. 1, and compres-

sor no. 2 are energized.

If the space temperature continues to fall while W1 is

energized, W2 will be energized with 24 v, and the heater

contactor(s) (HC) will be energized, which will energize the

electric heater(s).

When the space thermostat is satisfied, W2 will be deen-

ergized first, and the electric heater(s) will be deenergized.

Upon a further rise in space temperature, W1 will be

deenergized, and the reversing valve solenoids (RVS1 and

RVS2) will be energized.

Cooling, units with Durablade economizer — When

the outdoor-air temperature is above the OAT setting and

the room thermostat calls for cooling, the compressor con-

tactor no. 1 is energized to start compressor no. 1 and

outdoor-fan motors. RVS1 (reversing valve solenoid) is

energized). The indoor-fan motor (IFM) is energized and

the economizer damper moves to the minimum position.

Upon a further call for cooling, compressor contactor

no. 2 will be energized, starting compressor no. 2. RVS2 is

energized. After the thermostat is satisfied and the IFM

is deenergized, the damper moves to the fully closed

position.

When the outdoor air temperature is below the OAT set-

ting and the thermostat calls for Y1 and G, the economizer

damper moves to the minimum position when the indoor

fan starts. The first stage of cooling is provided by the

economizer. If the supply-air temperature is above 14 C

(57 F), a switch on the supply-air thermostat is closed

between the T2 terminal and the 24 vac terminal. This

causes the damper to continue to modulate open until the

supply-air temperature falls below 13 C (55 F) or the

damper reaches the fully open position.

When the supply-air temperature is between 13 C (55 F)

and 11 C (52 F), the supply-air thermostat has open

switches between the T2 and 24 vac terminals and

between the T1 and 24 vac terminals. This causes the

economizer damper to remain in an intermediate open

position.

If the supply-air temperature falls below 11 C (52 F), a

switch on the supply-air thermostat is closed between the

T1 terminal and the 24 vac terminal. This causes the

damper to modulate closed until the supply-air temperature

rises above 13 C (55 F) or the damper reaches the mini-

mum position.

When the supply-air temperature is between 13 C (55 F)

and 14 C (57 F), the supply-air thermostat has open

switches between the T2 and 24 vac terminals. This causes

the economizer damper to remain in an intermediate open

position.

If the outdoor air alone cannot satisfy the cooling

requirements of the conditioned space, economizer cool-

ing is integrated with mechanical cooling, providing second

stage cooling. Compressor no. 1 and outdoor fans will be

energized, and the position of the economizer damper will

be determined by the supply-air temperature. Compressor

no. 2 is locked out.

When the second stage of cooling is satisfied, the com-

pressor, RVS2, and outdoor fan motors will be deener-

gized. The damper position will be determined by the

supply-air temperature.

When the first stage of cooling is satisfied, the damper

will move to fully closed position.

Cooling, units with EconoMi$er — When the OAT is

above the ECON SP set point and the room thermostat

calls for Stage 1 cooling (R to G + Y1), the indoor-fan

motor (IFM) is energized and the EconoMi$er damper

modulates to minimum position. The compressor contac-

tor and OFC are energized to start the compressor, out-

door-fan motors (OFM), and RVS1 (reversing valve

solenoid). After the thermostat is satisfied, the damper

modulates to the fully closed position when the IFM is

deenergized.

When the OAT is below the ECON SP setting and the

room thermostat calls for Stage 1 cooling (R to G + Y1),

the EconoMi$er modulates to the minimum position when

the IFM is energized. The EconoMi$er provides Stage 1 of

cooling by modulating the return and outdoor-air dampers

to maintain a 13 C (55 F) supply air set point. If the supply-

air temperature (SAT) is greater than 14 C (57 F), the

EconoMi$er modulates open, allowing a greater amount of

outdoor air to enter the unit. If the SAT drops below 12 C

(53 F), the outdoor air damper modulates closed to reduce

the amount of outdoor air. When the SAT is between 12 C

and 14 C (53 and 57 F), the EconoMi$er maintains its

position.

If outdoor air alone cannot satisfy the cooling require-

ments of the conditioned space, and the OAT is above the

MECH CLG LOCKOUT set point, the EconoMi$er inte-

grates free cooling with mechanical cooling. This is accom-

plished by the strategies below.

NOTE: Compressor has a two-minute Minimum On, Mini-

mum Off, and interstage delay timer.

If Y1 is energized, and the room thermostat calls for Y2

(2-stage thermostat), the compressor and OFC are ener-

gized. The position of the EconoMi$er damper is main-

tained at its current value.

If Y1 is energized for more than 20 minutes, and Y2 is

not energized (whether or not a 2-stage thermostat is

used), the compressor and OFCs are energized. The

position of the EconoMi$er damper is maintained at its

current value.

Controls

If Y1 is energized, and the compressor no. 1 is already

energized (see Step 2) and the room thermostat calls for

Y2, compressor no. 1 continues to operate. If Y2 remains

energized for more than 20 minutes, compressor no. 2 is

energized.

NOTE: Compressor no. 2 cannot be energized unless

there is a signal for Y2 from the space thermostat.

If compressor no. 2 is energized, and the Y2 signal from

the thermostat is satisfied, compressors 1 and 2 are deen-

ergized. Re-asserting Y2 will start compressor no. 1 and

(after a 20-minute interstage delay) compressor no. 2.

If compressor no. 1 is energized and the thermostat is

satisfied, the compressor no. 1, the OFMs, and IFM are

deenergized and the EconoMi$er modulates closed.

When the OAT is below the MECH CLG LOCKOUT set

point, the compressors remain off.

Heating, units with economizer — Upon a call for heat

through W1, the IFC energizes to start the evaporator fan

and the economizer damper blade opens to the minimum

position. If the accessory two-position damper is used, the

outdoor-air damper opens to the minimum position when-

ever the evaporator fan runs. If unit is equipped with

2 stages of heat, when additional heat is needed a call is

made through W2.

As space temperature approaches the heating tempera-

ture set point, heating stages cycle off. Economizer or two-

position damper returns to fully closed position.

Defrost — When the temperature of the outdoor coil

drops below –2 C (28 F) as sensed by the defrost thermo-

stat (DFT2) and the defrost timer is at the end of a timed

period (adjustable at 30, 50, or 90 minutes), reversing

valve solenoids (RVS1 and RVS2) are energized and the

OFC is deenergized. This switches the position of the

reversing valves and shuts off the outdoor fans. The electric

heaters (if installed) will be energized.

The unit continues to defrost until the coil temperature

as measured by the DFT2 reaches 18 C (65 F), or the dura-

tion of defrost cycle completes a 10-minute period.

During the Defrost mode, if circuit 1 defrosts first, RVS1

will oscillate between Heating and Cooling modes until the

Defrost mode is complete.

At the end of the defrost cycle, the electric heaters (if

installed) will be deenergized; the reversing valves switch

and the outdoor-fan motors will be energized. The unit will

now operate in the Heating mode.

If the space thermostat is satisfied during a defrost cycle,

the unit will continue in the Defrost mode until the time or

temperature constraints are satisfied.

High-pressure switch — The high-pressure switch con-

tains a Schrader core depressor, and is located on the com-

pressor hot gas line. This switch opens at 2951 kPa

(428 psig) and closes at 2206 kPa (320 psig). No adjust-

ments are necessary.

Loss-of-charge switch — The loss-of-charge switch con-

tains a Schrader core depressor, and is located on the com-

pressor liquid line. This switch opens at 48.26 kPa (7 psig)

and closes at 151 kPa (22 psig). No adjustments are

necessary.

Freeze-stat — The freeze-stat is a bimetal temperature-

sensing switch that is located on the “hair-pin” end of the

evaporator coil. The switch protects the evaporator coil

from freeze-up due to lack of airflow. The switch opens at

–1 C (30 F) and closes at 7 C (45 F). No adjustments are

necessary.

Typical wiring schematic

LEGEND AND NOTES FOR TYPICAL WIRING SCHEMATIC

AHA — Adjustable Heat Anticipator

AWG—American Wire Gage

C—Contactor, Compressor

CAP — Capacitor

CB — Circuit Breaker

CC — Cooling Capacitor

CLO — Compressor Lockout

COMP — Compressor Motor

D—Diode

DB—Defrost Board

DFT — Defrost Thermostat

EC — Enthalpy Control

ECON — Economizer

EPS — Emergency Power Supply

(Nine-Volt Battery)

EQUIP — Equipment

ER — Economizer Relay

FPT — Freeze-Up Protection Thermostat

FU — Fuse

GND—Ground

HC — Heater Contactor (Strip Heat)

HPS — High-Pressure Switch

HR — Heater Relay

IFC — Indoor-Fan Contactor

IFM — Indoor-Fan Motor

IFMOVL— Indoor-Fan Motor Overload

LPS — Low-Pressure Switch

LSM — Limit Switch (Manual Reset)

MCA — Minimum Circuit Amps

MTR — Motor

OAT — Outdoor-Air Thermostat

OFC — Outdoor-Fan Contactor

OFM — Outdoor-Fan Motor

P—Plug

PL — Plug Assembly

QT — Quadruple Terminal

R—Relay

RVS—Reversing Valve Solenoid

SAT — Supply-Air Thermostat

SW1 — Switch Fully Open

SW2 — Switch Fully Closed

SW3—Switch Min Vent Position

SW4—Switch Max Vent Position

TB — Terminal Block

TC — Thermostat-Cooling

TH — Thermostat-Heating

TRAN — 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.

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. Thermostat:

HH07AT172 and P272-2783

Subbase:

HH93AZ176, 178 and P272-1882, 1883

4. Set heat anticipator at 0.8 amp for first stage and 0.3 amp for second stage.

5. Use copper conductors only.

6. Use copper, copper-clad aluminum or aluminum conductors.

VOLTAGE

RATING

CB MUST TRIP

AMPS

Manufacturer’s Part No.

24V Potter &Brumfield 3.2

W28X-1024-3.2

LEGEND

Outdoor installation — Units approved for outdoor

installation only.

Ductwork — Secure vertical discharge ductwork to roof

curb. For horizontal discharge applications, either attach

ductwork to unit, or use field-supplied flanges attached to

the horizontal discharge openings and attach all ductwork

to flanges.

Horizontal discharge — To convert from vertical dis-

charge to horizontal discharge:

1. Remove economizer or two-position damper to gain

access to return duct opening.

2. Move the horizontal-discharge duct opening covers to

the vertical discharge openings.

3. Rotate economizer or two-position damper

90 degrees.

4. Rotate the barometric relief damper 90 degrees.

5. Install block-off plate over the opening on the access

panel.

Thru-the-bottom power connections — For applica-

tions requiring thru-the-bottom connections, Carrier acces-

sory thru-the-bottom package must be purchased to ensure

proper connections.

Thermostat — Use of 2-stage heating and cooling ther-

mostat is recommended for all units. A 2-stage cooling

thermostat is required on units with accessory economizer

to provide integrated cooling.

Heating-to-cooling changeover — All units are auto-

matic changeover from heating to cooling when automatic

changeover thermostat and subbase are used.

Airflow — Units are draw-thru on cooling and blow-thru

on heating.

Maximum airflow — To minimize the possibility of con-

densate blow-off from evaporator, airflow through units

should not exceed 236 L/s per kW (500 cfm/ton).

Minimum airflow — For cooling, minimum airflow is

142 L/s per kW (300 cfm/ton). For 50TFQ units with

electric heating, required minimum L/s is 1062 (cfm is

2250) for 50TFQ008; 1203 (2500) for 50TFQ009;

and 1416 (3000) for 50TFQ012, with the following

exceptions:

Minimum ambient cooling operating temperature

— The minimum temperature for standard units is –4 C

(25 F). With accessory Motormaster® control, units can

operate at outdoor temperatures down to –17 C (0° F).

Internal unit design — Due to Carrier’s internal unit

design (draw-thru over the motor), air path, and specially

designed motors, the full kW (maximum continuous BkW)

or the full horsepower (maximum continuous bhp) listed in

the Physical Data table and the notes following each Fan

Performance table can be utilized with confidence.

Using Carrier motors with the values listed in the Physi-

cal and Fan Performance Data tables will not result in nui-

sance tripping or premature motor failure. The unit

warranty will not be affected.

Apollo direct digital controls — The Apollo direct digi-

tal controls must be used with either a Carrier master or

monitor thermostat.

UNIT

50TFQ

UNIT

VOLTAGE

HEATER

UNIT

CONFIGURATION

REQUIRED

MINIMUM

L/s (Cfm)

012 400 34.7

Horizontal

Ver t ic al

1510

(3200)

Application data

Packaged Rooftop Air-to-Air Heat Pump

with Electric Heat Option — Constant

Volume Application

HVAC Guide Specifications

Size Range: 26.4 to 35.2 kW (71/2 to 10 Tons),

Nominal Cooling

Carrier Model Number: 50TFQ

Part 1 — General

1.01 SYSTEM DESCRIPTION

Outdoor rooftop- or slab-mounted, electrically con-

trolled air-to-air heat pump utilizing a hermetic

compressor for heating and cooling duty. Unit shall

discharge supply air vertically or horizontally as

shown on contract drawings.

1.02 QUALITY ASSURANCE

A. Unit shall be rated in accordance with ARI

Standards 210/240 and 270 (U.S.A. Standard).

B. Unit shall be designed to conform to ASHRAE 15,

latest revision, and in accordance with UL 1995

(U.S.A. Standard).

C. Unit shall be UL tested and certified in accordance

with ANSI Z21.47 (U.S.A. Standard) and UL listed

and certified under Canadian Standards as a total

package for safety requirements.

D. Roof curb shall be designed to conform to NRCA

Standards (U.S.A. Standard).

E. Insulation and adhesive shall meet NFPA 90A

requirements for flame spread and smoke genera-

tion (U.S.A. Standard).

F. Unit casing shall be capable of withstanding U.S.A.

Test Method Standard No. 141 (Method 6061)

500-hour salt spray test.

1.03 DELIVERY, STORAGE, AND HANDLING

Unit(s) shall be stored and handled per manufac-

turer’s recommendations.

Part 2 — Products

2.01 EQUIPMENT (STANDARD)

A. General:

Factory-assembled, single-piece air-to-air heat

pump. 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, bonderized and coated with a baked

enamel finish on all externally exposed surfaces

with primer coated internal panels.

2. Indoor fan cabinet interior shall be insulated

with a minimum 13-mm (1/2-in.) thick flexible

fiberglass insulation coated on the air side.

3. Cabinet panels shall be easily removable for

servicing.

4. Holes shall be provided in the base rails for rig-

ging shackles to facilitate overhead rigging, and

forklift slots shall be provided to facilitate

maneuvering.

5. Unit shall have a factory-installed, sloped con-

densate drain pan made of a non-corrosive

material, providing a minimum 19-mm (3/4-in.)

connection with both vertical and horizontal

drains and shall comply with ASHRAE 62.

6. Unit shall have factory-installed filter access

panel to provide filter access with tool-less

removal.

7. Unit shall have standard thru-the-bottom power

connection capability.

C. Fans:

1. Indoor blower shall be belt-driven, double inlet,

forward-curved centrifugal type. Belt drive shall

include an adjustable-pitch motor pulley.

2. Indoor blower shall be made from steel with a

corrosion-resistant finish and shall be dynami-

cally balanced.

3. Bearings shall be of the sealed, permanently

lubricated, ball-bearing type for longer life and

lower maintenance.

4. Outdoor fan shall be of the direct-driven propel-

ler type and shall discharge air vertically.

5. Outdoor fan shall have aluminum blades riveted

to corrosion-resistant steel spiders and shall be

dynamically balanced.

D. Compressor(s):

1. Fully hermetic type, internally protected.

2. Factory rubber shock-mounted and internally

spring mounted for vibration isolation.

E. Coils:

1. Outdoor and indoor coils shall have aluminum

plate fins mechanically bonded to enhanced

copper tubes with all joints brazed.

2. Tube sheet openings shall be belled to prevent

tube wear.

3. Indoor coil shall be of the full face active design.

F. Refrigerant Components:

Refrigerant circuit components shall include:

1. Acutrol™ multiple independent circuit feed

system.

2. Filter strainer to eliminate any moisture or for-

eign matter.

3. Service gage connections on suction, discharge,

and liquid line to charge, evacuate, and contain

refrigerant.

4. Accumulator.

5. Reversing valve.

G. Filter Section:

1. Standard filter section shall consist of factory-

installed low-velocity, throwaway 51-mm (2-in.)

thick fiberglass filters of commercially available

sizes.

2. Filter face velocity shall not exceed 1.52 m/s

(300 fpm) at nominal airflows.

3. Filter section shall use only one size filter.

Guide specifications

4. Filters shall be accessible through an access

panel with ‘‘no-tool’’ removal.

H. Controls and Safeties:

1. Unit Controls:

a. Unit shall be complete with self-contained

low-voltage control circuit.

b. Unit shall incorporate an outdoor coil

defrost system to prevent excessive frost

accumulation during heating duty, and shall

be controlled as follows:

1) Defrost shall be initiated on the basis of

time and coil temperature.

2) A 30/50/90-minute timer shall activate

defrost cycle only if coil temperature is

low enough to indicate a heavy frost

condition.

3) Defrost cycle shall terminate when de-

defrost thermostat is satisfied and shall

have a positive termination time of

10 minutes.

2. Refrigerant Controls:

Unit shall contain high-pressure, loss-of-

charge/low-pressure, and freeze protection

switches.

3. Standard Safeties:

Unit shall incorporate compressor overtemper-

ature and overcurrent safety devices to shut off

compressor.

I. Operating Characteristics:

1. Unit shall be capable of starting and running in

cooling at 51 C (125 F) ambient outdoor tem-

perature, meeting maximum load criteria of

ARI Standard 210/240 at ±10% voltage.

2. Compressor with standard controls shall be

capable of cooling operation down to –4 C

(25 F) ambient outdoor temperature.

3. Compressor shall be capable of operation in

heating duty down to –23 C (–10 F) ambient

outdoor-air temperature.

4. Unit shall be capable of simultaneous heating

duty and defrost cycle operation when using

electric heaters indicated in Section L, Special

Features.

J. Electrical Requirements:

All unit power wiring shall enter unit cabinet at a sin-

gle factory-predrilled location.

K. Motors:

1. Compressor motors shall be cooled by refriger-

ant passing through motor windings and shall

have line break thermal and current overload

protection.

2. Indoor blower motor shall have permanently

lubricated bearings and inherent automatic-

reset thermal overload protection.

3. Totally enclosed outdoor-fan motor shall have

permanently lubricated bearings, and inherent

automatic-reset thermal overload protection.

L. Special Features:

Certain features are not applicable when the fea-

tures designated by * are specified. For assistance in

amending the specifications, your local Carrier Sales

Office should be contacted.

* 1. Direct Digital Controls:

a. Shall be available as a factory-installed

option.

b. Shall actively monitor all modes of opera-

tion, as well as indoor-fan status, filter status,

indoor-air quality, supply-air temperature,

and outdoor-air temperature.

c. Shall work with Carrier TEMP and VVT®

systems.

d. Shall have built-in diagnostics for thermostat

commands for both staged heating and cool-

ing, indoor-fan operation, and economizer

operation.

e. Shall be equipped with a 5-minute time

delay between modes of operation.

2. Roof Curbs:

a. Formed galvanized steel with wood nailer

strip and capable of supporting entire unit

weight.

b. Allows for installing and securing ductwork

to curb prior to mounting unit on the curb.

* 3. Integrated Economizers:

a. Integrated integral-modulating type capable

of simultaneous economizer and compressor

operation.

b. Includes all hardware and controls to provide

cooling with outdoor air.

c. Equipped with low-leakage dampers not to

exceed 3% leakage at 1.868 mm Hg (1 in.

wg) pressure differential.

d. Capable of introducing up to 100% outdoor

air in both minimum and fully open

positions.

e. Equipped with a gravity relief sliding plate

damper. Damper shall close upon unit shut-

off.

f. Economizer is equipped with 30% of return-

air relief.

g. Designed to close damper during loss-of-

power situations with emergency power

supply.

h. Dry bulb outdoor-air thermostat protection

shall be provided as standard.

i. Economizer is a guillotine-style damper

design.

* 4. 25% Manual Outdoor-Air Damper:

Manual damper package shall consist of

damper, birdscreen, and rainhood which can be

preset to admit up to 25% outdoor air for year-

round ventilation.

* 5. 50% Manual Outdoor-Air Damper:

Manual damper package shall consist of

damper birdscreen, and rainhood which can be

Guide specifications (cont)

preset to admit up to 50% outdoor air for year-

round ventilation.

* 6. 100% Two-Position Damper:

a. Two-position damper package shall include

single blade damper. Admits up to 100%

outdoor air.

b. Damper shall close upon indoor fan shutoff.

c. Designed to close damper during loss of

power situations.

d. Equipped with barometric relief damper.

* 7. 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 fan shutoff.

c. Designed to close damper during loss of

power situations.

d. Equipped with barometric relief damper.

* 8. Solid-State Enthalpy Control:

a. For use with economizer only.

b. Capable of sensing outdoor-air enthalpy

content (temperature and humidity) and con-

trolling economizer cut-in point to have

minimum heat content air passing over the

indoor coil for most efficient system

operation.

* 9. Differential Enthalpy Sensor:

a. For use with economizer only.

b. Capable of comparing enthalpy content

(temperature and humidity) of outdoor and

indoor air and controlling economizer cut-in

point at the most economical level.

*10. Electric Resistance Heaters:

a. Open wire nichrome elements with all nec-

essary safety operating controls.

b. UL listed and indicated on basic unit infor-

mative plate.

c. Available in multiples to match heating

requirements.

d. Single point kits available for each heater

when required.

*11. Head Pressure Control Packages:

Consists of solid-state control and outdoor-coil

temperature sensor to maintain condensing

temperature between 32 C (90 F) and 43 C

(110 F) at outdoor ambient temperatures down

to –17 C (0° F) by outdoor fan cycling.

*12. Thermostat and Subbase:

Provides staged cooling and heating automatic

(or manual) changeover, fan control, and indica-

tor light.

13. Thru-The-Bottom Service Connections:

Kit shall provide connectors to permit electrical

connections to be brought to the unit through

the basepan.

*14. Electronic Programmable Thermostat:

Capable of using deluxe full-featured electronic

thermostat. Shall use built-in compressor cycle

delay control for both heating and cooling duty.

Capable of working with Carrier direct digital

controls.

15. Outdoor Coil Hail Guard Assembly:

Hail guard shall protect against damage from

hail and flying debris.

16. Outdoor Coil Grille:

The grille protects the outdoor coil from dam-

age by large objects without increasing unit

clearances.

17. Compressor Cycle Delay:

Unit shall be prevented from restarting for a

minimum of 5 min. after shutdown.

18. Salt Spray Protection Package:

Coil guard protects coil from corrosion in

coastal areas and in areas with high sulfur

emissions.

19. Fan/Filter Status Switch:

Provides status of 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.

20. Unit Mounted Disconnect Switch:

Shall be factory-installed. Internally mounted,

NEC and UL approved non-fused switch pro-

vides unit power shutoff. Shall be accessible

from outside the unit.

21. Emergency Heat Package:

When mechanical heating is locked out, auxil-

iary heat shall be activated when necessary.

22. Logo Kit:

Shall be mounted on the outdoor coil grille.

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

New Pg 40 Catalog No. 015-005 Printed in U.S.A. Form 50TFQ-C3PD

Replaces: 50TFQ-C1PD

Book 1 4

Ta b 5 a 5 a

Carrier Corporation • Syracuse, New York 13221 204 1-01

Book 1

Ta b O P 3 b

50TFQ008 012 50tfq C3pd

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