Coleman Single Piece Air Handlers F Fp Users Manual 292043 UIM B 0707

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INSTALLATION MANUAL
SINGLE PIECE
AIR HANDLERS
MODELS: F*FP

ISO 9001
Certified Quality
Management System

TABLE OF CONTENTS
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
SPECIFIC SAFETY RULES AND PRECAUTIONS . . . . . . . . . . . . . . . 2
SAFETY REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
CLEARANCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
HORIZONTAL DRAIN PAN CONVERSION . . . . . . . . . . . . . . . . . . . . 3
DUCT CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
AIR FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SUSPENSION KITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

COIL METERING DEVICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
REFRIGERANT LINE CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . .6
ELECTRIC HEATERS & OPERATING CONTROLS . . . . . . . . . . . . . .6
LOW VOLTAGE CONTROL CONNECTION . . . . . . . . . . . . . . . . . . . .8
LINE POWER CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
BLOWER SPEED CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . .8
DRAIN CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
COIL CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
LUBRICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
CONDENSATE DRAINS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

LIST OF FIGURES
Plenum Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Typical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Filter Access & Drain Pan Conversion / Coil Baffle . . . . . . . . . . . . . . . 4
Dimensions & Duct Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Typical Horizontal Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
TXV Bulb Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Bulb Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Electric Heaters in Horizontal Configuration - Right Hand Air Flow . . .6
Line Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Blower Speed Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Cooling Models with Electric Heat Wiring . . . . . . . . . . . . . . . . . . . . . .14
Single Stage Heat Pump Control Wiring . . . . . . . . . . . . . . . . . . . . . . .14

LIST OF TABLES
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Installed TXV Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Physical and Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Electrical Data - Cooling Only (50 & 60 Hz) . . . . . . . . . . . . . . . . . . . . . 9
Conversion Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Electrical Data - 1 Ø - 208/230-1-60 . . . . . . . . . . . . . . . . . . . . . . . . . 10
Electrical Data - (For Single Source Power Supply) Copper Wire 1 Ø - 208/230-1-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Electrical Data - (For Multi-Source Power Supply) Copper Wire 1 Ø - 208/230-1-601 . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Electrical Data - 3 Ø - 208/230-3-60 . . . . . . . . . . . . . . . . . . . . . . . . . .12
Electrical Data - (For Single Source Power Supply) Copper Wire 3 Ø - 208/230-3-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Airflow Data for 230 Volt - Heat Pump Models . . . . . . . . . . . . . . . . . .13
Airflow Data for 208 Volt - Heat Pump Models . . . . . . . . . . . . . . . . . .14

SAFETY
This is a safety alert symbol. When you see this symbol on
labels or in manuals, be alert to the potential for personal
injury.
Understand and pay particular attention to the signal words DANGER,
WARNING, or CAUTION.
DANGER indicates an imminently hazardous situation, which, if not
avoided, will result in death or serious injury.
WARNING indicates a potentially hazardous situation, which, if not
avoided, could result in death or serious injury.
CAUTION indicates a potentially hazardous situation, which, if not
avoided may result in minor or moderate injury. It is also used to
alert against unsafe practices and hazards involving only property damage.

Improper installation may create a condition where the operation of
the product could cause personal injury or property damage.
Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual
for assistance or for additional information, consult a qualified contractor, installer or service agency.

This product must be installed in strict compliance with the installation instructions and any applicable local, state, and national codes
including, but not limited to building, electrical, and mechanical
codes.

292043-UIM-B-0707

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SPECIFIC SAFETY RULES AND PRECAUTIONS

FIRE OR ELECTRICAL HAZARD
Failure to follow the safety warnings exactly could result in serious
injury, death or property damage.
A fire or electrical hazard may result causing property damage, personal injury or loss of life.
1.

Install this air handler only in a location and position as specified in
SECTION I of these instructions.

2.

Always install the air handler to operate within the air handler’s
intended maximum outlet air temperature. Only connect the air
handler to a duct system which has an external static pressure
within the allowable range, as specified on the air handler rating
plate.

3.

When an air handler is installed so that supply ducts carry air circulated by the air handler to areas outside the space containing
the air handler, the return air shall also be handled by duct(s)
sealed to the air handler casing and terminating outside the space
containing the air handler.

4.

Top and side power wiring and control wiring, accessible screw terminals for control wiring, easy to install drain connections and electric
heaters all combine to make the installation easy, and minimize installation cost.

INSPECTION
As soon as a unit is received, it should be inspected for possible damage during transit. If damage is evident, the extent of the damage
should be noted on the carrier’s freight bill. A separate request for
inspection by the carrier’s agent should be made in writing. Also, before
installation the unit should be checked for screws or bolts, which may
have loosened in transit. There are no shipping or spacer brackets
which need to be removed.
Also check to be sure all accessories such as heater kits, suspension
kits, and coils are available. Installation of these accessories or field
conversion of the unit should be accomplished before setting the unit in
place or connecting any wiring, electric heat, ducts or piping.

LIMITATIONS
These units must be wired and installed in accordance with all national
and local safety codes.
Voltage limits are as follows:

The air handler is not to be used for temporary heating of buildings
or structures under construction.

5.

The size of the unit should be based on an acceptable heat loss
calculation for the structure. ACCA, Manual J or other approved
methods may be used.

SAFETY REQUIREMENTS
•

•

•
•
•

•
•
•

This air handler should be installed in accordance with all national
and local building/safety codes and requirements, local plumbing
or wastewater codes, and other applicable codes.
Refer to the unit rating plate for the air handler model number,
and then see the dimensions page of this instruction for supply air
plenum dimensions in Figure 1. The plenum must be installed
according to the instructions.
Provide clearances from combustible materials as listed under
Clearances to Combustibles.
Provide clearances for servicing ensuring that service access is
allowed for both the burners and blower.
Failure to carefully read and follow all instructions in this
manual can result in air handler malfunction, death, personal
injury and/or property damage.
Check the rating plate and power supply to be sure that the electrical characteristics match.
Air handler shall be installed so the electrical components are
protected from water.
Installing and servicing heating equipment can be hazardous due
to the electrical components. Only trained and qualified personnel
should install, repair, or service heating equipment. Untrained
service personnel can perform basic maintenance functions such
as cleaning and replacing the air filters. When working on heating
equipment, observe precautions in the manuals and on the labels
attached to the unit and other safety precautions that may apply.
These instructions cover minimum requirements and conform to
existing national standards and safety codes. In some instances
these instructions exceed certain local codes and ordinances,
especially those who have not kept up with changing residential
and non-HUD modular home construction practices. These
instructions are required as a minimum for a safe installation.

Air Handler Voltage

Voltage code

208/230-1-60

06

1Normal

Operating
Voltage Range
187-253

1. Rated in accordance with ARI Standard 110, utilization range “A”.

Airflow must be within the minimum and maximum limits approved for
electric heat, evaporator coils and outdoor units.
Entering Air Temperature Limits
Wet Bulb Temp.°F
Dry Bulb Temp. °F
Min.
Max.
Min.
Max.
57
72
65
95

CLEARANCES
Clearance must be provided for:
1.

Refrigerant piping and connections - minimum 12” recommended.

2.

Maintenance and servicing access - minimum 36” from front of unit
recommended for blower motor / coil replacement.

3.

Condensate drain line.

4.

Filter removal - minimum 36” recommended.

LOCATION
Location is usually predetermined. Check with owner’s or dealer’s
installation plans. If location has not been decided, consider the following in choosing a suitable location:
1.

Select a location with adequate structural support, space for service access, clearance for air return and supply duct connections.

2.

Use hanging brackets to wall mount unit as shown under suspension kits section.

3.

Normal operating sound levels may be objectionable if the air handler is placed directly over some rooms such as bedrooms, study,
etc.

4.

Precautions should be taken to locate the unit and ductwork so
that supply air does not short circuit to the return air.

GENERAL INFORMATION

5.

Select a location that will permit installation of condensate line to
an open drain.

This Single Piece Air Handler provides the flexibility for installation in
any upflow or horizontal application. These versatile models may be
used for cooling or heat pump operation with or without electric heat.
BRAND LABEL (available from Distribution) apply to center of the
blower access panel.

NOTE: When the coil is installed in a draw-thru application, it is recommended to trap the primary and secondary drain line. If the secondary
drain line is not used, it must be capped.
The coil is provided with a secondary drain. It should be piped to a location that will give the occupant a visual warning that the primary drain is
clogged. If the secondary drain is not used it must be capped.

•

The unit can be positioned for bottom return air in the upflow position,
and right or left return in the horizontal position.

2

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292043-UIM-B-0707
6.

When an evaporator coil is installed in an attic or above a finished
ceiling, an auxiliary drain pan should be provided under the coil as
is specified by most local building codes.

7.

Proper electrical supply must be available.

8.

Clearances must also be taken into consideration, and provided
for as follows:
A.

Refrigerant piping and connections are located in the front.

B.

Maintenance and servicing through the front or access side
of unit with both sides and rear of unit having zero inch clearance.

C.

Condensate drain lines are connected in the front (clear of filter).

D.

Filter removal.

E.

When no electric heat is used, the unit as well as all duct
work and plenum are designed for zero clearance to combustible materials.

If electric heat is used, a minimum clearance of 1” must be maintained on all sides of the supply air duct and/or plenum continuously
for up to 3’ (See Figure 1).
MINIMUM CLEARANCE
OF 1” ALL SIDES

FLEXIBLE
DUCT COLLAR

3’

FIGURE 1: Plenum Clearances
POWER WIRING
TO MAIN
POWER SOURCE

SUPPLY
AIR

REFRIGERANT
LINES

POWER WIRING
CONTROL
WIRING

THERMOSTAT

TO
CONDENSATE
DRAIN

FILTER
ACCESS

LOUVERED

ELECTRIC HOT WATER HEATER
(Must comply with water heater installation instructions)

FIGURE 2: Typical Installation

HORIZONTAL DRAIN PAN CONVERSION
These air handler units are supplied ready to be installed in a right hand
horizontal position. If unit requires left hand positioning, the unit must
have the pan installed in the correct position.
1.

Remove blower access, coil access, and center access panels.

NOTE: Conversion must be made before brazing the refrigerant connections to the coil.
2. See Figure 3, remove two screws from horizontal drain pan, to
remove pan from position “3A” if factory installed.
3.

Position horizontal pan, as required in either “A” or “B” position,
locking it into the vertical drain pan as shown.

4.

Horizontal drain pans have 4 plugged drains. Remove plugs from
connections being used.

NOTE: If this step is overlooked, it can lead to a water problem later.
5. Use removed plug to plug primary of upflow drain pan.
6.

Attach horizontal pan with 2 screws removed in step no. 2 or supplied with the unit. Ensure that the drain pan is lying flat against the
insulation of the cabinet.

7.

Horizontal drain cutout in the center access panel should be
removed by using a utility knife (if not previously cut out).

8.

Re-position and replace access panels.

Unitary Products Group

DO NOT TRY TO KNOCK OUT PANEL OPENING FOR SECONDARY DRAIN PAN. SEE ITEM 7.

Models F*FP045,048,060 have a coil baffle and support bracket
factory installed for right hand horizontal application (refer to Figure
3C). For left hand applications the coil support bracket must be
moved to the right side of the coil, and the coil baffle must be
rotated to avoid water blow-off.
To rotate baffle, remove the coil assembly from the unit (remove
front two screws holding the coil support bracket and the two
screws holding the drain pan). Remove four screws in coil baffle
and remove the coil baffle and rotate ends.
Resecure the baffle and reinstall the coil assembly ensuring that
the rear of the drain pan is secured under the back flange of the
unit. Reinstall the coil support bracket on the right side of the coil.

3

292043-UIM-B-0707

BLOWER
COMPARTMENT
(ACCESS PANEL
REMOVED)

4A - FRONT VIEW
PRIMARY
DRAIN

BLOWER
HOUSING

PRIMARY
DRAIN

SUPPORT
BRACKET

3/4" PVC SOCKETS
FOR HORIZONTAL
DRAIN APPLICATION

SECONDARY
DRAIN

060 COIL BAFFLE
(SHOWN IN
RIGHT-HORIZONTAL
POSITION)

SECONDARY
DRAIN

HORIZONTAL
DRAIN PAN
POSITION "B”

CENTER ACCESS PANEL

4C - FRONT VIEW

COIL COMPARTMENT
(ACCESS PANEL REMOVED)

VERTICAL
DRAIN PAN
SECONDARY
DRAIN UPFLOW
3/4" THREADED

4B - SIDE VIEW

HORIZONTAL
DRAIN PAN
POSITION "A”

FILTER

FILTER

PRIMARY DRAIN UPFLOW
3/4” THREADED

RETURN AIR DUCT

DUCT WORK MAY BE FASTENED
CAUTIOUSLY WITH SCREWS TO
THE SIDES AND REAR OF UNIT

"S" BRACKET MUST BE USED TO
FASTEN DUCT WORK TO FRONT OF UNIT

FIGURE 3: Filter Access & Drain Pan Conversion / Coil Baffle
ALL DIMENSIONS ARE IN INCHES. THEY ARE SUBJECT TO CHANGE
WITHOUT NOTICE. CERTIFIED DIMENSIONS WILL BE PROVIDED
UPON REQUEST.
F
3/4

SHIPPING BRACKET*
REMOVE PRIOR TO
INSTALLATION (2 SCREWS)
F

10-3/8

J

4-1/8
DRAIN CONNECTIONS
FOR HORIZONTAL
APPLICATIONS

10-3/8
7-1/2

K

TOP VIEW (ALL MODELS)
A

VAPOR
OPENING

=DRAIN PAN FOOTPRINT

MAX. FILTER LENGTH
(21 INCHES)
MAX. FILTER WIDTH
(B MINUS 1-1/2 INCHES)

4
LIQUID
OPENING

3/4

D

REAR
3/4

C
2

18-3/8

B

DRAIN CONNECTIONS
FOR UPFLOW APPLICATIONS

E
FILTER
ACCESS

BOTTOM VIEW

FIGURE 4: Dimensions & Duct Sizes
TABLE 1: Dimensions
Dimensions
MODELS F*FP

4

A

B

C
Depth

D

Wiring K.O.’s*
E

F

Refrigerant
Connections
Line Size

J

K

Power

Control

Height

Width

024

40-3/4

18

14-7/8

16-1/2

5/8

030

40-3/4

18

14-7/8

16-1/2

3/4

036

40-3/4

21-1/2

18-3/8

20

040

40-3/4

21-1/2

18-3/8

20

042

40-3/4

21-1/2

18-3/8

20

045

50-3/4

24

20-7/8

22-1/2

048

50-3/4

24

20-7/8

22-1/2

060

50-3/4

24

20-7/8

22-1/2

12-1/8
22

17-3/8

Liquid

7/8 (1/2)
1-3/8 (1)

3/4
7/8 (1/2)

7/8 (1/2)
1-3/8 (1),
1-23/32 (1-1/4)

Vapor

3/8

7/8
7/8
7/8
7/8
7/8

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DUCT CONNECTIONS

A suspension kit is available. Models 1BH0601 (unit sizes 018-060) is
designed specifically for the units contained in this instruction (upflow
application only). For installation of these accessory kits, see the
instructions packed with the kit.

Use 1/2" screws to connect ductwork to bottom of unit. Longer
screws will pierce the drain pan and cause leakage. If pilot holes
are drilled, drill only though field duct and unit bottom flange.
NOTE: The electric heat accessory should be installed before the supply air duct is attached to the supply air openings. Refer to the electric
heater kit instructions for proper installation.
Air supply and return may be handled in one of several ways best
suited to the installation. See Figure 4 for dimensions for duct inlet and
outlet connections.
The vast majority of problems encountered with combination heating
and cooling systems can be linked to improperly designed or installed
duct systems. It is therefore highly important to the success of an installation that the duct system be properly designed and installed.

For suspension of these units in horizontal applications, it is recommended to use angle steel support brackets with threaded rods, supporting the units from the bottom, at the locations shown in Figure 5.

COIL METERING DEVICES
The coil in this Air Handler unit will have a TXV metering device
installed at the factory.
The model number will have the following format:
F*FPxxxH06T2y - The coil will have a Thermal Expansion Valve (TXV)
installed. The y character specifies which TXV is installed at the factory.
Please refer to the TXV Metering Device section for installation notes.
.

TABLE 2: Installed TXV Sizes
Indoor Coil Model

Metering Device

Use flexible duct collars to minimize the transmission of vibration/noise
into the conditioned space. If electric heat is used, non-flammable
material must be used.

F4FP024H06T2A

TXV 2A

F4FP024H06T2B

TXV 2B

F4FP030H06T2A

TXV 2A

Where return air duct is short, or where sound may be a problem,
sound absorbing glass fiber should be used inside the duct. Insulation
of duct work is a must where it runs through an unheated space during
the heating season or through an uncooled space during the cooling
season. The use of a vapor barrier is recommended to prevent absorption of moisture from the surrounding air into the insulation.

F4FP036H06T2A

TXV 2A

The supply air duct should be properly sized by use of a transition to
match unit opening. All ducts should be suspended using flexible hangers and never fastened directly to the structure. This unit is not
designed for non-ducted (freeblow) applications. Size outlet plenum or
transition to discharge opening sizes shown in Figure 4.

F4FP040H06T2A

TXV 2A

F4FP040H06T2C

TXV 2C

F4FP042H06T2A

TXV 2A

F4FP042H06T2C

TXV 2C

F4FP045H06T2C

TXV 2C

F5FP048H06T2C

TXV 2C

F5FP060H06T2C

TXV 2C

TXV Metering Device

Duct work should be fabricated and installed in accordance with local
and/or national codes. This includes the standards of the National Fire
Protection Association for Installation of Air-Conditioning and Ventilating Systems, NFPA No. 90B.

INSULATION
ROLL

EXPANSION
BULB TUBING

AIR FILTERS
Air filters must be field supplied. A 1" filter access rack has been built
into the unit. See Figure 4. Remove filter access cover shown. Install
proper size filter. Standard 1" size permanent or throw away filter may
be used, or, permanent washable filters are available using model numbers: 1PF0601, 602, 603BK. See Table 3 for filter size.

EXPANSION
BULB
EXPANSION
BULB CLAMP

FIGURE 6: TXV Bulb Installation

Equipment should never be operated without filters.

SUSPENSION KITS
SUSPENSION SUPPORT LOCATIONS FOR HORIZONTAL APPLICATIONS*

Please refer to Table 2 to verify which TXV is installed in this Air Handler unit and that this AHU is a valid system match for the AC or HP unit
installed.
The TXV is bolted into the coil assembly of this Air Handler unit at the
factory. The temperature sensing bulb will need to be attached to the
coil suction header line after the line set is brazed to the coil.
•
•

1-1/2

•

NOTE: USE SUPPORTS UNDER UNIT.

•

2
WW
XX

Units
(Nominal Tons)
018, 024, 030, 036, 040, 042
045, 048, 060

Dimension
WW
14”
19-1/2”

XX
40-3/4”
50-3/4”

•

Make sure the TXV bulb is outside of the Air Handler cabinet.
Excess tubing should remain inside the cabinet.
Take caution not to apply high temperatures to the TXV assembly
or equalizer line while brazing.
Attach field line sets and braze to coil connections. Replace
access panels & secure.
Secure the TXV bulb to the suction line with the clamp provided.
Choose a horizontal location as close to the cabinet as possible,
but not directly on the brazed connection joint. Refer to Figure 7.
The bulb should be in direct contact with the coil suction line
along the length of the bulb.

FIGURE 5: Typical Horizontal Installation

Unitary Products Group

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TAIL
END
UP

FAN RELAY

FAN CONNECTIONS

4-PIN POWER
CONNECTOR

L
2

L2

ROTATE BULB TO KEEP
TAIL AT BOTTOM

F
A
N

L
2

K2

T9A

K1

T9A

L
1

H
L
L

L
1

1

TRANSFORMER
CONNECTIONS
(HIGH VOLTAGE)

2

6-PIN CONNECTOR
(LIMIT, 2ND, 3RD
& 4TH HEAT RELAY
DRIVER)

1 STAGE
HEAT RELAY

VERTICAL
RISER

24 VOLT R

FIGURE 7: Bulb Location
5 AMP
CONTROL
VOLTAGE
FUSE

COIL UNDER PRESSURE.
Relieve pressure by removing plug from piping connection. Coil will
have factory installed TXV. See outdoor unit documentation for correct TXV to be used. Refer to unit nameplate for TXV identification
for this unit.
NOTE: The coil should be open to the air for no more than 2 minutes to
keep moisture and contaminates from entering the system. If the coil
cannot be brazed into the refrigeration system in that time, the ends
should be temporarily closed or plugged. For a short term delay, use
masking tape over the ends of the copper tubing to close the tube to the
air. For a longer term delay, use plugs or caps. There is no need to
purge the coil if this procedure is followed.

REFRIGERANT LINE CONNECTION
See the outdoor unit installation instructions for the procedure to install
field supplied tubing for systems with sweat fittings.
Stub adapters are available to adapt sweat connections to quick connections.
Connect lines as follows:
NOTE: Route the refrigerant lines to the coil in a manner that will not
obstruct service access to the coil, air handling system or filter.
1. Suction line connections are made outside the center access
panel. Center access panel is recessed to assure sufficient room
for brazing or it can be removed and slid over the suction line during brazing.
2.

Plan for TXV bulb placement.

3.

Remove rubber plugs from refrigerant lines.

4.

Braze the suction line. Re-attach the center access panel, if it had
been removed.

5.

Braze the liquid line.

6.

Install supplied grommets on both the suction and liquid lines to
complete the air seal.

7.

See previous section for TXV bulb.

Lines should be sound isolated by using the appropriate hangers or
strapping.

FAN
&
LIM
PWR

LIM
&
HEAT
COM
TEST

BREAK TAB FOR
VARIABLE SPEED MOTOR
HEAT 4
HEAT 2
DRV HEAT 3 DRV
DRV

2
4
V
A
C
5
A
M
P

2 SPEED LTRIP ECM

*

only, install the 6-pin jumper plug to the control board to bypass the
heater limit controls. This jumper plug is secured to the duct cover near
the 4-pin power plug harness. Failure to install the plug will cause the
blower to run continuously. (See Figure 8).

3

•

If the suction line is 3/4" diameter - position the bulb near the top
of the copper tube as shown. If the tube is 7/8" diameter - position
the bulb near the bottom of the tube. Refer to Figure 7.
Wrap the clamp, bulb & line securely with insulation provided.

4

•

M
A
X

R

Y

G

W2

W1

O

C

FIGURE 8: Control Board
Mark the unit nameplate with the appropriate heater selection on the
space provided or NONE to indicate cooling only. To operate these units
with electric heat, it is necessary to field install an electric heater kit
(2HK). See Electric Heater Kit Accessory Installation instructions for
proper installation procedure. Prior to installing electric heat, it is necessary to perform the following procedure:
1.

Remove the 4-pin power plug from the control board (See Figure
8).

NOTE: This pin must not be used when electric heaters are installed.
2. Remove the four (4) screws from the duct cover and remove the
duct cover from the air handler.

Right-hand Airflow Application Only - Models with Circuit
Breakers - See Figure 9
If unit is to be installed for right hand air flow, the circuit breakers in the
heat kit will need to be removed and rotated 180°, so the OFF position
will be down when the cabinet is positioned on the right side. This is an
NEC requirement. Do One Breaker At A Time - to make sure wires
are reconnected properly. Loosen terminal screws on the wires and
gently pull the wires back from the breaker. Remove screws securing
the breaker plate and rotate 180°, then secure the breaker plate and
reconnect the wires to the breaker. Proper torque for terminal screws is
35 in/lbs.
REMOVE 3 SCREWS TO
REMOVE THE CIRCUIT
BREAKER BRACKET
FROM HEAT KIT ASSEMBLY

HEAT KIT ASSEMBLY

JUMPER BAR
JUMPER BAR COVER
AIR

FIELD SUPPLY WIRING
WILL BE ATTACHED TO
THIS SIDE OF THE
CIRCUIT BREAKER(S)

When field supplied lines are used be sure to insulate the suction line
only.

ELECTRIC HEATERS & OPERATING CONTROLS
The low voltage transformer and fan / heater control, are standard on all
models. See Figure 8. The air handlers are shipped pre-wired to operate as cooling only applications. To complete the installation for cooling

6

24 VOLT
COMMON

CIRCUIT BREAKER(S) - THERE
MAY BE ONE, TWO OR THREE

HEAT KIT WIRING WILL BE
ATTACHED TO THIS SIDE OF
THE CIRCUIT BREAKER(S)

FL
OW

CIRCUIT
BREAKER
BRACKET

FIGURE 9: Electric Heaters in Horizontal Configuration - Right Hand
Air Flow

Unitary Products Group

292043-UIM-B-0707

Unitary Products Group

7

292043-UIM-B-0707

LOW VOLTAGE CONTROL CONNECTION
The 24 volt power supply is provided by an internally wired low voltage
transformer which is standard on all models. However, if the unit is connected to a 208 volt power supply the low voltage transformer must be
rewired to the 208 volt tap. See the unit wiring label.
Field supplied low voltage wiring can exit the unit on the top right hand
corner or the right hand side panel (see Fig. 5, item K).
Install a 7/8" plastic bushing in the selected hole and keep low voltage
wiring as short as possible inside the control box.
The field wiring is to be connected at the screw terminals of the control
board. Refer to Figure’s 12 and 13.

NOTE: It is possible to vary the amount of electric heat turned on during
the defrost cycle of a heat pump. Standard wiring will only bring on 5
KW of electric heat during defrost see Table 6 and Figures 12 and 13 for
alternate staging.

LINE POWER CONNECTIONS
Power may be brought into the unit through the supply air end of the
unit (top when unit is vertical) or the left side panel. Use the hole appropriate to the unit's orientation in each installation to bring conduit from
the disconnect. The power lead conduit should be terminated at the
electrical control box. Refer to Tables 4, 8 & 10 for wire requirements.
Also see Figure 10.

NOTE: All wiring must comply with local and national electrical code
requirements. Read and heed all unit caution labels.
TYPICAL WIRING WITHOUT ELECTRIC HEAT
GND.
GND. LUG
LUG

ELECTRIC HEAT
WITHOUT CIRCUIT BREAKER
3 PHASE (10 - 15 KW)

1 PHASE ELECTRIC HEAT
WITH CIRCUIT BREAKER
AS SHIPPED FROM FACTORY
SINGLE SOURCE
(2.5 - 25 KW) - 25 KW SHOWN

GND.
LUG

GND. LUG
POWER
SUPPLY

GND. LUG

GND.
LUG

POWER
SUPPLY

1 PHASE ELECTRIC HEAT
WITH CIRCUIT BREAKER
& BREAKER BAR REMOVED
MULTI-SOURCE (15 - 25 KW) - 25 KW SHOWN
GND. LUG
GND.
LUG

ELECTRIC HEAT
WITHOUT CIRCUIT BREAKER
SINGLE SOURCE (2.5 - 10 KW)
GND.
LUG

GND. LUG
POWER
SUPPLY 1
POWER
SUPPLY 2

POWER
SUPPLY

POWER
SUPPLY

POWER
SUPPLY 3

POWER WIRING (208/230-1-60)
NOTE: USE ONLY COPPER CONDUCTORS

FIGURE 10: Line Power Connections

Connect motor wires to motor speed tap receptacle for speed desired.
See wiring label for motor wiring details. See Figure 11.
The unit control is designed for the addition of a two speed fan kit. See
accessory kit for details.

BLK

BLU
YEL

1
2
3
4
5

208 / 230V
FAN MOTOR

C
G
L
N

GRN

FACTORY WIRED TO
TRANSFORMER

CAP
FACTORY WIRED TO
FAN MOTOR RELAY
TERMINAL ON
CONTROL BOARD

HIGH

YEL
PUR

GRN

TO CONTROL
BOARD C
(Common)

1-1/2 TON TO 4 TON STANDARD MOTOR

PUR

4-5 TON HIGH EFFICIENCY MOTOR (X-13)

TO
RELAY

PUR

Adjust blower motor speed to provide airflow within the minimum and
maximum limits approved for evaporator coil, electric heat and outdoor
unit. Speed tap adjustments are made at the motor terminal block, See
Figure 11. Airflow data is shown in Tables 6 and 11.

Higher efficiencies will be obtained if the indoor air volume is as high as
possible provided the CFM does not exceed limitations and the sound
level is not objectionable.

BRN

Except for F4FP045, which has a 4-speed motor, and F5FP* which has
a 5-speed high efficiency X-13 motor, all air handlers contain three
speed blower motors which are pre-wired to the control board.

YEL

BLOWER SPEED CONNECTIONS

BLOWER

TO
TRANSFORMER
230V

MED
LOW
230 VOLT
BLOWER MOTOR

GND.

FIGURE 11: Blower Speed Connections

8

Unitary Products Group

292043-UIM-B-0707
TABLE 3: Physical and Electrical Data
Models F*FP
Blower - Diameter x Width
Motor

HP

024

030

036

040

10 x 6

10 x 8

10 x 8

10 x 8

1/4

1/3

1/2

1/3

1075

1075

1075

1075

1.6/1.4 (50 Hz:2.1)

2.5 / 2.2

3.3/2.9 (50 Hz:2.3)

2.5 / 2.2

3.3 / 2.9

6.2 / 5.5

7.4 / 6.5

6.2 / 5.5

Size

16 x 20 x 1

16 x 20 x 1

20 x 20 x 1

20 x 20 x 1

Permanent Type Kit

1PF0601BK

1PF0601BK

1PF0602BK

1PF0602BK

98 / 93

105 / 100

115 / 109

121 / 115

Nominal RPM

Voltage
Amps

208/230
Full Load (208/230)
Locked Rotor (208/230)
Type

Filter1

DISPOSABLE OR PERMANENT

Shipping / Operating Weight (lbs.)
Models F*FP
Blower - Diameter x Width
Motor

HP
Nominal RPM

042

045

048

060

10x8

10x10

11x10

11x10

3/4

1/3

1.0

1.0

1130

925

1050

1050

4.4/3.8

3.0/2.7

7.6

7.6

11.9/10.3

4.8/4.1

–

–

Voltage
Amps

208/230
Full Load (208/230)
Locked Rotor (208/230)

230

Type
Filter1

DISPOSABLE OR PERMANENT

Size

20 x 20 x 1

22 x 20 x 1

22 x 20 x 1

22 x 20 x 1

Permanent Type Kit

1PF0602BK

1PF0603BK

1PF0603BK

1PF0603BK

121/115

150/144

153/147

160/154

Shipping / Operating Weight (lbs.)
1. Field Supplied

TABLE 4: Electrical Data - Cooling Only (50 & 60 Hz)
Total Motor Amps

Minimum Circuit Ampacity

60 Hertz

60 Hertz

Models F*FP

Max. O.C.P.1
Amps/Type

Minimum Wire
Size A.W.G.

208V

240V

208V

240V

024

1.6

1.5

2.0

1.8

15

14

030

2.5

2.3

3.2

2.8

15

14

036

3.3

3.0

4.2

3.7

15

14

040

2.5

2.3

3.2

2.8

15

14

042

4.4

4.0

5.5

4.8

15

14

045

3.1

2.6

3.9

3.4

15

14

048

7.6

7.6

9.5

9.5

15

14

060

7.6

7.6

9.5

9.5

15

14

1. OCP = Over Current Protection device, must be HACR type Circuit Breaker or Time Delay fuse.

TABLE 5: Conversion Table
KW & MBH Conversions - for Total Power Input Requirement
208V
FOR

230V

240V
OPERATION MULTIPLY

220V

Unitary Products Group

240V
240V

.751
TABULATED KW & MBH BY

.918
.840

9

292043-UIM-B-0707
TABLE 6: Electrical Data - 1 Ø - 208/230-1-601

Models F*FP

Heater*
Model

Static

030

036

060

1.
2.
3.
4.
*

10

W1 + W2

240V

208V

240V

208V

240V

208V

Low

3.8

5.0

13.0

17.1

3.8

5.0

3.8

5.0

3.8

5.0

Low

5.6

7.5

19.1

25.6

3.8

5.0

5.6

7.5

5.6

7.5

2HK*6501006B

Low

7.5

10.0

25.6

34.1

3.8

5.0

7.5

10.0

7.5

10.0

2HK*6500506B

Low

3.8

5.0

13.0

17.1

3.8

5.0

3.8

5.0

3.8

5.0

2HK*6500806B

Low

5.6

7.5

19.1

25.6

3.8

5.0

5.6

7.5

5.6

7.5

2HK*6500806B

2HK*6501006B

0.5

0.5

240V

Low

7.5

10.0

25.6

34.1

3.8

5.0

7.5

10.0

7.5

10.0

2HK16501506B

HI

11.3

15.0

38.6

51.2

3.8

5.0

7.5

10.0

11.3

15.0

2HK*6500506B

Low

3.8

5.0

13.0

17.1

3.8

5.0

3.8

5.0

3.8

5.0

2HK*6500806B

Low

5.6

7.5

19.1

25.6

3.8

5.0

5.6

7.5

5.6

7.5

2HK*6501006B

0.5

7.5

10.0

25.6

34.1

3.8

5.0

7.5

10.0

7.5

10.0

11.3

15.0

38.6

51.2

3.8

5.0

7.5

10.0

11.3

15.0
17.6

High

13.2

17.6

45.1

60.1

2.8

3.8

10.4

13.8

13.2

Low

3.8

5.0

13.0

17.1

3.8

5.0

3.8

5.0

3.8

5.0

2HK*6500806B

Low

5.6

7.5

19.1

25.6

3.8

5.0

5.6

7.5

5.6

7.5

2HK*6501006B

0.5

Low
Med

2HK*6500506B
0.5

Low

7.5

10.0

25.6

34.1

3.8

5.0

7.5

10.0

7.5

10.0

High

11.3

15.0

38.6

51.2

3.8

5.0

7.5

10.0

11.3

15.0

2HK*6500506B

Low

3.8

5.0

13.0

17.1

3.8

5.0

3.8

5.0

3.8

5.0

2HK*6500806B

Low

5.6

7.5

19.1

25.6

3.8

5.0

5.6

7.5

5.6

7.5

2HK*6501006B

0.5

Low

7.5

10.0

25.6

34.1

3.8

5.0

7.5

10.0

7.5

10.0

2HK16501506B

Low

11.3

15.0

38.6

51.2

3.8

5.0

7.5

10.0

11.3

15.0

2HK*6500506B

Low

3.8

5.0

13.0

17.1

3.8

5.0

3.8

5.0

3.8

5.0

2HK*6500806B

Low

5.6

7.5

19.1

25.6

3.8

5.0

5.6

7.5

5.6

7.5

2HK*6501006B

0.5

2HK16501506B

048

W2 Only

208V

2HK16501506B

045

W1 Only

240V

2HK16501906B4

042

MBH

208V

2HK16501506B

040

KW

KW Staging3

Tap

2HK*6500506B
024

Total Heat2

Max. Static
& Min. CFM

Med

7.5

10.0

25.6

34.1

3.8

5.0

7.5

10.0

7.5

10.0

High

11.3

15.0

38.6

51.2

3.8

5.0

7.5

10.0

11.3

15.0

2HK*6500506B

Med Low

3.8

5.0

13.0

17.1

3.8

5.0

3.8

5.0

3.8

5.0

2HK*6500806B

Med Low

5.6

7.5

19.1

25.6

3.8

5.0

5.6

7.5

5.6

7.5

Med Low

7.5

10.0

25.6

34.1

3.8

5.0

7.5

10.0

7.5

10.0

Med Low

11.3

15.0

38.6

51.2

3.8

5.0

7.5

10.0

11.3

15.0

2HK16502006B

Med Low

15.0

20.0

51.2

68.3

3.8

5.0

11.3

10.0

15.0

20.0

2HK16502506B

Med Low

18.8

25.0

64.2

85.3

3.8

5.0

11.3

15.0

18.8

25.0

2HK*6500506B

Med

3.8

5.0

13.0

17.1

3.8

5.0

3.8

5.0

3.8

5.0

2HK*6500806B

Med

5.6

7.5

19.1

25.6

3.8

5.0

5.6

7.5

5.6

7.5

Med

7.5

10.0

25.6

34.1

3.8

5.0

7.5

10.0

7.5

10.0

Med

11.3

15.0

38.6

51.2

3.8

5.0

7.5

10.0

11.3

15.0

2HK16502006B

Med

15.0

20.0

51.2

68.3

3.8

5.0

7.5

10.0

15.0

20.0

2HK16502506B

Med

18.8

25.0

64.2

85.3

3.8

5.0

11.3

15.0

18.8

25.0

2HK*6501006B
2HK16501506B

2HK*6501006B
2HK16501506B

0.5

0.5

Heat amps shown at 240V represents maximum heater rating.
See conversion Table 5.
If first stage heat or 66 is connected to W1, otherwise refer to this table.
2HK16501906B only applies to F4FP036 model.
May be 0 (no breaker) or 1 (with breaker).

Unitary Products Group

292043-UIM-B-0707
TABLE 7: Electrical Data - (For Single Source Power Supply) - Copper Wire 1 Ø - 208/230-1-601

Models F*FP

024

030

036

040

042

045

048

060

1.
2.
3.
*

Heater*
Model

Heater
Amps
240V

2HK*6500506B
2HK*6500806B
2HK*6501006B
2HK*6500506B
2HK*6500806B
2HK*6501006B
2HK16501506B
2HK*6500506B
2HK*6500806B
2HK*6501006B
2HK16501506B
2HK16501906B3
2HK*6500506B
2HK*6500806B
2HK*6501006B
2HK16501506B
2HK*6500506B
2HK*6500806B
2HK*6501006B
2HK16501506B
2HK*6500506B
2HK*6500806B
2HK*6501006B
2HK16501506B
2HK*6500506B
2HK16500806B
2HK16501006B
2HK16501506B
2HK16502006B
2HK16502506B
2HK*6500506B
2HK16500806B
2HK16501006B
2HK16501506B
2HK16502006B
2HK16502506B

20.8
31.3
41.7
20.8
31.3
41.7
62.5
20.8
31.3
41.7
62.5
73.3
20.8
31.3
41.7
62.5
20.8
31.3
41.7
62.5
20.8
31.3
41.7
62.5
20.8
31.3
41.7
62.5
83.3
104.2
20.8
31.3
41.7
62.5
83.3
104.2

Field Wiring
Min. Circuit Ampacity
208V
240V
24.7
27.7
35.5
40.7
46.9
53.7
25.8
28.7
36.7
41.7
48.1
54.7
70.9
80.8
26.8
29.5
37.7
42.6
49.1
55.6
71.9
81.6
83.3
95.2
25.8
28.7
36.7
41.7
48.1
54.7
70.9
80.8
28.1
30.5
38.9
43.6
50.3
56.6
73.2
82.6
26.6
29.3
37.4
42.3
48.8
55.3
71.7
81.4
32.8
35.6
43.0
48.4
55.3
61.5
77.3
87.8
101.0
113.8
124.3
139.9
32.8
35.6
42.9
48.3
55.3
61.6
78.5
87.8
101.0
113.8
122.2
139.5

Max. O.C.P.2 Amps/Type
208V
240V
25
30
40
45
50
60
30
30
40
45
50
60
80
90
30
30
40
45
50
60
80
90
90
100
30
30
40
45
50
60
80
90
30
35
40
45
60
60
80
90
30
30
40
45
50
60
80
90
35
40
45
50
60
70
80
90
110
125
125
150
35
40
45
50
60
70
80
90
110
125
125
150

75°C Wire Size - AWG
208V
240V
10
10
8
8
8
6
10
10
8
8
8
6
4
3
10
10
8
8
8
6
4
3
3
3
10
10
8
8
8
6
4
3
10
8
8
8
6
6
4
3
10
10
8
8
8
6
4
3
8
8
8
8
6
4
4
3
2
1
1
1/0
8
8
8
8
6
4
4
3
2
1
1
1/0

Heat amps shown at 240V represents maximum heater rating.
O.C.P. = Over Current Protection device, must be HACR type Circuit Breaker or Time Delay fuse.
2HK16501906B only applies to F4FP036 model.
May be 0 (no breaker) or 1 (with breaker).

TABLE 8: Electrical Data - (For Multi-Source Power Supply) - Copper Wire 1 Ø - 208/230-1-601
Min. Circuit Ampacity
Heater
Model
2HK16501506B
2HK16501506B

Circuit
1st
2nd
208/240 208/240
25.8/28.7 45.1/52.1
26.8/29.5 45.1/52.1

3rd
208/240
—
—

2HK16501906B2
2HK16501506B
2HK16501506B
2HK16501506B
2HK16501506B
2HK16502006B
2HK16502506B
2HK16501506B
2HK16502006B
2HK16502506B

38.3/42.6 45.7/52.6

—

25.8/28.7
28.1/30.5
26.6/29.3
32.8/35.6
55.3/61.6
32.8/35.6
32.8/35.6
55.3/61.6
33.8/35.6

Models F*FP

030
036
040
042
045
048

060

45.1/52.1
—
45.1/52.1
—
45.1/52.1
—
45.1/52.1
—
45.1/52.1
—
45.1/52.1 45.1/52.1
45.1/52.1
—
45.1/52.1
—
45.1/52.1 45.1/52.1

Max. O.C.P.1 Amps/Type
Circuit
1st
2nd
3rd
208/240 208/240 208/240
30/30
50/60
—
30/30
50/60
—

75°C Wire Size - AWG
1st
208/240
10/10
10/10

Circuit
2nd
208/240
8/6
8/6

3rd
208/240
—
—

40/45

50/60

—

8/8

8/6

—

30/30
30/35
30/30
35/40
60/70
35/40
35/40
60/70
35/40

50/60
50/60
50/60
50/60
50/60
50/60
50/60
50/60
50/60

—
—
—
—
—
50/60
—
—
50/60

10/10
10/8
10/10
8/8
6/4
8/8
8/8
6/4
8/8

8/6
8/6
8/6
8/6
8/6
8/6
8/6
8/6
8/6

—
—
—
—
—
8/6
—
—
8/6

1. O.C.P. = Over Current Protection device, must be HACR type Circuit Breaker or Time Delay fuse.
2. 2HK16501906B only applies to F4FP036 model.

Unitary Products Group

11

292043-UIM-B-0707
TABLE 9: Electrical Data - 3 Ø - 208/230-3-601

Models F*FP
024
030
036
040
042
045
048
060

Heater2
Model

KW Staging3

Total Heat

Max. Static
& Min. CFM

KW

MBH

W1 Only

W2 Only

W1 + W2

Static

Tap

208

240

208

240

208

240

208

240

208

240

2HK06501025B

0.5

Low

7.5

10.0

25.6

34.1

3.8

5.0

7.5

5.0

7.5

10.0

2HK06501025B

0.5

Low

7.5

10.0

25.6

34.1

3.8

5.0

7.5

5.0

7.5

10.0

2HK06501525B

0.5

High

11.3

15.0

38.6

51.2

3.8

5.0

7.5

10.0

11.3

15.0

2HK06501025B

0.5

Low

7.5

10.0

25.6

34.1

3.8

5.0

7.5

5.0

7.5

10.0

2HK06501525B

0.5

High

11.3

15.0

38.6

51.2

3.8

5.0

7.5

10.0

11.3

15.0

2HK06501025B

0.5

Low

7.5

10.0

25.6

34.1

3.8

5.0

7.5

5.0

7.5

10.0

2HK06501525B

0.5

High

11.3

15.0

38.6

51.2

3.8

5.0

7.5

10.0

11.3

15.0

2HK06501025B

0.5

Low

7.5

10.0

25.6

34.1

3.8

5.0

7.5

5.0

7.5

10.0

2HK06501525B

0.5

Low

11.3

15.0

38.6

51.2

3.8

5.0

7.5

10.0

11.3

15.0

2HK06501025B

0.5

Med

7.5

10.0

25.6

34.1

3.8

5.0

7.5

5.0

7.5

10.0

2HK06501525B

0.5

High

11.3

15.0

38.6

51.2

3.8

5.0

7.5

10.0

11.3

15.0

2HK06501025B

0.5

Med Low

7.5

10.0

25.6

34.1

3.8

5.0

7.5

5.0

7.5

10.0

2HK06501525B

0.5

Med Low

11.3

15.0

38.6

51.2

3.8

5.0

7.5

10.0

11.3

15.0

2HK06501025B

0.5

Med

7.5

10.0

25.6

34.1

3.8

5.0

7.5

5.0

7.5

10.0

2HK06501525B

0.5

Med

11.3

15.0

38.6

51.2

3.8

5.0

7.5

10.0

11.3

15.0

1. Heat amps shown at 240V represents maximum heater rating.
2. Heaters are 3 Phase.
3. If first stage heat or 66 is connected to W1, otherwise refer to this table.

TABLE 10: Electrical Data - (For Single Source Power Supply) - Copper Wire 3 Ø - 208/230-3-601

Models F*FP
024
030
036
040
042
045
048
060

Heater2
Model

Field Wiring
Min. Circuit Ampacity

Max. O.C.P.3 Amps/Type

75°C Wire Size - AWG

208V

240V

208V

240V

208V

2HK06501025B

41.2

46.5

45

50

8

240V
8

2HK06501025B

42.2

47.4

45

50

8

8

2HK06501525B

42.2

47.4

45

50

8

8

2HK06501025B

43.1

48.2

45

50

8

8

2HK06501525B

43.1

48.2

45

50

8

8

2HK06501025B

42.2

47.4

45

50

8

8

2HK06501525B

42.2

47.4

45

50

8

8

2HK06501025B

44.2

49.1

45

50

8

8

2HK06501525B

44.2

49.1

45

50

8

8

2HK06501025B

42.8

47.9

45

50

8

8

2HK06501525B

42.8

47.9

45

50

8

8

2HK06501025B

48.3

53.9

50

60

8

6

2HK06501525B

48.3

53.9

50

60

8

6

2HK06501025B

48.3

53.9

50

60

8

6

2HK06501525B

48.3

53.9

50

60

8

6

1. Heat amps shown at 240V represents maximum heater rating.
2. Heaters are 3 Phase.
3. O.C.P. = Over Current Protection device, must be HACR type Circuit Breaker or Time Delay fuse.

12

Unitary Products Group

292043-UIM-B-0707

TABLE 11: Airflow Data for 230 Volt - Heat Pump Models1
Models

F4FP024H06T2*

F4FP030H06T2*

F4FP036H06T2*

F4FP040H06T2*

F4FP042H06T2*

F4FP045H06T2*

F5FP048H06T2*

F5FP060H06T2*

F4FV060H06T2*

Blower Motor
Speed

230 Volt
CFM @ External Static Pressure - IWC
0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

0.90

1.00

High

950

910

865

835

775

730

662

590

502

400

Med

845

815

785

745

705

654

594

524

439

344

Low

650

630

605

575

540

508

450

383

285

158

High

1,270

1,210

1,150

1,085

1,015

946

862

769

645

502

Med

1,050

1,040

995

930

855

804

714

624

494

364

Low

855

820

780

735

680

624

550

447

333

190

High

-

1,310

1,250

1,175

1,120

1,053

983

894

779

645

Med

1,200

1,150

1,100

1,040

985

933

879

795

711

587

Low

1,060

1,015

970

925

860

809

740

661

572

453

High

1,270

1,210

1,150

1,085

1,015

946

802

769

645

502

Med

1,050

1,040

995

930

855

804

714

624

494

364

Low

855

820

780

735

680

624

550

447

333

190

High

-

1,575

1,500

1,420

1,350

1,273

1,192

1,102

996

871

Med

1,460

1,395

1,330

1,260

1,190

1,125

1,052

960

842

695

Low

1,250

1,200

1,155

1,100

1,050

1,001

931

851

751

631

High

1,575

1,535

1,475

1,390

1,310

1,245

1,147

1,030

897

735

Med High

1,375

1,315

1,255

1,185

1,110

1,040

944

848

732

606

Med Low

1,210

1,160

1,110

1,050

980

921

844

737

640

533

Low

1,035

990

940

890

825

770

698

616

524

432

High

2223

2158

2090

2029

1929

1861

1788

1679

1594

1501

Med High

1948

1904

1801

1815

1777

1741

1681

1618

1539

1453

Med

1741

1690

1649

1606

1564

1516

1476

1436

1387

1353

Med Low

1499

1454

1415

1370

1328

1269

1228

1191

1132

1093

Low

1286

1233

1177

1142

1092

1039

987

960

888

842

High

2195

2145

2070

2008

1920

1852

1754

1663

1570

1462

Med High

1938

1899

1873

1824

1791

1724

1679

1603

1521

1420

Med

1726

1681

1641

1607

1560

1517

1485

1433

1402

1349

Med Low

1525

1483

1441

1383

1356

1291

1253

1208

1169

1123

Low

1306

1254

1204

1160

1114

1061

1008

980

914

876

High

2,285

2,195

2,105

2,015

1,950

1,845

1,770

1,685

1,590

1,485

Med.

2,125

2,020

1,910

1,805

1,705

1,597

1,491

1,386

1,280

1,175

Low

1,655

1,605

1,550

1,500

1,450

1,398

1,326

1,245

1,153

1,052

NOTE: Air flow data shown above 0.50” W.C. external static pressure is for REFERENCE ONLY. Maximum allowable external static when electric heat is used is
limited to 0.50” W.C. Maximum allowable external static pressure may also be limited by minimum CFM requirements for proper Heat Pump operation.
1. Includes Return Air Filter and Largest Electric Heater.
All F*FP series air handler units are UL Listed up to 0.50" w.c. external static pressure, including air filter, wet coil, and largest KW size heater.

Unitary Products Group

13

292043-UIM-B-0707

TABLE 12: Airflow Data1 for 208 Volt - Heat Pump Models
208 Volt
Models

F4FP024H06T2*

F4FP030H06T2*

F4FP036H06T2*

F4FP040H06T2*

F4FP042H06T2*

F4FP045H06T2*

F5FP048H06T2*

F5FP060H06T2*

F4FV060H06T2*

Blower Motor
Speed

CFM @ External Static Pressure - IWC
0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

0.90

1.00

High

855

819

779

752

698

657

596

531

452

360

Med.

760

733

706

670

634

589

535

472

395

310

Low

585

567

545

518

486

457

405

344

257

142

High

1143

1089

1035

977

914

851

776

692

581

451

Med.

941

936

895

837

770

724

643

562

445

328

Low

770

738

702

662

612

561

495

402

300

171

High

1235

1179

1125

1058

1008

947

885

804

701

580

Med.

1080

1035

990

936

887

840

791

716

640

528

Low

954

914

873

833

774

728

666

595

515

408

High

1143

1089

1035

977

914

851

776

692

581

451

Med.

941

936

895

837

770

724

643

562

445

328

Low

770

738

702

662

612

561

495

402

300

171

High

1400

1418

1350

1278

1215

1145

1073

991

897

784

Med.

1314

1266

1197

1135

1071

1012

947

864

758

625

Low

1125

1080

1040

990

945

901

838

766

676

568

High

1418

1382

1328

1251

1179

1120

1032

927

807

661

Med-high

1238

1184

1130

1067

999

936

850

763

659

545

Med-low

1089

1044

999

945

882

829

760

663

576

480

Low

932

891

846

801

743

693

628

554

472

389

High

2209

2140

2093

2000

1939

1864

1746

1724

1655

1587

Med High

1945

1906

1871

1819

1784

1741

1667

1640

1595

1550

Med

1739

1690

1640

1602

1559

1516

1470

1431

1387

1343

Med Low

1506

1464

1415

1369

1325

1283

1238

1193

1139

1100

Low

1301

1248

1197

1151

1095

1054

1005

958

909

860

High

2134

2124

2052

1979

1861

1756

1639

1597

1512

1427

Med High

1916

1875

1838

1777

1744

1671

1594

1584

1537

1490

Med

1716

1671

1613

1569

1523

1475

1429

1384

1337

1290

Med Low

1494

1435

1390

1341

1284

1241

1194

1139

1087

1036

Low

1276

1223

1168

1115

1068

1009

965

902

847

792

High

2057

1976

1895

1814

1728

1661

1593

1517

1431

1337

Med.

1913

1818

1719

1625

1535

1437

1342

1247

1152

1057

Low

1490

1445

1395

1350

1305

1258

1194

1120

1038

946

NOTE: Air flow data shown above 0.50” W.C. external static pressure is for REFERENCE ONLY. Maximum allowable external static when electric heat is used is
limited to 0.50” W.C. Maximum allowable external static pressure may also be limited by minimum CFM requirements for proper Heat Pump operation.
1. Includes Return Air Filter and Largest Electric Heater.
All F*FP series air handler units are UL Listed up to 0.50" w.c. external static pressure, including air filter, wet coil, and largest KW size heater.

14

Unitary Products Group

292043-UIM-B-0707

F* SERIES

F* SERIES

Air Handler Control Wiring
Typical A/C - Cooling only Applications
THERMOSTAT

AIR HANDLER
BOARD

R

R

Y

Y

G

G

W1

W1

W2

W2

C

O

Air Handler Control Wiring
Typical A/C with Electric Heat Applications

1 - STAGE
AIR CONDITIONING
Y

HUMIDISTAT 1

C

THERMOSTAT

AIR HANDLER
BOARD

R

R

Y

Y

G

G

W1

W1

W2

W2

C

O
C

C

HUM
CFM selection
board only on
F4FV model

X
Y1
Y2

1 - STAGE
AIR CONDITIONING
Y

Field
Installed
Jumper If Required

HUMIDISTAT 1

C

HUM
1

NOTE:
Dehumidification
control connection
(”Humidistat” jumper on
CFM selection board
must be removed)

CFM selection
board only on
F4FV model

X
Y1
Y2

1

NOTE:
Dehumidification
control connection
(”Humidistat” jumper on
CFM selection board
must be removed)

FIGURE 12: Cooling Models with Electric Heat Wiring

THERMOSTAT

AIR HANDLER
BOARD

HEAT PUMP

R

R

R

Y

Y

Y

G

G

E

W1

W2

W2

O

O

C

C

W1 Out

O
C

L

X/L

W1

W

CFM selection board
only on F4FV model

HUM

HUMIDISTAT 1

X
Y1
Y2

1 NOTE:

Dehumidification control connection
(”Humidistat” jumper on CFM selection
board must be removed)

FIGURE 13: Single Stage Heat Pump Control Wiring
NOTES:
1. “Y” Terminal on Air Handler Control Board must be connected for full CFM and applications requiring 60 second Blower Off Delay for
SEER enhancement.
2. 1Optional Dehumidification Humidistat contacts open on rise.
3. For F4FV model - Remove Humidistat Jumper on CFM Selection Board - if used.
4. For F4FV model - For Heat Pump Applications - Remove Heat Pump Jumper on CFM Selection Board.
5. To change quantity of heat during HP defrost cycle - Reverse connections at W1 and W2 on Air Handler Control Board.

Unitary Products Group

15

DRAIN CONNECTIONS
All drain lines should be trapped a minimum of three inches, should be
pitched away from unit drain pan and should be no smaller than the coil
drain connection.

The drain pan connections are designed to ASTM Standard D 2466
Schedule 40. 3/4" PVC is preferred. Since the drains are not subject to
any pressure it is not necessary to use Schedule 40 pipe for drain lines.
It is recommended that all drain connections be sealed with teflon tape
or equivalent.

MAINTENANCE
Threaded drain connection should be hand-tightened, plus no
more than one turn.

Filters must be cleaned or replaced when they become dirty. Inspect at
least once per month. The frequency of cleaning depends upon the
hours of operation and the local atmospheric conditions. Clean filters
keep unit efficiency high.

COIL CLEANING
Horizontal drain cutout in the center access panel should be
removed by using a utility knife. DO NOT TRY TO KNOCK OUT.
Route the drain line so that it does not interfere with accessibility to the
coil, air handling system or filter and will not be exposed to freezing
temperatures. See Figures 2, 3 and 4.
NOTE: When the coil is installed in an attic or above a finished ceiling,
an auxiliary drain pan should be provided under the coil as is specified
by most local building codes.
Coils should be installed level or pitched slightly toward the drain end.
Suggested pitch should not exceed 1/4 inch per foot of coil.
The coil is provided with a secondary drain that should be trapped and
piped to a location that will give the occupant a visual warning that the
primary drain is clogged. If the secondary drain is not used it must be
capped.

If the coil needs to be cleaned or replaced, it should be washed with
Calgon CalClean (mix one part CalClean to ten parts water). Allow solution to remain on coil for 30 minutes before rinsing with clean water.
Solution should not be permitted to come in contact with painted surfaces.

LUBRICATION
The bearings of the blower motor are permanently lubricated.

CONDENSATE DRAINS
During the cooling season check the condensate drain lines to be sure
that condensate is flowing from the primary drain but not from the secondary drain. If condensate ever flows from the secondary drain the unit
should be promptly shut off and the condensate pan and drains cleaned
to insure a free flowing primary drain.

TROUBLESHOOTING GUIDE
PROBLEM

POSSIBLE CAUSE

Blower Runs all of the time

1. No heat units do not have 6-pin connector installed.
2. Limit open or not connected.
3. Variable speed break-out tab broken out.
4. Blower OFF delay (approx. 1 min).
5. Thermostat fan switch in “ON” position.

Blown Fuse

1. Low voltage short to C or ground from R, Y, G, W, or O.

No 24V

1. 4-pin connector loose.
2. Loose wire from control to transformer (24V and 230V).
3. Blown fuse on control board.

No 2nd stage heat

1. Check 6-pin connector and connections to panel mount relays.
2. Verify that both W1 & W2 are connected at the terminal strip.

No Heat or Limited Heating

1. Check filter.
2. Closed registers.
3. Restricted airflow (supply registers or return registers)
4. Check blower motor operation.
5. If the safety limit opens 4 times, the control will not permit the heating element to operate for 1 hour.

Subject to change without notice. Printed in U.S.A.
Copyright © by York International Corp. 2007. All rights reserved.

Unitary
Product
Group

292043-UIM-B-0707
Supersedes: 292043-UIM-A-0507

5005
York
Drive

Norman
OK
73069



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