Heat Controller HAH13XX-00-1A User Manual
made prior to installing these lines). For left to
right applications.
right applications.
1. Remove and set aside front panels.
2.
2.
Remove the coil support bracket (4-
screws.
3.
Remove horizontal drain pan
retaining clip (1-screw).
4.
Carefully remove coil assembly and
bottom drain pan.
5.
Move horizontal drain pan from left
hand side of coil to right side.
6.
Install modified coil assembly back
into unit.
7.
Reinstall coil support bracket and
horizontal drain pan retaining clip.
8.
Determine drain holes being used and
reposition knockout caps.
9. Reinstall doors.
CAUTION! IT IS MANDATORY TO USE AN
EMERGENCY AUXILIARY DRAIN PAN
WITH ANY COIL OR AIR HANDLER
INSTALLED IN AN ATTIC OR ABOVE A
FINISHED CEIING!
E. ELECTRIC FURNACE
Optional electric heating packages are available, see
the unit label for various sizes.
EMERGENCY AUXILIARY DRAIN PAN
WITH ANY COIL OR AIR HANDLER
INSTALLED IN AN ATTIC OR ABOVE A
FINISHED CEIING!
E. ELECTRIC FURNACE
Optional electric heating packages are available, see
the unit label for various sizes.
* See Electric Heater Kit Specifications Table
F. POWER WIRING
Refer to the unit’s nameplate for specific electrical
data.
CAUTION! DISCONNECT POWER AT MAIN
FUSE OR CIRCUIT BREAKER
DISTRIBUTION PANEL BEFORE WIRING
UNIT TO PREVENT SHOCK OR FIRE
HAZARD.
Use copper conductors only.
Tighten all wire connectors. Refer to unit nameplate
for minimum circuit ampacity. For correct wire size,
refer to the National Electrical Code. Use 75˚C
minimum wire in unit wiring compartment.
NOTE: SEE UNIT FOR COMPLETE WIRING
DIAGRAM LOCATED ON BLOWER
HOUSING.
G. CONTROL WIRING
Field connections are made to the low voltage
terminal strip. Consult installation instructions
provided with accessory items for specific
information on control wiring. Use 18 AWG
minimum copper control conductors for control
wiring up to 50 feet between units. 16 AWG control
conductors are recommended for lengths up to 100
feet. Class 2 wiring is acceptable. Do not short
control leads. Transformer burn-out will result. Set
thermostat heat anticipator at 0.15 amps for air
handler.
H. BLOWER MOTOR
Units are equipped with a three-speed blower motor.
Two factory-selected motor speed leads are
connected to the fan relay (FR) to provide automatic
speed change for heating and cooling airflow
volumes. The pre-selected motor speeds would
normally not have to be changed in the field. All
HAH models contain a post purge timer (TDR) that
delays the blower turning off at the end of the
cooling cycle, this improves energy efficiency.
volumes. The pre-selected motor speeds would
normally not have to be changed in the field. All
HAH models contain a post purge timer (TDR) that
delays the blower turning off at the end of the
cooling cycle, this improves energy efficiency.
Terminal number 4 on the (FR) fan relay is the
cooling blower speed and terminal number 6 on the
(FR) is the heating blower speed.
I. REFRIGERANT PIPING
All air handlers have DX refrigerant cooling coils
installed, liquid and suction piping should be sized in
accordance with condensing unit manufacturer’s
recommendations. An adapter (by others) may be
required to make the transition between the line set
and the coil connector. The evaporator coil has
sweat copper connections. The suction line is a
swaged solder cup connection. The liquid line
connection is made to a tail piece portion of the
TXV. Remove the nut on the inlet to the expansion
valve and place it on the tail piece prior to brazing
the liquid line. DO NOT connect the tail piece to the
TXV until the liquid line has been brazed to the tail
piece. Refrigerant lines should be soldered with
silver solder or other high temperature brazing alloy.
Dry nitrogen must flow through the refrigerant lines
during the brazing operation to prevent oxidation.
J REFRIGERANT FLOW CONTROL
As shipped, the TXV installed on the A-coil is for the
nominal capacity of a 13 SEER matched with Heat
Controller Inc. condensing units. The TXV is for use
on an R-22 system. For other refrigerants, contact
the factory. TXV has a built-in check valve for
reverse flow and is suitable for heat pump operation.
All are externally equalized with non-adjustable
superheat and have 15% bleed. Hard start capability
for outdoor units is not normally required when a
15% bleed valve is used. The external equalizer line
attached to the TXV has a female flare nut and is
attached to the suction line at the coil. Install the
TXV bulb to the suction line using the bulb clamp
furnished with the kit. The bulb should be installed
on a horizontal run of the suction line if possible. On
a line less than 7/8” OD, the bulb may be installed on
top of the line. With 7/8” OD or over, the bulb
should be installed in a position of about 4 or 8
o’clock. If the bulb installation is made on a vertical
run, the bulb should be located at least 6 inches from
any bend and on the tubing side opposite the plane of
the bend. On vertical bulb installations, the bulbs
should be positioned with the bulb capillary tube at
the top. The bulb must be insulated using thermal
insulation to protect it from the effects of the
surrounding ambient temperature.
cooling blower speed and terminal number 6 on the
(FR) is the heating blower speed.
I. REFRIGERANT PIPING
All air handlers have DX refrigerant cooling coils
installed, liquid and suction piping should be sized in
accordance with condensing unit manufacturer’s
recommendations. An adapter (by others) may be
required to make the transition between the line set
and the coil connector. The evaporator coil has
sweat copper connections. The suction line is a
swaged solder cup connection. The liquid line
connection is made to a tail piece portion of the
TXV. Remove the nut on the inlet to the expansion
valve and place it on the tail piece prior to brazing
the liquid line. DO NOT connect the tail piece to the
TXV until the liquid line has been brazed to the tail
piece. Refrigerant lines should be soldered with
silver solder or other high temperature brazing alloy.
Dry nitrogen must flow through the refrigerant lines
during the brazing operation to prevent oxidation.
J REFRIGERANT FLOW CONTROL
As shipped, the TXV installed on the A-coil is for the
nominal capacity of a 13 SEER matched with Heat
Controller Inc. condensing units. The TXV is for use
on an R-22 system. For other refrigerants, contact
the factory. TXV has a built-in check valve for
reverse flow and is suitable for heat pump operation.
All are externally equalized with non-adjustable
superheat and have 15% bleed. Hard start capability
for outdoor units is not normally required when a
15% bleed valve is used. The external equalizer line
attached to the TXV has a female flare nut and is
attached to the suction line at the coil. Install the
TXV bulb to the suction line using the bulb clamp
furnished with the kit. The bulb should be installed
on a horizontal run of the suction line if possible. On
a line less than 7/8” OD, the bulb may be installed on
top of the line. With 7/8” OD or over, the bulb
should be installed in a position of about 4 or 8
o’clock. If the bulb installation is made on a vertical
run, the bulb should be located at least 6 inches from
any bend and on the tubing side opposite the plane of
the bend. On vertical bulb installations, the bulbs
should be positioned with the bulb capillary tube at
the top. The bulb must be insulated using thermal
insulation to protect it from the effects of the
surrounding ambient temperature.
06/06 HAHIOM062906
3 of 6