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See the unit wiring diagram for electrical connections.
C/X G Y R O W W1 W2
C/X G Y R O W1 W2 EROOM THERMOSTAT
OUTDOOR UNIT
PH__C02E
Wiring shown is for D9945804 (THSMEC1H2BA) thermostat.
C/X G Y R O W W1 W2
C/X G Y R O W2 E
ROOM THERMOSTAT
OUTDOOR UNIT
PH__C02E
Wiring shown is for 10636701(THSADC1H2BA) or
10636702 (THSMDC1H2BA) thermostat
C/X G Y R O W W1 W2
C G Y2 Y1 R O W1 W2 W3
ROOM THERMOSTAT
OUTDOOR UNIT
PHD60C02E
(HEATER KIT CONTROL BOX)
Yellow No. 20 Wire in Blower Section
Wiring shown is for
1213412 (1F95-371) thermostat.
C G Y Y1 R O W
C G Y2 Y1 R O W1 W2 W3
ROOM THERMOSTAT
Wiring shown is for 1213412 (1F95-371) thermostat.
NOTE: If Electric Heater Kit is not installed or low voltage connection is made
in unit control box, connect as follows.
OUTDOOR UNIT
PHD60C02E
(CONTROL BOX)
PHD60 TWO-STAGE
Figure 2 - Typical Thermostat and
Unit 24 Volt Wiring Hoo2kup
ELECTRICAL CONNECTIONS
NOTE: The units are designed for operation on 60 Hz current and at
the voltages shown on the rating plate. All internal wiring in the unit is
complete. The power supply may be brought into the contactor (refer
to unit wiring diagram supplied with unit). Ensure 24 volt wiring is
connected between the unit control panel and the room thermostat.
Refer to Figure 2 for proper thermostat wiring and Figures 3 and 4
shows the low voltage field connection.
ON ON
CGYRWW1
W2
O
Low Voltage
Terminal Strip
Figure 3 - Low Voltage Connection
Heater Kit Control Box
Figure 1 - Rigging
DUCDUC
DUCDUC
DUC
T COT CO
T COT CO
T CO
NNECNNEC
NNECNNEC
NNEC
TITI
TITI
TI
OO
OO
O
NSNS
NSNS
NS
To ensure proper operation, ensure the blower motor is oriented as
shown in Figure 5 for horizontal airflow installations.
HORIZONTAL AIRFLOW INSTALLATIONS
(24, 30, 36, 42 AND PHB48 MODELS)
Two three-inch collar connections and two square flanges are shipped
with the unit. The collar connections are located in the return air
opening of the unit. The square flanges are inside the unit blower
compartment. The square flanges can be used for either connect-
ing 16x16 ductwork to the unit or used with a Horizontal Duct Cover
kit (CHK001A).
To install the collar connections, remove the two collars, reverse and
snap them back into place in the outlet and inlet openings. Be sure
the flanges are to the outside of the unit. Secure with screws pro-
vided.
HORIZONTAL AIRFLOW INSTALLATIONS
(PHD48/60 and PHB60 models only)
These units are equipped with 14x14 square supply and return air
openings for horizontal air flow. The openings are flanged for ease
of duct connection. A 16x16 Horizontal Duct Cover kit (CHK001A)
can be used with the clips provided with the unit.
THERMOSTAT PLACEMENT
Thermostat should be mounted 5 feet above the floor, on a vibration
free inside wall in a room or a hallway that has good air circulation.
Movement of air should not be obstructed by furniture, door, draper-
ies, etc. The thermostat should not be mounted where it will be af-
fected by drafts, hot or cold water pipes or air ducts in walls, radiant
heat from fireplace, lamps, the sun, television, etc. Consult the In-
struction Sheet packaged with thermostat for mounting instructions.
WARNING
T
O AVOID PERSONAL INJURY OR DEATH, DISCONNECT THE ELECTRICAL
POWER BEFORE ELECTRICALLY CONNECTING THE UNIT.
THERMOSTAT WIRING
When an electric heater is installed, the thermostat wiring will be
made at the heater accessory box.
If a unit is installed without electric heaters, the low voltage wiring to
the blower section can be cut, either in the control box area or in the
blower section, to allow splicing-in of field-installed wiring, or con-
nect to terminal strip in unit control box.