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Low Voltage Wiring
■
Heat pumps—Connect 24V wires from the thermostat to the
corresponding wires in the control box using 18 AWG as
follows:
WPC45 Terminal
Red
Green
White
Brown
Yellow
Blue
WGPH45
Terminal
24-43 Thermostat
Red
R (24V)
Green
G (Fan)
Orange
O (Rev. Valve)
White
W1 (Heat, 2
Brown
W2 (Heat, 3
Purple
Not used
Yellow
Y1 (Cool)
Blue
C (24V Common)
*Optional field installed heat connections
NOTES:
■
Thermostats must be set to energize "G" during cooling. This
is default on most all thermostats.
■
WGPH4549 and WGPH4560 have 2-stage cooling and
require 2-stage heat/cool with optional 3
thermostat.
WARNING
Goodman 6
HIGH VOLTAGE!
Disconnect ALL power before servicing.
Multiple power sources may be present.
Failure to do so may cause property damage,
personal injury or death.
1. Disconnect power.
2. Turn the thermostat switch to "Cool" and the fan switch to
"Auto."
3. Set the temperature setting to the highest setting.
24-60 Thermostat
R (24V)
G (Fan)
W1 (Heat)*
W2 (Heat)*
Y (Cool)
C (24V Common)
49-60 Thermostat
R (24V)
G (Fan)
O (Rev. Valve)
nd
)*
W1 (Heat, 2
nd
)*
rd
)*
W2 (Heat, 3
rd
)*
Y1 (Low Cool)
Y2 (High Cool)
C (24V Common
rd
-stage electric heat
SEQUENCE OF OPERATION
Start-up Procedure—Cooling Cycle
Internal Wiring
A diagram detailing the internal wiring of this unit is located on
the electrical box cover. If any of the original wire supplied with
the appliance must be replaced, the wire gauge and insulation
must be the same as the original wiring.
Transformer is wired for 230 volts on the 208/230 models. See
the wiring diagram for 208-volt wiring.
1. Disconnect power.
2. Remove the control access panel.
3. Route the field supply wires through the line voltage conduit
opening to the electrical connection area, providing sufficient
length to connect to the pigtail leads.
Single Phase Units
■
Connect the field supply wires (L1, L2) to the 2 black pigtail
leads using UL-Listed wire connectors.
Complete Installation
IMPORTANT: Do not use this heat pump or condensing unit if
any part has been under water. Immediately call a qualified
person to inspect the heat pump or condensing unit and to
replace any part of the control system which has been under
water.
1. Check that you have all of your tools.
2. Dispose of/recycle all packaging materials.
3. Check the heat pump or condensing unit in its final location.
4. Verify that all of the registers are set to the normal open
position.
5. Turn on the electrical supply at the disconnect.
6. Turn the fan switch to the "ON" position. The blower should
operate after a 7-second delay.
7. Turn the fan switch to the "Auto" position. The blower should
stop after an approximate 60-second delay.
8. Slowly lower the cooling temperature until the unit starts. The
compressor, blower and fan should now be operating.
9. Allow the unit to run for 10 minutes. Check that cool air is
being supplied by the unit.
10. Turn the temperature setting to the highest position, stopping
the unit. The indoor blower will continue to run for
approximately 60 seconds.
11. Turn the thermostat switch to "OFF" and disconnect all
power when servicing the unit.
7
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Troubleshooting
