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Whirlpool WHP44 Installation Instructions Manual page 7

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Electrical Connections
WARNING
Goodman 21
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 due to electric shock.
Wiring must conform with NEC or CEC and all
local codes. Undersized wires could cause
poor equipment performance, equipment damage
or fire.
WARNING
Goodman 22
To avoid the risk of fire or equipment damage, use
copper conductors.
NOTICE
Goodman 23
Units with reciprocating compressors and non-bleed
TXV's require a Hard Start Kit.
1. Disconnect power.
Typical Wiring Connection—Low Voltage Circuit
Heat pump control wiring requires 24-Volt minimum, 25VA service from the indoor transformer. Low voltage wiring for two-stage units
depends on the thermostat used and the number of control wires between the indoor unit and the condensing unit. Route the control
wires through the low voltage port and terminate in accordance with the wiring diagram provided inside the control panel cover.
System Composite Diagram—Heat Pumps 10 KW and Below
C
BU W OR
Heat Pump
W2 O
R
Y
Y
Y
R
R
Y
OR
W
BU
#18 Gauge - 5 Wire
Outdoor Thermostat (Optional) Closed on Temperature Fall
#18 Gauge - 6 Wire Needed When Outdoor Thermostat Is Used
2. Remove control box cover.
3. Connect the field supply wires L1 and L2 to contactor
terminals L1 and L2.
4. Connect ground wire to ground lug.
A
B
5. Connect low voltage circuit.
Conventional
Room Thermostat
W2 G
O
R
E
C
R
BR
G
See
Note 3
W
BU
T2
T1
L2
L1
L2
L1
C
A. Ground lug
B. Field supply ground wire
C. 208/230 volt field supply wires
#18 Gauge - 7 Wire
Indoor Unit
Red
R
R
G
Green
G
White
W2
W
C
Blue
BU
See
Note 4
7

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