Complete Installation - Whirlpool W2H3 Installation Instructions Manual

Outdoor Unit Typical Wiring Diagram
Outdoor
Fan
PR
BK
OR
R
Y
Compressor
Crankcase Heater
(if used)
Defrost
Thermostat
Equipment
Ground
Crankcase
Heater
(if used)
1. Operate the heat pump for a period of at least 15 minutes to
allow for pressures and temperatures to stabilize.
BK
Compressor
Contactor
Ground
Lug
Reversing
Valve
Compressor
BK
Compressor
Contactor
R
OR
BK
Fan
Defrost
BK
Control
Dual
Crankcase
Outdoor
Capacitor
Thermostat
Fan
(if used) PR

Complete Installation

Dual
Defrost Control
Capacitor
BK
BK
S87
Low
Pressure Switch
(if used)
COMMON
High
Pressure Switch
(if used)
Defrost Control
Fan
Reversing
Valve
Low
Pressure Switch
(if used)
Compressor
Contactor
Coil
BK
High
Pressure
Switch
(if used)
2. If heat pump does not appear to be functioning correctly,
have heat pump checked by a person certified by the EPA to
handle refrigerant.
FAN
Thermostat
Ground
Thermostat
Line voltage - Field
Low voltage - Field
Line voltage - Factory
Low voltage - Factory
7