WIRING
12
Typical 1H/1C heat pump system
Typical heat-only system
Typical heat-only system with fan
Typical cool-only system
FAN RELAY
COOL
REVERSING VALVE
HEAT
REVERSING VALVE
COMPRESSOR
RELAY
(HOT)
HEAT RELAY
(HOT)
FAN RELAY
HEAT RELAY
(HOT)
FAN RELAY
COMPRESSOR
RELAY
(HOT)