Robertshaw RS10420T Installation Manual page 12

WIRING DIAGRAMS
Typical 3H/2C or 2H/1C Heat Pump System
COMPRESSOR
RELAY
EMERGENCY
HEAT RELAY
FAN RELAY
AUXILIARY
HEAT RELAY
COMPRESSOR
RELAY 2
10
(HOT)
COOL REVERSING
VALVE
HEAT REVERSING
VALVE
Typical 2H/2C System: 2 Transformers
REMOVE JUMPER
COMPRESSOR
FAN RELAY
COMPRESSOR
RELAY 2
RELAY
HEAT RELAY
HEAT RELAY 2
(HOT)
(HOT)