Single-stage Heat Pump THERMOSTAT
G
W
Y
O/B
RHRC
Heat Pump
24V Supply Fan
Relay Compressor
Contactor Reversing
Valve
Jumper
X - No Connection
O/B
2-wire Heat Only THERMOSTAT
G
W
Y
RHRC
Heat Relay
or Valve
Heat
24V Supply
XXXX
X