Owner's Manual

2-wire Heat Only
3-wire Cool Only
3-wire Heat Only
THERMOSTAT
G W Y RHRC
Heat Relay
or Valve
Heat
Transformer
THERMOSTAT
G W Y RHRC
Heat Relay
or Valve
Heat
Transformer
Fan
Relay
THERMOSTAT
G W Y RHRC
Cool
Contactor
Fan
Relay
Cool
Transformer