GE PROGRAMMABLE THERMOSTAT - Terminal Definition

20
Terminal Denition
L
C
G
Y
Y2
W
W2/E
W3/O/B
RH
RC
Terminal Convectional Heat
Cool
System
Heat Pump
System
L No Use System Monitor
C 24VAC Common for control ciruit and thermo-
stat power input
G FAN
Y 1st stage cooling 1st stage
compressor
Y2 2nd stage cooling 2nd stage
compressor
W 1st stage heating Auxiliary heating
W2/E 2nd stage heating Emergency
heating
W3/O/B 3rd stage heating Changeover Valve
RH 24VAC Power supply for Heating side
RC 24VAC Power supply for Cooling side