Sample Wiring Diagrams
Gas or Electric Heat
4 Wire, 1 Stage Cooling, 1 Stage Gas Heat
Residential Gas or Electric Heat*,
Electric Cool, split systems & package
units
* If using first stage electric heat, this option must be
selected ON (see page 11, step #6 of Owner’s Manual).
POWER
R
COMPRESSOR
Y
W
GAS VALVE
or
STRIP HEAT
FAN
G
C
G
R
Y
1
W2
W
1
O
B
Y2
Page 6