C
G
R
Y
1
W2
W
1
O
B
Y2
Commercial Gas or Electric Heat *,
Electric Cool, split systems & package units
including Commercial Heat Pumps **
Sample Wiring Diagrams
Gas or Electric Heat
7 Wire, 2 Stage Cooling, 2 Stage Heat
*
selected ON (see page 12, step 5 of Owner’s Manual).
** Commercial heat pumps do not have the heat pump turned
ON in advanced setup (see page 11, step 3 of Owner’s Manual).
If using first stage electric heat, this option must be
POWER
R
COMPRESSOR
Y
2nd STAGE
COOLING
Y2
FAN
G
2nd STAGE
HEATING
W2
COMMON
C
W
GAS VALVE
or
STRIP HEAT
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