Sample Wiring Diagrams
Page 7
R
C
LOW
Y1
MED
W1
HI
O
E
L
R
C
G
Y1
Y2
W1
W2
O
24 vac common
24 vac return
fan relay - low speed
fan relay - med. speed
fan relay - high speed
compressor relay
hot water valve
R
C
G
Y1
Y2
W1
W2
O
E
L
R
C
G
Y1
Y2
W1
W2
O
24 vac common
24 vac return
fan relay
compressor relay
reversing valve
Commercial Gas or Electric Heat ***,
Electric Cool, split systems & package units
including Commercial Heat Pumps **
No auxiliary heat, residential Heat Pumps ,
split systems & package units
7 Wire, Fan Coil w/ 3 Speed Fan
5 Wire, 1 Stage Cooling, 1 Stage Heat - Heat Pump*
Thermostat
Thermostat
* If using residential heat pump, this option
must be selected on during advanced setup.
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