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wiring Diagram for Conventional Heat/Cool
System
AC_ IN
Power Supply
AC_ IN
3rd hea ng relay
2nd hea ng relay
1st hea ng relay
1st cooling relay
2nd cooling relay
Fan relay
Heat Cool
Rc
Jumper Wire
RH
3rd HEATING
W3
2nd HEATING
W2
1st HEATING
W
1st Cooling
Y
2nd Cooling
Y2
FAN
G
C
L
10
Transformer
24VAC
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- Programmable Thermostat
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