Owner`s manual

Thermostat Connections
The following table shows all standard thermostat terminals and associated functions.
Terminal Function Standard Wire Color
R 24 VAC Supply (heat & cool) Red
Rh 24 VAC Supply (heat) Red
Rc 24 VAC Supply (cool) Red
W or W1 Heat White
G Fan Green
Y or Y1 Cool Yellow
C or X 24 VAC Common Blue or Black
W2 Stage 2 Heat Pink or other color
Y2 Stage 2 Cool Blue or Pink
O or O/B Reversing Valve (Heat Pump) Orange, Blue, or Black
E Emergency Heat (Heat Pump) Blue, Pink, Gray or Tan
Thermostat Wiring
If you need to replace your thermostat wiring, or are installing wiring for new equipment, use
the following wire specification 18 AWG 4, 5, or 7 Conductor 300V, Type CL2 (UL) 105 Deg C.
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