Instructions / Assembly
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Wiser Air Installation Guide 1-855-559-4737 www.wiserair.com
4
Common system congurations
In all applications: RC and C provide power to the thermostat; G controls the fan.
Single Stage Heat/Cool
Connections: RC, C, G, W, Y
W - Heating
Y - Cooling
Single Stage Dual Fuel Heat Pump
Connections: RC, C, G, W, Y, O/B, S1, S2
Y - Compressor Stage 1
W - Auxiliary Heat
O/B - Reversing Valve
S1, S2 - Exterior temperature sensor
Single Stage Heat Pump
Connections: RC, C, G, W, Y, O/B
Y - Compressor
W - Auxillary Heat
O/B - Reversing Valve
Two Stage Heat/Two Stage Cool
Connections: RC, C, G, W, Y, W2, Y2
Y - Stage 1 Cooling
W - Stage 1 Heating
Y2 - Stage 2 Cooling
W2 - Stage 2 Heating
Two Speed Heat Pump
Connections: RC, C, G, W, Y, Y2, O/B
Y - Compressor Stage 1
Y2 - Compressor Stage 2
W - Auxiliary Heat
O/B - Reversing Valve
Single Stage Heat Pump with
Air Exchanger
Connections: RC, C, G, W, Y,
W2, O/B
W - Auxillary Heat
Y - Compressor
W2 - Air Exchanger
O/B - Reversing Valve