User's Manual
English
© 2016 Schneider Electric. All rights reserved.
Wiser Air Installation Guide 1-855-559-4737 www.wiserair.com
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
Zone Control
Connections: RC, C, G, W, Y, W2, Y2
Y - Zone Cooling
W - Zone Heating
Y2, W2 - In a Zone Control Application
with multiple thermostats, one of the
thermostats serves as the primary
thermostat controlling the System Mode.
The Y2 and W2 terminals on the primary
thermostat control System Heat and
System Cool.
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
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