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Heatpump Wiring & HVAC Setup CodesUpdated 10 months ago

The thermostat will support up to 2-stages of compressor (Y1, Y2), a configurable Reversing Valve (O/B), fan control (G) and 1-stage of emergency/aux heat (W2/AUX). 

 

The thermostat is powered on terminals RH and C. W1-O/B and W2-AUX are multi-purpose terminals and requires an HVAC setup code before it can be used to control the HVAC equipment. 

Basic Heat Pump Setup Codes:

Heat pump systemsCode
1-stage heat pump, No Aux heat, RV on cool31N
2-stage heat pump, No Aux heat, RV on cool86N
1-stage heat pump, with Aux heat, RV on cool31P
2-stage heat pump, with Aux heat, RV on cool86P
1-stage heat pump, No Aux heat, RV on Heat31J
2-stage heat pump, No Aux heat, RV on Heat86J
1-stage heat pump, with Aux heat, RV on Heat31L
2-stage heat pump, with Aux heat, RV on Heat86L


See Setting the Primary/Advanced HVAC Control Configuration section for more details.




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