Specifications

Installer Guide 4
Wiring Terminations for model 5320
Terminal Function Description
 A Output EconomizerControl
  G Output FanControl
  Rc Input 24VoltACCoolingTransformer
    (DualTransformerSystemsOnly)
  Rh Input PowerConnection(24VoltACHeating  
    TransformerorMillivoltPowerSource)
 W1/E/ Output (W1)1stStageConventionalHeat,
 AUX1  (E)EmergencyHeat,    
(AUX1)1stStageAuxiliaryHeat
 W2/AUX2 Output (W2)2ndStageConventionalHeat,  
    (AUX2)2ndStageAuxHeat
 W3/O/B Output (W3)3rdStageConventionalHeat,  
    (O)CoolActiveReversingValve   
    (B)HeatActiveReversingValve
  Y1 Output 1stStageCompressor
  Y2 Output 2ndStageCompressor
  C Input 24VoltACTransformerCommon
  L Input SystemMalfunctionIndicator
  S1
  S2
Connecting Your Wires (continued)
3
Input OptionalRemoteSensor(indoororoutdoor)