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    PeterPan61's Avatar
    PeterPan61 Posts: 1, Reputation: 1
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    #1

    Jan 15, 2011, 07:40 AM
    Thermostat wiring
    Hi can anyone ID the wires in Thermostat:
    R,W,Y,G,Rc which one is 24VAC ( power for thermostat unit), which wire control Air, which one for Heat?
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    Jan 15, 2011, 07:42 AM

    I usually see red for the Power, white for heat, green for fan and blue and or yellow for cool.
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