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    Raven_K's Avatar
    Raven_K Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 22, 2011, 04:23 PM
    Need Help Replacing White-Rogers thermostat with Aprilaire
    I am replacing a White-Rogers 1F58-72 with an Aprilaire 8465. I have a 2 stage heat system with heat pump and electric elements and AC. The original wiring was as follows:
    Green G
    Red R
    Blue X1
    Brown E
    White W2
    Yellow Y
    Orange O

    The Aprilaire thermostat has the following terminals:
    RC Jumped to R
    R Red
    W White
    Y Yellow
    G Green
    C
    S1
    S2
    O/B Orange
    L

    This is how I currently have it wired. If this is correct, where do the blue and brown wires go?

    All help will be greatly appreciated.
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    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
    Ultra Member
    		  
    #2

    Jan 22, 2011, 07:39 PM
    Blue will go to C. the Brown is not used with the new thermostat (tape it off).
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