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

    Apr 20, 2008, 05:32 PM
    Thermostat Replacement
    I am trying to replace my old thermostat with a new Humter Programmable Thermostat but as I can tell from surfing wire matching is not an easy thing. My unit was put into service in 1976. In the old thermostat there are the following wires:

    Y - Yellow
    G - Green
    R - Red
    O - Orange
    E - Ebony / Tan
    C - Coral
    W2 - Beige or White

    The new thermostat has

    G
    RC
    RH
    Y/O
    W/B
    Y1

    From surfing I think that Red goes to RH which is jumpered to RC. Green goes to G. Yellow and Orange go to Y/O. But am not sure if this is correct or what to do with the other wires. Can anyone help?

    Thanks!
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
    Ultra Member
    		  
    #2

    Apr 20, 2008, 06:27 PM
    Yellow Y1,Green G,Red RC with a jumper to RH, Orange Y/O, Green G, White W/B, cap off the tan wire that went to E.
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