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

    Apr 13, 2008, 04:23 PM
    Installing new thermostats
    I am installing (2) new Hunter model 44155C thermostats in my home to replace the original Carrier heatpump thermostats. How do I connect the 5 wires used from the old thermostat to the new thermostat?
    The existing connections are:

    R = Red Wire
    Y/Y2 = Yellow Wire
    G = Green Wire
    C = Blue Wire
    W/W1 = White Wire

    The new thermostat has the following terminals:

    G
    RC
    RH
    Y/O
    W/B
    Y1

    Thanks, Mark
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
    Uber Member
    		  
    #2

    Apr 13, 2008, 04:28 PM
    Only trick is to jump Rc with Rh and call the combined terminal R.
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