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

    Sep 29, 2007, 09:28 AM
    Installing New Thermostat from 6 wire to 5 wire
    I'm installing a new 5 wire progammable Hunter Thermostat. I have all but one of my wires accounted for. I RH and RC jumped together with R, W2 to W, Y to Y, and G to G. I do not need the "C" common blue wire as the new unit is battery operated, so I have this wire taped off. I have an orange wire labeled as "O" and not sure what to do with this. I know that "O" is used for reversing from heating to cooling, but not sure how to hook it up on new thermostat or if I need it. Thanks.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Sep 29, 2007, 10:02 AM
    Is this a heat pump??
    acetc's Avatar
    acetc Posts: 1,004, Reputation: 79
    Ultra Member
    		  
    #3

    Sep 29, 2007, 12:05 PM
    You have the wrong thermostat, you need a heat pump thermostat with two stage heat. Good luck, Mike
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