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    tzagst's Avatar
    tzagst Posts: 2, Reputation: 1
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    #1

    Apr 17, 2008, 05:20 PM
    Heat work but ac doesn't
    I have installed a Hunter Programmable Thermostat model 44660. The heating works fine, but the A/C does not work. According to the display, the air is running, but nothing is coming out of the vents. While I know that the wiring colors are not always 100% accurate, I have the wiring set up as follows:

    Green:G
    White:W
    Yellow:Y
    Red:RH
    Orange:RC
    And blue isn't connected said that it was for power for older thermostat.

    Please let me know what to do thanks.
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
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    #2

    Apr 17, 2008, 06:33 PM
    You need to remove the orange wire from RC and add a jumper wire from RH to RC at the thermostat. What did the orange wire go to on the old thermostat?
    tzagst's Avatar
    tzagst Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Apr 18, 2008, 04:02 AM
    Quote Originally Posted by T-Top
    You need to remove the orange wire from RC and add a jumper wire from RH to RC at the thermostat. What did the orange wire go to on the old thermostat?

    The orange went to O, so what would I do with it now?
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
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    #4

    Apr 18, 2008, 04:11 PM
    It's a new ball game now that we know you have a heat pump. The Orange wire needs to go to the Y/O on the thermostat and the yellow to Y1. O is the reversing valve for cooling mode, Y1 is the compressor, first stage cooling and heating, W is second stage heat but I'm not for sure if you have a two stage heat, Heatpump thermostat.
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