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    joenic927's Avatar
    joenic927 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Nov 13, 2006, 03:02 PM
    Install help, please
    I am installing a HONEYWELL RTH110B

    The outputs read: Rh Rc W Y G

    I have a red, blue, white, yellow and green wire coming from the wall.

    I have read something about a "jumper" from Rh to Rc... But what's that?

    I also don't know what to do w/ the blue?

    Please Help.
    NorthernHeat's Avatar
    NorthernHeat Posts: 1,455, Reputation: 132
    Ultra Member
    		  
    #2

    Nov 13, 2006, 03:37 PM
    There is a sticky I posted on the top of the main page telling what all the thermostat colors are for. I don't know what your blue wire is for since installers can use it for a heat pump reversing valve, common/ground, or the cooling relay. You need to find out what it is connected to in the furnace. If you have only one transformer that controls the heat and cooling youn need to jumper Rc and Rh.
    labman's Avatar
    labman Posts: 10,580, Reputation: 551
    Uber Member
    		  
    #3

    Nov 13, 2006, 04:39 PM
    A jumper is just a wire connecting 2 things. Connect the red to one, and run a little bit of wire between the RH and RC.
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