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

    Nov 30, 2006, 07:41 PM
    Theromstat RTH 230B - Heating AC
    I'm having trouble with the heating function of our Honeywell RTH 230B. I have the following wires: Red, White, Blue, Green. I have hooked up the wiring to the following:
    RH - Nothing (Jumperd)
    RC - Red
    W - White
    Y - Blue
    G - Green.

    When I turn on the heating nothing happens, even when I turn on the fan. When I turn on the AC it works. I have tried several combinations and I still can't get the heat to work. Please help someone help!! Im Freezing!!

    Thanks
    Tawn
    labman's Avatar
    labman Posts: 10,580, Reputation: 551
    Uber Member
    		  
    #2

    Nov 30, 2006, 08:48 PM
    You mean the red wire is connected to RC, and then jumpered to RH? If so, it should work. Go to the furnace, and jumper the R and W terminals. If the furnace fires up, the problem is in the wires or the thermostat. If it doesn't, the problem is in the furnace.
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