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    lugnut92's Avatar
    lugnut92 Posts: 1, Reputation: 1
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    #1

    May 30, 2007, 06:18 PM
    A/C wiring mismatch
    I saw a similar post but it wasn't exactly relevant to our problem. Our air conditioner has a red/white/green wire coming out of it and the wire coming from the house is only red/white. The insulation on the wires was coming off (thanks to the dogs) and we were trying to fix it but did not pay attention to what wire went where. The a/c worked perfectly before we worked on the wires but now it does not work at all. Please help me, its starting to get hot here!!
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    May 30, 2007, 07:09 PM
    Red at AC is Hot, and to Red at recpticle. Either can be black.
    White Is neutral to Neutral(Whites)
    You AC has Green ground, That goes to green wire, ground screw or available ground.
    Sounds like your receptacle had no ground pigtail,(not always enforced)
    Best to hook ground from box to ground on recpticle or ground to ac.
    letmetellu's Avatar
    letmetellu Posts: 3,151, Reputation: 317
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    #3

    May 30, 2007, 08:42 PM
    Find the three wires in at the furnace and check to see which two of the three wires are being used at the furnace. One should be connecter to the Y terminal on the circuit board, the other should be connected to the C terminal, (it could be marked com). After you find out which wires then use the same two at the AC. There should be a couple of wires coming from the contactor (Low voltage wires) the ones that you disconnected the dog chewed wires from.
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #4

    May 31, 2007, 05:29 AM
    I was thinking he was talking about 120 volt wall unit?
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