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    mike1676's Avatar
    mike1676 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Oct 2, 2008, 05:42 PM
    Noma thermostat
    Hi I'm trying to connect a new programmable thermostat the old 1 has white black green and red wires, the new one has a spot for red black green and orange.What do I do I'm pretty sure orange is for central air which I have so I don't know why it's not there or what to do with the black.

    Thanks.
    MarkwithaK's Avatar
    MarkwithaK Posts: 955, Reputation: 107
    Senior Member
    		  
    #2

    Oct 2, 2008, 05:59 PM

    Did you make notice of where the wires were when you disconnected the old stat?
    Check the terminal board on your furnace. Where are the wires connected to on there?
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