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    i4u2003's Avatar
    i4u2003 Posts: 1, Reputation: 1
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    #1

    Jun 19, 2007, 09:18 AM
    Thermostat wiring
    My old thermostat has 7 wires (red yellow green orange brown white blue) my new programmable has 4 and I'm not sure what to do with it
    esquire1's Avatar
    esquire1 Posts: 2,483, Reputation: 209
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    #2

    Jun 19, 2007, 09:41 AM
    If all the wires were used in the past, you have a heat pump. The new stat is not for heat pump. Return it and get correct one.
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