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    Wiring a honeywell thermostat

    Asked Mar 24, 2008, 02:01 PM 7 Answers
    I have a weathertron by trANE AND I HOOKING UP A HONEYWELL PRO TH 3000 SERIES
    I NEED TO KNOW THE conversion of the WIRES between the two thermostat . PLEASE HELP ask if you need more imfor

    Last edited by humpdell56; Mar 24, 2008 at 04:41 PM.
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    7 Answers
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 434
    Heating & Air Conditioning Expert
     
    #2

    Mar 24, 2008, 07:06 PM


    I hope you marked and wrote down exactly where the wires came off on the old thermostat. If so list the combination.
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    humpdell56's Avatar
    humpdell56 Posts: 3, Reputation: 1
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    #3

    Mar 25, 2008, 01:06 PM
    yes the wires are still on the old one
    o=orange g = green y = yellow x2= black b = blue t= brown r= red w=white
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    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 434
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    #4

    Mar 25, 2008, 02:44 PM


    I cannot locate the exact model number you provided on the Honeywell site. This pro TH3000 does not seem to be a good number. Please recheck your number that is directly on the new thermostat. Be accurate.

    Is this a heat pump system?
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    humpdell56's Avatar
    humpdell56 Posts: 3, Reputation: 1
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    #5

    Mar 25, 2008, 05:23 PM
    It is a pro 3000
    Model th3110d10008-cb
    That is all on the box

    Yes it is a heat pump
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    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 434
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    #6

    Mar 25, 2008, 07:23 PM


    I believe you have the wrong thermostat. You need one with two stage heat and the one you have only has one stage heat.

    This is the one you need.

    TH3210D1004

    Here is the wiring for that unit

    http://customer.honeywell.com/techli...it/69-1775.pdf

    The difference is one stage heat on the TH3110D
    And

    Two stage heat on this one

    TH3210D The numbers are close but no cigar.

    You will need to buy the other one and yes I know the one you have says heat pump BUT it will not work because you also have electric heat. I can tell that by the wiring letters/colors you sent.
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    Rabbit5704's Avatar
    Rabbit5704 Posts: 2, Reputation: 1
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    #7

    Dec 26, 2012, 01:54 PM
    I have an old Whalen thermostat and I am replacing it with a Honeywell Pro 3000 The wires on the back of the Pro 3000 plate show.

    W Y G O Rc R B C



    Colors coming out of living Rm wall are

    Yellow Orange Red Blue Black Brown

    What goes where?
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    Rabbit5704's Avatar
    Rabbit5704 Posts: 2, Reputation: 1
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    #8

    Dec 26, 2012, 03:06 PM
    It's a TH3110D1008
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