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    mailman8585's Avatar
    mailman8585 Posts: 5, Reputation: 1
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    #1

    Apr 27, 2009, 04:15 PM
    converting LR69071 to TH 4210D honeywell thermostat
    LR 69071 was wired the following way. G=Green, R=Red, Y=Yellow, O=Orange, X=Blue, and W2 and E= White. Please let me know how the above wires should be connected to the new TH 4210D honeywell thermostat. Thanks in advance.
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
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    #2

    Apr 27, 2009, 04:21 PM

    What letters do you have on the new stat?
    mailman8585's Avatar
    mailman8585 Posts: 5, Reputation: 1
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    #3

    Apr 27, 2009, 04:30 PM
    Quote Originally Posted by mygirlsdad77 View Post
    what letters do you have on the new stat?
    E, Aux, Y, G, O, L, R, B, and C
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
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    #4

    Apr 27, 2009, 06:06 PM

    You have a heatpump system? I don't work with heatpumps much. Sorry I will be of no help here, hope one of the other pros here can help.
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #5

    Apr 27, 2009, 06:11 PM

    All the same w2 is aux, and blue will be L

    Do you have any extra wires there? That can be used?
    mailman8585's Avatar
    mailman8585 Posts: 5, Reputation: 1
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    #6

    Apr 27, 2009, 06:23 PM

    I only have the six wires. I will try it and let you know how it comes out. Thanks for your help.
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #7

    Apr 27, 2009, 06:25 PM

    No problem, with only 6 wires you will not have a common. This is fine, but you will be changing the batteries a good bit in the t-stat.
    mailman8585's Avatar
    mailman8585 Posts: 5, Reputation: 1
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    #8

    Apr 27, 2009, 06:41 PM

    Thanks so much for your help. I really appreciate it.
    Joshdta's Avatar
    Joshdta Posts: 2,549, Reputation: 45
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    #9

    Apr 27, 2009, 06:44 PM

    Does it work? Gald I could help
    mailman8585's Avatar
    mailman8585 Posts: 5, Reputation: 1
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    #10

    Apr 27, 2009, 06:48 PM

    So far so good.
    Joshdta's Avatar
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    #11

    Apr 27, 2009, 06:51 PM

    Great!!
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