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    vmasc's Avatar
    vmasc Posts: 2, Reputation: 1
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    #1

    Nov 14, 2010, 08:19 AM
    Trying to install a RTH2310 Honeywell Programmable Thermostat
    I only have 2 wires coming from the wall, one was labeled R5 and one 4 on the old wall plate. The manual shows connecting more. Do I have to run more wiring?
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Nov 14, 2010, 09:48 AM
    2 wires are heat only. Is this what you have? Your instruction manual should show you heat only and heat/air hookups. I believe red and white are heat only.
    vmasc's Avatar
    vmasc Posts: 2, Reputation: 1
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    #3

    Nov 14, 2010, 11:59 AM
    Yes, that is what I have, one red, one white wire. But the manual shows connections with wires that are labeled Rh Rc W Y G, and then it's says if they don't match then next connection it shows is C R Rc W Y G. So should I just hook the red wire to R and the white one to W?

    Thank you.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #4

    Nov 14, 2010, 04:05 PM
    Red goes to RH and White goes to White. From the manual I saw, you need to remove the red jumper that is between RC and RH. Should work. Hope this helps. Brian
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