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  1. #1
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    All Wires are the same color

    Hello,

    I just recently moved into my new place and noticed the the thermostat was not working properly(the fan would run 24/7 even with the switch in the off position). So I went out and got a Nest Thermostat E. When I went to install the Nest i noticed that all 4 wires in the wall are Brown. Down by the fuse(crew in fuse, not a breaker) 2 of the wires are labeled as clock. It is an older unit. A Rheem Horizontal Gas Furnace RGUD- or RGWD- Series(i have the original manual from the previous owner. Any thoughts on how to figure out where the wires go, or should I just run 4 new wires though the wall? Thoughts?

    Thanks,

    Ben

  2. #2
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    Either a volt ohm meter or run new 8 wire for future upgrades.

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  4. #3
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    There was probably nothing wrong with the thermostat. Could be the wiring, or even a control or component.
    You're going to need a service provider, especially if you need a PM for the upcoming AC season, so let them find/fix you're issue so you don't do (further) damage.
    If I do a job in 30 minutes it's because I spent 30 years learning how to do that in 30 minutes. You owe me for the years, not the minutes.

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    Thread Starter
    HEy thanks for the reply! Are the wires just 2 hots and 2 neutrals, or are there different voltages?

  6. #5
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    Quote Originally Posted by Shmeeh88 View Post
    HEy thanks for the reply! Are the wires just 2 hots and 2 neutrals, or are there different voltages?
    Please before you do damage get a contractor to run new wires.

    Also
    NEST sucks. Let the contractor supply the stat.

  7. #6
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    Loose the Nest

    Sent from my SM-G965W using Tapatalk

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  9. #7
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    Quote Originally Posted by Shmeeh88 View Post
    HEy thanks for the reply! Are the wires just 2 hots and 2 neutrals, or are there different voltages?
    We've had a tremendous amount of problems with nest. Also I would recommend calling out a professional. I know it may seem like we are just recommending that because we're biased, but that's not the case. If you're asking about neutrals and different voltages on control wire it really is time to call a professional. And if it's an older system (like I'm assuming it is) then it would be a really good idea to have the entire system looked at.

    Sent from my SM-G960U using Tapatalk
    "Call a technician for God's sake. Or we'll see you on the news or the Dark Side of the Moon."

  10. #8
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    All wires brown? Never have seen that. May be a homeowner was there before you.

    Wire solid 18ga, or? All in one sheath or just loose in wall....

    Do recommend you have a pro look at it to figure out what got screwed up.
    A dying culture invariably exhibits personal rudeness. Bad manners. Lack of consideration for others in minor matters. A loss of politeness, of gentle manners, is more significant than is a riot.
    ― Robert A. Heinlein

  11. #9
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    That heap comes from the 80s. Probably time to be putting that out to pasture while you're at it. 60% efficient on a good day and probably cracked heat exchanger.

  12. #10
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    I've seen "brown" wires that were originally color striped, had cotton cloth sheath. would have to ohm out.

    like others said, may not be a tstat issue
    Col 3:23


    questions asked, answers received, ignorance abated

  13. #11
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    Quote Originally Posted by billygoat22 View Post

    like others said, may not be a tstat issue
    It will be when he puts in a Nest.
    AOP Rules: Rules For Equipment Owners.

    Free online load calculator: http://www.loadcalc.net/


    There = not here. Their = possessive pronoun. They're = they are
    It's = contraction of it is. Its = the possessive form of it
    Too = also. To = expressing motion. Two = 2
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    Questions should end with a question mark "?" Statements end with a period "."

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