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Thread: Added AC to existing heater. AC wont turn off automatic

  1. #21
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    Are these techs, from the company that installed the A/C. Something is wired wrong. What thermostat do you have.

    You need a good tech that understands and can diagnose wiring problems.
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    How many times must one fix something before it is fixed?

  2. #22
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    Curious about that "new" AC make and model.

  3. #23
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    Is there a wiring diagram you can point me to? I can verify that it looks right.

  4. #24
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    Quote Originally Posted by mansat View Post
    Is there a wiring diagram you can point me to? I can verify that it looks right.
    This is something your tech should be doing.
    Again, is this a DIY project or do you have someone doing a side job or handyman work?
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  5. #25
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    I have a tech who is suggesting that the board is bad.. and I find it interesting that right after adding AC the board has gone bad. Which is why I am digging a bit deeper myself.

  6. #26
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    Quote Originally Posted by mansat View Post
    I have a tech who is suggesting that the board is bad.. and I find it interesting that right after adding AC the board has gone bad. Which is why I am digging a bit deeper myself.
    He was on site and looked at it?

  7. #27
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    Quote Originally Posted by mansat View Post
    I have a tech who is suggesting that the board is bad.. and I find it interesting that right after adding AC the board has gone bad. Which is why I am digging a bit deeper myself.
    Dig all you want, but we can not assist you any further here technically other than say that the company that installed your AC needs to get back out there under warranty and get this running for you. Could it be the board? Very highly doubtful.

    This is what I would do, STOP DIGGING, have the this so-called technician (probably you all along) replace the board wire for wire and if it fixes it.....then you are only out the price of the board and he was right. BUT If it doesn't fix it, politely have him put the board back in the box and show him the door.

    I got this nagging suspicion that you have your finger hovering over the BUY NOW button for that board on some HVAC part site, and are wondering if I should or should not buy it?? You slipped a bit in your first post when you admitted that YOU tried three different thermostats, not this technician. This means you are attempting a DIY.

  8. #28
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    Sounds like I offended someone. All I am looking for is comments from hvac experts on the situation. If that’s not for this forum/site- I will remove my question.
    I appreciate everyone who replied and attempted to help.

  9. #29
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    Quote Originally Posted by mansat View Post
    I have a tech who is suggesting that the board is bad.. and I find it interesting that right after adding AC the board has gone bad. Which is why I am digging a bit deeper myself.
    Personally, I would find that REAL interesting..
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  10. #30
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    OP, being very honest here, is this a DIY project? Is a tech actually working on the issue or is this something your trying to install/fix/diagnose yourself?
    “I haven’t failed. I’ve just found 10,000 ways that won’t work.” - Thomas Edison

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  11. #31
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    No one is offended, except apparently yourself. We have rules to abide by as members here and you keep asking us to break them. We have advised you that you need to find another technician or company.

  12. #32
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    NOT a DIY site and you continue to ask for DIY information.

    If there truly is a tech involved, you need to find a different tech/company!!!!!
    If this "tech" had anything to do with the install, I would be concerned with the install.

    Looking at the board wiring, I am concerned/confused. I can comment no more, but without the info on the outside unit and the thermostat being used, I cannot determine if there is a wiring issue or not.

    This would seem to be a very easy issue to diagnose if it will do it consistently. If it is intermittent, then that does make it more difficult.
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  13. #33
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    Quote Originally Posted by mansat View Post
    I have a tech who is suggesting that the board is bad.. and I find it interesting that right after adding AC the board has gone bad. Which is why I am digging a bit deeper myself.
    Then.....Let him do it!

  14. #34
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    Thanks for all the replies everyone. It feels like I am in a wrong place, and I apologize to have violated the rules here. Please feel free to disable/delete this thread.

  15. #35
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    Did you install the air conditioner yourself or are you just trying to figure out the control wiring?
    “I haven’t failed. I’ve just found 10,000 ways that won’t work.” - Thomas Edison

    “It’s not whether you get knocked down, it’s whether you get up.” - Vince Lombardi

    "In this house we obey the laws of thermodynamics" - Homer Simpson

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