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Thread: fan/compressor problem

  1. #1
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    fan/compressor problem

    I noticed my a/c was not cooling today. Went outside and checked condenser unit. The fan was turning slowly and the compressor wasn't running. I heard a loud buzz and immediately shut off the power. I called the installer ( the unit is about 7 years old) and he said the start/run capacitor was probably bad. I replaced this capacitor about 3 years ago and I know how to do it. He told me to go buy one tomorrow along with a hard start kit. Why would I need a hard start kit? How do I check the capacitor with a multimeter that does have an mfd function? Any help would be appreciated.

  2. #2
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    Your INSTALLER told you to change the cap?
    Really?
    "Hey Lama, hey, how about a little something, you know, for the effort." And he says, "there won't be any money, but when you die, on your deathbed, you will receive total consciousness." So I got that goin' for me, which is nice. - Carl Spackler

  3. #3
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    I wouldn't lie to you, REALLY.

  4. #4
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    wow..... tell him to change it.....
    it was working.... played with it.... now its broke.... whats the going hourly rate for HVAC repair

  5. #5
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    Hot in Alabama these days. Can change myself no problem. Is that a no-no here?

  6. #6
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    Quote Originally Posted by ace065 View Post
    Hot in Alabama these days. Can change myself no problem. Is that a no-no here?
    DIY is against site rules.

    While we can't stop you from working on your own unit, we won't offer you assistance, either.



  7. #7
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    Thread Starter
    No problem. I understand your need to not help DIYers. I perfectly understand your need to prey on those homeowners who can perform some of your work and thereby save paying some of your ridiculously high prices. You are the typical people who will pick the brains of others when it comes to auto repair, electrical work, carpentry and even help with your golf game and do not see it as violating your own so-called principles.

    So...with the help of my installer, who IMO is in a class higher than any of you, I will personally install the cap myself.

    Have a nice day and may there be slimy, slithery creatures waiting for you under the next house you are under. Or should I call a snake handler for you?

  8. #8
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    Nov 2010
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    Relax Ace!

    No professional here is going to be able to truely diagnose your problem over the Internet and we certainly aren't going to tell you to dig around in the electrical panel of your condenser either, even if you claim to know how!

    We've helped plenty if DIYs, even do it at my job, answer questions all day.
    "I've got my Gas Mechanics license"
    "Yea, well my 16yr old daughter has her drivers license, doesn't mean she knows how to drive"

  9. #9
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    If your installer already told you the problem, why are you here anyways?

    What kind of multimeter do you have?
    "I've got my Gas Mechanics license"
    "Yea, well my 16yr old daughter has her drivers license, doesn't mean she knows how to drive"

  10. #10
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    He is very busy apparently and , since I had changed out the cap three years ago (with the help of a seasoned hvac guy) I know how to do it. It was his suggestion that I do this myself. I am going to take the old cap to my installers parts supplier and go from there.

    I would NEVER try to do something I an not capable of doing. Some things I am confident I can do and this is one of them.

    Thanks

  11. #11
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    Installer is putting in new condenser unit this weekend. I will be there to help with heavy lifting....nothing else. As a final gesture of my loving support for you hvac guys, after my guy has installed the unit, I will place a large number of C-notes in his warm, sweaty palm.

    I pay cash. I know he, as well as all of you would do, will make sure Uncle Sam gets his share.

  12. #12
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    Capacitors are very dangerous and can maim or kill. Even I as a professional approach them with great caution. if we as professionals started answering DIY questions; we would open ourselves up to liability issues; not to mention not wanting to be responsible for injury to another person. I don't know you and still I want you to wake up tomorrow in one healthy piece.

  13. #13
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    Thread Starter
    I appreciate your concern, seriously. I will steer clear of exploding caps.

  14. #14
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    Quote Originally Posted by ace065 View Post
    Installer is putting in new condenser unit this weekend. I will be there to help with heavy lifting....nothing else. As a final gesture of my loving support for you hvac guys, after my guy has installed the unit, I will place a large number of C-notes in his warm, sweaty palm.

    I pay cash. I know he, as well as all of you would do, will make sure Uncle Sam gets his share.
    I hope he is also installing a matching 410a coil to go along with that condenser

  15. #15
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    Thread Starter
    Question- How important is matching coil to condenser seer rating? If coil is higher than condenser in seer, what, if any, is different from matching seers?

  16. #16
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    Nope cat Installing R22 unit since my coil is just over 4 years old. Don't mind throwing money up a wild hog's a**, but not in this case. And not interested in hearing what a mistake I am making, unless you want to pay for it. Anyway, I am relying on my professional hvac man to lead and guide me down the path of reason and equity. (I kinda like the sound of that.)

  17. #17
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    Quote Originally Posted by ace065 View Post
    Question- How important is matching coil to condenser seer rating? If coil is higher than condenser in seer, what, if any, is different from matching seers?
    I don't think the evaporator coil determines seer rating. There is no such thing as a 13 Seer or any other efficiency rated indoor coil. Indoor coils do not determine overall efficiency.
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  18. #18
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    Thread Starter
    I had a new high efficiency furnace and evaporator coil installed almost 5 years ago. At the time, the condenser unit was about 5 years old, so I decided to keep it. It was a 10 seer unit. My installer at that time is also replacing my condenser unit tomorrow and he is the one who told me I have a 13 seer coil. Hence my question about efficiency. How much more efficient will the 13 seer be over the 10 seer?

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