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  1. #1
    Join Date
    Aug 2006
    Posts
    13

    heatpump defrost

    I have a 2 month old heatpump, when it shifts into and out of defrost it makes a terrible noise sometimes you can hear it travel up the lineset in the wall. Spoke with company that did the install thinks it may be a sticking tx valve and to keep an eye on it and give him a call if it continued. My concern is any damage that may be occuring to the unit in the meantime. I had two of the same units installed and the other is much more quiet. Should I get a service tech now and not wait ?

  2. #2
    I wouldn't think it would be too much to ask for the company that did the install to come and check it out.
    Their response of "thinking" it could be a stuck TXV and putting you in charge of monitoring the situation is simply lame.
    I would insist that they come out and address your concerns ASAP.

  3. #3
    Join Date
    Mar 2002
    Location
    Richmond, Virginia
    Posts
    4,264
    I agree with chillbillly. The installing contractor could show a little service after the sale attitude here. Ask them if there is a compressor "delay feature" on the defrost board. Some boards have it but it must be field selected.

    Compressors can make quite a racket during initiation and termination of defrost. There could be a refrigerant level problem, or it could be inherit with your model.
    There is nothing more frightful than ignorance in action....Mark Twain

  4. #4
    Join Date
    Jan 2007
    Location
    Charm City--the city that bleeds
    Posts
    2,790
    HVAC Pro--obviously darwin never noticed the cat playing with the mouse.
    It's great to be alive and pumping oxygen!

  5. #5
    Join Date
    Mar 2002
    Location
    Richmond, Virginia
    Posts
    4,264
    Quote Originally Posted by The Doctor View Post
    HVAC Pro--obviously darwin never noticed the cat playing with the mouse.
    Okay, that wasn't nice. As far as I know cats aren't considered wild animals. And it's not nice to hijack a thread.
    Last edited by HVAC Pro; 01-30-2007 at 09:22 AM.
    There is nothing more frightful than ignorance in action....Mark Twain

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