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  1. #14
    Join Date
    Nov 2005
    Posts
    1,342
    Quote Originally Posted by dangpgt97 View Post
    Hi

    Just curious what type of compressor is in there?
    Copeland scroll
    I STARTED WITH NOTHING, AND I STILL HAVE MOST OF IT!

  2. #15
    Join Date
    Nov 2005
    Posts
    1,342
    Quote Originally Posted by just_opinion View Post
    Look at your original post man.
    What kind of question is that ????
    You did not even give any info. Not even the model.

    And you ask us for F@#$ inputs.
    And you call yourself a F@#$% tech.

    You gotta be F#$$^ kidding me right ??

    Have anyone ever seen a car mechanic asks another mechanic -- "My have Chevy that is noisy. Can you give me some inputs to the problem ??"
    You are a joke! Or should I say a F___ing joke! HA HA HA ! loser
    I STARTED WITH NOTHING, AND I STILL HAVE MOST OF IT!

  3. #16
    Join Date
    Jul 2009
    Location
    Connectitaxed
    Posts
    2,644
    Quote Originally Posted by allstar08 View Post
    Lennox said it needed a adjustable txv.
    Duh!!! I'm thinking I might take a closer look at that unit I have when I get a chance. I'm assuming that this is warranty work for you. Good luck and keep us updated. By the way, do you have a model # for that unit?

  4. #17
    Join Date
    Nov 2005
    Posts
    1,342
    you will know when you go to take the cap off the bottom of the txv and liquid refrigerant comes out.
    I STARTED WITH NOTHING, AND I STILL HAVE MOST OF IT!

  5. #18
    If scroll compressors have too large of a pressure drop with the fan cycling the discharge plate will lift in the compressor and make a loud hissing noise.Sooner or later compressor will fail

  6. #19
    Join Date
    Nov 2005
    Posts
    1,342
    Quote Originally Posted by coilcleener View Post
    If scroll compressors have too large of a pressure drop with the fan cycling the discharge plate will lift in the compressor and make a loud hissing noise.Sooner or later compressor will fail
    good point.

    I replaced the TXV and the compressor, and the noise is gone. I am hopeful that the TXV was the main cause of the compressor failing. What you are saying about the pressure drop is interesting.
    I STARTED WITH NOTHING, AND I STILL HAVE MOST OF IT!

  7. #20
    Join Date
    Jun 2001
    Location
    Northwest Indiana
    Posts
    1,287
    coils leaks could be traced back to the head pressure fluctuations.
    Was the job brazed?
    Id certainly prefer the p66 over the standard presuure on off method
    If you cant fix it right, try again.

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