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  1. #14
    Join Date
    Mar 2008
    Location
    Florida
    Posts
    193

    Red face Residential A/C

    This problem you are having is what I call a very simple process of elimination, one step at a time and you will eventuallly step into a hole. Hopefully its a very small hole. Good luck.

  2. #15
    Join Date
    Dec 2006
    Location
    Middle Tennessee
    Posts
    11,347

    *

    Quote Originally Posted by powerup View Post
    This problem you are having is what I call a very simple process of elimination, one step at a time and you will eventuallly step into a hole. Hopefully its a very small hole. Good luck.
    uhh, what?



    .

  3. #16
    Join Date
    Mar 2007
    Location
    Myrtle Beach, SC
    Posts
    2,919
    Sounds like low air flow.

    Caused by restrictive air filter, dirty filter, dirty blower, no filter( Causing dirty coil), closed registers, damaged ducts, etc.
    Remember, Air Conditioning begins with AIR.

  4. #17
    Join Date
    Oct 2003
    Location
    Valdosta Ga
    Posts
    847

    Cool

    Ditto on low air flow dirty coil or filter

  5. #18
    Join Date
    Apr 2004
    Posts
    7,680
    First thing is first, is it matched?

  6. #19
    Join Date
    Nov 2007
    Location
    walnutport, pa
    Posts
    15
    outdoor txv is not operating

  7. #20
    Join Date
    Mar 2004
    Location
    Grottoes VA
    Posts
    5,856
    If the txv is not operating you would not have a 70 suction.
    Karst means cave. So, I search for caves.

  8. #21
    Join Date
    Mar 2007
    Location
    Myrtle Beach, SC
    Posts
    2,919
    If the Outdoor TXV was not operating, you would not have high head either. If the outdoor check valve was stuck open, you would have high suction and low head.

    Poor heat transfer at the condensor coil (Indoor coil in heat) is the only likely answer besides over charge or non condensibles. And poor heat transfer would normally be caused by low air flow.
    Remember, Air Conditioning begins with AIR.

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