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Thread: A/C question

  1. #1
    Join Date
    Oct 2005
    Posts
    2

    if your suction side gauge pressure is low what could be the problems besides low frion

  2. #2
    Join Date
    Oct 2005
    Location
    Tempe, Az
    Posts
    7
    No fan, dirty air filter

  3. #3
    Join Date
    Sep 2004
    Location
    Memphis
    Posts
    2,502
    possibly a restriction in the metering device.
    Life is like a jar of jalapenos. What you do today might burn your ass tomorrow.

  4. #4
    Join Date
    Mar 2004
    Location
    SE Michigan
    Posts
    17,598
    Low on gas, restricted exp. valve, restricted drier, low ambient temp. causing low head pressure...
    "The road to Hell is paved with progressive policies."

  5. #5
    Join Date
    Jul 2001
    Posts
    3,112
    gage out of adjustment

  6. #6
    weak compressor valves....

  7. #7
    Join Date
    Oct 2005
    Location
    Georgia
    Posts
    5
    What is your head pressure and outside temperature?

  8. #8
    Join Date
    Feb 2005
    Location
    Dothan, Al
    Posts
    3,453

    blikmik

    As simply as I can put it.
    a) low refrigerant flow into evaporatot.
    1) low refrigerant level
    2) restriction causing low refrigerant flow

    b) low air flow
    1) filter stopped up
    2) indoor coil stopped up
    3) Blower motor not running ( or not running at
    correct speed )
    4) Can't pull enough return air ( ductwork )
    5) can't push enough supply air ( ductwork )
    6) Return air bypasssing coil

    c) low indoor ambient temp:
    may also be helped by low outdoor ambient at same
    time.

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