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Thread: CGAF evap

  1. #1
    Join Date
    Oct 2003
    Location
    tidewater, va
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    2,145

    CGAF evap

    What are you guys cleaning the plate frame heat exchangers (evaps) in the newer CGAFs with?

    r404a

  2. #2
    Join Date
    Jul 2001
    Location
    maryland
    Posts
    1,355
    Sulfamic Acid AKA orange juice
    Saving the world...one service call at a time.

  3. #3
    Join Date
    Feb 2006
    Location
    SouthEastern Virginia
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    1,076
    Minute Maid or Donald Duck?
    It might get loud!

  4. #4
    Join Date
    Jan 2005
    Location
    Houston TX
    Posts
    876

    Flushing the toil....evaporator I mean

    R-404a- Not sure if that one has a strainer in the internal piping before the plate heat-x like Carriers, but if it does I remove it and clean it, then I reverse flush out the the heat exchanger and watch what comes out. Those flat plate heat-x's on both Carrier and Tranes are real catch-alls and will freeze up quickly if not maintained and flushed out regularly- GEO
    Once in a while everything falls into place and I am able to move forward, most of the time it just falls all over the place and I can't go anywhere-GEO

  5. #5
    Join Date
    Dec 2008
    Location
    Dixiana, AL
    Posts
    2,611
    RydLyme works well.

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