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  1. #1
    Join Date
    May 2002
    Location
    evansville indiana
    Posts
    943

    Carrier 30 HXC failed discharge check valves

    For your enjoyment...





    I don't like it ....at all....
    mikeacman

  2. #2
    Join Date
    May 2002
    Location
    evansville indiana
    Posts
    943
    Found this awhile back ,parts on backorder...
    mikeacman

  3. #3
    Join Date
    Aug 2006
    Location
    Ohio
    Posts
    2,077
    Ahhh yes... The tornado siren song of a failed check or solenoid valve.

    I have a Dunham Bush that has a liquid line solenoid stuck open, does it on every off cycle and still going strong after 5yrs. The compressor is starting to get a vibration from the screws running backwards I am assuming. The customer is very aware of the consequences but refuses to fix it.

  4. #4
    Join Date
    Sep 2004
    Location
    Kansas City, Kansas, United States
    Posts
    13,833
    Lmao

  5. #5
    Join Date
    May 2002
    Location
    evansville indiana
    Posts
    943
    Quote Originally Posted by zw17 View Post
    . The customer is very aware of the consequences but refuses to fix it.
    I wonder how he will react when it scrambles.
    mikeacman

  6. #6
    Join Date
    Jul 2012
    Location
    Western KY
    Posts
    1,221
    Awsome.

  7. #7
    Join Date
    Jan 2009
    Location
    Not in Iran
    Posts
    1,107
    I have changed check valves on Trane screw compressors before, , remove the discharge line,. Remove valve and install new, not sure if the carrier is the same, ,. Really wasn't a difficult repair,. But like I said not sure abot the carrier,.

  8. #8
    Join Date
    Sep 2012
    Location
    Auckland , South Pacific.
    Posts
    5
    Watched an open drive Stal screw do the same thing, overspeed drive motor backwards so fast the cooling fan disintergated and destroyed a 185 Kw motor, very expensive repair.

  9. #9
    Join Date
    Jan 2008
    Location
    Dallas ,Texas
    Posts
    3,724
    Quote Originally Posted by milkyway View Post
    I have changed check valves on Trane screw compressors before, , remove the discharge line,. Remove valve and install new, not sure if the carrier is the same, ,. Really wasn't a difficult repair,. But like I said not sure abot the carrier,.

    It's not too bad it's when you get in there and see how it made and you say how can it fail.

  10. #10
    Join Date
    Jan 2009
    Location
    Not in Iran
    Posts
    1,107
    Dallas, haven't seen one but check this out,

    http://hvac-talk.com/vbb/showthread....AA+check+valve
    no signature blast'em man blast'em
    !!!KILL THE TERRORIST!!!

  11. #11
    Join Date
    Aug 2002
    Location
    Greenville SC
    Posts
    434
    I've changed out a couple of those. The funny thing is I never see anything wrong with the devective valve. But when I change it out, no more back flow. The good news is they are easy to change.

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