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  1. #1

    True Reachin Cooler Issue

    Hello people,

    Been at this for over 30 years but I have a reach in cooler thats driving me nuts. Tssu72 (true) compressor overheating. Replaced compressor and cap tube. Blew out condenser & evap. Unit still running with high head..... almost 300 psi back pressure 20 psi............ 134a refrigerant. any help would be appreciated

    Thanks

    Frank

  2. #2
    Join Date
    Feb 2010
    Location
    In a boiler room
    Posts
    7,159
    This is just the welcome area. If you click the red triangle in the top right of your post, a moderator will move it to the refrigeration forum.

  3. #3

    Stupid newbee here

    Thank you

  4. #4
    Join Date
    Feb 2010
    Location
    In a boiler room
    Posts
    7,159
    Quote Originally Posted by antiquepicker62 View Post
    Thank you
    You'll get more answers over there.

  5. #5
    Join Date
    May 2004
    Posts
    12,153

  6. #6
    thanks for your help

  7. #7
    Join Date
    Sep 2008
    Location
    Cedar Rapids, IA
    Posts
    486
    Quote Originally Posted by antiquepicker62 View Post
    Hello people,

    Been at this for over 30 years but I have a reach in cooler thats driving me nuts. Tssu72 (true) compressor overheating. Replaced compressor and cap tube. Blew out condenser & evap. Unit still running with high head..... almost 300 psi back pressure 20 psi............ 134a refrigerant. any help would be appreciated

    Thanks

    Frank
    Sounds like you have an obstructed cap tube. Could be a piece of debris got into it either before or after you installed it. Might be wrong size or too long as well. When the parts boys pick it out of a bin they sometimes grab the wrong one. I've had parts labeled in the bag correctly but obviously the wrong part.

  8. #8
    Join Date
    Dec 2011
    Location
    USA
    Posts
    66
    I would suspect the cap tube sizing or the amount of charge, because if it is 30 years old it would not have been manufactured with 134a.

  9. #9
    Join Date
    Feb 2007
    Location
    Fremont, Indiana
    Posts
    1,620
    Quote Originally Posted by mseng View Post
    I would suspect the cap tube sizing or the amount of charge, because if it is 30 years old it would not have been manufactured with 134a.
    Would like to think he meant 30yrs in the business, not 30 year old equipment.
    Has True been around for 30yrs?
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