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  1. #1
    Join Date
    Jan 2011
    Posts
    150
    Post Likes

    Freezer upright will not reach temp,high superheat

    Have a 3 door upright victory giving me fits, r-404, inside temp 85,box 65 deg, pressures 16 and 340, superheat 100, cap tube system, system goes to 16 with warm box, high side was blowing off on internal relief, recovered a little gas
    No model on unit anywhere, do not know how much refrigerant suppose to be in it
    Have 12 oz in system,condenser clean,amp draw full load, new compressor,
    Thinking I have moisture or cap tube pug

  2. #2
    Join Date
    Jan 2010
    Location
    Vancouver Island
    Posts
    555
    Post Likes
    Sounds like plugged dryer or cap tube.

    Sent from my SGH-I747M using Tapatalk 2

  3. #3
    Join Date
    Oct 2004
    Location
    Central WA
    Posts
    1,820
    Post Likes
    Check for the nameplate inside the freezer, top left of the box near the front. Likely a plugged cap tube, probably killed the original compressor, and whoever replaced it overcharged to compensate. These are an easy conversion to txv.

  4. #4
    Join Date
    Mar 2013
    Location
    swan valley idaho
    Posts
    732
    Post Likes
    340 head is to high. Clean coil well, check sub cooling. If you are restricted subcool will be high

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