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Thread: Cap tube

  1. #1
    Join Date
    Jan 2011
    Posts
    135

    Cap tube

    I have a 3 door upright victory freezer that blew the valves on the compressor, the guy bought it used from another place, had to replace the condenser fan blade and motor previously, there is only 18 in of room above it, and the area is very warm, bout 95 up there. I put new compressor in, reading 116 and-20 deg saturation temps for r-404a, what should the cap tube superheat be, i thought it was 6 deg, going back to see if unit is cooling down, box was very humid and hot from sitting few days. System has double cap tube, and condenser is definitely moving heat off now, compressor sounds good. I am going to try and put a fan up top to blow air around, any other suggestions?

  2. #2
    Join Date
    Jan 2010
    Posts
    6,209
    Did you weigh in the correct charge ?

  3. #3
    Join Date
    Jan 2011
    Posts
    135
    there is no nameplate, forgot to tell you, have to shoot in the dark, can't even find the model number of the unit to call victory, where is it ususally located, I put in about 11 oz to start till i got discharge up high enough

  4. #4
    Join Date
    Jan 2010
    Posts
    6,209
    Inside left wall of box. Sometimes there is a parts list on the evaporator cover. Call Victory tech support, maybe they can help you.

  5. #5
    Join Date
    Mar 2013
    Location
    swan valley idaho
    Posts
    727
    i wish i had 95. i worked on one last week that measured 115 ambient up by coil.it was an older 2 door upright and took 18 oz freon.
    sh-10 at coil 20-30 at compressor would be ideal.

  6. #6
    Join Date
    May 2008
    Location
    Kansas
    Posts
    35
    zuke,

    6 degrees superheat should be fine after it is pulled down. If you had 6 with a hot box, you're probably overcharged now. I wouldn't worry about the 95, that's not uncommon in a hot kitchen.

    Mike

  7. #7
    Join Date
    Jan 2011
    Posts
    135
    Quote Originally Posted by mikeweber3 View Post
    zuke,

    6 degrees superheat should be fine after it is pulled down. If you had 6 with a hot box, you're probably overcharged now. I wouldn't worry about the 95, that's not uncommon in a hot kitchen.

    Mike
    did u read that right, I had 100 plus, I got rid of the cap tube and went to txv, problem solved, they should take those cap tubes and shove them up u know where

  8. #8
    Join Date
    Jan 2011
    Posts
    135
    that is alot, did it have a receiver

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