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  1. #1
    Join Date
    Nov 2003
    Location
    Ohio
    Posts
    114

    Is it normal or not?

    Got a call to a store that had ice reported on their suction line on the roof. there was some ice on the suction line but ended at the service valve on a discus compressor. Talked to another tech about it and he said some say this is normal and some say it's floodback. Your running a 3 door reach in / walking in Freezer and it has to run a lot because it's getting stocks and shopped all the time. I haven't checked superheat yet and I'm going to but, just on the info here who thinks this is normal?
    It's a Leak!

  2. #2
    Join Date
    Feb 2007
    Location
    Sulphur La.
    Posts
    179
    It could be ok and normal. Lets say you are maintaining -20f SST and have the recomended minimum 20f superheat at the service valve of your compressor. That's a 0f suction line, well below the freezing point of H2O.

  3. #3
    Join Date
    Apr 2003
    Location
    Maple Grove, MN
    Posts
    1,139
    Check your superheat at those compressors and then sell them some new Armaflex.

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