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  1. #1
    Join Date
    Aug 2014
    Posts
    154
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    everest undercounter unit frost issue

    hello techs, checked out a (2)Everest undercounter refrigeration units after analyzing operations & manually checking DT,I charged both units to 15psi R134a, kept 20-22°SH for 1st unit but getting frosted suction line know,for 2nd unit 10-12°SH not much frost on suction, I was able to lower temp inside box to everage 35° with doors opening & closing, i would like to know why I was getting frosted suction lines,any suggestions would help, I will attach pictures.thanks

  2. #2
    Join Date
    Aug 2002
    Location
    Southold, NY
    Posts
    17,750
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    Remove some charge, the frost will back off

  3. #3
    Join Date
    Aug 2014
    Posts
    154
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    Thread Starter
    pecmsgam appreciate your help on other posts as well.Am not at the place know, if left that way i dont think it would cause issues cause my compressor amps was below rated.once I go back I will correct.thanks

  4. #4
    Join Date
    Aug 2002
    Location
    Southold, NY
    Posts
    17,750
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    Quote Originally Posted by nytech28 View Post
    pecmsgam appreciate your help on other posts as well.Am not at the place know, if left that way i dont think it would cause issues cause my compressor amps was below rated.once I go back I will correct.thanks
    The only time you want a accurate amp reading is when comparing to a performance chart.
    Evap and condensing temperature decide amperage!

  5. #5
    Join Date
    May 2016
    Location
    Southern California
    Posts
    6
    Post Likes
    Those suction lines insulated? Sure it's not undercharged?

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