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  1. #1
    Join Date
    Jul 2009
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    new york
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    Traulsen prep fridge

    That few days temps have been hovering around 56 degrees and I see frost is on the outlet of the TXV. TXV is frozen right after inlet. What would cause this?

  2. #2
    Join Date
    Jan 2010
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    Where's this fridge located ? Ambient speaking.

  3. #3
    Join Date
    Jul 2009
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    Thread Starter
    Quote Originally Posted by VTP99 View Post
    Where's this fridge located ? Ambient speaking.
    73 degrees. I vaccumned and pushed nitrogen through system and weighed in 16oz of 134a and still 56 degrees is where it sits with frost on outlet of txv heading to evap

  4. #4
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    Jan 2010
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    Well you shouldn't have to open the valve but if the power element is losing charge you'll have to do that to by time. What is the superheat ?

  5. #5
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    Thread Starter
    Quote Originally Posted by VTP99 View Post
    Well you shouldn't have to open the valve but if the power element is losing charge you'll have to do that to by time. What is the superheat ?
    The super heat is 13

  6. #6
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    Jan 2010
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    It's R134a right ? Suction pressure should be around 15 psig.

  7. #7
    Join Date
    Aug 2002
    Location
    Southold, NY
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    Mod # would be nice?

    Grab the bulb and see if the suction goes up.

  8. #8
    Join Date
    Aug 2002
    Location
    Southold, NY
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    Better yet
    Pull the drier and valve, install a small receiver, new drier & SG and valve.
    Recharge to clear glass and be done!

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