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  1. #1
    what happens when you front seat the discharge service valve on a compressor while it is running?

  2. #2
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,721
    bad stuff

  3. #3
    The head pressure will go through the roof and more than likely, the compressor will trip on the O/L. You can front seat the king valve to pump the refrigerant into the reciever, but with a discharge valve the refrigerant doesn't have anywhere to go and it could hurt you and/or the compreswsor so don't do it.

  4. #4
    Join Date
    Apr 2004
    Posts
    7,680
    Are you sure you mean discharge or did you mean liquid. There's a huge difference in what happens.

  5. #5
    Join Date
    Jul 2001
    Location
    Gold Coast of Connecticut
    Posts
    4,578
    Most compressors equiped with a discharge service valve have a H.P. controll. If it is a tin can is probabley has an internal pressure relief.
    Aire Serv of SW Connecticut- Gas heat, dual fuel and central a/c systems installed and serviced

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