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Thread: charge problem

  1. 23-02-2009, 08:04 PM #1
    sday's Avatar
    sday Guest

    charge problem



    When I charge R404 to a freezer system about 10.0 oz, the suction pressure is only 7psi. However, when I vacuum it and charge 9.5 oz first, then charge 0.5 oz, the suction become 15psi. Does anyone know the reason? I use a electronic scale. Thanks.


  2. 23-02-2009, 08:54 PM #2
    frank's Avatar
    frank
    frank is offline Super Moderator
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    Re: charge problem

    Hi sday

    welcome to the forum

    from your first post it would appear that you don't understand refrigeration? is this so?

    Your profile states 'engineer' - what subject?
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