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Thread: right pressure

  1. 18-04-2010, 01:25 AM #1
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    right pressure



    somebody can help me, im so compused what is the right pressure using 404a in a walk-in freezer.. to get atleast negative temp. reading


  2. 18-04-2010, 09:49 AM #2
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    Peter_1
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    Re: right pressure

    At a pressure corresponding to a negative temperature if you look on a logp/h chart of R404a
    It's better to keep your mouth shut and give the impression that you're stupid than to open it and remove all doubt.
  3. 18-04-2010, 10:03 AM #3
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    Re: right pressure

    http://www.refrigeration-engineer.co...es+meaningless
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