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  1. #1
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    Foster upright freezer



    Can anyone tell me what the suction pressure should be on a freezer running on R404a with a capillary evaporator with fan?



  2. #2
    Join Date
    Sep 2009
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    Iran
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    Re: Foster upright freezer

    Hi
    it is not hard
    room temp. - 6 k = your evaporator and suction temp.
    from chart you can find your suction pressure
    Last edited by mbc; 28-11-2017 at 06:42 PM.

  3. #3
    Join Date
    Dec 2010
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    devon
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    Re: Foster upright freezer

    Not on a foster they run low suction pressure and suffer from cap blockages after blocked condensors
    They will barely stay on a positive pressure when near setpoint

  4. #4
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    Re: Foster upright freezer

    Ok. Thank you.

  5. #5
    Join Date
    May 2012
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    Re: Foster upright freezer

    .

    404a on a freezer is about 1 barg.
    Give or take a smidgin for unknown variables.

    Rob

    .
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