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  1. 16-10-2009, 01:34 AM #19
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    Magoo
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    Re: Oil Lifting Problem in NH3 screw compressor

    Are you using the Bitzer recommended oil in the mini-screw. From Memory Clauvis 68 or Mobil SHC 224 synthetic, the discharge is the real problem, oil at that temp will not separate in oil separator, either high suction super heat or oil cooler not working.
    Last edited by Magoo; 16-10-2009 at 01:48 AM. Reason: addition
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