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Thread: Sub cooled r22 still flashing?
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28-02-2013, 10:29 AM #1
Sub cooled r22 still flashing?
Hey all,
I have a commercial system running on r22 low temp ( -32 c sst ) . The liquid line at the sight glass is sub cooled by 8 degrees C. The sight glass still shows as if it's short of refrigerant, full of bubbles. The sight glass is on a vertical pipe . As the liquid line is subcooled why would it show to be short?The more I learn the less I know......