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16-02-2007, 10:59 PM #1
Is there a formula for setting the low pressure control for a pumpdown system?
I am looking for a specific way to set the control for a pumpdown system that would work with all refrigeratnts. I was once told to subtract 10psi from the observed pressure when the t-stat is satisfied for the cut out pressure. Then observe the pressure 30 seconds after the t-stat calls for the cut in. I'm not sure this is correct. Any feed back would certainly help. Ken