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Thread: operation pressure
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12-07-2010, 04:04 PM #1
operation pressure
Dear alls,
I would like to know how to determine the operation pressure (Low/High pressure) of a refrigeration cycle using R22 or R134a.
At my company, we control LP/HP of air-conditioner using R22 at: 4~4.2/18~20kgf/cm2. in near future, we will change R22 to R134s, so how to control the LP/HP of refrigeration cycle? Pls help me!
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