Type: Posts; User: HVACR_CA
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I'm a student in a refrigeration/ac/water technology program. Last week, we were working on a unit for a walk-in freezer (uses 402a). The pressure at the discharge line was 205...
First of all, is it possible to have negative subcooling (ie liquid line temp is greater than temp of condensation)? Second, what could cause this to happen?
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