Service technicians will often experience frost on a suction line or on the compressor in some refrigeration applications. Thinking that liquid refrigerant must be present because there is frost is a ...

Understanding refrigerant piping for air conditioners and heat pumps is easy. It is also necessary in order to perform service correctly, and perhaps to spot the service errors of others. Among other ...

Compressor surge occurs when flow is too low with respect to the change of pressure of the compressor or when ΔP is too high with respect to the flow. A decreasing flow coupled with an increasing ∆P, ...