The degree of super heat is the difference between the refrigerants evaporating temperature and the temperature of the vapor at the __________ inlet.

The degree of superheat is determined by the difference between the refrigerant's evaporating temperature and the temperature of the vapor at the compressor inlet. This concept is crucial in refrigeration and air conditioning systems, as it allows for an understanding of how much heat has been added to the refrigerant vapor after it has completely evaporated in the evaporator.

Superheating is necessary to ensure that the refrigerant enters the compressor in a gaseous state, preventing liquid refrigerant from damaging the compressor components. By measuring the temperature of the vapor at the compressor inlet and comparing it to the evaporating temperature, technicians can assess the system's performance and operational efficiency.

Understanding the superheat degree helps in diagnosing potential issues such as low refrigerant charge, improper airflow, or malfunctioning expansion valves, thereby maintaining the overall health of the refrigeration system.