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 ...

The compressor lubricant in refrigeration and air conditioning systems has many important functions. Even though the refrigerant is the working fluid required for cooling, the lubricant or oil is ...

A hermetic refrigerant motor compressor consists of a compressor and motor, both of which must be enclosed in _____ _____ _____, with no external shaft or shaft seals, with the motor operating in the ...