The core of a refrigeration system is the compressor, which is designed to pump cool refrigerant gas from the evaporator into the condenser. To accomplish this task the compressor raises the ...

This training package provides a basic foundation for learning how to troubleshoot HVACR refrigeration and air flow systems. Designed for HVACR students, apprentices and technicians new to the craft, ...

One of the great inventions of our time — in terms of its social impact and influence on the health care and food preservation industries — refrigeration equipment is everywhere, from hotels, ...