DEM137 — Heating, Air Conditioning, and Refrigeration Systems
DEM 137 - Heating, Air Conditioning, and Refrigeration Systems DEM 137 - Heating, Air Conditioning, and Refrigeration Systems 3 Hours This course provides instruction in fundamentals, diagnosis, and repair of cab and cargo heating and refrigeration systems. Topics include operation theory, safety, maintenance, recycling and recovery procedures, recharging procedures, troubleshooting procedures, refrigerant leaks, and system repairs.