DST 115 - Diesel HVAC Systems

5.00 credits

This course provides the basic theory and operating characteristics of heavy-duty diesel refrigeration systems required for successful completion of ASE area T7 Med/Hvy Truck: Heating and Air Conditioning and the 609 Federal Refrigeration Test. Instructional focus includes: safety precautions, environmental concerns, tooling, system identification, principles of refrigeration, states of matter, effects of pressure on gases and vapors, pressure-temperature relationships, basic refrigeration cycle, refrigerant types, refrigeration system components and cooling system components. Laboratory work includes proper handling of refrigerants, troubleshooting and basic servicing of these systems utilizing strategy-based diagnostics required for contemporary service of heavy-duty diesel HVAC systems. Corequisite: Verifiable registration/attempted testing of ASE area T7 Med/Hvy Truck: Heating and Air Conditioning. Corequisite: Successful completion of Federal Refrigeration Test is mandatory.