Content/Objective
- Structure and operating principle of automotive A/C-systems
- Properties of the refrigerant R744 compared to R134a and R1234yf
- System analysis using the p, h-diagram
- Transcritical refrigeration cycle
- High pressure control for maximum efficiency
- Safe handling of R744
- Structure and operating principles of the main components of an automotive A/C-system
- Evaporator
- Condenser
- Expansion device
- Compressor
- Gas cooler
- Internal heat exchanger
- Accumulator
- Heat pump operation of the A/C-system
- Laboratory exercise on the operational behavior of a transcritical R744 automotive A/C-system under various operating conditions
Target group
Specialists, foremen, technicians and engineers specialized in mechanical, electrical or process engineering who will be employed in the future as (lateral) entrants in the field of automotive A/C-systems; specialists in the fields of design, production, quality assurance, application and testing of automotive A/C-systems operating with the refrigerant CO2 (R744)
Requirements
Knowledge of refrigeration technology is required (see PFBA or OFBA)