The occupancy of central air conditioning is divided into five levels, namely, central air conditioning (level 5), central air conditioning (level 4), central air conditioning (level 3), central air conditioning (level 2) and central air conditioning (1 level).

Central air conditioning, mechanical engineering specialty type, applies central air conditioning system for refrigeration, heating and ventilation operation; Adjust air temperature, humidity, cleanliness and wind speed; Judge and eliminate faults in the system; Carry out daily maintenance, maintenance and management; People who deal with emergencies.

Extended data

Professional level training mainly includes the following modules:

1, electricity for refrigeration and air conditioning

Through training, students can master the basic knowledge of DC, AC, electronics, low-voltage appliances and safe electricity use, understand the principle of refrigeration electricity use, use common electrical instruments and refrigeration low-voltage electrical components, detect common electrical components and common refrigeration motors, and understand the correct connection methods of common basic control circuits for refrigeration.

2. Refrigeration and air conditioning equipment

Through practical training, students can master the structure, air treatment process and working principle of piston refrigeration compressor, refrigeration and air conditioning heat exchanger and system auxiliary equipment; Able to disassemble and assemble refrigeration compressor, correctly select tools (fitter tools, fitter measuring tools) and various instruments, correctly disassemble and assemble parts names and functions according to instructions, and correctly record them;

Be able to identify and maintain refrigeration and air conditioning equipment, master the operation method of equipment, and fill in the name and function of parts correctly.

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