There are two certificates for central air conditioning, one is the refrigeration work permit, which needs to be registered in higher vocational colleges or secondary schools with refrigeration major. Another is that the operation of large-scale central air conditioning requires a pressure vessel operation certificate, and it is necessary to register for the examination at the local county-level quality supervision bureau.

Special operations personnel shall meet the following conditions:

(a) at least 65438 08 years of age, and not more than the national statutory retirement age;

(2) Having passed the physical examination in the community or medical institution at or above the county level, and having no diseases and physical defects such as organic heart disease, epilepsy, Meniere's disease, dizziness, hysteria, paralysis agitans, psychosis, dementia, etc. that hinder the corresponding special operations;

(3) Having a junior high school education or above;

(four) have the necessary knowledge and skills of safety technology;

(five) other conditions stipulated in the corresponding special operations.

Related knowledge:

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.

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