"HEATING-AND-AIR-CONDITIONING INSTALLER-SERVICER"
Job Description and Jobs
Job Description:
- 1) Installs, services, and repairs environmental control systems in residences, department stores, office buildings, and commercial establishments, utilizing knowledge of refrigeration theory, pipefitting, and structural layout: Mounts compressor and condenser units on platform or floor, using handtools, following blueprints or engineering specifications.
- 2) Fabricates, assembles, and installs ductwork and chassis parts, using portable metalworking tools and welding equipment.
- 3) Installs air and water filters in completed installation.
- 4) Injects small amount of refrigerant into compressor to test systems, and adds freon gas to build up prescribed operating pressure.
- 5) Observes pressure and vacuum gauges and adjusts controls to ensure efficient operation.
- 6) Tests joints and connections for gas leaks, using gauges or soap-and-water solution.
- 7) Wraps pipes in insulation batting and secures them in place with cement or wire bands.
- 8) Replaces defective breaker controls, thermostats, switches, fuses, and electrical wiring to repair installed units, using electrician's handtools and test equipment.
- 9) May install, repair, and service air-conditioners, ranging from fifteen to twenty tons cooling capacity, in warehouses and factory buildings and be designated Air-Conditioning Mechanic, Industrial.
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