| Job Title |
Heating-and-air-conditioning Installer-servicer |
| Job Description |
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. Fabricates,
Assembles, And Installs Ductwork And Chassis Parts, Using
Portable Metalworking Tools And Welding Equipment [duct
Installer (construction; Mfd. Bldgs.) 869.664-014]. Installs
Evaporator Unit In Chassis Or In Air Duct System, Using
Handtools. Cuts And Bends Tubing To Correct Length And Shape,
Using Cutting And Bending Equipment And Tools. Cuts And Threads
Pipe, Using Machine-threading Or Hand-threading Equipment. Joins
Tubing Or Pipe To Various Refrigerating Units By Means Of
Sleeves, Couplings, Or Unions, And Solders Joints, Using Torch,
Forming Complete Circuit For Refrigerant [pipe Fitter
(construction) 862.281-018]. Installs Expansion And Discharge
Valves In Circuit. Connects Motors, Compressors, Temperature
Controls, Humidity Controls, And Circulating-ventilation Fans To
Control Panels And Connects Control Panels To Power Source
[electrician (construction) 824.261-010]. Installs Air And Water
Filters In Completed Installation. Injects Small Amount Of
Refrigerant Into Compressor To Test Systems, And Adds Freon Gas
To Build Up Prescribed Operating Pressure. Observes Pressure And
Vacuum Gauges And Adjusts Controls To Ensure Efficient
Operation. Tests Joints And Connections For Gas Leaks, Using
Gauges Or Soap-and-water Solution. Wraps Pipes In Insulation
Batting And Secures Them In Place With Cement Or Wire Bands.
Replaces Defective Breaker Controls, Thermostats, Switches,
Fuses, And Electrical Wiring To Repair Installed Units, Using
Electrician's Handtools And Test Equipment. 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 (any
Industry).
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