HVAC Mechanic

Summary / General Description Of Job :

The HVAC / R Mechanic installs, services and repairs heating and air conditioning systems in various establishments.

Essential Duties & Job Functions :

Installs, services and repairs environmental‑control systems in residences, laboratory spaces, living quarters, galleys, office buildings and commercial establishments, utilizing knowledge of refrigeration theory, pipefitting and structural layout.

Mounts compressor and condenser units on platform or floor, using hand tools, following blueprints or engineering specifications.

Fabricates, assembles and installs ductwork and chassis parts, using portable metalworking tools and welding equipment.

Installs evaporator unit in chassis or in airduct system, using hand tools.

Cuts and bends tubing to correct length and shape, using cutting and bending equipment and tools.

Cuts and threads pipes, using machine‑threading or hand‑threading equipment.

Joins tubing or pipes to various refrigerating units by means of sleeves, couplings or unions, and solders joints, using torch, forming complete circuit for refrigerant.

Installs expansion and discharge valves in circuit.

Connects motors, compressors, temperature control panels and connects control panels to power source.

Installs air and water filters in completed installation.

Injects small amount of refrigerant into compressor to test systems and adds refrigerant gas to build up prescribed operating pressure.

Observes pressure and vacuum gauges and adjusts controls to insure proper operation.

Starts units and adjusts for proper cut-in and cut-out of refrigeration, air conditioning, humidifiers, heaters, air cleaners, and circulating pumps.

Adjusts systems for optimum performance.

Operates, maintains, troubleshoots, and repairs refrigeration, air conditioning, gas and hydronic heating, DDS systems through periodic maintenance checking, and from trouble desk reports.

Tests joints and connections for gas leaks, using gauges or electronic detection.

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 hand tools and test equipment.

May install, repair and service air conditioners, ranging from one quarter to three hundred- and eighty-five-tons cooling capacity, in large and small buildings.

Performs other related duties as assigned

May perform work in other classifications when incidental work is necessary to the accomplishment of the work assignment.  Significant work in another job classification may be required if accompanied by any wage adjustments applicable.

Accountable For :

• The proper use of tools and equipment commonly used in the HVAC field.
• Completing all mandated training requirements per government and management directives.
• Timely and cost-effective performance of duties.
• Timely completion and accuracy of all departmental work.
• Dealing with a variety of people in a professional, courteous manner in diversified situations.
• Adherence to established company safety policies and good industrial and office safety practices.
• Compliance with company Standard Operating Procedures and Personnel policies and procedures.
• Having the ability to work well under pressure.