Job Summary / Basic Function:
Under general supervision, performs basic and advanced, commercial/industrial, duties associated with the Heating, Ventilation and Air Conditioning (HV AC) trade in accordance with established techniques and procedures.
Essential Functions and Percent of Time:
Performs duties associated with the installation, maintenance and operation of heating units, air conditioners, boilers, refrigeration equipment, chillers and all related or auxiliary equipment, controls and gauges. 20%
Installs, maintains and operates components and equipment such as compressors, condensers, centrifugal refrigeration machines, heat pumps, evaporators, fans, pumps, tubing, valves, ducts, and mechanical, pneumatic, electronic and electrical controls of environmental heating and cooling systems. Troubleshoots and assesses mechanical problems/deficiencies to determine and complete necessary repairs and/or replacements to maximize system efficiencies. Reviews-scope of mechanical repairs and modifications needed after testing and troubleshooting refrigeration, air conditioning, heating, ventilation and related control systems and equipment, then completes the repairs. 15%
Checks installed equipment safety devices for operation. Inspects, calibrates and repairs controls and gauges. 10%
Installs mechanical, pneumatic, electronic and sensing switching devices designed to control space temperature, and assesses if devices are operating properly. Adjusts thermostats, manual and automatic valves and mechanical linkage to maintain maximum system efficiency. 15%
Operates various measuring and testing instruments. 10%
Performs preventive maintenance on system components for detection of scale and corrosion. Disassembles, cleans and reassembles moisture, oil and sedimentation traps, filters and strainer assemblies. Removes and replaces cartridge and filter elements. 15%
Performs periodic inspections of installed equipment, accessories and components to assure safety and proper assembly of installed equipment and serviceable conditions. Initiates corrective action when discrepancies are discovered and complies with technical procedures and codes. 5%
Checks, adjusts and maintains heating coils in air handling systems including auxiliary equipment in the piping systems connected to these coils. 5%
Keeps logs and records, and completes reports. Takes gauge and thermometer readings. 5%
Conditions may require walking, stooping, pushing, pulling, heavy lifting (less than or equal to 65 pounds), high climbing, bending, working in awkward positions handling equipment and materials. Exposure to toxic gas, chemicals, high pressure gases, dangerous machinery, fumes and contact with insulation, dust particles and asbestos, and danger of electrical shock may exist. There may be frequent exposure to extreme temperatures and/or weather conditions. Any combination of overtime, shift-work, weekend and holiday work may be required. This position is designated as essential and the employee is required to provide a means to be contacted during non-duty hours for emergencies. Employees will be required to wear protective clothing and/or respiratory equipment when conditions warrant. Note: If a respirator is required for duties specific to this job, an annual respirator fit test and physical examination will be required.
This is an on call position, with the possibility of full time employment.