at Yuma County in Yuma, Arizona, United States
Job Description
Job Summary
This position is advertised from the minimum to the mid-point hourly rate. Salary will be determined based on education and experience at the time of offer. NATURE OF WORK
Under general supervision, performs work of moderate difficulty in skilled HVAC maintenance and repair work; this position has department specific responsibility.
Nature of Work
(Illustrative Only) Installs, operates, monitors, inspects, maintains, and repairs, heating, ventilation, air conditioning and refrigeration systems throughout all County facilities; systems include state-of-the-art electric, diesel, and natural gas, general and special purpose air conditioning systems, refrigerators, and freezers; checks and monitors heating, ventilation, refrigeration, and air conditioning systems to ensure systems and controls are operating properly; reads and calibrates gauges, computerized Digital Control Systems (DCS), thermostats, and thermometers; checks expansion coils for excessive ice formation, listens for unusual noises; checks oil and refrigerant level in systems and checks piping and fittings for refrigerant leaks; checks air filters for cleanliness, check operation of fans, dampers, louvers, and controls of air movement; tests and treats water in closed heating and cooling systems and water cooled condensers to control deposits of solids and algae; conducts periodic and routine inspections of public building HVAC systems, exhaust fans and similar equipment, control systems and units. Installs, maintains, replaces and adjusts compressors, pumps, blowers, fans, copper tubing, heat exchange equipment, various types of valves, filters, and driers, pressure control devices, and temperature, humidity, and air control devices; reviews work orders, identifies material and equipment needs for each assigned project, troubleshoots repair and maintenance issues, and resolves problems; makes emergency service calls after normal business hours; regular and reliable attendance is required; performs other duties as assigned.
Work Environment: The usual and customary methods of performing the job’s functions require the following physical demands: lifting, carrying, pushing, and/or pulling; stooping, kneeling, crouching, and/or crawling. Generally the job requires 30% bending, 20% walking, 20% stooping and 30% standing. The job is performed under varying extreme weather conditions and may have risk of exposure to communicable diseases.
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