Job Summary: Installs and makes repairs to large air-conditioning and refrigeration systems.
Duties and Responsibilities: Diagnoses and locates malfunctions; disassembles, repairs, replaces, and/or adjusts thermostats, pressure stats, humidistats, relays, switches, and other automatic control devices; disassembles and repairs compressors and related components; services and repairs evaporators, condensers, and receivers; repacks valves; replaces electric motors, belts, and pulleys; lubricates moving parts; replaces and/or cleans filters; bleeds systems and replaces refrigerants; tests for leaks and for excessive load conditions; and reconditions, modifies, and fabricates parts.
- Performs the full range of work involved in the installation, repair, overhaul, maintenance, and servicing of industrial and domestic reach-in and walk-in refrigerators; installs split HVAC systems, walk-in refrigerator and freezer prefabricated boxes, cold storage and cold room equipment, freezers, water coolers, dehumidifiers, air-conditioning units and systems, and related equipment.
PHYSICAL EFFORT: Frequently carries and sets up parts and equipment that weigh up to 50 pounds. Hoists, holders, and pulleys are operated when removing units such as large compressors, condensers, and chillers. Makes repairs and installations from ladders, scaffolding, and platforms where parts of systems worked on are frequently in hard-to-reach places. Stoops, stretches, bends, and kneels for long periods of time.
WORKING CONDITIONS: Work is performed inside and occasionally outside, frequently in cramped and awkward positions. Work is frequently dirty and greasy. Variable temperatures occur when working in cold storage rooms. Is subject to possible injuries such as cuts, bruises, burns, and electrical shock.
- Performs other related duties as assigned.
GENERAL EXPERIENCE One year of experience that provided the knowledge and ability to perform a full range of duties in connection with the installation and repair of air-conditioning and refrigeration systems.
SUBSTITUTION OF EDUCATION FOR EXPERIENCE One year of high school education may be substituted for three months of general experience, up to a high school diploma or GED for one year of general experience.
SPECIALIZED EXPERIENCE Five years of experience that provided the knowledge and ability to perform a full range of work involved in the installation, repair, overhaul, maintenance, and servicing of industrial and domestic reach-in and walk-in refrigerators; installing split HVAC systems, walk-in refrigerator and freezer prefabricated boxes, cold storage and cold room equipment, freezers, water coolers, dehumidifiers, air-conditioning units and systems, and related equipment; and current Universal Technician Certification.