Refrigeration Repairperson (Licensed)

Refrigeration Repairperson (Licensed)

Provides highly skilled craft labor, working with tools to install, repair, replace and perform preventive maintenance for all types of refrigeration equipment.

Installs, repairs and maintains up to 400-500 ton capacity chillers, ice-making equipment, refrigerators, freezers, water cooling systems, window air conditioning units, DX-type free-standing air-conditioning units for computer rooms, kitchen equipment and refrigerated air dryers for environmental control systems.

Checks temperatures and fluid levels, and reads chilled water and condenser water temperatures. Checks p/h levels and conductivity of tower water for chillers and treats water to restore/ensure proper chemical balance. Maintains cooling towers, removing calcium deposits, algae, debris and other extraneous materials; inspecting and repairing the structural condition of towers; and cleaning and inspecting all related piping.

Monitors voltage readings for electrical centrifugal chiller systems; cleans and replaces coils; replaces compressors; and evacuates uncondensables from tubes and piping. Monitors the level of refrigerants in cooling/refrigeration systems, removes air from systems and charges systems with manufacturer's specified amount and type of refrigerant. Maintains, repairs and replaces expansion and control valves, and adjusts valves, controls and pumps to control levels of fluid, pressure and temperature in systems.

Assembles, installs, repairs, replaces and otherwise maintains motors, controls, switches, gauges, wiring harnesses, valves, pumps, compressors, condensers, cores and pipes. Performs additional duties as requested by supervisory personnel.

High school diploma or equivalent from an accredited institution. Completion of a registered apprenticeship program, or an established, certified training program recognized by the University, or written verification of a minimum of five (5) years experience at the journeyperson level in the trade. Possess, or obtain within 90 days of the date of hire a Michigan Mechanical Contractors License classification 4, 7 or 8 (only one needed) and an EPA 608 universal federal license. Possession of a valid Michigan driver's license. Ability to perform the essential functions of the job and use the tools of the trade. Ability to complete a physical examination administered by the employer's designated physician.

Western Michigan University