This is skilled work at the journey level in the installation, operation, maintenance, and repair of refrigeration and/or heating, ventilation and air-conditioning (HVAC) systems, units, equipment, and peripheral devices throughout Commonwealth University Bloomsburg Campus.  

An employee in this job installs, services, and repairs refrigeration and/or HVAC systems, units, equipment, and peripheral devices. Work includes responding to service calls; locating and diagnosing malfunctions; performing maintenance and repair; responding to emergencies by going onsite and troubleshooting a variety of problems; and disassembling, repairing, adjusting or replacing condensers, thermostats, diffusers, humidistats, pumps, compressors, belts, pulleys and related equipment. Work also includes accessing automated systems via a computer; monitoring temperatures, humidity levels and other data; making adjustments on-line or in person; monitoring adjustments to ensure desired results; and conducting building inspections to ensure adequate heating, cooling, humidifying, dehumidifying, and circulation in buildings. Work is carried out under the guidelines of federal, state and local laws and regulations pertaining to refrigeration and/or HVAC operations and maintenance, and established trade practices. Work is performed under the supervision of a maintenance, environmental control, or trades supervisor, and is reviewed through inspections, meetings, reports, and customer satisfaction.

This position is considered an essential personnel position.

Description of Duties

• Install, service and repair various cooling/chilling equipment including the electrical aspect of the above mentioned equipment in terms of installing new products, materials and the repair and diagnostic work of existing equipment. Trouble shoot, repair, service and maintain all types of refrigeration, air conditioning, cooling tower equipment, including steam absorption and associated equipment.
• Repair faulty wiring, detect and repair or replace solenoid and thermostat valves, locate and repair refrigerant and oil leaks, recharge refrigeration systems, replace motors, replace fan belts, replace filter dryers and suction line dryers, and clean and replace air filters.
• Order necessary materials in a timely manner to insure completion of work on schedule. Inform supervisor of work status; work accomplished and work to be done. Inform supervisor of supplies and materials required.
• Inspect refrigeration equipment in various locations; check temperatures, correct oil levels, water temperature and flow, air flow, refrigerant pressures and temperatures, water pressure, refrigerant and oil leaks, and inspect fan belts, blades, and electric motors.
• Install new air conditioning and refrigerant equipment; size, layout, assemble and place into operation; install copper tubing, by cutting, fitting, and soldering.
• Perform necessary electrical work related to air conditioning and refrigeration equipment, including wiring, installation of relays, capacitors, high and low pressure safety devices, overload switches, time controls, etc.
• Perform unit leak tests on equipment, evacuate systems, place charge, and use test gauge to obtain and record proper pressures.
• Input and maintain computerized records of refrigerant usage and inventory on hand in accordance with federal Environmental Protection Agency (EPA) rules and regulations.
• Load, haul, and unload refrigeration equipment and materials.
• Remove trash and debris and clean areas where work has taken place.
• Perform all work in a responsible manner to insure the use of only a minimum amount of materials while maintaining high quality of workmanship.
• Perform all work in an orderly manner with a minimum of disruption to University activities assembling all materials and tools necessary prior to starting work.
• Respond to refrigeration and/or HVAC needs in University bu ldings.
• Observe all safety rules.
• Clean water cooling towers, tubes of chillers, condensers, evaporative and condensing coils and ice machines in accordance with manufacturer recommendations, using accepted cleaners. Become familiar with industry accepted water chemistry testing procedures.
• Access, monitor, and make adjustments to automated refrigeration and/or HVAC systems via computer or by going on site.
• Install, service and maintain all equipment used in kitchen cooking operations.
• Perform on-going and preventive maintenance, prepares reports of activities.

• Attend meetings and instructional sessions when requested or scheduled.