Air Conditioning/Refrigeration Mechanic - (Air Conditioning/Refrigeration Mechanic) - Facilities Services

Position Summary

Under general supervision, incumbents operate, maintain, repair and inspect heating, ventilating, air conditioning, refrigeration and water systems and equipment; test, adjust, and calibrate boiler and air conditioning machinery and mechanical, electrical, pneumatic, and/or microprocessor control instruments; test and chemically treat boiler, condenser, and cooling tower water and water from other systems; maintain, inspect, diagnose and make emergency repairs to steam, natural gas, water, refrigerant, compressed air and vacuum systems; regularly use features of building automation systems to diagnose and troubleshoot problems in the HVAC systems while optimizing energy usage; monitor building automation systems data and adjust system accordingly; respond to service requests to adjust air flow, temperature and humidity balances for individual rooms, building areas or buildings; maintain swimming pools; maintain logs of maintenance and repairs using manual and computerized recordkeeping systems; and may instruct and lead semi-skilled or unskilled assistants. Incumbents also repair and replace bearings, shafts, seals, rings and electrical wiring and install central system parts, gauges, valves and pipes which requires the application of journey-level skills in one or more of the applicable trades. Additionally, incumbents may rotate through various shift assignments at stations either in a central plant or in the utilities centers.

Position Information

Performs heating, ventilation, air conditioning (HVAC) and refrigeration preventive maintenance as following:

• Under limited supervision from the Chief Engineer and/or Supervising BSE, incumbents install, modify and adjust computer-based heating, ventilation and air conditioning equipment, refrigeration systems, chillers and cooling towers.
• Troubleshoot, designs and modify air condition and refrigeration systems.
• Repair and maintain individual hardware and software component of applicable systems; perform major and minor overhauls, which include disassembling and Inspecting of all parts.
• Diagnose and troubleshoot system problems and correct as necessary for optimizing energy use; will serve as the department specialist on air conditioning and refrigeration systems and train other on the troubleshooting, overhaul, repair, calibration, and testing these systems.
• Lubricates, cleans, prepares and paints mechanical system.
• Supports, maintains and assists to design of air conditioning systems, applicable to existing and new campus wide buildings.

Completes scheduled maintenance tasks of cleaning/replacing filters, calibration of controls and functional tests to ensure operation of equipment and repairs as following:

• Operates, maintains, repairs and inspects heating, ventilating air conditioning, refrigeration and water systems and equipment.
• Maintains, inspects, diagnose, and makes emergency repairs to air conditioning and refrigeration systems.
• Maintains logs of maintenance and repairs using manual and computerized recordkeeping systems.
• Instruct and leads semi-skilled or unskilled assistants.
• Repairs and replaces bearing, shafts, seals, rings, and electrical wiring and Install central system parts, gauges, valves, pipes which require the application of journey-level-skills in one or more go the applicable trades.
• Responds to service request to diagnose, adjust and repair systems for individual rooms, building areas or building in response to occupant or program needs.
• Adheres and follows the safety codes and regulations related to the installation and operation of refrigeration and air conditioning systems.
• Unlocks and secures facility areas to access equipment and items to be repaired and/ or maintained.
• Responds promptly to and assists with urgent needs in order to prevent Inquiry, damage or further incident.
• Maintains clean work areas, tools, equipment and associated structures.
• Follows safe work practices when performing work. Uses protective equipment, as required, for personal safety.

Other duties as assigned.

Minimum Qualifications

Knowledge: Work requires thorough knowledge of the theory and operation of major types of refrigeration and air conditioning equipment and of the materials, equipment and techniques used in the repair and maintenance of such equipment; and working knowledge of electrical voltage, plumbing refrigeration, electrical and plumbing codes, thermodynamics and automated energy/environmental management systems. Abilities: In addition to the abilities required of a Building Service Engineer, the Air Conditioning/Refrigeration Mechanic must be able to use judgment and discretion in determining the methods and priorities of work orders; perform skilled electrical and plumbing work; diagnose and repair major malfunctions in the complex multi-zone air conditioning systems; devise and control air distribution efficiently with maximum comfort; and diagnose and repair the full range of refrigeration equipment including centrifugal and absorber equipment and/or screw, scroll and reciprocating refrigeration equipment. Experience: These abilities normally would be acquired through progressively responsible experience in the installation, adjustment, maintenance and repair of commercial and domestic refrigeration and air conditioning systems involving modulatory and safety controls, thermostats, humidifiers and duct stats as well as one year of experience in the installation and repair of central multi-zone air conditioning systems. In addition, journey-level skill equivalent to that acquired through the completion of a refrigeration or air conditioning mechanic’s apprenticeship program is required. Special Requirements: Incumbents typically must possess certification in the use of refrigerants.

Preferred Qualifications

Achievement of journey-level skills acquired through completion of an applicable apprenticeship program.

Environmental/Physical/Special

Requires Universal Certification from the Environmental Protection Agency 40 in the use and disposal of compressed refrigerants. Must possess a valid non-restricted California Driver’s License; comply with the Defensive Driver’s Training program requirements if a vehicle is used on official business. Must be able to accommodate a work schedule that vanes according to operational needs and may include evening and weekend hours, or work on holiday. The person holding this position is considered a 'mandated reporter' under the California Child Abuse and Neglect Reporting Act and is required to comply with the requirements set forth in CSU Executive Order 1083 Revised July 21, 2017 as a condition of employment. Expected to wear distinctive clothing and safety shoes provided by the University at all times when in pay status. The times listed below represent averages, and can vary widely from day to day.

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