Air Conditioning Equipment Mechanic

You must meet all eligibility and qualifications requirements by the closing date of the job announcement. You must meet the following SCREEN-OUT(S) required for this position. For WG-10 Ability to perform journey level Air Conditioning Equipment Mechanic work without more than normal supervision. (Screen-out Factor) including: Locating and diagnosing problems in control systems following trouble calls or inspections; Dismantling, repairing, and reassembling units such as pumps, compressors, and chillers; Performing routine maintenance to commercial refrigeration, heating, ventilation, and air conditioning units and equipment; and Using building automation systems to maintain accurate records, document work performed, and update maintenance schedules. For WG-11 Ability to perform expert level Air Conditioning Equipment Mechanic work without more than normal supervision. (Screen-out Factor) including: Independently diagnosing and repairing commercial and industrial refrigeration and air conditioning units and systems; Modifying, altering, or substituting components and elements of the system in order to meet specified pressure-temperature characteristics; Using building automation systems to maintain accurate records, document work performed, and update maintenance schedules

Tour of Duty: Sunday through Thursday, 5:30 am to 2:00 pm As an Air Conditioning Equipment Mechanic, duties include: Running and sustaining air conditioning equipment throughout offices and other facilities requiring critical control of temperatures. Making all required mechanical connections in order to secure ventilation and exhaust fans for steadiness and cavitation-free functioning. Fusing chilled water or refrigerant lines to condensers, evaporators, compressors, and controls Evacuating, dehydrating and charging system with appropriate refrigerants. Checking for refrigerant leakages. Resetting controls essential to maintain desired temperatures, pressure, and humidity. Locating and diagnosing problems in control systems following trouble calls or inspections. Fabricating new and/or repairs parts such as hinges, flanges, pipe joints, and bearing sleeves, which can require welding. Making all necessary adjustments in electrical and pneumatic controls for optimal operation of chilled or hot water valves, booster heaters, pre-heaters, maximum air return from outside, and automatic and bypass volume dampers Routinely maintaining specialized or complex electronic equipment using manufacturer's equipment guides and specifications, industry criteria, and established techniques for guidance. Checking systems for suitable running cycles, refrigerant and oil leakages, motor and compressor temperatures, belt adjustment and replacement, set points, cleanliness, operations and superheat rotation, and heating protection Reporting any equipment needing major repairs to the supervisor. Performs other related duties as assigned