Heavy Refrigeration Mechanic

Major Responsibilities

• Performs operational preventive maintenance and repairs of complete heavy refrigeration systems.
• Aids in establishing a schedule of preventive maintenance.
• Maintains equipment such as reciprocating, absorption, centrifugal, and screw devices, both hermetic and open style units.
• Installs and maintains new chilled water pumps and strainers.
• Maintains all components of underground chilled water distribution systems in all manholes and buildings.
• Performs replacement and maintenance work of cooling tower fans, shafts, bearings, mechanical seals, motors, nozzles and piping.
• Drains, cleans and winterizes cooling towers, prepares towers for startup in the spring.
• Reads and interprets sketches, diagrams, blueprints, and schematics for large tonnage refrigeration systems; studies drawings, OEM manuals, and wiring diagrams of chilled water control systems.
• Follows safety precautions to prevent harm to self, other persons, and the environment.
• Issues burning permits(aka hot work permits) for soldering and/or brazing.
• Communicates daily using a two-way radio and/or mobile device in order to update and respond to work-related routine and emergency information.
• Performs related duties as assigned.

Environmental Factors/Occupational Exposures

• Extreme heat and cold conditions.
• Wet/humid, dry, and cold environments.
• Loud noise, electricity/high voltage, chemicals, gases, fumes, and vibration.
• Dust and/or airborne particles.
• Must wear designated personal protective equipment.
• Exert 50 to 100 pounds of force occasionally, and/or 25 to 50 pounds of force frequently, and/or 10 to 20 pounds of force constantly.
• Ability to accurately discern colors.
• Must be able to climb stairs, use 12-ft ladders and 32-ft. aerial lifts, work on rooftops, work from scaffolding and high areas using appropriate harness and tether equipment, and use ramps and aerial lift devices above ground.

Required Knowledge, Skills And Abilities

• Ability to work with chilled water equipment rated at 20 tons or greater manufactured by Carrier, Trane, York, Copeland, and/or other major manufacturers.
• Possess a thorough working knowledge of building Automation Systems and interrelation to the control of large chillers and chilled water systems.
• Possess knowledge to work on electronic controls and understand BAS logic.
• Independent judgment and suggest innovative and cost effective ideas on the maintenance of the total heating and cooling plants and underground utility distribution systems.
• Ability to use hand and power tools, perform preventive maintenance according to published guidelines.
• Ability to perform soldering, braising and cutting of steel.
• Interpersonal skills.
• Ability to communicate effectively and interact with people of all ages and diverse backgrounds.
• Thorough knowledge of University campus layout.
• Must be capable of working independently and prioritizing tasks in order to meet the needs of the unit and its customers.

Required Minimum Training And Experience

• High school diploma, GED, or equivalent.
• Minimum of four (4) years journeyman experience as a refrigeration mechanic on systems rated at 20 tons or greater.
• A certificate of completion as a Universal technician as required by 40 CFR Part 82, Subpart F, of the Federal Clean Air Act.
• Experience in the maintenance and repair of domestic, commercial and industrial refrigeration systems and satisfactory completion of four-year R.S.E.S. (Refrigeration Service Engineer Society) program or equivalent.

Special Requirements

• Must possess a valid motor vehicle operator’s license in order to drive University of Delaware vehicles to get to and from job sites.