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Fitchburg State University *** HVAC Refrigerator Mechanic II in Fitchburg, Massachusetts

General Statement of Duties and Responsibilities: Install heating, ventilating, air conditioning and refrigeration equipment including related fixtures; check heating, ventilation, air conditioning and refrigeration equipment for malfunctions; maintain and repair heating, ventilation, air conditioning and refrigeration equipment; and perform related work as required. The basic purpose of this work is to install, maintain and repair heating, ventilation, air conditioning and refrigeration equipment, including replacement of refrigerant containing parts on 10 ton units and above. Detailed Statement of Duties and Responsibilities: 1. Installs heating, ventilating, air conditioning and refrigeration equipment, including controls and related fixtures such as air and water filters and piping by using refrigeration, pipe fitting and structural layout techniques, blueprints, appropriate machines, tools and work aids to join tubing and/or pipes; to cut and thread pipes; to solder or braze joints; to mount compressor and condenser units; and to connect motors, compressors, temperature controls, humidity controls and circulating ventilation fans to electrical power sources. 2. Checks equipment for malfunctioning by observing pressure and vacuum gauges and other indicators; by adjusting controls in testing joints and connections for gas leaks; by injecting refrigerant and adjustment valves, controls and pumps; and by using testing equipment such as voltmeters, ohmmeters, amprobes, etc. to ensure proper operation. 3. Maintains, rebuilds and repairs by replacing worn or defective parts such as switches, fuses, thermostats and electrical wiring; by pumping specified gas or fluids into systems; by adding necessary liquids; by lubricating motors and bearings; and by changing filters. 4. Performs related work such as making and assembling metal ducts and chassis parts for heating, air conditioning and refrigeration systems; drilling holes for mounting brackets; screwing, boring, riveting and welding parts to assemble structural and functional components such as motors, controls, switches and gauges; and installing shells and cabinets of systems. 5. Performs daily rounds of the buildings and mechanical spaces. Employee will perform visual check, record temperature, pressure readings, etc. 6. Perform other duties as assigned. Qualifications Required at Hire (List of knowledge, skills, and abilities): 1. Must possess a valid Massachusetts Refrigeration Technician License. 2. Knowledge of water treatment for HVAC open and closed water systems. 3. Knowledge of the standard preventive maintenance procedures followed in connection with heating, refrigeration, ventilation, air-conditioning and related electrical systems. 4. Knowledge of the methods followed in the lubrication of machinery and equipment. 5. Knowledge of the methods used in the care and maintenance of small hand or power tools. 6. Knowledge of the safety practices and procedures followed in the installation, maintenance, and repair of heating, refrigeration, ventilation, air-conditioning and electrical systems. 7. Knowledge of the terminology, coding, symbols and standard abbreviations used in the installation, maintenance and repair of heating, ventilation, refrigeration, air conditioning and related electrical systems. 8. Knowledge of the methods and techniques followed in the installation, maintenance and repair of heating, refrigeration, ventilating, air conditioning and related electrical systems. 9. Knowledge of the types and uses of equipment and materials used in heating, refrigeration, ventilating, air conditioning and related electrical systems. 10. Knowledge of electrical, electronic and pneumatic HVAC control systems. 11. Knowledge of Variable Refrigerant Flow systems. 12. Ability to understand and apply the laws, rules and regulations governing assigned unit activities. 13. Ability to read and interpret documents such as specifications, operation m

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