Service & Repair Mechanics (HVAC-R) are responsible for the operation, maintenance, repair and installation of heating, refrigeration and air-conditioning equipment; supervising and training other members of the operation and maintenance staff including skilled, semiskilled and unskilled workers, in servicing and repairing heating, refrigeration and air-conditioning equipment; and work with the considerable independence.
Work in HVAC-R includes overhauling compressors, pumps and electric motors, replacing parts and controls, and installing new equipment.
Performs required periodic maintenance and emergency repairs on heating, refrigeration and air-conditioning equipment.
- Inspects, tests, diagnoses trouble and dismantles malfunctioning systems and components.
- Overhauls compressors, pumps and electric motors, replacing parts as necessary.
- Overhauls and replaces control devices, calibrating and recalibrating them as necessary.
- Rewires electrical systems of components as necessary.
- Performs seasonal start-up and shut-down operations on air-conditioning units and systems to ensure efficient operation and to prevent freeze-ups.
- Locates and seals leaks in both gas and brine units, removes air from lines and replaces with proper refrigerant.
Installs new equipment both as replacement units and new installations.
- Studies blueprints and schematic drawings to identify the location, size and type of components.
- Lays out reference points for the installation of components using structural measuring tools.
- As necessary assembles components of system for installation following written and schematic instructions.
- Mounts compressors, condensers and other components in specified locations.
- Cuts, threads and connects or welds tubing to inlets and outlets of components.
- Installs control mechanisms with wrenches and acetylene torches.
- Tests lines, connections and components for leaks with leak detector which indicates the presence of refrigerant.
- May install electric wiring to connect components to power source.
- Records temperature and pressure readings from gauges and temperature potentiometer and compares readings with manufacturer’s specifications.
- Adjusts controls to bring readings within specifications as required.
As assigned, supervises and trains Service & Repair Assistants (HVAC-R), Plant Utilities Assistants, and other trades positions in the repair and maintenance of refrigeration and air-conditioning equipment.
- Assigns work to staff providing oral and written instructions and diagrams as necessary.
- Demonstrates proper methods and procedures for performing work.
- Observes and inspects work in progress and at its completion to insure work is properly done.
- Performs journey level work as required.
As required, operates a motor vehicle to transport material, equipment and personnel to job sites around a State facility.
Must be able to perform all the physical duties of the position as described in the Position Summary.
Candidate must also have the ability to stand, bend, stoop, sit, twist, lift over 50 pounds, work independently, work at elevated heights using ladders and scaffolds, and perform work in confined and/or restricted access areas such as air handling units for extended periods of time.
Visa Sponsorship is not available.