Classified Staff Employee Job Descriptions

Installs, repairs, overhauls and maintains heating, ventilating and air conditioning (HVAC) or refrigeration systems.

This is a journey level position. This is second in a series of five classifications. This classification typically reports to the HVAC/Refrigeration Mechanic, Lead. Working conditions - restricted movement, extreme temperatures, intense noise, hazardous materials; moves heavy objects. Incumbents perform either HVAC or refrigeration duties.
 

• Troubleshoots, repairs and overhauls equipment such as air compressors, pumps, air handlers, air dryers, heat exchangers, other environmental changing devices, other mechanical equipment or electrical, pneumatic and electronic components.
• Installs, maintains or repairs pneumatic valves, electric valves, heat transfer equipment, ventilation and air distribution equipment.
• Installs and replaces all types of pumps or refrigeration equipment, according to prints, specifications, diagrams or other instructions.
• Reads gauges and instruments and adjusts mechanisms such as valves, controls and pumps to control level of fluid pressure and distribution in systems.
• Tests malfunctioning systems and components using electrical, mechanical, digital and pneumatic controls.
• Maintains cooling towers, water treatment facilities and tower distribution system.
• Prepares estimates for repairs and installation of equipment.
• Performs planned maintenance, regular servicing and repairs to refrigeration equipment of all types, sizes and temperature ranges.
• Maintains records of repairs or equipment requiring future service.
• Coordinates work schedules with other departments and shops in order to keep inconvenience to a minimum.
• Provides technical direction to air conditioning service workers.
  
   

• Knowledge of the HVAC or refrigeration tools, materials and test equipment.
• Knowledge of repair, maintenance and installation techniques.
• Skill in reading and understanding schematics.
• Skill in analyzing HVAC or refrigeration malfunctions from performance and test equipment readings and determining appropriate repairs.
• Ability to effectively communicate.
• The ability to work effectively with people from a variety of culturally diverse backgrounds.
  
  NOTE: If this position requires a CDL the following stipulations must be included in the job description:
  
  A pre-employment drug screening must be passed prior to incumbent beginning job functions. Incumbents in this position are subject to routine drug screening.

• Six years of progressively responsible HVAC or refrigeration equipment installation, maintenance and repair experience; OR,
• Completion of a four year federally approved technical training program in the installation, repair and maintenance of HVAC or refrigeration equipment; OR,
• Any equivalent combination of experience, training and/or education.
• Some positions in this classification may require Chloroflourocarbons Certification upon employment.
• Some positions in this classification may require a current Arizona driver's license upon employment.