Heating & A​/C Technician; HVAC at Maintenance & Operations

Overview

LODI UNIFIED SCHOOL DISTRICT

CLASS

TITLE:

HEATING & AIR-CONDITIONING TECHNICIAN

Basic Function

Perform journey-level mechanical, plumbing and electrical work in the repair, inspection, servicing, maintenance, installation and alteration of District heating, ventilating, and air conditioning systems and related equipment and facilities.

• Install, service, inspect, regulate, maintain and repair heating, ventilation, air conditioning and refrigeration equipment such as boilers, exhaust fans, heat pumps, electrical cooling units; install ducts and units.
• Install, repair or replace compressors, charge units, motors, fans, valves, controls, temperature control devices, pumps, water pressure regulators, cooling towers and other parts and systems; inspect, clean and replace filters as necessary.
• Calibrate, clean, repair and replace electric, pneumatic and low-voltage controls, thermostats, timers, air handling and distribution equipment.
• Diagnose mechanical and electrical problems; repair or replace defective parts in units, appliances and equipment and controls; observe and comply with federal, State and local building, health and safety codes and regulations.
• Check and adjust temperatures or air conditioning equipment, furnaces, boilers and thermostats; clean, repair and replace worn parts of ventilator fans; add and maintain chemicals as appropriate.
• Cut and thread pipe; perform welding, soldering and brazing.
• Maintain a preventive maintenance program for District heating, ventilation, air conditioning and refrigeration equipment and systems.
• Operate a variety of equipment and machinery such as meters and testing devices, pressure gauges, vacuum pumps and hand tools; operate a District vehicle to conduct work.
• Service electrical components, such as relays, contacts, starters, breakers and fuses; maintain current knowledge of regulations related to voltage, amperage and resistance; observe and comply with applicable federal, State and local health and safety laws.
• Install, repair, service and maintain gas-fired kilns and water heaters and swimming pool heaters; maintain heating, circulation and water treatment systems for swimming pools.
• Maintain routine records of maintenance and repair activities.
• Prepare and work from sketches, plans, drawings, blueprints, specifications and electrical schematics.
• Order parts and supplies according to established procedures; monitor inventory of supplies.
• Perform related duties as assigned.

• KNOWLEDGE OF:
  Methods, equipment and materials used in the HVAC trade.
• Manual and electrical tools and equipment applicable to the HVAC trade.
• Health and safety regulations.
• Applicable sections of State Education Code and other applicable laws.
• Basic record-keeping techniques.
• Technical aspects of field of specialty.
• Proper methods of storing equipment, materials and supplies.

• Install, maintain and repair HVAC equipment and systems.
• Operate specialized machinery and equipment utilized in the HVAC trade.
• Diagnose malfunctions and determine repair needs.
• Install, repair and maintain electric and gas kitchen equipment.
• Work from blueprints and electrical schematics.
• Understand and follow oral and written directions.
• Work independently with little direction.
• Meet schedules and time lines.
• Plan and organize work.
• Maintain routine records.
• Observe legal and defensive driving practices.

Any combination equivalent to: high school diploma or equivalent supplemented by completion of apprenticeship program, college or technical school with courses in electrical and mechanical technology, principles of heating and cooling systems; extensive journey-level experience with a variety of commercial heating and cooling systems, steam and hot water boilers, chillers, pumps, motors and electrical, pneumatic and electronic controls.

• Valid California driver’s license.
• Refrigerant Recovery/Reclamation certification.

• Indoor and outdoor environment.
• Driving a vehicle to conduct work.
• Fumes and noise from air conditioning and refrigeration equipment.
• Incumbents may be required to respond to emergency calls.

• Lifting and carrying heavy objects.
• Climbing ladders.
• Walking and standing for extended periods of time.
• Bending at the waist, kneeling or crouching.
• Reaching overhead, above the shoulders and horizontally.
• Dexterity of hands and fingers to operate hand tools and specialized equipment.

• Electrical power supply and high voltage.
• Working in a cramped or restrictive work chamber.
• Exposure to vapors and fumes.

Board Approved 11/2/99