HVAC Controls Mechanic III

Norfolk Public School District

Norfolk, VA

Pay: $25-$36/hr

Shift: Full time

**Full-Time and Permanent; Non-Exempt; 8 Hours/Day; 252 Days/Year; 12 Months/Year; Grade: MM**

**DEFINITION**

Performs a variety of skilled master's level tasks associated with the installation, modification and repair of pneumatic, electric, electronic and digital controls for heating, ventilation and air conditioning (HVAC) equipment; may serve as crew leader; performs related work as required.

**SUPERVISION**

Work is performed under the general supervision of a shop supervisor.? Incumbents may monitor, instruct, or oversee the work of trades helpers and journey level classifications in the HVAC Controls Mechanic trades series; may serve as working leader of a crew of HVAC Controls Mechanics engaged in performing a variety of skilled tasks; may provide written or oral information to a superior regarding the performance of subordinates assigned to a crew, shop or team, but is not assigned formal responsibility for performance evaluation.

**DISTINGUISHING CHARACTERISTICS**

This is the master's level of the HVAC Controls Mechanic trades series.? Many maintenance tasks are performed at schools, centers, and offices while others are performed in a shop or fixed site.? Work is checked through personal inspection by a superior or approval of an administrator at the work site.? Work is usually carried out within the framework of well-defined procedures, but some independent judgement is exercised to complete assigned tasks.? Work is checked through personal inspection by a superior or approval of an administrator at the work site.? Some positions assigned to this classification may be required to work an evening shift on a regular or rotating basis.

**

ESSENTIAL FUNCTIONS OF THE CLASS

** (May not include all duties performed.)

Performs a variety of skilled master's level duties on the interior and exterior of buildings, installing, repairing and maintaining pneumatic, electric, electronic and digital controls for heating, ventilation and air conditioning systems and associated equipment in accordance with EPA codes.

Troubleshoots, tests, repairs, calibrates, maintains or modifies HVAC control systems and equipment including, but not limited to, fans, air compressors and motors, valve and damper actuators, thermostats, regulators, master and sub-master controllers, belts, heating and cooling coils, power supplies, relays, and circuit boards.

Uses laptop computer to review and edit HVAC data base control programs to change set points and ensure comfortable and economic operation of equipment.

Ability to troubleshoot variable frequency drives for fans and pumps.

Performs preventative maintenance on air compressors, refrigerated air dryers, air pressure regulators and filters, and associated piping and components for pneumatic control systems.

Operates and maintains hand and power tools, including volt, ohm and amperage meters, temperature and humidity test equipment, manifold gauges, air flow, air pressure and carbon dioxide meters, personal computers, and welding equipment; uses ladders and scaffolding.

Ensure proper maintenance of tools and other electrical equipment; ensures safety of the work area.

Drives a vehicle to and from work locations and keeps vehicle supplied with tools and materials; requisitions parts and materials from vendors and supply houses; performs operator maintenance on vehicle and keeps it in orderly condition; keeps records and makes reports of work accomplished and materials used.?Maintain credit card purchases and associated?paperwork.

**REQUIRED KNOWLEDGE,** **SKILLS** **AND ABILITIES**?

Thorough knowledge of the equipment, materials, methods, practices and tools used in the heating, ventilation and air conditioning controls trade; thorough knowledge of a variety of HVAC control systems, including design, operation, maintenance, repair and parts variations.

Thorough knowledge of the EPA codes and of the common hazards and necessary safety precautions.

Skill in the use of tools, equipment, and materials pertinent to the trade.

Ability to troubleshoot, test, repair, calibrate, maintain or modify heating, ventilation and air conditioning control systems and equipment, including pneumatic, electric, electronic and digital controls.

Ability to perform preventative maintenance on air compressors, refrigerated air dryers, air pressure regulators, and filters.

Ability to review and edit different HVAC data base control programs, to plan and perform work of the trade at the full master=s level, to observe, monitor, train, assign, lead and make recommendations to superior regarding the work of subordinates assigned to crew.

Ability to perform well under emergency repair or changing work priority situations, to regularly learn new technology, to follow written and oral instructions, diagrams, blueprints, schematics (electronic, electrical and pneumatic) and manufacturers manuals.

Ability to estimate time and materials needed for small jobs and to perform routine record keeping