Issued:	01/24/00	Classification Code #73150
Supersedes:	New	FLSA NE

TITLE:

HVAC CONTROLS SPECIALIST

GRADE:

T5

BASIC FUNCTION AND RESPONSIBILITY

To perform work in the installation, maintenance and repair of Direct Digital Control (DDC), pneumatic and electrical control systems.

CHARACTERISTIC DUTIES AND RESPONSIBILITIES

Install, repair and maintain DDC equipment related to HVAC systems. Use a workstation or portable terminal to command points, evaluate programs, backup databases and update changes or additions to the databases. Interpret, modify and write software to control HVAC systems and equipment. Evaluate sequences of operation and assess the probability of the sequences functioning properly with DDC, pneumatic and electric control systems when applied to HVAC equipment. Read and interpret blueprints and schematic diagrams related to HVAC control systems. Diagnose HVAC system problems, including verifying operations of dampers, valves, actuators, coils, fans, pumps, heat exchangers, VAV boxes, airflow devices, water flow devices, thermostats, and other HVAC components. Prepare reports indicating findings after troubleshooting HVAC and DDC control systems.

RELATED DUTIES

Install, repair and maintain pneumatic controls, including receiver controllers, relays, switches and other pneumatic devices used for control of HVAC systems. Install, repair and maintain electric controls, including freezestats, relays, electric pneumatic and pressure electric switches. Access motor control centers and motor starters to wire control and status circuits. Install control cabinets, mount control equipment and cut, bind, and route conduit lines for control wire and pneumatic tubing. Install, repair and maintain other field devices including sensors, airflow stations, water flow stations, freezestats, and other field devices to make a complete control system. Inspect, test and analyze malfunctions of equipment, using ammeter, voltmeter, ohmmeter, flowmeter, oscilloscope and computers. Make cables for computers. Dismantle and repair equipment, replacing defective electronic and pneumatic components. Perform preventive maintenance activities on DDC and other related control equipment.

SUPERVISION RECEIVED

Receives supervision from a designated official.

SUPERVISION EXERCISED

No supervisory responsibility.

QUALIFICATIONS

Graduation from high school and specialized training in HVAC systems and DDC technology is necessary. Considerable knowledge of the tools, equipment, methods and materials related to HVAC and DDC systems is necessary. Considerable knowledge and experience installing, repairing and maintaining HVAC and DDC equipment is necessary. Considerable knowledge and experience servicing DDC equipment at the component level is necessary. Some experience writing software for DDC systems related to HVAC systems is necessary.

This description is intended to indicate the kinds of tasks and levels of work difficulty that will be required of positions that will be given this title and shall not be construed as declaring what the specific duties and responsibilities of any particular position shall be. It is not intended to limit or in any way modify the right of any supervisor to assign, direct, and control the work of employees under his supervision. The use of a particular expression or illustration describing duties shall not be held to exclude other duties not mentioned that are of a similar kind or level of difficulty.