Instrument Mechanic II

Position Summary

Under general supervision the Instrument Mechanic II installs, repairs, maintains, and adjusts indicating, recording, telemetering, and controlling instruments used to measure and control variables such as pressure, flow, temperature, motion, force, and chemical composition.

Typical Duties

• Diagnose/repair complex HVAC control systems malfunctions requiring extensive knowledge of electronic and digital control systems.
• Inspect, evaluate and determine necessary modifications, perform complex repairs or removal of instruments/devices needing overhaul during scheduled maintenance of HVAC control systems.
• Disassembles malfunctioning instruments, and tests mechanism and circuitry for defects.
• Troubleshoots equipment in or out of control system and replaces or repairs defective parts, reassembles instrument and tests assembly for conformance with specifications.
• Record and report abnormal functions or out of tolerance conditions of equipment and initiate corrective action.
• Provide sketches of field changes for engineering corrections. Assist with job layouts.
• Develop solutions to complex HVAC system controls issues.
• Respond to system alarms using computer and onsite analysis.
• Monitors and Inspects heating and cooling systems to ensure continued proper operation.
• Replace defective HVAC electrical and electronic controls to include communication cables.
• Monitors energy management control system and building automation systems; responds promptly to alarm conditions and troubleshoots system malfunction in the field.
• Observes pressure and vacuum gauges and adjusts controls to insure proper operation.
• Checks distribution systems for proper velocity, volume, temperature, pressure, etc.
• Responds to emergency calls after normal work hours.
• Follow procedures, regulations and guidelines while minimizing errors and safety risks.
• Provides technical support to HVAC Mechanics, Boiler Tenders, Stationary Engineers, and other departments.
• Performs other duties and special projects as assigned.

Minimum Qualifications

• Eight or more years of field experience servicing and repairing HVAC equipment and controls.
• Ability to write and test modifications in multiple languages of system software.
• Must possess comprehensive knowledge of computer operated HVAC control systems and principles of air-conditioning, ventilation, fluid flow and heating operations.
• Ability to read and interpret schematics provided by manufacturers.
• Advanced knowledge of and understanding of energy management control systems and building automation systems to include pneumatic controls, complex balance procedures, load calculations.
• Ability to diagnose and resolve advanced network operation problems along with strong knowledge of network (WAN or LAN) intranet.
• Knowledge of computer systems operation and network administration to include CBUS/LON.
• Able to use industry hand and machine tools.
• Ability to read, interpret and work from blueprints, schematics, and written instructions.
• Advanced electrical and electronic trouble shooting skills.

Certificates or Licenses Required

The following licenses or certificates may be required depending on local, state and/or contract requirements:

• Elevated CAC Card Privileges
• EPA Certification
• Honeywell ControlSys Cert
• Johnson ControlSys Cert
• R410A Safety
• Valid Driver's License

Physical Requirements

Employees must have the ability to perform the following physical demands for extended periods of time with or without assistance:

• Maneuvering to, in, and around equipment
• Bending, kneeling, stooping and reaching
• Climbing stepstools or ladders
• Lifting and moving heavy equipment up to 35 pounds
• Climbing ladders to gain access to rooftop equipment
• Monitoring computer systems and control displays

Work Environment

Work is performed at a customer's location in office, shop, warehouse, or outdoor environment. May require driving to and from worksite locations. Equipment can be located in crawl spaces, rooftops, and outside facility. Employees may be exposed to hazardous and/or toxic substances, electrical shock, noise from equipment, and depending on external weather conditions, wind, rain, cold, and heat.