HVAC MECHANIC II
NATURE OF WORK An employee in this class constructs, modifies, or repairs heating, ventilation, and air conditioning equipment and environmental control systems. This employee may serve as the technical expert in one or moreareas of the heating, ventilation, and air conditioning fields. Employees at this level review the heating and cooling requirements and make recommendations to achieve optimum system effectiveness and efficiency. The employee is expected to resolve most problems. Errors may or may not be quickly revealed, and they may result in inefficient and potentially dangerous situations. Work is performed independently under general supervision.
ILLUSTRATIVE EXAMPLES OF WORK Overhauls large reciprocal, absorption, and centrifugal compressors. Troubleshoots and repairs complex chiller or control problems, determines parts needed and work procedures. Analyzes HVAC system requirements recommending new systems or modifications. Researches new equipment or procedures for possible adoption and use. Reads blueprints and diagrams. Sets heating, air conditioning, ventilation and environmental control equipment into place. Wires controls and other related electrical equipment.
KNOWLEDGE, SKILLS AND ABILITIES Considerable knowledge of heating, ventilation and refrigeration theory. Considerable knowledge of the practices, methods, materials, and equipment used in the maintenance and repair of HVAC equipment. Considerable knowledge of the design and operation of centrifugal and reciprocal compressors. Working knowledge of electricity. Working knowledge of the design and operation of pneumatic control systems. Ability to diagnose equipment malfunctions and prescribe repair procedures. Ability to follow broad written or oral instructions. Ability to follow blueprints and diagrams. Ability to analyze building heating and air conditioning requirements and recommend systems or modifications.
SUGGESTED TRAINING AND EXPERIENCE Considerable experience in the installation, maintenance, and repair of HVAC and related environmental control systems.
SPECIAL REQUIREMENTS The employee or agency must hold a heating and/or air conditioning license based on State requirements, as directed by the Board of Examiners of Plumbing, Heating, Air Conditioning, and Fire Sprinkler Contractors.