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Occupational Title: HVACR Technician Key Purpose: Diagnose, install, service, and repair heating, ventilation, air conditioning and refrigeration systems.
Critical Work Function 3 Design, install, and maintain piping systems for HVACR equipment.			Occupational Skills, Knowledge and Conditions
Key Activities		Performance Criteria	Occupational Skills and Knowledge	Conditions
Those duties or task clusters that are necessary to perform each critical work function.		Specific demonstrable performance and standards that indicate when the key activity has been performed successfully.	Those skills and knowledge that are specific to the occupation, such as technical processes or procedures common across the occupation that are critical to the related key activity.	Tools, resources and equipment necessary to carry out key activities and their related performance criteria.

KA3.1	Identify, install, maintain, and replace drainage and venting systems.	Number Criteria 3.1.1  Identify properly sized and applied condensate drains and waste drains connected to  HVACR equipment and accessories.  3.1.2  Install properly sized and applied condensate drains and waste drains connected to  HVACR equipment and accessories.  3.1.3  Maintain properly sized and applied condensate drains and waste drains connected to  HVACR equipment and accessories.  3.1.4  Replace properly sized and applied condensate drains and waste drains connected to  HVACR equipment and accessories.  3.1.5  Post-service performance audit  of HVACR  equipment indicates condensate drains and waste drains connected to  HVACR equipment and accessories operating at or  above  manufacturer's design  specifications, benchmarks, and baselines.	Knowledge and application  of drain and vent system design. Understanding of proper procedures for brazing HVACR piping. Knowledge and  understanding of  reference code books.	Appropriate hand tools Air/Acetylene brazing torch
KA3.2	Identify, select, and utilize piping systems and components.	Number Criteria 3.2.1  1  Identify and select fuel and heat distribution pipes according to sizing and layout requirements.  3.2.2  Identify and select appropriate piping systems based on pipe selection, pipe size, and system design.  3.2.3  Select the proper fitting or valve for specific applications; for example, globe valves, gate valves, angle valves, check valves, elbows, tees, unions, couplings, and half union.  3.2.4  Utilize pipe accessories, such as flanges, isolators, hangers, expansion joints, expansion, loops, supports, insulation, etc. 3.2.5  Post-service performance audit  of HVACR equipments indicates piping system components operating at or above manufacturer’s design specifications, benchmarks, and baselines.	Knowledge and application  of piping materials and design.	Appropriate Hand Tools