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Architecture and Construction, Grade 9 - 12, Commercial Refrigeration, 2009

1.) Demonstrate safety rules, regulations, and procedures for commercial heating, ventilation, air-conditioning, and refrigeration (HVACR).

2.) Determine the condition of electrical defrost systems utilized in commercial refrigeration.

3.) Apply correct procedures for evacuation and charge of a commercial refrigeration system.

4.) Demonstrate how to adjust high and low pressure controls of a commercial system.

5.) Determine different types of condensers and evaporators used in commercial refrigeration systems.

6.) Identify different types of metering devices used in commercial refrigeration systems.

7.) Demonstrate the operation of service valves used in commercial refrigeration systems.

Examples: front-seat, mid-position, back-seat, ball-check

8.) Apply skills necessary to pump down a commercial refrigeration system.

9.) Determine oil pressure in a commercial refrigeration system.

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