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).
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2.) Determine the condition of electrical defrost systems utilized in commercial refrigeration.
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3.) Apply correct procedures for evacuation and charge of a commercial refrigeration system.
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4.) Demonstrate how to adjust high and low pressure controls of a commercial system.
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5.) Determine different types of condensers and evaporators used in commercial refrigeration systems.
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6.) Identify different types of metering devices used in commercial refrigeration systems.
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7.) Demonstrate the operation of service valves used in commercial refrigeration systems.
Examples: front-seat, mid-position, back-seat, ball-check
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8.) Apply skills necessary to pump down a commercial refrigeration system.
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9.) Determine oil pressure in a commercial refrigeration system.
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