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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. |