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Course · AL
HVAC Refrigeration Systems
Career and Technical Education, Alabama State Department of Education (ALSDE)
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HVAC Refrigeration Systems introduces students to electrical components and controls for refrigeration systems. Emphasis is placed on advanced problem-solving techniques for electrical components and circuitry. Students utilize flow charts and diagrams and use trouble-shooting procedures to identify defective electrical components and describe operating procedures for components of a refrigeration system.
Explain how AC power is generated and usedExplain how transformers operate and identify various types of transformers used in HVAC refrigeration systemsIdentify the various types of induction motors and explain how they operateExplain how to test various AC-powered devicesDescribe the operation of various types of compressorsExplain common causes of compressor failuresIdentify and explain the operation of various compressor protection devices. 2023 Revised Alabama Course of Study: ArchiDescribe the type of copper used in refrigerating pipesExplain the difference between plumbing copper and ACR copper and the fittings used with each type. and OilsDescribe the characteristics of various refrigerants and the applications that require these characteristicsIdentify various refrigerant classifications and describe their environmental impactUse pressure-temperature (PT) charts to calculate superheat and subcoolingIdentify and describe lubricating oils and issues related to their functionDescribe considerations related to refrigerant conversionsIdentify and describe common gaskets, packing materials, seals, and bearingsDescribe the properties of common lubricants and how they are appliedIdentify different types of drive belts and describe how they are installed and adjustedOutline the inspection and/or maintenance requirements for selected equipment. 2023 Revised Alabama Course of Study: Arc