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Course · AL
HVAC Installation and Operation
Career and Technical Education, Alabama State Department of Education (ALSDE)
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HVAC Installation and Operation introduces students to procedures for installing heating, ventilation, air conditioning, and refrigeration (HVACR) equipment and performing basic preventive maintenance for HVACR systems. Emphasis is placed on interpreting information gathered about the system and using that information to determine whether the system is performing optimally.
Explain the importance and purposes of certification, licensing, rules, and regulating agencies in the HVAC industryDescribe the role of forced air furnaces in residential comfort systemsExplain the differences between a heat pump and a furnaceExplain how a combustion analyzer worksSize flue exhaust pipes and combustion air grilles, using international fuel gas code booksDescribe the functions of the components in an electric heat systemExplain the principles of hydronic heating. 2023 Revised Alabama Course of Study: Architecture and ConstructionDescribe the refrigeration cycle and the changes of state that occurExplain the law of thermodynamics and the pressure-temperature relationshipExplain the function of a compressor and a metering device in the refrigeration processContrast water-cooled condensers and air-cooled condensersContrast direct expansion systems and chiller systemsExplain the importance of airflow in relation to direct expansion and air-cooled HVAC systemsExplain how pressure, velocity, and volume are interrelated in air flow and outline the methods used to measure themDescribe various types of blowers and explain when they would be usedExplain how insulating, sealing, and testing air distribution systems maximize energy efficiencyExplain the importance of air velocity and how characteristics of common grilles, registersUse a ductulator to determine duct sizes for a given size unit and spaceDemonstrate use of pipefitting tools and measurements for fitting refrigerant, fuel gas, and/or water linesIdentify and describe various types of steel pipe and fittingsExplain the difference between soldering and brazingDescribe types of torch equipment utilized by field technicians and explain how and why different torch setupsExplain the use of nitrogen in soldering and brazing. 2023 Revised Alabama Course of Study: Architecture