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Course · AL
HVAC Fundamentals
Career and Technical Education, Alabama State Department of Education (ALSDE)
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HVAC Fundamentals introduces the basic skills and knowledge required in the heating, ventilation, air conditioning, and refrigeration industry, including mathematical skills and the use of specialized tools. Topics include heat, comfort, and psychometrics; equipment; trade math; and electricity. Career and Technical Student Organizations are integral, co-curricular components of each career and technical education course.
Research and report on how legislation and international agreements affect types of refrigerants used in HVAC systemsExplain the HVAC industry’s role in global climate change and the regulations designed to combat climate change. andExplain how evaporative cooling units reduce air temperature and indicate conditions under which they are most effectiveCompare and contrast latent heat and sensible heat, including information about their impacts on the refrigeration cycleExplain the underlying scientific and mechanical principles of heating, cooling, refrigeration, and ventilation systemsCalculate the cubic feet in a cube or rectangular prism to determine the size HVAC unit needed for a given structureConvert pressures and temperatures using the PT chart to determine and set coil pressureSolve algebraic equations for designing, adjusting, modifying, or troubleshooting an HVAC systemExplain the fundamentals of electricity and how it is generatedDescribe the components of a basic electrical circuit and identify electrical symbols on a schematic diagramApply Ohm’s law to troubleshoot electrical issues in an HVAC systemUse the power formula to calculate how much power a device is consumingExplain the difference between parallel and series circuits and ways they are usedMeasure voltage, amperage, and resistance on an electrical circuitExplain the difference between a ladder diagram