Community College of Allegheny County (CCAC)

Community College of Allegheny County

Course Description


HAC-221 - Heat/Air Conditioning Circuits/Controls (4 credits)
Prerequisite(s): PREREQUISITES: 15 HAC credits or departmental approval
Green building performance is related to energy usage. HVAC circuits and controls contribute to the efficient use of energy. This course covers the application of elementary two-position control circuits, electronic analog and digital circuits and concludes with an analysis of Display Data Channel (DDC) systems as they relate to the efficient use of energy and comfort.


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