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Drawing from the author's 20+ years professional and academic experience, this book presents basic AC and DC electricity, electrical principles, electric circuits and controls for air conditioning, heating and refrigeration systems. It is specifically designed to be clear and concise enough for beginnerswith a straightforward writing style and numerous diagrams and illustrationsyet comprehensive and accessible enough to serve as a professional reference. Chapter topics include safety; tols for HVAC technicians; fundamentals of electricity and electrical meters; series circuits; parallel and seriesparallel circuits; magnetic theory; fundamentals of AC electricity; transformers, threephase, and singlephase voltage; symbols and diagrams for HVAC and refrigeration systems; relays, contactors, and solenoids; singlephase open motors; singlephase hermetic compressors; threephase open motors and threephase hermetic compressors; motor starters and overcurrent controls; thermo
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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