- This book is a comprehensive guide to Heating, Ventilation, and Air Conditioning (HVAC) systems and is designed to provide a practical and detailed understanding of the essential components and operations of HVAC systems. - The book is written in a clear and concise manner, with numerous illustrations and examples to help readers understand the material. - It discusses Ohm's Law and Watt's Law, overload and over current terms, overload and over current protection devices, single-phase systems vs. three-phase systems, low-voltage release vs. low-voltage protection, and more. - It covers thermostats - general, line voltage thermostats, low-voltage thermostats, electric heat - general, baseboard heat, central electric heat, unit heaters, portable heaters, in-floor heating, gas heat - basic principle, gas heat - control, pilot lights, thermocouples and hydronic heating systems, - It discusses mechanical cooling - general applications, principles, hydronic cooling systems, gas laws, phase changes, direct expansion air conditioning systems, and the DX cooling cycle. - It is an invaluable resource for HVAC technicians, contractors, engineers, and students. . It is an excellent reference guide for those involved in the HVAC industry and a must-have for anyone looking to expand their knowledge of HVAC systems.
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