Thursday, December 20, 2018

Electricity for HVAC Techs (Free PDF)

File Size: 9.32 mb

This book is intended to provide an introduction to the basic principles of electricity and electronics as they apply to refrigeration, heating, and air-conditioning systems. It combines basic principles, using very little math, with the latest applications found in the HVAC industry.
The fields of refrigeration, air conditioning, and heating are undergoing some very rapid changes. The advent of the computer chip has made it possible to control heating and cooling systems precisely and with a great deal of freedom in programming their applications. The new high-efficiency furnaces utilize the chip both for sequencing and for protection from accidental damage. Most of these programmable controllers provide instructions and technical bulletins. They are numerous, and each has its own approach to solving a given problem. This book will make it possible for you to understand these instructions and improvements.
Future technicians need to deal with the fact that change is inevitable, and that they will have to keep up with the latest developments as long as they work in the field. It is hoped that this book will make that task easier.

Chapter 1. Introduction to Electricity
Chapter 2. Current,Voltage, Resistance, Power, and Ohm’s Law
Chapter 3. Resistors, Other Electric Components, and Their Symbols
Chapter 4. Series and Parallel Circuits
Chapter 5. Magnetism, Solenoids, and Relays
Chapter 6. Electrical Measuring Instruments
Chapter 7. Electrical Power: Direct Current and Alternating Current
Chapter 8. Inductors and Transformers
Chapter 9. Capacitors and Capacitive Reactance
Chapter 10. Single-Phase and Three-Phase Alternating Current
Chapter 11. Solid-State Controls
Chapter 12. Alternating Current Motors
Chapter 13. Electrical Safety
Chapter 14. Control Devices
Chapter 15. Heating Circuits
Chapter 16. Air-Conditioning Circuits
Chapter 17. Refrigeration Circuits
Chapter 18. Troubleshooting
Chapter 19. Controlling Electrical Power for Air-Conditioning Units
Chapter 20. Careers in Air Conditioning and Refrigeration

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