Electricity and Electronics for HVAC
Electricity and Electronics for HVAC 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.
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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.
Electricity and Electronics for HVAC Content
- Preface
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- Acknowledgments
- Introduction to Electricity
- Current,Voltage, Resistance, Power, and Ohm’s Law
- Resistors, Other Electric Components, and Their Symbols
- Series and Parallel Circuits
- Magnetism, Solenoids, and Relays
- Electrical Measuring Instruments
- Electrical Power: Direct Current and Alternating Current
- Inductors and Transformers
- Capacitors and Capacitive Reactance
- Single-Phase and Three-Phase Alternating Current
- Solid-State Controls
- Alternating Current Motors
- Electrical Safety
- Control Devices
- Heating Circuits
- Air-Conditioning Circuits
- Refrigeration Circuits
- Troubleshooting
- Controlling Electrical Power for Air-Conditioning Units
- Careers in Air Conditioning and Refrigeration
Electricity is as old as the universe. But knowledge about it is relatively new. Early humans were aware of electricity in the form of lightning. They learned of its power when they saw it starts fires and kills people and animals.
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