Electricity and Controls for HVAC-R

Electricity and Controls for HVAC/R is written with the assumption that the student has no prior knowledge of electricity or control systems. Basic electrical theory is presented in a practical, straightforward manner. Mathematical explanations are used only when necessary to explain certain concepts of electricity.Each unit starts with the objectives of the unit and ends with a summary of important facts.

The text begins with the study of basic electrical theory and progresses to series circuits, parallel circuits, alternating current, inductive circuits, and capacitive circuits. The text also includes information on different types of threephase services found in industrial and commercial locations as well as single-phase residential services.Individual devices and components common to the air conditioning, heating, and refrigeration field are presented in a practical manner. Devices are explained from a standpoint of how they operate and how they are used. The text contains testing procedures for many of the devices covered. The practical presentation of these devices makes this text a must-have reference book for the service technician working in the fi eld.