Understanding Electricity and Wiring Diagrams for HVAC/R

Ideal for students who already have a knowledge of the basics of the refrigeration cycle and heating components, this very practical approach to electricity introduces them to the unique wiring diagrams, methods, technician short-cuts, and potential pitfalls they will encounter on the job as service technicians. It begins with a discussion of general electricity and electrical circuits, and then moves quickly into explaining wiring diagrams and the new devices that are encountered with each new diagram.