An overview of the history of refrigeration, subsequent chapters provide exhaustive coverage of the principles, applications and design of several types of refrigeration systems and their associated components such as compressors, condensers, evaporators, and expansion devices. Refrigerants too, are studied elaboratively.
You can refer book for Refrigerator and AC Technician by Indian Author.
Book Name-Refrigeration and Air Conditioning
Author Name-by Arora (Author), Ramesh Chandra
Link : http://www.amazon.in/Refrigeration-Air-Conditioning-Arora/dp/8120339150
You can also refer link : http://www.nsdcindia.org/sites/default/files/files/RAC_Participant_Handbook.pdf