As well, answers may be filled in. Lastly, may be missing components, e.g. missing DVDs, CDs, Access Code, etc.
Refrigeration and Air Conditioning - Field Diagnostics and System Understanding: A Technician-First Guide to Refrigeration Cycles, Charging Methods, Controls, and Real-World Troubleshooting
Modern Refrigeration and Air Conditioning
Modern Refrigeration and Air Conditioning Workbook
Refrigeration and Air Conditioning Technology - Hardcover - VERY GOOD
Refrigeration and Air Conditioning Technology - Hardcover - GOOD