Now in its Second Edition, this training manual was written by industry renowned presenter and author, Michael Prokup. This book is a comprehensive reference for servicing R-22/R-410A residential split air conditioning systems and is a must have for every student and service technician! Step-by-step service procedures and quick reference diagrams will help guide technicians through troubleshooting and service. 168 pages, spiral bound, and fully illustrated. Copyright 2022 Topics covered include:

• Mechanical Refrigeration Cycle Basics
• Refrigerants and Oils
• Superheat
• Subcooling and Condensers
• Refrigerant Piping
• Charging
• Diagnosing Refrigeration Circuit Problems
• High Voltage Circuit
• Compressors
• ECM Blower Motors
• PSC Motors
• Air Volume

No material may be returned for credit without prior permission and shipping instructions from RSES Headquarters. Contact 1-800-297-5660 Monday-Friday 8:30 AM - 5:00 PM (CST).

Books, Manuals and Merchandise:

Materials returned after 30 days from original shipment, and with permission, will be subject to a 15% restocking charge. Materials returned after 60 days are subject to a 50% restocking charge. No material will be accepted for return after 90 days from the original shipping date.

CDs and DVDs:

CDs and DVDs are non-returnable once the original carton/package seal has been broken. (Certain exceptions apply. Call with questions).