St. Louis Chapter: Understanding and Diagnosing Air Conditioning

Description

Working on R1234yf A/C Systems: Tools & Tips:

While the basic operation of an air conditioning system hasn’t changed much, modern refrigerants, HVAC controls, sensors and diagnostic processes can be daunting—especially for new techs or experienced pros who are more familiar with past systems. Get up to speed on the most current and relevant R1234yf A/C systems with this comprehensive course, including must-know components and A/C operation details.

• Safely test, recover, evacuate, recharge and when to add special oil/dye to the system
• What to do (and not do) when performing R1234yf system service and repair
• How to assess, not guess, and get the job right the first time
• How to perform the mandatory leak test on the evaporator with a J2913 leak detector
• Gain a better understanding of the refrigerant, system function, testing, equipment uses and returning the system to peak operation