Commercial Refrigeration
October 5th, 7th, 12th, 14th
(Four 90 -120 minute sessions)
$25 discount when purchased as a bundle.
This 4-part Instructor Led Instruction series covers nine different troubleshooting scenarios, diagnostic charts and applications to help analyze operations, supermarket CO2 systems as compared to conventional systems, and high glide refrigerants and associated operations. Also technical updates from the new edition of Dick’s textbook, “Commercial Refrigeration for Air Conditioning Technicians, 4th Edition”.
Troubleshooting 9 System Problems
- October 5th / 5:30 PM – 7:30 PM PDT
Using Diagnostic Charts and Apps
- October 7th / 5:30 PM – 7:00 PM PDT
Supermarket CO2 Systems
- October 12th / 5:30 PM – 7:00 PM PDT
Working With High Glide Refrigerants
- October 14th / 5:30 PM – 7:00 PM PDT
Dick Wirz has been in the HVACR trade since 1963 and owned a commercial refrigeration company for 25 years. He holds Master Licenses for both HVACR and Electricity in three states. He is also NATE certified in all categories. After his first retirement in 2001 he became an Associate Professor and Asst. Dean for the A/C-Refrigeration program at Northern Virginia Community College before retiring in 2014. He is the author of Commercial Refrigeration for Air Conditioning Technicians published by Cengage. He and his wife Irene have developed Instructor CD training aids under their company name of Refrigeration Training Services which are used in HVACR training programs and schools in all 50 States.
