In order for a refrigeration system to operate according to its design, both the refrigerant charge and air flow accomplishing the heat exchange process have to be correct. In this video program, gauges and temperature/pressure charts are used to explain the proper methods to follow when evaluating and charging a fixed-bore metering device refrigeration system.
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Jim Johnson has been a full-time technician, as well as a full-time trade school and community college instructor and administrator, working in and around the refrigeration, HVACR, appliance, and facility maintenance fields since 1973. He has facilitated hundreds of training seminars, workshops and classes in the HVACR electrical and refrigeration areas alone, as well as many other workshops in other technical and non-technical areas.
His background includes a satellite training network for HVACR and appliance technicians, and the development and presentation of more than 75 video training programs. He has authored five textbooks and 10 technician handbooks. He has been a columnist for trade magazines for more than 20 years, including Indoor Comfort News, RSES Journal, ACHR News, ACHR News Extra Edition, HVACR Today, and Marcone World Magazine, providing monthly troubleshooting features and more than 500 feature articles. He is a member of RSES, Certified as a Residential and Light Commercial Air Balancing and Diagnostic Technician, and is certified in heat pumps. He also holds multiple certifications in combustion analysis and carbon monoxide safety.
He is a registered proctor for NATE exams, and his workshops, HVAC training videos, and e-book CD’s not only provide a simplified approach to learning about troubleshooting and servicing heating and air conditioning equipment, they also serve as an effective preparation for NATE certification exams.
Find out more about Technical Training Associates!
All Courses, Jim Johnson-TTA, Refrigeration Systems, Troubleshooting, Refrigeration
Evaluating Refrigeration Systems: Troubleshooting & Identifying Problems Video4 Lessons $28.95
All Courses, Jim Johnson-TTA, Electrical, Troubleshooting
HVACR Electrical Troubleshooting Deciding Where To Begin Video5 Lessons $35.95
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