For nearly 40 years, HVACR students, technicians and contractors have relied upon Jim Johnson's Technical Training Associates video series to further their career. Now these videos are available for instant streaming on ELN. Each video explains fundamental concepts and illustrates a step-by-step approach to learning how to troubleshoot a specific problem.
Discharge Pressures In Refrigeration Systems Article
Using Charts to Determine Discharge Pressure Article with Audio
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Evaluating the performance of a refrigeration system can begin with determining what the discharge pressure should be under a given set of conditions.
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About Jim Johnson
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.
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Additional products
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Evaluating Refrigeration Systems: Troubleshooting & Identifying Problems Video
CourseThis 35-minute video training program discusses the topics of identifying refrigerants, oil compatibility issues, what the suction and discharge pressures should be, and how to use manufacturer’s charging charts.
$28.95
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HVACR Electrical Troubleshooting Deciding Where To Begin Video
CourseThis 30-minute video training program examines several different troubleshooting situations.
$35.95
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Technical Training Associates Subscription
BundleGain access to the entire collection of Technical Training Associates training videos! Jim Johnson is nationally recognized as one of the HVACR & appliance industry’s best-known technical writers & instructor.
$29.95 / month