HVAC Commercial Refrigeration Diagnostics Mastery | EXAMPREP.ORG

HVAC Commercial Refrigeration Diagnostics Mastery


Learn how to analytically uncover and address the most common issues with commercial refrigeration systems. Improve your skills as a technician and stay abreast of the latest tools and equipment in commercial refrigeration.


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Additional Services

There are no specific requirements for this course. Diagnosing 11 common system  problems and 1 normal system. In this workshop we will be using a diagnostic chart for each service problem by getting system pressures along with superheat/subcooling.

Learn how to analytically uncover and address the most common issues with commercial refrigeration systems. Improve your skills as a technician and stay abreast of the latest tools and equipment in commercial refrigeration.

The Commercial Refrigeration Diagnostics Mastery workshop uses organized methods of troubleshooting. In this class, we'll cover the following:

  • Review of “normal” High Side conditions and “normal” Low Side conditions

  • Diagnosing system components

  • Diagnosing 11 common system problems 

  • How to organize your troubleshooting to be more effective and efficient

  • How to listen to the customer and interpret their observations

  • How to use all your senses (sight, touch, small, and hearing) to diagnose issues

  • How to be logical and analytical, using if/then thinking to methodically uncover the root of HVAC system issues 


 

Class Length

1/2 Day Course

Format:

In-Person Only

In-Class Hours

4

CEU Credits

4


 

 

Important Contacts

To apply for a license, contact:

Tennessee Board for
Licensing Contractors
500 James Robertson Pkwy, 1st Floor
Nashville, TN 37243-1150
615-741-8307
www.tn.gov/commerce
PSI Licensure : Certification
3210 E. Tropicana
Las Vegas, NV 89121
(800) 733-9267
(702) 932-2666 Fax
www.psiexams.com
This is a troubleshooting class for local contractors to help diagnose issues that commonly occur. There is no reciprocity for this course.
This course does not count as Continuing Education credit

There is no exam required. 

This workshop pertains to Diagnosing 12 Commercial System Problems (TEV and Fixed Metering Devices) is using organized methods of troubleshooting. Review of “normal” High Side conditions. Review of “normal” Low Side conditions. Diagnosing system components. Diagnosing 11 common system problems and 1 normal system operation. Organized troubleshooting, know the system. What is it supposed to be doing? Listen to the customer, their observations are very important. Use all your senses, look, touch, smell, and listen. Be logical and analytical, use “If…then…” thinking. “Network”, get input from other techs, or the manufacturer. In this workshop we will be using a diagnostic chart for each service problem by getting system pressures along with superheat/subcooling.

American Contractors offers a 4 hour course to Diagnose 12 Commercial System Problems. Topics covered include : Undercharge of refrigerant, Overcharge of refrigerant, Dirty condenser, Air in the system, Inefficient compressor, Restricted metering device, Restriction in the liquid line after the receiver, Restriction in the liquid line before the receiver, Dirty or iced evaporator, dirty filter, or low air flow, Low ambient control problem, Flooding TEV and Normal operation

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