On-site Training

Refrigeration Overview & Update

  • 8:00am - 4:30pm

This class will cover the new EPA Refrigerant law changes!

After an overview of a typical refrigeration cycle, there will be a discussion on how various problems impact the operation and pressures in the refrigeration system.  The changes to the trade resulting from EPA regulations are covered, including refrigerant phase-out and their typical replacements, work with blends and R-410A, service procedures to meet the new regulations, procedures for using the new refrigerants and oils and the new machine room requirements.  Typical service procedures are covered, including using the manifold gauges, TP chart, leak detection, seasonal startup, pumping the system down, refrigerant recovery, pressurizing the system, evacuation and adding refrigerant. Included also in this class:

  • The refrigeration cycle; its components, standard pressures and operational characteristics
  • Description of the effects that ozone depletion has had on the refrigeration trade
  • The CFC and HCFC phase-out schedule and list the typical replacement refrigerants
  • Description of working with new refrigerant blends, R-410A and oils
  • Description of the common safety precautions while working with refrigerants
  • Description of EPA service regulations that impact the HVAC/R technician
  • List the documentation the technician should prepare and maintain
  • Descrription of the procedure for performing a seasonal start-up of a typical system
  • Demonstration of the use of the manifold gauges and T-P chart to analyze system operation
  • Description of the various leak detection methods
  • Description of the procedure for pumping a system for leak detection
  • Description of the procedure for recovering the system's refrigerant charge
  • Description of how to pressurize a system for leak detection
  • Descptrion of how evacuate a system after a repair
  • Description of how charge a typical air conditioning refrigeration system
  • Descriptoin of the new machine room requiements and how to handle a major refrigerant leak

Save 10%! Register by March 6 and pay $292.50

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