Oil in Refrigeration and AC Systems

0
Certificate

Paid

Language

Level

Intermediate

Access

Free

Last updated on June 24, 2026 9:31 am

This detailed free course covers every aspect of oil management in refrigeration and air conditioning systems like leaks, contamination and ODP GWP measures.

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This free online course on oil in refrigeration and air-conditioning (AC) systems teaches you about safety devices on refrigeration plants and compressors, types of leak tests and electronic leak detectors. You will learn about three basic methods of refrigerant recovery and defrosting, and be able to explain the detrimental effects of oil in a system.

What You Will Learn In This Free Course

  • Describe the ventilation systems use…
  • Analyze the difference between natur…
  • Describe the basic layout of a direc…
  • Discuss the principle of direct and …
  • Describe the ventilation systems used onboard
  • Analyze the difference between natural and mechanical ventilation
  • Describe the basic layout of a direct expansion system
  • Discuss the principle of direct and indirect expansion systems
  • Describe the working principle of an air-conditioning (AC) system
  • Evaluate the use of psychrometric charts in managing the AC system
  • Describe the types of refrigerants used in a reefer
  • Evaluate the management of oil return in single and multi-compressor systems
  • Discuss how oil contaminates a reefer and its detrimental effects on plant performance
  • Safety and Handling Oil in A/C Systems

    In this module, you will be introduced to the safety devices used to protect the operation of a reefer plant, types of leak tests, as well as single and multiple compressor systems. You will also be introduced to the key functions of oil in a reefer system, the detrimental effects of oil in a system, reasons for defrosting, as well as testing of the compressor discharge and suction valves.

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      Oil in Refrigeration and AC Systems
      Oil in Refrigeration and AC Systems
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