This course is aimed at persons who wish to obtain a better understanding of how the Refrigeration cycle operates and functions and covers the installing and repairing these smaller units and covers amongst other things:

Course Duration:

  • 10 Days

Target Market:

  • Any person wanting to enter the refrigeration industry

Target Industries:

  • Refrigeration Industries, Electrical Contracting

Course Outcomes:

  • Introduction to Refrigeration including related tools
  • Swaging and flaring of copper tubing including welding thereof
  • Replacement of Compressors including electrical circuitry
  • Charging of small domestic type Refrigerators and Freezers
  • Commissioning and general fault finding


Recommended Entry Criteria

  • 2-year experience in the Electrical Industry.

Documents required for Enrolment

  • Application Form
  • Proof of 1 years’ relevant experience in the relevant industry
  • Certified ID
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Trade Specific Tools:

  • Gauge Manifolds
  • Swaging and Flaring Kit
  • Pipe Cutter
  • Pinch off tool

Copper to Copper Welding:

  • Performing a swage on ¼” copper pipe
  • Performing a flare on ¼” Copper pipe
  • Performing copper to copper weld
  • Performing copper to steel Brazing

Understanding basic thermodynamics:

  • 5 Laws of refrigeration

Components of the small Domestic refrigerator & freezer and how they function:

  • Compressor
  • Condenser
  • Evaporator
  • Capillary tube
  • Thermostat
  • Hot Gas Defrost

Charging the systems:

  • Evacuation of the system
  • Vapour Charge
  • Liquid Charge
  • Critical Charge


  • Inspect for visible defects;
  •  Operate and test electrical circuitry;
  •  Operate and test refrigeration circuitry;
  • Locate faulty component or defect;
  • Specify components and materials. Input Faults
  •  Repair Faults

Commission the small Refrigerator and freezer Unit:

  • Operate and assess the unit;
  • Approve or reject the unit