Refrigeration – HRC17

Duration: 5 Days

  • Recall basic refrigeration systems and identify the major components and state their uses.
  • Pump down a system.
  • Evacuate refrigeration systems.
  • Charge refrigeration systems with refrigerant and oil.
  • Recall the different types of refrigerants.
  • Recall the various terms used in the refrigeration industry.
  • Identify the following types of expansion devices and controls – capillary tubes, automatic expansion valves (with internal and external equaliser), distributors, thermostats, pressure switches, oil pressure safety controls and pressure relief devices.
  • Recall the principles of operation of the following types of expansion devices and controls-
    capillary tubes, automatic expansion valves (with internal and external equaliser), distributors, thermostats, pressure switches, oil pressure safety controls and pressure relief devices.
  • Overhaul, adjust and maintain the following types of expansion devices and controls – capillary tubes, automatic expansion valves (with internal and external equaliser), distributors, thermostats, pressure switches, oil pressure safety controls and pressure relief devices.
  • Carry out a pressure test on equipment/plant.
  • Commission refrigeration equipment/plant.
  • Clean contaminated systems.
  • Recall all the effects of moisture in a system.
  • Recall all effects of air in a system.
  • Diagnose faults due to partial and complete blockage in a system.
  • Recall the requirements for refrigeration oils.

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