Purpose

This course is aimed at those who have gained experience in the domestic market and wish tofurther their careers into the Commercial Refrigeration Industry

Course Duration:

• 10 Days

Target Market:

• Any person wanting to enter the refrigeration industry,

Target Industries:

• Refrigeration Industries, Electrical Contracting,

Course Outcomes:

• Introduction to Commercial Refrigeration
  
• Heat Load Calculations
  
• Piping the units including Insulation
  
• Evacuation and Charging systems
  
• Understanding and setting Valve and system Superheat
  
• Electrical wiring of the Cold & Freezer Rooms Single Phase
  
• Commissioning and general fault finding

Modules:

Piping the Cold freezer Rooms:

• Discharge side
  
• Suction line
  
• Insulation

Understanding thermodynamics including superheat:

• Valve Superheat
  
• System Superheat
• Evaporator TD

Components of the Commercial Cold Room /Freezer Room and how they function:

• Compressor
  
• Condenser
  
• Evaporator
  
• Expansion Valves
  
• Drier
• Sight glass
  
• LP/HP Switch
  
• Service Valves
  
• Solenoid Valve
  
• Thermostat
  
• Defrost Timer
  
• Condenser /Evaporator Fans

Charging the systems:

• Evacuation of the system
  
• Vapour Charge
  
• Liquid Charge
  
• Bomb Charging

Electrical wiring of the Cold & Freezer Rooms Single Phase

Fault-finding:

• 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 Refrigerator Unit

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