REFRIGERATION/ AIR CONDITIONING/ VENTILATION MECHANIC
Name of Sector Refrigeration & Air Conditioning Name of Module Refrigeration /Air conditioning /Ventilation Mechanic
Minimum Age 18 Years Duration of Course 6 Months
ADU Code REF 702

Degree in Mechanical Engineering with one year Experience

(OR)

Diploma in Mechanical Engineering with two year Experience

(OR)

NTC/ NAC in RAC Trade with three years of Experience



1. Familiarization of refrigeration tools, Instruments & Equipments.

2. Familiarize electrical controls used in refrigerator.

3. Identify electrical circuits used in refrigerator.

4. Trace the faults in refrigerator electrical controls.

5 .Test and replace electrical controls such as relay, OLP, thermostat, Door switch.

6. Familiarize electrical controls used in No Frost Double Door refrigerator.

7. Identify electrical circuits used in No Frost Double Door refrigerator.

8. Trace the electrical controls faults in No Frost Double Door refrigerator.

9. Test and replace electrical controls such as relay, OLP, thermostat, Door switch, Defrost heater, timer, Bimetal thermo.

10. Familiarize electrical controls used in Bottle cooler.

11. Identify electrical circuits in Bottle cooler.

12. Trace the faults in Bottle cooler.

13. Test and replace electrical controls such as relay, OLP, thermostat in Bottle cooler.

14. Familiarize electrical controls used in Deep Freezer.

15. Identify electrical circuits in Deep freezer.

16. Trace the electrical controls faults in Deep Freezer.

17. Test and replace electrical controls used in Deep Freezer.

18. Familiarize electrical controls used in Window Air Conditioner.

19. Identify electrical circuits in Window Air Conditioner.

20. Trace the electrical controls faults in Window Air Conditioner.

21. Test and replace electrical controls used in Window Air Conditioner.

22. Familiarize electrical controls used in Split Air Conditioner.

23. Identify electrical circuits in Split Air.

24. Trace the electrical controls faults in Split Air Conditioner.

25. Test and replace electrical controls used in Split Air Conditioner.

26. Familiarize electrical controls used in Package Air Conditioner.

27. Identify electrical circuits in Package Air Conditioner.

28. Trace the electrical controls faults in Package Air Conditioner.

29. Test and replace electrical controls used in Package Air Conditioner.

30. Familiarize electrical controls used in Central Air Conditioning Plant.

31. Identify electrical circuits in Central Air Conditioning Plant.

32. Trace the electrical controls faults in Central Air Conditioning Plant.

33. Test and replace electrical controls used in Central Air Conditioning Plant.



Underpinning Knowledge (Theory) Practical Competencies
  • Safety Precautions, study the function and working of refrigeration tools, Instruments & Equipments.
  • Introduction to electric controls used in Refrigeration / Air Conditioning / Ventilation.
  • Study the electric circuit systems in Refrigerator.
  • Study the function, working, application of relays, OLP, thermostat, Door switch.
  • Study the electrical controls used in refrigerator.
  • No Frost Refrigerator Electrical control systems.
  • Common faults and remedies occur in No Frost Refrigerator Electrical control systems.
  • Testing procedure of relay, OLP, thermostat, Door switch, Defrost heater, timer, Bimetal thermo.
  • Study the electric circuit systems of Bottle Cooler.
  • Study the function, working, application of relays, OLP, thermostat, capacitors used in Bottle Cooler..
  • Study the electrical controls used in Bottle Cooler.
  • Electrical control systems in Bottle Cooler.
  • Common faults and remedies occur in Bottle Cooler Electrical control systems.
  • Study the electric circuit systems of Deep Freezer.
  • Study the function, working, application of relays, OLP, thermostat, capacitors used in Bottle Cooler..
  • Study the electrical controls used in Deep Freezer.
  • Electrical control systems in Deep Freezer.
  • Common faults and remedies occur in Deep Freezer.
  • Electrical Controls used in Window A.C
  • Function, Construction, working of Selector switch, capacitors, OLP, Heaters, Oscillating motors, Thermostat , Relays used in Window A.C
  • Study the electrical controls used in Split Air Conditioner.
  • Faults and Remedies in Split A.C Electrical Controls.
  • Study the construction and working of electrical controls used in Split Air conditioner.
  • Package Air Conditioner Electrical Controls.
  • Central Air Conditioning Plant electrical controls such as Low pressure Cut Out , H P Cut Outs, Oil pressure cut outs, Solenoid Valve, Starters, Electronic control expansion valves, its working & function.
  • Familiarization of refrigeration tools, Instruments & Equipments.
  • Familiarize electrical controls used in refrigerator.
  • Identify electrical circuits used in refrigerator.
  • Trace the faults in refrigerator electrical controls.
  • Test and replace electrical controls such as relay, OLP, thermostat, Door switch.
  • Familiarize electrical controls used in No Frost Double Door refrigerator.
  • Identify electrical circuits used in No Frost Double Door refrigerator.
  • Trace the electrical controls faults in No Frost Double Door refrigerator.
  • Test and replace electrical controls such as relay, OLP, thermostat, Door switch, Defrost heater, timer, Bimetal thermo.
  • Familiarize electrical controls used in Bottle cooler.
  • Identify electrical circuits in Bottle cooler.
  • Trace the faults in Bottle cooler.
  • Test and replace electrical controls such as relay, OLP, thermostat in Bottle cooler.
  • Familiarize electrical controls used in Deep Freezer..
  • Identify electrical circuits in Deep freezer.
  • Trace the electrical controls faults in Deep Freezer.
  • Test and replace electrical controls used in Deep Freezer.
  • Familiarize electrical controls used in Window Air Conditioner.
  • Identify electrical circuits in Window Air Conditioner.
  • Trace the electrical controls faults in Window Air Conditioner.
  • Test and replace electrical controls used in Window Air Conditioner.
  • Familiarize electrical controls used in Split Air Conditioner.
  • Identify electrical circuits in Split Air Conditioner.
  • Trace the electrical controls faults in Split Air Conditioner.
  • Test and replace electrical controls used in Split Air Conditioner.
  • Familiarize electrical controls used in Package Air Conditioner.
  • Identify electrical circuits in Package Air Conditioner.
  • Trace the electrical controls faults in Package Air Conditioner.
  • Test and replace electrical controls used in Package Air Conditioner.
  • Familiarize electrical controls used in Central Air Conditioning Plant.
  • Identify electrical circuits in Central Air Conditioning Plant.
  • Trace the electrical controls faults in Central Air Conditioning Plant.
  • Test and replace electrical controls used in Central Air Conditioning Plant.