MODULES

1. NAME : Basic Refrigeration & Air Conditioning

2. SECTOR : Refrigeration & Air Conditioning

3. CODE : REF 101

4. Entry Qualification : Minimum V standard & 14 years of age

5. DURATION : 120 Hrs

 

6. TERMINAL COMPETENCY

After the completion of the course, the participants would be able to :

• Handle the basic Tools & equipments in the workshop with safety

• Upkeep the workshop Tools & equipment

• Identify the main mechanical components & electric motors used in RAC trade

• Maintain the inventory

• Install of refrigerator and room air conditioner

• Service of refrigerator and room air conditioner

 

8. CONTENT

Practical Competencies

Familiarization of Safety Procedures

Identify tools & equipments

Care and Maintenance

Identify different type of :

• Compressor ( open type, Semi sealed ,

Sealed )

• Condenser ( air cooled/ Water cooled)

• Evaporator

• Expansion device

• Use of thermometer

• Gauges( Compound & Pressure)

 

Use of measuring instruments such as

• Volt meter

• Ammeter

• Ohmmeter

• Multi meter

• Series and Parallel Connection

 

Test of open & Short Circuit

• Identify of various electric motors

Service & installation of Refrigerator & Air

Conditioner, Bottle Cooler, Water Cooler

Importance of safety General precaution

General refrigeration & Air Conditioning

Tools & Equipments used

 

Underpinning Knowledge (Theory)

Heat , Temperature, Pressure

Unit of heat, temperature & Pressure

Use of pressure gauge, thermometer

 

Refrigeration System

Compressor

Condenser

Evaporator

Expansion Devise

Different types of all components as stated above

 

Basic Electricity

Current, Potential difference, Resistance & its unit.

Series Circuit

Parallel Circuit.

Use of Voltmeter, ammeter, Multi meter.

Different types of Electric motor used.

 

9. List of Tools & equipment by which experiments are to be conducted

1) Screw driver

2) Line tester

3) File

 4) Hammer

5) Drilling Machine

6) Pliers,

7) Crimping Tool

 8) Solder Iron

9) ampere meter

10) volt meter

11) Megger

12) Multi meter

13) Dry bulb & wet bulb thermometer

14) Tube cutter

15) Hacksaw

16) Pipe Wrench

17) Torque Wrench

18) Screw Wrench

19) Vice

20) Snip

21) DE Spanner Set

 22) Ring Spanner Set

23) Swaging tool

24) Oxy Acetylene gas cylinder/Oxy LPG gas cylinder

25) Blow torch

26) Compressor

27) E& C Unit

28) Recovery Machine

29) Gas Mani fold

30) Compound Gauges,

31) Pressure Gauge

32) Empty Cylinder for Refrigerant

33) Nitrogen Cylinder with two stage regulator

34) Halide Torch,

35) Flaring tool set

36) Compressor Condenser

37) Evaporator

38) Expansion device/capillary

39) Different types of Electric Motors