L All Vocational Ed Infra Sector: Infrastructure S.No Specialization … · · 2014-07-07Sector:...

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L_All_Vocational_Ed_Infra

Sector: Infrastructure

S.No Specialization Page No.1 Refrigeration and Maintenance 2-152 Air Conditioning 16-36

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NATIONAL VOCATIONAL EDUCATION QUALIFICATION FRAMEWORK

SECTOR: INFRASTRUCTURE

SPECIALIZATION: REFRIGERATION and MAINTENANCE

S.No. Certificate Level Vocational Hours

1. Level-I 200 hrs2. Level-II 250 hrs3. Level-III 350 hrs4. Level-IV 350 hrs5. Level-V 500 hrs6. Level-VI 550 hrs7. Level-VII 750 hrs

Certificate Level – I

1. TOOLS : TOOLS USAGE

2. REFRIGERATION SYSTEM: IDENTIFY DIFFERENT COMPONENTS (Relevant topic to be taken

from the table) (REF101)

3. USE OF THERMOMETER (Relevant topic to be taken from the table) (REF101)

(REF101)

Practical Competencies Underpinning Knowledge (Theory)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

Importance of safety General precaution

General refrigeration & Air Conditioning

Tools & Equipments used

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

3

• 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

Basic Electricity

Current, Potential difference, Resistance &

its unit.

Series Circuit

Parallel Circuit.

Use of Voltmeter, ammeter, Multi meter.

Different types of Electric motor used.

4

Certificate Level – II

1. TOOLS USAGE

2. USE OF VOLTMETER , AMMETER AND MULTIMETER (Relevant topic to be taken from the table) (REF101)

3. IDENTIFY SERIES AND PARALLEL CIRCUITS (Relevant topic to be taken from the table) (REF101)

(REF101)






, Sealed )


• Evaporator





• Volt meter

• Ammeter

• Ohmmeter

• Multi meter













Compressor

Condenser

Evaporator

Expansion Devise


above

Basic Electricity


its unit.

Series Circuit

Parallel Circuit.



5

Certificate Level – III

1. TOOLS USAGE

2. MEASUREMENT PRECTICE: VOLTAGE, CURRENT, RESISTANCE (Relevant topic to be

taken from the table) (REF101)

3. IDENTIFY VARIOUS ELECTRIC MOTORS (Relevant topic to be taken from the table)

(REF101)

(REF101)






, Sealed )


• Evaporator





• Volt meter

• Ammeter

• Ohmmeter

• Multi meter













Compressor

Condenser

Evaporator

Expansion Devise


above

Basic Electricity


its unit.

Series Circuit

Parallel Circuit.



6

Certificate Level – IV

1. TOOL USAGE

2. SERVICE: REFRIGERATOR AND DEEP FREZER (Relevant topic to be taken from the table)(REF101,REF202)

3. FAULT FINDING IN REFRIGERATOR (Relevant topic to be taken from the table)(REF101,REF202)

4. FAULT FINDING IN DEEP FREZER

(REF101)






, Sealed )


• Evaporator





• Volt meter

• Ammeter

• Ohmmeter

• Multi meter













Compressor

Condenser

Evaporator

Expansion Devise


above

Basic Electricity


its unit.

Series Circuit

Parallel Circuit.



7

(REF 202)


Identify of tools & equipments

Cut, Flare, Swag, Braze

• Prepare joints before brazing

• Flare & Swag copper pipes

• Braze

Practice measuring, Voltage, Current,

Resistance

• Measure current, Potential difference,

Resistance

• Check series of the compressor with the

help of test lamp and Multi meter

Check resistance, Diode, Relay,

thermostat, OLP etc.

• Refrigerator & deep freezer wiring

practices

• Refrigeration wiring

• Deep freezer wiring

Service of Refrigerator & deep freezer

• Replacement of Components

• Flush, Vaccumise & Gas Charging

Performance testing

Trouble Shooting & Performance of

Refrigerator & Deep freezer

• Fault finding in refrigerator

• Fault finding in Deep freezer.




Refrigeration cycle

• Various factors in a Refrigeration cycle,

• unit of Refrigeration

• Gas transforms from one state to another in a

refrigeration cycle

• De frosting system

Handling of Gases & Gauges

• Pressure Gauge , Compound Gauge

• Handling of different gases in workshop

Identification of components used in Air

conditioning

• Electrical components used in Window Ac unit

• Electrical Components used in Split Ac unit

• Electrical components used in Remote window

Ac

• Electrical Components used in Remote split Ac

• Type of Fan/ Blower Motors used in Window &

split ac units

Knowledge about checking & Measuring

resistance, Current, Potential difference, using

instruments such as Multi meter, Clamp Meter,

Ampere meter, Volt meter.

The units of current, Potential difference ,

resistance

Different Electrical & electronic components

used in Refrigerator & deep freezer such as

Relay, overload protector, thermostat etc.

Different Wiring circuits

• General Electrical wiring

• Refrigerator wiring


Good Service procedure using CFC & Non CFC Refrigerants

• Recovery of Gases

• Various Good service Procedure used in

R&Ac

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Certificate Level – V

1. TOOLS USAGE

2. SERVICE/REPAIR OF THE WATER COOLER (Relevant topic to be taken from the table)(REF101,REF202)

3. GAS CHARGING (Relevant topic to be taken from the table)(REF101,REF202)

4. PERFORMANCE TESTING (Relevant topic to be taken from the table)(REF101,REF202)

(REF101)






, Sealed )


• Evaporator





• Volt meter

• Ammeter

• Ohmmeter

• Multi meter













Compressor

Condenser

Evaporator

Expansion Devise


above

Basic Electricity


its unit.

Series Circuit

Parallel Circuit.



9

(REF 202)






• Braze


Resistance


Resistance






practices






Performance testing








Refrigeration cycle




refrigeration cycle






conditioning




Ac



split ac units






resistance











R&Ac

10

Certificate Level – VI

1. TOOLS USAGE2. SERVICE/REPAIR OF THE BOTTLE COOLER (Relevant topic to be taken from the table)

(REF101,REF202,REF203)

3. GAS CHARGING (Relevant topic to be taken from the table)

(REF101,REF202,REF203)

4. PERFORMANCE TESTING

(REF101)






, Sealed )


• Evaporator





• Volt meter

• Ammeter

• Ohmmeter

• Multi meter













Compressor

Condenser

Evaporator

Expansion Devise


above

Basic Electricity


its unit.

Series Circuit

Parallel Circuit.



11

(REF 202)






• Braze


Resistance


Resistance






practices






Performance testing








Refrigeration cycle




refrigeration cycle






conditioning




Ac



split ac units






resistance











R&Ac

12

(REF 203)

Practical Competencies Underpinning Knowledge (Theory)

Familiarization of Safety Procedures

Identification of tools & equipments



• Flare & Swage copper pipes

• Braze

Practice measuring, Voltage, Current, Resistance

• Measure current, Potential

difference, Resistance

• Check series of the compressor with the help

of test lamp and Multi meter

Service/Repair of Water Cooler

• The Appliance Assessing

• Components replacing

• Unit repairing

• Gas charging (steps Involved)

• Performance testing

Bottle Coolers &Water Cooler wiring

Service/Repair of Bottle Cooler

• Repair of Bottle cooler


• Gas charging


Service /Repair of Water Cooler

• Water cooler Repairing


• Gas Charging

• Performance Test

Trouble Shooting

• Fault finding of electrical parts

• Fault finding of Water Cooler

• Fault finding of the Bottle Cooler

• Fault finding in performance of unit



& Tools & Equipments used

Refrigeration cycle


• Unit of Refrigeration

• Gas transforms from one state to another

in a refrigeration cycle




Identification of components used in Water Cooler

& Bottle Cooler

• Electrical components used in Water Cooler

• Electrical Components used in Bottle Cooler

• Fan Motors



instruments such as Multimeter, Clamp Meter,



resistance

Various Good service Procedure used

in

Repairing Refrigeration units

• Recovery of gases

• Cleaning

• Flushing

• Repairing

• Leak testing

• Vacuuming

• Gas charging

• Pinching


13

Certificate Level – VII

1. TOOLS USAGE

2. RECOVERY OF GASES: CLEANING, FLUSHING(REF101,REF202,REF203)

3. LEAK TESTING(REF101,REF202,REF203)

4. TROUBLE SHOOTING(REF101,REF202,REF203)

5. PERFORMANCE TEST(REF101,REF202,REF203)

(REF101)






, Sealed )


• Evaporator





• Volt meter

• Ammeter

• Ohmmeter

• Multi meter













Compressor

Condenser

Evaporator

Expansion Devise


above

Basic Electricity


its unit.

Series Circuit

Parallel Circuit.



14

(REF 202)






• Braze


Resistance


Resistance






practices






Performance testing








Refrigeration cycle




refrigeration cycle






conditioning




Ac



split ac units






resistance











R&Ac

15

(REF 203)

Practical Competencies Underpinning Knowledge (Theory)





• Flare & Swage copper pipes

• Braze


• Measure current, Potential

difference, Resistance


of test lamp and Multi meter

Service/Repair of Water Cooler

• The Appliance Assessing

• Components replacing

• Unit repairing

• Gas charging (steps Involved)


Bottle Coolers &Water Cooler wiring

Service/Repair of Bottle Cooler

• Repair of Bottle cooler


• Gas charging


Service /Repair of Water Cooler

• Water cooler Repairing


• Gas Charging

• Performance Test

Trouble Shooting

• Fault finding of electrical parts

• Fault finding of Water Cooler

• Fault finding of the Bottle Cooler

• Fault finding in performance of unit



& Tools & Equipments used

Refrigeration cycle


• Unit of Refrigeration






Identification of components used in Water Cooler

& Bottle Cooler

• Electrical components used in Water Cooler

• Electrical Components used in Bottle Cooler

• Fan Motors



instruments such as Multimeter, Clamp Meter,



resistance

Various Good service Procedure used

in

Repairing Refrigeration units


• Cleaning

• Flushing

• Repairing

• Leak testing

• Vacuuming

• Gas charging

• Pinching


16

NATIONAL VOCATIONAL EDUCATION QUALIFICATION FRAMEWORK

SECTOR: INFRASTRUCTURE

SPECIALIZATION: AIR CONDITIONING

S.No. Certificate Level Vocational Hours

8. Level-I 200 hrs9. Level-II 250 hrs10. Level-III 350 hrs11. Level-IV 350 hrs12. Level-V 500 hrs13. Level-VI 550 hrs14. Level-VII 7500 hrs

Certificate Level – I

1. TOOLS : TOOLS USAGE

2. AIR-CONDITIONING SYSTEM: IDENTIFY DIFFERENT COMPONENTS

(REF101)

3. USE OF THERMOMETER

(REF101)





• Compressor ( open type, Semi sealed ,

Sealed )


• Evaporator





• Volt meter

• Ammeter

• Ohmmeter

• Multi meter










Compressor

Condenser

Evaporator

Expansion Devise


above

Basic Electricity


its unit.

17




Series Circuit

Parallel Circuit.



18

Certificate – II

1. TOOLS USAGE

2. AIR-CONDITIONING UNIT WIRING

(REF204)

Practical Competencies






• Braze



Resistance

• Check series of the compressor with the help of

test lamp and Multi meter

Test electrical components used in Air Conditioner

• Relay testing, Thermostat, timer, starting capacitor,

running capacitor, over load protector, Fan capacitor,

Fan / blower motor.

• Checking up of Compressor winding

All the A/c. unit wiring

• PSC, CSC, Split Ac With remote & without Remote

wiring

Service of Window type air conditioner

• Fan/ Blower motor service

• Dismantling & assembling the unit

• Replacing of components

• Gas charging system

• Performance Testing

Service of split type air conditioner


• Appliance Assessing

• Unit Dismantling & assembling




Trouble Shooting & performance of Air conditioner

units

• Fault finding in Window Ac

• Fault finding in Split Ac

• Fault finding in Remote window Ac

• Fault finding in Remote split Ac

Air filter unit

Underpinning Knowledge (Theory)

Importance of safety General

precaution

General refrigeration & Air

Conditioning & Tools & Equipments

used

Refrigeration cycle


• Ton of Refrigeration

• Gas transforms from one state to

another in a refrigeration cycle





conditioning



• Electrical components used in Remote

window Ac


• Type of Fan/ Blower Motors used in Window

& split ac units Knowledge about checking &

Measuring resistance, Current, Potential difference,

using instruments such as Multi meter, Clamp

Meter, Ampere meter, Volt meter.


resistance

Different Wiring circuits in Ac

units


• Window type air conditioner

• Split type air conditioner

• Remote window Ac wiring

• Remote Split Ac wiring

Good Servicing procedure


• Cleaning

• Flushing

• Repairing

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• Leak testing

• Vacuuming

• Gas charging

• Pinching


A/C Service procedure & performance testing.

• Cleaning procedure

• Fan motor performance

• Air flow problem

• Condensation problem

• Temperatures Testing


( REF206)

Practical Competencies Familiarization of

Safety Procedures Identify of tools &

equipments




• Braze


Resistance


Resistance


of test lamp and Multimeter

Resistance Checking

• Check compressor winding

Wiring of Ac Plant

• Single phase wiring

• 3 phase wiring

• Cable wiring

• Checking of Starter, switch, electrical

motors, inter locking system/ automation system

of plant.

Service of evaporation unit & condensing unit

• Service of compressor, condenser,

evaporator

• Clean of Cooling tower

• De scale of A/c unit

• Service of plant with charging

• Gas pump down procedure

• Gas Charging procedures


Importance of Safety General

precaution General Refrigration &

Air conditioning tools& equipments

used

Refrigeration cycle

• Various factors in a Refrigeration cycle

• Unit of refrigeration




• Pressure Gauge & Compound Gauge


Knowledge about Checking and

measuring Potential difference, Current,

resistance, using instruments such as

Multimeter, Clamp Meter, Ampere

meter, Volt Meter

• Units of Potential difference,

Current, resistance

• Conductor, Insulator

Identification of Plant A/C components, Plant

A/C system

• Electrical components such as

capacitor, motor, switch,starter,LP

/HP cut out, Solenaid valve etc. in Ac

plant

• Components such as compressor,

condensers, Evaporator, expansion

device, Air handling unit, chiller

system, heat exchanger, cooling

20

Trouble Shooting

• Check water pump

• Problem arises due to high pressure /

low pressure of gas

• Problem arises due to variation in

electric supply on the electrical

components.

• PH value of water

• Visit Air conditioning plant

tower

Different Wiring circuits in Ac plants

• Types of wiring

• single phase wiring

• 3 phase wiring

Plant Servicing, Condenser, Evaporator

Cleaning, Assembling, evacuation,

charging Good Servicing procedure


• Servicing of the Ac plant

• Cooling tower maintenance

• Condenser cleaning

• Evaporator cleaning

• Air Handling unit,

• Heat Exchanger

• Chiller system

• Repair/checking of Electrical components

• Procedure for operation of Central Air

Conditioning Plant

Performance testing., Setting of devices, dry

bulb temperature, wet bulb temperature ,

performance of A/c plant

3. IDENTIFY SERIES AND PARALLEL CIRCUITS

(REF204)







• Braze



Resistance






Fan / blower motor.




wiring



precaution



used

Refrigeration cycle









conditioning




21















units





Air filter unit

window Ac








resistance


units








• Cleaning

• Flushing

• Repairing

• Leak testing

• Vacuuming

• Gas charging

• Pinching









22

Certificate – III

1. TOOLS USAGE

2. MEASUREMENT PRECTICE: VOLTAGE, CURRENT, RESISTANCE

(REF204)







• Braze



Resistance






Fan / blower motor.




wiring















units





Air filter unit



precaution



used

Refrigeration cycle









conditioning




window Ac








resistance


units








• Cleaning

• Flushing

• Repairing

• Leak testing

23

• Vacuuming

• Gas charging

• Pinching









3. TESTING OF ELECTRICAL COMPONENTS IN A.C. UNIT

(REF204)







• Braze



Resistance




• Relay testing, Thermostat, timer, star t ing capacitor,


Fan / blower motor.




wiring














precaution



used

Refrigeration cycle









conditioning




window Ac








resistance


units


24




units





Air filter unit







• Cleaning

• Flushing

• Repairing

• Leak testing

• Vacuuming

• Gas charging

• Pinching









25

Certificate – IV

1. TOOLS USAGE

2. WIRING: WINDOW AIR-CONDITIONING WIRING

(REF204, REF206)

3. DISM ENTALING AND ASSEM BLING THE UNIT

(REF204, REF206)

4. SERVICE : WINDOW AIR-CONDITIONER

(REF204, REF206)

(REF 204)







• Braze



Resistance






Fan / blower motor.




wiring















precaution



used

Refrigeration cycle









conditioning




window Ac








resistance


units



26



units





Air filter unit






• Cleaning

• Flushing

• Repairing

• Leak testing

• Vacuuming

• Gas charging

• Pinching









( REF206)



equipments




• Braze


Resistance


Resistance



Resistance Checking


Wiring of Ac Plant


• 3 phase wiring

• Cable wiring



of plant.





used

Refrigeration cycle












meter, Volt Meter


Current, resistance



A/C system


27



evaporator






Trouble Shooting



low pressure of gas



components.





plant





tower


• Types of wiring


• 3 phase wiring










• Heat Exchanger

• Chiller system



Conditioning Plant




28

Certificate – V

1. TOOLS USAGE

2. DISM ENTALING AND ASSEM BLING THE UNIT

(REF204, REF206)

3. SERVICE: SPLIT AIR-CONDITIONER

(REF204)

4. TOUBLE SHOOTING

(REF204, REF206)

(REF 204)







• Braze



Resistance






Fan / blower motor.




wiring
















precaution



used

Refrigeration cycle









conditioning




window Ac








resistance


units




29


units





Air filter unit





• Cleaning

• Flushing

• Repairing

• Leak testing

• Vacuuming

• Gas charging

• Pinching









( REF206)



equipments




• Braze


Resistance


Resistance



Resistance Checking


Wiring of Ac Plant


• 3 phase wiring

• Cable wiring



of plant.






used

Refrigeration cycle












meter, Volt Meter


Current, resistance



A/C system



30


evaporator






Trouble Shooting



low pressure of gas



components.




plant





tower


• Types of wiring


• 3 phase wiring










• Heat Exchanger

• Chiller system



Conditioning Plant




31

Certificate – VI

1. TOOLS USAGE

2. SERVICE OF EVAPORATION UNIT

(REF204, REF206)

3. RETROFITTING: CAR AIR-CONDITIONER

(REF204, REF206)

4. TROUBLE SHOOTING

(REF204, REF206)

(REF 204)







• Braze



Resistance






Fan / blower motor.




wiring
















precaution



used

Refrigeration cycle









conditioning




window Ac








resistance


units



32


units





Air filter unit






• Cleaning

• Flushing

• Repairing

• Leak testing

• Vacuuming

• Gas charging

• Pinching









( REF206)



equipments




• Braze


Resistance


Resistance



Resistance Checking


Wiring of Ac Plant


• 3 phase wiring

• Cable wiring



of plant.





used

Refrigeration cycle












meter, Volt Meter


Current, resistance



A/C system


33



evaporator






Trouble Shooting



low pressure of gas



components.





plant





tower


• Types of wiring


• 3 phase wiring










• Heat Exchanger

• Chiller system



Conditioning Plant




34

Certificate Level – VII

1. TOOLS USAGE

2. WIRING OF A.C.PLANT(REF204, REF206)

3. SERVICE OF EVAPORATION AND CONDENSING UNIT(REF204, REF206)

4. TROUBLE SHOOTING(REF204, REF206)

(REF 204)







• Braze



Resistance






Fan / blower motor.




wiring
















precaution



used

Refrigeration cycle









conditioning




window Ac








resistance


units



35


units





Air filter unit






• Cleaning

• Flushing

• Repairing

• Leak testing

• Vacuuming

• Gas charging

• Pinching









( REF206)



equipments




• Braze


Resistance


Resistance



Resistance Checking


Wiring of Ac Plant


• 3 phase wiring

• Cable wiring



of plant.





used

Refrigeration cycle












meter, Volt Meter


Current, resistance



A/C system


36



evaporator






Trouble Shooting



low pressure of gas



components.





plant





tower


• Types of wiring


• 3 phase wiring










• Heat Exchanger

• Chiller system



Conditioning Plant




L All Vocational Ed Infra Sector: Infrastructure S.No Specialization … · · 2014-07-07Sector:...

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Transcript of L All Vocational Ed Infra Sector: Infrastructure S.No Specialization … · · 2014-07-07Sector:...