GOVERNMENT OF THE PUNJAB TECHNICAL EDUCATION & VOCATIONAL
TRAINING AUTHORITY
CURRICULUM FOR
HEATING VENTILATION AIR CONDITIONING & REFRIGERATION
(6 – Months Course)
CURRICULUM SECTION ACADEMICS DEPARTMENT
96-H, GULBERG-II, LAHORE Ph # 042-9263055--9, 9263064
[email protected], [email protected]
CURRICULUM FOR
HVACR (6 – Months Course)
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
2
TTRRAAIINNIINNGG OOBBJJEECCTTIIVVEESS::
Industrial development is rapidly increasing with the qualitative products to
meet the requirement of the public demand. There, the trained & skillful
persons play a vital role in the modern era of the industrial growth because of
the increase of technological development all over the world.
This curriculum of six months duration is developed keeping in view the local
job market demand and industrial requirements by more focusing on practical
training along with necessarily required theoretical knowledge.
This curriculum covers the major topics of safety rules, basic electricity,
refrigeration cycle, measuring instruments, servicing, and fault diagnoses &
their troubleshooting, repair & maintenance of direct cool & non-frost
refrigeration, emetics (window type) & split air conditioners along with work
ethics in order to produce the skillful and capable workforce to meet the
present & future demands of the job market.
. CURRICULUM SALIENTS:
Entry Level : Matriculation
Duration of course : 06 - Months
Total Training Hours : 800 Hours
: 40 Hours per week
: 06 days per week
:
7 Hours per Day Except
Friday 5 Hours
Training Methodology : Practical 90%
: Theory 10%
Medium of Instruction : Urdu / English
HVACR (6 – Months Course)
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
3
SKILL PROFICIENCY DETAILS: -
On successful completion of the course, the trainee should be able to:
1. Observe safety rules while dealing with electrical circuits and
refrigeration works etc.
2. Use the tools of HVACR properly
3. Use measurement and testing equipment safely and accurately.
4. Solder the copper tube and their joints.
5. Braze joints the copper tube and their joints.
6. Use the electric motor, .transformer & capacitor properly
7. Repair the following HVACR Equipments.
? Direct cool refrigerator.
? Non-frost refrigerator.
? Domestic air conditioner (window type)
? Split air conditioner.
? Package type air conditioner.
8. Maintain the Log sheets of the units properly.
? Daily
? Weekly
? Quarterly
? Annually
HVACR (6 – Months Course)
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
4
KNOWLEDGE PROFICIENCY DETAILS:
On successful completion of this course, the trainee should be able to: -
1. Explain the safety precautions for working with electrical power supply /
electrical components.
2. Explain the use, care and maintenance of HVACR technician’s tools and
measuring cum testing equipment.
3. Express the electricity theory, AC and DC, electromagnetism, Ohm’s law,
units of electricity, symbols
4. Express the electrical circuits and their properties
5. Describe the capacitor (running, starting and fan capacitor)
6. Describe the transformers.
7. Explain the refrigeration cycle.
8. Explain the compressor.
9. Define the condenser.
10. Define the refrigerant controls.
11. Explain the evaporators.
12. Explain the fans
13. Describe the refrigerants (CFC / HCFC / HFC).
14. Describe the Basic theory, symbols, characteristics and working principles
of:
? Over loads
? Relays
? Thermostat
? Capacitors
? Liquid receivers
15. Define the principles and laws of refrigeration.
16. Define the principles and working of air-conditioner.
17. Express the basic working principle of split air-conditioner
18. Explain the fault-finding and trouble shooting techniques of refrigerator,
air-conditioner, split air-conditioners.
19. Explain the use of environmental friendly techniques.
HVACR (6-Months Course) 5
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
CCUURRRRIICCUULLUUMM DDEELLIIVVEERRYY SSTTRRUUCCTTUURREE
Curriculum
Delivery Revision Co-curricula Activities
Final Test Total
1-20 21 22-25
26
W E E K
20 1 4 1
26
HVACR (6-Months Course) 6
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
SCHEME OF STUDIES Heating Ventilation Air-Conditioning & Refrigeration
(6 - Months Course)
Sr. No. Main Topics Theory
Hours Practical
Hours Total Hours
1. Workshop Practice 10 70 80
2. Measuring & Pipe Fitting 04 60 64
3. Welding 01 12 13
4. Basic electricity 06 46 52
5. Electric Motor, transformer& capacitor 04 16 20
6. Fundamental of Refrigeration 10 37 47
7. Refrigeration Cycle 04 296 300
8. Air Conditioning 01 143 144
9. Technical Mathematics 10 - 10
10. Technical Drawing 10 - 10
11. Functional English 20 20 40
12. Work Ethics - 20 20
Total 80 720 800
HVACR (6-Months Course) 7
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
DDEETTAAIILL OOFF CCOOUURRSSEE CCOONNTTEENNTTSS Heat Ventilation Air-Conditioning & Refrigeration
(6- Months Course)
Sr. No. Detail of Topics Theory
Hours Practical
Hours 1. Workshop Practice
1.1. Introduction (Workshop, Work Place,
Tools)
1.1.1. Order of workplace
1.1.2. Introduction to general tools used in
the metal workshop, their care and
proper use
1.1.3. Safety precautions
1.2. Measuring (General Introduction)
1.2.1. Purpose of measuring and checking
tools
1.2.2. Accuracy of measuring
1.2.3. Linear measuring (steel rules,
calipers, vernier calipers)
1.2.4. Measuring Faults
1.2.5. Care and Maintenance of Measuring
tools
1.3. Marking
1.3.1. Necessity of marking
1.3.2. Common marking tools (scriber, steel
rule, & centre punch)
1.4. Filing
1.4.1. Process of filing
1.4.2. Types of files with regards to cut and
shape
1.5. Sawing
1.5.1. Cutting principle (rake angle)
1.5.2. The saw blade (pitch of teeth, setting
10 70
HVACR (6-Months Course) 8
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
of teeth and tightening the blade in the
frame)
1.6. Drilling
1.6.1. Drilling of thought holes (effect of
movements of the drill, cutting
process)
1.6.2. Main parts (their name and function)
1.6.3. Clamping and removing of twist drills
1.6.4. Drilling faults
1.7. Reaming
1.7.1. Purpose and process of reaming
1.7.2. Types of reamers (Hand reamers,
machine reamers and adjustable
reamers)
1.8. Counter Sinking and Counter boring
1.8.1. Counter sinking tools, purpose and
procedure
1.8.2. Size / No. of Counter bore
1.9. Filing Exercise – I
1.9.1. Filing of Channel
1.10. Marking Exercise
1.10.1. Flat Filing
1.10.2. Marking
1.10.3. Centre Punching
1.11. Filing Exercise – II
1.11.1. Flat Filing
1.11.2. Square Filing
1.12. Sawing Exercise
1.12.1. Sawing and Square Filing within size
1.13. Sheet Metal Box – I
1.13.1. Filing
1.13.2. Marking
1.13.3. Shearing
HVACR (6-Months Course) 9
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
1.14. Drilling Exercise
1.14.1. Marking
1.14.2. Center Punching
1.14.3. Drilling
1.14.4. De burring
2. Measuring, Pipe Fitting
2.1. Purpose of measuring
2.2. Measuring by steel rule, calipers, vernier
calipers and its type
2.3. Use of micrometer, standard wire gauge
2.4. Units of length and angle
2.5. Marking
2.5.1. Marking Tools
2.5.2. Method of marking
2.6. Cutting
2.6.1. Cutting Principals
2.6.2. Types of chisels and hand shears and
their use
2.7. Pipe Fitting
2.7.1. Types of Pipes and material
2.7.2. Pipe wrenches and dies
2.7.3. Types of pipe fitting, cutting and
threading.
2.8. Use of hand tools and safety precautions
2.9. Purpose of measuring
2.10. Accuracy of measuring
2.11. Measuring with steel rule, standard wire gauge
and micrometer
2.12. Use of marking tools
2.13. Methods of marking
2.14. Use of chisels and hand shares
2.15. Types of files
2.16. Use of File (Cuts and shapes)
01
01
01
01
08
12
HVACR (6-Months Course) 10
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
2.17. Cutting and notches of pipe
2.18. Types of pipe and materials
2.19. Use of pipes wrenches and dies
2.19.1. Making of pipe fitting, cutting and
threading
10
08
3. Welding
3.1. Introduction of welding
3.2. Welding Tools and Equipments
3.3. Types of welding (Arc and gas welding)
3.4. Introduction of gases used in gas welding
3.5. Types of flames
3.6. Preparation of flames
3.7. Joining of copper tubes of equal and unequal
sizes with gas welding
01
12
4. Basic Electricity
4.1. Introduction of Electricity
4.2. Structure of Atom and their particles
4.3. Definition of Electric Current,
4.4. Types of Current
4.5. Conductors, Semi conductors and insulators
4.6. First aid and treatment for electric shock
4.7. Circuits
4.8. Introduction of current, volt and resistance and
their units
4.9. Ohm’s law
4.10. Resistance
4.10.1. Depends on, material, length,
cross section area and temperature
4.11. Series circuit, parallel circuit
4.12. Series and parallel circuit
4.13. Power and Energy
4.14. Use of Ampere meter
4.15. Use of voltmeter
01
01
01
01
01
01
10
HVACR (6-Months Course) 11
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
4.16. Use of multimeter
4.17. Use of watt meter
4.18. Measuring of power by different method
4.19. Use of clamp on meter tube light circuit
4.20. Making series connection, parallel and series,
parallel connection
12
24
5. Electric Motor, Transformer and Capacitor
5.1. Electric Motor
5.1.1. Definition
5.1.2. Types of AC / DC Motor
5.1.3. Construction of AC Motor
5.1.4. Single Phase Motor (AC)
5.1.5. Kinds of single phase motor
5.1.6. Split phase induction motor
5.1.7. Capacitor start motor
5.1.8. Capacitor start and run motor
5.1.9. Shaded pole motor
5.1.10. Introduction of three phase motor
5.2. Transformer
5.2.1. Construction of transformer
5.2.2. Types of transformer
5.3. Capacitor
5.3.1. Electric Field
5.3.2. Die Electric
5.3.3. Capacitance
5.3.4. Types of capacitor
5.3.5. Capacitors connection in series and
parallel
5.4. Construction of AC motor
5.4.1. Opening and assembling of AC single
phase motor
5.4.2. Complete the wiring diagram of split
phase induction motor
02
01
01
08
HVACR (6-Months Course) 12
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
5.5. Making connection of capacitor start motor
5.5.1. Making connection of capacitor start
capacitor run motor
5.5.2. Connection of shaded pole motor
5.5.3. Use of shop down, step up and Auto
Transformer
5.5.4. Measuring of transformer output
5.5.5. Methods of capacitors checking
5.5.6. Checking of capacitor with multimeter
5.5.7. Checking of capacitor with series test
board
5.5.8. Use of capacitor analyzer
02
02
06
6. Fundamental of Refrigeration
6.1. Introduction of refrigeration
6.2. Definition of refrigeration
6.3. Scope of refrigeration
6.4. Types of refrigeration
6.5. Mechanical refrigeration
6.6. Heat
6.6.1. Definition of heat
6.6.2. Sensible heat
6.6.3. Latent heat
6.6.4. Units of heat
6.6.5. Heat transfer methods
6.7. Temperature
6.7.1. Definition and measurement of
temperature
6.7.2. Absolute zero temperature
6.7.3. Temperature scales and its
measurement.
6.8. Pressure
6.8.1. Definition and measurement devices
6.8.2. Atmospheric, gauge and absolute
02
02
02
02
01
HVACR (6-Months Course) 13
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
pressure
6.8.3. Vacuum pressure, temperature,
relationship
6.8.4. Dalton law of partial pressure
6.8.5. Pascal’s law
6.8.6. Boyle’s law
6.8.7. Charles law
6.8.8. Gas Law
6.9. Introduction of Brass Fitting
6.10. Introduction of Copper Fitting and Copper Pipe
sizing.
6.11. Flaring of copper Tube
6.12. Use of Flaring and swaging Tools.
6.13. Swaging of Copper Tube.
6.14. Use of Bending Tools (Spring Type and lever
Type Bender).
6.15. Bending of Tube.
6.16. Cutting of Capillary Tube and sizing.
01
01
02
10
06
04
04
04
04
7. Refrigeration Cycle
7.1. Principles of refrigeration.
7.1.1 Law of thermodynamics.
7.1.2 Law of refrigeration.
7.1.3 Basic components of basic refrigeration
cycle.
7.2. Compressor
7.2.1 Definition of compressor.
7.2.2 Types of compressor.
7.2.3 Reciprocating compressor and its parts
7.2.4 Rotary compressor and its parts.
7.2.5 Centrifugal comp and screw.
7.2.6 Type compressor and its parts
7.2.7 Opening of sealed type compressor
7.2.8 Identification of compressor parts
01
01
08
12
HVACR (6-Months Course) 14
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
(reciprocating type, rotary type and
screw type compressor)
7.2.9 Overhauling and assembling of
reciprocating compressor
7.2.10 Overhauling and assembling of rotary
type compressor
7.2.11 Overhauling and assembling of screw
type compressor
7.2.12 Introduction and identification of
centrifugal compressor
7.2.13 Introduction and identification of
centrifugal compressor
7.2.14 Making of gas kit / head plate and
valve plate
7.2.15 Air gap adjustment / Rotor and stator
7.2.16 Checking of terminals (compressors
and motor)
7.3. Condenser
7.3.1 Definition
7.3.2 Types of condenser
7.3.3 Servicing of air and water cooled
condenser.
7.3.4 Servicing of air and water cooled
condenser and its installation
7.3.5 Refrigerant control (AXV and TXV)
7.4. Refrigerant control
7.4.1 Definition
7.4.2 Types of refrigerant control
7.4.3 AXV, TXV,
7.4.4 Capillary tube,
7.4.5 LS Float Valve and HS Float Valve
7.5. Evaporator
7.5.1 Definition
01
01
18
12
08
06
08
08
8
4
4
HVACR (6-Months Course) 15
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
7.5.2 Types of Evaporators according to
construction
7.5.3 Types of evaporators according to
temp.
7.5.4 Servicing and installation of
evaporator water cooler
7.5.5 Definition and electric wiring of water
cooler
7.6. Relays
7.6.1 Identification of current relay and its
checking.
7.6.2 Checking of electronic relay.
7.6.3 Checking of hot wire relay
7.6.4 Checking of potential relay Overload
7.6.5 Identification, Definition and checking
of over load.
7.7. Thermostat.
7.7.1 Definition and checking of thermostat
7.8. Pressure switches
7.8.1 Definition, identification of pressure
switches and its checking
7.9. Water cooler
7.9.1 Definition and electric wiring of water
cooler.
7.10. Deep Freezer
7.10.1 Definition and electric wiring of deep
freezer.
7.10.2 Electric wiring of single door and
double door refrigerator, non frost
refrigerator
7.10.3 Differentiate in direct cool refrigerator
and indirect cool refrigerator
7.11. Gauges
14
8
4
4
4
4
4
4
6
6
8
17
10
HVACR (6-Months Course) 16
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
7.11.1 Use of single compound gauge and
gauge manifold
7.11.2 Gas charging
7.11.3 Leak testing of refrigerator
vacuuming of all type of unit
7.11.4 Gas charging of refrigerator
7.11.5 Gas charging of deep freezer
7.12. Lubricants
7.12.1 Lubricants and its types.
7.12.2 Dil charging
7.13. Troubleshooting of refrigerator
7.14. Troubleshooting of deep freezer
7.15. Troubleshooting of non frost refrigeration
7.16. Checking of compressor efficiency
7.17. Introduction and making of star delta
connection
7.18. Checking of installation of defrost timer
7.19. Pump down the ref unit and replacing the TXV
7.20. Use of technmometer
7.21. Use of Magger meter
6
6
9
6
6
12
6
6
6
6
9
6
12
4
3
8. Air Conditioning
8.1. Fundamental of Air Conditioning
8.2. Definition
8.3. Types of Air conditioning
8.4. Scope of Air conditioning
8.5. Psychometric properties of Air
8.6. Wet Bulb Temp, Dry Bulb Temp, Dew Point
Temp, Absolute / Relative Humidity
8.7. Electric Wiring of window type AC
8.8. Electric Wiring of Split AC
8.9. Installation of Window AC
8.10. Installation of Split AC
8.11. Gas charging of Window AC
1
09
12
10
10
06
HVACR (6-Months Course) 17
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
8.12. Gas charging of split AC
8.13. Introduction of ducts and its installation
8.14. Introduction and installation of Air Filter
8.15. Troubleshooting of Window AC
8.16. Troubleshooting of Split AC
8.17. Introduction of Auto Mobile Air Conditioning
8.18. Introduction of heat load
8.19. Calculation of heat load
8.20. Introduction of valves
8.21. Solenoid Valve
8.22. Hand Expansion valve
8.23. Service Valve
8.24. Introduction of refrigeration Accessories
8.25. Muffler
8.26. Moisture Indicator
8.27. Heat Exchanger
8.28. Oil separator
8.29. Accumulator
8.30. Sight glass
8.31. Vibration Absorber
8.32. King valve
8.33. Relief valve
8.34. Water regulating valve (pressure type)
8.35. Oil pressure control switch
8.36. Liquid Receiver
8.37. Introduction and use of insulating materials
8.38. Introduction of heating methods
8.39. Filling of daily log, monthly, annual log sheets
8.40. Maintenance
8.41. Types of maintenance
8.42. Proactive
8.43. Periodic
8.44. Break down
06
06
06
04
08
06
06
06
08
12
06
07
07
08
HVACR (6-Months Course) 18
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
8.45. Format
9. TECHNICAL MATHEMATICS
9.1. Introduction
Whole numbers
9.1.1. Addition and subtraction
9.1.2. Multiplication and division
9.2. Decimal Fractions
9.2.1. Addition, subtraction
9.2.2. Multiplication, division
9.3. Conversion of Inch to Metric System
9.3.1. Equivalent of one inch in mm
9.3.2. Conversion of dimensions
9.4. Percentages
9.4.1. Meaning of percentage
9.4.2. Changing numbers to percents
9.4.3. Changing percents to decimal and
common fractions
9.5. Fractions
9.5.1. Addition, subtraction of common
fractions
9.5.2. Proper fractions, improper fractions and
mixed numbers
9.5.3. Multiplication and division of fractions
9.6. Decimal System of Measurement
9.6.1. Meter, gram, liter
9.6.2. Multiples and parts of units
9.7. Transposition of Equations
9.7.1. Exchangeable sides of a scale
9.7.2. Addition, Subtraction
9.8. Transposition of Formula
9.8.1. Exercise with simple already known
formula
9.8.2. Multiplication and division
0.5
0.5
0.5
0.5
0.5
0.5
1
1
HVACR (6-Months Course) 19
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
L x h A=
2 9.9. Magnitudes of Current and Voltage
9.9.1. Units and subunits of current,
resistance and voltage
MA KA A mA ? A
M? K? ? m? ? ?
MV KV V mV ? V
9.10. Ohm’s Law
Calculation of current, voltage and resistance V I = –– , V =I x R R V R = ––
I 9.11. Resistance of a Wire
9.11.1. Calculation of R, I, A by applying
formula:
? ? l l R = ––---- ; R = ––---- A ? ? A L l G = ––--- ; s = –– R ?
9.12. Series Connection
9.12.1. I = I1 = I2 = I3
9.12.2. V= V1+V2+V3
9.12.3. R=R1+R2+R3
9.12.4. V1 = V2 = R1 : R2
9.13. Parallel Connection
9.13.1. V = V1 = V2 = V3
9.13.2. I = I 1+I 2+I
9.13.3. I = I + I + I
9.13.4. R R1 R2 R3
9.13.5. G = G1 + G2 + G3
9.13.6. I1 = I2 = R1 = R2
1
1
1
1
1
HVACR (6-Months Course) 20
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
10. Technical Drawing
10.1. Introduction to Technical Drawing
10.1.1. Kinds of lines
10.1.2. Drawing instruments
10.1.3. Lettering exercises
10.2. Symbols of Electrical Circuits
10.2.1. Voltage sources
10.2.2. Switches
10.2.3. Consumers
10.3. Simple Current Path Diagrams
10.4. Single Pole Switch Circuit
10.5. Multi circuit Switch Circuit
10.5.1. Two-Way Switch Circuit
10.5.2. Intermediate Switch Circuit
10.6. Combination of Different Circuits
10.7. Kitchen Installation
10.8. Living room Installation
1
1
1
1
1
1
1
1
1
TOTAL 60 680
HVACR (6-Months Course) 21
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
LIst of Practical 1. Use of hand tools & Safety precautions
2. Use of cutting tools, chisels, hand share, fillers, Drills
3. Process of filling (Cuts and shape)
4. Cutting and Noicher of Pipe
5. Procedure of Drilling
6. Bending Tools
7. Use of bending Machine and rolling machine
8. Use of Hammers and Mallets Pipe Fitting
9. Pipe Fitting cutting and threading
10. Use of tube cutter, pipe cutter and wire cutters
11. Use of Flaring tools, swaging tools and bending tools welding
12. Arc & gas welding
13. Joining of Copper Tubes of Equals & unequal sizes with gas welding
14. Basic Electricity
15. Connection of single pole switch with one lamp
16. Series Circuit
17. Parallel Circuit
18. Series and Parallel Circuit
19. Series and Parallel Test Board Circuit
20. Tube Light Connection
21. Use of Volt, Amp and Watt Metter
22. Use of Multi meter
23. Use of Clump on meter
24. Transformer and Capacitor
25. Use of Transformer and measuring of output
26. Checking of capacitor
27. Introduction of Brass Fitting
28. Introduction of Copper Fitting and Copper Pipe Sizing
29. Flaring of Tube
30. Swaging of Tube
HVACR (6-Months Course) 22
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
31. Bending of Tube
32. Cutting of Capillary Tube and Sizing
33. Compressor
34. Opening of Sealed Type Compressor
35. Identification of Compressor Parts (All Types)
36. Overhauling and Assembling of Reciprocating Compressors (Sealed, Open
Type, Semi Sealed)
37. Over hauling and assembling of Rotary compressor
38. Over hauling and assembling of screw type compressor
39. Introduction of centrifugal compressor
40. Air Gap adjustment / Rotor and stator
41. Checking of terminals (compressor & motors)
42. Relays
43. Identification of current relay and its checking
44. Checking of Electric relay
45. Checking of Hot wire relay
46. Checking of Potential relay
47. Overload
48. Identification of Overload and its checking
49. Checking of thermostat
50. Pressure switches
51. Identification of pressure switches and it’s checking
52. Electric wiring of single and double door refrigerator
53. Servicing of Air cooled condenser and water cooled condenser
54. Servicing of Evaporator
55. Installation of Air cooled condenser
56. Installation of Evaporator
57. Electric Wiring of Water Cooler
58. Electric Wiring of Deep Freezer
59. Electric Wiring of Non Frost Refrigerator
60. Electric Wiring of Window AC
61. Electric Wiring of Split AC
62. Installation of Window AC
63. Installation of Split AC
HVACR (6-Months Course) 23
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
64. Lubricants and its types
65. Oil Charging
66. Use of Single compound gauge and gauge manifold
67. Vacuuming of all types of units
68. Leak Testing of refrigerator
69. Leak Testing of Window AC
70. Gas charging of Refrigerator
71. Gas charging of Deep Freezer
72. Gas charging of window AC
73. Gas charging of split AC
74. Introduction of ducts and its installation
75. Installation and introduction air filters
76. Troubleshooting of Refrigerator
77. Troubleshooting of Window AC
78. Troubleshooting of Split AC
79. Troubleshooting of Non Frost Refrigerator
80. Troubleshooting of Deep Freezer
81. Introduction of sling Psychrometer
82. Use of Sling Psychrometer
83. Introduction of heat load
84. Pump Down the system
85. Compressor Efficiency
86. Identification and use of defrosting timer
87. Use of tachometer
88. Use of Magger meter
89. Introduction of valves, Solenoid valve, HEV, service valve
90. Introduction of refrigeration accessories
91. Mufflers
92. Moisture Indicator
93. Heat Exchanger
94. Oil Separator
95. Accumulator
96. Sight Glass
97. Vibration Absorber
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Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
98. King Valve
99. Relief Valve
100. Oil Pressure Control
101. Liquid Receiver
102. Introduction & Use of insulating material
103. Introduction and use of heating method
104. Filling of daily log, monthly, annual log sheets
105. Maintenance
106. Types of maintenance
107. Proactive
108. Periodic
109. Breakdown
HVACR (6-Months Course) 25
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
LIST OF TOOLS & EQUIPMENTS (For a Class of 20 Students)
Name of Trade HVACR
Duration OF Course 6 – Months
Sr. No.
Name of Tools & Equipment Quantity
1 Tube Cutter 05 No’s
2 Pinch Tools 05No;s
3 Hack saw 30 No;s
4 Chisels 30 No;s
5 Pliers 30 No;s
6 Snipers 05 No’s
7 Calipers 10 No’s
8 Measuring Taps 10 No’s
9 Packing gland wrench 03 No’s
10 Electric hand drills 04 No’s
11 Multi meter 10 No’s
12 Absolute Vacuum pump 01 No
13 Wheel Pullers 02 No’s
14 Taps, dies and reamers 03 sets
15 Tachometer 03 No’s
16 Clamp on meter 05 No’s
17 Lab with work Tables (4’x8’) 03 No’s
18 Flaring tools 05 No’s
19 Tube benders 05 No’s
20 Files sets 20 No’s
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Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
21 Punches 20 No’s
22 Spanners Set 20 No’s
23 Pipe Spanners 05 No’s
24 Scissors 05 No’s
25 Wire Brushes 05 No’s
26 Rachet Spanners 05 No’s
27 Soldering iron 05 sets
28 Thermometers 10 No’s
29 Amp Meters 10 No’s
30 Magger (Insulators1000 Volt) 01 No
31 Pressure gauges 10 No’s
32 Pipe cutters 10 No’s
33 Leak Detectors; Electronic, Halide Torch 2 each
34 Humidistat (digital & ordinary) 01 No
35 Gas charging station 02 No’s
36 Air-Conditioners (Window type) 05 No’s
37 Air Velocity meters 03 No’s
38 Swaging Tools 05 sets
39 Reamers 05 sets
40 Hammers 10 No’s
41 Screw drivers 05 No’s
42 Socket set 05 No’s
43 Allen key set 05 No’s
44 Dividers 05 No’s
45 Drills bits (set) 06 sets
46 Fin comb 05 No’s
HVACR (6-Months Course) 27
Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
47 Welding Equipment 05 sets
48 Pressure Gauges 05 No’s
49 Test Cord 05 No’s
50 Refrigerant chart 01 No
51 Levels 05 No’s
52 Screw extractors 02 No’s
53 Gasket Knottier 02 No’s
54 Capacitor Analyzer with tester 02 No’s
55 Refrigerators (Used) Direct Cool, No Frost 3 each
56 Micro Pressure gauges 01 No
57 A/C Split 01 No
58 Deep Freezers 01 No
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Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
EMPLOYABILITY OF PASS OUTS
The pass outs of this course may find job / employment opportunities in the following
sectors / areas:
1 Air Conditioners Manufacturing Industry
2 Refrigerators Manufacturing Industry
3 Air Conditioned Commercial Units
4 Air Conditioned Industrial Units
5 Sale shops of Refrigeration & Air Conditioning Appliances
6 Installation Firms of Air Conditioners
7 Air Conditioning Repairing Workshop
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Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
REFERENCE BOOKS
1. Modern Refrigeration & Air Conditioning
By
Athous Tranquest And Good Heart
2. Principles of Refrigeration
By
R.J Dossat
3. Refrigeration & Air Conditioning Practice
By
Billy C. Langelly
4. Trane Air Conditioning Manual
By
Trane Company USA
5. TTP – 91 By Development Cell
6. TTP – 92 By Development Cell
7. TTP – 93 By Development Cell
8. TTP – 94 By Development Cell
9. TTP – 95 By Development Cell
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Developed by Curr iculum Sect ion, Acade mics Department TEVTA.
MINIMUM QUALIFICATION OF INSTRUCTOR
DAE in Refrigeration & Air Conditioning Technology with two years experience in the
relevant field
OR
Two Years certificate of HVACR (G-II Level) with six years experience in the relevant
field.