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8/17/2019 Curriculum for HVAC Final (QA)
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penetration, mount control system, and refrigerant charging, in install HVAC units, in accordance with the organization’s
approved guidelines and procedures.
Module 3: Remove existing HVAC unitAim: This Module is designed to remove refrigerant and biohazards, look out energy sources, disconnect: electrical wiring
from equipment, vent pipe, duct system, fuel pipes, refrigerant pipes, water pipes, from equipment, and remove HVAC
equipment in removal of HVAC units.
Module 4: Test HVAC unit performance
Aim: This module helps to check HVAC electrical characteristics, verify gas pressure, water pressure, design CFM,
measure temperature, identify condition of combustion chamber, measure relative humidity, check modes of operations,
perform motor test, and compressor efficiency test in tests of HVAC units.
Module 5: Conduct Preventive Maintenance on HVAC Equipment
Aim: This module designed to inspect HVAC system components, heat exchanger, clean burners, blowers, air filter, and
replace filters, belts, lubrication HVAC motors, and bearing, adjust belt alignment and tension in conduct preventive
maintenance of HVAC units.
Module 6: Repair Refrigeration Cycle
Aim: This module is designed to obtain replacement parts, replace motors, compressor, refrigerant dryers, valves,
control, electrical parts, sensors, heat exchangers, gas kits, and repair mechanical damages in repair of Refrigeration
Cycle of HVAC units.
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Competencies gained after completion of the course
The learner will gain following competencies through this training:
Ensure Personal Safety at workplace by an HVAC Technician Initiate HVAC work
Install HVAC Units
Remove existing HVAC unit
Test HVAC unit performance
Conduct Preventive Maintenance on HVAC Equipment
Repair Refrigeration Cycle
Ensure Occupational Health and Safety (OHS)
Knowledge Proficiency
On successful completion of this course, the trainee should be able to:
1. Explain the safety precautions, safety practice and first hand offer treatment for electric shock/accidents.2. Explain Heat ventilation and Air-conditioning and their sources of generation.3. Explain current, volt, and resistance their units and relationship among them i.e. ohm’ s law and its simple
application.4. Describe series and parallel circuits.5. Explain voltage drop in the line.6. Explain the estimation of material and tools for all domestic installation.7. Define the construction of simple measuring instruments i.e. voltmeter, ammeter, watt and KWH meter and their
uses.8. Differentiate between single-phase and three-phase loads.9. Describe the single-phase motor used on machine and their faults rectification.
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Job Opportunities available immediately and in future
After completing this course, learner will have following career opportunities:
Offer services as an HVAC Technician to a HVAC devices installation and service shop, industry and to buildingcontractors.
Work as an Assistant HVAC Technician in Public and Private Organizations.
Seek employment in Industries (manufacture/assembly/installer)
Set up of his or her enterprise.
After gaining sufficient exposure he/she can work as Contractor for Annual Maintenance/Repair of residential/institutional/ of small commercial buildings etc.
Entry requirements
Middle prefer Matriculation
Minimum Qualifications of Trainer
BE / BS Technology (Mechanical/RAC/HVACR) / B. Tech (Pass/Hons) Mechanical/RAC/HVACROR
DAE in RAC/HVAC with 1 year work experienceOR
2 years certificate in RAC/HVAC with 3 years work experience.
Medium of Instructions
Urdu/Local Language
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2. OVERVIEW OF THE CURRICULUM FOR HVAC TECHNICIANModule Title and Aim Learning Units Theory
hoursWorkplace
hoursTimeframeof modules
Module 1: Initiate HVAC work
Aim: This aims to initiate HVAC work. A person will be expected to followdress code, clean up service vehicle,
job site, and perform maintenance oftools, test equipment, delegate work tosubordinate, obtain material from store,report safety violation.
LU1: Follow dress code
LU2: Clean up service vehicle
LU3: Clean up Job site
LU4: Perform maintenance on tools(maintain tools)
LU5: Perform maintenance on testequipment (maintain test equipment)
LU6: Report safety violations
LU7: Delegate work to subordinate
LU8: Obtain material from Store
Module 2: Install HVAC Units
Aim: This module helps to identify jobspecification verify field location andmeasurements, obtain specifiedequipment deliver material on job site,position HVAC equipment, install ductsystem(verify duct system), flues/smoke pipes(verify pipes installation),install control wiring, refrigerant piping.Perform evacuation and dehydration of
LU1: Identify job specifications
LU2: Verify field locations andmeasurements
LU3: Obtain specified equipment
LU4: Deliver material to job site
LU5: Position HVAC equipment
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Module Title and Aim Learning Units Theoryhours
Workplacehours
Timeframeof modules
refrigeration system, install primarywiring, fuel piping, condensate drainpiping, mount supply return air(duct)terminals, seal structural penetration,mount control system, and refrigerantcharging, in install HVAC units, inaccordance with the organization’sapproved guidelines and procedures.
LU6: Install duct system(verify installation ofduct)
LU7: Install flues /Smoke pipes (verifyinstallation of flues/ smoke pipes)
LU8: Install control wiring
LU9: Install refrigerant piping
LU10: Perform evacuation and dehydrationof refrigeration system
LU11: Install primary wiring
LU12: Install fuel piping
LU13: Install condensate drain piping
LU14: Mount supply and return air (Duct)terminals
LU15: Seal structural penetration
LU16: Mount control systems
LU17: Refrigerant charging
Module 3: Remove existing HVAC unit
Aim: This Module is designed toremove refrigerant and biohazards,look out energy sources, disconnect:
LU1: Remove refrigerant and biohazards
LU2: Lock out energy sources
LU3: Disconnect electrical wiring from
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Module Title and Aim Learning Units Theoryhours
Workplacehours
Timeframeof modules
electrical wiring from equipment, ventpipe, duct system, fuel pipes,refrigerant pipes, water pipes, fromequipment, and remove HVACequipment in removal of HVAC units.
equipment
LU4: Disconnect vent piping from equipment
LU5: Disconnect fuel piping to equipment
LU6: Disconnect duct work to equipment
LU7: Disconnect refrigerant piping toequipment
LU8: Disconnect water piping to equipment
LU9: Remove HVAC equipment
LU10: Dispose off removed items
Module 4: Test HVAC unitperformance
Aim: This module helps to checkHVAC electrical characteristics, verifygas pressure, water pressure, designCFM, measure temperature, identifycondition of combustion chamber,measure relative humidity, checkmodes of operations, perform motortest, and compressor efficiency test intests of HVAC units.
LU1: Check HVAC equipment electricalcharacteristics
LU2: Verify gas pressure at equipment
LU3: Verify water supply to equipment
LU4: Verify design CFM
LU5: Measure Temperature
LU6: Identify condition of combustionchamber
LU7: Measure relative humidity
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Module Title and Aim Learning Units Theoryhours
Workplacehours
Timeframeof modules
LU8: Check modes of operation
LU9: Perform motor Test(s)
LU10: Perform Compressor Efficiency Test
Module 5: Conduct PreventiveMaintenance on HVAC Equipment
Aim: This module designed to inspectHVAC system components, heatexchanger, clean burners, blowers, airfilter, and replace filters, belts,lubrication HVAC motors, and bearing,adjust belt alignment and tension inconduct preventive maintenance ofHVAC units.
LU1: Inspect HVAC system components
LU2: Clean heat exchangers
LU3: Clean burners
LU4: Clean blower assembly
LU5: Clean air filters
LU6: Replace filters
LU7: Lubricate HVAC motors and bearings
LU8: Replace belts
LU9: Adjust belt alignment and tension
Module 6: Repair Refrigeration Cycle
Aim: This module is designed to obtainreplacement parts, replace motors,compressor, refrigerant dryers, valves,control, electrical parts, sensors, heatexchangers, gas kits, and repairmechanical damages in repair of
LU1: Obtain replacement part(s)
LU2: Replace motors
LU3: Replace compressors
LU4: Replace refrigeration dryers
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Module Title and Aim Learning Units Theoryhours
Workplacehours
Timeframeof modules
Refrigeration Cycle of HVAC units. LU5: Replace valves
LU6: Replace controls
LU7: Repair electrical wiring
LU8: Replace electrical parts
LU9: Replace Electronics circuits/cards
LU10: Replace sensors
LU11: Replace heat exchangers
LU12: Replace gas kits
LU13: Repair mechanical Damages
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3. TEACHING AND LEARNING GUIDELINES FOR HEATING VENTILATION AIR CONDITIONINGTECHNICIANThere is no specific methodology of teaching this curriculum. Preferable independent and responsible work action as theaim of the training are imparted in such fields of education, where it is part of the overall methodological concept. Thusevery methodology can contribute to achieving the targeted objectives. Methods that directly promote the capacitybuilding are particularly suitable and therefore should include appropriately in the teaching
3.1. Module-1: INITIATE HVAC WORK
Objective of the Module: It will cover the initiation HVACR work in regards dress, services vehicle, tools and equipment anddelegation of work and safety.
Suggested duration: 40 hours Theory: 10 hours Practice: 30 hours
Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
LU1: Followdress code
Tra inee wi l l be ab le to :
Follow Personal ProtectiveEquipment(PPE) beforeinitiate work
Demonstrate how to usePPE (personal protectiveequipment)
Gentle haircut, or coveredproperly for safely work
Cut nail as describedorganization
Explain the importance ofPersonal safety measures
Explain work place safetymeasures
Describe how to Utilize PPE
Perform workplace safetyaccording to standard proceduresof trade
Models, wallcharts, PPE,Fireextinguisher,First Aid
ClassRoom /Trainingworkshop
LU2 : Clean upservice vehicle
Tra inee wi l l be ab le to : ClassRoom /
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
Check vehicle fuel to attain job site
Check breaking systemaccordingly
Check cooling system ofvehicle to maintain vehicleperformance
Inspect electrical system ofvehicle accordingly
Check vehicle functions
Describe light vehicle rule andregulations according to standards
Demonstrate physical fitness ofdriving
Explain travel route of jobsite
Explain importance of water levelin battery
Perform basic electricalmaintenance of vehicle
Perform basic mechanicalmaintenance
Perform positive attitude duringdrive
Trainingworkshop
LU3 : Clean upJob site
Tra inee wi l l be ab le to :
clean slippery material fromworkplace & surrounding for
smooth operation Remove extra material from
workplace to reduceuncertainty
Prepare platform for cleanand safe job done
Clear workplace before work
Perform good housekeepingaccording to organization
standards Arrange clear light and properventilation
Demonstrate work ethics
Toxic material prevention at jobsite
Perform disposing-off methods of
ClassRoom /Trainingcentre
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
Explain basic mechanics(vibration, noise, humidity, airpressure, atmospheric pressure,)
Describe Boil’s law
Describe Charles’s Law
Explain Refrigerant and propertiesof best/common Refrigerants.
Explain effect of pressure onBoiling point & on Temperature
Explain basic refrigeration cycle
Explain Air Conditioning
Explain Conditioned Space
Explain psychometric chart
Demonstrate use of testequipment
Maintain test equipment asdescribed
Store test equipment as describedstandards
LU6: Reportsafetyviolations
Tra inee wi l l be ab le to :
Collect evidence of safety Aware the safety rules and
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
violations
Check electrical hazards
Check mechanical risks
Report safety violation toconcerned if any
regulations of HVACR workshop
Describe Electric short circuit andreasons of short circuit
Explain basic firefightingequipment and their usage
Describe hazards material(electrical, mechanical andchemical in HVARC filed)
Describe emergency procedure ofworkshop
Fill the job cards and procedure ofsafety reporting
LU7: Delegatework tosubordinate
Tra inee wi l l be ab le to :
Sequence the job
Split the job
Check the work done by
subordinates
Plan job requirement in context ofhuman resource
Delegate job responsibility tosubordinate as requisition of job
Job distribution according to plandescribed
Demonstrate Quality
Assure quality assurance ofworkers performance
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
LU8: Obtainmaterial fromStore
Tra inee wi l l be ab le to :
Make list of requiredmaterials according to job.
Verify the material as perstandards
Identify material as requested for job
Assure quality and quantity ofmaterial
Proceed Store requisition
Check material as per standardsof HVACR field
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3.2. Module-2: INSTALL HVAC UNITS
Objective of the Module: To install the HVACR unit’ components and accessories, with procedure of installation and safetymeasures of installation process
Suggested duration: 140 hours Theory: 30 hours Practice: 110 hours
Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
LU1: Identify jobspecifications
Tra inee wi l l be ab le to :
List tools and equipmentaccording to job
Prepare toolkit according to job
Arrange proper equipment
Estimate manpower
Explain Job card/WorkOrder/Complaint Sheet
Prepare list of tools and equipmentas required for job
Prepare toolkit according to jobrequirement
Demonstrate handling ofequipment and tools as describedstandards
Demonstrate selection ofmanpower according to jobspecification
ClassRoom /Trainingworkshop
LU2: Verify fieldlocations andmeasurements
Tra inee wi l l be ab le to :
Visit the field location
Select the proper location
Take measurement
Explain field visit parameters joblocation
Effect of surrounding medium onConditioned Space
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
Verify measurements as per job requirement
Explain basic Heating/Cooling loadcalculation
Explain in HVAC BTU, Watt andTon of Refrigeration
Explain Ventilation and infiltration
Define Rules of Heat
Explain Type of Head
Perform checking of resources at job site
Perform Estimation of materialsaccording to measurements
LU3: Obtainspecifiedequipment
Tra inee wi l l be ab le to :
List required equipment
Collect required equipmentfrom source
Check the physical conditionof equipment
Identification of job as described
Explain Store issuance procedure
Select required equipmentaccording to job description
Understand the equipmentphysical condition
Perform physical inspection
LU4: Delivermaterial to job
Trainee will be able to:
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
site Load material safely
Unload material safely
Get acknowledgement fromuser accordingly
Characteristic of equipment
Safety measures of loading/unloading
Handling of equipment machines
Understand procedure ofequipment delivery andacknowledgement
Explain Importance ofdocumentation, against Handing /Taking over of an Equipment
LU5: PositionHVACequipment
Tra inee wi l l be ab le to :
Prepare foundation (base) forequipment
Arrange hoisting machines
Place HVAC equipment onprescribed location
Describe importance ofbase/foundation
explain commissioning steps ofequipment
Ensure commissioning work
Explain safety steps of equipmentinstallation/position
LU6: Install ductsystem (verifyinstallation ofduct)
Tra inee wi l l be ab le to :
Check duct route according todrawing
Verify duct sizes according to
Explain duct drawing according to jobsite
Describe usage of Ductolator
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
drawing
Check hangers and joints ofducts
Check duct joints by smoketest
Check duct joints by light test
Check insulation accordingly
Explain CFM and its calculation
Perform verification of ductmeasurements according todrawing.
Describe checking procedures ofduct according to drawing
Perform checking of hangers, and joints of duct (hanger’s strength) Perform smoke/ light test of ductaccording to Standard
Describe insulation of duct andtype of insulation,
Rapping procedure of duct
Describe sound liner/barrier
LU7: Installflues /Smoke
pipes (verifyinstallation offlues/ smokepipes)
Tra inee wi l l be ab le to :
Check flues/smoke pipes routaccording to drawing
Verify flues/smoke pipes sizeaccording to drawing
Check Support/ hangers and joints of flues/smoke pipes
Check flues/smoke pipes
Explain flues/smoke pipe routaccording to drawing
Describe checking procedure offlues/smoke pipe according todrawing
Assure flues/smoke pipe, hanger, joints, height of pipes according todrawing
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
height
Check insulation accordingly Perform flues/smoke pipesinsulation check according tostandards
Explain Flow rate and itscalculation
Explain problems of vibration inpiping
Explain MS Pipe Standardschedule (40 & 60)
LU8: Installcontrol wiring
Tra inee wi l l be ab le to :
Check wining route accordingto drawing.
Verify wire gauge according todrawing
Verify wiring circuitaccordingly
Connect wiring according todrawing
Explain control wiring drawing andcontrol symbols
Describe type of wires in controlwiring and standards
Explain control wiring circuits
Perform control circuit wiringaccording to drawings
Assure control circuits wiringaccording to drawing
Describe color coding of controlwires
Type of wiring joints
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
Explain Series & parallel circuitsLU9: Installrefrigerantpiping
Tra inee wi l l be ab le to :
Check piping route accordingto drawing
Verify piping sizes accordingto drawing
Install hangers for piping
Perform pipe jointing
Install piping accordingly
Perform pipe leakage testaccording to local standards
Express the pipe types and pipe joints
Explain pipe jointing methods
Perform pipe joints of refrigerant inHVAC
Explain leakage test andprocedure
Describe importance of Hangers inpiping system
Describe insulation of refrigerantpipe according to drawing
Perform insulation of refrigerantpipe according to drawings andrequirement
Fabrication of refrigerant pipesaccording to drawing
Explain colour coding standards ofpipes
Perform colour coding of pipeaccording to drawing
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
LU10: Performevacuation anddehydration of
refrigerationsystem
Tra inee wi l l be ab le to :
Install high pressure gauge
Flash with nitrogen
Install compound gauge (lowpressure) with system
Ensure evacuation throughvacuum pump
Ensure dehydration in systemwith deep vacuum throughvacuum pump
Explain type of gauges of HAVCand standards
Perform measurement withcompound gauge
Explain flashing procedure ofaccording to standards
Fallow safety measure accordingto gases and environment
Explain importance of Vacuumingin a Refrigeration system
Perform flash with nitrogen andother cleaning chemicals
LU11: Installprimary wiring
Tra inee wi l l be ab le to :
Check wining route accordingto drawing
Verify wire according todrawing standard
Verify wiring circuit accordingto requirement
Connect wiring as described
Understand primary wiring drawing
Describe type of wires in primarywiring and standards
Explain primary wiring circuits,phase sequence, star & delta
Perform primary circuit wiringaccording to drawings
Assure primary circuits wiring
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
according to drawing
LU12: Install
fuel piping
Tra inee wi l l be ab le to :
Check fuel pipes routeaccording to drawing andcolour coding
Verify fuel pipe sizesaccording to drawing
Check Support/ hangers and joints of fuel pipes
Install fuel pipes according todrawings
Perform leakage test
Express the pipe types and pipe joints
Perform pipe joints of fuel in HVAC
Explain leakage test andprocedure
Fabrication of fuel pipes accordingto drawing
Explain colour coding standards ofpipes
Perform colour coding of pipeaccording to drawing
LU13: Installcondensatedrain piping
Tra inee wi l l be ab le to :
Check drain pipes routeaccording to drawing
Verify drain pipe sizesaccording to drawing
Install Support/ hangers and joints of drain pipes
Install drain pipes according todrawing
Express the pipe types and pipe joints
Perform pipe installation and jointsof drain in HVAC
Explain leakage test andprocedure
Explain Steam Trap
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
check drain pipes level Explain colour coding standards ofpipes
Perform colour coding of pipeaccording to drawing
Explain levelling procedure ofdrain pipe
Perform levelling of drain pipe
LU14: Mountsupply, returnand fresh airDucts
Tra inee wi l l be ab le to :
Check duct route according todrawing and colour coding
Verify duct size according todrawing
Check hangers and joints ofduct
Mount duct according todrawing
Check duct joints by smoketest
Check duct joints by light test
Check duct insulationaccordingly.
Explain supply, return and fresh airduct rout according to drawing
Explain air mixing chamber andfiltration
Explain type of filters, air dumper,diffuser, grills, vibration eliminators
Describe checking procedure ofsupply and return air ductaccording to drawing
Assure hangers, and joints ofsupply and return air duct,
Perform supply and return air ductinsulation, check according tostandards
LU15: Seal Tra inee wi l l be ab le to :
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
structuralpenetration Seal structure opening during
installation accordingly Explain sealing materials ofstructure and insulations
Perform sealing on wall, celling,underground
LU16: Mountcontrol systems
Tra inee wi l l be ab le to :
Select position of controlsystem accordingly
Place control equipment onprescribed location
Check control systemperformance
Explain control system mountingposition
Describe procedure of placementof control system according toenvironment and access
Understand the functions ofcontrol system and application
Perform checking of controlsystem results, parameters
LU17:Refrigerantcharging
Tra inee wi l l be ab le to :
Purge the charging linesaccordingly
Charge the refrigerant
Start the system accordingly
Check performance
Describe evacuation, purgingprocess as per requirement
Explain charging methods (byweight, vapour, pressuretemperature relation)
Perform purging according tostandard
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
Charge Refrigerant in System
Perform test run of systemaccordingly and check parameter
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3.3. Module-3: REMOVE EXISTING HVAC UNIT
Objective of the Module: To perform the removal operation of HVACR system and components following safety and standardprocedures
Suggested duration: 100 hours Theory: 20 hours Practice: 80 hours
Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
LU1. Removerefrigerant andbiohazards
Tra inee wi l l be ab le to :
Connect refrigerant recoverysystem
Recover the refrigerant from
system
Disconnect refrigerantrecovery system
Recycle the recoveredrefrigerant
Differentiate between Ozonefriendly and Ozone depletingrefrigerants
Elaborate recovery, recycling and
reclaiming
Explain how to install recovery unit
Explain how to remove recoveryunit
Demonstrate reclaiming process ofrefrigerants
Demonstrate recycling process of
refrigerants
ClassRoom /Trainingworkshop
LU2. Lock outenergy sources
Tra inee wi l l be ab le to :
Disconnect main powersource
Disconnect fuel supply fromsystem
Explain safety rules of electricalhazards, mechanical, fuelbiohazards
Explain procedure of taggingsystem, and standards
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
Tag out system according tolocal standards
Explain procedure of disconnectionof electrical, fuel source
Perform disconnection of electricalpower source
Perform disconnection of fuel supplysystem
Tag electrical wire and pipes ofHVARC system
Explain importance of dead/blockRefrigerant pipe (open circuit)
LU3. Disconnect electricalwiring fromequipment
Tra inee wi l l be ab le to :
Identify wiring through colourcoding
Remove electrical wiring asper standard
Remove control wiring fromsystem
Explain colour coding of wiring
Explain methods of removing mainelectrical wiring
Elaborate methods of removingcontrol electrical wiring
LU4. Disconnect vent pipingfrom equipment
Tra inee wi l l be ab le to :
Mark vent points according tostandard
Disconnect vent piping fromequipment
Explain ventilation process
Demonstrate identification ofmarked vent points
Demonstrate isolating vent piping
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
equipment Explain different types of insulationmaterial
Demonstrate to insulate andinsulation removing process
Demonstrate isolating methods ofrefrigerant piping from equipment
LU8. Disconnect water pipingfrom equipment
Tra inee wi l l be ab le to :
Mark water piping pointsaccording to requirement
Close gate valve according asrequired
Remove insulation from ductsystem
Disconnect water piping fromequipment
Explain different piping systems inchillers
Explain different types of watercontrol valves such as gate valves,glove valves, check valves, waterflow valves, strainers etc.
Demonstrate marking of waterpiping points according to colourcoding
Explain working principles of gatevalve
Explain different types of insulationmaterial
Demonstrate how to insulate andinsulation removing process
Demonstrate isolating methods ofwater piping from equipment
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
LU9. RemoveHVACequipment
Tra inee wi l l be ab le to :
Arrange hoisting machines
Remove equipment fromfoundation
Explain working principles ofhoisting machine
Demonstrate attaching hoistingmachine with HVAC equipment andlifting method
Demonstrate isolating methods ofHVAC equipment from foundation
LU10. Dispose-off removeditems
Tra inee wi l l be ab le to :
Collect removed itemsaccording as requested
Dispose-off removed items
Explain about the safe andappropriate practices for picking upremoved items.
Demonstrate safety measures e.g.handling, storing, disposing of andremoved items.
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3.4. Module-4: TEST HVAC UNIT PERFORMANCE
Objective of the Module: To demonstrate performance test of system according to standards
Suggested duration: 100 hours Theory: 20 hours Practice: 80 hours
Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
LU1: CheckHVAC equipmentelectricalcharacteristics
Tra inee shou ld ab le to :
Test earth leakage breaker
Test short circuit breaker
Check voltage at equipment
according to local standard
Check HVAC equipmentcurrent according to systemparameters
Explain Electrical earth procedure
Describe earth leakage breaker andearth testing equipment
Explain voltage drop on load and
effect of low voltage
Explain procedure of system voltagetest
Explain HVAC current followmeasurement procedures
Perform electrical voltage, current,earth leakage test and recordparameters
Class
Room /
Training
workshop
LU2: Verify gaspressure atequipment
Tra inee shou ld be ab le to :
Install pressure gaugesaccordingly
Check performanceparameters
Explain HVAC equipment rating andstandards
Explain pressure gauge installationprocedures
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
Perform measurement of pressurewith gauges and note parameters somatch with standard
LU3: Verify watersupply toequipment
Tra inee shou ld be ab le to :
Check the water flow switch
Install pressure gaugesaccordingly
Check performanceparameters
Explain hydronic system andstandards
Explain pressure gauge installationprocedures of water system
Perform measurement of waterpressure with gauges and note
parameters
LU4: Verifydesign CFM
Tra inee shou ld be ab le to :
Check the CFM at fan outlet
Check the CFM at roomoutlet
Compare with rating CFMaccordingly
Explain CFM calculation and airvelocity meter measurementprocedure
Perform CFM testing at fan outlet,room outlet according torequirement and standards
LU5: MeasureTemperature
Tra inee shou ld be ab le to :
Check water temperatureaccordingly
Check Air temperature
Check refrigerant
Explain temperature units andconversion
Explain comfort level/zoneaccording to standards
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
temperature Explain wet bulb and dry bulbtemperature
Describe procedure of temperaturemeasurement of air, water,refrigerant
Perform temperature measurementof air, water, refrigerant and noteparameters
LU6: Identifycondition ofcombustionchamber
Tra inee shou ld be ab le to :
Check the fuel supply
Check flame
Check temperature ofcombustion chamber
Check condition of fluegases
Explain type of fuel and fuelling
system
Explain type of flame, andprocedure of flaming of combustionchamber
Explain effect on flame
Perform flaming operation accordingto requirement
Understand flue gases, calorificvalues of fuels
Explain environmental effect of fluegases
Check flue gases with pressuregauges and smoke detectors
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
LU7: Measurerelative humidity
Tra inee shou ld be ab le to :
Check humidity with
humidistat
Explain psychometric properties of
Air
Describe relative humidity
Define humidistat applicationprocedure
Use of humidistat
LU8: Checkmodes ofoperation
Tra inee shou ld be ab le to :
Check heating mode
Check cooling mode
Check dry mode
Check wet mode
Explain refrigeration cycle Describe performance check chart(weekly, monthly, quarterly halfyear, yearly)
Explain humidifier and dehumidifier
Explain HVAC symbols, ducts andpipes symbols, HVACR Mechanicalsymbols.
LU9: Perform
motorTest(s)
Tra inee shou ld be ab le to :
Check alignment
Check noise level with dBmeter
Check Vibration
Explain alignment tools andprocedure
Describe noise and levels
Describe vibration
Perform alignment of motors
Check noise level with dB meter
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Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
Check vibration with vibration meter
LU10: PerformCompressorEfficiency Test
Tra inee shou ld be ab le to :
Check suction pressure
Check discharge pressure
Check noise level by dBmeter
Check current
Explain compressor operation
Explain suction and dischargepressure
Explain compressor lubrication
Explain compressor safetydevices(overload, Low PressureSwitch, High Pressure Switch, OilPressure Switch, Dual PressureSwitch, water flow switch
Explain Compressor and it types
Describe suction and dischargepressure checking procedure
Check suction pressure with gauge
Check discharge pressure withgauge
Check noise level with dB meter
Check current of compressor withclip-on meter( tong-tester)
Record parameters of compressor
Explain standardperameter/specification ofcompressor
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3.5. Module-5: CONDUCT PREVENTIVE MAINTENANCE ON HVAC EQUIPMENT
Objective of the Module: To carry preventive maintenance of system equipment and components
Suggested duration: 140 hours Theory: 20 hours Practice: 120 hours
Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
LU1: InspectHVAC systemcomponents
Tra inee shou ld be ab le to :
Check drain system
Check electrical components
Check mechanical components
Check physical condition ofevaporator
Check physical condition ofcondenser
Fill the preventive maintenancechart
Explain electrical componentchecking procedure
Explain mechanical componentchecking procedure
Explain problem due carbon inelectrical circuit/connection
Describe physical condition ofevaporator, condenser
Explain checking procedure ofevaporator, condenser andcompare with standardsparameters
Check physical condition ofevaporator, condenseraccording to standards
Describe preventivemaintenance charts, scheduleand recording procedure ofcharts
Perform preventivemaintenance chart, recording ofparameters
Class
Room /
Training
workshop
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LU2: Clean heatexchangers
Tra inee shou ld be ab le to :
Remove air filter
Clean evaporator coil
Clean condenser coil
Clean drain pipes
Explain cleaning chemicals andmaterial characteristics
Describe cleaning proceduresof air filter, coils and pipes
Explain internal, externalcleaning procedures
Explain type of air filter
Describe air filter cleaningprocedures
Perform air filter cleaning
Perform evaporator andcondenser cleaning
Perform drain pipe cleaning
LU3: Cleanburners
Tra inee mus t be ab le to :
Dismantling burners
Remove carbon fire nozzle
Re-assemble burners
Explain burner and types
Describe dismantling andassembling procedure
Demonstrate dismantling andassembling of burners
Explain cleaning chemicals and
material characteristics Explain internal, externalcleaning procedures
Demonstrate burner cleaning
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LU4: Cleanblower assembly
Tra inee shou ld be ab le to :
Dismantle blower assembly
Clean parts
Lubricate moving parts
Re-assemble blower
Explain blower and types
Describe dismantling andassembling procedures
Demonstrate dismantling andassembling of blowers
Explain cleaning materialscharacteristics
Describe cleaning parts andmechanical parts of blower
Lubricate mechanical (moving)parts of blower (blade,bearings, etc)
Explain internal, externalcleaning procedures
LU5: Clean airfilters
Tra inee shou ld be ab le to :
Remove air filter
Clean air filter
Re-fix air filter
Explain type of air filter
Explain cleaning chemicals andmaterial characteristics
Describe cleaning proceduresof air filter
Describe air filter cleaningprocedures
Perform air filter cleaning
Describe procedure of re-assembling of air filters
Perform re-assembling of airfilters
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LU6: Replacefilters
Tra inee shou ld be ab le to :
Check physical condition offilter
Remove filter Replace filter
Explain type of filters
Describe checking procedure ofphysical condition of filters
Explain removal, replacementprocedures of filters
Perform removal, replacementof filters
LU7: LubricateHVAC motors andbearings
Tra inee Shou ld be ab le to :
Dismantle motor
Check bearing
Lubricate bearing
Explain type of motors andstructure
Explain circulation pumps andits types
Explain procedure of lubricationof bearings
Perform lubrication of bearings
LU8: Replacebelts
Tra inee shou ld be ab le to :
Check the belts
Replace belts
Explain types of belts andprocedure of replacement
Explain pulley and belt
Perform replacement of belts
LU9: Adjust beltalignment andtension
Tra inee shou ld be ab le to :
Check the alignment
Check the noise level
Align the belt
Explain alignment procedureand tool
Explain noise level checkingprocedure
Perform alignment of belt
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3.6. Module-6: REPAIR REFRIGERATION CYCLE
Objective of the Module: perform the repairing operation of system component
Suggested duration: 140 hours Theory: 120 hours Practice: 20 hours
Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
LU1: Obtainreplacementpart(s)
Tra inee shou ld be ab le to :
Check all mechanicalcomponents
Prepare requisition
Received from store
Explain specification of parts
Explain procedure of checking of parts
Describe requisition procedure of parts
Demonstrate mechanical componentschecking
Describe receiving procedure fromstore
Demonstration receiving of parts fromstore
Class
Room /
Training
workshop
LU2: Replacemotors
Tra inee shou ld be ab le to :
Remove electricalconnections
Dismantle motor
Replace motor
Align motor
Connect electrical supply
Explain dismantling, installationprocedure of motors
Demonstrate removal of motors Describe electrical connections ofmotors
Perform installation of motor
Explain coupling system
Perform alignment of motor
Connect electrical supply as described
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LU3: Replacecompressors
Tra inee shou ld be ab le to :
Remove electricalconnections
Disconnect refrigerant pipes
Dismantle compressor
Replace compressor
Connect refrigerant pipes
Connect electrical supply
Explain recovery procedure ofrefrigerant
Explain disconnection procedure ofpipes from compressor
Demonstrate recover of refrigerantfrom system
Describe replacement procedure ofcompressor
Demonstrate connection of refrigerantpipes
Describe leak test procedure
Demonstrate leak test
Connect electrical supply ofcompressor
LU4: Replacerefrigerationdryers(core)/filer
Tra inee shou ld be ab le to :
Dismantle drier
Replace core
Explain types and use of drier
Explain dismantling procedure
Demonstrate replacement ofcore(drier)/drier filter
LU5: Replace
valves
Tra inee shou ld be ab le to :
Dismantle valves Replace valves
Explain types and use of valves
Explain dismantling procedure ofvalves
Demonstrate replacement of valves
LU6: Replacecontrols
Tra inee shou ld be ab le to :
Dismantle control
Explain types controls
Explain dismantling procedure ofcontrol
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Replace control Demonstrate replacement of control
LU7: Repairelectrical wiring
Tra inee shou ld be ab le to :
Check electricalconnections
Check insulation
Explain type of electrical connections
Explain procedure of checkingelectrical connections
Describe type of insulation
Perform electrical connection test
Perform continuity test of connections
LU8: Replaceelectrical parts
Tra inee shou ld be ab le to :
Remove electricalconnections
Replace electrical parts
Connect electricalconnections
Explain electrical parts replacementprocedure
Identification of electrical parts
Perform functionality test beforeinstallation.
Demonstrate replacement of parts
Demonstrate re-connection of newlyinstalled parts
LU9: ReplaceElectronicscircuits/cards
Tra inee shou ld be ab le to :
Remove electronics cards
Replace electronics cards
Explain electronics cards replacementprocedure
Explain colour coding of resistance
Demonstrate replacement of cards
LU10: Replacesensors
Tra inee shou ld be ab le to : Explain type of sensors
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Remove sensors
Replace sensor Explain replacement procedure ofsensors
Explain evaluation of Sensor and Alternate
Demonstrate replacement of sensors
LU11: Replaceheatexchangers
Tra inee shou ld be ab le to :
Remove condenser
Remove evaporator
Replace condenser
Replace evaporator
Explain heat exchanger, condenser,evaporator replacement procedure
Demonstrate replacement ofcondenser, evaporator
Explain Absorption System andcrystallization in Absorption Chillers
LU:12 Replacegas kits
Tra inee shou ld be ab le to :
Remove gas kits
Replace gas kits
Explain type of gas kits
Explain replacement procedure of gaskits
Demonstrate replacement of gas kits
LU13: Repairmechanical
Damages
Tra inee shou ld be ab le to :
Align door Repair hinges
Repair door handle
Replace door liner
Repair door cap
Adjust levelling foot screw
Explain mechanical repairingprocedure
Explain aligning procedure of door Perform alignment of door
Explain replacement procedure of doorcomponents
Demonstrate replacement of doorcomponents
Perform door cap repairing
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Replace door end cap.
Adjust levelling foot screw
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3.7. Module-7: DEVELOP PROFESSIONALISM
Objective of the Module: To develop professional attitude and maintain professionalism at workplace environment.
Duration: 36hours Theory: 16hours Practice: 20hours
Learning Unit Learning Outcome Learning Elements Duration(Hours)
MaterialRequired
LearningPlace
LU1 :Communicate withco-worker
Tra inee shou ld be ab le to :
Communicating within adepartment.
Communication with otherdepartments.
Dealing with vendors.
Interaction with otherorganisations.
Using various media tocommunicate effectively.
Communication Tools
Communication ethics
Dealing with vendors and otherorganisations.
Appropriate use of electronic andrelative media when required
Effective communication withJunior staff and Co workers
Communication within thedepartment and interaction withother departments
Whiteboard,multimedia,computersystem.
Classroom
LU2 : Managingtime
Tra inee shou ld be ab le to :
Managing time to complete theassigned work.
Managing workload as per task.
Checking own work regularly toensure accuracy
Handling time division with co-workers.
Importance of Punctuality
Maintaining task calendars
Importance of multitasking
Checking of work (self /supervisors)
Importance of managing timeaccording to task priorities,involving management and co-workers.
Whiteboard,multimedia,computersystem,WorkplaceProcedureGuidelines
Classroom
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LU3 : Upgradingskills
Tra inee shou ld be ab le to :
Participation in skill tests
Attending seminars /workshops.
Participating in competitionstime to time.
Awareness upcoming markettrends.
Importance of staying up-to-date
Development of personal skillsand efficiency
Improvement of skill sets over timeby way of seminars, workshopsand competitions.
Importance of trends and marketresearch to work role
Whiteboard,multimedia,computersystem andWorkplace
ProcedureGuidelines
Classroom
LU4 : Keeping theworkplace clean
Tra inee shou ld be ab le to :
Keeping the workplaceorganised.
Ensuring clean working
environment.
Requirements of a clean andorganised workplace
Effective and efficient organisationof work area
Importance of observing hygiene
Whiteboard,multimedia,computersystem,Workplace
ProcedureGuidelines
Classroom
LU5 : Workingwithin a team
Tra inee shou ld be ab le to :
Showing good team skills. Taking an appropriateappearance.
Showing comfort and tolerance.
Presenting and observing good
work ethics.
Skills required to successfullyparticipate in teams
Workplace standards forprofessional appearance as aHVACR technician
Interpersonal skills required towork within teams
Requirements for work ethics forHVACR technician role.
Whiteboard,multimedia,computersystem,WorkplaceProcedureGuidelines
Classroom
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5. LIST OF TOOLS, MACHINERY & EQUIPMENT
Item Description Quantity Item Description Quantity
Air measurement tools Allen key setBench viceCapillary tube cleanerCenter punchChiselsClamp on amp meterCombustion analysis toolsDigital thermometerDraft gaugeDrillsFile set
Filler gaugeFlare toolsGas charging adopterGrindersHollow punchLaddersLeak detectorsMega-meter complete setMicron gaugeMulti-meterNitrogen tankPiercing valvePinch off toolPipe cutter (for GI Pipes)Pipe vicePliersPressure temp. measuring toolsPulley pullerReamers (Copper)
5 set20 set20 nos5 set
20 set20 nos20 nos5 nos5 set5 set5 set
20 set
20 set20 set20 set5 set5 nos
20 nos5 set5 set5 nos5 set
20 nos5 nos
20 nos20 nos5 set5 set
20 nos5 set5 set
Recovery machines Refrigerant gaugeRing spinner set (inch)Ring spinner set (mm)Riveting gunSaws (complete with blade)ScalesScissorsSheerShovelSight glassSling psychomotorSoldering iron
Sprit levelSteel ruleSwaging toolsSwedgeTap and die tools TachometerTin cutterTorchTry squareTube benderVacuum cleanerVacuum pumpsVernier callipersWire brushWire gaugeWrenches (assorted)Screw driverHammer set (MS, copper, rubber)Hand Electric Drilling MachineCrimping ToolSoldering Iron
5 set20 nos20 nos5 set
20 nos20 nos20 nos20 nos5 nos5 nos5 nos
20 nos
5 nos20 nos5 set5 nos5 set5 nos5 set
20 nos5 set5 nos5 set
20 nos20 nos5 set5 set
20 set5 set5 nos5 set
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Item Description Quantity Item Description QuantityOxy Acetylene gas cylinder/ OxyBlow torchCompressorEmpty cylinder for refrigerant
Nitrogen cylinder with two stage regulatorDifferent types of electric motors
20 set5 set5 set5 set
5 set5 set
Dry bulb & wet bulb thermometerCompressor condenserEvaporatorExpansion devicecapillary
20 nos5 set5 set5 nos
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