AURETU003 - Service air conditioning and HVAC systems
Assessor Resource
AURETU003 Service air conditioning and HVAC systems
Assessment tool
Version 1.0 Issue Date: May 2024
This unit describes the performance outcomes required to service air conditioning systems, including heating, ventilation and air conditioning (HVAC) systems, fitted to a range of vehicles and machinery. It involves preparing for the task, carrying out performance testing and correct servicing procedures, performing post-service testing, and completing workplace processes and documentation.
It applies to those working in the automotive service and repair industry. Automotive air conditioners, including HVAC systems, include those in agricultural machinery, heavy commercial vehicles, light vehicles or mobile plant machinery.
Licensing requirements apply to this unit. Users are advised to check with relevant regulatory authority. An Australian Refrigeration Council accredited (ARCtick) Refrigerant Handling licence is required for those carrying out this work.
You may want to include more information here about the target group and the purpose of the assessments (eg formative, summative, recognition)
Evidence Required
List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.
Elements
Elements describe the essential outcomes.
Performance Criteria
Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold and italicised text is used, further information is detailed in the range of conditions section.
1. Prepare to service system
1.1 Job requirements are determined from workplace instructions
1.2 Service information, manufacturer specifications, and relevant code of practice are accessed and interpreted
1.3 Servicing options are analysed and those most appropriate to the circumstances are selected
1.4 Hazards associated with the work are identified and risks are managed
1.5 Servicing tools and equipment are selected and checked for serviceability
2. Test operation of system and components
2.1 System is visually checked to establish extent of possible failure or damage
2.2 System performance tests are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or system
2.3 Findings, including recommendations for required repairs or adjustments, are reported according to workplace procedures
3. Service system and components
3.1 System and components are serviced according to manufacturer specifications, workplace procedures and relevant code of practice
3.2 Code of practice regulations regarding topping up refrigerant are interpreted and applied during service procedures
3.3 Post-service performance tests are carried out to confirm that reported service issue has been resolved and that no other problems are present
4. Complete work processes
4.1 Final inspection is made to ensure work is to workplace expectations and vehicle or machinery is presented ready for use
4.2 Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
4.3 Tools and equipment are checked and stored and any faulty electrical equipment is identified, tagged and isolated according to workplace procedures
4.4 Australian Refrigeration Council accredited (ARCtick)service decal sticker and other required workplace documentation are completed and processed according to workplace procedures
Before competency can be determined, individuals must demonstrate they can perform the following according to the standard defined in the unit’s elements, performance criteria, range of conditions and foundation skills:
service the air conditioning and HVAC systems of two different vehicles or machinery, in which the work must involve:
one air conditioning system
one heating, ventilation and air conditioning (HVAC) system
complete Australian Refrigeration Council accredited (ARCtick) service decal stickers for the above jobs.
Individuals must be able to demonstrate knowledge of:
work health and safety (WHS) and occupational health and safety (OHS) requirements relating to servicing air conditioning and HVAC systems, including procedures for:
working with refrigerants at boiling point given risk of frostbite
working with system lubricants, including carcinogenic oils
identifying flammable refrigerants
selecting and using personal protective equipment (PPE)
identifying firefighting equipment
environmental requirements, including procedures for:
preventing loss of refrigerant to the atmosphere
handling materials and refrigerant recovery equipment.
key requirements of Australian automotive code of practice: Control of refrigerant gases during manufacture, installation, servicing or de-commissioning of motor vehicle air conditioners
identification and function of major air conditioning and HVAC system components, including:
compressor
condenser
receiver-dryer
expansion valve
evaporator
blower fan
principles of operation of air conditioning and HVAC systems, including transferring heat from cabin to exterior using refrigerant gas
types of air conditioning and HVAC systems, including:
single zone and multi-zone
climate control
inspection procedures for air conditioning and HVAC systems, including:
conducting visual, aural and functional assessments for:
component damage and wear
component corrosion
vacuum and leaks
system performance testing, including:
using manifold gauges and thermometers to check system pressures and vent temperatures
checking blower fan output
checking engine fan output
checking filters
using manifold gauges and thermometers to check pressure and temperatures
service and adjustment procedures of air conditioning and HVAC systems, including:
checking and adjusting compressor drive belts
changing filters
clearing evaporator water outlet
cleaning condenser
post-service testing procedures of air conditioning and HVAC systems, including system performance testing and using thermometers to check vent temperatures
procedures for completing workplace documentation, including ARCtick service decal sticker.
Assessors must satisfy NVR/AQTF assessor requirements and hold an Australian Refrigerant Council (ARC) Refrigerant Handling licence.
Competency is to be assessed in the workplace or a simulated environment that accurately reflects performance in a real workplace setting.
Assessment must include direct observation of tasks.
Where assessment of competency includes third-party evidence, individuals must provide evidence that links them to the air conditioning and HVAC systems that they have serviced, e.g. repair orders.
Assessors must verify performance evidence through questioning on skills and knowledge to ensure correct interpretation and application.
The following resources must be made available:
automotive service repair workplace or simulated workplace
workplace instructions
air conditioning and HVAC system manufacturer specifications
Australian automotive code of practice: Control of refrigerant gases during manufacture, installation, servicing or de-commissioning of motor vehicle air conditioners
two different vehicles or machinery with air conditioning and HVAC systems requiring servicing
tools, equipment and materials appropriate for servicing air conditioning and HVAC systems, including:
thermometer
manifold and gauge set.
Submission Requirements
List each assessment task's title, type (eg project, observation/demonstration, essay, assingnment, checklist) and due date here
Assessment task 1: [title] Due date:
(add new lines for each of the assessment tasks)
Assessment Tasks
Copy and paste from the following data to produce each assessment task. Write these in plain English and spell out how, when and where the task is to be carried out, under what conditions, and what resources are needed. Include guidelines about how well the candidate has to perform a task for it to be judged satisfactory.
Elements
Elements describe the essential outcomes.
Performance Criteria
Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold and italicised text is used, further information is detailed in the range of conditions section.
1. Prepare to service system
1.1 Job requirements are determined from workplace instructions
1.2 Service information, manufacturer specifications, and relevant code of practice are accessed and interpreted
1.3 Servicing options are analysed and those most appropriate to the circumstances are selected
1.4 Hazards associated with the work are identified and risks are managed
1.5 Servicing tools and equipment are selected and checked for serviceability
2. Test operation of system and components
2.1 System is visually checked to establish extent of possible failure or damage
2.2 System performance tests are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or system
2.3 Findings, including recommendations for required repairs or adjustments, are reported according to workplace procedures
3. Service system and components
3.1 System and components are serviced according to manufacturer specifications, workplace procedures and relevant code of practice
3.2 Code of practice regulations regarding topping up refrigerant are interpreted and applied during service procedures
3.3 Post-service performance tests are carried out to confirm that reported service issue has been resolved and that no other problems are present
4. Complete work processes
4.1 Final inspection is made to ensure work is to workplace expectations and vehicle or machinery is presented ready for use
4.2 Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
4.3 Tools and equipment are checked and stored and any faulty electrical equipment is identified, tagged and isolated according to workplace procedures
4.4 Australian Refrigeration Council accredited (ARCtick)service decal sticker and other required workplace documentation are completed and processed according to workplace procedures
This section specifies work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Bold italicised wording, if used in the performance criteria, is detailed below.
Code of practice must include:
Australian automotive code of practice: Control of refrigerant gases during manufacture, installation, servicing or de-commissioning of motor vehicle air conditioners.
Safety and environmental requirements must include:
work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for:
working with refrigerants at boiling point given risk of frostbite
working with system lubricants, including carcinogenic oils
identifying flammable refrigerants
selecting and using personal protective equipment (PPE)
identifying firefighting equipment
environmental requirements, including procedures for:
preventing loss of refrigerant to the atmosphere
handling materials and refrigerant recovery equipment.
Post-service performance tests must include:
temperature checks
checking for refrigerant leaks.
Australian Refrigeration Council accredited (ARCtick) service decal sticker information must include:
name of service organisation
ARCtick business authority number
quantity of refrigerant added
refrigerant and oil type
service date
technician name and licence number.
Before competency can be determined, individuals must demonstrate they can perform the following according to the standard defined in the unit’s elements, performance criteria, range of conditions and foundation skills:
service the air conditioning and HVAC systems of two different vehicles or machinery, in which the work must involve:
one air conditioning system
one heating, ventilation and air conditioning (HVAC) system
complete Australian Refrigeration Council accredited (ARCtick) service decal stickers for the above jobs.
Individuals must be able to demonstrate knowledge of:
work health and safety (WHS) and occupational health and safety (OHS) requirements relating to servicing air conditioning and HVAC systems, including procedures for:
working with refrigerants at boiling point given risk of frostbite
working with system lubricants, including carcinogenic oils
identifying flammable refrigerants
selecting and using personal protective equipment (PPE)
identifying firefighting equipment
environmental requirements, including procedures for:
preventing loss of refrigerant to the atmosphere
handling materials and refrigerant recovery equipment.
key requirements of Australian automotive code of practice: Control of refrigerant gases during manufacture, installation, servicing or de-commissioning of motor vehicle air conditioners
identification and function of major air conditioning and HVAC system components, including:
compressor
condenser
receiver-dryer
expansion valve
evaporator
blower fan
principles of operation of air conditioning and HVAC systems, including transferring heat from cabin to exterior using refrigerant gas
types of air conditioning and HVAC systems, including:
single zone and multi-zone
climate control
inspection procedures for air conditioning and HVAC systems, including:
conducting visual, aural and functional assessments for:
component damage and wear
component corrosion
vacuum and leaks
system performance testing, including:
using manifold gauges and thermometers to check system pressures and vent temperatures
checking blower fan output
checking engine fan output
checking filters
using manifold gauges and thermometers to check pressure and temperatures
service and adjustment procedures of air conditioning and HVAC systems, including:
checking and adjusting compressor drive belts
changing filters
clearing evaporator water outlet
cleaning condenser
post-service testing procedures of air conditioning and HVAC systems, including system performance testing and using thermometers to check vent temperatures
procedures for completing workplace documentation, including ARCtick service decal sticker.
Assessors must satisfy NVR/AQTF assessor requirements and hold an Australian Refrigerant Council (ARC) Refrigerant Handling licence.
Competency is to be assessed in the workplace or a simulated environment that accurately reflects performance in a real workplace setting.
Assessment must include direct observation of tasks.
Where assessment of competency includes third-party evidence, individuals must provide evidence that links them to the air conditioning and HVAC systems that they have serviced, e.g. repair orders.
Assessors must verify performance evidence through questioning on skills and knowledge to ensure correct interpretation and application.
The following resources must be made available:
automotive service repair workplace or simulated workplace
workplace instructions
air conditioning and HVAC system manufacturer specifications
Australian automotive code of practice: Control of refrigerant gases during manufacture, installation, servicing or de-commissioning of motor vehicle air conditioners
two different vehicles or machinery with air conditioning and HVAC systems requiring servicing
tools, equipment and materials appropriate for servicing air conditioning and HVAC systems, including:
thermometer
manifold and gauge set.
Copy and paste from the following performance criteria to create an observation checklist for each task. When you have finished writing your assessment tool every one of these must have been addressed, preferably several times in a variety of contexts. To ensure this occurs download the assessment matrix for the unit; enter each assessment task as a column header and place check marks against each performance criteria that task addresses.
Observation Checklist
Tasks to be observed according to workplace/college/TAFE policy and procedures, relevant legislation and Codes of Practice
Yes
No
Comments/feedback
Job requirements are determined from workplace instructions
Service information, manufacturer specifications, and relevant code of practice are accessed and interpreted
Servicing options are analysed and those most appropriate to the circumstances are selected
Hazards associated with the work are identified and risks are managed
Servicing tools and equipment are selected and checked for serviceability
System is visually checked to establish extent of possible failure or damage
System performance tests are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or system
Findings, including recommendations for required repairs or adjustments, are reported according to workplace procedures
System and components are serviced according to manufacturer specifications, workplace procedures and relevant code of practice
Code of practice regulations regarding topping up refrigerant are interpreted and applied during service procedures
Post-service performance tests are carried out to confirm that reported service issue has been resolved and that no other problems are present
Final inspection is made to ensure work is to workplace expectations and vehicle or machinery is presented ready for use
Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
Tools and equipment are checked and stored and any faulty electrical equipment is identified, tagged and isolated according to workplace procedures
Australian Refrigeration Council accredited (ARCtick)service decal sticker and other required workplace documentation are completed and processed according to workplace procedures
Job requirements are determined from workplace instructions
Service information, manufacturer specifications, and relevant code of practice are accessed and interpreted
Servicing options are analysed and those most appropriate to the circumstances are selected
Hazards associated with the work are identified and risks are managed
Servicing tools and equipment are selected and checked for serviceability
System is visually checked to establish extent of possible failure or damage
System performance tests are carried out according to manufacturer specifications, workplace procedures, and safety and environmental requirements, and without causing damage to components or system
Findings, including recommendations for required repairs or adjustments, are reported according to workplace procedures
System and components are serviced according to manufacturer specifications, workplace procedures and relevant code of practice
Code of practice regulations regarding topping up refrigerant are interpreted and applied during service procedures
Post-service performance tests are carried out to confirm that reported service issue has been resolved and that no other problems are present
Final inspection is made to ensure work is to workplace expectations and vehicle or machinery is presented ready for use
Work area is cleaned, waste and non-recyclable materials are disposed of, and recyclable material is collected
Tools and equipment are checked and stored and any faulty electrical equipment is identified, tagged and isolated according to workplace procedures
Australian Refrigeration Council accredited (ARCtick)service decal sticker and other required workplace documentation are completed and processed according to workplace procedures
Forms
Assessment Cover Sheet
AURETU003 - Service air conditioning and HVAC systems
Assessment task 1: [title]
Student name:
Student ID:
I declare that the assessment tasks submitted for this unit are my own work.
Student signature:
Result: Competent Not yet competent
Feedback to student
Assessor name:
Signature:
Date:
Assessment Record Sheet
AURETU003 - Service air conditioning and HVAC systems
Student name:
Student ID:
Assessment task 1: [title] Result: Competent Not yet competent
(add lines for each task)
Feedback to student:
Overall assessment result: Competent Not yet competent