National Certificate in Refrigeration Technology
This course develops your ability to understand refrigeration and air-conditioning systems and develop supervised diagnostic and service skills.
About the course
This course develops your ability to understand refrigeration and air-conditioning systems and develop supervised diagnostic and service skills. Learning combines technical study with practical tasks relevant to Southern African organisations and communities.
What you'll learn
Explain the operation of a refrigeration or air-conditioning cycle.
Use supervised measurements to assess system performance.
Document a fault diagnosis and evaluate proposed maintenance work.
Requirements
Review your English, numerical skills and introductory knowledge of the subject. Prepare to follow technical instructions, record results and complete supervised practical work. Check the provider's published admission requirements for this certificate before enrolment.
Course content
The programme combines supporting studies, specialist subjects and practical integration. Each subject below includes its learning focus, outcomes, practice and assessment.
3 learning stages 18 subjects
1Specialist subjects10 subjects
2Foundations and shared practice6 subjects
3Practical integration2 subjects
Subjects in this programme
The programme combines supporting studies, specialist subjects and practical integration. Each subject below includes its learning focus, outcomes, practice and assessment.
18 subjects are listed below with a short description of each. The Subject descriptions tab contains the learning outcomes, topics, practical tasks and assessments.
Specialist subjects
- Commercial And Industrial Refrigeration Systems. Study the control of temperature and indoor conditions through thermal systems. Practice centres on a training-rig performance and maintenance report, drawing on refrigeration cycles and main components and heating, cooling and ventilation loads. You will record findings, justify decisions and check cycle consistency, recorded measurements and safe professional boundaries.
- Refrigeration Systems Technology. Study the control of temperature and indoor conditions through thermal systems. Practice centres on a training-rig performance and maintenance report, drawing on refrigeration cycles and main components and heating, cooling and ventilation loads. You will record findings, justify decisions and check cycle consistency, recorded measurements and safe professional boundaries.
- Engineering Drawing. Study the communication of technical information through drawings and models. Practice centres on a checked drawing or model portfolio, drawing on drawing conventions, scale and dimensions and views, sections and projection. You will record findings, justify decisions and check dimensional consistency, completeness and usability by another person.
- Applied Engineering Science. Study the identification and interpretation of material properties through scientific analysis. Practice centres on a supervised sample-analysis and results portfolio, drawing on material composition and chemical relationships and units, solutions and quantitative reasoning. You will record findings, justify decisions and check sample integrity, calculations, quality controls and the limits of interpretation.
- Electrical Technology 1. Study the behaviour and interconnection of electrical and electronic circuits. Practice centres on a circuit-analysis and low-voltage testing portfolio, drawing on electrical quantities and circuit relationships and components, symbols and device behaviour. You will record findings, justify decisions and check measurement technique, circuit assumptions and repeatability.
- Plant Installation. Study the preparation, upkeep and reliable operation of equipment and work processes. Practice centres on an equipment or process maintenance and verification portfolio, drawing on system purpose and operating requirements and technical records and equipment condition. You will record findings, justify decisions and check condition evidence, task authorisation and recorded function checks.
- Plant Maintenance And Repair. Study the preparation, upkeep and reliable operation of equipment and work processes. Practice centres on an equipment or process maintenance and verification portfolio, drawing on system purpose and operating requirements and technical records and equipment condition. You will record findings, justify decisions and check condition evidence, task authorisation and recorded function checks.
- Air Conditioning Technology. Study the control of temperature and indoor conditions through thermal systems. Practice centres on a training-rig performance and maintenance report, drawing on refrigeration cycles and main components and heating, cooling and ventilation loads. You will record findings, justify decisions and check cycle consistency, recorded measurements and safe professional boundaries.
- Mechanical Engineering Communication Skills. Study the operation, inspection and servicing of vehicle or plant systems. Practice centres on a vehicle-system inspection, diagnosis and service portfolio, drawing on system components and operating sequence and drawings, service information and measurements. You will record findings, justify decisions and check the evidence supporting diagnosis and the results of post-service checks.
- Electrical Technology 2. Study the behaviour and interconnection of electrical and electronic circuits. Practice centres on a circuit-analysis and low-voltage testing portfolio, drawing on electrical quantities and circuit relationships and components, symbols and device behaviour. You will record findings, justify decisions and check measurement technique, circuit assumptions and repeatability.
Foundations and shared practice
- Safety, Health, Environmental Management And Quality Standards. Study the prevention of harm and the control of quality during vocational work. Practice centres on a task risk assessment, inspection record and improvement plan, drawing on hazard identification and exposure routes and risk assessment and control hierarchy. You will record findings, justify decisions and check whether controls address the identified hazard rather than relying on labels alone.
- Computer Applications In Mechanical Eng. Study the use of digital tools to organise information and produce reliable work records. Practice centres on a linked set of documents, calculations and presentation files, drawing on files, folders, naming and version control and word-processing layouts and structured documents. You will record findings, justify decisions and check formula accuracy, consistency, readability and recoverability.
- Applied Engineering Mathematics. Study mathematical reasoning for interpreting measurements and solving vocational problems. Practice centres on a worked problem portfolio using occupational data, drawing on units, ratios and numerical accuracy and algebraic relationships and equations. You will record findings, justify decisions and check units, numerical accuracy and the reasonableness of the result.
- Computer Applications In Mechanical Engineering. Study the use of digital tools to organise information and produce reliable work records. Practice centres on a linked set of documents, calculations and presentation files, drawing on files, folders, naming and version control and word-processing layouts and structured documents. You will record findings, justify decisions and check formula accuracy, consistency, readability and recoverability.
- National Studies. Study the relationship between citizenship, public institutions and working life. Practice centres on a local public-service case review, drawing on constitutional principles and public institutions and citizenship and civic responsibilities. You will record findings, justify decisions and check the distinction between fact, opinion and unsupported claims.
- Entrepreneurial Skills Development. Study the development of a viable small enterprise from a defined customer need. Practice centres on a small-enterprise plan and test record, drawing on customer problems and enterprise opportunities and products, services and value propositions. You will record findings, justify decisions and check whether the financial assumptions and customer evidence support the proposal.
Practical integration
- On The Job Education And Training. Apply your learning through agreed duties in a supervised workplace. You will connect commercial and industrial refrigeration systems, refrigeration systems technology with routine service or production responsibilities. Keep evidence of preparation, work completed and feedback. Review your progress with the supervisor and explain how your decisions affect quality, safety and other people.
- Workshop Practice (Skills Proficiency). Demonstrate the practical skills developed across the programme. Tasks integrate commercial and industrial refrigeration systems, refrigeration systems technology within an agreed work brief. You will prepare resources, carry out the authorised task and check the result. Your evidence should show consistent performance, accurate records and an explanation of decisions within your learner role.
Assessment and practical learning
- Suggested learning checks: applied questions, calculations or short cases linked to the learning areas.
- Suggested practical assessment: demonstrate a procedure and submit a portfolio showing your method, results and quality checks.
- Explain your decisions to the assessor and use feedback to improve the completed work.
Practical application
Develop a supervised refrigeration training-rig portfolio with a system diagram, measurements and maintenance records.
Subject descriptions
Select a subject to read its learning outcomes, main topics, practical task and assessment.
Specialist subjects
Commercial And Industrial Refrigeration Systems
Study the control of temperature and indoor conditions through thermal systems. Practice centres on a training-rig performance and maintenance report, drawing on refrigeration cycles and main components and heating, cooling and ventilation loads. You will record findings, justify decisions and check cycle consistency, recorded measurements and safe professional boundaries.
Learning outcomes
- Explain the operation of a defined thermal-conditioning system.
- Interpret measurements against expected cycle behaviour.
- Recommend a supervised service or performance improvement.
Main topics
- Refrigeration cycles and main components
- Heating, cooling and ventilation loads
- Air properties and comfort considerations
- Controls, electrical interfaces and operation
- System measurements and fault reasoning
- Maintenance, energy use and environmental care
Practical task
For Commercial And Industrial Refrigeration Systems, prepare a training-rig performance and maintenance report in a refrigeration technology setting. Use supplied records, a realistic simulation or authorised supervised practice. Include your working and checks of cycle consistency, recorded measurements and safe professional boundaries.
Assessment
Applied questions, a worked case and an individual explanation supported by calculations, diagrams or records.
Refrigeration Systems Technology
Study the control of temperature and indoor conditions through thermal systems. Practice centres on a training-rig performance and maintenance report, drawing on refrigeration cycles and main components and heating, cooling and ventilation loads. You will record findings, justify decisions and check cycle consistency, recorded measurements and safe professional boundaries.
Learning outcomes
- Explain the operation of a defined thermal-conditioning system.
- Interpret measurements against expected cycle behaviour.
- Recommend a supervised service or performance improvement.
Main topics
- Refrigeration cycles and main components
- Heating, cooling and ventilation loads
- Air properties and comfort considerations
- Controls, electrical interfaces and operation
- System measurements and fault reasoning
- Maintenance, energy use and environmental care
Practical task
For Refrigeration Systems Technology, prepare a training-rig performance and maintenance report in a refrigeration technology setting. Use supplied records, a realistic simulation or authorised supervised practice. Include your working and checks of cycle consistency, recorded measurements and safe professional boundaries.
Assessment
Applied questions, a worked case and an individual explanation supported by calculations, diagrams or records.
Engineering Drawing
Study the communication of technical information through drawings and models. Practice centres on a checked drawing or model portfolio, drawing on drawing conventions, scale and dimensions and views, sections and projection. You will record findings, justify decisions and check dimensional consistency, completeness and usability by another person.
Learning outcomes
- Interpret a drawing using scale, dimensions and conventions.
- Produce coordinated technical views for a stated purpose.
- Check and revise a drawing set using recorded feedback.
Main topics
- Drawing conventions, scale and dimensions
- Views, sections and projection
- Interpreting a technical brief
- Manual and computer-aided drawing tools
- Detail coordination and revision control
- Checking drawings against measurements and specifications
Practical task
For Engineering Drawing, prepare a checked drawing or model portfolio in a refrigeration technology setting. Use supplied records, a realistic simulation or authorised supervised practice. Include your working and checks of dimensional consistency, completeness and usability by another person.
Assessment
Applied questions, a worked case and an individual explanation supported by calculations, diagrams or records.
Applied Engineering Science
Study the identification and interpretation of material properties through scientific analysis. Practice centres on a supervised sample-analysis and results portfolio, drawing on material composition and chemical relationships and units, solutions and quantitative reasoning. You will record findings, justify decisions and check sample integrity, calculations, quality controls and the limits of interpretation.
Learning outcomes
- Prepare a scientific analysis from a defined sample question.
- Interpret results using calculations and suitable quality evidence.
- Report findings with units, uncertainty and handling records.
Main topics
- Material composition and chemical relationships
- Units, solutions and quantitative reasoning
- Sampling, preparation and contamination control
- Analytical methods and instrument principles
- Results, uncertainty and quality checks
- Chemical safety, waste and reporting
Practical task
For Applied Engineering Science, prepare a supervised sample-analysis and results portfolio in a refrigeration technology setting. Use supplied records, a realistic simulation or authorised supervised practice. Include your working and checks of sample integrity, calculations, quality controls and the limits of interpretation.
Assessment
Applied questions, a worked case and an individual explanation supported by calculations, diagrams or records.
Electrical Technology 1
Study the behaviour and interconnection of electrical and electronic circuits. Practice centres on a circuit-analysis and low-voltage testing portfolio, drawing on electrical quantities and circuit relationships and components, symbols and device behaviour. You will record findings, justify decisions and check measurement technique, circuit assumptions and repeatability.
Learning outcomes
- Explain circuit behaviour using a diagram and relevant quantities.
- Measure a supervised training circuit and compare results with predictions.
- Locate a fault using a documented sequence of checks.
Main topics
- Electrical quantities and circuit relationships
- Components, symbols and device behaviour
- Analogue and digital signal concepts
- Circuit construction and measurement
- Fault isolation and interpretation
- Documentation, reliability and safe testing
Practical task
For Electrical Technology 1, prepare a circuit-analysis and low-voltage testing portfolio in a refrigeration technology setting. Use supplied records, a realistic simulation or authorised supervised practice. Include your working and checks of measurement technique, circuit assumptions and repeatability.
Assessment
Applied questions, a worked case and an individual explanation supported by calculations, diagrams or records.
Plant Installation
Study the preparation, upkeep and reliable operation of equipment and work processes. Practice centres on an equipment or process maintenance and verification portfolio, drawing on system purpose and operating requirements and technical records and equipment condition. You will record findings, justify decisions and check condition evidence, task authorisation and recorded function checks.
Learning outcomes
- Plan a maintenance or operating task from technical information.
- Use inspection evidence to identify a justified action.
- Document the work and verify the result against stated criteria.
Main topics
- System purpose and operating requirements
- Technical records and equipment condition
- Work preparation, resources and authorisation
- Inspection, fault reasoning and maintenance choices
- Function tests and return-to-service evidence
- Reliability, downtime and improvement records
Practical task
For Plant Installation, prepare an equipment or process maintenance and verification portfolio in a refrigeration technology setting. Use supplied records, a realistic simulation or authorised supervised practice. Include your working and checks of condition evidence, task authorisation and recorded function checks.
Assessment
Direct observation of the task, the completed output and oral explanation of the method.
Plant Maintenance And Repair
Study the preparation, upkeep and reliable operation of equipment and work processes. Practice centres on an equipment or process maintenance and verification portfolio, drawing on system purpose and operating requirements and technical records and equipment condition. You will record findings, justify decisions and check condition evidence, task authorisation and recorded function checks.
Learning outcomes
- Plan a maintenance or operating task from technical information.
- Use inspection evidence to identify a justified action.
- Document the work and verify the result against stated criteria.
Main topics
- System purpose and operating requirements
- Technical records and equipment condition
- Work preparation, resources and authorisation
- Inspection, fault reasoning and maintenance choices
- Function tests and return-to-service evidence
- Reliability, downtime and improvement records
Practical task
For Plant Maintenance And Repair, prepare an equipment or process maintenance and verification portfolio in a refrigeration technology setting. Use supplied records, a realistic simulation or authorised supervised practice. Include your working and checks of condition evidence, task authorisation and recorded function checks.
Assessment
Direct observation of the task, the completed output and oral explanation of the method.
Air Conditioning Technology
Study the control of temperature and indoor conditions through thermal systems. Practice centres on a training-rig performance and maintenance report, drawing on refrigeration cycles and main components and heating, cooling and ventilation loads. You will record findings, justify decisions and check cycle consistency, recorded measurements and safe professional boundaries.
Learning outcomes
- Explain the operation of a defined thermal-conditioning system.
- Interpret measurements against expected cycle behaviour.
- Recommend a supervised service or performance improvement.
Main topics
- Refrigeration cycles and main components
- Heating, cooling and ventilation loads
- Air properties and comfort considerations
- Controls, electrical interfaces and operation
- System measurements and fault reasoning
- Maintenance, energy use and environmental care
Practical task
For Air Conditioning Technology, prepare a training-rig performance and maintenance report in a refrigeration technology setting. Use supplied records, a realistic simulation or authorised supervised practice. Include your working and checks of cycle consistency, recorded measurements and safe professional boundaries.
Assessment
Applied questions, a worked case and an individual explanation supported by calculations, diagrams or records.
Mechanical Engineering Communication Skills
Study the operation, inspection and servicing of vehicle or plant systems. Practice centres on a vehicle-system inspection, diagnosis and service portfolio, drawing on system components and operating sequence and drawings, service information and measurements. You will record findings, justify decisions and check the evidence supporting diagnosis and the results of post-service checks.
Learning outcomes
- Explain the operation of the system named in the task.
- Use observations and measurements to narrow a fault.
- Document supervised service work and verify the result.
Main topics
- System components and operating sequence
- Drawings, service information and measurements
- Fuel, electrical or mechanical interfaces
- Inspection and structured fault diagnosis
- Supervised service and adjustment
- Performance checks and maintenance records
Practical task
For Mechanical Engineering Communication Skills, prepare a vehicle-system inspection, diagnosis and service portfolio in a refrigeration technology setting. Use supplied records, a realistic simulation or authorised supervised practice. Include your working and checks of the evidence supporting diagnosis and the results of post-service checks.
Assessment
Applied questions, a worked case and an individual explanation supported by calculations, diagrams or records.
Electrical Technology 2
Study the behaviour and interconnection of electrical and electronic circuits. Practice centres on a circuit-analysis and low-voltage testing portfolio, drawing on electrical quantities and circuit relationships and components, symbols and device behaviour. You will record findings, justify decisions and check measurement technique, circuit assumptions and repeatability.
Learning outcomes
- Explain circuit behaviour using a diagram and relevant quantities.
- Measure a supervised training circuit and compare results with predictions.
- Locate a fault using a documented sequence of checks.
Main topics
- Electrical quantities and circuit relationships
- Components, symbols and device behaviour
- Analogue and digital signal concepts
- Circuit construction and measurement
- Fault isolation and interpretation
- Documentation, reliability and safe testing
Practical task
For Electrical Technology 2, prepare a circuit-analysis and low-voltage testing portfolio in a refrigeration technology setting. Use supplied records, a realistic simulation or authorised supervised practice. Include your working and checks of measurement technique, circuit assumptions and repeatability.
Assessment
Applied questions, a worked case and an individual explanation supported by calculations, diagrams or records.
Foundations and shared practice
Safety, Health, Environmental Management And Quality Standards
Study the prevention of harm and the control of quality during vocational work. Practice centres on a task risk assessment, inspection record and improvement plan, drawing on hazard identification and exposure routes and risk assessment and control hierarchy. You will record findings, justify decisions and check whether controls address the identified hazard rather than relying on labels alone.
Learning outcomes
- Identify hazards and select controls appropriate to the task.
- Follow an agreed safe-work and quality-check procedure.
- Record an incident or defect and recommend corrective action.
Main topics
- Hazard identification and exposure routes
- Risk assessment and control hierarchy
- Safe work preparation and protective equipment
- Environmental impacts and waste handling
- Incident reporting and emergency communication
- Inspection records and corrective action
Practical task
For Safety, Health, Environmental Management And Quality Standards, prepare a task risk assessment, inspection record and improvement plan in a refrigeration technology setting. Use supplied records, a realistic simulation or authorised supervised practice. Include your working and checks of whether controls address the identified hazard rather than relying on labels alone.
Assessment
Applied questions, a worked case and an individual explanation supported by calculations, diagrams or records.
Computer Applications In Mechanical Eng
Study the use of digital tools to organise information and produce reliable work records. Practice centres on a linked set of documents, calculations and presentation files, drawing on files, folders, naming and version control and word-processing layouts and structured documents. You will record findings, justify decisions and check formula accuracy, consistency, readability and recoverability.
Learning outcomes
- Create and organise files for a defined work task.
- Use a spreadsheet or document tool to process information accurately.
- Check outputs and protect the underlying information.
Main topics
- Files, folders, naming and version control
- Word-processing layouts and structured documents
- Spreadsheet calculations and charts
- Presentation of findings and supporting evidence
- Data entry, validation and checking
- Access controls, backup and responsible information use
Practical task
For Computer Applications In Mechanical Eng, prepare a linked set of documents, calculations and presentation files in a refrigeration technology setting. Use supplied records, a realistic simulation or authorised supervised practice. Include your working and checks of formula accuracy, consistency, readability and recoverability.
Assessment
Applied questions, a worked case and an individual explanation supported by calculations, diagrams or records.
Applied Engineering Mathematics
Study mathematical reasoning for interpreting measurements and solving vocational problems. Practice centres on a worked problem portfolio using occupational data, drawing on units, ratios and numerical accuracy and algebraic relationships and equations. You will record findings, justify decisions and check units, numerical accuracy and the reasonableness of the result.
Learning outcomes
- Select a mathematical method suited to a stated problem.
- Show calculations with consistent units and clear assumptions.
- Check the result against an independent estimate or known constraint.
Main topics
- Units, ratios and numerical accuracy
- Algebraic relationships and equations
- Graphs, tables and interpretation
- Geometry and measurement applications
- Descriptive statistics and variation
- Model assumptions, checking and technical reporting
Practical task
For Applied Engineering Mathematics, prepare a worked problem portfolio using occupational data in a refrigeration technology setting. Use supplied records, a realistic simulation or authorised supervised practice. Include your working and checks of units, numerical accuracy and the reasonableness of the result.
Assessment
Applied questions, a worked case and an individual explanation supported by calculations, diagrams or records.
Computer Applications In Mechanical Engineering
Study the use of digital tools to organise information and produce reliable work records. Practice centres on a linked set of documents, calculations and presentation files, drawing on files, folders, naming and version control and word-processing layouts and structured documents. You will record findings, justify decisions and check formula accuracy, consistency, readability and recoverability.
Learning outcomes
- Create and organise files for a defined work task.
- Use a spreadsheet or document tool to process information accurately.
- Check outputs and protect the underlying information.
Main topics
- Files, folders, naming and version control
- Word-processing layouts and structured documents
- Spreadsheet calculations and charts
- Presentation of findings and supporting evidence
- Data entry, validation and checking
- Access controls, backup and responsible information use
Practical task
For Computer Applications In Mechanical Engineering, prepare a linked set of documents, calculations and presentation files in a refrigeration technology setting. Use supplied records, a realistic simulation or authorised supervised practice. Include your working and checks of formula accuracy, consistency, readability and recoverability.
Assessment
Applied questions, a worked case and an individual explanation supported by calculations, diagrams or records.
National Studies
Study the relationship between citizenship, public institutions and working life. Practice centres on a local public-service case review, drawing on constitutional principles and public institutions and citizenship and civic responsibilities. You will record findings, justify decisions and check the distinction between fact, opinion and unsupported claims.
Learning outcomes
- Explain the role of public institutions in a community issue.
- Compare perspectives using identifiable evidence.
- Prepare a reasoned civic or workplace contribution.
Main topics
- Constitutional principles and public institutions
- Citizenship and civic responsibilities
- Zimbabwean history and national development
- Cultural diversity and community participation
- Work, enterprise and public services
- Evidence, public debate and responsible participation
Practical task
For National Studies, prepare a local public-service case review in a refrigeration technology setting. Use supplied records, a realistic simulation or authorised supervised practice. Include your working and checks of the distinction between fact, opinion and unsupported claims.
Assessment
Applied questions, a worked case and an individual explanation supported by calculations, diagrams or records.
Entrepreneurial Skills Development
Study the development of a viable small enterprise from a defined customer need. Practice centres on a small-enterprise plan and test record, drawing on customer problems and enterprise opportunities and products, services and value propositions. You will record findings, justify decisions and check whether the financial assumptions and customer evidence support the proposal.
Learning outcomes
- Define a customer need and a practical enterprise response.
- Estimate resources, costs and cash requirements.
- Revise a business proposal using evidence from a small market test.
Main topics
- Customer problems and enterprise opportunities
- Products, services and value propositions
- Startup resources and operating costs
- Pricing, cash flow and basic records
- Market testing and customer feedback
- Business risks, responsibilities and growth choices
Practical task
For Entrepreneurial Skills Development, prepare a small-enterprise plan and test record in a refrigeration technology setting. Use supplied records, a realistic simulation or authorised supervised practice. Include your working and checks of whether the financial assumptions and customer evidence support the proposal.
Assessment
Applied questions, a worked case and an individual explanation supported by calculations, diagrams or records.
Practical integration
On The Job Education And Training
Apply your learning through agreed duties in a supervised workplace. You will connect commercial and industrial refrigeration systems, refrigeration systems technology with routine service or production responsibilities. Keep evidence of preparation, work completed and feedback. Review your progress with the supervisor and explain how your decisions affect quality, safety and other people.
Learning outcomes
- Complete agreed duties within the supervised role.
- Maintain a traceable record of work and feedback.
- Evaluate progress and identify specific development needs.
Main topics
- Workplace induction and agreed duties
- Applying technical knowledge to real work
- Work records and evidence of contribution
- Team communication and professional conduct
- Supervisor feedback and skills development
- Reflective review and future learning priorities
Practical task
Complete supervised duties linked to National Certificate in Refrigeration Technology. Keep a logbook, samples of permitted work and supervisor feedback.
Assessment
Assessment uses the agreed work plan, supervisor observation, work evidence and an individual reflective discussion.
Workshop Practice (Skills Proficiency)
Demonstrate the practical skills developed across the programme. Tasks integrate commercial and industrial refrigeration systems, refrigeration systems technology within an agreed work brief. You will prepare resources, carry out the authorised task and check the result. Your evidence should show consistent performance, accurate records and an explanation of decisions within your learner role.
Learning outcomes
- Plan and complete an integrated task to agreed criteria.
- Demonstrate safe and consistent practical performance.
- Explain the result and correct identified weaknesses.
Main topics
- Interpreting an integrated work brief
- Preparing tools, information and resources
- Demonstrating the required technical skills
- Checking output against agreed criteria
- Responding to faults and assessor feedback
- Presenting evidence and explaining decisions
Practical task
Develop a supervised refrigeration training-rig portfolio with a system diagram, measurements and maintenance records.
Assessment
Direct observation, the completed output, a quality-check record and oral questions provide the evidence for this subject.
Instructors
