Bulilima-Mangwe Institute of Technology

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

Sections: 4

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Activities: 1

•

Resources: 18

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

Each subject below includes its purpose, learning outcomes, main topics, practical task and assessment approach.

Commercial And Industrial Refrigeration Systems

Specialist subjects

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.

Safety, Health, Environmental Management And Quality Standards

Foundations and shared practice

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.

Refrigeration Systems Technology

Specialist subjects

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

Specialist subjects

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

Specialist subjects

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

Specialist subjects

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

Specialist subjects

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

Specialist subjects

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.

Computer Applications In Mechanical Eng

Foundations and shared practice

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

Foundations and shared practice

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.

Air Conditioning Technology

Specialist subjects

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

Specialist subjects

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

Specialist subjects

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.

Computer Applications In Mechanical Engineering

Foundations and shared practice

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

Foundations and shared practice

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

Foundations and shared practice

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.

On The Job Education And Training

Practical integration

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)

Practical integration

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.