MEM23130Coordinate servicing and fault-finding of HVACR control systems

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What an assessment for MEM23130 must cover

55 assessable components: 4 elements (25 performance criteria), 12 performance evidence and 18 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Prepare for HVACR analysis and service task

  • 1.1Establish type, location and scope of control systems for HVACR plant
  • 1.2Identify stakeholders to be consulted during analysis and service
  • 1.3Lead review of functions and features of HVACR system
  • 1.4Establish software and software techniques required for evaluation
  • 1.5Identify relevant WHS, regulatory and environmental requirements
  • 1.6Investigate sustainability implications of HVACR control and energy management systems

2 Coordinate review and analysis of HVACR control system

  • 2.1Review passive characteristics, heat loads and energy requirements for the HVACR system
  • 2.2Review energy options, tariffs, system and component consumption against benchmarks and comparative tariffs
  • 2.3Confirm scope of control system hardware, including controllers, analog and digital input/output (I/O), interfaces and actuators, including electrical, electronic, pneumatic and hydraulic devices
  • 2.4Review, map and monitor HVACR control system, protocols and topology, system function, control settings, I/O, and major system hardware components and energy requirements
  • 2.5Identify building management system control system software and programming techniques
  • 2.6Supervise selection of tools, equipment, testing devices and materials required for service and fault-finding
  • 2.7Determine required measurements and measurement techniques
  • 2.8Supervise calibration, set up, and test measurement equipment procedures
  • 2.9Identify appropriate analysis techniques, analysis and simulation software and software validation techniques

3 Coordinate servicing, fault-finding and optimising of HVACR control systems

  • 3.1Supervise measuring of the performance of the control system in maintaining specified environmental conditions
  • 3.2Adjust HVACR system to specifications and in accordance with organisational procedures
  • 3.3Ensure isolation, repair or replacement of components not performing to specification
  • 3.4Validate control programs and software for system performance and simulation
  • 3.5Supervise testing or measuring on an electrically live system
  • 3.6Ensure compliance with WHS, regulatory, environmental and risk management requirements
  • 3.7Optimise the control system for economic and efficient operation through daily, seasonal and annual cycles
  • 3.8Develop control diagram and record settings for optimal system performance

4 Report results

  • 4.1Record results, including rectification or improvement recommendations
  • 4.2Provide report and supporting documentation including thermal and control system audits, energy costing, efficiency evaluations, control system map and signal diagrams, control programs, system analysis and simulation files

Performance evidence

  • interpreting drawings, diagrams, manuals and design information to determine heating, ventilation, air conditioning and refrigeration (HVACR) control system layout, components and functions
  • communicating HVACR servicing and fault-finding tasks and requirements on at least two occasions
  • identifying relevant work health and safety (WHS), other regulatory requirements, standards and codes
  • investigating sustainability implications of HVACR control systems
  • assessing HVACR control system and hardware on at least two occasions, including building management system control systems
  • selecting and using appropriate analysis and simulation software and validation techniques
  • reviewing thermal loads, hardware, energy options, tariffs, consumption, benchmarks and comparative tariffs
  • mapping and monitoring control system, input/output (I/O), hardware and energy use on at least two occasions
  • optimising HVACR control system for seasonal and load cycles
  • measuring control system performance
  • developing optimal control diagram and settings
  • reporting and documenting results including efficiency evaluations, maps and diagrams, programs, analysis and simulation files and conclusions.

Knowledge evidence

  • WHS and regulatory requirements, codes of practice, standards, risk management and registration requirements
  • sources of professional and technical assistance
  • trends in HVACR system design, installation, operation and maintenance including integration with energy management systems
  • current options and trends in performance analysis software including underpinning program techniques
  • HVACR control systems applications
  • sustainability implications of HVACR systems control and energy management systems
  • analog and digital inputs and outputs
  • building management systems features and functions related to HVACR and integration with other features including: lighting, alarms and security; multi-zone operation; operating modes including occupied, unoccupied, morning warm-up, and night-time setback
  • features, components, functions, protocols and topology of HVACR control systems including: protocols and topology; control settings; I/O devices and techniques; software and programming techniques
  • proportional- integral-derivative (PID) controller functions in HVACR control systems
  • interface principles and techniques for electrical, electronic, pneumatic and hydraulic sensors and actuators
  • HVACR principles and techniques related to energy distribution and consumption
  • passive characteristics and heat load on the system under control
  • daily, seasonal and annual HVACR load cycles
  • sources of technical and professional assistance for engineering specialisations
  • energy options, unit tariffs, system and component consumption and benchmarks for energy costs and comparative tariffs
  • testing and measuring devices and materials and their calibration, set-up, test and use
  • analysis techniques including use of analysis and simulation software and software validation techniques.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing MEM23130

What does an assessment tool for MEM23130 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEM23130 needs to address all 55 unit components: 4 elements with 25 performance criteria, 12 performance evidence requirements, 18 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for MEM23130?

Auditori pulls the current release of MEM23130 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for MEM23130 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEM23130 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of MEM23130, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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