MEM234018 — Design heating, ventilation, air conditioning and refrigeration control systems

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What an assessment for MEM234018 must cover

48 assessable components: 3 elements (19 performance criteria), 10 performance evidence and 19 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 Clarify the design brief and specifications for HVACR control system

1.1Establish required features and performance parameters of HVACR control system
1.2Confirm technical, commercial and environmental parameters of the brief or contract
1.3Determine stakeholders to be consulted in design process
1.4Assess work health and safety (WHS), regulatory, sustainability or environmental issues relevant to the design task
1.5Confirm design brief including budget and schedule and provide preliminary advice on feasibility

2 Evaluate design analysis and prepare concept proposals

2.1Appraise initial qualitative and quantitative analysis of the design task
2.2Carry out required detailed modelling and calculations using appropriate software and validation techniques appropriate to system environment
2.3Generate solutions that respond to the design brief for an HVACR control system
2.4Develop an associated energy management plan for the design
2.5Integrate building management systems (BMS) considerations into the design based on requirements of the brief
2.6Check feasibility and evaluate solutions against design criteria, ensuring conformity to standards and codes, technical, economic and WHS requirements
2.7Determine social and sustainability implications of solutions
2.8Present concept proposals to client

3 Design HVACR control system

3.1Evaluate concept proposals with client
3.2Ensure that design solution is optimised with respect to the system specifications
3.3Finalise selected design, including equipment, layout and fluid requirements
3.4Ensure preparation of all required documentation, drawings, specifications and instructions
3.5Consult with client and stakeholders to obtain sign-off on design
3.6Monitor installation and commissioning with stakeholders and make any necessary adjustments to design

Performance evidence

establishing required features of heating, ventilation and refrigeration plant and equipment
confirming parameters of the brief or contract and providing initial advice based on discipline knowledge, standards, work health and safety (WHS), regulatory and risk assessment requirements
researching sustainability implications and current industrial design techniques
investigating, measuring, modelling and calculating using appropriate software and validation techniques
investigating faults in existing designs and proposing solutions
innovating and creating solutions, incorporating systems thinking, continuous improvement and constraint and contingency management
designing control systems and energy management plans on at least two occasions, using current design criteria and programming building control systems software
applying safe working practices and procedures
communicating, negotiating and reviewing with stakeholders and client throughout the process to obtain agreement on proposal and sign-off on design
documenting design through the production of graphics, drawings, specifications and instructions

Knowledge evidence

contemporary engineering design methods
heating, ventilation, air conditioning and refrigeration (HVACR) control systems
brief or contract parameters
energy management principles
relevant engineering design methods
design, research, modelling and computational methodologies applied to HVACR control systems
design methods, research and investigations methods
techniques for: continuous improvement, problem solving and decision making, root cause analysis (RCA) or failure mode and effects analysis (FMEA) or design review based on failure mode (DRBFM), and Pareto analysis
WHS and regulatory requirements, codes of practice, standards, risk minimisation and registration requirements
control system principles applied to HVACR systems
types of control equipment
system specifications
system hardware requirements including industrial and commercial refrigeration systems, hydronic systems and automated controls
HVACR load cycles
principles of building management systems (BMS) and building management control system software
energy options including unit tariffs, system and component consumption, benchmarks for energy costs and comparative tariffs of supply authorities
interface principles for system components
major system hardware component control and energy requirements
interface principles and techniques for electrical, electronic, pneumatic and hydraulic sensors and actuators

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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Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:

Questions about assessing MEM234018

What does an assessment tool for MEM234018 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEM234018 needs to address all 48 unit components: 3 elements with 19 performance criteria, 10 performance evidence requirements, 19 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 MEM234018?

Auditori pulls the current release of MEM234018 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 MEM234018 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEM234018 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 MEM234018, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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