UEERA0018 — Design complex commercial refrigeration systems and select equipment
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What an assessment for UEERA0018 must cover
80 assessable components: 3 elements (14 performance criteria), 9 performance evidence and 57 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 to design complex commercial refrigeration system
- 1.1WHS/OHS requirements and workplace procedures for a given work area are identified, obtained and applied
- 1.2WHS/OHS risk control measures and workplace procedures are followed in preparation for the work
- 1.3Scope of the proposed refrigeration system is determined from the design brief and/or consultations with relevant person/s
- 1.4Design development work is planned in accordance with workplace procedures for timelines in consultation with others involved
2 Design complex commercial refrigeration system
- 2.1Relevant commercial refrigeration processes and methods are applied to the design
- 2.2Alternative concepts for design are evaluated in accordance with the design brief
- 2.3Safety, functionality and budgetary considerations are incorporated in the design specifications
- 2.4System design draft is checked for compliance in accordance with the design brief and relevant industry standards
- 2.5System design is documented and submitted to relevant person/s for approval in accordance with workplace procedures
- 2.6Unplanned events are dealt with in accordance with problem-solving techniques and workplace procedures
3 Obtain approval for complex commercial refrigeration system design
- 3.1System design is presented to customer and/or relevant person/s in accordance with workplace procedures
- 3.2Requests for alterations to the design are negotiated with relevant person/s in accordance with workplace procedures
- 3.3Final design is documented and approval obtained from relevant person/s in accordance with workplace procedures
- 3.4Quality of work is monitored in accordance with workplace procedures and relevant industry standards
Performance evidence
- developing outlines of alternative designs
- developing the design within the safety, regulatory, functional requirements and budget limitations
- documenting and presenting design effectively
- successfully negotiating design alteration requests
- obtaining approval for final design
- dealing with unplanned events
- applying relevant work health and safety (WHS)/occupational health and safety (WHS/OHS) requirements, including using risk control measures
- designing complex commercial refrigeration system
- preparing to design complex commercial refrigeration system
Knowledge evidence
- complex commercial refrigeration system design, safe working practices and relevant standards, codes and regulations, including:
- commercial refrigeration system types:
- medium and low temperature applications
- operating conditions
- system operating and service requirements
- refrigerant types
- components
- multiple evaporator systems
- multiple temperature systems
- multiple compressor (rack) systems
- two stage compressors
- multiplex systems
- defrost requirements and methods
- electric defrost systems
- hot gas defrost systems
- cool gas defrost systems
- manufacturer’s data:
- rating tables
- selection tables
- catalogues
- operating characteristics:
- effects of temperature glide with blended refrigerants
- pH charts
- refrigerating effect
- heat of compression
- heat rejected on high side of the system
- required mass flowrate of refrigerant
- volume flowrate at various points in system
- theoretical compressor power
- required condenser capacity
- refrigerant flow controls:
- refrigerant regulating valves
- solenoid valves
- expansion valves
- pressure regulating valves
- automatic systems controls:
- cycling controls
- pressure-stats
- thermo-stats
- defrost controls
- monitoring and alarm controls
- energy management systems
- refrigeration automation system
- control strategies
- control modes
- system design:
- required cooling capacity per day
- running time and required system cooling capacity
- system capacity control for peak and low load
- refrigeration system diagrams
- refrigerant, equipment, major component, controls, piping and accessory selection
- problem-solving techniques
- relevant job safety assessments or risk mitigation processes
- relevant manufacturer specifications
- relevant WHS/OHS legislated requirements
- relevant workplace budget, quality, policies and procedures
- relevant workplace documentation
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.
See what you get before you start
Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:
Questions about assessing UEERA0018
What does an assessment tool for UEERA0018 need to cover?
To satisfy the Principles of Assessment and Rules of Evidence, an assessment for UEERA0018 needs to address all 80 unit components: 3 elements with 14 performance criteria, 9 performance evidence requirements, 57 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 UEERA0018?
Auditori pulls the current release of UEERA0018 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 UEERA0018 — with no card and no subscription required. After that it's pay-as-you-go per unit.
Can I check my existing UEERA0018 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 UEERA0018, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.
Related units
- UEERA0001 — Analyse the operation of HVAC air and hydronic systems
- UEERA0002 — Analyse the psychrometric performance of HVAC/R systems
- UEERA0003 — Analyse the thermodynamic performance of HVAC/R systems
- UEERA0004 — Analyse vibration and noise in refrigeration and air conditioning systems
- UEERA0005 — Apply safety awareness and legal requirements for ammonia refrigerant
- UEERA0006 — Apply safety awareness and legal requirements for carbon dioxide refrigerant
- UEERA0007 — Apply safety awareness and legal requirements for flammable refrigerants
- UEERA0008 — Audit HVAC/R control systems for compliance with regulations and standards
- UEERA0009 — Audit energy use for commercial HVAC/R systems
- UEERA0010 — Commission complex heating, ventilation and air conditioning (HVAC) systems
- UEERA0011 — Commission complex refrigeration systems and equipment
- UEERA0012 — Commission complex refrigeration/air conditioning control systems
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