UEERA0016 — Design commercial refrigeration systems and select components

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What an assessment for UEERA0016 must cover

154 assessable components: 3 elements (17 performance criteria), 9 performance evidence and 128 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 commercial refrigeration systems

1.1WHS/OHS procedures are identified, obtained and implemented in accordance with workplace procedures
1.2Scope of the refrigeration system is identified from design specifications
1.3System safety, regulatory and compliance requirements are identified and applied
1.4Work supervisor and/or customer/s are consulted to determine functions and parameters of the system in accordance with relevant documentation
1.5Design development work is planned in consultation with relevant person/s involved to meet scheduled timelines

2 Design commercial refrigeration systems

2.1WHS/OHS risk control measures and procedures are followed in accordance with workplace procedures
2.2Relevant refrigeration, food storage, technology refrigeration system components, piping and performance standards are applied to the system design in accordance with relevant industry standards
2.3Safety, functionality and budgetary considerations are incorporated in the design specifications
2.4Equipment required is selected in accordance with design specifications and workplace procedures
2.5Location of components in the system is documented in accordance with workplace procedures and operation of system functions
2.6System design draft is checked for compliance in accordance with design brief and relevant industry standards
2.7System design is documented and submitted to relevant person/s for approval in accordance with workplace procedures
2.8Unplanned events are dealt with in accordance with problem-solving techniques and workplace procedures

3 Obtain approval for commercial refrigeration systems 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

understanding required operating functions and parameters from the design specification
developing the design within the safety, regulatory and 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 (OHS) requirements, including using risk control measures
designing commercial refrigeration systems
preparing to design commercial refrigeration systems

Knowledge evidence

commercial refrigeration system design, safe working practices and relevant standards, codes and regulations, including:
food spoilage and possible causes:
physical damage
animal activity
chemical breakdown
enzyme activity
microorganisms
effects of temperature change
effects of humidity change
effects of freezing on fresh produce
effects of slow freezing time
effect of refreezing
food preservation:
removing or taking out a reactant
removing or inactivating the catalyst
reducing temperature
changing the reaction system
irradiation
microorganisms:
conditions for growth
potentially hazardous foods
cross-contamination
identification of food spoilage:
recognition and suggest possible cause
physical damage
animal activity
chemical breakdown
enzyme activity
microorganisms
types of heat processing techniques:
heat processing using steam and water
blanching
pasteurisation
sterilisation
evaporation
heat processing using hot air
dehydration
baking and roasting
types of chilling processing techniques:
chilling and controlled atmosphere storage
freezing
freeze drying and freeze concentration
modified atmosphere combined with low temperature cryovac
equipment manufactures specifications and practices
refrigeration system components and piping selection, safe working practices and relevant standards, codes and regulations, including:
relevant industry practices:
AS/NZS 1677 Refrigerating systems SAA refrigeration code
AS/NZS 3666 Air-handling and water systems of buildings
ozone protection regulations
IIAR ammonia data book
ANSI/IIAR standards
ANSI/ASHRAE mechanical refrigeration and IIAR
bulletins and standards
equipment manufacturer’s specifications and practices
calculation of capacity in heat exchangers:
Q = UA (LMTD)
Q = mc∆t
Q = m ∆h
evaporators:
commercial types and applications
coil bypass factor
effects of evaporator TD on space humidity
effects of air circulation on product conditions
selection criteria and selection tables
condensers:
commercial types and applications
effects of ambient conditions
condenser control
heat rejection factor
condenser TD
selection criteria and selection tables
compressors:
types and applications
capacity
displacement
volume flow rate
theoretical capacity
total volumetric efficiency
effect of operating conditions, including suction
pressure drop and superheating
actual capacity
power
theoretical requirement
effects of operating conditions
actual requirements
post defrost loads
pull down torque requirements, high and medium
and low back pressure compressors
selection tables, motor selection
liquid expansion devices:
types, operation and applications
effects from sub-cooling
distributor types, operation and applications
selection tables
system load balance point
graphical representation
line sizing and design
velocity tables
pressure drop in lines and fittings
oil migration stabilisation
refrigerant velocity
effect of varying system capacity
oil traps
risers
double risers
liquid migration
design for parallel components and multiplex systems
automatic controls:
fin spacing, suction temp to evaporator suction
hot-gas bypass valves
electronic control of valves and programmable logic controllers (PLC)
refrigerant regulating valves
solenoid valves
condenser pressure regulating valves
evaporator pressure regulating valves
crankcase pressure regulating valves
cycling controls
pressure-stats
thermostats
defrost controls
monitoring and alarm controls
refrigeration automation systems
control strategies
control modes
relevant job safety assessments or risk mitigation processes
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.

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Questions about assessing UEERA0016

What does an assessment tool for UEERA0016 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for UEERA0016 needs to address all 154 unit components: 3 elements with 17 performance criteria, 9 performance evidence requirements, 128 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 UEERA0016?

Auditori pulls the current release of UEERA0016 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 UEERA0016 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing UEERA0016 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 UEERA0016, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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