UEERA0052Install, commission, service and maintain low temperature systems

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What an assessment for UEERA0052 must cover

64 assessable components: 5 elements (23 performance criteria), 7 performance evidence and 34 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 install low temperature cabinet or freezer room systems

  • 1.1WHS/OHS risk control measures and procedures for carrying out the work are obtained and implemented in accordance with workplace procedures
  • 1.2Work details are determined from documentation and/or supervisor to establish scope of work to be completed in accordance with workplace procedures
  • 1.3Components, piping, accessories, controls and consumables for the installation work are obtained and checked against job requirements in accordance with industry standards and codes of practice
  • 1.4Tools, equipment and testing devices to complete work are obtained in accordance with workplace procedures and checked for operational safety in accordance with workplace procedures

2 Install low temperature cabinet or freezer room systems

  • 2.1Major components are securely mounted in the locations identified by the documentation or supervisor in accordance with workplace procedures
  • 2.2Refrigerant pipe work and associated components are installed according to specifications ensuring all connections and tube cleanliness are in accordance with job requirements and workplace procedures
  • 2.3Pressure testing of the installed components and pipe work is conducted to the required level for the type of refrigerant being used in accordance with relevant codes of practice and industry standards
  • 2.4Leaks are located and rectified employing appropriate methods in accordance with relevant codes of practice and industry standards
  • 2.5Refrigeration system is evacuated to remove moisture and other contaminates in accordance with relevant codes of practice and industry standards
  • 2.6Vacuum drop test is carried out to verify all moisture and other contaminants have been removed from the system in accordance with relevant codes of practice and industry standards
  • 2.7Power and control circuit wiring is checked to ensure it conforms to circuit diagram specifications and system is electrically safe to energise in accordance with relevant codes of practice and industry standards

3 Commission low temperature cabinet or freezer room systems

  • 3.1Refrigeration system is charged with the appropriate type and quantity of refrigerant in accordance with relevant codes of practice, industry standards and manufacturer specifications
  • 3.2Operation of the refrigerant metering device is adjusted as necessary to ensure low side superheat in accordance with industry standards, codes of practice and/or workplace documentation or supervisor
  • 3.3Safety and cycling controls are adjusted to ensure the operational values are in safe and efficient operation in accordance with codes of practice and/or workplace documentation or supervisor
  • 3.4Measurements are obtained and recorded to confirm that the refrigerant charge is optimal and the system is operating within specified parameters in accordance with relevant codes of practice and industry standards

4 Locate and rectify faults and carry out maintenance on low temperature cabinet or freezer room systems

  • 4.1Fault diagnosis is carried out in a logical and effective manner in accordance with relevant codes of practice, industry standards and workplace procedures
  • 4.2Fault-finding and rectification processes are carried out effectively without damage to the system and components and in accordance with relevant codes of practice, industry standards and workplace procedures
  • 4.3System is returned to an operational state in accordance with workplace procedures and manufacturer specifications
  • 4.4Components that require routine maintenance are identified and regularly maintained in accordance with relevant timeframes, industry standards and workplace procedures

5 Complete work and report activities

  • 5.1WHS/OHS risk control measures continue to be applied in accordance with workplace procedures
  • 5.2Worksite and equipment are cleaned and made safe in accordance with workplace procedures
  • 5.3Refrigerant usage is recorded in accordance with relevant industry regulations and codes of practice
  • 5.4Supervisor is notified of task completion in accordance with workplace procedures

Performance evidence

  • applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including using risk control measures
  • applying relevant requirements, legislation, standards, codes of practice and industry procedures
  • commissioning a low temperature system
  • installing a low temperature system
  • locating and rectifying mechanical faults and electrical faults on a low temperature cabinet or freezer room system
  • maintaining a low temperature cabinet or freezer room system
  • recording values and reporting completion of work

Knowledge evidence

  • freezer room protection components encompassing purpose of implosion ports and floor, door and drain heaters
  • common items identified on a preventative maintenance schedule for a low temperature cabinet and freezer room
  • commissioning typical general-purpose low temperature refrigeration systems requirements and procedures, including:
  • techniques to determine operating values of a low temperature system
  • techniques to determine operating values of a cycling and safety control settings for a low temperature system
  • typical initiation and termination settings for electric element and hot gas defrost methods
  • definition and purpose of hazard analysis and critical control points (HACCP)
  • defrost methods, including electric element and hot gas defrost employing a time initiated and pressure or temperature terminated control
  • fault finding and rectification of low temperature systems requirements and procedures, including:
  • symptoms and rectification of typical abnormal system conditions:
  • defrost initiation or termination failure
  • earthing short, including load circuit has connected with casing and/or frame
  • high side sub-cooling too low/too high
  • inefficient compressor
  • low side superheat too low/too high
  • non-condensables
  • open circuit
  • refrigerant overcharge and undercharge
  • restricted air flow through condenser
  • restricted air flow through evaporator
  • restricted filter drier/thermostatic expansion valve (TEV) strainer
  • shunted short, including load is internally shorted causing lower resistance
  • typical controller fault codes and use of manufacturers’ data
  • low temperature display cabinet types, construction and applications, including solid door cabinets, glass door displays and under-bars
  • low temperature freezer rooms, including construction and ancillary fittings
  • low temperature merchandiser types, construction and applications, including island and reach-in
  • reading and interpreting single phase wiring and pipe work schematics for a typical low temperature cabinet or freezer room employing electric element or hot gas defrost
  • reading and interpreting three phase wiring schematics for a typical low temperature freezer room employing electric element or hot gas defrost
  • requirements for condensate removal/drainage
  • typical range of products stored in low temperature cabinets/freezer rooms and required storage conditions, including frozen food and ice cream products
  • refrigeration equipment installation requirements and procedures, including:
  • maintenance of fire rating integrity
  • relevant legislation, industry standards, codes of practice and regulations
  • self-contained and remote installations

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 UEERA0052

What does an assessment tool for UEERA0052 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for UEERA0052 needs to address all 64 unit components: 5 elements with 23 performance criteria, 7 performance evidence requirements, 34 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 UEERA0052?

Auditori pulls the current release of UEERA0052 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 UEERA0052 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing UEERA0052 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 UEERA0052, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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