UEERA0097Install, commission, service and maintain variable refrigerant flow air conditioning systems

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What an assessment for UEERA0097 must cover

72 assessable components: 5 elements (24 performance criteria), 12 performance evidence and 36 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 work on variable refrigerant flow (VRF) air conditioning systems

  • 1.1WHS/OHS risk control measures and procedures for carrying out the work are obtained and implemented in accordance with workplace procedures and regulatory requirements
  • 1.2Work details are determined from documentation and/or supervisor to establish scope of work to be completed in accordance with workplace procedures
  • 1.3Relevant manufacturer specifications and worksite plans are interpreted and incorporated in work planning
  • 1.4Components, piping, accessories, controls and consumables for the work are obtained and checked against job requirements in accordance with Australian Standards and codes of practice
  • 1.5Tools, equipment and testing devices to complete work are obtained and checked for operational safety in accordance with workplace procedures

2 Install VRF air conditioning systems

  • 2.1The location and orientation of branching and support of pipe work is determined and laid out in accordance with system design
  • 2.2Major components are securely mounted in the locations identified by the documentation or the supervisor in accordance with workplace procedures and regulatory requirements
  • 2.3Refrigerant pipework and associated components are installed and tube cleanliness is maintained at all times in accordance with workplace procedures, Australian Standards and manufacturer specifications
  • 2.4Condensate pipework is installed and tested in accordance with design, Australian Standards and manufacturer specifications
  • 2.5Communication wiring is checked to ensure it conforms to manufacturer circuit diagram, specifications and Australian Standards
  • 2.6Pressure 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 Australian Standards, codes of practices and workplace procedures
  • 2.7Leaks are located and rectified employing appropriate methods in accordance with relevant Australian Standards, codes of practices and workplace procedures
  • 2.8Air conditioning system is evacuated to remove moisture and other contaminants in accordance with relevant Australian Standards, codes of practices and workplace procedures
  • 2.9Vacuum drop test is carried out to verify all moisture and other contaminants have been removed from the system in accordance with relevant Australian Standards, codes of practices and workplace procedures

3 Commission VRF air conditioning systems

  • 3.1Extra refrigerant charge quantity is documented in accordance with Australian Standards and manufacturer specifications
  • 3.2Measurements are obtained using manufacturer diagnostic tools and recorded to confirm system operation is in accordance with the system’s design and manufacturer specifications
  • 3.3Measurements are obtained and recorded to confirm that operating voltage and current are within manufacturer specifications

4 Locate and rectify faults on VRF air conditioning systems

  • 4.1Fault diagnosis processes are carried out in accordance with manufacturer processes and specifications, relevant Australian Standards, codes of practices and workplace procedures
  • 4.2Required repairs are identified and reported in accordance with manufacturer processes, relevant Australian Standards, codes of practices and workplace procedures
  • 4.3Routine maintenance requirements are identified in accordance with relevant Australian 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 and regulatory requirements
  • 5.2Worksite and equipment are cleaned and made safe in accordance with workplace procedures
  • 5.3Required documentation is completed in accordance with relevant regulations, Australian Standards and codes of practice
  • 5.4Supervisor is notified of task completion in accordance with workplace procedures

Performance evidence

  • installing and commissioning multi head variable refrigerant flow (VRF) air conditioning systems in accordance with manufacturer specifications
  • using manufacturer diagnostic tool to assist in finding two of the following faults on a variable refrigerant flow air conditioning system (Note: one fault to be applied to the VRF system on each occasion):
  • contaminants in the system
  • incorrect refrigerant charge
  • faulty pressure and temperature sensors
  • communication errors
  • faulty fan motors
  • faulty refrigerant metering device (RMD)
  • insufficient airflow
  • completing required documentation and record keeping
  • applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements
  • applying relevant manufacturer specifications, Australian Standards, regulation and codes of practice

Knowledge evidence

  • VRF air conditioning systems including:
  • different types, their components and application
  • operating principles (cooling, heat pump and heat recovery)
  • control principles
  • operation in the heating and cooling cycles
  • accessing manufacturer specifications and instructions
  • VRF pipework including:
  • refrigerant pipe layout and installation requirements including:
  • pipe diameter, length and wall thickness
  • pipe branch orientation and connections
  • expansion and contraction of pipework
  • piping support
  • condensate and traps
  • technique for condensate flow testing
  • VRF wiring including:
  • separation of power and communications cabling
  • communication wiring requirements and component addressing
  • requirements for branch box installation location
  • requirements for installation of multiple outdoor VRF units
  • working with refrigerants in VRF systems including:
  • checking and adding charge of refrigerant
  • procedure to check system valves are open during pressure test and evacuation
  • refrigerant leakage concentration levels permitted in enclosed spaces
  • symptoms of typical faults and repair techniques including:
  • contaminants in the system
  • incorrect refrigerant charge
  • faulty pressure and temperature sensors
  • communication errors
  • faulty electronically commutated (EC) motors
  • faulty refrigerant metering device (RMD)
  • insufficient airflow
  • maintenance requirements specific to VRF systems
  • commissioning requirements specific to VRF systems
  • manufacturer programs and tools including:
  • built-in self-commission test
  • plug-in diagnostic tools

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 UEERA0097

What does an assessment tool for UEERA0097 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for UEERA0097 needs to address all 72 unit components: 5 elements with 24 performance criteria, 12 performance evidence requirements, 36 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 UEERA0097?

Auditori pulls the current release of UEERA0097 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 UEERA0097 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing UEERA0097 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 UEERA0097, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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