UEERA0064Recover, pressure test, evacuate, charge and leak test refrigerants - split systems

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What an assessment for UEERA0064 must cover

49 assessable components: 3 elements (23 performance criteria), 7 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 Prepare to recover refrigerant, pressure and leak test, evacuate and charge split systems

  • 1.1WHS/OHS hazards, risk control methods, relevant standards, codes and legislation are obtained and applied in accordance with workplace procedures
  • 1.2Safety hazards not previously identified are assessed, reported and advice on risk control measures sought from supervisor
  • 1.3Nature of the work is obtained from documentation or supervisor to determine the scope of work to be undertaken
  • 1.4Work activity is appropriately sequenced in accordance with job schedule
  • 1.5Relevant person/s is consulted to ensure work is coordinated effectively with others involved on the worksite
  • 1.6Refrigerant, lubricants and cleaning materials for work are obtained in accordance with workplace procedures and checked against job/task requirements
  • 1.7Tools, equipment and testing devices needed to carry out the work are obtained and checked for correct operation and safety
  • 1.8Preparatory work is inspected and checked to ensure no damage has occurred and complies with workplace procedures and job/task requirements

2 Recover refrigerant, pressure and leak test evacuate and charge split systems

  • 2.1Checks are carried out to ensure the system and/or component parts are isolated in accordance with workplace procedures
  • 2.2Machines, plant and circuits are isolated in accordance with workplace procedures
  • 2.3Refrigerants are safely removed from split system and placed into labelled containers in accordance with regulatory requirements, industry standards and codes of practice, and any electrical work is referred to a licensed electrician in accordance with workplace procedures.
  • 2.4Precautions are taken to prevent damage to components while pressure testing the system
  • 2.5Pressure testing is conducted using dry nitrogen at a pressure relative to the refrigerant to be used
  • 2.6Leaks are located and rectified using testing methods appropriate to system under test in accordance with industry standards
  • 2.7Split system is evacuated to required level and system is cleaned of all moisture and other containments in accordance with industry standards and codes of practice
  • 2.8A drop test is performed to test evacuation using an electronic vacuum gauge in accordance with industry standards and codes of practice
  • 2.9Component lubricants are checked and maintained in accordance with manufacturer specifications
  • 2.10Split systems are charged with refrigerant in accordance with manufacturer specifications, industry standards and codes of practice
  • 2.11Problematic situations are resolved in accordance with workplace procedures and reported to supervisor
  • 2.12Split systems are pressure and leak tested, evacuated and charged without waste of materials or damage to apparatus, the surrounding environment or services in accordance with relevant workplace sustainable energy practices

3 Report on refrigerant recovery, pressure and leak test, evacuation and charge work

  • 3.1Worksite is cleaned and made safe in accordance with workplace procedures
  • 3.2Contaminated refrigerant is dealt with in accordance with workplace procedures and legislative/regulatory requirements
  • 3.3Completion of work is documented and appropriate person/supervisor notified in accordance with workplace procedures

Performance evidence

  • applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including: - identifying hazards - risk control measures - using personal protective equipment (PPE) - applying safe working practices and relevant legislation, industry standards, codes of practice and regulations
  • completing required documentation, including reporting refrigerant recovery, pressure and leak tests, evacuations, charging refrigerant work and system operating conditions
  • determining basic operating conditions, including: - ambient, evaporation and condensing temperatures - evaporator and condenser temperature differences - suction and discharge pressures
  • recovering, pressure testing, evacuating, charging and leak testing refrigerant in newly installed split systems to requirements using appropriate equipment, tools and measurement devices
  • starting up system and performing function checks
  • selecting, obtaining and checking relevant equipment, materials, tools and testing devices required to carry out the work, including: - A1, A2 and A2L class refrigerants, lubricants and charging equipment - oxygen-free dry nitrogen cylinder and regulator - pressure and temperature measurement devices - pressure testing and refrigerant leak testing equipment and tools - refrigeration evacuation equipment and measuring equipment suitable for A1, A2 and A2L class refrigerants - refrigerant recovery/reclaim equipment suitable for A1, A2 and A2L class refrigerants - refrigeration hand and power tools - refrigeration service tools - single head split air conditioning systems
  • using lubricants and cleaning materials safely in accordance with safety data sheets (SDS)/material safety data sheets (MSDS).

Knowledge evidence

  • equipment and procedures for working with refrigerants, including: - charging refrigerant into a newly installed split system - detecting refrigerant leaks (electronic, bubbles and halide for R22) - contaminant detection and removal - evacuating newly installed split systems - pressure testing systems newly installed split systems using dry nitrogen - reclaiming/recovering refrigerants using recovery units and recovery cylinders
  • heat and heat transfer
  • leak detectors types, applications, operation and procedures
  • manifold gauges types, applications, operation and procedures
  • pressure temperature relationships and charts
  • pressure, units and measurement
  • refrigerant conditions, including saturation, superheat and sub-cooling
  • relative humidity, unit and measurement
  • relevant industry standards, codes of practice and regulations, including WHS/OHS legislated requirements
  • relevant manufacturer specifications
  • relevant risk mitigation processes, including risk control measures
  • safe working practices, safe handling and SDS/MSDS
  • sensible and latent heat
  • split heat pump Class A1, A2 and A2L refrigerant types, properties and applications
  • split heat pump refrigerant oil types, properties and applications
  • sustainable energy principles and practices, including: - environment protection requirements - sustainable energy practices - sustainable resources
  • system access fittings types, applications, operation and procedures
  • temperature, units and measurement
  • vapour compression cycle, basic operation and major system components.

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 UEERA0064

What does an assessment tool for UEERA0064 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for UEERA0064 needs to address all 49 unit components: 3 elements with 23 performance criteria, 7 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 UEERA0064?

Auditori pulls the current release of UEERA0064 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 UEERA0064 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing UEERA0064 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 UEERA0064, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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