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Elements and Performance Criteria

  1. Prepare to assemble, install and start up split air conditioning and water heat pump system
  2. Safety hazards which have not previously been identified are assessed, reported and advice on risk control measures sought from supervisor
  3. Work activities are sequenced in accordance with job schedule
  4. Relevant person/s is consulted to ensure the work is coordinated effectively with others involved on the worksite
  5. Layout of pipe work to be installed is determined from job/task details, including manufacturer specifications and diagrams
  6. Materials needed to carry out the work are obtained in accordance with workplace procedures and checked against job/task requirements
  7. Tools, equipment and testing devices are obtained in accordance with workplace procedures and checked for operation and safety
  8. Appropriately licensed electrician is confirmed to carry out electrical work for the air conditioning and water heat pump system
  9. Appropriately licensed plumber is confirmed to carry out mains water piping work for the heat pump hot water system
  10. Preparatory work is checked to ensure no damage has occurred and complies with job/task requirements in accordance with workplace procedures
  11. Assemble, install and start up split air conditioning and water heat pump system
  12. Interconnecting refrigerant piping/tubing is prepared and installed in accordance with workplace procedures, manufacturer instructions and industry standards
  13. Components are pressure tested and evacuated in strict accordance with manufacturer instructions, industry standards and codes of practice
  14. Condensate drains are prepared and installed to the units in accordance with workplace procedures, manufacturer instructions, industry standards and local regulatory requirements
  15. The refrigerant service valves are opened on the pre-charged outdoor unit to enable the refrigerant to enter the evacuated pipe work and the connected unit in strict accordance with manufacturer instructions and industry standards
  16. Unplanned situations are discussed with relevant person/supervisor, documented and dealt with safely in accordance with workplace procedures
  17. Quality checks of installation and start-up are undertaken in accordance with workplace procedures
  18. Notification is given to relevant person/s that the split air conditioning and water heat pump system is ready for electrical and/or mains water connection in accordance with workplace procedures
  19. Split air conditioning and water heat pump work is carried out efficiently without waste of materials or damage to apparatus, circuits, the surrounding environment or services using relevant workplace sustainable energy principles in accordance with workplace procedures
  20. Test single head split air conditioning and water heat pump system
  21. Worksite and equipment are cleaned and made safe in accordance with workplace procedures
  22. Work completion is documented and appropriate person/s notified in accordance with workplace procedures
  23. Decommission split air conditioning and water heat pump system
  24. Licensed electrician is engaged in accordance with workplace procedures to isolate and disconnect electrical supply and cabling from air conditioning and water heat pump system
  25. Indoor and outdoor refrigerant pipework, water pipework, condensate drains and electrical conduits/cables are unmounted in accordance with workplace procedures
  26. Unplanned situations are discussed with appropriate person/s, documented and dealt with safely in accordance with workplace procedures
  27. Split air conditioning and water heat pump work is carried out efficiently without waste of materials or damage to apparatus, circuits, the surrounding environment or services using relevant workplace sustainable energy principles

Range Statement

Range is restricted to essential operating conditions and any other variables essential to the work environment.

Non-essential conditions may be found in the UEE Electrotechnology Training Package Companion Volume Implementation Guide.

Assembling, installing, starting up and decommissioning single head split air conditioning and water heat pump system (hot water or swimming pool) up to a maximum of 18 kW refrigeration capacity must include at least the following:

condensate drain installation

decommissioning

evacuation

functional performance check

installation/regulatory documentation

pipe work connection

pressure test

refrigerant pipework installation

use of safe working procedures and industry standards and code of practice

Electrical connection must be carried out by:

unrestricted licensed electrician

Mains water connection must be carried out by:

appropriately licensed plumber

Making area/worksite safe must include at least the following:

leak testing and fitting of caps to all refrigerant access ports, which could allow refrigerant to escape into the environment


Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions on at least two separate occasions and include:

applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including using risk control measures

applying safe working practices and relevant legislation, industry standards, codes of practice and regulations

applying sustainable energy principles and practices

assembling, installing and starting up split air conditioning and/or water heat pump system

dealing with unplanned events/situations in accordance with workplace procedures in a manner that minimises risk to personnel and equipment

decommissioning split air conditioning and/or water heat pump system

determining job/work task requirements and applying workplace procedures, including making equipment/worksite safe

documenting work activities

giving notification to appropriate person/s for electrical connections to be completed

implementing risk control measures

inspecting and testing single head split air conditioning and/or water heat pump system and documenting performance to manufacturer specifications, including undertaking functional performance checks

making equipment and worksites safe through leak testing and fitting of caps to refrigerant access ports to stop refrigerant escaping into the environment

positioning and assembling system components to specifications

installing and connecting refrigerant piping

installing and connecting condensate drain piping

preparing to assemble, install and start up a single head split air conditioning system and/or water heat pump system with a maximum cooling/heating capacity of less than 18 kilowatt (kW)

pressure testing and evacuating system using manufacturer instructions.


Knowledge Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions and include knowledge of:

condensate drain pipe work installation and connections

refrigerant pipe work installation and connections

relevant A1 and A2L class refrigerant, systems, piping, tools and equipment

relevant codes of practice, industry standards, regulations and WHS/OHS legislated requirements, including:

AS/NZS 5141 Residential heating and cooling systems - Minimum applications and requirements for energy efficiency, performance and comfort criteria

AS/NZS 5149.3 Refrigerating systems and heat pumps - Safety and environmental requirements - Installation site

AS/NZS 5149.4 Refrigerating systems and heat pumps - Safety and environmental requirements - Operation, maintenance, repair and recovery

Australia and New Zealand Refrigerant Handling Code of Practice - Part 2 Systems other than self-contained low charge systems

Ozone Protection and Synthetic Greenhouse Gas Management Regulations

relevant manufacturer specifications and instructions relevant risk mitigation processes, including safe working practices and risk control measures

relevant workplace documentation

relevant workplace policies and procedures

role of licensed electrician/plumber

split air conditioning and water heat pump (maximum plant capacity for each system is 18 kW), including:

decommissioning split system requirements and procedures installing split systems, including manufacturer instructions, location, mounting and connecting pipe work

single head split air conditioning system (up to 18 kW) types, applications, major components, controls, operation and operating conditions

split system start-up, including manufacturer instructions, pressure testing, evacuation, checking refrigerant charge, adding refrigerant, leak detection and checking function and performance.

split water heating heat pump system (up to 18 kW) types, applications, major components, controls, operation and operating conditions

sustainable energy principles and practices.