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Elements and Performance Criteria

  1. Prepare to service system
  2. Test operation of system and components
  3. Service system and components
  4. Complete work processes
  5. Prepare to service system
  6. Test operation of system and components
  7. Service system and components
  8. Complete work processes

Range Statement

This section specifies work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Bold italicised wording, if used in the performance criteria, is detailed below.

Code of practice must include:

Australian automotive code of practice: Control of refrigerant gases during manufacture, installation, servicing or de-commissioning of motor vehicle air conditioners.

Safety and environmental requirements must include:

work health and safety (WHS) and occupational health and safety (OHS) requirements, including procedures for:

working with refrigerants at boiling point given risk of frostbite

working with system lubricants, including carcinogenic oils

identifying flammable refrigerants

selecting and using personal protective equipment (PPE)

identifying firefighting equipment

environmental requirements, including procedures for:

preventing loss of refrigerant to the atmosphere

handling materials and refrigerant recovery equipment.

Post-service performance tests must include:

temperature checks

checking for refrigerant leaks.

Australian Refrigeration Council accredited (ARCtick) service decal sticker information must include:

name of service organisation

ARCtick business authority number

quantity of refrigerant added

refrigerant and oil type

service date

technician name and licence number.


Performance Evidence

Before competency can be determined, individuals must demonstrate they can perform the following according to the standard defined in the unit’s elements, performance criteria, range of conditions and foundation skills:

service the air conditioning and HVAC systems of two different vehicles or machinery, in which the work must involve:

one air conditioning system

one heating, ventilation and air conditioning (HVAC) system

complete Australian Refrigeration Council accredited (ARCtick) service decal stickers for the above jobs.


Knowledge Evidence

Individuals must be able to demonstrate knowledge of:

work health and safety (WHS) and occupational health and safety (OHS) requirements relating to servicing air conditioning and HVAC systems, including procedures for:

working with refrigerants at boiling point given risk of frostbite

working with system lubricants, including carcinogenic oils

identifying flammable refrigerants

selecting and using personal protective equipment (PPE)

identifying firefighting equipment

environmental requirements, including procedures for:

preventing loss of refrigerant to the atmosphere

handling materials and refrigerant recovery equipment.

key requirements of Australian automotive code of practice: Control of refrigerant gases during manufacture, installation, servicing or de-commissioning of motor vehicle air conditioners

identification and function of major air conditioning and HVAC system components, including:

compressor

condenser

receiver-dryer

expansion valve

evaporator

blower fan

principles of operation of air conditioning and HVAC systems, including transferring heat from cabin to exterior using refrigerant gas

types of air conditioning and HVAC systems, including:

single zone and multi-zone

climate control

inspection procedures for air conditioning and HVAC systems, including:

conducting visual, aural and functional assessments for:

component damage and wear

component corrosion

vacuum and leaks

system performance testing, including:

using manifold gauges and thermometers to check system pressures and vent temperatures

checking blower fan output

checking engine fan output

checking filters

using manifold gauges and thermometers to check pressure and temperatures

service and adjustment procedures of air conditioning and HVAC systems, including:

checking and adjusting compressor drive belts

changing filters

clearing evaporator water outlet

cleaning condenser

post-service testing procedures of air conditioning and HVAC systems, including system performance testing and using thermometers to check vent temperatures

procedures for completing workplace documentation, including ARCtick service decal sticker.