Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1

Determine job requirements

1.1

Follow standard operating procedures (SOPs)

1.2

Comply with work health and safety (WHS) requirements at all times

1.3

Use appropriate personal protective equipment (PPE) in accordance with SOPs

1.4

Identify job requirements from specifications, drawings, job sheets or work instructions

2

Determine the operating conditions of vapour compression systems

2.1

Determine the actual and specified range of operating conditions from measured and calculated values using established procedures to determine as they apply to particular vapour compression systems

2.2

Establish operating conditions and record on commissioning documentation

2.3

Obtain tools, equipment and testing devices needed to determine the basic operating conditions and check for correct operation and safety

3

Recover refrigerants from split air conditioning systems

3.1

Check for, and protect site from, ignition sources if R32 or other flammable refrigerants are used

3.2

Isolate circuits/appliances in strict accordance with work health and safety (WHS) requirements and procedures, where necessary

3.3

Remove refrigerants safely into suitably labelled containers in accordance with legislative and industry requirements

3.4

Deal with contaminated refrigerant in accordance with requirements

4

Pressure and leak test split air conditioning systems

4.1

Identify and note safety hazards and implement established risk control measures

4.2

Follow industry codes of practice and manufacturer installation instructions

4.3

Take precautions to prevent damage to components while pressure testing the system

4.4

Conduct pressure testing at a pressure compatible with the refrigerant to be used

4.5

Located leak, isolate and repair using methods appropriate to the system type under test and in accordance with industry practices

5

Evacuate split air conditioning systems

5.1

Note safety hazards which have not previously been identified, and implement established risk control measures

5.2

Evacuate the system to the required level and clean the system of all moisture and other containments in accordance with requirements

5.3

Apply a standing vacuum test in accordance with industry codes of practice and applicable standards

6

Charge split air conditioning systems

6.1

Select correct refrigerant for the system, in accordance with manufacturer requirements and industry practices

6.2

Measure the refrigerant charge by weight in accordance with manufacturer specifications

6.3

Charge the system in accordance with manufacturer requirements and industry practices

6.4

Check all components and maintain in accordance with manufacturer requirements

7

Test the operation of split air conditioning systems

7.1

Start and operate the system

7.2

Carry out standard tests to confirm system performance to manufacturer specifications

7.3

Check the refrigerant charge and add refrigerant, if required

7.4

Leak check the system

7.5

Record test data, as required

8

Complete the commissioning/ recommissioning of split air conditioning systems

8.1

Ensure the worksite is cleaned and left in presentable condition in accordance with original presentation, client requirements, industry standards and organisational requirements

8.2

Undertake final inspections to ensure installation conforms to industry, legislative and work order requirements

8.3

Instruct the client on the use of the product in accordance with organisational requirements and manufacturer specifications

8.4

Complete certificates of compliance and other relevant commissioning documentation and process in accordance with state/territory regulatory requirements

9

Decommission split air conditioning systems

9.1

Electrically disconnect plug in appliance

9.2

Recover refrigerants, store and dispose of in accordance with legislative and industry requirements

9.3

Remove units and components and dispose of safely and in accordance with regulations, industry codes of practice and sustainable environmental practices

9.4

Clean the worksite and leave in presentable condition, to client and organisational requirements, industry standards and sustainable environmental practices

9.5

Complete decommissioning documentation and process in accordance with state/territory regulatory requirements

This field allows for different 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.

Tools, equipment and testing devices include one (1) or more of the following:

refrigeration gauge manifold

Schraeder access valves; quick connect couplings, and thermometer/thermocouple temperature measuring devices

analogue and digital vacuum measuring gauges

digital scales

refrigerant recovery unit

vacuum pump

electronic leak detectors

refrigerant containers/cylinders

Legislative and industry requirements include one (1) or more of the following:

Commonwealth, state and territory legislation, regulations, standards and industry codes of practice

The Ozone Protection and Synthetic Greenhouse Gas Legislation Amendment Bill 2003

air conditioning residential best practice guidelines (AIRAH)

AIRAH flammable refrigerants fact sheets and guide

state/territory and local building regulations

sustainable environmental practices for commissioning and decommissioning split air conditioning

System performance includes one (1) or more of the following:

pressure

temperature

sub-cooling

superheating

evaporator coil to air temperature difference