Elements and Performance Criteria
- Determine the operating conditions of vapour compression systems
- Established procedures are used to determine the actual and specified range of operating conditions from measured and calculated values as they apply to particular vapour compression systems.
- Established OHS procedures and risk control measures for carrying out the work are followed.
- Operating conditions are established and recorded on commissioning documentation.
- Tools, equipment and testing devices needed to determine the basic operating conditions are obtained and checked for correct operation and safety
- The system is checked and isolated where necessary, in strict accordance OHS requirements and procedures
- Recover refrigerants from split air conditioning systems
- Circuits/appliances are isolated where necessary in strict accordance OHS requirements and procedures.
- Refrigerants are removed safely into suitably labelled containers in accordance with legislative and industry requirements.
- Contaminated refrigerant is dealt with in accordance with legislative and industry requirements.
- Pressure and leak test split air conditioning systems
- Safety hazards are identified and noted and established risk control measures are implemented.
- Industry codes of practice and manufacturer installation instructions are followed.
- Precautions are taken to prevent damage to components while pressure testing the system.
- Pressure testing is conducted at a pressure compatible with the refrigerant to be used.
- Leaks are located, isolated and repaired using methods appropriate to the system type under test and in accordance with industry practices.
- Evacuate split air conditioning systems
- Safety hazards which have not previously been identified are noted, and established risk control measures are implemented.
- The system is evacuated to the required level and cleaned the system of all moisture and other containments in accordance with legislative and industry requirements.
- A standing vacuum test is applied in accordance with industry codes of practice and applicable standards.
- Charge split air conditioning systems
- Correct refrigerant is selected for the system, in accordance with manufacturer requirements and industry practices.
- The refrigerant charge is measured by weight in accordance with manufacturer specifications.
- The system is charged correctly in accordance with manufacturer requirements and industry practices.
- All components are checked and maintained in accordance with manufacturer requirements.
- Test the operation of split air conditioning systems
- The system is started and operated in accordance with manufacturer instructions
- Standard tests are carried out to confirm system performance to manufacturer specifications.
- The refrigerant charge is checked and refrigerant added if required.
- The system is leak checked in accordance with refrigeration procedures and practices.
- Test data is recorded as required.
- Complete the commissioning/recommissioning of split air conditioning systems
- The worksite is cleaned and left in presentable condition in accordance with original presentation, client requirements, industry standards and organisational requirements.
- Final inspections are undertaken to ensure installation conforms with industry, legislative and work order requirements.
- The client is instructed on the use of the product in accordance with organisational requirements and manufacturer specifications.
- Certificates of compliance and other relevant commissioning documentation are completed and processed in accordance with State regulatory requirements.
- Decommission split air conditioning systems
- Plug in appliance is electrically disconnected or arrangements made for appropriately licensed person to isolate hard-wired appliances
- Refrigerants are recovered, stored and disposed of in accordance with legislative and industry requirements.
- Units and components are removed and disposed of safely and in accordance with regulations, industry codes of practice and sustainable environmental practices.
- The worksite is cleaned and left in presentable condition, client and organisational requirements, industry standards and sustainable environmental practices.
- Decommissioning documentation is completed and processed in accordance with State regulatory requirements.