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Elements and Performance Criteria

1. Prepare to solve problems in industrial refrigeration systems
   • WHS/OHS requirements and workplace procedures for a given work area are identified, obtained and applied in accordance with legislative, standard and code requirements and workplace procedures
2. Safety hazards not previously identified are noted and risk control measures implemented
3. Scope of the problem is obtained from documentation and/or from work supervisor to determine the work to be completed
4. Advice is sought from supervisor to ensure the work is coordinated effectively with others
5. Materials required for work are identified and obtained in accordance with workplace procedures
6. Tools, equipment and testing devices needed to carry out the work are obtained and checked for correct operation and safety
7. Solve problems in industrial refrigeration systems
   • Need to test and measure live work is determined in accordance with legislative, standard and code requirements and workplace procedures
8. Circuits/machines/plant are checked and isolated in accordance with legislative, standard and code requirements and workplace procedures
9. Problems are approached methodically through observation, measurement, calculations and comparisons with normal operating values of system and components
10. Information to solve problems is gathered and evaluated in accordance with normal operating parameters
11. Unplanned situations are dealt with safely and with the approval of authorised person/s
12. Problems are solved without damage to apparatus, circuits, the surrounding environment or services using sustainable energy practices
13. Complete work and document problem-solving activities
    • Worksite is cleaned and made safe in accordance with workplace procedures
14. Justification for solutions used to solve problems is documented
15. Work completion is documented and appropriate person/s notified in accordance with workplace procedures

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.
Solving problems in industrial refrigeration systems must include at least the following:	three operational problems

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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 legislations, industry standards, codes of practice and regulations applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including: applying safe working practices hazard identification and reporting implementing risk control measures completing work and documenting problem-solving activities and justification for the solutions used in industrial refrigeration systems determining need to test or measure live work isolating circuits/machines/plant obtaining and assessing relevant information to resolve problems, including: 'as-installed' drawings maintenance and service records system specifications manufacturer specifications and manuals preparing to resolve problems in industrial refrigeration systems resolving problems in industrial refrigeration systems effectively using methodical fault-finding techniques using relevant tools, equipment and testing devices.

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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:

industrial refrigeration systems, including: applications characteristics components construction design features typical layout arrangements maintenance schedules normal operating parameters of industrial refrigeration systems operating and control principles of industrial refrigeration systems relevant food safety and hazard analysis and critical control point (HACCP) relevant manufacturer specifications relevant measurements and calculations relevant risk mitigation processes, including: environmental and sustainable energy principles and practices risk control measures safe working practices relevant standards, codes and regulations relevant tools, equipment and testing devices relevant WHS/OHS legislated requirements relevant workplace documentation relevant workplace policies and procedures system faults and testing methods system specifications, 'as-installed' drawings, maintenance and service records.

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