This unit involves the skills and knowledge required to fault find and repair industrial refrigeration systems.

It includes working safely and to legislative, industry standards and code requirements; using effective problem-solving techniques by applying knowledge of the components and operations of industrial refrigeration systems; completing work and documenting solutions.

The skills and knowledgein this unit will be applied by refrigeration and air conditioning technicians during the service and repair of industrial refrigeration systems.

To undertake this unit, the learner must have a Trainee Refrigerant Handling Licence as it includes work on refrigeration equipment that carries the risk of a fluorocarbon refrigerant being emitted.

The skills and knowledge described in this unit require a national Refrigerant Handling Licence as it includes work on refrigeration equipment that carries the risk of a fluorocarbon refrigerant being emitted while decanting the refrigerant or manufacturing, installing, commissioning, servicing, maintaining or decommissioning refrigeration and air conditioning equipment.

The skills and knowledge described in this unit require a licence or permit to practice in the workplace where work is carried out on electrical installations which are designed to operate at voltages greater than 50 volt (V) alternating current (a.c.) or 120 V direct current (d.c.).

Competency development activities in this unit are subject to regulations directly related to licensing. Where a licence or permit to practice is not held, skills and knowledge described in this unit require a relevant contract of training, such as an Australian Apprenticeship.

Additional and/or other conditions may apply in some jurisdictions subject to regulations related to refrigeration, air conditioning or electrical work. Practice in the workplace and during training is also subject to work health and safety (WHS)/occupational health and safety (OHS) regulations.

ELEMENTS

PERFORMANCE CRITERIA

Elements describe the essential outcomes.

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

1

Prepare to solve problems in industrial refrigeration systems

1.1

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

1.2

Safety hazards not previously identified are noted and risk control measures implemented

1.3

Scope of the problem is obtained from documentation and/or from work supervisor to determine the work to be completed

1.4

Advice is sought from supervisor to ensure the work is coordinated effectively with others

1.5

Materials required for work are identified and obtained in accordance with workplace procedures

1.6

Tools, equipment and testing devices needed to carry out the work are obtained and checked for correct operation and safety

2

Solve problems in industrial refrigeration systems

2.1

Need to test and measure live work is determined in accordance with legislative, standard and code requirements and workplace procedures

2.2

Circuits/machines/plant are checked and isolated in accordance with legislative, standard and code requirements and workplace procedures

2.3

Problems are approached methodically through observation, measurement, calculations and comparisons with normal operating values of system and components

2.4

Information to solve problems is gathered and evaluated in accordance with normal operating parameters

2.5

Unplanned situations are dealt with safely and with the approval of authorised person/s

2.6

Problems are solved without damage to apparatus, circuits, the surrounding environment or services using sustainable energy practices

3

Complete work and document problem-solving activities

3.1

Worksite is cleaned and made safe in accordance with workplace procedures

3.2

Justification for solutions used to solve problems is documented

3.3

Work completion is documented and appropriate person/s notified in accordance with workplace procedures

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.

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.

Assessors must hold credentials specified within the Standards for Registered Training Organisations current at the time of assessment.

Assessment must satisfy the Principles of Assessment and Rules of Evidence and all regulatory requirements included within the Standards for Registered Training Organisations current at the time of assessment.

Assessment must occur in suitable workplace operational situations where it is appropriate to do so; where this is not appropriate, assessment must occur in suitable simulated workplace operational situations that replicate workplace conditions.

Assessment processes and techniques must be appropriate to the language, literacy and numeracy requirements of the work being performed and the needs of the candidate.

Resources for assessment must include access to:

a range of relevant exercises, case studies and/or other simulations

relevant and appropriate materials, tools, equipment and personal protective equipment (PPE) currently used in industry

applicable documentation, including workplace procedures, equipment specifications, regulations, codes of practice and operation manuals.

Foundation skills essential to performance are explicit in the performance criteria of this unit of competency.

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

Electrotechnology

Refrigeration and air-conditioning