Unit of competency
Modification History
Release 1. Supersedes and is equivalent to MEM18091B Maintain and repair multi stage, cascade and/or ultra-cold industrial refrigeration systems
Application
This unit of competency defines the skills and knowledge required to maintain and repair multistage, cascade and ultra-cold industrial refrigeration systems.
It applies to retrofitting existing multi-stage, cascade and/or ultra-cold industrial refrigeration systems; reconditioning components; returning to service and testing systems; and completing service reports for administrative action.
A Refrigerant Handling Licence must be held by any person who carries out work in relation to refrigeration and air conditioning equipment.
Band: B
Unit Weight : 4
Pre-requisite Unit
MEM09002 |
Interpret technical drawing |
MEM10002 |
Terminate and connect electrical wiring |
MEM11011 |
Undertake manual handling |
MEM12002 |
Perform electrical/electronic measurement |
MEM12023 |
Perform engineering measurements |
MEM12024 |
Perform computations |
MEM13015 |
Work safely and effectively in manufacturing and engineering |
MEM14006 |
Plan work activities |
MEM16006 |
Organise and communicate information |
MEM18001 |
Use hand tools |
MEM18002 |
Use power tools/hand held operations |
MEM18049 |
Disconnect/reconnect fixed wired equipment up to 1000 volts a.c./1500 volts d.c. |
MEM18055 |
Dismantle, replace and assemble engineering components |
MEM18086 |
Test, recover, evacuate and charge refrigeration systems |
Plus, one or more of the following including prerequisites: |
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MEM18087 |
Service and repair domestic and light commercial refrigeration and air conditioning equipment |
MEM18088 |
Maintain and repair commercial air conditioning systems and components |
MEM18090 |
Maintain and repair industrial refrigeration systems and components |
Competency Field
Maintenance and diagnostics
Elements and Performance Criteria
Elements describe the essential outcomes. |
Performance criteria describe the performance needed to demonstrate achievement of the element. |
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1 |
Determine job requirements |
1.1 |
Follow standard operating procedures (SOPs) |
1.2 |
Comply with work health and safety (WHS) requirements at all times |
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1.3 |
Use appropriate personal protective equipment (PPE) in accordance with SOPs |
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1.4 |
Identify job requirements from specifications, drawings, job sheets or work instructions |
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2 |
Undertake preventive maintenance checks/ adjustments |
2.1 |
Check the temperature, pressure and properties of the system for conformance to specification |
2.2 |
Check the noise/vibration levels of the system for conformance to specification |
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2.3 |
Perform preventative maintenance tasks according to manufacturers' specifications using refrigeration techniques/practices |
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3 |
Undertake fault-finding |
3.1 |
Identify system components |
3.2 |
Interpret the characteristics and operation of each component |
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3.3 |
Inspect and test the operational function of each component and assess correct operation against specification |
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4 |
Repair/replace faulty components |
4.1 |
Localise faulty components and confirm malfunction |
4.2 |
Remove the refrigerant safely from the system and contain in accordance with procedures and regulatory requirements, where appropriate |
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4.3 |
Dismantle faulty components and repair to manufacturers' specifications, as required |
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4.4 |
Select replacement parts from manufacturers' catalogues |
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5 |
Return to service multistage, cascade and/or ultra-cold refrigeration systems |
5.1 |
Reassemble components and test for correct operation and assess against specification |
5.2 |
Charge the system safely with correct refrigerant and in accordance with procedures and regulatory requirements, where appropriate |
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5.3 |
Verify correct operation of the equipment |
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5.4 |
Complete maintenance records/service reports according to SOPs and legislative requirements |
Foundation Skills
This section describes those required skills (reading, writing, oral communication and numeracy) that are essential to workplace performance in this unit of competency.
Foundation skills essential to performance are explicit in the performance criteria of this unit of competency.
Range of Conditions
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. |
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Test equipment includes one (1) or more of the following: |
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Preventative maintenance tasks include one (1) or more of the following: |
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Unit Mapping Information
Release 1. Supersedes and is equivalent to MEM18091B Maintain and repair multi stage, cascade and/or ultra-cold industrial refrigeration systems
Links
Companion Volume implementation guides are found in VETNet - https://vetnet.gov.au/Pages/TrainingDocs.aspx?q=b7050d37-5fd0-4740-8f7d-3b7a49c10bb2