Unit of competency Outline
Date retreived
22/07/2026 11:21 PM AWST
22/07/2026 11:21 PM AWST
Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.
Maintain, repair/replace and adjust refrigerant flow controls and associated equipment
Maintain, repair/replace and adjust refrigerant flow controls and associated equipment
Unit of competency
National Code
MEM18096A
MEM18096A
State Code
W5633
W5633
TGA Status
Replaced
Replaced
DTWD Status
Transition (Replaced)
Transition (Replaced)
State Implementation and Classification
Approved Date
11/09/2006
Field of Education
031315 - Refrigeration And Air Conditioning Mechanics
Original Release Date
11/09/2006
Nominal Hours
54
Description
This unit covers performing the selection, maintenance, repair/replacement and adjustment of refrigerant flow controls, either liquid or vapour (mechanical or electronic types) to achieve desired operational performance.
Notes
Elements and Performance Criteria
1. Undertake preventative maintenance checks on refrigerant flow controls
- 1.1. The location and operation of the control is understood.
- 1.2. The operational parameters of the refrigerant control are understood.
- 1.3. Visual inspection and testing with appropriate test equipment is carried out by following refrigeration principles, procedures and safety requirements.
- 1.4. The refrigerant type is correctly identified.
2. Undertake fault finding on refrigerant flow controls
- 2.1. Flow control is identified correctly.
- 2.2. The characteristics of the flow control are understood.
- 2.3. The operational function of the flow control and associated valves are inspected and tested.
- 2.4. Appropriate test equipment can be selected/used safely.
- 2.5. Correct operation of the flow control is assessed against specification.
3. Repair or replace refrigerant flow control
- 3.1. Using manufacturers' catalogues and specifications, appropriate flow control or components relevant to system operation are selected for replacement/repair.
- 3.2. The refrigerant is removed/contained safely from the system in accordance with refrigeration principles and procedures and relevant standards and codes.
- 3.3. Faulty components are dismantled and repaired /replaced to manufactures' specifications as required.
- 3.4. Replacement parts are selected from manufactures catalogues according to required specifications.
4. Return to service refrigerant flow control
- 4.1. System is evacuated and recharged with refrigerant safely, in accordance with refrigeration principles and procedures and relevant standards and codes.
- 4.2. System is leak tested in accordance with refrigeration principles/procedures and relevant standards and codes.
- 4.3. Flow control is adjusted to manufactures' specifications in accordance with refrigeration principles and procedures and relevant standards and codes.
- 4.4. Performance check is undertaken in accordance with refrigeration principles and procedures and relevant standards and codes.
- 4.5. Maintenance records service reports are completed by appropriate designated means.
RANGE STATEMENT
The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.
Control
Selected from required knowledge list
Parameters
Operational values
Refrigerant control
Could be any selected from list in required knowledge
Characteristics
Operational parameters of the flow control
Associated valves
Check valves, solenoid valves
Test equipment
Refrigeration gauges, thermometers, multimeter, vacuum pump, leak detector, associated hand tools, specialised hand tools
Components
Any part of any flow control selected from list in required knowledge
Performance
Pressures, temperatures and relationships
The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.
Control
Selected from required knowledge list
Parameters
Operational values
Refrigerant control
Could be any selected from list in required knowledge
Characteristics
Operational parameters of the flow control
Associated valves
Check valves, solenoid valves
Test equipment
Refrigeration gauges, thermometers, multimeter, vacuum pump, leak detector, associated hand tools, specialised hand tools
Components
Any part of any flow control selected from list in required knowledge
Performance
Pressures, temperatures and relationships
EVIDENCE GUIDE
The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package.
Overview of assessment
A person who demonstrates competency in this unit must be able to maintain, adjust, repair or replace refrigerant flow controls, either liquid or vapour, to manufactures' specifications safely to relevant Australian standards codes and regulations. Competency in this unit cannot be claimed until all prerequisites have been satisfied.
Critical aspects for assessment and evidence required to demonstrate competency in this unit
Assessors must be satisfied that the candidate can competently and consistently perform all elements of the unit as specified by the criteria, including required knowledge, and be capable of applying the competency in new and different situations and contexts.
Context of and specific resources for assessment
This unit may be assessed on the job, off the job or a combination of both. Where assessment occurs off the job, i.e. the candidate is not in productive work, an appropriate simulation must be used where the range of conditions reflects realistic workplace situations. The competencies covered by this unit would be demonstrated by an individual working alone or as part of a team. The assessment environment should not disadvantage the candidate.
This unit could be assessed in conjunction with any other units addressing the safety, quality, communication, materials handling, recording and reporting associated with the maintenance, repair/replacement or adjustment of refrigerant flow controls, or other units requiring the exercise of the skills and knowledge covered by this unit.
Method of assessment
Assessors should gather a range of evidence that is valid, sufficient, current and authentic. Evidence can be gathered through a variety of ways including direct observation, supervisor's reports, project work, samples and questioning. Questioning techniques should not require language, literacy and numeracy skills beyond those required in this unit of competency. The candidate must have access to all tools, equipment, materials and documentation required. The candidate must be permitted to refer to any relevant workplace procedures, product and manufacturing specifications, codes, standards, manuals and reference materials.
Guidance information for assessment
The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package.
Overview of assessment
A person who demonstrates competency in this unit must be able to maintain, adjust, repair or replace refrigerant flow controls, either liquid or vapour, to manufactures' specifications safely to relevant Australian standards codes and regulations. Competency in this unit cannot be claimed until all prerequisites have been satisfied.
Critical aspects for assessment and evidence required to demonstrate competency in this unit
Assessors must be satisfied that the candidate can competently and consistently perform all elements of the unit as specified by the criteria, including required knowledge, and be capable of applying the competency in new and different situations and contexts.
Context of and specific resources for assessment
This unit may be assessed on the job, off the job or a combination of both. Where assessment occurs off the job, i.e. the candidate is not in productive work, an appropriate simulation must be used where the range of conditions reflects realistic workplace situations. The competencies covered by this unit would be demonstrated by an individual working alone or as part of a team. The assessment environment should not disadvantage the candidate.
This unit could be assessed in conjunction with any other units addressing the safety, quality, communication, materials handling, recording and reporting associated with the maintenance, repair/replacement or adjustment of refrigerant flow controls, or other units requiring the exercise of the skills and knowledge covered by this unit.
Method of assessment
Assessors should gather a range of evidence that is valid, sufficient, current and authentic. Evidence can be gathered through a variety of ways including direct observation, supervisor's reports, project work, samples and questioning. Questioning techniques should not require language, literacy and numeracy skills beyond those required in this unit of competency. The candidate must have access to all tools, equipment, materials and documentation required. The candidate must be permitted to refer to any relevant workplace procedures, product and manufacturing specifications, codes, standards, manuals and reference materials.
Guidance information for assessment
Replaced By
| State Code | National Code | Title | Type |
|---|---|---|---|
| OAU33 | MEM18096 | Maintain, repair/replace and adjust refrigerant flow controls and associated equipment | Unit of competency |
| State Code | National Code | Title | Type |
|---|---|---|---|
| W245 | MEM40105 | Certificate IV in Engineering | Qualification |
| W247 | MEM50105 | Diploma of Engineering - Advanced Trade | Qualification |
| W237 | MEM30205 | Certificate III in Engineering - Mechanical Trade | Qualification |
| W726 | LMT31909 | Certificate III in Engineering - TCF Mechanic | Qualification |