Unit of competency Outline

Date retreived
22/07/2026 6:24 PM AWST

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Maintain and repair commercial air conditioning systems and components

Maintain and repair commercial air conditioning systems and components

Unit of competency
National Code
MEM18088
State Code
OAU41
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
26/06/2019
View on TGA
State Implementation and Classification
Approved Date
Field of Education
031315 - Refrigeration And Air Conditioning Mechanics
Original Release Date
Nominal Hours
36
Description
This unit of competency defines the skills and knowledge required to maintain and repair commercial air conditioning systems and components.It applies to commercial air conditioning systems and components, including heating systems, direct expansion refrigeration systems, and/or simple air distribution systems; typically used for comfort air conditioning and also applies to retrofitting existing commercial air conditioning systems with alternative refrigerants and reconditioning components. A Refrigerant Handling Licence must be held by any person who carries out work in relation to refrigeration and air conditioning equipment. Band: AUnit Weight: 4
Notes
Elements and Performance Criteria
1 Determine job requirements
  • 1.1 Follow standard operating procedures (SOPs)
  • 1.2 Comply with work health and safety (WHS) requirements at all times
  • 1.3 Use appropriate personal protective equipment (PPE) in accordance with SOPs
  • 1.4 Identify job requirements from specifications, drawings, job sheets or work instructions
2 Undertake preventive maintenance checks/ adjustments
  • 2.1 Check the temperature, quality, properties and flow of air delivered by the air conditioning system for conformance to specification
  • 2.2 Check the noise/vibration levels of the air conditioning system components for conformance to specification
  • 2.3 Perform preventative maintenance tasks according to manufacturers' specifications using refrigeration and air conditioning principles and techniques
3 Undertake fault-finding
  • 3.1 Identify system components
  • 3.2 Interpret the characteristics and operation of each component
  • 3.3 Inspect and test the operational function of each component and assess correct operation against specification
4 Repair/replace faulty components
  • 4.1 Localise faulty components and confirm malfunction
  • 4.2 Remove the refrigerant from the system safely and contain in accordance with procedures and regulatory requirements, where appropriate
  • 4.3 Dismantle faulty components and repair to manufacturers' specifications, as required
  • 4.4 Select replacement parts from manufacturers' catalogues
5 Return to service commercial air conditioning systems and components
  • 5.1 Reassemble components and test for correct operation and assess against specification
  • 5.2 Charge the system with correct refrigerant safely and in accordance with procedures and regulatory requirements
  • 5.3 Verify correct operation of the equipment
  • 5.4 Complete maintenance records/service reports according to SOPs and legislative requirements
No information
No information
Replaces
State Code National Code Title Type
W5624 MEM18088B Maintain and repair commercial air conditioning systems and components Unit of competency