Application
This unit of competency defines the skills and knowledge required to maintain and repair large central air handling systems.
A Refrigerant Handling Licence must be held by any person who carries out work in relation to refrigeration and air conditioning equipment.
Band: A
Unit Weight: 6
Elements and Performance Criteria
Elements describe the essential outcomes. | Performance criteria describe the performance needed to demonstrate achievement of the element. | ||
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, humidity, quality, pressure and flow of air delivered to zones by the air handling system for conformance to specification |
2.2 | Check the noise/vibration levels of the air handling sub-systems for conformance to specification | ||
2.3 | Perform preventative maintenance tasks according to manufacturers' specifications using appropriate refrigeration and air conditioning techniques/practices | ||
3 | Undertake fault finding on large central air handling systems | 3.1 | Identify components of sub-systems |
3.2 | Interpret the characteristics and operation of each sub-system component | ||
3.3 | Inspect and test the operational function of each sub-system component and assess correct operation against specification | ||
4 | Repair/replace faulty air handling components | 4.1 | Localise faulty components and confirm malfunction |
4.2 | Dismantle faulty components and repair to manufacturers' specifications, as required | ||
4.3 | Select replacement parts from manufacturers' catalogues | ||
5 | Return to service large central air handling systems | 5.1 | Reassemble components and test for correct operation and assess against specification |
5.2 | Verify correct operation of the equipment | ||
5.3 | 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 Statement
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. | |
Air handling systems include two (2) or more of the following: | boilers chillers secondary refrigeration pumps dehumidifiers odour control complex filtering systems multi-zone distribution systems |
Test equipment includes one (1) or more of the following: | measuring instruments/equipment for checking: air temperatures humidity air flows air quality air pressure noise and vibration levels multimeter ampmeter insulation resistance tester |
Preventative maintenance tasks include one (1) or more of the following: | check/adjust fan belts check/clean filters check/clean heat exchangers (evaporator and condenser) overhaul of major system components cleaning of major system components testing operation of all safety devices |
Competency Field
Maintenance and diagnostics