3421 Airconditioning and Refrigeration Mechanics

Most occupations in this unit group have a level of skill commensurate with the qualifications and experience outlined below.

In Australia:

• AQF Certificate III including at least two years of on-the-job training, or AQF Certificate IV (ANZSCO Skill Level 3)

In New Zealand:

• NZQF Level 4 qualification (ANZSCO Skill Level 3)

At least three years of relevant experience may substitute for the formal qualifications listed above. In some instances relevant experience and/or on-the-job training may be required in addition to the formal qualification.

Registration or licensing may be required.

• establishing job requirements from drawings and specifications, and laying out installation reference points
• drilling holes, installing mounting brackets and cutting, bending and threading piping
• installing and repairing components such as compressors, motors, condensers, evaporators, switches and gauges, and copper lines for steam, gas, refrigerant, compressed air, oil and chilled water
• bolting, soldering, riveting, welding and brazing pipes to connect equipment, and checking alignment and accuracy of fit
• filling systems with gas or fluid to check for leaks
• test-operating refrigeration systems, checking mechanisms and making adjustments
• removing test gas and fluid using vacuum pumps, and filling with refrigerant
• checking and overhauling refrigeration systems, diagnosing faults and repairing and replacing defective components
• adjusting system controls and mechanisms and reassembling systems
• recording causes of malfunctioning and action taken

• 342111 Airconditioning and Refrigeration Mechanic

Assembles, installs, maintains and repairs industrial, commercial and domestic airconditioning and refrigeration systems and equipment. Registration or licensing may be required.

Skill Level: 3