This unit standard is for people who work in the refrigeration and air conditioning sector of the engineering industry.
People credited with this unit standard are able to, for commercial refrigeration and/or air conditioning systems: review maintenance information; maintain the integrity of lubrication, refrigerant, and air distribution systems, and secondary heat transfer liquids; maintain the integrity of mechanical components, thermal insulation, heat transfer componentry, defrost systems, and condensate drainage; calibrate and test control and reporting systems; check and maintain electrical components; and complete maintenance activities and documentation, and initiate follow-up actions.