US 28962-02 | Demonstrate knowledge of design principles for commercial RAC systems

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About this standard This unit standard is for people undergoing training to tradesperson level in the refrigeration and air conditioning (RAC) industry. It covers the underpinning knowledge required to size and select components to make up a basic RAC system for a specific purpose. People credited with this unit standard are able to: describe the factors that affect RAC system design; and explain RAC design principles. Show more