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About This Item


Full Description

This document deals with the classification of fan power consumption and efficiency for many fan types given in the ISO12759 series. In addition, it details specific application efficiency classification information. These procedures are described in ISO 12759-3, ISO 12759-4, ISO 12759-5 and ISO 12759-6.

This document does not describe a method to compare these classifications and minimum efficiency limits (MELs).

This document applies to the fans, not to the system in which they are installed. Air curtains are excluded from this standard.