BS EN ISO 12759:2015 establishes a classification of fan fficiency for all fan types driven by motors with an electrical input power range from 0,125 kW to 500 kW. This Intemational Standard is applicable to bare shaft and driven fans, as well as fans integrated into products. Fans integrated into products are measured as stand- alone fans.
BS EN ISO 12759:2015 is not applicable to:
a) fans for smoke and emergency smoke extraction;
b) fans for industrial processes;
c) fans for automotive application, trains and planes;
d) fans for potentially explosive atmospheres;
e) box fans, powered roof ventilators and air curtains;
f) jet fans for use in car parks and tunnel ventilation.
