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Standard
ISO 12759-6
First edition
Fans — Efficiency classification
2024-05
for fans —
Part 6:
Calculation of the fan energy index
Ventilateurs — Classification du rendement des ventilateurs —
Partie 6: Calcul de l'indice énergétique des ventilateurs
Reference number
ISO 12759-6:2024(en) © ISO 2024
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ISO 12759-6:2024(en)
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Published in Switzerland
© ISO 2024 – All rights reserved
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ISO 12759-6:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms, definitions and symbols . 1
3.1 Terms and definitions .2
3.1.1 General terms .2
3.1.2 Impeller types .4
3.1.3 Fan types .5
3.2 Symbols .7
4 General . 7
4.1 Minimum testable configuration .7
4.2 FEI pressure basis .8
4.3 Appurtenances.8
4.4 Fans embedded in other equipment .9
5 Fan energy index . 9
5.1 General .9
5.2 Reference electrical input power .
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