Cooking fume extractors - Methods for measuring performance

IEC 61591:2023 applies to cooking fume extractors incorporating a fan for the recirculation or extraction mode situated in a household kitchen. It can also be used for cooking fume extractors where the fan is mounted separately from the appliance, but controlled by the appliance when the fan is defined in the technical documentation (e.g. name plate data) and instructions for installation. This document deals also with down-draft systems arranged beside, behind or under the cooking appliance. This document defines the main performance characteristics of these appliances, which are of interest to the user, and specifies methods for measuring these characteristics. This document does not specify a classification or ranking for performance. This document does not deal with safety requirements that are in accordance with IEC 60335-1 and IEC 60335-2-31. Cooking fume extractors without fans operated by a central ventilation system are covered in EN 13141-3. This third edition cancels and replaces the second edition published in 2019. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) new definition of working point, see 3.19;
b) new definition for lowest setting and automatic setting, see 3.17 and 3.18;
c) revised requirements for installation and positioning, see 6.2;
d) added a normative reference ISO 5801 for the specification of the pressure compensation chamber, see Clause 10;
e) separate clauses for determining the volumetric airflow and fluid dynamic efficiency, see Clauses 10 and 11;
f) new approach for determining the fluid dynamic efficiency ("9-point calculation");
g) new definitions, new clause and new Annex B regarding the measurement of low-power modes;
h) new Annex A: assumption for the parameter b.

Extracteurs de fumée de cuisine - Méthodes de mesure de l'aptitude à la fonction

L'IEC 61591:2023 s’applique aux extracteurs de fumée de cuisine comportant un ventilateur pour le mode recyclage ou extraction, installés dans une cuisine à usage domestique. Il peut également être utilisé pour les extracteurs de fumée de cuisine lorsque le ventilateur est monté séparément de l’appareil, mais est commandé par celui-ci lorsqu’il est mentionné dans la documentation technique (données inscrites sur la plaque signalétique, par exemple) et dans les instructions d’installation. Le présent document couvre également les extracteurs verticaux installés à côté, à l’arrière ou au-dessous de l’appareil de cuisson. Le présent document définit les caractéristiques de performance principales de ces appareils qui sont pertinentes pour l’utilisateur et spécifie les méthodes de mesure de ces caractéristiques. Le présent document ne spécifie pas un système de classement pour l’aptitude à la fonction de ces appareils. Le présent document ne traite pas des exigences de sécurité qui sont conformes aux normes IEC 60335-1 et IEC 60335-2-31. Les extracteurs de fumée de cuisine sans ventilateur actionnés par un système de ventilation centralisé sont couverts par l’EN 13141-3. Cette troisième édition annule et remplace la deuxième édition parue en 2019. Cette édition constitue une révision technique.
Cette édition inclut les modifications techniques majeures suivantes par rapport à l’édition précédente:
a) redéfinition du terme "point de fonctionnement" (voir 3.20);
b) redéfinition des termes "réglage le plus bas" et "réglage automatique" (voir 3.23 et 3.24);
c) révision des exigences concernant l’installation et le positionnement (voir 6.2);
d) ajout de la référence normative ISO 5801 pour la spécification de la chambre de compensation de pression (voir Article 10);
e) création d’articles distincts concernant la détermination du débit d’air volumétrique et du rendement dynamique des fluides (voir Articles 10 et 11);
f) nouvelle approche concernant la détermination du rendement dynamique des fluides ("calcul en 9 points");
g) nouvelles définitions, nouvel article et nouvelle Annexe B concernant la mesure des modes faible puissance;
h) nouvelle Annexe A: hypothèse formulée pour le paramètre b.

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IEC 61591

Edition 3.0 2023-03
Cooking fume extractors – Methods for measuring performance
IEC 61591:2023-03 CMV(en)

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IEC 61591

Edition 3.0 2023-03
Cooking fume extractors – Methods for measuring performance
ICS 97.040.20 ISBN 978-2-8322-6733-2

 Warning! Make sure that you obtained this publication from an authorized distributor.
® Registered trademark of the International Electrotechnical Commission

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– 2 – IEC 61591:2023 CMV © IEC 2023
1 Scope .7
2 Normative references .7
3 Terms and definitions .8
4 Classification . 11
5 List of measurements . 11
6 General conditions for measurements . 11
6.1 Test room . 11
6.2 Installation and positioning . 12
6.3 Electricity supply . 12
6.4 Filters. 13
6.5 Fan control . 13
6.6 Instrumentation and measurements . 13
7 Dimensions and mass . 14
7.1 Overall dimensions .

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