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BS EN IEC 61591:2023

BS EN IEC 61591:2023

$167.15

Cooking fume extractors. Methods for measuring performance

Published By Publication Date Number of Pages
BSI 2023 42
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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.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
9 FOREWORD
11 1 Scope
2 Normative references
12 3 Terms and definitions
15 4 Classification
5 List of measurements
6 General conditions for measurements
6.1 Test room
6.2 Installation and positioning
16 6.3 Electricity supply
6.4 Filters
6.5 Fan control
17 6.6 Instrumentation and measurements
7 Dimensions and mass
7.1 Overall dimensions
Tables
Table 1 ā€“ Instruments
Table 2 ā€“ Measurements
18 7.2 Distance between cooking fume extractor and cooking appliance
7.3 Mass
8 Power measurement of low-power modes
8.1 Purpose and combination of appliances
8.2 Measurement
8.2.1 Principles
19 8.2.2 Determination of power consumption in off mode
8.2.3 Determination of power consumption in standby mode
8.2.4 Determination of consumption in standby mode in condition of networked standby
20 9 Airborne acoustical noise
10 Volumetric airflow
10.1 Purpose and test set up
21 Figures
Figure 1 ā€“ Measurement of airflow
22 10.2 Measurement of the volumetric airflow
Table 3 ā€“ Parameters for the calculation of resistance curves ā€“
23 10.3 Calculation of the volumetric airflow
11 Fluid dynamic efficiency
11.1 Purpose
11.2 Determining the working points
24 Figure 2 ā€“ 9 working points of a cooking fume extractor in extraction mode (example)
25 11.3 Calculation of the fluid dynamic efficiency (FDE)
11.3.1 Conversion to reference air density
26 11.3.2 Calculating the corrected working points
27 11.3.3 Calculating the fluid dynamic efficiency (FDE)
28 12 Effectiveness of the lighting system
12.1 Purpose
12.2 Measurement
Table 4 ā€“ Relevant measurement points for assessing the effectivenessof the lighting system
29 12.3 Assessment
13 Odour reduction
13.1 Purpose
13.2 Measuring setup
Figure 3 ā€“ Measurement points for assessing the effectiveness of the lighting system
30 Figure 4 ā€“ Example of a test room
31 13.3 Measurement
13.4 Calculation of the odour reduction factor
32 14 Grease absorption
14.1 Purpose
14.2 Measuring setup
34 Figure 5 ā€“ Chamber for the grease absorption of a range hood ora microwave hood combination
Figure 6 ā€“ Chamber for the grease absorption of a down-draft system
35 14.3 Preparation
14.3.1 Determining the mass
Figure 7 ā€“ Cookware used for measuring the grease absorption
36 14.3.2 Warm-up period
14.3.3 Determining the working point WP
14.4 Measurement
14.5 Assessment
38 Annex A (informative) Assumption for the parameter b (see Table 3)
Figure A.1 ā€“ Typical ducting
39 Annex B (normative) Low power mode measurements
Table B.1 ā€“ Step by step instruction for measuring low power modes
40 Bibliography

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BS EN IEC 61591:2023
$167.15