1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 13141-4:2011V e n t i l a t i o n f o r b u i l d i n g s Performance testing of components/products for r e s i d e n t i a l v e n t i l a t i o nPart 4: Fans used in res
2、idential ventilation systemsBS EN 13141-4:2011 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 13141-4:2011. It supersedes BS EN 13141-4:2004, which is withdrawn.The UK participation in its preparation was entrusted to T e c h n i c a l C o m m i t t e e R H E /
3、 2 , V e n t i l a t i o n f o r b u i l d i n g s , h e a t i n g and hot water services.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible f
4、or its correct application. BSI 2011 ISBN 978 0 580 68816 4 ICS 23.120; 91.140.30 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2011.Amendments issued
5、since publicationDate T e x t a f f e c t e dBS EN 13141-4:2011EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13141-4 July 2011 ICS 91.140.30 Supersedes EN 13141-4:2004English Version Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 4: F
6、ans used in residential ventilation systems Ventilation des btiments - Essais de performance des composants/produits pour la ventilation des logements - Partie 4: Ventilateurs utiliss dans les systmes de ventilation des logements Lftung von Gebuden - Leistungsprfungen von Bauteilen/Produkten fr die
7、Lftung von Wohnungen - Teil 4: Ventilatoren in Lftungsanlagen fr Wohnungen This European Standard was approved by CEN on 4 June 2011. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national st
8、andard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in
9、 any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech R
10、epublic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN
11、 DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13141-4:2011: EBS EN 13141-4:2011EN 13141-4:2011 (E) 2 Contents Page Forewor
12、d . 31Scope . 62Normative references . 63Terms and definitions . . 64Performance testing of aerodynamic characteristics . 74.1General . 74.2Test Installation and conditions . . 84.2.1General . 84.2.2Exhaust fan units mounted in a casing . . 84.2.3Roof exhaust fans . 114.3Test procedure 114.4Energy e
13、fficiency . . 114.5Presentation of results . 155Performance testing of acoustic characteristics . . 155.1General . 155.2Test Installation and conditions . . 155.2.1Parameters to test and test method. . 155.2.2In-duct method . . 165.2.3Reverberant room method . 175.2.4Enveloping surface method . 185.
14、3Test procedure 185.4Presentation of results . 196Performance testing of electrical power . . 196.1Testing method . 196.2Presentation of results . 197Safety . 20Bibliography . 21BS EN 13141-4:2011EN 13141-4:2011 (E) 3 Foreword This document (EN 13141-4:2011) has been prepared by Technical Committee
15、CEN/TC 156 “Ventilation for buildings”, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2012, and conflicting national standards shall be withdrawn
16、 at the latest by January 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 13141-4:2004. In compariso
17、n to EN 13141-4:2004, the following changes have been made: in Clause 2 updating of the normative references mainly to include the revision of acoustics standards; in Clause 3 updating of the definitions; in 4.2.2.1 Figures 2 and 3 have been defined more precisely and an example of connection box fo
18、r inlets on 2 opposite faces of the fan casing has been added in Figure 3 c); in 4.2.2.2 b) suppression of the procedure to determine the inlet to be connected; in 4.3 suppression of the equation to calculate the fan work per unit mass; addition of 4.4 Energy efficiency including Table 2 concerning
19、part load weighting and an equation to calculate the weighted energy efficiency; in 5.1 change of terms; addition of 5.2.1 Parameters to test and test method including Table 3 concerning tests methods; in 5.2.3 (ex 5.2.2) suppression of the note and adding of an example of test room for category D i
20、nstallation in Figure 9 d); in 5.2.4 (ex 5.2.3) suppression of the list of standards and the sentence concerning non-ideal free field conditions; in 5.4 modification of the limits of the octave band for the presentation of results, addition of the list of the results that shall be specify and modifi
21、cation of the Table 4 (ex Table 1); 6.1 the points of measurement have been defined more precisely; in Bibliography updating of the references. The standard is one of a series of standards on residential ventilation. The performance characteristics of the components/products for residential ventilat
22、ion are given in EN 13142. The position of this standard in the field of mechanical building services is shown in Figure 1. BS EN 13141-4:2011EN 13141-4:2011 (E) 4 According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implemen
23、t this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switze
24、rland and the United Kingdom. BS EN 13141-4:2011 EN 13141-4:2011 (E) 5 Mechanical Building Services Control systems Ventilation and air conditioning systems Heating systems Ductwork Air terminal devices Air handling units Mechanical and natural residential ventilation Design criteria for the indoor
25、environment System performance Instalation Components/products for residential ventilation Required and optional performance characteristics Performance testing of components/products for residential ventilation Simplified calculation methods for residential ventilation systems Design and dimensioni
26、ng for residential ventilation systems Performance testing and installation checks for residential ventilation systems Part 1: Externally and internally mounted air transfer devices Part 2: Exhaust and supply air terminal devices Part 3: Range hoods for residential use Part 4: Fans used in residenti
27、al ventilation systems Part 5: Cowls and roof outlet terminal devices Part 6: Exhaust ventilation system packages used in a single dwelling Part 7: Performance testing of a mechanical supply and exhaust ventilation units (including heat recovery) for mechanical ventilation systems intended for singl
28、e family dwellings Part 8: Performance testing of un-ducted mechanical supply and exhaust ventilation units (including heat recovery) for mechanical ventilation systems intended for a single room Partie 9: Externally mounted humidity controlled air transfer device Partie 10: Humidity controlled extr
29、act air terminal device Figure 1 Position of EN 13141-4 in the field of mechanical building services BS EN 13141-4:2011EN 13141-4:2011 (E) 6 1 Scope This European Standard specifies aerodynamic, acoustic and electrical power performance test methods for fans used in residential ventilation. These me
30、thods primarily concern: ventilation fans installed on a wall or in a window without any duct; ventilation fans installed in the downstream of a duct; ventilation fans installed in the upstream of a duct; ventilation fans installed in a duct; encased ventilation fans having several inlets. For acous
31、tic performance testing one of the following methods is used: in-duct method; reverberant room method; enveloping surface method. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. Fo
32、r undated references, the latest edition of the referenced document (including any amendments) applies. EN 60335-2-80, Household and similar electrical appliances Safety Part 2-80: Particular requirements for fans (IEC 60335-2-80:2002) EN ISO 5136 Acoustics Determination of sound power radiated into
33、 a duct by fans and other air-moving devices In-duct method (ISO 5136:2003) EN ISO 5801:2008, Industrial fans Performance testing using standardized airways (ISO 5801:2007 including Cor 1:2008) ISO 13347-2, Industrial fans Determination of fan sound power levels under standardized laboratory conditi
34、ons Part 2: Reverberant room method ISO 13347-3, Industrial fans Determination of fan sound power levels under standardized laboratory conditions Part 3: Enveloping surface methods 3 Terms and definitions For the purpose of this document, the terms and definitions given in EN ISO 5801:2008 and the f
35、ollowing apply. 3.1 fan pressure pFpressure increase (in Pa) induced by the fan given as the difference of outlet and inlet total pressure NOTE Pressure is expressed in Pascals. BS EN 13141-4:2011EN 13141-4:2011 (E) 7 3.2 fan unit casing incorporating a fan and provided with spigots 3.3 test-voltage
36、 voltage to be used for supplying the fan during the testing (in V) NOTE Test voltage is expressed in Volts. 3.4 declared maximum air volume flow qvmax,dmaximum air volume flow corresponding to the operating range declared by the manufacturer, given for standard air conditions (20 C, 101 325 Pa) (in
37、 m3/s) NOTE 1 The declared maximum air volume flow is expressed in m3/s. NOTE 2 qvmax,dis not the end point of the curve but a point declared by the manufacturer and ideally chosen for a pressure taken in the list of pref. 3.5 reference total pressure prefpressure set in the table of reference (see
38、Table 1), equal or just below the pressure obtained for declared maximal air volume flow, given in total pressure (in Pa) Table 1 Set of reference fan total pressure prefTotal reference pressureprefPa 10 20 50 100 150 200 250 NOTE If the measured pressure is lower than 10 Pa, use 10 Pa. 3.6 referenc
39、e air volume flow qvrefair volume flow measured during the aerodynamic test of the envelope curve (maximum setting) and corresponding to the total pressure, given for standard air conditions (20 C, 101 325 Pa) (in m3/s) NOTE The reference air volume flow is expressed in m3/s. 3.7 Demand Controlled V
40、entilation DCV method providing automatic regulation to the ventilation system dependant upon the needs of air change rates (occupancy, pollution loads, etc.) using a suitable sensor and without user intervention i.e. automatic 4 Performance testing of aerodynamic characteristics 4.1 General The tes
41、t shall be carried out in accordance with EN ISO 5801 and with 4.2 to 4.4. BS EN 13141-4:2011EN 13141-4:2011 (E) 8 4.2 Test Installation and conditions 4.2.1 General A fan is specified to supply a given flow rate to an installation. In order to choose the appropriate fan, it is necessary to know its
42、 performance characteristics, given as the volume flow rate as a function of fan pressure. These characteristics are strongly influenced by upstream flow conditions (velocity profile, possible presence of a swirl and wind). Downstream conditions do not usually affect the fan operation, but the natur
43、e of flow downstream from the fan, especially the swirl, can have an effect on losses in the circuit and should be taken into account during installation design. Four categories of installations are defined in EN ISO 5801:2008: category A: free inlet and free outlet; category B: free inlet and ducte
44、d outlet; category C: ducted inlet and free outlet; category D: ducted inlet and outlet. For each category, the standard defines the installation in the immediate proximity of the fan, as well as the position of the pressure measurement. 4.2.2 Exhaust fan units mounted in a casing 4.2.2.1 Test insta
45、llation This type of fan shall be mounted in casing having several inlets (all ducted) and only one outlet which discharges into the open air or into a duct. They shall be tested using a category C or D installation, but due to the presence of more than one inlet, each inlet shall be connected to th
46、e test installation according to the category C. Where for practical reasons (insufficient distance between inlet ducts placed on the same side of casing) it is not possible to place two test installations side by side, then the arrangement shown on Figure 2 shall be applied or connection box(es) us
47、ed (see Figure 3). Special care to limit air leakages in the connection box shall be taken. BS EN 13141-4:2011EN 13141-4:2011 (E) 9 Key 1 housing wall 2 distance between centres 3 measuring cross-section of inlet pressure 4 bladed bend placed in the duct connecting the measuring chamber to the housi
48、ng orifice, the blades being sealed to the duct wall Figure 2 Arrangement required when the distance between centres is less than the outside diameter of the test circuit BS EN 13141-4:2011EN 13141-4:2011 (E) 10 In order to limit the number of required test installations, it is recommended to connec
49、t the inlets to a connection box (see Figure 3). x1 3 max (D1, D2 D3, D4) x2 3 max (D1, D2, D3, D4) iVVVV21,21,21min21K a) for all inlets on the same face of the fan casing (category C or D installation) b) for inlets on 2 adjacent faces of the fan casing x1 3 D1x2 3 D2 =2121,21min VVV c) for inlets on 2 opposite faces of the fan casing Key 1 connection box 2 casing 3 m
