1、BRITISH STANDARDBS EN 297:1994Incorporating Amendment Nos. 1, 2, 3, 4 and 5, and Corrigendum No. 1Gas-fired central heating boilers Type B11and B11BSboilers fitted with atmospheric burners of nominal heat input not exceeding 70 kWThe European Standard EN 297:1994, with the incorporation of amendment
2、s A1:1995, A2:1996, A3:1996, A4:2004, A5:1998 and A6:2003, has the status of a British StandardICS 27.060.30; 91.140.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g
3、42g43g55g3g47g36g58BS EN 297:1994This British Standard, having been prepared under the direction of the Gas Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 15 October 1994 BSI 2006The following BSI references relate to the work on this st
4、andard:Committee reference GSE/28Draft for comment 89/79510 DCISBN 0 580 22260 8Cooperating organizationsThe European Committee for Standardization (CEN), under whose supervision this European Standard was prepared, comprises the national standards organizations of the following countries:Austria Oe
5、sterreichisches NormungsinstitutBelgium Institut belge de normalisationDenmark Dansk StandardFinland Suomen Standardisoimisliito, r.y.France Association franaise de normalisationGermany Deutsches Institut fr Normung e.V.Greece Hellenic Organization for StandardizationIceland Technological Institute
6、of IcelandIreland National Standards Authority of IrelandItaly Ente Nazionale Italiano di UnificazioneLuxembourg Inspection du Travail et des MinesNetherlands Nederlands Normalisatie-instituutNorway Norges StandardiseringsforbundPortugal Instituto Portugus da QualidadeSpain Asociacin Espaola de Norm
7、alizacin y CertificacinSweden Standardiseringskommissionen i SverigeSwitzerland Association suisse de normalisationUnited Kingdom British Standards InstitutionAmendments issued since publicationAmd. No. Date Comments8769 August 19959279 April 199710175 January 199914749 26 November 200315849 8 Decem
8、ber 2005 Change to title of document, the rest of the amendment is indicated by a sideline16505 Corrigendum No. 131 July 2006 Changes to Tables 12 and 13BS EN 297:1994 BSI 2006iContentsPageCooperating organizations Inside front coverNational foreword iiForeword 2Text of EN 297 7National annex NA (in
9、formative) Committees responsible Inside back coverNational annex NB (informative) Cross-references Inside back coverBS EN 297:1994ii BSI 2006National forewordThis British Standard has been prepared under the direction of the Gas Standards Policy Committee and is the English language version of EN 2
10、97:1994, Gas-fired central heating boilers Type B11and B11BSboilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW, including amendments A1, A2, A3, A4, A5 and A6 and corrigendum June 2006, published by the European Committee for Standardization (CEN).This standard partial
11、ly supersedes BS 5258-1:1986 and BS 6332-1:1988. Conflicting national standards will be withdrawn once the series of domestic boiler standards being prepared by CEN/TC 109 have been published.EN 297 was produced as a result of international discussion in which the UK took an active part.Cross-refere
12、ncesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British S
13、tandards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard does not of itself confer immunity from legal obligations.Summary of pagesThis document comprises a front cove
14、r, an inside front cover, pages i and ii, the EN title page, pages 2 to 134, an inside back cover and a back cover.The BSI copyright notice displayed in this document indicate when the document was last issued.Sidelining in this document indicates the most recent changes by amendment.EUROPEAN STANDA
15、RDNORME EUROPENNEEUROPISCHE NORMEN 297May 1994+ A1August 1995+ A2May 1996+ A3October 1996+ A4October 2004+ A5June 1998+ A6March 2003UDC 697.326:662.95:614.8:620.1 Incorporating corrigendum June 2006Descriptors: Heaters, central heating, boilers, gas appliances, burners, heat balance, equipment speci
16、fications, performance evaluation, safety, tests, verification, marking, name plateEnglish versionGas-fired central heating boilers Type B11and B11BSboilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW(includes amendments A1:1995, A2:1996, A3:1996, A4:2004, A5:1998 and A
17、6:2003)Chaudires de chauffage central utilisant les combustibles gazeux Chaudires des types B11et B11BSequipes de brleurs atmosphriques dont le dbit calorifique nominal est infrieur ou gal 70 kW (inclut les amendements A1:1995, A2:1996, A3:1996, A4:2004, A5:1998 et A6:2003)Heizkessel fr gasfrmige Br
18、ennstoffe Heizkessel der Typ B11und B11BSmit atmosphrischen Brennern mit einer Nennwrmebelastung kleiner als oder gleich 70 kW (enthlt nderungen A1:1995, A2:1996, A3:1996, A4:2004, A5:1998 und A6:2003)This European Standard was approved by CEN on 1994-05-18, amendment A1 was approved by CEN on 1995-
19、08-15, amendment A2 on 1995-11-12, A3 on 1996-09-20, A4 on 2003-11-14, A5 on 1997-06-29, A6 on 2002-12-06. 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 standard without any alterati
20、on.Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
21、 under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,
22、 Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.CENEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungCentral Secretariat: rue de St
23、assart 36, B-1050 Brussels 1994 Copyright reserved to CEN membersRef. No. EN 297:1994 + A1:1995 + A2:1996 E + A3:1996 + A4:2004 + A5:1998 + A6:2003 EEN 297:1994 BSI 20062ForewordThe European Standard EN 297 has been prepared by the Technical Committee CEN/TC 109, Gas-fired central heating boilers, t
24、he secretariat of which is held by the IBN.It was established to deal with aspects related to: safety; rational use of energy; fitness for purpose.Other types of boilers, and those of higher nominal heat input excluded from this standard, are dealt with in separate standards.Amendment 1, dealing wit
25、h combustion products discharge safety devices, has been included in this standard.Other amendments are being prepared and will complete EN 297 eventually.This European Standard has been prepared under a mandate given to CEN by the Commission of the European Communities and the European Free Trade A
26、ssociation, and supports essential requirements of the EC Directive(s).This standard covers only type testing.Matters related to quality assurance systems, tests during production and to certificates of conformity of auxiliary devices are not currently dealt with in this standard.If the manufacturer
27、 indicates that the boiler has been tested in accordance with EN 297, the boiler must comply completely with the requirements of this standard,Type B11boilers must be fitted with a combustion products discharge safety device in order to meet the Essential Requirement of Clause 3.4.3 of the Directive
28、 90/396/EEC. In this standard these boilers, are designated as type B11BS.However, boilers intended to be installed: either in the open air or in a room separated from living rooms and provided with appropriate ventilation directly to the outside,need not carry such a device, but in this case, appro
29、priate warnings on the packaging and in the instructions must clearly indicate the limit on the use of this type of boiler. In this standard these boilers are designated as type B11.This European Standard shall be given the status of a national standard, either by publication of an identical text or
30、 by endorsement, at the latest by December 1995, and conflicting national standards shall be withdrawn at the latest by December 1995.According to the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France,
31、Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom.Foreword to amendment A2This Amendment EN 297:1994/A2:1996 to EN 297:1994 has been prepared by Technical Committee CEN/TC 109, Central heating boilers using gaseous fuels,
32、the secretariat of which is held by NNI.This Amendment to the European Standard EN 297:1994 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 1996, and conflicting national standards shall be withdrawn at the lat
33、est by November 1996.This Amendment modifies European Standard EN 297:1994. It has been prepared to incorporate the Directive 92/42/EEC on efficiency requirements in EN 297:1994.This Amendment of the European Standard EN 297:1994 has been prepared under a mandate given to CEN by the European Commiss
34、ion and the European Free Trade Association, and supports essential requirements of EU Directive(s).For relationship with EU Directive(s), see informative Annex G, which is an integral part of this standard.Member States shall take all necessary measures to ensure that boilers cannot be put into ser
35、vice unless they satisfy the efficiency requirements set out in this Amendment.However, Member States where back-boilers and/or boilers that are to be installed in the living space, are widely adopted at the date of the adoption of Directive 92/42/EEC, shall continue to authorize their entry into se
36、rvice, provided that their efficiency both at rated output and at 30 % part load is not more than 4 % below the requirements laid down in this Amendment.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this Amen
37、dment: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.EN 297:1994 BSI 20063Foreword to amendment A3This Amendment EN 297:1994/A3:1996 to EN 297:1994 has been prepared b
38、y Technical Committee CEN/TC 109, Central heating boilers using gaseous fuels, the secretariat of which is held by NNI.This Amendment to the European Standard EN 297:1994 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by
39、April 1997, and conflicting national standards shall be withdrawn at the latest by April 1997.This Amendment modifies EN 297:1994. It has been prepared to incorporate requirements and test methods concerning NOx-emissions of boilers. In future the requirements given in this amendment will be reviewe
40、d and will be more stringent.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this Amendment: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway
41、, Portugal, Spain, Sweden, Switzerland and the United Kingdom.Foreword to amendment A4This document (EN 297:1994/A4:2004) has been prepared by Technical Committee CEN /TC 109 “Central heating boilers using gaseous fuels“, the secretariat of which is held by NEN.This European Standard shall be given
42、the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2005, and conflicting national standards shall be withdrawn at the latest by April 2005.According to the CEN/CENELEC Internal Regulations, the national standards organizations of t
43、he following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain
44、, Sweden, Switzerland and United Kingdom.This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s).With this amendment, the requirements and test methods for type B boilers w
45、ith fan-assisted combustion are introduced in EN 297. In addition requirements and test procedures for non-fanned appliances are modified.Foreword to amendment A5This Amendment EN 297:1994/A5:1998 to EN 297:1994 has been prepared by Technical Committee CEN/TC 109, Central heating boilers using gaseo
46、us fuels, the secretariat of which is held by NNI.This Amendment to the European Standard EN 297:1994 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 1998, and conflicting national standards shall be withdrawn
47、at the latest by December 1998.This Amendment to the European Standard EN 297:1994 has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s).According to CEN/CENELEC Internal Regulations,
48、the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.Foreword to amendment A6This docum
49、ent (EN 297:1994/A6:2003) has been prepared by Technical Committee CEN/TC 109 Central heating boilers using gaseous fuels, the secretariat of which is held by NEN.This Amendment to the European Standard EN 297:1994 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2003, and conflicting national standards shall be withdrawn at the latest by September 2003.This document has been prepared under a mandate given to CEN by the European Commission and the European
