1、BRITISH STANDARD BS EN 656:2000 Incorporating Amendment No. 1 Gas-fired central heating boilers Type B boilers of nominal heat input exceeding 70 kW but not exceeding 300 kW The European Standard EN 656:1999, with the incorporation of amendment A1:2006, has the status of a British Standard ICS 91.14
2、0.10 BS EN 656:2000 This British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 February 2000 BSI 2006 ISBN 0 580 32062 6 National foreword This British Standard is the o
3、fficial English language version of EN 656:1999, including amendment A1:2006. It partially supersedes BS 5978-1, -2 and -3:1989 which will be withdrawn once the full series of boilers standards being prepared by CEN/TC 109 have been adopted by BSI. The start and finish of text introduced or altered
4、by amendment is indicated in the text by tags !“. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated in the text by !“. The UK participation in its preparation was entrusted to Technical Committee GSE/41, Non-domestic
5、 gas-fired central heating boilers, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be fo
6、und 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 Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are res
7、ponsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep
8、 UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 116, an inside back cover and a back cover. The BSI copyright notice displayed i
9、n this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments 16533 29 September 2006 See national foreword(8523($167$1$5 1250(8523e(11( (8523b,6&+(1250 2FWREHU ,&6 (QJOLVKYHUVLRQ *DVILUHGFHQWUDOKHDWLQJERLOHUV7SH%ERLOHUVRIQRPLQDOKHDW LQSXWHFH
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