BS EN 61770-2000 Electric appliances connected to the water mains- Avoidance of backsiphonage and failure of hose-sets.pdf
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1、BRITISH STANDARD BS EN 61770:2000 IEC 61770:1998 Including Amendments Nos. 1 and 2 Electric appliances connected to the water mains Avoidance of backsiphonage and failure of hose-sets The European Standard EN 61770:1999, with the incorporation of amendments A1:2004 and A2:2006, has the status of a B
2、ritish Standard ICS 97.040.40; 97.060 ? Licensed Copy: AUB User, na, Thu Sep 20 11:04:10 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 61770:2000 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 15 May 2000 BSI 2006 ISBN 0 580 34724 9 Natio
3、nal foreword This British Standard is the official English language version of EN 61770:1999, including amendments A1:2004 and A2:2006 and Corrigendum December 2005. It is identical with IEC 61770:1998, including amendment 1:2004 and amendment 2:2006. It supersedes BS EN 50084:1992 which was withdra
4、wn on 1 April 2002. This British Standard replaces BS EN 61770:1999 which was an endorsement of EN 61770:1998 and which has been withdrawn due to omissions in Annex ZB. The UK participation in its preparation was entrusted by Technical Committee CPL/61, Safey of household and similar electrical appl
5、iances, to Subcommittee CPL/61/14, Home laundry appliances and dishwashers. A list of organizations represented on CPL/61/14 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 for its correct app
6、lication. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments 152974 August 2004Changes to Clause 1 and subclauses 4.2, 5.1, 5.2, 5.4, 8.1 and 9.1.10 1664931 October 2006 Changes to Note 2 of Scope, subclause 7.1
7、 and incorporating Corrigendum December 2005 replacing the A-derivations for subclauses 9.1.6, 9.1.7 and 9.1.8 in Annex ZB. Licensed Copy: AUB User, na, Thu Sep 20 11:04:10 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 标准分享网 w w w .b z f x w .c o m 免费下载 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM
8、 EN 61770 December 1999 + A1 May 2004 ICS 91.140.60; 97.030Supersedes EN 50084:1992 and its amendment English version Electric appliances connected to the water mains Avoidance of backsiphonage and failure of hose-sets Appareils lectriques raccords au rseau dalimentation en eau Prescriptions pour vi
9、ter le retour deau par siphonnage et la dfaillance des ensembles de raccordement Elektrische Gerte zum Anschlu an die Wasserversorgungsanlage Vermeidung von Rcksaugung und Fehlern bei Schlauchstzen This European Standard was approved by CENELEC on 1998-10-01, amendment A1 was approved by CENELEC on
10、2004-03-01. CENELEC 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 alteration. Up-to-date lists and bibliographical references concerning such national standards may
11、be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to t
12、he Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, N
13、etherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassa
14、rt 35, B-1050 Brussels 1999 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61770:1999 E + A2 June 2006 Incorporating Corrigendum December 2005 (IEC 61770:1998) Licensed Copy: AUB User, na, Thu Sep 20 11:04:10 GMT+00:00 2007, Unco
15、ntrolled Copy, (c) BSI 9991:07716 NE Page 2 EN 61770:1999 Licensed Copy: AUB User, na, Thu Sep 20 11:04:10 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 标准分享网 w w w .b z f x w .c o m 免费下载 Foreword to amendment A1 The text of document 61/2490/FDIS, future amendment 1 to IEC 61770:1998, prepared by the I
16、EC Technical Committee 61, Safety of household and similar electrical appliances, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as amendment A1 to EN 61770:1999 on 2004-03-01. The following dates are applicable: - latest date by which the amendment has to be implemented
17、at national level by publication of an identical national standard or by endorsement (dop) 2004-12-01 - date on which national standards conflicting with the amendment have to be withdrawn (dow) 2007-03-01 This amendment supplements or modifies the corresponding clauses of EN 61770:1999. There are n
18、o special national conditions causing a deviation from this amendment. There are no national deviations from this amendment. _ Endorsement notice The text of amendment 1:2004 to the International Standard IEC 61770:1998 was approved by CENELEC as an amendment to the European Standard without any mod
19、ification. _ Page 3 EN 61770:1999 Foreword to amendment A2 The text of document 61/2983/FDIS, future amendment 2 to IEC 61770:1998, prepared by IEC Technical Committee 61, Safety of household and similar electrical appliances, was submitted to the IEC-CENELEC parallel vote and was approved by CENELE
20、C as amendment A2 to EN 61770:1999 on 2006-04-01. The following dates are applicable: - latest date by which the amendment has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2007-01-01 - date on which national standards conflicting with t
21、he amendment have to be withdrawn (dow) 2009-04-01 This amendment supplements or modifies the corresponding clauses of EN 61770:1999. There are no special national conditions causing a deviation from this amendment. There are no national deviations from this amendment. _ Endorsement notice The text
22、of amendment 2:2006 to the International Standard IEC 61770:1998 was approved by CENELEC as an amendment to the European Standard without any modification. _ _ Licensed Copy: AUB User, na, Thu Sep 20 11:04:10 GMT+00:00 2007, Uncontrolled Copy, (c) BSI Page 4 EN 61770:1999 CONTENTS 1 Scope. 5 2 Norma
23、tive reference 5 3 Definitions 5 4 General requirements 7 5 General conditions for the tests 7 6 Airgaps 8 7 Pipe interrupters 9 8 Dynamic backflow preventers. 10 9 Hose-sets. 10 Annex A (normative) Backsiphonage test 21 Annex ZA (normative) Normative references to international publications with th
24、eir corresponding European publications 22 Annex ZB (informative) A-deviations 23 Figures Figure 1 Arrangement for the determination of “h“ for pipe interrupters 15 Figure 2 Arrangement for the determination of maximum and critical water levels for pipe interrupters . 15 Figure 3 Kinking test. 16 Fi
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