BS EN 12263-1999 Refrigerating systems and heat pumps - Safety switching devices for limiting the pressure - Requirements and tests《制冷系统和热力泵 限压安全开关装置 要求和试验》.pdf
《BS EN 12263-1999 Refrigerating systems and heat pumps - Safety switching devices for limiting the pressure - Requirements and tests《制冷系统和热力泵 限压安全开关装置 要求和试验》.pdf》由会员分享,可在线阅读,更多相关《BS EN 12263-1999 Refrigerating systems and heat pumps - Safety switching devices for limiting the pressure - Requirements and tests《制冷系统和热力泵 限压安全开关装置 要求和试验》.pdf(12页珍藏版)》请在麦多课文档分享上搜索。
1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12263:1999 The Euro
2、pean Standard EN 12263:1998 has the status of a British Standard ICS 27.080; 27.200 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Refrigerating systems and heat pumps Safety switching devices for limiting the pressure Requirements and testsThis British Standard, having been
3、prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 April 1999 BSI 04-1999 ISBN 0 580 29284 3 BS EN 12263:1999 Amendments issued since publication Amd. No. Date Text affected National foreword This
4、 British Standard is the English language version of EN 12263:1998. The UK participation in its preparation was entrusted to Technical Committee RHE/18, Refrigeration safety, which has the responsibility to: aid enquirers to understand the text; present to the responsible European committee any enqu
5、iries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The Bri
6、tish Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A Briti
7、sh Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front
8、 cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover.CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1998 CEN All rights of exploitation in any form and
9、 by any means reserved worldwide for CEN national Members. Ref. No. EN 12263:1998 E EUROPEAN STANDARD EN 12263 NORME EUROPE ENNE EUROPA ISCHE NORM November 1998 ICS 27.080; 27.200 Descriptors: cooling systems, refrigerating, heat pumps, safety devices, pressure limiters, specifications, tests, testi
10、ng conditions, adjustment, instructions, marking English version Refrigerating systems and heat pumps Safety switching devices for limiting the pressure Requirements and tests Syste mes de re frige ration et pompes a chaleur Dispositifs-interrupteurs de se curite limitant la pression Exigences et es
11、sais Ka lteanlagen und Wa rmepumpen Sicherheitsschalteinrichtungen zur Druckbegrenzung Anforderungen und Pru fungen This European Standard was approved by CEN on 4 March 1998. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Eur
12、opean Standard the status of a national standard without any alteration. 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 (Englis
13、h, French, German). A version in any other language made by translation 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, Czech Republ
14、ic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.Page 2 EN 12263:1998 BSI 04-1999 Foreword This European Standard has been prepared by Technical Committee CEN/TC 182, Refrigerating systems
15、, safety and environmental requirements, the Secretariat of which is held by DIN. 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 May 1999, and conflicting national standards shall be withdrawn at
16、 the latest by May 1999. This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of the EU Directive 97/23/EC. For relationship with EU Directive(s), see informative annex ZA, which
17、is an integral part of this standard. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy
18、, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Definitions 3 4 Requirements and tests 4 5 Installation and operating instructions 7 6 Marking 7 Annex A (informative) Symbols and equivalent
19、terms in English, French and German 8 Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provisions of EC Directives 9Page 3 EN 12263:1998 BSI 04-1999 1 Scope 1.1 This European Standard establishes the requirements and tests applied to safety switchin
20、g devices for limiting the pressure (hereafter called devices) to ensure that the maximum or minimum pressure, which is caused by a pressure generator in refrigerating systems and/or heat pumps, is maintained within the limits of the refrigerating system and/or heat pump. These devices are of specia
21、l construction and are equipped with mechanically operated output contacts. NOTE Devices may be wired directly into the control circuit of the compressor or may be connected through a relay or microprocessor/computer. Transducers/analogue devices are not covered by this standard. If more stringent s
22、pecifications for special applications are necessary, these should be agreed between the customer and the manufacturer of the devices. 1.2 Different safety and control functions can be combined in one device. 1.3 This standard does not apply to devices used for control purposes. 2 Normative referenc
23、es This European Standard incorporates, by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these
24、 publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies. EN 60529, Degrees of protection provided by enclosures (IP code). (IEC 529:1989) EN 60730-1:1995, Automatic electric
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