EN 378-2-2008 8125 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2 Design construction testing marking and documentation (Incorporates Amendme.pdf

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1、BRITISH STANDARDBS EN 378-2:2008Refrigerating systems and heat pumps Safety and environmental requirements Part 2: Design, construction, testing, marking and documentationICS 27.080; 27.200 +A1:2009BS EN 378-2:2008 +A2:2012Copyright European Committee for Standardization Provided by IHS under licens

2、e with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 378-2:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2008 BSI 2009National forewordThis British Standard is the UK implementation

3、 of EN 378-2:2008+A1:2009. It supersedes BS EN 378-2:2008 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee RHE/18, Refrigeration safety.A list of organizations represented on this committee can be obtained on request to its secretary.This publication d

4、oes not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Amendments/corrigenda issued since publicationCompliance with a British Standard cannot confer immunity from legal obligations.The start and finish of text introduced or altered b

5、y 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 by .abComments 30 June 2009 Implementation of CEN amendment A1:2009ISBN 978 0 580 62496 4 +A1:2009onISBN 978 0 580 76025

6、 9Amendments/corrigenda issued since publicationDate Comments30 June 2009 Implementation of CEN amendment A1:200930 June 2012 Implementation of CEN amendment A2:2012This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2008 The British Sta

7、ndards Institution 2012. Published by BSI Standards Limited 2012BS EN 378-2:2008+A2:2012This British Standard is the UK implementation of EN 378-2:2008+A2:2012. It supersedes BS EN 378-2:2008+A1:2009, which is withdrawn.Copyright European Committee for Standardization Provided by IHS under license w

8、ith CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 378-2:2008+A2 May 2012 ICS 27.080; 27.200 Supersedes EN 378-2:2008+A1:2009English Version Refrigerating systems and heat pumps - Safety and environmental req

9、uirements - Part 2: Design, construction, testing, marking and documentation Systmes de rfrigration et pompes chaleur - Exigences de scurit et denvironnement - Partie 2: Conception, construction, essais, marquage et documentation Klteanlagen und Wrmepumpen - Sicherheitstechnische und umweltrelevante

10、 Anforderungen - Teil 2: Konstruktion, Herstellung, Prfung, Kennzeichnung und DokumentationThis European Standard was approved by CEN on 13 October 2007 and includes Amendment 1 approved by CEN on 14 March 2009 and Amendment 2 approved by CEN on 16 April 2012. CEN members are bound to comply with th

11、e 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 be obtained on application to the CEN-CENELEC Managemen

12、t Centre 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 under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status

13、as the official versions. CEN members are the national standards bodies of 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, R

14、omania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any mean

15、s reserved worldwide for CEN national Members. Ref. No. EN 378-2:2008+A2:2012: ECopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-EN 378-2:2008+A2:2012 (E) 2 Contents Page Foreword

16、 3Introduction .41 Scope 52 Normative references 63 Terms, definitions, designations, classification and abbreviations .93.1 Terms and definitions .93.2 Designations and classification .93.3 Abbreviations .94 Significant hazards 95 Safety requirements and/or measures 95.1 General safety and/or envir

17、onmental requirements 95.2 Safety requirements for components and piping 105.3 Miscellaneous components . 136 Requirements for assemblies 176.1 General . 176.2 Design and construction 186.3 Testing . 406.4 Marking and documentation 43Annex A (normative) Additional requirements for refrigerating syst

18、ems and heat pumps with R717 . 48Annex B (normative) Determination of category for assemblies 49Annex C (normative) Requirements for intrinsic safety test . 54Annex D (normative) List of significant hazards 56Annex E (informative) Assessment of assemblies for compliance with directive 97/23/EC 57Ann

19、ex F (informative) Examples for arrangement of pressure relief devices in refrigerating systems 58Annex G (informative) Checklist for external visual inspection of the installation . 61Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 9

20、7/23/EC . 62Annex ZB (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 98/37/EC . 63Annex ZC (informative) !Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC“ 65Bibliography . 67EN 378-2:2008+A

21、2:2012 (E)BS EN 378-2:2008+A2:2012Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-EN 378-2:2008+A2:2012 (E) 3 Foreword This document (EN 378-2:2008+A2:2012) has been prepared by

22、Technical Committee CEN/TC 182 “Refrig-erating systems, 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 November 20

23、12, and conflicting national standards shall be withdrawn at the latest by November 2012. This document includes Amendment 1, approved by CEN on 2009-03-14 and Amendment 2, approved by CEN on 2012-04-16. This document supersedes #EN 378-2:2008+A1:2009$. The start and finish of text introduced or alt

24、ered by amendment is indicated in the text by tags !“ and #$. !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 the EU Directive(s). For relationship with EU Directive(s), see inform

25、ative Annexes ZA, ZB and ZC, which are integral parts of this document.“ EN 378 consists of the following parts under the general title Refrigerating systems and heat pumps Safety and environmental requirements: Part 1: Basic requirements, definitions, classification and selection criteria Part 2: D

26、esign, construction, installing, testing, marking and documentation Part 3: Installation site and personal protection Part 4: Operation, maintenance, repair and recovery According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to im

27、plement 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,

28、Switzerland, Turkey and the United Kingdom. EN 378-2:2008+A2:2012 (E)BS EN 378-2:2008+A2:2012Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-EN 378-2:2008+A2:2012 (E) 4 Introduct

29、ion The introduction of #EN 378-1:2008+A2:2012$ is applicable. This standard is a type C standard as stated in EN ISO 12100. The machinery concerned and the extent to which hazards, hazardous situations and hazardous events are covered are indicated in the scope of this standard. When provisions of

30、this type C standard are different from those which are stated in type A or B standards, the provisions of this type C standard take precedence over the provisions of the other standards, for machines that have been designed and built according to the provisions of this type C standard. EN 378-2:200

31、8+A2:2012 (E)BS EN 378-2:2008+A2:2012Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-EN 378-2:2008+A2:2012 (E) 5 1 Scope This European Standard is applicable to the design, const

32、ruction and installing of refrigerating systems including piping, components and materials and including ancillary equipment directly associated with such systems. It also specifies requirements for testing, commissioning, marking and documentation. In case the heat transfer fluid is not gaseous at

33、atmospheric pressure, the requirements for circuits for heat transfer fluids are excluded except for any safety devices associated with the refrigerating system. It is not applicable to refrigerating systems with air or water as refrigerant and does not cover the requirements for equipment to be use

34、d in a potentially explosive atmosphere. The following ancillary equipment includes: fan and fan motor; electrical motor and transmission for open compressor systems. This European Standard specifies the requirements relating to stationary and mobile refrigerating systems of all sizes, including hea

35、t pumps. Systems using refrigerants other than those listed in Annex E of #EN 378-1:2008+A2:2012$ are not cov-ered by this standard as long as a safety class is not assigned. Basic safety requirements for refrigerating systems as defined in EN 378-1 are applicable for this standard. Basic requiremen

36、ts for the installation site as defined in EN 378-3 apply. This European Standard is not applicable to refrigeration systems and heat pumps which are manufactured before the date of its publication as EN. EN 378-2:2008+A2:2012 (E)BS EN 378-2:2008+A2:2012Copyright European Committee for Standardizati

37、on Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-EN 378-2:2008+A2:2012 (E) 6 2 Normative references The following referenced documents are indispensable for the application of this document. For dated refer-ences, only the ed

38、ition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 294:1992, Safety of machinery Safety distance to prevent danger zones being reached by the upper limbs #EN 378-1:2008+A2:2012$, Refrigerating systems and heat pumps Safet

39、y and environmental re-quirements Part 1: Basic requirements, definitions, classification and selection criteria #EN 378-3:2008+A1:2012$, Refrigerating systems and heat pumps Safety and environmental re-quirements Part 3: Installation site and personal protection #EN 378-4:2008+A1:2012$, Refrigerati

40、ng systems and heat pumps Safety and environmental re-quirements Part 4: Operation, maintenance, repair and recovery EN 809:1998, Pumps and pump units for liquids Common safety requirements EN 837-1:1996, Pressure gauges Part 1: Bourdon tube pressure gauges Dimensions, metrology, re-quirements and t

41、esting EN 837-2:1997, Pressure gauges Part 2: Selection and installation recommendations for pressure gauges EN 837-3:1996, Pressure gauges Part 3: Diaphragm and capsule pressure gauges Dimensions, metrol-ogy, requirements and testing EN 953:1997, Safety of machinery Guards General requirements for

42、the design and construction of fixed and movable guards EN 1050:1996, Safety of machinery Principles for risk assessment EN 1290:1998, Non-destructive examination of welds Magnetic particle examination of welds EN 1435:1997, Non-destructive examination of welds Radiographic examination of welded joi

43、nts EN 1714:1997, Non-destructive examination of welds Ultrasonic examination of welded joints EN 1736:2000, Refrigerating systems and heat pumps Flexible pipe elements, vibration isolators and ex-pansion joints Requirements, design and installation EN 1779:1999, Non-destructive testing Leak testing

44、 Criteria for method and technique selection EN 1861:1998, Refrigerating systems and heat pumps System flow diagrams and piping and instrument diagrams Layout and symbols EN 12178:2003, Refrigerating systems and heat pumps Liquid level indicating devices Requirements, testing and marking EN 12263:19

45、98, Refrigerating systems and heat pumps Safety switching devices for limiting the pressure Requirements and tests EN 12284:2003, Refrigerating systems and heat pumps Valves Requirements, testing and marking EN 12517-1:2006, Non-destructive examination of welds Part 1: Evaluation of welded joints in

46、 steel, nickel, titanium and their alloys by radiography Acceptance levels EN 378-2:2008+A2:2012 (E)BS EN 378-2:2008+A2:2012Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-EN 378

47、-2:2008+A2:2012 (E) 7 prEN 12517-2:2006, Non destructive testing of welds Part 2: Evaluation of welded joints in aluminium and its alloys by radiography Acceptance levels prEN 12693:2006, Refrigerating systems and heat pumps Safety and environmental requirements Positive displacement refrigerant com

48、pressors EN 12735-1:2001, Copper and copper alloys Seamless, round copper tubes for air conditioning and refrigeration Part 1: Tubes for piping systems EN 12735-2:2001, Copper and copper alloys Seamless, round copper tubes for air conditioning and refrigeration Part 2: Tubes for equipment EN 12799:2000, Brazing Non