DIN EN 12976-1-2017 Thermal solar systems and components - Factory made systems - Part 1 General requirements German version EN 12976-1 2017《太阳供热系统和部件 工厂制造系统 第1部分 一般要求 德文版本EN 12976.pdf

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1、April 2017 English price group 16No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 27.160!%dTe“2654966www.din.deDIN E

2、N 12976-1Thermal solar systems and components Factory made systems Part 1: General requirements;English version EN 129761:2017,English translation of DIN EN 12976-1:2017-04Thermische Solaranlagen und ihre Bauteile Vorgefertigte Anlagen Teil 1: Allgemeine Anforderungen;Englische Fassung EN 129761:201

3、7,Englische bersetzung von DIN EN 12976-1:2017-04Installations solaires thermiques et leurs composants Installations prfabriques en usine Partie 1: Exigences gnrales;Version anglaise EN 129761:2017,Traduction anglaise de DIN EN 12976-1:2017-04SupersedesDIN EN 129761:200604www.beuth.deDocument compri

4、ses 35 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.04.17 DIN EN 12976-1:2017-04 2 A comma is used as the decimal marker. National foreword This document (EN 12976-1:2017) has been prepared by Technical Committee CEN/TC 312

5、“Thermal solar systems and components” (Secretariat: ELOT, Greece). The responsible German body involved in its preparation was DIN-Normenausschuss Heiz- und Raumlufttechnik (DIN Standards Committee Heating and Ventilation Technology), Working Committee NA 041-01-56 AA “Solar systems (SpA CEN/TC 312

6、 and ISO/TC 180)”. Amendments This standard differs from DIN EN 12976-1:2006-04 as follows: a) in subclause 4.4.1 “Safety valves”, a new requirement has been included that safety valves are to comply with EN 1489; b) in subclause 4.5 “Resistance to external influences”, it is taken into account that

7、 the solar components can impact the performance and durability of essential building elements, e.g. roofs and facades; c) regarding labelling, the standard has been harmonized with the ErP Directive; d) in the new Annex C, system families and possible ranges of variations within one system type hav

8、e been defined. Previous editions DIN 4757-1: 1980-11 DIN EN 12976-1: 2001-03, 2006-04 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12976-1 January 2017 ICS 27.160 Supersedes EN 12976-1:2006English Version Thermal solar systems and components - Factory made systems - Part 1: General requirem

9、ents Installations solaires thermiques et leurs composants -Installations prfabriques en usine - Partie 1: Exigences gnrales Thermische Solaranlagen und ihre Bauteile - Vorgefertigte Anlagen - Teil 1: Allgemeine Anforderungen This European Standard was approved by CEN on 15 April 2016. CEN members a

10、re 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 be obtained on application to

11、 the CEN-CENELEC Management 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 C

12、entre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithu

13、ania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marni

14、x 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12976-1:2017 EEN 12976-1:2017 (E) 2 Contents Page European foreword 4 Introduction 5 1 Scope 7 2 Normative references 7 3 Terms and definitions . 8 4 Requir

15、ements . 9 4.1 General 9 4.1.1 Safety . 9 4.1.2 Suitability for drinking water. 9 4.1.3 Water contamination 9 4.1.4 Testing of resistance towards mechanical load . 9 4.1.5 Freeze resistance 9 4.1.6 Over temperature protection . 10 4.1.7 Reverse flow protection . 11 4.1.8 Pressure resistance 11 4.1.9

16、 Electrical safety . 11 4.2 Materials 11 4.3 Components and pipework . 12 4.3.1 Collector . 12 4.3.2 Supporting frame 12 4.3.3 Piping 12 4.3.4 Heat Exchangers 13 4.3.5 Control system . 13 4.4 Safety equipment 13 4.4.1 Safety valves 13 4.4.2 Safety lines and expansion lines 13 4.4.3 Blow-off lines 13

17、 4.4.4 Expansion vessels . 13 4.5 Resistance to external influences . 14 4.6 Documentation 14 4.6.1 General 14 4.6.2 Documents for the installer 14 4.6.3 Documents for the user 17 4.7 Energy Labelling 18 4.8 System performance 19 Annex A (informative) Conformity assessment 20 Annex B (informative) M

18、aterial combination with regard to corrosion . 21 Annex C (normative) System families. 24 C.1 System family, system subtype 24 C.2 Requirements for grouping different system configurations into one system family. 24 C.3 Testing requirements 27 C.4 Procedure 28 C.4.1 General 28 C.4.2 Evaluation of th

19、e validity of the test result 29 DIN EN 12976-1:2017-04 EN 12976-1:2017 (E) 3 C.4.3 Determination of the system parameters 30 C.4.4 Calculation of annual performance 32 Bibliography . 33 Tables Table 1 Division for factory made and custom built solar heating systems . 6 Table A.1 Guidelines for repe

20、tition of tests in case that components have been changed . 20 Table B.1 Material/fluid combination for closed systems 21 Table B.2 Material/fluid combination for closed systems 22 Table B.3 Material combinations for open systems (related to internal surfaces) . 23 Table B.4 Material combinations fo

21、r open systems (related to internal surfaces) . 23 Figures Figure C.1 Principle of method II (DST) . 29 DIN EN 12976-1:2017-04 EN 12976-1:2017 (E) 4 European foreword This document (EN 12976-1:2017) has been prepared by Technical Committee CEN/TC 312 “Thermal solar systems and components”, the secre

22、tariat of which is held by ELOT. 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 July 2017, and conflicting national standards shall be withdrawn at the latest by July 2017. Attention is drawn to

23、the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 12976-1:2006. This document has been prepared under a mandate given to CEN by th

24、e European Commission and the European Free Trade Association. Most significant changes in EN 12976-1:2017 and EN 12976-2:2017 since the 2006 editions of both parts: The first edition of the EN 12976 series was published in 2000. The standard series provided an important basis for the assessment of

25、the performance as well as the reliability and durability of Factory made solar thermal systems. In the past 15 years or so, several important technological developments and changes of the framework conditions, such as e.g. the aspect of requiring “Energy Labelling”, the EN 12976 series underwent se

26、veral important changes. The following modifications are the most important ones that have been implemented in this new edition of EN 12976-1: safety valves: new requirement that safety valves shall conform with EN 1489; resistance to external influences: consideration that the solar components can

27、impact on the performance and durability of essential building elements, e.g. roofs and facades; labelling: harmonisation with ErP; Annex C (new): definition of system families; possible range of variations within one system type. EN 12976, Thermal solar systems and components Factory made systems,

28、is currently composed with the following parts: Part 1: General requirements; Part 2: Test methods. According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, C

29、yprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

30、 the United Kingdom. DIN EN 12976-1:2017-04 EN 12976-1:2017 (E) 5 Introduction Drinking water quality: In respect of potential adverse effects on the quality of water intended for human consumption, caused by the product covered by this standard: a) this standard provides no information as to whethe

31、r the product may be used without restriction in any of the Member States of the EU or EFTA; b) it should be noted that, while awaiting the adoption of verifiable European criteria, existing national regulations concerning the use and/or the characteristics of this product remain in force. Factory M

32、ade and Custom Built solar heating systems: The standards EN 12976-1, EN 12976-2, EN 12977-1, EN 12977-2, EN 12977-3, EN 12977-4 and EN 12977-5 distinguish two categories of solar heating systems: Factory Made solar heating systems and Custom Built solar heating systems. The classification of a syst

33、em as Factory Made or Custom Built is a choice of the final supplier, in accordance with the following definitions. Factory Made solar heating systems are batch products with one trade name, sold as complete and ready to install kits, with fixed configurations. Systems of this category are considere

34、d as a single product and assessed as a whole. If a Factory Made Solar Heating System is modified by changing its configuration or by changing one or more of its components, the modified system is considered as a new system for which a new test report is necessary. Requirements and test methods for

35、Factory Made solar heating systems are given in EN 12976-1 and EN 12976-2. Custom Built solar heating systems are either uniquely built, or assembled by choosing from an assortment of components. Systems of this category are regarded as a set of components. The components are separately tested and t

36、est results are integrated to an assessment of the whole system. Requirements for Custom Built solar heating systems are given in EN 12977-1; test methods are specified in EN 12977-2, EN 12977-3, EN 12977-4 and EN 12977-5. Custom Built solar heating systems are subdivided into two categories: Large

37、Custom Built systems are uniquely designed for a specific situation. In general HVAC engineers, manufacturers or other experts design them. Small Custom Built systems offered by a company are described in a so-called assortment file, in which all components and possible system configurations, market

38、ed by the company, are specified. Each possible combination of a system configuration with components from the assortment is considered as one Custom Built system. DIN EN 12976-1:2017-04 EN 12976-1:2017 (E) 6 Table 1 shows the division for different system types: Table 1 Division for factory made an

39、d custom built solar heating systems Factory Made Solar Heating Systems (EN 129761 and EN 129762) Custom Built Solar Heating Systems (EN 129771, EN 129772 and EN 129773) Integrated collector storage systems for domestic hot water preparation Forced-circulation systems for hot water preparation and/o

40、r space heating, assembled using components and configurations described in an assortment file (mostly small systems) Thermosiphon systems for domestic hot water preparation Forced-circulation systems as batch product with fixed configuration for domestic hot water preparation Uniquely designed and

41、assembled systems for hot water preparation and/or space heating (mostly large systems) NOTE Forced circulation systems can be classified either as Factory Made or as Custom Built, depending on the market approach chosen by the final supplier. Both Factory Made and Custom Built systems are performan

42、ce tested under the same set of reference conditions as specified in EN 129762:2017, Annex B, and in EN 129772:2012, Annex A. In practice, the installation conditions may differ from these reference conditions. A Factory Made system for domestic hot water preparation may have an option for space hea

43、ting, however this option should not be used or considered during testing as a Factory Made system. DIN EN 12976-1:2017-04 EN 12976-1:2017 (E) 7 1 Scope This European Standard specifies requirements on durability, reliability and safety for Factory Made solar heating systems. The standard also inclu

44、des provisions for evaluation of conformity to these requirements. Concept of system families is included, as well. The requirements in this standard apply to Factory Made solar systems as products. The installation of these systems including their integration with roofs or facades is not considered

45、, but requirements are given for the documentation for the installer and the user to be delivered with the system (see also 4.6). External auxiliary water heating devices that are placed in series with the Factory Made system are not considered to be part of the system. Cold water piping from the co

46、ld water grid to the system as well as piping from the system to an external auxiliary heater or to draw-off points is not considered to be part of the system. Piping between components of the Factory Made system is considered to be part of the system. Any integrated heat exchanger or piping for spa

47、ce heating option (see Introduction, last paragraph) is not considered to be part of the system. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited ap

48、plies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 806-1, Specifications for installations inside buildings conveying water for human consumption Part 1: General EN 806-2, Specification for installations inside buildings conveying wate

49、r for human consumption Part 2: Design EN 809, Pumps and pump units for liquids Common safety requirements EN 1151 (all parts), Pumps Rotodynamic pumps Circulation pumps having a rated power input not exceeding 200 W for heating installations and domestic hot water installations EN 1489, Building valves Pressure safety valves Tests and requirements EN 1490, Building valves Combined temperature and pressure relief valves Tests

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