DIN EN 12976-2-2017 Thermal solar systems and components - Factory made systems - Part 2 Test methods German version EN 12976-2 2017《太阳供热系统和部件 工厂制造系统 第2部分 试验方法 德文版本EN 12976-2-2017》.pdf
《DIN EN 12976-2-2017 Thermal solar systems and components - Factory made systems - Part 2 Test methods German version EN 12976-2 2017《太阳供热系统和部件 工厂制造系统 第2部分 试验方法 德文版本EN 12976-2-2017》.pdf》由会员分享,可在线阅读,更多相关《DIN EN 12976-2-2017 Thermal solar systems and components - Factory made systems - Part 2 Test methods German version EN 12976-2 2017《太阳供热系统和部件 工厂制造系统 第2部分 试验方法 德文版本EN 12976-2-2017》.pdf(77页珍藏版)》请在麦多课文档分享上搜索。
1、April 2017 English price group 26No 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!%dTf“2654967www.din.deDIN E
2、N 12976-2Thermal solar systems and components Factory made systems Part 2: Test methods;English version EN 129762:2017,English translation of DIN EN 12976-2:2017-04Thermische Solaranlagen und ihre Bauteile Vorgefertigte Anlagen Teil 2: Prfverfahren;Englische Fassung EN 129762:2017,Englische bersetzu
3、ng von DIN EN 12976-2:2017-04Installations solaires thermiques et leurs composants Installations prfabriques en usine Partie 2: Mthodes dessais;Version anglaise EN 129762:2017,Traduction anglaise de DIN EN 12976-2:2017-04SupersedesDIN EN 129762:200604www.beuth.deDocument comprises 77 pagesDTranslati
4、on by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.04.17 DIN EN 12976-2:2017-04 2 A comma is used as the decimal marker. National foreword This document (EN 12976-2:2017) has been prepared by Technical Committee CEN/TC 312 “Thermal solar systems
5、 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 and ISO/TC 180)”. Ame
6、ndments This standard differs from DIN EN 12976-2:2006-04 as follows: a) major changes concerning the ErP Directive and the new mechanical test load have been made; b) Annex ZA (new) has been harmonized with EU Directive No 811/2013; c) Annex ZB (new) has been harmonized with EU Directive No 812/201
7、3; d) Annex ZC (new) has been harmonized with EU Directive No 814/2013. Previous editions DIN EN 12976-2: 2001-03, 2006-04 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12976-2 January 2017 ICS 27.160 Supersedes EN 12976-2:2006English Version Thermal solar systems and components - Factory mad
8、e systems - Part 2: Test methods Installations solaires thermiques et leurs composants -Installations prfabriques en usine - Partie 2 : Mthodes dessai Thermische Solaranlagen und ihre Bauteile - Vorgefertigte Anlagen - Teil 2: Prfverfahren This European Standard was approved by CEN on 15 April 2016.
9、 CEN 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 be obtained on
10、application to 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-CENELE
11、C Management Centre 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,
12、 Latvia, Lithuania, 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
13、: Avenue Marnix 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 12976-2:2017 EEN 12976-2:2017 (E) 2 Contents Page European foreword . 6 Introduction 8 1 Scope . 10 2 Normative references . 10 3 Terms and de
14、finitions 10 4 Symbols and abbreviations 10 5 Testing 11 5.1 Freeze resistance 11 5.1.1 General . 11 5.1.2 Systems using antifreeze fluid . 11 5.1.3 Drain-back systems . 11 5.1.4 Drain-down systems . 12 5.1.5 Freeze protection and combined control functions 12 5.1.6 Other systems 12 5.2 Over tempera
15、ture protection 13 5.2.1 Purpose 13 5.2.2 Apparatus 13 5.2.3 Procedure 13 5.2.4 Reporting requirements 14 5.3 Pressure resistance . 14 5.3.1 Purpose 14 5.3.2 Apparatus 14 5.3.3 Safety precaution . 15 5.3.4 Procedure 15 5.3.5 Reporting requirements 16 5.4 Water contamination 16 5.5 Testing the resist
16、ance against mechanical load . 17 5.5.1 Purpose 17 5.5.2 Apparatus 17 5.5.3 Safety precaution . 17 5.5.4 Calculation procedure for the mechanical load 18 5.5.5 Procedure 20 5.5.6 Reporting requirements 20 5.6 Lightning protection . 21 5.7 Safety equipment 21 5.7.1 Safety valves . 21 5.7.2 Safety lin
17、es and expansion lines . 22 5.7.3 Blow-off lines . 22 5.8 Labelling 22 5.9 Thermal performance characterization 22 5.9.1 Introduction . 22 5.9.2 Test procedure 23 5.9.3 Prediction of yearly performance indicators . 24 5.10 Ability of solar-plus-supplementary systems to cover the load 31 DIN EN 12976
18、-2:2017-04 EN 12976-2:2017 (E) 3 5.10.1 General . 31 5.10.2 Boundary conditions for auxiliary heating . 31 5.10.3 Boundary conditions for daily load 32 5.10.4 Determination of the ability to cover the maximum daily load by means of testing the system 33 5.10.5 Determination of the ability to cover t
19、he maximum daily load by means of numerical simulations 33 5.10.6 Determination of the ability to cover the daily load defined by the European load profiles by means of numerical simulations . 33 5.10.7 Requirements for mixed water at 40 C . 34 5.11 Reverse flow protection . 36 5.12 Electrical safet
20、y . 36 Annex A (normative) Thermal performance presentation sheet 37 Annex B (normative) Reference conditions for performance prediction . 39 B.1 General . 39 B.2 Pipe diameter and insulation thickness . 42 B.3 Calculation of cold water temperature at reference location 43 B.4 Additional set of refe
21、rence conditions for annual performance calculations 44 B.5 Reference conditions for the performance of the auxiliary heater 47 Annex C (informative) Assessment of the ability of solar DHW systems to resist the extreme climatic conditions . 48 C.1 Indoor and outdoor test procedure for assessment of
22、the frost resistance of solar DWH systems with outdoor storage tank or system using heat transfer fluid with the risk of freezing . 48 C.1.1 Objective and applicability 48 C.1.2 Apparatus and mounting of the system 48 C.1.3 Test procedure 49 C.1.4 Test conditions Determination of the test conditions
23、 for freezing period . 50 C.1.5 Results 50 C.2 Indoor test procedure for assessment of the reliability of solar DWH systems in respect of overheating protection 51 C.2.1 Objective and applicability 51 C.2.2 Apparatus and mounting of the system 51 C.2.3 Test procedure 53 C.2.4 Test conditions 53 C.2.
24、5 Results 55 Annex D (informative) Ageing test for thermostatic valves . 57 D.1 General . 57 D.2 Test arrangement . 57 D.3 Test Procedure 58 D.4 Results 59 Annex E (informative) Lightning protection test for solar heating systems 60 E.1 Field of application. 60 E.2 Purpose 60 E.3 Requirements . 60 E
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