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© ISO 2013 Solar energy Solar thermal collectors Test s Énergie solaire Capteurs thermiques solaires Méthodes d’essai INTERNATIONAL STANDARD Please see the administrative notes on page iii Reference number ISO/FDIS 98062013E ISO/FDIS 9806 ISO/TC 180 Secretariat SA Voting begins on 2013-06-06 Voting terminates on 2013-08-06 RECIPIENTS OF THIS DRAFT ARE INVITED TO , WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE AND TO PROVIDE SUPPOR TING DOCUMENTATION. IN ADDITION TO THEIR UATION AS BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT INTERNATIONAL STANDARDS MAY ON OCCASION HAVE TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE MADE IN NATIONAL REGULATIONS. FINAL DRAFTISO/FDIS 98062013Eii © ISO 2013 – All rights reserved COPYRIGHT PROTECTED DOCUMENT © ISO 2013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. 41 22 749 01 11 Fax 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in SwitzerlandISO/CEN PARALLEL PROCESSING This final draft has been developed within the European Committee for Standardization CEN, and processed under the CEN-lead mode of collaboration as defined in the Vienna Agreement. The final draft was established on the basis of comments received during a parallel enquiry on the draft. This final draft is hereby ted to the ISO member bodies and to the CEN member bodies for a parallel two- month approval vote in ISO and two month al vote in CEN. Positive votes shall not be accompanied by comments. Negative votes shall be accompanied by the relevant technical reasons. ISO/FDIS 98062013E© ISO 2013 – All rights reserved iii ISO/FDIS 98062013Eiv © ISO 2013 – All rights reserved Contents Page Foreword ......................................................................................................................................................................................................................................vii Introduction ............................................................................................................................................................................................................................viii 1 Scope ................................................................................................................................................................................................................................. 1 2 Normative references ...................................................................................................................................................................................... 1 3 T erms and definitions ..................................................................................................................................................................................... 1 4 Symbols and abbreviated terms ........................................................................................................................................................... 3 5 General ............................................................................................................................................................................................................................ 9 5.1 Test overview Sequence of the tests ................................................................................................................................. 9 5.2 Particular aspects of collectors using external power sources and active or passive measures for normal operation and selfprotection ...........................................................................................10 6 Int ernal pr essur e t ests for fluid channels ...............................................................................................................................11 6.1 Inorganic fluid channels ...............................................................................................................................................................11 6.2 Fluid channels made of organic materials plastics or elastomers ......................................................11 6.3 Apparatus and procedure ...........................................................................................................................................................11 6.4 Results .........................................................................................................................................................................................................12 7 Leakage test closed loop air heating collectors only ...............................................................................................12 7.1 Objective ....................................................................................................................................................................................................12 7.2 Apparatus and procedure ...........................................................................................................................................................12 7.3 Test conditions .....................................................................................................................................................................................13 7.4 Results .........................................................................................................................................................................................................13 8 Rupture or collapse test air heating collectors only ................................................................................................13 8.1 Objective ....................................................................................................................................................................................................13 8.2 Apparatus and Procedure ...........................................................................................................................................................14 8.3 Test conditions .....................................................................................................................................................................................15 8.4 Results and reporting .....................................................................................................................................................................15 9 High-temperature resistance test ....................................................................................................................................................15 9.1 Objective ....................................................................................................................................................................................................15 9.2 Apparatus and procedure ...........................................................................................................................................................15 9.3 Test conditions .....................................................................................................................................................................................16 9.4 Results .........................................................................................................................................................................................................17 10 Standard stagnation temperature of liquid heating collectors .........................................................................17 10.1 General ........................................................................................................................................................................................................17 10.2 Measurement and extrapolation of standard stagnation temperature ...............................................17 10.3 Determining standard stagnation temperature using efficiency parameters ...............................18 11 Exposure and pre-exposure test .......................................................................................................................................................19 11.1 Objective ....................................................................................................................................................................................................19 11.2 Apparatus and procedure ...........................................................................................................................................................19 11.3 Test conditions .....................................................................................................................................................................................19 11.4 Results .........................................................................................................................................................................................................20 12 External thermal shock test ...................................................................................................................................................................20 12.1 Objective ....................................................................................................................................................................................................20 12.2 Apparatus and procedure ...........................................................................................................................................................21 12.3 Test conditions .....................................................................................................................................................................................21 12.4 Results .........................................................................................................................................................................................................21 13 Internal thermal shock test ....................................................................................................................................................................21 13.1 Objective ....................................................................................................................................................................................................21 13.2 Apparatus and procedure ...........................................................................................................................................................21 13.3 Test conditions .....................................................................................................................................................................................22 13.4 Results .........................................................................................................................................................................................................22 ISO/FDIS 98062013E© ISO 2013 – All rights reserved v 14 Rain penetration test ....................................................................................................................................................................................22 14.1 Objective ....................................................................................................................................................................................................22 14.2 Apparatus and procedure ...........................................................................................................................................................22 14.3 Test conditions .....................................................................................................................................................................................23 14.4 Results .........................................................................................................................................................................................................25 15 Freeze resistance test ...................................................................................................................................................................................26 15.1 Objective ....................................................................................................................................................................................................26 15.2 Apparatus and procedure ...........................................................................................................................................................26 15.3 Test conditions .....................................................................................................................................................................................26 15.4 Results .........................................................................................................................................................................................................26 16 Mechanical load test with positive or negative pressure ........................................................................................27 16.1 Objectives..................................................................................................................................................................................................27 16.2 Apparatus and procedure ...........................................................................................................................................................27 16.3 Test conditions .....................................................................................................................................................................................28 16.4 Results .........................................................................................................................................................................................................28 17 Impact resistance test ..................................................................................................................................................................................28 17.1 Objective .....
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