Solar energy - Solar thermal collectors - Test methods (ISO 9806:2017)

This document specifies test methods for assessing the durability, reliability, safety and thermal
performance of fluid heating solar collectors. The test methods are applicable for laboratory testing
and for in situ testing.
This document is applicable to all types of fluid heating solar collectors, air heating solar collectors,
hybrid solar collectors co-generating heat and electric power, as well as to solar collectors using
external power sources for normal operation and/or safety purposes. It does not cover electrical safety
aspects or other specific properties directly related to electric power generation.
This document is not applicable to those devices in which a thermal storage unit is an integral part to
such an extent that the collection process cannot be separated from the storage process for making the
collector thermal performance measurements.

Solarenergie - Thermische Sonnenkollektoren - Prüfverfahren (ISO 9806:2017)

Énergie solaire - Capteurs thermiques solaires - Méthodes d'essai (ISO 9806:2017)

L'ISO 9806:2017 spécifie les méthodes d'essai permettant d'évaluer la durabilité, la fiabilité, la sécurité et la performance thermique des capteurs solaires à circulation de fluide. Les méthodes d'essai sont applicables pour les essais en laboratoire et les essais in situ.
L'ISO 9806:2017 s'applique à tous les types de capteurs solaires à circulation de liquide, de capteurs solaires à air, de capteurs hybrides solaires produisant de l'énergie thermique et électrique ainsi que des capteurs solaires utilisant des sources d'alimentation externes pour leur fonctionnement normal et/ou à des fins de sécurité. Il ne traite pas des aspects de sécurité électrique ni d'autres propriétés spécifiques directement en rapport avec la production d'énergie électrique.
L'ISO 9806:2017 ne s'applique pas aux appareils dans lesquels un dispositif de stockage thermique fait partie intégrante dans la mesure où les opérations de captage et de stockage de l'énergie ne peuvent pas être séparées en vue d'effectuer des mesures de performance thermique du capteur.

Sončna energija - Sprejemniki sončne energije - Preskusne metode (ISO 9806:2017)

Ta dokument določa preskusne metode za ocenjevanje trajnosti, zanesljivosti, varnosti in toplotne učinkovitosti sprejemnikov sončne energije za ogrevanje tekočine. Preskusne metode se uporabljajo za laboratorijsko preskušanje in preskušanje na mestu uporabe.
Ta dokument se uporablja za vse vrste sprejemnikov sončne energije za ogrevanje tekočine, sprejemnikov sončne energije za ogrevanje zraka, hibridne sprejemnike sončne energije, ki proizvajajo toploto in električno energijo, ter sprejemnikov sončne energije, ki uporabljajo zunanje vire energije za normalno delovanje in/ali varnostne namene. Ne vključuje vidikov električne varnosti
ali drugih določenih lastnosti, ki so neposredno povezane s proizvodnjo električne energije.
Ta dokument se ne uporablja za naprave, pri katerih je enota za shranjevanje toplote sestavni del do te mere, da postopka sprejemanja ni mogoče ločiti od postopka shranjevanja za pripravo meritev toplotne učinkovitosti sprejemnika.

General Information

Status
Published
Public Enquiry End Date
29-Jun-2016
Publication Date
21-Jan-2018
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
08-Dec-2017
Due Date
12-Feb-2018
Completion Date
22-Jan-2018

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN ISO 9806:2018
01-februar-2018
1DGRPHãþD
SIST EN ISO 9806:2014
6RQþQDHQHUJLMD6SUHMHPQLNLVRQþQHHQHUJLMH3UHVNXVQHPHWRGH ,62

Solar energy - Solar thermal collectors - Test methods (ISO 9806:2017)
Solarenergie - Thermische Sonnenkollektoren - Prüfverfahren (ISO 9806:2017)
Énergie solaire - Capteurs thermiques solaires - Méthodes d'essai (ISO 9806:2017)
Ta slovenski standard je istoveten z: EN ISO 9806:2017
ICS:
27.160 6RQþQDHQHUJLMD Solar energy engineering
SIST EN ISO 9806:2018 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 9806:2018

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SIST EN ISO 9806:2018


EN ISO 9806
EUROPEAN STANDARD

NORME EUROPÉENNE

November 2017
EUROPÄISCHE NORM
ICS 27.160 Supersedes EN ISO 9806:2013
English Version

Solar energy - Solar thermal collectors - Test methods (ISO
9806:2017)
Énergie solaire - Capteurs thermiques solaires - Solarenergie - Thermische Sonnenkollektoren -
Méthodes d'essai (ISO 9806:2017) Prüfverfahren (ISO 9806:2017)
This European Standard was approved by CEN on 29 August 2017.

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 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-CENELEC 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, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.





EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 9806:2017 E
worldwide for CEN national Members.

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SIST EN ISO 9806:2018
EN ISO 9806:2017 (E)
Contents Page
European foreword . 3

2

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SIST EN ISO 9806:2018
EN ISO 9806:2017 (E)
European foreword
This document (EN ISO 9806:2017) has been prepared by Technical Committee ISO/TC 180 "Solar
energy" in collaboration with Technical Committee CEN/TC 312 “Thermal solar systems and
components” the secretariat 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 May 2018, and conflicting national standards shall be
withdrawn at the latest by May 2018.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 9806:2013.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, 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 the United Kingdom.
Endorsement notice
The text of ISO 9806:2017 has been approved by CEN as EN ISO 9806:2017 without any modification.

3

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SIST EN ISO 9806:2018

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SIST EN ISO 9806:2018
INTERNATIONAL ISO
STANDARD 9806
Second edition
2017-09
Solar energy — Solar thermal
collectors — Test methods
Énergie solaire — Capteurs thermiques solaires — Méthodes d'essai
Reference number
ISO 9806:2017(E)
©
ISO 2017

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SIST EN ISO 9806:2018
ISO 9806:2017(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2017, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
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
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2017 – All rights reserved

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SIST EN ISO 9806:2018
ISO 9806:2017(E)

Contents Page
Foreword .viii
Introduction .ix
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols . 2
5 General . 5
5.1 Test overview — Sequence of the tests . 5
5.2 Testing of collectors with specific attributes . 6
5.2.1 General. 6
5.2.2 Collectors using external power sources and collectors with active or
passive measures for normal operation and self-protection . 6
5.2.3 Collectors co-generating thermal and electrical power . 7
5.2.4 Wind and/or infrared sensitive collectors (WISC) . 7
5.2.5 Façade collectors. 7
5.2.6 Air and liquid heating collectors . 8
6 Internal pressure tests for fluid channels . 8
6.1 Objective . 8
6.2 Fluid channels made of non-polymeric materials . 8
6.2.1 Apparatus and procedure . 8
6.2.2 Test conditions. 8
6.3 Fluid channels made of polymeric materials . 8
6.3.1 Apparatus and procedure . 8
6.3.2 Test conditions. 9
6.4 Results and reporting . 9
7 Air leakage rate test (air heating collectors only) . 9
7.1 Objective . 9
7.2 Apparatus and procedure . 9
7.3 Test conditions .10
7.4 Results and reporting .10
8 Rupture or collapse test (air heating collectors only) .10
8.1 Objective .10
8.2 Apparatus and procedure .10
8.2.1 General.10
8.2.2 Closed-loop collectors .11
8.2.3 Open to ambient collectors .11
8.3 Results and reporting .11
9 Standard stagnation temperature .11
9.1 Objective .11
9.2 Testing under stagnation conditions .12
9.3 Measurement and extrapolation of standard stagnation temperature .12
9.4 Determining standard stagnation temperature using efficiency parameters .12
9.5 Results and reporting .13
10 Exposure and half-exposure test .13
10.1 Objective .13
10.2 Initial outdoor exposure .13
10.3 Method 1.14
10.4 Method 2.14
10.5 Method 3.14
10.6 Test conditions .14
© ISO 2017 – All rights reserved iii

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SIST EN ISO 9806:2018
ISO 9806:2017(E)

10.7 Results and reporting .15
11 External thermal shock .15
11.1 Objective .15
11.2 Apparatus and procedure .15
11.3 Test conditions .15
11.4 Results and reporting .16
12 Internal thermal shock test (Liquid heating collectors only) .16
12.1 Objective .16
12.2 Apparatus and procedure .16
12.3 Test conditions .16
12.4 Results and reporting .16
13 Rain penetration test .16
13.1 Objective .16
13.2 Apparatus and procedure .16
13.3 Test conditions .17
13.4 Results and reporting .19
14 Freeze resistance test .19
14.1 Objective .19
14.2 Freeze resistant collectors .19
14.2.1 General.19
14.2.2 Test conditions.19
14.3 Heatpipe collectors.19
14.3.1 General.19
14.3.2 Test conditions.20
14.3.3 Results and reporting .20
15 Mechanical load test with positive or negative pressure .20
15.1 Objective .20
15.2 Apparatus and procedure .20
15.2.1 Mounting .20
15.2.2 Methods for the application of the loads .21
15.2.3 Particular specifications for tracking collectors or other specific collector types 22
15.3 Test conditions .22
15.4 Results and reporting .22
16 Impact resistance test .22
16.1 Objective .22
16.2 Test procedure .22
16.3 Impact location .22
16.4 Method 1: Impact resistance test using ice balls .23
16.4.1 Apparatus .23
16.4.2 Ice balls .23
16.4.3 Specific aspects of the test procedure using ice balls .23
16.5 Method 2: Impact resistance test using steel balls .23
16.6 Results and reporting .24
17 Final inspection .24
17.1 Objective .24
17.2 Test procedure .24
17.3 Results and reporting .25
18 Test report .25
19 Thermal performance testing .25
19.1 General .25
19.2 Performance test using a solar irradiance simulator.25
19.2.1 General.25
19.2.2 Solar irradiance simulator for performance testing .25
19.2.3 Solar irradiance simulator for the measurement of incidence angle modifiers .26
iv © ISO 2017 – All rights reserved

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ISO 9806:2017(E)

20 Collector mounting and location .27
20.1 General .27
20.2 Collector orientation outdoors.27
20.3 Shading from direct solar irradiance .27
20.4 Diffuse and reflected solar irradiance .27
20.5 Thermal irradiance .28
20.6 Surrounding air speed .28
21 Instrumentation .28
21.1 Solar radiation measurement.28
21.1.1 Pyranometer .28
21.2 Thermal radiation measurement .29
21.2.1 General.29
21.2.2 Measurement of thermal irradiance outdoors .29
21.2.3 Measurement of thermal irradiance indoors .29
21.3 Temperature measurements .29
21.3.1 General.29
21.3.2 Heat transfer fluid temperatures (Liquid heating collectors) .29
21.3.3 Volume flow weighted mean temperature ϑ (Air heating collectors) .30
m,th
21.3.4 Measurement of ambient air temperature .30
21.4 Flow rate measurement .31
21.4.1 Measurement of mass flow rate (liquid) .31
21.4.2 Measurement of collector fluid flow rate (Air heating collectors) .31
21.5 Measurement of air speed over the collector .31
21.5.1 General.31
21.5.2 Required accuracy .32
21.6 Elapsed time measurement .32
21.7 Humidity measurement (Air collectors) . .
...

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