Thermal solar systems and components - Custom built systems - Part 2: Test methods for solar water heaters and combisystems

This Technical Specification applies to small and large custom built solar heating systems with liquid heat transfer medium for residential buildings and similar applications, and gives test methods for verification of the requirements specified in CEN/TS 12977 1.
This document also includes a method for thermal performance characterization and system performance prediction of small custom built systems by means of component testing and system simulation.
Furthermore, this document contains methods for thermal performance characterization and system performance prediction of large custom built systems.
This document applies to the following types of small custom built solar heating systems:
-   systems for domestic hot water preparation only;
-   systems for space heating only;
-   systems for domestic hot water preparation and space heating;
-   others (e.g. including cooling).
This document applies to large custom built solar heating systems, primarily to solar preheat systems, with one or more storage vessels, heat exchangers, piping and automatic controls and with collector array(s) with forced circulation of fluid in the collector loop.
This document does not apply to:
-   systems with a store medium other than water (e.g. phase change materials);
-   thermosiphon systems;
-   integral collector storage (ICS) systems.

Thermische Solaranlagen und ihre Bauteile - Kundenspezifisch gefertigte Anlagen - Teil 2: Prüfverfahren für Solaranlagen zur Trinkwassererwärmung und solare Kombianlagen

Diese Technische Spezifikation gilt für kleine und große kundenspezifisch gefertigte thermische Solaranlagen mit flüssigem Wärmeträgermedium, die für den Einsatz in Wohnbauten und ähnliche Anwendungsfälle vorge¬sehen sind, und gibt Prüfverfahren für die Verifizierung der Erfüllung der in CEN/TS TS 12977 1 festgelegten Anforderungen an.
Dieses Dokument enthält auch ein Verfahren für die Charakterisierung der Wärmeleistung und die Voraus-sage der zu erwartenden Anlagenleistung kleiner kundenspezifisch gefertigter Anlagen durch Bauteilprüfung und Anlagensimulation.
Darüber hinaus enthält dieses Dokument Verfahren für die Charakterisierung der Wärmeleistung und die Vor¬aussage der zu erwartenden Anlagenleistung großer kundenspezifisch gefertigter Anlagen.
Dieses Dokument gilt für die folgenden Typen kleiner kundenspezifisch gefertigter thermischer Solaranlagen:
-   ausschließlich für die häusliche Warmwasserbereitung verwendete Anlagen;
-   ausschließlich für die Raumheizung verwendete Anlagen;
-   für häusliche Warmwasserbereitung und Raumheizung verwendete Anlagen;
-   sonstige Anlagen (z. B. einschließlich Kühlung).
Dieses Dokument gilt für große kundenspezifisch gefertigte thermische Solaranlagen, hauptsächlich für solare Vorwärmanlagen mit einem oder mehreren Speichern, Wärmetauschern, Rohrleitungen und automatischen Reglern und einer oder mehreren Kollektorgruppen mit erzwungener Umwälzung des Fluids im Kollektorkreis¬lauf.
Dieses Dokument gilt nicht für:
-   Anlagen, die ein anderes Speichermedium als Wasser verwenden (z. B. Material für Phasenumwand-lung);
-   Thermosiphon Anlagen;
integrierte Kollektor Speicher (ICS )Anlagen.

Installations solaires thermiques et leurs composants - Installations personnalisées - Partie 2: Méthodes d'essai pour chauffe-eau solaires et installations mixtes

La présente spécification technique s’applique aux petites et grandes installations de chauffage solaire
personnalisées, à liquide caloporteur, utilisées dans les bâtiments résidentiels et applications similaires, et il
présente des méthodes d’essai permettant de vérifier les exigences spécifiées dans la CEN/TS 12977-1.
Le présent document comprend également une méthode pour la caractérisation des performances
thermiques et la prévision des performances des petites installations personnalisées à l’aide d’essais des
composants et de simulation de l’installation.
Par ailleurs, le présent document contient des méthodes pour la caractérisation des performances thermiques
et la prévision des performances des grandes installations personnalisées.
Le présent document s’applique aux types suivants de petites installations de chauffage solaire
personnalisées :
- installations pour la production d’eau chaude sanitaire exclusivement ;
- installations pour le chauffage des locaux uniquement ;
- installations pour la production d’eau chaude sanitaire et le chauffage des locaux ;
- autres (par exemple, y compris le refroidissement).
Le présent document s’applique aux grandes installations de chauffage solaire personnalisées,
principalement aux installations à préchauffage, munies d’une ou de plusieurs cuves de stockage, échangeurs
de chaleur, canalisations et dispositifs de régulation automatique, et d’un ou de plusieurs champs de capteurs
à circulation forcée de fluide dans la boucle de captage.
Le présent document ne s’applique pas aux :
- installations ayant un autre milieu de stockage que l’eau (par exemple, matériaux à changement de
phase) ;
- installations à thermosiphon ;
- installations à capteurs autostockeurs (ICS).

Toplotni sončni sistemi in sestavni deli - Neserijsko izdelani sistemi - 2. del: Preskusne metode za sončne grelnike vode in kombinirane sisteme

Ta tehnična specifikacija se uporablja za majhne in velike neserijsko izdelane solarne sisteme ogrevanja s tekočim medijem za prenos toplote v stanovanjskih zgradbah in za podobno uporabo, in podaja preskusne metode za preverjanje zahtev opredeljenih v CEN/TS 12977-1. Ta dokument tudi zajema metodo za označitev toplotne učinkovitosti in napoved delovanja sistema za majhne neserijsko izdelane sisteme s preskušanjem sestavnih delov in simulacijo sistema. Nadalje, ta dokument vsebuje metode za označitev toplotne učinkovitosti in napoved delovanja sistema za velike neserijsko izdelane sisteme.
Ta dokument se uporablja za naslednje vrste majhnih neserijsko izdelanih solarnih sistemov za ogrevanje:
- sistemi izključno za domačo pripravo vroče vode;
- sistemi izključno za ogrevanje prostora;
- sistemi za domačo pripravo vroče vode in ogrevanje prostora;
- drugi (npr. vključno s hlajenjem).
Ta dokument se uporablja za velike neserijsko izdelane solarne sisteme ogrevanja, predvsem za solarne sisteme predgrevanja, z eno ali več posodami za shranjevanje, toplotnimi izmenjevalniki, cevmi in avtomatskim krmiljenjem ter s skupino kolektorjev z vsiljenim kroženjem tekočine v kolektorski zanki. Ta dokument se ne nanaša na:
- sisteme z drugimi mediji shranjevanja kot voda (npr. materiali, ki spreminjajo agregatno stanje – PCM);
termosifonske sisteme;
- integralne sisteme kolektorjev in shranjevanja (ICS).

General Information

Status
Withdrawn
Publication Date
06-Apr-2010
Withdrawal Date
03-Apr-2012
Current Stage
9960 - Withdrawal effective - Withdrawal
Start Date
04-Apr-2012
Completion Date
04-Apr-2012

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Standards Content (Sample)


SLOVENSKI STANDARD
01-september-2010
1DGRPHãþD
SIST ENV 12977-2:2002
7RSORWQLVRQþQLVLVWHPLLQVHVWDYQLGHOL1HVHULMVNRL]GHODQLVLVWHPLGHO
3UHVNXVQHPHWRGH]DVRQþQHJUHOQLNHYRGHLQNRPELQLUDQHVLVWHPH
Thermal solar systems and components - Custom built systems - Part 2: Test methods
for solar water heaters and combisystems
Thermische Solaranlagen und ihre Bauteile - Kundenspezifisch gefertigte Anlagen - Teil
2: Prüfverfahren
Installations solaires thermiques et leurs composants - Installations personnalisées -
Partie 2: Méthodes d'essai pour chauffe-eau solaires et installations mixtes
Ta slovenski standard je istoveten z: CEN/TS 12977-2:2010
ICS:
27.160 6RQþQDHQHUJLMD Solar energy engineering
91.140.10 Sistemi centralnega Central heating systems
ogrevanja
91.140.65 Oprema za ogrevanje vode Water heating equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

TECHNICAL SPECIFICATION
CEN/TS 12977-2
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
April 2010
ICS 27.160 Supersedes ENV 12977-2:2001
English Version
Thermal solar systems and components - Custom built systems
- Part 2: Test methods for solar water heaters and
combisystems
Installations solaires thermiques et leurs composants - Thermische Solaranlagen und ihre Bauteile -
Installations personnalisées - Partie 2: Méthodes d'essai Kundenspezifisch gefertigte Anlagen - Teil 2: Prüfverfahren
pour chauffe-eau solaires et installations mixtes für Solaranlagen zur Trinkwassererwärmung und solare
Kombianlagen
This Technical Specification (CEN/TS) was approved by CEN on 9 September 2008 for provisional application.

The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to submit their
comments, particularly on the question whether the CEN/TS can be converted into a European Standard.

CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS available
promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in parallel to the CEN/TS)
until the final decision about the possible conversion of the CEN/TS into an EN is reached.

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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2010 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TS 12977-2:2010: E
worldwide for CEN national Members.

Contents Page
Foreword .5
Introduction .6
1 Scope .9
2 Normative references .9
3 Terms and definitions . 10
4 Symbols and abbreviations . 10
5 System classification . 12
6 Test methods . 12
6.1 General . 12
6.1.1 Suitability for drinking water . 12
6.1.2 Water contamination . 12
6.1.3 Freeze resistance . 13
6.1.4 High-temperature protection . 13
6.1.5 Reverse circulation prevention . 13
6.1.6 Pressure resistance . 13
6.1.7 Electrical safety. 13
6.2 Materials . 13
6.3 Components and pipework . 13
6.3.1 Collector and collector array . 13
6.3.2 Supporting frame . 14
6.3.3 Collector and other loops . 14
6.3.4 Circulation pump . 14
6.3.5 Expansion vessels . 14
6.3.6 Heat exchangers . 14
6.3.7 Store . 15
6.3.8 Pipework . 15
6.3.9 Thermal insulation . 15
6.3.10 Control equipment . 15
6.4 Safety equipment and indicators . 15
6.4.1 Safety valves . 15
6.4.2 Safety lines and expansion lines . 16
6.4.3 Blow-off lines . 16
6.4.4 Store shut-off valve . 16
6.4.5 Indicators . 16
6.5 Installation . 16
6.5.1 Roof tightness . 16
6.5.2 Lightning . 16
6.5.3 Snow and wind loads . 17
6.6 Initial operation, inspection and commissioning . 17
6.7 Documentation . 17
6.8 System performance (for small systems only) . 17
6.9 Water wastage (for small systems only) . 17
7 Optional performance test of small custom built solar heating systems . 17
7.1 General . 17
7.2 Test of the solar collector . 18
7.3 Test of the water store(s) . 18
7.4 Test of the control equipment . 19
7.5 Determination of the hot water comfort . 19
7.6 System simulation model . 19
7.7 Long-term performance prediction . 19
7.7.1 General . 19
7.7.2 Calculation procedure . 19
7.7.3 Prediction of yearly system performance indicators . 20
7.7.4 Calculation of the net auxiliary energy demand and fractional energy savings for
solar-plus-supplementary systems . 20
7.7.5 Calculation of the solar fraction for solar-only and preheat systems . 23
7.7.6 Calculation of the parasitic energy (for all system types) . 25
7.8 Presentation of performance indicators . 25
8 Performance test report . 26
Annex A (normative) Reference conditions for performance prediction . 28
A.1 General . 28
A.2 Pipe diameter and insulation thickness . 30
A.3 Calculation of mains water temperature at reference location . 30
A.4 Space heating heat load . 31
A.4.1 General . 31
A.4.2 Stockholm . 31
A.4.3 Davos . 32
A.4.4 Würzburg . 33
A.4.5 Athens . 35
Annex B (normative) Additional information regarding the calculation of the fractional energy
savings . 37
B.1 Definition of a conventional reference water heating system . 37
B.2 Calculation of fractional energy savings for other conditions . 37
Annex C (informative) Short-term system testing . 39
C.1 General . 39
C.2 Instrumentation, data acquisition and processing . 39
C.2.1 General . 39
C.2.2 Accuracy and calibration of sensors .
...


SLOVENSKI STANDARD
kSIST-TS prCEN/TS 12977-2:2008
01-julij-2008
7RSORWQLVRQþQLVLVWHPLLQVHVWDYQLGHOL1HVHULMVNRL]GHODQLVLVWHPLGHO
3UHVNXVQHPHWRGH]DVRQþQHJUHOQLNHYRGHLQNRPELQLUDQHVLVWHPH
Thermal solar systems and components - Custom built systems - Part 2: Test methods
for solar water heaters and combisystems
Thermische Solaranlagen und ihre Bauteile - Kundenspezifisch gefertigte Anlagen - Teil
2: Prüfverfahren
Installations solaires thermiques et leurs composants - Installations personnalisées -
Partie 2: Méthodes d'essai pour chauffe-eau solaires et installations mixtes
Ta slovenski standard je istoveten z: prCEN/TS 12977-2
ICS:
27.160 6RQþQDHQHUJLMD Solar energy engineering
kSIST-TS prCEN/TS 12977-2:2008 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

TECHNICAL SPECIFICATION
FINAL DRAFT
prCEN/TS 12977-2
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
May 2008
ICS 27.160 Will supersede ENV 12977-2:2001
English Version
Thermal solar systems and components - Custom built systems
- Part 2: Test methods for solar water heaters and
combisystems
Installations solaires thermiques et leurs composants - Thermische Solaranlagen und ihre Bauteile -
Installations personnalisées - Partie 2: Méthodes d'essai Kundenspezifisch gefertigte Anlagen - Teil 2: Prüfverfahren
pour chauffe-eau solaires et installations mixtes
This draft Technical Specification is submitted to CEN members for Technical Committee Approval. It has been drawn up by the Technical
Committee CEN/TC 312.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, 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, Switzerland and United Kingdom.
: This document is not a Technical Specification. It is distributed for review and comments. It is subject to change without notice
Warning
and shall not be referred to as a Technical Specification.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2008 CEN All rights of exploitation in any form and by any means reserved Ref. No. prCEN/TS 12977-2:2008: E
worldwide for CEN national Members.

prCEN/TS 12977-2:2008 (E)
Contents Page
Foreword.4
Introduction .4
1 Scope.7
2 Normative references.7
3 Terms and definitions .8
4 Symbols and abbreviations .9
5 System classification.10
6 Test methods.10
6.1 General.11
6.1.1 Suitability for drinking water .11
6.1.2 Water contamination.11
6.1.3 Freeze resistance.11
6.1.4 High-temperature protection.11
6.1.5 Reverse circulation prevention.11
6.1.6 Pressure resistance.11
6.1.7 Electrical safety.11
6.2 Materials.12
6.3 Components and pipework.12
6.3.1 Collector and collector array.12
6.3.2 Supporting frame.12
6.3.3 Collector and other loops .12
6.3.4 Circulation pump.12
6.3.5 Expansion vessels.12
6.3.6 Heat exchangers.12
6.3.7 Store.13
6.3.8 Pipework.13
6.3.9 Thermal insulation.13
6.3.10 Control equipment.13
6.4 Safety equipment and indicators .13
6.4.1 Safety valves.13
6.4.2 Safety lines and expansion lines .14
6.4.3 Blow-off lines.14
6.4.4 Store shut-off valve.14
6.4.5 Indicators.14
6.5 Installation.14
6.5.1 Roof tightness.14
6.5.2 Lightning.14
6.5.3 Snow and wind loads .15
6.6 Initial operation, inspection and commissioning.15
6.7 Documentation.15
6.8 System performance (for small systems only).15
6.9 Water wastage (for small systems only) .15
7 Optional performance test of small custom built solar heating systems.15
7.1 Test of the solar collector .16
7.2 Test of the water store(s) .16
7.3 Test of the control equipment .17
7.4 Determination of the hot water comfort .17
7.5 System simulation model .17
7.6 Long-term performance prediction.17
prCEN/TS 12977-2:2008 (E)
7.6.1 Calculation procedure.17
7.6.2 Prediction of yearly system performance indicators .18
7.6.3 Calculation of the net auxiliary energy demand and fractional energy savings for
solar-plus-supplementary systems .18
7.6.4 Calculation of the solar fraction for solar-only and preheat systems .22
7.6.5 Calculation of the parasitic energy (for all system types) .24
7.7 Presentation of performance indicators .24
8 Performance test report.26
Annex A (normative) Reference conditions for performance prediction.27
A.1 General.27
A.2 Pipe diameter and insulation thickness.29
A.3 Calculation of mains water temperature at reference location.29
A.4 Space heating heat load .30
A.4.1 Stockholm.30
A.4.2 Davos.31
A.4.3 Würzburg.32
A.4.4 Athens.34
Annex B (normative) Additional information regarding the calculation of the fractional energy
savings .36
B.1 Definition of a conventional reference water heating system .36
B.2 Calculation of fractional energy savings for other conditions.36
Annex C (informative) Short-term system testing .38
C.1 General.38
C.2 Instrumentation, data acquisition and processing .38
C.2.1 General.38
C.2.2 Accuracy and calibration of sensors .40
C.2.3 Data acquisition and processing .40
C.3 Check of short-term system performance.40
C.3.1 Principle.40
C.3.2 Measurement of the system energy gain.41
C.3.3 Criteria for termination of the test .42
C.3.4 Simulation of the system useful energy gain using components data .42
C.3.5 Comparison of measured with simulated data .42
C.3.6 Test report.43
C.4 Short-term test for long-term system performance prediction .43
C.
...

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