EN 12976-2:2019

Thermal solar systems and components - Factory made systems - Part 2: Test methods

This document specifies test methods for validating the requirements for Factory Made Thermal Solar Heating Systems as specified in EN 12976-1. The document also includes two test methods for thermal performance characterization by means of whole system testing.

Thermische Solaranlagen und ihre Bauteile - Vorgefertigte Anlagen - Teil 2: Prüfverfahren

Dieses Dokument legt Verfahren für die Prüfung der Erfüllung der Anforderungen für vorgefertigte thermische Solaranlagen fest, wie sie in EN 12976 1 angegeben sind. Dieses Dokument enthält auch zwei Prüfverfahren zur Charakterisierung der thermischen Leistungsfähigkeit durch Prüfung der Gesamtanlage.

Installations solaires thermiques et leurs composants - Installations préfabriquées en usine - Partie 2 : Méthodes d'essai

Le présent document spécifie des méthodes d’essai permettant de valider les exigences applicables aux installations de chauffage solaire thermique préfabriquées en usine, telles que spécifiées dans le EN 12976-1. Le document comprend également deux méthodes d’essai pour la caractérisation des performances thermiques de l’installation dans son ensemble.

Toplotni sončni sistemi in sestavni deli - Industrijsko izdelani sistemi - 2. del: Preskusne metode

Ta evropski standard določa preskusne metode za preverjanje zahtev za industrijsko izdelane sončne ogrevalne sisteme, kot je določeno v standardu EN 12976-1. Standard vključuje tudi dve preskusni metodi za opredelitev toplotne učinkovitosti s pomočjo preskušanja sistema.

General Information

• Status: Published
• Publication Date: 26-Mar-2019
• Withdrawal Date: 29-Sep-2019
• ICS: 27.160 - Solar energy engineering
• Technical Committee: CEN/TC 312 - Thermal solar systems and components
• Drafting Committee: CEN/TC 312 - Thermal solar systems and components
• Current Stage: 9020 - Submission to 2 Year Review Enquiry - Review Enquiry
• Start Date: 15-Apr-2024
• Completion Date: 15-Apr-2024
• Directive: 811/2013 - Commission Delegated Regulation (EU) No 811/2013 of 18 February 2013 supplementing Directive 2010/30/EU of the European Parliament and of the Council with regard to the energy labelling of space heaters, combination heaters, packages of space heater, temperature control and solar device and packages of combination heater, temperature control and solar device
• Directive: 812/2013 - Commission Delegated Regulation (EU) No 812/2013 of 18 February 2013 supplementing Directive 2010/30/EU of the European Parliament and of the Council with regard to the energy labelling of water heaters, hot water storage tanks and packages of water heater and solar device
• Directive: 814/2013 - Commission Regulation (EU) No 814/2013 of 2 August 2013 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign requirements for water heaters and hot water storage tanks
• Mandate: M/534 - [C(2015)2625] Standardisation request to the European standardisation organisations pursuant to Article 10(1) of Regulation (EU) No 1025/2012 of the European Parliament and of the Council in support of implementation of Commission Regulation (EU) No 814/2013 of 2 August 2013 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign requirements for water heaters and hot water storage tanks and Commission Delegated Regulation (EU) No 812/2013 of 18 February 2013 supplementing Directive 2010/30/EU of the European Parliament and of the Council with regard to the energy labelling of water heaters, hot water storage tanks and packages of water heater and solar device
• Mandate: M/535 - [C(2016)2626) Standardisation request to the European standardisation organisations to draft harmonised European standards pursuant to Article 10(1) of Regulation (EU) No 1025/2012 of the European Parliament and of the Council in support of implementation of Commission Regulation (EU) No 813/2013 of 2 August 2013 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to eco-design requirements for space heaters and combination heaters and Commission Delegated Regulation (EU) No 811/2013 of 18 February 2013 supplementing Directive 2010/30/EU of the European Parliament and of the Council with regard to the energy labelling of space heaters, combination heaters, packages of space heaters, temperature control and solar device and packages of combination heater, temperature control and solar device
• Ref Project: SIST EN 12976-2:2019 - Thermal solar systems and components - Factory made systems - Part 2: Test methods

Relations

• Replaces: EN 12976-2:2017 - Thermal solar systems and components - Factory made systems - Part 2: Test methods
• Effective Date: 08-Jun-2022

Standards Content (Sample)

SLOVENSKI STANDARD
01-julij-2019
Nadomešča:
SIST EN 12976-2:2017
Toplotni sončni sistemi in sestavni deli - Industrijsko izdelani sistemi - 2. del:
Preskusne metode
Thermal solar systems and components - Factory made systems - Part 2: Test methods
Thermische Solaranlagen und ihre Bauteile - Vorgefertigte Anlagen - Teil 2:
Prüfverfahren
Installations solaires thermiques et leurs composants - Installations préfabriquées en
usine - Partie 2 : Méthodes d'essai
Ta slovenski standard je istoveten z: EN 12976-2:2019
ICS:
27.160 Sončna energija Solar energy engineering
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 12976-2
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2019
EUROPÄISCHE NORM
ICS 27.160 Supersedes EN 12976-2:2017
English Version
Thermal solar systems and components - Factory made
systems - Part 2: Test methods
Installations solaires thermiques et leurs composants - Thermische Solaranlagen und ihre Bauteile -
Installations préfabriquées en usine - Partie 2 : Vorgefertigte Anlagen - Teil 2: Prüfverfahren
Méthodes d'essai
This European Standard was approved by CEN on 30 December 2018.

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: Rue de la Science 23, B-1040 Brussels
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12976-2:2019 E
worldwide for CEN national Members.

EN 12976-2 2019 (E)
Contents Page
European foreword . 4
Introduction . 6
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 8
4 Symbols and abbreviations . 9
5 Testing . 9
5.1 Freeze resistance . 9
5.1.1 General . 9
5.1.2 Systems using antifreeze fluid . 9
5.1.3 Drain-back systems . 10
5.1.4 Drain-down systems . 10
5.1.5 Freeze protection and combined control functions . 10
5.1.6 Other systems . 11
5.2 Over temperature protection . 11
5.2.1 Purpose . 11
5.2.2 Apparatus . 11
5.2.3 Procedure. 11
5.2.4 Reporting requirements . 12
5.3 Pressure resistance . 12
5.3.1 Purpose . 12
5.3.2 Apparatus . 12
5.3.3 Safety precaution . 13
5.3.4 Procedure. 13
5.3.5 Reporting requirements . 14
5.4 Water contamination . 14
5.5 Testing the resistance against mechanical load . 15
5.5.1 Purpose . 15
5.5.2 Apparatus . 15
5.5.3 Safety precaution . 16
5.5.4 Calculation procedure for the mechanical load . 16
5.5.5 Procedure. 18
5.5.6 Reporting requirements . 18
5.6 Lightning protection . 19
5.7 Safety equipment. 19
5.7.1 Safety valves . 19
5.7.2 Safety lines and expansion lines . 20
5.7.3 Blow-off lines . 20
5.8 Labelling . 20
5.9 Thermal performance characterization . 21
5.9.1 Introduction . 21
5.9.2 Test procedure . 21
5.9.3 Prediction of yearly performance indicators . 22
5.10 Ability of solar-plus-supplementary systems to cover the load . 29
5.10.1 General . 29
5.10.2 Boundary conditions for auxiliary heating . 30
5.10.3 Boundary conditions for daily load . 30
5.10.4 Determination of the ability to cover the maximum daily load by means of testing
the system. 31
5.10.5 Determination of the ability to cover the maximum daily load by means of numerical
simulations. 31
5.10.6 Determination of the ability to cover the daily load defined by the European load
profiles by means of numerical simulations . 31
5.10.7 Requirements for mixed water at 40 °C . 32
5.11 Reverse flow protection . 33
5.12 Electrical safety . 33
Annex A (normative) Thermal performance presentation sheet. 34
Annex B (normative) Reference conditions for performance prediction . 36
Annex C (informative) Assessment of the ability of solar DHW systems to resist the extreme
climatic conditions . 45
Annex D (informative) Ageing test for thermostatic valves . 54
Annex E (informative) Lightning protection test for solar heating systems . 57
Annex F (informative) Lightning Protection testing sheet . 60
Annex G (normative) Reporting format in the framework of the EU Regulations CDR 811,
812 and 814 dated 2013 . 64
Annex ZA (informative) Relationship between this European Standard and the energy
labelling requirements of Commission Delegated Regulation (EU) No 811/2013
aimed to be covered . 65
Annex ZB (informative) Relationship between this European Standard and the energy
labelling requirements of Commission Delegated Regulation (EU) No 812/2013
aimed to be covered . 67
Annex ZC (informative) Relationship between this European Standard and the ecodesign
requirements of Commission Regulation (EU) No 814/2013 aimed to be covered . 70
Bibliography . 72
EN 12976-2 2019 (E)
European foreword
This document (EN 12976-2:2019) has been prepared by 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 September 2019, and conflicting national standards
shall be withdrawn at the latest by September 2019.
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 12976-2:2017.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Directive(s).
For relationship wi
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