SIST EN 15316-4-3:2018

Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 4-3: Heat generation systems, thermal solar and photovoltaic systems, Module M3-8-3, M8-8-3, M11-8-3

The standard (prEN 15316-4-3) specifies  the:
-   required inputs;
-   calculation method;
-   required and resulting outputs,
for heat generation systems, thermal solar systems ( for space heating, domestic hot water production and the combination of both) and for photovoltaic systems applied in buildings.
Within this standard 6 methods are specified each method has its own range of applicability.
-   Method 1,
is applicable for solar domestic hot water systems characterized by EN 12976 (factory made) or EN 12977 2 (custom built).
The main output of the method is the solar heat and back up heat contribution to the requested heat use.
-   Method 2,
is applicable for systems for domestic hot water and / or space heating with components characterized by EN 12975-2 and EN12977-3 or EN12977-4 with a monthly calculation time step.
The main output of the method is the solar heat and back up heat contribution to the requested heat use.
-   Method 3,
is applicable for systems for domestic hot water and / or space heating with components characterized by EN 12975-2 with an hourly calculation time step.
The main output of the method is collector loop heat supplied to the heat storage.
-   Method 4,
is applicable for photovoltaic systems with components characterized by standards and with an annual calculation time step.
The output of the method is the produced electricity.
-   Method 5,
is applicable for photovoltaic systems with components characterized by standards and with a monthly calculation time step.
The output of the method is the produced electricity.
-   Method 6,
is applicable for photovoltaic systems with components characterized by standards and with a calculation time step.
The output of the method is the produced electricity.
These three last calculation methods do not take into account:
-   electrical storage;
-   PV/thermal photovoltaic systems.
Primary energy savings and CO2 savings, which can be achieved by photovoltaic systems compared to other systems, are calculated according to prEN 15603.
NOTE   Standards linked to the methods are listed in Annex C.

Energetische Bewertung von Gebäuden - Verfahren zur Berechnung der Energieanforderungen und Nutzungsgrade der Anlagen - Teil 4-3: Wärmeerzeugungssysteme, thermische Solaranlagen und Photovoltaikanlagen, Modul M3-8-3, M8-8-3, M11-8-3

Diese Norm (prEN 15316 4 3) legt Folgendes fest:
-   erforderliche Energieaufnahmen;
-   Berechnungsverfahren;
-   erforderliche und resultierende Abgaben bzw. Leistungen und Ausgänge
der Wärmeerzeugungssysteme, thermischen Solaranlagen (für Raumheizung, Trinkwarmwasserbereitung und deren Kombination) und für Photovoltaikanlagen, die in Gebäuden eingesetzt werden.
In dieser Norm werden 6 Verfahren festgelegt, die jeweils ihren eigenen Anwendungsbereich haben.
-   Verfahren 1
gilt für solar betriebene Trinkwarmwasserbereiter nach EN 12976 (vorgefertigt) oder EN 12977 2 (kundenspezifisch gefertigt).
Ergebnis dieses Verfahrens sind in erster Linie die Beiträge von Solarwärme und Zusatzwärme zur Deckung des anfallenden Wärmebedarfs.
-   Verfahren 2
gilt für Systeme für die Trinkwarmwasserbereitung und/oder die Raumheizung mit Bauteilen nach EN 12975 2 und EN 12977 3 oder EN 12977 4 mit einem monatlichen Berechnungszeitschritt.
Ergebnis dieses Verfahrens sind in erster Linie die Beiträge von Solarwärme und Zusatzwärme zur Deckung des anfallenden Wärmebedarfs.
-   Verfahren 3
gilt für Systeme für Trinkwarmwasserbereitung und/oder Raumheizung mit von Bauteilen nach EN 12975 2 mit einem stündlichen Berechnungszeitschritt.
Ergebnis dieses Verfahrens ist in erster Linie die dem Wärmespeicher aus dem Kollektorkreislauf zugeführte Wärme.
-   Verfahren 4
gilt für Photovoltaikanlagen mit in Normen beschriebenen Bauteilen und einem jährlichen Berechnungs-zeitschritt.
Das Ergebnis dieses Verfahrens ist die erzeugte Elektrizität.
-   Verfahren 5
gilt für Photovoltaikanlagen mit in Normen beschriebenen Bauteilen und einem monatlichen Berech-nungszeitschritt.
Das Ergebnis dieses Verfahrens ist die erzeugte Elektrizität.
-   Verfahren 6
gilt für Photovoltaikanlagen mit in Normen beschriebenen Bauteilen und einem Berechnungszeitschritt.
Das Ergebnis dieses Verfahrens ist die erzeugte Elektrizität.
Diese letzten drei Berechnungsverfahren lassen Folgendes unberücksichtigt:
-   Elektrizitätsspeicherung;
-   Photovoltaikanlagen, thermische Solaranlagen.
Primärenergie- und CO2-Einsparungen, die durch Photovoltaikanlagen im Vergleich zu anderen Systemen erreicht werden können, werden nach prEN 15603 berechnet.
ANMERKUNG   Die Normen, in denen die einzelnen Verfahren behandelt werden, sind in Anhang C aufgeführt.

Performance énergétique des bâtiments - Méthode de calcul des besoins énergétiques et des rendements des systèmes - Partie 4-3 : Systèmes de génération de chaleur, systèmes solaires thermiques et systèmes photovoltaïques, Module M3-8-3, M8-8-3, M11-8-3

La norme (prEN 15316-4-3) spécifie :
-   les données d’entrée requises ;
-   la méthode de calcul ;
-   les données de sortie requises et obtenues,
nécessaires pour les systèmes de génération de chaleur, les systèmes solaires thermiques (pour le chauffage des locaux, la production d’eau chaude sanitaire ou la combinaison des deux) et pour les systèmes photovoltaïques appliqués dans les bâtiments.
Dans la présente norme, 6 méthodes sont spécifiées, chacune ayant sa propre plage d’application.
-   Méthode 1
Applicable aux systèmes solaires de production d’eau chaude sanitaire spécifiés dans l’EN 12976 (préfabriqués en usine) ou dans l’EN 12977 2 (construits sur mesure).
La principale sortie de la méthode est la contribution de l’énergie solaire et du chauffage d’appoint aux besoins de chaleur requis.
-   Méthode 2
Applicable aux systèmes de production d’eau chaude sanitaire et/ou de chauffage des locaux avec les composants spécifiés dans l’EN 12975-2 et l’EN12977-3 ou l’EN12977-4, avec un pas de temps de calcul mensuel.
La principale sortie de la méthode est la contribution de l’énergie solaire et du chauffage d’appoint aux besoins de chaleur requis.
-   Méthode 3
Applicable aux systèmes de production d’eau chaude sanitaire et/ou de chauffage des locaux avec les composants spécifiés dans l’EN 12975-2, avec un pas de temps de calcul horaire.
La principale sortie de la méthode est la chaleur de la boucle de captage fournie au réservoir de stockage.
-   Méthode 4
Applicable aux systèmes photovoltaïques avec les composants spécifiés dans les normes et avec un pas de temps de calcul annuel.
La sortie de la méthode est l’électricité produite.
-   Méthode 5
Applicable aux systèmes photovoltaïques avec les composants spécifiés dans les normes et avec un pas de temps de calcul mensuel.
La sortie de la méthode est l’électricité produite.
-   Méthode 6
Applicable aux systèmes photovoltaïques avec les composants spécifiés dans les normes et avec un pas de temps de calcul horaire.
La sortie de la méthode est l’électricité produite.
Ces trois dernières méthodes de calcul ne prennent pas en compte :
-   le stockage d’énergie électrique ;
-   les systèmes photovoltaïques/photovoltaïques thermiques.
Les économies d’énergie primaire et la réduction des émissions de CO2 que permettent les systèmes photovoltaïques par rapport aux autres systèmes sont calculées conformément à la norme prEN 15603.
NOTE   Les normes liées aux méthodes sont listées dans l’Annexe C.

Energijske lastnosti stavb - Metoda za izračun energijskih zahtev in učinkovitosti sistema - 4-3. del: Sistemi za pridobivanje toplote za ogrevanje, solarni toplotni in fotonapetostni sistemi - Moduli M3-8-3, M8-8-3 in M11-8-3

Standard (prEN 15316-4-3) določa:
– zahtevane vhode;
– računsko metodo;
– zahtevane in dejanske izhode,
za sisteme za proizvodnjo toplote, termalne solarne sisteme (za ogrevanje prostora, proizvodnjo gospodinjske tople vode in kombinacijo obeh) ter za fotonapetostne sisteme, uporabljene v stavbah.
V tem standardu je določenih 6 metod, vsaka v svojem obsegu uporabnosti.
– 1. metoda
je namenjena solarnim sistemom gospodinjske tople vode, za katere je značilen standard EN 12976 (tovarniška izdelava) ali EN 12977 2 (izdelava po meri).
Glavni rezultat te metode je sončna toplota in dodatno rezervno ogrevanje poleg zahtevane uporabe toplote.
– 2. metoda
je namenjena sistemom gospodinjske tople vode in/ali ogrevanju prostora s komponentami, za katere je značilen standard EN 12975-2 in EN12977-3 ali EN12977-4 z mesečnim izračunom.
Glavni rezultat te metode je sončna toplota in dodatno rezervno ogrevanje poleg zahtevane uporabe toplote.
– 3. metoda
je namenjena sistemom gospodinjske tople vode in/ali ogrevanju prostora s komponentami, za katere je značilen standard EN 12975-2 z urnim izračunom.
Glavni rezultat te metode je toplota zanke kolektorja, ki se dovaja v zbiralnik toplote.
– 4. metoda
je namenjena fotonapetostnim sistemom s komponentami, za katere so značilni standardi in z letnim izračunom.
Rezultat te metode je proizvedena električna energija.
– 5. metoda
je namenjena fotonapetostnim sistemom s komponentami, za katere so značilni standardi in z mesečnim izračunom.
Rezultat te metode je proizvedena električna energija.

General Information

• Status: Published
• Public Enquiry End Date: 04-Jan-2015
• Publication Date: 18-Apr-2018
• ICS: 27.160 - Solar energy engineering
• ICS: 91.140.10 - Central heating systems
• Technical Committee: OGS - Heating for buildings
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 12-Dec-2017
• Due Date: 16-Feb-2018
• Completion Date: 19-Apr-2018
• Directive: 2010/31/EU - Directive 2010/31/eu of the European Parliament and of the Council of 19 May 2010 on the energy performance of buildings (recast)
• Directive: TRRTP126 - Tehnična smernica TSG-01-004:2010 - Učinkovita raba energije v stavbah
• Mandate: M/480 - Mandate to CEN, CENELEC and ETSI for the elaboration and adoption of standards for a methodology calculating the integrated energy performance of buildings and promoting the energy efficiency of buildings, in accordance with the terms set in the recast of the Directive on the energy performance buildings (2010/31/EU)
• Ref Project: EN 15316-4-3:2017 - Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 4-3: Heat generation systems, thermal solar and photovoltaic systems, Module M3-8-3, M8-8-3, M11-8-3

Relations

• Replaces: SIST EN 15316-4-3:2007 - Heating systems in buildings - Method for calculation of system energy requirements and system efficiencies - Part 4-3: Heat generation systems, thermal solar systems
• Effective Date: 01-May-2018
• Replaces: SIST EN 15316-4-6:2007 - Heating systems in buildings - Method for calculation of system energy requirements and system efficiencies - Part 4-6: Heat generation systems, photovoltaic systems
• Effective Date: 01-May-2018
• Replaces: SIST EN 15316-4-6:2007 - Heating systems in buildings - Method for calculation of system energy requirements and system efficiencies - Part 4-6: Heat generation systems, photovoltaic systems
• Effective Date: 08-Jun-2022

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 15316-4-3:2018
01-maj-2018
1DGRPHãþD
SIST EN 15316-4-3:2007
SIST EN 15316-4-6:2007
(QHUJLMVNHODVWQRVWLVWDYE0HWRGD]DL]UDþXQHQHUJLMVNLK]DKWHYLQXþLQNRYLWRVWL
VLVWHPDGHO6LVWHPL]DSULGRELYDQMHWRSORWH]DRJUHYDQMHVRODUQLWRSORWQLLQ
IRWRQDSHWRVWQLVLVWHPL0RGXOL00LQ0
Energy performance of buildings - Method for calculation of system energy requirements
and system efficiencies - Part 4-3: Heat generation systems, thermal solar and
photovoltaic systems, Module M3-8-3, M8-8-3, M11-8-3
Energetische Bewertung von Gebäuden - Verfahren zur Berechnung der
Energieanforderungen und Nutzungsgrade der Anlagen - Teil 4-3:
Wärmeerzeugungssysteme, thermische Solaranlagen und Photovoltaikanlagen, Modul
M3-8-3, M8-8-3, M11-8-3
Performance énergétique des bâtiments - Méthode de calcul des besoins énergétiques
et des rendements des systèmes - Partie 4-3 : Systèmes de génération de chaleur,
systèmes solaires thermiques et systèmes photovoltaïques, Module M3-8-3, M8-8-3,
M11-8-3
Ta slovenski standard je istoveten z: EN 15316-4-3:2017
ICS:
27.160 6RQþQDHQHUJLMD Solar energy engineering
91.140.10 Sistemi centralnega Central heating systems
ogrevanja
SIST EN 15316-4-3:2018 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 15316-4-3:2018

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SIST EN 15316-4-3:2018


EN 15316-4-3
EUROPEAN STANDARD

NORME EUROPÉENNE

May 2017
EUROPÄISCHE NORM
ICS 27.160; 91.140.10 Supersedes EN 15316-4-3:2007, EN 15316-4-6:2007
English Version

Energy performance of buildings - Method for calculation
of system energy requirements and system efficiencies -
Part 4-3: Heat generation systems, thermal solar and
photovoltaic systems, Module M3-8-3, M8-8-3, M11-8-3
Performance énergétique des bâtiments - Méthode de Energetische Bewertung von Gebäuden - Verfahren zur
calcul des besoins énergétiques et des rendements des Berechnung der Energieanforderungen und
systèmes - Partie 4-3 : Systèmes de génération de Nutzungsgrade der Anlagen - Teil 4-3:
chaleur, systèmes solaires thermiques et systèmes Wärmeerzeugungssysteme, thermische Solaranlagen
photovoltaïques, Module M3-8-3, M8-8-3, M11-8-3 und Photovoltaikanlagen, Modul M3-8-3, M8-8-3, M11-
8-3
This European Standard was approved by CEN on 27 February 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 15316-4-3:2017 E
worldwide for CEN national Members.

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SIST EN 15316-4-3:2018
EN 15316-4-3:2017 (E)
Contents Page
European foreword . 7
Introduction . 8
1 Scope . 11
2 Normative references . 14
3 Terms and definitions . 14
3.1 Thermal solar systems . 14
3.2 Photovoltaic systems . 16
4 Symbols and abbreviations . 16
4.1 Symbols . 16
4.2 Subscripts . 17
5 Description of the methods . 18
5.1 Method 1 – solar thermal applications, using system test data . 18
5.2 Method 2 – monthly solar thermal applications, using component test data . 19
5.3 Method 3 – hourly solar thermal applications . 19
5.4 Method 4 – photovoltaic - yearly method . 19
5.5 Method 5 – photovoltaic - monthly method . 19
5.6 Method 6 – photovoltaic - hourly method . 19
6 Methods . 19
6.1 Solar thermal applications . 19
6.1.1 Method 1 – using system test data . 19
6.1.2 Method 2 – monthly, using component specifications . 24
6.1.3 Method 3 – hourly, using component specifications . 36
6.2 Solar photovoltaic systems . 42
6.2.1 General . 42
6.2.2 Method 4 - photovoltaic – yearly method . 42
6.2.3 Method 5 - photovoltaic – monthly method . 45
6.2.4 Method 6 - photovoltaic – hourly method . 48
7 Quality control . 53
7.1 Solar thermal applications . 53
7.1.1 Method 1 – using system test data . 53
7.1.2 Method 2 – monthly, using component specifications . 53
7.1.3 Method 3 – hourly, using component specifications . 53
7.2 Solar photovoltaic applications . 53
7.2.1 Method 4 – photovoltaic - yearly method . 53
7.2.2 Method 5 – photovoltaic - monthly method . 53
7.2.3 Method 6 – photovoltaic - hourly method . 53
8 Compliance check. 54
8.1 Solar thermal applications . 54
8.1.1 Method 1 – using system test data . 54
8.1.2 Method 2 – monthly, using component specifications . 54
8.1.3 Method 3 – hourly, using component specifications . 54
8.2 Solar photovoltaic applications . 54
8.2.1 Method 4 – photovoltaic - yearly method . 54
2

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EN 15316-4-3:2017 (E)
8.2.2 Method 5 – photovoltaic - monthly method . 54
8.2.3 Method 6 – photovoltaic - hourly method . 54
Annex A (normative) Template for the specification of application data . 55
A.1 Method 1 – using system test data . 55
A.1.1 Product technical data . 55
A.1.2 System design data . 55
A.1.3 Operating conditions . 55
A.2 Method 2 – monthly, using component specifications . 55
A.2.1 Product technical data . 55
A.2.1.1 Collector . 55
A.2.1.2 Collector pump . 56
A.2.1.3 Heat storage . 57
A.2.2 System design data . 58
A.2.2.1 Type of service . 58
A.2.2.2 Location of heat storage tank . 59
A.2.2.3 Type solar system layout . 59
A.2.2.4 Correction factor collector orientation and shadowing . 59
A.2.2.5 Collector loop overall heat loss coefficient . 60
A.2.2.6 Efficiency of the collector loop . 60
A.2.2.7 Collector pump operation time . 61
A.2.2.8 Pipe insulation back up heater loop . 61
A.2.2.9 Back up heater operation . 61
A.2.2.10 Space heating distribution return Heat storage . 62
A.2.2.11 Recoverable part of the heat losses . 62
A.2.2.12 Correlation factors . 62
A.2.2.13 Correction factor . 63
A.2.2.14 Air temperature heated room . 63
A.2.2.15 Domestic hot water temperature . 63
A.2.3 Operating conditions . 64
A.2.3.1 Solar irradiance . 64
A.2.3.2 Cold water and outside air temperature . 64
A.2.3.3 Heat use for water heating . 65
A.2.3.4 Design temperature settings . 65
A.2.3.5 Back-up heaters. 65
A.3 Method 3 – hourly, using component specifications . 66
A.3.1 Product technical data . 66
A.3.1.1 General . 66
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SIST EN 15316-4-3:2018
EN 15316-4-3:2017 (E)
A.3.1.2 Collector . 66
A.3.1.3 Collector pump and control . 66
A.3.2 System design data . 67
A.3.2.1 Collector tilt and orientation . 67
A.3.2.2 Installed collector area . 67
A.3.2.3 Solar loop mass flow rate . 67
A.3.2.4 Location of the collector loop piping . 67
A.3.2.5 Heat losses of the collector loop . 68
A.3.3 Calculations . 68
Annex B (informative) Default application data . 69
B.1 Method 1 – using system test data . 69
B.1.1 Product technical data . 69
B.1.2 System design data . 69
B.1.3 Operating conditions . 69
B.2 Method 2 – monthly, using component specifications . 69
B.2.1 Product technical data . 69
B.2.1.1 Collector . 69
B.2.1.2 Collector pump . 70
B.2.1.3 Heat storage . 71
B.2.2 System design data . 72
B.2.2.1 Type of service . 72
B.2.2.2 Location of heat storage tank . 73
B.2.2.3 Type solar system layout . 73
B.2.2.4 Correction factor collector orientation and shadowing . 73
B.2.2.5 Collector loop overall heat loss coefficient . 74
B.2.2.6 Efficiency of the collector loop . 74
B.2.2.7 Collector pump operation time . 75
B.2.2.8 Pipe insulation back up heater loop . 75
B.2.2.9 Back up heater operation . 75
B.2.2.10 Space heating distribution return Heat storage . 76
B.2.2.11 Recoverable part of the heat losses . 76
B.2.2.12 Correlation factors . 76
B.2.2.13 Correction factor . 77
B.2.2.14 Air temperature heated room . 77
B.2.2.15 Domestic hot water temperature . 77
B.2.3 Operating conditions . 77
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SIST EN 15316-4-3:2018
EN 15316-4-3:2017 (E)
B.2.3.1 Solar irradiance . 77
B.2.3.2 Cold water and outside air temperature . 78
B.2.3.3 Heat use for water heating . 79
B.2.3.4 Design temperature settings . 79
B.2.3.5 Back-up heaters. 79
B.3 Method 3 – hourly, using component specifications . 80
B.3.1 Product technical data . 80
B.3.1.1 General . 80
B.3.1.2 Collector . 80
B.3.1.3 Collector pump and control . 80
B.3.2 System design data . 81
B.3.2.1 Collector tilt and orientation . 81
B.3.2.2 Installed collector area . 81
B.3.2.3 Solar loop mass flow rate . 81
B.3.2.4 Location of the collector loop piping . 81
B.3.2.5 Heat losses of the collector loop . 82
B.3.3 Calculations. 82
Annex C (informative) Solar irradiation on the photovoltaic modules. 83
C.1 Annual global solar irradiation . 83
C.2 Tilt and orientation conversion factor for calculation of the energy radiation on the
photovoltaic module surface . 83
C.3 Peak power . 85
C.4 System performance factor . 85
Annex D (normative) Method selection . 86
D.1 Solar thermal applications . 86
D.2 Solar photovoltaic applications . 86
Annex E (informative) Standards linked to solar systems and components . 88
Annex F (informative) Method 2 implementation for Ecodesign and Energy labelling . 91
F.1 Introduction. 91
F.2 Prescribed settings for method 2. 91
F.3 Calculation of auxiliary electricity consumption . 93
F.4 Determination of the water heater performance parameters without solar
contribution . 93
F.4.1 General . 93
F.4.2 External boiler-type backup heater . 94
F.4.3 External heat pump backup heater . 94
F.4.4 Integrated fuel fired heater . 95
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SIST EN 15316-4-3:2018
EN 15316-4-3:2017 (E)
F.4.5 Electrical immersion heater . 96
F.5 Conversion of parameters in this EN to parameters in the regulations . 96
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 . 100
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 . 101
Annex ZC (informative) Relationship between this European Standard and the ecodesign
requirements of Commission Regulation (EU) No 814/2013 aimed to be covered . 102
Bibliography . 103

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SIST EN 15316-4-3:2018
EN 15316-4-3:2017 (E)
European foreword
This document (EN 15316-4-3:2017) has been prepared by Technical Committee CEN/TC 228 “Heating
systems and water based cooling systems in buildings”, the secretariat of which is held by DIN.
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 November 2017, and conflicting national standards
shall be withdrawn at the latest by November 2017.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent
rights.
This documen
...