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SLOVENSKI STANDARD
01-februar-2022
Gospodinjski električni pretočni grelniki vode - Metode za merjenje lastnosti - 1.
del: Splošno
Household electric instantaneous water heaters - Methods for measuring the
performance - Part 1: General aspects
Ta slovenski standard je istoveten z: EN IEC 63159-1:2021
ICS:
91.140.65 Oprema za ogrevanje vode Water heating equipment
97.100.10 Električni grelniki Electric heaters
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 63159-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2021
ICS 91.140.65
English Version
Household electric instantaneous water heaters - Methods for
measuring the performance - Part 1: General aspects
(IEC 63159-1:2021)
Chauffe-eau instantanés électrodomestiques - Méthodes de Elektro-Durchfluss-Wassererwärmer für den Hausgebrauch
mesure de l'aptitude à la fonction - Partie 1: Aspects - Prüfverfahren zur Messung der Gebrauchseigenschaften -
généraux Teil 1: Allgemeines
(IEC 63159-1:2021) (IEC 63159-1:2021)
This European Standard was approved by CENELEC on 2021-11-25. CENELEC 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 CENELEC 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 CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 63159-1:2021 E
European foreword
The text of document 59C/267/FDIS, future edition 1 of IEC 63159-1, prepared by SC 59C “Electrical
heating appliances for household and similar purposes” of IEC/TC 59 “Performance of household and
similar electrical appliances” was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN IEC 63159-1:2021.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2022–08–25
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2024–11–25
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 63159-1:2021 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 60335-1 NOTE Harmonized as EN 60335-1
IEC 60335-2-35 NOTE Harmonized as EN 60335-2-35
IEC 60584-1 NOTE Harmonized as EN 60584-1
IEC 60584-2 NOTE Harmonized as EN 60584-2
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the
relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 63159-2-1 - Household electric instantaneous water EN IEC 63159-2-1 -
heaters - Methods for measuring the
performance - Part 2-1: Multifunctional
electric instantaneous water heaters
IEC 63159-2-2 - Household electric instantaneous water EN IEC 63159-2-2 -
heaters - Methods for measuring the
performance - Part 2-2: Efficiency of single
point of use electric instantaneous water
heaters
ISO 228-1 - Pipe threads where pressure-tight joints - -
are not made on the threads - Part 1:
Dimensions, tolerances and designation
ISO 2768-1 - General tolerances - Part 1: Tolerances for - -
linear and angular dimensions without
individual tolerance indications
IEC 63159-1
Edition 1.0 2021-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household electric instantaneous water heaters – Methods for measuring the
performance –
Part 1: General aspects
Chauffe-eau instantanés électrodomestiques – Méthodes de mesure de
l'aptitude à la fonction –
Partie 1: Aspects généraux
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 91.140.65 ISBN 978-2-8322-1040-5
– 2 – IEC 63159-1:2021 © IEC 2021
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 General test conditions . 7
4.1 Measurement equipment . 7
4.2 Number of appliances to be tested . 8
4.3 General conditions . 8
4.4 Test setup . 9
5 Energy efficiency . 9
5.1 Test methods . 9
5.1.1 General . 9
5.1.2 Static efficiency . 9
5.1.3 Start-up losses . 10
5.2 Calculation methods . 11
5.2.1 General . 11
5.2.2 Daily energy demand . 11
5.2.3 Efficiency calculation . 11
6 Performance tests . 12
Annex A (normative) Load pattern . 13
Annex B (normative) Test setup . 17
Bibliography . 21
Figure B.1 – Test setup for open outlet instantaneous water heater . 17
Figure B.2 – Test setup for closed instantaneous water heater . 18
Figure B.3 – Temperature sensor water connection part . 19
Figure B.4 – Example of a thermocouple feed through . 20
Table 1 – Measurement equipment accuracy . 8
Table A.1 – Water heater load patterns (reference test tapping patterns) 3XS to S . 14
Table A.2 – Water heater load patterns (reference test tapping patterns) M to XL . 15
Table A.3 – Water heater load patterns (reference test tapping patterns) XXL to 4XL . 16
IEC 63159-1:2021 © IEC 2021 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD ELECTRIC INSTANTANEOUS WATER HEATERS –
METHODS FOR MEASURING THE PERFORMANCE –
Part 1: General aspects
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
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preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
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Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
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Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
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any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 63159-1 has been prepared by subcommittee 59C: Electrical
heating appliances for household and similar purposes, of IEC technical committee 59:
Performance of household and similar electrical appliances.
The text of this International Standard is based on the following documents:
Draft Report on voting
59C/267/FDIS 59C/271/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
SIST EN IEC 63
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