IEC PAS 63125:2017

IEC PAS 63125 ®
Edition 1.0 2017-06
PUBLICLY AVAILABLE
SPECIFICATION
PRE-STANDARD
colour
inside
Clothes washing machines for commercial use – Methods for measuring the
performance
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.

IEC Central Office Tel.: +41 22 919 02 11
3, rue de Varembé Fax: +41 22 919 03 00
CH-1211 Geneva 20 info@iec.ch
Switzerland www.iec.ch
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.

About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigenda or an amendment might have been published.

IEC Catalogue - webstore.iec.ch/catalogue Electropedia - www.electropedia.org
The stand-alone application for consulting the entire The world's leading online dictionary of electronic and
bibliographical information on IEC International Standards, electrical terms containing 20 000 terms and definitions in
Technical Specifications, Technical Reports and other English and French, with equivalent terms in 16 additional
documents. Available for PC, Mac OS, Android Tablets and languages. Also known as the International Electrotechnical
iPad. Vocabulary (IEV) online.

IEC publications search - www.iec.ch/searchpub IEC Glossary - std.iec.ch/glossary
The advanced search enables to find IEC publications by a 65 000 electrotechnical terminology entries in English and
variety of criteria (reference number, text, technical French extracted from the Terms and Definitions clause of
committee,…). It also gives information on projects, replaced IEC publications issued since 2002. Some entries have been
and withdrawn publications. collected from earlier publications of IEC TC 37, 77, 86 and

CISPR.
IEC Just Published - webstore.iec.ch/justpublished

Stay up to date on all new IEC publications. Just Published IEC Customer Service Centre - webstore.iec.ch/csc
details all new publications released. Available online and If you wish to give us your feedback on this publication or
also once a month by email. need further assistance, please contact the Customer Service
Centre: csc@iec.ch.
IEC PAS 63125 ®
Edition 1.0 2017-06
PUBLICLY AVAILABLE
SPECIFICATION
PRE-STANDARD
colour
inside
Clothes washing machines for commercial use – Methods for measuring the

performance
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 97.060 ISBN 978-2-8322-4520-0

– 2 – IEC PAS 63125:2017 © IEC 2017
CONTENTS
FOREWORD . 8
1 Scope . 10
2 Normative references . 10
3 Terms, definitions and symbols. 11
3.1 Terms and definitions . 11
3.2 Symbols . 14
3.2.1 Symbols relating to 9.2 – washing performance . 14
3.2.2 Symbols relating to 9.3 – water extraction (spinning) . 15
3.2.3 Symbols relating to 9.4 – energy, water and time . 15
3.2.4 Symbols relating to Annex F . 15
3.2.5 Symbols relating to Annex G . 16
4 Requirements . 16
4.1 General . 16
4.2 Rated Capacity . 16
4.3 Dimensions . 17
5 Test conditions, materials, equipment and instrumentation . 17
5.1 General . 17
5.2 Reference machine . 18
5.3 Ambient conditions. 18
5.3.1 Electricity supply . 18
5.3.2 Water supply . 18
5.3.3 Ambient temperature and humidity . 19
5.4 Test materials . 20
5.4.1 General . 20
5.4.2 Base load . 20
5.4.3 Stain test strips . 20
5.4.4 Detergents . 21
5.5 Equipment . 21
5.5.1 General . 21
5.5.2 Reference machine . 21
5.5.3 Spectrophotometer . 21
5.5.4 Equipment for conditioning the base load . 22
5.5.5 Iron for preparation of stain test strips after washing . 22
5.5.6 Other equipment . 22
5.6 Instrumentation and accuracy . 23
5.6.1 General . 23
5.6.2 Instruments . 23
5.6.3 Measurements . 24
6 Preparation for testing . 24
6.1 General . 24
6.2 Test washing machine and reference machine preparation . 24
6.2.1 Test washing machine . 24
6.2.2 Reference machine . 25
6.3 Detergent . 25
6.3.1 General . 25
6.3.2 Detergent dose . 26

6.3.3 Mixing detergent . 26
6.3.4 Detergent placement . 26
6.3.5 Placing detergent into the drum base . 26
6.4 Test loads . 27
6.4.1 General . 27
6.4.2 Pre-treatment of new base load items prior to use . 28
6.4.3 Requirements regarding the maximum age of base load items . 28
6.4.4 Normalization of base load items before a new test series . 28
6.4.5 Conditioning of base load items before a new test series . 29
6.4.6 Test load composition . 30
6.4.7 Calculation of loads not shown in Table 3 . 32
6.4.8 Addition of stain test strips to the base load . 32
7 Performance measurements – general requirements . 33
8 Tests for performance. 33
8.1 General . 33
8.2 Test procedure for performance tests . 34
8.2.1 Test conditions, materials and preparation for testing . 34
8.2.2 Test load and loading . 34
8.2.3 Programme . 34
8.2.4 Test procedure . 34
8.2.5 Test series . 35
8.3 Measurements to determine washing performance . 35
8.3.1 General . 35
8.3.2 Removal and drying of stain test strips . 35
8.3.3 Assessment of stain test strips . 36
8.4 Measurements to determine maximum spin speed . 36
8.5 Measurements to determine water extraction performance . 37
8.5.1 General . 37
8.5.2 Washing machines. 37
8.5.3 Spin extractors . 37
8.6 Measurement to determine the bath temperature . 37
8.7 Measurements to determine water and energy consumption and programme
time . 38
8.7.1 General . 38
8.7.2 Procedure . 38
8.7.3 Measurement of energy supplied by electricity . 38
8.7.4 Measurement of energy supplied by steam . 38
8.7.5 Measurement of energy supplied by gas . 38
8.7.6 Measurement of energy consumed via compressed air . 38
9 Assessment of performance . 39
9.1 General . 39
9.2 Evaluation of washing performance . 39
9.3 Evaluation of water extraction performance . 41
9.4 Evaluation of water and energy consumption and programme time . 41
9.4.1 General . 41
9.4.2 Water volumes . 41
9.4.3 Bath temperature . 41
9.4.4 Programme time . 41
9.4.5 Energy consumption . 42

– 4 – IEC PAS 63125:2017 © IEC 2017
10 D
...