IEC 60704-2-3:2017
(Main)Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-3: Particular requirements for dishwashers
Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-3: Particular requirements for dishwashers
IEC 60704-2-3:2017 is intended to be used in conjunction with the third edition (2010) of IEC 60704-1, Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 1: General requirements.
The relevant text of Part 1 as amended by this standard establishes the test code for dishwashers.
This edition includes the following significant technical changes with respect to the previous edition:
a) it doesn’t contain the description of an appropriate test enclosure because the test enclosure has been incorporated in IEC 60704-1:2010, Annex B;
b) the values of standard deviations of sound power levels determined according to this part are given in Clause 1;
c) to prevent an appliance being programmed to recognize the test cycles, and reacting specifically to them, in this new edition an artificial soil is used in addition to the unsoiled load and the rinse aid container has to be filled. This artificial soil successive may build up a film on the load. Therefore, detergent also has to be used. An initial test has shown that no foam is to be expected.
This publication is to be read in conjunction with IEC 60704-1:2010.
Appareils électrodomestiques et analogues - Code d'essai pour la détermination du bruit aérien - Partie 2-3: Exigences particulières pour les lave-vaisselle
L'IEC 60704-2-3:2017 doit être utilisée conjointement avec la troisième édition (2010) de l’IEC 60704-1, Appareils électrodomestiques et analogues - Code d’essai pour la détermination du bruit aérien - Partie 1: Exigences générales.
Le texte correspondant de la Partie 1, amendé par la présente norme, constitue le code d’essai pour les lave-vaisselle.
Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) elle ne comprend pas la description d'un meuble d'essai approprié; cette description a été intégrée dans l'IEC 60704-1:2010, Annexe B;
b) les valeurs des écarts types des niveaux de puissance acoustique déterminés conformément à la présente partie sont indiquées dans l'Article 1;
c) pour empêcher un appareil en cours de programmation de prendre en compte les cycles d’essai et de les appliquer, la présente nouvelle édition utilise une salissure artificielle en plus de la charge non salie et le réservoir d’agent de rinçage doit être rempli. Cette salissure artificielle peut créer un film sur la charge. Du détergent doit donc également être utilisé. Un essai initial a démontré qu’aucune formation de mousse n’est à prévoir.
Cette publication doit être lue conjointement avec l'IEC 60704-1:2010.
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Standards Content (Sample)
IEC 60704-2-3 ®
Edition 3.0 2017-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Test code for the determination of
airborne acoustical noise –
Part 2-3: Particular requirements for dishwashers
Appareils électrodomestiques et analogues – Code d’essai pour la détermination
du bruit aérien –
Partie 2-3: Exigences particulières pour les lave-vaisselle
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IEC 60704-2-3 ®
Edition 3.0 2017-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Test code for the determination of
airborne acoustical noise –
Part 2-3: Particular requirements for dishwashers
Appareils électrodomestiques et analogues – Code d’essai pour la détermination
du bruit aérien –
Partie 2-3: Exigences particulières pour les lave-vaisselle
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 17.140.20; 97.040.40 ISBN 978-2-8322-4149-3
– 2 – IEC 60704-2-3:2017 © IEC 2017
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 7
3 Terms and definitions . 7
4 Measurement methods and acoustical environment . 8
5 Instrumentation . 8
6 Operation and location of appliance under test . 8
7 Measurement of sound pressure levels . 11
8 Calculation of sound pressure and sound power levels . 11
9 Information to be recorded . 11
10 Information to be reported . 12
Annex A (normative) Standard test table . 12
Table 101 – Standard deviations of sound power levels . 7
Table 102 – Standard deviations for declaration and verification . 7
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES – TEST CODE
FOR THE DETERMINATION OF AIRBORNE ACOUSTICAL NOISE –
Part 2-3: Particular requirements for dishwashers
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
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with the International Organization for Standardization (ISO) in accordance with conditions determined by
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2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
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3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
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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 60704-2-3 has been prepared by subcommittee 59A: Electric
dishwashers, of IEC technical committee 59: Performance of household and similar electrical
appliances.
This third edition cancels and replaces the second edition published in 2001 and
Amendment 1:2005. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) it doesn’t contain the description of an appropriate test enclosure because the test
enclosure has been incorporated in IEC 60704-1:2010, Annex B;
b) the values of standard deviations of sound power levels determined according to this part
are given in Clause 1;
– 4 – IEC 60704-2-3:2017 © IEC 2017
c) to prevent an appliance being programmed to recognize the test cycles, and reacting
specifically to them, in this new edition an artificial soil is used in addition to the unsoiled
load and the rinse aid container has to be filled. This artificial soil successive may build up
a film on the load. Therefore, detergent also has to be used. An initial test has shown that
no foam is to be expected.
The text of this standard is based on the following documents:
FDIS Report on voting
59A/212/FDIS 59A/214/RVD
Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
This Part 2-3 is intended to be used in conjunction with the third edition (2010) of
IEC 60704-1, Household and similar electrical appliances – Test code for the determination of
airborne acoustical noise – Part 1: General requirements.
NOTE When “Part 1” is mentioned in this standard, it refers to IEC 60704-1.
The relevant text of Part 1 as amended by this standard establishes the test code for
dishwashers.
This Part 2-3 supplements or modifies the corresponding clauses in IEC 60704-1, so as to
establish the test code for dishwashers. When a particular subclause of Part 1 is not
mentioned in this Part 2-3, that subclause is applicable as far as reasonable. Where this
standard states "addition", "modification" or "replacement", the relevant requirements, test
specifications or explanatory matter in Part 1 should be adapted accordingly.
Subclauses, tables and figures that are numbered starting from 101 are additional to those in
Part 1.
Unless notes are in a new subclause or involve notes in Part 1, they are numbered starting
from 101, including those in a replaced clause or subclause.
Additional annexes are lettered AA, BB, etc.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
INTRODUCTION
The measuring conditions specified in this Part 2-3 provide for sufficient accuracy in
determining the noise emitted and comparing the results of measurements taken by different
laboratories, whilst simulating as far as possible the practical use of dishwashers.
It is recommended to consider the determination of noise levels as part of a comprehensive
testing procedure covering many aspects of properties and performance of household
dishwashers.
NOTE As stated in the Introduction to IEC 60704-1:2010, this test code concerns airborne noise only.
– 6 – IEC 60704-2-3:2017 © IEC 2017
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES – TEST CODE
FOR THE DETERMINATION OF AIRBORNE ACOUSTICAL NOISE –
Part 2-3: Particular requirements for dishwashers
1 Scope
This clause of Part 1 is applicable except as follows.
1.1 Scope
1.1.1 General
Addition:
These particular requirements apply to single unit electric dishwashers for household and
similar use, with or without automatic programme control, for cold and/or warm water supply,
for detachable or permanent connection to water supply or sewage systems, intended for
placing on the floor against a wall, for building-in or placing under a counter, a kitchen
worktop or under a sink, for wall-mounting or on a counter.
1.1.2 Types of noise
Replacement:
The methods specified in ISO 3743-1, ISO 3743-2 and ISO 3744 can be used for measuring
noise emitted by electric dishwashers.
1.1.3 Size of source
Replacement:
The method specified in ISO 3744 is applicable to noise sources of any size. When applying
ISO 3743-1 and ISO 3743-2, care should be taken that the maximum size of the appliance
under test fulfils the requirements specified in 1.2 of ISO 3743-1:2010 and 1.3 of ISO 3743-
2:1994.
1.2 Object
Addition:
Requirements for the declaration of noise emission values are not within the scope of this
document.
NOTE 101 For determining and verifying noise emission values declared in product specifications, see
IEC 60704-3.
1.3 Measurement uncertainty
Replacement:
The estimated values of standard deviations of sound power levels determined according to
this document are given in Table 101:
Table 101 – Standard deviations of sound power levels
Standard deviation (dB)
σ (repeatability) σ (reproducibility)
r R
0,5 0,8
Addition:
1.101 Standard deviation for declaration and verification
For the purpose of determining and verifying declared noise emission values according to
IEC 60704-3, the values in Table 102 apply:
Table 102 – Standard deviations for declaration and verification
Standard deviation (dB)
σ (production) σ (total) σ (reference)
P t M
1,0 to 1,5 1,3 to 1,7 2,0
2 Normative references
This clause of Part 1 is applicable except as follows:
Replacement:
ISO 3743-1:2010, Acoustics – Determination of sound power levels and sound energy levels
of noise sources using sound pressure – Engineering methods for small movable sources in
reverberant fields – Part 1: Comparison method for a hard-walled test room
ISO 3744:2010, Acoustics – Determination of sound power levels and sound energy levels of
noise sources using sound pressure – Engineering methods for an essentially free field over a
reflecting plane
Addition:
IEC 60436:2015, Electric dishwashers for household use – Methods for measuring the
performance
3 Terms and definitions
This clause of Part 1 is applicable except as follows.
3.3
operational cycle
Addition:
starts with the initiation of the programme (excluding any user programmed delay) and ends
when all activity ceases (i.e. the end of the cycle); at the end of the cycle, all activity in the
dishwasher has ceased, i.e. the dishwasher may revert to off mode or it may have a steady
state power consumption until the user opens the dishwasher or turns the unit off
– 8 – IEC 60704-2-3:2017 © IEC 2017
Note 1 to entry: Audible program end signals should be switched off or set to the lowest configuration. If this is
not possible the audible signals shall be included in the measurement.
3.101
rated dishwasher capacity
whole number of place settings together with the serving pieces which can be cleaned and
dried in one cycle when loaded in accordance with the manufacturer’s instructions
Note 1 to entry: The rated dishwasher capacity is declared by the manufacturer and expressed as a number of
place settings.
[SOURCE: IEC 60436:2015, 3.1.12]
3.102
place setting and service pieces
tableware and pieces as defined in the dishwasher performance standard IEC 60436
3.103
drying
operational period during which the load is dried; drying begins when the washing pump has
stopped after final rinse and ends with the end of the operational cycle
4 Measurement methods and acoustical environment
This clause of Part 1 is applicable except as follows.
4.2 Direct method
Addition:
If pure tone components are present in the noise emitted by the source, the estimated
standard deviation of the measured sound pressure levels in the special reverberation room
can increase. In such cases, additional microphone positions or source positions can be
necessary, as specified in ISO 3743-2.
4.3 Comparison method
Addition:
If pure tone components are present in the noise emitted by the source, the estimated
standard deviation of the measured sound pressure levels in the hard-walled test room or in
the special reverberation room can increase. In such cases, additional microphone positions
or source positions may be necessary, as specified in ISO 3743-1 or ISO 3743-2.
5 Instrumentation
This clause of Part 1 is applicable.
6 Operation and location of appliance under test
This clause of Part 1 is applicable except as follows.
6.1 Equipping and pre-conditioning of appliances
6.1.3
Replacement:
Prior to commencing measurements, the inner surfaces of the appliance and filters shall be
clean. The salt container, if included, shall be filled with water and salt according to
manufacturer’s instructions. The rinse aid container, if included, shall be filled with rinse aid.
The quantity settings for the salt and the acidic rinse aid (Formula III) to be used are defined
in 5.8 and 5.9 of IEC 60436:2015. Then the appliance shall be run for at least two operational
cycles as defined by the manufacturer for the first runs in households. Specifications that are
given specially for the use of test laboratories shall be ignored. If there are no running-in
cycles specified by the manufacturer, the appliance shall be operated as defined in 6.101,
with or without load, but without soil. At first the cycles shall be done with detergent as
specified in 6.4.2.
6.1.4
Replacement:
Before the noise test, the appliance shall not have been out of operation for an extended
period of time. Otherwise, one more operational cycle shall be run according to the
manufacturer’s instructions for reconnection or as defined in 6.101, with or without load, but
without soil.
6.2 Supply of electric energy and of water or gas
6.2.2
Not applicable.
6.2.3
Not applicable.
6.2.4
Replacement:
Dishwashers designed for either cold or hot water supply shall be supplied with cold water.
The water hardness may be neglected. For noise measurements, the static water pressure
during filling shall be (240 ± 50) kPa, if not contradictory to the manufacturer's instructions.
The temperature of cold water shall be (15 ± 5) °C and the temperature of hot water shall be
(55 ± 5) °C.
NOTE 101 If regeneration occurs during sound measurement, the measurement remains valid. When, in some
countries, the water supply pressure and/or temperature differs from the water supply pressure and/or temperature
of the country concerned, measurements carried out at rated pressure and/or temperature can be misleading for
the consumer. In this case, additional measurements can be necessary. If the test pressure and/or temperature
differ from the rated pressure and temperature, this should be recorded.
6.4 Loading and operating of appliances during tests
6.4.2
Replacement:
The appliance under test shall be at room temperature when the test programme starts.
Dishwashers shall be operated in the standard test programme according to 6.101, with a
standard test load according to 6.102. Depending on the declared number of place settings
(and artificial soil), a different amount of detergent should be used: 5 g for 1 to 3 place
settings, 10 g for 4 to 7 place settings, 15 g for 8 to 10 place settings and 20 g for more than
10 place settings. Detergent D according to IEC 60436 shall be used.
– 10 – IEC 60704-2-3:2017 © IEC 2017
The detergent shall be placed in the dishwasher immediately prior to starting the programme
in the locations specified by the manufacturer. If a dispenser is fitted, some or the entire
detergent dose shall be placed in it according to the manufacturer’s instructions. The
dispenser shall be clean and dry prior to the placement of detergent. In the absence of
manufacturer recommendations, the detergent shall be placed in the main compartment of the
dispenser.
The standard test load shall be dry and at room temperature when the standard test
programme starts. The glass with artificial soil shall be removed from the freezer and placed
in the dishwasher within 2 min before the standard test programme starts.
Follow the supplied loading plan of the manufacturer. If no loading plan is available or if the
loading plan does not describe the placement of the glass, load the glass with frozen milk in
the upper basket at a position that injection water from a nozzle passes through the glass. If
there is no upper basket in a machine, or the glass cannot be put on the upper basket, load
the glass in lower basket at a position that injection water from a nozzle passes through the
glass.
Care shall be taken to prevent avoidable noise by rattling of tableware through collision by
water jets or spray arms.
NOTE 101 Normally, a three-hour break with the door open is sufficient to cool down the appliance after an
operational cycle.
6.5 Location and mounting of appliances
6.5.2
Not applicable.
6.5.5
Addition:
Appliances with an irremovable worktop and appliances specified by the manufacturer for
free-standing use only shall be measured free-standing. All other appliances shall be placed
in a test enclosure, as described in Annex B of IEC 60704-1:2010, and the worktop – if any –
shall be removed.
The front edge of the housing of the dishwashers designed to be built-in (except door) shall
be 20 mm to 25 mm behind the front edge of the test enclosure.
If there’s no skirting board integrated and the position of the skirting board is not specified by
the manufacturer the skirting board shall be pressed against the appliance.
6.101 Standard test programme for noise measurements
The standard test programme for noise measurements is the same programme as used for
measuring the cleaning performance, the drying performance, and energy and water
consumption, according to IEC 60436.
6.102 Standard test load for noise measurements
The standard test load for noise measurements is the load according to IEC 60436. It consists
of the whole number of complete place settings plus the corresponding serving pieces, which
together comprise the manufacturer’s rated dishwasher capacity. The standard test load
includes one glass filled with frozen artificial soil. Apart from this glass, the standard test load
shall be unsoiled. The artificial soil shall be prepared from UHT (ultra-heat treated) milk with a
fat content of 3,5 % ± 0,5 %.
Depending on the declared number of place settings, a different amount of artificial soil
should be used: 50 ml for 1 to 3 place settings, 100
...
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