Bsi bs en 60704 2 14 2013 + a11 2015

BS EN 60704-2-14:2013+A11:2015
BS EN 60704-2-14:2013

BSI Standards Publication

Household and similar
electrical appliances — Test
code for the determination
of airborne acoustical noise
Part 2-14: Particular requirements for
refrigerators, frozen-food storage cabinets
and food freezers


BS EN 60704-2-14:2013+A11:2015

BRITISH STANDARD

National foreword
This British Standard is the UK implementation of
EN 60704-2-14:2013+A11:2015. It is derived from IEC 60704-2-14:2013.
It supersedes BS EN 60704-2-14:2013 which is withdrawn.
The UK participation in its preparation was entrusted to Technical
Committee CPL/59, Performance of household electrical appliances.
A list of organizations represented on this committee can be obtained
on request to its secretary.
This publication does not purport to include all the necessary provisions
of a contract. Users are responsible for its correct application.
© The British Standards Institution 2016.
Published by BSI Standards Limited 2016
ISBN 978 0 580 87635 6

ICS 17.140.20; 97.040.30

Compliance with a British Standard cannot confer immunity from
legal obligations.
This British Standard was published under the authority of the Standards
Policy and Strategy Committee on 31 May 2013.

Amendments/corrigenda issued since publication
Date

Text affected

31 January 2016Implementation of CENELEC amendment 1:2015:
Subclause 6.4.2 updated and Annex ZZ added


BS EN 60704-2-14:2013

EN
EN60704-2-14:2013+A11
60704-2-14

EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM

May 2013
January
2015

ICS 17.140.20; 97.040.20

Supersedes EN 28960:1993

English version

Household and similar electrical appliances Test code for the determination of airborne acoustical noise Part 2-14: Particular requirements for refrigerators, frozen-food storage
cabinets and food freezers
(IEC 60704-2-14:2013)
Appareils électrodomestiques
et analogues - code d'essai pour la
détermination du bruit aérien Partie 2-14: Exigences particulières pour
les réfrigérateurs, conservateurs
et congélateurs
(CEI 60704-2-14:2013)

Elektrische Geräte für den Hausgebrauch
und ähnliche Zwecke Prüfvorschrift für die Bestimmung
der Luftschallemission Teil 2-14: Besondere Anforderungen an
Kühlgeräte, Tiefkühlgeräte und
Gefriergeräte
(IEC 60704-2-14:2013)

This European Standard was approved by CENELEC on 2013-03-06. 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, Former Yugoslav Republic of Macedonia, France, Germany,
Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.

CENELEC

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Management Centre: Avenue Marnix 17, B - 1000 Brussels
© 2013 CENELEC -

All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60704-2-14:2013 E


BS EN 60704-2-14:2013+A11:2015
EN 60704-2-14:2013+A11:2015
BS EN 60704-2-14:2013
EN 60704-2-14:2013

–2–
-2-

Foreword
The text of document 59/590/FDIS, future edition 2 of IEC 60704-2-14, prepared by IEC/TC 59
"Performance of household and similar electrical appliances" was submitted to the IEC-CENELEC
parallel vote and approved by CENELEC as EN 60704-2-14:2013.

The following dates are fixed:
•

latest date by which the document has
to be implemented at national level by
publication of an identical national
standard or by endorsement

(dop)

2013-12-06

•

latest date by which the national
standards conflicting with the
document have to be withdrawn

(dow)

2016-03-06

This document supersedes EN 28960:1993.
This Part 2 -14 is intended to be used in conjunction with EN 60704-1:2010, 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 EN 60704-1.

The relevant text of Part 1 as amended by this publication establishes the test code for refrigerators,
frozen-food storage cabinets and food freezers.

This Part 2-14 supplements or modifies the corresponding clauses in EN 60704-1. When a particular
subclause of Part 1 is not mentioned in this Part 2-14, 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 are to be adapted accordingly.
Subclauses, tables and figures that are numbered starting from 101 are additional to those in Part 1.
Additional annexes are lettered AA, BB, etc.
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.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.

Endorsement notice
The text of the International Standard IEC 60704-2-14:2013 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following note has to be added for the standard indicated:
IEC 62552

NOTE

Harmonised as EN 62552.


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EN 60704-2-14:2013/A11:2015

BS EN 60704-2-14:2013+A11:2015
EN 60704-2-14:2013+A11:2015

–2–

ForewordForeword
to amendment A11
This document (EN 60704-2-14:2013/A11:2015) has been
"Performance of household and similar electrical appliances".

prepared

by

CLC/TC 59X

The following dates are fixed:
•

latest date by which this document has to
be implemented at national level by
publication of an identical national
standard or by endorsement

(dop)

2015-12-01

•

latest date by which the national standards
conflicting with this
document have to be withdrawn

(dow)

2017-12-01

Attention is drawn to the possibility that some of the elements of this document may be the
subject of patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying
any or all such patent rights.
This document has been prepared under a mandate given to CENELEC by the European Commission
and the European Free Trade Association, and supports essential requirements of EU Directive(s).
For the relationship with EU Directive(s) see informative Annex ZZ, which is an integral part of this
document.

_____________


BS EN 60704-2-14:2013+A11:2015
EN 60704-2-14:2013+A11:2015

–4–

EN 60704-2-14:2013/A11:2015

–4–

Annex ZZ
(informative)
Clauses of this European Standard addressing essential requirements or
other provisions of EU Directives
This European Standard has been prepared under a mandate given to CENELEC by the
European Commission to provide reliable, accurate and reproducible procedures and methods

of measuring airborne acoustical noise of household appliances, which take into account the
recognised state-of-the-art measurement methods.
This European Standard in conjunction with Part 1 specifies the test code for the
determination of airborne acoustical noise emission of household refrigerators, frozen-food
storage cabinets and food freezers for household and similar use. It shall be applied
implementing Commissions delegated Regulation No 1060/2010 supplementing Directive
2010/30/EU of the European Parliament and of the Council with regard to energy labelling of
household refrigerating appliances.
For determining and verifying airborne acoustical noise emission values declared on a printed
label as well as in a product fiche and in the technical documentation, see EN 60704-3.
WARNING: Other requirements and other EU Directives may be applicable to the
products falling within the scope of this standard.


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–2–

BS EN 60704-2-14:2013+A11:2015
60704-2-14 © IEC:2013+A11:2015(E)
BS EN 60704-2-14:2013
60704-2-14 © IEC:2013(E)

CONTENTS
INTRODUCTION ..................................................................................................................... 6
5
1

Scope and object .............................................................................................................. 7
6

2

1.1 Scope ...................................................................................................................... 7
6
1.2 Object ..................................................................................................................... 7
6
1.3 Measurement uncertainty ........................................................................................ 7
6
1.101 Standard deviation for declaration and verification .................................................. 8
7
Normative references ....................................................................................................... 8
7

3

Terms and definitions ....................................................................................................... 8
7

4

Measurement methods and acoustical environments ........................................................ 8
7

5

4.2 Direct method .......................................................................................................... 9
8
4.3 Comparison method ................................................................................................ 9
8
Instrumentation ................................................................................................................ 9

8

6

Operation and location of appliances under test ............................................................... 9
8

7

6.1 Equipping and pre-conditioning of appliances .......................................................... 9
8
6.2 Supply of electrical energy and of water or gas .......................................................10
9
6.3 Climatic conditions ..................................................................................................10
9
6.4 Loading and operating of appliances during test ......................................................10
9
11
6.5 Location and mounting of appliances ..................................................................... 10
11
Measurement of sound pressure levels ........................................................................... 10
7.1

8

Microphone array, measurement surface and RSS location for essentially
11
free-field conditions over reflecting plane(s) .......................................................... 10
12
7.4 Measurements ....................................................................................................... 11

12
Calculation of sound pressure and sound power levels ................................................... 11

9

12
Information to be recorded .............................................................................................. 11

12
10 Information to be reported .............................................................................................. 11
14
Annexes ............................................................................................................................... 13
14
Annex A (normative) Standard test table .............................................................................. 13
15
Bibliography .......................................................................................................................... 14
Figure 101 – Measurement surface – parallelepiped – with key microphone positions
13
for high floor-standing appliances placed against a wall ........................................................ 12
Table 101 – Standard deviations of sound power levels .......................................................... 8
7
Table 102 – Standard deviations for declaration and verification ............................................. 8
7


BS EN 60704-2-14:2013+A11:2015
60704-2-14 © IEC:2013+A11:2015(E)
BS EN 60704-2-14:2013
60704-2-14 © IEC:2013(E)

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–5–

INTRODUCTION
The measuring conditions specified in this part of 60704 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 household refrigerators,
frozen-food storage cabinets and food freezers.
It is recommended to consider the determination of noise levels as part of a comprehensive
testing procedure covering many aspects of the properties and performance of household
refrigerators, frozen-food storage cabinets and food freezers.
NOTE

As stated in the introduction to IEC 60704-1, this test code is concerned with airborne noise only.


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–6–

BS EN 60704-2-14:2013+A11:2015
60704-2-14 © IEC:2013+A11:2015(E)
BS EN 60704-2-14:2013
60704-2-14 © IEC:2013(E)

HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
TEST CODE FOR THE DETERMINATION
OF AIRBORNE ACOUSTICAL NOISE –
Part 2-14: Particular requirements for refrigerators,
frozen-food storage cabinets and food freezers

1

Scope and object

This clause of Part 1 is applicable except as follows:
1.1

Scope

1.1.1

General

Addition:
These particular requirements apply to refrigerators, frozen-food storage cabinets and food
freezers (fitted with their accessories) for household and similar use, supplied from the mains
or from batteries.
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 refrigerators, frozen-food storage cabinets and food freezers.
1.1.3

Size of the 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 refrigerator,
frozen-food storage cabinet or food freezer under test fulfils the requirements specified in 1.3
of ISO 3743-1 and ISO 3743-2.
1.2

Object

Addition:
These described methods are specified for appliances without an operator present.
Requirements for the declaration of noise emission values are not within the scope of this
standard.
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 standard are indicated in Table 101:


BS EN 60704-2-14:2013+A11:2015
60704-2-14 © IEC:2013+A11:2015(E)
BS EN 60704-2-14:2013
60704-2-14 © IEC:2013(E)

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–7–

Table 101 – Standard deviations of sound power levels
Standard deviation (dB)
σ r (repeatability)

σ R (reproducibility)

0,4

0,7

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 indicated in Table 102 apply:
Table 102 – Standard deviations for declaration and verification
Standard deviation (dB)

2

σ P (production)

σ t (total)

σ M (reference)

0,7 to 1,5

1,0 to 1,7

2,0

Normative references

This clause of Part 1 is applicable.

3

Terms and definitions

This clause of Part 1 is applicable except as follows:
Addition:
3.101
running period
for a refrigerator, frozen-food storage cabinet or food freezer, period which begins when the
compressor turns on and ends when the compressor turns off
3.102
accessory
detachable part intended to be loaded by things to be cooled
3.103
temperature control cycle
time within the repetitive temperature pattern between two successive temperature warmest
points or two successive temperature coldest points
3.104
steady state
considered as being achieved when the mean values of the compartment internal
temperatures as stated in 6.4.2 are within the mentioned tolerances over a temperature
control cycle

4

Measurement methods and acoustical environments

This clause of Part 1 is applicable except as follows:


–9–
–8–
4.2

BS EN 60704-2-14:2013+A11:2015
60704-2-14 © IEC:2013+A11:2015(E)
BS EN 60704-2-14:2013
60704-2-14 © IEC:2013(E)

Direct method

Addition:
NOTE 101 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 could be necessary as specified in ISO 3743-2.

4.3

Comparison method

Addition:
NOTE 101 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 could be necessary as specified in

ISO 3743-1 or ISO 3743-2.

5

Instrumentation

This clause of Part 1 is applicable except as follows:
5.2.1
Replacement:
The temperature is determined with instruments having an accuracy of ± 0,5 °C.

6

Operation and location of appliances under test

This clause of Part 1 is applicable except as follows:
6.1

Equipping and pre-conditioning of appliances

6.1.1
Addition:
Loose accessories inside the appliance (e.g. racks or ice-trays) which could unusually vibrate
when empty shall be adjusted or fixed, for example by tape. Doors or lids shall be closed.
If available, adjustable feet shall be adjusted according to the manufacturer’s instructions to
give minimum noise emission.
6.1.3
Replacement:
Prior to noise measurements, the appliance, equipped as for intended use, shall have been in
operation for the running-in for at least 16 h at an ambient temperature as specified in 6.3.

During the running-in the thermostat adjustment has to be ascertained which establishes the
test temperature as specified in 6.4.2.
6.1.4
Replacement:
Immediately before each series of noise measurements, the appliance shall be operated until
a steady state has been reached but at least for three complete running periods.


BS EN 60704-2-14:2013+A11:2015
60704-2-14 © IEC:2013+A11:2015(E)
BS EN 60704-2-14:2013
60704-2-14 © IEC:2013(E)
6.2

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–9–

Supply of electrical energy and of water or gas

6.2.4
Not applicable.
BS EN 60704-2-14:2013
60704-2-14
© IEC:2013(E)
6.3
Climatic
conditions

–9–

Modification:
6.2
Supply of electrical energy and of water or gas
ambient temperature
6.2.4
Not applicable.

t

= 23 °C ± 3 °C

6.4
Loading and operating of appliances during test
6.3
Climatic conditions
6.4.1
Modification:
Replacement:
ambient temperature
t
= 23 °C ± 3 °C
The appliance shall operate without a load (i.e. empty).
6.4
Loading and operating of appliances during test
Adjustable slots and openings between different compartments which may be operated by the
6.4.1
user shall be closed.
Replacement:
6.4.2
The appliance shall operate without a load (i.e. empty).

Replacement:
Adjustable slots and openings between different compartments which may be operated by the
For determining
noise emission of an appliance, it shall be operated at the following
user
shall be closed.
compartment internal temperatures.
6.4.2
• Refrigerators
Replacement:
fresh-food storage compartment: 5 °C ± 2 K
–3–
EN 60704-2-14:2013/A11:2015
frozen-food storage compartment: no limitation
For determining noise emission of an appliance, it shall be operated at the following
chill compartment
applicable): no limitation
compartment
internal (if
temperatures.
• Freezers
Text of A11 to EN 60704-2-14:2013
• Refrigerators
food freezer compartment: –22 °C ± 2 K
fresh-food storage compartment: 5 °C ± 2 K
• Refrigerator-freezers
storage
compartment:
no limitationunder test
6 frozen-food

Operation
and location
of appliances
fresh-food storage compartment: 5 °C ± 2 K
chill compartment (if applicable): no limitation
6.4 food
Loading
operatingwithout
of appliances
test no limitation
freezerand
compartment
separateduring
thermostat:
• Freezers
6.4.2
food freezer compartment with separate thermostat: – 22 °C ± 2 K
food freezer
compartment: –22 °C ± 2 K
rd
Addchill
after
3 bullet the
compartment
(iffollowing:
applicable): no limitation
• Refrigerator-freezers
• Wine
storage or cellar
appliance

These
temperatures
be measured
fresh-food
storageshall
compartment:
5 °C with
± 2 Ktemperature probes, the sensors of which are
inserted
in
the
centre
of
solid
cylinders
made
Wine storage or cellar compartment: 12 °Cof± brass
2 K or tin-covered copper having a mass of
food
without area
separate
thermostat:
no =limitation
25 g
± 5freezer
% and compartment
of minimum external
(diameter
= height
about 15,2 mm), located in the

geometric
centrecompartment
of the storage
compartment;
they shall–be
• food
Otherfreezer
appliance
with
separate thermostat:
22considered
°C ± 2 K to be the mean values
over the temperature control cycle.
chill
compartment
(if applicable):
Pantry
compartment:
17 °C ± 2 Kno limitation
NOTE 101 This temperature is the air temperature and not the test temperature that is measured in test packages
These
temperatures shall be measured with temperature probes, the sensors of which are
according to IEC 62552. An air temperature of –22 °C approximately corresponds to a test package temperature of
inserted
in the centre of solid cylinders made of brass or tin-covered copper having a mass of
–18 °C.
25 g ± 5 % and of minimum external area (diameter = height = about 15,2 mm), located in the
Combined centre
appliances
two compartment;

compressors they
shallshall
be be
tested
in the running
of the
geometric
of the with
storage
considered
to be theperiod
mean values
refrigerator
compressor
during
the continuous operating of the freezer compressor.
over
the temperature
control
cycle.
In thetemperature
case of simultaneous
running of two
beats are possible.
NOTE 102
101 This
is the air temperature
andcompressors,
not the test temperature
that is measured in test packages

according to IEC 62552. An air temperature of –22 °C approximately corresponds to a test package temperature of
–18 °C.

Combined appliances with two compressors shall be tested in the running period of the
refrigerator compressor during the continuous operating of the freezer compressor.
NOTE 102

In the case of simultaneous running of two compressors, beats are possible.


25 g ± 5 % and of minimum external area (diameter = height = about 15,2 mm), located in the
geometric centre of the storage compartment; they shall be considered to be the mean values
BS EN 60704-2-14:2013+A11:2015
over the temperature control cycle.
– 11 –
60704-2-14 © IEC:2013+A11:2015(E)
NOTE 101 This temperature is the air temperature and not the test temperature that is measured in test packages
according to IEC 62552. An air temperature of –22 °C approximately corresponds to a test package temperature of
–18 °C.

Combined appliances with two compressors shall be tested in the running period of the
refrigerator compressor during the continuous operating of the freezer compressor.
BS EN 60704-2-14:2013
–
10
–
60704-2-14
© IEC:2013(E)
NOTE 102 In the case of simultaneous running of two compressors, beats are possible.
6.4.3

Replacement:
It is recommended to record the power consumption during operation. From this time history,
the running period of the compressor can be determined.
Defrosting mode is not considered as normal operation. This should be taken into account
when running periods are defined from observing power consumption.
6.5

Location and mounting of appliances

6.5.2

Not applicable.

6.5.3
Modification:
D = 1 cm ± 0,5 cm
6.5.5
Addition:
Appliances specified by the manufacturer for building under a counter or for placing under a
worktop between cabinets (under-counter types) shall be built-in according to the
manufacturer’s instructions in an appropriate test enclosure according to Annex B of Part 1.
Regardless of the manufacturer’s instructions, the test enclosure shall have a back plane.
When measuring a device to be built-in, care should be taken that the ventilation around the
appliance is according to the manufacturer’s instructions; this can imply special precautions at
the bottom or top of the test enclosure.

7

Measurement of sound pressure levels

This clause of Part 1 is applicable except as follows:
7.1
Microphone array, measurement surface and RSS location for essentially freefield conditions over reflecting plane(s)
7.1.3
Replacement:
For floor-standing cabinet-type appliances for placing against a wall, including built-in
appliances of larger size with a height exceeding 2 d, but less than or equal 5 d, the
measurement surface is a parallelepiped with 10 microphone positions, as specified in
Figure 101. Additional measurement positions may be required according to 7.3.2 of
ISO 3744:1994. The number of microphone positions may also be reduced according to 7.4.2
of ISO 3744:1994.
NOTE 101

The front of the appliance is directed in the direction of the x-axis.

The preferred value of the measurement distance d is 1 m.
For determining time histories, frequency spectra, etc. of the appliance, the microphone position no. 7 is
recommended for the 10 microphone array.


For floor-standing cabinet-type appliances for placing against a wall, including built-in
appliances
of larger size with a height exceeding 2 d, but less than or equal 5 d, the
BS EN 60704-2-14:2013+A11:2015
measurement surface is a parallelepiped –with
12 – 10 microphone positions, as specified in
60704-2-14 © IEC:2013+A11:2015(E)
Figure 101. Additional measurement positions may be required according to 7.3.2 of
ISO 3744:1994. The number of microphone positions may also be reduced according to 7.4.2
of ISO 3744:1994.

NOTE 101

The front of the appliance is directed in the direction of the x-axis.

The preferred value of the measurement distance d is 1 m.
For determining time histories, frequency spectra, etc. of the appliance, the microphone position no. 7 is
recommended for the 10 microphone array.

BS EN 60704-2-14:2013
60704-2-14
© IEC:2013(E)
7.1.5 and 7.1.6
Not applicable.
7.4

– 11 –

Measurements

7.4.1
Addition:
The A-weighted time averaged sound pressure level shall be measured from 1 min after the
start of a running period to the end of this running period.
To obtain the final result three consecutive measurements shall be carried out. The final result
will be the logarithmic mean of these three measurements. If, however the difference between
any two of the measurements exceeds 2 dBA, three additional measurements shall be carried
out, and the final result will be the logarithmic mean of the six measurements.

8

Calculation of sound pressure and sound power levels

This clause of Part 1 is applicable.

9

Information to be recorded

This clause of Part 1 is applicable except as follows:
9.7.3 and 9.7.4
9.12.5

10

Not applicable.

Not applicable.

Information to be reported

This clause of Part 1 is applicable except as follows:
10.3.4 and 10.3.5
10.3.9

Not applicable.

Not applicable.


BS EN 60704-2-14:2013+A11:2015

60704-2-14 © IEC:2013+A11:2015(E)
BS EN 60704-2-14:2013
60704-2-14 © IEC:2013(E)

– 13 –
– 12 –
Addition:

-b

0,25c

2

2a

0

0,25c

3

a

b

0,25c

4

2a

-b

0,50c

5

2a

b

0,50c

6

a

-b

0,75c

7

2a

0

0,75c

8

a

b

0,75c

9

2a

-b

c

10

2a

b

c

Measurement surface area:

10

Reference box

y

8
7

9
6

5

3

4

2

c = I3 + d

z

a

3/4 c

x

1/2 c

y

1

I3

no.

Measurement surface

z

1/4 c

Co-ordinates of microphone
positions:

1
I1
2a

d

I2
d

2b
x
IEC 275/13

S = 2(2ac + 2ab + bc)

Figure 101 – Measurement surface – parallelepiped – with key microphone positions
for high floor-standing appliances placed against a wall


BS EN 60704-2-14:2013+A11:2015
60704-2-14 © IEC:2013+A11:2015(E)
BS EN 60704-2-14:2013
60704-2-14 © IEC:2013(E)

– 14 –
– 13 –

Annexes
The annexes of Part 1 apply with the following exception:

Annex A
(normative)
Standard test table
This annex of Part 1 is not applicable.


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– 14 –

BS EN 60704-2-14:2013+A11:2015
60704-2-14 © IEC:2013+A11:2015(E)
BS EN 60704-2-14:2013
60704-2-14 © IEC:2013(E)

Bibliography

Addition:
IEC 62552, Household refrigerating appliances – Characteristics and test methods

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