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of EN 60704-2-14:2013+A11:2015 It is derived from IEC 60704-2-14:2013 It supersedes BS EN 60704-2-14:2013 which is withdrawn The UK participation in its preparation was entrusted to Technical Committee CPL/59, Performance of household electrical appliances A list of organizations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 978 580 87635 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 2016 Implementation 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 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 -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 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 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 are to be adapted accordingly Subclauses, tables and figures that are numbered starting from 101 are additional to those in Part 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 –3– 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 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 –5– –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 Scope and object 1.1 Scope 1.2 Object 1.3 Measurement uncertainty 1.101 Standard deviation for declaration and verification Normative references Terms and definitions Measurement methods and acoustical environments 4.2 Direct method 4.3 Comparison method Instrumentation Operation and location of appliances under test 6.1 Equipping and pre-conditioning of appliances 6.2 Supply of electrical energy and of water or gas .10 6.3 Climatic conditions 10 6.4 Loading and operating of appliances during test 10 11 6.5 Location and mounting of appliances 10 11 Measurement of sound pressure levels 10 7.1 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 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 Table 102 – Standard deviations for declaration and verification 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– –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 –7– –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 Scope and object This clause of Part 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) –8– –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) 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 is applicable Terms and definitions This clause of Part 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 Measurement methods and acoustical environments This clause of Part 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 Instrumentation This clause of Part is applicable except as follows: 5.2.1 Replacement: The temperature is determined with instruments having an accuracy of ± 0,5 °C Operation and location of appliances under test This clause of Part 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 – 10 – –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 ± °C 6.4 Loading and operating of appliances during test 6.3 Climatic conditions 6.4.1 Modification: Replacement: ambient temperature t = 23 °C ± °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: °C ± 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 ± K fresh-food storage compartment: °C ± K • Refrigerator-freezers storage compartment: no limitationunder test frozen-food Operation and location of appliances fresh-food storage compartment: °C ± 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 ± K food freezer compartment: –22 °C ± K rd Addchill after bullet the compartment (iffollowing: applicable): no limitation • Refrigerator-freezers • Wine storage or cellar appliance These temperatures be measured fresh-food storageshall compartment: °C with ± Ktemperature probes, the sensors of which are inserted in the centre of solid cylinders made Wine storage or cellar compartment: 12 °Cof± brass 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 ± K to be the mean values over the temperature control cycle chill compartment (if applicable): Pantry compartment: 17 °C ± 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 ± % 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 ± % 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 = 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 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 Measurement of sound pressure levels This clause of Part 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 d, but less than or equal 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 m For determining time histories, frequency spectra, etc of the appliance, the microphone position no 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 d, but less than or equal 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 m For determining time histories, frequency spectra, etc of the appliance, the microphone position no 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 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 dBA, three additional measurements shall be carried out, and the final result will be the logarithmic mean of the six measurements Calculation of sound pressure and sound power levels This clause of Part is applicable Information to be recorded This clause of Part 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 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 2a 0,25c a b 0,25c 2a -b 0,50c 2a b 0,50c a -b 0,75c 2a 0,75c a b 0,75c 2a -b c 10 2a b c Measurement surface area: 10 Reference box y c = I3 + d z a 3/4 c x 1/2 c y I3 no Measurement surface z 1/4 c Co-ordinates of microphone positions: 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 apply with the following exception: Annex A (normative) Standard test table This annex of Part is not applicable – 15 – – 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 _ This page deliberately left blank This page deliberately left blank NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards Institution (BSI) BSI is the national body responsible for preparing British Standards and other standards-related 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