1、BSI Standards PublicationBS EN ISO 23953-2:2015Refrigerated display cabinetsPart 2: Classification, requirements and testconditionsBS EN ISO 23953-2:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO 23953-2:2015. It supersedes BS EN ISO 23953-2:2005+A1:20
2、12 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee RHE/19, Commercial refrigerated food cabinets (cold room and display cases).A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not p
3、urport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2015. Published by BSI Standards Limited 2015ISBN 978 0 580 84495 9 ICS 97.130.20 Compliance with a British Standard cannot confer immunity from legal ob
4、ligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2015.Amendments/corrigenda issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 23953-2 November 2015 ICS 97.130.20 Supersedes
5、 EN ISO 23953-2:2005English Version Refrigerated display cabinets - Part 2: Classification, requirements and test conditions (ISO 23953-2:2015) Meubles frigorifiques de vente - Partie 2: Classification, exigences et mthodes dessai (ISO 23953-2:2015) Verkaufskhlmbel - Teil 2: Klassifizierung, Anforde
6、rungen und Prfbedingungen (ISO 23953-2:2015) This European Standard was approved by CEN on 3 October 2015. CEN 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 alterati
7、on. 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 CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by
8、 translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
9、Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZ
10、ATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 23953-2:2015 EBS EN ISO 23953-2:2015EN IS
11、O 23953-2:2015 (E) 3 European foreword This document (EN ISO 23953-2:2015) has been prepared by Technical Committee CEN/TC 44“Commercial refrigerated cabinets, catering refrigerating appliances and industrial refrigeration“, thesecretariat of which is held by UNI, in collaboration with Technical Com
12、mittee ISO/TC 86 “Refrigerationand air-conditioning“ This European Standard shall be given the status of a national standard, either by publication of anidentical text or by endorsement, at the latest by May 2016, and conflicting national standards shall bewithdrawn at the latest by May 2016. Attent
13、ion is drawn to the possibility that some of the elements of this document may be the subject ofpatent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patentrights. This document supersedes EN ISO 23953-2:2005. According to the CEN-CENELEC Internal Regulation
14、s, the national standards organizations of thefollowing countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Lat
15、via, Lithuania, Luxembourg, Malta,Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,Turkey and the United Kingdom. Endorsement notice The text of ISO 23953-2:2015 has been approved by CEN as EN ISO 23953-2:2015 without anymodification. BS EN ISO 23953-2:2
16、015ISO 23953-2:2015(E)Foreword v1 Scope . 12 Normative references 13 Terms, definitions, symbols and abbreviated terms . 13.1 General . 13.2 Compression-type refrigeration systems . 23.3 Indirect refrigeration-type systems 34 Requirements 34.1 Construction 34.1.1 General 34.1.2 Materials . 54.1.3 Th
17、ermal insulation . 54.1.4 Refrigerating system. 64.1.5 Electrical components . 64.1.6 Temperature display . 64.2 Operating characteristics . 74.2.1 Absence of odour and taste 74.2.2 Classification according to temperature . 84.2.3 Defrosting 84.2.4 Water vapour condensation . 84.2.5 Energy consumpti
18、on 84.2.6 Specific Energy Consumption . 95 Tests . 95.1 General . 95.2 Tests outside test room 95.2.1 Seal test for doors and lids on low temperature applications 95.2.2 Linear dimensions, areas 95.3 Tests inside test room 105.3.1 General conditions 105.3.2 Preparation of test cabinet and general te
19、st procedures .195.3.3 Temperature test 455.3.4 Water vapour condensation test . 505.3.5 Electrical energy consumption test 515.3.6 Heat extraction rate measurement when condensing unit is remote from cabinet 516 Test report 606.1 General 606.2 Tests outside test room . 606.2.1 Seal test of doors an
20、d lids . 606.2.2 Linear dimensions, areas and volumes .606.2.3 Test for absence of odour and taste 616.3 Tests inside test room 616.3.1 General test conditions 616.3.2 Cabinet preparation .616.3.3 Temperature test 626.3.4 Water vapour condensation test . 626.3.5 Electrical energy consumption test 63
21、6.3.6 Heat extraction rate measurement when the condensing unit is remote from the cabinet 637 Marking .657.1 Load limit 657.2 Marking plate 66 ISO 2015 All rights reserved iiiContents PageBS EN ISO 23953-2:2015ISO 23953-2:2015(E)7.3 Information to be supplied by the manufacturer .66Annex A (normati
22、ve) Total display area (TDA) 68Annex B (informative) Comparison between laboratory and in-store conditions 76Annex C (informative) Test for absence of odour and taste .78Annex D (normative) Performance and energy rating of commercial refrigerated display cabinets 80Bibliography .89iv ISO 2015 All ri
23、ghts reservedBS EN ISO 23953-2:2015ISO 23953-2:2015(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. E
24、ach member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the Internati
25、onal Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the differen
26、t types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall no
27、t be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is inf
28、ormation given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see
29、the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 86, Refrigeration and air-conditioning, Subcommittee SC 7, and by Technical Committee CEN/TC 44, Commercial refrigerated cabinets, catering refrigerating appliances and industrial refrigerati
30、on in collaboration.This second edition cancels and replaces the first edition (ISO 23953-2:2005 and ISO 23953-2:2005/Amd 1:2012), which has been technically revised as follows: editorial and technical improvements, corrections and/or clarifications throughout the text to better apply the standard a
31、ddition of a new Annex D “Performance and energy rating of commercial refrigerated display cabinets”ISO 23953 consists of the following parts, under the general title Refrigerated display cabinets: Part 1: Vocabulary Part 2: Classification, requirements and test conditions ISO 2015 All rights reserv
32、ed vBS EN ISO 23953-2:2015BS EN ISO 23953-2:2015Refrigerated display cabinets Part 2: Classification, requirements and test conditions1 ScopeThis part of ISO 23953 specifies requirements for the construction, characteristics and performance of refrigerated display cabinets used in the sale and displ
33、ay of foodstuffs. It specifies test conditions and methods for checking that the requirements have been satisfied, as well as classification of the cabinets, their marking and the list of their characteristics to be declared by the manufacturer. It is not applicable to refrigerated vending machines.
34、 It is also not applicable to cabinets intended for storage or cabinets intended for use, for instance, in catering or non-retail refrigerated applications nor does it cover the choice of the types of foodstuffs chosen to be displayed in the cabinets.2 Normative referencesThe following documents, in
35、 whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 817, Refrigerants Designation a
36、nd safety classificationISO 5149-2:2014, Refrigerating systems and heat pumps Safety and environmental requirements Part 2: Design, construction, testing, marking and documentationISO 23953-1:2015, Refrigerated display cabinets Part 1: VocabularyIEC 60335-1, Household and similar electrical applianc
37、es - Safety - Part 1: General requirementsIEC 60335-2-89, Household and similar electrical appliances - Safety - Part 2-89: Particular requirements for commercial refrigerating appliances with an incorporated or remote refrigerant unit or compressor3 Terms, definitions, symbols and abbreviated terms
38、3.1 Generaltrunrunning time time during which compressor is running (or solenoid valve is open) or secondary refrigerant is circulating (or solenoid valve is open), within 24 h, expressed in hourststopstopping time time during which compressor is not running (or solenoid valve is closed) or secondar
39、y refrigerant is not circulating (or solenoid valve is closed), within 24 h and excluding defrost time, expressed in hourstdeftdefrost time time during defrost during which compressor is not running (or solenoid valve is closed) or secondary refrigerant is generally not circulating, within 24 h, but
40、 not considered as stopping time, expressed in hoursqmmass flow rate of liquid refrigerant or secondary refrigerant in kilograms per secondt time between two consecutive measuring samples, in hoursINTERNATIONAL STANDARD ISO 23953-2:2015(E) ISO 2015 All rights reserved 1BS EN ISO 23953-2:2015ISO 2395
41、3-2:2015(E)Nmaxnumber of measuring samples in 24 hoursndeftnumber of defrosts during 24 h24heat extraction rate during a whole day excepting defrost time, in kilowatts24-deftheat extraction rate during a whole day excepting defrost time, in kilowattsDEC direct daily electrical energy consumption, in
42、 kilowatt hours per 24 h periodDECR revised direct daily electrical energy consumption, in kilowatt hours per 24 h periodRECRCrefrigeration daily electrical energy consumption, in kilowatt hours per 24 h period, for remote cabinet for compression-type refrigerating systemRECRIrefrigeration daily ele
43、ctrical energy consumption, in kilowatt hours per 24 h period, for remote cabinet for indirect refrigerating systemRECRRCrevised refrigeration daily electrical energy consumption, in kilowatt hours per 24 h period, for remote cabinet for compression-type refrigerating systemRECARCadditional refriger
44、ation daily electrical energy consumption, in kilowatt hours per 24 h period, for remote cabinet for compression-type refrigerating systemRECRRIrevised refrigeration daily electrical energy consumption, in kilowatt hours per 24 h period, for remote cabinet for indirect refrigerating systemRECARIaddi
45、tional refrigeration daily electrical energy consumption, in kilowatt hours per 24 h period, for remote cabinet for indirect refrigerating systemTEC total daily electrical energy consumption in kilowatt hours per 24 h periodTECR total revised daily electrical energy consumption in kilowatt hours per
46、 24 h periodTDA total display area, in square meters (see Annex A)SEC TEC/TDA Specific Daily Electrical Energy Consumption (SEC) for Refrigerated Display Cabinet expressed in kilowatt hours per 24h per square meterstrrrelative or percentage running time:ttttttrrrunrunstoprundeft=+=24wherett trunstop
47、defth+=24ninstant heat extraction rate in kilowatts3.2 Compression-type refrigeration systemsh8, h4specific enthalpy in kilojoules per kilogram, where state at point 8 corresponds to refrig-erant outlet, and state at point 4 to refrigerant inlet, of cabinet7refrigerant temperature at evaporator outl
48、et, in degrees Celsius8refrigerant temperature at cabinet outlet, in degrees Celsius4refrigerant temperature at cabinet inlet, in degrees Celsius2 ISO 2015 All rights reservedBS EN ISO 23953-2:2015ISO 23953-2:2015(E)5refrigerant temperature at evaporator inlet, in degrees Celsiusp8refrigerant pressu
49、re at cabinet outlet, in Pascalsmrunarithmetic average of evaporator-saturated temperature obtained from pressure p8by referring to table of saturation properties for refrigerant in use, during trun, in degrees Celsiusminarithmetic average of evaporator-saturated temperature obtained from pressure p8by referring to table of saturation properties for refrigerant in use, during the last 10 % of all running periods, in degrees CelsiusTmrun= mrun+ 273,15 in Kelvin3.3 Indirect refrigeration-type systemsisecondary refrigerant tempera
