1、November 2016 English price group 20No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 97.130.20!%uu“2588282www.din.de
2、DIN EN 16838Refrigerated display scooping cabinets for gelato Classification, requirements and test conditions;English version EN 16838:2016,English translation of DIN EN 16838:2016-11Verkaufskhlmbel fr Speiseeis Klassifizierung, Anforderungen und Prfbedingungen;Englische Fassung EN 16838:2016,Engli
3、sche bersetzung von DIN EN 16838:2016-11Vitrines rfrigres de vente de glace Classification, exigences et conditions dessai;Version anglaise EN 16838:2016,Traduction anglaise de DIN EN 16838:2016-11www.beuth.deDocument comprises 51 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-
4、language original shall be considered authoritative.11.16 DIN EN 16838:2016-11 2 A comma is used as the decimal marker. National foreword This document (EN 16838:2016) has been prepared by Technical Committee CEN/TC 44 “Commercial and Professional Refrigerating Appliances and Systems, Performance an
5、d Energy Consumption (Secretariat: UNI, Italy). The responsible German body involved in its preparation was DIN-Normenausschuss Kltetechnik (DIN Standards Committee Refrigeration Technology), Working Committee NA 044-00-07 AA Gewerbe- und Verkaufskhlmbel. EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE
6、 NORM EN 16838 July 2016 ICS 97.130.20 English Version Refrigerated display scooping cabinets for gelato - Classification, requirements and test conditions Vitrines rfrigres de vente de glace - Classification, exigences et conditions dessai Verkaufskhlmbel fr Speiseeis - Klassifizierung, Anforderung
7、en und Prfbedingungen This European Standard was approved by CEN on 29 May 2016. 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 alteration. Up-to-date lists and b
8、ibliographical 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 translation under the res
9、ponsibility 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, Finland, Former Yugoslav R
10、epublic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NO
11、RMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16838:2016 E2 Contents Page European foreword . 5 1 Scope 6 2 Normativ
12、e references 6 3 Terms and definitions . 6 4 Symbols and abbreviations . 7 5 Requirements . 8 5.1 Construction 8 5.1.1 General 8 5.1.2 Materials . 9 5.1.3 Refrigerating system 9 5.1.4 Electrical components . 9 5.1.5 Temperature display 10 5.2 Operating characteristics 10 5.2.1 Absence of odour and t
13、aste. 10 5.2.2 Classification according to temperature . 11 Table 1 Temperature classes 11 Figure 1 Relevant temperature curves of M-Test gelato tubs . 12 5.2.3 Defrosting . 13 5.2.4 Water vapour condensation . 13 5.2.5 Energy consumption . 13 5.2.6 Specific Energy Consumption 13 6 Test condition 13
14、 6.1 General . 13 Table 2 Test summary . 13 6.2 Tests outside test room 14 Table 3 Examples of gelato tubs dimensions 14 6.3 Tests inside test room 14 6.3.1 General . 14 6.3.2 Test room General design, walls, floor and radiant heat . 15 Table 4 Climate classes . 16 Figure 2 Climate measuring point f
15、or gelato scooping cabinets 17 Table 5 Ingredients of the reference test mixture 17 Figure 3 Positioning of the measuring probes . 18 Table 6 Temperature and specific enthalpy of filler test gelato tub 19 Table 7 Temperature and increase in specific enthalpy of filler test gelato tubs . 19 Figure 4
16、Thermal characteristics of filler test gelato tubs . 20 6.3.3 Preparation of test Gelato scooping cabinet and general test procedures . 20 Figure 5 Gelato scooping cabinet position . 22 Figure 6 Position of M-test gelato tubs in the display section 22 EN 16838:2016 (E) DIN EN 16838:2016-11 3 Figure
17、7 Position of M-test gelato tubs in the storage section . 23 6.3.4 Temperature test 24 Figure 8 Warmest M-test gelato tub temperatures (curve a) Coldest M-test gelato tub temperatures (curve b) 26 Figure 9 Arithmetic mean temperature of M- test gelato tubs (curve d) 27 6.3.5 Water vapour condensatio
18、n test . 27 Figure 10 Condensation code 28 6.3.6 Electrical energy consumption test 29 6.3.7 Heat extraction rate measurement when condensing unit is remote from Gelato scooping cabinet . 29 Figure 11 Gelato scooping cabinets intended for connection to compression-type refrigerating systems 32 Figur
19、e 12 Refrigeration cycle Constant evaporating pressure No cycling . 35 Figure 13 Refrigeration cycle Cycling including pump down 36 7 Test report 36 7.1 General . 36 7.2 Tests outside test room 36 Table 8 Linear dimensions, areas and volumes . 37 7.3 Tests inside test room . 37 7.3.1 General test co
20、nditions . 37 Table 9 Conditions for tests inside test room 37 7.3.2 Cabinet preparation. 37 Table 10 Gelato scooping Cabinet preparation for tests inside test room . 37 7.3.3 Temperature test 38 Table 11 Temperature test for tests inside test room . 38 7.3.4 Water vapour condensation test . 38 Tabl
21、e 12 Water vapour condensation test . 38 7.3.5 Electrical energy consumption test 39 Table 13 Electrical energy consumption test 39 7.3.6 Heat extraction rate measurement when the condensing unit is remote from the Gelato scooping cabinet 39 Table 14 Heat extraction rate measurement when the condens
22、ing unit is remote from the Gelato scooping cabinet 40 8 Marking 40 8.1 Marking plate . 40 8.2 Information to be supplied by the manufacturer . 41 Annex A (informative) Test for absence of odour and taste . 43 A.1 Preparation and testing . 43 A.1.1 Ambient temperature . 43 A.1.2 Cleaning 43 A.1.3 Th
23、ermostat setting . 43 A.1.4 Samples 43 A.1.5 Test period 43 EN 16838:2016 (E) DIN EN 16838:2016-11 4 A.2 Examination of samples . 44 A.2.1 Conditions . 44 A.2.2 Evaluation . 44 Annex B (normative) Data requirements for performance and energy rating of gelato scooping cabinets . 45 B.1 Scope . 45 B.2
24、 Terms and definitions 45 Table B.1 Designation of Gelato scooping cabinet families . 46 B.3 Data Requirements for rating of gelato Scooping Cabinets with incorporated condensing unit 46 B.3.1 General . 46 B.3.2 Evaluation of DEC . 46 B.3.3 Evaluation of FEC 47 B.3.4 Evaluation of LEC 47 B.3.5 Evalu
25、ation of AEC . 47 B.3.6 Evaluation of DFEC . 47 B.3.7 Evaluation of PEC 48 B.3.8 Other Electric Energy Consumption 48 B.3.9 Alternate Components - Effect on DEC 48 B.4 Data Requirements for rating of gelato Scooping Cabinets with remote condensing unit 48 B.4.1 General . 48 Bibliography . 49 EN 1683
26、8:2016 (E) DIN EN 16838:2016-11 5 European foreword This document (EN 16838:2016) has been prepared by Technical Committee CEN/TC 44 “Commercial and Professional Refrigerating Appliances and Systems, Performance and Energy Consumption”, the secretariat of which is held by UNI. This European Standard
27、 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2017, and conflicting national standards shall be withdrawn at the latest by January 2017. Attention is drawn to the possibility that some of the elements of this
28、 document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. According to the CEN-CENELEC Internal Regul
29、ations, the national standards organisations of the following 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, It
30、aly, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. EN 16838:2016 (E) DIN EN 16838:2016-11 6 1 Scope This European Standard specifies requirements for the construction, characteristi
31、cs and performance of refrigerated display scooping cabinets for gelato used to sale and display artisan and self made gelato, hereafter called “gelato scooping cabinets”. It specifies test conditions and methods for checking that the requirements have been satisfied, as well as classification of th
32、e cabinets, their marking and the list of their characteristics to be declared by the manufacturer. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited
33、 applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 60335-1, Household and similar electrical appliances Safety Part 1: General requirements (IEC 60335-1) EN 60335-2-89, Household and similar electrical appliances - Safety - Part 2-8
34、9: Particular requirements for commercial refrigerating appliances with an incorporated or remote refrigerant condensing unit or compressor ISO 5149-2, Refrigerating systems and heat pumps Safety and environmental requirements Part 2: Design, construction, testing, marking and documentation 3 Terms
35、and definitions For the purposes of this document, the following terms and definitions apply. 3.1 gelato scooping cabinets cabinet cooled by a refrigerating system which enables, to store, to display and to scoop artisan and self made gelato contained in tubs, within prescribed temperature limits No
36、te 1 to entry: Artisan and self made gelato are hereafter called “gelato”. 3.2 storage section non-visible part of the gelato scooping cabinet used only to store the product, separated from the display volume and with a different access 3.3 display section visible part of the gelato scooping cabinet
37、 used only to display and to scoop the product 3.4 covers sliding door or night curtain or swivel panes 3.5 gelato Tub container intended to store gelato EN 16838:2016 (E) DIN EN 16838:2016-11 7 3.6 net volume volume containing gelato within the top edge of the tub 3.7 top display area of GelatoTub
38、area delimited by the external perimeter of a gelato tub open side 3.8 front display area of GelatoTub area delimited by the external perimeter of a gelato tub front side 3.9 total net volume net volume of the storage section 3.10 total display area TDA sum of the top area and the front display area
39、 of each visible gelato tubs 4 Symbols and abbreviations trunrunning time time during which compressor is running (or solenoid valve is open), within 24 h, expressed in hours tstopstopping time time during which compressor is not running (or solenoid valve is closed) within 24 h and excluding defros
40、t time, expressed in hours tdeftdefrost time time during which compressor is running and hot gas solenoid valve is open (or reverse cycle valve is open) qmmass flow rate of liquid refrigerant in kilograms per second t time between two consecutive measuring samples, in hours Nmaxnumber of measuring s
41、amples in 24 h ndeftnumber of defrosts during 24 h DEC direct electrical energy consumption, in kilowatt hours per 24 h period RECRCrefrigeration electrical energy consumption, in kilowatt hours per 24 h period, for remote gelato scooping cabinet for compression-type refrigerating system TEC total e
42、nergy consumption in kilowatt hours per 24 h period TDA total display area, in square meters TEC/TDA Specific Energy Consumption (SEC) for Gelato scooping cabinet expressed in kilowatt hours per 24 h per square meters trrrelative or percentage running time: deftrunstoprunrunrrtttttt=+=24(1) EN 16838
43、:2016 (E) DIN EN 16838:2016-11 8 where 24tt t+=run stop defth ninstant heat extraction rate in kilowatts h8, h4specific enthalpy in kilojoules per kilogram, where state in Figure 11 corresponds to refrigerant outlet, and state in Figure 12 to refrigerant inlet, of Gelato scooping cabinet 7 refrigera
44、nt temperature at evaporator outlet, in degrees Celsius 8 refrigerant temperature at the Gelato scooping cabinet outlet, in degrees Celsius 4refrigerant temperature at the Gelato scooping cabinet inlet, in degrees Celsius 5 refrigerant temperature at evaporator inlet, in degrees Celsius p8refrigeran
45、t pressure at the Gelato scooping cabinet outlet, in Pascals mrunarithmetic average of evaporator-saturated temperature obtained from pressure p8by referring to table of saturation properties for refrigerant in use during trun, in degrees Celsius minarithmetic average of evaporator-saturated tempera
46、ture obtained from pressure p8by referring to table of saturation properties for refrigerant in use during the last 10 % of all running periods, in degrees Celsius Tmrun= mrun+ 273,15 in Kelvin 5 Requirements 5.1 Construction 5.1.1 General 5.1.1.1 Strength and rigidity The Gelato scooping cabinet an
47、d its parts shall be constructed with adequate strength and rigidity for normal conditions of handling, transport and use and attention shall be given to the following: 1) interior fittings, including shelves, baskets, rails, etc. and their supports, shall be sufficiently strong for the duty require
48、d; 2) where sliding shelves, baskets, trays or drawers are fitted they shall retain their shape and ease of movement when fully loaded; 3) any fitments which are provided with stops to prevent accidental removal shall be self-supporting when fully loaded and withdrawn to the limit of the stops. 5.1.
49、1.2 Pipes and connections Pipes and connections to moving or resiliently mounted parts shall be arranged so as not to foul or transmit harmful vibrations to other parts. All other pipes and connections shall be securely anchored and sufficient free length and/or vibration eliminators shall be provided to prevent failure due to fatigue. Where necessary, pipes and valves shall be adequately
