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EN 50193-1-2016 en Electric instantaneous water heaters - Methods for measuring the Performance - Part 1 General requirements.pdf

1、BS EN 50193-1:2016Electric instantaneous waterheaters Methods formeasuring the PerformancePart 1: General requirementsBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 50193-1:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of

2、 EN 50193-1:2016. It supersedes BS EN 50193-1:2013 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee CPL/59, Performance of household electrical appliances.A list of organizations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.

3、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 2016ISBN 978 0 580 92401 9 ICS 91.140.65 Compliance with a British Standard cannot con

4、fer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 50193-1:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM E

5、N 50193-1 July 2016 ICS 91.140.65 Supersedes EN 50193-1:2013 English Version Electric instantaneous water heaters - Methods for measuring the Performance - Part 1: General requirements Chauffe-eau lectriques instantans - Partie 1: Exigences gnrales Elektro-Durchfluss-Wassererwrmer - Prfverfahren zur

6、 Messung der Gebrauchseigenschaften - Teil 1: Allgemeine Anforderungen This European Standard was approved by CENELEC on 2016-05-23. 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

7、 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 ver

8、sion 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

9、, 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

10、, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CENELEC All rights of exploitation in any fo

11、rm and by any means reserved worldwide for CENELEC Members. Ref. No. EN 50193-1:2016 E BS EN 50193-1:2016Contents European foreword . 3 1 Scope . 4 2 Normative references . 4 3 Terms and definitions . 4 4 General test conditions 6 4.1 Measurement Equipment . 6 4.2 Number of appliances to be tested 6

12、 4.3 General conditions . 6 4.4 Test setup . 7 5 Energy efficiency 7 5.1 Test methods 7 5.1.1 General 7 5.1.2 Static efficiency . 7 5.1.3 Start-up losses 8 5.1.4 Determination of the smart control factor SCF . 8 5.1.5 Determination of smart control compliance . 9 5.2 Calculation methods . 9 5.2.1 Ge

13、neral 9 5.2.2 Daily energy demand 9 5.2.3 Correction factor 9 5.2.4 Energy efficiency . 9 5.2.5 Annual electricity consumption . 10 Annex A (informative) Load pattern . 11 Annex B (normative) Test setup 15 Annex C (informative) Alternative test methods under development 19 C.1 General . 19 C.2 Annua

14、l energy consumption . 19 Annex ZZA (informative) Relationship between this European Standard and the energy labelling requirements of Commission Delegated Regulation (EU) No 812/2013 aimed to be covered . 21 Annex ZZB (informative) Relationship between this European Standard and the ecodesign requi

15、rements of Commission Regulation (EU) No 814/2013 aimed to be covered . 22 Bibliography 23 EN 50193-1:2016BS EN 50193-1:2016European foreword This document (EN 50193-1:2016) has been prepared by CLC/TC 59X “Performance of household and similar electrical appliances“. The following dates are fixed: l

16、atest date by which this document has to beimplemented at national level by publication ofan identical national standard or byendorsement(dop) 2017-05-23 latest date by which the national standardsconflicting with this document have tobe withdrawn(dow) 2019-05-23 This document supersedes EN 50193-1:

17、2013. EN 50193-1:2016 includes the following significant technical changes with respect to EN 50193-1:2013: Alignment of the terms and formulas with those detailed in Commission communication in the framework of the implementation of Commission Regulation (EU) No 814/2013 implementing Directive 2009

18、/125/EC of the European Parliament and of the Council with regard to ecodesign requirements for water heaters and hot water storage tanks and of Commission Delegated Regulation (EU) No 812/2013 supplementing Directive 2010/30/EU of the European Parliament and of the Council with regard to the energy

19、 labelling of water heaters, hot water storage tanks and packages of water heater and solar device (2014/C 207/03). Clarification of the Smart Control Factor and the issues surrounding its application for Electric Instantaneous Water Heaters. Updates to the references and bibliography. Addition of a

20、n informative annex for alternative test methods under development. Addition of Annexes ZZA and ZZB. 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 re

21、lationship with EU Directive(s) see informative Annex ZZA and ZZB, which are integral parts of this document. EN 50193-1:2016BS EN 50193-1:20161 Scope This European Standard applies to electric instantaneous water heaters for domestic hot water heating for household and similar applications, which s

22、how both of the following characteristics: fulfilling at least one load pattern from Annex A; heating up to temperatures below the boiling temperature.This European Standard specifies terms, definitions and measurement methods for the assessment of energy efficiency. This European Standard does not

23、take into account requirements regarding the safety of the appliances. 2 Normative references The following documents, in whole or in part, are normatively reference in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated referenc

24、es, the latest edition of the referenced document (including any amendments) applies. EN 22768-1, General tolerances - Part 1: Tolerances for linear and angular dimensions without individual tolerance indications (ISO 2768-1) EN ISO 228-1, Pipe threads where pressure-tight joints are not made on the

25、 threads - Part 1: Dimensions, tolerances and designation (ISO 228-1) 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 instantaneous water heater appliance intended to heat water while it flows through the appliance 3.1.1 electric instantaneou

26、s water heater electric powered instantaneous water heater 3.1.2 closed instantaneous water heater instantaneous water heater intended to operate at the pressure of the water system, the flow of water being controlled by one or more valves in the outlet system 3.1.3 open-outlet instantaneous water h

27、eater instantaneous water heater in which the flow of water is controlled by a valve in the inlet pipe, there being no valve in the outlet pipe 3.1.4 hydraulic instantaneous water heater instantaneous water heater each of whose heating elements are switched on or off, depending on the water flow rat

28、e or water pressure 3.2 temperature selector actuator which presets the temperature set point value of the water outlet and which can be adjusted by the user EN 50193-1:2016BS EN 50193-1:20163.3 temperature control actuator which adjusts the temperature of the outlet water by means of varying the fl

29、ow of water through the appliance or by varying the power applied to the heater(s) or by a combination of the two 3.4 independent flow control actuator which adjusts the flow of water through the appliance with no significant change in the outlet water temperature 3.5 flow regulator actuator which l

30、imits the flow of water through the appliance regardless of variations in line pressure 3.6 flow restrictor device which defines a flow of water through the appliance for a set pressure 3.7 power selector actuator which presets electrical power of the unit and which can be adjusted by the user Note

31、1 to entry: The water outlet temperature depends on flow rate and/or inlet temperature. 3.8 load profile/load pattern a means of illustrating the power consumption of an instantaneous water heater over a 24 hour period 3.9 smart control a system that can demonstrate a reduction in energy consumption

32、 3.10 useable water water at or above the temperature Tmfor the relevant draw-off and load pattern specified in the tables of Annex A EN 50193-1:2016BS EN 50193-1:20164 General test conditions 4.1 Measurement Equipment The table below gives the accuracy of measurement equipment. Table 1 Measurement

33、Equipment Accuracy Measurement parameters Unit Measurement uncertainty (accuracy) Remarks Ambient temperature C/K 1 K 5) Time s 0,1 s 2) Cold inlet water temperature C/K 0,2 K 2) 101) Hot outlet water temperature C/K 1 K 1) 2) Water flow rate l/min 0,1 l/min or 1% 2) 4) Water pressure Mpa 5 % 3) inp

34、ut power kW 1 % 2) Input power W 1 % 5) Voltage V 0,5 % 2) Current A 0,5 % 2) 1) Thermocouple with a diameter of maximum 0,5 mm, in midstream, positioned directly at the outlet and inlet of the appliance. 2) The measured values shall be expressed rounded to one decimal place. 3) The measured values

35、shall be expressed rounded to three decimal places. 4) Whichever is higher 5) The measured values shall be expressed rounded to integer. 101) The cold water temperature Tcoldshall be 15C5Kfor the performance tests according to clause 102ff (EN 50193-2-1). 4.2 Number of appliances to be tested The te

36、sts shall be performed on the same appliance. 4.3 General conditions Unless otherwise specified, the appliance shall be installed, commissioned and operated in accordance with the information provided in the installation and operating instructions. Commissioning procedures shall be repeated followin

37、g a supply voltage interruption, if required by the installation and operating instructions. The supply voltage shall be maintained at the main terminal at 230 V 1 % or at 400 V 1 % as defined by the manufacturers installation guide, while the heating elements are switched on. The supply frequency s

38、hall be at a nominal 50 Hz 1 %. The measured voltage and frequency of the power supply used during testing shall be reported. The tests shall be carried out in a draft free environment at an ambient temperature of 20C 5C. The environment shall not deviate by more than 2K during the test period. The

39、flow rates provided to the appliance for the test shall be maintained within a tolerance of 0.3l/min or 3% whichever is higher but shall be not be below the minimum required for the individual draw-off. The flow rates supplied during the test shall be reported. EN 50193-1:2016BS EN 50193-1:2016Unles

40、s otherwise specified cold inlet water temperature shall be 10 C 1 C 4.4 Test setup The appliance shall be installed in accordance with the installation instructions. The load pattern should be chosen according to manufacturer classification. The load profile selected can be the maximum or one below

41、 the maximum load profile the water heater can fulfil. The measurement setup shall correspond to Annex B. 5 Energy efficiency 5.1 Test methods 5.1.1 General The following tests are required to enable the values of elecQ , Qcorand AEC to be calculated using the formulas described in 5.2 for a chosen

42、tapping pattern as defined in Annex A. Losses resulting during idling are not taken into account. 5.1.2 Static efficiency This test shall measure the static loss of the appliance Plossat nominal load Pnomunder steady state conditions. If the appliance has a power selector, the selector should be adj

43、usted to the highest value. If the appliance has an independent flow control, it shall be adjusted to achieve the value stated in the manufacturers installation instructions, or where this is not stated, it shall be set to the highest value. If the appliance has a temperature control, the selector s

44、hall be adjusted to the highest value. For the purpose of this test result is independent from the water inlet temperature; therefore this test can be carried out with a cold water inlet temperature in the range of 10 to 25C. The inlet water temperature and flow rate must be such that the appliance

45、is caused to operate at full power continuously. The value of Pnomis the power consumption of the appliance measured after a minimum of 30 minutes of operation under full load conditions. The value of Plossis the sum of all internal power losses (product of current and voltage losses between the ter

46、minals and the heating elements) of the appliance measured after a minimum of 30 minutes of operation under full load conditions. For instantaneous water heaters with semiconductor power switches (e.g Triacs) the voltage across the semiconductor power terminals is subtracted from the measured voltag

47、e losses, if the semiconductor power switches are thermally connected to the water pipe. In this case, the heat developed by the semiconductor power switches is transferred to useful energy to heat up the water. The static efficiency is calculated from the formula: nom lossstaticnomPPP= where Pnomno

48、minal power consumption of the appliance in kW Plossmeasured internal static losses of the appliance in kW staticstatic efficiency of the appliance as a factor EN 50193-1:2016BS EN 50193-1:20165.1.3 Start-up losses This test shall measure the time istartt which elapses between energizing the heating

49、 elements and the delivery of useable water and the power consumption istaticP of the appliance at steady state during the delivery of useable water for each different draw-off of the chosen load pattern of Annex A. The test method assumes the power consumption of the appliance during the start-up period is equal to the power consumed in steady state conditions of the appliance for the specific draw-off i. If the appliance has a power selector, the selector should be adjusted to the highest value. If th

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