1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 1458-2:2011Domestic direct gas-firedtumble dryers of types B22Dand B23D, of nominal heatinput not exceeding 6 kWPart 2: Rational use of energyBS EN 1458-2:2011 BRITISH STAN
2、DARDNational forewordThis British Standard is the UK implementation of EN 1458-2:2011. Itsupersedes BS EN 1458-2:1999 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee GSE/37, Gas fired sorption and laundering appliances.A list of organizations represente
3、d on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0 580 73764 0ICS 97.060Compliance with a British Standard cannot confer immunity f
4、romlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 November 2011.Amendments issued since publicationDate Text affectedBS EN 1458-2:2011EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1458-2 November 2011 ICS 97.060 Su
5、persedes EN 1458-2:1999English Version Domestic direct gas-fired tumble dryers of types B22D and B23D, of nominal heat input not exceeding 6 kW - Part 2: Rational use of energy Sche-linge domestiques tambour rotatif chauffage direct utilisant les combustibles gazeux, de type B22D et B23D, de dbit ca
6、lorifique nominal ne dpassant pas 6 kW - Partie 2: Utilisation rationnelle de lnergie Direkt gasbeheizte Haushalts-Trommeltrockner der Typen B22D und B23D mit Nennwrmebelastungen nicht ber 6 kW - Teil 2: Rationelle Energieverwendung This European Standard was approved by CEN on 25 September 2011. CE
7、N 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 app
8、lication 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 responsibility of a CEN member into its own language and notified to the CEN-CENELEC M
9、anagement 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Net
10、herlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitatio
11、n in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1458-2:2011: EBS EN 1458-2:2011EN 1458-2:2011 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Terms and definitions .44 Energy consumption .44.1 Requirements .44.2 Method of test 54.2.1 General t
12、est conditions .54.2.2 Determination of gas energy consumption 5Bibliography 6BS EN 1458-2:2011EN 1458-2:2011 (E) 3 Foreword This document (EN 1458-2:2011) has been prepared by Technical Committee CEN/TC 299 “Gas-fired sorption appliances, indirect fired sorption appliances, gas-fired endothermic en
13、gine heat pumps and domestic gas-fired washing and drying appliances”, the secretariat of which is held by UNI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2012, and conflicting national s
14、tandards shall be withdrawn at the latest by May 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 145
15、8-2:1999. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). The main purpose of this edition is to align the method of test more closely with that given in the equiv
16、alent electrical appliance standard, EN 61121. The Directive makes no specification in respect of the maximum rating of appliances falling within its scope. However, the scope of this standard has been limited to appliances having heat inputs not greater than 6 kW. The test gases, test pressures and
17、 appliance categories given in this European Standard are in accordance with those specified in EN 437:2003+A1:2009. The first part of the standard specifies the requirements and test methods for the construction, safety, marking and testing of the appliances. The second part of the standard specifi
18、es the requirements for rational use of energy and a method of measuring the gas and electrical energy consumptions which enables comparison of gas and electrical Tumble dryers. This standard covers type testing only. According to the CEN/CENELEC Internal Regulations, the national standards organiza
19、tions of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portug
20、al, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 1458-2:2011EN 1458-2:2011 (E) 4 1 Scope This European Standard specifies the requirements and test methods for rational use of energy, including measurement of both gas and electrical energy consumption, of dom
21、estic direct gas-fired tumble dryers, of types B22Dand B23D, of nominal heat input not exceeding 6 kW, hereafter referred to as “appliances“. This European Standard does not apply to: a) catalytic combustion appliances; b) appliances designed exclusively for industrial purposes; c) appliances intend
22、ed to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere; d) appliances of the condensing type wherein the heated air and products of combustion used for the drying process are dehumidified by cooling with water or air; e) appliances in
23、tended to be used in vehicles or on board ships or aircraft. This European Standard covers type testing only. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references
24、, the latest edition of the referenced document (including any amendments) applies. EN 1458-1:2011, Domestic direct gas-fired tumble dryers, of types B22D and B23D, of nominal heat input not exceeding 6 kW Part 1: Safety EN 61121, Tumble dryers for household use Methods for measuring the performance
25、 (IEC 61121,modified) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 1458-1:2011 apply. 4 Energy consumption 4.1 Requirements The gas and electrical energy consumptions of the appliance shall be determined in kW/h in accordance with the method of tes
26、t given in 4.2. The gas energy consumption of the appliance shall be recorded separately from the electrical energy consumption. The appliance shall have a gas energy consumption (based on gross calorific value) not exceeding 1,11 kWh/kg of standard load. BS EN 1458-2:2011EN 1458-2:2011 (E) 5 4.2 Me
27、thod of test 4.2.1 General test conditions The electrical energy consumption shall be measured in accordance with EN 61121 and the energy consumption recorded in kWh. The volume of gas utilised during this test is measured with a gas meter and the gas energy consumption (in kW/h) determined as descr
28、ibed in 4.2.2. The tests shall be carried out with all reference gases according to the category of the appliance (see EN 1458-1:2011). 4.2.2 Determination of gas energy consumption The gas energy consumption, Eg, is determined in kW/h using the following equation: Eg= sc0,278 HV (1) where Vcis the
29、volume of dry gas consumed, corrected to reference conditions (15 C and 1 013,25 mbar), in cubic metres; Hs is the gross calorific value of the dry test gas under reference conditions (15 C and 1 013,25 mbar), in megajoule per cubic metre. NOTE Where the test gas G 20 has a methane content of less t
30、han 99,5 % care should be taken to ensure that the calorific value of this gas is known and used in the above equation. Vcis determined from the measured volume, by the following equation: Vc= Vmes 013,251wappp + g273,15288,15t+(2) where Vmesis the measured gas volume, in cubic metres; pais the atmo
31、spheric pressure, in millibars; p is the gas supply pressure measured at the same point as that used in the heat input determination, in millibars; pwis the partial vapour pressure, in millibars; tgis the gas temperature measured at the same point as that used in the heat input determination, in deg
32、rees Celsius. BS EN 1458-2:2011EN 1458-2:2011 (E) 6 Bibliography 1 EN 60456:2005, Clothes washing machines for household use Methods for measuring the performance (IEC 60456:2003, modified) 2 EN 60734:2003, Household electrical appliances Performance Hard water for testing (IEC 60734:2001) 3 EN ISO
33、139:2005, Textiles Standard atmospheres for conditioning and testing (ISO 139:2005) This page deliberately left blankBSI is the independent national body responsible for preparing British Standardsand other standards-related publications, information and services. It presents the UK view on standard
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