SVENSK STANDARD SS-EN :2016

Transkript

1 SVENSK STANDARD SS-EN :2016 Fastställd/Approved: Publicerad/Published: Utgåva/Edition: 1 Språk/Language: engelska/english ICS: Gaseldade hushållsapparater som producerar varmvatten Del 4: Bedömning av energiförbrukning gaskombinerad uppvärmning och kraftgenerering (mchp) som producerar varmvatten och el Gas-fired domestic appliances producing hot water Part 4: Assessment of energy consumption of gas combined heat and power appliances (mchp) producing hot water and electricity

2 Standarder får världen att fungera SIS (Swedish Standards Institute) är en fristående ideell förening med medlemmar från både privat och offentlig sektor. Vi är en del av det europeiska och globala nätverk som utarbetar internationella standarder. Standarder är dokumenterad kunskap utvecklad av framstående aktörer inom industri, näringsliv och samhälle och befrämjar handel över gränser, bidrar till att processer och produkter blir säkrare samt effektiviserar din verksamhet. Delta och påverka Som medlem i SIS har du möjlighet att påverka framtida standarder inom ditt område på nationell, europeisk och global nivå. Du får samtidigt tillgång till tidig information om utvecklingen inom din bransch. Ta del av det färdiga arbetet Vi erbjuder våra kunder allt som rör standarder och deras tillämpning. Hos oss kan du köpa alla publikationer du behöver allt från enskilda standarder, tekniska rapporter och standardpaket till handböcker och onlinetjänster. Genom vår webbtjänst e-nav får du tillgång till ett lättnavigerat bibliotek där alla standarder som är aktuella för ditt företag finns tillgängliga. Standarder och handböcker är källor till kunskap. Vi säljer dem. Utveckla din kompetens och lyckas bättre i ditt arbete Hos SIS kan du gå öppna eller företagsinterna utbildningar kring innehåll och tillämpning av standarder. Genom vår närhet till den internationella utvecklingen och ISO får du rätt kunskap i rätt tid, direkt från källan. Med vår kunskap om standarders möjligheter hjälper vi våra kunder att skapa verklig nytta och lönsamhet i sina verksamheter. Vill du veta mer om SIS eller hur standarder kan effektivisera din verksamhet är du välkommen in på eller ta kontakt med oss på tel Standards make the world go round SIS (Swedish Standards Institute) is an independent non-profit organisation with members from both the private and public sectors. We are part of the European and global network that draws up international standards. Standards consist of documented knowledge developed by prominent actors within the industry, business world and society. They promote cross-border trade, they help to make processes and products safer and they streamline your organisation. Take part and have influence As a member of SIS you will have the possibility to participate in standardization activities on national, European and global level. The membership in SIS will give you the opportunity to influence future standards and gain access to early stage information about developments within your field. Get to know the finished work We offer our customers everything in connection with standards and their application. You can purchase all the publications you need from us - everything from individual standards, technical reports and standard packages through to manuals and online services. Our web service e-nav gives you access to an easy-to-navigate library where all standards that are relevant to your company are available. Standards and manuals are sources of knowledge. We sell them. Increase understanding and improve perception With SIS you can undergo either shared or in-house training in the content and application of standards. Thanks to our proximity to international development and ISO you receive the right knowledge at the right time, direct from the source. With our knowledge about the potential of standards, we assist our customers in creating tangible benefit and profitability in their organisations. If you want to know more about SIS, or how standards can streamline your organisation, please visit or contact us on phone +46 (0)

3 Europastandarden EN :2016 gäller som svensk standard. Detta dokument innehåller den officiella engelska versionen av EN :2016. The European Standard EN :2016 has the status of a Swedish Standard. This document contains the official English version of EN :2016. Copyright / Upphovsrätten till denna produkt tillhör SIS, Swedish Standards Institute, Stockholm, Sverige. Användningen av denna produkt regleras av slutanvändarlicensen som återfinns i denna produkt, se standardens sista sidor. Copyright SIS, Swedish Standards Institute, Stockholm, Sweden. All rights reserved. The use of this product is governed by the end-user licence for this product. You will find the licence in the end of this document. Upplysningar om sakinnehållet i standarden lämnas av SIS, Swedish Standards Institute, telefon Standarder kan beställas hos SIS Förlag AB som även lämnar allmänna upplysningar om svensk och utländsk standard. Information about the content of the standard is available from the Swedish Standards Institute (SIS), telephone Standards may be ordered from SIS Förlag AB, who can also provide general information about Swedish and foreign standards. Har du synpunkter på innehållet i den här standarden, vill du delta i ett kommande revideringsarbete eller vara med och ta fram andra standarder inom området? Gå in på - där hittar du mer information.

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5 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM EN October 2016 ICS English Version Gas-fired domestic appliances producing hot water - Part 4: Assessment of energy consumption of gas combined heat and power appliances (mchp) producing hot water and electricity Appareils domestiques produisant de l'eau chaude sanitaire utilisant les combustibles gazeux - Partie 4: Évaluation de la consommation énergétique des appareils à gaz de production combinée de chaleur et d'électricité (mchp) produisant de l'eau chaude et de l'électricité Gasbeheizte Geräte für die sanitäre Warmwasserbereitung für den Hausgebrauch - Teil 4: Bewertung des Energieverbrauchs von Gasgeräten mit Kraft-Wärme-Kopplung (Mikro-KWK) zur Warmwasserbereitung und Stromerzeugung This European Standard was approved by CEN on 6 August 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 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 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, 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 and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR 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 :2016 E

6 Contents Page European foreword Scope Normative references Terms and definitions General test conditions Reference conditions Measurement uncertainties Test conditions General Test room Water supply Steady-state Initial adjustment of the appliance Electrical supply Delivered electrical energy Determination of the energy consumption and electrical energy generation of the appliance General Tapping cycles Table 1 Load profile S Table 2 Load profile M Table 3 Load profile L Table 4 Load profile XL Table 5 Load profile XXL Table 6 Load profile 3XL Table 7 Load profile 4XL Measurement of the energy recovered by the useful water Calculation of gas energy Calculation of the daily gas energy consumption in summer mode Calculation of daily gas energy consumption in winter mode Daily gas energy consumption seasonally weighted Calculation of electrical energy Calculation of the delivered electrical energy Figure 1 Electrical measurements Test points Calculation of the produced electrical energy Calculation of electrical auxiliary energy Measurement of energy consumption and production in standby mode General Calculation of daily gas energy consumption in standby mode Calculation of daily auxiliary energy in standby mode Measurement of auxiliaries consumption in off mode

7 6 Determination of the wasted water Eco design Related Product Data Water heating energy efficiency Annual fuel consumption (AFC) Annual electricity delivery (AED) Annex A (informative) Examples of test conditions A.1 Diagrams of test conditions Figure A.1 Initial adjustment of the appliance with storage tank maintained in temperature Figure A.2 Initial adjustment of the appliance without storage tank maintained in temperature Figure A.3 Tapping cycle Test cycle for measurement of the energy consumption of the appliance with storage tank maintained in temperature Figure A.4 Standby mode with control cycles Annex B (informative) Test rig and measurement devices B.1 General Figure B.1 Example of test rig B.2 Pressure measurement Figure B.2 Example of pressure measurement device B.3 Temperature measurement Figure B.3 Example of temperature measurement device Figure B.4 Example of position of thermocouples - Method of surfaces Figure B.5 Useful and delivered flow rates and temperatures Annex C (normative) Test points Figure C.1 Thermal performances for mchp systems with combined storage tank for central heating and domestic hot water Test points Figure C.2 Thermal performances for mchp systems with storage tank for domestic hot water only Test points Annex ZA (informative) Relationship between this European Standard and the requirements of Commission Regulation (EC) n 814/ Table ZA.1 Correspondence between this European Standard and Commission Regulation (EC) n 814/ Annex ZB (informative) Relationship between this European Standard and the requirements of Commission Regulation n 812/ Table ZB.1 Correspondence between this European Standard and Commission Regulation (EC) n 812/ Annex ZC (informative) Relationship between this European Standard and the requirements of Commission Regulation (EU) n 813/ Table ZC.1 Correspondence between this European Standard and Commission Regulation (EC) n 813/ Annex ZD (informative) Relationship between this European Standard and the requirements of Commission Delegated Regulation (EU) n 811/ Table ZD.1 Correspondence between this European Standard and Commission Regulation (EC) n 811/ Bibliography

8 European foreword This document (EN :2016) has been prepared by Technical Committee CEN/TC 109 Central heating boilers using gaseous fuels, the secretariat of which is held by NEN. 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 April 2017, and conflicting national standards shall be withdrawn at the latest by April Attention is drawn to the possibility that some of the elements of this 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, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, B, C or D, which is an integral part of this document. The safety operation of the boiler is not covered by this standard. Safety is proved by means of the essential safety requirements of the Gas Appliances Directive 2009/142/EC. This way be achieved by compliance with the appropriate existing harmonized standards. NOTE Useful standards are EN 26, EN 89, EN , EN , EN and EN 50465:2015. According to the CEN-CENELEC Internal Regulations, 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, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. 4

9 1 Scope This European Standard is applicable to gas-fired mchp appliances producing domestic hot water and electricity. The electricity is generated in a process linked to the production of useful heat. It applies to a mchp appliances marketed as single unit or as a package fully specified by a manufacturer that have: a gas heat input not exceeding 70 kw; an electrical output not exceeding 50 kw and a hot water storage capacity not exceeding 500 l. EN sets out in qualitative and quantitative terms the performance in delivery of domestic hot water for a variety of uses. It also gives a system for presenting the information to the user. The present document sets out a method for assessing the energy performance of gas fired mchp appliances. It defines a number of daily tapping cycles for each domestic hot water use, kitchen, shower, bath and a combination of these, together with corresponding test procedures, enabling the energy performances of different gas-fired appliances to be compared and matched to the needs of the user. When the mchp generator does not supply domestic hot water in the summer period, the present standard is not applicable. EN is used for performance assessment of these generators. 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 applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN , Gas fired domestic appliances producing hot water - Part 1: Assessment of performance of hot water deliveries EN , Gas-fired domestic appliances producing hot water - Part 2: Assessment of energy consumption 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 storage tank reservoir for domestic hot water and or central heating water 3.2 nominal domestic hot water heat input (Q nw) value of the heat input stated in the appliance instructions for the production of domestic hot water Note 1 to entry: Q nw is expressed in kilowatt (kw) 3.3 summer mode conditions during which the appliance supplies energy only for the production of domestic hot water 5

10 3.4 winter mode conditions during which the combination mchp appliance supplies energy for the production of domestic hot water and/or space heating 3.5 domestic water test temperature temperature of the delivered water at which the tests are conducted 3.6 control cycle time cycle for keeping components and/or the storage tank (if any) of the domestic hot water circuit at predetermined temperature level, consisting of an «ON» duration time during which the heating of the domestic hot water (by gas energy and/or auxiliary energy) is operating, and an «OFF» duration time during which no heating occurs 3.7 useful water quantity of water delivered at the tap for which the temperature increase is in accordance with the requirement fixed for each individual delivery of the tapping cycles 3.8 wasted water quantity of water delivered at the tap for which the temperature increase is not in accordance with the requirement fixed for each individual delivery of the tapping cycles 3.9 standby mode operating state in which the appliance can provide domestic hot water at any time Note 1 to entry: In the case of an appliance with a control cycle for keeping components and/or the storage tank (if any) of the domestic hot water circuit at predetermined temperature level no tapping is made off mode state of an appliance, selected by the user, in which domestic hot water cannot be provided 3.11 mchp appliance appliance which is placed on the market either as a complete package or specified as a complete package to deliver safely and effectively the heating, electrical power and the domestic hot water service claimed, comprising as relevant: primary heat and power generator; supplementary heat generator; flue ducts; thermal store 3.12 mchp generator preferential heat and power generator 6

11 3.13 supplementary heat generator non-preferential heat source providing peak load 3.14 power conditioning and control system equipment used to change electrical voltage level and waveform, or otherwise alter or regulate the electrical output of the primary heat and power generator to make it suitable and safe for export to other components within or outside the appliance including controls used to operate the primary heat and power generator such a gas valve, safety controls and internal cooling pumps 3.15 electric auxiliary energy (E Auxiliary) electric energy consumed by the mchp appliance components associated with the supplementary heat generator, thermal management and controls (e.g. pump, fan, valves, control unit) Note 1 to entry: E Auxiliary is expressed in kwh 3.16 produced electrical energy (E CHP) electrical energy produced by the mchp generator Note 1 to entry: E CHP is expressed in kwh 3.17 delivered electrical energy (E delivered) electrical energy delivered by the mchp appliance to the grid Note 1 to entry: E delivered is expressed in kwh 3.18 useful water flow rate flow rate of water delivered at the tap for which the temperature increase is in accordance with the requirement fixed for each individual delivery of the tapping cycles 3.19 useful water temperature water temperature, expressed in degrees Celsius, delivered at the tap 3.20 appliance flow rate flow rate delivered by the appliance before the mixing device, if applicable 3.21 appliance water temperature (T d) water temperature, expressed in degrees Celsius, delivered by the appliance before the mixing device 7