Heating boilers - Electrical power consumption for heat generators - System boundaries - Measurements

This European Standard applies to heating boilers (e.g. with forced-draught burners (unit)) and burners equipped with a fan including all components specified by the manufacturer to be required for the designed boiler operation.
This European Standard also applies to heating boilers sold without burners.
This European Standard covers the required definitions, the system boundaries, the measurements for the determination of the electrical power consumption and, where applicable, the water side resistance in order to establish the electric auxiliary energy for:
   Oil-fired forced-draught burners in accordance with EN 267;
   Automatic forced-draught burners for gaseous fuels in accordance with EN 676;
   Flued oil stoves with vaporizing burners in accordance with EN 1;
   Heating boilers sold without burners for:
   Oil-fired forced-draught burners in accordance with EN 303-1 [6], EN 303-2 [7] and EN 304;
   Condensing boilers for liquid fuels in accordance with EN 15034;
   Room sealed boilers for fuel oil in accordance with EN 15035;
   Heating boilers - Heating boilers with forced-draught burners - Nominal heat output not exceeding 10 MW and maximum operating temperature of 110 °C in accordance with EN 14394;
   Pellet burners for small heating boilers in accordance with EN 15270.
NOTE   All measurements for boilers are carried out in the heating mode only. For hot water production this mode is also relevant.

Heizkessel - Elektrische Leistungsaufnahme für Wärmeerzeuger - Systemgrenzen - Messungen

Diese Europäische Norm gilt für Heizkessel [z. B. mit Gebläsebrenner (Einheit)] und Brenner, die mit einem Gebläse ausgestattet sind einschließlich sämtlicher Bauteile, die vom Hersteller für den vorgesehenen Betrieb des Kessels festgelegt sind.
Diese Europäische Norm gilt auch für Heizkessel, die ohne Brenner verkauft werden.
Diese Europäische Norm behandelt die erforderlichen Definitionen, die Systemgrenzen, die Messungen zur Bestim¬mung der elektrischen Leistungsaufnahme und, wo zutreffend, den wasserseitigen Widerstand zur Bereit¬stellung der elektrischen Hilfsenergie für:
   ölbefeuerte Gebläsebrenner nach EN 267;
   automatische Brenner mit Gebläse für gasförmige Brennstoffe nach EN 676;
   Ölheizöfen mit Verdampfungsbrennern nach EN 1;
   Heizkessel, die ohne Brenner verkauft werden, für:
   ölbefeuerte Gebläsebrenner nach EN 303-1 [6], EN 303-2 [7] und EN 304;
   Brennwertkessel für flüssige Brennstoffe nach EN 15034;
   von der Raumluft unabhängige Kessel für Heizöl nach EN 15035;
   Heizkessel  Heizkessel mit Gebläsebrenner  Nennwärmeleistung nicht größer als 10 MW und mit einer maximalen Betriebstemperatur von 110 °C nach EN 14394;
   Pelletbrenner für kleine Heizkessel nach EN 15270.
ANMERKUNG   Sämtliche Messungen an Kesseln werden ausschließlich in der Heizbetriebsart durchgeführt. Diese Betriebsart ist auch bei der Warmwasserbereitung relevant.

Chaudières de chauffage - Puissance électrique des générateurs de chaleur - Limites du système - Mesurages

La présente Norme européenne s’applique aux chaudières de chauffage (par exemple avec brûleurs à air
soufflé (unités)) et aux brûleurs à air soufflé, y compris tous les composants que le fabricant estime
nécessaires pour le fonctionnement prévu de la chaudière.
La présente Norme européenne s’applique également aux chaudières de chauffage livrées sans brûleur.
La présente Norme européenne couvre les définitions, les limites du système, les mesurages permettant de
déterminer la puissance électrique et, le cas échéant, les pertes de charge du circuit hydraulique, afin d’établir
l’énergie électrique auxiliaire pour :
- brûleurs à fioul à air soufflé selon l’EN 267 ;
- brûleurs automatiques à air soufflé pour combustibles gazeux selon l’EN 676 ;
- poêles à combustible liquide avec brûleurs à vaporisation selon l’EN 1 ;
- chaudières de chauffage livrées sans brûleur pour :
- brûleurs à fioul à air soufflé selon l’EN 303-1 [6], l’EN 303-2 [7] et l’EN 304 ;
- chaudières de chauffage fioul à condensation selon l’EN 15034 ;
- chaudières de chauffage au fioul étanches selon l’EN 15035 ;
- chaudières de chauffage - chaudières de chauffage avec brûleurs à air soufflé - puissance calorifique
nominale n’excédant pas 10 MW et température maximale de service de 110 °C, conformément à
l’EN 14394 ;
- brûleurs à granulés pour petites chaudières de chauffage selon l’EN 15270.
NOTE Tous les mesurages sur les chaudières sont effectués en mode chauffage uniquement. Ce mode convient
également pour la production d’eau chaude.

Kotli za gretje - Poraba elektrike v generatorjih toplote - Sistemske meje - Meritve

General Information

Status
Withdrawn
Publication Date
30-Jul-2008
Withdrawal Date
30-Oct-2008
Current Stage
9093 - Decision to confirm - Review Enquiry
Completion Date
10-Aug-2018

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Kotli za gretje - Poraba elektrike v generatorjih toplote - Sistemske meje - MeritveHeizkessel - Elektrische Leistungsaufnahme für Wärmeerzeuger - Systemgrenzen - MessungenChaudieres de chauffage - Consommation de puissance électrique des générateurs de chaleur - Limites du systeme - MesuragesHeating boilers - Electrical power consumption for heat generators - System boundaries - Measurements91.140.10Sistemi centralnega ogrevanjaCentral heating systems27.060.30Grelniki vode in prenosniki toploteBoilers and heat exchangersICS:Ta slovenski standard je istoveten z:EN 15456:2008SIST EN 15456:2008en,fr,de01-november-2008SIST EN 15456:2008SLOVENSKI

STANDARD
SIST EN 15456:2008

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 15456April 2008ICS 91.140.10 English VersionHeating boilers - Electrical power consumption for heatgenerators - System boundaries - MeasurementsChaudières de chauffage - Puissance électrique desgénérateurs de chaleur - Limites du système - MesuragesHeizkessel - Elektrische Leistungsaufnahme fürWärmeerzeuger - Systemgrenzen - MessungenThis European Standard was approved by CEN on 29 February 2008.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN 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 translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36

B-1050 Brussels© 2008 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15456:2008: ESIST EN 15456:2008

EN 15456:2008 (E) 2 Contents Page Foreword..............................................................................................................................................................3 Introduction.........................................................................................................................................................4 1 Scope......................................................................................................................................................5 2 Normative references............................................................................................................................5 3 Terms and definitions...........................................................................................................................6 4 System boundaries for measurements...............................................................................................8 4.1 General....................................................................................................................................................8 4.2 System with circulator (pump) for heat generation...........................................................................8 4.3 System with a single circulator (pump) for heat generation and heat distribution........................9 4.4 System without any circulator (pump)................................................................................................9 4.5 Burner.....................................................................................................................................................9 5 Measurement..........................................................................................................................................9 5.1 Heating boiler.........................................................................................................................................9 5.1.1 Setting of the heating boiler.................................................................................................................9 5.1.2 Determination of the water side resistance......................................................................................10 5.1.3 Measurement modes...........................................................................................................................10 5.2 Forced-draught burners......................................................................................................................10 5.3 Pellet burner.........................................................................................................................................11 5.4 Oil stoves..............................................................................................................................................11 5.5 Determination of the water side resistance......................................................................................11 5.6 Test report and documentation..........................................................................................................11 Annex A (normative)

Test report....................................................................................................................12 A.1 Summary...............................................................................................................................................12 A.2 Testing the electrical power consumption Paux................................................................................13 Annex B (informative)

Determination of the water side resistance............................................................15 B.1 Operating conditions...........................................................................................................................15 B.1.1 General..................................................................................................................................................15 B.1.2 Boilers without integrated pump........................................................................................................15 B.1.3 Boilers with integrated pump.............................................................................................................16 B.1.4 Determination of operating conditions of boilers with integrated pump.......................................18 Bibliography......................................................................................................................................................19

SIST EN 15456:2008

EN 15456:2008 (E) 3 Foreword This document (EN 15456:2008) has been prepared by Technical Committee CEN/TC 57 “Central heating boilers”, the secretariat of which is held by DIN. 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 October 2008, and conflicting national standards shall be withdrawn at the latest by October 2008. 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. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. SIST EN 15456:2008

EN 15456:2008 (E) 4 Introduction This document specifies the measurement methods for evaluating auxiliary power consumption. This document also provides the parameters for boilers necessary for the calculation of the total power consumption according to prEN 15316-4-1 [4]. SIST EN 15456:2008

EN 15456:2008 (E) 5

1 Scope This European Standard applies to heating boilers (e.g. with forced-draught burners (unit)) and burners equipped with a fan including all components specified by the manufacturer to be required for the designed boiler operation. This European Standard also applies to heating boilers sold without burners. This European Standard covers the required definitions, the system boundaries, the measurements for the determination of the electrical power consumption and, where applicable, the water side resistance in order to establish the electric auxiliary energy for:  Oil-fired forced-draught burners in accordance with EN 267;  Automatic forced-draught burners for gaseous fuels in accordance with EN 676;  Flued oil stoves with vaporizing burners in accordance with EN 1;  Heating boilers sold without burners for:  Oil-fired forced-draught burners in accordance with EN 303-1 [6], EN 303-2 [7] and EN 304;

 Condensing boilers for liquid fuels in accordance with EN 15034;  Room sealed boilers for fuel oil in accordance with EN 15035;  Heating boilers - Heating boilers with forced-draught burners - Nominal heat output not exceeding 10 MW and maximum operating temperature of 110 °C in accordance with EN 14394;  Pellet burners for small heating boilers in accordance with EN 15270. NOTE All measurements for boilers are carried out in the heating mode only. For hot water production this mode is also relevant. 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, the latest edition of the referenced document (including any amendments) applies. EN 1, Flued oil stoves with vaporising burners EN 267, Forced draught oil burners — Definitions, requirements, testing, marking EN 304:1992, Heating boilers — Test code for heating boilers for atomizing oil burners EN 676, Automatic forced draught burners for gaseous fuels EN 14394, Heating boilers — Heating boilers with forced draught burners — Nominal heat output not exceeding 10 MW and maximum operating temperature of 110 °C EN 15034, Heating boilers — Condensing heating boilers for fuel oil EN 15035, Heating boilers — Special requirements for oil fired room sealed units up to 70 kW SIST EN 15456:2008

EN 15456:2008 (E) 6 EN 15270, Pellet burners for small heating boilers — Definitions, requirements, testing, marking 3 Terms and definitions For the purposes of this European Standard, the following terms and definitions apply. 3.1 reference conditions

15 °C and 1 013,25 mbar, unless otherwise stated 3.2 fuel mass flow

Bm& fuel mass which is consumed during each unit of time by the boiler in continuous operation

NOTE Fuel mass flow is expressed in cubic metre per hour or kilogram per hour. 3.3 fuel volumetric flow

BV& volume of the fuel supplied to the boiler during continuous operation for each unit of time NOTE Fuel volumetric flow is expressed in cubic metre per hour. 3.4 electrical power consumption

Paux 3.4.1
electrical power consumption for heat generation

Paux,gen electric energy consumed by the system components (e.g. pump, fan, valves and control unit) required for the heat generator‘s designed operation:  at full load (100 %) Paux 100,

 at part load (30 %) Paux 30 and  at stand-by operation Paux sb.

NOTE Electrical power consumption for heat generation is expressed in watts. 3.4.2

electrical power consumption for other use Paux, dis

electric energy consumed by the system components which are not required for the heat generator‘s designed operation, e.g. heat distribution pump, valves for heat distribution NOTE Electrical power consumption for other use is expressed in watts. 3.5 draught pressure differential between the static air pressure in the place of installation and the static pressure of the exhaust gases, as measured in the exhaust gas measuring section, which is required for correct operation of the boiler in the test room SIST EN 15456:2008

EN 15456:2008 (E) 7 3.6 calorific value quantity of heat produced by the complete combustion, at a constant pressure equal to 1 013,25 mbar, of a unit volume or mass of gas or oil, the constituents of the combustible mixture being taken at reference conditions and the products of combustion being brought back to the same conditions A distinction is made between:  gross calorific value Hs the water produced by combustion is assumed to be condensed;  net calorific value Hi the water produced by combustion is assumed to be in the vapour state. NOTE The calorific value is expressed:  either in mega joules per cubic metre (MJ/m³) of dry gas under the reference conditions;  or in mega joules per kilogram (MJ/kg) of dry gas; [EN 437:2003 [3]]  or in mega joules per kilogram (MJ/kg) of oil. 3.7 nominal heat input

PN maximal value of heat input for the heating mode declared by the manufacturer NOTE Nominal heat input is expressed in kilowatts. 3.8 nominal heat output

-N maximal value of heat output declared by the manufacturer NOTE Nominal heat output is expressed in kilowatts. 3.9 test room

room in which the heat generator has been installed during the measurement in which the ambient parameters corresponding to the reference conditions are found 3.10 residual pump head hR available pump head after deduction of the hydraulic resistance of the boiler

NOTE Residual pump heat is expressed in metre. 3.11 stand-by operation

operating mode without any heat demand, the system immediately starts up in the required mode as soon as there will be a heat demand

3.12 temperature spread

temperature difference between flow and return connection of the heat generator 3.13 unit assembly of a boiler and a forced-draught burner, offered as a factory-assembled unit

SIST EN 15456:2008
EN 15456:2008 (E) 8 3.14 heat input

P product of the volumetric flow or mass flow and the net or gross calorific value of the fuel referred to the same reference conditions: iBHiN,HVP⋅=&, or sBHsN,HVP⋅=& (1) or

iBHiN,HmP⋅=&, or sBHsN,HmP⋅=& (2) NOTE Heat input is expressed in kilowatts. 3.15 water side resista

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