Project

Gas-fired instantaneous water heaters for the production of domestic hot water; German and English version prEN 26:2020

Abstract

This European Standard defines the specifications and test methods concerning the construction, safety, rational use of energy and fitness for purpose, and also the classification and marking of gas-fired instantaneous water heaters for sanitary uses, hereafter called "water heaters".This European Standard applies to water heaters: of types AAS, B11, B11BS, B12, B12BS, B13, B13BS, B14, B22, B23, B32, B33, B44, B52, B53, C11, C12, C13, C21, C22, C23, C32, C33, C42, C43, C52, C53, C62, C63, C72, C73, C82and C83 according to EN 1749;- fitted with atmospheric burners;- equipped with atmospheric burners assisted by a fan for the supply of combustion air or evacuation of combustion products or fully premix burners;- using one or more combustible gases corresponding to the three gas families and at the pressures stated in accordance to EN 437;- of nominal heat input not exceeding 70 kW;- with an ignition burner or with direct ignition of the main burner.In this European Standard, the heat inputs are expressed in relation to the net calorific value (Hi).This European Standard does not contain all the requirements necessary for:- boiling water appliances;- appliances intended to be connected to a mechanical means of evacuating the combustion products;- appliances which fulfil a dual role of space heating and heating water for sanitary use;- appliances making use of the heat of condensation of the water contained in the combustion products;- water heaters of types B21, B31, B41, B42, B43 and B51.This European Standard only covers water heaters where the fan, if any, is an integral part of the appliance.This European Standard:- does not apply to appliances not intended to be connected to a flue when they are not fitted with an atmosphere sensing device;- takes account of the information given in Technical Report CEN/CR 1472:1994 with respect to marking.Type B appliances should be with a combustion products discharge safety device to comply with essential requirement 3.4.3 of the Gas Appliances Directive 2009/142/EC. In this European Standard, the appliance is identified as type B11BS.Appliances intended to be installed outdoors or in a room separate from inhabited rooms and provided with appropriate ventilation are not required to have this combustion products discharge safety device but, in this case, appropriate warnings on the packaging, and in the instructions should clearly define the limited authorized use for this type of appliance. In this European Standard, the appliance is identified as type B11.The main symbols used in this European Standard are summarized in Annex F.

Begin

2019-07-23

WI

00048052

Planned document number

DIN EN 26

Project number

03200852

Responsible national committee

NA 032-03-01 AA - Domestic, Commercial and Industrial Gas Utilisation 

Responsible european committee

CEN/TC 48/WG 1 - Revision of EN 26 and EN 89 

draft standard

Gas-fired instantaneous water heaters for the production of domestic hot water; German and English version prEN 26:2020
2020-02
Order from Beuth Verlag

previous edition(s)

Gas-fired instantaneous water heaters for the production of domestic hot water; German version EN 26:2015
2015-08

Order from Beuth Verlag

Contact

M. Sc.

Dennis Klein

Josef-Wirmer-Str. 1 - 3
53123 Bonn

Tel.: +49 228 9188-910
Fax: +49 228 9188-92910

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