SIST EN 13278:2014

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Konvektions-Raumheizer für gasförmige Brennstoffe mit offener VerbrennungskammerAppareils de chauffage indépendants à foyer ouvert utilisant les combustibles gazeuxOpen fronted gas-fired independent space heaters97.100.20Plinski grelnikiGas heatersICS:Ta slovenski standard je istoveten z:EN 13278:2013SIST EN 13278:2014en,fr,de01-januar-2014SIST EN 13278:2014SLOVENSKI
STANDARDSIST EN 13278:20041DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 13278
October 2013 ICS 97.100.20 Supersedes EN 13278:2003English Version
Open fronted gas-fired independent space heaters
Appareils de chauffage indépendants à foyer ouvert utilisant les combustibles gazeux
Konvektions-Raumheizer für gasförmige Brennstoffe mit offener Verbrennungskammer This European Standard was approved by CEN on 8 August 2013.
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 © 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13278:2013: ESIST EN 13278:2014

National situations . 77 A.1 General . 77 A.2 Categories listed in the body of the standard marketed in the different countries . 77 SIST EN 13278:2014

Equivalence rules . 88 B.1 Conversion to categories within a restricted Wobbe Index range . 88 B.2 Conversion to categories within an identical Wobbe Index range . 88 B.3 Conversion of categories within a wider Wobbe Index range . 89 Annex C (informative)
Gas valve arrangements . 90 Annex D (informative)
Means of identification of the types of gas in force in the various countries . 91 Annex E (normative)
Apparatus for the determination of the smoke number . 93 E.1 Pump . 93 E.2 Sampling tube . 93 E.3 Filter paper . 93 E.4 Grey scale . 93 Annex F (informative)
Symbols and abbreviations . 94 Annex G (normative)
Special national conditions . 95 G.1 Belgium . 95 Annex H (normative)
Calculation of conversions of NOx . 96 Annex I (normative)
Dress guards . 97 I.1 Scope . 97 I.2 Requirements . 97 I.3 Tests. 97 Annex J (informative)
A-deviations . 100 J.1 A-deviations . 100 Annex K (informative)
Main technical changes compared to the edition of 2003 . 101 Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 2009/142/EC . 103 Bibliography . 105
1 Scope This European Standard specifies the requirements and test methods for the construction, safety, marking and rational use of energy of open fronted gas-fired independent space heaters with and without a fan to assist with the transportation of flue gases, hereafter referred to as appliances. Although the fan may be mounted outdoors, this standard only covers appliances where the body of the appliance is indoors. This standard applies to types B11AS, B11BS, B14AS, and B14BS (commonly referred to in this standard as type B1 appliances) open fronted gas-fired independent space heating appliances:  that incorporate an atmospheric burner;  that are connected directly to an open flue (see Figure 1), or to a device to evacuate the products of combustion (open-flued appliances);  that have a nominal heat input not exceeding 20 kW (based on the net calorific value);  that are delivered with the gas-carrying components, burner(s), combustion chamber and heat exchanger fully assembled. It does not apply to:  closed-fronted appliances;
 decorative fuel effect appliances as specified in EN 509;  catalytic combustion appliances;  ducted-air appliances;  appliances installed by means of a closure plate (see 3.3.3.3). SIST EN 13278:2014

Note 1 to entry: Such an appliance can also contain radiant heating elements provided that it complies with all the requirements of this standard. 3.1.2 forced convection heater convection appliance that incorporates a fan and thus allows an acceleration of the circulation of the air in contact with the heating body
Note 1 to entry: Such an appliance is designed to discharge air directly into the room in which the appliance is installed and not to be connected to a warm air distribution system. 3.1.3 live fuel-effect convection heater
convection appliance which simulates the visual effect of a solid fuel appliance 3.1.4 open-fronted appliance appliance which has exposed flames or exposed incandescent areas 3.1.5 closed-fronted appliance appliance which does not have exposed flames or exposed incandescent areas 3.1.6 working surfaces parts of an appliance, which, due to the nature of the appliance, have temperatures exceeding the limits specified in 6.4.1 excluding parts that are likely to be touched during operations carried out in the normal use of the appliance, for example, the area adjacent to control knobs Note 1 to entry: Working surfaces do not include that part of any surface within 25 mm of parts that have to be touched or removed during normal operation of the appliance. 3.2 gases 3.2.1 reference conditions for calorific values, temperature: 15 °C; for gas and air volumes dry, brought to 15 °C and to an absolute pressure of
1 013,25 mbar 3.2.2 calorific value quantity of heat produced by the combustion, at a constant pressure of 1 013,25 mbar, of unit volume or mass of gas, the constituents of the combustible mixture being taken at reference conditions and the products of combustion being brought back to the same conditions Note 1 to entry: A distinction is made between:  the gross calorific value in which the water produced by combustion is assumed to be condensed;
Symbol: Hs SIST EN 13278:2014
Symbol: Hi Units: either  megajoules per cubic metre (MJ/m3) of dry gas at reference conditions; or  megajoules per kilogram (MJ/kg) of dry gas. [SOURCE: EN 437:2003+A1:2009, modified] 3.2.3 relative density d ratio of the masses of equal volumes of dry gas and dry air at the same conditions of temperature and pressure 3.2.4 Wobbe index ratio of the calorific value of a gas per unit volume to the square root of its relative density under the same reference conditions
Note 1 to entry: The Wobbe index is said to be gross or net according to whether the calorific value used is the gross or net calorific value. Symbols: gross Wobbe index: Ws
net Wobbe index: Wi Units: either:  megajoules per cubic metre (MJ/m3) of dry gas at the reference conditions; or  megajoules per kilogram (MJ/kg) of dry gas. [SOURCE: EN 437:2003+A1:2009, modified] 3.2.5 test pressures gas pressures used to verify the operational characteristics of appliances using combustible gases
Note 1 to entry: They consist of normal and limit pressures. Note 2 to entry: They are expressed in millibar (mbar).
1 mbar = 100 Pa. 3.2.6 normal pressure pn pressure under which appliances operate in nominal conditions, when they are supplied with the corresponding reference gas
3.2.7 limit pressures pressures representative of the extreme variations in the appliance supply conditions
Note 1 to entry:
Symbols:
maximum pressure: pmax
minimum pressure: pmin SIST EN 13278:2014

For example the following:  cone seated joints,  torroidal sealing rings ('O' rings),  flat joints,  metal to metal joints. 3.3.1.3 gas circuit part of an appliance that conveys or contains the gas between the appliance gas inlet connection and the burner(s) 3.3.1.4 gas restrictor non-adjustable device which is placed in the gas circuit so as to create a pressure drop and thus reduce the gas pressure at the burner to a predetermined value for a given supply pressure and rate 3.3.1.5 gas rate adjuster component intended for the manufacturer or installer to set the gas rate to each burner at a predetermined value according to the supply conditions Note 1 to entry: The adjustment can be progressive (screw adjuster) or discontinuous (changing restrictors). Note 2 to entry: The adjuster of an adjustable regulator is regarded as a gas rate adjuster. Note 3 to entry: The action of setting this device is called 'setting the gas rate'. 3.3.1.6 gas rate control component allowing the user to open or close the gas supply to one or more burners
Note 1 to entry: It can also be used to adjust the gas rate of certain burners to a predetermined value, called the 'reduced rate'. This device can be a 'tap'. SIST EN 13278:2014

Note 1 to entry: It can be discharged through a separate ignition burner or part of the main burner. 3.3.2 burner 3.3.2.1 main burner burner that assures the thermal function of an appliance
Note 1 to entry: It is usually called simply 'burner'. 3.3.2.2 pan burner main burner which utilises a particulate medium (e.g. sand) for the distribution of gas over a defined area 3.3.2.3 ignition burner separate burner intended to light the main burner 3.3.2.3.1 permanent ignition burner ignition burner that operates continuously throughout the whole period that the appliance is in use 3.3.2.3.2 intermittent ignition burner ignition burner that is ignited before and extinguished at the same time as the main burner 3.3.2.4 fixed primary aeration restrictor non-adjustable device which limits the supply of primary air to a burner 3.3.3 combustion products circuit 3.3.3.1 flue outlet part of a type B appliance (see 4.2) that connects with a flue to evacuate the products of combustion 3.3.3.2 draught diverter part of the combustion products circuit to reduce the influence of flue-pull and to minimise the effect of down-draught on the burner flame stability and combustion 3.3.3.3 closure plate non-combustible plate used to cover and seal the front plane of a builder's opening, or fireplace opening, such that when the appliance is installed, any air flowing from the room into the flue does so in accordance with the design requirements of the appliance Note 1 to entry: This plate contains an aperture thro
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