1、BRITISH STANDARDBS EN 14438:2006Gas-fired insets for heating more than one roomThe European Standard EN 14438:2006 has the status of a British StandardICS 97.100.20g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g4
2、8g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 14438:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2007 BSI 2007ISBN 978 0 580 50078 7National forewordThis British Standard was published by BSI. It is t
3、he UK implementation of EN 14438:2006.The UK participation in its preparation was entrusted to Technical Committee GSE/36, Independent gas-fired space heaters.A list of organizations represented on GSE/36 can be obtained on request to its secretary.This publication does not purport to include all th
4、e necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 14438December 2006ICS 97
5、.100.20English VersionGas-fired insets for heating more than one roomFoyers utilisant les combustibles gazeux pour le chauffagede plusieurs picesHeizeinstze fr gasfrmige Brennstoffe zurMehrraumbeheizungThis European Standard was approved by CEN on 25 November 2006.CEN members are bound to comply wit
6、h 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 Central Secretariat
7、 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 Central Secretariat has the same status as the officialversi
8、ons.CEN members are the national standards bodies of Austria, Belgium, 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,
9、Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No.
10、 EN 14438:2006: EEN 14438:2006 (E) 2 Contents Page Foreword3 1 Scope.4 2 Normative references 4 3 Terms and definitions5 4 Classification of appliances5 5 Constructional requirements5 5.1 General5 6 Operational requirements .7 7 Test methods7 8 Marking and instructions 8 8.1 Marking .8 8.2 Instructi
11、ons.9 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 90/396 EEC20 Bibliography 23 EN 14438:2006 (E) 3 Foreword This document (EN 14438:2006) has been prepared by Technical Committee CEN/TC 62 “Independent gas-fired space heaters”, th
12、e secretariat of which is held by BSI. 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 June 2007, and conflicting national standards shall be withdrawn at the latest by June 2007. This document ha
13、s 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, which is an integral part of this document. According to the CEN/C
14、ENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, M
15、alta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 14438:2006 (E) 4 1 Scope This European Standard specifies the requirements and test methods for the construction, safety, marking and rational use of energy of gas-fired insets
16、 for heating more than one room that are intended to be built into a casing made from brickwork or similar material. This European Standard is intended to be used in conjunction with EN 613:2000. This European Standard is applicable to type B11BSinsets burning gas: that incorporate an atmospheric bu
17、rner; that are installed directly to an open flue or to a device to evacuate the products of combustion; that have a nominal heat input not exceeding 20 kW (based on the net calorific value). In addition, this European Standard is also applicable to insets for heating more than one room which have a
18、 live fuel effect. This European Standard is not applicable to: open fronted appliances as specified in EN 13278; decorative fuel effect appliances as specified in EN 509; convection heating appliances as specified in EN 613; catalytic combustion appliances; appliances in which the supply of combust
19、ion air and/or evacuation of products of combustion is achieved by mechanical means as specified in EN 1266; warm air heaters (which are subject of CEN/TC 180). This European Standard is only applicable to insets which are intended to be type tested. 2 Normative references The following referenced d
20、ocuments 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 125, Flame supervision devices for gas-burning appliances Thermo-electri
21、c flame supervision devices EN 298, Automatic gas burner control systems for gas burners and gas burning appliances with or without fans EN 613:2000, Independent gas-fired convection heaters EN 50165, Electrical equipment of non-electric heating appliances for household and similar purposes Safety r
22、equirements EN 60529:1991, Degrees of protection provided by enclosures (IP code) (IEC 60529:1989) EN 14438:2006 (E) 5 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 613:2000 and the following apply. 3.1 heating inset built-in convection heater, whic
23、h is designed to heat more than one room (see Figure 1) 3.2 warm air chamber chamber in which the heating inset is installed 4 Classification of appliances Clause 4 of EN 613:2000 applies. 5 Constructional requirements The constructional requirements given in Clause 5 of EN 613:2000 apply with the f
24、ollowing modifications: 5.1 General 5.1.6.3 Built-in insets Heating insets shall be delivered fully assembled for installation. 5.1.7 Supply of combustion air and evacuation of combustion products 5.1.7.1 General The inset shall be of the type B11BS. It shall include the whole of the combustion circ
25、uit, from the entry of the combustion air to the inset to the combustion products outlet of the inset. 5.1.7.2 Supply of combustion air Combustion air inlets shall have fixed openings and shall be designed such that the requirements concerning combustion and flame stability are met. 5.1.7.3 Draught
26、diverter Heating insets shall have a draught diverter, which is integral part of the inset. The draught diverter shall be constructed such that in case of spillage the combustion gases shall go directly into the room and not into the warm air chamber. The openings of the draught diverter shall not b
27、e adjustable. 5.1.8 Electrical equipment The inset shall be so designed and constructed as to obviate hazards of an electrical origin. The inset shall comply with the requirements of EN 50165 which cover such hazards. EN 14438:2006 (E) 6 If the inset is fitted with electronic components or electroni
28、c systems providing a safety function, these shall comply with the relevant requirements of EN 298 with regard to electromagnetic compatibility immunity levels. If the manufacturer specifies the nature of the electrical protection of the inset on the data plate, this specification shall comply with
29、EN 60529 to give the degree of personal protection against contact with dangerous electrical components. 5.2.5 Flame supervision systems 5.2.5.1 General An inset shall have a flame supervision device. It shall control the gas supply to the main burner and to any ignition burner, if fitted. A flame s
30、upervision device shall be securely located in relation to every component with which it is designed to operate. In the event of failure of the means of sensing, the inset shall be safe. 5.2.5.2 Insets with thermoelectric safety devices Heat sensitive flame supervision devices of the thermoelectric
31、type shall comply with EN 125. 5.2.5.3 Insets with automatic burner systems If an inset is fitted with an automatic burner control system, it shall comply with EN 298. The manufacturer shall specify the safety time (see 6.10.2.2 of EN 613:2000). For insets above 10 kW, the safety time shall not be m
32、ore than 5 s, and for those up to and including 10 kW, the safety time shall not be more than 10 s. NOTE The safety times have been limited because this inset is installed within a secondary enclosure. Upon flame failure during the running condition the flame supervision device shall cause non-volat
33、ile lock-out, except in the case of insets with direct ignition of the main burner, in which case: a) spark restoration within 1 s is allowable, or b) a single restart attempt is allowed within 10 s. In the event that re-ignition is unsuccessful during either of these periods non-volatile lock-out s
34、hall occur. The operation of push buttons, switches etc., incorrectly or out of sequence shall not adversely affect the safety of an automatic burner control system. 5.2.7 Automatic burner control system This subclause is covered by the final paragraph of 5.2.5.3 above. 5.2.10 Manually operated devi
35、ces This subclause is covered by 5.2.5.3 above. EN 14438:2006 (E) 7 5.4 Flame supervision systems This subclause is covered by 5.2.5 above. 6 Operational requirements The operational requirements given in Clause 6 of EN 613:2000 apply with the following modifications: 6.4.3 Temperature of floor The
36、inset manufacturer shall provide in his installation instructions the necessary information for either insulating the walls and/or floors or indicating the required clearance distances to ensure that the temperature of any adjacent walls and/or floors constructed of non-combustible or combustible ma
37、terials comply with the following requirements. 6.4.3.1 Insets to be installed on/against non-combustible surfaces For insets intended to be installed in accordance with the inset manufacturers installation instructions on, or against, non-combustible surfaces, when tested as described in 7.4.3, the
38、 temperature at any user touchable point of the floor on which an inset is to be placed shall not exceed the ambient temperature by more than 80 K. 6.4.3.2 Insets to be installed on/against combustible surfaces For insets intended to be installed in accordance with the inset manufacturers installati
39、on instructions on, or against, combustible surfaces, when tested as described in 7.4.3, the temperature at any point of any floor on which an inset is to be placed, shall not exceed the ambient temperature by more than 60 K. 6.9 Spillage monitoring system Only 6.9.2 of EN 613:2000 applies. 6.11 Eff
40、iciency When the inset is tested as described in 7.11, the minimum net efficiency obtained (see 7.11.2 of EN 613:2000) with the inset operating at its nominal heat input shall be 89 %. 7 Test methods The test methods given in Clause 7 of EN 613:2000 apply with the following modifications: 7.1.5.3 Te
41、st installation The appliance shall be installed in accordance with the manufacturers instructions without installing it into the warm air chamber (the requirements of 8.2.2.2 have not to be taken into account). 7.4 Temperature of various parts of the inset For the tests according to 7.4.1 to 7.4.3
42、the inset is installed according to the manufacturers instructions onto a test rig including all convection air ducts; the heat-resistant casing is replaced by a suitable heat insulation (see Figures 2 to 6). If the manufacturer requires a certain heat insulation or safety distances to combustible p
43、arts of floors or walls, these specifications shall be respected. EN 14438:2006 (E) 8 The test rig consists of a plywood board with a thermal conductivity of 0,15 W/mK and their internal surfaces coated with matt black paint (see Figures 2 to 6). Thermocouples are incorporated into each panel (sides
44、 and hearth) at the centre of squares of side 100 mm (see Figure 5); these thermocouples are situated in the test panels according to Figure 6. The distance between the back and side surfaces and test panels are the minimum distances specified by the manufacturer or, where appropriate, that distance
45、 created by fixing to the wall. The side panel is placed at the side of the inset where the temperatures are the highest. All measurements are taken when the difference between the surface temperature and the ambient temperature is constant. 7.4.3 Temperature of floor and walls For an inset which is
46、 intended to be installed on a combustible surface, the manufacturer should indicate in the installation instructions the nature of the effective protection to be applied between the inset and the floor, shelf or walls. This protection shall be supplied to the test laboratory by the manufacturer. Th
47、e inset is adjusted to nominal heat input according to 7.1.3.2 of EN 613:2000 using a reference gas and is operated until thermal equilibrium is achieved. The test is repeated with the inset fan, if any, inoperative. 7.9 Spillage monitoring system The test is carried out according to 7.9.1 and 7.9.3
48、 of EN 613:2000. 7.11 Efficiency The test is carried out according to 7.11 of EN 613:2000 with the following modification: The test rig as described in 7.4 is used. For type B11BS insets a sample of the products of combustion and the measurement of combustion gases temperature is taken 2D downstream
49、 the flue socket (see Figure 7) at a pressure of 10 Pa with a probe according to Figure 8. 8 Marking and instructions 8.1 Marking The marking requirements given in 8.1 of EN 613:2000 apply. EN 14438:2006 (E) 9 8.2 Instructions The instruction requirements given in 8.2 of EN 613:2000 apply with the following modifications: 8.2.2 Technical instructions for installation and adjustment 8.2.2.1 Issues concerning installation and adjustment of the inset in particular The following statement shall be included: “Before installation, ensure that the local distrib
