1、BRITISH STANDARD BS EN 722-1:2004 Leisure accommodation vehicles Liquid fuel heating systems Part 1: Caravans and caravan holiday homes The European Standard EN 722-1:2004 has the status of a British Standard ICS 43.100 BS EN 722-1:2004 This British Standard was published under the authority of the
2、Standards Policy and Strategy Committee on 23 June 2005 BSI 23 June 2005 ISBN 0 580 46161 0 National foreword This British Standard is the official English language version of EN 722-1:2004. It supersedes BS EN 722-1:1996 which is withdrawn. The UK participation in its preparation was entrusted to T
3、echnical Committee B/511, Buildings, mobile and temporary, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in
4、this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a
5、contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposa
6、ls for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover. The BSI copyright notice displaye
7、d in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 722-1 September 2004 ICS 43.100 Supersedes EN 722-1:1996 English version Leisure accommodation vehicles - Liquid fuel heating
8、 systems - Part 1: Caravans and caravan holiday homes Vhicules habitables de loisirs - Systmes de chauffage combustibles liquides - Partie 1 : Caravanes et rsidences mobiles Bewohnbare Freizeitfahrzeuge - Mit flssigem Brennstoff betriebene Heizungssysteme - Teil 1: Caravans und Mobilheime This Europ
9、ean Standard was approved by CEN on 9 July 2004. 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 concer
10、ning such national standards may be obtained on application to the Central Secretariat 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 l
11、anguage and notified to the Central Secretariat has the same status as the official versions. 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
12、, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2004 CEN All rights of exploi
13、tation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 722-1:2004: EEN 722-1:2004 (E) 2 Contents Page Foreword. 3 1 Scope 4 2 Normative references . 4 3 Terms and definitions. 4 4 Requirements 4 4.1 General. 4 4.2 Oil tanks . 4 4.2.1 Location . 4 4.2.2 Stopcock
14、4 4.2.3 Capacity . 4 4.2.4 Spillage 5 4.3 Heating appliances . 5 4.3.1 Types and installation 5 4.3.2 Products of combustion. 5 4.3.3 Accessibility 7 4.4 Fuel pipes 7 4.4.1 General. 7 4.4.2 Materials. 7 4.4.3 Corrosion protection 7 4.4.4 Joints 7 4.4.5 Mechanical protection 7 4.5 Flues. 7 4.5.1 Flue
15、 pipes 7 4.5.2 Weather protection . 7 4.5.3 Draught diverters and dampers for caravan holiday homes 7 4.5.4 Accessibility 8 4.6 Fire valve 8 5 Users handbook . 8 Bibliography . 9EN 722-1:2004 (E) 3 Foreword This document (EN 722-1:2004) has been prepared by Technical Committee CEN/TC 245 “Leisure ac
16、commodation vehicles“, the 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 March 2005, and conflicting national standards shall be withdrawn at the latest by M
17、arch 2005. This document supersedes EN 722-1:1996. According to the CEN/CENELEC 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, G
18、reece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 722-1:2004 (E) 4 1 Scope This document specifies safety requirements for installing oil-fired heating systems in
19、 caravans and caravan holiday homes. It applies to liquid fuel heating systems using oil fuels as defined in EN 13878. NOTE Safety ventilation requirements for leisure accommodation vehicles are specified in EN 721. 2 Normative references The following referenced documents are indispensable for the
20、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 13878:2003, Leisure accommodation vehicles Terms and definitions 3 Terms and definitions For the purposes o
21、f this document, the terms and definitions given in EN 13878:2003 apply. 4 Requirements 4.1 General The installation of liquid fuel heating systems shall be carried out in accordance with the instructions of the manufacturers of the equipment and appliances. The system shall not leak when installed
22、and shall be operated in accordance with the instructions of the manufacturer. The components of the system shall be of material suitable for use with liquid fuels. 4.2 Oil tanks 4.2.1 Location Oil tanks shall be located so as to permit filling and draining from outside and if separate from the heat
23、ing appliance shall be placed in a fuel storage compartment or fuel storage housing. This compartment or housing shall be ventilated to the outside of the leisure accommodation vehicle and an opening shall be provided at the bottom to permit the drainage of water to the outside of the leisure accomm
24、odation vehicle. 4.2.2 Stopcock A stopcock shall be provided at the outlet of each tank. It shall be readily accessible. 4.2.3 Capacity The capacity of the tank for the installation shall not exceed 50 l for caravans and 200 l for caravan holiday homes. EN 722-1:2004 (E) 5 4.2.4 Spillage Provision s
25、hall be made to ensure that, in the event of spillage when filling the tank, fuel shall not be dispersed inside or below the leisure accommodation vehicle, whether the tank is integral with an appliance or not. 4.3 Heating appliances 4.3.1 Types and installation For caravans, only room-sealed applia
26、nces shall be used. For caravan holiday homes, heating appliances which draw their combustion air from inside the leisure accommodation vehicle, are permitted. All heating appliances shall be securely fixed. Provision shall be made to protect any combustible material adjacent to any heat-generating
27、appliance in accordance with the heating appliance manufacturers instructions. 4.3.2 Products of combustion All heating appliances shall be installed in such a way that the products of combustion shall be ducted to the outside of the leisure accommodation vehicle. Combustion products shall not be ev
28、acuated under the leisure accommodation vehicle. Flue terminals shall be sited in accordance with the heating appliance manufacturers instructions, preferably on the roof or in the wall of the vehicle. NOTE It is recommended that flue terminals be positioned so that wind turbulence will not affect p
29、roper operation. Flue terminals shall not be positioned within 500 mm of a refuelling point of fuel tank breather outlet or any ventilator from a liquid fuel system(s). Flue terminals positioned on a wall or a roof for heating appliances shall not be fitted within 300 mm of a ventilator for the habi
30、tation area (see Figure 1) or an opening part of a window (see Figure 2). Where the flue terminal of a heating appliance is positioned vertically below an opening part of a window, the heating appliance shall be fitted with an automatic shut-off device to prevent operation when the window is open. E
31、N 722-1:2004 (E) 6 Key 1 Ventilator 2 Prohibited zone l = 300 mm Figure 1 Prohibited zone for discharge openings for the products of combustion in relation to ventilators Key 1 Window 2 Prohibited zone 3 Floor l = 300 mm Figure 2 Prohibited zone for discharge openings for the products of combustion
32、in relation to windows EN 722-1:2004 (E) 7 4.3.3 Accessibility Every appliance shall be accessible for inspection, service, repair or replacement. 4.4 Fuel pipes 4.4.1 General The bore of piping shall not be significantly restricted either through bending or cutting. There shall be no contact betwee
33、n the piping and electrical cables. 4.4.2 Materials Pipework shall be of seam-welded steel or of seamless steel, stainless steel or copper or any materials recommended by the appliance manufacturer. 4.4.3 Corrosion protection Pipes which are in contact with material likely to cause corrosion, shall
34、be protected throughout the area of contact. In places exposed to corrosion, especially underneath the vehicle and in ducts, pipes shall be protected by anti-corrosion measures, e.g. plastic coating or bituminous paintwork, or be of corrosion resistant material. 4.4.4 Joints Connections shall be mad
35、e by flat-faced washered joints or compression joints. Soft soldered joints shall not be used. Joints shall be accessible and secured so that they are not affected by vibration. 4.4.5 Mechanical protection Pipework shall be protected against mechanical damage, either by its location or by grommets o
36、r other means, where necessary. 4.5 Flues 4.5.1 Flue pipes Flue pipes shall be sealed to prevent the products of combustion entering the leisure accommodation vehicle and shall be constructed of non-combustible material, which shall be compatible with the characteristics of the appliance and the man
37、ufacturers installation instructions. Flue pipes shall remain firmly in position particularly in the case of leisure accommodation vehicles in motion. 4.5.2 Weather protection Where a flue pipe passes through a wall or roof, measures shall be taken to prevent ingress of water. The flue terminal shal
38、l be fitted with a weather cap, so designed as not to obstruct the emission of flue gases. 4.5.3 Draught diverters and dampers for caravan holiday homes When a draught diverter is fitted, it shall be integral with a heating appliance or immediately adjacent to it. No additional draught diverter or d
39、amper that restricts the area of a flue shall be fitted. EN 722-1:2004 (E) 8 4.5.4 Accessibility Means shall be provided to allow periodic inspection of the whole of the circumference and length of uninsulated flue pipes, the flue ends and attachments and the whole of the outside of the insulating s
40、leeve of insulated flue pipes. Panels or structure shall be removable by means of a simple tool such as a screwdriver. It shall be permissible to carry out an inspection by the use of a hand-held mirror or by feel as an acceptable alternative to direct visual inspection. 4.6 Fire valve A thermally o
41、perated fire valve shall be fitted as an integral part of the installation to shut off the fuel supply should overheating occur. 5 Users handbook The leisure accommodation vehicles manufacturer shall provide instructions for the correct operation and maintenance of the system, which shall be provide
42、d as part of the Users handbook, worded at least in the language of the country where the leisure accommodation vehicle is first sold. These instructions shall clearly state the specification of fuel for which the system has been designed and, where applicable, whether the system is suitable for use
43、 while the caravan is in motion. EN 722-1:2004 (E) 9 Bibliography 1 EN 721, Leisure accommodation vehicles Safety ventilation requirementsBS EN 722-1:2004 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British
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