Vaillant ecoTEC plus 937 Instructions And Maintenance Instructions

Also see for ecoTEC plus 937: Operating manual Instructions for installation and servicing Operating manual

Contents

13Installation and maintenance instructions ecoTEC plus 0020031552_03however, the unit would have to be mounted in a spe-cially made enclosure. (You can also use an existingcabinet or existing enclosure as long as it can be modi-fied accordingly to suit the new application.) Further de-tails concerning the fundamental characteristics whenmodifying existing cabinets or enclosures, including therequirements for ventilation, are described in BS 6798.h NoteIf the boiler is to be installed in a half-timberedhouse, the installation must be undertaken inaccordance with the Institute of Gas EngineersPublication IG/UP/7 Edition 2 „Gas installa-tions in timber framed and light steel framedbuildings“h NoteIf the boiler is to be installed in an airingcupboard it is not required to separate theboiler with a non-combustible partition. How-ever installation and servicing clearances mustbe maintained, and the appliance kept clear ofany clothing.Please note the following instructions before choosingwhere to install the boiler:a Caution!Danger of damage to the unit from the effectsof frost!Do not install the shift load storage tank andcombi boiler in rooms with a danger of frost.a Caution!In rooms with aggressive vapours or dust thecombi boiler must be operated independent ofthe ambient air.Make sure that, when selecting the installation locationand when operating the unit, the combustion air is freefrom chemical substances which contain fluorine, chlo-rine, sulphur etc. Sprays, solvents and cleaning agents,paints, adhesives etc.can contain substances of this typewhich can cause corrosion in the flue gas system, in theworst case even if the unit is operated as an open ventappliance. Particularly in hairdressing salons, lacqueringand finishing, cleaning facilities, the appliance must beoperated independent of the ambient air! Otherwise, aseparate installation room is required to guarantee thatthe combustion air supply is free from the afore men-tioned substances.3.5 Gas supplyThe gas provider must guarantee the availability of anadequate gas supply. The connection of a gas meter inthe supply line is only permitted when carried out by thegas provider and a company appointed by him. If thereis an existing gas meter you must check that it issuitable for the required gas rate.Installation pipes should be fitted in accordance withBS 6891. In IE in accordance with the current issue ofIS 813. The pipework between the gas meter and thecombi boiler must be of an appropriate size. Do not useany pipes that are smaller than the connection to thecombi boiler (22 mm). The entire installation must bechecked for leaks and purged in accordance with BS 6891.3.6 Flue piped Danger!Vaillant appliances are only system-certified ifgenuine Vaillant flue pipes are used. Only usegenuine Vaillant flue pipes. Malfunctions canoccur if you use other accessories. These mayresult in damage and injury. You will find a listof genuine flue pipes in the Vaillant installationmanual for flue pipes.The CE mark is valid only if the appliance isoperated with Vaillant flue pipes.3.6.1 100 mm standard flue duct667 87 65307448Fig. 3.2 Item No. 303 933841456542901Fig. 3.3 Item No. 0020060570, 0020060571 and0020065937 (60/100)General requirements 3