Safety requirements45Installation Guide - "Château" Range G408NOTINSTALG4/EN-1BEFORE DELIVERYIn order to be able to install your appliance as soon as it is delivered, you will have to checkthat the layout of your kitchen and your gas and electricity supplies are ready for it.All gas and electrical installations must comply with the standards and currentregulations in the country where the appliance is installed, as well as with therequirements of local gas and electricity suppliers.In the event of the appliance being installed by us, our technicians may ask you for a cer-tificate proving that your domestic installation is compliant.The manufacturer shall not incur any liability for an incorrect installation, and incorrectinstallations shall void the warranty.1.1. VentilationSpecial care should be taken to respect the regulation in force regarding ventilation.All requirements and regulations in force regarding the ventilation of rooms wheregas appliances are installed, should be respected.It is essential that the room where the "La Cornue" cooker or hob will be installed hasexcellent ventilation, i.e. to the outside for vapour and burnt gases and a fresh air inlet.Do not use an air recycling system.A flow rate of at least 4 cubic metres per hour of fresh air per kW of gas heat power isnecessary to ensure the supply of combustion air.You should take into account all appliances using gas installed in the room; additional venti-lation may be necessary.The gas regulations also require high and low ventilation to be installed in the room wherea gas appliance will be installed.The external ventilation system must consist of fixed aerators or flipping glass panes aswell as vapour aspirators or extractor hoods.We strongly advise you to use an extractor hood.Recommended power:- minimum of 1 400 cubic metres per hour for "Grand Palais 180", "Château 165","Château 150", "Grand Châtelet 135", "Château 120" and "Châtelet 120"- 700 cubic metres per hour for "Grand Castel 90" and "Castel 75"or 10 – 15 times the volume of the air in the room each hour.1. SAFETY REQUIREMENTSBEFORE DELIVERY