[. . . ] J Safety in use is only guaranteed if the technical installation of the hob has been carried out correctly and in accordance with the installation instructions. [. . . ] J The inlet hose must be positioned so that it does not touch any of the hot parts of the hob or oven. J Hobs should only be installed above forced ventilation ovens of the same specification. J Any change to the appliance's interior, including changing the power cable, must be performed by the Technical Assistance Service. Preparing the kitchen unit - Figure 1 The cuts should be made in the kitchen unit before installing the hob. Remove any shavings, as these can affect the operation of the electrical components. When the cuts have been made, the unit's stability should be checked again. J The built-in kitchen units must withstand temperatures of up to 90ºC. J A gap of at least 70 mm must be allowed between the hob and the side wall, where applicable. [. . . ] For tiled work surfaces, the joints where the tiles meet must be hermetically sealed with silicone rubber. [. . . ]