[. . . ] The installation work must be undertaken by a qualified and competent person in conformity to the rules concerning the evacuation of contaminated air. The manufacturer disclaims all liability for any damage or injury caused as a result of not following the instructions for installation contained in the following text. [. . . ] 2 - If the hood is not provided with a paper fixing template, position the hood on the wall cabinet base panel and pilot drill the 3. 5 x 16 mm screws (not supplied with the fixing kit) from the inside onto the wood. A - Drill two Ø 8 mm holes on the wall using the paper template, insert two rawl plugs and two 4. B - If the hood is not provided with a paper fixing template, drill two Ø 8 mm holes (see draw. ) , insert the plugs and screws , proceeding as directed under paragraph a. C - For wall mounting using wallbrackets (optional), follow the instructions of the fixing template. A - Evacuation mode To check that the hood is set up for evacuation, open the grille panel and make sure that the conversion lever or the change-over knob on the centrifugal unit is in the DUCTING position. For ducting to the outside, the hood is supplied with a rear and top outlet. a flange spigot of 100 mm diameter (120 mm in certain models) is usually fitted on the top outlet and a blanking plug on the rear outlet. If you choose to duct the hood from the rear of the casing, you should invert the position of the flange and of the blanking plug. B - Internal recirculation mode To check that the hood is set up for recycling, open the grille panel and make sure that the conversion lever or the change-over knob on the centrifugal unit is in the RECYCLING position. To fit the charcoal filter, support the filter with one hand and turn the thumb screw through the centre of the charcoal filter. 1- Controls are located on the right hand side of the front to operate worktop illumination and select the most suitable working speed for your cooking. To increase the area of extraction, the glass visor should be pulled open. [. . . ] For a good performance replace the charcoal filter on average every three months. If a lamp fails to function at any time, open the metal grille panel and check that the lamp is fully screwed into the holder. [. . . ]