[. . . ] 6) on the opening selected for air evacuation (A or B): make the 3 flange clips and the catch D coincide with the slots on the hood; slightly turn the flange clockwise until it locks. Close the other opening by mounting the "cap" (E) in the same way: Make the 3 cap clips and the catch F coincide with the slots on the hood; slightly turn the cap clockwise until it locks. [. . . ] 5) must not be closed, since the air is recirculated into the room through the front vents. Proceed with fixing the hood: Based on your requirements, you can fit the hood on the wall or on a wall unit of your kitchen. IMPORTANT: Respect the distance between the hob and lower part of the hood which must be at least 650 cm. Fixing to the wall: Before fixing the hood to the wall, check the position of the power outlet and consider where the power cable will run, since a hole might have to be made in the wall unit to accommodate it. mark the 4 holes to be drilled in the wall , respecting the distances indicated in Fig. 10G) and insert them in the topmost screw anchors without however screwing them down completely. hang the hood on the 2 screws; Working from inside the hood , tighten the 2 screws completely. Fitting under wall unit: Before fixing the hood to the wall unit, check the position of the power outlet and consider where the power cable will run, since a hole might have to be made in the wall unit to accommodate it. Push the hood up against the wall unit and insert the 4 screws operating from inside the wall unit (the 4 screws are not provided). CHECK THAT THE DUCTING-FILTERING LEVER IS IN THE RIGHT POSITION: The lever is found on the motor unit and must be positioned on the symbol (Q) in the case of installation in filtering version (Fig. Also remember that charcoal filters must be used in the case of the filtering version; check to see whether such filters are already fitted; if necessary, proceed to fit as follows, depending on the model type purchased: - if the hood features round charcoal filters (Fig. 15A), remove the two metal filter retainers (M) and position the charcoal filter inside the metal grid; fit the two filter retainers back on again to secure the charcoal filter. 17): Button A: turns the lights on/off; every 30 hours of operation the corresponding pilot lamp (S) illuminates to indicate that the grease filters must be cleaned; every 120 hours of operation the corresponding pilot lamp (S) flashes to indicate that the grease filters must be cleaned and the charcoal filter replaced. To restart the hour counter (RESET), hold the button A pressed down for about 1" (while the pilot lamp S is on). [. . . ] To remove the charcoal filters, proceed as follows, depending on the model purchased: - if the hood features round charcoal filters (Fig. 15A), remove the carbon filter by first of all removing the two filter retainers M. [. . . ]