58Description of the Appliance• The hood is supplied as an extractor unit and can also be used witha recirculation mode by fitting a charcoal filter.• You will need an original AEG charcoal filter for this function(Available from your local AEG Service Force Centre).Extraction mode• In this version fumes areextracted to the outside viaa hose connected to thecoupling ring. Fig. 1.• In order to obtain the bestperformance the hoseshould have a diameterequal to the outlet hole.• Should there already be apipe of diameter 125 mmthat ducts to the outsidethrough the walls or roof, itis possible to use the 150/125 mm reduction flangeprovided (DD 8794 and DD8795 only). In this case the hood will be slightly noisier.Recirculation mode• The air is filtered through acharcoal filter and returned tothe kitchen.• You will need an original AEGcharcoal filter for therecirculation mode. (SeeSpecial Accessories).• Fix the deflector using 2 screwsØ 3.5x9.5 mm. Fig. 2.coupling ringreductionflangeFig. 1DeflectorFig. 2