[. . . ] · If the extractor is used in conjunction with non-electrical appliances (e. g. gas burning appliances), a sufficient degree of aeration must be guaranteed in the room in order to prevent the backflow of exhaust gas. The kitchen must have an opening communicating directly with the open air in order to guarantee the entry of clean air. [. . . ] The kitchen must have an opening communicating directly with the open air in order to guarantee the entry of clean air. USE · The extractor hood has been designed exclusively for domestic use to eliminate kitchen smells. · Never use the hood for purposes other than for which it has ben designed. · Never leave high naked flames under the hood when it is in operation. · Adjust the flame intensity to direct it onto the bottom of the pan only, making sure that it does not engulf the sides. · Deep fat fryers must be continuously monitored during use: overheated oil can burst into flames. · The hood should not be used by children or persons not instructed in its correct use. MAINTENANCE · Switch off or unplug the appliance from the mains supply before carrying out any maintenance work. Low speed, used for a continuous and silent air change in the presence of light cooking vapour. Medium speed, suitable for most operating conditions given the optimum treated air flow/noise level ratio. Maximum speed, used for eliminating the highest cooking vapour emission, including long periods. Light Motor Speed Switches the lighting system on and off. Low speed, used for a continuous and silent air change in the presence of light cooking vapour. Medium speed, suitable for most operating conditions given the optimum treated air flow/noise level ratio. EN 7 7 MAINTENANCE Grease filters CLEANING METAL CASSETTE GREASE FILTERS · The filters must be cleaned every 2 months, or more frequently in case of particularly heavy use of the hood. · Remove the filters one by one, after having disconnected the relative fastening elements. (The colour of the filter surface may change throughout the time but this has no influence to the filter efficiency). · When refitting the filters, make sure that the handle is visible on the outside. [. . . ] · Remove the filters one by one, after having disconnected the relative fastening elements. (The colour of the filter surface may change throughout the time but this has no influence to the filter efficiency). · When refitting the filters, make sure that the handle is visible on the outside. [. . . ]