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manual abstract
in doors, windows and in conjunction with an air supply/air-intake wall box or by other technical procedures such as reciprocal interlocking. This can be achieved if the combustion air is able to flow through non-lockable openings, e.g. in doors, windows and in conjunction with an air supply/air-intake wall box or by other technical procedures such as reciprocal interlocking. If the air intake is inadequate, there is a risk of poisoning from combustion gases which are drawn back into the room. An air-intake/exhaust-air wall box by itself is no guarantee that the limiting value will not be exceeded. Note: When assessing the overall requirement, the combined ventilation system for the entire household must be taken into consideration. This rule does not apply to the use of cooking appliances, such as hobs and gas cookers. The extractor hood can be used without restriction in circulating air mode – with an activated carbon filter. An extractor hood which is operated in exhaust-air mode should be fitted with a one-way flap if there is no one-way flap in the exhaust-air pipe or wall box. If a one-way flap is not supplied with the appliance, you can purchase one from your dealer (see optional accessories in the Instructions for use). Do NOT cut out the inner part of the exhaust-air connection. Fitting the one-way flap: . Insert the two lugs on the one-way flap into the holes in the exhaust-air connection. Before installation If the exhaust air is conveyed through Exhaust air upwards: the exterior wall, a telescopic wall box Pipe diameter: 100 or 120 mm should be used. . Break off cover on the top of the extractor hood; strike the retaining points with a tool. Optimum performance of the extractor hood: . Short, smooth exhaust-air pipe. . Minimum number of pipe bends. . Largest possible pipe diameter (120 mm dia. recommended) and large pipe bends. If long, rough exhaust-air pipes, many pipe bends or smaller pipe diameters are used, the air extraction rate will no longer be at an optimum level and there will be an increase in noise. . Round pipes: Short discharge pipe: Inner diameter at least 100 mm, extended discharge pipe: Inner diameter at least 120 mm. . Flat ducts must have an inner cross- section equivalent to round pipes with an inner diameter of 100/120 mm. There should be no sharp bends. 100 m dia approx. 78 cm2 125 m dia approx. 113 cm2 . If pipe diameters differ: Insert sealing strip. . Ensure an adequate air supply for exhaust-air mode. To prevent damage to the fan, hold the tool vertically. . Remove the broken off metal part (possibly a noisy and disruptive procedure). . If the pipe diameter is 120 mm, cut out the inner part of the exhaust-air connection. . Insert the exhaust-air connection and turn as far as possible. Before installation Exhaust air towards the rear: Pipe diameter: 100 mm . Break off cover on the rear panel of the extractor hood; strike the retaining points with a tool. To prevent damage to the fan, hold the tool vertically. . Remove the broken off metal part (possibly a noisy and disruptive procedure). . If the extractor hood has 2 motors, the opening on the plastic part must be made at the rear; cut through the 3 ribs and remove the cut-off part. . Cut off the outer part of the exhaust-air connection. . Insert the inner part and turn as far as possible. Circulating-air mode . With activated carbon filter if exhaust-air mode is not possible. . The air purified by an additional activated carbon filter is conveyed back into the room. . For insertion of the activated carbon fi...
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