Siemens LU17122 User Manual download pdf (Page 16)

16

Description of appliance

Operating instructions:

Light

Switch/light/

fan

Filter grille

Heat shield

(hinged to increase the

suction area)

Operating modes

Exhaust-air mode:

❑ The extractor-hood fan extracts the

kitchen vapours and conveys them

through the grease ﬁlter into the

atmosphere.

❑ The grease ﬁlter absorbs the solid

particles in the kitchen vapours.

❑ The kitchen is kept almost free of grease

and odours.

D

If the extractor hood is operated in

exhaust-air mode at the same time as a

ﬂue-type heater (e.g. gas, oil or solid-fuel

heater, instantaneous water heater, boiler),

ensure that there is an adequate air

supply which the heater requires for

combustion.

Safe operation is possible provided that the

partial vacuum in the room in which the

heater is installed does not exceed 4 Pa

(0.04 mbar).

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.

Operating modes

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 ovens.

Unrestricted operation is possible if the

extractor hood is used in recirculating mode

– with activated carbon ﬁlter.

Circulating-air mode:

❑ An activated carbon ﬁlter must be

ﬁtted for this operating mode (see Filters

and maintenance). The activated carbon

ﬁlter can be purchased as an optional

accessory FROM YOUR DEALER.

The corresponding accessory numbers

can be found at the end of these

operating instructions.

❑ The extractor-hood fan extracts the

kitchen vapours which are puriﬁed in the

grease ﬁlter and activated carbon ﬁlter

and then conveyed back into the

kitchen.

❑ The grease ﬁlter absorbs the grease

particles in the kitchen vapours.

❑ The activated carbon ﬁlter binds the

odorous substances.

 If no activated carbon ﬁlter is installed,

it is not possible to bind the odorous

substances in the cooking vapours.

 If the extractor hood is switched from

exhaust-air mode to circulating-air mode,

the exhaust-air opening must be sealed to

prevent a hazardous situation (see optional

accessories in the Instructions for use).

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