Bosch DHX555I Installation Manual download pdf (Page 6)

6

Prior to installation

D

The exhaust air must not be removed

via a functioning smoke or exhaust-gas ﬂue

or via a duct which is used to ventilate a

ﬁreplace in the installation room.

Observe the official and statutory

regulations for the removal of exhaust air

(e.g. Landesbauordnungen)..

Removal of exhaust air via a

non-functioning smoke or exhaust-gas ﬂue

requires the consent of a heating engineer.

D

If the extractor hood is operating 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),

there must be an adequate air supply

which the ﬁreplace requires for combustion.

Safe operation is possible if the partial

vacuum in the installation room of the ﬁre-

place does not exceed 4 Pa (0.04 mbar).

This can be achieved if the combustion air

is able to ﬂow through non-lockable ope-

nings, e.g. in doors, windows and in con-

junction with an air supply/air-intake wall

box or by other technical procedures such

as reciprocal interlocking.

If the air supply is inadequate, there is a

risk of poisoning caused by combustion

gases being drawn back into the room.

An air supply/air-intake wall box alone does

not ensure compliance with the limiting

value.

Note: When assessing the air supply,

always take into account the entire ventilati-

on system in the house. This rule does not

apply when using cooking appliances, e.g.

hob or gas cooker.

 The fan must be attached at least 2 m

from the extractor hood.

 Attach the inner wall fan inside the

building only, but not in living rooms.

 When attaching the inner wall fan, ensu-

re that it is accessible for maintenance and

repairs.

 The plug-and-socket connections of the

electric cables must be located inside the

building.

 Do not reduce the 150 mm diameter of

the pipes connected to the extractor hood.

An additional silencer for 150 mm ø pipes is

available as an optional accessory from

specialist outlets.

Preparing the wall

❑ The wall must be ﬂat and perpendicular.

❑ Ensure that the wall is capable of

providing a ﬁrm hold for mounting

screws and plugs.

Weight: 7,3 kg.

We reserve the right to construction changes within the

context of technical development.

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