6.7 Installing the exhaust air version
(PURA)
INFO The state and regional laws and regulations must
be observed with regard to the exhaust duct
design. A sufficient air supply must be ensured.
6.7.1 Operating the cooktop extractor with
a fireplace that depends on the air in
the room.
Fireplaces that depend on the air in the room (e.g. gas,
oil, wood or coal-fired heaters, continuous-flow water
heaters, instantaneous water heaters) draw in air from
the room in which they are installed and release the
exhaust fumes into the outside air via an exhaust system
(e.g. chimney).
If the cooktop extractor is used in exhaust air mode, it
draws in air from the room in which it is installed as well
as from neighbouring rooms. If there is insufficient air
supply, low pressure will occur. Toxic gases could be
drawn out of the chimney or extraction ducting and back
into the room.
Fig. 6.24 Exhaust air installation - not permitted
Fig. 6.25 Exhaust air installation - correct
If simultaneously operating both a fireplace and the
cooktop extractor in the same room, ensure that:
the maximum low pressure is 4 Pa (4 x 10–5 bar)
a safety device (e.g. window contact switch, low
pressure warning device) is used to ensure that a
sufficient supply of fresh air is guaranteed.
the exhaust air is not ducted into a chimney that is
used for exhaust gases of devices operated with
gas or other fuels.
the installation is checked and approved by an
authorised certified engineer (e.g. heating
engineer).
6.7.2 Home In module PUHIM (optional)
Via this additional interface it is possible to establish a
connection to other systems and, for example, a window
Fig. 6.22 Placing the activated charcoal lter in the end
position
Push the activated charcoal filter into the filter housing
until it will go no further (To do this, you can can place
one finger between the slats and gradually push the
filter into the housing).
The end position of the activated charcoal filter is
reached when the filter has been fully pushed inside the
filter housing.
21
Fig. 6.23 Inserting the lter replacement cover
[1] Filter replacement cover
[2] Inlet opening
Inside the inlet opening, push the filter replacement
cover until it comes to a stop in the filter housing
opening.
Check that the filter replacement cover is positioned
correctly.
Inserting the grease filter and air inlet nozzle
Next, insert the stainless steel grease filter and the air
inlet nozzle.
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