pyrexx PX-1 Betriebsanleitung Seite 41

4.2 Requirements for the monitoring
area
When selecting the appropriate monitoring ar-
ea, observe the following:
f Position the device centrally on the
ceiling.
f Observe the maximum installation
height of 6 m.
f Keep a maximum distance of 6 m to a
potential fire source.
f Keep a minimum distance of 0.5 m to
surrounding walls, furniture and lamps.
Areas susceptible to draughts Areas susceptible to draughts
For occurring smoke to be able to reach the
smoke alarm device, there must not be any
strong draught influences around the instal-
lation site (e.g. caused by air conditioner and
ventilation intakes, fans). In rooms with forced
ventilation, perforated ceilings that serve for
ventilation must be closed off within a radius
of 0.5 m around the alarm device.
Rooms with straight ceilings Rooms with straight ceilings
(slope angle < 20°) (slope angle < 20°)
0,5
Fig. 3 Rooms with straight ceilings
Note the following for locations in rooms with
straight ceilings:
f Select the highest mounting point on
f Mount the devices horizontally to the
Operating Manual: PX-1 - Smoke Alarm Device
1/2
Allowed
Not allowed
the ceilings.
mounting surface.
1/2
0,5
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