pyrexx PX-1 Betriebsanleitung Seite 43

Note the following for locations in rooms
with straight ceilings:
f Select the highest mounting point on
the ceilings.
f Mount the devices horizontally to
the mounting surface.
Narrow spaces or corridors (1-3 m wide)
In addition, observe the following for lo-
cations in narrow rooms or corridors that
are 1-3 m wide:
f Keep the distance of less than 7.5 m
between the front surface (end of the
corridor) and the first device.
f Keep the distance of less than 15 m
between two devices.
Narrow spaces or corridors (< 1 m wide)
In addition, observe the following for lo-
cations in narrow rooms or corridors that
are less than 1 m wide:
f Observe chapter "Rooms with
straight ceilings (slope angle < 20°)"
on page 42.
f Keep distance from surrounding walls
(exception: distance less than 0.5 m).
EN
EN
Operating Manual: PX-1 - Smoke Alarm Device
Rooms with slanted ceilings
(slope angle > 20°)
In rooms with ceiling slope angles of more
than 20° to the horizontal, heat build-ups
can occur in the ceiling peak which stop
smoke entering the smoke alarm device.
> 20°
Fig. 12 Rooms with slanted ceilings
Allowed
Not allowed
Note the following for locations in rooms
with slanted ceilings:
f Mount devices at least 0.5 m and at
a maximum of 1 m away from the
ceiling peak.
43