operation manual

EN
44
Operating Manual: PX-1 - Smoke Alarm Device Operating Manual: PX-1 - Smoke Alarm Device
EN
45
4.3 Rooms with slanted and
horizontal ceilings
> 1,00
> 20°
1/21/2
Fig. 16 Straight mounting surface at least
1 m long and 1 m wide
Allowed
Not allowed
Note the following for straight mounting
surface less than 1 m long and 1 m wide:
f Observe chapter “Rooms with
straight ceilings (slope angle < 20°)“
on page 43.
< 1,00
> 0,50
< 1,00
> 20°
Fig. 17 Straight mounting surface less
than 1 m long and 1 m wide
Allowed
Not allowed
Note the following for straight mounting
surface less than 1 m long and 1 m wide:
f Observe chapter “Rooms with
slanted ceilings (slope angle > 20°)“
on page 44.
Narrow spaces or corridors (1-3 m wide)
In addition, observe the following for loca-
tions 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 rst 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 43.
f Keep distance from surrounding walls
(exception: distance less than 0.5 m).
Rooms with slanted ceil-
ings (slope angle > 20°)
In rooms with ceiling slope angles of more
than 20° to the horizontal position, heat
pads can form in the ceiling peak that
impede the smoke entering the smoke
alarm device.
> 0,50
< 1,00
> 20°
Fig. 15 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.