pyrexx PX-1C Operating Manual page 54

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 „Narrow spaces or
corridors (1-3 m wide)" on page 54
f Keep distance from surrounding walls
(exception: distance less than 0.5 m)
Narrow spaces or corridors
(floor space < 6 m
An exception are narrow rooms and cor-
ridors that have an area of less than 6 m
In this installation scenario, you can mount
the devices on the wall.
54
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2
Operating Manual: PX-1C - Smoke Alarm Device with Radio Link
f Position the device centrally on the
longer wall
f Mount the device 0.5 m below the ceiling
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.
> 20°
Fig. 5 Rooms with slanted ceilings
Allowed
.
2 Not allowed
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