– 24 –
– 25 –
> 1 m
> 20°
0,5 - 1 m
Special case: sloped ceilings
Special case: partially sloped ceilings
> 20°
• There are no special requirements for
ceilings sloped at an angle of < 20°.
• In the case of ceilings sloped at an
angle of > 20°, detectors should be
installed 0.5–1 m away from the
highest point.
• The instructions for fully sloped ceilings
apply for partially sloped ceilings with a
horizontal ceiling surface measuring
< 1 m in width.
• In the case of partially sloped ceilings
with a horizontal ceiling surface
measuring > 1 m, detectors should be
installed in the centre of the horizontal
surface.
The unit can detect a fire early on
on the basis of the rising smoke and
the connected temperature increase in
the temperature in the room.
In the event of fire, a loud alarm tone
sounds as a warning. If you are sure
that there is no genuine need to evac-
uate the building, you can temporar-
ily deactivate the alarm tone (for roughly
10 minutes) or disable the tone before
it is activated by gently pressing the
unit’s test and stop button (IV).
In such a case, it is advisable to
ventilate the affected rooms well to
prevent the alarm from being activated
a second time.
BATTERY FAULT WARNING
If a single brief signalling tone (“beep”)
sounds roughly every 90 seconds, the
battery capacity is low. If a double
brief signalling tone (“beep-beep”)
sounds roughly every 90 seconds, the
unit is no longer able to filter out
imperfections in the detection optics.
Both signalling tones can be tempo-
rarily deactivated (for 24 hours) by
GB
RM23 NF_DEGBNLIT.indd 24-25
27.07.17 10:18
