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The locations must comply with applicable building regulations.
Hot smoke rises and spreads out, so a central ceiling position is the preferred location.
The air is "dead" and does not move in corners, therefore alarms must be mounted away
from corners. Place the Alarm:
- At least 300mm away from walls. See Figure 1.
- At least 300mm from any light fitting or decorative object which might obstruct smoke
/ heat entering the Alarm.
Note: Ceiling mounting is recommended - do not wall mount Alarms.
Sloping Ceiling
With a sloping or peaked ceiling install a Smoke Alarm within 600mm of the peak or a Heat
Alarm within 150mm of the peak (measured vertically). If this height is less than 600mm for
Smoke Alarms or 150mm for Heat Alarms it is regarded as being flat (see Figure 2).
Figure 1
3. Positioning Alarms
0.3m
300mm
300mm (min)
SMOKE ALARMS
<600mm
HEAT ALARMS
<150mm
Figure 2
11
APEX
x
900mm
x
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