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2.5 Locations to avoid
DON’T place Smoke, Heat or Multi-Sensor Fire Alarms in any of the following areas:
• Bathrooms, shower rooms or other rooms where the Alarm may be triggered by steam, condensation.
• Places where the normal temperature can exceed 40°C or be below 4°C (e.g. furnace rooms, directly
above ovens or kettles etc.) as the heat/steam could cause nuisance alarms.
• Near a decorative object, door, light fitting, window moulding etc., that may prevent heat or smoke
from entering the Alarm.
• Surfaces that are normally warmer or colder than the rest of the room (e.g. attic hatches).
Temperature differences might stop heat or smoke from reaching the Alarm.
<600mm
HEAT ALARMS
<150mm
SMOKE /
MULTI-SENSOR
ALARMS
APEX
xx
Fig.3
Sloping Ceiling
With a sloping or peaked ceiling install a
Smoke or Multi-Sensor Fire Alarm within
600mm of the peak (measured vertically)
and a Heat Alarm within 150mm. If the
height of the peak is less than 600mm in the
case of Smoke or Multi-Sensor Fire Alarms
or 150mm in the case of Heat Alarms, it is
regarded as being flat. (see Figure 3).
Wall mounting should only be considered where close spaced beams or similar obstructions may
preclude ceiling mounting. It is considered to be the responsibility of the installer/client to determine
if the presence of asbestos in the ceiling material would make ceiling mounting ‘impractical’.
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