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A.
B.
Minimum protection:
a detector in a corridor
or stairwell at every level
and in every bedroom.
Optimum protection:
minimum detection extended
with the addition of a detector
in each living area or
basement.
Recommended
location
d > 50 cm
50 cm > d > 40 cm
Acceptable
location
d > 50 cm
C.
• in a room where there might be condensation or damp (do not use in bathrooms,
laundries, etc.)
• at the centre of a pointed ceiling (A-shaped), as the air pocket located here can
prevent smoke from reaching the detector (
Fig. C
),
• directly on to a metal wall: use a non-magnetic spacer (wooden or plastic).