19
ing, keeping a distance of at least 10 cm from any
surrounding wall.
3.
If it is not possible to position detector on the ceil
-
ing, place it on a wall at a distance of 10-15 cm
from the ceiling.
4.
In the case of a sloping ceiling, place it 3ft horizon
-
tally from the highest point of the ceiling.
5.
To prevent malfunction of the device, do not in
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