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single room serving as both sitting and
bedroom) then the apparatus should be
put as far from the cooking appliances
as possible but near to where the person
sleeps.
• If the appliance is in a room not normally
used (for example a boiler room), the
apparatus should be put just outside the
room so that the alarm may be heard more
easily. Alternatively, a remote alarm siren
may be connected to a type A apparatus
located in a room(s) containing a fuel-
burning appliance.
Where in the room should I place the
detector?
Apparatus located in the same room as a
fuel-burning appliance:
For both wall and ceiling mounted apparatus
the following applies:
a
The apparatus should be at a horizontal
distance of between 1m and 3m from the
potential source.
b
If there is a partition in a room, the
apparatus should be located on the same
side of the partition as the potential source.
c
Carbon Monoxide detectors in rooms with
sloped ceilings should be located at the
high side of the room.
In addition to the above the following must
be observed:
If the apparatus is located on a wall:
a
it should be located close to the ceiling;
b
it should be located at a height greater
than the height of any door or window;
c
it should be at least 150mm from the
ceiling.
If the apparatus is located on the ceiling:
a
it should be at least 300mm from any
wall and any ceiling obstruction e.g. light
fittings.
Apparatus located in sleeping rooms
and in rooms remote from a fuel burning
appliance:
Apparatus located in sleeping rooms or
located in rooms remote from the fuel-burning
appliance should be located relatively close
to the breathing zone of the occupants
Where not to put the detector
The apparatus should not be installed:
• In an enclosed space (for example in a
cupboard or behind a curtain).
• Where it can be obstructed (for example
by furniture).
• Directly above a sink
• Next to a door or window
• Next to an extractor fan
• Next to an air vent or other similar
ventilation openings
• In an area where the temperature may
drop below -10°C or exceed 40°C
