3.2 Unsuitable locations
Do not place the CO alarm in any of the following areas.
In an enclosed space (for example in a cupboard or behind a curtain).
•
Where it can be obstructed (for example by furniture, curtains, etc.).
•
In a damp or humid area, e.g. Bathrooms, Wet rooms, etc.
•
Directly above a sink, cooker, steaming pots or kettles.
•
Next to an extractor fan, air vent, door, window or similar ventilation openings.
•
Over heat sources such as radiators or hot air vents.
•
Where the temperature could drop below –10°C or rise above 40°C and never outside.
•
Where dirt or dust could block the sensor.
•
Near paint, thinners, solvent fumes or air fresheners.
•
If locating the CO alarm in a room with a fuel burning appliance (see figure 1)
If the alarm is mounted on a wall, it should be located at a height greater than the height
•
of any door or window but still be at least 15 cm from the ceiling.
If it is mounted on the ceiling it should be at least 30 cm from any wall or light fitting.
•
The CO alarm should be a horizontal distance of between 1m and 3m from the potential
•
CO source.
If there is a partition in the room, the CO alarm should be located on the same side of the
•
partition as the potential source.
In rooms with sloped ceilings, the CO alarm should be located at the high side of the
•
room (see fig 2).
If locating the CO alarm in a bedroom or in rooms remote from a fuel burning
appliance (see figure 3)
Mount the CO alarm relatively close to the breathing zone of the occupants.
•
Whatever position is chosen make sure it is possible to view the three light indicators, when
in the vicinity of the alarm.
WARNING: Do not use the CO alarm on an intermittent basis, or as a portable
detector.
4 Installation Procedure
1.
Select a suitable location (paragraph 3.1).
2.
Remove the mounting plate from the packaging/alarm.
3.
Place the mounting plate on the ceiling or wall exactly where you want to mount the
alarm. With a pencil, mark the location of the two screw holes.
4.
Take care to avoid any electrical wiring already present in the ceiling or the wall; drill
holes using a 5.0mm drill bit through the centre of the marked locations. Push the
plastic screw anchors provided into the drilled holes. Screw the mounting plate to the
ceiling or wall.
5.
Do not mount the cover on the base when switch is on position "X" (figure7).
6.
Carefully line up the alarm on the base, then press home & twist on (this connects the
batteries). The red, amber & green lights will immediately flash in sequence to show
they are working.
7.
Press the test button (after 15 seconds) to ensure that the alarm works.
8.
Install all the other alarms similarly.
4.1 How to tamperproof the alarm
It is possible to protect against unauthorized removal of the alarm. Break off the small pillar
on the base of the alarm as shown in figure 4. To remove the alarm, use a small screwdriver
to release the catch (push the catch towards the ceiling) and then twist off the alarm
(figure 5).
If necessary it is possible to further secure or tamperproof the alarm by using a No.2 or No.4
self tapping screw (2 to 3mm diameter by 6 to 8mm long- not supplied), to firmly lock the
alarm and its mounting plate together (figure 6).
5 Registering the Detector
Registration is the procedure that associates the detector with the evohome security hub.
1.
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2.
Remove and re-fit the unit to the wall mount.
3.
A confirmation message appears after several seconds (up to 10 sec), indicating
registration of the sensor at the evohome security hub.
4.
Two beeps will confirm the successful enrolment. always register a sensor in its final
position.
Note: The switch on the PCB is for manufacturing purposes only (this is not for
registration).
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