AROHA CO11 Manuel D'utilisation page 7

Central location in the room, at least 30 centimeters from walls.
Avoid existing air inlets or outlets and other objects on the ceiling.
Avoid locations behind objects such as curtains and cupboards.
Mounting instructions: Use sticky pads or screws to mount the detector, or place the detector in the
desired location without permanently mounting it.
G. Maintenance and cleaning
There are a few steps you need do to keep it working properly:
Test the detector at least once a month.
Do not paint the detector. Paint will seal the vents and interfere with the sensor's ability to detect
CO.
Never attempt to disassemble the detector to clean inside. This will damage the detector and
possibly render it unuseable.
Clean the detector at least once a month to remove dust, dirt or debris. Use a vacuum cleaner
with a soft brush and vacuum all sides and covers of the detector.
Some materials, vapours or gases, can affect the reliability of the alarms in the short or long term.
Ethylene, ethanol, alcohol, iso-propanol, benzene, toluene, ethylacetate, hydrogen, hydrogen
sulfide and sulfur dioxide are substances that at high levels can damage the sensor or cause
temporary readings that are not CO readings. Also most aerosol sprays, alcohol based products,
paint, thinner, solvent, adhesive, hair spray, after shave, perfume, auto exhaust (cold start) and
some cleaning agents.
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