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This CO detector is not a replacement for smoke, fire or other detectors.
This detector cannot protect people with special medical conditions and might not prevent any
chronic health effects of carbon monoxide on the body. This is not a replacement for the correct
installation, use and periodic maintenance of combustion equipment, nor adequate ventilation of
spaces in which these devices are being used.
RECOMMENDED POSITIONING FOR THE COA-29:
• Install the CO detector in a bedroom, a hallway near the bedroom or the area near a
combustion device (boiler, water heater, gas stove, etc.). Check whether the alarm can be
heard inside bedrooms.
• In houses with multiple floors, it’s recommended to install a CO detector on each floor.
• Install the CO detector at least 2 meters away from combustion devices, within the air flow
from the combustion device. In the case of smaller spaces (<4m³), the detector should be
installed outside these spaces.
• Install the CO detector in spaces without open combustion devices, preferably 1.50m above the
floor and outside spaces without air flow. In bedrooms, install the detector at ‘face height while
sleeping’.
• Install the detector on a spot where the weekly check can be performed easily.
AVOID THE FOLLOWING PLACES FOR INSTALLATION:
• Never install the CO detector in spaces without air flow, such as roof ridges, arched ceilings or front
roofs.
• Never install the CO detector in the turbulent air from ceiling fans, nor place it near vents with fresh
air or close to doors and windows opening to the outside.
• Keep the CO detector away from extremely dusty, dirty or greasy spaces such as kitchens, garages
and heating spaces <4m
³
or pantries. Dust, grease and household chemicals can affect the sensor.
• Install the CO detector at least 0.5 meters away from gas discharge lamps (halogen) because of
electronic interferences that can lead to false alarms.
• Keep the CO detector away from humid and wet spaces. Do not use spray cans near the CO detector.
• Never install the CO detector in spaces with temperatures lower than 0°C or higher than 45°C, and
the humidity higher than 90%RH.
• Never install the CO detector behind curtains or furniture. Carbon monoxide must be able to reach
the sensor to ensure the sensor can properly detect carbon monoxide levels. NEVER place the CO
detector flat on a table or similar surface.
INSTALLATION INFORMATION:
Install the dector on a wall using plugs and screws or place it on a table. Insert the batteries into
the detector. The Status LED will briefly illuminate, the detector will emit a short beep tone and the
display briefly lights up. Now install the detector onto the mounting place and press the detector
down until correctly fastened. You can perform the first test by briefly pressing the test button, see
also paragraph “Testing and reset”.
USE:
The CO detector starts functioning after installing the batteries (High Energy Alkaline batteries
1.5V AA - LR6) and mounting the CO detector on the wall. The unit can only be placed onto the
mounting plate with the batteries in place. The green “POWER” LED will flash every 40 seconds
to indicate that the detector is working. When the sensor indicates an empty battery the detector
emits a short beep tone every minute, you should replace the batteries as soon as possible. When
these warnings start, the detector will continue to function correctly for at least 7 days. The table
below shows when the detector will sound the alarm.
