4
Concentration Symptoms
100 ppm No symptoms – no danger
200 ppm Slight headaches
400 ppm Strong headaches after 1–2 hours
800 ppm Strong headaches after 45 minutes, nausea, faintness and unconsciousness
after 2 hours
1 000 ppm Dangerous concentration – unconsciousness after 1 hour
1 600 ppm Nausea, strong headaches and dizziness after 20 minutes
3 200 ppm Nausea, strong headaches and dizziness after 5–10 minutes, unconsciousness
after 30 minutes
6 400 ppm Nausea, strong headaches and dizziness after 1–2 minutes, unconsciousness
after 10 –15 minutes
12 800 ppm Instant unconsciousness, risk of death after 1–2 minutes
All persons residing on the premises should be made aware of the symptoms of CO poisoning!
The device for monitoring CO concentration activates the alarm if it detects a certain concentration
of CO for a certain duration:
CO concentration in ppm
Alarm activation
≥30
120 min
≥50
60 to 90 min
≥100
10 to 40 min
≥300
within 3 min
Installation
The installation must be performed by a qualified person. Ideally, the warning device should be located
in every room with a fuel-burning device. It is strongly recommended to also install warning devices
in bedrooms and rooms where you spend a lot of time.
If the warning device is installed in the same room as the fuel-burning device:
• Place the warning device in the vicinity of the ceiling and above the level of the top edge of
windows and doors.
• When installing onto the ceiling, the warning device must be located at least 30 cm away from
walls.
When installing onto a wall, the warning device must be located at least 15 cm from the ceiling and
180 cm from the floor.
Do not install the warning device in rooms with vaulted ceilings, gable roof etc.
Do not install the warning device in the vicinity of ventilation openings or windows/doors that lead
outside.
Do not install the warning device behind curtains/furniture; doing so would decrease the ability of
the device to correctly detect the CO level.
Do not install the warning device in an area with temperature lower than -10 °C or higher than 40 °C.
If possible, install the warning device approximately at eye level for ease of checking the LED indicators.
If you are only installing one warning device, place it in the vicinity of the bedroom (not in the
basement etc.).
Make sure that you can hear all the installed warning devices from the room where you sleep.
The warning device must be located at a distance of 1 m to 3 m horizontally from the nearest edge
of a potential CO source.
Summary of Contents for GS827
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