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24
WARNING
The alarm only indicates the presence
of carbon monoxide gas at the sensor.
Carbon monoxide gas may be present
inother areas.
Individuals with certain medical problems should
consider using detection devices with lower COHb
alarming capabilities and consider warning
devices which provide audible and visual signals for
carbon monoxide concentrations under 30 ppm.
SYMPTOMS OF CO POISONING
The following symptoms are related to CARBON
MONOXIDE POISONING and are to be discussed
with ALL members of the household:
• Mild Exposure: Slight headache, nausea,
vomiting, fatigue (often described as
‘Flu-like’ symptoms).
• Medium Exposure: Severe throbbing headache,
drowsiness, confusion, fast heart rate.
• Extreme Exposure: Unconsciousness,
convulsions, cardiorespiratory failure, death.
• Many cases of reported CARBON MONOXIDE
POISONING indicate that while victims are
aware they are not well, they become so
disoriented they are unable to save themselves
by either exiting the building or calling for
assistance. Young children and household
petsare typically the first affected.
CARBON MONOXIDE CO PRECAUTIONS
WHAT IS CARBON MONOXIDE?
Carbon Monoxide (CO) is an invisible, odorless,
tasteless gas produced when fuels do not burn
completely, or are exposed to heat (usually fire).
These fuels include: wood, coal, charcoal, oil
natural gas, gasoline, kerosene, and propane.
Common appliances are often sources of
CO. such as oil or gas burning furnaces, gas
ovens, wood-burning fireplaces, and charcoal
grills. If they are not properly maintained, are
improperly ventilated or malfunction, CO levels
can rise quickly. CO is a real danger now that
homes are more energy efficient. “Air-tight”
homes with added insulation, sealed windows,
and other weatherproofing can “trap” CO inside.
Electrical appliances typically do not produce CO.
The Nest Protect CO sensor meets the alarm
response time requirements of the American
National Standard ANSI/UL 2034. Standard
alarm times are as follows:
• At 70 PPM, the unit must alarm within
60-240 minutes.
• At 150 PPM, the unit must alarm within
10-50 minutes.
• At 400PPM, the unit must alarm within
4 to 15 minutes.
WARNING
This carbon monoxide alarm is designed
to detect carbon monoxide from
any source of combustion. It is NOT
designed to detect any other gas.
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