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and this equipment. Make sure that motor
vehicles are not, and have not been, operating in
an attached garage or adjacent to the residence.
This information is available as a label provided
in the box. Stick it in a spot where everyone can
see it, like the refrigerator.
THE FOLLOWING CONDITIONS CAN RESULT IN
TRANSIENT CO SITUATIONS
1. Excessive spillage or reverse venting of fuel
burning appliances caused by:
I) Outdoor ambient conditions such as wind
direction and/or velocity, including high
gusts of wind; heavy air in the vent pipes
(cold/humid air with extended periods
between cycles).
II) Negative pressure differential resulting
from the use of exhaust fans.
III) Simultaneous operation of several fuel
burning appliances competing for limited
internal air.
IV) Vent pipe connection vibrating loose from
clothes dryers, furnaces, or water heaters.
V) Obstructions in or unconventional vent pipe
designs which amplify the above situations.
2. Extended operation of unvented fuel burning
devices (range, oven, fireplace, etc.).
3. Temperature inversions which can trap
exhaust gases near the ground.
4. Car idling in an open or closed attached
garage, or near a home.
5. NEVER bring a charcoal grill inside and
ALWAYS operate a portable generator outside,
a safe distance from the house, and well away
from windows.
PHONE NUMBER:
PHONE NUMBER:
WHAT TO DO IN CASE OF A CARBON
MONOXIDE ALARM
WARNING
Actuation of your CO alarm indicates the
presence of carbon monoxide (CO) which
can KILL YOU.
If alarm signal sounds:
1) Operate reset/silence button (Press NEST
button);
2) Call your emergency services [fire dept. or 911];
3) Immediately move to fresh air – outdoors or
by an open door/window. Do a head count to
check that all persons are accounted for. Do
not reenter the premises nor move away from
the open door/window until the emergency
services responders have arrived, the
premises have been aired out, and your alarm
remains in its normal condition.
4) After following steps 1 – 3, if your alarm
reactivates within a 24 hour period, repeat steps
1 – 3 and call a qualified appliance technician
to investigate for sources of CO from fuel
burning equipment and appliances, and
inspect for proper operation of this equipment.
If problems are identified during this inspection
have the equipment serviced immediately. Note
any combustion equipment not inspected by
the technician and consult the manufacturers’
instructions, or contact the manufacturers
directly, for more information about CO safety
WARNING
The alarm only indicates the presence
of carbon monoxide gas at the sensor.
Carbon monoxide gas may be present
in other 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:
š Mild Exposure: Slight headache, nausea,
vomiting, fatigue (often described as
‘Flu-like’ symptoms).
š Medium Exposure: Severe throbbing headache,
drowsiness, confusion, fast heart rate.
š Extreme Exposure: Unconsciousness,
convulsions, cardiorespiratory failure, death.
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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
pets are 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
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homes with added insulation, sealed windows,
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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:
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60-240 minutes.
š7j'+&FFC"j^[kd_jckijWbWhcm_j^_d
10-50 minutes.
š7j*&&FFC"j^[kd_jckijWbWhcm_j^_d
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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