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INSTALLATION

WHERE TO INSTALL CO ALARMS

The National Fire Protection Association (NFPA) recommends that a CO Alarm
should be centrally located outside of each separate sleeping area in the
immediate vicinity of the bedrooms. For added protection, install additional
CO Alarms in each separate bedroom, and on every level of your home.

If your bedroom hallway is longer than 40 feet (12 meters), install a CO Alarm
at BOTH ends of the hallway.

In a Single-level Home:

Install at least one CO Alarm near or within each separate sleeping area.

For added protection, install an additional CO Alarm at least 20 feet 
(6 meters) away from the furnace or fuel burning heat source.

In a Multi-level Home:

Install at least one CO Alarm near or within each separate sleeping area.

For added protection, install at least one CO Alarm on each level of the
home.

For added protection, install an additional CO Alarm at least 20 feet
(6 meters) away from the furnace or fuel burning heat source.

In Mobile Homes:

Install CO Alarms on inside walls ONLY. Uninsulated outside walls and
roofs of mobile homes often transfer heat and cold from outdoors. The
Alarm should be located at least 152 mm (6 inches) from all exterior walls
and at least 305 mm (12 inches) from supply or return vents.

WHERE CO ALARMS SHOULD NOT BE
INSTALLED

DO NOT LOCATE THIS CO ALARM:

In garages, kitchens, furnace rooms, or in any extremely dusty, dirty or
greasy areas.

Within 5 feet (1.5 meters) of any cooking appliance.

In extremely humid areas. This alarm should be at least 10 feet (3 meters)
from a bath or shower, sauna, humidifier, vaporizer, dishwasher, laundry
room, utility room or other source of high humidity.

In areas where temperature is colder than 40˚ F (4˚ C) or hotter than 100˚ F
(38˚ C). These areas include unconditioned crawl spaces, unfinished
attics, uninsulated or poorly insulated ceilings, porches, and garages.

In turbulent air, like near ceiling fans, heat vents, air conditioners, 
fresh air returns, or open windows. Blowing air may prevent CO from
reaching the sensors.

Outside the Mobile Home.

In direct sunlight.

•  This CO Alarm is designed for use inside a single-family home or

apartment. It is not meant to be used in common lobbies, hallways,
or basements of multi-family buildings unless working CO Alarms
are also installed in each family living unit. CO Alarms in common
areas may not be heard from inside individual family living units.

•  This CO Alarm alone is not a suitable substitute for complete

detection systems in places which house many people, like hotels
or dormitories, unless a CO Alarm is also placed in each unit.

•  DO NOT use this CO Alarm in warehouses, industrial or commercial

buildings, special-purpose non-residential buildings, or airplanes.
This CO Alarm is specifically designed for residential use, and may
not provide adequate protection in non-residential applications.

CO ALARM

Sensor has detected enough CO to trigger an alarm. Light flashes rapidly 
and horn sounds loudly (repeating 4 beeps, pause). See “If Your CO Alarm
Sounds” for details. 

During an alarm, move everyone to a source of fresh

air. DO NOT move the CO Alarm!

DURING TESTING

Light flashes Red in sync with the horn pattern (4 beeps, pause, 4 beeps),
simulating a CO Alarm condition.

2

UNDERSTANDING YOUR CO ALARM

LOW BATTERY WARNING

The light continues to flash (RED) and the horn also “chirps” once every
minute. This warning should last for up to 30 days, but you should replace 
the batteries as soon as possible.

WELCOME CHIRP

Horn chirps and light blinks once when batteries are first connected.

ALARM RECEIVING BATTERY POWER

Light flashes every minute. Horn is silent.

CO ALARM REQUIRES SERVICE (MALFUNCTION SIGNAL)

The light flashes (RED) and the horn sounds 3 quick “chirps” every minute. 
CO Alarm needs to be replaced.

GARAGE

SUGGESTED AREAS FOR INSTALLING ADDITIONAL CO ALARMS

BEDROOM

BEDROOM

HALL

LIVING ROOM

KITCHEN

BASEMENT

BEDROOM

REQUIRED TO MEET NFPA RECOMMENDATIONS

Содержание First Alert CO400

Страница 1: ...esence of carbon monoxide gas at the sensor Carbon monoxide gas may be present in other areas The Silence Feature is for your convenience only and will not correct a CO problem Always check your home for a potential problem after any alarm Failure to do so can result in injury or death NEVER ignore your Carbon Monoxide Alarm if it alarms Refer to If Your CO Alarm Sounds for more information Failur...

Страница 2: ...nd garages In turbulent air like near ceiling fans heat vents air conditioners fresh air returns or open windows Blowing air may prevent CO from reaching the sensors Outside the Mobile Home In direct sunlight This CO Alarm is designed for use inside a single family home or apartment It is not meant to be used in common lobbies hallways or basements of multi family buildings unless working CO Alarm...

Страница 3: ...re Removing the batteries removes your protection See If Your CO Alarm Sounds for details on responding to an alarm The Silence Feature is intended to temporarily silence your CO Alarm s alarm horn while you correct the problem it will not correct a CO problem While the alarm is silenced it will continue to monitor the air for CO When CO reaches alarm levels the alarm will sound repeating horn pat...

Страница 4: ... appliances Make sure appliances are vented to the outside Do not grill or barbecue indoors or in garages or on screen porches Check for exhaust backflow from CO sources Check the draft hood on an operating furnace for a backdraft Look for cracks on furnace heat exchangers Check the house or garage on the other side of shared wall Keep windows and doors open slightly If you suspect that CO is esca...

Страница 5: ... air in the vent pipes cold humid air with extended periods between cycles Negative pressure differential resulting from the use of exhaust fans Several appliances running at the same time competing for limited fresh air Vent pipe connections vibrating loose from clothes dryers furnaces or water heaters Obstructions in or unconventional vent pipe designs which can amplify the above situations 2 Ex...

Страница 6: ...ot be liable for any incidental or consequential damages caused by the breach of any express or implied warranty Except to the extent prohibited by applicable law any implied warranty of merchantability or fitness for a particular purpose is limited in duration to the duration of the above warranty Some states provinces or jurisdictions do not allow the exclusion or limitation of incidental or con...

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