BRK electronic Carbon Monoxide Alarm FCD3N User Manual

POTENTIAL SOURCES OF CO IN THE HOME  
WHAT THE LIGHTS AND ALARM TONES MEAN  
HOW TO INSTALL YOUR CO ALARM  
TESTING & MAINTENANCE  
WEEKLY TESTING  
Read “Where To Install Your CO Alarm” before starting. This CO Alarm  
can be used on a tabletop or mounted on the wall. For tabletop use, choose  
a table no taller than 36” (92 cm); a fall from a high table could damage the  
CO Alarm’s sensitive components.  
The following conditions can result in transient CO situations:  
WELCOME CHIRP  
CO ALARM REQUIRES SERVICE  
USER’S MANUAL  
BATTERY OPERATED CARBON MONOXIDE ALARM  
WITH SILENCE FEATURE  
1. Excessive spillage or reverse venting of fuel appliances caused by outdoor  
conditions such as:  
Test the CO Alarm once a week. If the CO Alarm ever fails to test  
correctly, have it replaced immediately! If the CO Alarm is not work-  
ing properly, it cannot alert you to a problem.  
Before you start installation, find the pair of self-adhesive labels included  
with this CO Alarm. On each label write in the phone number of your emer-  
gency responder (like 911) and a qualified appliance technician. Place one  
label near the CO Alarm, and the other label in the “fresh air” location you  
plan to go if the alarm sounds.  
• Wind direction and/or velocity, including high, gusty winds. Heavy air in  
the vent pipes (cold/humid air with extended periods between cycles).  
• Negative pressure differential resulting from the use of exhaust fans.  
Horn chirps and battery light blinks  
The SERVICE light flashes YELLOW  
DO NOT stand close to the Alarm when the horn is sounding.  
Exposure at close range may be harmful to your hearing. When  
testing, step away when horn starts sounding.  
• Several appliances running at the same time competing for limited  
fresh air.  
green once when battery is first  
connected.  
and the horn sounds 3 quick  
“chirps” every 30 seconds. CO  
Alarm needs to be replaced.  
NOTE: A qualified appliance technician is defined as “a person, firm,  
corporation, or company that either in person or through a representative,  
is engaged in and responsible for the installation, testing, servicing, or  
replacement of heating, ventilation, air conditioning (HVAC) equipment,  
combustion appliances and equipment, and/or gas fireplaces or other  
decorative combustion equipment.”  
• Vent pipe connections vibrating loose from clothes dryers, furnaces, or  
water heaters.  
Push and hold the Test/Silence button on the cover until you hear a “chirp.”  
The “chirp”marks the start of the self-test sequence.  
• Obstructions in or unconventional vent pipe designs which can amplify  
the above situations.  
ALARM RECEIVING  
BATTERY POWER  
CO ALARM IS IN ALARM  
First, the BATTERY (green) and SERVICE (yellow) lights will flash briefly—  
this is normal.  
2. Extended operation of unvented fuel burning devices (range, oven,  
fireplace).  
INSTALLING THE 9V BATTERY  
Fuel-burning appliances like: portable heater, gas or wood burning fireplace,  
gas kitchen range or cooktop, gas clothes dryer.  
CONFORMS  
TO UL 2034  
Next, the alarm horn will sound: 4 beeps, a pause, then 4 beeps. The  
ALARM (red) light will flash quickly.  
3. Temperature inversions, which can trap exhaust close to the ground.  
4. Car idling in an open or closed attached garage, or near a home.  
Damaged or insufficient venting: corroded or disconnected water heater  
vent pipe, leaking chimney pipe or flue, or cracked heat exchanger, blocked  
or clogged chimney opening.  
STANDARD  
Printed in Mexico  
The alarm sequence should last 5-6 seconds. If it does not alarm, make sure  
a fresh battery is correctly installed, and test it again. If the unit still does not  
alarm, replace it immediately.  
M08-0013-003  
P
06/07  
These conditions are dangerous because they can trap exhaust in your  
home. Since these conditions can come and go, they are also hard to recreate  
during a CO investigation.  
Model FCD3N  
Sensor has detected enough CO  
to trigger an alarm. ALARM light  
flashes RED rapidly and horn  
sounds loudly. See “If Your CO  
Alarm Sounds” for details.  
Improper use of appliance/device: operating a barbecue grill or vehicle in  
BATTERY light flashes GREEN  
every 30 seconds. Horn is silent.  
an enclosed area (like a garage or screened porch).  
If the alarm does not test properly:  
1. Make sure a fresh battery is installed correctly.  
2. Be sure the Alarm is clean and dust-free.  
Transient CO Problems: “transient” or on-again-off-again CO problems can  
be caused by outdoor conditions and other special circumstances.  
IMPORTANT!  
PLEASE READ CAREFULLY AND SAVE.  
This user’s manual contains important information about your Carbon  
Monoxide (CO) Alarm’s operation. If you are installing this CO Alarm for use  
by others, you must leave this manual—or a copy of it—with the end user.  
1. Slide the mounting bracket/battery door off the back of the CO Alarm.  
LOW BATTERY WARNING  
“ALARM-MOVE TO FRESH AIR”  
3. Install a fresh 9V alkaline or lithium battery* and test the alarm again.  
UNDERWRITERS LABORATORIES INC. UL2034  
2. Attach the 9V battery (included) to the battery connector inside the  
battery compartment. Make sure the battery snaps in securely, and  
cannot be shaken loose.  
During an alarm, move everyone  
to a source of fresh air. DO NOT  
move the CO Alarm!  
WHAT LEVELS OF CO CAUSE AN ALARM?  
DO NOT try fixing the Alarm yourself – this will void your warranty!  
If the CO Alarm is still not operating properly, and it is still under  
warranty, please see "How to Obtain Warranty Service" in the Limited  
Warranty. Install a new CO Alarm immediately.  
Why is this important? Because you need to be warned of a potential CO  
problem while you can still react in time. In many reported cases of CO  
exposure, victims may be aware that they are not feeling well, but become  
disoriented and can no longer react well enough to exit the building or get  
help. Also, young children and pets may be the first affected. The average  
healthy adult might not feel any symptoms when the CO Alarm sounds.  
However, people with cardiac or respiratory problems, infants, unborn babies,  
pregnant mothers, or elderly people can be more quickly and severely affected  
by CO.If you experience even mild symptoms of CO poisoning, consult your  
doctor immediately!  
Underwriters Laboratories Inc. Standard UL2034 requires residential CO  
Alarms to sound when exposed to levels of CO and exposure times as  
described below. They are measured in parts per million (ppm) of CO over  
time (in minutes).  
TABLE OF CONTENTS  
3. Place the battery and connector back inside the battery compartment.  
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1  
Basic Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1  
How Your CO Alarm Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1  
What the Lights and Alarm Tones Mean . . . . . . . . . . . . . . . . . . . . . . . .2  
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2  
Where to Install CO Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2  
Where CO Alarms Should NOT Be Installed . . . . . . . . . . . . . . . . . . . . .2  
How to Install Your CO Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3  
If Your CO Alarm Sounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3  
If the Alarm Signal Sounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3  
Using the Silence Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3  
The BATTERY light continues to  
flash GREEN and the horn “chirps”  
every 30 seconds. This warning  
should last for up to 30 days, but  
you should replace the battery as  
soon as possible.  
For your safety, the CO Alarm will not close until a 9V battery is installed.  
UL2034 Required Alarm Points*:  
The Test/Silence button is the only proper way to test the CO Alarm.  
NEVER use vehicle exhaust! Exhaust may cause permanent damage  
and voids your warranty.  
If the alarm is exposed to 400 ppm of CO, IT MUST ALARM BETWEEN  
4 and 15 MINUTES.  
FOR TABLETOP USE  
1. Close the battery compartment by sliding the  
mounting bracket/battery door back onto the  
back of the CO Alarm.  
If the alarm is exposed to 150 ppm of CO, IT MUST ALARM BETWEEN  
10 and 50 MINUTES.  
*For a list of acceptable replacement batteries, see “Regular Maintenance.”  
Standards: Underwriters Laboratories Inc. Single and Multiple Station carbon  
monoxide alarms UL2034.  
If the alarm is exposed to 70 ppm of CO, IT MUST ALARM BETWEEN  
60 and 240 MINUTES.  
2. Test the CO Alarm as described below.  
REGULAR MAINTENANCE  
According to Underwriters Laboratories Inc. UL2034, Section 1-1.2: “Carbon  
monoxide alarms covered by these requirements are intended to respond to  
the presence of carbon monoxide from sources such as, but not limited to,  
exhaust from internal-combustion engines, abnormal operation of fuel-fired  
appliances, and fireplaces. CO Alarms are intended to alarm at carbon  
monoxide levels below those that could cause a loss of ability to react to the  
dangers of Carbon Monoxide exposure.” This CO Alarm monitors the air at  
the Alarm, and is designed to alarm before CO levels become life threatening.  
This allows you precious time to leave the house and correct the problem.  
This is only possible if Alarms are located, installed, and maintained as  
described in this manual.  
To keep the CO Alarm in good working order:  
3. Set the CO Alarm in plain view on a table where  
it will not be blocked by any obstructions.Table  
height should not exceed 36” (92 cm).Put the CO  
Alarm where children and pets cannot reach it.  
* Approximately 10% COHb exposure at levels of 10% to 95% Relative  
Humidity (RH).  
Test it every week using the Test/Silence button.  
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.  
The unit is designed not to alarm when exposed to a constant level  
of 30 ppm for 30 days.  
Vacuum the CO Alarm cover once a month, using the soft brush attach-  
ment. Never use water, cleaners, or solvents, since these may damage the  
unit. Test the CO Alarm again after vacuuming.  
Testing and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4  
Weekly Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4  
Regular Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4  
TO TEST THIS CO ALARM:  
Push and hold the Test/Silence button on the cover until you hear  
a “chirp.” The “chirp” marks the start of the self-test sequence.  
Replace the battery when the CO Alarm “chirps” twice a minute (the low  
battery warning).  
CO Alarms are designed to alarm before there is an immediate life threat.  
Since you cannot see or smell CO, never assume it’s not present.  
What You Need To Know About CO . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6  
What is CO? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4  
Symptoms of CO Poisoning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4  
Finding the Source of CO After an Alarm . . . . . . . . . . . . . . . . . . . . . . .4  
How Can I Protect My Family? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4  
Potential Sources of CO in the Home . . . . . . . . . . . . . . . . . . . . . . . .5-6  
An exposure to 100 ppm of CO for 20 minutes may not affect average,  
healthy adults, but after 4 hours the same level may cause headaches.  
The low battery warning should last for 30 days, but you should replace the  
battery immediately to continue your protection.  
First, the yellow and green lights will flash briefly—this is normal.  
If your bedroom hallway is longer than 40 feet 12 meters), install a CO Alarm  
at BOTH ends of the hallway.  
Gas Detection at Typical Temperature and Humidity Ranges: The CO  
Alarm is not formulated to detect CO levels below 30 ppm typically. UL tested  
for false alarm resistance to Methane (500 ppm), Butane (300 ppm), Heptane  
(500 ppm), Ethyl Acetate (200 ppm), Isopropyl Alcohol (200 ppm) and Carbon  
Dioxide (5000 ppm). Values measure gas and vapor concentrations in parts  
per million.  
Next, the alarm horn will sound: 4 beeps, a pause, then 4 beeps.  
The red light will flash quickly.  
An exposure to 400 ppm of CO may cause headaches in average, healthy  
adults after 35 minutes, but can cause death after 2 hours.  
Choosing a replacement battery:  
This CO Alarm requires one standard 9V alkaline battery. The following alka-  
line batteries are acceptable as replacements: Duracell #MN1604 or MX1604;  
Eveready “Energizer” 522. You can also use an Ultralife 9 volt lithium battery  
#U9VL for longer service life between battery changes. These replacement  
batteries are commonly available at local retail stores.  
The alarm sequence should last 5-6 seconds. If it does not alarm, make  
sure a fresh battery is correctly installed, and test it again. If the unit still  
does not alarm, replace it immediately.  
Underwriters Laboratories Inc. UL2034 . . . . . . . . . . . . . . . . . . . . . . . . . .5-6  
General Limitations of CO Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6  
Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6  
Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6  
This CO Alarm measures exposure to CO over time. It alarms if CO levels  
are extremely high in a short period of time, or if CO levels reach a certain  
minimum over a long period of time. The CO Alarm generally sounds an  
alarm before the onset of symptoms in average, healthy adults.  
Audible Alarm: 85dB minimum at 10 feet (3 meters).  
TO MOUNT ON THE WALL  
Tools you will need: pencil, drill with 3/16” or 5mm drill bit, flathead  
screwdriver, hammer.  
© 2007 BRK Brands, Inc., a Jarden Corporation company (NYSE: JAH)  
3901 Liberty Street Road, Aurora, IL 60504-8122  
All rights reserved.  
Use only the alkaline or lithium replacement batteries listed. The unit may not  
operate properly with other batteries. Never use rechargeable batteries since  
they may not provide a constant charge.  
BEDROOM  
BEDROOM  
KITCHEN  
BEDROOM  
GENERAL LIMITATIONS OF CO ALARMS  
1. Choose a location on the wall. Do not install  
the Alarm closer than 4” from where the  
wall meets the ceiling.  
Consumer Affairs: (800) 323-9005  
This CO Alarm is intended for residential use. It is not intended for  
use in industrial applications where Occupational Safety and Health  
Administration (OSHA) requirements for carbon monoxide detectors  
must be met.  
CO Alarms may not be heard. The alarm horn loudness meets or exceeds  
current UL standards of 85 dB at 10 feet (3 meters). However, if the CO Alarm  
is installed outside the bedroom, it may not wake up a sound sleeper or one  
who has recently used drugs or has been drinking alcoholic beverages. This  
is especially true if the door is closed or only partly open. Even persons who  
are awake may not hear the alarm horn if the sound is blocked by distance or  
closed doors. Noise from traffic, stereo, radio, television, air conditioner, or  
other appliances may also prevent alert persons from hearing the alarm horn.  
This CO Alarm is not intended for people who are hearing impaired.  
GARAGE  
HALL  
LIVING ROOM  
DO NOT spray cleaning chemicals or insect sprays directly on or near  
the CO Alarm. DO NOT paint over the CO Alarm. Doing so may cause  
permanent damage.  
2. Hold the mounting bracket against the wall,  
and make a mark inside each keyhole  
where you will drill your mounting hole.  
INTRODUCTION  
BASIC SAFETY INFORMATION  
CO alarms may not waken all individuals. If children or others do not readily  
waken to the sound of the CO alarm, or if there are infants or family members  
with mobility limitations, make sure that someone is assigned to assist them in  
the event of an emergency.  
3. Use a 3/16” drill bit to drill through the  
marks you made for the mounting holes.  
BASEMENT  
Household cleaners, aerosol chemicals, and other contaminants can affect the  
sensor. When using any of these materials near the CO Alarm, make sure the  
room is well ventilated.  
4. Insert the plastic screw anchors into the mounting holes until they are  
flush with the wall. If necessary, tap them gently with a hammer.  
Dangers, Warnings, and Cautions alert you to important operating  
instructions or to potentially hazardous situations. Pay special  
attention to these items.  
REQUIRED TO MEET NFPA RECOMMENDATIONS  
SUGGESTED AREAS FOR INSTALLING ADDITIONAL CO ALARMS  
CO Alarms will not work without power. This alarm requires a 9V alkaline or  
CO Alarms are not a substitute for a smoke alarm. Although fire is a source  
of carbon monoxide, this CO Alarm does not sense smoke or fire. This CO  
Alarm senses CO that may be escaping unnoticed from malfunctioning  
furnaces, appliances, or other sources. Early warning of fire requires the  
installation of smoke alarms.  
lithium battery to operate.  
5. Line up the mounting bracket up with the  
screw anchors, and screw the bracket onto  
the wall.  
CO Alarms for Solar or Wind Energy users and battery backup power  
systems: AC powered CO Alarms should only be operated with true or pure  
sine wave inverters. Operating this Alarm with most battery-powered UPS  
(uninterruptible power supply) products or square wave or “quasi sine wave”  
inverters will damage the Alarm. If you are not sure about your inverter or  
UPS type, please consult with the manufacturer to verify.  
WHAT YOU NEED TO KNOW ABOUT CO  
WHAT IS CO?  
CO is an invisible, odorless, tasteless gas produced when fossil fuels do not  
burn completely, or are exposed to heat (usually fire). Electrical appliances  
typically do not produce CO.  
THIS IS NOT A SMOKE ALARM! This CO Alarm is designed to detect  
carbon monoxide from ANY source of combustion. It is NOT designed  
to detect smoke, fire, or any other gas.  
In a Single-level Home:  
Install at least one CO Alarm near or within each separate sleeping area.  
6. Slide the CO Alarm onto the mounting  
bracket until you feel it click into place.  
CO Alarms are not a substitute for life insurance. Though these CO Alarms  
warn against increasing CO levels, BRK Brands, Inc. does not warrant or imply  
in any way that they will protect lives from CO poisoning. Homeowners and  
renters must still insure their lives.  
This CO Alarm is approved for use in single-family residences.  
It is NOT designed for marine use.  
For added protection, install an additional CO Alarm at least 20 feet  
(6 meters) away from the furnace or fuel burning heat source.  
7. Test the CO Alarm as described in “To Test  
this CO Alarm.”  
This CO Alarm will not sense carbon monoxide that does not reach the  
sensor. This CO Alarm will only sense CO at the sensor. CO may be present  
in other areas. Doors or other obstructions may affect the rate at which CO  
reaches the CO Alarm. For this reason, if bedroom doors are usually closed  
at night, we recommend you install a CO Alarm in each bedroom and in the  
hallway between them.  
In a Multi-level Home:  
These fuels include: Wood, coal, charcoal, oil, natural gas, gasoline,  
kerosene, and propane.  
CO Alarms have a limited life. Although the CO Alarm and all of its parts  
have passed many stringent tests and are designed to be as reliable as  
possible, any of these parts could fail at any time. Therefore, you must test  
your CO Alarm weekly.  
Install at least one CO Alarm near or within each separate sleeping area.  
This CO Alarm will only indicate the presence of carbon monoxide gas  
at the sensor. Carbon monoxide gas may be present in other areas.  
For added protection, install at least one CO Alarm on each level of the  
home. If you have a basement, install that CO Alarm at the top of the  
basement stairs.  
Common appliances are often sources of CO. If they are not properly main-  
tained, 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.  
IF YOUR CO ALARM SOUNDS  
CO Alarms are not foolproof. Like all other electronic devices, CO Alarms  
have limitations. They can only detect CO that reaches their sensors. They  
may not give early warning to rising CO levels if the CO is coming from a  
remote part of the home, away from the CO Alarm.  
CO Alarms may not sense CO on another level of the home. For example,  
a CO Alarm on the second level, near the bedrooms, may not sense CO in the  
basement. For this reason, one CO Alarm may not give adequate warning.  
Complete coverage is recommended. Place CO Alarms on each level of the home.  
Actuation of your CO Alarm indicates the presence of carbon monoxide  
(CO) which can kill you. In other words, when your CO Alarm sounds,  
you must not ignore it!  
For added protection, install an additional CO Alarm at least 20 feet  
(6 meters) away from the furnace or fuel burning heat source.  
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.  
In a Mobile Home:  
SYMPTOMS OF CO POISONING  
These symptoms are related to CO POISONING and should be discussed  
with ALL household members.  
IF THE ALARM SIGNAL SOUNDS:  
1. Operate the Test/Silence button.  
Install CO Alarms on inside walls ONLY. Uninsulated outside walls and  
roofs of mobile homes often transfer heat and cold from outdoors.  
NEVER ignore your Carbon Monoxide Alarm if it alarms. Refer to  
“If Your CO Alarm Sounds” for more information. Failure to do so  
can result in injury or death.  
2. Call your emergency services, fire department or 911. Write down the  
number of your local emergency service here:  
Mild Exposure:  
TROUBLESHOOTING GUIDE  
THIS MEANS...  
Slight headache, nausea, vomiting, fatigue (“flu-like” symptoms).  
Test the CO Alarm once a week. If the CO Alarm ever fails to test  
correctly, have it replaced immediately! If the CO Alarm is not  
working properly, it cannot alert you to a problem.  
WHERE CO ALARMS SHOULD NOT BE  
INSTALLED  
PROBLEM...  
YOU SHOULD...  
_________________________________________________________________  
Medium Exposure:  
Throbbing headache, drowsiness, confusion, fast heart rate.  
3. Immediately move to fresh air—outdoors or by an open door or window.  
Do a head count to check that all persons are accounted for. Do not re-  
enter the premises, or move away from the open door or window until the  
emergency services responder has arrived, the premises have been aired  
out, and your CO Alarm remains in its normal condition.  
DO NOT LOCATE THIS CO ALARM:  
This product is intended for use in ordinary indoor locations of family  
living units. It is not designed to measure CO levels in compliance  
with Occupational Safety and Health Administration (OSHA)  
commercial or industrial standards. Individuals with medical  
conditions that may make them more sensitive to carbon monoxide  
may consider using warning devices which provide audible and  
visual signals for carbon monoxide concentrations under 30 ppm.  
For additional information on carbon monoxide and your medical  
condition contact your physician.  
The BATTERY Light continues to flash GREEN and  
the horn “chirps” every 30 seconds.  
Low battery warning.  
Install a new 9V alkaline or lithium battery*.  
Extreme Exposure:  
Convulsions, unconsciousness, heart and lung failure. Exposure to carbon  
monoxide can cause brain damage, death.  
In garages, kitchens, furnace rooms, or in any extremely dusty, dirty or  
greasy areas.  
Horn chirps and yellow service light blinks three  
times every 30 seconds.  
CO Alarm needs to be replaced.  
CO Alarms under warranty should be returned to  
manufacturer for replacement. See “Limited  
Warranty” for details.  
Closer than 20 feet (6 meters) from a furnace or other fuel burning heat  
source, or fuel burning appliances like a water heater.  
4. After following steps 1-3, if your CO Alarm reactivates within a 24-hour  
period, repeat steps 1-3 and call a qualified appliance technician to inves-  
tigate 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 and this equipment. Make sure that  
motor vehicles are not, and have not, been operating in an attached  
garage or adjacent to the residence. Write down the number of a qualified  
appliance technician here:  
Some individuals are more sensitive to CO than others, including people  
with cardiac or respiratory problems, infants, unborn babies, pregnant  
mothers, or elderly people can be more quickly and severely affected by  
CO. Members of sensitive populations should consult their doctors for  
advice on taking additional precautions.  
Within 5 feet (1.5 meters) of any cooking appliance.  
CO Alarm goes back into alarm 4 minutes after you  
press the Test/Silence button.  
CO levels indicate a potentially dangerous situation.  
IF YOU ARE FEELING SYMPTOMS OF CO  
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.  
POISONING, EVACUATE your home and call 911 or  
the Fire Department. If not, press the Test/Silence  
button again and keep ventilating your home.  
HOW YOUR CO ALARM WORKS  
GENERAL INFORMATION  
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.  
FINDING THE SOURCE OF CO AFTER AN ALARM  
Carbon monoxide is an odorless, invisible gas, which often makes it difficult  
to locate the source of CO after an alarm. These are a few of the factors that  
can make it difficult to locate sources of CO:  
CO Alarm sounds frequently even though no high  
levels of CO are revealed in an investigation.  
The CO Alarm may be improperly located. Refer to  
“Where to Install CO Alarms.”  
Relocate your alarm. If frequent alarms continue,  
have home rechecked for potential CO problems.  
You may be experiencing an intermittent CO problem.  
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.  
_________________________________________________________________  
House well ventilated before the investigator arrives.  
Problem caused by “backdrafting.”  
This Co Alarm does not operate without a working battery. Removing  
the battery, or failure to replace it at the end of its service life,  
removes your protection.  
*For a list of acceptable replacement batteries, see “Page 4: Regular Maintenance.”  
In direct sunlight.  
“ALARM-MOVE TO FRESH AIR”  
Transient CO problem caused by special circumstances.  
If you have any questions that cannot be answered by reading this manual, call Consumer Affairs at 1-800-323-9005.  
If you hear the alarm horn and the red light is flashing,  
move everyone to a source of fresh air.  
DO NOT disconnect the battery from the CO Alarm!  
A CO Alarm measures the CO levels in the air. It will alarm if CO levels rise  
quickly (if the heat exchanger on your furnace breaks, for example), or if CO  
is consistently present (a slow CO leak on a fuel-burning appliance).  
Because CO may dissipate by the time an investigator arrives, it may be diffi-  
cult to locate the source of CO. BRK Brands, Inc. shall not be obligated to  
pay for any carbon monoxide investigation or service call.  
This CO Alarm is designed for use inside a single-family home or apart-  
ment. It is not meant to be used in common lobbies, hallways, or base-  
ments 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 carbon monoxide alarm features a permanently installed sensor, three  
colored indicator lights, and an 85dB alarm horn. It also has a silence feature  
to temporarily quiet the alarm horn.  
LIMITED WARRANTY  
HOW CAN I PROTECT MY FAMILY?  
A CO Alarm is an excellent means of protection. It monitors the air and  
sounds a loud alarm before carbon monoxide levels become threatening for  
average, healthy adults.  
BRK Brands, Inc. ("BRK") the maker of BRK® brand and First Alert® brand products, warrants that for a period of five years from the date of purchase, this product  
will be free from defects in material and workmanship. BRK, at its option, will repair or replace this product or any component of the product found to be defective  
during the warranty period. Replacement will be made with a new or remanufactured product or component. If the product is no longer available, replacement may  
be made with a similar product of equal or greater value. This is your exclusive warranty.  
Alarms have various limitations. See "General Limitations of CO Alarms"  
for details.  
THE COVER OF YOUR CO ALARM  
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.  
USING THE SILENCE FEATURE  
A CO Alarm is not a substitute for proper maintenance of home appliances.  
This warranty is valid for the original retail purchaser from the date of initial retail purchase and is not transferable. Keep the original sales receipt. Proof of purchase  
is required to obtain warranty performance. BRK dealers, service centers, or retail stores selling BRK products do not have the right to alter, modify or any way  
change the terms and conditions of this warranty.  
To help prevent CO problems and reduce the risk of CO poisoning:  
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.  
Clean chimneys and flues yearly. Keep them free of debris, leaves, and  
nests for proper air flow. Also, have a professional check for rust and  
corrosion, cracks, or separations. These conditions can prevent proper  
air movement and cause backdrafting. Never “cap” or cover a chimney  
in any way that would block air flow.  
This warranty does not cover normal wear of parts or damage resulting from any of the following: negligent use or misuse of the product, use on improper  
voltage or current, use contrary to the operating instructions, disassembly, repair or alteration by anyone other than BRK or an authorized service center.  
Further, the warranty does not cover acts of God, such as fire, flood, hurricanes and tornadoes or any batteries that are included with this unit.  
DO NOT use this CO Alarm in warehouses, industrial or commercial  
buildings, special-purpose non-residential buildings, RVs, boats, or air-  
planes. This CO Alarm is specifically designed for residential use, and  
may not provide adequate protection in non-residential applications.  
BRK shall not 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 consequential damages or limitations on how long an implied warranty lasts, so  
the above limitations or exclusion may not apply to you. This warranty gives you specific legal rights, and you may also have other rights that vary from state to  
state, or province to province.  
NEVER remove the batteries from your CO Alarm to silence the horn.  
Use the silence feature. Removing the batteries removes your protection!  
See “If Your CO Alarm Sounds” for details on responding to an alarm.  
Test and maintain all fuel-burning equipment annually. Many local gas or  
oil companies and HVAC companies offer appliance inspections for a  
nominal fee.  
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.  
Make regular visual inspections of all fuel-burning appliances. Check appli-  
ances for excessive rust and scaling. Also check the flame on the burner  
and pilot lights. The flame should be blue. A yellow flame means fuel is not  
being burned completely and CO may be present. Keep the blower door  
on the furnace closed. Use vents or fans when they are available on all  
fuel-burning appliances. Make sure appliances are vented to the outside.  
Do not grill or barbecue indoors, or in garages or on screen porches.  
How to Obtain Warranty Service  
Service: If service is required, do not return the product to your retailer. In order to obtain warranty service, contact the Consumer Affairs Division at  
1-800-323-9005, 7:30 AM to 5:00 PM, Central Standard Time, Monday through Friday. To assist in serving you, please have the model number and date  
of purchase available when calling.  
When CO reaches alarm levels the alarm will sound— repeating horn pattern:  
4 beeps, a pause, 4 beeps, etc. Press and hold the Test/Silence button until  
the horn is silent. The initial Silence cycle will last approximately 4 minutes.  
For Warranty Service return to: BRK Brands, Inc., 25 Spur Drive, El Paso, TX 79906  
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Test/Silence Button  
BATTERY Light (Green)  
SERVICE Light (Yellow)  
ALARM Light (Red)  
5
(Behind Cover) Alarm Horn:  
85dB audible alarm for test,  
alarm, and unit malfunction  
warning.  
NOTE: After initial 4-minute Silence cycle, the CO Alarm re-evaluates present  
CO levels and responds accordingly. If CO levels remain potentially danger-  
ous—or start rising higher—the horn will start sounding again.  
Battery: BRK Brands, Inc. makes no warranty, express or implied, written or oral, including that of merchantability or fitness for any particular purpose, with  
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.  
respect to battery.  
While the detector is silenced:  
Check the house or garage on the other side of shared wall.  
If the CO Alarm...  
This means...  
For your records, please record:  
Keep windows and doors open slightly. If you suspect that CO is escaping  
into your home, open a window or a door. Opening windows and doors  
can significantly decrease CO levels.  
Is silent for only 4 minutes, then  
starts sounding loudly—4 beeps,  
pause, 4 beeps, pause  
CO levels are still potentially  
dangerous.  
Date Purchased: ________________________________  
In addition, familiarize yourself with all enclosed materials. Read this  
manual in its entirety, and make sure you understand what to do if your  
CO Alarm sounds.  
If the CO Alarm...  
This means...  
Where Purchased: _________________________________________  
BRK® is a registered trademark of BRK Brands, Inc.  
First Alert® is a registered trademark of the First Alert Trust.  
Remains silent after your pressed  
the Test/Silence button  
CO levels are dropping.  
Printed in Mexico M08-0013-003  
P
06/07  
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