User Manuals - Home Controls, Inc.
This combination Smoke/CO Alarm was designed to be mounted on the
ceiling or wall. It is not a tabletop device. You must install this device on the
ceiling or wall as outlined below. Read “Where To Install This Alarm” before
Separate sensors to detect smoke
and CO; the two alarm systems
work independently
Powered by two “AA” batteries
Side access drawer for easy
battery replacement
Suggested locations are based on
NFPA recommendations (NFPA 72
for Smoke Alarms and NFPA 720 for
Carbon Monoxide Alarms). Always
refer to national and local codes
before beginning any installation.
In new construction AC and AC/DC smoke alarms MUST
be interconnected to meet NFPA recommendations.
Test/Silence Button
Battery Compartment
Power/Smoke Alarm LED
CO Alarm LED
Tools you will need: pencil, drill with 3/16” or 5mm drill bit,
flathead screwdriver, hammer.
When installing on the wall, the top edge of Smoke Alarms should be
placed between 4 inches (102 mm) and 12 inches (305 mm) from the
wall/ceiling line.
• When installing on the ceiling, place the alarm as close to the
center as possible.
• In either case, install at least 4 inches (102 mm) from where the wall and
ceiling meet. See “Avoiding Dead Air Spaces” for more information.
NOTE: For any location, make sure no door or other obstruction could keep
carbon monoxide or smoke from reaching the Alarm.
This user’s manual contains important information
about your Combination Carbon Monoxide & Smoke
Alarm’s operation. If you are installing this Alarm for
use by others, you must leave this manual—
or a copy of it—with the end user.
M08-0456-003 Q 08/13 Printed in Mexico
UL STD 217
UL STD 2034
© 2013 BRK Brands, Inc. All rights reserved. Distributed by BRK Brands, Inc.
3901 Liberty Street Road, Aurora, IL 60504-8122
Consumer Affairs: (800) 323-9005 •
Installing Smoke/CO Alarms in Mobile Homes
For minimum security install one Smoke/CO Alarm as close to each sleeping
area as possible. For more security, put one unit in each room. Many older
mobile homes (especially those built before 1978) have little or no insulation.
If your mobile home is not well insulated, or if you are unsure of the amount
of insulation, it is important to install units on inside walls only.
All First Alert® Smoke Alarms conform to regulatory requirements,
including UL217 and are designed to detect particles of combustion.
Smoke particles of varying number and size are produced in all fires.
Ionization technology is generally more sensitive than photoelectric
technology at detecting small particles, which tend to be produced
in greater amounts by flaming fires, which consume combustible
materials rapidly and spread quickly. Sources of these fires may include
paper burning in a wastebasket, or a grease fire in the kitchen.
Photoelectric technology is generally more sensitive than ionization
technology at detecting large particles, which tend to be produced in
greater amounts by smoldering fires, which may smolder for hours
before bursting into flame. Sources of these fires may include cigarettes
burning in couches or bedding.
For maximum protection, use both types of Smoke Alarms on each
level and in every bedroom of your home.
Follow safety rules and prevent hazardous situations: 1) Use smoking
materials properly. Never smoke in bed. 2) Keep matches or lighters away
from children; 3) Store flammable materials in proper containers; 4) Keep
electrical appliances in good condition and don’t overload electrical circuits;
5) Keep stoves, barbecue grills, fireplaces and chimneys grease- and debrisfree; 6) Never leave anything cooking on the stove unattended; 7) Keep
portable heaters and open flames, like candles, away from flammable
materials; 8) Don’t let rubbish accumulate.
Keep alarms clean, and test them weekly. Replace alarms immediately if
they are not working properly. Smoke Alarms that do not work cannot alert
you to a fire. Keep at least one working fire extinguisher on every floor, and
an additional one in the kitchen. Have fire escape ladders or other reliable
means of escape from an upper floor in case stairs are blocked.
Do NOT locate this Smoke/CO Alarm:
• In garages, furnace rooms, crawl spaces and unfinished attics. Avoid
extremely dusty, dirty or greasy areas.
• Where combustion particles are produced. Combustion particles form
when something burns. Areas to avoid include poorly ventilated kitchens,
garages, and furnace rooms. Keep units at least 20 feet (6 meters) from
the sources of combustion particles (stove, furnace, water heater, space
heater) if possible. In areas where a 20-foot (6 meter) distance is not
possible – in modular, mobile, or smaller homes, for example – it is
recommended the Smoke Alarm be placed as far from these fuel-burning
sources as possible. The placement recommendations are intended to
keep these Alarms at a reasonable distance from a fuel-burning source,
and thus reduce “unwanted” alarms. Unwanted alarms can occur if a
Smoke Alarm is placed directly next to a fuel-burning source. Ventilate
these areas as much as possible.
• Within 5 feet (1.5 meters) of any cooking appliance. In air streams near
kitchens. Air currents can draw cooking smoke into the smoke sensor
and cause unwanted alarms.
• In extremely humid areas. This Alarm should be at least 10 feet (3 meters)
from a shower, sauna, humidifier, vaporizer, dishwasher, laundry room,
utility room, or other source of high humidity.
• In direct sunlight.
• In turbulent air, like near ceiling fans or open windows. Blowing air may
prevent CO or smoke from reaching the sensors.
• In areas where temperature is colder than 40˚ F (4.4˚ C) or hotter than
100˚F (37.8˚ C). These areas include non-airconditioned crawl spaces,
unfinished attics, uninsulated or poorly insulated ceilings, porches, and
• In insect infested areas. Insects can clog the openings to the sensing
• Less than 12 inches (305 mm) away from fluorescent lights. Electrical
“noise” can interfere with the sensor.
• In “dead air” spaces. See “Avoiding Dead Air Spaces”.
• Dangers, Warnings, and Cautions alert you to important
operating instructions or to potentially hazardous situations.
Pay special attention to these items.
• This Smoke/CO Alarm is approved for use in single-family
residences. It is NOT designed for marine or RV use.
• This combination Smoke/Carbon Monoxide Alarm has two separate
alarms. The CO Alarm is not designed to detect fire or any other
gas. It will only indicate the presence of carbon monoxide gas at
the sensor. Carbon monoxide gas may be present in other areas.
The Smoke Alarm will only indicate the presence of smoke that
reaches the sensor. The Smoke Alarm is not designed to sense
gas, heat or flames.
• This Smoke/CO Alarm cannot operate without working batteries.
Removing the batteries for any reason, or failing to replace the
batteries at the end of their service life, removes your protection.
• NEVER ignore any alarm. See “If Your Smoke/CO Alarm Sounds”
for more information on how to respond to an alarm. Failure to
respond can result in injury or death.
• The Silence Features are for your convenience only and will not
correct a problem. See "Using the Silence Features" for details.
Always check your home for a potential problem after any alarm.
Failure to do so can result in injury or death.
• Test this Smoke/CO Alarm once a week. If the Alarm ever fails to
test correctly, have it replaced immediately! If the Alarm is not
working properly, it cannot alert you to a problem.
• 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.
FCC Compliance
This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15 of the FCC rules. These limits are
designed to provide reasonable protection against harmful interference in
a residential installation. This equipment generates, uses and can radiate
radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that the interference will not occur in a
particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that of
the receiver.
• Consult the dealer or an experienced radio or TV technician for help.
Warning: Changes or modifications to the product, not expressly approved
by First Alert / BRK Brands, Inc., could void the user’s authority to operate
the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject
to the following two conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
“Dead air” spaces may prevent smoke from reaching the Smoke/CO Alarm.
To avoid dead air spaces, follow installation recommendations below.
On ceilings, install Smoke/CO Alarms as close to the center of the ceiling as
possible. If this is not possible, install the Smoke/CO Alarm at least 4 inches
(102 mm) from the wall or corner.
For wall mounting (if allowed by building codes), the top edge of Smoke/CO
Alarms should be placed between 4 inches (102 mm) and 12 inches (305 mm)
from the wall/ceiling line, below typical “dead air” spaces.
On a peaked, gabled, or cathedral ceiling, install first Smoke/CO Alarm
within 3 feet (0.9 meters) of the peak of the ceiling, measured horizontally.
Additional Smoke/CO Alarms may be required depending on the length, angle,
etc. of the ceiling's slope. Refer to NFPA 72 for details on requirements for
sloped or peaked ceilings.
• NEVER use an open flame of any kind to test this unit. You might
accidentally damage or set fire to the unit or to your home. The
built-in test switch accurately tests the unit’s operation as required
by Underwriters Laboratories, Inc. (UL). NEVER use vehicle
exhaust! Exhaust may cause permanent damage and voids your
• 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.
It is important to test this unit every week to make sure it is working
properly. Using the test button is the recommended way to test this
Smoke/CO Alarm.
You can test this Smoke/CO Alarm: Press and hold the Test/Silence button
3-5 seconds until unit starts to alarm.
During testing, you will see and hear the following sequence:
• The Horn will sound 3 beeps, pause, 3 beeps. The Power/Smoke LED
flashes Red and the CO LED will be Off.
• Next the Horn will sound 4 beeps, pause, 4 beeps. The Power/Smoke
LED will be Off and the CO LED flashes Red.
If the unit does not alarm, make sure the batteries are correctly installed,
and test again. If the unit still does not alarm, replace it immediately.
Choosing a replacement battery:
Your Smoke/CO Alarm requires two standard AA batteries. The following
batteries are acceptable as replacements: Energizer E91, Duracell MN1500.
These batteries are available at many local retail stores.
• Do not connect this unit to any other alarm or auxiliary device. It is a
single-station unit that cannot be linked to other devices. Connecting
anything else to this unit may prevent it from working properly.
• Do not install this unit over an electrical junction box. Air currents
around junction boxes can prevent smoke from reaching the
sensing chamber and prevent the unit from alarming. Only AC
powered units are intended for installation over junction boxes.
If you want to lock the battery compartment, or lock the Smoke/CO
Alarm to the mounting bracket, please read the “Optional Locking
Features” section located at
1. Hold base firmly and twist the mounting bracket counterclockwise (left) to
separate it from the unit.
2. Hold the mounting bracket against the ceiling (or wall) so the vertical
mounting slot is aligned in the 12 o’clock position and trace around the
inside of the mounting slots (vertical and horizontal mounting).
3. Put the unit where it won’t get covered with dust when you drill the
mounting holes.
4. Using a 3/16” (5 mm) drill bit, drill a hole through the center of the oval
outlines you traced.
5. Insert the plastic screw anchors (in the plastic bag with screws) into the
holes. Tap the screw anchors gently with a hammer, if necessary, until
they are flush with the ceiling or wall.
6. Line the mounting bracket up over the plastic screw anchors.
7. Screw the mounting bracket to the ceiling or wall through the mounting
slots using the two screws provided.
8. Before attaching the Alarm to
the bracket, insert the two (2)
AA batteries (included) into the
battery compartment. Match
the terminals on the end of the
battery with the terminals on
the unit. Match “+” to “+” and
“-” to “-.” If the batteries are
not fully inserted, the unit
cannot receive battery power.
NOTE: The unit may beep briefly when you install the batteries. This is normal.
The GREEN Light flashes about every 60 seconds when the unit is
receiving battery power.
The battery door will resist closing unless batteries are installed. This
warns you the unit will not operate without batteries.
9. Attach the Smoke/CO Alarm to the
mounting bracket. Line up the guides on
the alarm’s base with the guides on the
mounting bracket. When guides are lined
up, turn the base clockwise (right) until it
snaps into place.
NOTE: Once the Smoke/CO Alarm is
snapped onto the mounting bracket,
you can rotate the Smoke/CO Alarm
to adjust the alignment.
10. Test the Smoke/CO Alarm. See “Weekly
Testing” for details.
The alarm will operate with 3rd party, certified Z-Wave devices. Basic
command class required by all Z-Wave devices. By the requirements of
the Device Class spec, this command class does not have to be mapped
to any particular functionality for this device.
1. Slide battery door open.
2. Insert batteries checking the correct orientation.
3. Press and hold the test button. Keep it held down as you slide the battery
drawer closed. You may then release the button.
1. Slide battery door open.
2. Remove and re-insert batteries checking the correct orientation.
3. Press and hold the test button. Keep it held down as you slide the battery
drawer closed. You may then release the button.
• The alarm will remain awake for 30 seconds on inclusion.
• The alarm supports one association group with up to 1 node, and sends
its alarms to that group.
• The alarm supports configuration parameter #1, which has a size of 1, a
default value of 0, and when set to 1 causes the device to send double
alarm messages.
If the device is powered up with the test button held down for 10+ seconds, the
device will reset all Z-Wave settings and leave the network. NOTE: The device
will not remain awake after resetting and will go into standby mode.
This unit has been designed to be as maintenance-free as possible, but there
are a few simple things you must do to keep it working properly.
• Test it at least once a week.
• Clean the Smoke/CO Alarm at least once a month; gently vacuum the
outside of the Smoke/CO Alarm using your household vacuum’s soft
brush attachment. A can of clean compressed air (sold at computer or
office supply stores) may also be used. Follow manufacturer instructions
for use. Test the Smoke/CO Alarm. Never use water, cleaners or solvents
since they may damage the unit.
• If the Smoke/CO Alarm becomes contaminated by excessive dirt, dust
and/or grime, and cannot be cleaned to avoid unwanted alarms, replace
the unit immediately.
Always use the exact batteries specified by this User’s Manual.
DO NOT use rechargeable batteries. Clean the battery contacts and
also those of the device prior to battery installation. Install batteries
correctly with regard to polarity (+ and -).
Please dispose of or recycle used batteries properly, following any
local regulations. Consult your local waste management authority
or recycling organization to find an electronics recycling facility in
Keep battery out of reach of children. In the event a battery is
swallowed, immediately contact your poison control center, your
physician, or the National Battery Ingestion hotline at 202-625-3333
as serious injury may occur.
Actual battery service life depends on the Smoke/CO Alarm and the environment in which it is installed. All the batteries specified above are acceptable
replacement batteries for this unit. Regardless of the manufacturer’s suggested
battery life, you MUST replace the battery immediately once the unit starts
“chirping” (the “low battery warning”).
To replace the batteries (without removing
Alarm from the ceiling or wall):
1. Open the battery compartment.
2. Press tabs A and B as shown in the diagram
and remove each battery.
3. Insert the new batteries, making sure they
snap completely into the battery compartment.
Match the terminals on the ends of the
batteries with the terminals on the unit.
4. Close the battery compartment, and then test
the unit by pressing the Test/Silence button.
Type of Alarm
What You See and Hear
Carbon Monoxide (CO)
CO LED: Flashes Red
Horn: 4 beeps, pause, 4 beeps, pause
Power/Smoke LED: Off
Power/Smoke LED: Flashes Red
Horn: 3 beeps, pause, 3 beeps, pause
If you hear the CO alarm horn and the CO red light is flashing, move
everyone to a source of fresh air. DO NOT remove the batteries!
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!
1. Operate the Test/Silence button.
2. Call your emergency services, fire department or 911. Write down the
number of your local emergency service here:
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 reenter 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.
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 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 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:
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.”
If the unit alarms and you are not testing the unit, it is warning you
of a potentially dangerous situation that requires your immediate
attention. NEVER ignore any alarm. Ignoring the alarm may result in
injury or death.
Never remove the batteries from a battery operated Smoke/CO
Alarm to stop an unwanted alarm (caused by cooking smoke, etc.).
Removing batteries disables the alarm so it cannot sense smoke,
and removes your protection. Instead open a window or fan the
smoke away from the unit. The alarm will reset automatically.
If the unit alarms get everyone out of the house immediately.
• Don’t panic; stay calm. Follow your family escape plan.
• Get out of the house as quickly as possible. Don’t stop to get
dressed or collect anything.
• Feel doors with the back of your hand before opening them.
If a door is cool, open it slowly. Don’t open a hot door. Keep doors
and windows closed, unless you must escape through them.
• Cover your nose and mouth with a cloth (preferably damp).
Take short, shallow breaths.
• Meet at your planned meeting place outside your home,
and do a head count to make sure everybody got out safely.
• Call the Fire Department as soon as possible from outside.
Give your address, then your name.
• Never go back inside a burning building for any reason.
• Contact your Fire Department for ideas on making your home safer.
Alarms have various limitations. See "General Limitations of Smoke/CO
Alarms" for details.
Never remove the batteries to quiet an unwanted alarm. Removing the
batteries disables the alarm and removes your protection.
The Silence Feature is intended to temporarily silence the horn while you identify
and correct the problem. Do not use the Silence Feature in emergency situations.
It will not correct a CO problem or extinguish a fire.
The Silence Feature can temporarily quiet an unwanted alarm for several minutes.
Press the Test/Silence button on the alarm cover for at least 3-5 seconds.
After the Test/Silence button is released, the Red LED blinks during the silence
Minimum coverage for Smoke Alarms, as recommended by the National
Fire Protection Association (NFPA), is one Smoke Alarm on every floor, in
every sleeping area, and in every bedroom (See “Regulatory Information For
Smoke Alarms” for details on the NFPA recommendations).
For 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
NOTE: For added protection, install an additional Smoke/CO Alarm at least
15 feet (4.6 meters) away from the furnace or fuel burning heat source where
possible. In smaller homes or in manufactured homes where this distance
cannot be maintained, install the Alarm as far away as possible from the furnace
or other fuel burning source. Installing the Alarm closer than 15 feet (4.6 meters)
will not harm the Alarm, but may increase the frequency of unwanted alarms.
When the Smoke Alarm is Silenced
When the CO Alarm is Silenced
The Smoke Alarm will remain silent for
up to 15 minutes, then return to normal
If the smoke has not cleared–or
continues to increase–the device
will go back into alarm.
The CO alarm will remain silent for
up to 4 minutes.
After 4 minutes, if CO levels remain
potentially dangerous the horn will
start sounding again.
This silence feature can temporarily quiet the low battery warning “chirp” for
up to 8 hours. Press the Test/Silence button on the alarm cover.
Once the low battery warning “chirp” silence feature is activated, the unit
continues to flash the Green light once a minute for 8 hours. After 8 hours,
the low battery “chirp” will resume. Replace the batteries as soon as
possible; this unit will not operate without battery power!
To deactivate this feature: Press the Test/Silence button again. The unit will
go into Test Mode and the low battery warning will resume (LED flashes and
unit sounds “chirp” once a minute).
In general, install combination Smoke and Carbon Monoxide Alarms:
• On every level of your home, including finished attics and basements.
• Inside every bedroom, especially if people sleep with the door partly or
completely closed.
• In the hall near every sleeping area. If your home has multiple sleeping
areas, install a unit in each. If a hall is more than 40 feet (12 meters) long,
install a unit at each end.
• At the top of first-to-second floor stairs.
• At the bottom of the basement stairs.
• For additional coverage, install Alarms in all rooms, halls, and storage
areas, where temperatures normally remain between 40˚ F and 100˚ F
(4.4˚ C and 37.8˚ C).
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.
These fuels include: Wood, coal, charcoal, oil, natural gas, gasoline,
kerosene, and propane.
Common appliances are often sources of CO. 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.
These symptoms are related to CO POISONING and should be discussed
with ALL household members.
Mild Exposure: Slight headache, nausea, vomiting, fatigue (“flu-like” symptoms).
Medium Exposure: Throbbing headache, drowsiness, confusion, fast heart rate.
Extreme Exposure: Convulsions, unconsciousness, heart and lung failure.
Exposure to Carbon Monoxide can cause brain damage, death.
For additional coverage, it is recommended that you install a Smoke Alarm
in all rooms, halls, storage areas, finished attics, and basements, where
temperatures normally remain between 40˚ F (4.4˚ C) and 100˚ F (37.8˚ C).
Make sure no door or other obstruction could keep smoke from reaching
the Smoke Alarms.
More specifically, install Smoke Alarms:
• On every level of your home, including finished attics and basements.
• Inside every bedroom, especially if people sleep with the door partly or
completely closed.
• In the hall near every sleeping area. If your home has multiple sleeping
areas, install a unit in each. If a hall is more than 40 feet long (12 meters),
install a unit at each end.
• At the top of the first-to-second floor stairway, and at the bottom of the
basement stairway.
Specific requirements for Smoke Alarm installation vary from state to state
and from region to region. Check with your local Fire Department for current
requirements in your area. It is recommended AC or AC/DC units be
interconnected for added protection.
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. 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!
• Relocate the unit if it sounds frequent unwanted alarms. See “Where This
Alarm Should Not Be Installed” for details.
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:
• House well ventilated before the investigator arrives.
• Problem caused by “backdrafting.”
• Transient CO problem caused by special circumstances.
Because CO may dissipate by the time an investigator arrives, it may be
difficult to locate the source of CO. BRK Brands, Inc. shall not be obligated
to pay for any carbon monoxide investigation or service call.
Fuel-burning appliances like:
portable heater, gas or wood burning
fireplace, gas kitchen range or cooktop,
gas clothes dryer.
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.
Improper use of appliance/device:
operating a barbecue grill or vehicle
in an enclosed area (like a garage or
screened porch).
Transient CO Problems: “transient” or on-again-off-again CO problems can
be caused by outdoor conditions and other special circumstances.
The following conditions can result in transient CO situations:
1. Excessive spillage or reverse venting of fuel appliances caused by outdoor
conditions such as:
• 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.
• 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. Extended operation of unvented fuel burning devices (range, oven, fireplace).
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.
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.
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.
A CO Alarm is not a substitute for proper maintenance of home appliances.
To help prevent CO problems and reduce the risk of CO poisoning:
• 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.
• Test and maintain all fuel-burning equipment annually. Many local gas
or oil companies and HVAC companies offer appliance inspections for
a nominal fee.
• Make regular visual inspections of all fuel-burning appliances. Check
appliances 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.
• Check for exhaust backflow from CO sources. Check the draft hood on
an operating furnace for a backdraft. Look for cracks on furnace heat
• Check the house or garage on the other side of shared wall.
• 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.
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.
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).
UL2034 Required Alarm Points*:
• If the alarm is exposed to 400 ppm of CO, IT MUST ALARM BETWEEN
4 and 15 MINUTES.
• If the alarm is exposed to 150 ppm of CO, IT MUST ALARM BETWEEN
10 and 50 MINUTES.
• If the alarm is exposed to 70 ppm if CO, IT MUST ALARM BETWEEN
60 and 240 MINUTES.
* Approximately 10% COHb exposure at levels of 10% to 95% Relative
Humidity (RH).
The unit is designed not to alarm when exposed to a constant level
of 30 ppm for 30 days.
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.
• 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.
• An exposure to 400 ppm of CO may cause headaches in average, healthy
adults after 35 minutes, but can cause death after 2 hours.
Standards: Underwriters Laboratories Inc. Single and Multiple Station carbon
monoxide alarms UL2034.
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.
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.
Audible Alarm: 85 dB minimum at 10 feet (3 meters).
Standards: Underwriters Laboratories Inc. Single and Multiple Station Smoke
Alarms 217.
NFPA 72 Chapter 29
“For your information, the National Fire Alarm and Signaling Code, NFPA 72,
reads as follows:”
29.5.1* Required Detection.* Where required by other governing laws, codes, or standards for a
specific type of occupancy, approved single and multiple-station smoke
alarms shall be installed as follows:
(1)*In all sleeping rooms and guest rooms
(2)*Outside of each separate dwelling unit sleeping area, within 21 ft (6.4 m)
of any door to a sleeping room, with the distance measured along a path
of travel
(3) On every level of a dwelling unit, including basements
(4) On every level of a residential board and care occupancy (small facility),
including basements and excluding crawl spaces and unfinished attics
(5)*In the living area(s) of a guest suite
(6) In the living area(s) of a residential board and care occupancy
(small facility)
(Reprinted with permission from NFPA 72®, National Fire Alarm and Signaling
Code Copyright © 2010 National Fire Protection Association, Quincy, MA
02269. This reprinted material is not the complete and official position of
the National Fire Protection Association, on the referenced subject which is
represented only by the standard in its entirety), (National Fire Alarm and
Signaling Code® and NFPA 72® are registered trademarks of the National
Fire Protection Association, Inc., Quincy, MA 02269).
Installing Smoke Alarms in Single-Family Residences
The National Fire Protection Association (NFPA), recommends one Smoke Alarm
on every floor, in every sleeping area, and in every bedroom. In new construction,
the Smoke Alarms must be AC powered and interconnected. See “Agency
Placement Recommendations” for details.
Battery (DC) operated Smoke Alarms: Provide protection even when
electricity fails, provided the batteries are fresh and correctly installed. Units
are easy to install, and do not require professional installation.
AC powered Smoke Alarms: Can be interconnected so if one unit senses
smoke, all units alarm. They do not operate if electricity fails.
AC with battery (DC) back-up: will operate if electricity fails, provided the
batteries are fresh and correctly installed. AC and AC/DC units must be
installed by a qualified electrician.
Smoke/CO Alarms for Solar or Wind Energy users and battery backup
power systems: AC powered Smoke/CO Alarms should only be operated
with true or pure sine wave inverters. Operating this Alarm with most batterypowered 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.
Smoke Alarms for the hearing impaired: Special purpose Smoke Alarms
should be installed for the hearing impaired. They include a visual alarm and an
audible alarm horn, and meet the requirements of the Americans With Disabilities
Act. Can be interconnected so if one unit senses smoke, all units alarm.
Smoke alarms are not to be used with detector guards unless the
combination has been evaluated and found suitable for that purpose.
All these Smoke Alarms are designed to provide early warning of fires if
located, installed and cared for as described in the user’s manual, and if
smoke reaches the Alarm. If you are unsure which type of Smoke Alarm to
install, refer the National Fire Protection Association (NFPA) Standard 72
(National Fire Alarm and Signaling Code) and NFPA 101 (Life Safety Code).
National Fire Protection Association, One Batterymarch Park, Quincy, MA
02269-9101. Local building codes may also require specific units in new
construction or in different areas of the home.
This Smoke Alarm is suitable for use in apartments, condominiums,
townhouses, hospitals, day care facilities, health care facilities, boarding
houses, group homes and dormitories provided a primary fire detection
system already exists to meet fire detection requirements in common areas
like lobbies, hallways, or porches. Using this Smoke Alarm in common areas
may not provide sufficient warning to all residents or meet local fire protection
This Smoke Alarm alone is not a suitable substitute for complete fire
detection systems in places housing many people—like apartment buildings,
condominiums, hotels, motels, dormitories, hospitals, health care facilities,
nursing homes, day care facilities, or group homes of any kind. It is not a
suitable substitute for complete fire detection systems in warehouses,
industrial facilities, commercial buildings, and special-purpose non-residential
buildings which require special fire detection and alarm systems. Depending
on the building codes in your area, this Smoke Alarm may be used to provide
additional protection in these facilities.
In new construction, most building codes require the use of AC or AC/DC
powered Smoke Alarms only. In existing construction, AC, AC/DC, or DC
powered Smoke Alarms can be used as specified by local building codes.
Refer to NFPA 72 (National Fire Alarm and Signaling Code) and NFPA 101
(Life Safety Code), local building codes, or consult your Fire Department for
detailed fire protection requirements in buildings not defined as “households”.
HUD MAP Program
Certain HUD battery powered Smoke Alarm applications, especially those
that fall under HUD 223(f) MAP (Multi-family Accelerated Processing), may
require a 10 Year sealed tamper resistant battery. This alarm does not meet
that requirement. Substitute First Alert SA340B.
This Smoke/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 Alarms must be met. The Smoke Alarm portion
of this device is not intended to alert hearing impaired residents. Special purpose
Smoke Alarms should be installed for hearing impaired residents (CO Alarms are
not yet available for the hearing impaired).
Smoke/CO Alarms may not waken all individuals. Practice the escape plan
at least twice a year, making sure that everyone is involved – from kids to grandparents. Allow children to master fire escape planning and practice before holding
a fire drill at night when they are sleeping. If children or others do not readily waken
to the sound of the Smoke/CO Alarm, or if there are infants or family members with
mobility limitations, make sure that someone is assigned to assist them in fire drill
and in the event of an emergency. It is recommended that you hold a fire drill while
family members are sleeping in order to determine their response to the sound of
the Smoke/CO Alarm while sleeping and to determine whether they may need
assistance in the event of an emergency.
Smoke/CO Alarms cannot work without power. Battery operated units cannot work
if the batteries are missing, disconnected or dead, if the wrong type of batteries are
used, or if the batteries are not installed correctly. AC units cannot work if the AC
power is cut off for any reason (open fuse or circuit breaker, failure along a power line
or at a power station, electrical fire that burns the electrical wires, etc.). If you are
concerned about the limitations of battery or AC power, install both types of units.
This Smoke/CO Alarm will not sense smoke or CO that does not reach the
sensors. It will only sense smoke or CO at the sensor. Smoke or CO may be
present in other areas. Doors or other obstructions may affect the rate at which
CO or smoke reaches the sensors. If bedroom doors are usually closed at night,
we recommend you install an alarm device (Combination CO and Smoke Alarm, or
separate CO Alarms and Smoke Alarms) in each bedroom and in the hallway
between them.
This Smoke/CO Alarm may not sense smoke or CO on another level of the
home. Example: This alarm device, installed on the second floor, may not sense
smoke or CO in the basement. For this reason, one alarm device may not give
adequate early warning. Recommended minimum protection is one alarm device in
every sleeping area, every bedroom, and on every level of your home. Some experts
recommend battery powered Smoke and CO Alarms be used in conjunction with
interconnected AC powered Smoke Alarms. For details, see “About Smoke Alarms”
for details.
Smoke/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 Smoke/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 Smoke/CO Alarm is
not intended for people who are hearing impaired.
The Alarm may not have time to alarm before the fire itself causes damage,
injury, or death, since smoke from some fires may not reach the unit immediately. Examples of this include persons smoking in bed, children playing with
matches, or fires caused by violent explosions resulting from escaping gas.
This Smoke/CO Alarm is not a substitute for life insurance. Though this
Smoke/CO Alarm warns against increasing CO levels or the presence of smoke,
BRK Brands, Inc. does not warrant or imply in any way that they will protect lives.
Homeowners and renters must still insure their lives.
This Smoke/CO Alarm has a limited life. Although this Smoke/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 this
device weekly. The unit should be replaced immediately if it is not operating properly.
This Smoke/CO Alarm is not foolproof. Like all other electronic devices, this
Smoke/CO Alarm has limitations. It can only detect smoke or CO that reaches the
sensors. It may not give early warning of the source of smoke or CO is in a remote
part of the home, away from the alarm device.
Z-Wave Mesh Network Limitations
1. Alarms are single stationed Alarms and are not interconnected to each other.
2. Only initiating Alarms will sound.
3. Z-Wave system is not listed as a life safety system. Mesh network system only
provides supplemental notifications and should not be counted on for life safety.
If the Alarm...
Horn "chirps" about once per minute.
Low battery warning.
Install two new AA batteries*.
Horn does three "chirps" every minute;
LED has 3 rapid flashes with "chirps".
MALFUNCTION SIGNAL. Device is not working
properly, and needs to be replaced.
Units under warranty should be returned to
manufacturer for replacement. See “Limited
Warranty” for details.
The light flashes GREEN and the horn sounds
5 “chirps” every minute.
Alarm needs to be replaced.
Immediately replace the Alarm.
Carbon Monoxide Alarm ONLY:
CO Alarm goes back into alarm 4 minutes after you
Silence it.
CO levels indicate a potentially dangerous situation.
POISONING, EVACUATE your home and call 911
or the Fire Department. Refer to "If The CO Alarm
Sounds" for details.
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 This Alarm” for details.
Relocate your Alarm. If frequent alarms continue,
have home rechecked for potential CO problems.
You may be experiencing an intermittent CO
You should...
Unwanted alarm may be caused by non-emergency
source like cooking smoke.
Silence Alarm using Test/Silence button; clean the
Alarm’s cover with a soft, clean cloth. If frequent
unwanted alarms continue, relocate your Alarm.
Alarm may be too close to a kitchen, cooking
appliance, or steamy bathroom.
Smoke Alarm ONLY:
Smoke Alarm sounds when no smoke is visible.
*For a list of acceptable replacement batteries, see “Regular Maintenance.”
If you have questions that cannot be answered by reading this manual, call Consumer Affairs at 1-800-323-9005, M-F 7:30 a.m. to 5:00 p.m. (CST)
BRK Brands, Inc., ("BRK") the maker of First Alert® brand products warrants that for a period of seven 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. 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.
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.
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.
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 - 5:00 PM Central Standard Time, Monday through Friday. To assist us in serving you, please have the model number and date of purchase available when calling.
For Warranty Service return to: BRK Brands, Inc., 25 Spur Drive, El Paso, TX 79906
Battery: BRK Brands, Inc. make no warranty, express or implied, written or oral, including that of merchantability or fitness for any particular purpose with respect to battery.
For your records, please record:
This silence feature can temporarily quiet the End of Life warning “chirp” for
up to 2 days. You can silence the End of Life warning “chirp” by pressing the
Test/Silence button. The horn will chirp, acknowledging that the End of Life
silence feature has been activated.
After approximately 2 days, the End of Life “chirp” will resume.
California State Fire Marshal (CSFM)
Early warning detection is best achieved by the installation of fire detection
equipment in all rooms and areas of the household as follows: A Smoke Alarm
installed in each separate sleeping area (in the vicinity, but outside bedrooms),
and Heat or Smoke Alarms in the living rooms, dining rooms, bedrooms,
kitchens, hallways, finished attics, furnace rooms, closets, utility and storage
rooms, basements, and attached garages.
Date Purchased: __________________Where Purchased: _____________________
Date Installed: ____________/____________Month/Year
First Alert® is a registered trademark of the First Alert Trust.
Replace alarm 7 years after installation. Please write the date in the space
The alarm will also provide an audible End-of-Life Signal approximately
7 years after installation to remind you to replace the unit.
The End-of-Life Signal can be silenced for up to 2 days. Do not unplug the
alarm or remove the batteries until you get replacement.
Printed in Mexico M08-0456-003 Q 08/13
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