BRK electronic Smoke Alarm 4120 User Manual

WHAT TO DO IF CARBON MONOXIDE IS DETECTED, Continued  
HOW YOUR SMOKE/CO ALARM WORKS  
THE COVER OF YOUR SMOKE/CO ALARM  
INSTALLATION, Continued  
BEFORE YOU BEGIN INSTALLATION  
USER’S MANUAL  
Smoke & Carbon  
Monoxide Alarm  
Connect this unit ONLY to other compatible units. See How  
To Install This Smoke/CO Alarmfor details. Do not connect  
it to any other type of alarm or auxiliary device. Connecting  
anything else to this unit may damage it or prevent it from  
operating properly.  
The battery compartment resists closing unless a battery is  
installed. This warns you the unit will not operate under DC  
power without a battery.  
Do not stand too close to the unit when the alarm is sounding.  
It is loud to wake you in an emergency. Exposure to the horn  
at close range may harm your hearing.  
Do not paint over the unit. Paint may clog the openings to the  
sensing chambers and prevent the unit from operating properly.  
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!  
This unit is designed to be mounted on any standard wiring junction  
box up to a 4-inch (10 cm) size, on either the ceiling or wall. Read  
Where to Install This Alarmand Where This Alarm Should Not Be  
Installed before you begin installation. If a junction box is not already  
in place, install one using standard #12 or #14 gauge copper wire.  
ELECTRICAL SHOCK HAZARD. Do not restore power until all  
Alarms are completely installed. Restoring power before installation  
is complete may result in serious electrical shock, injury or death.  
1. Test/Silence Button: Press  
and hold to activate test,  
or to silence the alarm.  
IF THE CO ALARM SOUNDS:  
1. Operate the Test/Silence button.  
6. Make sure the Smoke/CO Alarm is receiving AC power. Under normal  
operation, the green indicator light will shine continuously. If the green  
power indicator light does not light, TURN OFF POWER TO THE  
JUNCTION BOX and recheck all connections. If all connections are  
correct and the green power indicator still does not light when you  
restore the power, the unit should be replaced immediately.  
AC Powered Smoke &  
Carbon Monoxide Alarm  
with Battery Back-up,  
Silence Feature and  
Latching Alarm  
2. POWER Light (GREEN)/  
SMOKE ALARM Light (RED)  
2. Call your emergency services, fire department or 911. Write down  
the number of your local emergency service here:  
Make sure the alarm is not receiving excessively noisy power.  
Examples of noisy power could be major appliances on the  
same circuit, power from a generator or solar power, light dim-  
mer on the same circuit or mounted near fluorescent lighting.  
Excessively noisy power may cause damage to your Alarm.  
3. CO ALARM Light (RED)  
4. Battery Drawer  
_____________________________________________________________  
5. (Behind the Cover) Alarm  
Horn: 85dB audible alarm  
for test, alarm, and unit  
malfunction warning.  
7. ACTIVATING THE BATTERY BACK-UP  
3. Immediately move to fresh airoutdoors 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 Smoke/CO Alarm remains in  
its normal condition.  
Model SC9120B  
Input: 120V AC ~ , 60 Hz, 0.09A  
Find the pair of self-adhesive labels included with this Smoke/CO Alarm.  
On each label write in the phone number of your emergency  
responder (like 911) and a qualified appliance technician.  
Activate the battery back-up by removing the Pull to Activate  
Battery Back-Uptab. You do not need to open the battery  
compartment and reposition the battery during installation. DO NOT  
remove the battery activation tab until AC power is turned on to  
conserve battery power.  
INSTALLATION  
WHERE TO INSTALL THIS ALARM  
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 Alarmsfor details on the NFPA rec-  
ommendations).  
Place one label near the Smoke/CO Alarm, and the other label in  
the fresh airlocation you plan to go if the alarm sounds.  
UNDERSTANDING THE LIGHT  
AND HORN PATTERNS  
4. After following steps 1-3, if your Smoke/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 equip-  
ment and appliances, and inspect for proper operation of this equip-  
ment. 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 informa-  
tion 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 representa-  
tive, 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.”  
8. Single Station Alarms: Test each Alarm. Press and hold the  
Test/Silence button until you hear the acknowledge chirpor the  
unit alarms.  
Condition  
LED (Red or Green  
Lights)  
Horn  
Interconnected Alarms: Press and hold the Test/Silence button  
until the unit alarms. All interconnected Alarms should sound. The  
other Alarms sounding only tests the interconnect signal between  
Alarms. It does not test each Alarms operation. You must test each  
Alarm individually to check if the Alarm is functioning properly.  
POWER UP  
Green LED  
Horn remains silent  
For CO Alarms, the National Fire Protection Association (NFPA) recom-  
mends that a CO Alarm should be centrally located outside of each sep-  
arate 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.  
flashes ON  
once, then  
shines continuously  
1
PARTS OF THIS SMOKE/CO ALARM  
IMPORTANT! PLEASE READ CAREFULLY AND SAVE  
This user’s manual contains important information about your Alarm’s  
operation. If you are installing the Alarm for use by others, you must leave  
this manual — or a copy of it — with the end user.  
3
1
2
3
Mounting Bracket  
DURING TESTING  
Smoke & CO  
Red LEDs flash  
once every  
second during  
their respective  
repetitive horn  
patterns  
Horn pattern:  
(Smoke) 3  
Mounting Slot and Screw*  
If any unit in the series does not alarm during testing, TURN OFF POWER,  
REMOVE BATTERIES, and recheck connections. If it does not alarm when  
you restore power, replace it immediately.  
beeps, pause,  
3 beeps,  
In general, install combination Smoke and Carbon Monoxide  
Alarms:  
Locking Pins (break out of  
bracket)  
2
_____________________________________________________________  
Printed in Mexico  
M08-0094-000 K1 09/04  
Model SC9120B  
2
pause; (CO) 4  
beeps, pause, 4  
beeps, pause  
On every level of your home, including finished attics and base-  
ments.  
SPECIAL REQUIREMENTS FOR INTERCONNECTED ALARMS  
4
5
6
7
Hot (Black) AC Wire  
WHAT TO DO IF SMOKE IS DETECTED  
Neutral (White) AC Wire  
Interconnect Wire (Orange)  
3
8
INTRODUCTION  
6
Inside every bedroom, especially if people sleep with the door partly  
or completely closed.  
Failure to meet any of the above requirements could damage  
the units and cause them to malfunction, removing your  
protection.  
AC and AC/DC Smoke/CO Alarms can be interconnected.  
Under AC power, all units will alarm when one senses smoke  
or CO. When power is interrupted, only the AC/DC units in  
the series will continue to send and receive signals. AC  
powered Smoke/CO Alarms will not operate. See Smart  
InterconnectFeature.  
If you hear the alarm horn sound 3 beeps, pause, 3 beeps,  
pause and the RED SMOKE light is flashing, smoke has  
been detected. Evacuate everyone from the building.  
LOW OR MISSING  
BATTERY  
Thank you for choosing BRK Brands, Inc. for your Smoke and Carbon  
Monoxide Alarm needs. You have purchased a state-of-the-art Smoke &  
CO Alarm designed to provide you with early warning of a fire or Carbon  
Monoxide. Key features include:  
Green LED  
flashes  
(with horn)  
Horn chirps”  
about once a  
minute  
4
7
5
Lever to Open Battery  
Compartment  
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.  
8
9
Swing-Out Battery  
Compartment  
Smoke & Carbon Monoxide Combination Alarm. One alarm protects  
against two deadly household threats.  
Intelligent Sensing Technology designed to help reduce unwanted or  
nuisance alarms.  
Smart Interconnect can be interconnected to BRK Smoke Alarms. One  
interconnect wire carries both smoke and CO alarm signals.  
Single Button Test/Silence eliminates confusion. Depending on what  
mode the alarm is in, pushing the button provides different functions  
such as testing the alarm, silencing the alarm, re-testing the alarm when  
in silence and clearing the Latching feature.  
Latching Alarm Indicator easily identifies initiating alarm even after the  
alarm condition has subsided.  
Perfect Mount System includes a gasketless base for easy installation  
and a new mounting bracket that keeps the alarm secure over a wide  
rotation range to allow for perfect alignment.  
ALARM CONDITION  
Interconnected Series  
of Smoke/CO Alarms  
Smoke or CO  
Red LED flash-  
es rapidly on  
Horn pattern:  
At the top of first-to-second floor stairs.  
At the bottom of the basement stairs.  
(CO) 4 beeps,  
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 disconnect the AC power to quiet an unwanted alarm.  
Disconnecting the power disables the Alarm so it cannot  
sense smoke. This will remove your protection. Instead, open  
a window or fan the smoke away from the unit. The Alarm will  
reset automatically.  
9
pause, 4 beeps,  
pause repeating  
on all CO Alarms and  
Smart Interconnect”  
Alarms;  
(Smoke) 3 beeps,  
pause, 3 beeps, pause  
repeating on all  
Smoke, Heat, and  
Smart Interconnect”  
Alarms  
Quick-Connect Power  
the unit that  
For additional coverage, install Alarms in all rooms, halls, and stor-  
age areas, where temperatures normally remain between 40˚ F and  
100˚ F (4˚ C and 38˚ C).  
triggered the alarm.  
Interconnected units can provide earlier warning of a Smoke/CO prob-  
lem than stand-alone units, especially if the problem starts in a remote  
area of the dwelling. If any unit in the series senses Smoke/CO, all units  
will alarm. To determine which Smoke/CO Alarm initiated an alarm, refer  
to the table.  
*Not Included  
LEDs on the  
HOW TO INSTALL THIS SMOKE/CO ALARM  
Tools you will need: Standard Flathead screwdriver.  
other alarms in  
an interconnected  
series will not flash.  
Recommended Placement  
During an Alarm:  
SUGGESTED AREAS FOR INSTALLING  
If the unit alarms get everyone out of the house immediately.  
On Initiating Alarm(s) Red LED(s) flashes (flash) rapidly  
On All Other Alarms Red LED is Off  
ELECTRICAL SHOCK HAZARD. Turn off power to the area where you  
will install this unit at the circuit breaker or fuse box before beginning  
installation. Failure to turn off the power before installation may result  
in serious electrical shock, injury or death.  
SMOKE ALARMS, CO ALARMS, AND COMBO UNITS  
KEY:  
ELECTRICAL SHOCK HAZARD: Attempting to disconnect the  
power connector from the unit when the power is on may result  
in electrical shock, serious injury or death.  
IN ALARM SILENCE  
MODE  
Red Smoke or CO  
LED flashes  
once every  
Horn remains silent:  
CO for 4 minutes;  
Smoke for up  
After an Alarm (Latching):  
SMOKE ALARMS  
To install this unit:  
On Initiating Alarm(s) Green LED(s) On, Red LED(s) flash once every 5 seconds  
SMOKE ALARM WITH  
SILENCE FEATURE  
Dust Cover is included to keep the alarm clean during construction.  
1. Remove the mounting bracket from the base. Position the screw  
slots on the mounting bracket over the screws in the junction box.  
Tighten the screws.  
second on  
to 15 minutes.  
When an interconnected system of AC powered units is in alarm, the  
alarm indicator light on the unit(s) that initiated the alarm will blink rapid-  
ly. It will remain OFF on any remaining units.  
On All Other Alarms Green LED(s) On, Red LED(s) is Off  
Easy Installation/Maintenance features include a large opening in  
the mounting bracket for easy access to wiring. A battery pull tab that  
keeps the battery fresh until the home is occupied. A Side Load Battery  
Drawer allows for easy battery replacement without removing the alarm  
from the ceiling or wall.  
initiating unit  
Horn will sound  
if Smoke or CO  
levels increase.  
CO ALARMS  
Compatible Interconnected Units  
BOTH, OR COMBINATION  
SMOKE/CO ALARMS  
If the unit alarms, get everyone out of the dwelling immediately.  
Improper wiring of the power connector or the wiring leading to the  
power connector will cause damage to the Alarm and may lead to a  
non-functioning Alarm.  
LATCHINGALARM  
INDICATOR  
Red Smoke  
Horn remains silent  
Interconnect units within a single family residence only. Otherwise all  
households will experience unwanted alarms when you test any unit in the  
series. Interconnected units will only work if they are wired to compatible  
units and all requirements are met. This unit is designed to be compatible  
with: BRK Electronics® Smoke Alarm Models 9120, 9120B, SC9120B,  
7010, 7010B, 4120, 4120B, 4120SB, 4919, 2002RAC, 100S, 5919,  
5919TH; BRK Electronics® Heat Alarm Models HD6135F, HD6135FB;  
BRK Electronics® CO Alarm Models CO5120BN, CO5120PDBN;  
Smoke/CO Alarm Model SC6120B; and First Alert® Smoke Alarm Models  
SA4120, SA4120B, SA4121B, SA4919B, SA100B.  
Interconnected units must meet ALL of the following requirements:  
A maximum of 18 compatible BRK Electronics® Smoke, Heat or CO  
Alarms may be interconnected. No more than 12 of the 18 can be  
Smoke Alarms per NFPA 72.  
If the unit alarms and you are certain that the source of smoke is not a  
firecooking smoke or an extremely dusty furnace, for exampleopen a  
nearby window or door and fan the smoke away from the unit. Use the  
Silence Feature to silence the Alarm. This will silence the alarm, and  
once the smoke clears the unit will reset itself automatically.  
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.  
and/or CO LED  
flashes once  
Improved UV Resistance keeps the alarm from discoloring over time.  
All Rights Reserved. © 2004 BRK Brands, Inc.  
BRK Brands, Inc., 3901 Liberty Street Road, Aurora, IL 60504-8122  
Consumer Affairs: (800) 323-9005  
every 5 seconds  
2. Using wire nuts, connect the power connector to the AC power.  
STAND ALONE ALARM ONLY:  
In new construction AC and AC/DC smoke alarms MUST  
be interconnected to meet NFPA recommendations.  
MALFUNCTION  
Green LED flashes 3  
times synchro-  
nized with 3  
Horn sounds 3  
consecutive  
rapid chirps  
every minute  
Connect the white wire on the power connector to the neutral  
wire in the junction box.  
Connect the black wire on the power connector to the hot wire  
in the junction box.  
Tuck the orange wire inside the junction box. It is used for  
interconnect only.  
WHAT TO DO IN CASE OF FIRE  
®
®
All BRK and 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.  
rapid chirps  
Dont panic; stay calm. Follow your family escape plan.  
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.  
Get out of the house as quickly as possible. Dont 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. Dont open a hot door. Keep doors  
and windows closed, unless you must escape through them.  
IF YOUR SMOKE/CO ALARM SOUNDS  
WHAT TO DO FIRST–IDENTIFY THE TYPE OF ALARM  
Ionization technology is generally more sensitive than photo-  
electric 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.  
When installing on the ceiling, place the alarm as close to the  
center as possible.  
INTERCONNECTED ALARMS ONLY:  
Strip off about 1/2of the plastic coating on the orange  
interconnect wire on the power connector.  
In either case, install at least 4 inches (102 mm) from where the wall  
and ceiling meet. See Avoiding Dead Air Spacesfor more informa-  
tion.  
The same fuse or circuit breaker must power all interconnected units.  
The total length of wire interconnecting the units should be less than  
1000 feet (300 meters). The interconnect wire should be Type 18  
gauge AWM or larger, rated at least 300V. If an interconnect wire is  
not already part of your household wiring, you will need to install  
one. This type of wire is commonly available at Hardware and  
Electrical Supply stores.  
All wiring must conform to all local electrical codes and Article 760  
of the National Electrical Code. Refer to NFPA, Chapter 2 and/or  
your local building code for further connection requirements.  
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.  
Type of Alarm  
What You See and Hear  
Connect the white wire on the power connector to the neutral  
wire (usually white) in the junction box.  
Connect the black wire on the power connector to the hot wire  
(usually black) in the junction box.  
Connect the orange wire on the power connector to the inter-  
connect wire in the junction box. Repeat for each unit you are  
interconnecting. Never connect the hot or neutral wires in the  
junction box to the orange interconnect wire. Never cross hot  
and neutral wires between interconnected Alarms.  
Carbon Monoxide  
(CO)  
CO Light:  
Flashing RED  
Horn: 4 beeps,  
pause, 4 beeps,  
pause  
NOTE: For any location, make sure no door or other obstruction could  
keep carbon monoxide or smoke from reaching the Alarm.  
Installing Smoke/CO Alarms in Mobile Homes  
Never go back inside a burning building for any reason.  
Contact your Fire Department for ideas on making your home safer.  
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.  
Smoke  
Smoke Light:  
Flashing RED  
Horn: 3 beeps,  
pause, 3 beeps,  
pause  
For maximum protection, use both types of Smoke Alarms on each  
level and in every bedroom of your home.  
6
Alarms have various limitations. See "General Limitations of  
Smoke/CO Alarms" for details.  
7
B
A
}
3. Plug the power connector into the back of the Smoke/CO Alarm.  
}
8
FIRE SAFETY TIPS  
4. Position the base of the Smoke/CO Alarm over the mounting bracket  
and turn. The Alarm will remain secure over a wide rotation range to  
allow for perfect alignment. When wall mounting, this will allow fine-  
tuning on the positioning to compensate for out of aligned wall studs  
and to keep the wording level. The Alarm can be positioned over the  
bracket every 120°. Rotate the Alarm until aligned properly.  
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 dont overload elec-  
trical circuits; 5) Keep stoves, barbecue grills, fireplaces and chimneys  
grease- and debris-free; 6) Never leave anything cooking on the stove  
unattended; 7) Keep portable heaters and open flames, like candles,  
away from flammable materials; 8) Dont let rubbish accumulate.  
SMART INTERCONNECTFEATURE  
5
4
3
5
WHERE THIS ALARM SHOULD NOT BE INSTALLED  
Do NOT locate this Smoke/CO Alarm:  
This Alarm includes "Smart Interconnect" which enables the Alarm to be  
interconnected with other BRK Smoke, Heat, and "Smart Interconnect"  
CO Alarms. When smoke is detected, all Alarms will sound the smoke  
horn pattern. When CO is detected, "Smart Interconnect" Alarms will  
sound the CO horn pattern. Alarms that do not have the "Smart  
Interconnect" Feature will remain silent during a CO alarm.  
4
3
2
WHAT TO DO IF CARBON MONOXIDE IS DETECTED  
In garages, kitchens, furnace rooms, crawl spaces and unfinished  
attics. Avoid extremely dusty, dirty or greasy areas.  
5. Check all connections.  
1
1
ALARM-MOVE TO FRESH AIR”  
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/CO 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  
unwantedalarms. Unwanted alarms can occur if a Smoke/CO  
Alarm is placed directly next to a fuel-burning source. Ventilate these  
areas as much as possible.  
STAND ALONE ALARM ONLY:  
A. Unswitched 120VAC  
60 Hz source  
B. To Additional Alarms,  
Maximum = 18 Alarms  
If you hear the alarm horn sound 4 beeps, pause,  
4 beeps, pause, and the RED CO light is flashing,  
move everyone to a source of fresh air.  
If you are only installing one unit, restore power to the junction box.  
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.  
USING THE SILENCE FEATURE  
INTERCONNECTED ALARMS ONLY:  
1. Smoke/CO Alarm  
2. Ceiling or Wall  
3. Power Connector  
4. Wire Nut  
5. Junction Box  
6. Neutral Wire (White)  
7. Interconnect Wire  
(Orange)  
8. Hot Wire (Black)  
If you are interconnecting multiple Smoke/CO Alarms, repeat  
Step 1-5 for each Smoke/CO Alarm in the series. When you are  
finished, restore power to the junction box.  
N
EVER disconnect the power to your Smoke/CO Alarm to silence the  
Continued...  
hornuse the Silence Feature. Disconnecting the Smoke/CO Alarm  
removes your protection! If the unit will not silence or if it stays in  
silence mode continuously, it should be replaced immediately.  
BASIC SAFETY INFORMATION  
Using the Optional Locking Features (Continued)  
USING THE OPTIONAL LOCKING FEATURES  
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 MOUNTING BRACKET LOCK  
TO ACTIVATE THE BRACKET LOCK:  
The optional locking features are designed to discourage unauthorized  
removal of the battery or alarm. It is not necessary to activate the  
locks in single-family households where unauthorized battery or alarm  
removal is not a concern.  
Battery Drawer Lock  
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.  
1. Using needle-nose pliers, detach one locking pin from the mounting  
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.  
To use the Silence Feature, press the Test/Silence button until you  
hear the acknowledge chirpor until the horn is silent.  
bracket.  
Locking Pin  
These Smoke/CO Alarms have two separate locking features: one locks  
the battery compartment, and the other locks the Smoke/CO Alarm to the  
mounting bracket. You can choose to use either feature independently, or  
use them both.  
2. Insert the locking pin into the lock located on the base as shown in  
the diagram.  
If the Test/Silence button is pressed while the Smoke/CO Alarm is  
in the silence mode, the alarm will start sounding again.  
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.  
3. When you attach the Smoke/CO Alarm to the mounting bracket, the  
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.  
locking pins head will fit into a notch on the bracket.  
To silence Alarms in an interconnected series:  
Tools you will need: Needle-nose pliers or utility knife  
Standard/Flathead screwdriver.  
To silence an interconnected series of Smoke/CO Alarms, you must  
press the Test/Silence button on the initiating alarm (The unit with the  
flashing red light; the red light will be off on all other Alarms.). If you  
press the Test/Silence on any other Alarm, it will only silence that unit,  
not the whole interconnected series.  
In direct sunlight.  
Mounting Bracket Lock  
In turbulent air, like near ceiling fans or open windows. Blowing air  
may prevent CO or smoke from reaching the sensors.  
Both locking features use locking pins, molded into the mounting bracket. Using needle nose pliers or a utility knife, remove one or both pins, depending on  
which locking features you use.  
In areas where temperature is colder than 40˚ F (4˚ C) or hotter than  
100˚ F (38˚C). These areas include non-airconditioned crawl spaces,  
unfinished attics, uninsulated or poorly insulated ceilings, porches,  
and garages.  
THE BATTERY COMPARTMENT LOCK  
WHEN THE SMOKE ALARM IS SILENCED...  
TO LOCK THE BATTERY COMPARTMENT:  
TO UNLOCK THE BATTERY COMPARTMENT:  
The Smoke Alarm will remain silent for up to 15 minutes and then return  
to normal operation. If the smoke has not cleared within the silence peri-  
od or if smoke increases to a critical level during the silence period, the  
unit will go back into alarm.  
ELECTRICAL SHOCK HAZARD. Turn off the power to the area  
where the Smoke/CO Alarm is installed before removing it from  
the mounting bracket. Failure to turn off the power first may  
result in serious electrical shock, injury or death.  
TO DEACTIVATE THE BRACKET LOCK:  
In insect infested areas. Insects can clog the openings to the sens-  
ing chamber.  
Do not lock the battery compartment until you have activated the battery  
and tested the battery back-up.  
Once the Smoke/CO Alarm is installed, you must disconnect it from the AC  
power before unlocking the battery compartment.  
ELECTRICAL SHOCK HAZARD. Turn off the power to the area  
where the Smoke/CO Alarm is installed before removing it from the  
mounting bracket. Failure to turn off the power first may result in  
serious electrical shock, injury or death.  
Less than 12 inches (305 mm) away from fluorescent lights.  
Electrical noisecan interfere with the sensor.  
1. Activate the battery back-up by removing  
the Pull to Activate Battery Back-Up”  
tab. Push and hold the test button on the  
Smoke/CO Alarms cover until the alarm  
sounds: 4 beeps, pause, 4 beeps, pause,  
3 beeps, pause, 3 beeps, pause.  
Use the Silence Feature only if you are certain of the source of  
smoke. If you are not certain of the source or a fire starts while  
you are clearing smoke, evacuate the house immediately. Not  
responding to an alarm can result in property loss, injury, or death.  
This unit will not alert hearing impaired residents. It is  
recommended that you install special units which use devices  
like flashing strobe lights to alert hearing impaired residents.  
Installation of this unit must conform to the electrical codes  
in your area; Article 760 of NFPA 70 (NEC), NFPA 72, NFPA  
101; ICC; SBC (SBCCI); UBC (ICBO); NBC (BOCA); OTFDC  
(CABO), and any other local or building codes that may apply.  
Wiring and installation must be performed by a licensed elec-  
trician. Failure to follow these guidelines may result in injury  
or property damage.  
ELECTRICAL SHOCK HAZARD. Turn off the power to the area where the  
Smoke/CO Alarm is installed before removing it from the mounting  
bracket. Failure to turn off the power first may result in serious electrical  
shock, injury or death.  
In dead airspaces. See Avoiding Dead Air Spaces.  
AVOIDING DEAD AIR SPACES  
Dead airspaces 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.  
Always discharge the branch circuit before servicing an AC or  
AC/DC Smoke/CO Alarm. First, turn off the AC power at the circuit  
breaker or fuse box. Next, remove the battery from Smoke/CO  
Alarms with battery back-up. Finally, press and hold the test button.  
1. Insert a flathead screwdriver between the mounting bracket pin and  
the mounting bracket.  
2. Pry the Smoke/CO Alarm away from the bracket by turning both the  
screwdriver and the Smoke/CO Alarm counterclockwise (left) at the  
same time.  
WHEN THE CO ALARM IS SILENCED...  
1. Remove the Smoke/CO Alarm from the mounting bracket. If the unit is  
locked to the bracket, see the section To Deactivate the Locking  
Feature.”  
The CO Alarm will remain silent for 4 minutes. While the Alarm is  
silenced, it will continue to monitor the air for CO. After 4 minutes, if CO  
levels remain potentially dangerous the horn will start sounding again.  
If the unit does not alarm during  
testing, DO NOT lock the battery  
compartment! Install a new bat-  
tery and test again. If it still does  
not alarm, replace the Smoke/CO  
Alarm immediately.  
2. Disconnect the power connector by gently prying it away from the back  
of the Smoke/CO Alarm.  
This unit must be powered by a 24-hour, 120V AC pure sine  
wave 60 Hz circuit. Be sure the circuit cannot be turned off  
by a switch, dimmer, or ground fault circuit interrupter. Failure  
to connect this unit to a 24-hour circuit may prevent it from  
providing constant protection. Unit may be connected to an arc  
fault circuit interrupter.  
The Silence Feature is intended to temporarily silence the Alarm horn. It  
will not correct a CO problem.  
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.  
3. Insert a flathead screwdriver under the head of  
the locking pin, and gently pry it out of the bat-  
tery compartment lock. (If you plan to re-lock  
the battery compartment, save the locking pin.)  
2. Using needle-nose pliers or a utility  
knife, detach one locking pin from  
the mounting bracket.  
LOW BATTERY SILENCE FEATURE  
This Silence Feature can temporarily quiet the low battery warning  
chirpfor up to 8 hours if AC power is present. Press the Test/Silence  
button on the Alarm cover until you hear the acknowledge chirp.  
Once the low battery warning chirpsilence feature is activated, the  
unit continues to flash the green light once a minute for 8 hours. After 8  
hours, the low battery chirpwill resume. The Alarm will continue to  
operate as long as AC power is supplied. However, replace the battery as  
soon as possible, to maintain protection in event of a power outage.  
On a peaked, gabled, or cathedral ceiling, install the first Smoke/CO  
Alarm within 3 feet (0.9 meters) of the peak of the ceiling, measured hor-  
izontally. 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.  
4. To re-lock the battery compartment, close the  
battery door and reinsert the locking pin in the  
lock.  
This Smoke/CO Alarm must have AC or battery power to  
operate. If AC power fails and the battery is dead or missing,  
the alarm cannot operate.  
3. Push the locking pin  
through the black dot on  
the label on the back of  
the Smoke/CO Alarm.  
Never disconnect the power from an AC powered unit to  
stop an unwanted alarm. Doing so will disable the unit and  
remove your protection. In the case of a true unwanted  
alarm, use the Silence Feature (if equipped), open a window  
or fan the smoke away from the unit. The alarm will reset  
automatically when it returns to normal operation. Never  
remove the batteries from a battery operated unit to stop an  
unwanted alarm (caused by cooking smoke, etc.). Instead  
open a window or fan the smoke away from the unit. The  
alarm will reset automatically.  
5. Reconnect the power connector to the back of the Smoke/CO Alarm,  
reattach the Smoke/CO Alarm to the mounting bracket, and restore the  
power.  
Continued...  
TO PERMANENTLY REMOVE  
THE BRACKET LOCK:  
Continued...  
When replacing the battery, always test the Smoke/CO Alarm before  
re-locking the battery compartment.  
Insert the flathead screwdriver  
between the locking pin and the  
lock, and pry the pin out of the  
lock.  
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