BRK electronic Smoke Alarm 4120 series User Manual

WIRELESS OPERATION  
RECOMMENDED LOCATIONS  
ABOUT SMOKE ALARMS  
UNDERSTANDING THE INDICATOR LIGHTS  
AND ALARM HORN PATTERNS  
HOW TO INSTALL THIS SMOKE ALARM  
First Alert® ONELINK® Technology is the easy, cost-effective way to provide  
your family with whole-home safety. All ONELINK® Alarms communicate with  
each other without wires or connectors. When one Alarm sounds, they all  
sound. This provides your family with an earlier warning of potential danger,  
and gives you more time to react.  
Battery (DC) operated Smoke Alarms: Provide protection even when elec-  
tricity fails, provided the batteries are fresh and correctly installed. Units are  
easy to install, and do not require professional installation.  
USER’S MANUAL  
FOR SMOKE ALARMS  
This Smoke Alarm 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 (if allowed by local codes).  
Read “Recommended Locations For Smoke Alarms” and “Locations to Avoid For Smoke Alarms” before you begin installation.  
Tools you will need: • Needle-nose pliers Standard Flathead screwdriver Phillips screwdriver.  
Installing Smoke Alarms in Single-Family Residences  
WIRELESS ONELINK® AC POWERED  
SMOKE ALARM WITH BATTERY BACK-UP  
AC Power  
All Models  
DC Power  
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. For additional cover-  
age, 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˚ C) and 100˚ F (38˚ C). Make sure no door or other  
obstruction could keep smoke from reaching the Smoke Alarms.  
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.  
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 dimmer on the same circuit or mounted near fluorescent lighting. Excessively noisy power may  
cause damage to your Alarm.  
The communication distance (range) between any two ONELINK® Alarms is  
typically 50 feet (15 meters) inside of a home. Some features of a home, such  
as the number of floors, number/size of rooms, furniture and types of building  
materials used may reduce the range of the Alarms. Examples include:  
suspended ceilings, ductwork, large metallic appliances (refrigerators) and  
metal studs. A feature of ONELINK® Alarms is that they operate as a mesh  
network. All Alarms will repeat any alarm signal that is received to all other  
ONELINK® Alarms. Interference from structural conditions can be overcome  
by adding additional Alarms to route the wireless signal around obstructions.  
Normal Operation  
Test Condition  
Constant Green LED  
No Audible Alarm  
Green LED Off  
No Audible Alarm  
®
Constant Green LED  
Green LED Off  
ONELINK Smoke Alarms with battery (DC) back-up: Interconnects with  
THE PARTS OF THIS SMOKE ALARM  
all ONELINK® enabled Smoke and Smoke/CO Alarms without wires or con-  
nectors, so when one alarm sounds, they all sound. Will operate if electricity  
fails, provided the batteries are fresh and correctly installed. Units are easy to  
install, and do not require professional installation.  
Rapidly Flashing  
Red LED  
Rapidly Flashing  
Red LED  
The Mounting Bracket:  
The Parts of This Unit  
More specifically, install Smoke Alarms:  
To remove the mounting bracket from the Smoke  
1
2
3
4
5
6
Mounting Bracket  
Alarm base, hold the Smoke Alarm base firmly  
and twist the mounting bracket counterclockwise.  
The mounting bracket installs onto the junction box.  
It has a variety of screw slots to fit most boxes.  
Audible Alarm  
Audible Alarm  
Green LED Off  
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.  
Input: 120V AC ~,  
Mounting Slots  
Smoke Alarms for Solar or Wind Energy users and battery backup power  
systems: AC powered Smoke Alarms should only be operated with true or  
pure sine wave inverters. Operating this Smoke 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.  
Alarm Condition*  
(Initiating Unit)  
Constant Green LED  
60Hz, 0.09A  
Rapidly Flashing  
Red LED  
Rapidly Flashing  
Red LED  
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.  
Locking Pins (break out of bracket)  
Hot (Black) AC Wire  
The range and proper operation of any wireless device will vary  
depending on its surroundings. It is very important that each  
Alarm is tested individually before and after installation to make  
sure that all Alarms respond properly.  
The ONELINK Alarms are not to be used outdoors or to transmit  
between buildings. The Alarms will not communicate properly  
under these conditions.  
Metal objects and metallic wallpaper may interfere with signals  
from wireless Alarms. Alarms should be tested after changes to  
your home such as remodeling, moving furniture, and with metal  
doors opened and closed.  
Audible Alarm  
Audible Alarm  
The Power Connector:  
Neutral (White) AC Wire  
Interconnect (Orange) Wire  
The power connector plugs into a power input block on  
the Smoke Alarm. It supplies the unit with AC power.  
®
Silence Mode  
Low Battery  
Malfunction  
Rapidly Flashing  
Red LED  
Rapidly Flashing  
Red LED  
IMPORTANT!  
PLEASE READ CAREFULLY AND SAVE.  
This user’s manual contains important information about your  
Smoke Alarm’s operation. If you are installing this Smoke Alarm for use by  
others, you must leave this manual—or a copy of it—with the end user.  
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. These units can be interconnected so if one unit senses  
smoke, all units alarm.  
• The black wire is “hot.”  
Alarm “chirpapprox.  
once/minute  
Alarm “chirpapprox.  
once/minute  
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 inter-  
connected for added protection.  
7
8
Quick-Connect Power Connector  
• The white wire is neutral.  
Turn this way to remove from bracket  
• The orange wire is used for interconnect.  
3 rapid “chirps” every  
minute; LED flashes  
approx. once a minute  
3 rapid “chirps” every  
minute; LED flashes  
approx. once a minute  
Smoke alarms are not to be used with detector guards unless the  
combination has been evaluated and found suitable for that purpose.  
9
Turn this way to attach to bracket  
If you need to remove the power connector, turn  
POWER OFF first. Insert a flat screwdriver blade  
between the power connector and the security tab  
inside the power input block. Gently pry back the tab  
and pull the connector free.  
LISTED TO  
UL 217  
STANDARD  
Model  
SA520  
Your First Alert® ONELINK® Smoke Alarm will automatically communicate  
Printed in Mexico  
10 Slide-Out Battery Drawer  
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 unit to install, refer to NFPA (National  
Fire Protection Association) 72 (National Fire Alarm 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.  
potential fires with all other First Alert® ONELINK® Smoke Alarms.  
M08-0149-003  
08/08  
Q
NOTE: When power is applied, unit(s) may alarm momentarily.  
FCC NOTICE: 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.  
FCC ID: M7U5201L  
*When any Smoke Alarm in an interconnected series triggers an alarm, its  
red LED will flash rapidly. The red LEDs will remain OFF on any remaining  
alarms in the series. This feature helps responders identify which unit(s)  
triggered the alarm.  
QUICK INSTALLATION INSTRUCTIONS  
© 2008 BRK Brands, Inc. All rights reserved.  
Distributed by BRK Brands, Inc.  
INSTALLATION STEPS, Continued  
STAND-ALONE ALARM ONLY:  
Easily expand an existing interconnected 120V AC hardwired system by  
simply replacing one Alarm in the series with the First Alert® ONELINK®  
Model SA520. Then add additional battery-operated Alarms to expand the  
system with no additional electrical work.  
3901 Liberty Street Road, Aurora, IL 60504-8122  
Consumer Affairs: (800) 323-9005  
If you are only installing one Smoke Alarm, restore power to the  
junction box.  
Changes or modifications not expressly approved by BRK Brands, Inc.  
could void the user’s authority to operate the equipment.  
SPECIAL COMPLIANCE CONSIDERATIONS  
WEEKLY TESTING  
®
®
All First Alert and BRK Smoke Alarms conform to regulatory  
INTERCONNECTED UNITS ONLY:  
1. Insert the batteries into the battery  
drawer of the first Alarm and close  
the drawer.  
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, long-  
term health care facilities, nursing homes, day care facilities, or group  
homes of any kind—even if they were once single-family homes. It is not  
a suitable substitute for complete fire detection systems in warehouses,  
industrial facilities, commercial buildings, and special-purpose non-resi-  
dential 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.  
requirements, including UL217 and are designed to detect particles of  
combustion. Smoke particles of varying number and size are produced  
in all fires.  
If you are interconnecting multiple Smoke Alarms, repeat steps  
1-5 for each Smoke Alarm in the series. When you are finished,  
restore power to the junction box.  
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).  
IF THIS SMOKE ALARM SOUNDS  
RESPONDING TO AN ALARM  
During an alarm, you will hear a loud, repeating horn pattern:  
3 beeps, pause, 3 beeps, pause.  
2. The Alarm will sound with a chirp.  
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.  
3. If you purchased the Talking Smoke  
and Carbon Monoxide Alarm, you  
If the Alarm ever fails to test properly, replace it immediately.  
Products under warranty may be returned to the manufacturer  
for replacement. See “Limited Warranty” at the end of this manual.  
ELECTRICAL SHOCK HAZARD. Do not restore power until all Smoke  
Alarms are completely installed. Restoring power before installation is  
complete may result in serious electrical shock, injury or death.  
6. Make sure the Smoke Alarm is receiving AC power. Under normal  
operation, the Green power indicator light will shine continuously.  
7. 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.  
8. Test each Smoke Alarm. Press and hold the Test/Silence button until the  
unit alarms. When testing a series of interconnected units you must  
test each unit individually. Make sure all units alarm when each one  
is tested.  
will now be prompted to set the  
Alarm's location. Follow the direction given by the Alarm.  
NOTE: Steps 4 through 6 need to be completed within two minutes.  
If more than two minutes pass, the Green power LED will stop  
blinking. Simply open the battery drawer of the second Alarm  
and repeat steps 4 through 6.  
• 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.  
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.  
AGENCY PLACEMENT RECOMMENDATIONS  
NFPA 72 (National Fire Code) Chapter 11  
“For your information, the National Fire Protection Association's Standard 72,  
reads as follows:”  
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.  
The following information applies to all four types of buildings listed below:  
In new construction, most building codes require the use of AC or AC/DC  
powered Smoke Alarms only. AC, AC/DC, or DC powered Smoke Alarms can  
be used in existing construction as specified by local building codes. Refer to  
NFPA 72 (National Fire Alarm 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.”  
4. Insert the batteries into the battery drawer of the next Alarm. DO NOT  
• 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.  
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 Alarm. Press and hold the test button on the cover of the unit until  
the alarm sounds (the unit may continue to alarm for a few seconds after you  
release the button). If it does not alarm, make sure the unit is receiving power  
and test it again. If it still does not alarm, replace it immediately.  
During testing, you will hear a loud, repeating horn pattern:  
3 beeps, pause, 3 beeps, pause.  
CLOSE THE DRAWER.  
For maximum protection, use both types of Smoke Alarms on each  
level and in every bedroom of your home.  
“11.5.1 One- and Two-Family Dwelling Units.”  
5. Press and hold the test button and then close the battery drawer.  
“11.5.1.1 Smoke Detection. Where required by applicable laws, codes, or  
standards for the specified occupancy, approved single- and multiple-station  
Smoke Alarms shall be installed as follows: (1) In all sleeping rooms.  
Exception: Smoke Alarms shall not be required in sleeping rooms in existing  
one- and two-family dwelling units. (2) Outside of each separate sleeping  
area, in immediate vicinity of the sleeping rooms. (3) On each level of the  
dwelling unit, including basements. Exception: In existing one- and two family  
dwelling units, approved Smoke Alarms powered by batteries are permitted.”  
6. Once you hear the unit chirp, release the test button. The Green power  
LED will start to blink indicating the ONELINK® Alarm is waiting for  
program data from one of the other setup ONELINK® Alarms.  
• If the unit alarms get everyone out of the house immediately.  
1. Single-Family Residence:  
Single family home, townhouse. It is recommended Smoke Alarms be installed  
on every level of the home, in every bedroom, and in each bedroom hallway.  
FIRE SAFETY TIPS  
7. Press and hold the test button on the first Alarm, until the second  
Alarm chirps and its Green power LED stops blinking. Then release  
the test button.  
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.  
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 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) Don’t let rubbish accumulate.  
If any unit in the series does not alarm, TURN OFF POWER and recheck  
connections. If it does not alarm when you restore power, replace it  
immediately.  
2. Multi-Family or Mixed Occupant Residence:  
When testing a series of interconnected units you must test each unit  
individually. Make sure all units alarm when each one is tested.  
Apartment building, condominium. This Smoke Alarm is suitable for use in  
individual apartments or condos, 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  
ordinances/regulations.  
8. If you purchased the Talking Smoke and Carbon Monoxide Alarm, you  
will now be prompted to set the Alarm's location. Follow the directions  
given by the Alarm.  
9. If you have purchased the hardwired battery back-up ONELINK® Alarm,  
you can now connect the hardwired Alarm by installing the three-wire  
connector on the ceiling to the Alarm.  
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 rapidly. It will  
remain OFF on any remaining units.  
“A.11.8.3 Are More Smoke Alarms Desirable? The required number of  
Smoke Alarms might not provide reliable early warning protection for those  
areas separated by a door from the areas protected by the required Smoke  
Alarms. For this reason, it is recommended that the householder consider  
the use of additional Smoke Alarms for those areas for increased protection.  
The additional areas include the basement, bedrooms, dining room, furnace  
room, utility room, and hallways not protected by the required Smoke Alarms.  
The installation of Smoke Alarms in kitchens, attics (finished or unfinished),  
or garages is not normally recommended, as these locations occasionally  
experience conditions that can result in improper operation.”  
REGULAR MAINTENANCE  
Special Requirements For Interconnected Smoke Alarms  
If the unit alarms, get everyone out of the dwelling immediately.  
Use only the replacement batteries listed below. The unit may not  
operate properly with other batteries. Never use rechargeable batteries  
since they may not provide a constant charge.  
3. Institutions: Hospitals, day care facilities, long-term health care facilities.  
This Smoke Alarm is suitable for use in individual patient sleeping/resident  
rooms, 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 ordinances/regulations.  
• 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 Alarms can be interconnected. Under AC  
power, all units will alarm when one senses smoke. When power is  
interrupted, only the AC/DC units in the series will continue to send  
and receive signals. AC powered Smoke Alarms will not operate.  
If the unit alarms and you are certain that the source of smoke is not a fire—  
cooking smoke or an extremely dusty furnace, for example—open 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.  
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.  
10. Repeat steps 4-9 for additional ONELINK® Alarms.  
®
You have now successfully linked your new ONELINK Alarms.  
To add additional Alarms at a later time, follow steps 4 through 9.  
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.  
WHAT TO DO IN CASE OF FIRE  
4. Hotels and Motels: Also boarding houses and dormitories. This Smoke  
Alarm is suitable for use inside individual sleeping/resident rooms, 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 ordinances/regulations.  
FOLLOW THESE INSTALLATION STEPS  
Interconnected units can provide earlier warning of fire than stand-alone  
units, especially if a fire starts in a remote area of the dwelling. If any unit  
in the series senses smoke, all units will alarm. To determine which Smoke  
Alarm initiated an alarm, see table:  
Clean the Smoke Alarm at least once a month; gently vacuum the  
outside of the Smoke Alarm using your household vacuum’s soft brush  
attachment. Test the Smoke Alarm. Never use water, cleaners or solvents  
since they may damage the unit.  
Don’t panic; stay calm. Follow your family escape plan.  
LOCATIONS TO AVOID FOR SMOKE ALARMS  
The basic installation of this Smoke Alarm is similar whether you want to  
install one Smoke Alarm, or interconnect more than one Smoke Alarm.  
If you are interconnecting more than one Smoke Alarm, you MUST read  
“Special Requirements For Interconnected Smoke Alarms” below before  
you begin installation.  
BEFORE YOU INSTALL THIS SMOKE ALARM  
For best performance, AVOID installing Smoke Alarms in these areas:  
Get out of the house as quickly as possible. Don’t stop to  
get dressed or collect anything.  
IMPORTANT! Read “Recommended Locations for Smoke Alarms” and  
“Locations to Avoid for Smoke Alarms” before beginning. This unit monitors  
the air, and when smoke reaches its sensing chamber, it alarms. It can give  
you more time to escape before fire spreads. This unit can ONLY give an  
early warning of developing fires if it is installed, maintained and located  
where smoke can reach it, and where all residents can hear it, as described  
in this manual. This unit will not sense gas, heat, or flame. It cannot prevent  
or extinguish fires.  
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 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.  
If the Smoke Alarm becomes contaminated by excessive dirt, dust and/or  
grime, and cannot be cleaned to avoid unwanted alarms, replace the unit  
immediately.  
On Initiating Alarms Red LED flashes rapidly  
On All Other Alarms Red LED is Off  
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.  
LIMITATIONS OF SMOKE ALARMS  
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.  
Relocate the unit if it sounds frequent unwanted alarms. See “Locations  
To Avoid For Smoke Alarms” for details.  
When the battery back-up becomes weak, the Smoke Alarm will “chirp”  
about once a minute (the low battery warning). This warning should last  
7 days, but you should replace the batteries immediately to continue your  
protection.  
Cover your nose and mouth with a cloth (preferably damp).  
Take short, shallow breaths.  
Smoke Alarms have played a key role in reducing deaths resulting from home  
fires worldwide. However, like any warning device, Smoke Alarms can only  
work if they are properly located, installed, and maintained, and if smoke  
reaches the Alarms. They are not foolproof.  
Interconnect units within a single family residence only. Otherwise all house-  
holds 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:  
Meet at your planned meeting place outside your home,  
and do a head count to make sure everybody got out safely.  
Understand The Different Type of Smoke Alarms  
Battery powered or electrical? Different Smoke Alarms provide different  
types of protection. See “About Smoke Alarms” for details.  
1. Remove the mounting bracket from  
the base, and attach it to the junction  
box.  
®
Call the Fire Department as soon as possible from outside.  
Give your address, then your name.  
Smoke alarms may not waken all individuals. Practice the escape plan at  
least twice a year, making sure that everyone is involved – from kids to grand-  
parents. 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 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 deter-  
mine their response to the sound of the smoke alarm while sleeping and to  
determine whether they may need assistance in the event of an emergency.  
First Alert Smoke Alarm Models SA4120, SA4121B, SA100B, 9120 series  
®
and BRK Electronics Smoke Alarm Models 100S, 4120 series, 9120 series,  
Know Where To Install Your Smoke Alarms  
®
Choosing a replacement battery:  
7010 series; BRK Electronics Heat Alarm Models HD6135F, HD6135FB;  
In air streams near kitchens. Air currents can draw cooking smoke into  
the sensing chamber of a Smoke Alarm near the kitchen.  
2. Using wire nuts, connect the power  
connector to the household wiring.  
Never go back inside a burning building for any reason.  
Fire Safety Professionals recommend at least one Smoke Alarm on  
every level of your home, in every bedroom, and in every bedroom  
hallway or separate sleeping area. See “Recommended Locations For  
Smoke Alarms” and “Locations To Avoid For Smoke Alarms” for details.  
Smoke/CO Alarm Models SC6120B, SC9120B; CO Alarm Model CO5120B;  
Relay Modules RM3 and RM4.  
Your Smoke Alarm requires 2 “AA” Energizer E91 batteries. These batteries  
are available at many local retail stores.  
Contact your Fire Department for ideas on making your home safer.  
In very damp, humid or steamy areas, or directly near bathrooms with  
showers. Keep units at least 10 feet (3 meters) away from showers,  
saunas, dishwashers, etc.  
STAND-ALONE ALARM ONLY:  
Interconnected units must meet ALL of the following requirements:  
Connect the white wire on the power connector to the neutral wire in  
the junction box.  
• A maximum of 18 compatible units may be interconnected  
(Maximum of 12 Smoke Alarms).  
Alarms have various limitations. See "Limitations of Smoke Alarms" for  
details.  
Know What Smoke Alarms Can and Can’t Do  
Actual battery service life depends on the smoke 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”).  
Where the temperatures are regularly below 40˚ F (4˚ C) or above  
100˚ F (38˚ C) including unheated buildings, outdoor rooms, porches,  
or unfinished attics or basements.  
A Smoke Alarm can help alert you to fire, giving you precious time to  
escape. It can only sound an alarm once smoke reaches the sensor.  
See “Limitations of Smoke Alarms” for details.  
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.  
• The same fuse or circuit breaker must power all interconnected units.  
Smoke 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.  
• The total length of wire interconnecting the units should be less than  
1000 feet (300 meters). This type of wire is commonly available at  
Hardware and Electrical Supply stores.  
USING THE SILENCE FEATURE  
The Silence Feature can temporarily quiet an unwanted alarm for up to 15  
minutes.  
In very dusty, dirty, or greasy areas. Do not install a Smoke Alarm directly  
over the stove or range. Clean a laundry room unit frequently to keep it  
free of dust or lint.  
Check Your Local Building Codes  
To replace the batteries (without removing Alarm from the ceiling  
or wall):  
1. Open the battery compartment.  
This Smoke Alarm is designed to be used in a typical single-family home.  
It alone will not meet requirements for boarding houses, apartment  
buildings, hotels or motels. See “Special Compliance Considerations”  
for details.  
• All wiring must conform to all local electrical codes and NFPA 70 (NEC).  
Refer to NFPA 72, NFPA 101, and/or your local building code for  
further connection requirements.  
INTERCONNECTED UNITS ONLY:  
Near fresh air vents, ceiling fans, or in very drafty areas. Drafts can blow  
smoke away from the unit, preventing it from reaching sensing chamber.  
Strip off about 1/2” (12 mm) of the plastic coating on the orange wire  
The Silence Feature does not disable the unit—it makes it temporarily  
less sensitive to smoke. For your safety, if smoke around the unit is  
dense enough to suggest a potentially dangerous situation, the unit will  
stay in alarm or may re-alarm quickly. If you do not know the source of  
the smoke, do not assume it is an unwanted alarm. Not responding to an  
alarm can result in property loss, injury, or death.  
on the power connector.  
2. Press tabs A and B as shown in the  
diagram and remove each battery.  
In insect infested areas. Insects can clog openings to the sensing  
chamber and cause unwanted alarms.  
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.  
Smoke Alarms cannot detect fires if the smoke does not reach the  
Alarms. Smoke from fires in chimneys or walls, on roofs, or on the other side  
of closed doors may not reach the sensing chamber and set off the Alarm.  
That is why one unit should be installed inside each bedroom or sleeping  
area—especially if bedroom or sleeping area doors are closed at night—and  
in the hallway between them.  
}
}
3. Insert the new batteries, making sure  
they snap completely into the battery  
compartment. Match the terminals on  
Less than 12 inches (305 mm) away from fluorescent lights.  
Electrical “noise” can interfere with the sensor.  
ELECTRICAL SHOCK HAZARD. Turn off the power to the area where  
the Smoke 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.  
Connect the orange wire on the power connector to the interconnect  
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 Alarms.  
In “dead air” spaces. “Dead air” spaces may prevent smoke from  
reaching the Smoke Alarm.  
B
the ends of the batteries with the  
terminals on the unit.  
To silence Smoke Alarms in an interconnected series:  
A
1. To silence multiple alarms in an interconnected series, you must press the  
Test/Silence button on the unit(s) that triggered the alarm.  
Smoke Alarms may not detect fire on another floor or area of the  
dwelling. For example, a stand-alone unit on the second floor may not detect  
smoke from a basement fire until the fire spreads. This may not give you  
enough time to escape safely. That is why recommended minimum protection  
is at least one unit in every sleeping area, and every bedroom on every level  
of your dwelling. Even with a unit on every floor, stand-alone units may not  
provide as much protection as interconnected units, especially if the fire starts  
in a remote area. Some safety experts recommend installing interconnected  
AC powered units with battery back-up (see “About Smoke Alarms”) or  
professional fire detection systems, so if one unit senses smoke, all units  
alarm. Interconnected units may provide earlier warning than stand-alone  
units since all units alarm when one detects smoke.  
4. Close the battery compartment, and then  
test the unit by pressing the Test/Silence  
button.  
AVOIDING DEAD AIR SPACES  
“Dead air” spaces may prevent smoke from reaching the Smoke Alarm.  
To avoid dead air spaces, follow the installation recommendations below.  
2. Once you activate the Silence feature, the Red LED will continue to flash  
rapidly.  
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; Articles 210 and 300.3 (B) of NFPA 70 (NEC), NFPA 72,  
NFPA 101; 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 electrician.  
Failure to follow these guidelines may result in injury or property  
damage.  
This unit must be powered by a 24-hour, 120VAC pure sine wave  
60Hz 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.  
This Smoke Alarm must have AC or battery power to operate.  
If the AC power fails, battery back-up will allow the alarm to  
sound for at least 4 minutes. If AC power fails and the battery is  
weak, protection should last for at least 7 days. If AC power fails  
and the battery is dead or missing, the alarm cannot operate.  
3. Plug the power connector into the back of the Smoke Alarm.  
4. Position the base of the Smoke Alarm over the mounting bracket and  
turn. The Alarm can be positioned over the bracket every 90°. Turn the  
Smoke Alarm clockwise (right) until the unit is in place.  
3. Pressing the Test/Silence button when in silence will restart the silence  
timer.  
On ceilings, install Smoke Alarms as close to the center of the ceiling as  
possible. If this is not possible, install the Smoke Alarm at least 4 inches  
(102 mm) from the wall or corner.  
A. Unswitched 120VAC  
60 Hz source  
B. To additional units; Maximum = 18 total  
(Maximum 12 Smoke Alarms)  
5. Check all connections.  
For wall mounting (if allowed by building codes), the top edge of Smoke  
Alarms should be placed between 4 inches (102 mm) and 12 inches (305 mm)  
from the wall/ceiling line, below typical “dead air” spaces.  
The Silence Feature on these units can temporarily quiet an unwanted alarm  
for up to 15 minutes. To use this feature, press the Test/Silence button on the  
cover. If the unit will not silence and no heavy smoke is present, or if it  
stays in silence mode continuously, it should be replaced immediately.  
1. Smoke Alarm  
4. Wire Nut  
7. Interconnect Wire  
(Orange)  
2. Ceiling or Wall  
3. Power Connector  
5. Junction Box  
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  
8. Hot Wire (Blk)  
6. Neutral Wire (Wht)  
On a peaked, gabled, or cathedral ceiling, install the first Smoke Alarm  
within 3 feet (0.9 meters) of the peak of the ceiling, measured horizontally.  
Additional Smoke 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.  
Smoke Alarms may not be heard. Though the alarm horn in this unit meets or  
exceeds current standards, it may not be heard if: 1) the unit is located outside a  
closed or partially closed door, 2) residents recently consumed alcohol or drugs,  
3) the Alarm is drowned out by noise from stereo, TV, traffic, air conditioner or  
other appliances, 4) residents are hearing impaired or sound sleepers. Special  
purpose units, like those with visual and audible alarms, should be installed  
for hearing impaired residents.  
non-functioning Alarm.  
Continued above...  
SILENCING THE LOW BATTERY WARNING  
This silence feature can temporarily quiet the low battery warning “chirp” for  
up to 8 hours. You can silence the low battery warning “chirp” by pressing  
the Test/Silence button on the alarm cover.  
OPTIONAL LOCKING FEATURES  
The 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.  
These Smoke Alarms have two separate locking features: one to lock the battery compartment, and the other to lock the Smoke Alarm  
to the mounting bracket. You can choose to use either feature independently, or use them both.  
Locking Features, Continued  
Once the low battery warning “chirp” silence feature is activated, the unit  
continues to flash the Green light twice 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).  
Smoke Alarms 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, chil-  
dren playing with matches, or fires caused by violent explosions resulting  
from escaping gas.  
TO LOCK THE MOUNTING BRACKET  
1. Using needle-nose pliers, detach one locking pin from mounting bracket.  
Tools you will need: • Needle-nose pliers • Standard Flathead screwdriver.  
Both locking features use locking pins, which are molded into the mounting bracket. Using needle-nose pliers, remove one or both pins  
from the mounting bracket, depending on how many locking features you want to use.  
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 open a window  
or fan the smoke away from the unit. The alarm will reset auto-  
matically 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.  
Smoke Alarms are not foolproof. Like any electronic device, Smoke Alarms  
are made of components that can wear out or fail at any time. You must test the  
unit weekly to ensure your continued protection. Smoke Alarms cannot prevent  
or extinguish fires. They are not a substitute for property or life insurance.  
To permanently remove either lock, insert a flathead screwdriver between the locking pin and the lock, and pry the pin out of the lock.  
IF YOU SUSPECT A PROBLEM  
Smoke Alarms may not operate properly because of dead, missing or weak  
batteries, a build-up of dirt, dust or grease on the Smoke Alarm cover, or  
installation in an improper location. Clean the Smoke Alarm as described in  
“Regular Maintenance,” and install a fresh battery, then test the Smoke Alarm  
again. If it fails to test properly when you use the test button, or if the problem  
persists, replace the Smoke Alarm immediately.  
Smoke Alarms have a limited life. The unit should be replaced immediately  
if it is not operating properly. You should always replace a Smoke Alarm after  
10 years from date of purchase. Write the purchase date on the space provided  
on back of unit.  
TO LOCK THE BATTERY COMPARTMENT  
TO UNLOCK THE BATTERY COMPARTMENT  
Do not lock the battery compartment until you have installed the  
2. Insert the locking pin into the lock located  
opposite from the battery drawer as shown  
in the diagram.  
battery and tested the battery back-up.  
Once the Smoke Alarm is installed, you must disconnect it from the AC power  
before unlocking the battery compartment.  
Connect this unit ONLY to other compatible units. See “How To  
Install This Smoke Alarm” for 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.  
This Smoke Alarm has a battery drawer which 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.  
1. Push and hold Test/Silence button until the alarm sounds:  
3 beeps, pause, 3 beeps, pause.  
If you hear a “chirp” approximately once a minute, replace the  
batteries.  
If you experience frequent non-emergency alarms (like those caused  
by cooking smoke), try relocating the Smoke Alarm.  
If the alarm sounds when no smoke is visible, try cleaning or  
relocating the Smoke Alarm. The cover may be dirty.  
If the alarm does not sound during testing, make sure it is receiving  
AC power from the household current.  
ELECTRICAL SHOCK HAZARD. Turn off the power to the area where the  
Smoke 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.  
3. When you attach the Smoke Alarm to the mounting bracket, the locking  
pin’s head will fit into a notch on the bracket.  
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.  
LIMITED WARRANTY  
BRK Brands, Inc., ("BRK") the maker of First Alert® brand and products,  
warrants that for a period of ten 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.  
If the unit does not alarm during testing, DO NOT lock the battery  
compartment! Install a new battery and test again. If the Smoke  
Alarm still does not alarm, replace it immediately.  
TO UNLOCK THE MOUNTING BRACKET  
Always discharge the branch circuit before servicing an AC or AC/DC  
Smoke Alarm. First, turn off the AC power at the circuit breaker or fuse box.  
Next, remove the battery from Smoke Alarms with battery back-up. Finally,  
press and hold the Test/Silence button for 5-10 seconds to discharge the  
branch circuit.  
2. Using needle-nose pliers, detach one locking pin from the mounting  
bracket.  
ELECTRICAL SHOCK HAZARD. Turn off the power to the area where the  
Smoke 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.  
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.  
How to Obtain Warranty Service  
Always discharge the branch circuit before servicing an AC or AC/DC  
Smoke Alarm. First, turn off the AC power at the circuit breaker or fuse  
box. Next, remove the battery from Smoke Alarms with battery back-up.  
Finally, press and hold the test button for 5-10 seconds to discharge the  
branch circuit.  
1. Remove the Smoke Alarm from the mounting  
bracket. If the unit is locked to the bracket, see  
the section “To Unlock the Mounting Bracket.”  
2. Disconnect the power connector by gently prying  
it away from the back of the Smoke Alarm.  
3. Insert a flathead screwdriver under the head  
of the locking pin, and gently pry it out of the  
battery compartment lock. (If you plan to relock  
the battery compartment, save the locking pin.)  
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  
Always discharge the branch circuit before servicing an AC or AC/DC  
Smoke Alarm. First, turn off the AC power at the circuit breaker or fuse  
box. Next, remove the battery from Smoke Alarms with battery back-up.  
Finally, press and hold the Test/Silence button for 5-10 seconds to  
discharge the branch circuit.  
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 try fixing the alarm yourself – this will void your warranty!  
If the Smoke Alarm is still not operating properly, and it is still under warranty,  
please see “How to Obtain Warranty Service” in the Limited Warranty.  
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.  
1. Insert a flathead screwdriver between the  
mounting bracket pin and the mounting bracket.  
4. To relock the battery compartment, close the  
battery door and reinsert locking pin in lock.  
5. Reconnect the power connector to the back of the Smoke Alarm, reattach  
the Smoke Alarm to the mounting bracket, and restore the power.  
3. Push the locking pin through the hole near the battery drawer on the  
back of the Smoke Alarm.  
2. Pry the Smoke Alarm away from the bracket by  
turning both the screwdriver and the Smoke  
Alarm counterclockwise (left) at the same time.  
First Alert® is a registered trademark of the First Alert Trust.  
ONELINK® is a registered trademark of BRK Brands, Inc.  
When replacing the battery, always test the Smoke Alarm before relocking the  
battery compartment.  
Printed in Mexico M08-0149-003  
Q
08/08  
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