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First Alert 3120B Handleiding

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Model 3120B
Printed in Mexico
M08-0224-000 Q11/10
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.
INTRODUCTION
Thank you for choosing First Alert®for your Smoke Alarm needs. You have
purchased a state of the art Smoke Alarm designed to provide you with an
early warning of a fire. Please take the time to read this manual and make
this Smoke Alarm an integral part of your family’s safety plan.
Key Features of the 3120B Photo & Ion Combo Smoke Alarm:
Photo & Ion Smoke Sensors: Dual photoelectric and ionization smoke
sensing technologies for optimal sensing of smoke particles produced in
both flaming and smoldering fires.
Optipath 360 TechnologyTM:Patented technology provides 360˚ of direct
access to the smoke sensor.
Two Silence Features: Low Battery Silence temporarily silences low
battery chirp for up to eight hours before replacing low battery.
Alarm Silence silences an unwanted alarm for several minutes.
Two Latching Features: Alarm Latch remembers which unit initiated an
alarm. Low Battery Latch visually identifies which unit is in low battery
condition.
Perfect Mount: Mounting bracket keeps alarm secure over a wide rotation
range to allow for perfect alignment.
Battery back-up: Keeps alarm functioning during a power interruption
provided batteries are fresh and installed properly.
©2010 BRK Brands, Inc. All rights reserved. Distributed by BRK Brands, Inc.
3901 Liberty Street Road, Aurora, IL 60504-8122
Consumer Affairs: (800) 323-9005
www.firstalert.com • www.brkelectronics.com
FIRE SAFETY TIPS
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’toverload 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.
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 fireextinguisher 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.
BEFORE YOU INSTALL THIS SMOKE ALARM
IMPORTANT! Read “Recommended Locations for Smoke Alarms” and
“Locations to Avoid for Smoke Alarms” beforebeginning. 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 whereall residents can hear it, as described in this
manual. This unit will not sense gas, heat, or flame. It cannot prevent or
extinguish fires.
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.
Know Where To Install Your Smoke Alarms
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.
Know What Smoke Alarms Can and Can’t Do
ASmoke 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.
Check Your Local Building Codes
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.
5 6 7 1 2 3
All First Alert®and BRK®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.
USER’S MANUAL
SMOKE ALARMS
ELECTRICAL SHOCK HAZARD. Turn off the power to the area where the
Smoke Alarm is installed beforeremoving it from the mounting bracket.
Failure to turn off the power first may result in serious electrical shock,
injury or death.
•This unit will not alert hearing impaired residents. It is recom-
mended 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 NFPA70 (NEC), NFPA 72,
NFPA101; 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.
•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.
•Connect this unit ONLYto 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.
The Mounting Bracket:
To remove the mounting bracket from the Smoke
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.
The Power Connector:
The power connector plugs into a power input block on
the Smoke Alarm. It supplies the unit with AC power.
•The black wire is “hot.”
•The white wire is neutral.
•The orange wire is used for interconnect.
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.
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The Parts of This Unit
1 Mounting Bracket
2Mounting Slots
3Locking Pins (break out of bracket)
4 Hot (Black) AC Wire
5Neutral (White) AC Wire
6 Interconnect (Orange) Wire
7 Quick-Connect Power Connector
8 Turn this way to remove from bracket
9Turn this way to attach to bracket
10 Slide-Out Battery Drawer
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.
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.
1. Remove the mounting bracket from the base, and attach it to the
junction box.
Activate the battery back-up by removing the “Pull to Activate Battery
Back-Up” tab. Or, install battery back-up. Battery back-up cannot work
until you install the battery in the correct position (Match “+” to “+” and
“-” to “-”).
Push and hold Test button until the alarm sounds: 3 beeps, pause,
3beeps, pause. LED flashes once every second.
2. Using wire nuts, connect the power connector to the household wiring.
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.
5. Check all connections.
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.
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. Continued...
8. Continued
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.
Special Requirements For Interconnected Smoke Alarms
•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.
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:
During an Alarm:
On Initiating Alarm(s) Red LED(s) flashes (flash) rapidly
On All Other Alarms Red LED is Off
After an Alarm (Latching):
On Initiating Alarm(s) Red LED(s) flash 3 times, spaced one second apart.
The pattern repeats approximately every 45 seconds.
On All Other Alarms Green LED(s) On, Red LED(s) Off
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 aremet. This unit is designed to be compatible
with: First Alert®Smoke Alarm Models SA4120, SA4121B, SA100B, SA520
and BRK®Smoke Alarm Models 3120B, 9120, 9120B, SC6120B, SC9120B,
7010, 7010B, 7010BSL, 7020B, SC7010B, SC7010BV, 100S, 4120, 4120B,
4120SB; BRK®CO Alarm Models CO5120BN, CO5120PDBN; BRK®Heat
Alarm Models HD6135F and HD6135FB; BRK®Auxiliary Devices Models
RM3 and RM4 (Relay Modules), SL177 (Strobe Light).
See www.brkelectronics.com for most current interconnect list.
Interconnected units must meet ALL of the following requirements:
• A maximum of 18 compatible units may be interconnected
(Maximum of 12 Smoke Alarms).
•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). This type of wire is commonly available at
Hardware and Electrical Supply stores.
•
All wiring must conform to all local electrical codes and NFPA 70 (NEC).
Refer to NFPA72, NFPA101, and/or your local building code for further
connection requirements.
HOW TO INSTALL THIS SMOKE ALARM
THE PARTS OF THIS SMOKE ALARM
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 or utility knife •Standard Flathead screwdriver.
FOLLOW THESE INSTALLATION STEPS
STAND-ALONE ALARM ONLY:
• 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.
INTERCONNECTED UNITS ONLY:
Strip off about 1/2” (12 mm) of the plastic coating on the orange wire
on the power connector.
•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.
•
Connect the orange wireon the power connector to the interconnect
wirein the junction box. Repeat for each unit you areinterconnecting.
Never connect the hot or neutral wires in the junction box to the orange
interconnect wire. Never cross hot and neutral wires between Alarms.
STAND-ALONE ALARM ONLY:
•If you are only installing one Smoke Alarm, restore power to the
junction box.
INTERCONNECTED UNITS ONLY:
•If you areinterconnecting multiple Smoke Alarms, repeat steps
1-5 for each Smoke Alarm in the series. When you are finished,
restore power to the junction box.
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A. Unswitched 120VAC
60 Hz source
B. To additional units; Maximum = 18 total
(Maximum 12 Smoke Alarms)
1. Smoke Alarm
2. Ceiling or Wall
3. Power Connector
4. Wire Nut
5. Junction Box
6. Neutral Wire (Wht)
7. Interconnect Wire
(Orange)
8. Hot Wire (Blk)
4
OPTIONAL LOCKING FEATURES
The locking features are designed to discourage unauthorized removal of the batteries 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.
Tools you will need: •Needle-nose pliers or utility knife • Standard Flathead screwdriver.
Both locking features use locking pins, which are molded into the mounting bracket. Using needle-nose pliers or a utility knife, remove
one or both pins from the mounting bracket, depending on how many locking features you want to use.
To permanently remove either lock, insert a flathead screwdriver between the locking pin and the lock, and pry the pin out of the lock.
TO LOCK THE BATTERY COMPARTMENT
Do not lock the battery compartment until you have installed the
batteries and tested the battery back-up.
1. Push and hold Test button until the alarm sounds: 3 beeps, pause,
3beeps, pause. LED flashes once every second.
If the unit does not alarm during testing, DO NOT lock the battery
compartment! Install new batteries and test again. If the Smoke
Alarm still does not alarm, replace it immediately.
2. Using needle-nose pliers or a utility knife, detach one locking pin
from the mounting bracket.
3. Push the locking pin through the hole near the battery drawer on the
back of the Smoke Alarm.
TO UNLOCK THE BATTERY COMPARTMENT
Once the Smoke Alarm is installed, you must disconnect it from the AC power
beforeunlocking the battery compartment.
ELECTRICAL SHOCK HAZARD. Turnoffthe power to the area wherethe
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.
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 batteries from Smoke Alarms with battery back-up.
Finally,press and hold the Test/Silence 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.)
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.
When replacing the batteries, always test the Smoke Alarm before relocking
the battery compartment.
TO UNLOCK 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.
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 batteries from Smoke Alarms with battery back-up.
Finally, press and hold the Test/Silence button for 5-10 seconds to
discharge the branch circuit.
1. Insert a flathead screwdriver between the
mounting bracket pin and the mounting bracket.
2. Pry the Smoke Alarm away from the bracket by
turning both the screwdriver and the Smoke
Alarm counterclockwise (left) at the same time.
TO LOCK THE MOUNTING BRACKET
1. Using needle-nose pliers, detach one locking pin from mounting bracket.
2. Insert the locking pin into the lock located
opposite from the battery drawer as shown
in the diagram.
3. When you attach the Smoke Alarm to the mounting bracket, the locking
pin’s head will fit into a notch on the bracket.
Locking Features (Continued)
Printed in Mexico M08-0224-000 Q11/10
First Alert®is a registered trademark of the First Alert Trust.
BRK®is a registered trademark of BRK Brands, Inc.
WEEKLY TESTING
• 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 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.
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 hornstarts 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 Alarm.
Press and hold the Test/Silence 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 surethe 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. LED flashes once every second.
When testing a series of interconnected units you must test each unit
individually. Make sure all units alarm when each one is tested.
REGULAR MAINTENANCE
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.
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 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.
•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.
• 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.
UNDERSTANDING THE INDICATOR LIGHTS
AND ALARM HORN PATTERNS
NOTE: When power is applied, unit(s) may alarm momentarily.
*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.
Latching Alarm Red LED flashing 2
seconds on,
2seconds off
Not available
AC Power
DC Power
Normal Operation Constant Green LED
No Audible Alarm
Flashing Green LED
once/minute
No Audible Alarm
Test Condition Rapidly Flashing
Red LED
Audible Alarm
Rapidly Flashing
Red LED
Audible Alarm
Silence Mode Rapidly Flashing
Red LED
Audible Alarm Off
Rapidly Flashing
Red LED
Audible Alarm Off
Alarm Condition*
(Initiating Unit)
Rapidly Flashing
Red LED
Audible Alarm
Rapidly Flashing
Red LED
Audible Alarm
Alarm Condition*
(Remote Units)
Constant Green LED
Audible Alarm
Green LED Off
Audible Alarm
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.
•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.
•If the unit alarms get everyone out of the house immediately.
•
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.
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.
If the unit alarms, get everyone out of the dwelling immediately.
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.
WHAT TO DO IN CASE OF FIRE
•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.
Ifadoor 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 "Limitations of Smoke Alarms" for
details.
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 fresh batteries, 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.
• 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.
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 batteries from Smoke Alarms with battery back-up.
Finally, press and hold the test button for 5-10 seconds to discharge the
branch circuit.
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.
Do not try fixing the alarm yourself – this will void your warranty!
LIMITED WARRANTY
BRK Brands, Inc., ("BRK") the maker of First Alert®brand and BRK®brand
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.
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.
RECOMMENDED LOCATIONS FOR
SMOKE ALARMS
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. 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 (4.4˚ 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 inter-
connected for added protection.
INSTALLING SMOKE ALARMS IN MOBILE HOMES & RVS
For minimum security install one Smoke 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 Alarms
should be installed where temperatures normally remain between 40˚ F (4.4˚ C)
and 100˚ F (37.8˚ C).
WARNING: Test units used in RVs after the vehicle has been in storage,
before every trip, and once a week while in use. Failure to test units
used in RVs as described may remove your protection.
LIMITATIONS OF SMOKE ALARMS
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 arenot foolproof.
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
grandparents. Allow children to master fireescape 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 firedrill while family members aresleeping in
order to determine 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.
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 offfor 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.
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.
Smoke Alarms may not detect fireon 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.
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.
Smoke Alarms may not have time to alarm beforethe fireitself 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.
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 ensureyour continued protection. Smoke Alarms cannot
prevent or extinguish fires. They are not a substitute for property or life
insurance.
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.
USING THE SILENCE FEATURE
The Silence Featurecan temporarily quiet an unwanted alarm for up to 15
minutes.
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.
To silence Smoke Alarms in an interconnected series:
1. To silence multiple alarms in an interconnected series, you must press the
Test/Silence button on the unit(s) that triggered the alarm.
2. Once you activate the Silence feature, the Red LED will flash approximately
once every 10 seconds.
3. Pressing the Test/Silence button when in silence will restart the silence
timer.
The Silence Feature on these units can temporarily quiet an unwanted alarm for
up to 15 minutes. Touse 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.
Model 3120B
with Battery Back-Up and Silence
AC Powered
Photo & Ion Smoke Alarm
Input: 120V AC ~,60Hz, 0.07A
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.
Low Battery Alarm “chirp’’ approx.
once/minute
Alarm “chirp’’ approx.
once/minute
Low Battery Latch Green LED flashing 2
seconds on,
2seconds off
Not available
LISTED TO
UL 217
STANDARD
AGENCY PLACEMENT RECOMMENDATIONS
NFPA 72 (National Fire Code) Chapter 11
“For your information, the National Fire Protection Association's Standard 72,
reads as follows:”
“11.5.1 One- and Two-Family Dwelling Units.”
“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.”
“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, unfinished attics, or garages
is not normally recommended, as these locations occasionally experience
conditions that can result in improper operation.”
California State Fire Marshal (CSFM)
Early warning detection is best achieved by the installation of firedetection
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.
LOCATIONS TO AVOID FOR SMOKE ALARMS
For best performance, AVOID installing Smoke Alarms in these 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 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 areintended 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.
• In air streams near kitchens. Air currents can draw cooking smoke into
the sensing chamber of a Smoke Alarm near the kitchen.
• 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.
• Where the temperatures are regularly below 40˚ F (4.4˚ C) or above
100˚ F (37.8˚ C) including unheated buildings, outdoor rooms, porches,
or unfinished attics or basements.
• 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.
• 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.
•In insect infested areas. Insects can clog openings to the sensing chamber
and cause unwanted alarms.
•Less than 12 inches (305 mm) away from fluorescent lights. Electrical
“noise” can interferewith the sensor.
•In “dead air” spaces. “Dead air” spaces may prevent smoke from reaching
the Smoke Alarm.
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.
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.
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.
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.
SPECIAL COMPLIANCE CONSIDERATIONS
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
asuitable 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.
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.”
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.
2. Multi-Family or Mixed Occupant Residence:
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.
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.
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.
ABOUT SMOKE ALARMS
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. They do not,
however, provide interconnected functionality.
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.
Wireless Interconnected Alarms: Offer the same interconnected functionality
as with hardwired alarms, without wires. Units are easy to install and do not
require professional installation. They provide protection even when electricity
fails, provided the batteries are fresh and correctly installed.
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.
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. Continued...
ABOUT SMOKE ALARMS, Continued
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 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.
2
1
Choosing a replacement battery:
Your Smoke/CO Alarm requires two “AA” Energizer E91 batteries.
These batteries are available at many local retail stores.
Actual battery service life depends on the Alarm and the environment in which
it is installed. All the batteries specified above areacceptable 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.
AB
SILENCING THE LOW BATTERY WARNING
This Silence Featurecan temporarily quiet the low battery warning “chirp” for
up to 8 hours. Press the Test/Silence button on the Alarm cover until you hear
the acknowledge “chirp”.
Once the low battery warning “chirp” silence featureis activated, the unit
continues to flash the green light once a minute for approximately 8 hours.
After 8 hours, the low battery “chirp” will resume. The Alarm will continue
to operate as long as AC power is supplied. However, replace the batteries
as soon as possible, to maintain protection in event of a power outage.
To silence Alarms in an interconnected series:
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.
LATCHING FEATURE
Alarm Latch is activated after an Alarm is exposed to alarm levels of smoke.
This featurewill only work with AC power.After smoke levels drop below alarm
levels, the Red LED will begin flashing
2seconds on, 2 seconds off unless
reset by test/silence button.
This featurehelps emergency responders, investigators, or service
technicians identify which unit(s) in your home were exposed to alarm levels
of smoke. This can help investigators pinpoint the source of smoke.
Interconnected Alarms. Latching Alarm Indicator shows which Alarm(s) in the
series were exposed to alarm levels of smoke.
The Latching Alarm Indicator
stays ON until you clear it, so it can alert you to an alarm that occurred while
you were away from home, even though smoke present in the air has dropped
below alarm levels.
Low Battery Latch is activated when the Alarm is in the "low battery
condition". When this occurs, the Green LED flashes 2 seconds on, 2
seconds off. This feature is designed to help you identify which Alarm needs
to have the battery replaced. Although, the Alarm will sound the low battery
chirp approximately once every minute, sometimes during the initial stages
of "low battery", the Alarm will chirp in greater intervals than one minute,
sometimes up to several hours, until the battery reaches a steady low battery
level. This innovative featureeliminates the frustration of waiting for and/or
identifying which unit is chirping.
“SMART INTERCONNECT” FEATURE
This Alarm includes "Smart Interconnect" which enables the Alarm to be
interconnected with other First Alert®and BRK Smoke, Heat, and "Smart
Interconnect" Smoke, Smoke/CO and 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.
Model 3120B
Printed in Mexico
M08-0224-000 Q11/10
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.
INTRODUCTION
Thank you for choosing First Alert®for your Smoke Alarm needs. You have
purchased a state of the art Smoke Alarm designed to provide you with an
early warning of a fire. Please take the time to read this manual and make
this Smoke Alarm an integral part of your family’s safety plan.
Key Features of the 3120B Photo & Ion Combo Smoke Alarm:
Photo & Ion Smoke Sensors: Dual photoelectric and ionization smoke
sensing technologies for optimal sensing of smoke particles produced in
both flaming and smoldering fires.
Optipath 360 TechnologyTM:Patented technology provides 360˚ of direct
access to the smoke sensor.
Two Silence Features: Low Battery Silence temporarily silences low
battery chirp for up to eight hours before replacing low battery.
Alarm Silence silences an unwanted alarm for several minutes.
Two Latching Features: Alarm Latch remembers which unit initiated an
alarm. Low Battery Latch visually identifies which unit is in low battery
condition.
Perfect Mount: Mounting bracket keeps alarm secure over a wide rotation
range to allow for perfect alignment.
Battery back-up: Keeps alarm functioning during a power interruption
provided batteries are fresh and installed properly.
©2010 BRK Brands, Inc. All rights reserved. Distributed by BRK Brands, Inc.
3901 Liberty Street Road, Aurora, IL 60504-8122
Consumer Affairs: (800) 323-9005
www.firstalert.com • www.brkelectronics.com
FIRE SAFETY TIPS
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’toverload 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.
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 fireextinguisher 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.
BEFORE YOU INSTALL THIS SMOKE ALARM
IMPORTANT! Read “Recommended Locations for Smoke Alarms” and
“Locations to Avoid for Smoke Alarms” beforebeginning. 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 whereall residents can hear it, as described in this
manual. This unit will not sense gas, heat, or flame. It cannot prevent or
extinguish fires.
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.
Know Where To Install Your Smoke Alarms
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.
Know What Smoke Alarms Can and Can’t Do
ASmoke 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.
Check Your Local Building Codes
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.
5 6 7 1 2 3
All First Alert®and BRK®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.
USER’S MANUAL
SMOKE ALARMS
ELECTRICAL SHOCK HAZARD. Turn off the power to the area where the
Smoke Alarm is installed beforeremoving it from the mounting bracket.
Failure to turn off the power first may result in serious electrical shock,
injury or death.
•This unit will not alert hearing impaired residents. It is recom-
mended 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 NFPA70 (NEC), NFPA 72,
NFPA101; 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.
•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.
•Connect this unit ONLYto 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.
The Mounting Bracket:
To remove the mounting bracket from the Smoke
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.
The Power Connector:
The power connector plugs into a power input block on
the Smoke Alarm. It supplies the unit with AC power.
•The black wire is “hot.”
•The white wire is neutral.
•The orange wire is used for interconnect.
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.
"
#
$
&
'
%
The Parts of This Unit
1 Mounting Bracket
2Mounting Slots
3Locking Pins (break out of bracket)
4 Hot (Black) AC Wire
5Neutral (White) AC Wire
6 Interconnect (Orange) Wire
7 Quick-Connect Power Connector
8 Turn this way to remove from bracket
9Turn this way to attach to bracket
10 Slide-Out Battery Drawer
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.
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.
1. Remove the mounting bracket from the base, and attach it to the
junction box.
Activate the battery back-up by removing the “Pull to Activate Battery
Back-Up” tab. Or, install battery back-up. Battery back-up cannot work
until you install the battery in the correct position (Match “+” to “+” and
“-” to “-”).
Push and hold Test button until the alarm sounds: 3 beeps, pause,
3beeps, pause. LED flashes once every second.
2. Using wire nuts, connect the power connector to the household wiring.
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.
5. Check all connections.
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.
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. Continued...
8. Continued
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.
Special Requirements For Interconnected Smoke Alarms
•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.
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:
During an Alarm:
On Initiating Alarm(s) Red LED(s) flashes (flash) rapidly
On All Other Alarms Red LED is Off
After an Alarm (Latching):
On Initiating Alarm(s) Red LED(s) flash 3 times, spaced one second apart.
The pattern repeats approximately every 45 seconds.
On All Other Alarms Green LED(s) On, Red LED(s) Off
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 aremet. This unit is designed to be compatible
with: First Alert®Smoke Alarm Models SA4120, SA4121B, SA100B, SA520
and BRK®Smoke Alarm Models 3120B, 9120, 9120B, SC6120B, SC9120B,
7010, 7010B, 7010BSL, 7020B, SC7010B, SC7010BV, 100S, 4120, 4120B,
4120SB; BRK®CO Alarm Models CO5120BN, CO5120PDBN; BRK®Heat
Alarm Models HD6135F and HD6135FB; BRK®Auxiliary Devices Models
RM3 and RM4 (Relay Modules), SL177 (Strobe Light).
See www.brkelectronics.com for most current interconnect list.
Interconnected units must meet ALL of the following requirements:
• A maximum of 18 compatible units may be interconnected
(Maximum of 12 Smoke Alarms).
•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). This type of wire is commonly available at
Hardware and Electrical Supply stores.
•
All wiring must conform to all local electrical codes and NFPA 70 (NEC).
Refer to NFPA72, NFPA101, and/or your local building code for further
connection requirements.
HOW TO INSTALL THIS SMOKE ALARM
THE PARTS OF THIS SMOKE ALARM
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 or utility knife •Standard Flathead screwdriver.
FOLLOW THESE INSTALLATION STEPS
STAND-ALONE ALARM ONLY:
• 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.
INTERCONNECTED UNITS ONLY:
Strip off about 1/2” (12 mm) of the plastic coating on the orange wire
on the power connector.
•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.
•
Connect the orange wireon the power connector to the interconnect
wirein the junction box. Repeat for each unit you areinterconnecting.
Never connect the hot or neutral wires in the junction box to the orange
interconnect wire. Never cross hot and neutral wires between Alarms.
STAND-ALONE ALARM ONLY:
•If you are only installing one Smoke Alarm, restore power to the
junction box.
INTERCONNECTED UNITS ONLY:
•If you areinterconnecting multiple Smoke Alarms, repeat steps
1-5 for each Smoke Alarm in the series. When you are finished,
restore power to the junction box.
#
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*
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A. Unswitched 120VAC
60 Hz source
B. To additional units; Maximum = 18 total
(Maximum 12 Smoke Alarms)
1. Smoke Alarm
2. Ceiling or Wall
3. Power Connector
4. Wire Nut
5. Junction Box
6. Neutral Wire (Wht)
7. Interconnect Wire
(Orange)
8. Hot Wire (Blk)
4
OPTIONAL LOCKING FEATURES
The locking features are designed to discourage unauthorized removal of the batteries 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.
Tools you will need: •Needle-nose pliers or utility knife • Standard Flathead screwdriver.
Both locking features use locking pins, which are molded into the mounting bracket. Using needle-nose pliers or a utility knife, remove
one or both pins from the mounting bracket, depending on how many locking features you want to use.
To permanently remove either lock, insert a flathead screwdriver between the locking pin and the lock, and pry the pin out of the lock.
TO LOCK THE BATTERY COMPARTMENT
Do not lock the battery compartment until you have installed the
batteries and tested the battery back-up.
1. Push and hold Test button until the alarm sounds: 3 beeps, pause,
3beeps, pause. LED flashes once every second.
If the unit does not alarm during testing, DO NOT lock the battery
compartment! Install new batteries and test again. If the Smoke
Alarm still does not alarm, replace it immediately.
2. Using needle-nose pliers or a utility knife, detach one locking pin
from the mounting bracket.
3. Push the locking pin through the hole near the battery drawer on the
back of the Smoke Alarm.
TO UNLOCK THE BATTERY COMPARTMENT
Once the Smoke Alarm is installed, you must disconnect it from the AC power
beforeunlocking the battery compartment.
ELECTRICAL SHOCK HAZARD. Turnoffthe power to the area wherethe
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.
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 batteries from Smoke Alarms with battery back-up.
Finally,press and hold the Test/Silence 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.)
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.
When replacing the batteries, always test the Smoke Alarm before relocking
the battery compartment.
TO UNLOCK 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.
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 batteries from Smoke Alarms with battery back-up.
Finally, press and hold the Test/Silence button for 5-10 seconds to
discharge the branch circuit.
1. Insert a flathead screwdriver between the
mounting bracket pin and the mounting bracket.
2. Pry the Smoke Alarm away from the bracket by
turning both the screwdriver and the Smoke
Alarm counterclockwise (left) at the same time.
TO LOCK THE MOUNTING BRACKET
1. Using needle-nose pliers, detach one locking pin from mounting bracket.
2. Insert the locking pin into the lock located
opposite from the battery drawer as shown
in the diagram.
3. When you attach the Smoke Alarm to the mounting bracket, the locking
pin’s head will fit into a notch on the bracket.
Locking Features (Continued)
Printed in Mexico M08-0224-000 Q11/10
First Alert®is a registered trademark of the First Alert Trust.
BRK®is a registered trademark of BRK Brands, Inc.
WEEKLY TESTING
• 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 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.
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 hornstarts 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 Alarm.
Press and hold the Test/Silence 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 surethe 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. LED flashes once every second.
When testing a series of interconnected units you must test each unit
individually. Make sure all units alarm when each one is tested.
REGULAR MAINTENANCE
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.
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 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.
•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.
• 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.
UNDERSTANDING THE INDICATOR LIGHTS
AND ALARM HORN PATTERNS
NOTE: When power is applied, unit(s) may alarm momentarily.
*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.
Latching Alarm Red LED flashing 2
seconds on,
2seconds off
Not available
AC Power
DC Power
Normal Operation Constant Green LED
No Audible Alarm
Flashing Green LED
once/minute
No Audible Alarm
Test Condition Rapidly Flashing
Red LED
Audible Alarm
Rapidly Flashing
Red LED
Audible Alarm
Silence Mode Rapidly Flashing
Red LED
Audible Alarm Off
Rapidly Flashing
Red LED
Audible Alarm Off
Alarm Condition*
(Initiating Unit)
Rapidly Flashing
Red LED
Audible Alarm
Rapidly Flashing
Red LED
Audible Alarm
Alarm Condition*
(Remote Units)
Constant Green LED
Audible Alarm
Green LED Off
Audible Alarm
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.
•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.
•If the unit alarms get everyone out of the house immediately.
•
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.
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.
If the unit alarms, get everyone out of the dwelling immediately.
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.
WHAT TO DO IN CASE OF FIRE
•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.
Ifadoor 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 "Limitations of Smoke Alarms" for
details.
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 fresh batteries, 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.
• 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.
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 batteries from Smoke Alarms with battery back-up.
Finally, press and hold the test button for 5-10 seconds to discharge the
branch circuit.
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.
Do not try fixing the alarm yourself – this will void your warranty!
LIMITED WARRANTY
BRK Brands, Inc., ("BRK") the maker of First Alert®brand and BRK®brand
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.
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.
RECOMMENDED LOCATIONS FOR
SMOKE ALARMS
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. 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 (4.4˚ 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 inter-
connected for added protection.
INSTALLING SMOKE ALARMS IN MOBILE HOMES & RVS
For minimum security install one Smoke 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 Alarms
should be installed where temperatures normally remain between 40˚ F (4.4˚ C)
and 100˚ F (37.8˚ C).
WARNING: Test units used in RVs after the vehicle has been in storage,
before every trip, and once a week while in use. Failure to test units
used in RVs as described may remove your protection.
LIMITATIONS OF SMOKE ALARMS
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 arenot foolproof.
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
grandparents. Allow children to master fireescape 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 firedrill while family members aresleeping in
order to determine 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.
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 offfor 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.
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.
Smoke Alarms may not detect fireon 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.
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.
Smoke Alarms may not have time to alarm beforethe fireitself 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.
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 ensureyour continued protection. Smoke Alarms cannot
prevent or extinguish fires. They are not a substitute for property or life
insurance.
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.
USING THE SILENCE FEATURE
The Silence Featurecan temporarily quiet an unwanted alarm for up to 15
minutes.
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.
To silence Smoke Alarms in an interconnected series:
1. To silence multiple alarms in an interconnected series, you must press the
Test/Silence button on the unit(s) that triggered the alarm.
2. Once you activate the Silence feature, the Red LED will flash approximately
once every 10 seconds.
3. Pressing the Test/Silence button when in silence will restart the silence
timer.
The Silence Feature on these units can temporarily quiet an unwanted alarm for
up to 15 minutes. Touse 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.
Model 3120B
with Battery Back-Up and Silence
AC Powered
Photo & Ion Smoke Alarm
Input: 120V AC ~,60Hz, 0.07A
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.
Low Battery Alarm “chirp’’ approx.
once/minute
Alarm “chirp’’ approx.
once/minute
Low Battery Latch Green LED flashing 2
seconds on,
2seconds off
Not available
LISTED TO
UL 217
STANDARD
AGENCY PLACEMENT RECOMMENDATIONS
NFPA 72 (National Fire Code) Chapter 11
“For your information, the National Fire Protection Association's Standard 72,
reads as follows:”
“11.5.1 One- and Two-Family Dwelling Units.”
“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.”
“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, unfinished attics, or garages
is not normally recommended, as these locations occasionally experience
conditions that can result in improper operation.”
California State Fire Marshal (CSFM)
Early warning detection is best achieved by the installation of firedetection
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.
LOCATIONS TO AVOID FOR SMOKE ALARMS
For best performance, AVOID installing Smoke Alarms in these 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 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 areintended 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.
• In air streams near kitchens. Air currents can draw cooking smoke into
the sensing chamber of a Smoke Alarm near the kitchen.
• 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.
• Where the temperatures are regularly below 40˚ F (4.4˚ C) or above
100˚ F (37.8˚ C) including unheated buildings, outdoor rooms, porches,
or unfinished attics or basements.
• 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.
• 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.
•In insect infested areas. Insects can clog openings to the sensing chamber
and cause unwanted alarms.
•Less than 12 inches (305 mm) away from fluorescent lights. Electrical
“noise” can interferewith the sensor.
•In “dead air” spaces. “Dead air” spaces may prevent smoke from reaching
the Smoke Alarm.
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.
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.
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.
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.
SPECIAL COMPLIANCE CONSIDERATIONS
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
asuitable 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.
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.”
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.
2. Multi-Family or Mixed Occupant Residence:
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.
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.
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.
ABOUT SMOKE ALARMS
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. They do not,
however, provide interconnected functionality.
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.
Wireless Interconnected Alarms: Offer the same interconnected functionality
as with hardwired alarms, without wires. Units are easy to install and do not
require professional installation. They provide protection even when electricity
fails, provided the batteries are fresh and correctly installed.
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.
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. Continued...
ABOUT SMOKE ALARMS, Continued
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 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.
2
1
Choosing a replacement battery:
Your Smoke/CO Alarm requires two “AA” Energizer E91 batteries.
These batteries are available at many local retail stores.
Actual battery service life depends on the Alarm and the environment in which
it is installed. All the batteries specified above areacceptable 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.
AB
SILENCING THE LOW BATTERY WARNING
This Silence Featurecan temporarily quiet the low battery warning “chirp” for
up to 8 hours. Press the Test/Silence button on the Alarm cover until you hear
the acknowledge “chirp”.
Once the low battery warning “chirp” silence featureis activated, the unit
continues to flash the green light once a minute for approximately 8 hours.
After 8 hours, the low battery “chirp” will resume. The Alarm will continue
to operate as long as AC power is supplied. However, replace the batteries
as soon as possible, to maintain protection in event of a power outage.
To silence Alarms in an interconnected series:
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.
LATCHING FEATURE
Alarm Latch is activated after an Alarm is exposed to alarm levels of smoke.
This featurewill only work with AC power.After smoke levels drop below alarm
levels, the Red LED will begin flashing
2seconds on, 2 seconds off unless
reset by test/silence button.
This featurehelps emergency responders, investigators, or service
technicians identify which unit(s) in your home were exposed to alarm levels
of smoke. This can help investigators pinpoint the source of smoke.
Interconnected Alarms. Latching Alarm Indicator shows which Alarm(s) in the
series were exposed to alarm levels of smoke.
The Latching Alarm Indicator
stays ON until you clear it, so it can alert you to an alarm that occurred while
you were away from home, even though smoke present in the air has dropped
below alarm levels.
Low Battery Latch is activated when the Alarm is in the "low battery
condition". When this occurs, the Green LED flashes 2 seconds on, 2
seconds off. This feature is designed to help you identify which Alarm needs
to have the battery replaced. Although, the Alarm will sound the low battery
chirp approximately once every minute, sometimes during the initial stages
of "low battery", the Alarm will chirp in greater intervals than one minute,
sometimes up to several hours, until the battery reaches a steady low battery
level. This innovative featureeliminates the frustration of waiting for and/or
identifying which unit is chirping.
“SMART INTERCONNECT” FEATURE
This Alarm includes "Smart Interconnect" which enables the Alarm to be
interconnected with other First Alert®and BRK Smoke, Heat, and "Smart
Interconnect" Smoke, Smoke/CO and 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.
© 2019 BRK Brands, Inc. All rights reserved. Distributed by BRK Brands, Inc. BRK Brands, Inc. is
a subsidiary of Newell Brands Inc. (NASDAQ: NWL) 3901 Liberty Street, Aurora, IL 60504-8122
Customer Service Team: (800) 323-9005 • www.firstalert.com • www.brkelectronics.com
06/19
•
Printed in Mexico
•
M08-0206-008_WEB
Printed in Mexico
M08-0206-008_WEB 6/19
1

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