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USER’S MANUAL

Printed in Mexico 

M08-0511-156396   

J1

   01/17

© 2017 BRK Brands, Inc. All rights reserved. Distributed by BRK Brands, Inc. 

BRK Brands, Inc. is a subsidiary of Newell Brands Inc. (NYSE:NWL) • First 

Alert

®

 is registered trademark of The First Alert Trust • 3901 Liberty Street, 

Aurora, IL 60504-8122 • Consumer Affairs: (800) 323-9005 •  

www.firstalert.com • www.brkelectronics.com

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 early warning of a fire. Please take the time to read this manual 

and make the Smoke Alarm an integral part of your family’s safety plan.

Key Features of the 0827 Smoke Alarm:

Tamper Resistant Lithium Battery Pack:

 Provides continuous power for 

up to 10 years. Battery Pack cannot be removed and is not replaceable.

Single Test/Silence Button:

 Allows you to test the Alarm or silence  

nuisance alarms. Testing the Alarm assures you that the unit is functioning 

correctly and ready to protect you and your family. The Alarm can be 

silenced for up to 10 minutes in the event of a nuisance alarm.

End of Life warning:

 The Alarm will sound a “chirp” once per minute when 

the Alarm reaches the end of its service life and needs to be replaced.

Blinking Power Indicator:

 Confirms that the Smoke Alarm is receiving power.

 

 

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’t overload electrical 

circuits; 5) Keep stoves, barbecue grills, fireplaces and chimneys grease- 

and debris-free; 6) Never leave anything cooking on the stove unattended; 

7) Keep portable heaters and open flames, like candles, away from flamma-

ble materials; 8) Don’t let rubbish accumulate.

Keep alarms clean, and test them weekly. Replace alarms immediately if they 

are not working properly. Smoke Alarms that do not work cannot alert you to 

a fire. Keep at least one working fire extinguisher on every floor, and an addi-

tional 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” before beginning. This  

unit monitors the air, and when smoke reaches its sensing chamber,  

it alarms. It can give you more time to escape before fire spreads.  

This unit can ONLY give an early warning of developing fires if it is 

installed, maintained and located where smoke can reach it, and where all 

residents can hear it, as described in this manual. This unit will not sense 

gas, heat, or flame. It cannot prevent or extinguish fires.

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 sep-

arate 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

A Smoke Alarm can help alert you to fire, giving you precious time to escape. 

It can only sound an alarm once smoke reaches the sensor. See “Limitations 

of Smoke Alarms” for details.

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.

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”.

 

DO NOT stand close to the Alarm when the horn is sounding. 

Exposure at close range may be harmful to your hearing. When  

testing, step away when horn starts sounding.

It is important to test this unit every week to make sure it is working 

properly. 

Using the test button is the recommended way to test this 

Smoke Alarm. Press and hold the test button on the cover of the unit 

until the alarm sounds (the unit may continue to alarm for a few seconds 

after you release the button). 

During testing you will hear a loud, 

repeating horn pattern: 3 beeps, pause, 3 beeps, pause. Red LED 

flashes.

HOW TO INSTALL THIS SMOKE ALARM

THE PARTS OF THIS SMOKE ALARM

FOLLOW THESE SIMPLE STEPS!

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. Red LED flashes.

•  If the unit alarms get everyone out of the house immediately.

•  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.

•  Use the Silence feature to stop an unwanted alarm (caused by 

cooking smoke, etc.), then open a window or fan the smoke 

away from the unit. The Smoke Alarm will reset 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.  

If a door is cool, open it slowly. Don’t open a hot door. Keep doors  

and windows closed, unless you must escape through them.

•  Cover your nose and mouth with a cloth (preferably damp).  

Take short, shallow breaths.

•  Meet at your planned meeting place outside your home,  

and do a head count to make sure everybody got out safely.

•  Call the Fire Department as soon as possible from outside.  

Give your address, then your name.

•  Never go back inside a burning building for any reason.
•  Contact your Fire Department for ideas on making your home safer.

 

Alarms have various limitations. See “Limitations of Smoke Alarms” 

for details.

INSTALL THE MOUNTING BRACKET:

1.  Place the bracket on the wall or ceiling 

where you want to mount the alarm.

2.  Hold the mounting bracket against the 

ceiling (or wall) and trace around the 

inside of the two keyhole slots.

3.  Make a mark inside each outline for 

the drill holes.

4.  Put the unit where it won’t get covered 

with dust when you drill the mounting holes.

5.  Using a 3/16-inch (5 mm) drill bit, drill a hole 

through each  

pencil mark.

6.  Insert the plastic screw anchors (in the plastic bag 

with screws) into the holes. Tap the screw anchors 

gently with a hammer, if  

necessary, until they are flush with the ceiling or 

wall.

7.  Line the mounting bracket up over the plastic screw 

anchors.

8.  Screw the mounting bracket to the ceiling or wall 

through the mounting slots using the two screws 

provided.

9.  Tighten both screws all the way.

USING THE SILENCE FEATURE

The Silence Feature can temporarily quiet an unwanted alarm for up  

to 10 minutes. To use this feature, press the “Test/Silence” button.  

The Alarm remains functional. The LED will flash every 10 seconds  

(for up to 10 minutes) to remind you the alarm has been silenced.  

The flashing LED will stop when the unit returns to normal operation.

 

The Silence Feature does not disable the unit—it makes it tempo-

rarily less sensitive to smoke. For your safety, if smoke around the 

unit is dense enough to suggest a potentially dangerous  

situation, it 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.

All First Alert

®

 Smoke Alarms conform to regulatory requirements, 

including UL217 and are designed to detect particles of combustion. 

Smoke particles of varying number and size are produced in all fires.

Ionization technology is generally more sensitive than photoelectric 

technology at detecting small particles, which tend to be produced 

in greater amounts by flaming fires, which consume combustible 

materials rapidly and spread quickly. Sources of these fires may include 

paper burning in a wastebasket, or a grease fire in the kitchen.

Photoelectric technology is generally more sensitive than ionization 

technology at detecting large particles, which tend to be produced 

in greater amounts by smoldering fires, which may smolder for 

hours before bursting into flame. Sources of these fires may include 

cigarettes burning in couches or bedding.

For maximum protection, use both types of Smoke Alarms on each 

level and in every bedroom of your home.

•  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 the hearing impaired residents.

•  Do not connect this unit to any other alarm or auxiliary device.  

It is a single-station unit that cannot be linked to other devices. 

Connecting anything else to this unit may prevent it from working 

properly.

•  This Smoke Alarm cannot detect smoke until you activate it. You 

must activate the unit for it to receive power from the  

battery pack. Failure to activate the unit will prevent the alarm  

from providing any warning of smoke or fire.

•  The battery pack in this unit cannot be replaced—once it reach-

es the end of its service life, you must install a new Smoke 

Alarm. You must deactivate the unit before disposing of it.

•  Do not install this unit over an electrical junction box. Air currents 

around junction boxes can prevent smoke from reaching the 

sensing chamber and prevent the unit from alarming. Only AC 

powered units are intended for installation over junction boxes.

•  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 chamber and prevent the unit from operating properly.

1

2

3

REGULAR MAINTENANCE

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. A can of clean compressed air (sold at computer 

or office supply stores) may also be used. Follow manufacturer 

instructions for use. Test the Smoke 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 pack becomes weak, the Smoke Alarm unit will 

“chirp” about once a minute (the End of Life warning). This End of 

Life warning should last for 7 days, but you should replace the Smoke 

Alarm  

immediately to continue your protection.

1

2

1. Test/Silence button
2. Power/alarm indicator LED

1. Mounting bracket
2. Mounting slots
3. Activation Tab
4. Deactivation Tab (located under label)
5. Turn to attach to bracket
6 Turn this way to remove from bracket

ACTIVATING THE ALARM:

 

The alarm must be activated before 

attaching the Smoke Alarm to the 

bracket.

1.  Turn alarm upside down and pull out 

activation tab as shown in diagram. If 
you have trouble activating  the unit, call consumer affairs at 
1-800-323-9005. 

2.  Test the Smoke Alarm. Press and hold the test button on the 

cover of the unit until the alarm sounds (the unit may continue 
to alarm for a few seconds after you release the button).  

During testing, you will hear a loud, repeating horn pattern:  

3 beeps, pause, 3 beeps, pause.

 If the unit does not alarm  

during testing, call Consumer Affairs for assistance.

ATTACH SMOKE ALARM TO MOUNTING BRACKET

1.  Push the unit toward the bracket, and turn it clockwise until you feel it snap into place.
2.  Test the unit again. Press the test button until the horn begins sounding. 

During 

testing, you will hear a loud, repeating horn pattern: 3 beeps, pause, 3 beeps, 

pause.

TO PERMANENTLY DEACTIVATE THE SMOKE ALARM

 

Alarm is sealed. The battery pack is not replaceable. Once it reaches 

the end of its service life, or after 10 years—whichever comes first—

you must install a new Smoke Alarm.

After 10 years or after the End of Life warning sounds (whichever 

comes first):

1.  Once you deactivate this unit, it will not detect smoke or alarm.  

It cannot be reactivated. You must install a new unit to continue  

your protection. Alarm will resist mounting to the bracket after  

deactivation.

2.  Use a flathead screwdriver to score  

label along dotted line.

3.  Use thumb to pull deactivation tab  

outward until tab snaps into place.  

This will discharge the battery pack and 

deactivate the unit.

4.  Install a new Smoke Alarm immediately!

TOOLS YOU WILL NEED:

This unit is designed to be mounted on the ceiling,  

or on the wall if necessary.

 

• Pencil 

 

•  Drill with 3/16” (5 mm)  

drill bit 

 

•  Standard flathead  

screwdriver

 

• Hammer

LIMITED WARRANTY

BRK Brands, Inc., (“BRK”) the maker of First Alert

®

 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 instruc-

tions, 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 or tornadoes.
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 retail-

er. In order to obtain warranty service, contact the Consumer Affairs 

Division at 1-800-323-9005. To assist us in serving you, please have the 

model number and date of purchase available when calling.

Address: 

BRK Brands, Inc., 1301 Joe Battle, El Paso, TX 79936

Visit 

www.firstalert.com

 for more information.

This Smoke Alarm is designed to operate for 10 years, and is backed  

by a 10-year limited warranty. The battery pack in this Smoke Alarm is 

non-removable or non-replaceable. When it reaches the end of its service 

life, you must replace the entire Smoke Alarm to continue your protection.

IF YOU SUSPECT A PROBLEM

Smoke Alarms may not operate properly because of a dead or weak  

battery pack, 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 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 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 no longer sounds during testing, replace the Smoke 

Alarm! If the Smoke Alarm was properly activated, and had pre-

viously alarmed during testing, the battery pack is at the end of 

its service life. (See “Regular Maintenance.”)

•  If the alarm will not silence when you use the Silence feature,  

DO NOT IGNORE THE ALARM! This indicates a potentially  

dangerous situation.

•  If the Smoke Alarm “chirps” about once a minute (for more  

than 30 minutes), Replace the Smoke Alarm! (See “Regular 

Maintenance.”) This is the End of Life warning.

DO NOT TRY FIXING THE ALARM YOURSELF—THIS WILL VOID YOUR WARRANTY!

If the Smoke Alarm is still not operating properly, and it is still under  

warranty, please see “How to Obtain Warranty Service” in the Limited 

Warranty below.

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 bed-

room. In new construction, the Smoke Alarms must be AC powered 

and interconnected. See “Agency Placement Recommendations” for 

details. For additional coverage, it is recommended that you install a 

Smoke Alarm in all rooms, halls, storage areas, finished attics, and 

basements, where temperatures normally remain between 40˚ F (4.4˚ C) 

and 100˚ F (37.8˚ C). Make sure no door or other obstruction could keep 

smoke from reaching the Smoke Alarms.

More specifically, install Smoke Alarms:

•  On every level of your home, including finished attics and basements.
•  Inside every bedroom, especially if people sleep with the door partly 

or completely closed.

•  In the hall near every sleeping area. If your home has multiple 

sleeping areas, install a unit in each. If a hall is over 40 feet (12 

meters) long, install an alarm at each end.

•  At the top of the first-to-second floor stairway, and at bottom of 

basement stairway.

 

Specific requirements for Smoke Alarm installation vary from state to 

state and from region to region. Check with your local Fire Department 

for current requirements in your area. 

It is recommended AC or AC/DC 

units be interconnected for added protection.

AGENCY PLACEMENT RECOMMENDATIONS

NFPA 72 Chapter 29

“For your information, the 

National Fire Alarm and Signaling Code

NFPA 72, reads as follows:”

29.5.1* Required Detection.

29.5.1.1*

 Where required by other governing laws, codes, or standards 

for a specific type of occupancy, approved single and multiple-station 

smoke alarms shall be installed as follows:
(1)*In all sleeping rooms and guest rooms
(2)* Outside of each separate dwelling unit sleeping area, within 21 ft 

(6.4 m) of any door to a sleeping room, with the distance measured 

along a path of travel

(3) On every level of a dwelling unit, including basements
(4)  On every level of a residential board and care occupancy (small  

facility), including basements and excluding crawl spaces and  

unfinished attics

(5)*In the living area(s) of a guest suite
(6)  In the living area(s) of a residential board and care occupancy  

(small facility)

(Reprinted with permission from NFPA 72

®

, National Fire Alarm and 

Signaling Code Copyright © 2010 National Fire Protection Association, 

Quincy, MA 02269. This reprinted material is not the complete and  

official position of the National Fire Protection Association, on the  

referenced subject which is represented only by the standard in its 

entirety), (National Fire Alarm and Signaling Code

®

 and NFPA 72

®

 are 

registered trademarks of the National Fire Protection Association, Inc., 

Quincy, MA 02269).

California State Fire Marshal (CSFM)

Early warning detection is best achieved by the installation of fire 

detection equipment in all rooms and areas of the household as follows: 

A Smoke Alarm installed in each separate sleeping area (in the vicinity, 

but outside bedrooms), and Heat or Smoke Alarms in the living rooms, 

dining rooms, bedrooms, kitchens, hallways, finished attics, furnace 

rooms, closets, utility and storage rooms, basements, and attached 

garages.

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 ventilat-

ed kitchens, garages, and furnace rooms. Keep units at least 20 feet  

(6 meters) from the sources of combustion particles (stove, furnace, 

water heater, space heater) if possible. In areas where a 20-foot  

(6 m) distance is not possible – in modular, mobile, or smaller 

homes, for example – it is recommended the Smoke Alarm be 

placed as far from these fuel-burning sources as possible. The 

placement recommendations are intended to keep these Alarms at 

a reasonable distance from a fuel-burning source, and thus reduce 

“unwanted” alarms. Unwanted alarms can occur if a Smoke Alarm 

is placed directly next to a fuel-burning source. Ventilate these 

areas as much as possible.

•  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 the  

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 interfere with 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 is suitable for use in apartments, condominiums, 

townhouses, hospitals, day care facilities, health care facilities, boarding 

houses, group homes and dormitories provided a primary fire detection 

system already exists to meet fire detection requirements in common 

areas like lobbies, hallways, or porches. Using this Smoke Alarm in 

common areas may not provide sufficient warning to all residents or 

meet local fire protection ordinances/regulations.
This Smoke Alarm alone is not a suitable substitute for complete fire 

detection systems in places housing many people—like apartment 

buildings, condominiums, hotels, motels, dormitories, hospitals, health 

care facilities, nursing homes, day care facilities, or group homes of 

any kind. It is not a suitable substitute for complete fire detection 

systems in warehouses, industrial facilities, commercial buildings, and 

special-purpose non-residential buildings which require special fire 

detection and alarm systems. Depending on the building codes in your 

area, this Smoke Alarm may be used to provide additional protection in 

these facilities.
In new construction, most building codes require the use of AC or AC/

DC powered Smoke Alarms only. In existing construction, AC, AC/DC, 

or DC powered Smoke Alarms can be used as specified by local build-

ing codes. Refer to NFPA 72 (National Fire Alarm and Signaling Code) 

and NFPA 101 (Life Safety Code), local building codes, or consult your 

Fire Department for detailed fire protection requirements in buildings not 

defined as “households”.

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 them. They are not 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 fire escape planning and 

practice before holding a fire drill at night when they are sleeping.  

If children or others do not readily waken to the sound of the smoke 

alarm, or if there are infants or family members with mobility limitations, 

make sure that someone is assigned to assist them in fire drill and in 

the event of an emergency. It is recommended that you hold a fire drill 

while family members are sleeping in order to 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.

 DC operated units can-

not work if the battery pack is missing, deactivated, or dead, or if the 

battery pack was not activated correctly. AC units cannot work if the AC 

power is cut off for any reason (open fuse or circuit breaker, failure along 

a power line or at a power station, electrical fire that burns the electrical 

wires, etc.). If you are concerned about the limitations of DC 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 fire on another floor or area of the 

dwelling.

 For example, a stand-alone unit on the second floor may not 

detect smoke from a basement fire until the fire spreads. This may not 

give you enough time to escape safely. That is why recommended  

minimum protection is at least one unit in every sleeping area, and 

every bedroom on every level of your dwelling. Even with a unit on 

every floor, stand-alone units may not provide as much protection as 

interconnected units, especially if the fire starts in a remote area. Some 

safety experts recommend installing interconnected AC powered units 

with battery back-up (see “About Smoke Alarms”) or professional 

fire detection systems, so if one unit senses smoke, all units alarm. 

Interconnected units may provide earlier warning than stand-alone  

units since all units alarm when one detects smoke.

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 before the fire itself 

causes damage, injury, or death, since smoke from some fires may 

not reach the unit immediately. Examples of this include persons 

smoking in bed, children playing with matches, or fires caused by 

violent explosions resulting from escaping gas.
Smoke Alarms are not foolproof.

 Like any electronic device, Smoke 

Alarms are made of components that can wear out or fail at any time. 

You must test the unit weekly to ensure your continued protection. 

Smoke Alarms cannot prevent or extinguish fires. They are not a  

substitute for property or life insurance.

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.

First Alert

®

 is a registered trademark of the First Alert Trust.

5

6

ABOUT SMOKE ALARMS

Battery or DC operated Smoke Alarms: 

Provide protection even  

when electricity fails, provided the batteries or battery packs are fresh  

and correctly installed or activated. Units are easy to install, and do not 

require professional installation.

•  Always use the exact batteries specified by this User’s Manual.  

DO NOT use rechargeable batteries. Clean the battery contacts 

and also those of the device prior to battery installation. Install 

batteries correctly with regard to polarity (+ and -).

•  Please dispose of or recycle used batteries properly, following 

any local regulations. Consult your local waste management 

authority or recycling organization to find an electronics  

recycling facility in your area. DO NOT DISPOSE OF BATTERIES 

IN FIRE. BATTERIES MAY EXPLODE OR LEAK.

•  Keep battery out of reach of children. In the event a battery  

is swallowed, immediately contact your poison control center, 

your physician, or the National Battery Ingestion hotline at  

202-625-3333 as serious injury may occur.

AC powered Smoke Alarms: 

Can be interconnected so if one unit  

senses smoke, all units alarm. They do not operate if electricity fails.  

AC with battery (DC) back-up: 

will operate if electricity fails, provided 

the batteries are fresh and correctly installed. AC and AC/DC units 

must be installed by a qualified electrician.

Smoke 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.

Continued...

ABOUT SMOKE ALARMS, Continued

Smoke Alarms for the hearing impaired: 

Special purpose Smoke 

Alarms should be installed for the hearing impaired. They include a  

visual alarm and an audible alarm horn, and meet the requirements of  

the Americans With Disabilities Act. Can be interconnected so if one 

unit senses smoke, all units alarm.

Smoke alarms are not to be used with detector guards

 unless the  

combination has been evaluated and found suitable for that purpose.
All these Smoke Alarms are designed to provide early warning of fires if 

located, installed and cared for as described in the user’s manual, and if 

smoke reaches them. If you are unsure which type of unit to install, refer 

to Chapter 2 of the National Fire Protection Association (NFPA) Standard 

72 (National Fire Alarm and Signaling Code) and NFPA 101 (Life Safety 

Code). National Fire Protection Association, One Batterymarch Park, 

Quincy, MA 02269-9101. Local building codes may also require specific 

units in new construction or in different areas of the home.

BEDROOM

BEDROOM

HALL

LIVING ROOM

KITCHEN

FINISHED BASEMENT

REQUIRED TO MEET 

NFPA RECOMMENDATIONS
RECOMMENDED FOR 

ADDITIONAL PROTECTION

BEDROOM

BEDROOM

KITCHEN

LIVING ROOM

DINING ROOM

MULTI-STORY RESIDENCE

SINGLE-STORY RESIDENCE, APARTMENT, 

MOBILE HOME

KEY:

EXISTING HOMES

SMOKE ALARMS WITH SILENCE

FEATURES RECOMMENDED FOR 

ADDITIONAL PROTECTION

BEDROOM

BEDROOM

HALL

LIVING ROOM

KITCHEN

FINISHED BASEMENT

BEDROOM

BEDROOM

LIVING ROOM

DINING ROOM

MULTI-STORY RESIDENCE

SINGLE-STORY RESIDENCE, APARTMENT, 

MOBILE HOME

EXISTING HOMES

KITCHEN

REQUIRED TO 

MEET NFPA 

RECOMMENDATIONS

RECOMMENDED 

FOR ADDITIONAL 

PROTECTION

KEY:

SMOKE ALARMS WITH SILENCE

FEATURES RECOMMENDED FOR 

ADDITIONAL PROTECTION

INTERCONNECTED AC OR 

AC/DC SMOKE ALARMS

BEDROOM

BEDROOM

HALL

LIVING ROOM

KITCHEN

FINISHED BASEMENT

REQUIRED TO MEET 

NFPA RECOMMENDATIONS
RECOMMENDED FOR 

ADDITIONAL PROTECTION

BEDROOM

BEDROOM

LIVING ROOM

DINING ROOM

MULTI-STORY RESIDENCE

SINGLE-STORY RESIDENCE, APARTMENT, 

MOBILE HOME

KEY:

NEW CONSTRUCTION

SMOKE ALARMS WITH SILENCE

FEATURES RECOMMENDED FOR 

ADDITIONAL PROTECTION

KITCHEN

INTERCONNECTED

AC OR AC/DC 

SMOKE ALARMS

BEDROOM

BEDROOM

HALL

LIVING ROOM

KITCHEN

FINISHED BASEMENT

REQUIRED TO 

MEET NFPA 

RECOMMENDATIONS

RECOMMENDED 

FOR ADDITIONAL 

PROTECTION

BEDROOM

BEDROOM

LIVING ROOM

DINING ROOM

MULTI-STORY RESIDENCE

SINGLE-STORY RESIDENCE, APARTMENT, 

MOBILE HOME

KEY:

NEW CONSTRUCTION

SMOKE ALARMS 

WITH SILENCE

FEATURES

RECOMMENDED 

FOR ADDITIONAL 

PROTECTION

KITCHEN

Printed in Mexico   M08-0511-156396   

J1

   01/17

Replace Alarm 10 years after installation. Write the replacement 

date in the space provided on the Alarm label.
For your records, please record:

Date Purchased: _______________________________

Date Installed: ___________/____________Month/Year

Replacement Date: ___________/____________Month/Year

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.

Model 0827

CONFORMS TO

UL STD 217

TO UNLOCK THE MOUNTING BRACKET

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 locking pin into notch on base of alarm.

3.  Attach Smoke Alarm to mounting bracket.

Locking Pin

OPTIONAL LOCKING FEATURE

The locking feature is designed to discourage unauthorized removal of the Alarm. It is not necessary to activate the  

lock in single-family households where unauthorized Alarm removal is not a concern.

Tools you will need:

  • Needle-nose pliers or utility knife  • Standard Flathead screwdriver.

This locking feature uses locking pins, which are molded into the mounting bracket. Using needle nose pliers or a utility knife,  

remove one pin from the mounting bracket.

 

To permanently remove lock, insert a flathead screwdriver between the locking pin and the lock, and pry the pin out of the lock.

4

SMOKE ALARM WITH TEN-YEAR  

NON-REPLACEABLE LITHIUM BATTERY PACK 

AND END OF LIFE NOTIFICATION FEATURE

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