BRK electronic 4120B Manual de usuario

•

AC Powered Ionization Smoke Alarm

with Battery Back-Up and

Silence Feature

Cat. 4120SB

Input: 120V AC, 60Hz, 0.5A

AC Powered Ionization Smoke Alarm

with Battery Back-up

Cat. 4120B

Input: 120V AC, 60Hz, 0.5A

Model

4120B

4120SB M06-2016-007 06/00

User’s Manual

Smoke Alarms

Ionization smoke alarms are generally more effective at detecting 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 smoke alarms are generally more effective at detecting smoldering ﬁres which 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 of your home.

INSIDE THIS MANUAL

Where To Install Smoke Alarms . . . . . . . . .1

Where Not To Install Smoke Alarms . . . . . .3

Important! Read Before You Install

This Smoke Alarm . . . . . . . . . . . . . . . . . . .5

Understanding the Indicator Lights

and Alarm Horn Patterns. . . . . . . . . . . . . . . . 6

Optional Locking Features . . . . . . . . . . . . .7

How To Install This Smoke Alarm . . . . . . .10

Installing a Single (Stand Alone)

Smoke Alarm. . . . . . . . . . . . . . . . . . . . . . . . 11

Interconnecting Multiple Smoke Alarms . . . 12

Testing and Maintenance . . . . . . . . . . . . .14

If This Smoke Alarm Sounds. . . . . . . . . . .15

Using The Silence Feature

(Cat. 4120SB Only) . . . . . . . . . . . . . . . . . .16

Protecting Your Family From Fire . . . . . . .17

What To Do In Case Of Fire. . . . . . . . . . . .18

If Your Smoke Alarm Needs Service . . . . .18

Troubleshooting . . . . . . . . . . . . . . . . . . . .19

Special Compliance Considerations . . . . .20

Limitations Of Smoke Alarms . . . . . . . . . .21

10-Year Limited Warranty. . . . BACK COVER

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.

Other Features of 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.

AC powered smoke alarms:

Can be interconnected so if

one unit senses smoke, all units alarm. They do not operate if

electricity fails. Units must be installed by a qualiﬁed

electrician.

AC/DC powered smoke alarms: (AC with battery back-

up):

Can be interconnected so if one unit senses smoke, all

units alarm. They will operate if electricity fails, provided the

batteries are fresh and correctly installed. Units must be

installed by a qualiﬁed electrician.

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. They do not operate if

electricity fails. Units must be installed by a qualiﬁed

electrician.

BRK Electronics

Cat. 100S is an AC powered

unit that has an 85 decibel alarm and a 177 candela strobe

light, which ﬂashes rapidly when the unit is in alarm.

All these units 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 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.

Where To Install Smoke Alarms

Installing Smoke Alarms in Single-Family And Multi-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 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˚C) and 100˚F (38˚C). Make

sure no door or other obstruction could keep smoke from reaching the smoke alarms

BEDROOM

BEDROOM HALL

LIVING ROOM KITCHEN

FINISHED BASEMENT

REQUIRED TO MEET

NFPA RECOMMENDATIONS

RECOMMENDED FOR

ADDITIONAL PROTECTION

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

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

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.

IMPORTANT!

Speciﬁc requirements for smoke alarm installation

vary from state to state and from region to region.

Check with your local Building Inspector and/or Fire

Department for current requirements in your area.

If you install AC or AC/DC units, it is recommended

(and may be required) they be interconnected for

added protection.

Installing Smoke Alarms in Mobile Homes

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˚C) and 100˚F (38˚C)

IMPORTANT!

This equipment should be installed in accordance

with the National Fire Protection Association’s

Standard 72.

National Fire Protection Association,

One Batterymarch Park, Quincy, MA 02269-9101.

Additional local building and regulatory codes

may apply in your area. Always check

compliance requirements before beginning any

installation.

Smoke Alarms Recommended In Hotels, Motels,

Hospitals, Extended Care Facilities

Agency Placement Recommendations

NFPA Standard 72 Section 2-2.1.1.1

2-2.1.1.1 Smoke alarms shall be installed outside of

each separate sleeping area in the immediate vicinity of

the bedrooms and on each additional story of the

family living unit, including basements and excluding

crawl spaces and unﬁnished attics. In new construction

a smoke alarm shall also be installed in each sleeping

room. Chapter 2 also reads as follows: 2-2.2.1: In new

construction, where more than one smoke alarm is

required by 2-2.1, alarms shall be so arranged that

operation of any one alarm shall cause the operation of

all alarms within the dwelling. A-2.5.2.1 Smoke

Detection-Are More Smoke Alarms Desirable? The

required number of smoke alarms might not provide

RECOMMENDED STAND-ALONE

(NON-INTERCONNECTED)SMOKE ALARMS

HALLWAY

INDIVIDUAL ROOMS

LOBBY

Install stand-alone (non-interconnected)

AC powered smoke alarms with battery back-up

for maximum protection in each sleeping room.

reliable early warning protection for those areas separated

by a door from the areas protected by the required smoke

alarms. For this reason, it is recommended that the

householder consider the use of additional smoke alarms

for those areas for increased protection. The additional

areas include the basement, bedrooms, dining room,

furnace room, utility room, and hallways not protected by

the required smoke alarms. The installation of smoke

alarms in kitchens, attics (ﬁnished or unﬁnished), or

garages is not normally recommended, as these locations

occasionally experience conditions that can result in

improper operation.

California State Fire Marshall

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.

Where Not To Install Smoke Alarms

For best performance, do not install the unit:

• 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. 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, sau-

nas, dishwashers, etc.

• Where the temperatures are regularly below 40˚

F (4˚C) or above 100˚ F (38˚ C) including

unheated buildings, outdoor rooms, porches, or

unﬁnished attics or basements.

• 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 open-

ings to the sensing chamber and cause

unwanted alarms.

• Less than 12 inches (305 mm) away from ﬂuo-

rescent 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.

FOR STANDARD, FLAT CEILINGS

FOR PEAKED CEILINGS

(i.e. Cathedral ceilings, A-frames)

Best Location

(center of ceiling)

Acceptable

Location

Dead Air Spaces

(4" or 102 mm)

Do not install top of

smoke alarm lower than

12" (305 mm) from the

wall/ceiling line

FOR SLOPED CEILINGS

(i.e. great rooms, condominiums, dormers)

3 ft

Install first

smoke alarm

in this target area

If required,

install additional

smoke alarms

along the slope.

3 ft

Install first

smoke alarm

in this target area

If required,

install additional

smoke alarms

along the slope.

(0.9m)

Important! Read Before You Install This Smoke Alarm

Read “Where To Install Smoke Alarms” and “Where Not

To Install 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. DANGER!

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.

WARNING!

This unit will not alert hearing impaired residents. It

is recommended that you install special units which

use devices like ﬂashing strobe lights to alert hearing

impaired residents.

WARNING!

Installation of this unit must conform to the electrical

codes in your area; Article 760 of the National

Electrical Code (NFPA 70), NFPA 72, 101; SBC (SBCCI);

UBC (ICBO); NBC (BOCA); OTFDC (CABO), and any

other local or building codes that may apply. Wiring

and installation must be performed by a licensed

electrician. Failure to follow these guidelines may

result in injury or property damage.

WARNING!

This unit must be powered by a 24-hour, 120VAC 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

WARNING!

This 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 the battery is weak,

protection should last for up to 7 days.) If AC power

fails and the battery is dead or missing, the alarm

cannot operate.

WARNING!

It is possible an electrical ﬁre could occur on the

circuit powering this unit. If this happened, the power

to the unit could be cut off and it may fail to alarm.

Some safety experts recommend wiring warning

devices like this unit on separate circuits from other

appliances, since these circuits are not as likely to be

overloaded. Other safety experts recommend wiring

these units on the same circuits as appliances so it is

more readily apparent if the circuit fails. Whichever

circuit you choose, it is recommended you also install

battery powered units as back-ups in case of ﬁre on

the circuit powering the AC powered units.

WARNING!

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 automatically

when it returns to normal operation. Never remove the

batteries from a battery operated unit to stop an

unwanted alarm (caused by cooking smoke, etc.).

Instead open a window or fan the smoke away from

the unit. The alarm will reset automatically.

CAUTION!

Connect this unit ONLY to other compatible units.

See “How To Install and Interconnect 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.

CAUTION!

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. When testing the unit, step back when the

horn starts sounding.

CAUTION!

Do not paint over the unit. Paint may clog the

openings to the sensing chamber and prevent the

unit from operating properly.

CAUTION!

The battery door will not close unless a battery is

installed. This warns you the unit will not operate

under DC power without a battery.

Understanding The Indicator Lights and Alarm Horn Patterns

Normal Operation Test Condition Alarm Condition*

(Initiating Unit)

AC Power Constant Green LED

Flashing Red LED

No Audible Alarm

Constant Green LED

Rapidly Flashing Red LED

Audible Alarm

Constant Green LED

Rapidly Flashing Red LED

Audible Alarm

DC Power Green LED Off

Flashing Red LED

No Audible Alarm

Green LED Off

Rapidly Flashing LED

Audible Alarm

Green LED Off

Rapidly Flashing LED

Audible Alarm

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.

Important Installation Parts

The Mounting Bracket

: To

remove the mounting

bracket from the smoke

alarm base, hold the smoke

alarm base ﬁrmly and twist

the mounting bracket off.

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, 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.

Optional Locking Features

The optional locking features are designed to

prevent unauthorized removal of the battery or

alarm. It is not necessary to activate the locks in

single-family households where unauthorized

battery or alarm removal is not a concern.

These smoke alarms have two separate locking

features: one to lock the battery compartment, and

the other to lock the smoke alarm to the mounting

bracket. You can choose to use either feature

independently, or use them both.

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.

IMPORTANT!

To permanently remove either lock insert a

ﬂathead screwdriver between the locking pin and

the lock, and pry the pin out of the lock.

Locking Pin

To Lock The Battery Compartment

IMPORTANT!

Do not lock the battery compartment until you have

activated the battery and tested the battery back-up.

1. Activate the battery

back-up by removing

the “Pull to Activate

Battery Back-Up” tab.

2. Push and hold test

button until the alarm

sounds: 3 beeps,

pause, 3 beeps, pause.

If the unit does not alarm during testing, DO NOT

lock the battery compartment! Install a new battery

and test again. If the smoke alarm still does not

alarm, replace it immediately.

3. Using needle-nose pliers

or a utility knife, detach

one locking pin from the

mounting bracket.

4. Push the locking pin

through the black dot on the label on the back of

the smoke alarm.

To Un-Lock The Battery Compartment

IMPORTANT!

Once the smoke alarm is installed, you must

disconnect it from the AC power before unlocking the

battery compartment.

DANGER!

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.

WARNING!

Always discharge the branch circuit before servicing

an AC or AC/DC smoke alarm. First, turn off the AC

power at the circuit breaker or fuse box. Next, remove

the battery from smoke alarms with battery back-up.

Finally, press and hold the test button for 5-10

seconds to discharge the branch circuit.

1. Remove the smoke alarm from the mounting

bracket. If the unit is locked to the bracket, see

the section “To deactivate the locking feature.”

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.)

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