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1. Brk Electronics Model 4120b Beeping
2. Brk Smoke Alarm Model 4120b
3. Brk Electronics Model 4120b Manual

BRK Electronics ® model 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. Products and more at BRK electronic 4919 Smoke Alarm User Manual. Page 1 Model SC9120B. Download Brk electronics smoke detector 4120b manual alarms, smoke alarm My two most troublesome units BRK Electronics Model 4120B were both. For the discontinued BRK smoke alarm models 4120B, 4120SB, 4919 and 86RAC. Model: BRK-4919 When ordering this, you will. General Description. This accessory relay is designed to activate auxiliary devices such as bells, lights and door closers. The RM3 Relay is intended for use with BRK Electronics Models 4120SB, 4120B, 4120, 4919, 5919, 5919TH and First Alert Models SA4121B, SA4120 and SA4919B. Jul 05, 2012  I have an old BRK Electronics Model #1839N smoke detector that is chirping. I don't see where the battery is to replace it. It is harried into the electrical system of my house but not interconnected with my monitored alarm system. It's driving me crazy! How can I either replace the battery or just disconnect the alarm. This user’s manual contains important information about your Smoke Alarm’s operation. If you are installing the Smoke Alarm for use by others, you must leave this manual — or a copy of it — with the end user. The Mounting Bracket: The Parts of This Unit To remove the. Find the user manual you need for your home appliance products and more at ManualsOnline. 5 I have BRK Electronics mod. 4120B, hardwired smoke alarms (9). The battery is difficult to change, the doors get stuck and jam. 4 Model 4120B is a discontinued model number. Doesnt have to do anything with replacing batteries since the americium.

User’s Manual

RM3 ACCESSORY RELAY

120V AC, 60 Hz, .02 AMP

Interconnects smoke alarms and heat alarms with:

•Lights

•Sirens

•Exit Signals

•Escape Lights

General Description

This accessory relay is designed to activate auxiliary devices such as bells, lights and door closers. The RM3 Relay is intended for use with BRK Electronics Models 4120SB, 4120B, 4120, 4919, 5919, 5919TH and First Alert Models SA4121B, SA4120 and SA4919B. The relay contacts will activate whenever any interconnected Alarm sounds. The relay contacts will automatically deactivate when the alarms stop sounding. This relay must be installed in a junction box.

•Read and follow all instructions supplied with each Alarm and the RM3 Relay before installing and using the relay. Do not attempt to connect any auxiliary devices without using the RM3 Relay. Use the RM3 Relay only with compatible BRK Electronics, Inc. and First Alert Alarms.

•The RM3 Relay will not operate auxiliary devices without 120V AC power. The Smoke and Heat Alarms provide the interconnect signal to trigger the RM3 Relay – they do not supply any power to drive the auxiliary device.

AC Alarms and AC Alarms with battery backup can be interconnected. Under 120 V AC power all units will respond if at least one Smoke or Heat Alarm sounds. When AC power is interrupted, only the interconnected Alarms with battery backup will be capable of initiating an audible Alarm. Alarms with AC power only will not operate.

•NFPA guidelines allow a maximum of 18 compatible First Alert and BRK Electronics, Inc. Smoke Alarms, Heat Alarms and RM3 Relays to be interconnected. No more than 12 of the 18 devices shall be Smoke Alarms.

•The RM3 Relay should not be used to connect groups of alarms with a fire alarm control panel or to interconnect chains of alarms to each other since there will be no way of knowing which detector caused the alarm.

•Residential Smoke and Heat Alarms do not latch. If alarm levels of smoke or heat subside, the operation of the audible alarm signal and the auxiliary device connected to the RM3 will automatically cease.

•The RM3 Relay should only be installed where conditions normally remain between 40º F to 100º F and 10% to 90% relative humidity.

•Alarm and relay installation must conform to the electrical codes in your area and Article 760 of the U.S. National Electrical Code. Wiring should be performed only by a licensed electrician. This relay should be used only in a covered junction box with sufficient volume for proper installation. The circuit used to power the alarm and relay must be a 24-hour 120V AC pure sine wave, 60Hz circuit that is not controlled by a switch or a dimmer.

ELECTRICAL SHOCK HAZARD: TURN OFF POWER AT THE FUSE BOX OR CIRCUIT BREAKER TO THE AREA WHERE YOU WILL BE WORKING.

Installation

To install this relay to an alarm, connect the power wires as listed below. (If wiring the relay remote from the alarm, use a maximum of 1000 feet of #18AWG or larger wire rated at least 300V.)

Now connect the accessory to be activated by the relay to the relay’s switch contact wires as listed below. (Use wiring appropriate to the auxiliary device being controlled.) NOTE: Since voltage is present on all relay contact wires at some time during operation, the installer must properly insulate any unused relay contact wire.

CONTACT RATINGS (MAXIMUM):

After installation, test the interaction of the auxiliary device with the alarm by pressing the alarm test button.

5-Year Limited Warranty

BRK Brands, Inc., ('BRK') the maker of First Alert® brand products warrants that for a period of five 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.

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. 3920 Enterprise Court, Aurora, IL 60504-8132.

User’s manual, General use smoke alarm, Inside this manual

1

INSIDE THIS MANUAL

THIS USER’S MANUAL HAS BEEN RESIZED TO PRINT OUT ON 8-1/2 x 11” PAGES.

BLACK page numbers reference the original printed document.

RED page numbers reference this web version.

Other Features Of Smoke Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Special Compliance Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Limitations Of Smoke Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Where To Install Smoke Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Where Not To Install Smoke Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Protecting Your Family From Fire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
What To Do In Case Of Fire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Important! Read Before Installing This Smoke Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
How To Install This Smoke Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Weekly Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Regular Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
If This Smoke Alarm Goes Into Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
If This Smoke Alarm Is Not Working Properly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

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10-Year Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

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All Rights Reserved. ©1999 BRK Brands, Inc.
BRK Brands, Inc., 3901 Liberty Street Road, Aurora, IL 60504-8122
Consumer Affairs: (800) 323-9005

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

®

model 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.

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 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.

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. In existing construction, AC, AC/DC, or DC
powered smoke alarms can be used as specified by local building codes. Refer to NFPA 72 (National Fire Alarm Code)
or 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.

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 cannot work without power.

Battery operated units cannot work if the batteries are missing,

disconnected or dead, if the wrong type of batteries are used, or if the batteries are not installed correctly. AC units
cannot work if the AC power is cut off for any reason (open fuse or circuit breaker, failure along a power line or at a
power station, electrical fire that burns the electrical wires, etc.). If you are concerned about the limitations of battery or
AC power, install both types of units.

Smoke alarms cannot detect fires if the smoke does not reach them.

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 home.

For example, a stand-alone unit on the

Brk Electronics Model 4120b Beeping

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 home. 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 “Other Features Of 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.

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.

User’s Manual

General Use Smoke Alarm

Cat. 83R

M06-2039-005 8/99

Model

83R

Brk Smoke Alarm Model 4120b

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.

Brk Electronics Model 4120b Manual