BRK electronic 3120B Architectural and Engineering Spec, Installation of Alarm, Technical Specs

Models: 3120B

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CAT.3120B

TOP VIEW

 

 

SIDE VIEW

MOUNTING

 

 

BRACKET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.0"

2.0"

ARCHITECTURAL AND ENGINEERING SPEC

The smoke alarm shall be a BRK Model 3120B and shall provide at a minimum the following features and functions:

1.Two smoke sensing chambers - photoelectric and ionization.

2.Powered by 120V AC, 60Hz and have a monitored battery backup and a solid state piezo horn rated at 85dB at 10 ft. and shall be capable of self restoring.

3.A visual power-on indicator to confirm unit is receiving AC power or has switched to battery backup mode.

4.Two Latching features: Alarm Latch to easily identify initiating alarm after alarm

condition has subsided. Low battery latch: to visually identify which unit is in low

battery condition. Two Silence Features: Alarm Silence to temporarily silence nuisance alarms. Low Battery Silence to silence low battery chirp for up to 8 hours.

5.Two Locking features - tamper resistant locking pins that lock battery drawer and/or alarm to mounting bracket.

6.The unit shall be capable of operating between 40°F (4°C) and 100°F (38°C) and relative humidity between 10% and 95%.

7.The unit shall have a plug in connector and be capable of interconnection of up to 18 alarms, 12 of which can be smoke alarms.

8.The unit shall have a gasketless base for easy installation and be capable of keeping alarm secure over a wide rotation range to allow for true alarm alignment.

9.The unit shall at a minimum meet the requirements of UL217, CSFM, NFPA 72 and the ICC.

INSTALLATION OF ALARM

Installation of this smoke alarm must conform to all local electrical

 

B

 

}

 

codes and Article 760 of the National Electrical Code (NFPA 70)

678

 

and NFPA 72. Interconnected units must meet the following

 

 

 

 

requirements: wire gauge to be per local codes. It is

 

 

 

 

recommended that all units be on the same fuse or circuit

 

 

 

 

 

 

 

 

breaker. If local codes do not permit, be sure the neutral wire is

 

 

 

 

 

 

 

 

common to both phases.

 

 

 

 

 

 

 

 

THE PARTS OF THIS SMOKE ALARM

 

 

 

1

 

2

2

1.

Mounting bracket

5 4

3

1

 

 

 

 

 

 

 

 

 

2.

Mounting Slots

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.

Locking Pins

 

 

 

 

 

 

 

4.

Hot (Black) AC Wire

 

 

 

 

3

6

 

5.

Nuetral (White) AC Wire

 

 

 

 

 

 

6.

Interconnect (Orange) Wire

 

 

 

 

 

5

 

 

 

 

 

 

 

7.

Pull-out Battery Drawer

 

 

 

4

 

 

 

8.

Quick-Connect Plug

 

 

 

 

 

 

 

 

}

5 4

3 2

1

 

 

 

 

 

A

7

 

 

 

 

A. Unswitched 120VAC 60 Hz source

 

 

 

 

B. To additional units; Maximum = 18 total

 

 

 

 

 

(Maximum 12 Smoke Alarms)

 

 

1.

Smoke Alarm

5.

Electrical Box

 

2.

Ceiling or Wall

6.

Neutral Wire (White)

8

3.

Power Connector

7.

Interconnect Wire (Orange)

4.

Wire Nut

8.

Hot Wire (Black)

TECHNICAL SPECS

Alarm Dimensions:

5.0” dia x 2.0”H

Weight:

9.5 oz

Operating Voltage:

120V AC 60Hz with two 1.5V AA battery backup

 

 

Operating Current:

0.07 amps (standby/alarm)

 

 

Temperature Range:

40°F (4°C) to 100°F (38°C)

Humidity Range:

10% to 95% relative humidity (RH)

Audio Alarm:

85dB at 10 feet

Test/Silence:

Electronically simulates smoke condition, causing the unit

 

to alarm. Press and hold test/silence button

 

 

Alarm Reset:

Automatic when smoke clears

 

 

Interconnections:

Up to 18 units of First Alert or BRK Smoke, CO and

 

Heat Alarms. Maximum of 12 smoke alarms. See

 

user’s manual for details.

Smoke Sensors:

Photoelectric and Ionization

 

 

Indicator Lights/Sounds:

 

AC Power:

Constant Green LED

DC Power:

Intermittent Green LED

Local Alarm:

Red LED flashes rapidly

Remote Alarm:

Red LED off

Alarm Latch:

LED flashes red 2 sec on, 2 sec off after local alarm stops

Low Battery Latch:

LED flashes green 2 sec on, 2 sec off

 

 

Listing:

Listed to UL217 Standard

SHIPPING SPECS:

Individual Carton Dimensions

 

 

 

 

5.13"L x 2.38"W x 5.13"H

 

Weight

 

 

 

 

0.73 lbs.

 

Cube

 

 

 

 

0.04 ft3

 

UPC

0 29054 00710 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Master Carton Dimensions

 

 

 

 

10.75"L x 7.88"W x 11.06"H

 

Master Pack

12

 

 

 

 

Weight

 

 

 

 

9.3 lbs.

 

Cube:

 

 

 

 

0.54 ft3

 

I2of5:

200 29054 00710 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pallet Information

 

 

 

 

 

 

 

 

 

 

Cases per Layer

22

 

 

 

 

Number of Layers:

4

 

 

 

 

 

Cases per Pallet:

88

 

 

 

 

Units per pallet:

1,056

 

 

 

Cube:

 

 

 

 

54.0 ft3

 

Weight:

 

 

 

 

879 lbs.

 

BATTERY DRAWER LOCK

 

Remove Pin from

 

 

 

 

Close Door. Insert Pin in Holes

 

Mounting Bracket

 

 

 

 

through alarm and Battery Drawer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

©2011 BRK Brands, Inc. a Jarden Corporation

Company (NYSE: JAH)

3901 Liberty Street Road Aurora, IL 60504-8122 All rights reserved

 

First Alert is a registered trademark of the First Alert Trust

brkelectronics.com

BRK is a registered trademark of BRK Brands, Inc.

 

CM3037

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BRK electronic 3120B manual Architectural and Engineering Spec, Installation of Alarm, Technical Specs, Shipping Specs

3120B specifications

The BRK electronic 3120B is a sophisticated smoke and carbon monoxide detector designed to enhance safety in residential and commercial settings. This device exemplifies cutting-edge technology and user-friendly features, making it a reliable choice for fire and gas detection.

One of the standout features of the BRK 3120B is its ability to detect both smoke and carbon monoxide, two of the most dangerous hazards in enclosed spaces. The combination of these detection capabilities ensures comprehensive protection for users, addressing multiple safety concerns using a single device.

The smoke detection mechanism in the 3120B utilizes an advanced photoelectric sensor. This technology is known for its ability to respond effectively to slow, smoldering fires, which often produce dense smoke before bursting into flames. Traditional ionization detectors may be less effective in such scenarios, but the BRK 3120B's photoelectric sensor offers a higher level of responsiveness, thereby potentially saving lives.

In addition to smoke detection, the 3120B features a high-performance electrochemical sensor for carbon monoxide detection. This sensor is designed for accuracy, ensuring that even low levels of carbon monoxide are detected early. Given that carbon monoxide is an odorless and colorless gas, early detection is crucial for preventing intoxication and protecting occupants.

Another notable characteristic of the BRK electronic 3120B is its interconnected feature. When multiple detectors are used in a network, activation of one unit due to smoke or carbon monoxide detection triggers all connected alarms, providing an immediate alert throughout the entire area. This interconnectedness significantly enhances safety, particularly in larger homes or buildings.

The unit is also equipped with a user-friendly interface, including a single button for test and silence functions. Regular testing of the detector is essential for maintaining safety, and the simplicity of the 3120B makes it easier for users to ensure functionality.

Additionally, it comes with a battery backup, ensuring that the device remains operational even during power outages. The LED indicator light provides clear alerts for status checks, offering peace of mind to users.

Overall, the BRK electronic 3120B is a top-tier smoke and carbon monoxide detector that integrates advanced detection technologies with user-friendly features. Its dual detection capabilities, reliable interconnectivity, and ease of use make it an essential part of any comprehensive safety plan.