Product Description
The BRK 9120B Smoke Detector with Battery Backup is a hardwired smoke alarm designed for residential and institutional use. Equipped with a dual ionization smoke sensing chamber and a 9V battery backup, this alarm provides reliable fire detection and uninterrupted operation during power outages. Its smart technology reduces nuisance alarms, making it an ideal choice for safety and peace of mind.
Key Features
- Dual ionization smoke sensing chamber for effective detection of small particles produced by flaming fires.
- 9V battery backup ensures continued operation during power outages.
- Latching alarm indicator remembers which unit initiated an alarm in interconnected systems.
- Single-button test/silence for easy operation and alarm testing.
- Interconnectable with up to 18 devices, including 12 smoke alarms.
- Quick-Connect wiring harness for simple and fast installation.
- Two locking features to prevent battery theft and unauthorized removal of the alarm.
- Complies with UL217, CSFM, NFPA 72, HUD, FHA, and other safety standards.
Specifications
- Application: Smoke alarm for residential and institutional use
- Power Source: 120V AC, 60Hz with 9V battery backup
- Audio Alarm: 85dB at 10 feet
- Operating Temperature: 40°F (4°C) to 100°F (38°C)
- Humidity Range: 10% to 90% relative humidity (non-condensing)
- Dimensions: 5.6” diameter x 2.0” height
- Interconnections: Supports up to 18 interconnected alarms (maximum 12 smoke alarms)
- Sensors: Dual chamber ionization
- Indicator Lights: Green LED for power-on, red LED for local alarm indication
Installation Tips
- Ensure compliance with local electrical codes and NFPA 72 for proper installation.
- Use the mounting bracket with keyhole slots for secure alignment and placement.
- Connect the alarm using the “Quick-Connect” wiring harness for simplified wiring.
- Install alarms on a dedicated circuit or shared neutral wire if local codes permit.
- Maintain a total wire length of less than 1,000 feet with #18 gauge wire or larger for interconnected units.
Frequently Asked Questions
Q: What is the main sensing technology in this smoke detector?
A: It uses a dual ionization smoke sensing chamber, which is effective for detecting small particles produced by flaming fires.
Q: Does this model include battery backup?
A: Yes, the 9120B includes a 9V battery backup for continued operation during power outages.
Q: How many alarms can I interconnect?
A: You can interconnect up to 18 compatible alarms, including a maximum of 12 smoke alarms.
Q: What certifications does this alarm meet?
A: It complies with UL217, CSFM, NFPA 72, HUD, FHA, and other applicable standards.
Q: Does the alarm have a silence feature?
A: Yes, it includes a single-button test/silence feature to mute nuisance alarms temporarily.
Q: Can this alarm be used in high-humidity environments?
A: Yes, it operates in humidity levels between 10% and 90% (non-condensing).
