1. Киришүү
This manual provides essential information for the proper installation, operation, and maintenance of your First Alert BRK SC-9120B Hardwired Combination Smoke and Carbon Monoxide Alarm. This device is designed to detect both smoke and carbon monoxide, providing early warning of potential dangers. Please read these instructions thoroughly before installation and retain this manual for future reference.
2. Коопсуздук маалыматы
- Маанилүү: This alarm requires a continuous 120V AC power supply and a 9V battery for backup.
- Сигнализацияны боёбоңуз. Боёк сенсордук камераларды бүтөп, түзүлүштүн туура иштешине тоскоол болушу мүмкүн.
- Ойготкучтун туура иштешин камсыз кылуу үчүн жума сайын сынап көрүңүз.
- Ойготкучту эч качан этибарга албаңыз. Анын себебин дароо иликтеңиз.
- Proper placement is crucial for effective detection. Refer to local codes and NFPA 72 (National Fire Alarm and Signaling Code) for guidance.
3. Өзгөчөлүктөрү
- Dual Sensor Technology: Ionization sensor for smoke detection and electrochemical sensor for carbon monoxide (CO) detection.
- Батареянын камдык көчүрмөсү менен жабдылган: Connects to your home's electrical system with a 9-volt battery for continuous operation during power outages.
- Өз ара байланыш: Can be linked with other compatible BRK or First Alert hardwired alarms for synchronized alarming throughout your residence.
- Кулпуланган сигнализациянын индикатору: Identifies the initiating alarm unit even after the alarm condition has subsided.
- Жалгыз сыноо/унчукпоо баскычы: Allows for easy testing of the alarm's functions and silencing of nuisance alarms.
- Индикатор жарыктары: Provide visual cues for power, smoke, and carbon monoxide alarm status.
- Оңой орнотуу: Features universal mounting brackets and tamper-resistant locking brackets.
4. Пакеттин мазмуну
- First Alert BRK SC-9120B Combination Smoke and Carbon Monoxide Alarm Unit(s)
- Кронштейн орнотуу
- Электр зымдары
- User Manual
5. Орнотуу жана орнотуу
5.1 Алдын ала орнотуу
- Энергияга талаптар: Ensure a 120V AC, 60 Hz power source is available.
- Жайгашкан жери: Install alarms on every level of your home, inside each bedroom, and outside each sleeping area. Avoid placing near vents, windows, or in dead air spaces.
- Өз ара байланыш: If installing multiple units, ensure all are compatible for interconnectivity.
5.2 Монтаждоо жана зымдар
- Электр кубатын өчүрүү: Before beginning installation, turn off the power to the circuit at the main service panel.
- Монтаждык кронштейнди тиркөө: Secure the universal mounting bracket to the electrical box using the provided screws.
- Зымдарды туташтыруу: Connect the alarm's wiring harness to your home's electrical wiring (black to black, white to white, red to red for interconnectivity). Ensure all connections are secure.
- Батареяны орнотуу: Insert a fresh 9-volt battery into the battery compartment. Ensure correct polarity.
- Сигнализация блогун тиркөө: Align the alarm unit with the mounting bracket and twist clockwise until it locks into place. The tamper-resistant locking brackets can be engaged if desired.
- Күчтү калыбына келтирүү: Turn the power back on at the main service panel.
5.3 Баштапкы сыноо
After installation and restoring power, press and hold the Test/Silence button for a few seconds until the alarm sounds. This confirms the unit is receiving power and the alarm mechanism is functional. If the alarm chirps for approximately 5 minutes after installation, press the test button to reset and synchronize the unit.

Image: First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide Alarm. This image shows the front view of the alarm unit, typically white or off-white, with a central test/silence button and indicator lights.
6. Иштөө нускамалары
6.1 Нормалдуу иштөө
Under normal conditions, the power indicator light (usually green) will glow continuously, indicating that the unit is receiving AC power. The alarm will remain silent unless smoke or carbon monoxide is detected, or the test button is pressed.
6.2 Ойготкуч шарттары
- Түтүн сигнализациясы: The alarm will sound a loud, continuous horn pattern (three beeps, pause, three beeps). The smoke indicator light (usually red) will flash rapidly.
- Көмүртек кычкылы (CO) сигнализациясы: The alarm will sound a distinct four-beep pattern, pause, then repeat. The CO indicator light (usually red) will flash rapidly.
- Өз ара байланышкан ойготкучтар: If interconnected, all compatible alarms will sound when one detects a hazard. The initiating unit's indicator light will flash, while others will remain steady.
6.3 Тынчтык функциясы
To silence a nuisance alarm (e.g., from cooking smoke), press the Test/Silence button. The alarm will temporarily silence for several minutes. If the smoke or CO concentration is still present after the silence period, the alarm will reactivate.
6.4 Ойготкучту сыноо
Test your alarm weekly by pressing and holding the Test/Silence button until the alarm sounds. This verifies the electronic circuitry, horn, and battery are working. The alarm should emit both smoke and CO alarm patterns during the test.
7. Техникалык тейлөө
7.1 Үзгүлтүксүз тазалоо
Clean your alarm at least once a month. Use a soft brush or vacuum cleaner attachment to remove dust and debris from the alarm's vents and openings. Do not use cleaning solvents or spray directly onto the unit.
7.2 Батареяны алмаштыруу
The 9-volt backup battery should be replaced at least once a year, or immediately when the alarm emits a regular 'chirp' sound (approximately once per minute), indicating a low battery. To replace the battery, twist the alarm counter-clockwise to remove it from the mounting bracket, open the battery compartment, replace the old battery with a new 9-volt battery, and reattach the unit.
7.3 Жашоонун акыры
Smoke and carbon monoxide alarms have a limited lifespan. This unit should be replaced approximately 7-10 years after its manufacture date. Refer to the date printed on the back of the alarm for replacement information.
8. Кыйынчылыктарды
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Alarm chirps once every minute | Батареянын камдык көчүрмөсү аз | 9 вольттук батареяны алмаштырыңыз. |
| Alarm sounds intermittently or falsely | Dust/debris, high humidity, cooking fumes, improper placement | Clean the alarm. Relocate if consistently triggered by non-hazardous sources. Use silence feature for nuisance alarms. |
| Сыноо учурунда сигнал угулбайт | No AC power, dead battery, faulty unit | Check circuit breaker. Replace battery. If still no sound, replace the unit. |
| Alarm chirps after installation | Unit needs to synchronize/reset | Press the Test/Silence button to reset the unit. |
Эгер көйгөйдү чечүү кадамдары маселени чечпесе, кардарларды колдоо кызматына кайрылыңыз.
9. Техникалык шарттар
- Модел: SC-9120B
- Кубат булагы: 120V AC, 60 Hz with 9V Battery Backup
- Сенсор түрү: Ionization (Smoke), Electrochemical (Carbon Monoxide)
- Элемент Салмагы: Approximately 2.97 pounds (for 4 units)
- Пакеттин өлчөмдөрү: Approximately 10.24 x 6.85 x 6.14 inches (for 4 units)
- UPC: 716123256193
10. Кепилдик жана колдоо
First Alert products are designed for reliability and performance. For specific warranty details, please refer to the documentation included with your purchase or visit the official First Alert website. If you require technical assistance or have questions regarding your SC-9120B alarm, please contact First Alert customer support.
Байланыш маалыматы: Refer to the First Alert official webКардарларды колдоо кызматынын эң акыркы байланыш маалыматтары үчүн сайттын же продуктунун таңгагынын маалыматын караңыз.





