1. Sarrera
Thank you for choosing the First Alert BRK CO511 Wireless Interconnected Carbon Monoxide Alarm. This device is designed to detect elevated carbon monoxide (CO) levels and provide an audible and voice warning. Its wireless interconnection capability allows it to communicate with other compatible First Alert wireless alarms, creating a unified safety network throughout your home. The voice alarm feature includes programmable location announcements for clear identification of the hazard area.
2. Segurtasun informazio garrantzitsua
WARNING: Carbon Monoxide (CO) is a colorless, odorless, and tasteless gas that can be fatal. This detector is designed to alert you to the presence of carbon monoxide. It is not a substitute for proper maintenance of fuel-burning appliances, including ventilation systems, nor is it a substitute for a smoke alarm.
Please read this entire user manual carefully before installation and operation. Keep this manual in a safe place for future reference. If you are installing this alarm for use by others, you must leave this manual or a copy of it with the end user.
3. Produktuaren ezaugarriak
- Bateriez funtzionatzen duena: Provides easy installation without the need for electrical wiring.
- Haririk gabeko interkonexioa: Connects with compatible First Alert wireless alarms to create a comprehensive safety network.
- Voice Alarm with Programmable Location: Clearly announces the type of danger and its location.
- Advanced Electrochemical CO Sensor: Detects carbon monoxide from various sources.
- Botoi bakarreko funtzionamendua: Used for testing the alarm and silencing false alarms.
- Lotura bi ezaugarri: Provides visual indication of a previous alarm event.
- Bi isiltasuna ezaugarri: Alarma gogaikarriak aldi baterako isilaraztea ahalbidetzen du.
4. Paketearen edukia
Paketea irekitzean, egiaztatu osagai guztiak daudela:
- First Alert BRK CO511 Carbon Monoxide Detector Unit
- Euskarria muntatzea
- Muntatzeko hardwarea (torlojuak eta aingurak)
- 2 AA bateria
- Erabiltzailearen eskuliburua
- Instalazio azkarraren gida

Image: Contents of the First Alert CO511 package, including the detector, mounting hardware, and batteries.
5. Instalazioa
Proper placement and installation are crucial for the effective operation of your carbon monoxide detector.
5.1 Gomendatutako Kokapena
Install carbon monoxide alarms on every level of your home and in every bedroom. Consider placing additional alarms in living areas, hallways, and basements, especially near fuel-burning appliances.

Image: Recommended placement of CO alarms throughout a home.
5.2 Muntatzeko urratsak
- Instalatu bateriak: Open the battery compartment and insert the two AA batteries, ensuring correct polarity.
- Aukeratu kokapena: Choose a suitable location on a wall or ceiling, away from direct sunlight, vents, or areas with high humidity.
- Muntatzeko euskarria: Use the provided screws and anchors to securely attach the mounting bracket to the chosen surface.
- Detektagailua erantsi: Align the detector with the mounting bracket and twist clockwise until it locks into place.
- Proba Unitatea: Press and hold the Test/Silence button to ensure the alarm sounds.


Images: Front and back views of the CO511 detector, illustrating its design for mounting.
6. Wireless Interconnection
The CO511 detector features wireless interconnection technology, allowing it to communicate with other compatible First Alert wireless alarms. When one interconnected alarm detects CO, all other interconnected alarms will sound, providing early warning throughout your home.
6.1 Linking Alarms
Refer to the detailed instructions in the full user manual for specific steps on wirelessly linking multiple CO511 units or other compatible First Alert wireless alarms. This typically involves a simple pairing process using the test button on each unit.
7. Funtzionamendu-argibideak
7.1 Alarma probatzea
Eduki sakatuta Proba/Isiltasuna button on the front of the alarm for a few seconds. The alarm should sound a loud siren and announce "Carbon Monoxide! Evacuate!" or similar. Test your alarm weekly to ensure proper function.
7.2 Alarma isilaraztea
If the alarm sounds due to a known, non-emergency condition (e.g., temporary CO from a gas stove), you can press the Proba/Isiltasuna button to temporarily silence it. The alarm will reset after a few minutes if the CO levels return to normal. If CO levels remain high, the alarm will reactivate.
7.3 Voice and Location Feature
When CO is detected, the alarm will not only sound a siren but also provide a clear voice message, such as "WARNING! Carbon Monoxide! Evacuate!" If programmed, it will also announce the location of the alarm (e.g., "Basement").
7.4 Zer egin alarma jotzen duenean
- Immediately move to fresh air outdoors or open doors/windows.
- Call your emergency services (e.g., 911) or the fire department.
- Do not re-enter the premises until it has been cleared by emergency responders and the CO source has been identified and corrected.
8. Mantentzea
Regular maintenance ensures the continued reliability of your carbon monoxide detector.
8.1 Ohiko probak
Test your CO alarm weekly by pressing the Proba/Isiltasuna button. This confirms the unit's electronics and battery are functioning.

Image: A person testing a CO alarm.
8.2 Bateria ordezkatzea
The CO511 operates on two AA batteries. When the batteries are low, the unit will chirp periodically and/or indicate a low battery warning. Replace batteries immediately with fresh AA alkaline batteries. The average battery life is approximately 8760 hours (1 year).
8.3 Unitatea garbitzea
Clean your CO alarm regularly to prevent dust and debris buildup, which can affect its performance. Use a soft, damp cloth to wipe the exterior. Do not use cleaning solvents or spray directly onto the unit.
8.4 Alarm Replacement
Carbon monoxide alarms have a limited lifespan. Replace your CO511 alarm at least every 10 years from the date of manufacture. Refer to the date printed on the back of the unit.

Image: A person replacing a CO alarm.
9. Arazoak
If your CO alarm is not functioning as expected, review the following common issues. For detailed troubleshooting, consult the full user manual.
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Alarma aldizka txiokatzen da | Bateria baxua | Ordeztu bateriak AA bateria alkalino berriekin. |
| Alarma jotzen du CO iturri ikusgairik gabe | Nuisance alarm, high humidity, or dust buildup | Press silence button. Clean the unit. Relocate if nuisance alarms persist. |
| Alarmak ez du jotzen proban zehar | Dead batteries, unit malfunction | Replace batteries. If still not working, replace the unit. |
| Wireless interconnection not working | Alarms not properly linked, interference | Re-link alarms according to manual. Check for sources of interference. |
10. Zehaztapenak
| Ezaugarri | Xehetasuna |
|---|---|
| Marka | Lehen alerta |
| Modelo zenbakia | CO511B |
| Energia iturria | Bateriaz elikatzen da (2 AA bateria barne) |
| Sentsore mota | elektrokimikoa |
| Alarma mota | Audible, Voice with Location |
| Kolorea | Zuria |
| Produktuaren neurriak | 2.38" L x 5.13" W x 5.13" H |
| Elementuaren pisua | 10.4 ontza |
| Bateriaren batez besteko iraupena | 8760 Hours (approximately 1 year) |
| UPC | 029054002914 |
11. Bermea eta Laguntza
11.1 Bermearen informazioa
This First Alert BRK CO511 Carbon Monoxide Alarm comes with a manufacturer's warranty. Please refer to the warranty description provided in the original packaging or contact First Alert customer support for specific details regarding coverage and duration.
11.2 Bezeroarentzako laguntza
For technical assistance, troubleshooting, or warranty claims, please contact First Alert customer support. Contact information can typically be found on the First Alert webgunean edo erabiltzailearen eskuliburu osoan.