1. Entwodiksyon
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. Enfòmasyon enpòtan sou sekirite
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. Pwodwi Features
- Opere ak pil: Provides easy installation without the need for electrical wiring.
- Entèkoneksyon san fil: Connects with compatible First Alert wireless alarms to create a comprehensive safety network.
- Voice Alarm with Programmable Location: Anonse klèman kalite danje a ak kote li ye a.
- Advanced Electrochemical CO Sensor: Detects carbon monoxide from various sources.
- Operasyon sèl bouton: Used for testing the alarm and silencing false alarms.
- De karakteristik Latching: Provides visual indication of a previous alarm event.
- De karakteristik silans: Allows temporary silencing of nuisance alarms.
4. Pake kontni
Lè w ap ouvri pake a, verifye si tout konpozan yo la:
- First Alert BRK CO511 Carbon Monoxide Detector Unit
- Mounting Bracket
- Materyèl pou monte (vis ak lank)
- 2 batri AA
- Manyèl itilizatè
- Gid Enstalasyon Rapid

Image: Contents of the First Alert CO511 package, including the detector, mounting hardware, and batteries.
5. Enstalasyon
Proper placement and installation are crucial for the effective operation of your carbon monoxide detector.
5.1 Plasman Rekòmande
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 Etap montaj
- Enstale pil: Open the battery compartment and insert the two AA batteries, ensuring correct polarity.
- Chwazi Kote: Choose a suitable location on a wall or ceiling, away from direct sunlight, vents, or areas with high humidity.
- Sipò pou monte: Use the provided screws and anchors to securely attach the mounting bracket to the chosen surface.
- Atache Detektè a: Align the detector with the mounting bracket and twist clockwise until it locks into place.
- Inite Tès: Press and hold the Test/Silence button to ensure the alarm sounds.


Imaj: Devan ak dèyè views of the CO511 detector, illustrating its design for mounting.
6. Entèkoneksyon san fil
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. Operasyon Enstriksyon
7.1 Tès Alam lan
Peze epi kenbe la Tès/Silans 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 Fè Alam lan Silansye
If the alarm sounds due to a known, non-emergency condition (e.g., temporary CO from a gas stove), you can press the Tès/Silans 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 Kisa pou w fè lè alam la sone
- 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. Antretyen
Regular maintenance ensures the continued reliability of your carbon monoxide detector.
8.1 Tès Regilye
Teste alam CO ou chak semèn lè w peze bouton an. Tès/Silans button. This confirms the unit's electronics and battery are functioning.

Image: A person testing a CO alarm.
8.2 Ranplasman batri
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 Netwaye inite a
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 Ranplasman Alam
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.
NAN. Depanaj
If your CO alarm is not functioning as expected, review the following common issues. For detailed troubleshooting, consult the full user manual.
| Pwoblèm | Kòz posib | Solisyon |
|---|---|---|
| Alam lan sonnen detanzantan | Batri ki ba | Ranplase pil yo ak nouvo pil alkalin AA. |
| Alarm sounds without visible CO source | Nuisance alarm, high humidity, or dust buildup | Press silence button. Clean the unit. Relocate if nuisance alarms persist. |
| Alam lan pa sonnen pandan tès la | 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. Espesifikasyon
| Karakteristik | Detay |
|---|---|
| Mak | Premye Alèt |
| Nimewo Modèl | CO511B |
| Sous pouvwa | Mache ak pil (2 pil AA enkli) |
| Kalite Capteur | Elektrochimik |
| Kalite Alam | Audible, Voice with Location |
| Koulè | Blan |
| Dimansyon pwodwi | 2.38"D x 5.13"W x 5.13"H |
| Pwa atik | 10.4 ons |
| Mwayèn lavi batri | 8760 Hours (approximately 1 year) |
| UPC | 029054002914 |
11. Garanti ak sipò
11.1 Enfòmasyon sou Garanti
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 Sipò pou Kliyan
For technical assistance, troubleshooting, or warranty claims, please contact First Alert customer support. Contact information can typically be found on the First Alert websit la oubyen nan manyèl itilizatè konplè a.