1. Introducció
This manual provides essential information for the installation, operation, and maintenance of your First Alert SMCO100V-AC Combination Smoke and Carbon Monoxide Alarm. This device is designed to provide early warning of both smoke and carbon monoxide presence in your home, enhancing safety through advanced detection technology, voice alerts, and hardwire interconnectivity.
Please read this manual thoroughly before installation and retain it for future reference. Proper installation and regular maintenance are crucial for the effective operation of this safety device.
2. Informació important de seguretat
ADVERTIMENT: This unit is designed to detect smoke and carbon monoxide. It is not designed to detect fire, heat, or other gases. It will not prevent a fire or carbon monoxide poisoning. For maximum protection, ensure proper installation and regular testing.
- Never ignore any alarm. Responding to an alarm can save lives.
- Do not paint the alarm. Paint can clog the sensing chambers and prevent the unit from operating correctly.
- Do not remove the battery unless replacing it. The battery provides backup power during outages.
- Proveu l'alarma setmanalment per assegurar-vos que funciona correctament.
- Ensure all household members know the alarm sounds and how to respond.
3. Característiques del producte
The First Alert SMCO100V-AC alarm incorporates several features designed for enhanced home safety:
- Tecnologia de detecció de precisió: Advanced sensing technology complies with new industry standards, reducing nuisance alarms from cooking while providing early warning for actual fire emergencies.
- Alertes de veu i ubicació: When an alarm is triggered, the unit provides clear voice announcements indicating the type of danger (smoke or carbon monoxide) and its location, aiding in safe escape.
- Interconnect Hardwire Capability: Allows multiple compatible alarms to be wired together. If one interconnected alarm sounds, all connected alarms will sound, providing early warning throughout the home.
- Còpia de seguretat de la bateria: A built-in battery provides continuous protection during power outages, ensuring the alarm remains operational even when household electricity is interrupted.
- Endoll de connexió ràpida: Facilitates easy installation without the need for extensive rewiring, simplifying the setup process.

Image: The First Alert SMCO100V-AC alarm highlighting its Voice & Location Alerts feature, which verbally identifies the type and location of danger.

Image: Graphic illustrating Precision Detection Advanced Sensing Technology, emphasizing early warning and reduced nuisance alarms.
4. Configuració i instal·lació
4.1 Contingut del paquet
Before beginning installation, verify that your package contains the following items:
- First Alert SMCO100V-AC Combination Smoke and Carbon Monoxide Alarm
- Suport de muntatge
- AA Batteries (for backup)
- Easy Adapter Plug / Wiring Harness

Image: Components of the First Alert SMCO100V-AC alarm, including the main unit with its battery compartment open, the wiring harness, and mounting screws.
4.2 Col·locació recomanada
For optimal protection, install alarms on every level of your home and in every bedroom. Consider placing alarms in hallways leading to bedrooms and in living areas. Avoid placing alarms in kitchens directly above cooking appliances or in bathrooms where steam can cause nuisance alarms.

Image: A diagram illustrating recommended locations for smoke alarms, carbon monoxide alarms, and fire extinguishers within a typical home layout.
4.3 Passos d'instal·lació
- Apagueu l'alimentació: Before beginning any electrical work, ensure the power to the circuit where you will install the alarm is turned off at the main fuse or circuit breaker box.
- Instal·lació del suport de muntatge: Secure the mounting bracket to the ceiling or wall using the provided screws. If replacing an existing alarm, you may be able to use the existing bracket if compatible, but it is recommended to use the new one.
- Connexió del cablejat: Connect the alarm's wiring harness to your household electrical wiring. The Quick Connect Plug simplifies this process. Ensure proper polarity (black to black, white to white, and red/orange to red/orange for interconnect).
- Instal·lació de la bateria: Open the battery compartment and insert the AA batteries provided, observing the correct polarity. The battery provides backup power.
- Attach Alarm to Bracket: Alineeu l'alarma amb el suport de muntatge i gireu-la en sentit horari fins que quedi ben encaixada.
- Restaura l'alimentació: Turn the power back on at the main fuse or circuit breaker box.
- Prova l'alarma: Press and hold the 'Test/Silence' button for a few seconds until the alarm sounds. This confirms the unit is receiving power and functioning correctly.

Image: A First Alert SMCO100V-AC alarm installed on a ceiling, demonstrating its hardwired setup.
5. Instruccions de funcionament
5.1 Funcionament normal
During normal operation, the green LED indicator will flash approximately once every minute, indicating that the alarm is receiving power and functioning correctly. The alarm will remain silent unless smoke or carbon monoxide is detected, or the test button is pressed.
5.2 Condicions d'alarma
- Alarma de fum: If smoke is detected, the alarm will sound a loud, intermittent horn pattern (three beeps, pause, three beeps). The voice alert will announce "FIRE! FIRE!" and indicate the location if programmed. The red LED will flash rapidly.
- Alarma de monòxid de carboni (CO): If carbon monoxide is detected, the alarm will sound four quick beeps, pause, four quick beeps. The voice alert will announce "WARNING! CARBON MONOXIDE!" and indicate the location if programmed. The red LED will flash rapidly.
- Avís de bateria baixa: The alarm will chirp approximately once every minute, accompanied by a voice announcement "LOW BATTERY." This indicates the battery backup needs replacement.
- Malfunction/End-of-Life Warning: The alarm will chirp twice every 30 seconds, accompanied by a voice announcement "MALFUNCTION" or "REPLACE ALARM." This indicates a fault with the unit or that it has reached the end of its operational life and needs replacement.
5.3 Botó de prova/silenci
The large 'Test/Silence' button on the front of the alarm serves two primary functions:
- Prova: Press and hold the button for a few seconds to test the alarm's electronic circuitry, horn, and battery. The alarm will sound, and voice alerts will activate. Test weekly.
- Silenciment: In the event of a nuisance alarm (e.g., from cooking smoke), pressing the button will temporarily silence the alarm for several minutes. The alarm will automatically reset after the silence period if the smoke or CO concentration has cleared. If the danger persists, the alarm will reactivate.
6. Manteniment
6.1 Proves regulars
Test your alarm weekly by pressing and holding the 'Test/Silence' button until the alarm sounds. This ensures the unit is functioning correctly.
6.2 Substitució de la bateria
When the alarm chirps once every minute and announces "LOW BATTERY," it is time to replace the backup batteries. Use only the specified AA batteries. To replace:
- Gireu l'alarma en sentit antihorari per treure-la del suport de muntatge.
- Obriu el compartiment de la bateria.
- Traieu les piles velles i elimineu-les correctament.
- Introduïu piles AA noves, assegurant-vos de la polaritat correcta.
- Tanqueu el compartiment de la bateria i torneu a fixar l'alarma al suport de muntatge girant-la en sentit horari.
- Proveu l'alarma després de substituir la bateria.
6.3 Neteja de l'alarma
Clean your alarm at least once a month to remove dust and debris. Use a soft brush attachment on your vacuum cleaner to gently vacuum the alarm's cover and vents. Do not use cleaning solvents or spray cleaners directly on the alarm.
6.4 Alarm Replacement
Smoke and carbon monoxide alarms have a limited lifespan. This alarm should be replaced at least every 10 years from the date of manufacture. The alarm will indicate an end-of-life warning with specific chirps and voice announcements. Refer to the date code on the back of the alarm for the manufacture date.
7. Solució De Problemes
If your alarm is not functioning as expected, refer to the table below for common issues and solutions.
| Problema | Causa possible | Solució |
|---|---|---|
| Alarm chirps once every minute with "LOW BATTERY" voice. | Les piles de reserva estan baixes. | Replace the AA batteries immediately. |
| Alarm chirps twice every 30 seconds with "MALFUNCTION" or "REPLACE ALARM" voice. | Unit malfunction or end-of-life. | Substituïu tota la unitat d'alarma. |
| Alarm sounds frequently without apparent smoke or CO. | Nuisance alarm (e.g., cooking smoke, steam, dust). | Press the 'Silence' button. Clean the alarm. Relocate if consistently triggered by normal activities. |
| L'alarma no sona durant la prova. | No power, dead batteries, or unit malfunction. | Check household power. Replace batteries. If still no sound, replace the unit. |
| No totes les alarmes interconnectades sonen. | Wiring issue or incompatible units. | Verify interconnect wiring. Ensure all interconnected units are compatible models. Consult an electrician if necessary. |
8. Especificacions
- Model: SMCO100V-AC
- Marca: Primera alerta
- Font d'alimentació: Elèctric amb cable i bateria de reserva
- Tipus de bateria: AA Alkaline (included)
- Tipus d'alarma: Combination Smoke and Carbon Monoxide
- Dimensions: 5.1 "P x 5.1" W x 2.4" H
- Pes de l'article: 11.2 unces
- Color: Blanc
- Interconnexió: Interconnexió per cable
- Fabricant: Resideu
- UPC: 029054022097
9. Informació de la garantia
This First Alert SMCO100V-AC Combination Smoke and Carbon Monoxide Alarm comes with a 10 anys de garantia limitada. For detailed terms and conditions, please refer to the warranty documentation included with your product or visit the official First Alert weblloc.
10. Atenció al client
If you have any questions regarding the installation, operation, or maintenance of your First Alert alarm, or if you require technical assistance, please contact First Alert customer support. Contact information can typically be found on the product packaging or the official First Alert weblloc.
Weblloc: www.firstalert.com





