1. Introducció
The First Alert SC5 Battery Smart Smoke and Carbon Monoxide (CO) Alarm is a 2-in-1 device designed to enhance your home's fire and CO safety. This smart alarm provides alerts whether you are home or away, integrating with compatible smart home systems to offer comprehensive protection.
This manual provides essential information for the proper installation, operation, and maintenance of your First Alert SC5 alarm. Please read it thoroughly before installation and keep it for future reference.
2. Informació de seguretat
Important: This device detects both smoke and carbon monoxide. It is not designed to detect natural gas, propane, or other combustible fuels.
- Always follow local building codes and regulations for alarm placement and installation.
- No pinteu l'alarma. La pintura pot obstruir les cambres de detecció i impedir que l'alarma funcioni correctament.
- Do not install in areas with high humidity, extreme temperatures, or excessive dust/dirt.
- Proveu l'alarma setmanalment per assegurar-vos que funciona correctament.
- Replace batteries immediately when the low battery warning sounds.
- Never ignore any alarm. Investigate the cause and take appropriate action.
3. Característiques del producte
- Connectivitat intel·ligent: Compatible with Google's Nest Protect Alarm and sends alerts to your phone via the First Alert app if smoke and CO are detected.
- Interconnected System: When one alarm sounds, all compatible alarms in your home will sound, providing widespread notification.
- Notificacions de bateria baixa: Notifies you when batteries are low, eliminating unexpected late-night chirps.
- Alertes de veu: Provides a Heads-Up warning with voice alerts that specify the type and location of danger in your home.
- Tecnologia de detecció de precisió: Equipped with advanced sensing technology to help reduce nuisance alarms and provide early warning.
4. Configuració i instal·lació
4.1 Desembalatge i inspecció inicial
Carefully remove the alarm from its packaging. Inspect the device for any signs of damage. Ensure all components are present: alarm unit, mounting bracket, and installation hardware.
4.2 Instal·lació de la bateria
This model is battery-powered and requires 6 C batteries (included). Open the battery compartment on the back of the unit and insert the batteries, ensuring correct polarity. Close the compartment securely.

Figure 4.2.1: First Alert SC5 Battery Smart Smoke & Carbon Monoxide Alarm mounted on a wall, indicating its battery-powered nature.
4.3 Ubicació de muntatge
For optimal protection, install smoke and CO alarms on every level of your home, including basements, and in every bedroom. Avoid installing near windows, doors, or vents where drafts could interfere with detection. Also, avoid areas prone to high humidity or extreme temperatures.
4.4 Muntatge de l'alarma
- Attach the mounting bracket to the ceiling or wall using the provided screws. Ensure it is securely fastened.
- Align the alarm unit with the mounting bracket and twist clockwise until it locks into place.
- Once mounted, the alarm will perform a self-test.

Figure 4.4.1: Installation of the First Alert SC5 alarm on a ceiling.
4.5 Connecting to the First Alert App
Download the First Alert app from your device's app store. Follow the in-app instructions to connect your SC5 alarm to your home Wi-Fi network and integrate it with your smart home system, including Google Nest Protect if applicable. This enables remote alerts and monitoring.

Figure 4.5.1: The First Alert SC5 alarm, emphasizing its smart features and compatibility.

Figure 4.5.2: The First Alert app providing remote alerts to your smartphone.
5. Funcionament de l'alarma
5.1 Prova de l'alarma
Press and hold the test button on the alarm. The alarm will sound a series of loud beeps and voice announcements. This confirms the alarm's electronics, battery, and horn are working. Test weekly.

Figure 5.1.1: The First Alert SC5 alarm with its central test button.
5.2 Understanding Alarm Signals
- Alarma de fum: Three loud beeps, pause, three loud beeps. Voice alert: "Fire! Fire!"
- Alarma de monòxid de carboni: Four loud beeps, pause, four loud beeps. Voice alert: "Carbon Monoxide! Carbon Monoxide!"
- Avís de bateria baixa: A single chirp every 60 seconds. Voice alert: "Low Battery."
- Avís de final de vida: Two chirps every 30 seconds. Voice alert: "Replace Alarm."
5.3 Silenciar l'alarma
In case of a nuisance alarm (e.g., from cooking smoke), press the test/silence button on the alarm or use the First Alert app to temporarily silence the alarm. The alarm will automatically reset after a few minutes if the smoke/CO clears.
5.4 Funció d'interconnexió
The SC5 alarm is designed to interconnect with other compatible First Alert and BRK alarms, as well as Google Nest Protect alarms. When one interconnected alarm detects smoke or CO, all compatible alarms in the system will sound, providing enhanced safety coverage throughout your home.

Figure 5.4.1: Interconnection of compatible alarms for whole-home safety.
6. Manteniment
6.1 Neteja de l'alarma
Clean your alarm at least once a month. Use a soft brush or a vacuum cleaner with a soft brush attachment to remove dust and debris from the alarm's vents. Do not use cleaning solvents or sprays directly on the alarm.
6.2 Substitució de la bateria
When the alarm indicates a low battery (a chirp every 60 seconds and voice alert), replace all 6 C batteries immediately. Use only recommended replacement batteries. Refer to section 4.2 for battery installation instructions.
6.3 Alarm End of Life
The First Alert SC5 alarm has a 10-year lifespan. After 10 years from the date of manufacture, the alarm will signal its end of life (two chirps every 30 seconds and voice alert). At this point, the entire unit must be replaced to ensure continued protection.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Alarm chirps once every 60 seconds | Bateria baixa | Substituïu totes les piles immediatament. |
| L'alarma sona amb freqüència sense fum/CO aparent | Nuisance alarm (cooking, steam, dust) or improper placement | Press silence button. Relocate alarm if nuisance alarms persist due to placement. Clean alarm. |
| L'alarma no sona durant la prova | Dead batteries, improper installation, or unit malfunction | Check battery installation. Replace batteries. Ensure unit is properly twisted onto mounting bracket. If problem persists, replace unit. |
| Alarm chirps twice every 30 seconds | Avís de final de vida | Substituïu tota la unitat d'alarma. |
| Problemes de connectivitat de l'aplicació | Wi-Fi signal issues, app error, or incorrect setup | Ensure strong Wi-Fi signal. Restart app and alarm. Re-attempt setup process. Consult First Alert app support. |
8. Especificacions
| Atribut | Detall |
|---|---|
| Marca | Primera alerta |
| Número de model | SMCO600NV |
| Estil | Bateria |
| Font d'alimentació | Funciona amb bateria |
| Piles necessàries | Yes, 6 C batteries (included) |
| Color | Blanc |
| Dimensions del producte | 5.75 "P x 1.6" W x 5.75" H |
| Pes de l'article | 1 lliures |
| Tipus d’alarma | Alertes audibles i de veu |
| Tipus de sensor | Photoelectric Smoke, Electrochemical CO |
| Vida útil | 10 Anys |
| Connectivitat | Wi-Fi, Compatible with Google Nest Protect |
| UPC | 194160013724 |
9. Garantia i Suport
First Alert provides a limited warranty for this product. For detailed warranty information, please refer to the documentation included with your purchase or visit the official First Alert website. For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact First Alert Customer Service.
Assistència en línia: www.firstalert.com
Nota: Les especificacions i les característiques del producte estan subjectes a canvis sense previ avís.





