1. Introduzione e oltreview
The First Alert SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup is designed to provide early warning in the event of a home fire emergency. This alarm utilizes Precision Detection advanced sensing technology, complying with new industry standards to reduce nuisance alarms while ensuring reliable fire detection. Its hardwire interconnectivity means that when one alarm sounds, all compatible alarms in your system will activate, enhancing overall home safety. The integrated battery backup ensures continuous protection even during power outages.
2. Caratteristiche principali
- Tecnologia di rilevamento di precisione: Advanced sensing technology for early warning and reduced nuisance alarms.
- Interconnessione cablata: When one alarm sounds, all compatible alarms in the system will activate.
- Batteria di backup: A 9V alkaline battery provides continuous protection during power outages.
- Indicatore di allarme: Visually identifies the unit that initiated the alarm.
- Spina a connessione rapida: Facilitates easy installation without the need for rewiring.
3. Contenuto della confezione
Il pacchetto include i seguenti articoli:
- First Alert SMI100-AC Smoke Alarm
- Easy Adapter Plug
- Batteria alcalina da 9 V
- Staffa di fissaggio
- Viti e ancoraggi
- Manuale d'uso
4. Installazione e configurazione
- La sicurezza prima di tutto: Before beginning installation, ensure the power to the area where the smoke alarm will be installed is turned off at the circuit breaker.
- Posizione di montaggio: Install smoke alarms on every level of your home and in every bedroom. Refer to the diagram below for recommended placement. Avoid installing near windows, doors, or areas with high airflow, which can interfere with smoke detection.

Image: Diagram showing recommended placement of smoke alarms, carbon monoxide alarms, and fire extinguishers in a typical home layout, including bedrooms, hallway, living room, kitchen, basement, and garage.
- Staffa di fissaggio: Attach the mounting bracket to the electrical box using the provided screws and anchors. Ensure the bracket is securely fastened to the ceiling or wall.
- Cablaggio: Connect the Easy Adapter Plug to your home's existing 120V AC electrical wiring. The alarm is designed for standard hardwire connections.

Immagine: Indietro view of the First Alert SMI100-AC smoke alarm showing the wiring connection port.
- Installazione della batteria: Insert the included 9V alkaline battery into the battery compartment on the back of the alarm. Ensure correct polarity. If there is a battery activation tab, pull it out to activate the battery.
- Allega allarme: Align the smoke alarm with the mounting bracket and twist clockwise until it locks securely into place.
- Ripristina alimentazione: Turn on power at the circuit breaker. The green power indicator light on the alarm should illuminate, indicating it is receiving AC power.
- Prova allarme: Press and hold the 'Test/Silence' button on the alarm for a few seconds until the alarm sounds. All interconnected alarms should also sound. Release the button to silence the alarm. Test weekly to ensure proper function.
5. Istruzioni per l'uso
- Indicatore di alimentazione: A green LED light on the alarm indicates that the unit is receiving AC power and the battery backup is active.
- Indicatore di allarme: When smoke is detected, the alarm will emit a loud siren, and a red LED will flash rapidly. In an interconnected system, all compatible alarms will sound. The specific unit that detected the smoke will have its red LED flashing more frequently to help identify the source.
- Funzione silenzio: To temporarily silence a nuisance alarm (e.g., from cooking smoke), press the 'Test/Silence' button. The alarm will silence for approximately 10 minutes before resetting. If smoke is still present after the silence period, the alarm will reactivate.
6. Manutenzione
- Test regolari: Test your smoke alarm weekly by pressing the 'Test/Silence' button to ensure it is functioning correctly.
- Pulizia: Dust and debris can affect alarm performance. Gently vacuum the alarm's cover and vents monthly using a soft brush attachment. Do not paint the alarm.
- Sostituzione della batteria: Replace the 9V alkaline battery annually, or immediately if the low battery chirp sounds.
- Sostituzione dell'unità: Smoke alarms have a limited lifespan. Replace the entire unit at least every 10 years from the date of manufacture. The manufacture date is located on the back of the alarm.

Image: Visual guide for regular testing and replacement of smoke alarms every 10 years.
7. Risoluzione Dei Problemi
- Falsi allarmi: If the alarm sounds without apparent smoke, ensure the area is clear of steam, cooking fumes, or excessive dust. Use the silence feature if it's a nuisance alarm.
- Cinguettio intermittente: A single chirp every 60 seconds usually indicates a low battery. Replace the battery immediately.
- Nessun potere: If the green power indicator is off, check the circuit breaker and ensure the alarm is properly connected to the hardwire.
- L'allarme non riesce a testare: If the alarm does not sound when the test button is pressed, ensure the battery is correctly installed and fully charged, and that the unit is receiving AC power. If the issue persists, the unit may need to be replaced.
8. Specifiche
| Marca: | Primo avviso |
| Modello: | SMI100-AC |
| Fonte di energia: | Hardwire (120V AC) with 9V Alkaline Battery Backup |
| Tipo di sensore: | Ionization (Precision Detection) |
| Intensità dell'allarme: | 85 dB |
| Dimensioni del prodotto: | 5.5"P x 2"L x 5.5"A |
| Peso dell'articolo: | 0.55 libbre |
| Umidità di esercizio: | 10-95% UR |
| Durata: | 10 anni |
9. Garanzia e supporto
For customer service or technical support regarding your First Alert SMI100-AC smoke alarm, please contact First Alert directly. You can reach their Customer Service Team at Numero di parte 1-800-323-9005 o visitare il loro ufficiale websito a firstalert.com.