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General Operation

Zones

Your system's sensing devices have been assigned to various "zones." For example, the sensing device on your entry/exit door may have been assigned to zone 01, sensing devices on windows in the master bedroom to zone 02, and so on. These numbers appear on the display when an alarm or trouble condition occurs.

Fire Protection

The fire protection portion of your security system (if used) is always active and will sound an alarm if a fire condition is detected. Refer to the FIRE ALARM SYSTEM section for important information concerning fire protection, smoke detectors and planning emergency exit routes from the premises.

Burglary Protection

Your system provides two modes of burglary protection: STAY and AWAY. STAY mode protects the perimeter only, allowing you to freely move within inside the premises. AWAY mode protects the entire system. Both modes provide an entry delay time that allows you to reenter the premises without setting off an alarm. For additional security,

you can turn the entry delay off when arming the system by using the

NO DELAY

key in

combination with the desired arming key. The system also allows you to bypass selected zones before arming the system, if desired. Refer to the BYPASSING PROTECTION ZONES section. The system also provides a CHIME mode, for alerting users to the opening of protected doors and windows while the system is disarmed.

You must turn on ("arm") the burglary protection portion of your system before it will sense burglary alarms. To arm the system, enter your security code then press the desired arming key (AWAY or STAY). Refer to the ARMING THE SYSTEM section for detailed procedures and information.

Security Codes

At the time of installation, you were assigned a personal 4-digit security code. You must enter the security code when arming and disarming the system, and when performing other system functions. As an additional security feature, other users who do not need to know your code can be assigned up to 6 different security codes. Refer to the SECURITY CODES section for procedures on adding security codes to the system.

Alarms

When an alarm occurs, the keypad and sounders will sound, and the keypad will display the zone(s) causing the alarm. If your system is connected to a central monitoring station, an alarm message will be sent. To stop the alarm sounding, simply disarm the system. The zone(s) causing the alarm remain displayed indicating memory of alarm. Refer to the DISARMING THE SYSTEM section for information about clearing the memory of alarm display.

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First Alert N8891-1 manual General Operation
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N8891-1 specifications

The First Alert N8891-1 is a technologically advanced smoke and carbon monoxide (CO) alarm that exemplifies safety and efficiency for modern homes. Designed to provide comprehensive protection against two of the most hazardous threats in residential environments, this device is engineered with an array of features that enhance its functionality and user-friendliness.

One of the standout features of the N8891-1 is its dual-sensor technology. This method combines both photoelectric and ionization sensing capabilities, allowing the alarm to effectively detect a wide range of fire types. Photoelectric sensors are particularly effective for smoldering fires, which may produce more smoke and take longer to ignite, while ionization sensors quickly respond to flaming fires. This combination ensures that users receive timely warnings, enhancing safety and increasing the chances of escape.

The First Alert N8891-1 is also equipped with a unique, easy-to-read digital display that provides real-time data about CO levels in the home. This feature is crucial, as carbon monoxide is an odorless and colorless gas that can be extremely harmful, if not fatal. The display not only indicates the current CO level but also provides users with alerts in case of an emergency or when the battery is low.

In addition to its advanced sensing capabilities, the N8891-1 includes a 10-year sealed battery, eliminating the need for frequent battery replacements and ensuring long-lasting performance. This feature provides peace of mind, knowing that the device will remain operational without the hassle of upkeep.

Another important characteristic is the alarm’s ability to interlink with other compatible smoke alarms in the household. When one alarm detects smoke or CO, all linked units will sound off, creating a synchronized response that further enhances safety throughout the home.

Furthermore, the First Alert N8891-1 is designed with user convenience in mind, featuring a single button for both testing the alarm and silencing false alarms, which can often occur when cooking or from other non-threatening sources.

Overall, the First Alert N8891-1 stands out as a reliable and sophisticated choice for those seeking to enhance their home’s safety features with a dual-function smoke and carbon monoxide detector that seamlessly combines advanced technology, ease of use, and sustainability.
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