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Use this key when you want to arm your system with one or more zones intentionally unprotected.

Vent Zones: Your system may have certain windows set as “vent” zones, which are automatically bypassed if left open when arming the system (you do not need to manually bypass them). However, if a vent zone window is closed after arming, it becomes protected and will cause an alarm if opened again while the system is armed.

When bypassing zones:

•The system must be disarmed before you can bypass zones.

•Bypassed zones are unprotected and will not cause an alarm if violated.

•The system will not allow fire zones to be bypassed.

•Zones are automatically unbypassed when the system is disarmed.

1.	+	6	+ zone numbers (see below)
(Security Code)	BYPASS

Enter the 2-digit zone number(s) for the zone(s) to be bypassed (e.g., 06, 10, 13, etc.). Single digit zone numbers must be preceded by a zero (e.g. 05, 06).

2.When finished, the keypad will momentarily display a "Bypass" message for each bypassed zone number. Wait for all bypassed zones to be displayed.

Arm the system as usual. When armed, the arming message is displayed with “ZONE BYPASSED.” To display bypassed zones prior to arming, enter your security code and press the [6] BYPASS key.

Alpha(-837,3;*%90877%61)(Display:46)77

Fixed-Word Display: NOT READY

Alpha6)%(=-7%61)(Display:83%61&=4%77

Fixed-Word Display: BYPASS

>32)%61(&=4%77)(78%=

Typical armed alpha display after bypassing zones.

– 20 –

K5309-5V2 specifications

The First Alert K5309-5V2 is an advanced smoke and carbon monoxide detector that offers essential protection for homes and businesses. This device is designed to enhance safety by detecting smoke and harmful carbon monoxide gases promptly, ensuring timely alerts to prevent emergencies.

One of the standout features of the K5309-5V2 is its clever dual sensor technology. This model utilizes both photoelectric and ionization sensors, which means it can effectively detect different types of fires. Photoelectric sensors are particularly efficient at identifying smoldering fires that produce more smoke, while ionization sensors excel at detecting fast-flaming fires. This combination significantly increases the likelihood of early detection, contributing to quicker response times and reducing the risks associated with fire incidents.

The K5309-5V2 also employs an advanced carbon monoxide detection system. Carbon monoxide is a colorless, odorless gas that can be extremely dangerous, and the K5309-5V2 provides precise detection to alert users in case of an elevated CO level. With a loud 85-decibel alarm, users are ensured that they will hear the alarm even from a distance.

Another notable characteristic of this detector is its easy installation process. The K5309-5V2 can be mounted on walls or ceilings and comes with an easy-to-understand user manual that simplifies setup. The device is powered by batteries, ensuring it remains operational even during power outages.

Moreover, First Alert has incorporated a convenient test and silence button that allows users to routinely test the functionality of the alarm and silence false alarms without removing the battery.

The design of the K5309-5V2 is another merit, featuring a sleek and compact profile that blends well with various home interiors. It is also equipped with a battery- saving mode that extends the life of the battery, minimizing the frequency of replacements.

Overall, the First Alert K5309-5V2 smoke and carbon monoxide detector presents a reliable, dual-sensor solution that prioritizes safety and convenience. Its combination of innovative technologies, ease of use, and effective alarm response makes it a valuable addition to any safety system, helping protect what matters most in any environment.