Lexing LX-SO-215 Instruction Manual

LX-SO-215 Smoke Alarm Instruction

Summary

The photoelectric smoke alarm is designed to sense smoke that
comes into the detector chamber. It does not sense gas, heat,
or flame. This smoke alarm is designed to give early warning of
developing fires by giving off the alarm sounds from its built-in
alarm horn. It can provide precious time for you and your family
to escape before a fire spreads.

Specifications

Power source: DC3V
Static current: <1.5uA
Alarm current: <50mA
Low voltage alarm: 2.7V±0.5V
Alarm sonority: >85 db (3m)
Working temperature:-10°C~50°C

Function

（1）When putting in a battery, the buzzer sounds once to promote power on successfully.
（2）When the battery shows low voltage, it sounds once every half minutes with LED lighting at the same
time.
（3）When there is something wrong with the detecting parts, the annunciator sounds twice every 10 seconds
with LED lighting at the same time.
（4）When there is no smoke alarm and pressing the button, annunciator sounds third like smoke alarm voice.
（5）When there is no wrong with the detecting parts and smoke alarm, pressing the button for 8 seconds, the
buzzer sounds once to promote refresh mode. And the buzzer sounds third to finish refreshment. Make sure
this refreshment is under smokeless both in alarm shell and environment in case not effect on smoke alarm's
sensitivity.
（6）When the smoke alarm works,pressing the button to the silent mode, the buzzer is silent with LED
continuing lighting alarm. The silent mode can last 15 min with button invalid.

Where to install smoke alarms

>Install a smoke alarm in the hallway outside every separate bedroom area, as shown in Figure 1.
>Install a smoke alarm on every floor of a multi-floor home or apartment, as shown in Figure2.
family room
bedroom
smoke alarm
smoke
kitchen
bedroom
bedroom
living room
bedroom
for minimum security
alarm for more security
Fiure 1
32.5mm
bedroom
bedroom bedroom
garage
kitchen
ground
floor
basement
smoke alarm for minimum security
Figure 2