Battery Backup
Models i12040ACA and P12040CA with battery backup will not
function without a properly installed battery. They are equipped with a
battery lockout feature which prevents the battery door from closing if a
battery is not installed correctly. See Maintenance section for additional
information concerning battery installation.
Testing
• To ensure proper operation of models i12040ACA and P12040CA
in the battery backup mode, press the Test button, (without the
AC power connected) for at least 5 seconds or until the alarm
sounds.
CAUTION: Due to the loudness (85 decibels) of the alarm, always stand an
arms-length away from the unit when testing.
• Turn on the AC power. The green LED power indicator should be
lit when the alarm is operating from AC power.
• For all models: Confirm unit operation by pressing the Test
button again. All interconnected alarms should respond.
• The smoke alarm is operating once AC power is applied, a fresh
battery is installed (only for battery backup models i12040ACA
and P12040CA) and testing is complete. When the smoke alarm
sensor chamber senses products of combustion, the horn will
sound a loud (85db) alarm until the sensing chamber is cleared of
smoke particles.
Alarm Tamper Resist Feature
• To make the smoke alarm tamper-resistant, a locking pin has
been provided in the bag with the screws and anchors. Using this
pin will help deter children and others from removing the alarm
from the mounting plate. To use the pin, insert it into the hole
in the side of the alarm after the alarm has been installed on the
mounting plate (Image 4D).
NOTE: The tamper-resistant pin will have to be removed in order to change
the battery (models i12040ACA and P12040CA). Use long nose pliers to
pull the pin out of the hole. It is now possible to remove the alarm from the
mounting plate.
2. Installation
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