I n s t a l l a t i o n
Mounting
CAUTION: This unit is sealed. The cover is not removable!
•Pull the AC
s u re that the mounting screws are positioned in the small ends of the keyholes before tightening (Image 4A).
•(For models 1275CA and PE120CA) Press the battery reminder tab down into the battery compartment while inserting the battery (Image 4C).
CAUTION: If the battery reminder tab is not held down in the battery compartment by the battery, the battery door will not close and the unit will not attach to the mounting plate.
•Plug the AC
ATTACHING THE AC QUICK-
CONNECT WIRE HARNESS
IMAGE 5
•Alignment marks are provided on the edge of the mounting plate and the alarm. After installing the mounting plate, place the alarm onto the mounting plate, making sure the alignment marks are lined up. Twist the alarm in the direction indicated by the “ON” arrow on the alarm cover (Image 4B) until it locks in place.
I n s t a l l a t i o n
Battery Backup
Models 1275CA and PE120CA 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 1275CA and PE120CA with battery backup, press the Test button (without the AC power connected). All interconnected, battery
CAUTION: Due to the loudness (85 decibels) of the alarm, always stand an
•Tu rn on the AC power. The green LED power indicator should be lit when the alarm is operating from AC power.
•For all models: C o n f i rm unit operation by pressing the Test button again.
The smoke alarm is operating once AC power is applied, a f resh battery is installed (only for battery backup models 1275CA and PE120CA) and testing is complete. When the smoke alarm ionization 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
NOTE: The
Use long nose pliers to pull the pin out of the hole. It is now possible to remove the alarm from the mounting plate.
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