4. Set the unit where it won't get covered with dust
when drilling the mounting holes.
5. Using a 3/16" drill bit, drill a hole through each pencil
mark.
6. Insert the plastic screw anchors (included) into the
holes. Tap the screw anchors gently with a hammer,
if necessary, until they are flush with the ceiling or
wall.
7.
Install the screws but do not tighten completely.
Attach the mounting bracket by aligning the screws
in the open portion of the universal mounting slots
and rotating the bracket into place. (See Figure 2)
Tighten the screws until they are snug to secure the
bracket (D). Do not overtighten.
Figure 2
Screw
Mounting
Bracket
8. Install the batteries (included). Open battery door.
Match terminals on the ends of each battery with
the terminals on the unit. Match "+" to "+" and "-"
to "-". Push the batteries in until they snap securely
and cannot be shaken loose. If the batteries are
not snapped in completely, the unit cannot receive
battery power.
PAGE 2 OF 9
INSTALLATION CONTINUED
Screw
D
NOTE: After activating the battery, the power
indicator light may flash. (See Figure 3) If the
unit alarms, the light will blink rapidly, and
the horn will repeatedly sound three beeps,
pause, three beeps. Once the smoke/CO
detector is on the bracket, rotate it to adjust
the alignment.
9. Press the test button to test the smoke/CO detector.
(See Figure 3)
Figure 3
LOCKING FEATURE (OPTIONAL)
1. The optional locking feature is designed to prevent
unauthorized removal of the detector. It is not
necessary to activate the lock in single-family
households where unauthorized detector removal is
not a concern.
2. The feature uses a locking pin, which is molded into
the mounting bracket. Remove locking pin by using
needle-nose pliers or a utility knife.
IMPORTANT! To permanently remove the
locking pin, insert a flathead screwdriver
between the locking pin and the lock and pry
the pin out of the lock.
Test Button
Power Indicator
Light
0721 IH-9471