![background image](http://html1.mh-extra.com/html/kidde/p9040/p9040_user-manual_1965331006.webp)
on the wall. Be sure the “UP FOR WALL MOUNTING “ text and
arrow are facing up. Use the screws and anchors provided to
secure the mounting plate (use 3/16” drill bit for anchor holes).
4. Battery installation instructions are provided on the inside of
the battery compartment. To ensure proper installation of the
smoke alarm battery, follow the instructions.
5. When installing the battery, press the battery reminder finger
down into the battery compartment and install the battery (see
figure 6).
CAUtION! IF tHe BAtteRY RemINdeR FINGeR IS NOt
Held dOWN IN tHe BAtteRY COmPARtmeNt BY tHe
BAtteRY, tHe UNIt WIll NOt AttACH tO tHe mOUNtING
BRACket.
6. Alignment marks are provided on the edge of the trim plate and
the alarm. After installing the mounting plate, place the alarm
on the mounting plate with the alignment marks lined up. Twist
the alarm in the direction indicated by the “ON” arrow on the
alarm cover (see figure 7) until it locks in place.
7. A tamper resist feature has been provided on the alarm. To
activate this feature you must break out the tamper-resist blocks
on the mounting plate (see figure 8). Use a small screwdriver.
Using this feature will deter children and others from removing
the alarm from the mounting plate. Please note the tamper-
resist tab will have to be released in order to change the battery.
Using a tool (small
screwdriver) push the
tab away from the
mounting plate (see
figure 9) and rotate
the alarm in the
“OFF”direction.
8. After installation, test your alarm by depressing and holding
down the test button for at least 5 seconds. This should sound
the alarm.
4. OPERATION AND TESTING
OPERATION: The smoke alarm is operating once a fresh battery is
installed and testing is complete. When products of combustion
are sensed, the unit sounds a loud 85db pulsating alarm until the
air is cleared.
HUSH CONTROL: The “HUSH” feature has the capability of
FIGURe 8
!
BREAK
OUT
FIGURe 9