Kidde P9040 User manual

For your convenience, write down the following
information. If you call our Consumer Hotline,
these are the first questions you will be asked.
9 Volt Battery-Operated Photoelectric Smoke
Alarm with “HUSH” Control to temporarily silence
nuisance alarms.
Thank you for purchasing this smoke alarm. It is an important
part of your family’s home safety plan. You can trust this
product to provide the highest quality safety protection.
We know you expect nothing less when the lives of your
family are at stake.
Smoke Alarm User Guide
Smoke Alarm Model Number
(located on back of alarm):
Date Code (located on back of alarm):
The National Fire Protection Association
(NFPA) and the manufacturer
recommend replacing this alarm
ten years from the date code.
Date of Purchase:
Where Purchased:
0306-7240-00 Rev.A
P9040 For model: P9040

WARNING! SMOKE ALARM CAN NOT BE MOUNTED
UNLESS BATTERY IS PRESENT. REMOVAL OF BATTERY WILL
RENDER THE SMOKE ALARM INOPERATIVE.
IMPORTANT! READ ALL INSTRUCTIONS BEFORE
INSTALLATION AND KEEP THIS MANUAL NEAR THE ALARM
FOR FUTURE REFERENCE.
CONTENTS OF THIS MANUAL
1 -- RECOMMENDED LOCATIONS FOR SMOKE ALARMS
2 -- LOCATIONS TO AVOID
3 -- INSTALLATION INSTRUCTIONS
4 -- OPERATION AND TESTING
5 -- NUISANCE ALARMS
6 -- MAINTENANCE
7 -- LIMITATIONS OF SMOKE ALARMS
8 -- GOOD SAFETY HABITS
9 -- NFPA PROTECTION STANDARD 72
10 --
CALIFORNIA STATE FIRE MARSHAL REQUIRED INFORMATION
11 -- SERVICE AND WARRANTY
1. RECOMMENDED LOCATIONS FOR ALARMS
• Locate the first alarm in the immediate area of the bedrooms.
Try to monitor the exit path as the bedrooms are usually farthest
from the exit. If more than one sleeping area exists, locate addi-
tional alarms in each sleeping area.
• Locate additional alarms to monitor any stairway as stairways act
like chimneys for smoke and heat.
• Locate at least one alarm on every floor level.
• Locate an alarm in every bedroom.
• Locate an alarm in every room where electrical appliances are
operated (i.e. portable heaters or humidifiers).
• Locate an alarm in every room where someone sleeps with the
door closed. The closed door may prevent an alarm not located
in that room from waking the sleeper.
• Smoke, heat, and combustion products rise to the ceiling and
spread horizontally. Mounting the smoke alarm on the ceiling in
the center of the room places it closest to all points in the room.
!

Ceiling mounting is preferred in ordinary residential construction.
• For mobile home installation, select locations carefully to avoid
thermal barriers that may form at the ceiling. For more details,
see MOBILE HOME INSTALLATION below.
• When mounting an alarm on the ceiling, locate it at a minimum
of 4” (10cm) from the side wall (see figure 1).
• When mounting the alarm on the wall, use an inside wall with
the top edge of the alarm at a minimum of 4” (10cm) and a
maximum of 12” (30.5cm) below the ceiling (see figure 1).
• Put smoke alarms at both ends of a bedroom hallway or large
room if the hallway or room is more than 30 ft (9.1m) long.
• Install Smoke Alarms on sloped, peaked or cathedral ceilings
at or within 3 ft (0.9m) of the highest point (measured hori-
zontally). NFPA 72 states: “Smoke alarms in rooms with ceiling
slopes greater than 1 ft in 8 ft (.3m in 2.4m) horizontally shall
be located on the high side of the room.” NFPA 72 states: “A
row of alarms shall be spaced and located within 3 ft (0.9m) of
the peak of the ceiling measured horizontally” (see figure 3).
Required
Required
FIGURE 2 FIGURE 3
FIGURE 1
Required
Required

MOBILE HOME INSTALLATION
Modern mobile homes have been designed and built to be energy
efficient. Install smoke alarms as recommended above (refer to
RECOMMENDED LOCATIONS and figures 1 and 2).
In older mobile homes that are not well insulated compared to
present standards, extreme heat or cold can be transferred from
the outside to the inside through poorly insulated walls and roof.
This may create a thermal barrier which can prevent the smoke
from reaching an alarm mounted on the ceiling. In such units,
install the smoke alarm on an inside wall with the top edge of
the alarm at a minimum of 4” (10cm) and a maximum of 12”
(30.5cm) below the ceiling (see figure 1).
If you are not sure about the insulation in your mobile home, or if
you notice that the outer walls and ceiling are either hot or cold,
install the alarm on an inside wall. For minimum protection, install
at least one alarm close to the bedrooms. For additional protec-
tion, see SINGLE FLOOR PLAN in figure 2.
WARNING: TEST YOUR SMOKE ALARM OPERATION
AFTER RV OR MOBILE HOME VEHICLE HAS BEEN IN
STORAGE, BEFORE EACH TRIP AND AT LEAST ONCE A WEEK
DURING USE.
2. LOCATIONS TO AVOID
• In the garage. Products of combustion are present when you
start your automobile.
• Less than 4” (10cm) from the peak of an “A” frame type ceil-
ing.
• In an area where the temperature may fall below 40ºF or rise
above 100ºF, such as garages and unfinished attics.
• In dusty areas. Dust particles may cause nuisance alarm or fail-
ure to alarm.
• In very humid areas (greater than 95% R.H.). Moisture or steam
can cause nuisance alarms.
• In insect-infested areas.
• Smoke alarms should not be installed within 3 ft (.9m) of the
following: The door to a kitchen, the door to a bathroom con-
taining a tub or shower, forced air supply ducts used for heating
or cooling, ceiling or whole house ventilating fans, or other high
air flow areas.
!

• Kitchens. Normal cooking may cause nuisance alarms. If a kitch-
en alarm is desired, it should have an alarm silence feature or be
a photoelectric type.
• Near fluorescent lights. Electronic “noise” may cause nuisance
alarms.
• Smoke alarms are not to be used with detector guards unless
the combination (alarm and guard) has been evaluated and
found suitable for that purpose.
3. INSTALLATION INSTRUCTIONS
CAUTION: THIS UNIT IS SEALED. THE COVER IS NOT
REMOVABLE!
1. Remove the mounting plate from the back of the alarm by hold-
ing the mounting plate and twisting the alarm in the direction
indicated by the “OFF” arrow on the alarm cover.
2. To insure aesthetic alignment of the alarm with the hallway or
wall, the “A” line on the mounting plate should be parallel with
the hallway when ceiling mounting or horizontal when wall
mounting.
3. After selecting the proper smoke alarm location as described in
section 1, attach the mounting plate to the ceiling as shown in
figure 4. For wall mounting see figure 5. Place mounting plate
FIGURE 6
When wall
mounting, the
“A” line should
be horizontal
and the “UP
FOR WALL
MOUNTING”
arrow must be
pointing up.
A A
A A
Alignment
Marks
Install Remove
FIGURE 5
FIGURE 4
FIGURE 7
When
mounting in
a hallway,
the “A” line
should be
parallel with
the hallway.
!

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

temporarily desensitizing the alarm circuit for approximately 8
minutes. This feature is to be used only when a known alarm
condition, such as smoke from cooking activates the alarm. The
smoke alarm is desensitized by pushing the “HUSH” button on the
smoke alarm cover. If the smoke is not too dense, the alarm will
silence immediately and the red LED will flash every 10 seconds for
approximately 8 minutes. This indicates that the alarm is in a tem-
porarily desensitized condition. The smoke alarm will automatically
reset after approximately 8 minutes, and sound the alarm if smoke
is still present. The “HUSH” feature can be used repeatedly until
the air has been cleared of the condition causing the alarm.
NOTE: DENSE SMOKE WILL OVERRIDE THE HUSH CONTROL
FEATURE AND SOUND A CONTINUOUS ALARM.
CAUTION: BEFORE USING THE ALARM HUSH FEATURE,
IDENTIFY THE SOURCE OF THE SMOKE AND BE CERTAIN
A SAFE CONDITION EXISTS.
FLASHING LED LIGHT: This smoke alarm is equipped with a flash-
ing red indicator light. The light will flash every 40-45 seconds to
indicate that the smoke alarm is receiving power.
SMOKE SENSING CHAMBER OPERATION: This alarm will “chirp”
if any of the components in the smoke sensing chamber fail. This
chirp will occur between the flashes of the red LED indicator light.
(If the chirp occurs at the same time as the red LED flash, see sec-
tion 6 for low battery information.)
TESTING: Test by pushing the test button on the cover and hold-
ing it down for a minimum of 5 seconds. This will sound the alarm
if the electronic circuitry, horn, and battery are working. If no
alarm sounds, the unit has defective batteries or other failure. DO
NOT use an open flame to test your alarm, you could damage the
alarm or ignite combustible materials and start a structure fire.
TEST THE ALARM WEEKLY TO ENSURE PROPER OPERATION.
Erratic or low sound coming from your alarm may indicate
a defective alarm, and it should be returned for service (see
section 12).
NOTE: WEEKLY TESTING IS REQUIRED.
5. NUISANCE ALARMS
Smoke alarms are designed to minimize nuisance alarms.
Cigarette smoke will not normally set off the alarm, unless the
smoke is blown directly into the alarm. Combustion particles from
cooking may set off the alarm if the alarm is located close to the
!

cooking area. Large quantities of combustible particles are gener-
ated from spills or when broiling. Using the fan on a range hood
which vents to the outside (non-recirculating type) will also help
remove these combustible products from the kitchen.
If the alarm does sound, check for fires first. If a fire is discovered,
get out and call the fire department. If no fire is present, check to
see if one of the reasons listed in section 2 may have caused the
alarm.
The Model P9040 has a “HUSH” control that is extremely useful in
a kitchen area or other areas prone to nuisance alarms. For more
information refer to section 4, OPERATION AND TESTING.
6. MAINTENANCE
BATTERY REPLACEMENT
Please refer to section 3 for removal instructions. The tamper-resist
tab will have to be released in order to change the battery.
To replace the battery, remove the alarm from the mounting plate
by rotating the alarm in the direction of the “OFF” arrow on the
cover (see figure 7).
The Model P9040 Smoke Alarm is powered by a 9V battery
(carbon zinc and alkaline batteries may be used). A fresh battery
should last for one year under normal operating conditions. This
alarm has a low battery monitor circuit which will cause the alarm
to “chirp” approximately every 30-40 seconds for a minimum of
seven (7) days when the battery gets low. Replace the battery
when this condition occurs.
USE ONLY THE FOLLOWING 9 VOLT BATTERIES FOR SMOKE
ALARM REPLACEMENT.
Carbon Zinc Type: EVEREADY 1222;
GOLD PEAK 1604S
Alkaline Type: ENERGIZER 522; DURACELL MN1604,
MX1604,GOLD PEAK 1604A
PANASONIC 6AM6, 6AM-6, 6AM-6PI,
6AM6X, and 6LR61(GA)
NOTE: WEEKLY TESTING IS REQUIRED.

WARNING!! USE ONLY THE BATTERIES SPECIFIED. USE
OF DIFFERENT BATTERIES MAY HAVE A DETRIMENTAL
EFFECT ON THE SMOKE ALARM.
CLEANING YOUR ALARM
YOUR ALARM SHOULD BE CLEANED AT LEAST ONCE A YEAR
To clean your alarm, remove it from the mounting bracket as
outlined in the beginning of this section. You can clean the inte-
rior of your alarm (sensing chamber) by using compressed air or
a vacuum cleaner hose and blowing or vacuuming through the
openings around the perimeter of the alarm. The outside of the
alarm can be wiped with a damp cloth. After cleaning, reinstall
your alarm and test your alarm by using the test button. If clean-
ing does not restore the alarm to normal operation the alarm
should be replaced.
7. LIMITATIONS OF SMOKE ALARMS
WARNING: PLEASE READ CAREFULLY AND THOROUGHLY
• NFPA 72 states: Life safety from fire in residential occupancies
is based primarily on early notification to occupants of the need
to escape, followed by the appropriate egress actions by those
occupants. Fire warning systems for dwelling units are capable
of protecting about half of the occupants in potentially fatal
fires. Victims are often intimate with the fire, too old or young,
or physically or mentally impaired such that they cannot escape
even when warned early enough that escape should be possible.
For these people, other strategies such as protection-in-place or
assisted escape or rescue are necessary.
• Smoke alarms are devices that can provide early warning of pos-
sible fires at a reasonable cost; however, alarms have sensing
limitations. Ionization sensing alarms may detect invisible fire
particles (associated with fast flaming fires) sooner than photo-
electric alarms. Photoelectric sensing alarms may detect visible
fire particles (associated with slow smoldering fires) sooner than
ionization alarms. Home fires develop in different ways and are
often unpredictable. For maximum protection, Kidde recom-
mends that both Ionization and Photoelectric alarms be installed.
• A battery powered alarm must have a battery of the specified type,
in good condition and installed properly.
!
!

• AC powered alarms (without battery backup) will not operate if
the AC power has been cut off, such as by an electrical fire or
an open fuse.
• Smoke alarms must be tested regularly to make sure the batter-
ies and the alarm circuits are in good operating condition.
• Smoke alarms cannot provide an alarm if smoke does not reach
the alarm. Therefore, smoke alarms may not sense fires starting
in chimneys, walls, on roofs, on the other side of a closed door
or on a different floor.
• If the alarm is located outside the bedroom or on a different
floor, it may not wake up a sound sleeper.
• The use of alcohol or drugs may also impair one’s ability to
hear the smoke alarm. For maximum protection, a smoke alarm
should be installed in each sleeping area on every level of a
home.
• Although smoke alarms can help save lives by providing an early
warning of a fire, they are not a substitute for an insurance
policy. Home owners and renters should have adequate insur-
ance to protect their lives and property.
8. GOOD SAFETY HABITS
DEVELOP AND PRACTICE A PLAN OF ESCAPE
• Make a floor plan indicating all doors and windows and at least
two (2) escape routes from each room. Second story windows
may need a rope or chain ladder.
• Have a family meeting and discuss your escape plan, showing
everyone what to do in case of fire.
• Determine a place outside your home where you all can meet if
a fire occurs.
• Familiarize everyone with the sound of the smoke alarm and
train them to leave your home when they hear it.
• Practice a fire drill at least every six months, including fire drills
at night. Ensure that small children hear the alarm and wake
when it sounds. They must wake up in order to execute the
escape plan. Practice allows all occupants to test your plan
before an emergency. You may not be able to reach your chil-
dren. It is important they know what to do.
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