English - Kidde Canada
Smoke and Carbon
Monoxide Alarm
User Guide
Model: KN-COSM-BACA (900-0220)
2-AA Operated with Front-Loading Battery Door
ATTENTION: Please take a few minutes to thoroughly read this
user guide, which should be saved for future reference and
passed on to any subsequent owner.
User Guide P/N 2553-7202-00-EN 8/2013
What to do When the Alarm Sounds!
Carbon Monoxide Alarm Procedure
WARNING: Activation of the CO
Alarm indicates the presence of Carbon
Monoxide (CO) which can kill you.
If the alarm sounds 4 quick “beeps”, 5 seconds off:
1) Immediately move to fresh air – outdoors or by an open
door/window. Do a head count to check that all persons
are accounted for. Do not re-enter the premises nor move
away from the open door/window until the emergency
services responders have arrived, the premises have been
aired out, and your alarm remains in its normal condition.
2) Call your local emergency service.
(fire department or 911)
Never restart the source of a CO problem until it has
been corrected. Never ignore the sound of the alarm!
If the alarm is sounding, pressing the test/reset button
will terminate the alarm. If the CO condition that caused
the alert in the first place continues, the alarm will
reactivate. If the unit alarms again within six minutes, it
is sensing high levels of CO which can quickly become a
dangerous situation.
What to do When the Alarm Sounds!
Determining what type of alarm has sounded is easy with your
Combination Smoke/CO Alarm. The voice message warning
system will inform you of the type of situation occurring. Refer
to the Features section on pages 4-5 for a detailed description
of each alarm pattern.
What To Do If The Alarm Sounds
When the smoke alarm sounds:
Smoke alarms are designed to minimize false alarms. Cigarette
smoke will not normally set off the alarm, unless the smoke is
blown directly into the alarm. This unit contains nuisance alarm
protection, which will reduce the impact of cooking particles.
However, large quantities of combustible particles from spills or
broiling could still cause the unit to alarm. Careful location of the
unit away from the kitchen area will give the maximum nuisance
alarm protection. Combustion particles from cooking may set off
the alarm if located too close to the cooking area. Large quantities
of combustible particles are generated from spills or when broiling.
Using the fan on a range hood which vents to the outside (nonrecirculating type) will also help remove these combustible
products from the kitchen.
If the alarm sounds, check for fires first. If a fire is discovered
follow these steps. Become thoroughly familiar with these items,
and review with all family members!
• Alert small children in the home. Children sleep very
sound and may not be awakened by the sound of the
smoke alarms.
• Leave immediately using one of your planned escape
routes (see pages 22-23). Every second counts, don’t stop
to get dressed or pick up valuables.
What to do When the Alarm Sounds!
• Before opening inside doors look for smoke seeping in
around the edges, and feel with the back of your hand
If the door is hot use your second exit. If you feel it’s
safe, open the door very slowly and be prepared to
close immediately if smoke and heat rush in.
• If the escape route requires you to go through smoke,
crawl low under the smoke where the air is clearer.
• Go to your predetermined meeting place. When two
people have arrived one should leave to call 911 from
a neighbor’s home, and the other should stay to perform a
head count.
• Do not reenter under any circumstance until fire
officials say that it is safe to do so.
• There are situations where a smoke alarm may
not be effective to protect against fire as noted
by the NFPA Standard 72. For instance:
- Smoking in bed
- Leaving children unsupervised
- Cleaning with flammable liquids, such as gasoline
- Fires where the victim is intimate with a flaming
initiated fire; for example, when a person's
clothes catch fire while cooking
- Fires where the smoke is prevented from reaching
the detector due to a closed door or other
- Incendiary fires where the fire grows so rapidly that
an occupant's egress is blocked even with
properly located detectors
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1
Product View . . . . . . . . . . . . . . . . . . . . . . . . . . . Pages 2-3
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pages 4-7
CO Alarm Response Times . . . . . . . . . . . . . . . . . Pages 7-8
Installation Instructions
Step 1: Installation Instructions:
A. Recommended Installation Locations . . . . Pages 8-10
B. Locations to Avoid . . . . . . . . . . . . . . . . . . Page 11
Step 2: Mounting Instructions.. . . . . . . . . . . . . . Page 12
Step 3: Testing the Alarm. . . . . . . . . . . . . . . . . . Page 13
Operating Instructions
HUSH Control Feature . . . . . . . . . . . . . . . . . . . . Pages 13-14
Reset Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 14
CO Peak Level Memory . . . . . . . . . . . . . . . . . . . Page 14
LED Indicator Operation . . . . . . . . . . . . . . . . . . . Page 15
Tamper Resist Feature . . . . . . . . . . . . . . . . . . . . Page 15-16
Battery Replacement. . . . . . . . . . . . . . . . . . . . . . Pages 17-18
Alarm Replacement . . . . . . . . . . . . . . . . . . . . . . . Page 18
End of Product Life Notification . . . . . . . . . . . . . Page 18
General Alarm Maintenance . . . . . . . . . . . . . . . Page 19
Carbon Monoxide Safety Information
General CO Information . . . . . . . . . . . . . . . . . . Page 20
Possible Sources . . . . . . . . . . . . . . . . . . . . . . . . Page 20
CO Safety Tips . . . . . . . . . . . . . . . . . . . . . . . . . Page 21
Symptoms of CO Poisoning . . . . . . . . . . . . . . . Pages 21-22
Fire Safety Information
Escape Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 22
Fire Prevention . . . . . . . . . . . . . . . . . . . . . . . . . . Page 23
Industry Safety Standards
National Fire Protection Association . . . . . . . . . Page 24
NRC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 24
Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . Page 25
Thank you for purchasing the Kidde Combination Smoke and
Carbon Monoxide Alarm model KN-COSM-BACA.
This unit is suitable as a Single Station alarm. This alarm has
a ten-year limited warranty.
Please take a few minutes to thoroughly read this user
guide which should be saved for future reference. Teach
children how to respond to the alarms, and they should
never play with the unit.
Your Kidde Smoke/CO Alarm was designed to detect both
smoke and carbon monoxide from any source of
combustion in a residential environment. It is not designed
for use in a recreational vehicle (RV) or boat.
If you have any questions about the operation or
installation of your alarm, please call our toll free Product
Support Line at 1 800-880-6788.
The guide on page 23 will help you determine the correct
location of safety products that will help keep your home a
safer place.
WARNING: The installation of this device should
not be used as a substitute for proper installation, use
and maintenance of fuel burning appliances, including
appropriate ventilation and exhaust systems. It does
not prevent CO from occurring, nor can it solve and
existing CO problem.
Product View
Green & Red LED
(Light Emitting Diode)
Alarm Sounder
Voice Speaker
Battery Compartment
Product View
• Loud 85 decibel alarm.
• Permanent independent smoke and carbon monoxide sensors.
• Smoke alarm takes precedence when both smoke and
carbon monoxide are present.
• Powered by two AA batteries.
• Alarm/Voice message warning system that alerts you of the
following conditions in the manner described below, thus
eliminating any confusion over which alarm is sounding:
FIRE: The alarm/voice pattern is three long alarm beeps
followed by the verbal warning message “FIRE!” This pattern
is repeated until the smoke is eliminated. The red LED light
will flash while in alarm/voice mode.
CARBON MONOXIDE: The alarm/voice pattern is four short
alarm beeps followed by the verbal warning message
“WARNING! CARBON MONOXIDE!". This continues until the
unit is reset or the CO is eliminated and after four minutes the
alarm/voice pattern will sound once every minute. The red Light
Emitting Diode (LED) light will flash while in alarm/voice mode.
LOW BATTERY: When the batteries are low and need
replacing, the red LED light will flash and the unit will "chirp"
once every 60 seconds for at least 7 days. The "LOW
BATTERY" voice only occurs once every 15 minutes.
• Voice Message System that alerts user to the following
– Only for smoke alarm Hush
System announces “HUSH MODE ACTIVATED” when
the unit is first put into HUSH Mode.
– Only for smoke alarm Hush
System announces “HUSH MODE CANCELLED” when
unit resumes normal operation after Hush Mode has
been cancelled.
– Only if button is pushed
DETECTED” when the unit has detected CO
concentrations of 100 ppm or higher.
– System announces “PUSH TEST BUTTON” when the unit
is powered up, reminding user to activate the Test
• End of Life Hush. At end of product life, the button can be
pushed to silence the end of life "chirp" for approximately 3
days at a time, for a maximum of 30 days life extension.
• One “chirp” every 30 seconds is an indication that the alarm
is malfunctioning. If this occurs call the Product Support Line
at 1-800-880-6788.
• Test/Reset button performs functions. (See page 13).
• HUSH Control Feature that silences the unit during nuisance
alarm situations (see pages 13-14).
• Peak Level Memory Feature which alerts user when the unit
has detected CO concentrations of 100 ppm or greater (see
page 14).
• Alarm Memory Feature that gives visual indication when an
alarm has sensed a hazardous condition.
• Green and red LED lights that indicate normal operation and
alarm status (see page 15 for details).
• Tamper Resist Feature that deters children and others from
removing the alarm (see pages 15-16).
• Battery reminder flag that prohibits installation when
batteries are not present.
Smoke Alarm
The smoke alarm monitors the air for products of combustion
that are produced when something is burning or smoldering.
When smoke particles in the smoke sensor reach a specified
concentration, the alarm/voice message warning system will
sound, and be accompanied by the flashing red LED light. The
smoke alarm takes precedence when both smoke and carbon
monoxide are present.
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 protectionin-place or assisted escape or rescue are necessary.
• Smoke alarms are devices that can provide early warning of
possible 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 photoelectric 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 recommends 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.
• Smoke alarms must be tested regularly to make sure the
batteries 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. Homeowners and renters should have
adequate insurance to protect their lives and property.
Carbon Monoxide (CO) Alarm
The Carbon Monoxide (CO) alarm monitors the air for the
presence of CO. It will alarm when there are high levels of CO
present, and when there are low levels of CO present over a
longer period of time (see below for alarm times). When a CO
condition matches either of these situations, the alarm/voice
message warning system will sound, and be accompanied by
the flashing red LED light. The carbon monoxide sensor uses an
electrochemical technology.
! CAUTION: This alarm will only indicate the
presence of carbon monoxide gas at the sensor.
Carbon monoxide gas may be present in other areas.
Individuals with medical problems may consider using warning
devices which provide audible and visual signals for carbon
monoxide concentrations under 30 ppm.
CO Alarm Response Times
Never restart the source of a CO problem until it has
The CO sensor meets the alarm response time requirements as follows:
At 70 PPM, the unit must alarm within 60-240 minutes.
At 150 PPM, the unit must alarm within 10-50 minutes.
At 400 PPM, the unit must alarm within 4-15 minutes.
CO Alarm Response Times
NOTE: This carbon monoxide alarm is designed to detect
carbon monoxide gas from ANY source of combustion. It is
NOT designed to detect any other gases.
Fire departments, most utility companies and HVAC contractors
will perform CO inspections. Some may charge for this service.
It’s advisable to inquire about any applicable fees prior to
having the service performed. Kidde will not pay for, or
reimburse, the owner or user of this product, for any repair or
dispatch calls related to the alarm sounding.
Installation Instructions
Step 1 Installation Instructions
A. Recommended Installation Locations:
Kidde recommends the installation of a Smoke/CO Alarm in the
following locations. For maximum protection we suggest an
alarm be installed on each level of a multilevel home, including
every bedroom, hallways, finished attics and basements. Put
alarms at both ends of bedroom, hallway or large room if
hallway or room is more than 9.1m (30 ft) long. If you have
only one alarm, ensure it is placed in the hallway outside of the
main sleeping area, or in the main bedroom. Verify the alarm
can be heard in all sleeping areas.
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 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.
Installation Instructions
10 cm (4”)
10 cm (4”)
30.5 cm (12”)
0.9 m (3’)
0.9 m (3’)
0.9 m (3’)
30 cm (12")
Installation Instructions
When mounting an alarm on the ceiling, locate it at a minimum
of 10cm (4”) from the side wall (see figure 1). If installing the
alarm on the wall, use an inside wall with the top edge of the alarm
at a minimum of 10cm (4”) and a maximum of 30.5cm (12”) below
the ceiling (see Figure 1A).
Sloped Ceiling Installation:
Install smoke alarms on sloped, peaked or cathedral ceilings
at, or within 0.9 m (3’) of the highest point (measured
horizontally). NFPA 72 states “Smoke alarms in rooms with
ceiling slopes greater than 0.3 m – 2.4 m (1’ to 8’)
horizontally shall be located on the high side of the room”.
Do not place the alarm in the peak of an “A” frame type
ceiling (see Figure 1B and 1C).
Mobile Homes:
Modern mobile homes have been designed and built to be
energy efficient. Install Smoke/CO alarms as recommended
previously (refer to Recommended Installation Instructions
and Figure 1B).
In older mobile homes that are not well insulated, extreme
heat or cold can be transferred from the outside to the
inside through poorly insulated walls and roof. This may
cause a thermal barrier, which can prevent smoke from
reaching an alarm mounted on the ceiling. In such mobile
homes install your Smoke/CO Alarm on an inside wall with
the top edge of the alarm at a minimum of 10 cm (4”) and
a maximum of 30.5 cm (12”) below the ceiling (See Figure
1A). 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 your alarm on an inside wall ONLY!
Installation Instructions
WARNING: This product is intended for use in
ordinary indoor locations of family living units. It is
not designed to measure compliance with
commercial or industrial standards.
B. Locations to Avoid:
WARNING: Do not install in garages, kitchens,
furnace rooms or bathrooms! INSTALL AT LEAST 1.5 M
Do not install within 0.9 m (3’) of the following: The door
to a kitchen, or a bathroom that contains 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. Avoid excessively dusty, dirty or greasy areas. Dust,
grease or household chemicals can contaminate the alarm’s
sensors, causing the alarm to not operate properly.
Place the alarm where drapes or other objects will not block
the sensors. Smoke and CO must be able to reach the
sensors to accurately detect these conditions. Do not install
in peaks of vaulted ceilings, “A” frame ceilings or gabled
roofs. Keep out of damp and humid areas.
Install at least one 30.5 cm (12”) away from fluorescent
lights as electronic noise may cause nuisance alarms. Do not
place in direct sunlight and keep out of insect infested
areas. Extreme temperatures will affect the sensitivity of the
Smoke/CO Alarm. Do not install in areas where the
temperature is colder than 4.4В°C (40В°F) or hotter than
37.8В°C (100В°F), such as garages and unfinished attics. Do
not install in areas where the relative humidity (RH) is
greater than 85%. Place away from doors and windows
that open to the outside.
Installation Instructions
Step 2: Mounting Instructions
1. To help identify the date to replace the unit, write the "Replace
by" date (10 years from initial power up) in permanent marker
in the space provided on the side of the alarm. See Alarm
Replacement section for additional information.
2. Remove the mounting bracket from the back of the alarm by
holding the mounting bracket and twisting the alarm in the
direction indicated by the “OFF”arrow on the alarm cover.
3. Selecting the proper location for your Smoke/CO Alarm, as
described on Pages 8-10. To ensure aesthetic alignment of
the alarm with the hallway, or wall, the “A” line on the
mounting bracket must be parallel with the hallway when
ceiling mounted, or horizontal when wall mounted.
4. Install the alarm on the mounting bracket and rotate the
alarm in the direction of the “ON” arrow on the cover until
the alarm ratchets into place (this ratcheting function allows
for aesthetic alignment). Note: The alarm will mount to the
bracket in 4 positions (every 90 degrees).
5. Remove the red cardboard from the battery compartment,
install batteries, close battery door.
Installation Instructions
Step 3: Testing the Alarm
! CAUTION: Due to the loudness (85 decibels) of the
alarm, always stand an arms length away from the
unit when testing.
After installation, TEST THE UNIT’S ELECTRONICS by pressing
and releasing the test/reset button. You will then hear the
following sequence of "beeps" and verbal warnings:
Three long beeps.
Verbal warning: "FIRE!"
Three long beeps.
Four quick beeps.
Four quick beeps
Weekly testing is required! If at anytime it does not perform as
described, verify power is connected correctly and that the
battery doesn’t need replacing. Clean dust and other buildup
off the unit. If it still doesn’t operate properly call the Product
Support Line at 1-800-880-6788.
Operating Instructions
Smoke HUSH Control Feature
The HUSH feature has the capability of temporarily desensitizing
the smoke alarm circuit for approximately 9 minutes. This
feature is to be used only when a known alarm condition, such
as smoke from cooking, activates the alarm. When the unit is in
alarm you can put your Smoke/CO Alarm in HUSH mode by
pushing the test/reset button. If the smoke is not too dense, the
alarm will silence immediately, the unit will verbally announce
“HUSH MODE ACTIVATED”, and the green LED will flash every
2 seconds for approximately 9 minutes. This indicates that the
smoke alarm is in a temporarily desensitized condition.
Operating Instructions
Your Smoke/CO Alarm will automatically reset after
approximately 9 minutes. When the unit returns to normal
operation after being in HUSH mode, it will verbally announce
“HUSH MODE CANCELLED”, 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. While
the unit is in HUSH mode, pushing the test/reset button on the
alarm will also end the HUSH period.
Reset Feature
If the the Smoke/CO Alarm is sounding a CO alarm, pressing
the test/reset button will silence the alarm.
If the CO condition that caused the alert continues, the alarm
will reactivate within 200 seconds.
CO Peak Level Memory
If the green LED is blinking once every 10 seconds, the unit has
detected a hazardous CO condition. If the CO sensor has
detected a CO level of 100 PPM or higher since last reset, it will
be recorded by the Peak Level Memory function. To access the
Peak Level Memory press the test/reset button. If a reading of
100 PPM or higher has been recorded, the unit will announce
“Carbon Monoxide Previously Detected.” If you’ve been away
from home this feature allows you to check if there was a CO
reading of 100, or higher, during your absence. Pushing the
test/reset button resets the memory. It’s also reset when the
power is removed.
Operating Instructions
LED Indicator Operation
The red LED will flash as described below under the following
During smoke or CO alarm, with every beep
During testing (same as alarm)
Low battery, single flash with chirp
End of product life, double flash every 30 seconds with
– Unit error mode, single flash with chirp
– Unit error mode, a Fault Code is flashed every 30 seconds
(can be observed and reported to customer service for
Green LED
The green LED will flash as described below under the following
– Standby Condition :
The LED will flash every 60 seconds.
– Alarm Memory Condition: The LED will flash every second
during alarm. When the alarm condition goes away, the
originating alarm unit will flash the LED every 16 seconds
until the test/reset button is pressed, thus resetting the
– HUSH MODE Condition: The LED will flash every 2
seconds while the alarm is in HUSH mode.
Tamper Resist Feature
To make your smoke/CO alarm tamper resistant, a tamper resist
feature has been provided. Activate the tamper resist feature by
breaking off the four posts in the square holes in the trim ring (see
figure 4A). When the posts are broken off, the tamper resist tab on
the base is allowed to engage the mounting bracket.
Rotate the alarm onto the mounting bracket until you hear the
tamper resist tab snap into place, locking the alarm on the
mounting bracket. Using the tamper resist feature will help deter
children and others from removing the alarm from bracket. NOTE:
Operating Instructions
To remove the alarm when the tamper resist tab is engaged, press
down on the tamper resist tab, and rotate the alarm off of the
bracket (see figure 4B).
Remove the alarm from the mounting bracket by rotating the
alarm in the direction of the “OFF” arrow on the cover.
If any form of battery failure is detected the red LED light will
flash and the unit will “chirp” once every 60 seconds for at
least 7 days. The "LOW BATTERY" voice occurs once every 15
minutes.The green LED will also be flashing twice per second.
If any form of battery failure is detected, the red LED light will
flash and the unit will "chirp" once every 60 seconds for at
least 7 days. The "LOW BATTERY" voice occurs once every 15
minutes. The green LED will also be flashing twice per second.
Battery Replacement
If the red LED light flashes along with a chirp every 30
seconds, and is not followed by the voice message “LOW
BATTERY” as described above, your unit has
malfunctioned. Call our toll free Product Support Line at
1-800-880-6788 for instructions on how to return the unit.
To replace or install the batteries slide the battery door in the
direction indicated on the cover of the alarm. When installing
new batteries into the carrier, make sure that the polarity
matches the markings printed on the inside of the battery
compartment, press the battery reminder finger down into the
battery compartment and install the battery (see Figure 6).
Completely slide the battery door to the closed position. A
missing or improperly installed battery will prevent the battery
door from closing and result in improper alarm operation.
Replace batteries with one of the following approved brands:
Duracell MN1500, MX1500 or Energizer E91. These batteries
can be purchased at your local retailer.
WARNING! Use only the
batteries specified. Use of
different batteries may have a
detrimental effect on the
Smoke/CO alarm. A good
safety measure is to replace the
batteries twice a year, at the
same time. A good safety
measure is to replace the
batteries twice a year, at the same time you change your clocks
for daylight saving time.
Battery Replacement
IMPORTANT: Constant exposures to high or low
humidity may reduce battery life. A good safety
measure is to replace the battery at least once a year,
or at the same time as you change your clocks for
daylight saving time.
Alarm Replacement
End of Life Notification
Ten (10) years after unit is first powered, this alarm will beep
two times every 30 seconds to indicate it is time to replace the
End of Life Hush can be activated by pushing the test
button to silence the End of Life chirp for approximately
3 days at a time for a maximum of 30 day life extension.
General Maintenance
To keep your Smoke/CO Alarm in good working order, please
follow these simple steps:
• Verify the unit's alarm and LED lights operation by pushing
the test/reset button once a week.
• Remove the unit from mounting bracket and vacuum the alarm
cover and vents with a soft brush attachment once a month to
• Never use detergents or other solvents to clean the unit.
• Avoid spraying air fresheners, hair spray, or other aerosols
near the Smoke/CO Alarm.
Do not paint the unit. Paint will seal the vents and interfere
with the sensor’s ability to detect smoke and CO. Never attempt
to disassemble the unit or clean inside. This action will void your
Move the Smoke/CO Alarm and place in another location prior
to performing any of the following:
• Staining or stripping wood floors or furniture
• Painting or wall papering
• Using adhesives
Storing the unit in a plastic bag during any of the above
projects will protect the sensors from damage. Do not place
near a diaper pail.
WARNING: Reinstall the Smoke/CO Alarm as soon as
possible to assure continuous protection.
When household cleaning supplies or similar contaminates are
used, the area must be well ventilated. The following
substances can effect the CO sensor and may cause false
readings and damage to the sensor:
Methane, propane, iso-butane, iso-propanol, ethyl acetate,
hydrogen sulfide, sulfide dioxides, alcohol based products,
paints, thinner, solvents, adhesives, hair spray, after shave,
perfume, and some cleaning agents.
Carbon Monoxide Safety Information
General CO Information
Carbon monoxide (CO) is a colorless, odorless, and tasteless
poison gas that can be fatal when inhaled. CO inhibits the
blood’s capacity to carry oxygen.
Possible Sources
CO can be produced when burning any fossil fuel: gasoline,
propane, natural gas, oil and wood. It can be produced by any
fuel-burning appliance that is malfunctioning, improperly
installed, or not ventilated correctly. Possible sources include
furnaces, gas ranges/stoves, gas clothes dryers, water heaters,
portable fuel burning space heaters, fireplaces, wood-burning
stoves and certain swimming pool heaters. Blocked chimneys or
flues, back drafting and changes in air pressure, corroded or
disconnected vent pipes, and a loose or cracked furnace
exchanger can also cause CO. Vehicles and other combustion
engines running in an attached garage and using a charcoal/gas
grill or hibachi in an enclosed area are all possible sources of CO.
The following conditions can result in transient CO situations:
Excessive spillage or reverse venting of fuel-burning appliances
caused by outdoor ambient conditions such as: Wind direction
and/or velocity, including high gusts of wind, heavy air in the
vent pipes (cold/humid air with extended periods between
cycles), negative pressure differential resulting from the use of
exhaust fans, simultaneous operation of several fuel-burning
appliances competing for limited internal air, vent pipe
connections vibrating loose from clothes dryers, furnaces, or
water heaters, obstructions in, or unconventional, vent pipe
designs which can amplify the above situations, extended
operation of unvented fuel-burning devices (range, oven,
fireplace, etc.), temperature inversions which can trap exhaust
gasses near the ground, car idling in an open or closed
attached garage, or near a home.
Carbon Monoxide Safety Information
CO Safety Tips
Every year have the heating system, vents, chimney and flue
inspected and cleaned by a qualified technician.
Always install appliances according to manufacturer’s
instructions and adhere to local building codes. Most appliances
should be installed by professionals and inspected after
installation. Regularly examine vents and chimneys for improper
connections, visible rust, or stains, and check for cracks in
furnace heat exchangers. Verify the color of flame on pilot
lights and burners is blue. A yellow or orange flame is a sign
that the fuel is not burning completely. Teach all household
members what the alarm sounds like and how to respond.
Symptoms of CO Poisoning
Initial carbon monoxide poisoning symptoms are similar to the
flu with no fever and can include dizziness, severe headaches,
nausea, vomiting and disorientation. Everyone is susceptible but
experts agree that unborn babies, pregnant women, senior
citizens and people with heart or respiratory problems are
especially vulnerable. If symptoms of carbon monoxide
poisoning are experienced seek medical attention immediately.
CO poisoning can be determined by a carboxyhemoglobin test.
The following symptoms are related to CARBON MONOXIDE
POISONING and should be discussed with ALL members of the
1. Mild Exposure: Slight headache, nausea,vomiting, fatigue
(often described as “Flu-like” symptoms).
2. Medium Exposure: Severe throbbing headache,
drowsiness, confusion, fast heart rate.
3. Extreme Exposure: Unconsciousness, convulsions,
cardiorespiratory failure, death.
The above levels of exposure relate to healthy adults. Levels
differ for those at high risk. Exposure to high levels of carbon
monoxide can be fatal or cause permanent damage and
Carbon Monoxide Safety Information
Many cases of reported carbon monoxide poisoning indicate
that while victims are aware they are not well, they become so
disoriented they are unable to save themselves by either exiting
the building, or calling for assistance. Also, young children and
household pets may be the first effected. Familiarization with
the effects of each level is important.
Fire Safety Information
Escape Plan
Familiarize everyone with the sound of the smoke alarm and train
them to leave the 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 children. It is important they know what to do.
Know two ways out of every room (door & window) and identify a
meeting place outside the home where everyone will gather once
they have exited the residence. When two people have reached the
meeting place, one should leave to call 911 while the second
person stays to account for additional family members.
Current studies have shown smoke alarms may not awaken all
sleeping individuals, and that it is the responsibility of individuals in the
household that are capable of assisting others to provide assistance to
those who may not be awakened by the alarm sound, or to those
who may be incapable of safely evacuating the area unassisted.
Fire Safety Information
Fire Prevention
Never smoke in bed, or leave cooking food unattended. Teach
children never to play with matches or lighters!
Train everyone in the home to recognize the alarm pattern,
voice message warning and to leave the home using their
escape plan when it’s heard.
Know how to do “Stop, Drop and Roll” if clothes catch on fire,
and how to crawl low under smoke.
Install and maintain fire extinguishers on every level of the home
and in the kitchen, basement and garage. Know how to use a
fire extinguisher prior to an emergency. Second level and higher
occupied rooms with windows, should have an escape ladder.
Fire Safety Information
NFPA (National Fire Protection Association) Required
Number of Smoke Alarms
Smoke Detection. Where required by applicable laws, codes, or
standards for the specified occupancy, approved single- and
multiple-station smoke alarms shall be installed as follows: (1) In
all sleeping rooms. (2) Outside of each separate sleeping area, in
immediate vicinity of the sleeping rooms. (3) On each level of the
dwelling unit, including basements Exception: In existing one- and
two-family dwelling units, approved smoke alarms powered by
batteries are permitted. Check with local officials for specific
regulations concerning your situation.
The required number of smoke alarms (protected areas mentioned
on the previous page) might not be reliable enough to provide
early warning for unprotected areas that are separated by a door.
For this reason, it is recommended that the householder consider
the use of additional smoke alarms for those unprotected areas,
for increased protection. Additional areas include the basement,
bedrooms, dining room, furnace room, utility room, and hallways
not protected by the required number of smoke alarms.
The installation of smoke alarms in kitchens, attics (finished or
unfinished), or garages is not normally recommended, as these
locations occasionally experience conditions that can result in
improper operation.
Ionization type smoke alarms use a very small amount of a
radioactive element in the sensing chamber to enable detection of
visible and invisible combustion products. The radioactive element
is safely contained in the chamber and requires no adjustments or
maintenance. This smoke alarm meets or exceeds all government
standards. It is manufactured and distributed under license from
the U.S. Nuclear Regulatory Commission.
Limited Warranty
Ten Year Limited Warranty
If after reviewing this manual you feel that your alarm is defective in any way, do not
tamper with the unit. In many cases, the quickest way to exchange your alarm is to
return it to the original place of purchase. Alternatively, you may return it for servicing
to Kidde. If you have questions, call Kidde Product Support Line at 1-800-880-6788.
Kidde warrants that the enclosed alarm (but not the batteries) will be free from defects
in material and workmanship or design under normal use and service for a period of
ten years from the date of purchase. The obligation of Kidde under this warranty is
limited to repairing or replacing the alarm or any part which we find to be defective in
material, workmanship or design, free of charge, upon sending the alarm with proof
of date of purchase, postage and return postage prepaid, to: Kidde Canada Inc., P.O.
Box 40, Apsley, ON K0L 1A0.
This warranty shall not apply to the alarm if it has been damaged, modified, abused or
altered after the date of purchase or if it fails to operate due to improper maintenance
or inadequate D.C. power. Any implied warranties arising out of this sale, including but
not limited to the implied warranties of description,merchantability and fitness for a
particular purpose, are limited in duration to the above warranty period. In no event
shall the Manufacturer be liable for loss of use of this product or for any indirect,
special, incidental or consequential damages, or costs, or expenses incurred by the
consumer or any other user of this product, whether due to a breach of contract,
negligence, strict liability in tort or otherwise. The Manufacturer shall have no liability
for any personal injury, property damage or any special, incidental, contingent or
consequential damage of any kind resulting from gas leakage, fire or explosion.
Since some provinces do not allow limitations of the duration of an implied warranty
or do not allow the exclusion or limitation of incidental or consequential damages, the
above limitations or exclusions may not apply to you. While this warranty gives you
specific legal rights, you may also have other rights which vary from province to
province. The above warranty may not be altered except in writing signed by both
parties hereto.
Your Kidde Combination Smoke and Carbon Monoxide Alarm is not a substitute for
property, disability, life or other insurance of any kind. Appropriate insurance coverage
is your responsibility. Consult your insurance agent. Removal of the front cover will void
your warranty.
Kidde Canada Inc., P.O. Box 40, Apsley, ON K0L1A0
Call our Product Support Line at 1-800-880-6788 or contact
us at our website at www.kiddecanada.com
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