Kidde Carbon Monoxide Alarm KN COPD 3 UK User Manual

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AC Powered with Battery Backup  
Carbon Monoxide  
Alarm  
User’s Guide  
with Digital Display, Peak Level Memory, and Battery Backup  
Model: KN-COPD-3-UK  
KM 98848  
EN50291:2001  
Includes a  
9 Volt Battery  
For questions concerning your Alarm, please  
call Kidde Safety Europe on 01753 685148  
Please have the following information  
ready when calling:  
Alarm Model number (located on front of alarm):  
Alarm Assembly number (located on back of alarm):  
Date of Manufacture (located on the back of the alarm):  
Date of Purchase:  
Where Purchased:  
Attention: Please take a few minutes to thoroughly read this manual, which should be saved for future  
reference and passed on to any subsequent owner. If you have any questions about the operation or instal-  
lation of your alarm, please call Kidde Safety Europe on 01753 685148  
820-1196 REV. A  
2520-7203-00  
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IMPORTANT  
THIS CARBON MONOXIDE ALARM IS DESIGNED TO DETECT  
CARBON MONOXIDE GAS FROM ANY SOURCE OF IMPROPER  
OR MALFUNCTIONING APPLIANCES. IT WILL NOT SENSE  
SMOKE, FIRE, OR ANY POISONOUS GAS OTHER THAN CAR-  
BON MONOXIDE. FOR THIS REASON YOU MUST INSTALL  
SMOKE ALARMS TO PROVIDE EARLY WARNING OF FIRE AND  
TO PROTECT YOU AND YOUR FAMILY FROM FIRE AND ITS  
RELATED HAZARDS.  
WARNING!  
THIS UNIT IS NOT A SMOKE ALARM. IT WILL NOT SENSE  
SMOKE OR FIRE. IT IS NOT A SUBSTITUTE FOR INSTALLING  
AND MAINTAINING AN APPROPRIATE NUMBER OF SMOKE  
ALARMS IN YOUR HOME. FOR EARLY WARNING OF FIRE, YOU  
MUST INSTALL SMOKE ALARMS EVEN THOUGH CARBON  
MONOXIDE CAN BE GENERATED BY FIRE.  
THIS PRODUCT IS INTENDED FOR USE IN ORDINARY INDOOR  
RESIDENTIAL AREAS. IT IS NOT DESIGNED TO MEASURE  
COMPLIANCE WITH COMMERCIAL AND INDUSTRIAL STAN-  
DARDS.  
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.  
INDIVIDUALS WITH MEDICAL PROBLEMS MAY CONSIDER USING  
WARNING DEVICES WHICH PROVIDE AUDIBLE AND VISUAL SIG-  
NALS FOR CARBON MONOXIDE CONCENTRATIONS UNDER 30  
PPM.  
THIS ALARM WILL NOT WORK WITHOUT POWER. THIS ALARM  
REQUIRES A CONTINUOUS SUPPLY OF POWER. DURING A  
POWER OUTAGE, UNIT WILL OPERATE FOR AT LEAST 20  
HOURS ON A 9 VOLT BATTERY WITH FULL CAPACITY.  
ELECTRICAL SHOCK OR MALFUNCTION MAY OCCUR IF TAM-  
PERED WITH, OR NOT INSTALLED IN ACCORDANCE WITH  
MANUFACTURERS INSTRUCTIONS.  
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Quick Set Up Guide  
We urge you to read this entire manual in the sequence it is presented.  
Listed below are five easy steps for setting up your Kidde CO Alarm. Please read  
this entire guide for complete information.  
Note: This CO alarm must be installed by a competent person.  
Step 1  
-
Determine the best location for your CO alarm(s). Refer to  
Installation, Where to Install Your Alarm for complete information.  
Install the 9 volt backup battery. To install the battery, open the back  
Step 2  
-
cover and snap the battery connector onto the battery. You will hear the alarm  
sound briefly to indicate the unit is receiving power. At power up, you will see a  
flashing red dot and three eights in the digital display indicating the alarm is warm-  
ing up. After approximately 20 seconds the unit will start sampling for CO. During  
this period a number will appear on the digital display. The number on the digital  
display should be zero (0). See “Normal Operating Characteristics” for complete  
information on operating characteristics.  
Place the battery into the battery compartment and replace the back cover.  
IMPORTANT!  
A small screwdriver or similar tool may be required to remove the back cover. The back  
cover should be levered up from the centre recess at the bottom of the alarm. The cover is  
designed this way to discourage the removal of batteries, or tampering, by young children.  
Step 3  
-
Determine how you want to mount the alarm. Your CO alarm is  
equipped to be mounted as a corded, a direct plug, or a table top unit. Refer to  
Installation, How to Install your Alarm for complete instructions about how to  
configure your alarm for installation.  
Step 4  
-
Install the alarm. Plug the alarm into a standard un-switched 230 volt  
AC electrical outlet in one of the alarm configurations listed in step 3. Wait 2 to 3  
minutes after power up and make sure the red dot in the digital display is blinking.  
Step 5 - Test the unit’s operation by pressing and releasing the Test/Reset  
button. Within 15 seconds you will hear 8 seconds of quick beeps.  
While testing the alarm, have someone else check that the alarm can be heard  
easily from the sleeping areas. The unit should be located where it can wake you  
if it alarms at night.  
Your alarm is now monitoring for the presence of CO.  
For complete testing information, refer to How to Test Your CO Alarm” section.  
Caution: Continuous exposure to the loud 85 decibel alarm at close range over  
an extended period of time may cause hearing loss. We recommend that you  
cover the front of the unit while testing the alarm with the palm of your hand.  
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Introduction  
This Kidde Carbon Monoxide (CO) Alarm is an important part of your family’s  
home safety plan. Here are some basic facts you should know for your pro-  
tection and convenience  
Carbon Monoxide  
Carbon monoxide is invisible, odourless, tasteless, nonirritating, poisonous  
gas that is completely undetectable to your senses. It is created when any fuel  
is burned. When oxygen is limited during combustion, more CO is produced.  
Serious problems can develop when combustion by-products are not properly  
vented outside the house. That’s why it’s so important to your safety that  
you have a CO alarm.  
Front view  
Blinking  
Red Dot  
Digital  
Display  
Alarm  
Fault  
Peak Level  
Button  
Power  
Test/Reset  
Button  
Rear view  
Rear view with back door removed  
Removable  
Adapter  
Battery  
Connector  
Cord  
Recess  
9 volt  
Backup  
Battery  
Power  
Cord  
Adapter  
Cord Strain  
Relief  
Back Door  
Key Holes  
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Features  
Your CO Alarm  
The feature that sets this Kidde alarm apart from other alarms is the  
unique digital display that gives you a continuous readout of CO levels  
from 30-999 parts per million. The digital display serves as an early  
warning of CO presence.  
This Kidde alarm gives you the choice of a direct-plug unit, a wall  
mount unit, or tabletop unit all in one.  
Kidde CO Alarm Unique Features  
Digital Display  
The continuous digital display indicates the level of carbon monoxide (if  
any) the unit is sensing. The unit updates this reading every 15 sec-  
onds so you can watch CO levels rise or fall.  
Note: If the unit does not sense any CO, the display reading is zero (0).  
In most homes, the unit reads “0” all the time. A reading of “0” is  
expected under normal conditions, and is good. The blinking dot after  
the number indicates that the unit is operating.  
Test/Reset Button  
This button has two functions. First, this is the button you press when  
you test the unit weekly (see “How to test your CO Alarm” section). It’s  
also used when resetting the peak level memory.  
Peak Level Button  
By pressing this button, you can see the peak CO level recorded by the  
alarm since it was last cleared or unplugged. This Kidde alarm feature  
allows you (or heating contractor or fireman) to see exactly how big a  
CO problem you have so you can react accordingly.  
Sensors  
The CO sensor is a highly sensitive, electrochemical sensor that is CO  
specific to help avoid false alarms.  
Sounder Alarm  
This is the loud 85 decibel pulsing alarm that will sound to alert you to a  
potential problem.  
Pullout Transformer/Adapter  
This unique Kidde alarm feature enables the alarm to be used as a  
direct plug unit, a wall mounted unit or a tabletop unit.  
9 Volt Backup Battery  
This CO Alarm is not battery operated. The 9 volt battery is to supply a  
short-term backup power during a power cut. In the event of a power cut,  
a fully charged 9 volt battery will continue operating the alarm for at least  
20 hours, during battery backup conditions.  
When installing a fresh battery, use either an Energizer 522, Duracell MX1604  
or MN1604, or for extended battery life an Ultralife lithium power cell model  
U9VL. Any of these batteries can usually be purchased where you bought the  
alarm or at your local hardware store.  
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Features  
What Carbon Monoxide Can and Cannot Do  
This unit is designed to sense certain levels of CO from malfunctioning  
furnaces, appliances, gas engines or other sources. This unit will pro-  
vide early warning of the presence of carbon monoxide, usually before  
a healthy adult would experience symptoms.  
This early warning is possible only if your Kidde CO Alarm is located,  
installed and maintained as described in this user’s guide.  
When on AC power, this unit is designed to act as a continuous moni-  
tor; it is not designed for use as a short-term testing device to perform  
a quick check for the presence of CO.  
CO Alarms have a limited operational life. You must test your alarm  
weekly, because it could fail to operate at any time. If it does fail to test  
properly, or if its self-diagnostic test reveals a malfunction, immediately  
have the unit replaced. See the back page for warranty information.  
CO Alarms can only sense CO that reaches the unit’s sensor. CO may  
be present in other areas without reaching the alarm. Doors or other  
obstructions may affect the rate at which CO reaches the unit. In addi-  
tion, fresh air from a vent or open window or any other source may pre-  
vent CO from reaching the sensor. Please observe cautions in the  
Where to install your alarm” section.  
CO could be present on one level of the home and not reach the alarm  
installed on a different level. For example, CO in the basement may not  
reach an alarm on the second level, near the bedrooms. For this rea-  
son, we recommend you provide complete coverage by placing a CO  
Alarm on every level of the home.  
This unit is not a smoke alarm. It will not sense smoke or fire. For early  
warning of fire you must install smoke alarms, even though a fire can  
generate carbon monoxide.  
CO alarms are not a substitute for property, disability, life or other insur-  
ance of any kind. Appropriate insurance coverage is your responsibility.  
Consult your insurance company.  
Where to Install Your CO Alarm  
RECOMMENDED LOCATIONS  
DINING  
KITCHEN BEDROOM BEDROOM  
LIVING ROOM  
BEDROOM  
WHEN CHOOSING YOUR INSTALLATION LOCATIONS, MAKE SURE  
YOU CAN HEAR THE ALARM FROM ALL SLEEPING AREAS.  
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Installation  
Mounting Configuration  
LOCATION  
Your Kidde CO Alarm should be mounted in or near bedrooms and liv-  
ing areas or wherever you suspect a CO exposure to be likely. It is rec-  
ommended that you install a Kidde CO Alarm on each level of a multi-  
level home.  
CAUTION: This alarm will only indicate the presence of CO at the sen-  
sor. Carbon monoxide may be present in other areas.  
IMPORTANT: Improper location can affect the sensitive electronic com-  
ponents in this alarm. Please see the next section describing where  
NOT to install this alarm.  
Where Not to Install Your CO Alarm  
To avoid causing damage to the unit, to provide optimum protection,  
and to prevent unnecessary alarms, follow the directions below where  
NOT to install this alarm:  
It is not recommended that you install this CO Alarm in garages or  
kitchens. Installation in these areas could lead to nuisance alarms, may  
expose the sensor to substances that could damage or contaminate it,  
or the alarm may not be heard by persons in other areas of the home,  
especially if they are sleeping.  
In the garage, vehicle exhaust can contain some CO. These levels are  
higher when the engine is first started. Within hours of starting a vehicle  
and backing it out of the garage, the level of remaining CO present can  
activate the alarm and cause a nuisance alarm.  
In the kitchen, some gas appliances can emit a short burst of CO upon  
start-up. This is normal. If your CO Alarm is mounted too close to these  
appliances, it may alarm often and become a nuisance.  
If you must install a Kidde CO Alarm near a cooking or heating appli-  
ance, install AT LEAST 1.5 metres (5 feet) away from the appliance.  
Do not install the alarm in excessively dusty, dirty or greasy areas such  
as kitchens, garages and boiler rooms. Dust grease or household  
chemicals can contaminate or coat the alarm’s sensors, causing the  
alarm not to operate properly.  
Do not obstruct the vents on the alarm. Place the alarm where drapes,  
furniture or other objects do not block the flow of air to the vents.  
Do not install in dead air spaces, such as peaks of vaulted ceilings, a  
gabled roof or within 15.2 cm (6”) of ceiling, where CO may not reach  
the sensor in time to provide early warning.  
Do not install in turbulent air from ceiling fans. Do not install near doors  
and windows that open to the outside, near fresh air vents, or anywhere  
that is drafty. Rapid air circulation from fans or fresh air from outside  
may cause the sensors to display an inaccurate reading.  
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Installation  
Do not install this alarm to a switch- or dimmer-controlled outlet if pos-  
sible.  
Do not install in areas where the temperature is colder than 4.4°C  
(40°F) or hotter than 37.8°C (100°F). These areas include uncondi-  
tioned crawl spaces, attics, porches and garages. Extreme tempera-  
tures will affect the sensitivity of the alarm.  
Do not install this unit near deep cell large batteries. Large batteries  
have emissions that can cause the alarm to perform at less than opti-  
mum performance.  
Avoid the following:  
• Excessive spillage or reverse venting of fuel burning appliances  
caused by outdoor ambient conditions, such as:  
1) Wind direction and/or velocity, including high gusts of wind.  
Heavy air in the vent pipes (cold/humid air with extended periods  
between cycles).  
2) Negative pressure differential resulting from the use of exhaust  
fans.  
3) Simultaneous operation of several fuel burning appliances com-  
peting for limited internal air.  
4) Vent pipe connections vibrating loose from a clothes drier, fur-  
nace or water heater.  
5) 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 that can trap exhaust gasses near the  
ground.  
• Car idling in an open or closed attached garage, or near a home.  
How to Install Your CO Alarm  
Your Kidde CO Alarm with its removable adapter allows you to install  
the alarm as a wall mounted unit, a direct plug unit, or as a table top  
unit.  
Refer to Where to Install Your CO Alarm for general guidelines.  
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Installation  
Direct Plug Alarm  
In its “as shipped” configuration, your Kidde CO Alarm is ready to be  
plugged directly into a wall-mains socket.  
To install:  
1.) Choose a standard unswitched 230V electrical outlet to plug the  
alarm into.  
2.) Plug the alarm in.  
Note: Do not cover the alarm with a curtain or other obstruction.  
Wall Mounted Alarm  
For a wall-mount, you will need to pull out the removable adapter and  
power cord. This simple process is described on the following pages.  
Installation tips for power cord models:  
The power cord option provides more flexibility in mounting locations  
and allows the alarm to be easily installed at eye level.  
Note: If you mount the alarm high on a wall, make sure it is at least  
15.2 cm (6") from the ceiling. Any higher than this, it will be in “dead air  
space” and CO may not reach the sensors.  
To remove the adapter and install:  
1. With the bottom of the unit facing you (adapter at top), use a small  
screwdriver or similar tool to pry the back cover up to release it.  
2. Remove the back cover.  
3. Next, place your thumb on the adapter  
thumb release and pull the adapter  
thumb release out slightly. Pull the  
adapter out of the alarm with your other  
hand.  
4. With the adapter removed, pull the power  
cord out of the cord recess, remove the  
twist tie, and extend the power cord.  
Adapter Release  
5. With the power cord extended, tuck the last few inches of the power  
cord into the cord recess (See the illustration on page 4). Gently  
pull the cord at the bottom of the cord recess until the cord  
becomes taught and lays flat in cord recess.  
6. Using the back cover, mark the location for the two mounting holes  
on the wall.  
WALL  
7. If you are mounting the alarm in plaster board or  
drywall, drill a 4.8 mm (3/16") hole into the wall and  
insert the plastic anchors provided. Install the two  
screws provided into the wall or wall anchors until  
the screw head is approximately 3 mm (1/8") from  
1/8"  
the wall.  
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Installation  
8. Hook the keyhole in the back cover over the screw head before or  
after replacing the back cover on the unit.  
9. Plug the adapter into an unswitched wall socket.  
Table Top Alarm  
You can also use your Kidde CO Alarm as a table top unit. Simply fol-  
low the steps for removing adapter, then instead of mounting the alarm  
to a wall, replace the back cover and stand the unit on a table, bed-  
side stand, or chest of drawers.  
Normal Operating Characteristics  
When you first power up the unit, the alarm will sound briefly to let you  
know the unit is receiving power and that the alarm circuit is function-  
ing.  
You should see three eights on the digital display, indicating the alarm  
is in the start-up mode. The three eights will remain for approximately  
20 seconds. You should see a blinking red dot to the lower right of the  
digital display. The blinking dot indicates that the alarm is operating.  
Within 20 seconds, your CO alarm will start monitoring for CO.  
Note: The number will probably be zero (0). This is a normal condition  
for most households and indicates that no measurable amount of CO is  
being detected.  
The alarm has begun monitoring the air for CO and will continue to do  
so as long as it receives power.  
When the alarm is unplugged or loses power and you have a good 9  
volt battery installed, the alarm will automatically switch to its battery  
backup mode and you will notice the following:  
• After 4 minutes the digital display will show a blinking dot only – this  
helps conserve the battery’s power.  
• The digital display will show a number for CO only if it senses CO  
while in backup mode.  
• If CO is detected while on battery backup, the alarm pattern is con-  
tinuous quick beeps .  
Note: When AC power is restored, the alarm will automatically switch  
back to normal operating mode.  
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Normal Operation  
Low Battery Warning  
If the 9 volt battery is missing, or if the battery’s power is low, an “Lb”  
message will display which blinks alternately with the current CO read-  
ing every second. If this happens, you need to replace the battery.  
When you have a low battery installed, you will notice the following:  
• A blinking dot will be displayed and the sounder will chirp every 15  
seconds.  
• The yellow LED will blink once every 15 seconds.  
• The display will alternate between “Lb.” (low battery) and CO reading  
while chirping.  
When battery is depleted and the unit is not receiving AC mains power:  
• A blinking dot will be displayed and the sounder will chirp approxi-  
mately every 30 seconds.  
• The yellow LED will flash approximately every 30 seconds.  
• Pressing the test button will not elicit any response.  
The alarm will not detect CO if the battery is depleted. Replace the bat-  
tery and plug the unit back into the AC outlet.  
Constant exposures to high or low humidity may reduce battery life. We  
recommend you replace your 9 volt battery at least every six months.  
How to Test Your CO Alarm  
You should test the alarm once a week, following the directions listed  
below. If at any time you test the alarm and it does not perform as  
described, have it replaced immediately.  
Turn to “How to know if your alarm is malfunctioning” section for a  
description of the characteristics of a malfunctioning alarm and what  
you should do if a malfunction occurs.  
Observe the alarm weekly to make sure the red dot is blinking, indicat-  
ing normal operation.  
If the dot is not blinking, unplug the alarm for three minutes, and then  
plug it in again. This will clear the alarm for restart. If the dot does not  
resume blinking, your alarm may be malfunctioning.  
To test the alarm, press the Test/Reset button. If the unit is operating  
properly, you should notice the following:  
The unit will beep and the yellow LED will flash acknowledging the but-  
ton was pressed and the self test has started. The display indicates  
three eights, then displays a number (usually around 200). You should  
then hear 8 seconds of quick beeps. The unit will then show the three  
eights for several seconds. It will then return to monitoring for CO.  
Familiarize yourself and household members with the alarm pattern  
described above for a CO event.  
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Normal Operation  
While on AC power, in the event of a CO incident, the alarm pattern will  
continue to repeat as long as CO is present.  
NOTE: Pressing the Test/Reset button tests the functions of the alarm’s  
internal components, circuitry and micro-computer.  
YOU DO NOT NEED TO PRESS THE TEST BUTTON TO TAKE A CO  
READING. CO readings are automatically shown on the alarm’s digital  
display. If the alarm indicates zero (0), then no measurable amount of  
CO has been sensed by the alarm within the past 15 seconds.  
How to Know If Your Alarm is Malfunctioning  
Your alarm performs an internal self-diagnosis every 15 seconds to  
make sure that it is functioning properly. The alarm is designed to alert  
you in the unusual event of a malfunction.  
If the alarm malfunctions  
In the rare event that your alarm malfunctions, it will alert you with one  
of these signal groups (depending upon the type of malfunction that  
occurs):  
Malfunction Signal Group 1 - Component Failure  
– An intermittent “chirping” alarm will sound every 30 seconds.  
– An “Err” message will appear on the digital display,  
– The yellow LED will light continuously, and  
– The unit does not respond to pressing the Test button.  
OR,  
Malfunction Signal Group 2 - Microprocessor Failure  
– The alarm will sound continuously,  
– The digital display will be blank,  
– The yellow LED will light continuously  
– The alarm cannot be shut off by pushing “Test/Reset” button, and,  
– The unit is receiving sufficient power from the 230 volt outlet or  
fresh battery.  
Unplug the alarm immediately and return for warranty exchange (see  
“Warranty” on back page).  
What to do if you’re not sure...  
PLEASE familiarize yourself with the malfunction alert, Do not confuse  
these signals with an alarm. After reading the information above, if you  
are still unsure whether your alarm is operating properly, call the Kidde  
Freephone Customer Hotline at 0800 917 0722 to do a quick diagnostic  
check of the alarm over the phone. The customer service representa-  
tive will be able to assist you and answer your questions.  
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Normal Operation  
If your alarm sounder is beeping, and you are not sure if it is a CO  
alarm or a malfunction alert, reset the alarm, open windows for ventila-  
tion and evacuate the premises immediately. Then call the Kidde  
Freephone Customer Hotline at 0800 917 0722 for assistance.  
Never ignore an alarm. A true alarm is an indication of potentially dan-  
gerous levels of CO.  
How to Care for Your Alarm  
To keep your alarm in good working order, you must follow these sim-  
ple steps:  
Test the alarm once a week by pressing the Test/Reset button.  
• Vacuum the alarm cover once a month to remove accumulated dust.  
Unplug the alarm from the electrical outlet and use the soft brush  
attachment of your vacuum cleaner.  
• Instruct children never to touch, unplug, or otherwise interfere with the  
alarm.  
• Never use detergents or solvents to clean the alarm. Chemicals can  
permanently damage or temporarily contaminate the sensor.  
• Avoid spraying air freshener, hair spray, paint or other aerosols near  
the alarm.  
• Do not paint the alarm. Paint will seal the vents and interfere with  
proper sensor operation.  
• Do not mount the alarm directly above or near a nappy pail.  
Note: If you will be staining or stripping wood floors or furniture, paint-  
ing, wall-papering, or using aerosols or adhesives for a do-it-yourself  
project or hobby, before you begin:  
Remove the alarm to a remote location to prevent possible damage to  
or contamination of the sensor. You may wish to unplug the alarm and  
store in a plastic bag during the project.  
The following is a list of substances that at high levels can affect the  
sensor and cause an alarm.  
Methane, propane, iso-butane, ethylene, ethanol, alcohol, carbon  
monoxide, iso-propanol, benzene, toluene, ethyl acetate, hydrogen,  
hydrogen sulfide, sulfur dioxides.  
Most aerosol sprays, alcohol based products, fresh paint, thinner, sol-  
vent, adhesive, hair spray, aftershave, perfume, auto exhaust (cold  
start) and some cleaning agents.  
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Normal Operation  
The Peak Level Memory Button  
When the Peak button is pressed the unit will display the highest CO  
concentration measured since the peak memory was last reset or the  
unit was powered. Levels between 11 and 999-ppm will be display  
although the unit does not display values below 30-ppm during normal  
operation. Although the peak level will display values below 30ppm the  
unit will never result in an alarm no matter how long the device is  
exposed to these levels. Peak Levels below 30ppm are for reference  
only and the accuracy of the concentration shown may not be as accu-  
rate as noted in the technical information section. DO NOT ignore read-  
ings above 30ppm or an alarming device. Refer to the following section  
“What to Do When The Alarm Sounds”.  
To Reset the Peak Level Memory…  
Step 1. Press the peak level button.  
Step 2. With the peak level button still pressed, press the test/reset but-  
ton for two seconds and release.  
The number on the display will turn to “0”. The memory has now been  
cleared and the alarm will begin monitoring for CO within a few min-  
utes.  
The Effects of CO Exposure  
When you breathe carbon monoxide, it enters your bloodstream  
through your lungs and attaches to red blood cells. These red blood  
cells, called haemoglobin, carry oxygen throughout your body. CO mol-  
ecules attach to the red blood cells 200 times faster than oxygen, pre-  
venting the flow of oxygen to your heart, brain and vital organs. As CO  
accumulates in your bloodstream, your body becomes starved for oxy-  
gen. The amount of CO in a person’s body can be measured by a sim-  
ple blood test, called a “carboxyhaemoglobin level” test .  
The early symptoms of CO poisoning are often mistaken for the flu –  
headache, dizziness, weakness, nausea, vomiting, sleepiness, and  
confusion. Breathing very high concentrations of CO can be lethal in  
minutes.  
Your Family at Risk for CO Poisoning  
Carbon monoxide is the number one cause of poisoning deaths. While  
anyone is susceptible, experts agree that unborn babies, small chil-  
dren, senior citizens and people with heart or respiratory problems are  
especially vulnerable to CO and are at the greatest risk for death or  
serious injury.  
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Normal Operation  
Where CO Comes From  
Inside your home, fuel burning appliances used for heating and cook-  
ing are the most likely sources of CO. Vehicles running in attached  
garages can also produce dangerous levels of carbon monoxide.  
A by-product of combustion, CO can be a potential problem from a  
number of common sources such as – a running automobile, a fur-  
nace or water heater leak or misuse of a fireplace, wood stove, char-  
coal grill, a gas range and space heater leak or misuse, and running  
portable generators where exhaust can enter the home.  
When appliances are in good working condition and with proper venti-  
lation, lethal CO gas is vented outdoors where it quickly disperses.  
Even the slightest malfunction or misuse of any of the above sources  
can lead to a build-up of CO in your home that can become deadly  
before you even know it’s there.  
You don’t have to have ancient appliances to have a CO problem.  
Today’s more energy-efficient, airtight home designs can trap CO pol-  
luted air inside where it can quickly build to lethal levels.  
What You Can do to Protect Your Family  
To be safe, know the possible sources of CO in your home. Keep fuel-  
burning appliances, their chimneys, and vents in good working condi-  
tion. Learn the early symptoms of CO exposure. If you suspect CO  
poisoning, move outside to fresh air and get emergency help. A blood  
test can confirm that CO has caused the symptoms of CO poisoning.  
Your first line of defence is an annual inspection and regular mainte-  
nance of your appliances. Contact a qualified Corgi installer or  
Transco (British Gas) for assistance.  
Remember, problems can begin after an inspection has been complet-  
ed. CO can come from sources such as a crack in a furnace heat  
exchanger, or a leak in a water heater vent or a bird’s nest blocking a  
flue. Other sources of CO are nearly impossible to detect; even a  
change in the air pressure outside can turn a normally safe situation  
deadly. That’s why you need the 24-hour protection provided by a CO  
Alarm.  
Home Safety Tips  
What You Can Do...  
• Buy only appliances approved by a nationally recognized testing  
laboratory.  
• Choose fuel-burning appliances that can be vented to the outdoors.  
• Make sure appliances are installed according to manufacturer’s  
instructions and local building codes. Most appliances should be  
installed by professionals and should be inspected by the proper  
authority after installation.  
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What You Should Know Before the Alarm Sounds  
• Have the heating system, vents, chimney and flue inspected and  
cleaned by a qualified technician every year.  
• Follow manufacturer’s directions for safe operation of all fuel-  
burning appliances.  
• Examine vents and chimneys regularly for improper connections,  
visible rust or stains.  
• Open a window when a fireplace or wood-burning stove is in use,  
and provide adequate outdoor air for furnace and water heater.  
• Notice problems that could indicate improper appliance operation:  
– Decreasing hot water supply  
– Furnace unable to heat house or runs constantly  
– Sooting, especially on appliances  
– Unfamiliar or burning odour  
Yellow or orange flame  
• Be aware of the symptoms of CO poisoning:  
– headaches, dizziness, weakness, sleepiness, nausea, vomiting,  
confusion and disorientation.  
• Recognize that CO poisoning may be the cause when family  
members suffer from flu-like symptoms that don’t disappear but  
improve when they leave home for extended periods of time.  
Be Aware of the Warning Signs of Carbon Monoxide:  
Indicators of Possible CO Leaks  
• Streaks of carbon or soot around the service door of your fuel-  
burning appliances.  
• A yellow or orange flame may indicate a problem with natural gas  
appliances.  
• Excessive rusting on flue pipes or appliance jackets.  
• Loose or missing furnace panel.  
• Moisture collecting on the windows and walls of furnace rooms.  
• Loose or disconnected vent/chimney, fireplace or appliance.  
• Small amounts of water leaking from the base of the chimney,  
vent or flue pipe.  
• Rust on the portion of the vent pipe visible from outside your  
home.  
• The absence of a draft in your chimney (indicating blockage).  
• Fallen soot from the fireplace chimney.  
• Loose, damaged or discoloured bricks on your chimney.  
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What You Should Know Before the Alarm Sounds  
Hidden Causes of CO Emission  
• Internal appliance damage or malfunctioning components  
• Improper burner adjustment  
• Hidden blockage or damage in chimneys  
Determine if anyone in the household is at high-risk for CO poison-  
ing:  
Many cases of reported CO 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 assis-  
tance.  
You should take extra precautions to protect high-risk persons from  
CO exposure because they may experience ill effects from CO at  
levels that would not ordinarily affect a healthy adult. Be sure to  
check infants or small children in the home for signs of possible CO  
poisoning because they might have trouble explaining their symp-  
toms. Infants and children are more susceptible to CO poisoning  
than a healthy adult.  
Pregnant women should be aware that their unborn fetus could be  
harmed by exposure to CO, even when the mother suffers no ill  
effect. Any pregnant woman who suspects she may have been  
exposed to CO should immediately contact her physician.  
What You Should Not Do...  
• Never burn charcoal inside a home, garage, cabin, mobile home  
or caravan.  
• Never install, service, or convert fuel-burning appliances from  
one type to another without proper knowledge, skills and tools.  
• Never use a gas range, oven, or clothes dryer for heating.  
• Never operate unvented gas-burning appliances, such as  
kerosene or natural gas space heaters, in a closed room.  
• Never operate gasoline-powered engines (like vehicles, motorcy-  
cles, lawn mowers, garden equipment, or power tools) in con-  
fined areas such as garages or basements, even if an outside  
door or a window is open.  
• Never ignore a safety device when it shuts off an appliance.  
• Never ignore a CO alarm.  
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The Effects of Carbon Monoxide Exposure  
Anyone in the household who is elderly, has anemia, heart disease,  
respiratory problems, emphysema, or chronic bronchitis, is at a higher  
risk of CO poisoning and health problems from exposure to CO. If any-  
one in the household is at high risk for CO poisoning, we urge you to  
take extra precaution to prevent possible poisoning. You should consid-  
er a more sensitive alarm for your home safety. If the unit alarms or if  
CO readings are shown on the digital display, remove the at-risk person  
from the premises. Ventilate the area.  
The high-risk person(s) should not re-enter the residence until the  
source of the CO problem has been identified and corrected.  
The Effects of Carbon Monoxide Exposure:  
PARTS  
PERCENT  
OF CO  
EFFECTS ON ADULTS  
PER  
MILLION  
100  
200  
400  
Slight headache within 2~3 hours  
0.01  
0.02  
0.04  
Dizziness/mild headache within 2~3 hours  
Nausea/frontal headache within 1~2 hrs.  
RISK TO LIFE OVER 3 HOURS  
800  
1600  
3200  
6400  
12800  
Severe headache/convulsions within 45  
minutes - death possible within 2~3 hours.  
0.08  
0.16  
0.32  
0.64  
1.28  
Headache/nausea within 20 minutes. Death  
possible within 1~2 hours.  
Headache etc. within 5-10 minutes. Death  
possible within 15 minutes.  
Sever symptoms within 2 minutes. Death  
within 15 minutes.  
Death within 1~3 minutes.  
Source: Corgi Gas installers technical article - October 2005  
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W
What To Do When The Alarm Sounds  
h
What to Do When the Alarm Sounds for Carbon Monoxide  
Determine if anyone in the household is experiencing symp-  
toms of CO poisoning. Many cases of reported CO poisoning  
indicate that while victims are aware they are not well, they  
a
t
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 affected. The fol-  
lowing symptoms are related to CARBON MONOXIDE POI-  
SONING and should be discussed with ALL members of the  
t
o
household.  
d
o
WARNING: Actuation of this CO  
Alarm indicates the presence of Carbon  
Monoxide (CO) which can kill you.  
W
h
When the CO Alarm senses a dangerous level of CO, the unit  
will emit a loud alarm pattern and display the concentration of  
CO in parts per million (PPM). The alarm pattern is a series of  
short beeps. This pattern is repeated until the CO concentra-  
tion has dropped to normal level.  
e
n
Know how to respond to a CO emergency. Periodically review  
this user’s guide and discuss it with all members of your fami-  
ly.  
t
h
e
If the Alarm Sounds for Carbon Monoxide:  
1) Operate test/reset button;  
2) Call Transco (British Gas);  
A
l
a
r
m
3) Immediately move to fresh air. Do a head count to check  
that all persons are accounted for. Do not re-enter the  
premises until British Gas responders have arrived, the  
premises have been aired out, and your CO Alarm  
remains in its normal condition.  
4) After following steps 1-3, if your alarm reactivates within a  
24 hour period, repeat steps 1-3 and call a qualified Corgi  
installer to examine and/or turn off your gas/oil fired appli-  
ances such as space heater, boiler, water heater, cooker  
oven, clothes dryer or other source of combustion, such as  
paraffin burning stove or heater or gas log fireplace. If your  
car is idling in an attached garage, turn off the engine.  
5) To investigate for sources of CO from fuel burning equip-  
ment and appliances, and inspect for proper operation of  
this equipment. If problems are identified during this  
inspection have the equipment serviced immediately.  
S
o
u
n
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s
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W
h
a
t
What To Do When The Alarm Sounds  
Note any combustion equipment not inspected by the techni-  
cian and consult the manufacturer’s instructions, or contact  
the manufacturer directly, for more information about CO  
safety and this equipment. Make sure that motor vehicles are  
not, and have not been, operating in an attached garage or  
adjacent to the residence.  
t
o
Treatment for CO Poisoning  
Any person who is suspected to have CO poisoning should  
leave the potentially dangerous environment, get fresh air  
immediately and seek care from a physician. CO poisoning  
can be determined by a simple blood test, called a “carboxy-  
haemoglobin” test. This test measures the amount of CO in  
the bloodstream. For this test to be accurate, it must be done  
immediately after CO exposure. Acute CO poisoning is usu-  
ally treated by breathing in oxygen. When CO poisoning is  
severe, (for example, when there is an altered state of con-  
sciousness), high-pressure oxygen therapy in a special  
“hyperbaric chamber” may be used. A physician will make  
this determination and administer treatment if necessary.  
d
o
W
h
e
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t
h
e
A
l
a
r
m
S
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u
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s
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What To Do When The Alarm Sounds  
Call a Qualified Technician to Find and Repair the Problem  
Call a qualified service technician (such as a licensed heating  
contractor, utility service technician or fuel provider) to inspect  
your home for possible sources of CO leak. Do not restart  
these appliances until the problem is corrected. Request the  
inspection and service for as soon as possible if not immediate-  
ly.  
Please be aware that some service technicians may charge a  
fee to inspect your home, even if the source of CO is not found.  
You may wish to find out if you will be charged for the service  
and the amount of the fee before you request service. Some  
public utilities do not charge for inspection. Some service tech-  
nicians do not charge if you purchased your appliance from  
them. To know for sure, you need to ask before the technician  
comes to your home. Repair work or replacement of appliances  
may be necessary to fix the problem that is creating the CO in  
your home. Remember, a CO Alarm can only warn you of the  
presence of CO, it does not prevent CO from occurring, nor can  
it solve an existing CO problem.  
Because you’ve provided ventilation by leaving your windows  
and doors open, the CO build-up may have dissipated by the  
time help responds. Although your problem may appear to be  
temporarily solved, it’s crucial that the source of the problem is  
determined and appropriate repairs are made.  
Sometimes it’s Difficult to Find the Source of CO in a Home  
It can be difficult for responders to locate the source(s) of CO if:  
–The house was ventilated before they arrived and the fresh  
air caused the CO to dissipate. The peak level function on  
your Kidde CO Alarm helps the responders know how  
severe the problem was before they arrived.  
–The CO problem was caused by a source that fluctuates on  
and off, sometimes creating CO and sometimes not. Such a  
situation makes it nearly impossible to pinpoint the source of  
CO in a short period of time.  
–The cause of CO problem was back drafting – when air in a  
chimney or flue is sucked into the home instead of venting  
outside. The exact situation that created a negative air pres-  
sure inside the home (the cause of back drafting) is difficult  
to recreate during an investigation for CO. Sometimes the  
CO problem disappears when a door or window is opened.  
Back drafting may or may not happen again.  
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Technical Information  
Product Specifications  
Power:  
Sensor:  
230V AC units: 50 Hz, Current 120 mA max.  
CO sensor calibrated at 150 ppm ( 25 ppm).  
Temperature: Operating range: 40˚F (4.4˚C) to 100˚F (37.8˚C).  
Mounting:  
Accessories supplied for wall mount or direct plug  
applications.  
Alarm:  
85+ dB at 10’ @ 3.4 0.5 KHz pulsing alarm. In alarm  
condition for CO you will hear a repeating pattern of quick  
beeps.  
LED Operation: Blinking dot on display denotes normal operation. Display  
readings from 30-999 during elevated CO concentrations  
Red LED flashes in unison with alarm sounder during alarm  
and fault modes.  
Green LED is on constantly while the unit is powered with  
230 volts and flashes every 15 seconds while on battery  
backup.  
Yellow LED flashes when the battery is low and is on  
constantly when the alarm malfunctions.  
Battery Backup:  
A 9 volt battery is needed. If battery is low or missing while  
the unit is plugged into a 230V outlet, an “Lb” message will  
display which will blink alternately with a the CO reading  
every second and the sounder will chirp every 15 seconds.  
Unit Malfunction:  
“Err” error message will display. Intermittent alarm will  
sound every 30 seconds.  
Test/Reset Button:  
Test button verifies proper unit operation and resets the unit  
in the event of a CO Alarm.  
Peak Level Memory Button:  
When pressed, LED will display the highest CO ppm level  
detected since unit was powered up or since unit was  
reset with test button. Reading will be stored in memory  
as long as unit is not reset or unplugged. Any CO concen-  
tration detected from 11-999 will be displayed  
Size:  
15.2 cm (6”)L x 3.75”W x 1.8”H. Wt. 1 lb.  
Warranty:  
Five-year warranty from date of purchase against defects in  
material and workmanship.  
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Technical Information  
How the Unit Determines When to Alarm  
Your Kidde alarm uses advanced technology to monitor the environ-  
ment in your home and warn you of certain levels of CO. An internal  
microcomputer works together with the sensors inside the alarm to  
determine the levels of CO in the air. The microcomputer is calibrated  
to trigger the unit’s alarm before most people would experience any  
symptoms of CO poisoning.  
This Kidde alarm meets the alarm response time  
requirements as follows for CO:  
At 30 PPM, the unit cannot alarm in less than 120 minutes  
At 50 PPM, the unit must alarm within 60-90 minutes  
At 100 PPM, the unit must alarm within 10-40 minutes  
At 300 PPM, the unit must alarm within 3 minutes.  
Accuracy of the Digital Display  
Each Kidde CO Alarm is calibrated at a CO concentration of 150 ppm  
in air, at 80° F (+/- 10° F) and 40% (+/- 3%) relative humidity.  
Depending on the ambient condition (temperature, humidity) and the  
condition of the sensor, the alarm readings may vary.  
The digital reading tolerances are:  
Ambient: 80° F (+/- 10° F), atmospheric pressure +/- 10%, 40% +/- 3%  
relative humidity  
Reading  
0-999 PPM  
(Tolerance of display reading)  
+/- 20% + 15 ppm  
Replacement of the Alarm  
This CO alarm has an "operational end of life" feature which will indi-  
cate when to replace the alarm.  
Seven years after initial power-up, this unit will “chirp” every 30 sec-  
onds to indicate that it is time to replace the alarm. A label has been  
affixed to the side of the alarm that has “Replace by” date printed on it  
to aid in identifying the date of replacement.  
REPLACE THE ALARM IMMEDIATELY! IT WILL NOT DETECT CO IN THIS  
CONDITION.  
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Display Readings  
The following tables contain vital information about the vari-  
ous readings you may see on your display. We suggest you  
keep this User’s Guide handy for reference.  
Your new Kidde Carbon Monoxide Alarm is a sophisticated  
electronic device – yet very simple to understand. Basically,  
the unit will display a “0” if it does not sense CO and if you  
have a good 9 volt backup battery installed.  
If your alarm senses carbon monoxide, it will display a read-  
ing in parts per million of CO.  
If the backup battery is low or missing, or if the unit malfunc-  
tions it will display other readings (and alarm differently) to  
alert you that something is wrong with the alarm.  
Please familiarize yourself and other family members to the  
difference between a CO reading and a reading signifying a  
problem with the alarm itself.  
Start-up and Normal Operation Readings  
Recommended  
Action  
Unit  
Alarm  
Sound  
Display Shows  
Status  
None - unit should  
return to zero within  
one minute  
One short  
“chirp”  
Self checking  
when AC  
powered  
Brief “888”  
Start-up or  
reset phase  
and low or  
missing bat-  
tery  
One short  
“chirp”  
every 15  
seconds  
Install or replace  
9 volt battery  
refer to page 2  
and page 5  
“Lb” flashes  
alternately with  
“0”  
Steady “0” and  
flashing dot  
None  
Normal AC oper-  
ation ( sensing no  
CO and battery is  
good)  
None  
Steady display  
of high number  
(in the hundreds  
of ppm) and  
Quick repeating  
beep pattern of  
4 or 5 beeps  
per second  
High level of  
CO detected  
Refer to page  
22  
flashing dot  
If at any time the alarm does not perform as described, have it replaced immediately.  
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Display Readings  
Readings You May See When Unit is AC Powered  
Alarm  
Sound  
Unit  
Status  
Recommended  
Action  
Display Shows  
Call our Kidde cus-  
tomer service  
department on  
01753 685148  
Steady “Err  
and  
flashing dot  
“Chirp” every  
30 seconds  
Unit malfunc-  
tioning when  
AC powered  
Readings You May See When Unit is on Temporary  
Battery Backup  
Recommended  
Alarm  
Sound  
Unit  
Display Shows  
Action  
Status  
Normal battery  
only operation unit  
will show reading  
only if it senses  
CO  
Plug into AC as  
soon as possible  
to conserve  
None  
Flashing dot  
battery  
Call our Kidde cus-  
tomer service  
department on  
01753 685148  
“Chirp” every  
30 seconds  
Unit malfunctioning  
when Battery  
powered  
Steady “Err  
and  
flashing dot  
Replace Battery  
Refer to Step 2  
on page 2  
“Chirp” every Very low battery-unit  
No display  
No display  
30 seconds  
will not respond to  
CO  
Replace Battery-  
if this does not  
fix condition,  
call our Kidde  
Near dead battery  
or unit malfunction  
Constant Alarm  
customer service  
department on  
01753 685148  
If at any time the alarm does not perform as described, have it replaced immediately.  
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Warranty  
WARRANTY COVERAGE: THE MANUFACTURER WAR-  
RANTS TO THE ORIGINAL CONSUMER PURCHASER,  
THAT THIS PRODUCT WILL BE FREE OF DEFECTS IN  
MATERIAL AND WORKMANSHIP FOR A PERIOD OF FIVE  
(5) YEARS FROM DATE OF PURCHASE EXCLUDING  
THE BATTERY. THE MANUFACTURER’S LIABILITY  
HEREUNDER IS LIMITED TO REPLACEMENT OF THE  
PRODUCT. REPAIR OF THE PRODUCT OR REPLACE-  
MENT OF THE PRODUCT WITH REPAIRED PRODUCT AT  
THE DISCRETION OF THE MANUFACTURE. THIS WAR-  
RANTY IS VOID IF THE PRODUCT HAS BEEN DAMAGED  
BY ACCIDENT, UNREASONABLE USE, NEGLECT, TAM-  
PERING OR OTHER CAUSES NOT ARISING FROM  
DEFECTS IN MATERIAL OR WORKMANSHIP. THIS WAR-  
RANTY EXTENDS TO THE ORIGINAL CONSUMER PUR-  
CHASER OF THE PRODUCT ONLY.  
Warranty Disclaimers: 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 peri-  
od. 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. This warranty does not affect your statutory  
rights.  
Warranty Performance: During the above warranty period,  
your product will be replaced with a comparable product if  
the defective product is returned, postage prepaid, to Kidde  
Safety Europe Ltd, Mathisen Way, Colnbrook, Slough SL3  
0HB. Telephone 01753 685148, together with proof of pur-  
chase date. Please include a note describing the problem  
when you return the unit. The replacement product will be in  
warranty for the remainder of the original warranty period or  
for six months, whichever is longer. Other than the cost of  
postage, no charge will be made for replacement of the  
defective product.  
Important: Do not tamper with the alarm unit. Separating  
halves of the unit will void the warranty. Your Kidde Carbon  
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Warranty  
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.  
Kidde makes no warranty, express or implied, written or  
oral, including that of merchantability or fitness for any par-  
ticular purpose, with respect of the batteries.  
For Warranty Service:  
In many cases the quickest way to exchange your CO  
alarm is to return it to the original place of purchase. If you  
have questions, call the Kidde Customer Service  
Department on 01753 685148  
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QUESTIONS OR FOR MORE INFORMATION  
Call our Kidde customer service department on 01753 685148  
or contact us at our website at www.kiddesafetyeurope.co.uk  
Kidde Safety Europe  
Mathisen Way, Colnbrook, SL3 0HB, UK.  
©Copyright Walter Kidde Portable Equipment 2005. All Rights Reserved.  
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