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MODEL CD-9000
CARBON MONOXIDE ALARM
OWNER'S MANUAL
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PLEASE READ AND SAVE!
WHAT YOU SHOULD KNOW ABOUT CO
Carbon monoxide (CO) is an insidious poison. It is a colorless, odorless, tasteless gas. It is a cumulative
poison. Even low levels of CO have been shown to cause brain and other vital organ damage in
unborn infants with no effect on the mother.
The following symptoms are related to CARBON MONOXIDE POISONING:
MILD EXPOSURE
Slight headache, nausea, vomiting, fatigue (often described as "flu-like" symptoms).
MEDIUM EXPOSURE
Severe throbbing headache, drowsiness, confusion, fast heart rate.
EXTREME EXPOSURE
Unconsciousness, convulsions, cardiorespiratory failure, death.
Many cases of reported CARBON MONOXIDE POISONING indicate that victims are aware they are not
well, but they become so disoriented that they are unable to save themselves by either exiting the
building or calling for assistance. Young children and household pets may be the first affected.
Your CO alarm is designed to detect the toxic CO fumes that result from incomplete combustion, such
as those emitted from appliances, furnaces, fireplaces and auto exhaust.
A CO alarm is NOT A SUBSTITUTE for other combustible gas, fire or smoke alarms. This carbon
monoxide alarm is designed to detect carbon monoxide gas from ANY source of combustion.
CAUTION: This alarm will only indicate the presence of carbon monoxide gas surrounding its sensor.
Carbon monoxide gas may be present in other areas.
WARNING: This product is intended for use in ordinary indoor locations of family living units. It is not
designed to measure compliance with Occupational Safety and Health Administration (OSHA) commercial
or industrial standards. Individuals with medical problems may consider using warning devices which
provide audible and visual warnings for carbon monoxide concentrations under 30 PPM.
WHAT YOU SHOULD DO IF THE ALARM SOUNDS
Never disconnect a CO alarm to silence an alarm. The alarm will automatically sense when the level of
CO in the air falls below the danger level. You should stay outside the residence in fresh air until the
alarm is silenced. When the alarm sounds, do not stand too close to the alarm. The sound produced by
the alarm is loud because it is designed to awaken a person in an emergency. Prolonged exposure to
the alarm at a close distance may be harmful to your hearing.
IMPORTANT CONSIDERATIONS
YOUR CARBON MONOXIDE ALARM HAS BEEN DESIGNED WITH AN END-OFSERVICE LIFE OF APPROXIMATELY 6 YEARS OF OPERATION FROM INITIAL
POWER UP.
NOTE: MANUFACTURER RECOMMENDS REPLACEMENT OF ALARM SIX YEARS
AFTER DATE OF INSTALLATION.
Activation of this device indicates the presence of carbon monoxide (CO)
which can kill you. If alarm sounds:
1. Operate reset/silence button;
2. Call your emergency services, fire department or 911;
3. 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 reenter 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.
4. After following steps 1-3, if your alarm reactivates within a 24 hour period, repeat steps 1-3 and call
a qualified appliance technician to investigate for sources of CO from fuel burning equipment and
appliances and inspect for proper operation of this equipment. If problems are identified during this
inspection, have the equipment serviced immediately. Note any combustion equipment not inspected
by the technician and consult the manufacturers' instructions or contact the manufacturer(s) 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.
INSTALLING THE ALARM FOR RESIDENTIAL USE
LOCATION
One of the most important considerations in any CO alarm system is the location of the alarms. Statistics
of the National Fire Protection Association (NFPA) show that most of the fatal CO occurrences happen
at night while people are sleeping.
Early warning of CO is best achieved by the installation of CO alarms on all floors and areas of the
household including attached garages. Placement of a alarm in a garage may cause an alarm due to
CO from automotive exhaust.
RECOMMENDATIONS
– Put a CO alarm inside each bedroom where the occupant closes the door while sleeping. Particulate
smoke can be blocked by a closed door, but CO fumes are likely to get through.
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MOUNTING LOCATION:
This CO alarm can be mounted on the wall or ceiling.
WALL LOCATION: Locate the top of the alarm not more than 6 feet from the floor.
CEILING LOCATION: Alarm should be mounted as close as possible to the center of a hallway or room.
If this is not possible, the edge of the alarm should be at least 4 inches from any wall.
FIGURE 3
LOCATIONS TO AVOID:
Nuisance alarms are caused by placing alarms where they will not operate properly. To avoid nuisance
alarms, do not place alarms:
– Within 5 feet (1.5m) of any cooking appliance.
– Near an open window or door, because the fresh air entering the opening may delay CO from
reaching the alarm.
– In damp or very humid areas or next to bathrooms with showers. Install alarms at least 10 feet (3m)
away from bathrooms.
– In very cold or very hot environments or in unheated buildings or outdoor rooms where the temperature
can go below or above the operating range of the alarm. Temperature limits for proper operation are
40o to 100oF (4.4o to 37.8oC). Operating humidity: 10-95% RH.
CONDITIONS WHICH CAN RESULT IN TEMPORARY CO SITUATIONS:
– Good ventilation is recommended when household cleaning supplies or similar contaminants are used.
– 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.
What Levels of CO Cause an Alarm?
Underwriters Laboratories Inc. UL2034 defines three specific alarm points by which all residential CO
alarms must alarm. They are measured in parts per million (ppm) of CO over time (in minutes).
UL2034 Required Alarm Points:
• If the alarm is exposed to 400 ppm of CO, IT MUST ALARM BETWEEN 4 and 15 MINUTES.
• If the alarm is exposed to 150 ppm of CO, IT MUST ALARM BETWEEN 10 and 50 MINUTES.
• If the alarm is exposed to 70 ppm of CO, IT MUST ALARM BETWEEN 60 and 240 MINUTES.
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DEVELOPING YOUR OWN CO SAFETY PLAN
This CO alarm can quickly alert you to the presence of CO - it cannot prevent toxic CO emissions. Please note
that there are hazards against which CO detection may not be effective, such as gas leaks or explosions. The
ultimate responsibility for protection against toxic CO fumes rests solely on you.
Installing CO alarms is just the first step in protecting your family from toxic CO poisoning. We also
suggest that you create an effective, comprehensive safety program as outlined below.
1. Install CO alarms properly following the instructions in this manual. Keep your CO alarms clean - do
not wash. Wipe with a clean towel. Test your alarms weekly and repair or replace them when they
no longer function. As with any electronic product, alarms have a limited life and alarms that do not
work cannot protect you.
2. Develop a family escape plan and practice it with your entire family, especially small children.
– Draw a floor plan of your home and find two ways to exit from each room. There should be one
way to get out of each bedroom without opening the door.
– Teach children what the CO alarm signal means and how they must be prepared to leave the
residence by themselves if necessary.
– Decide on a meeting place a safe distance from your house and make sure all children understand
where they should go and wait if there is a dangerous CO condition.
– Conduct CO safety drills at least every 6 months to make sure that everyone, even small children,
knows what to do in order to escape safely.
– Know where to go to call the Fire Department from outside your residence.
This unit is designed to detect carbon monoxide (CO) entering its sensing chamber. It does not sense
combustible gas (such as natural gas, propane or butane), heat, smoke or flames.
NOTE: This CO alarm is designed for use within a single residential living unit only. In a multi-family
building, the alarm may not provide early warning for residents if it is placed outside of the residential
units, such as on outside porches, in corridors, lobbies, basements, or in other apartments. In multifamily buildings, each residential unit should have detectors installed as previously indicated.
When properly located, installed, and maintained, this CO alarm is designed to provide early warning
of developing poisonous CO conditions at a reasonable cost. This alarm monitors the air, and when it
senses CO, it activates its built-in alarm. It can provide precious time for you and your family to escape
from your residence before CO can seriously injure or kill. However, such an early warning is possible
only if the alarm is located, installed, and maintained as specified in the Owners Manual.
IMPORTANT: WHAT YOUR CO ALARM CAN AND CANNOT DO
This CO alarm is designed to detect carbon monoxide (CO) entering its sensing chamber. It does not
sense combustible gas (such as natural gas) propane or (butane) heat, smoke or flames.
When properly located, installed and maintained, the CO alarm is designed to provide early warning of
developing poisonous CO conditions at a reasonable cost. This alarm monitors the air; and, when it
senses CO, it activates its built-in alarm. It can provide precious time for you and your family to escape
from your residence before CO can seriously injure or kill. However, such an early warning is possible
only if the alarm is located, installed and maintained as specified in the Owner's Manual.
If the bedroom doors are usually closed at night, alarms should be placed in each bedroom as well as
in the common hallway between them.
CO alarms also may not sense CO on a different level of a residence or building. For example, a second
floor alarm may not sense a CO leak on the first floor or in the basement. Therefore, alarms should be
placed on every level of a residence or building.
If the alarm is located outside of a bedroom, it may not wake up a sound sleeper, especially if the
bedroom door is closed or only partly open. If the alarm is located on a different level of the residence
than the bedrooms, it is even less likely to wake up people sleeping in the bedroom.
Installing CO alarms may qualify you for lower homeowner's insurance rates, but CO alarms are not a
substitute for insurance. Homeowners and renters should continue to insure their lives and property.
WARNING: The Model CD-9000 alarm is not designed for marine use.
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INSTALLATION AND OPERATION
INSTALLATION INSTRUCTIONS: CAUTION!! READ CAREFULLY.
CAUTION: THIS UNIT IS SEALED. THE COVER IS NOT REMOVABLE!
• A mounting plate is provided on the back of the alarm.
• Remove the mounting plate from the back of the alarm by holding the mounting plate and twisting the
alarm in the direction indicated by the "OFF" arrow on the alarm cover.
• To ensure aesthetic alignment of the alarm with the hallway or wall, the "A" line on the mounting plate
must be parallel with the hallway walls when ceiling mounting or horizontal when wall mounting
(See Steps A and B).
• After selecting the proper carbon monoxide alarm location as described in Figure 1, attach the
mounting plate 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.
• To initially activate the 9 Volt battery and alarm, pull and remove the plastic pull-tab. Discard the pull-tab. The
alarm will sound a short beep and then sound complete test signal (See Testing Your Alarm, Page 6).
CAUTION! IF NO BATTERY IS INSTALLED, THE BATTERY DOOR WILL NOT CLOSE AND THE UNIT
WILL NOT ATTACH TO THE MOUNTING BRACKET.
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 Step D) until it locks in place.
FIGURE 4
USING TAMPER RESISTANT LOCKING PIN: To make your carbon monoxide alarm tamper resistant, a
locking pin has been provided in the bag with the screws and anchors. Using this pin will deter children
and others from removing the alarm from the mounting plate. To use the pin, insert it into the hole in the
side of the alarm after the alarm has been installed on the mounting plate (See Figure 5). Note the
tamper resistant pin will have to be removed in order to change the battery. This can be done easily
with long nose pliers. Using the long nose pliers, pull the pin out of the hole. It is now possible to remove
the alarm from the mounting plate.
FIGURE 5
Test alarm immediately following installation and weekly for proper operation by pushing the
test button approximately three seconds until a short beep is heard. Release the button. The alarm will
then test itself for proper operation and the red LED indicator will flash 3-4 times, the alarm will sound
an alarm pattern of 4 beeps with the red LED on, a 5 second quiet period and another 4 beeps with the
red LED on. Then, the unit resets with a final red LED flash. The alarm then resumes normal operation.
IMPORTANT: This alarm is designed to act as a monitor, not for use as a short-term testing device to
perform a quick check for the presence of CO or gas. WARNING: Natural gas (methane) is highly
explosive. Any attempt to test the unit by exposing it to natural gas outside of a controlled
laboratory environment can produce an explosion and death. NEVER use a gas range or an
open flame of any kind to test this alarm.
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You might accidentally damage or set fire to the alarm or to your home. NEVER use vehicle exhaust to test the
alarm! Exhaust may cause permanent damage and voids your warranty. The built-in test switch accurately
tests the alarm operation as required by ANSI/UL2034 Standard for Safety. If, at any time, you test the alarm and
it does not perform as described, replace it immediately.
NORMAL OPERATION:
In normal operation, the alarm will flash the red LED indicator approx. once every 30 seconds. Alarm
is powered and active.
ALARM CONDITION:
If the alarm senses unsafe levels of CO, the red LED indicator will light up and the alarm will sound. The
alarm condition will be signified by a repetitive alarm sounding pattern of 4 short beeps followed by 5
seconds of silence. Immediate evacuation is required.
TROUBLE CONDITION:
Periodically, the alarm's measurement circuit is tested. If an error is detected, the alarm will sound a
single beep and the red LED indicator will flash twice approx. every 30 seconds. This is an indication
of circuit malfunction and that the alarm requires immediate servicing.
END-OF-SERVICE LIFE:
The red LED indicator will flash twice and the alarm will beep twice approx. every 30 seconds.
REPLACE ALARM.
LOW BATTERY:
The alarm will chirp approx. every 30 seconds. REPLACE BATTERY.
MAINTENANCE
BATTERY REPLACEMENT:
IF THE TAMPER RESISTANT PIN HAS BEEN USED, REFER TO "TAMPER RESISTANT LOCKING PIN"
FOR REMOVAL INSTRUCTIONS (See Figure 5).
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 4, Step D).
The CO alarm is powered by a 9V Alkaline battery. A fresh battery should last for approx. one year
under normal operating conditions. When a battery is installed, the alarm will sound a short beep and
then sound a complete test signal (see Testing Your Alarm below). This alarm has a low battery monitor
circuit which will cause the alarm to "chirp" and the red LED indicator to flash approximately every 3040 seconds for a minimum of 7 days when the battery gets low. Replace the battery when this
condition occurs. USE ONLY THE FOLLOWING 9 VOLT BATTERIES FOR CO ALARM REPLACEMENT
Alkaline type:
EVEREADY 522; DURACELL MN1604; GOLD PEAK 1604A
Lithium type:
ULTRALIFE U9VL
NOTE: REGULAR TESTING IS RECOMMENDED.
WARNING! USE ONLY THE BATTERIES SPECIFIED. USE OF DIFFERENT BATTERIES MAY HAVE A
DETRIMENTAL EFFECT ON THE CO ALARM. THE CONSTANT EXPOSURES TO HIGH OR LOW
TEMPERATURES OR HIGH HUMIDITY MAY REDUCE BATTERY LIFE.
CLEANING YOUR ALARM:
To clean your alarm, remove it from the mounting plate as outlined in the beginning of this section.
You can clean the interior of your alarm by using your vacuum cleaner hose and vacuuming through
the openings around the perimeter of the alarm.
WARNING: The outside can be wiped with a damp cloth. Do not use any household cleaning agents,
ammonia based cleaners, paints, varnishes or any other chemical on or near your alarm. AFTER
CLEANING, REINSTALL YOUR ALARM. TEST YOUR ALARM BY USING THE TEST BUTTON.
TESTING YOUR ALARM:
Test alarm weekly for proper operation by pushing the test button for approximately three seconds
until a short beep is heard . Release the button. The alarm will then test itself for proper operation, i.e.
an alarm pattern of 4 beeps with the red LED on, a 5 second quiet period and another 4 beeps with the
red LED on. Then, the unit resets with a final red LED flash. The alarm then resumes normal operation.
THIS PRODUCT IS LISTED TO UL STANDARDS FOR SAFETY,
UL2034, BY UNDERWRITERS LABORATORIES.
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USI FIVE YEAR LIMITED WARRANTY
UNIVERSAL SECURITY INSTRUMENTS, INC. ("USI") warrants your USI product
to be free from defects in material and workmanship for a period of five (5)
years from the date of purchase. This warranty applies only to the original consumer
purchaser and only to products used in normal residential use and service. If this
product is found to be defective, USI's only obligation, and your exclusive remedy, is
the repair or replacement of the product, at USI's discretion, provided that the product
has not been damaged through misuse, abuse, accident, modifications, alteration,
neglect or mishandling. This Warranty shall not apply to any product which is found
to have been improperly installed, set-up, or used in any way not in accordance with
the instructions supplied with the product. This warranty shall not apply to any batteries
used in the product or to any damage which may be caused by such batteries. For
replacement of this product under the terms of this Warranty, contact our Customer
Service line at 1-800-390-4321, Ext. 238, for current postage and handling fees. USI's
address is USI ELECTRIC, INC./UNIVERSAL SECURITY INSTRUMENTS, INC. at
11407 Cronhill Drive, Suite A, Owings Mills, Maryland 21117, You must include a
proof of purchase (receipt) along with the returned product.
USI DOES NOT WARRANT AND SPECIFICALLY DISCLAIMS ANY WARRANTY,
WHETHER EXPRESS OR IMPLIED, OF FITNESS FOR A PARTICULAR PURPOSE,
OTHER THAN THE WARRANTY CONTAINED HEREIN. NO IMPLIED WARRANTY
ON THIS PRODUCT, CREATED BY STATE LAW, SHALL EXTEND BEYOND THE
TERM OF THIS WARRANTY UNLESS SUCH LAW OTHERWISE PROVIDES. USI
SPECIFICALLY DISCLAIMS ANY LIABILITY AND SHALL NOT BE LIABLE FOR
ANY CONSEQUENTIAL OR INCIDENTAL LOSS OR DAMAGE, INCLUDING, BUT
NOT LIMITED TO, DAMAGES TO ANY EQUIPMENT WITH WHICH THIS PRODUCT
IS USED.
Some states do not allow the exclusion or limitation of incidental or consequential
damages so the above limitations or exclusions may not apply to you.
No agent, representative, dealer, or employee of the company has the authority to
increase or alter the obligations or terms of this Warranty.
This Warranty gives you specific legal rights and you may also have other rights
which vary from state to state.
This Warranty is only valid for merchandise purchased from outlets in the United
States and Canada. This warranty expires upon end-of-service life signal.
Visit Us on the Web! www.UniversalSecurity.com
11407 Cronhill Drive, Suite A
Owings Mills, Maryland 21117 USA
288-3259-00H
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©2001 UNIVERSAL SECURITY INSTRUMENTS, INC,. Rev. 11/2012
Printed in China
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