Exigent Sensors EX20 CO, EX20C CO User Manual
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• Electro-Chemical Carbon Monoxide Gas Sensing
• Designed to Last Up to 10 Years
• Rate of Rise Temperature Sensing
• Fixed Temperature Sensing
• Proprietary Wireless Connectivity
MADE IN THE USA
Models: EX20 CO
EX20C CO
10 Year Carbon Monoxide
Alarm
User’s Manual
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What Makes the Exigent CO Alarm Different?
About Your New Carbon Monoxide Alarm
Thank you for purchasing the Exigent carbon monoxide alarm. CO alarms play
an important role in protecting your family and home from the dangers of
carbon monoxide gas. Please carefully read and follow the information in this
booklet to ensure that your alarm operates properly and is located in the areas
best suited for activation.
Illuminated status icons
for Power, Warning,
Wireless, and Fire
Two modes of electronic
temperature sensing for a
very fast response
Dual functioning test
and silence button
The latest electrochemical CO sensor
Attractive and durable
materials for a sturdy,
high-quality alarm
General Information About Your Carbon Monoxide Alarm ......................... page 3
Contents of your Kit ................................................................................... page 4
General Warnings about Carbon Monoxide Gas...........................................page 5
Understanding the Dangers of CO Gas Poisoning.........................................page 6
Recommended Locations for Your CO alarm ............................................... page 7
Areas Not Appropriate for CO alarms ......................................................... page 8
Complete Home Fire Protection .................................................................. page 9
Acceptable Wireless Network Alarm Spacing .............................................. page 9
Alarm Features and Functions .............................................................. page 10-11
Deactivating Your CO Alarm ..............................................................page 12
Creating Your Wireless Network ............................................................... page 13
Adding an Alarm to Your Wireless Network .............................................. page 14
Removing a CO Alarm from Your Wireless Network .................................. page 15
Choosing the Mounting Location in a Room ............................................ page 16
How to Mount the CO Alarm ..................................................... page 17-18
Alarm Specifications ................................................................................. page 19
Important Fire Safety Information ............................................................ page 20
Warning! Limitations on CO alarms .......................................................... page 21
Limited Warranty ...................................................................................... page 22
Replacement Guarantees .......................................................................... page 23
Exigent Sensors recommends a combination of early-detecting Smoke and
CO alarms as well as reliable Heat alarms installed in their appropriate
locations throughout the home.
Smoke, CO and Heat alarms are not a substitute for an adequate homeowner’s
fire/property insurance policy.
Table of Contents
Sealed lithium battery
ATTENTION - This manual should be read, followed and retained for future
reference.
Frequency hopping
for superior wireless
communication
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Contents of Your Kit
Please make sure the following is included in your kit:
CO Alarm
Instruction
Manual
Mounting Bracket
Key Features
• The latest electro-chemical CO sensing technology.
• Electronic temperature sensing with Rate of Rise and Fixed Temperature triggers.
• Fast response to CO gas exposure.
• Wireless communication to connect all Exigent alarms into their own unique
home network.
• Powered by a sealed lithium battery.
• Four illuminated icons to easily demonstrate the alarm’s status.
• Multi-function button to allow for testing and silencing of unwanted triggering.
• Uniquely loud horn to notify occupants of CO gas and fire danger.
• Top quality construction to ensure beautiful appearance and durability.
Plastic Anchors (2)
1” Screws (2)
Activation of your CO alarm indicates the presence
of carbon monoxide gas (CO) which can KILL YOU.
General Warnings About Carbon Monoxide Gas
WARNING
If your CO alarm signal sounds with the 4-beep pattern:
This carbon monoxide alarm is designed to detect carbon monoxide gas
from ANY source of combustion. It is NOT designed to detect smoke, or any
other gas types. The alarm also is equipped with Supplemental Temperature
Sensing. This will activate the alarm if the temperature reaches either 135°F
or the temperature rises by more than 20°F in a minute or less.
The CO alarm becomes susceptible to nuisance alarms when subject to
prolonged exposure to certain cleaning supplies, hairsprays and perfume
products. Care should be taken to install the CO alarm in spaces that are
well ventilated where these types of items are stored or used.
Self Adhesive
Labels (2)
1. Press and release the Silence Button.
2. Call your emergency services ( ) ____ - ______, fire department
or 911.
3. Immediately move to fresh air - outdoors or by an open door or
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.
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 manufacturers 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.
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3. Extreme Exposure: Unconsciousness, convulsions, cardiorespiratory failure,
death.
The following symptoms are related to Carbon Monoxide Poisoning and need to
be discussed with ALL members of the household:
1. Mild Exposure: Slight headache, nausea, vomiting, fatigue (often described
as “flu-like” symptoms).
Understanding the Dangers of CO Gas Poisoning
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. Young
children and household pets are typically the first affected.
Note: Applicable building codes or other local laws
may require the installation of CO and fire alarms
in addition to the minimum recommended by this
manual.
2. Medium Exposure: Severe throbbing headache, drowsiness, confusion, fast
heart rate.
Potential Problem Sources of CO Gas Inside the Home
The sources of Carbon Monoxide gas can be very difficult to locate due to the
odorless, colorless nature of the gas, especially after the home has been aired-out
prior to the investigators arrival. Look closely at the following:
1. Excessive spillage or reverse venting of fuel burning appliances:
• Outdoor 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 connection vibrating loose from clothes dryers,
furnaces, or water heaters.
• Obstructions in, or unconventional vent pipe designs which
amplify the above situations.
2. Extended operation of unvented fuel burning devices (range/oven, fireplace)
3. Temperature inversions which can trap exhaust gasses near the ground.
4. Car idling in an open or closed attached garage, or near a home.
5. Poorly designed or maintained chimneys and/or vents.
Bedrooms. A major threat from poisonous
CO gas occurs at night when people are
sleeping. For added protection, CO alarms
can be installed in all sleeping rooms.
Living Spaces. To enhance safety, a CO alarm
can be located in the living spaces of a home.
Recommended Locations for your CO alarm
Recreation and Dining Rooms. For
additional protection, a CO alarm can be
located in the other living spaces of the
home.
Hallways. A CO alarm is required to be
centrally located outside of each sleeping
area, and on every level of the home.
If your hallway is longer than 40 feet, install a
CO alarm at both ends.
Basements. A CO alarm should be located
on every level of the house, including the
basement.
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Areas Not Appropriate for CO alarms
Kitchens. Do not install within 5 feet
(1.5m) of kitchen appliances. The byproducts of cooking food can effect the
performance of the CO alarm.
Garages. Do not install in garages.
Exhaust gases from idling vehicles in an
open or closed garage can trigger the CO
alarm.
Attics. Do not install in attics. A CO
alarm can be affected by dust, small
insects or high and low temperatures.
Do not install the alarm in areas where
the normal ambient temperature can go
below 40°F (5°C) or exceed 100°F (38°C)
Utility and Furnace Rooms. Do not
install close to equipment that can create
steam and gas. Steam and exhaust gases
can affect performance of CO alarms. CO
alarms should be at least 20 feet (6m)
from sources of combustion.
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CO
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CO
CO
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Complete Home Fire and Gas Protection
Single Story Homes Two Story Homes
Key
Minimum Required Smoke Alarms
Minimum Required CO Alarms
Recommended Heat Alarms
Required Interconnections
Attic
Kitchen
Living Room
Bedroom
Hall
Bedroom
Crawl Space
Attic
Bedroom
BedroomHall
Living Room
Kitchen
Utility Room
Basement
Acceptable Wireless Network Alarm Spacing
Each alarm will also act as a repeating
station, so any signal received by an alarm
will be rebroadcast.
After final installation, test all alarms
for proper wireless inter-connection.
Simply press and release the test
button of an alarm while having a
helper observe the remote alarms.
Maximum
Spacing in
Open Area
200’ (70m)
Exigent Sensors recommends complete home fire protection. This can
be achieved by installing a combination of smoke, CO and heat alarms in
their appropriate locations in every room of the house.
The Exigent proprietary wireless network
communicates using radio frequencies
905.2MHz - 913.2MHz. The range of the radio
has been tested to 200 feet (70m) in open area
distance testing.
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CO Alarm Features and Functions
Power Indicator Light (Green)
On the CO Alarm, the POWER icon will briefly flash
once every 30 seconds when the alarm has been
activated.
WIRELESS will flash once per second to indicate the radio
network is open to accept additional alarms into the
network.
Wireless Networking Light (Blue)
Warning Light (Red)
WARNING will flash rapidly when a CO alarm detects
sufficient levels of CO gas. This will be accompanied
by the 4-beep sounding of the horn.
FIRE will flash when the alarm detects sufficient
quantities of heat. This is accompanied by the sounding
of the horn.
FIRE will stay on continuously if the alarm was triggered
remotely by another alarm on the wireless network.
Fire Warning Light (Red)
Silencing Nuisance Alarms
CO Alarm Features and Functions
Testing the CO Alarm
Every CO alarm should be tested at least weekly to
ensure proper operation.
To test the alarm, press and release the button on the
front face.
The alarm will sound with 4 beeps (2X) and the WARNING
light will flash red rapidly.
All four icons will strobe to indicate proper function.
The alarm will then send out a network test
command and all other alarms on the radio network
will perform the same internal test.
If the alarm fails the self-test, the horn will sound a
single long tone. If this occurs, replace the alarm.
The EX20 CO alarm is equipped with a silence feature that can silence the alarm.
If during normal operation the alarm is triggered,
and
all appropriate safety precautions are being
taken,
the alarm can be silenced for six minutes by
pressing the button on the front face of the unit.
The silence feature will also silence any alarms that
were triggered remotely. However, the initiating alarm
must be silenced directly.
If the quantity of CO gas is too great, the alarm
will silence only briefly, then resume.
The FIRE warning light can be triggered in two ways
on the CO alarm, either exposure to sufficient heat or
remotely by another alarm on the wireless network.
WIRELESS will cease to flash one minute after the last
alarm has been added to the network or immediately
after the button has been pressed.
WARNING will flash red every 30 seconds
accompanied by the horn chirp, for a minimum of 7
days, to indicate Low Battery. Replace the alarm.
FIRE will continue to flash twice per minute (without the
horn) for three days after exiting an alarm condition, or
until the front button has been pressed and released.
WARNING will double flash red every 30 seconds
accompanied by the horn chirp, to indicate that
the alarm’s CO sensor has reached its End-of-Life.
Replace the alarm.
End-of-Life Feature
The CO Alarm has been designed to last for a period
of up to ten years. When the alarm has reached the
end of its useful life, the End of Life Signal will occur.
Note: Certain conditions such as a high ambient
temperature or a very dry environment can reduce the
life of the CO alarm to less than ten years.
When the End-of-Life Signal occurs, follow the
deactivation procedure on Page 12, and
replace alarm.
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