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BATTERY POWERED CARBON MONOXIDE
ALARM C11-L
1 MAIN FEATURES:
1. High accuracy and sensitivity
2. Good anti-jamming capability
3. Reliable stability and reproducibility
4. LED display CO concentration (3 digitals)
5. Low quiescent current (≤20uA), energy-saving, long standbytime
6. Three LEDs to indicate dierentstatus: power (green),alarm (red),
fault (yellow)
7. Easy installation, portable, ideal for home and travel
8. Test/Mutefunction/Manual Reset
9. Memory Function
10. Lowbattery warning
11. Sensorfault signal warning
12. Batteryremoval warning
13. End of alarm life warning
This instruction leaet contains important information on the
correct installation and operation of your carbon monoxide alarm.
Read this leaet fully before attempting installation and retain for
future reference.
2. SPECIFICATION
PowerSource: 2pcs LR03 size AAA1.5V PAIRDEER battery
SensorType: Electrochemical
Type ofGas sensed: Carbon Monoxide
Alarm activation: 30 to 49 ppm(aer120 minutes)
50ppm to 99ppm (60to 90 minutes)
100 ppm to 299ppm (10to 40 minutes)
Above 300ppm (0 to 180 seconds)
OperationTemperature : -10 to 40℃ ℃
Ambient Humidity: 15% to 90%
Horn Level: 85 dB at 1 m (3.3 feet)
Product Weight: 99g approx
Product Size: 98mmx60mmx29mm
Product Life: 10 years
3. WHATIS CARBON MONOXIDE
Carbon Monoxide (CO) is an insidious poison that is released when fuels
are burnt. It is a colourless, odourless, tasteless gas and thereforevery
dicultto detectwith the human senses. CO kills hundreds of people
each year and injures many more. It binds to the hemoglobin in the
blood and reducesthe amountof oxygen being circulated inthe body. In
high concentrations,CO can kill in minutes. CO is producedby the
incomplete combustion offuels such as wood, charcoal, coal, heating oil,
paran, petrol, natural gas, propane, butane etc.
Examples of COsources:
Running engine in garage -Gas appliances
Oil and Gas furnaces -Portable generators
Woodstoves -Gas or kerosene heaters
Barbecues Clogged chimneys
Woodand gas replaces Heating boiler
4. SYMPTOMS OF CO POISONING
The following symptoms maybe related to CO poisoning:
35 ppm The maximum allowable concentrationfor continuous
exposurefor healthy adults in any 8 hour period.
200ppm Slight headaches, fatigue, dizziness, nausea aer 2-3 hours
400ppm Frontal headaches within 1-2 hours, life threatening aer 3
hours
800ppm Dizziness, nausea and convulsions within 45 minutes.
Unconsciousnesswithin 2 hours, Death within 3 hours.
1600ppm Headache, dizziness and nausea within 20 minutes. Death
within 1 hour
6400ppm Headache, dizziness and nausea within 1-2 minutes.
WARNING: The apparatus may not preventthe chronic eects of
carbon monoxide exposure,and that the apparatus will not fully
safeguardindividuals at special risk. It maynot fully safeguard
individuals with specic medical conditions.If in doubt, consult a medical
practitioner.
5. LOCATING THE CO ALARM
C11-L Carbon Monoxidealarm is designedto detect the toxic CO fumes
that resultfrom incomplete combustion, such as those emitted from
appliances,furnaces, replace and auto exhaust.
NOTE:For maximum protection an alarm should be tted in ornear
everyroom that contains afuel-burning appliancesuch as anygas res,
central heating boilers, room
heaters, waterheaters, cookers, grills, etc.
WARNING:Thisalarm will only indicate the presence ofcarbon
monoxide gas at the sensor. Carbon monoxide gas may be present in
otherareas.
A CARBON MONOXIDE ALARM DOES NOT FUNCTION AS A
REPLACEMENT FOR A SMOKE OR GAS DETECTOR.
6. Locationof the carbon monoxide detector
6.1 General
The design and layout of domestic premises and the number, type and
position of carbon monoxide sourcesvarywidely. However, general
guidance is given on where and wherenot to locate the apparatus in
orderto minimise the risk of misleading indications.
6.2 Which room?
Ideally, an apparatus should be installed in everyroom containing a fuel-
burning appliance.Additional apparatus may be installed to ensure that
adequate warning is given foroccupants in other rooms, bylocating
apparatus in:
remote rooms in which the occupant(s) spend considerable timewhilst
awakeand from which theymay not be able hear an alarm from
apparatus in another part ofthe premises and
everysleeping room
However,if there is a fuel burning appliance in more than one room an
the number of apparatus is limited,the following points should be
consideredwhen deciding where best to put the apparatus:
locate the apparatus in a room containing a ueless or open-ued
appliance, and
locate apparatus in a room wherethe occupant(s)spend most time.
If the domestic premises is a bedsit (a single room serving as both sitting
and bedroom) then the apparatus should be put as far fromthe cooking
appliances as possible bue near to wherethe person sleeps.
Ifthe appliance is in a room notnormally used (forexample a boiler
room), the apparatusshould be put just outside the room sothat the
alarm may be heard moreeasily. Alternatively, a remote alarm siren may
be connected to a typeA apparatus located in a room(s) containing a
fuel-burning appliance.
6.3 Where in the room?
It should be possible to view all the light indicators when in the vicinity
ofthe chosen locationforthe apparatus.
It is not possible to give specic guidance on the exact location of a
detector which suits all types of room and their usage. The following
points should be taken into considerationwhen determining an
optimum location forany appropriate situation.
6.3.1Where not toinstall the apparatus
The apparatus should not be installed:
inan enclosed space(forexample in a cupboardor behind a curtain)
where it can be obstructed (forexample by furniture)
directly above a sink
next to a door orwindow
next to an extractorfan
next to an airvent or other similarventilation openings
inan area wherethe temperature maydrop below -10 °C or exceed
40 °C, unless it is designedto do so
where dirt an dust mayblock the sensor
ina damp orhumid location
inthe immediate vicinity of the cooking appliance
6.3.2 Apparatus located in the same roomas a fuel-burning
appliance
Ifthe apparatus is locatedon a wall:
a)it should be located closeto the ceiling;
b) it should be located at a height greater than the height of any door or
window.
A ceiling mounted apparatusshould be at least 300 mm fromany wall,
and fora wall mounted apparatus it should be at least 150 mm fromthe
ceiling.The apparatus should be at a horizontal distance ofbetween 1m
and 3 m from the potential source.
Ifthere is a partition in a room,the apparatus should be located onthe
same side of the partition as the potential source.
Carbon Monoxide alarms in rooms with sloped ceilings should be
located at the high side of the room.
WARNING: This carbon monoxide alarm is designed for indoor use only.
Do not expose to rain or moisture. It will not protect againstthe risk of
carbon monoxide poisoning when the batteryhas drained. Do notopen
ortamper with the alarm as this could cause malfunction.
7. INSTALLING THE CO ALARM
WARNING: The apparatus should be installed bya competent person.
This CO alarm is powered bybattery and requires no additional wiring. It
can either be installed on the wall using the xings providedor on a
tabletop.
7.1 Wall Mount Installation:
Having established the mounting location ensurethat there is no
electrical wiring or pipe workin the area adjacent to the mounting
surface (g1).
Markthe two mounting hole locations.
Drill holes in the positions marked.
Screwtight the screws intothe drilled holes, and keepthe steel screws
out for4mm.
Insert 2pcs LR03 size AAA1.5V batteries rmly into battery compartment
on the rearof the detector.
7.2Tabletop Installation:
Just placethe COalarm on the table, so that the users can see LEDS
clearly.
WARNING: Installation of the apparatus should not be used as a
substitute forproper installation, use and maintenance of fuel burning
appliances including appropriateventilation and exhaust systems.
8. OPERATING YOUR CO ALARM
8.1 Install batteries
This alarm is powered by 2 pcs LR6 siz AAA1.5V battery, open the battery
compartment onthe rearofthe detector and install the batteries (see g
2-5). PAY ATTENTION TOTHE POLARITY CONNECTIONAND CLOSE THE
BATTERY COMPARTMENT.
8.2Warm up
Aerthe batteries are installed, the green,yellow and red lights of the
productare illuminated in turn, and then enter the preheating
countdown, andthe warm-up time is 120s.
8.3 Standby mode
When no carbon monoxide is present, the green LED ashes once about
EVERY59 SECONDS(seeg 6).
8.4 Test your CO alarm
Press the TEST button to enter the test mode. At this time, the green
and yellowlights are always on, the red light is ashing, and the product
simulates an alarm (see g 7).
NOTE: Though this alarm can self-diagnose the amplifying circuit and
sensor, it is recommendedthat you test your CO alarm once a month to
ensurethe alarm is working correctly.
8.5 Mute function
8.5.1 Entry Condition
a)In the alarm state,if the concentration is lowerthan 50PPM, press the
test button (see Figure8), it will enterthe alarm mute mode, the red
LED and the green LED will ash once every10 seconds.
Fig. 1
C11-L
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6 Fig. 7
Flashes every 59 Seconds
C11-L C11-L
b) Aer entering the silent mode, if you need to enter the alarm again,
you need to re-time the alarm generation time under dierent
concentrations.
8.5.2 Exit Condition
a) When the carbon monoxide concentration continues to be as low as
30 PPM, the mute mode is exited and the non-alarm standby mode is
entered.
b) When the concentration rises and reaches the corresponding
concentration and time, it enters the alarm mode.
8.6 Alarm time and prompt
8.6.1 Alarm time
When theunit detects dangerous levels of CO, it will emit an alarm
signal along with ashing of red LED(see g7).
When the CO concentration dropped to about 30ppm, the product will
stop the alarm.But the product is with low CO concentration prompt
function, to alert the user’s attention to prolonged low levels of CO, the
unit gives 5 times beeps every 5mins and with 5 times red light ashes
simultaneously.
8.7 Alarm memory function
8.7.1 Entry conditions:
Record the highest concentration point of the last alarm. This prompt is
only issued aer the CO concentration has dropped to the alarm
condition.
8.7.2 Status prompt:
The red LED will ash 4 times about every 50s, and the buzzer produces
a sound of 'DI DI DI DI' (see g 9).
8.7.3 Exit conditions:
a) Press the button to exit the alarm memory function.
b) CO concentration is greaterthan the display threshold (20PPM).
8.8 LOW BATTERY Signal
When the unit detects that the battery voltage is low and needs to be
replaced,the yellow LED will ash once about every47 seconds and an
alarm sound BEEPwill be issued (see g10).
When the battery voltage is further reduced, the low voltage indicating
cycle is shortened to 12 seconds.
NOTE: The normal stand bytime of battery is 3 years minimum. Please
replacethe battery in time aer the low voltage alarm signal.
It is recommendedto use the same type of batterywhen changing the
battery (2pcs LR03 size AAA 1.5V PAIRDEER battery).
8.9 Fault signal warning
When a sensorfailure is detected, the productwill emit two beeps and
the yellowLED will ash 2 times about every40 seconds (g 11).
8.10 End of alarm life warning
The product design life is 10 years.When the 10 years expires, the
productwill emit three beeps and the yellow LED will ash 3 times about
every60 seconds (see g 12).
9. IN THE EVENT THE CO ALARM RAISESAN ALARM:
Immediatelymove to fresh air outdoor or open all doors / windows to
ventilatethe area and allowthe carbon monoxide to disperse.
Where possible turn o fuel burning appliance. Evacuate the building.
Do not re-enterthe premises nor move away fromthe open door /
window until emergency services responders have arrived, the premises
have been aired out, and your alarm remains in its normal condition.
Seek medical help immediately for anyone suering fromthe symptoms
of headache, drowsiness, nausea, etc.
Do not use the appliances again until they havebeen checked by a
qualied technician and the fault located and cleared.
10. MAINTENANCE YOUR CO ALARM
Your detector will alert you to potentiallyhazardous CO concentrations
in your home when maintained properly. To maintain your alarm in
properworking order,it is recommended thatyou:
Test the alarm at least once per month by pressing the TEST button.
CleanyourCO alarm regularlyto preventdust build up. This can be
doneusing a vacuum cleaner with the brush attachment once per
month. Clean gently aroundthe frontgrilled section and sides.
Neveruse cleaning solutions on your alarm. Simply wipe with a damp
cloth.
Donot paint the alarm.
Donot tamper with any of component as this may lead to a product
fault and cause Risk of death.
11. GAS SELECTIVITY
This alarm possesses conformityto selectivity which international
standards require, and table 1 shows the selectivity to typical noise gases
dened in UL2034 and EN50291.
12. IMPORTANT SAFETYREQUIREMENTS
Installing a CO-detector is only the rst step towards safer living
conditions. Make surethat you and other members ofyour household
arefamiliar with the cause and eect of carbon monoxide poisoning and
howto operate a CO-detector:
Test your CO-detector once per month.
Immediatelyreplace low batteries.
Only purchase approvedcombustion devices.
Install combustion devices in the correct wayand strictly.
Followthe instructions of the manufacturer.
Haveyour installation performed by a professional.
Haveyour installation checked bya qualied installer on a regularbasis.
Clean yourchimney and drainage once everyyear.
Regularlycheck all combustion devices.
Verify if your equipment is free of corrosionand peelings.
Neveruse your barbecue indoors or in garages.
Ensure sucientventilation when using a replaceor multi-burner.
Always pay attention tosymptoms of carbon monoxide poisoning.
WARNING:
Please avoid using CO alarm in the following situations, so as not to
aectthe service life of the alarm:
This unit should avoid contact with organic solvents (including silicone
and other adhesives),coatings, pharmaceutical, oil and high
concentrationsgas.
This unit can not be used in environments containing corrosive gas,
corrosive gas can damage the unit.
NOTES:
This unit can be only used at residential application, not suitable for
usage on vehicles, boats, factory, shopping malls, etc.
Forthe calibrating, rst put the unit in clean atmosphere,then putthe
unit into 400ppm gas.
This unit can not be used in environments with strong wind
movement.
Neverblock the unit air inlet; otherwise the sensitivity will be aected.
This unit can not bear excessive shock or vibration.
It will take a long time forthis unit to return to the initial state aer
used in high concentrations gas long time.
Neveropen the unit; the electrolyte leakage can cause damage.
This CO alarm is designed to only sense Carbon Monoxide from any
sourceof combustion. It is NOT designed to detect smoke, re and
othergases.
WARRANTYDISCLAIMERS:
Wepromise two years warranty on this CO alarm.
This warranty does not cover damage resulting from accident, misuse,
disassembly, abuse or lack of reasonable care of the product, or
applications not in accordance with the user manual. It does not cover
events and conditions outside of our control, such as Acts of God (re,
severeweather etc). It does not applyto retail stores, service centres or
anydistributors or agents. We will not recognize any changes to this
warrantyby third parties. Weshall not be liable for any incidental or
consequential damages caused bythe breach of any express or implied
warranty.
Except to the extent prohibited by applicable law, any implied warranty
of merchantabilityor tness for a particular purpose is limited in
durationfor 2 (two) years.
THIS PRODUCT CANNOTBE REPAIRED IF THE UNIT IS TAMPERED
WITH IT WILL INVALIDATETHE GUARANTEE. IF THE UNIT IS FAULTY
PLEASE RETURN IT TOYOUR ORIGINAL SUPPLIER WITH YOUR PROOF
OF PURCHASE.
NOTE: In keeping with our policy of continuing improvement,we
reservethe right to institute changes in design, material, dimensions, or
specications without prior notice and without incurring anyobligation
to make such changes and modications on product previouslyor
subsequently sold.
Fig. 10
Flashes about every 50 Seconds
DI
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Flashes about every 50 Seconds
Fig. 9
DI DI
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DI DI
CO Concentration No alarm before Alarm before
30 ppm 120 minutes
50 ppm 60 minutes 90 minutes
100 ppm 10 minutes 40 minutes
300 ppm 3 minutes
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Fig. 12
DI DI DI
Flashes about every 60 Seconds
Fig. 11
DI DI
Flashes about every 40 Seconds
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Table 1. Gas selectivity
Exposuretime :* :30 minutes ** :40 minutes ***: 2 hours
Test gas Relativesensitivity (CO is 100)
CO 100
Hydrogen 40
Methane 0
Iso-Butane 0
Carbon dioxide 0
Carbon disulfate 0
Hydrogensulde 0
Nitrogen oxide 0
Nitrogen dioxide Less than 5
Ammonia 0***
Ethyl acetate 0***
Dichloromethane 0***
Heptane 0***
Toluene 0***
IPA 0***
Ethanol Less than 2*
Hexa-Methyl-Di-Siloxan 0**
BS EN 50291-1:2018
Electronic devices, batteries and rechargeable batteries must not be
disposed ofin household waste!
Everyconsumeris required by lawto take all electronic devices,
batteries and rechargeable batteries to a collection point or to a retailer
so thatthey can be disposed ofin an environmentallyfriendlymanner.
m-e GmbH herebydeclares thatthis device complies with the following
directives:
RoHS 2011/65/EU
LVD 2014/35/EU
EMC 2014/30/EU
The DECLARATION OF CONFORMITYcan be found atthe following
address:
http://www.m-e.de/download/ce/c11lce.pdf
28.02.2023

Produktspecifikationer

Varumärke: Protector
Kategori: Gasdetektor
Modell: C11-L

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