Bosch DB-CO User manual

6721848552 (2022/02) div
DB-CO | D-SetCO
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2DB-CO | D-SetCO – 6721848552 (2022/02)
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3
General safety instructions
DB-CO | D-SetCO – 6721848552 (2022/02)
1 General safety instructions
All instructions must be observed. Failure to comply with instructions may result in
material damage and personal injury, including danger to life.
Safety of electrical devices for domestic use and similar purposes
ThefollowingrequirementsapplyinaccordancewithEN60335-1in ordertoprevent
hazards from occurring when using electrical appliances:
“This appliance can be used by children of 8 years old or older, as well by people with
reduced physical sensory or metal capabilities or lacking in experience and
knowledge, if they are supervised and have been given instruction in the safe use of
the appliance and understand the resulting dangers. Children shall not playwith the
appliance. Cleaning and user maintenance must not be performed by children
without supervision.”
Danger to life from carbon monoxide
Carbon monoxide (CO) is a poisonous gas, which arises during the incomplete
combustion of fossil fuels such as oil, gas, or solid fuels.
Dangers arise if CO escapes from the heating system due to a fault or a leak and
collects unnoticed in enclosed spaces.
You can neither see, taste nor smell CO.
The device may not prevent chronic effects of CO exposure. The product will not
completely safeguard individuals at special risk.
Havethe heating systeminspectedandserviced regularlybyanapprovedcontractor.
WARNING
Installationofthe alarm should notbeused as a substituteforproperinstallation,use
and maintenance of fuel-burning appliances including appropriate ventilation and
exhaust systems.

4
General safety instructions
DB-CO | D-SetCO – 6721848552 (2022/02)
In the presence of carbon monoxide alarm
▶ Keep calm and open all doors and windows to increase the rate of ventilation.
▶ Stop using all the fuel-burning appliances and ensure, if possible, that they are
turnedoff.Forexample,forgasappliances, please isolatetheemergencycontrol
valve.
▶ If the alarm continues activated, leave the building and only re-enter when the
alarm has stopped. In multi-occupancy and multi-story properties, alert all the
occupants of the risk.
▶ Get medical help for anyone with the effects of carbon monoxide poisoning and
advice that carbon monoxide inhalation is suspected.
▶ Get in contact with the appropriate servicing and/or maintenance agency. When
necessary, get in contact with the fuel supplier through their emergency number
and with the national Gas Emergency Service Provider. This way, the source of
carbon monoxide emissions can be identified and corrected.
▶ Do not use fuel-burning appliances again until it gets checked and cleared by a
competent person according to national regulations.
WARNING
Danger to life!
In case you consider muting the device, be aware of the fact that the alarm has been
activated because of dangerous levels of carbon monoxide, and being in the
environment of the device is dangerous.

5
Product Information
DB-CO | D-SetCO – 6721848552 (2022/02)
2ProductInformation
2.1 Product overview
Fig. 1 Product overview
[1] Reset hole
[2] Status(red,yellowandgreenflashinwhenthebaseisconnectedtothepower.
Green flash every minute once the product is working normally)
[3] Power (green light)
[4] Sound output
[5] Alarm warning (red light)
[6] Test/silence button
[7] Fault (yellow light)
2.2 Intended use
This product may only be used indoors in a domestic situation. It is intended to detect
the presence of carbon monoxide (CO) at the sensor. Any other use is considered
inappropriate. Any damage that may result from misuse is excluded from liability.
0010043205-001
POWER FAULT
STATUS
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3
4
5
6
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1

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Installation
DB-CO | D-SetCO – 6721848552 (2022/02)
2.3 Battery
Long-life lithium battery (3V) sealed for the life of the product. No replacement is
necessary.
When the low battery voltage warning occurs, a CO alarm signal is produced from
four minutes to 30 days. Replace the device as soon as theproductentersthis status.
2.4 Alarm conditions
Audible indicators:
• 30 ppm: without alarm before 120 minutes
• 50 ppm: alarm between 60 to 90 minutes
• 100 ppm: alarm between 10 to 40 minutes
• 300 ppm: alarm within three minutes
• Continuous sound: CO alarm
2.5 Materials, vapours, gases
The following substances can affect the product reliability: silicone, vapours, dew
condensation, hydrogen sulphide, sulphuric acid gas, dust, oil mist, cleaning fluids,
polishes, paints and cooking operations.
3 Installation
3.1 Electrical work
NOTICE
When selecting the mounting position and before drilling the mounting holes:
▶ Ensure that no electrical cables or other supply lines can be damaged.
Electrical work must only be carried out by electrical installation contractors.

7
Inspection and maintenance
DB-CO | D-SetCO – 6721848552 (2022/02)
Before starting the electrical work:
▶ Isolate all poles of the mains voltage and secure against reconnection
▶ Make sure the mains voltage is disconnected
▶ Observe the wiring diagrams of the other system components as well
4 Inspection and maintenance
In order to activate a full test cycle where lights, messages, and audible sounds are
performed:
▶ Press the TEST/SILENCE button for one second
During the entire test, the red light of the status indicator on the DB-CO will flash, and
the relay COM NO is disconnected. After the test, the DB-CO returns to normal – the
greenlightof the statusindicatoris continuously on andtherelayCOMNOisconnected.
Test the device every month. If the product does not perform as described, replace it
immediately.
The product will not protect against the risk of carbon monoxide poisoning when the
battery has drained.
4.1 Modifications and repairs
Improper modifications and repairs can result in personal injury and/or material damage.
1. Do not open the product housing. There are no user-serviceable parts inside.
2. Do not modify or repair the product.
3. Do not use the product in case of defects or visible damages.

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Graphic-based manual
DB-CO | D-SetCO – 6721848552 (2022/02)
WARNING
Risk to life!
Do not try to repair the device. It has the risk of electrical shock or malfunction if the
device is tampered with.
5 Graphic-based manual
When reading the graphic-based manual, please consider the following:
Graphic number and relevant title
Each graphic has a number associated that can be found at the bottom of the frame.
Some graphics have a relevant correspondent legend, such as:
• Graphic 11 – warm up
• Graphic 13 – normal operation
• Graphic 14 – warm up
• Graphic 15 – device test
• Graphic 16 – alarm
• Graphic 17 – silencing the CO alarm warning
• Graphic 19 – alarm memory
• Graphic 20 – a) blocked device, b) reset blocked device
• Graphic 21 – alarm faults
Table 1 Symbol description
Carbon monoxide warning Humidity
Five years warranty Information
Waste Electrical and Electronic Equipment
(WEE) - European Directive (2012/19/EU)
Installation
Product type Maintenance
Battery life Warning
Temperature Danger to life
x

9
Graphic-based manual
DB-CO | D-SetCO – 6721848552 (2022/02)
Importer
Bosch Thermotechnology Ltd.
Cotswold Way, Warndon
Worcester WR4 9SW
United Kingdom

10
Allgemeine Sicherheitshinweise
DB-CO | D-SetCO – 6721848552 (2022/02)
1 Allgemeine Sicherheitshinweise
Alle Anweisungen müssen befolgt werden. Bei Nichtbeachten sind Sachschäden und
mitunter lebensgefährdende Personenschäden möglich.
Sicherheit elektrischer Geräte für den Hausgebrauch und ähnliche Zwecke
Zur Vermeidung von Gefährdungen durch elektrische Geräte gelten entsprechend
EN 60335-1 folgende Vorgaben:
"Dieses Gerät kannvon Kindern ab 8 Jahren und darüber sowie von Personen mit
eingeschränkten physischen, sensorischen oder mentalen Fähigkeiten oder Mangel
an Erfahrung und Wissen benutzt werden, wenn sie beaufsichtigt oder bezüglich des
sicheren Gebrauchs des Gerätes unterwiesen wurden sowie die daraus resultieren-
den Gefahren verstehen. Kinder dürfen nicht mit dem Gerät spielen. Reinigung und
Wartung dürfen nicht von Kindern ohne Beaufsichtigung durchgeführt werden."
Lebensgefahr durch Kohlenmonoxid
Kohlenmonoxid (CO) ist ein giftiges Gas, das unter anderem bei der unvollständigen
Verbrennung fossiler Brennstoffe, z. B. Öl, Gas oder Festbrennstoffe, entsteht.
Wenn Kohlenmonoxid aufgrund einer Störung oder einer Undichtigkeit aus der Hei-
zungsanlage austritt und sich unbemerkt in Innenräumen ansammelt, besteht Ge-
fahr.
Kohlenmonoxid ist geruch- und geschmacklos sowie nicht sichtbar.
Das Gerät ist nicht geeignet, chronische Auswirkungen einer CO-Exposition zu ver-
hindern. Es dient nicht zum vollständigen Schutz von Personen mit besonderen Risi-
ken.
Heizungsanlage regelmäßig durch einen zugelassenen Fachbetrieb inspizieren und
warten lassen.