Duomo CellAir Benutzerhandbuch - Seite 2

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SEU (Sensor Unit) Function Instruction
The SEU should be placed in a room where the CO
like an area with CO
beverages. The large LCD displays the ambient CO
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The SEU has several functions. These are;
"DIAG" - Performs a communication test between the SEU and RDU.
"CALI" - Calibrates the unit to the ambient air.
"ReFactSet" - Restores the unit to its factory default settings.
"AL1"- Sets the 1st alarm level to 0.5, 1, 1.5 or 2% CO
"AL2" - Sets the 2nd alarm level to 1.5, 2, 2.5, 3, 3.5 or 4% CO
When CO
concentration exceeds the first alarm level, the red AL1 LED will blink and the alarm will sound
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intermittently. At this stage, the relay will be actuated. When levels drop back below the alarm level, the LED will
stop blinking and the alarm will stop sounding.
When concentrations exceed the second alarm level, both AL1 and AL2 LED's will flash and the alarm will sound
more quickly. The alarm will remain in this state until the
In the case of very high concentrations, 'ESC' will appear on the screen of the unit. It is imperative that the area be
completely ventilated and that no one enters the area until concentrations have dropped. To reset the unit, use
the "ReFactSet" function.
RDU (Remote Display Unit) Function Instruction
The RDU (Remote Display Unit) should be placed outside the room which is being monitored. This unit is
connected to the SEU by the communication cable provided. It should be placed where it can be conveniently
seen before entering the room where the SEU is located. The RDU is a repeater and displays the measurements
made by the SEU on an LCD. The RDU can be placed a maximum of 24 metres (78.7 feet) away from the SEU.
The RDU also has the "DIAG" function to test the comms between the SEU and the RDU.

Safety Notes

Warning: To ensure this product is used correctly and safely, please read these warnings and the entire user
manual before use.
Please handle the device carefully; do not subject the product to impact or shock.
1.
2.
Do not place the unit, or the adaptor, near a heat source.
3.
Do not touch the exposed electronic circuitry of the device under any circumstances.
Please only use the included power adaptor.
4.
5.
Make sure that the power adaptor is mounted using the plug lock so that it cannot be removed without the
use of tools.
6.
DO NOT enter the room when "ESC" is displayed on the LCD of the SEU or RDU. Some action must be taken
before entering the room where the SEU is installed.

Maintenance

We recommend that users test the communication between the SEU and RDU using the "DIAG" function
periodically. If the four LED's flash and the alarm sounds on both units then the system is functioning normally.
w: www.duomo.co.uk
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is likely to accumulate such as a room where CO
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concentration and the temperature.
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concentration (default is 1.5%).
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concentration (default is 3%).
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button has been pressed.
t: 01905 797989
f: 01905 774296
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is stored,
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© Duomo (UK) Ltd. 2016
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