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dust and water presence
In areas with a high degree of dust loading, use a dust-proof filter, which at the same
time should not obstruct the freeway from gas to sensor. In damp areas a water drop
protection has to be made.
IV. OPERATING INSTRUCTIONS
The gas detector "Gas Alarm DG510/CG" is calibrated with a standard gas mixture
and by correct mounting no additional settings and calibration should be necessary. After
switching on the power supply follows an initial activation process of the sensor for 1-2 min.
After this process the gas detector enters a standard operation mode.
4.1. Visual and audible alarm
- Clean air
The green LED "ON" is blinking, no sound alarm
- CO concentration has reached or exceeds the pre-alarm level "ALARM 1"
The red LED "ALARM 1" is lighted up, repeated short beeps every 2s
- CO concentration has reached or exceeds the alarm level "ALARM 2"
The red LED "ALARM 2" is lighted up, continuous sound alarm
4.2 Programming the alarm levels of "Gas Alarm DG510/CG"
4.2.1 Setting the pre-alarm level "ALARM 1"
Switch G should be switched to '1' (see Fig.1). Using the switches B, C, D and E can
be set the desired pre-alarm level, according to Table 1. Then the button should be pressed
and hold for about 10 sec. If the newly adjusted value is saved successfully the buzzer will
emit a short beep. After this procedure the switches should be put back to default positions as
shown in Fig. 1 („ABCDEFGH" = „00000000").
4.2.2 Setting the alarm level "ALARM 2"
Switch H should be switched to '1' (see Fig.1). Using the switches B, C, D and E can
be set the desired alarm level, according to Table 1. Then the button should be pressed and
hold for about 10 sec. If the newly adjusted value is saved successfully the buzzer will emit a
short beep. After this procedure the switches should be put back to default positions as
shown in Fig. 1 („ABCDEFGH" = „00000000").
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