Fan; Gas Valve - Vetus GD1000 Manuel D'utilisation Et Instructions D'installation

3.5 Switching off the acoustic alarm
If there is an alarm situation the acoustic alarm (buzzer) can be switched off by pressing
the button.
If the alarm situation still exists 5 minutes after the button has been pressed the
acoustic alarm will be switched on again.

3.6 Fan

Use the button to switch the fan on and off. When the fan is switched on the green
LED above the button will be on. This LED will flash if the battery voltage is too
low.
The fan is switched on automatically if there is an alarm situation.

3.7 Gas valve

Use the button to open or close the gas valve. When the gas valve is open the
green LED above the button will be on. This LED will flash if the battery voltage is
too low.
If the gas valve is opened the gas detector is automatically set to continuous
mode.
The gas valve is automatically closed if there is an alarm situation as a result of too high
a concentration of combustible gas or too high a concentration of CO.
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100105.02 Gas detector GD1000