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3.2
Thermal detector function/deactivating the smoke detector
The thermal detector operates on the temperature rise principle and
triggers an alarm if:
• the rate of heating of the surrounding air exceeds the normal range,
• the temperature of the surroundings reaches a value between 54 °C
and 70 °C.
Because it is possible to deactivate smoke detection on the Dual/VdS
smoke detectors, they are also suitable for installation in areas where
conventional smoke detectors cannot be used.
• in rooms where smoke detection is not appropriate, such as kitchens
(steam from cooking) and bathrooms (condensation),
• rooms where there is a lot of dust (e.g. garages).
In such cases, it can make sense to deactivate the smoke detection in
order to avoid false alarms. In such cases the smoke detector will only
function as a thermal detector.
Proceed as follows to deactivate smoke detection (deactivation is not
permitted while an alarm is ongoing):
1) If necessary, remove the battery as the slide switch is located on the
PCB under the battery compartment.
2) Break out the cover over the slide switch using a suitable tool.
2) Insert the terminal block in the corresponding holder in the
mounting plate.
For wired networks where the 230 V base is used, please refer to the
corresponding Installation and User Manual.
It is not possible to create a wired network with modular/VdS smoke
detectors.
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