Description 3
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3.5.9 Light switch
The lighting can be or is connected to an on-site light switch or controlled by the building control sys-
tem to be switched OFF or ON.
3.5.10 Lighting control
The lights can be turned on or off via an on-site light switch or over the building control centre.
3.5.11 Air curtain control
Direct ventilation to the interior via an air duct built into the doorway.
The air curtain is controlled by a potential-free door contact that triggers once the turnstile starts to ro-
tate.
3.5.12 Presence sensors for alarm system
For alarming there are presence sensors in the drum ceiling, which detect people inside the drum
chamber. After detection of a person a message follows over a potential free contact to the on-site
alarm system. The alarm sensors are only activated when the revolving door is in the OFF operating
mode.
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