Switching demand-driven mode on/off

Automatic function differs depending on control and ventilation unit. Automatic symbol only on RLS 45 K

Function of demand-driven mode: Continuously variable control of ventilation levels depending on sensor measurements. Is used to dehumidify the air or improve the room air quality.

RLS 45 O, RLS 45 K and PP 45 RC units: This function is only available with a connected and/or installed/taught-in sensor. The function can be activated in heat recovery or cross-ventilation mode.

PPB 30 K units on RLS 45 K / PPB 30 RC: In demand-driven mode, the ventilation level is always regulated using the measurements from the humidity sensor inside the unit.

Switching on: Select ventilation level 3.
Switching off: Select another ventilation level.
Display: Level 3 lights up.

To switch on or off, press
or button for 2 seconds. When function is switched on, the LED lights up continuously.

To switch on or off, press
or button for 2 seconds.
LED lights up for 5 seconds when switching on:
orange with heat recovery ventilation
blue with cross-ventilation