30
5 Operation
5.1 Display & programming unit
You can configure all the most important
settings via the user interface.
4
1
5
2
3
1 Current fan stage
2 Switch on/fan stage up
3 Switch off/fan stage down
4 Eco mode
5 Quick ventilation mode
5.2 Modes & functions
Eco mode (heat recovery)
The fans change direction every 50-
70 seconds, depending on the fan
stage.
Quick ventilation mode
The rotation direction of the fans re-
mains constant; heat recovery is una-
vailable. You can choose the rotation
direction by simultaneously pressing
both left or right buttons.
5.3 Modes configuration
Quick ventilation mode
To reverse the start direction of the fans,
press the „Up arrow“ and „Eco mode“
buttons simultaneously. The four LEDs
confirm this by flashing and the fans then
change direction. To change direction
again, press the „Down arrow“ and „Quick
ventilation mode“ buttons simultaneously.
This is once again confirmed by the LEDs
flashing.
