Operating
20
Operating instructions
Using the extraction mode/recirculated air
mode selection
This function is disabled by default.
This function can only be used:
Ø
after the function has been activated in
configuration mode and
Ø
when used in conjunction with a berbel
BMK F wall box and a BHF hybrid filter.
You can choose between the extraction mode and
recirculated air mode at any time.
When the windows are shut, the device turns
off the extraction mode if the window contact
is closed. When switching to recirculated air
mode, the last selected power level is turned
on and the BMK F wall box is closed.
In recirculated air mode, use the run-on time
so that the filter can reach its maximum
service life.
If the extraction mode / recirculated air mode function
is activated, the control symbol is dimly lit.
The device works in the extraction mode, i.e. the
BMK F wall box is open, and the air drawn into the
device is fed outside.
To switch to recirculated air mode:
Ø
Briefly touch the touch pad
.
The control symbol lights brightly.
The device operating mode is switched from extraction
mode to recirculated air mode, the control symbol is
brightly lit and the BMK F wall box is closed. The air
drawn into the device is fed back into the room.
To change from recirculated air mode to extraction
mode:
Ø
Briefly touch the touch pad
.
The control symbol is dimly lit and the BMK F wall
box opens.
