www.blaubergventilatoren.de
vento expert (Duo) a50(30)-1 Pro/Pro3
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VENTILATOR CONTROL WITH THE BUTTONS ON THE INDOOR UNIT
The speed selection sequence is as follows: I-II-III-Standby. All the units integrated in a single network operate according to
the speed settings of the Master unit.
I: permanent indicator glowing indicates operation of the unit at Speed I.
The indicator blinks when the first speed timer is activated.
I and II: permanent glowing of the indicators I and II indicates operation of the unit at Speed II.
I, II and III: permanent glowing of the indicators I, II and III indicates operation of the ventilator at Speed III. Blinking of the
indicators I, II and III indicates activation of the timer for Party mode or the turn-off delay timer triggered by any connected
external sensors or the integrated humidity sensor.
Regeneration mode
Vento Expert A50-1 Pro/Pro3
The rotation direction of the fan changes to opposite every 70 seconds. Heat recovery is performed in this mode.
Vento Expert Duo A30-1 Pro
The rotation direction of both fans changes to opposite every 70 seconds. Heat recovery is performed in this mode.
Ventilation mode
Vento Expert A50-1 Pro/Pro3
The ventilator operates in permanent supply or extract mode at a set speed. The air flow direction depends on positioning
of the DIP switch (set to air extract by default).
Vento Expert Duo A30-1 Pro
One fan operates in the air extract mode and the other fan operates in the air supply mode at a set speed. The fans do not
change their rotation direction.
Filter
Contamination indicator of filters.
90 days (continuous operation) after installation of the cartridge the Filter contamination
indicator starts glowing. In this case, clean or replace the filters (see the “Technical maintenance” section).
In case of in-series connection, the Master ventilator indicator has a steady glow and the indicator of the ventilator requiring
filter replacement blinks.
To reset the filter timer, turn the DIP switch No. 8 on for not less than 3 seconds and then turn it off.
Alarm
Alarm indicator for emergency shutdown of the unit.
Permanent glowing of the Alarm indicator of the Master unit
indicates an alarm in the network of the connected ventilation units. Its blinking indicates shutdown of a specific ventilation
unit in the network.
In case of an emergency shutdown of a Vento Expert A50-1 Pro/Pro3 unit in the network the defective ventilation unit is
marked with the blinking Alarm indicator. All the connected Vento Expert A50-1 Pro/Pro3 ventilation units are also stopped.
In case of an emergency shutdown of the Vento Expert Duo A30-1 Pro unit, the defective ventilation unit is marked with the
blinking Alarm indicator. The defective ventilation unit shuts down and the other connected ventilation units continue their
operation.
Master
Master unit indicator.
Permanent glowing of the indicator shows the leading unit in the network (Master unit). Indicator
blinking indicates the driven unit (Slave unit) and no connection to the Master unit.
No glowing of the lamp indicator means that this ventilation unit is a Slave ventilation unit and it is connected to a Master
unit.
REMOTE CONTROL OF THE VENTILATION UNIT
Turning the ventilator on/off. The unit may be turned off only if it is enabled by the settings.
Reset of alarm and timer settings.
Ventilator speed selection: III-II-I speeds respectively.
Regeneration mode
Vento Expert A50-1 Pro/Pro3
The rotation direction of the fan changes to opposite every 70 seconds. Heat recovery is performed in this mode.
Vento Expert Duo A30-1 Pro
The rotation direction of both fans changes to opposite every 70 seconds. Heat recovery is performed in this mode.
Ventilation mode
Vento Expert A50-1 Pro/Pro3
The ventilator operates in permanent supply or extract mode at a set speed. The air flow direction depends on
positioning of the DIP switch (set to air extract by default).
Vento Expert Duo A30-1 Pro
One fan operates in the air extract mode and the other fan operates in the air supply mode at a set speed. The fans
do not change their rotation direction.
Timer buttons:
Party mode: 4 hours at the Speed
III
.
Night mode: 8 hours at the Speed
I
Upon expiration of the set time period the ventilator reverts to a pre-set speed.
Press any button of the manual speed setting to deactivate the timer.
