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vento expert (Duo) a50(30)-1 Pro/Pro3
17
Maintenance of the ventilator means regular cleaning of the ventilator surfaces of dust and cleaning and/or replacement of the filters.
After the set filter replacement periodicity (90 days) has expired the
Filter
indicator starts glowing.
Before performing technical maintenance turn off the ventilator using the remote control or the buttons on the indoor unit. Then
disconnect it from the power supply using the circuit breaker. After doing so, act as follows:
Vento Expert Duo A30-1 Pro
1. Press the latches on the side of the indoor control unit to take off the front part. Then open the latches and remove the front panel.
Remove the filters for cleaning. Perform all the above operations in the reverse order after cleaning.
Vento Expert A50-1 Pro/Pro3
1. Press the latches on the side of the indoor control unit to take off the front part.
Please make sure the louver actuator rod is in lower position during re-installation of the front panel. If the thermal actuator rod is up,
please wait for about 2 minutes until it goes down.
While installing the front
panel the thermal actuator
rod must be in low position.
2. Disconnect the connector from the circuit board. Do not remove the connector by pulling the wires. Use a flat screwdriver to uplift
it, if required.
Vento Expert Duo A30-1 Pro Vento Expert A50-1 Pro/Pro3
Disconnect the socket from the
circuit board.
Disconnect the socket
from the circuit board.
Do not pull on
the electric cable!
Use a flat screwdriver to
disconnect the socket.
TECHNICAL MAINTENANCE