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Click .
The dialog Ventilation System opens.

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If required, select a different ventilation unit for this ventilation zone from the Central Unit drop-down list.
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Next to the Central Unit drop-down list, click on
to select optional accessories for the ventilation unit or to adjust standard accessories. -
In the area Ventilation System Settings, click on
in the rows for outdoor or exhaust air ducts to select optional accessories for the air ducts or to adjust standard accessories. -
Click on Change Settings to change the set pipe systems, ducts or manifold.
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Click OK to close the dialog.
Editing the Ventilation System of a Ventilation Zone
Shows step-by-step how to edit an already created layout of a ventilation system for a ventilation zone.
The ventilation system settings are adjusted according to the requirements of the selected ventilation zone.