Observe the air flow and rotational direction according to the arrows on sticker [S] → Unit overview.
Use ducts (folded spiral-seams ducts) that match the nominal size of the unit variant.
Observe the roof’s permissible load-bearing capacity (min. of 200 kg/m², for heavy units a min. of 300 kg/m²).
Lay connecting cables (ventilation duct, power cable, control cable) at the installation site.
The customer must provide suitable mounting material (strength class 8.8) which is sufficiently dimensioned to support the basic unit.
To avoid sound bridges to the building structure, observe the planning instructions regarding the unit position and distances to other façade components. If necessary, use isolating elements.