Page 15 from 40 6720803522 AD HP270-1 2012/03 en
For the ducted installation solution, the pipes can be connected to the exterior or to an adjacent room, as long as
the ambient air conditions are ensured.
The ambient air temperature for operation must be 5ºC and +35ºC. In case of ducted installation to outside,
it is strongly recommended to use the wall facing the best sun exposition condition (south, in case of Europe).
a)indoor wall b)outdoor wall
Pict.18 – Ducts configuration
Ducts can be assembled horizontally or vertically.
Pict.19 – Possible ducts orientation vertical / horizontal passage