On the front and rear side of the unit a rectangular port (with flange) helps during duct mounting. (fig.
Rear and front flange for the air intake. The value included in the brackets is referred to the model X18. (fig.
Discarge air duct (optional accessory). Contact the After Sale Service. (fig.
Remove the filter and pour, inside the condensate drain pan, 0.5 liter of water. Start the unit checking for proper drain pump operation. (fig.
Fig.
2-1 Duct for fresh air
Outlet conduct
Intake coduct
False ceiling
Fig.
Air intake
Fig. 2-12
Fig.
2
1
There is a duct connection port for drawing in fresh air.
The supplementary fan motor for outside air intake has to be supplied separately and controlled by a bipolar
Fresh air flow must be about 10% of the total air flow to avoid operating problems and noise.
• Open the
•Install an outside grille with filter inspection port to prevent dust and leaves from entering and fouling the indoor unit heat exchanger.
6