2 Unit installation
RPI - Ducted indoor unit (8/10)FSN3E(-f)
SMGB0099 rev.0 - 12/2016
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2.6.3 Air duct connection
? NOTE
• Use eld-supplied exible ducts to avoid abnormal acoustic vibrations.
• RPI units are supplied with a standard air lter on the suction side. This lter is supplied for cases where no suction duct is applied (or
when the duct is very short).
Secure the exible air duct to the outsides of the hoses supplied with the unit.
Bear in mind the following instructions depending on the installation type:
1 Where the suction duct is not used, keep the standard air lter.
2 Where the suction duct is used, t the air lter at the suction duct 
inlet point, removing the standard air lter from the unit. This air 
lter must be eld-supplied or a factory-adapted one must be 
used.
Outlet air
Inlet air
Air lter (eld supplied)
Outlet air
Inlet air
Air lter
Damper
(eld supplied)
Air lter 
(eld supplied)
Insulated duct (installed on the
outer side of the anges)
Flexible duct installation
(rubber or textil material)
2.6.4 Maintenance of the suction air lter
Simply remove the set screws from the bar -1- (4 screws) and remove it to pull the lter downwards.
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