remove the stay support (3 screws) from the unit and pull down the Air
Filter.
3.1.6 fan Performance Curve
These units provide three options for the installation: High static pressure, standard static pressure or Low static pressure conditions in each particular
installation, as shown below Fan Performance Curve.
RPI-2.0
RPI-4.0
N O T E :
"●": Nominal Point
"*": Standard Air Filter Pressure Lost
Air Filter
RPI-2.5
Air flow (m³/min)
RPI-5.0
Air flow (m³/min)
5
PmmL0230A rev.1 - 06/2011
3.1.5 Air Suction Direction Change
Inlet Air
direction
Ê
Back Cover
For rPI-(2.0-6.0) FSN3E units, Air Suction direction could be modified by
changing Back Cover direction as shown in the diagram.