Hitachi RPI-1.5FSRE - Page 38


Suction air lter servicing
There are two options for lter extraction, depending on the
location of the unit:
• Lower extraction:
a. Turn 90° the xing screw and remove the lower air lter
support from the unit.
b. Pull down the air lter.
Air lter support
Air lter
Fixing screw
• Generic Lateral extraction:
a. Turn 90° the xing screw and remove the lateral Air Filter
support from the unit.
b. Pull the Air Filter and fold it over the joint as much as you
need for the extraction.
Air lter support
Air lter
Fixing screw
180° in any
direction
• Lateral extraction for RPI-(1.5~2.0)FSRE:
Optionally, the RPI-(1.5~2.0)FSRE unit allows access to the
lter from the opposite side for proper maintenance.
a. Turn 90° the xing screw and remove the lateral air lter
support from the unit.
b. Pull the air lter and fold it over the joint as much as you
need for the extraction.
Air lter
support
Air lter
Fixing screw
180° in any
direction
4.3.3 Drain pan level
Check to ensure that the foundation is at, taking into account
the maximum foundation gradient.
The unit should be installed so that the drain pipe side of the
unit is slightly (approximately 5mm) lower than the other side, in
order to avoid the incorrect position of the drain discharge.
Front view
Condensate drain connection
Tighten the nuts of the suspension bolts with the suspension
brackets after adjustment is completed.
Special plastic paint must be applied to the bolts and nuts in
order to prevent them from loosening.
? NOTE
Keep the unit as well as relevant equipment covered with the vinyl cover
during installation work.
4.3.4 Static pressure setting
RPI units have been provided by three Static Pressure levels
regulation depending on the installation requirements:
• High Static Pressure
• Standard Static Pressure (Factory setting)
• Low Static Pressure
Static Pressure setting shall be made from the Remote Control
Switch. For changing to High and Low Static Pressure level,
refer to Installation and Operation Manual remote control.
INDOOR UNITS INSTALLATION
PMML0528 rev.1 - 02/2021
8