Hitachi RPIH-4.0FSRE Manuel D'installation Et De Fonctionnement page 37

INDOOR UNITS INSTALLATION
4.3.3 Drain pan level
Check to ensure that the foundation is flat, 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
4.4 SERVICE AND OPERATION SPACE
?
N O T E
A service access from the bottom side is required for servicing and maintenance.
4.4.1 Service space for electrical box
b
a
Electrical
box
Service space (mm)
a b c
800 300 1474
7 PMML0529 rev.1 - 02/2021
c d
Top view
d e f
100 1000 657
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.
?
N O T E
Keep the unit as well as relevant equipment covered with the vinyl cover
during installation work.
4.3.4 Static pressure setting
RPIH 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.
4.4.2 Service space for lower extraction of the
air filter
e
f
e
a
Service space (mm)
a b
1420 200
b