2  Unit installation
52
SMGB0077 rev.0 - 01/2013
2.6  RPI - Ducted indoor unit (8-10)FSN3E
2.6.1  Accessories supplied with the unit
Check that the following accessories are supplied with the unit.
N O T E
Please contact your HITACHI distributor if any of the accessories has not been supplied with the unit.
 
Accessory Appearance Quantity Purpose
Piping adapter
(Ø19.05 x Ø25.4)
(For 8 HP only)
1
Reducer boss for refrigerant piping on 
the indoor unit
Piping adapter
(Ø22.2 x Ø25.4)
(For 10 HP only)
Piping adapter
(Ø9.52 x Ø12.7)
(For 10 HP only)
2.6.2  Unit installation
Initial checks
RPI - Ducted indoor unit (8.0/10.0)FSN3E
1. Rear.
2. Unit inspection and maintenance access.
3. Front side.
Check  that  there  is  enough  space  around  the  unit.  Consult  the 
corresponding chapter of the Technical Catalogue for information 
on the unit measurements.
Before  starting  installation,  plan  the  direction  of  the  pipes  and 
wiring  required.  Also  bear  in  mind  that  there  must  be  enough 
space around the unit for installation and maintenance.
Check that the ceiling surface where the unit is to be installed is 
completely horizontal.
Check  that  the  drain  hose  can  be  installed  maintaining  the 
necessary down-slope.