2  Unit installation
28
SMGB0077 rev.0 - 01/2013
2.2  RCIM - 4-way cassette (compact)
2.2.1  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
Checking pattern 
(Cut out from the carton 
board)
1
To dene the position of the unit and 
adjust the necessary opening in the false 
ceiling. 
Washer with insulation (M10)
4
For unit installation
Washer (M10)
4
Drain hose
1
For the drain hose connection.
Wire clamp
1
Insulation (big size)
1
For the refrigerant pipe connection.
Insulation (small size)
1
Insulation (5t)
1 For drain hose insulation.
Cord clamp
6 For xing refrigerant piping insulation.
2.2.2  Unit installation
Initial checks
Check that there is enough space between the false ceiling and 
the ceiling of the room to house the unit. Its height must be less 
than the measured distance. Consult the corresponding chapter of 
the Technical Catalogue for information on the unit measurements.
Unit high 295 in false ceiling
 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.
Install a service hatch near the pipe connection area and electrical junction box for installation and maintenance work.