Hitachi RPC-1.5FSN3 - Unit Installation

2 Unit installation
RCI - 4-way cassette
SMGB0099 rev.0 - 12/2016
20
2.1.2 Unit installation

Initial checks
Install the indoor unit with a proper clearance around it paying careful attention of installation direction for the piping,
wiring and maintenance working space, as shown below.
Provide a service access door near the unit piping connection area on the ceiling.
(mm)
Service
Access Door
Service Access
Door
Piping
Connection
Drain Piping
Connection
Check space between ceiling and false ceiling is enough as indicated below.
Check the ceiling surface is at for the air panel installation work.
Clearance: 10-20mm
Unit High
In False Ceiling
Unit HP A(mm)
RCI-1.0 to 2.5HP 238
RCI-3.0 to 6.0HP 238

Opening of false ceiling
Cut out the area for the indoor unit in the false ceiling and install suspension bolts, as shown below:
20 20
840
760
2020
760
4-12 x32
Dimension of opening 860 to 910
(Unit size)
(Dimension of
suspension bolts)
Holes (for
suspension bolt)
(Dimension of suspension
bolts)
840 (Unit size)
Dimension of opening 860 to 910
Piping connection
side
Drain piping
connection side
4-Positions of suspension
bolts (M10 or W3/8)
(Field-supplied)
Check to ensure that the ceiling is horizontally level, otherwise water can not ow.
Strengthen the opening parts of the false ceiling.