Mounting Of Indoor Unit - Hitachi RCI-1.0FSN3 Service Manual

2 Unit installation
Opening of false ceiling
Cut out the area for the indoor unit in the false ceiling and install suspension bolts, as shown below:
Check to ensure that the ceiling is horizontally level, otherwise water can not flow.
Strengthen the opening parts of the false ceiling.
Mounting of suspension bolts
Mount suspension bolts using M10 (W3/8) as size, as shown.

Mounting of indoor unit

Mount the nuts and the washers to the suspension bolts. Put the washer so that the surface with insulation can faces
downwards as shown below:
Consider piping connection side before lift indoor unit.
Lift the indoor unit by hoist, and do not put any force on the drain pain.
Secure the indoor unit using the nuts, washers.
17
SMGB0077 rev.0 - 01/2013
Dimension of Opening: 860 to 910
Dimension of Suspension
Piping
Connection
Side
For concrete slab:
Insert (100 to 150Kg)
150 to 160mm
Concrete
Steel
Anchor Bolt (W3/8 or M10)
Suspension Bolts (field-supplied)
Nut (field-supplied)
Washer with Insulation (accessory)
Suspension Bracket (attached indoor unit)
Washer (accessory)
Nut (field-supplied)
Gas piping
connection
Liquid piping
Panel (to be installed
Drain piping
later, shown only as
connection
a reference)
Unit size: 840
Bolts: 760
4-Positions of
Suspension
Bolts
(mm)
Optional Panel
Drain Piping
Connection Side
For steel beam:
I-Beam
Suspension Bolt (w3/8 or M10)
(mm)
Surface of ceiling
Suspension bolts (4)
False ceiling
Suspension
bracket
Open the knockout hole
for wiring
Wiring hole
2