Hitachi FSG Series, Technical Catalogue

Page: 239 / 424

UNITS INSTALLATION
12
/9
12.3.3 OPENING OF FALSE CEILING AND
SUSPENSION BOLT
Cut out the area for the indoor unit in the false ceiling and
install suspension bolts, as shown below.
Model A (mm) B (mm)
RCD-1.0
RCD-1.5
RCD-2.0
RCD-2.5
RCD-3.0
1060 889
RCD-4.0
RCD-5.0
1620 1450
Check to ensure that the ceiling is horizontally level,
otherwise drain water cannot flow away.
Strengthen the opening parts of the false ceiling.
12.3.4 INSTALLATION
n
Mounting of Suspension Brackets (Factory-
Supplied)
Mount the suspension brackets to the suspension bolts
and fix them with nuts (Factory -Supplied), as shown
below
§
Mounting of Indoor Unit
Lift the indoor unit by hoist, and do not apply any force
on the drain pan.
Hook the indoor unit on the suspension brackets.
Fix the unit using the nuts, flat washers and spring
washers (These nuts and washers are supplied (4
pieces each)).
n
Adjusting of Space Between Indoor Unit and
False Ceiling Opening.
Adjust the indoor unit to the correct position while
checking with the installation pattern and gauge (factory-
supplied) as shown below.
Suspension Bolts (Field-Suppl.)
Nut (Field-Supplied)
Washer (Field-Supplied)
Nut (Field-Supplied)
Washer (Field-Supplied)
Suspension Bracket
Ceiling
~ 5
0
115
~6
5
(mm)
A (Opening)
B (Suspension)
Panel
Piping
Piping
Wireless Receiver,
with Wireless Receiver Type
Suspension
650 (O
pening)
530 (Su
s
pe
nsio
n)
View from Top
Paper Pattern
M6 Screw
(factory-supplied)
Suspension
Bracket
Adjustment
Range (3~4mm)
Fixing Bracket
for Panel
Fixing Bracket
for Panel
Touch to
Ceiling
Ceiling
Unit
Opening
Unit
(mm)
Suspension
Bracket
Ceiling
28
115