Opening Of False Ceiling And Suspension Bolt; Installation - Hitachi FSG1 Series Technical Catalogue

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.
A (Opening)
B (Suspension)
Wireless Receiver,
Suspension
with Wireless Receiver Type
Panel
View from Top
Model
RCD-1.0
RCD-1.5
RCD-2.0
RCD-2.5
RCD-3.0
RCD-4.0
RCD-5.0
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
Suspension Bolts (Field-Suppl.)
Nut (Field-Supplied)
Washer (Field-Supplied)
Suspension Bracket
Nut (Field-Supplied)
Washer (Field-Supplied)
Ceiling
Piping
Piping
A (mm) B (mm)
1060 889
1620 1450
(mm)
UNITS INSTALLATION
§
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)).
Paper Pattern
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
Bracket
Ceiling
Unit
Opening
12
/9
Suspension
Bracket
Adjustment
Range (3~4mm)
Fixing Bracket
for Panel
M6 Screw
(factory-supplied)
(mm)
Unit
Fixing Bracket
for Panel
Touch to
Ceiling
Ceiling