Hitachi FSG1 Series Technical Catalogue page 248

UNITS INSTALLATION
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4. Mounting the Indoor Units
Check to ensure that the unit is completely hooked onto
the mounting bracket. If not, it may drop from the
bracket, resulting in a serious accident.
5. Removing the Front Panel
In order to connect the refrigerant piping, wiring and to
check drain water flow, removing the front panel is
needed. Perform these work according to the following
instructions. Pay attention to the resin components not to
scratch.
Press the intake grille as shown
§ Remove the two screws at the center of the intake grille,
and then press the intake grille. Remove three
bushings as shown and remove the screws as shown
below.
Bush
Screws
§ Slowly pull the lower side of the front panel at your side
by paying attention to the air outlet part without touching
the outlet grille.
Min. 100
Service Space
Hole (65 x 115)*
(Left Rear Side Connection
for Pipe and Wiring)
* Hole to be made on wall
This line indicates the unit exterior contour
Dimensions of the mounting bracket
Intake Grille
Slowly pull the lower side of the
intake grille at your side
Screws
Front Panel
§ Slightly lift the front panel upward in order to release the
combined parts (three parts) of upper side of the front
panel.
Front Panel
&
CAUTION:
When removing front panel, do not apply strong
forces by hitting, etc. It may break the unit body.
6. Putting back Front Panel
§ Firstly put back the lower side of the front panel, and
then combine three parts of upper side of the front
panel.
§ Open the inlet grille as shown in ,and fix the screw at
the center of the inlet grille.
§ There are three stoppers inside of the front panel.
Check to ensure that there is no gap between front
panel and unit body.
Stoppers
&
CAUTION:
Any gap may cause air leakage or dewing.
Front Panel
Extrusion
Stopper
Square Hole
Unit body
No gap
Min. 100
Mounting Bracket
Hole (Ø65)*
(Right Rear Side
Connection for Pipe
and Wiring)