Hitachi FSG Series, Technical Catalogue

Page: 240 / 424

12
/10
UNITS INSTALLATION
&
CAUTION:
Check the level of the unit using a water level or
transparent plastic tube containing water, as shown
below, to avoid incorrect operation of the drain
discharge mechanism in the indoor unit. The drain
piping side of the indoor unit must be approximately
5 mm lower than the other parts.
Tighten the nuts of the suspension brackets after
adjustment is completed. Apply LOCK-TIGHT paint*
to the bolts and nuts in order to prevent them from
loosening. If not done, abnormal noises or sounds
may occur and the indoor unit may fall down.
§
Adjust the indoor unit to the correct position while
checking with the checking scales (factory-supplied).
12.3.5 AIR PANELS FOR INSTALLATION
P-G23DWA1, P-G46DWA1
&
CAUTION:
When the air panel is unpacked, place it on insulation
material, etc. to protect the sealing insulation from
scratches.
■
Factory-Supplied Accessories
Check to ensure that the following accessories are packed
with the air panel.
Accessory Quantity Purpose
Long
Screw
(M6×50)
4 For Fixing Panel
Long
Screw
(M6×30)
2
For Fixing Panel
(only for P-G46)
Check to ensure that the suspension brackets (field-
supplied) of the indoor unit are located approximately
175 mm higher than the false ceiling.
■
Remove Air Intake Grille from Air Panel following the
next Steps:
1. Open the air intake grille to an angle of approx. 40º
from the surface of the air panel.
2. Lift the grille keeping it inclined.
3. Draw the grille towards the open space after lifting.
■
Installing Air Panel following the next steps:
1. Hang the air panel from the indoor unit by hooking
the U-shaped wires of the air panel into the hook wires
of the indoor unit.
2. Check to ensure that the location of the electrical box
of the Indoor unit coincides with the location of the
wiring outlet of the air panel.
3. Raise up the air panel onto the indoor unit, then fix the
air panel by using factory-supplied long screws.
Drain Pipe
Bracket
for Panel
Clear
Vinyl Tube
Adjust 4 corners
of the unit using
clear vinyl tube
with water inside.
Correct
Approx. 40º
Air Intake Grille
Air Filter
Air Panel
Wrong
Take up the grille keeping it inclined
Ceiling
Air Discharge
Auto Swing Motor Air Discharge
Wireless
Receiver Part
Indoor Unit
Long Screw (A) x4
(M6x50
Long Screw (B) x4
(M6x30, Only for P-G46)