Hitachi P-AP160NA1 Installation And Operation Manual page 19

Installation of optional air panel: p-ap160na1 / p-ap160nae
8.2 INSTALLATION
Check the indoor unit height from the false ceiling
  
surface
Check the distance between the indoor unit and the false ceiling.
It is 12+5mm as shown below.
Ceiling surface
If not, adjust the distance by using the checking scale with main-
taining the levelness of the indoor unit.
Removing Air Intake Grille from Air Panel.
  
1 Push both ends of knobs at the air inlet grille toward the arrow
direction, open the air inlet grille until the angle of approxi-
mately 45° from the air panel surface. After lifting the air inlet
grille keeping it inclined, draw the air inlet grille forward. (Re-
move the filament tape (4 portions) fixing the air filter.).
P-AP160NA1
Air inlet grille
Corner pocket cover
(4 portions)
P-AP160NAE
Supporting string
2 Lift the grille keeping it inclined
3 Draw the grille towards the open space after lifting.
N O T E
Perform the attaching work in the reverse procedure of removing
for install the air intake grille. The air inlet grille can be attached
from any 4 directions by rotating it. The air intake grille direction
can be selected freely.
17 PMML0280A rev.1 - 09/2014
Indoor unit
+5
12
0
Air panel
Knob
Installing Air Panel
  
1 Remove the cover of the corner pocket (4 portions). Remove
pulling A part toward the arrow direction.
2 Pull down the U-shaped hook (at 2 positions) located at the
indoor unit side.
3 Mount the air panel temporarily. Fit the corner position of the
refrigerant pipe connection at the indoor unit and the position
stamped as "Ref. Pipe ". Then, catch the C-shaped hinges (2
portions) onto the U-shaped hooks (2 portions).
4 Fix the air panel to the fixing plate by factory supplied long
screws (M6 cross screws).
Electrical box
Refrigerant pipe
connections
Stamp refrigerant
pipe
C-shaped hinge
5 Tighten the long screws until touching the stopper to the
fixing plate. Check to ensure that the distance between the
fixing plate undersurface and the corner panel undersurface
is 26mm.
6 When tightening the long screws to prevent air leakage and
to be no gap between the false ceiling surface and the indoor
unit, the inner circumference of the air panel (the position to
attach the air inlet grille) may be slightly deformed. However,
it is not abnormality.
A
Indoor unit
Fixing plate
U-shaped hook
Air panel
Long screws (Q'ty 4)