Hitachi P-AP56NAM Installations- Und Betriebshandbuch Seite 19

AIR PANEL P-AP56NAMS
6 Fix the screw "A" to the mounting seat of the unit leaving the
screw thread approx. 33mm.
?
N O T E
Adjust the mark "PIPE SIDE" of the air panel and the piping connection
side of the unit when mounting the air panel. If not, it may cause air
leakage.
7 Temporarily fix the air panel as following procedure. Hang
the air panel through the panel hole to the fixing screw of "A"
(2 portions).
Fix the panel to the fixing screw "A" by rotating it.
8 Fix the air panel by the four fixing screws "A" and "B" (each 2
portions) securely as shown in the figure.
Do not use the impact driver or big torque tools using panel
mounting work.
Indoor unit
B
Mounting sheet
A
B
9 Tighten the long screws until touching the stopper to the
fixing plate.
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.
11 PMML0570 rev.0 - 01/2021
Refrigerant pipe
Electrical box
Fixing plate
(Indoor unit)
A
Indication
"PIPE SIDE"
Air panel
Long screw (Q'ty: 4pcs.)
False ceiling
Corner of air panel
?
N O T E
The standard installation dimension between the indoor unit under
surface and the false ceiling surface is 16
the levelness of the indoor unit are not correct, the air panel can not be
installed correctly.
?
N O T E
• Firmly tighten the long screws. If the long screws are tightened
insufficiently, it may cause the following failures.
Air leakage
Smudge
Dewing
• When there is still the gap even after tightening firmly the long screws
sufficiently, readjust the height of the indoor unit.
No gap shall exist.
•
Enlarged view
Bottom side of
indoor unit
Fixing screw for air panel
+3
mm. If the position and
0