Hitachi RAI-50PPD Manuel D'installation Et De Fonctionnement page 35

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INSTALLATION OF OPTIONAL AIR PANEL: P-AP56NAM
4 Remove the corner pocket covers.
The corner pocket covers can be removed pulling Ⓐ part
toward the arrow direction in the figure below.
5 Check to ensure that the distance between the indoor unit
undersurface and the false ceiling undersurface is 16
as shown in the figure below.
False ceiling
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.
25
PMML0477 rev.2 - 11/2017
A
+3
mm
0
Indoor unit
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.
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.
Refrigerant pipe
Electrical box
Fixing plate
(Indoor unit)
A
Indication
"PIPE SIDE"
Air panel
Long screw (Q'ty: 4pcs.)
Enlarged view
Bottom side of
indoor unit
Fixing screw for air panel
+3
mm. If the position and
0

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Rai-60ppd

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