Hitachi P-AP56NAM - Page 19

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