Hitachi P-N23NA2 Installations- Und Betriebshandbuch Seite 15

INSTALLATION
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.
False ceiling
!
C A U T I O N
• If tighten long screws insufficient, may cause something wrong as
below.
Air Leakage
Smudge
6.4 ATTACHMENT OF CORNER COVER
Attach the corner covers after the air panel is mounted
completely.
a. Catch the band at the rear side of the corner cover onto
the projection at the air panel as shown.
b. Insert and push the fixing hooks (2 portions) at Ⓐ to the
air panel and insert and push the fixing hook (1 portion)
at Ⓑ to the air panel.
Corner with sensor
Projection
Band
5 PMML0569 rev.1 - 03/2022
Indoor unit
Fixing plate
(indoor unit)
Corner
Long screw
panel
Dewing
• If any gap has even though tighten long screws sufficient,
readjust the height of indoor unit.
No gap shall exist
• It's able to adjust the indoor unit height by using wrench from the
corner pocket.
Wrench
• Too considerable adjustment of height cause dewing from drain-pan.
• Do not turn the air louver by hand. If moved, the louver mechanism
would be damaged.
Fixing hook
B
Fixing hook
A
Corner without sensor
Projection
Band
Fixing
Fixing hook
hook
A
A
B
A
A
B
A
B