Hitachi RAC-25FXA RAC25FXA Manuale Utente
Codici prodotto
RAC25FXA
10-18
Opening on ceiling and suspension bolt
•
Need a connecting work for refrigerant pipe, drain
pipe and F cable in the ceiling after suspending the
pipe and F cable in the ceiling after suspending the
indoor unit. Arrange drain pipe, refrigerant pipe
and F cable in their installation position.
and F cable in their installation position.
•
For finishing of opening on ceiling, arrange with
builder in detail.
builder in detail.
•
If ceiling is already completed, connecting cables
between indoor and outdoor, piping and drain
piping must be done before fitting the indoor unit
between indoor and outdoor, piping and drain
piping must be done before fitting the indoor unit
Preparation for installing the indoor unit
Installation of suspension bolts
•
Be sure to reinforce furring of ceiling (frame: ceiling
joints and supporter) to maintain level of ceiling and
prevent vibration of ceiling plate.
joints and supporter) to maintain level of ceiling and
prevent vibration of ceiling plate.
•
Suspension bolts should be purchased in the field.
•
Refer to the diagrams shown below for length of
suspension bolts.
suspension bolts.
In case of wooden frame
In case of steel frame
Wall Penetration and Installation of Protection Pipe
•
Drill a
ǿ65mm hole on wall watch which is slightly
titled towards the outdoor side. Drill the wall at a
small angle.
small angle.
•
Cut the protection pipe according to the wall
thickness.
thickness.
•
Empty gap in the sleeve of protection pipe should
be completely sealed with putty to avoid dripping of
rain water into the room
be completely sealed with putty to avoid dripping of
rain water into the room
Air inlet
1000mm
or more
1000mm
or more
Air
outlet
Air
outlet
300m
m
o
r
mor
e
Air inlet
Air
outlet
1000mm
or more
1000mm
or more
Air
outlet
2500m
m
o
r less
650 (Panel)
600 (Opening on ceiling
580 (Indoor unit)
400 (Suspension bolt)
64
42
393 (
E
lec
-box
)
61
0 (
S
us
pe
ns
ion b
olt
)
58
0 (
Indoor
u
nit
60
0 (
Ope
ning
on c
eilin
g
650 (
P
an
el
)
A
b
o
ve 300
110
285
32
Panel (optional part RAI-ECPP)
Ceiling
Air inlet
Air outlet
Air outlet
Wide pipe φ12.7
97(Drain)
Drain outlet
Narrow pipe φ6.35
60~90mm square piece of lumber
Suspension
bolt (M10)
Nut
Angle
Angle
Nut
Ceiling
Bend slip-
preventive metal
110
150~160mm
Suspension bolt (M10)
C type
metal
Concrete
Long nut
Suspension
bolt (M10)
Hanger bolt
Angle
Suspension
bolt (M10)
Ceiling
Suspension
bolt (M10)
H-beam
A
bo
ut 7
5
110
Insert 980~1470N
(100~150kgf)
65
42
55
112
62
230(
Dr
ai
n
)
227(
E
lec
-box
)
Reinforcing
bar
A
bo
ut 7
5