Multi Variable Air Conditioners Cassette Type Indoor Unit
8
4 Installation Instructions
4.1 Indoor unit installation
4.1.1 Ceiling opening Dimension and suspension bolt position.
A
(d
ec
or
at
io
n
pa
ne
l)
B
(c
eilin
g
op
en
in
g)
C
(in
do
or
u
nit
)
E
(s
us
pe
ns
io
n
bo
lt
pitc
h)
A(decoration panel)
B(ceiling opening)
C(indoor unit)
D(suspension bolt pitch)
Fig 4.1.1
unit:mm
Model
A
B
C
D
E
28~140
950
890
840
680
780
160
1040
975
910
787
840
4.1.2 Suspend the indoor unit
(1) Drill bolt holes and install bolts
1) Stick the reference cardboard on the installation position; drill 4 holes according to the hole
site on the cardboard as shown in fig 4.1.2; diameter of drilling hole is according to the
diameter of expansion bolt and the depth is 60-70mm, as shown in fig 4.1.3.
Paper pattern
Hole diameter
Drill hole according
to the hole site
60
～
70mm
Fig 4.1.2 Fig 4.1.3
2) Insert the M10 expansion bolt into the hole and then knock the nail into the bolt, as shown in
fig 4.1.4.
Notes:
The length of bolt depends on the installation height of the unit, bolts are field supplied.
