1.2
1)
Preparations
B
efore
I
nstallation
Relation
of
ceiling
opening
to
unit
and
suspension
bolt
position.
4
5
U!S
'SZ/L寸9
LIWWOLS
u19
·ozt£ZS
�INIM
1-2-3
545/21.Sin
570/22.4in
647/25.Sin
2)
Make
the
ceiling
opening
needed
for
installation
where
applicable. (For
existing
ceilings.)
-
Create
the
ceiling
opening
required
for
installation. From
the
side
of
the
opening
to
the
casing
outlet,
implement
the
refrigerant
and
drain
piping
and
wiring
for
remote
controller
(unnecessary
for
wireless
type).
Refer
to
each
piping
or
wiring
section.
-
After
making
an
opening
in
the
ce由ng,
it
may
be
necessary
to
reinforce
ceiling
beams
to
keep
the
ceiling
level,
and
to
prevent
it
from
vibrating.
Consult
the
builder
for
details.
3)
Install
the
installation
hooks.
(Use
either a MS
or
M10
size
bolt.)
Use
expansible
hooks,
sunken
anchors,
or
other
field
supplied
parts
to
reinforce
the
ce仆ing
in
order
to
bear
the
weight
of
the
unit.
Adjust
clearance
from
the
ceiling
before
proceeding
further.
Installation
example:
see
figure
below.
3
I
:\
\\\
\
\
\;
4
1234567
8
Unit:mm
Installation
Hook
P
itch
dimensions
Indoor
U
nit
dimensions
D
ecoration
P
anel
dimensions
Refrigerant
P
iping
Installation
Hook
(X4)
Ceiling
opening
dimensions
Hanger
B
racket
False
Ceiling
1234
Ceiling
slab
Expansible
hook
(optional)
Installation
hook
(optional)
False
ceiling
NOTE
．
For
other
non-
standard
installation
s
,
contact
your
dealer
for
details.
．
Adjust
positions
to
ensure
the
gaps
between
the
Indoor
unit
and
the
four
sides
of
false
ceiling
are
even.
The
indoor
unit's
lower
part
should
sink
into
the
false
ceiling
for
24mm
I 0.9in.
乙
VII/
12
Indoor
U
nit
False
Ceiling
NOTE:
Installation
is
possible
with
a
ceiling
dimension
of
600
mm
/
23.6in (marked
with *).
However, to
achieve
a
ceiling-panel
overlapping
dimension
of
15
mm/
0.6in,
the
spacing
between
the
ceiling
and
the
unit
should
be
20
mm
I 0.8in
or
less. If
the
spacing
between ceiling
and
the
unit
is
ove
「
20
mm
I
0.8in,
attach
sealing
mate
「
ial
in
the
part or
recover
the
ceiling.
5
