Installation guide
2-
1.
ATTACHING
THE
INSTALLATION
PLATE
Find
a
stud
in
the
wall
to
attach
installation
plate
(1)
horizontally
on
the
wall
with
screws
(2).
To
prevent
installation
plate
(1)
from
vibrating,
be
sure
to
install
the
attachment
screws
in
the
holes
indicated
in
the illustration.
For
added
support,
additional
screws
may
also
be
installed
in
other
holes.
When
the
indoor
unit
is
to
be
attached
to
a
concrete
wall
using
recessed
bolts,
secure
installation
plate
(1)
using
7/16
in. x
13/16
in
-
7/16
in.
x
Tin.
(147
mm
x
20
mm:
17
mm
x
26
mm)
oval
hole
(17-3/4
in.
[450
mm]
pitch).
If
the
recessed
bolt
is
too
long,
change
it
for
a
shorter
one
(field-supplied).
2-2.
DRILLING
1)
Determine where
the
holes
will
be
located
on
the
wall.
2) Drill
a
@
2-9/16
in.
(65
mm)
hole.
The
outdoor
side
should
be
6/32
to
9/32
in.
(& to
7
mm)
3
lower
than
the
indoor
side.
)
Insert
wall
hole
sleeve
(C).
2-3.
CONNECTING
WIRES
FOR
INDOOR
UNIT
Note:
When
the
indoor
unit
is
powered
from
the
outdoor
unit,
depending
on
local
code,
a
discon-
n
1
2
3
4
ect
switch
needs
to
be
installed
to
a
power
supply
circuit.
)
Remove
the
panel
assembly.
(Refer
to
5-1.)
)
Place
the
upper
part
of
the
indoor
unit
on
the
installation
plate.
)
Remove
corner
box
and
conduit
cover.
)
Attach
conduit
pipe
(for
rear
piping)
/
elbow
joint
(for
right,
left,
or
downward
piping)
to
conduit
cover
with lock
nut.
The
thread
of
the
installed
conduit
pipe
/
elbow
joint
appear-
ing
inside
should
be
less
than
3/8
in.
(10
mm).
(Fig.
1)
Elbow
joint
should
appear
less
than
1-3/16
in.
(30
mm)
outside.
(Fig.
2)
5)
Process
the
end
of
ground
wire
(Fig.
3).
Connect
it
to
the
ground
terminal
of
electrical
6
parts box.
)
Process
the
end
of
indoor/outdoor
unit
connecting
wire
(A)
(Fig.
3).
Attach
it
to
the
terminal
block.
Be
careful
not
to
make
mis-wiring.
Attach
the
wire
to
the
terminal
block
securely
so
that
its
core
cannot
be
seen,
and
no
external
force
affects
the
connecting
section
of
the
terminal
block.
7)
Firmly
tighten
the
terminal
screws.
After
tightening,
verify
that
the
wires
are
tightly
fas-
8
9
R
z
tened.
)
Secure
indoor/outdoor
unit
connecting
wire
(A)
and
the
ground
wire
with
conduit
cover.
Never
fail
to
hook
the
claw
of
the
conduit
cover
to
the
electrical
box.
Attach
the
conduit
cover
securely.
(Fig.
4)
)
According
to
the
piping
direction,
remove
the
shaded
part
of
the
left
side
of
box
(Fig.
5)
or
corner
box
(Fig.6).
Reinstall
corner
box
and
front
panel.
emark:
INDOOR
UNIT
:
A
disconnect
switch
Is
Terminal
block
Grouding
required.
erminal
bIOCK
|”
terminal
Check
the local
code.
oO
Use
a
ring
tongue
termi-
Silsasg
nal
in
order
to
connect
a
b
t
t
Disconnect
ground
wire
to
terminal.
A
ART
switch
208/230
V
AC
1phase,
60
Hz
OUTDOOR
UNIT
Power
supply
208/230
V
AC,
iphase
2wires.
60
Hz
Grouding
terminal**
Ceil
Bind
the
line
to
the
center
hole.
3-5/16
in.
(84
mm)
or
more
VLLLLLSL
SL,
ling
YW
§-5/8
In.
(60
mm)
or
more
2-3/8
in.
(142.5
mm)
or
more
for
left
and
left
back
piping
(using
spacer)
SSI8
in.
(60mm)
orrmore
3-5/16
in.
{84
mm)
or
more
Align
the
plumb
line
with
the
mark
\/.
Attachment
screw
(2)
Insert
the
vu
Plumb
scale.
*
Align
the
scale
with
the
line.
*
Center
of
@
2-9/16
in.
(65
mm)
hole
*
Same
for
left
hole.
©
2-9/16
in.
(65
mm)
Outdoor
side
So,
es
aN
Lock
nut
Conduit
Fixing
7%
ae
cover
screw
g
|
Conduit
pipe
r
go
Elbow
joint
(for
rear
piping)
Connect
wires
to
the
appropriate
terminals
Indoor
terminal
block
(for
right,
left,
or
downward
piping)
For
future
servicing,
leave
some
slack
in
the
connecting
wires.
Conduit
cover
Less
than
3/8
in.
(10mm)
Lock
nut
Conduit
pipe
or
Less
than
1-3/16
in.
(30
mm)
Elbow
joint
(for
right,
left.
or
downward
piping)
elbow
joint
Fig.
1
Fig.
2
19/32
in.
1
in.
—t..
(15mm)
(25
mm)
Lead
a“
wire
Hook
Make
ground
wire
a
little
longer
than
others.
(More
than
1-9/16
in.
[40
mm]})
Fig.
3
Conduit
cover
Fig.
4
Remove
panel
for
piping
on
left
side
of
unit
Remove
panel
for
piping
on
bottom
left
side
of
unit
Fig.
5
ae
{
Remove
panel
for
piping
on
bottom
side
of
unit
Corner
box
Remove
panel
for
piping
on
right
side
of
unit
Fig.
6