Installation guide
3.
OUTDOOR
UNIT
INSTALLATION
3-1.
CONNECTING
WIRES
FOR
OUTDOOR
UNIT
1)
Remove
the
service
panel.
2)
Remove
the
conduit
cover.
3)
then
secure
it
against
unit
with
screws.
4)
Loosen
terminal
screw,
and
connect
indoor/outdoor
unit
connecting
wire
(A)
from
the
indoor
1in.
unit
correctly
on
the
terminal
block.
Be
careful
not
to
make
mis-wiring.
Fix
the
wire
to
the
ter-
minal block
securely
so
that
no
part
of
its
core
is
appeared,
and
no
external
force
is
conveyed
to
the
connecting
section
of
the
terminal
block.
5)
Firmly
tighten
the
terminal
screws
to
prevent
them
from
loosening.
After
tightening,
pull
the
wires
lightly
to
confirm
that
they
do
not
move.
6)
Connect
power
supply
cord
(K).
7)
Connect
ground
wires
of
indoor/outdoor
unit
connecting
wire
(A)
and
power
supply
cord
(K)
to
the
TB
support.
8)
Install
the
conduit
cover.
9)
Install
the
service
panel
securely.
Fix
the
conduit
connector
to
conduit
plate
(A
models)/conduit
cover
(B
models)
with lock
nut
etka
ay
PA
T
19/32
in.
(15
mm)
(25
mm)
Power
supply
cord
(K)
et
et
eA
a
MUZ-A09/12/15/17NA
Lead
wire
Power
supply
cord
(K)
A
Lelleb
desta
scala
ee
eA
MUZ-A09/12/15/17NA
Grounding
terminal
Conduit
plate
Connector
*
Make
earth
wire
a
little
longer
than
others.
(More
than
1-12/32
in.
35
mm)
*
For
future
servicing,
give
extra
length
to
the
connecting
wires.
Terminal
block
_--
Indoor/outdeor
unit
connecting
wire
(A)
Power
supply
cord
(K)
Po
Conduit
cover
MU-A12WA
Lock
nut
—
get
rounding
terminal
Conduit
cover
*
Make
earth
wire
a
little
longer
than
others.
(More
than
1-12/32
in.
35
mm)
*
For
future
servicing,
give
extra
length
to
the
connecting
wires.
Terminal
block
—
Power
supply
cord
(K)
Indoor/outdoor
unit
connecting
wire
(A)
3-2.
FLARING
WORK
1)
Cut
the
copper
pipe
correctly
with
pipe
cutter.
(Fig.
1,
2)
2)
Completely
remove
all
burrs
from
the
cut
cross
section
of
pipe.
(Fig.
3)
*
Put
the
end
of
the
copper
pipe
to
downward
direction
as
you
remove
burrs
in
order
to
avoid
to
let
burrs
drop
in
the
piping.
3)
Remove
flare
nuts
attached
to
indoor
and
outdoor
units,
then
put
them
on
pipe
having
com-
pleted
burr
removal.
(Not
possible
to
put
them
on after
flaring
work.)
4)
Flaring
work
(Fig.
4,
5).
Firmly
hold
copper
pipe
in
the
dimension
shown
in
the
table.
Select
A
mm
from
the
table
according
to
the
tool
you
use.
5)
Check
*
Compare
the
flared
work
with
Fig.
6.
*
If
flare
is
noted
to
be
defective,
cut
off
the
flared
section
and
do
flaring
work
again.
Ainch
(mm)
Tightening
torque
Pipe
diameter
Nut
:
Pp
h
inch
Clutch Clutch
Wing
nut
ftelb
inch
(mm) (mm)
type
tool
type
tool
type
tool
Nem
(kgfecm)
forR410A
|
for
R22
for
R22
g
14
10
to
13
0.06 t
@
1/4
(6.35)
(17)
oes
13.7
to
17.7
(140
to
180)
0
3/8
(9.52)
|
38
0,04
to
ere
34,3
0.41.2
|
221030
(22)
|
pto002
|
0.06
6)
310%"-2
|
(360
to
420)
2
|
(t005)
|
(1.0
to
36
to
42
@
1/2
(12.7)
(26)
1.5)
oye
49.0
to
56.4
(500
to
575)
5/8
(2.0
to
54
to
58
@
5/8
(15.88)
(29)
2.5)
73.5
to
78.4 (750
to
800)
Good
No
good
90?
~——w—_—
(Ne
Copper
|
, 4
ty
€
5
:
pe
Tilted
Uneven
Burred
Fig.
4
Fig.
2
Burr
_
Copper
pipe
x
.-
Spare
reamer
3
»
“+
Pipe
cutter
»
4
Fig.
3
Fiaring
tool
“SG
Ee
He
\
“Ss
’
of
---
Copper
pipe
Clutch
type
=
Wing
nut
type
Fig.
4
Flare
nut
Fig.
5
Inside
is
shin-
Smooth
all
ing
without
any
around
scratches.
a >
Even
length
Le
all
around
j
Fig.
6