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2-4,
PIPE
FORMING
AND
DRAIN
PIPING
2-4-1.
PIPE
FORMING
«
Place
the
drain
hose
below
the
refrigerant
piping.
*
Make
sure
that
the
drain
hose
is
not
crowded
or
bent.
«
Do
not
pull
the
hose
when
applying
the
tape.
«
When
the
drain
hose
passes
the
room,
be
sure
to
wrap
it
with
insulation
material
(field-
supplied).
Note:
Make
sure
not
to
damage
the
cover
of
refrigerant
pipe
when
attaching
it
back
on with
screws.
Left
or
left-rear
piping
Note:
Be
sure
to
reattach
the
drain
hose
and
the
drain
cap
if
the
piping
is
being
installed
on
left
or
bottom
left
of
unit,
otherwise,
water
could
drip
down
from
the
drain
hose.
1)
Place
the
refrigerant
piping
and
the
drain
hose
together,
then
firmly
apply
felt
tape
(7)
from
the
end.
Felt
tape
(7)
overlap
width
should
be
1/3
the
tape
width.
Use
a
bandage
stopper
at
the
end
of
felt
tape
(7).
2)
Pull
out the
drain
cap
at
the
back
right
of
the
indoor
unit.
(Fig.
1)
*
Hold
the
convex
section
at
the
end and
pull
the
drain
cap.
3)
Pull
out the
drain
hose
at
the
back
left
of
the
indoor
unit.
(Fig.
2)
*
Hold
the
claw
marked
by
the
arrows
and
pull
out the
drain
hose
forward.
4)
Put
the
drain
cap
into
the
section
to
which
the
drain
hose
is
to
be
attached
at
the
rear
of
the
indoor
unit.
(Fig.
3)
*
Insert
a
screwdriver
into
the
hole
on
the
cap
and
insert
the
cap
fully
into
the
drain
pan.
5)
Insert
the
drain
hose
fully
into
the
drain
pan
at
the
back
right
of
the
indoor
unit.
(Fig.
4)
*
Check
if
the
hose
is
hooked
securely
to
the
projection
of
its
inserting
part
at
the
drain
pan.
6)
Insert
the
drain
hose
into
wall
hole
sleeve
(C),
and
attach
the
upper
part
of
indoor
unit
onto
the
installation
plate
(1).
Then,
shift
the
indoor
unit
completely
to
the
left
to
make
placing
the
piping
in
the
back
of
the
unit
easier.
7)
Cut
out
two
pieces
of
cardboard
from
the
shipping
box
(use
any
two
pieces
of
the
four
pieces),
roll
each
piece,
hook
them
onto
the
back
rib,
and
use
them
as
spacer
to
lift
the
indoor
unit.
(Fig.
5)
8)
Connect
the
refrigerant
piping
with
the
extension
pipe
(B).
9)
Attach
the
lower
part
of
the
indoor
unit
into
the
installation
plate
(1).
Rear
or
bottom
piping
1)
Place
the
refrigerant
piping
and
the
drain
hose
together,
then
firmly
apply
piping
tape
(G)
from
the
end.
2)
Insert
the
piping
and
the
drain
hose
into
the
wall
hole
sleeve
(C),
and
attach
the
upper
part
of
the
indoor
unit
on
the
installation
plate
(1).
3)
Check
if
the
indoor
unit
is
attached securely
on
the
installation
plate
(1)
by
moving
the
unit
to
left
and
right.
4)
Attach
the
lower
part
of
the
indoor
unit
into
the
installation
plate
(1).
Right
piping
Note:
Before
performing
the
following,
make
sure
that
wiring
is
completed,
and
the
conduit
cover
is
installed.
(Refer
to
2-3.)
1)
Place
the
refrigerant
piping
and
the
drain
hose
together,
shift
them
to
left
side
of
the
unit,
and
then
firmly
apply
piping
tape
(G)
from
the
end.
2)
Insert
the
piping
and
the
drain
hose
into
the
wall
hole
sleeve
(C),
and
attach
the
upper
part
of
the
indoor
unit
on
the
installation
plate
(1).
3)
Check
if
the
indoor
unit
is
attached securely
on
the
installation
plate
(1)
by
moving
the
unit
to
left
and
right.
4)
Attach
the
lower
part
of
the
indoor
unit
into
the
installation
plate
(1).
2-4-2.
DRAIN
PIPING
Liquid
pipe
_,
Gas
pipe
Indoor/outdoor
unit
=<
connecting
wire
(A)
Felt
tape
(7)
Piping
tape
(G)
|
Cut
offin
case
of
left
piping.
/
“~
Drain
hose
;
Fig.
1
Fig.
2
Drain
hose
Drain
cap
Fig.
3
Fig.
4
Fig.
5
Remove
pane!
for
piping
on
bottom
side
of
unit
Remove
panel
for
piping
on
right
side
of
unit
To
the
left
Z
*
[If
the
extension
drain
hose
has
to
pass
through
a
room,
be
sure
to
wrap
it
with
in-
-
pain
Drain
hose
a
sulation
(field-supplied).
27-9/16
in.
a
nara
vinyl
chioride
pipe
«
The
drain
hose
should
point
downward
for
easy
drain.
(Fig.
1)
Downward
S
(70
cm)
G0
mm)
n
+
If
the
drain
hose
provided
with
the
indoor
unit
is
too
short,
connect
it
with
a
field-
slope
*
Soft
hose
LD.
or
more
supplied
drain
hose
(1).
(Fig.
2)
=
i
|
He.
19/32
in.
L
insert
«
When
connecting
the
drain
hose
to
a
hard
vinyl
chloride
pipe,
be
sure
to
insert
it
=]
| |
@Smm)
Different
=”
securely
securely
into
the
pipe.
(Fig.
3)
@®
diameter
joint
1)
IP
een
Fig.
4
Fig.
2
Fig.
3
|
Do
not
make
drain
piping
as
shown
below.
I
Do
not
raise
ccumulated
At
least
drain
water
“ :
1-31/32
in.
Tip
of
drain
hose
dipped
(50
mm)
Water
leakage
Wa
leakage
in
water
*s
ter
Water
leakage
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