Tip of drain hose
dipped in water
Water
leakage
Ditch
Less than
50mm gap
Checking the drainage
Do not make drain piping.
Form the piping
Do not raise
Water
leakage
Accumulated
drain water
Air
Waving
Water
leakage
T aping
Drain
hose
Pipings
Connecting
cable
A
Form the piping by
wrapping the
connecting portion of the indoor unit with
insulation material and secur
e it with t
wo
kinds of vin
yl tapes.
If you
want to
connect an
additional drain
hose, the
end of
the drain
outlet should
be
routed above
the ground.
Secure the
drain
hose appropriately
.
B
In cases wher
e the outdoor unit is
installed below the indoor unit perform
the following.
Ta
pe
th
e p
ip
in
g,
dra
in
ho
se
an
d
co
nn
ec
tin
g c
ab
le
fro
m d
ow
n to
up
.
Se
cu
re
th
e ta
pp
ed
pip
in
g a
lo
ng
th
e e
xte
rio
r
wa
ll
us
in
g s
ad
dle
or
eq
uiv
ale
nt.
C
In cases wher
e the Outdoor unit is
installed above the Indoor unit perf
orm
the following.
Ta
pe
th
e p
ip
in
g,
an
d c
on
ne
cti
ng
ca
ble
fro
m
do
wn
to
up
.
Se
cu
re
th
e ta
pe
d p
ip
in
g a
lo
ng
th
e e
xte
rio
r
wa
ll.
Fo
rm
a tr
ap
to
pre
ve
nt
wa
te
r e
nte
rin
g
th
e ro
om
.
Fix the
piping onto
the wall
by saddle
or
equivalent.
Seal small
openings
around pipings
with a
gum type
sealant.
Trap
is required
to prevent
water
from entering
into electrical
parts.
Seal a
small opening
around the
pipings
with gum
type sealant.
Trap
Trap
Downward slope
A
T o r
emove the
front panel
from the indoor
unit cabinet.
Set the
air direction
of louvers
up-and-down to
the position(horizontally)
by hand.
Remove the
securing screws
that retain
the
front panel.
Pull the
lower left
and right
sides of
the grille
toward you
and lift
it of
f.
(1TR, 1.5TR,
2TR)
B
T o check the dr
ainage.
Pour a glass of water on the evaporator.
Ensure the water flows through the drain
hose of the indoor unit without any leakage
and goes out the drain exit.
C
Drain piping
The drain
hose should
point downward
for
easy drain flow.
Screw
Pull the right and
the left side.
CHECKING
THE DRAINAGE
AND FORMING
THE PIPING
INSTALL
ATION
17
