8
4
8
°
R50 (R
2"
)
-
R60
80
38
°
R30 - R40 (R1.5")
80
Refrigerant pipe
Refrigerant pipe
Flare nut
Refrigerant pipe (gas)
OD ø15.88
Flare nut
Refrigerant pipe (liquid)
OD ø9.52
2. In case of connecting drain pipe
D
to drain-joint bush
through drain hose.
• Drain hose
7
which is contained in accessories is flexible,
so use it when drain pipe
D
should be alternated direction.
• Be sure to wind pipe cover which is provided in accesso-
ries around drain hose with vinyl tape.
• Cut VP-20 in dimension as shown at the right, and connect
drain-joint bush with drain hose with adhesive.
a
Drain-joint bush
b
Tape
c
Adhesive
7
Drain hose
8
Drain pipe cover
D
Drain pipe (VP-20)
G
Drain-joint pipe (VP-20)
3.
• Be sure that drain pipe
D
tilts downward (1/100 or more)
on outdoor side (drain side), and no traps or heaving exist.
• When the drain pipe
D
is relatively long, provide support
metal fixtures midway to eliminate waving.
• Odor trap at the end of drain pipe
D
is not required.
a
Insulation
b
Supporting metal fixture
c
Downward inclination of 1/100 or more
d
Air bleeder
e
Do not raise
f
Odor trap
g
The end of drain hose is immersed in water
h
Gap from the ground level is 50 mm or less
i
Sewage ditch
b
c
a
0,75 m - 1,5 m
i
g
h
f
e
d
• Be sure to connect drain pipe
D
to drain-joint bush se-
curely as shown in the right.
• Be sure to pass drain pipe
D
with drain pipe cover through
knockout hole on bottom surface so as to keep an inclina-
tion.
a
Drain-joint bush
b
Knockout
c
PVC adhesive tape
d
Adhesive
8
Drain pipe cover
D
Drain pipe (VP-20)
c
8
D
b
a
d
8
7
a
G
50 mm
8
a
G
b
7
D
c
c
4-7
DRAIN PIPE CONNECTION
• Use hard PVC (ø26 mm O.D.) for drain pipe
D
.
• Use drain pipe cover
8
which is provided in accessories, wind it around drain pipe
D
in the indoor unit side.
• Use vinyl chloride adhesive for joints prevent leakage.
• When the drain pipe
D
has to go through an indoor space, be sure to cover the drain pipe
D
with insulation
readily available in the market.
• For drain pipe connection, use care so as no extra force applies to unit side piping.
1. In case of connecting drain pipe
D
to drain-joint bush directly.
b
a
30
2. In case that pipes jut out from bottom surface of the indoor unit. (Fig. 2)
Process figure
(Fig. 2)
