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– 53 –
4 mm
No gap
Insert a hexagon
wrench (Ø4mm)
Do not apply lubricating oil
(refrigerant machine oil)
when inserting the drain cap.
If applied, deterioration and
drain leakage of the drain
plug may occur.
How to attach the drain cap
1. Insert hexagonal wrench (4 mm).
Fig. 10-3-13
2. Firmly insert drain cap.
Fig. 10-3-14
How to attach the drain hose
Always use the original screw that secured the
drain hose to the unit. If using a different screw
may cause water to leak.
Insert the drain hose firmly until the connector
contacts with the insulation, then secure it in place
using the original screw.
CAUTION
Securely insert the drain hose and drain cap;
otherwise, water may leak.
In case of right or left piping
• After making slits on the front panel with a knife or
similar tool, cut them out with a pair of nippers or
an equivalent tool.
Fig. 10-3-15
Fig. 10-3-16
Left-hand connection with piping
Bend the connecting pipes so that they are posi-
tioned within 43 mm above the wall surface.
If the connecting pipes are positioned more than
43 mm above the wall surface, the indoor unit may
be unstable.
When bending the connecting pipe, make sure to
use a spring bender to avoid crushing the pipe.
Refer to the table below for the bending
radius of each connection pipe.
Fig. 10-3-17
NOTE :
If the pipe is incorrectly bent, the indoor unit may be
unstable on the wall.
After passing the connecting pipe through the pipe
hole, connect the connecting pipe to the auxiliary
pipes and wrap the facing tape around them.
In case of bottom right or bottom left piping
• After making slits on the front panel with a knife or
similar tool, cut them out with a pair of nippers or
an equivalent tool.
To connect the pipe after installation of the
unit (figure)
Outer diameter
6.35 mm
9.52 mm
12.7 mm
Bending radius
30 mm
40 mm
50 mm
Slit
Slit
43 mm
Use a screwdriver handle, etc.
(To the front flare)
Outward form of indoor unit
Gas side
220 mm
170 mm
R30 or less (Ø6.35), R40 or less (Ø9. 52), R50 or less (Ø12. 7)
Use polishing (polyethylene core or the like for bending pipe).
Liquid side