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Piping and Drain Hose Installation
Piping and drain hose forming
* Since dewing results in a machine trouble, make sure to insulate both
connecting pipes. (Use polyethylene foam as insulating material.)
Rear right
Rear left
Bottom left
Left
Bottom right
Right
1. Die-cutting front panel slit
Cut out the slit on the left or right side of the front panel for the left or right
connection and the slit on the bottom left or right side of the front panel
for the bottom left or right connection with a pair of nippers.
2. Changing drain hose
For leftward connection, bottom-leftward connection and rear-leftward
connection's piping, it is necessary to change the drain hose and drain
cap.
How to remove the drain hose
• The drain hose can be removed by removing the
screw securing the drain hose and then pulling out
the drain hose.
• When removing the drain hose, be careful of any
sharp edges of steel plate. The edges can injuries.
• To install the drain hose, insert the drain hose
fi rmly until the connection part contacts with heat
insulator, and then secure it with original screw.
How to remove the drain cap
Clip the drain cap by needle-nose
pliers and pull out.
How to fi x the drain cap
1) Insert hexagon wrench (4 mm)
in a center head.
2) Firmly insert the drain cap.
Do not apply lubricating oil
(refrigerant machine oil)
when inserting the drain
cap. Application causes
deterioration and drain
leakage of the plug.
CAUTION
Firmly insert the drain hose and drain cap; otherwise, water may leak.
In case of right or left piping
• After scribing slits inside of the front
panel with a knife or a making-off
pin, cut them with a pair of nippers
or an equivalent tool.
In case of bottom right or bottom left piping
• After scribing slits inside of the front
panel with a knife or a making-off pin,
cut them with a pair of nippers or an
equivalent tool.
Drain hose
Insert a hexagon wrench
No gap
(4 mm).
Slit
Slit
Left-hand connection with piping
• Bend the connecting pipe so that it is laid within 43 mm above the wall
surface. If the connecting pipe is laid exceeding 43 mm above the wall
surface, the indoor unit may unstably be set on the wall.
When bending the connecting pipe, make sure to use a spring bender so
as not to crush the pipe.
Bend the connecting pipe within a radius of 30 mm.
To connect the pipe after installation of the unit (fi gure)
520 mm
420 mm
R 30 mm (Use polisin (polyethylene)
core or the like for bending pipe.)
NOTE
If the pipe is bent incorrectly, the indoor unit may unstably be set on the wall.
After passing the connecting pipe through the pipe hole, connect the
connecting pipes to the auxiliary pipes and wrap the facing tape around
them.
CAUTION
• Bind the auxiliary pipes (two) and connecting cable with facing tape
tightly. In case of leftward piping and rear-leftward piping, bind the
auxiliary pipes (two) only with facing tape.
Auxiliary pipes
Installation plate
• Carefully arrange pipes so that any pipe does not stick out of the rear
plate of the indoor unit.
• Carefully connect the auxiliary pipes and connecting pipes to one
another and cut off the insulating tape wound on the connecting pipe
to avoid double-taping at the joint; moreover, seal the joint with the
vinyl tape, etc.
• Since dewing results in a machine trouble, make sure to insulate both
connecting pipes. (Use polyethylene foam as insulating material.)
• When bending a pipe, carefully do it, not to crush it.
Indoor Unit Fixing
1. Pass the pipe through the hole in the wall and hook the indoor unit on the
installation plate at the upper hook.
2. Swing the indoor unit to right and left to confi rm that it is fi rmly hooked up
on the installation plate.
3. While pressing the indoor unit onto the wall, hook it at the lower part on the
installation plate. Pull the indoor unit toward you to confi rm that it is fi rmly
hooked up on the installation plate.
Hook here.
1
1
2
Hook
• For detaching the indoor unit
from the installation plate,
pull the indoor unit toward
you while pushing its bottom
up at the specifi ed parts.
Information
The lower part of indoor unit may fl oat,
due to the condition of piping and you
cannot fi x it to the installation plate.
In that case, use the 9 screws provided
to fi x the unit and the installation plate.
4
(To the forefront of fl are)
Gas side
Liquid side
Outward form of indoor unit
Use the handle of screwdriver, etc.
Indoor unit
Connecting cable
Installation plate
(unhook)
Push
9
Screw
Press
Push
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