EN
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.)
1. Die-cutting front panel slit
Cut out the slit on the leftward 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 cap
Clip the drain cap by needle-nose pliers and pull out.
How to install the drain hose
Firmly insert drain hose connecting part until hitting on a heat
insulator.
How to fix the drain cap
1) Insert hexagon wrench (4 mm) in a center head.
2) Firmly insert the drain cap.
CAUTION
Firmly insert the drain hose and drain cap; otherwise, water may
leak.
Do not apply lubricating oil
(refrigerant machine oil) when
inserting the drain cap. Application
causes deterioration and drain
leakage of the plug.
Insert a hexagon
wrench (4 mm).
No gap
In case of bottom right or bottom left piping
•
After scribing slits of the
front panel with a knife or
a making-off pin, cut them
with a pair of nippers or
an equivalent tool.
Slit
In case of right or left piping
•
After scribing slits of the
front panel with a knife or
a making-off pin, cut them
with a pair of nippers or
an equivalent tool.
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 (figure)
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.
•
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.
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.
4 mm
Rear right
Rear left
Die-cutting
front panel slit
Changing
dr
ain hose
Piping prepar
ation
Bottom left
Left
Bottom right
Right
Heat insulator
Drain hose
Auxiliary pipes
Indoor unit
Connecting cable
Installation plate
5
80
270 mm
170 mm
43 mm
(To the forefront of flare)
Liquid side
Outward form of indoor unit
R 30 mm (Use polisin (polyethylene)
core or the like for bending pipe.)
Use the handle of screwdriver, etc.
Gas side
Summary of Contents for 38VYX025
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