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Indoor Unit Installation
3-2� Left-side, left-back, or left-bottom piping
1) Switch around the drain plug and drain hose.
How to switch around the drain plug and drain hose
1) Remove the fixing screw and
pull out the drain hose.
1 Remove fixing
2) Attach the drain hose to the underside of the refrigerant
pipes with adhesive vinyl tape.
3) Shape the refrigerant pipes along
the pipe path marking on the
mounting plate.
4) Pass the drain hose and
refrigerant pipes through the wall
hole, then position the indoor unit
on the
A
using the
of the indoor unit as a guide.
5) Open the front panel (Refer to "Installation Tips"on page 10),
then open the service lid (Refer to "Indoor Unit Installation
Diagram"on page 4).
6) Pass the inter-unit wire from the outdoor unit through the feed-
through wall hole and pass to the front of indoor unit from the
back. Then pull them at front side. Bend the ends of cable tie
wires upward for easier work in advance. (If the interunit wire
ends are to be stripped first, bundle wire ends with adhesive
tape.)
7) Connect the refrigerant pipes.
8) In case of pulling the drain hose through the back of the indoor
unit, wrap the refrigerant pipes and drain hose together with
insulation tape as shown in the right figure.
9) Press the bottom frame of the indoor unit with both hands until
it is firmly caught by the
that the wires do not catch on the edge of the indoor unit.
3-3� Wall embedded piping
Follow the instructions given under left-side, left-back, or
left-bottom piping.
1) Insert the drain hose to a depth of 1-15/16 inches
(50mm) or more so it will not be pulled out of the drain
pipe.
7
3) Switch around the drain hose and drain plug.
Drain plug
screw.
Drain hose
2
Pull out
drain hose.
Insert a hexagonal
2) Pull out
wrench (3/16 inch (4mm)).
drain plug.
A
mounting plate hooks,
markings at the top
mounting plate hooks. Make sure
A
Push the drain plug all the
way in using a hexagonal
wrench (3/16 inch (4mm)).
Hexagonal wrench
(3/16 inch (4mm))
Do not apply lubricating oil
(refrigerant oil) to the drain
plug when inserting it.
The application of lubrication
oil to the drain plug will
deteriorate the plug to cause
drain leakage from the plug.
Remove pipe port cover here for
left-bottom piping.
A
Mounting plate
Drain
hose
Caulk this
Bind with adhesive vinyl tape.
hole with
If any gap is left or if the
putty or
refrigerant pipe is bound too
caulking
tightly, condensation and
material.
dripping may result.
Drain hose
(Be sure the drain
hose is lower)
J
Bottom frame
Wrap with vinyl tape so that no gap is left and the slit in the
thermal insulation pipe is facing upward.
Thermal insulation pipe
Insert the drain hose
to this depth so it will
not be pulled out of
the drain pipe.
Insert drain hose securely
and fix in place with fixing
screw.
Fixing screw
Drain hose
Remove pipe port
cover here for
left-side piping.
Left-bottom piping
Wrap
J
insulation tape from the right end
all the way to the left end of the pipe that
passes through the back of the indoor unit.
Overlap at least half the width of the tape
with each turn.
Hang indoor unit on the hooks of
mounting plate.
Wire guide
Insulation tape
J
Mounting
A
plate
Refrigerant pipes
Secure the indoor unit to the
mounting plate with the
indoor unit fixing screws
H
M4 × 1/2" (M4 × 12mm)(2 points).
Slit
Slit
Inner wall
1-15/16"
Drain hose
(50mm)
or more
Vinyl chloride
drain pipe
Outer wall
(VP-30)
Left-side piping
Left-back piping
A
Mounting plate
Mounting
A
plate
Inter-unit
wire
A
Vinyl tape
■
English
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