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English■
6
3-2. Left-side, left-back, or left-bottom piping
1) Switch around the drain plug and drain hose.
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 mounting
plate hooks, using the markings at the top of the indoor
unit as a guide.
5) Open the front panel, then open the service lid. (Refer to
“Service lid” on page 4.)
6) Pass the inter-unit wire from the outdoor unit through the
feed-through wall hole and then through the back of the
indoor unit. Pull them through the front side. Bend the ends
of tie wires upward for easier work in advance.
(If the inter-unit 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 figure.
9) Press the bottom frame of the indoor unit with both hands until it is
firmly caught by the mounting plate hooks. Make sure that the
wires do not catch on the edge of the indoor unit.
3-3. Wall embedded piping
Follow the instructions given under
1) Insert the drain hose to this depth so it won’t be pulled
out of the drain pipe.
4. Wiring
Refer to the installation manual for the outdoor unit also.
WARNING
• Do not use tapped wires, extension cords, or starburst connections, as they may cause overheating, electric shock, or fire.
• Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the
terminal block.) Doing so may cause electric shock or fire.
• Do not connect the power wire to the indoor unit. Doing so may cause electric shock or fire.
3) Switch around the drain hose and drain plug.1) Remove the fixing screw and
pull out the drain hose.
How to switch around the drain plug and drain hose
Push the drain plug all the
way in using a hexagonal
wrench (3/16 inch (4mm)).
Hexagonal wrench
(3/16 inch (4mm))
Drain plug
No gap
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.
Drain hose
Remove fixing
screw.
1
Pull out
drain hose.
2
Insert drain hose securely
and fix in place with fixing
screw.
Drain hose
Fixing screw
Insert a hexagonal
wrench (3/16 inch (4mm)).
2) Pull out
drain plug.
Remove pipe port cover here for
left-bottom piping.
Remove pipe port
cover here for
left-side piping.
Left-bottom piping
Left-side piping
Left-back piping
A
Wrap insulation tape
around the bent portion
of refrigerant pipe.
Overlap at least half the
width of the insulation
tape with each turn.
A Mounting
plate
Bind with
adhesive
vinyl tape.
Caulk this hole
with putty or
caulking material.
Drain
hose
A
Refrigerant
pipes
Drain hose
Bottom frame
Mounting
plate
A
Secure the indoor unit to the mounting plate with the
indoor unit fixing screws M4 × 1/2” (M4 × 12mm)(3 point).
A
H
A
Inner wall
Vinyl chloride
drain pipe (VP-30)
Drain hose
φ1-3/16” (30mm) or more
1-15/16”
(50mm)
or more
Insert the drain
hose to this depth
so it won’t be pulled
out of the drain pipe.
Outer wall
Left-side, left-back, or left-bottom piping .
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