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FTX-N/U, FVXS-N, FDMQ-R Series
01_EN_3P572321-1A.fm Page 6 Thursday, August 8, 2019 10:47 AM
3-2. Left-side, left-back, or left-bottom piping
How to switch around the drain plug and drain hose
1) Remove the fixing screw and
pull out the drain hose.
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
4) Pass the drain hose and refrigerant pipes through the
wall hole, then position the indoor unit on the
plate hooks, using the
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
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 50mm or more so it
will not 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 fixing
Drain plug
screw.
Drain hose
2
Pull out
drain hose.
Insert a hexagonal
2) Pull out
wrench (3/16 inch (4mm)).
drain plug.
mounting plate.
A
markings at the top of the indoor
mounting plate hooks. Make sure that the
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.
mounting
A
Drain
hose
Caulk this hole
with putty or
Bind with
caulking material.
adhesive
vinyl tape.
Drain hose
Bottom frame
Secure the indoor unit to the
indoor unit fixing screws M4 × 1/2" (M4 × 12mm)(2 points).
H
Insert the drain hose
to this depth so it will
not be pulled out of
1-15/16"
the drain pipe.
(50mm)
or more
Outer wall
φ1-3/16" (30mm) or more
88
EDUS091558E
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-side piping
Left-back piping
Left-bottom piping
A Mounting
plate
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
Refrigerant
pipes
mounting plate with the
A
Inner wall
Drain hose
Vinyl chloride
drain pipe (VP-30)
6
3P572321-1A

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