Installation Instructions

7 English
Indoor Unit Installation
3-2. Left-side, left-back, or left-bottom piping.
1) Attach the drain hose to the underside of the refrigerant pipes
with adhesive vinyl tape.
2) Be sure to connect the drain hose to the drain port in place of
a drain plug.
3) Shape the refrigerant pipe along the pipe
path marking on the mounting plate.
4) Pass drain hose and refrigerant pipes
through the wall hole, then set the indoor
unit on mounting plate hooks, using the
markings at the top of the indoor unit as
a guide.
5) Pull in the interconnecting wires.
6) Connect the inter-unit piping.
7) Wrap the refrigerant pipes and drain hose together with insulation tape as
right figure, in case of setting the drain hose through the back of the indoor
unit.
8) While exercising care so that the interconnecting wires do not catch indoor
unit, press the bottom edge of indoor unit with both hands until it is firmly
caught by the mounting plate hooks. Secure indoor unit to the mounting
plate with screws (M4 × 12L).
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.
How to replace the drain plug and drain hose.
• Replacing onto the left side
1) Remove the insulation fixing screws on the
right to remove the drain hose.
2) Reattach the insulation fixing screw on the
right as it was.
* (Forgetting to attach this may cause water
leakages.)
3) Remove the drain plug on the left side and
attach it to the right side.
4) Insert the drain hose and tighten with
included indoor unit fixing screw.
Left-side, left-back, or left-bottom piping
Drain hose attachment position
* The drain hose is on the back of the unit.
Front side of unit
Attachment on the right side (factory default) Attachment on the left side
Drain hose Drain hose
Indoor unit
fixing screw
Insulation
fixing screw
Left side Right side
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
How to set drain plug.
No gap.
Do not apply lubricating
oil (refrigeration oil)
when inserting.
Application of causes
deterioration and drain
leakage of the plug.
Insert a hexagon wrench (4mm).
Drain
hose
Caulk this hole
with putty or
caulking material.
Bind with vinyl
tape.
Mounting plate
Wrap insulating tape around the
bent portion of refrigerant pipe.
Overlap at least half the width of
the tape with each turn.
Refrigerant
pipes
Drain hose
Bottom frame
M4 × 12L (2 point)
Mounting
plate
Inter-unit wiring
Inner wall
Vinyl chloride
drain pipe
(VP-30)
Drain hose50mm
or more
Insert drain hose
to this depth so
it won’t be pulled
out of drain pipe.
Outer wall