8
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 pipes 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 indoor unit as a
guide.
5) Pull in the inter-unit wire.
6) Connect the inter-unit pipes.
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 inter-unit wire 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 indoor unit fixing screws 3/16 × 1/2 inch (M4 × 12mm).
3-3. Wall embedded piping
•
Insert the drain hose to this depth so it won’t be pulled out of the drain pipe.
• Replacing onto the left side
1) Remove the insulation fixing screws on the right
and remove the drain hose.
2) Remove the drain plug on the left side and
attach it to the right side.
3) Insert the drain hose and tighten with included
insulation fixing screw.
* (Forgetting to tighten this may cause water
leakages.)
How to replace the drain plug and drain hose
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
Insulation
fixing screw
Insulation
fixing screw
Right sideLeft 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 hexagonal wrench 3/16” (4mm).
Drain
hose
Caulk this hole
with putty or
caulking material.
Bind with vinyl
tape.
A
Mounting plate
Wrap insulating tape around the
bent portion of refrigerant pipes.
Overlap at least half the width of
the tape with each turn.
Refrigerant
pipes
Drain hose
Bottom frame
H Indoor unit fixing screw
3/16” × 1/2” (M4 × 12mm)
(2 point)
Mounting
plate
A
Inter-unit wire
Inner wall
Vinyl chloride
drain pipe
(VP-30)
Drain hose1-15/16” (50mm)
or more
Insert the drain
hose to this depth
so it won’t be pulled
out of drain pipe.
Outer wall
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