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English
Indoor Unit Installation
4.
Laying piping, hoses, and wiring
4-1. Right-side, right-back, or right-bottom
piping
1) Attach the drain hose to the underside of the
refrigerant pipes with adhesive vinyl tape.
2) Wrap the refrigerant pipes and drain hose together
with insulation tape.
3) Pass the drain hose and refrigerant pipes through the
wall hole, then set the indoor unit on the mounting
plate hooks by using the
markings at the top of the
indoor unit as a guide.
4-2. 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) Shape the refrigerant pipe along the pipe path
marking on the mounting plate.
3) 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.
4) Pull in the inter-unit wire.
5) Connect the inter-unit pipes.
6) 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.
7) 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 (M4 × 12L).
4-3. Wall embedded piping
Follow the instructions given under left-side, left-back, or left-
bottom piping.
Insert the drain hose to this depth so it won’t be pulled out of
the drain pipe.
Right-bottom
piping
Right-back piping
Bind coolant pipe and drain hose
together with insulating tape.
Remove pipe port cover
here for right-side piping
Remove pipe port cover
here for right-bottom piping
Mounting plate
A
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 the drain hose.
•
Insert drain hose and tighten insulation fixing screw.
(Forgetting to attach this may cause water leakages.)
* The drain hose is on the back of the unit.
How to set the drain plug.
Front side of unit
Drain hose attachment position
Attachment on the left side
Drain hose
Insulation
fixing screw
Attachment on the right side
(factory default)
Drain hose
Insulation
fixing screw
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 (4mm)
Wrap insulating tape around the bent portion
of refrigerant pipe.
Overlap at least half the width of the tape
with each turn.
Drain hose
Caulk this hole
with putty or
caulking material.
Bind with plastic
tape.
A
Mounting plate
Refrigerant
pipes
Drain hose
Bottom frame
F Indoor unit fixing screw
(M4
×
12L) (2 point)
Mounting
plate
A
Inner wall
Vinyl chloride drain pipe
(VP-30)
Drain hose
50mm
or more
Insert the drain hose to this depth so
it won’t be pulled out of drain pipe.
Outer wall
01_EN_3P266962-2A.fm Page 9 Thursday, October 28, 2010 9:12 AM
