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3. Insert the connecting cable into the indoor unit.
• Don't connect the cable to the indoor unit.
• Make a small loop with the cable for easy connec-
tion later.
4. Tape the drain hose and the connecting cable.
• Connecting cable
5. Indoor unit installation
• Hang the indoor unit from the hooks at the top of
the installation plate.
• Insert the spacer etc. between the indoor unit and
the installation plate and separate the bottom of
the indoor unit from the wall.
Indoor unit
Installation plate
8cm
6. Connecting the pipings to the indoor unit and
the drain hose to drain pipe.
• Align the center of the pipes and sufficiently tight-
en the flare nut by hand.
Indoor unit tubing
• Tighten the flare nut with a wrench.
Wrench
Indoor unit tubing
Spacer
Flare nut
Pipes
Open-end wrench (fixed)
Flare nut
Connection pipe
Outside diameter
mm
Ø6.35
Ø9.52
Ø12.7
Ø15.88
Ø19.05
• When extending the drain hose at the indoor unit,
install the drain pipe.
Drain hose
Adhesive
7. Wrap the insulation material around the con-
necting portion.
• Overlap the connection pipe heat insulation and
the indoor unit pipe heat insulation material. Bind
them together with vinyl tape so that there is no
gap.
Plastic bands Insulation material
• Wrap the area which accommodates the rear pip-
ing housing section with vinyl tape.
Connection
pipe
Vinyl tape
(wide)
Connecting cable
Installation
Torque
kg . m
inch
1/4
1.8
3.8
4.2
1/2
5.5
5/8
6.6
3/4
6.6
Indoor unit drain hose
Vinyl tape
(narrow)
Indoor
unit piping
Wrap with vinyl tape
Pipe
Vinyl tape(narrow)
Service Manual 19
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