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CAUTION
• If you need a pipe longer than specified in piping
codes and standards, you must add refrigerant to the
pipe. Otherwise, the indoor unit may freeze.
• While removing burrs, put the pipe face down to make
sure that the burrs do not get in to the pipe.
Liquid service port
<High pressure>
Correct
Inclined
Cracked
<Flare nut>
NOTE
• Excessive torque may cause gas leakage. When
extending the pipe with welding or brazing, ensure
that nitrogen is used during the welding or brazing
process. The joint must be accessible and serviceable.
CAUTION
• Tighten the flare nut at the specified torque. If the flare
nut is over-tightened, it may break to cause leakage of
refrigerant gas.
Gas service port
<Low pressure>
Uneven
Damaged
thickness
surface
Step 2.10 Fixing the installation plate
You can install the indoor unit on a wall, window frame, or
gypsum board.
WARNING
• Make sure that the wall, window frame, or gypsum
board can withstand the weight of the indoor unit. If
you install the indoor unit in a place where it is not
strong enough to withstand the unit's weight, the unit
could fall and cause injury.
When fixing the indoor unit on a wall
Fix the installation plate to the wall giving attention to the
weight of the indoor unit.
Plastic anchor
Model
09/12
Wall
20 mm
B
Model
18/24
NOTE
• If you mount the plate to a concrete wall using plastic
anchors, make sure that gaps between the wall and the
plate, created by projected anchor, is less than 20 mm.
When fixing the indoor unit on a window frame
1. Determine the positions of the wooden uprights
to be attached to the window frame.
2. Attach the wooden uprights to the window frame
giving attention to the weight of the indoor unit.
(Unit : mm)
A
B
C
D
36
120
81
36
Pipe bundle hole: Ø 65 mm
C
(Unit : mm)
A
B
C
D
33
110 110
33
Pipe bundle hole: Ø 65 mm
English
43
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