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9 ŶEnglish
Indoor Unit Installation
r Tighten the
B
clamp metal as indicated in the
illustration.
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drain
J
sealing pad (large) supplied with the unit
over the uncovered part of the drain socket (= between
drain hose and unit body).
r Wrap the supplied large sealing pad over the
B
clamp
metal and
A
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clamps.
r Insulate the complete drain piping inside the building
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Clamp metalB
Clamp metalB
Sealing pad
(large)
J
Sealing pad (large)J
Drain socket
Drain socket
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Drain hoseA
Drain hoseA
View A
A
Precautions for drain raising piping
r Install the drain raising pipes at a height of less than H2.
r Install the drain raising pipes at a right angle to the indoor unit and no more than 11-3/4 inch (300mm) from the unit.
Adjustable
Ceiling slab
Ű11-3/4
(300)
40-60
(1000-1500)
unit: inch (mm)
Hanger bracket
33-7/16
(850)
H2H1
Level or tilted
slightly up
To prevent air bubbles in the drain hose, keep
it level or slightly tilted up. Any bubbles in the
hose might cause the unit to make noise due
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Clamp metalB
Drain hoseA
Drain hoseA
Drain raising pipe
Raising section
Decoration panel H1 H2
Type A 8-1/16 (205) Ű25-3/8 (645)
Type B 8-11/16 (220) Ű24-13/16 (630)
r To ensure no excessive pressure is applied to the included
A
drain hose, do not bend or twist the hose when
installing as it could cause leakage.
r If converging multiple drain pipes, install according to the procedure shown below.
Central drain pipe
0–25-3/8 inch
(0-645mm)
The drain pipe should have a downward
slope of at least 1/100 to prevent air
pockets from forming.
Water accumulating in the drain piping
can cause the drain to clog.
Select converging drain pipes with gauges is suitable for the operating capacity of the unit.
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