13
English
Installation Pr
oc
edur
e
PVC Tube Joint +
VP25 (OD: 32 mm, ID: 25 mm)
Drain hose
Drain pipe
CAUTION
Check that the indoor unit is level with the ceiling by
using the leveller.
• Install air ventilation to drain condensation smoothly.
Air ventilation
Ceiling
• If it is necessary to increase the height of the drain pipe,
install the drain pipe straight within 300 mm from the
drain hose port. If it is raised higher than 550 mm, there
may be water leaks.
Drain hose
Ceiling
20 mm or more
1/100 or more
Band joint
300 mm
or less
300 to
550 mm
• Do not give the hose an upward gradient beyond the
connection port. This will cause water to flow backwards
when the unit is stopped, resulting in water leaks.
Under gradient
Ceiling
• Do not apply force to the piping on the unit side when
connecting the drain hose. The hose should not be
allowed to hang loose from its connection to the unit.
Fasten the hose to a wall, frame or other support as
close to the unit as possible.
Support pieces
1 to 1.5 m
1/100 or more
Ceiling
• Install
horizontally.
Be horizontal
Indoor unit
Flexible hose
• Max. allowable axis gap.
Max. 20 mm
Indoor unit
• Max. allowable bending angle.
Indoor unit
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NOTE
• If a concentrated drain pipe is installed, refer to the
figure below.
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Summary of Contents for AM AN4PKH Series
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