Installation
CAUTION
Check that the indoor unit is level with the ceiling by
using by using a level.
• Install air ventilation to drain condensation smoothly.
Ceiling
Air ventilation
• If it is necessary to increase the height of the drain
pipe, install the drain pipe straight within 11.81
inch(300 mm) from the drain hose port. If it is raised
higher than 21.65 inch (550 mm), there may be water
leaks.
Band joint
Ceiling
1/100 or more
11.81 inch (300 mm)
or less
21.65 inch(550 mm)
or less
0.79 inch (20 mm) or more
Drain hose
• 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
3.28 to 4.92 ft (1 to 1.5 m)
1/100 or more
Ceiling
• Install
horizontally.
Indoor unit
Be horizontal
Flexible hose
• Max. allowable aixs gap
Indoor unit
Max. 0.79 inch (20mm)
• Max. allowable bending angle
Max. 30°
Indoor unit
NOTE
• If a concentrated drain pipe is installed, refer to the
figure below.
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