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Installation Procedure
5 Push the drain hose up to insulation when connecting
the drain hose to drain socket.
Metal clamp
Large seailng pad
Drain hose
CAUTION
Check that the indoor unit is level with the ceiling by
using the leveller.
Install air ventilation to drain condensation smoothly.
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.
Band joint
14
English
Drain socket
Drain hose
Drain pipe
Be sure to bond the drain
hose and the main pipe.
PVC Tube Joint
+ VP25 (OD: 32 mm, ID: 25 mm)
Drain pipe
Air ventilation
Ceiling
300 mm
or less
20 mm or more
Drain hose
Ceiling
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
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
Install horizontally.
Be horizontal
Indoor unit
Flexible hose
Max. allowable axis gap.
Indoor unit
Ceiling
1 to 1.5 m
1/100 or more
Ceiling
Max. 20 mm
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