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•
Install air ventilation to drain condensation smoothly.
Air ventilation
•
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
•
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
300 mm or
less
20 mm or more
Drain hose
Ceiling
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
•
Install horizontally.
Be horizontal
Indoor unit
•
Max. allowable axis gap.
Indoor unit
•
Max. allowable bending angle.
Indoor unit
1 to 1.5 m
1/100 or more
Ceiling
Flexible hose
Max. 20 mm
English
17
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