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Drainpipe and drain hose installation
Drainpipe Connection
Without the drain pump
1.
2. Install U-trap at the end of the drainpipe to prevent a nasty smell to reach the indoor unit.
3. Do not install the drainpipe to upward position. It may cause water flow back to the unit.
With the drain pump
1.
2.
3
Install the air vent in the horizontal drainpipe to prevent water flow back to the indoor unit.
You may not need to install it if there were proper slope in the horizontal drainpipe.
4
The flexible hose should not be installed upward position, it may cause water flow back to the indoor unit.
Air vent
11.8inch(
300mm
)
or less
Flexible hose
Testing the drainage
Prepare a little water about 5 liter.
1
Pour water into the base pan in the indoor unit as shown in figure.
2
Confirm that the water flows out through the drain hose.
Slim Duct Type
The designs and shape are subject to change according to the model.
34
Flexible hose
Horizontal drainpipe
Ceiling
more than 1/100 slope
(
(200mm)
Hanger
or more
(20mm)
or more
Within
Horizontal drainpipe
Ceiling
more than 1/100 slope
Hanger
Global Duct Type
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