26
A
1
The drain pipe should be installed within 300mm to 550mm from the flexible hose and then lift
down 20mm or more.
2
Install horizontal drainpipe with a slope of 1/100 or more and fix it by hanger space of 1.0~1.5m.
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.
Note
4
The flexible hose should not be installed upward position, it may cause water flow back to the
indoor unit.
With the drain pump
1
Install horizontal drainpipe with a slope of 1/100 or more and fix it by hanger space of 1.0~1.5m.
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.
Without the drain pump
1~1.5m
Horizontal drainpipe
more than 1/100 slope
Ceiling
Hanger
Flexible hose
Flexible hose
Air vent
300mm or less
Horizontal drainpipe
more than 1/100 slope
Within
300~550mm
1~1.5m
200mm
or more
Ceiling
Hanger
20mm
or more
Drain pipe and drain hose installation
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