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Drain pipe and Drain Hose Installation
Drainpipe connection
Without the drain pump
1. Install horizontal drain pipe 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 odors reaching the indoor unit.
3. Do not install the drainpipe to upward position. It may cause water flow back to the unit.
H
2
1
1~1.5m
H≥50mm
Drain Pipe Cleaning hole
Horizontal drainpipe
more than 1/100 slope
Ceiling
Hanger
With the drain pump
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.
Flexible hose
Air vent
300mm or less
Horizontal drainpipe
more than 1/100 slope
Within
330mm
1~1.5m
200mm or
more
Ceiling
Hanger
20mm or
more
English-22