E-
19
ENGLISH
Drain pipe and Drain hose Installation (Continued)
1
Install horizontal drainpipe with a slope of 1/100 or more and fix it by
hanger space of 3.28~4.92ft(1~1.5m).
2
Install U-trap at the end of the drainpipe to prevent a nasty smell to reach
the indoor unit.
Centralized Drainage
Without the drain pump
1
Install main air vent at the front of the farthest indoor unit from the main
drain when installed indoor units are more than 3.
2
You may need to install individual air vent to prevent water flow back at
the top of each indoor unit drainpipe.
With the drain pump
Main drainpipe
Hanger
Main air vent
Centralized horizontal drainpipe
(more than 1/100 slope)
21.65inch
(550mm) or less
3.28~4.92ft
(1~1.5m)
Individual
air vent
3.
94
in
ch
(1
00
m
m
)
or
m
or
e
Ceiling
Horizontal drainpipe
more than 1/100 slope
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