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Drain pipe and drain hose installation
Centralized drainage
Without the drain pump
1. Install horizontal drainpipe with a slope of 1/100 or more and fix it by hanger space of 39.37~59.05inch(1,000~1,500mm).
2. Install U-trap at the end of the drainpipe to prevent a nasty smell to reach the indoor unit.
With 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.
Hanger
Main drainpipe
26
Big Duct_IBIM_E_33766-3.indd 26
Ceiling
Individual
air vent
Horizontal drainpipe more
than 1/100 slope
39.37~59.05inch
(1,000~1,500mm)
Main air vent
12.99inch (330mm)
or less
Centralized horizontal drainpipe
(more than 1/100 slope)
2012-01-13 오후 9:40:32
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