Installation Procedure
36
English
Installation manual
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 1.0~1.5m.
2 Install U-trap at the end of the drainpipe to prevent a nasty smell to reach the indoor unit.
100mm or more
Ceiling
Horizontal drainpipe more than 1/100 slope
Centralized Drainage 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.
Hanger
Main drainpipe
Individual
air vent
Main air vent
Centralized horizontal drainpipe
(more than 1/100 slope)
550mm or
less
1~1.5m
Performing the drainage test
1 Pour water into the base pan in the indoor unit as shown
in figure.
CAUTION
• The leak test must be performed for at least 24
hours.
2 Confirm that the water flows out through the drain hose.
a. Pour about 2 liters of water into the indoor unit
drain pan.
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