17
ENGLISH
Centralized Drainage
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. may need to install individual air vent to prevent water flow back at the top of each indoor unit drainpipe.
Hanger
Main drainpipe
Individual
air vent
Main air vent
Centralized horizontal drainpipe
(more than 1/100 slope)
550mm(22”) or less
1~1.5m(3’ 3”~4’ 11”)
Testing the drainage
You should test the drainage after completing the installation.
Prepare a little water about 1.0 liters.
1. Open the cover water supply intake.
2. Pour water into the water supply intake.
3. Operate the unit in the Cool mode and check a drain pump pumping.
4. Check drain water drops at the end of the drainpipe.
Drainpipe
Drain water drops
5. Make sure there is no water leak at the drainage.
6. When you finished the test, close the coverside.
t
When maintaining the air conditioner, remove condensate water remained in the drain pan by using a
drain port for maintenance.
CAUTION