LG AUUW096D Installation Manual page 35

Drain test
1. Cassette type
The air conditioner uses a drain pump to drain water.
Use the following procedure to test the drain pump operation:
Feed water
Drain Pump
Drain pan
2. Duct type
1) Remove the Air Filter.
2) Check the drainage.
• Spray one or two glasses of water upon the
evaporator.
• Ensure that water flows drain hose of indoor unit
without any leakage.
• Connect the main drain pipe to the exterior and leave
it provisionally until the test comes to an end.
Flexible drain hose
(accessory) • Feed water to the flexible drain hose and check the
Main
piping for leakage.
drain pipe
• Be sure to check the drain pump for normal
operating and noise when electrical wiring is
Drain
port
Glue the joint
complete.
Drain hose connection
• When the test is complete, connect the flexible drain
Use the clip (accessory)
hose to the drain port on the indoor unit.
Indoor Unit Drain Piping
Flexible drain hose
Installation Manual 35