LG UU12 Installation Manual page 35

3. Convertible type
1. Set the air direction louvers up-and-down to
the position(horizontally) by hand.
To check the drainage.
1. Pour a glass of water on the evaporator
using a kettle.
2. Ensure the water flows through the drain
hose of the indoor unit without any leakage
and goes out the drain exit.
Drain piping
1. The drain hose should point downward for
easy drain flow.
2. Do not make drain piping like the following.
Do not raise
Water
leakage
Accumulated
drain water
Air
Water
Waving
leakage
Indoor Unit Drain Piping
Tip of drain hose
dipped in water
Water
leakage
Ditch
Downward slope
Less than
50mm gap
Installation Manual 35