LG A2UQ166FA0, Service Manual, Page: 68 / 238

68 Multi type Air Conditioner
Installation
3. Art Cool Deluxe Type Indoor Unit
1) To remove the front panel from the indoor unit.
• Set the air direction louvers up-and-down to the posi-
tion(horizontally) by hand.
• Remove the securing screws that retain the front
panel. Pull the lower left and right sides of the grille
toward you and lift it off.
2) To check the drainage.
• Pour a glass of water on the evaporator.
• Ensure the water flows through the drain hose of the
indoor unit without any leakage and goes out the drain
exit.
3) Drain piping
• The drain hose should point downward for easy drain
flow.
• Do not make drain piping.
Air
filter
Inlet Grille
Do not raise
Water
leakage
Tip of drain hose
dipped in water
Water
leakage
Ditch
Accumulated
drain water
Air
Waving
Water
leakage
Downward slope
Less than
50mm gap
Connecting area
drain hose
Leakage
checking