Checking The Drainage; Drain Piping - LG SJ122CD Installation Manual

Checking the Drainage

To check the drainage.
1. Pour a glass of water on the evaporator.
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
Tip of drain hose
dipped in water
Water
leakage
Ditch
Installation
Connecting area
drain hose
Leakage
checking
Drain pan
Drain
hose
Leakage
checking
Downward slope
Less than
50mm gap
Installation Manual 21