Drain Piping - LG Multi V CRNN-SP Series Installation Manual

• Wrap the area which accommodates the rear piping
housing section with vinyl tape.
Connection
pipe
Vinyl tape Wrap with vinyl tape
(wide)
Connecting cable
Vinyl tape(narrow)

Drain Piping

1) 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.
• Bundle the piping and drain hose together by wrap-
ping them with vinyl tape for enough to cover where
they fit into the rear piping housing section.
Indoor
unit pipe
Pipe
Drain hose
Pipe
2) Drain piping
• The drain hose should point downward for easy
drain flow.
• Do not make drain piping.
Do not raise
Water
leakage
Wrap with vinyl tape
Vinyl tape(wide)
Downward slope
Accumulated
drain water
Tip of drain hose
Air
dipped in water
Water
Water
Waving
leakage leakage
Ditch
Installation Manual 11
Installation
Less than
50mm gap