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45
Refrigerant Piping Connections
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
REFRIGERANT PIPING CONNECTIONS
Accumulated
drain water
Tip of Drain Hose
In Container
Tip of Drain
Hose Pointing
Up
Tip of Drain Hose
In Water
Air
Kinks
Water
Leak
Water
Leak
Ditch
Less than
2 inch Gap
Between Bottom
of Drain Hose and
Ground
Water
Leak
No rainwater trap
Drain Hose and
Ground are Parallel
Horizontal Drain Hose
>6-1/2 feet
Drain Hose Inserted
<2 inches
Bundle Taped in
Downward
Direction
Less than 2 inch Gap
Buried Pipe
Upward slope
to outdoor
can cause indoor
leaks!
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Water
Leak
Indoor
Unit
Indoor
Unit
Water
Leak
Indoor
Unit
Water
Leak
Indoor
Unit
Water
Leak
Drain Hose
Installed in
Upward Direction
Figure 57: Incorrect Slope Angles for the Drain Hose.
Indoor Unit Condensate Drain Hose
Avoid installing the drain hose as shown in the diagrams below. These methods are incorrect and can cause leaks at the indoor unit site.
Incorrect Slope Angles for the Drain Hose
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