Drain Hose - LG LS090HSV4 Installation Manual

RefRigeRant PiPing ConneCtions

Drain Hose

Drain Hose Guidelines
Refer to the diagrams below and follow proper installation and the running of the drain hose along the pipe installation line to avoid leakage. Once
drain hose is set in place, always follow with evacuation and leakage testing of all piping to be sure all piping is properly sealed. Re-check and retest
as necessary.
Drain hose is routed from the indoor unit through the structure (wall)
to the outdoor. It should slope at an angle where it is higher at the
indoor unit and lower toward the outdoor area, thereby letting gravity
push any condensation down and out. See Figure 34 for proper
drainage slope. Avoid piping the drain hose as shown in Figure 35.
These methods are incorrect and can cause leakage at the indoor
unit site.
Figure 34: Correct Slope Angle for Drain Hose
Correct Drainage Slope
Downward slope
to outdoor
for proper drainage
Indoor
Unit
28
Piping
Due to our policy of continuous product innovation, some specifications may change without notification.
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Figure 35: Correct Slope Angle for Drain Hose
Incorrect Drainage Setup
Indoor Unit
Water
leakage
Accumulated
drain water
Indoor Unit
Water
Waving
leakage
Tip of drain hose
dipped in water
Indoor Unit
Water
leakage
Drain Hose
Upward slope
to outdoor
can cause indoor
leaks!
Air
Ditch
Less than
2 Inch gap from ground