LG LD097HV4 Engineering Manual page 71

Indoor Unit Drain System
• Drain piping must have downward gradient of at least 1/50 to 1/100;
must not be straight up and down.
• Do not damage the drain port on the indoor unit when connecting the field-supplied drain piping.
• Drain piping specifications:
- Indoor Unit Drain Connection: 1-1/4 inch outside diameter.
- Field-Supplied Drain Piping: Polyvinyl chloride piping with 1-inch inside diameter and pipe fittings.
Figure 51: Drain Piping Installation Dimensions.
Indoor unit appearances may vary depending on the model.
PLACEMENT CONSIDERATIONS
Hanger distance
Maximum
11-13/16 inches Hanger Bracket
3.3~49.2 feet
1/50~1/100 slope
Metal
clamp
Flexible drain hose
Insulation
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.
to prevent reverse flow, slope
Indoor Unit
Figure 50: Indoor Unit Drain Piping.
Drain Pipe Support
Indoor unit
Drain Port
Maintenance
1/50~1/100mm
Maximum
27-9/16 inches
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