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19
General Installation Guidelines
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.
GENERAL INSTALLATION GUIDELINES
Model
Foundation (Inches) Leg
Thickness
(Inches)
A B C
LSU090HEV2,
LSU120HEV2,
LSU090HFV3,
LSU120HFV3;
LSU090HXV2,
LSU120HXV2
18-7/32 Minimum 4 11-1/32 1/16
LSU180HEV2,
LSU180HFV3,
LSU240HEV2,
LSU240HFV3
23-1/16 Minimum 4 15-3/4 1/16
Concrete Platform Specifications
• Concrete foundations must be made of one part cement, two parts sand, and four parts gravel.
• The surface of the foundation must be finished with mortar with rounded edges, and weatherproofed.
All referenced materials are to be eld-supplied. Images are not to scale.
B
A
C
M10
Anchor Bolt
Min. 3 to 5 inches
Min. 1
inches
Bolt
Placement
& Anti-Vibration
Pad
Piping Connection
Top of Unit
Foundation
Bolting the Outdoor Unit to the Platform
1. Ensure that the concrete platform will not degrade easily, and
has enough structural strength to bear the weight of the unit.
2. Include an H-beam support. Firmly attach the corners, otherwise
the support will bend.
3. Use a hexagon nut.
4. Use anti-vibration material.
5. Include enough space around the concrete foundation for con-
densate drainage.
6. Seal all wiring and piping access holes to prevent insects from
entering the unit.
Figure 6: Example of Using an Insert for a Hole
in a Reinforced Concrete Beam.
Outdoor Unit Platform Dimensional Requirements
Figure 7: Close up of Bolt Attachment.
Figure 8: Single Zone Mega, Standard Efciency, and Mega 115V Wall
Mount Outdoor Units (Appearances Will Vary Depending on Model).
Table 8: Mega , Standard Efciency, and Mega 115V Outdoor Unit
Foundation Specications.
Figure 9: Bolting the Outdoor Unit to the Platform (Piping Location Will
Differ Depending on Outdoor Unit Model).
Concrete Beam
Insert
Suspension Bolt
Polyblock /
Anti-Vibration
Material
Nail Securing
Polyblock
Outdoor Unit Mounting
Review the specications for eld-supplied pad mounts or brackets to ver-
ify that outdoor dimension requirements are met.
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