PLACEMENT CONSIDERATIONS
M10
Anchor Bolt
2-3/4~4 23/32
13/16
Unit: Inch
Bolt
Refrigerant Pipe
Connection Location
Top of Outdoor Unit
(Looking Down)
Bolt
Bolt
Bolt
Bolting the Outdoor Unit to the Platform
1. Ensure that the concrete platform will not degrade easily, and has enough
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 condensate
drainage.
6. Seal all wiring and piping access holes to prevent bugs from entering the
unit.
Figure 44: Outdoor Unit Foundation Requirements.
Concrete Platform Specifications
• Concrete foundations should be made of one part cement, two
parts sand, and four parts gravel.
• The surface of the foundation should be finished with mortar with
rounded edges, and weatherproofed.
Figure 45: Bolting the Outdoor Unit to the Platform.
Minimum
7-7/8
7-7/8
15-3/4
Minimum 24-13/32
Unit: Inch
Outdoor Unit Type Bolt Type Concrete Height Bolt Depth
LMU18CHV, LMU24CHV,
LMU36CHV
M10-J Minimum 3-15/16 inches Minimum 2-3/4 inches
LMU540HV M10-J Minimum 7-7/8 inches Minimum 2-3/4 inches
Table 324: Outdoor Unit Foundation Specications.
LMU540HV Outdoor Units
Minimum
3-15/16
21-1/2
Minimum 14-9/16
Unit: Inch
Outdoor Unit Platform Requirements
LMU18CHV and LMU24CHV Outdoor Units
LMU36CHV Outdoor Units
Figure 46: Close up of Bolt Attachment.
21-1/2
Minimum 14-9/16
Due to our policy of continuous product innovation, some specications may change without notication.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
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