LGRED Installation Manual

28
MULTI F / MULTI F MAX with LGRED Outdoor Unit Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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MULTI
F
MAX
MULTI
F
WITH
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THE OUTDOOR UNITS
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Specifications
• Tightly anchor the outdoor unit with a bolt and nut to a concrete or rigid platform.
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platform with nails and / or wiring, taking into consideration the possibility of strong winds or earthquakes.
• If installing the outdoor unit on the roof, check the strength of the roof.
M10
Anchor Bolt
3
13/16
Unit: Inch
Figure 11: Example of Using an
Insert for a Hole in a Reinforced
Concrete Beam.
Concrete Beam
Insert
Suspension Bolt
Polyblock /
Anti-Vibration
Material
Nail Securing
Polyblock
Figure 12: Close up of Bolt Attachment.
Outdoor Unit Platform Concrete 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.
• See table and figures for height, width, etc., requirements.
• Include an area for drainage around the foundation to ensure condensate thoroughly drains away from
the outdoor unit.
Bolting the Outdoor Unit to the Platform Procedure
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. If there is a possibility of vibration from the outdoor unit transmitting to the
building, add an anti-vibration material to the platform.
5. Include enough space around the concrete foundation for condensate drain-
age.
6. Seal all wiring and piping access holes with field-supplied sealing material to
prevent animals and bugs from entering the unit.
Figure 15: Bolting the Outdoor Unit to the Platform (Piping
Location Will Differ Depending on Outdoor Unit Model).
Figure 13: LMU180HHV, LMU240HHV, and LMU300HHV Outdoor Units.
Outdoor Unit Bolt Type Concrete Height Bolt Depth
LMU180HHV,
LMU240HHV,
LMU300HHV
M10-J
Minimum Four (4)
Inches
Minimum Three (3)
Inches
LMU361HHV,
LMU421HHV,
LMU480HHV
M10-J
Minimum Eight
(8) Inches
Minimum Three (3)
Inches
Table 10: 2XWGRRU8QLW)RXQGDWLRQ6SHFL¿FDWLRQV
Minimum 4
24-13/32
Minimum 16
Unit: Inch
Figure 14: LMU361HHV, LMU421HHV, LMU480HHV Outdoor Units.
Minimum
8
7-7/8
15-3/4
Minimum 24-13/32
Unit: Inch
M
oun
ti
ng
Bolt
Piping Connections