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Specification Guide

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58 | DUCTED
Ceiling-Concealed Ducted System Engineering Manual
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 38: Close up of Bolt Attachment.
Figure 39: Bolting the LUU247HV Outdoor Unit to the Platform.
Figure 37: Bolting the LUU097HV and LUU127HV Outdoor Units to the
Platform (Appearance May Vary).
Minimum
7-7/8
7-7/8
Minimum
15-3/4
Minimum 24-13/32
Unit: Inch
Bolting the Outdoor Unit to the Platform
Bolting the Outdoor Unit to the Platform Procedure
When installing the outdoor unit onto a concrete or rigid mount, use
a bolt and nut.
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 con-
densate drainage.
6. Seal all wiring and piping access holes to prevent bugs from
entering the unit.
• All referenced materials are to be field-supplied.
• Images are not to scale.
PLACEMENT CONSIDERATIONS
Outdoor Unit
Bolt and
A
nti-vibration
Pad Placement
Refrigerant Piping
Connection Location
Foundation
Top of Outdoor Unit
(Looking Down)
Minimum
7-7/8 inches
Minimum 24-13/32 inches
Minimum 15-3/4 inches
Outdoor Unit Bolt Type Concrete Height Bolt Depth
LUU097HV,
LUU127HV
M10-J
Minimum 3-15/16
inches
Minimum 2-3/8 inches
LUU247HV M10-J
Minimum 7-7/8
inches
LUU367HV M10-J
Table 35: Outdoor Unit Foundation Specications.
Figure 40: Bolting the LUU367HV Outdoor Unit to the Platform.
Figure 41: Platform Mounting.
Minimum
3-15/16
inches
Minimum 22-3/16 inches
Minimum 14-19/32 inches
M10
Anchor Bolt
2-3/8 ~ 4-3/32
25/32
Unit: Inch