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INSTALLATION
Location Selection / Roughing In
Location Selection
DANGER
cause serious bodily injury or death. Before beginning installation, read the safety summary at the beginning of this manual.
Select a location for installing the unit that meets the following conditions:
Do's
1. Where there is enough structural strength to bear the weight of the unit.
2. Operating sound from the unit will not disturb occupants.
3. Include enough space for service access.
4. Include space for drainage to ensure condensate flows properly out of the unit when it is in cooling mode.
5. Use a level indicator to ensure the unit is installed on a level plane.
WARNING
• Securely install threaded rod hangars (bolts) and hardware to prevent the chassis falling from its installation location. There is risk of per-
sonal injury from falling equipment.
• Installation work must be performed by trained personnel and in accordance with all local or other applicable codes. There is risk of injury to
personnel from incorrect installation.
• Ensure the unit is properly installed. Incorrectly installed units can malfunction resulting in degraded performance or an inoperative unit/
system.
• Securely install threaded rod hangars (bolts) and hardware to prevent the chassis falling from its installation location. There is risk of equip-
ment or property damage from falling equipment.
Roughing In the DOAS Unit
1. Determine the installation location. Ensure the location has enough space to
allow necessary duct connections and maintenance access.
2. Securely install the four field-provided threaded rod hangars to the overhead
support locations.
3. Hang the chassis from the four field-supplied threaded rod hangars. Refer to the
threaded rod hangar details in the figure.
4. Use a level to ensure the chassis is level and securely tighten the mounting
nuts.
5. If local code requires an auxiliary drain pan under the unit, install a field-provided
auxiliary drain pan.
6. Connect ductwork to the unit as necessary.
22
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.
Figure 6: Hanging Bolt Assembly.
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
Spring washer
(M10)
The following parts are
Spring Washer - M10
field-supplied:
Included with the Unit:
Hanging Bolt - W-3/8"
Flat Washer - M10
or 1/2"
Nut - W-3/8" or M10
Flat washer for M10
Flat washer for M10
Nut
(W3/8 or M10)
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