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WARNING
• Chassis threaded rod hangars (bolts) and hardware must be securely installed to pre-
vent the chassis falling from its installation location. There is risk of personnel injury or
property damage from falling equipment.
• Installation work must be performed by trained, authorized personnel and in accor-
dance with all local or other applicable codes. There is risk of injury to personnel or
from incorrect installation.
Note:
• Ensure the unit is properly installed. Incorrectly installed units can result in degraded
performance or an inoperative unit/system.
• Use a level indicator to ensure the chassis is installed on a level plane.
• Use the provided pattern to determine the size of the ceiling opening and the threaded
rod hangar locations required by the unit.
1. Determine the installation location. Use the applicable chassis ceil-
ing pattern and open the chassis installation space (Figure 8).
2. Use the applicable chassis threaded rod hangar pattern (Figure 9
through Figure 12) to mark the four hangar locations.
3. Securely install the four field-provided threaded rod hangars.
4. Refer to Figure 13 and hang the cassette chassis from the four field-
supplied hangars.
5. Use a level to ensure the chassis is level (Figure 14). All ceiling cas-
settes use a condensation drain pump, and the chassis must be level.
6. If local code requires an auxiliary drain pan under the unit, install a
field-provided auxiliary drain pan.
Figure 9:
TP/TN/TM Chassis
34-7/16 (Ceiling opening)
30-15/16
(Hanging bolt)
33-1/16
Unit size
Ceiling
Level gauge
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.
INSTALLATION
Install Cassette Chassis
Figure 8: Ceiling Opening and
Figure 10:
TQ/TR Chassis
20-3/8~26 (Ceiling opening)
23
22-7/16
18-1/8
Threaded Rod Hangar Locations
Ceiling board
29
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