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INSTALL BRANCH DUCT
Branch Duct Installation
1. Cut the side panel and EPS foam of the cassette indoor unit (follow the cabinet perforations).
2. Install insulation between the cassette indoor unit panel and EPS foam. Ensure that the insulation is
installed tightly, securely, and with no gaps.
Figure 41: Cutting the Cassette Indoor Unit Side Panel and EPS Foam.
Cut Side Panels
Figure 42: Installing the Insulation.
Insulation
3. Tightly attach the duct chamber (sub-duct) on the cassette indoor unit cabinet using screws.
4. Cover the duct chamber (sub-duct) and the whole cassette indoor unit cabinet with insulation.
Figure 43: Installing the Duct Chamber (Sub-Duct).
Duct Chamber
Figure 44: Installing Whole Cabinet Insulation.
Cover the Whole Cabinet with Insulation
44
Cut EPS Foam
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.
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-
-
•
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3-15/16
ness
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Figure 40: Four-Way Cassette
Indoor Unit Branch Duct Option
Examples.
B
A
B
2
13-3/4
2
(Unit: Inch)
2
2
C
D
C
A
3-15/16
-
D
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