Duct Connections - LG MULTI V ARNU363DDB4 Installation Manual

Duct Connections in Split Rooftop Units
The unit is shipped in vertical (bottom) duct configuration. To convert to horizontal ducted configuration, remove screws from the side duct
opening covers and remove the covers. Using the same screws, install the covers on the vertical duct openings. Seals around duct openings
must be tight.
General Guidelines
• To prevent air leaks, seal all ducts following local codes.
• Installation of all ducts must be done in accordance with SMACNA and AMCA guidelines.
• Duct adapters are provided along with the RTU to support ducts.
Figure 20: Split Rooftop Units - Horizontal and Vertical positions.
10.9 inch
13.0 inch
12.6 inch
Figure 21: Split Rooftop Unit Duct Connections.
46.7 Inch
Horizontal Duct
Openings
10.9 inch
25.7 inch
13.0 inch
12.6 inch
Filter Service Panel
38.9 Inch
76.7 Inch
Removable Panel for
Economizer option
Due to our policy of continuous product innovation, some specifications may change without notification.
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DUCT CONNECTIONS

25.7 inch
End View
13.0 Inch
12.6 Inch
Supply Duct
Opening
10.9 Inch
25.7 Inch
Return Duct
Opening
37