LG ARNU363DDA4 Installation Manual page 12

INSTALLATION
Horizontal Type Installation
Horizontal Type Installation, continued�
Step 5:
Rotate all three (3) barometric relief dampers to the horizontal position. See Figure 10.
Step 6:
Ensure all the connections from the economizer to the unit are properly installed.
Step 7:
Remove the OA hood from the down shot outside air
panel and re-install it on to the provided horizontal
panel. Ensure to also install the filter access panel.
See Figure 11.
Step 8:
Install the horizontal outside air panel with the horizontal filter access
panel, secure the OA panel to the unit along the vertical side flanges. See
Figure 12.
12
Figure 11: Install horizontal panel (Step 7).
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Figure 10: Rotate three (3) barometric relief
dampers.
Figure 12: Install horizontal filter access panel (Step 8).