Step 3
. Choose desired orientation for second 10” diameter
exhaust duct collar:
A. Straight through (180°) flow
Attach the second 10" duct collar as you did the first. Use six #8
screws provided.
Recycle three plates and nine extra screws. These are only used for
90° flow option.
180° Flow
B. Upward, out of the top (90°) flow
Remove the 10" circular knock out from top panel of dehumidifier
using side cutters.
Attach three white plates using three #8 screws provided
Attach 10" plug to rear of the dehumidifier using six #8 screws
Attach the second 10" duct collar as you did the first. Using six #8
screws provided.
90° Flow
FOR HVAC INSTALLER ONLY
6
Ultra-Aire 90H Installer’s & Owner’s Manual
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