AAON RQ-006 - Manual (Page 34)

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Vertical Duct Connection
Note: If outside air will be in contact with
the air tunnel base the unit should include
the base insulation option or the base must
be field insulated.
Figure 8 - Vertical Duct Connection
Do not drill or punch holes in the
base of the unit, from inside the unit
or from below the unit to attach
ductwork. Leaking may occur if unit
base is punctured.
CAUTION