AAON RN Series, Installation, Operation & Maintanance Manual, Page: 39 / 116

39
Duct Connection
Note:
If outside air will be in contact with
the air tunnel base of an A, B or C cabinet
unit (6-25 and 30 tons), the unit should
include the base insulation option or the
base must be field insulated. D and E
cabinet (26 and 31-140 tons) units include
base insulation standard.
Figure 14 - 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