Bosch DUH Installation Manual page 10

8. Mark holes
Select the vent option that your installation will
require and proceed to that section:
Outside top exhaust
(Vertical duct– 3 1/4"x 10" Rectangular)
Use the diagram or the hood as a template and
mark the locations on the cabinet for ductwork,
electrical wiring and keyhole screw slots.
Outside top exhaust
(Vertical duct–7" Round)
Use the diagram or the hood as a template and
mark the locations on the cabinet for ductwork,
electrical wiring and keyhole screw slots.
Outside rear exhaust
(Horizontal duct– 3 1/4"x 10" Rectangular)
• Use the diagram or the hood as a template and
mark the locations on the cabinet for ductwork,
electrical wiring and keyhole screw slots.
Recirculating
Use the hood as a template and mark the locations
on the cabinet for the electrical wiring and keyhole
screw slots.
Since the hood is to be recirculated (not to be
vented outside), do not cut out any vent openings in
the wall or cabinet bottom.
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