CDA 3Q9 - Manual (Page 9)

8
Using the extractor as a
recirculation device
Prise off the vent outlet cover using a screwdriver, as shown
in fig 12 and assemble as shown in fig 13.
Using the extractor as an
extraction device
Feed the duct pipe through the top cover and fix it to the
duct adapter ring. Connect the ring to the extractor and refit
the top cover panel as shown in figure 14. Note that charcoal
filters are not required when the unit is to be operating in
this manner.
Fig. 13
Fig. 12
Fig. 14