Novy Easy 80 Pro Duct out Mode D'emploi page 131

6.3 Extraction mode (1851 only)
The air drawn in is first cleaned by the grease filters
before being expelled outside. This can be done
by making use of ducting connected between the
appliance and a wall outlet grille.

Ensure adequate air supply to the kitchen for
the system to work efficiently.
6.4 Recirculation mode (1861 only)
The air drawn in is first cleaned by the grease filters.
The scents are then removed by the recirculation filter
before re-entering the kitchen.

Provide adequate ventilation in the kitchen
for optimal efficiency of the recirculation
system.
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