24
EN
VENTILATION MODES
Exhaust air operation Recirculation mode
Exhaust air operation: Turn
the ventilation knob to this
position.
Recirculation mode: Turn
the ventilation knob to this
position.
Note: If you opt for exhaust
operation, install the check valve at
the vent opening.
To install the check valve
Hold the check valve rmly with your hands and align it
with the vent opening. Insert the check valve and turn it
until three angles of the valve are xed.
Ventilation knob
position
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