Haier HADG9CBS4BWIFI Notice D'installation Et D'utilisation page 17

INSTALLATION (VENT INSIDE)
If you do not have an outlet to the outside, exhaust pipe is not required and
the installation is similar to the one show in section "INSTALLATION (VENT
OUTSIDE)".
Activated carbon filter can be used to trap odors.
In order to install the activated carbon filter, the grease filter should be
detached first. Press the lock and pull it downward.
Plug the activated carbon filter into the unit and turn it in clockwise direction.
Repeat the same on the other side.
NOTE:
o Make sure the filter is securely locked. Otherwise, it would loosen and
cause dangerous.
o When activated carbon filter attached, the suction power will be
lowere
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