Midea MH90A3200W-ES Instruction Manual page 7

CHOOSE A VENTING MODE
Here two venting modes, extraction-air mode and recirculation mode, before installing，
select one mode.
Extraction-air mode, the air is discharged out of the house by a pipe.
Recirculation mode, the air is purified and discharged into the house through two rows of
holes on the adjustable decorative cover.
Note: For recirculation mode, no need pipe, install carbon filters.
when carbon filter attached, the suction power will be lowered.
Recirculation mode
CONNECTIONS
DUCTED VERSION AIR EXHAUST SYSTEM
When installing the ducted version, connect the hood to the chimney
using either a flexible or rigid pipe ɸ 150 or ɸ 120 mm, the choice of
which is left to the installer.
 To install a ɸ 120 mm air exhaust connection, insert the reducer
flange 3 on the hood body outlet.
 Fix the pipe 4 in position using sufficient pipe clamps (not
supplied).
 Remove possible charcoal filters.
Extraction-air mode
7