Midea MCHC90B68 Instruction Manual page 8

Installation Instruction
Installation plate
After hanging the hood on the installation plate, fasten
two pieces of M5X50 screws to avoid the slide off of
the hood accidentally.
The hood should be screwed to a stable wall.
It is not recommended to secure the hood to the bottom
of the cabinet with screws, which may invalidate the
maintenance terms.
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