AYA AHDG6X/3 Manuel D'utilisation page 42

Installation (Vent outside):
Attention! Observe the warning in the instruction sheet
concerning the operation of the appliance when air is
discharged from the room.
When the range hood and appliance supplied with energy other
than electricity are simultaneously in operation, the negative
pressure in the room must be not exceed 4 Pa (4×10 -5 Bar)
5. Drill 3 x 8mm holes to accommodate the bracket. Screw and
tighten the bracket onto the wall with the screws & screw plugs
provided.
Holes on wall
Screw plug
Wall bracket
6. Offer up the cooker hood and hang onto the wall bracket hook.
EN-12
Screw
(4mm x 30mm)