CSA DLW120 Guide D'utilisation Et D'installation page 5

STEP 6
Fix the base under the lower suction tunnel piece
directly to the wall.
Finally, install the bottom screws of the lower
suction tunnel pieces.
STEP 7
Place the upper suction tunnel piece above the
lower suction tunnel piece. The screws at the
bottom of the upper suction tunnel also secure
the top of the lower suction tunnel pieces.
STEP 8
Place the fan casing on the top of the upper
suction tunnel piece.