Faber Nova PRO Instructions D'installation page 10

As shown in the image to the right use
a flathead screwdriver to break out the
rear electrical knockout.
Once the screws are removed,
extract the blower from the body
of the Hood and position it so the
transition opening is facing to the
rear wall (from the back remove and
rotate 180 degrees to the left, and
then flip it back 90 degrees as shown
in the diagram).
10
For a horizontal ducting
installation the motor
needs to be unsecured
by first removing the 12
screws as shown.