Consider the location of the ducting to minimize the length of
and the number of bends in the ducting. THE DUCTING MUST
BE TAUT TO PREVENT NOISE. CUT TO SUIT. Use the most
appropriate length to suit the installation on the entry and exit
side.
1. Establish a suitable position in the roof space for the motor
unit. Install it as close as ractical to the rangehood and the
external vent.
2. Using the screws provided mount the motor unit onto a
suitable structure in the roof space. Check that the direction
of air is flowing the right way! Mount on a board across the
9