Installation Instructions
1. Choose the location for your fan in the ceiling. For best possible
performance, use the shortest possible duct run and a minimum
number of elbows.
2. Cut an opening measuring 11.3 inches x 10.3 inches at the selected
location. ( See the Fig.1.)
3. Fix two wooden boards with a thickness of over 15mm and align the
cut holes. Consistent with the installation direction shown in the
diagram. ( See the Fig.2.)