Installation manual

3
In-line Fan Assembly
The unique COMBI fan can be configured in either 4 inch,
5 inch, 6 inch, OR any combination of the three.
The collars will fit on the main housing with a tapered
friction fit. No sealant is required. Locate screw slot on
collar and use 1 - 1/4 hex head screw (supplied) per
collar to secure collar in place.
Collars included with this fan
2 4” collars
2 5” collars
The following configurations are available:
Six Inch Dedicated (no collars required)
Five Inch Dedicated (attach 2 - 5” collars)
Four Inch Dedicated (attach 2 4” collars)
Combination
Example -- 4 inch and 5 inch collars. Any combination of
sizes can be used.
4”
4”
5”
5”