Instructions / Assembly

6 ft (1.8 m) or less
> 6–8 ft (> 1.8–2.4 m)
> 8–12 ft (> 2.4–3.7 m)
Height
Width
Thickness
Angle Iron Side View
(see table for dimensions)
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5
PREPARING THE MOUNTING STRUCTURE: BAR JOISTS
Bar joist mounting guidelines
The fan must be hung from angle irons mounted to bar joists.
The installer must supply the angle irons and angle iron hardware.
Do not install the fan from a single purlin, truss, or bar joist.
Angle iron spans should not exceed 12 ft (3.7 m).
The angle irons must be fastened to the roof structure at each end.
1. Select proper angle irons
Angle Iron Span
(between mounting points)
Minimum Angle Iron Dimensions
(W x H x T)
Number of Angle
Irons Needed
6 ft (1.8 m) or less
2.5” x 2.5” x 0.25”
(64 x 64 x 6 mm)
2
> 6 to 8 ft
(> 1.8 to 2.4 m)
3” x 3” x 0.25”
(76 x 76 x 6 mm)
2
> 8 to 12 ft
(> 2.4 to 3.7 m)
3” x 3” x 0.25”
(76 x 76 x 6 mm)
4
1
1. Two pairs of angle irons needed