Select Proper Angle Irons - BIG ASS FANS Essence Installation Manual

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WARNING: The fan can weigh up to 120 lbs (54.4 kg). The fan should not be installed unless the structure on which the fan
is to be mounted is of sound construction, undamaged, and capable of supporting the loads of the fan and its method of
attachment. A structural engineer should verify that the mounting structure is adequate prior to fan installation. Verifying
the stability of the mounting structure is the sole responsibility of the customer and/or end user, and Big Ass Fans hereby
expressly disclaims any liability arising therefrom, or arising from the use of any materials or hardware other than those
supplied by Big Ass Fans or otherwise specified in these installation instructions.
CAUTION: Do not install the fan from a single purlin or truss or junction box.
CAUTION: Unsupported angle iron spans should not exceed 12 ft (3.7 m).

1. Select proper angle irons

Follow the table below when selecting angle irons for fan installation. Note: Angle irons and angle iron hardware are not included with
the fan.
Angle iron span
(between mounting points)
6 ft (1.8 m) or less
over 6 ft (1.8 m) to 8 ft (2.4 m)
over 8 ft (2.4 m) to 12 ft (3.7 m)
*Two pairs of angle irons. Pairs should be placed back to back and fastened in center (see step 3).
Mounting Structure: Bar Joists
Minimum angle iron dimensions
(W x H x T)
2.5" (6.4 cm) x 2.5" (6.4 cm) x 0.25" (0.6 cm)
3" (7.6 cm) x 3" (7.6 cm) x 0.25" (0.6 cm)
3" (7.6 cm) x 3" (7.6 cm) x 0.25" (0.6 cm)
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ESSENCE
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Number of angle
irons needed
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Angle Iron Side View
(see table for dimensions)
2
2
Height
4*
Thickness
Width