Installation guide

Isis

Alternative mounting methods

The following can be purchased for unique residential mounting methods not covered in this manual by lling out the Optional Parts

Order Form (p. 37). Consult a structural engineer prior to fan installation. For more information, contact your Big Ass Fans Sales

Representative or Customer Service at 1-877-BIG-FANS.

The I-beam adapter can be purchased for hanging the Isis from I-beams.

Big Ass Fans offers both a small and large adapter depending on the

width of the I-beam. The I-Beam Adapter can only be used on I-beams

that are 5” (12.7 cm) to 9-7/8” (25 cm) (small adapter) or 9-7/8” (25 cm) to

14-5/8” (37 cm) (large adapter) in width. It is not recommended to mount

the fan from fabricated I-beams. Consult a structural engineer to ensure

your building structure meets the necessary requirements.

I-Beam Adapter

L-Brackets

L-brackets can be purchased for hanging the Isis from structural beams,

such as wooden beams. Slots in the brackets allow for solid beams

with thicknesses ranging from 4” (10.2 cm) to 9” (22.9 cm). Consult a

structural engineer to ensure your building structure meets the necessary

requirements.

Z-Purlin Brackets

Specialized brackets can be purchased for hanging the Isis from building

structures consisting of Z-purlins with lengths ≤30 ft and heights ranging

from 8” (20.3 cm) to 10” (25.4 cm), and spaced ≤5 ft apart. Consult a

structural engineer to ensure your building structure meets the necessary

requirements. Note: Angle irons are not supplied.

Pre-Installation (cont.)