Hardware; Parts - Bigass 4900 Manuel D'installation

Hardware

Fan hardware for hanging the fan and airfoils is provided on hardware boards. Verify you have all of the following
required hardware before beginning the installation process. If you are missing any piece required for installation,
contact Big Ass Fans Customer Service. Note: No hardware substitutions are acceptable.
Mounting Hardware Board
Upper Mount Hardware
• (4) 1/2-13 x 2" GR 8 Bolts
• (8) 1/2" Flat Washers
• (4) 1/2-13 Nylock Nuts
Safety Cable Shackle
Main Fan Unit, Airfoil, & Winglet Hardware Boards
Main Fan Unit Hardware
• (4) 1/2-13 x 1-3/4" GR 8 Bolts
• (8) 1/2" Flat Washers
• (4) 1/2-13 Nylock Nuts
1. Square washers are included and are only used if you are mounting the fan to angle irons. The number of square washers used depends on the number of angle irons used.

Parts

Check that the fan boxes have all the parts before beginning installation. If you ordered multiple fans, be sure
to keep the components of each fan together. The fans each have differently rated components that are not
interchangeable. Note: Illustrations are not to scale.
(2) Beam Clip
(2) Spacer
(6) Airfoils
Main Fan Unit
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1
Extension Tube Hardware
• (2) 1/2-13 x 4-1/2" GR 8 Bolts
• (4) 1/2" Flat Washers
• (2) 1/2-13 Nylock Nuts
Airfoil Hardware
• (12) 5/16-18 x 2" GR 8 Bolts
• (24) 5/16" Flat Washers
• (12) 5/16-18 Nylock Nuts
Upper Mount
(6) Winglets
Extension Tube & Safety Cable
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Lower Yoke Variable Frequency
(6) Airfoil Retainers
1. The VFD includes a 10-ft (3 m) pre-attached AC supply cord. An Electronic
Programming Module (EPM) is installed in the VFD.
2. The fire relay is required for fans that will be installed in buildings that have
a fire sprinkler system. See the Wiring Diagrams & Electrical Guidelines
section for fire relay wiring details.
3. The fan includes a pre-attached motor cord.
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4. The safety cable is attached to the extension tube.
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Lower Yoke Hardware
• (2) 1/2-13 x 4-1/2" GR 8 Bolts
• (4) 1/2" Flat Washers
• (2) 1/2-13 Nylock Nuts
Winglet Hardware
• (6) 10-24 x 1/2" Bolts
• (6) 10-24 x 3/4" Barrels
Drive (VFD)
1
Fire Relay 2
3