Installation Guide

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BIG ASS FAN 4900
Contents
Introduction
Safety Instructions ii
Thank You 1
About Big Ass Fans 1
Pre-Installation
About this Fan 2
Parts Included 3
Tools Needed 4
Fan Diagram 5
Preparing the Work Site 6
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Mounting Structure:
Bar Joists
1. Select Proper Angle Irons 9
2. Pre-drill Angle Irons 10
3. Fasten Angle Irons Together (if span is longer than 8 ft) 10
4a. Fasten Single Angle Irons to Roof Structure Mounting Points 11
4b. Fasten Double Angle Irons to Roof Structure Mounting Points 12
5a. Direct Mount Main Fan Unit (to Angle Irons) 13
5b. Attach Upper Yoke (to Angle Irons) 14
Mounting Structure:
I-Beam
1. Measure I-Beam Width 15
2. Attach Upper Yoke (to I-Beam) 16
Hanging the Fan
1. Attach Extension Tube (to Upper Yoke) 17
2. Secure Safety Cable 17
3. Attach Lower Yoke (to Extension Tube) 18
4. Attach Main Fan Unit (to Lower Yoke) 18
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Installing Airfoils
1. Attach Winglets to Airfoils 19
2. Attach Airfoils to Hub 19
Electrical Installation
Electrical Installation Safety 20
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Controller Storage 21
Power Requirements for Big Ass Fans Fan Controllers 21
Mounting the Wall Controller 21
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Wiring: ESFR (Early Suppression Fast Response) 23
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Operating the Fan
Heating Season 25
Cooling Season 25
Preventive
Maintenance
Annual Preventive Maintenance 26
General Preventive Maintenance 26
Annual Maintenance Checklist 27
Troubleshooting
General Troubleshooting 29
Troubleshooting the Fan Controller 30
Warranty
Warranty Policy 33
Warranty Return Instructions 37
Warranty Claim Form Instructions 38
Warranty Claim Form 39
Responsibility Agreement 40