Installation Guide
CONTENTS
Introduction
Safety Instructions ..........................................................................................................ii
About Big Ass Solutions .............................................................................................. iv
Technical Specifications
Technical Specifications ................................................................................................1
Before Installing Your Fan
Tools .................................................................................................................................. 2
Power Supply Guidelines ............................................................................................ 2
Power Wiring Guidelines ............................................................................................. 2
Hardware ..........................................................................................................................3
Parts ...................................................................................................................................3
Fan Diagram
Fan Diagram ....................................................................................................................4
Where to Install Your
Fan
Clearance Guidelines ................................................................................................... 5
Clearance from HVAC Equipment and Radiant Heaters .................................... 6
Understanding Airflow Patterns .................................................................................7
Installation
Overview ......................................................................................................................... 9
1a. Prepare the I-Beam ...............................................................................................10
1b. Prepare the Bar Joists...........................................................................................11
2. Directly Mount Main Fan Unit to Angle Irons .................................................14
3a. Attach Upper Mount to I-Beam ..........................................................................15
3b. Attach Upper Mount to Angle Irons .................................................................16
4. Attach the Extension Tube .................................................................................. 17
5. Secure the Safety Cable ..................................................................................... 17
6. Attach Lower Yoke ................................................................................................18
7. Attach Main Fan Unit ............................................................................................18
8. Confirm Orientation .............................................................................................. 18
9. Mount the Variable Frequency Drive (VFD) ...................................................19
10. Wire the Fan and VFD .........................................................................................20
11. Install the Airfoils ..................................................................................................20
Wiring Diagrams &
Electrical Guidelines
Electrical Safety Instructions .....................................................................................21
VFD Wiring: 100–125 V, 1 Ф ......................................................................................22
VFD Wiring: ESFR (Early Suppression Fast Response) ..................................... 23
Operating the Fan
Starting and Stopping the Fan .................................................................................24
Adjusting Fan Speed ..................................................................................................24
Reversing Direction of Fan Rotation ......................................................................24
Heating Season & Cooling Season ........................................................................25
Preventive
Maintenance
Annual Preventive Maintenance .............................................................................26
General Preventive Maintenance ...........................................................................26
Annual Maintenance Checklist ................................................................................ 27
Troubleshooting
General Troubleshooting ..........................................................................................29
Troubleshooting the VFD .......................................................................................... 30
Warranty
Warranty Policy ............................................................................................................35
Warranty Return Instructions .................................................................................... 39
Warranty Claim Form Instructions ...........................................................................40
Warranty Claim Form ................................................................................................... 41
Responsibility Agreement .........................................................................................42