FX Rail-Less Engineering

FX Engineering & Design Guide
IRONRIDGE CONFIDENTIAL
Page 2 of 21
Contents
1.0 OVERVIEW OF FX SYSTEM ................................................................................................ 3
2.0 DEFINE SITE CONDITIONS & MODULE BEING USED .................................................. 3
2.1 Environmental Considerations .............................................................................................. 3
2.2 Roof Considerations.............................................................................................................. 4
2.3 Module Compatibility ........................................................................................................... 4
2.4 Predesign Worksheet ............................................................................................................ 5
3.0 DESIGN .................................................................................................................................... 6
3.1 Define Roof Zones (RZ) ....................................................................................................... 6
3.2 Determine Maximum Allowable Spans & Cantilevers ........................................................ 7
3.3 Layout Modules on Roof ...................................................................................................... 7
3.4 Place Mounts ......................................................................................................................... 8
3.5 Bridge Placement ................................................................................................................ 12
3.7 Electrical Grounding ........................................................................................................... 15
3.8 Generate Bill of Materials (BOM) ...................................................................................... 16
4.0 Example Arrays ...................................................................................................................... 16
5.0 Optimizing Designs ................................................................................................................ 21
5.1 Landscape is superior to Portrait......................................................................................... 21
5.2 Optimizing Components ..................................................................................................... 21
5.3 Trim Can Be Omitted as Desired ........................................................................................ 21