FlexMax FM100 AFCI Installation
900-0253-01-00 Rev A 3
Table of Contents
IMPORTANT SAFETY INSTRUCTIONS ........................................................................ 6
Symbols Used ........................................................................................................................................... 6
General Safety .......................................................................................................................................... 6
Introduction ................................................................................................................... 7
Audience ................................................................................................................................................... 7
Features .................................................................................................................................................... 7
Firmware ................................................................................................................................................... 7
Components and Accessories .................................................................................................................. 8
Battery Types ....................................................................................................................................... 8
Installation ..................................................................................................................... 9
Standards and Requirements ................................................................................................................... 9
Dimensions and Clearances ................................................................................................................ 9
Clearance requirements (minimum) ................................................................................................. 9
Installation ............................................................................................................................................... 10
Mounting the Charge Controller ......................................................................................................... 10
Keyhole Slot Mount ........................................................................................................................ 10
Bracket Mount ................................................................................................................................ 11
Wiring ...................................................................................................................................................... 12
Grounding ........................................................................................................................................... 12
Negative-Ground Systems ............................................................................................................. 12
Positive-Ground Systems .............................................................................................................. 13
Ground Fault Detection and Interruption (GFDI) ........................................................................... 13
External GFDI ............................................................................................................................ 14
Wiring Size and Requirements ........................................................................................................... 15
Circuit Breaker Size and Requirements ............................................................................................. 15
Physical Requirements and Conduit .................................................................................................. 16
PV and Battery Terminals .................................................................................................................. 16
Accessory Terminals and Ports .......................................................................................................... 17
Reset Button .................................................................................................................................. 17
HUB Port ........................................................................................................................................ 17
Device and LAN Ports .................................................................................................................... 17
Remote Temperature Sensor Port ................................................................................................. 17
SD Card ......................................................................................................................................... 18
Fan Connector ............................................................................................................................... 18
Accessory Terminal Block .............................................................................................................. 18
Rapid Shutdown Terminals ........................................................................................................ 18
AUX Terminals ........................................................................................................................... 19
Battery Sense Terminals ........................................................................................................... 20
Arc Fault Circuit Interruption .......................................................................................................... 21
Wiring Diagrams ................................................................................................................................. 22
Wiring the Rapid Shutdown Terminals ........................................................................................... 24
Integration of FM100 and Third-Party Module-Level Rapid Shutdown Products ...................... 26
Power Up ................................................................................................................................................ 27
Setting the Nominal Voltage ............................................................................................................... 27
Initial Operation .................................................................................................................................. 28
Resetting to Factory Defaults ............................................................................................................. 28