SUNFLX SEI-8K-SP - Page 2

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Table of Contents
1. Safety .............................................................................................................................................. 4
1.1、 How to use this manual................................................................................................................................4
1.2、Symbols in this manual..................................................................................................................................4
1.3、Safety instructions............................................................................................................................................4
2. Production Instructions ............................................................................................................... 5
2.1、Instructions......................................................................................................................................................... 5
2.2、Features................................................................................................................................................................5
2.3、System connection diagram........................................................................................................................ 6
2.4、Production Overview.......................................................................................................................................7
2.5、Dimension drawing......................................................................................................................................... 8
3. Installation ......................................................................................................................................9
3.1、Select the mount location.............................................................................................................................9
3.2、Mount the inverter........................................................................................................................................ 10
4. Connection ................................................................................................................................... 11
4.1、Single-phase output.....................................................................................................................................11
4.2、Cable & circuit breaker requirement......................................................................................................13
4.3、GRID & LOAD & GEN connection...........................................................................................................15
4.4、Battery Connection....................................................................................................................................... 15
4.5、PV connection.................................................................................................................................................16
4.6、Dry contact connection............................................................................................................................... 17
4.7、Grounding connection.................................................................................................................................17
4.8、Final assembly.................................................................................................................................................18
4.9、Start up the inverter......................................................................................................................................18
4.9.1 Introduction.....................................................................................................................................................18
4.9.2 Precautions for connecting the parallel connecting lines............................................................. 18
4.9.3 Schematic diagram of parallel connection in single phase.......................................................... 19
4.9.4 Schematic diagram of parallel connection in three phase...........................................................22
5. Operation ......................................................................................................................................27
5.1、Operation and display panel.....................................................................................................................27
5.2、Setting................................................................................................................................................................30
5.3、Output priority................................................................................................................................................35
5.4、Battery charging mode................................................................................................................................36
5.5、Time-slot charging/discharging function.............................................................................................37
5.6、 Battery parameter.........................................................................................................................................38
6. Communication ...........................................................................................................................40