SAJ H2 - Page 4

H2 series
2
4.1. Precautions ................................................................................................................................................................................................. 22
4.2. Check the system topology diagram ................................................................................................................................................... 22
4.3. Determine the installation site ............................................................................................................................................................... 24
4.3.1. Installation environment requirements........................................................................................................................................ 24
4.3.2. Installation location requirements ................................................................................................................................................ 24
4.4. Prepare installation tools ......................................................................................................................................................................... 26
4.5. Unpacking ................................................................................................................................................................................................... 27
4.5.1. Check the outer packing ................................................................................................................................................................. 27
4.5.2. Check the package contents .......................................................................................................................................................... 27
4.6. Install the inverter ..................................................................................................................................................................................... 28
4.7. Install the battery ...................................................................................................................................................................................... 31
5. Electrical Connection ................................................................................................................................................................................................................... 33
5.1. Safety instructions .................................................................................................................................................................................... 34
5.2. Connect the grounding cable ................................................................................................................................................................ 34
5.3. Open the junction box of the inverter ................................................................................................................................................. 36
5.4. Assemble the AC-side electrical connection.................................................................................................................................... 388
5.5. Connect the battery to the Inverter ..................................................................................................................................................... 42
5.6. Assemble the PV-side electrical connection...................................................................................................................................... 43
5.7. Assemble the communication connection ......................................................................................................................................... 46
5.7.1. Install the communication module ............................................................................................................................................... 46
5.7.2. Connect the communication cable ............................................................................................................................................... 48
5.8. Connect the CTs ......................................................................................................................................................................................... 49
5.9. Install an external rapid shutdown switch .......................................................................................................................................... 50
5.10. Close the junction box of the inverter ................................................................................................................................................. 51
5.11. Install an RSD (optional) .......................................................................................................................................................................... 52
5.12. Connect the smart meter ........................................................................................................................................................................ 53
5.13. System connection overview ................................................................................................................................................................. 54
5.13.1. Connection structure ............................................................................................................................................................................... 54
5.13.2. Connection topology diagrams ............................................................................................................................................................. 55
6. Startup and Shutdown ................................................................................................................................................................................................................ 57