External Terminal Illustration - KEHUA TECH SPI-B X2 Series User Manual

PV Grid-tied Inverter SPI-B X2 Series (8K-25K)
User Manual

2.2.2 External Terminal Illustration

The external terminals are all located at the bottom of the inverter, including battery input, PV input,
AC output, DC switch and communication interface, etc. as shown in Figure2-5.
Figure2-5 Bottom layout
Table2-2 Bottom layout illustration
NO. Mark
○
1
B+/B-
○
2
DC SWITCH
○
3
PV+/PV-
○
4
COM.
○
5
WIFI/4G
○
6
AC OUTPUT
○
7
SPI8K-B X2, SPI10K-B X2 and SPI12K-B X2 have no external fan. This document takes SPI23K-B X2
as an example, for details please see the actual product.
DC Switch
The DC switch (as shown in the
Name
Energy storage interface
DC switch
PV string terminal
DRM (optional) /RS485 interface
WIFI /4G (optional) interface
AC output wiring hole
External grounding terminal
○
2 of Figure2-5) connects inverter with the PV string.
9
Remarks
Connect battery.
DC switch connects inverter with the
PV string.
Connect the PV string.
Connect the DRM/RS485 wire.
Connect the WIFI/4G stick.
Connect the AC output wire.
Connect the external grounding wire.
2 Overview