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 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
When the communication function is not selected, the corresponding port is blocked with a waterproof
plug.
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Name
Energy storage interface (reserved)
DC switch
PV string terminal
DRM (optional) /RS485 interface
WIFI (optional) /4G interface
AC output wiring hole
External grounding terminal
Tech Co., Ltd.
2 Overview
Remarks
Connect battery.
DC switch connects inverter with
PV string.
Connect PV string.
Connect DRM/RS485 wire.
Connect WIFI/4G stick.
Connect AC output wire.
Connect external grounding wire.
9