4. Electrical Connection
Be aware of electric shock and chemical hazards!
Use a multi-meter to check the DC polarity before connecting the DC power cable between battery & ME3000SP.
It’s recommended to install a rotary DC isolator (100A) between ME3000SP and batteries. Thus, ME3000SP can
be securely disconnected during installation/maintenance.
It’s necessary to install a AC circuit breaker (25A) between ME3000SP and electrical grid.
It is very important for system safety and efficient operation to use appropriate cable for electrical connection.
Battery connection: AWG8 or AWG6 cable.
Grid & Load connection: AWG12 cable.
Make sure N wire is connected to PE wire while EPS (Emergency Power Supply) mode is enabled.
Fig. 5 Wiring Schematic of Single Phase System
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