32
06 Electrical Connection
User Manual
V1.0-2023-10-30
NOTICE
•
Ensure that the grounding of BACK-UP is correctly and tightened. Otherwise, the BACK-UP
function may be abnormal in case of grid failure.
•
The following diagram is applicable to areas except Australia, New Zealand.
N and PE cables are separately wired in the Main Panel�
ON-GRID
BACK-UP
BAT
PV
Meter
E-BAR
E-BAR
L3
N
PE
BMS
CT1
CT2
CT3
L3
L1 L2 L3
N
N
PE
PE
L3
L2
L2
L1
L1
N
PE
L3
L2
L2
L1
L1
N
PE
N
PE
or
BACK-UP
Loads
Smart
Meter
Utility grid
Normal loads
Battery
PV string
RCD
RCD
Inverter
Main panel
• In Germany, the internal relay will automatically connect the N wire and PE cable
in back-up mode within 100ms and automatically disconnect in on-grid mode.
• In areas other than Germany, the internal relay is disconnected by default in either
mode.
