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• Before installing, operating, and maintaining the equipment, always disconnect it from all power.
• Do not connect the BACKUP connector to the GRID terminal of the inverter.
• It is not recommended to connect loads with high starting power to BACKUP terminal, such as vacuum
cleaner, air conditioner, etc.
2
6
1
×1
A8
3
70-75mm
12-16mm
10-12
mm
12-16
mm
16-21
mm
4
L3 N
L1
L2
PE
5
A8
GRID Terminal
GRID Connector
GRID Terminal
Remove protective cap
A8
21
3
64
L3 N
L1
L2
PE
5
BACKUP Terminal
BACKUP Connector
BACKUP Terminal
×1
A9
A9
70-75mm
12-16mm
10-12
mm
12-16
mm
16-21
mm
Remove protective cap
A9
Connecting
BACKUP Cables
L1
L1
· a-phase line 1
L2
· b-phase line 2
L3
· c-phase line 3
N
· Neutral wire
PE
· Ground wire
L3 N
PEL2
• RCD with rated residual operating current of 100 mA（AC-GRID（and 30mA (AC-BACKUP) would
be recommended if there is additional protection by RCD shall be provided for local electrical
installation, while the use of an RCD with lower rated residual operating current is also permitted if it
is required by the specific local electrical codes.
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