5.7 System Connection
HS2 Series
The system connection in Germany, Australia and New Zealand is as below, the neutral cable of AC and
backup side must be connected together for the safety reason.
Note: DO NOT connect the PE terminal of BACKUP side.
The system connection for grid system without special requirements is as below.
Note：The backup PE line and earthing bar must be grounded properly. Otherwise, backup function may be
inactive during blackout.
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