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5.3 DC Wire Assembly and Connection
1.
PV modules of the connected strings must be of: the same time, identical
alignment and tilting angle.
2.
Before commissioning and connecting the PV arrays, the DC switch MUST
be open.
3.
Parallel strings must have the same number of modules.
4.
It is mandatory to use the DC connectors within package for the
connection of PV arrays.
5.
The polarity of the PV arrays MUST be compatible to the DC connectors of
the inverter.
6.
The DC input voltage AND DC input current of the PV array MUST never
exceed the maximum input allowance of the inverter.
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5.4 Residual Current Protection
This product is equipped with residual current protection device
internally, in accordance with IEC 60364-7-712. An external residual current
protection device is not needed.
If the local regulation demands otherwise, it is recommended to install a
30mA Type B residual current protection device.
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