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34
Connecting the DC Strings to the Inverter
Unit.We recommend using the SolarEdge combiner box. For installation and connection
instructions see:
https://www.solaredge.com/sites/default/files/se-combiner-box-
installation-guide-aus.pdf
NOTE
Functional electrical earthing of DC-side negative or positive poles is
prohibited because the inverter has no transformer. Grounding (earth ground)
of module frames and mounting equipment of the PV arraystring modules is
acceptable.
NOTE
SolarEdge fixed input voltage architecture enables the parallel arraysstrings to
be of different lengths. Therefore, they do not need to have the same number
of Power Optimisers, as long as the length of each string is within the
permitted range.
To connect to DC strings:
1. Strip 8 mm of the DC wires insulation.
2. Pass the DC wires through the DC conduit.
3. Connect the wires to the DC terminals as shown below. Observe the correct polarity
as labeled on the terminals.
Figure 12: Inverter DC Connections
SolarEdge Home Hub Inverter Single Phase MAN-01-00812-1.5
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