7
Home-run cable
Prohibited Routing
PV modules
Solar
inverter
Note: The figure
shows only the
output (OUT)
cables.
Solar inverter
PV modules
Home-run cable
Home-run cable
Home-run cable
Home-run cable
Minimized
spacing
Required Routing
4. Connect cables between the PV string and the solar inverter.
To ensure reliable communication between the inverter and optimizers, the AC and DC power
cables must be routed in different troughs or pipes with a minimum of 10 cm spacing in
between.
For details about how to configure PV strings with optimizers connected to the inverter, see
section 2.3 "Configuration Principles" in the user manual. Incorrect configurations may cause
serious consequences.
To reduce EMC impact, route the home-run cable next to the cables between the PV modules
(keeping the positive and negative cables close to one another or twisting them together) as
shown in the following figure for either a single string installation or a multi-string
installation.
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