5.5 Wiring Specifications
Wiring and installation methods must comply with national and local electrical code/specifications.
The wiring specifications of the PV-system battery must be selected according to rated currents. Please check
following table for wiring specifications:
The indicated cable/wire sizes are for reference only. If longer runs between the PV array and the
controller or between the controller and the battery are required, larger capacity cables must be used
to reduce voltage drop and improve system performance.
5.6 Grounding
Be aware that the negative terminals of controller are interconnected and therefore bear the same
electrical potential. If any grounding is required, always do this on the negative wires/terminals.
CAUTION: For common-negative system, such as motorhome, it is recommended to use a
common-negative controller; but if in a common-negative system, some common-positive
equipment is used, and the positive pole is grounded, the controller may get damaged.
6.1 LED indicator
Solar LED
Battery LED
Load LED
Communication LED
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