Grounding the Solar System
Be aware that the positive terminals of the controller are connected
internally and therefore have the same electrical potential. If any
grounding is required, always do this on the positive wires.
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REMARK: If the device is used in a vehicle which has the battery
negative on the chassis, loads connected to the regulator must
not have an electric connection to the car body. Otherwise the
Low Voltage Disconnect function and the electronic fuse function
of the controller are short circuited.