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NOTE: Mind the recommendations of your battery manufacturer. We strongly recommend
connecting a fuse directly to the battery to protect any short circuit in the battery wiring. The
fuse must at least take the MPPT nominal current or more.
Suggestion: Use a slow acting 40A fuse.
Grounding the Solar System
Starting up the Controller
As soon as the MPPT is connected to the battery voltage, it starts operating and shows the yellow
LED. When solar voltage is applied, it will activate the green LED and start charging the battery.
NOTE: There may not be an immediate change in the LED lights !
If the controller has gone into sleep mode, it may take up to one minute to activate.
Open the cover at the battery side. Connect the wires leading to
the battery with the correct polarity. To avoid any voltage from
the wires, first connect the MPPT and then the battery. Mind the
recommended wire length (min 30cm to max approx. 100cm) and
the wire size:
10 mm
to 16 mm
: max. 1 m
2
2
25 mm
to 35 mm
: max. 2 m
2
2
Close the cover of the battery side.
Be aware that the negative terminals of the MPPT are connected
internally and therefore have the same electrical potential. If
any grounding is required, always do this on the negative wires.
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