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.
10
Grounding the Solar System
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.
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.
System Voltage
The MPPT adjusts itself automatically to 12V or 24V system voltage.
As soon as the voltage at the time of start-up exceeds 18.0V, the MPPT implies that it is a 24V system.
Display Functions
The MPPT is equipped with 3 LEDs.
EN
LED1 (Green):
LED2 (Yellow):
LED3 (Red):
ON-Charging; OFF-No charging
ON- MPPT is on;OFF- MPPT is off
ON-Failure;OFF-Normal operation
LED3
LED2
LED1
1 2 3 4 5 6 7 8
Address
Mode
1 2 3 4 5 6 7 8
Address
Mode
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