Warning: risk of electric shock! We strongly recommend that fuses or
breakers be connected at the photovoltaic array side, load side and battery side so as to
avoid electric shock during wiring operation or faulty operations, and make sure the
fuses and breakers are in open state before wiring.
Warning: danger of high voltage! Photovoltaic arrays may produce a very
high open-circuit voltage. Open the breaker or fuse before wiring, and be very careful
during the wiring process.
Warning: risk of explosion! Once the battery's positive and negative
terminals or leads that connect to the two terminals get short-circuited, a fire or
explosion will occur. Always be careful in operation.
First connect the battery, then the load, and finally the solar panel. When wiring, follow
the order of first "+" and then "-".
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4
Power on
After connecting all power wires solidly and reliably, check again whether wiring is
correct and if the positive and negative poles are reversely connected. After confirming
that no faults exist, first close the fuse or breaker of the battery, then see whether the
LED indicators light up and the LCD screen displays information. If the LCD screen
fails to display information, open the fuse or breaker immediately and recheck if all
connections are correctly done.
If the battery functions normally, connect the solar panel. If sunlight is intense enough,
the controller's charging indicator will light up or flash and begin to charge the battery.
After successfully connecting the battery and photovoltaic array, finally close the fuse or
breaker of the load, and then you can manually test whether the load can be normally
turned on and off. For details, refer to information about load working modes and
operations.
Warning: when the controller is in normal charging state, disconnecting the
battery will have some negative effect on the DC loads, and in extreme cases, the loads
may get damaged.
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