Srne SR-LG Series, User Manual, Page: 10 / 14

8. Controller status
State
Always off Always on twinkle Slow twinkle fast
PV array
instruction
Night Daytime In charging
System over
voltage
Load
instruction
Load off Load on Overload Short circuit
9. System voltage alternative
Before setting, please kindly check the system voltage. This controller support 12/24/36/48V
system. Please choose the voltage before use.
System voltage Dial switch state Description
12v Down Down The right and left gear both turn to
Downward.
24V Down Up Turn the left gear to Downward, Turn
the right gear to Upward. .
36V Up Down Turn the left gear to Upward, Turn
the right gear to Downward
48V Up Up The right and left gear both turn to
Upward.
Please setting firstly before running the system.
10. System protection function description
10.1
、
Over temperature protection
Controller temperature exceed 90
℃
will close the load and charging efficiency will decrease.
Led Light
PV working indicator
Load working indicator