KC3 PV Charge Controller Instruction Manual
11
One year warranty.
Guarantee is not working if the Damage caused by shipping, improper operation or any other
man-made behavior.
Professional lightning protection is additionally needed if KC5 used under where lightning often
happens, and no guarantee is available in this case.
Note:
TVS lightning protection is the last necessary protection only.
7
．
Malfunction & Troubleshooting:
Malfunction Troubleshooting:
Can not save the set data
Set data can not exceed to required one
Sunlight works, but voltage
of solar module indicates
“0”
Check the connection of the modules, and make sure right connection
for “+” and “-”
“Over volt” turns on, no
output
Check the connection of batteries.
“Low volt” turns on, no
output
Batteries have been discharged, will automatically return to work after a
certain charge
“Over load” turns on, no
output
Over load protection or short-circuit protection activated.
Remove additional loads, and press any button, system will re-work.
8
．
Parameters Sheet
Technical Parameters
KC3
Rated working voltage
DC12V / 24V
Rated Charge Current
40A
Non-load Current
＜
100mA
Final voltage for Quick
Charge
≤
14.4V / 28.8V
Float voltage
14.1V / 28.2V
Rated output current
40A