Komaes KC3 Instruction Manual Download Page 12

           

KC3 PV Charge Controller Instruction Manual 

 

 

12

Overload, short circuit 

protection 

Load Protection activated 60 seconds after the current is 1.2 

times more than rate one. 

Load Protection activated at once when the current 1.5 times 

more than rate one. 

Low voltage alarm 

  11.4V  /  22.8V 

Overdischarge(Low volt)   

protection voltage 

  10.8V  /  21.6V 

Overdischarge(Low volt)   

recovery voltage

 

≥  

13.4V  /  26.8V 

Over voltage alarm

 

≥  

15.0V  /  30.0V 

Overvoltage protection

 

≥  

15.50V  /  31.0V 

Overvoltage recovery 

  14.4V  /  28.8V 

Working temperature 

-20

℃~

+50

 

Temperature 

compensation 

-3.9 mV/

 

Over temperature 

protection

 

≥ 

75

 

Over temperature 

Recovery 

 65

 

 

Summary of Contents for KC3

Page 1: ...ts under different working conditions 1 6 Protection for Batteries Overcharge Overdischarge Low volt Protection for Overload Short Circuit Protection for Reverse Polarity of solar modules Protection f...

Page 2: ...de of batteries anode of loads cathode of loads Cables Selections according to Current of Loads Selected cables to connect batteries are better shorter thicker to prevent power loss Note KC3 is design...

Page 3: ...agement 4 Control modes are optional Time shall be reset when controller re connected with power Light Switch Mode Default Mode Under this mode it will activate voltage when Light gets lower to the se...

Page 4: ...s from Initial Impact Current Efficient PWM begins to charge after a certain charge from the battery and turns to Voltage Limit Charge when goes into the limited line Float Charge begins and keeps its...

Page 5: ...high charging voltage Overdischarge Low volt Protection Low volt flashes when the batteries voltage is too low it will stop flashing to turn to red if voltage keeps down to the Protection Line and lo...

Page 6: ...fault mode when electrified Data on LCD under Working Status All the data Working Mode Switch Status Input DC Voltage of Solar Modules Input DC Current of Solar Modules Input Power of Solar Modules Ba...

Page 7: ...TIME Current Time HH MM SS 00 00 0 0 hour minute second For time checking 2 Ibat max Maximum Battery charging current A XX X 40 0 Set within 5 0A 40 0A 3 Vbat max Allowed Maximum Battery Charging Curr...

Page 8: ...to pause charging when battery voltage exceeds to this set voltage Re charging starts at a low current when the battery voltage is back to charging voltage 4 No 4 is set to disconnect the load when th...

Page 9: ...ormal status 4 buttons on KC3 setting button next up increase down reduce setting button Under normal status when LCD shows the working status press and hold 5 seconds setting button to enter the sett...

Page 10: ...he cursor is located on working mode selection press up increase 4 modes will be shown orderly as PV PV TIME TIME MANUAL Under normal status press down reduce LCD turns over to next page When KC3 unde...

Page 11: ...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...

Page 12: ...when the current 1 5 times more than rate one Low voltage alarm 11 4V 22 8V Overdischarge Low volt protection voltage 10 8V 21 6V Overdischarge Low volt recovery voltage 13 4V 26 8V Over voltage alar...

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