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Instruction of Solar Charge

Controller

User’s Manual

12V/24V 10A/20A

Dear Users:

Thank you for selecting our product. Please read this

manual carefully before you use this product.

Содержание LD2420C

Страница 1: ...0 Instruction of Solar Charge Controller User s Manual 12V 24V 10A 20A Dear Users Thank you for selecting our product Please read this manual carefully before you use this product ...

Страница 2: ...c Identification System Voltage 12V 24V auto recognition Humanized LCD displaying and double button operation of man machine interface Completed technical data for setup and modify High efficiency intelligent PWM 3stage charging The load control mode can be selected the timer function can be reset for street light at night Reliable over voltage protection short circuit protection over load protect...

Страница 3: ... controller in the room If installed the controller outside please keep the environment dry avoid direct sunlight The controller will be hot in process of working please keep the environment ventilation away from flammable The open circuit voltage of solar panel is too high especially 24V system please take care The battery has acidic electrolysis please put on goggles during installation If you a...

Страница 4: ...onment to adjust the voltage of charging so that the controller should be closed to battery as near as possible Recommend system current density of cables less than 3A mm2 Try to use multi strand copper wire in order to connecting with the terminal firmly Loose power connection and or corroded wires may result in resistive connections that melt wire insulation burn surrounding materials or even ca...

Страница 5: ...voltage this graphic symbol will be light 2 The default daytime display of controller When the solar panel input voltage have been detected by controller more than sensor identification point voltage this graphic symbol will be light 3 The indicator of PV array parameter When the solar panels data was displaying this graphic symbol will be light For example the voltage of solar panel ...

Страница 6: ...as displaying this graphic symbol will be light 6 System Voltage When the LCD shows different system voltage the controller will adjust the technical data automatically 7 Numerical Display Area 8 Timer Setting Function 9 Switch Graphic Symbol 10 Unit Symbol Value 11 Warning When there is fault this graphic symbol will be light 12 The indicator of Load status Load on Load off 13 The indicator of Ou...

Страница 7: ...rging no display Controller Fixed 1 The controller should be installed well ventilated place avoid direct sunlight high temperature and do not install in location where water can enter the controller 2 Please select correct screw to fix the controller on the wall or other platform Screw M4 or M5 Screw cap diameter less than 10mm 3 Please reserve enough space between the wall and controller to allo...

Страница 8: ...ls at first 2 The following order of connection please do not free change or cause system voltage recognition fault 3 As figure first connected the battery to controller correct poles In order to avoid short circuit please screw the cable of battery to the controller in advance then connected to battery poles secondly If your ...

Страница 9: ... and controller as shorter as possible Suggest to 30CM 100CM If short circuit happened on the terminals of controller it will be result in fire or explode Please be careful We strongly suggest to connecting a fuse at the battery side 1 5time of rated current of controller If the battery reverse connection the output of controller also same with battery polarity please do ...

Страница 10: ...e high voltage can cause injury or destroy controller As figure connected loads with controller correctly In order to avoiding injury from load voltage please close to the output of controller with button at first then connected the load on the controller The controller do not offer reverse connection protection for load so please take care reverse connection for load will be destroy bulb About gr...

Страница 11: ...le solar system they are negative ground connected at this time please do not positive connected or can cause short circuit Main interface The controller will have 1s initialization interface after electrified then go into main interface If no operation at main interface inner 20s the main interface will be auto exchange during voltage of battery voltage of solar panel temperature of environment e...

Страница 12: ...e than 5s at main interface it will speed auto exchange Loose button will stop speed Press under main interface could open or close the load output Press button could join into next menu under main interface ...

Страница 13: ...arameter is High Voltage Disconnection HVD voltage Boost state voltage will be increase 0 6V base on HVD The controller will be started PWM function at this point HVD limited voltage rising Press join in float voltage menu Long press ...

Страница 14: ...y back to main interface b Low Voltage Reconnection Voltage LVR When the voltage of battery is low the control will stop offer power to the load If the controller needs reconnected the output the voltage of battery must be higher than LVD voltage or press button force to release The procedure is same with a c Low Voltage Disconnection Voltage When the voltage of battery is low the load output will...

Страница 15: ... a Above a b c three parameter default data was fully considered by designer according to the actual use Generally users don t need to adjust Please must be refer to battery supplier s suggestion or the battery will be damaged or irreparable destroy d Load Working Mode Selection The control default load working 24hours When the Load Working Time set to 24hours the load will keep working 24hours in...

Страница 16: ...al night time the load output will be closed at sunrise although the working time is not reach to setting hours For example the local actual night time is 10hours user reset the working time at night is 12hours but 10hours later the output will be closed automatically the balance hours will be back to zero The load will be working with next sunset signal e System Voltage Select This parameter desi...

Страница 17: ...t data will be working after reconnection If the system voltage is set to 2 the controller will be work under 24V version forever The battery voltage is not valid The reset data will be working after reconnection Protection Function Battery Low Voltage Protection LVD When the battery voltage less than 11V the LVD protection started The output cut off at the same time the battery symbol and warning...

Страница 18: ...sh When the voltage of battery was decreased to 15V the protection will be release The output of the load is back Load Over Current Protection When the load is short circuit or overload the output cut off at the same time the load symbol and warning flash Please confirm if there is short circuit on the load terminal decrease the power of the load 30s later the controller will be auto restart with ...

Страница 19: ...ol will be flash and the voltage of battery has been limited Common Fault and Handling Fault Phenomen on Possible Reason Solution LCD no display after connected with battery Battery Low Battery Reverse Connection The connection cut off Please confirm the voltage of battery reconnect the controller with battery firmly and correctly ...

Страница 20: ...arging capacity more than charging The controller displaying HVD The voltage of battery is high Please first cut off the solar panel and see if the voltage get down normal level If the fault do not finish please cut off the battery with controller and reconnect again The controller displaying Over Current Protection The load is short circuit or over load or high surge power Please check the load c...

Страница 21: ...than 12Vstart boost charging 2 hours Battery Over Voltage Protection 16 5V 2 24V ReverseConnection Protection yes Load Over Current Protection Yes each two minutes restart once Charge Type PWM Temperature Compensation 24 mV for 12V system 2 24V Working Temperature 20 55 Terminal Scale 28 10 AWG Waterproof grade IP32 Size 168 mm 92 mm 41 5mm Netweight 320g Subject to change without notice Version 2...

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