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Epsolar LS1024R Instruction Manual

Solar light controller
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EPSOLAR
LS1024R / LS1524R / LS2024R
——
Thank you very much for selecting our product!
This manual offers important information and
suggestions with respect to installation, use and
troubleshooting, etc. Please read this manual
carefully before using the product and pay attention
to the safety recommendations in it.
Solar Light Controller
INSTRUCTION
MANUAL
☆ Design patent NO.：
201130028317.3
☆ Utility model patent NO.：
201120064092.1

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Summary of Contents for Epsolar LS1024R

  • Page 1 ☆ Design patent NO.： EPSOLAR 201130028317.3 ☆ Utility model patent NO.： 201120064092.1 LS1024R / LS1524R / LS2024R —— Solar Light Controller INSTRUCTION MANUAL Thank you very much for selecting our product! This manual offers important information and suggestions with respect to installation, use and troubleshooting, etc.
  • Page 3 LandStar LS1024R / LS1524R / LS2024R —— Solar Light Controller Installation and Operation Manual Specification Summary Nominal system voltage 12 / 24VDC* Maximum PV input voltage Nominal charge / discharge current LS1024R LS1524R LS2024R * The controller will recognize the system rated voltage when start up. If the battery voltage is lower than 18V, it will recognize the system as 12V.

  • Page 4: Table Of Contents

    Contents 1 Important Safety Information ........1 2 General Information ...........2 2.1 Product Overview ..........2 2.2 Product Features ..........3 3 Installation Instructions ..........4 3.1 General Installation Notes ........4 3.2 Mounting .............4 3.3 Wiring ..............6 4 Operation ..............10 4.1 PWM Technology ..........10 4.2 Battery Charging Information ......10 4.3 LED Indicators ..........12 4.4 Setting Operation ..........14...

  • Page 5: Important Safety Information

    1 Important Safety Information Save These Instructions This manual contains important safety, installation and operating instructions. The following symbols are used throughout this manual to indicate potentially dangerous conditions or mark important safety instructions， please take care when meeting these symbols. WARNING: Indicates a potentially dangerous condition.

  • Page 6: General Information

    2 General Information 2.1 Product Overview Thank you for selecting LandStar series solar light controller that adopts the most advanced digital technique and operates fully automatically. The Pulse Width Modulation (PWM) battery charging can greatly increase the lifetime of battery. It has various unique functions and quite easy to use, such as: 12/24V automatic recognition High efficient Series PWM charging, increase the battery lifetime and improve the solar system performance.

  • Page 7: Product Features

    2.2 Product Features Figure 2-1 Land Star characteristics 1 –Temperature Sensor Measure ambient temperature and make temperature compensation for charging and discharging. – Charging status LED indicator An LED indicator that shows charging status and also indicates when a solar input fault condition exists 3 –...

  • Page 8: Installation Instructions

    9 –Solar Module Terminals Connect solar modules. 10 –Battery Terminals Connect batteries. 11 –Load Terminals Connect loads. 3 Installation Instructions 3.1 General Installation Notes Read through the entire installation section first before beginning installation. Be very careful when working with batteries. Wear eye protection. Have fresh water available to wash and clean any contact with battery acid.
  • Page 9 WARNING: Risk of explosion! Never install the controller in a sealed enclose with flooded batteries! Do not install in a confined area where battery gassed can accumulate. Step 1: Choose Mounting Location Locate the controller on a vertical surface protected from direct sun, high temperature, and water.

  • Page 10: Wiring

    3.3 Wiring NOTE: A recommended connection order has been provided for maximum safety during installation. NOTE: The controller is a common positive ground controller. CAUTION: Donʼ t connect the loads with surge power exceeding the ratings of the controller. CAUTION: For mobile applications, be sure to secure all wiring.
  • Page 11 Before battery is connected, make sure that battery voltage is greater than 6V so as to start up the controller. If system is 24V, make sure battery voltage is not less than 18V. System voltage can only be automatically recognized when controller start up for the first time.
  • Page 12 Step 3: Solar wiring WARNING: Risk of electric shock! Exercise caution when handling solar wiring. The solar module(s) high voltage output can cause severe shock or injury. Cover the solar module(s) from the sun before installing solar wiring. The controller can accept12V, 24V nominal off-grid solar module(s). Grid-tie solar module(s) may be used if the open circuit voltage of solar module doesn’t exceed the Maximum PV input voltage of the controller.
  • Page 13 Step 4: Confirm Wiring Double-check the wiring in step1 through 3. Confirm correct polarity at each connection. Verify that all six terminals are tightened. Solar Module Load Fuse Fuse 150mm(5.9inches) Battery Figure 3-5 System wiring review Step 5: Install Fuse Install a suitable fuse in each fuse holder in the following order: 1.

  • Page 14: Operation

    4 Operation 4.1 PWM Technology (Series Pulse Width Modulation) The controller adopts the advanced series pulse width modulation. With range of 0-100%, it can charge the battery quickly and stably under any condition of solar photovoltaic system. The operating principle of PWM charging mode is as follows: The battery is firstly charged with pulse current and recharged after it stops charging for a while.
  • Page 15 · Float Charge After the battery is fully charged in Boost voltage stage, the controller reduces the battery voltage to Float voltage set point. When the battery is fully recharged, there will be no more chemical reactions and all the charge current transmits into heat and gas at this time.

  • Page 16: Led Indicators

    Certain types of batteries benefit from periodic equalizing charge, which can stir the electrolyte, balance battery voltage and complete chemical reaction. Equalizing charge increases the battery voltage, higher than the standard complement voltage, which gasifies the battery electrolyte. If the battery is being over discharged, the solar controller will automatically turn to equalize charging stage, and the equalize stage remain 120mins.
  • Page 17 Battery status indicator GREEN ON when battery voltage in normal range GREEN SLOWLY FLASHING when battery full ORANGE ON when battery under voltage RED ON when battery over discharged Please refer to section 5 for troubleshooting. Battery status LED indicator Table 4-2 Color Indicator...

  • Page 18: Setting Operation

    Setting Operation Dual timer function Timer1 Timer2 Light Midnight Number Number of hours of hours Light Sunset Sunrise The default night length is 10 hours.The controller can learn the night length refering to the previous night so as to adapt to the different seasons. However, it will take some time to learn it.
  • Page 19 4. ON/OFF mode This mode is to turn ON and OFF the load by manual.  Load Work Mode Setting Timer1 Setting indicator Load work mode LED digital tube Timer2 Setting indicator Battery type Setting Indicator Setting button Figure 4-3 Setting operation indicating Press the setting button once and setting indicators will be changed once among timer 1, timer2 and battery type.
  • Page 20 Load work mode Table 4-5 Timer1 Digital Enable Dusk to Dawn, Load will be on all night Load will be on for 1 hour after ten minutes delay since sunset Load will be on for 2 hours after ten minutes delay since sunset Load will be on for 3 hours after ten minutes delay since sunset Load will be on for 4 hours after ten minutes delay since sunset Load will be on for 5 hours after ten minutes delay since sunset...
  • Page 21 Load work mode Table 4-6 Timer2 LED Digital No. Enable Load will be on for 1 hour before sunrise Load will be on for 2 hours before sunrise Load will be on for 3 hours before sunrise Load will be on for 4 hours before sunrise Load will be on for 5 hours before sunrise Load will be on for 6 hours before sunrise Load will be on for 7 hours before sunrise...

  • Page 22: Protections, Troubleshooting And Maintenance

    5 Protection, Troubleshooting and Maintenance 5.1 Protection · PV Array Short Circuit If PV array short circuit occurs, clear it to resume normal operation. · Load Overload If the load current exceeds the maximum load current rating, the controller will disconnect the load. The greater the overload, the faster the load will be disconnected.

  • Page 23: Troubleshooting

    5.2 Troubleshooting Trouble Shooting Table 5-1 Faults Possible reasons Troubleshooting Charging LED Check that PV and battery indicator off during array wire connections daytime when disconnection correct and tight. sunshine falls on PV modules properly. Green charging LED Battery voltage Check if battery voltage indicator fast...
  • Page 24 Digital tube displays Over load or short Overload: Please reduce “L” with red slowly circuit the load and press the flashing button once, controller will resume to work after 3s; Short circuit: when the first short-circuit occurs, the controller will automatically resume to work after 10s;...

  • Page 25: Maintenance

    5.3 Maintenance The following inspections and maintenance tasks are recommended at least two times per year for best controller performance.  Check that the controller is securely mounted in a clean and dry environment.  Check that the air flow and ventilation around the controller is not blocked. Clear all dirt or fragments on the heat sink.

  • Page 26: Warranty

    6 Warranty The LandStar charge controller is warranted to be free from defects for a period of TWO (2) years from the date of shipment to the original end user. We will, at its option, repair or replace any such defective products. •...

  • Page 27: Technical Specifications

    7 Technical specifications Electrical Parameters Table 7-1 Description Parameter 12 / 24VDC Nominal System Voltage Auto work Battery Voltage Range 6-36V LS1024R Rated Battery Current LS1524R LS2024R ≤0.26V Charge Circuit Voltage Drop ≤0.15V Discharge Circuit Voltage Drop ≤6mA Self-consumption Threshold Voltage Parameters...
  • Page 28 (temperature at 25℃) Battery Voltage Parameters Table 7-4 Charging Parameters Battery charging Sealed Flooded setting Over Voltage Disconnect 16V; x2/24V 16V; x2/24V 16V; x2/24V Voltage Charging 15.5V;x2/24V 15.5V;x2/24V 15.5V;x2/24V Limit Voltage Equalize Charging ----- 14.6V;x2/24V 14.8V;x2/24V Voltage Boost Charging 14.2V;x2/24V 14.4V;x2/24V 14.6V;x2/24V Voltage...
  • Page 29 Environmental parameters Parameter -35℃ to +55℃ Working temperature -35℃to +80℃ Storage temperature Humidity 10%-90% NC Enclosure IP30 LS1024R Mechanical parameters Table 7-6 Mechanical Parameter Parameter Overall dimension 140(5.51)x65(2.56)x34(1.34) mm/inches Mounting dimension 130(5.12) x 45(1.77) mm/inches Φ4.5 Mounting hole size Terminal Net weight 0.15kg...
  • Page 30 140(5.51) 130(5.12) Figure1-1 LS1024R Dimensions 135(5.31) 144(5.67) Figure1-2 LS1524R & LS2024R Dimensions...
  • Page 31 BEIJING EPSOLAR TECHNOLOGY CO., LTD. Tel：010-82894112 / 82894962 Fax：010-82894882 E-mail：info@epsolarpv.com Website: www.epsolarpv.com...

This manual is also suitable for:

Ls1524rLs2024r

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