INSTRUCTION MANUAL
Contents
1. 10 4 3 LED Indicators 12 4 4 Setting 14 5 Protection Troubleshooting and Maintenance 15 SA Protect O conan 15 5 2 Troubleshooting 16 5 3 Maintenance 18 eea E 19 7 Technical 20 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 Use extreme caution when performing this task CAUTION Indicates a critical procedure for safe and proper operation of the controller NOTE Indicates a procedure or function that is important for the safe and proper operation of the controller General Safety Information Read all of the instructions and cautions in the manual before beginning installation There are no user serviceable parts inside the controller Do not disassemble or attempt to repair it Install external fuses breakers as required e Disconnect the solar module and fuse breakers near to battery before installing or adjusting the controller Do2. when handling solar wiring The solar module s high voltage output can cause severe shock or injury Be careful operation when installing solar wiring The controller can 12 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 The solar module s work voltage must be equal to or greater than the system voltage Solar Module 4 2 52 52 2 52 52 0 Figure 3 4 Solar wiring Step 4 Confirm Wiring Double check the wiring in step through 3 Confirm correct polarity at each connection Verify that all six terminals are tightened Solar Module 150mm 5 9inches MAX Figure 3 5 System wiring review Step 5 Confirm power on When battery power is applied and the controller starts up the battery LED indicator will be green If the controller doesn t start up or the battery status LED error exists please refer to section 5 for troubleshooting 4 Operation 4 1 PWM Technology Series Pulse Width Modulation The controller adopts the advanced series pulse width modulation PWM charging mode With range of 0 100 it can charge the battery quickly and stably under any condition of solar photovoltaic system PWM charging mode use automatic conversion duty ratio pulses current to charge the battery The battery can be fully charged safety and rapidly with the pulse curre
3. 2 1 34 130 5 12 140 5 51 Figurel 1 1 51024 Dimensions noui Figurel 2 1 51524 amp LS2024 Dimensions 01 89 45 1 77 75 8 2 98
4. not allow water to enter the controller Confirm that power connections are tightened to avoid excessive heating from loose connection 2 General Information 2 1 Product Overview Thank you for selecting LandStar series solar system 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 24 automatic recognition eHigh efficient Series PWM charging increase the battery lifetime and improve the solar system performance eUse MOSFET as electronic switch without any mechanical switch Gel Sealed and Flooded battery type option eAdopt temperature compensation correct the charging and discharging parameters automatically and improve the battery lifetime eElectronic protection Overheating over charging over discharging overload and short circuit eReverse protection any combination of solar module and battery The controller is for off grid solar system and protects the battery from being over charged by the solar module and over discharged by the loads The charging process has been optimized for long battery life and improved system performance The comprehensive self diagnostics and electronic protection functions can prevent damage from installation mistakes or system faults Though the controller is easy to operat
5. that all the terminals have no corrosion insulation damaged high temperature or burnt discolored sign tighten terminal screws to the suggested torque Inspect for dirt insects and corrosion and clear up e Check and confirm that lightning arrester is in good condition Replace a new one in time to avoid damaging of the controller and even other equipments Notes Dangerous with electric shock Make sure that all power source of controller is cut off when operate above processes and then make inspection or other operations 18 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 Claim procedure Before requesting warranty service check the Operation Manual to be certain that there is a problem with the controller Return the defective product to us with shipping charges prepaid if problem cannot be solved Provide proof of date and place of purchase To obtain rapid service under this warranty the returned products must include the model serial number and detailed reason for the failure the module type and size type of batteries and system loads This information is critical to a rapid disposition of your warranty claim This warranty does not apply under the following conditions 1 Damage by accident negligence abuse or imprope
6. EPSOLAR LS1024 LS1524 1 52024 Solar System 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 Please read this manual carefully before using the product and pay attention to the safety recommendations in it LandStar 1 51024 LS1524 LS2024 Solar System Controller Specification Summary Nominal system voltage 12 24VDC Maximum PV input voltage SOV Nominal charge discharge current LS1024 10A LS1524 15A LS2024 20A 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 If the battery voltage is greater than 18V it will recognize the system as 24 Contents 1 Important Safety Information 22 1 2 General Information a 2 2 1 Product Overview 2 2 Prod ct 3 3 Installation Instructions 4 3 1 General Installation Notes 222 22 4 22 Moutin ie s a AEO 4 6 A Opeta OM cc 10 4 1 PWM Technology 10 4 2 Battery Charging
7. V x2 24V Voltage Under Voltage Warning 12 2V x2 24V 12 2V x2 24V 12 2V x2 24V Reconnect Voltage Under Voltage Warning Voltage Low Voltage Disconnect 11 1V x2 24V 11 1V x2 24V 11 1V x2 24V Voltage Discharging Limit Voltage 15 5V x2 24V 15 5V x2 24V 15 5V x2 24V 13 2V x2 24V 13 2V x2 24V 13 2V x2 24V 12V x2 24V 12V x2 24V 12V x2 24V 10 8V x2 24V 10 8V x2 24V 10 8V x2 24V Equalize 2 hours 2 hours Duration Boost 2 hours 2 hours 2 hours Duration 21 Environmental parameters Table 7 4 Environmental parameters Parameter Working temperature 35 C to 55 C Storage temperature 35 Cto 80 C Humidity 10 90 NC Enclosure 0 LS1024 Mechanical parameters Table 7 5 Mechanical Parameter Parameter Overall dimension 140 5 51 65 2 56 34 1 34 mm inches Mounting dimension 130 5 12 x 45 1 77 mm inches Mounting hole size 04 5 Terminal 4mm Net weight 0 15kg LS1524 amp LS2024 Mechanical Parameters Table 7 6 Mechanical Parameter Parameter Overall dimension 144 5 67 x75 8 2 98 x45 1 77 mninches Mounting dimension 135 5 31 x55 2 16 mm inches Mounting hole size 04 5 Terminal 10mm Net weight 0 25kg Final interpretation right of the manual belongs to our company Any changes without prior notice 22 mm inches AA AA 34
8. at stage is to offset the power consumption caused by self consumption and small loads in the whole system while maintaining full battery storage capacity In Float stage loads can continue to draw power from the battery In the event that the system load s exceed the solar charge current the controller will no longer be able to maintain the battery at the Float setpoint Should the battery voltage remains below the boost reconnect charging voltage the controller will exit Float stage and return to Bulk charge Equalize Charge WARNING Risk of explosion Equalizing flooded battery can produce explosive gases so well ventilation of battery box is necessary NOTE Equipment damage Equalization may increase battery voltage to the level damaging to sensitive DC loads Ensure that all load allowable input voltages are greater than the equalizing charging set point voltage NOTE Equipment damage Over charging and excessive gas precipitation may damage the battery plates and activate material shedding on them Too high an equalizing charge or for too long may cause damage Please carefully review the specific requirements of the battery used in the system 11 Certain types of batteries benefit from periodic equalizing charge which stir the electrolyte balance battery voltage and complete chemical reaction Equalizing charge increases the battery voltage higher than the standard complement voltage which gasifies
9. e and use please take your time to read this manual and become familiar with it This will help you make full use of all the functions and improve your solar PV system 2 2 Product Features Figure 2 1 Land Star characteristics 1 Temperature Sensor Measure ambient temperature and make temperature compensation for charging and discharging 2 Charging status LED indicator An LED indicator that shows charging status and also indicates when battery voltage is higher than over voltage disconnect voltage 3 Battery status LED indicator An LED indicator that shows battery status 4 Flooded battery indicator The indicator will be on when select Flooded battery 5 Gel battery indicator The indicator will be on when select Gel battery 6 Sealed battery indicator The indicator will be on when select Sealed lead acid battery 7 Load status indicator Display the load status 8 Setting button Control the load ON OFF and select the battery type 3 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 Uses insulated tools and avoid placing metal objects n
10. e stop flashing Battery type selection Table4 5 Battery type LED indicator Sealed lead acid battery Sealed Gel battery Gel Flooded battery Flooded 14 5 Protection Troubleshooting and Maintenance 5 1 Protection 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 Overloading must be cleared up through reapply power or pressing the setting button Load Short Circuit Fully protected against load wiring short circuit After one automatic load reconnect attempt the fault must be cleared by reapply power or pressing the setting switch Reverse Polarity Fully protection against PV reverse polarity no damage to the controller will result Correct the miswire to resume normal operation Battery Reverse Polarity Fully protection against battery reverse polarity no damage to the controller will result Correct the miswire to resume normal operation Damaged Local Temperature Sensor If the temperature sensor short circuited or damaged the controller will be charging or discharging at the default temperature 25 to prevent the battery damaged from overcharging or over discharged Overheating Protection If the temperature of the controller heat sink exceeds 85 C the controller will automatically start the overheat
11. ear the batteries eExplosive battery gasses may be present during charging Be certain there is sufficient ventilation to release the gasses eAvoid direct sunlight and do not install in locations where water can enter the controller eLoose power connections and or corroded wires may result in resistive connections that melt wire insulation burn surrounding materials or even cause fire Ensure tight connections and use cable clamps to secure cables and prevent them from swaying in mobile applications eUse with Gel Sealed or Flooded batteries only Battery connection may be wired to one battery or a bank of batteries The following instructions refer to a singular battery but it is implied that the battery connection can be made to either one battery or a group of batteries in a battery bank e Select the system cables according to 3A mm current density 3 2 Mounting NOTE When mounting the controller ensure free air through the controller heat sink fins There should be at r least 6 inches 150 mm of clearance above and below the controller to allow for cooling If mounted in an enclosure ventilation is highly recommended 4 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
12. g simultaneously Too high temperature of controller When heat sink of the controller exceeds 85 the controller will automatically cut input and output circuit When the temperature below 75 C the controller will resume to work Notes No LED indicator A Measure battery voltage with multimeter Min 6V can start the controller Notes No charging status LED indicator with normal A 17 connection Measure the input voltage of solar module the input voltage must be higher than battery voltage 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 a clean and dry environment e Check that the air flow and ventilation around the controller is not blocked Clear all dirt or fragments on the heat sink Check all the naked wires to make sure insulation is not damaged for serious solarization frictional wear dryness insects or rats etc Maintain or replace the wires if necessary e Tighten all the terminals Inspect for loose broken or burnt wire connections Check and confirm that LED digital tube is consistent with required Pay attention to any troubleshooting or error indication Take necessary corrective action Confirm that all the system components are ground connected tightly and correctly Confirm
13. ing protection High Voltage Transients PV is protected against high voltage transients In lightning prone areas additional external suppression is recommended 15 5 2 Troubleshooting Trouble Shooting Table 5 1 Faults Possible reasons Troubleshootin Charging LED PV 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 indicators RED color and loads not working over discharged indicator fast higher than over over high Disconnect the flashing voltage solar module disconnect voltage OVD Battery Battery under Load output is normal LED indicators voltage charging LED indicator orange will return 10 green automatically when fully charged Battery LED Battery The controller cut off the output automatically LED indicator will return to green automatically when fully charged 16 Load status indictor red and flashing Over load or short circuit Overload reduce the load and press the button once the controller will resume to work after 38 Short circuit when the first short circuit occurs the controller will automatically resume to work after 10s when a second short circuit occurs press the button the controller will resume to work after 3s Sealed Gel Flooded indicator flashin
14. nches L MAX Figure 3 2 Battery connecting 6 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 When install fuse make sure that the biggest distance between the fuse holder and the positive terminal of battery is 150mm Do not insert a fuse at this time Confirm the connection correct and turn on the power Step 2 Load Wiring The controller loads can be connected to such electrical equipments as lights pumps motors and others Controller offers power to loads through the battery voltage at Solar Charge Contratar Figure 3 3 Load Wiring Connect the positive and negative of loads to controller load terminals as shown in Figure 3 3 The load terminal may exist voltage connect carefully to avoid short circuit An in line fuse holder should be wired in series in the load positive or negative wire as show in Figure 3 3 Do not insert a fuse at this time Confirm the connection correct and turn on the power If wiring the load connection to a load distribution panel each load circuit should be fused separately The total load draw should not exceed the load rated current of controller Step 3 Solar wiring WARNING Risk of electric shock Exercise caution
15. nt Intermissions make some oxygen and hydrogen generated by chemical reaction chemically combined again and absorbed It can eliminate concentration polarization and ohm polarization naturally and reduce the internal pressure of the battery so that the battery can absorb more power Pulse current charging mode makes battery have more time to react which reduces the gassing volume and makes battery improve the acceptance rate of charging current 4 2 Battery Charging Information BULK FLOAT CHARGE Figure 4 1 PWM Charging mode Bulk Charge In this stage the battery voltage has not yet reached boost voltage and 100 of available solar power is used to charge the battery Boost Charge When the battery has recharged to the Boost voltage setpoint constant current regulation is used to prevent heating and excessive battery gassing The Boost stage remains 120 minutes and then goes to Float Charge 10 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 Then the controller reduces the voltage to the floating stage charging with a smaller voltage and current It will reduce the temperature of battery and prevent the gassing also charging the battery slightly at the same time The purpose of Flo
16. r use 2 PV or load current exceeding the ratings of product 3 Unauthorized product modification or attempted repair 4 Damaged occurring during shipment 5 Damage results from acts of nature such as lightning weather extremes 6 Irreclaimable mechanical damage 19 7 Technical specifications Electrical Parameters Table 7 1 Description Parameter 12 24 Nominal System Voltage Maximum Battery Voltage 32V LS1024 10A Rated Battery Current LS1524 15A LS2024 20A Charge Circuit Voltage Drop lt 0 26V Discharge Circuit Voltage Drop lt 0 15V Self consumption lt 6mA Temperature Compensation Coefficient Table7 2 Description Parameter Temperature Compensation Coefficient TEMPCO 30mV C 12V 25 C ref Compensation of equalize boost float and low voltage disconnect voltage 20 Battery Voltage Parameters temperature at 25 C Table 7 3 Charging Parameters Battery charging Gel Sealed Flooded setting Over Voltage Disconnect 16V 2 24 16V 2 24 16V x2 24V Voltage Charging Limit Voltage Over Voltage Reconnect 15V 2 24 15V 2 24 15V x2 24V 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 Float Charging 13 8V x2 24V 13 8V x2 24V 13 8V x2 24V Voltage Boost Reconnect Charging Voltage Low Voltage Reconnect 12 6V x2 24V 12 6V x2 24V 12 6
17. t for 5 seconds overload or load current is more than 3 5 times of rated current Short Circuit the load status indictor will be red and flashing Please refer to section 5 for trouble shooting Load status indicator Table 4 3 Color indictor Load status Red flashing Overload or short circuit Overheating protection indicator When heat sink of the controller exceeds 85 the controller will automatically cut input and output circuit Sealed Gel Flooded indicator will be red and flashing simultaneously Please refer to section 5 for trouble shooting Overheating protection indicator Table 4 4 Color indictor System status Sealed Gel Flooded flashing Controller Red simultaneously overheating 13 4 4 Setting Operation Sealed Setting indicator Load Status LED indicator Sealed 9 r Gel Gel Setting indiGator Flooded Flooded 5 Setting Indicator Setting button Solar Charge Controller Figure 4 3 Setting operation indicating Load Work Mode Setting When the controller is powered on press the setting button to control the load output Press the button once the ON OFF status will be changed corresponding Battery Type Setting Press the setting button for more than 5 seconds the original battery type indicator will be flashing Then press the setting button to choose Sealed Gel and Flooded battery type The setting is finished till the digital tub
18. 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 Equalize charge and boost charge are not carried out constantly in a full charge process to avoid too much gas precipitation or overheating of battery 4 3 LED Indicators Charging Status LED indicator Battery Status LED indicator Sealed Flooded 39 Solar Charge Controller Figure 4 2 LED indicators Charging Status indicator GREEN ON whenever sunlight is available for battery charging GREEN FAST FLASHING when battery over voltage Please refer to section 5 for troubleshooting Charging Status LED indicator Table 4 1 Color Indicator Charging Status Green On Solid Charging Green Fast Flashing Battery over voltage 12 eBattery 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 Battery Status Green On solid Normal Green Slowly Flashing Full Orange On solid Under voltage Red On solid Over discharged Load status indicator When the load current is 1 25times of rated current for 60 seconds or the load current is 1 5 times of rated curren
19. water And make sure good ventilation Step 2 Check for clearance Place the controller in the location where it will be mounted Verify that there is sufficient room to run wires and that there is sufficient room above and below the controller for air flow A YA A a LL LL A 150mm 5 9inches Warm air 150mm 5 9inches Cool air 7777777777777777 Figure 3 1 Mounting and cooling Step 3 Mark Holes Use a pencil or pen to mark the four 4 mounting hole locations on the mounting surface Step 4 Drill Holes Remove the controller and drill 4mm holes in the marked locations Step 5 Secure Controller Place the controller on the surface and align the mounting holes with the drilled holes in step 4 Secure the controller in place using the mounting screws 5 NOTE A recommended connection order has been provided for maximum safety during installation NOTE The controller is a common positive ground controller exceeding the ratings of the controller CAUTION Don t connect the loads with surge power CAUTION For mobile applications be sure to secure all wiring Use cable clamps to prevent cables from swaying when the vehicle is in motion Unsecured cables create loose and resistive connections which may lead to excessive heating and or fire Step1 Battery Wiring WARNING Risk of explosion or fire Never short circuit battery positive and negative or cables 150mm 5 9i
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