OPERATION MANUAL
Contents
1. Manual control interface When the inverse cursor rests on in main menu 1 press manual load control interface with the following contents displayed 32 Manual Default OFF Press t or E to choose ON or OFF as default After confirmation press enter and the messagebox below will prompt When it is cancelled the inverse cursor moves back to the main menu interface When save confirmation chosen the indication of successful saving will occur as follows After parameters successfully saved it returns to main menu interface Light control interface When the inverse cursor is at 8 press ENTER to enter light control interface shown as below 33 Light On Off On 00 Delay 10m Off 06 0V Delay 10m the inverse cursor moves among each parameters ns sequencely Press to modify the values The below choose save or cancel operation When modification canceled the interface will go back message box will be prompted after press main menu Cancel When save operation confirmed the indication of successful saving will prompt as follows After parameters successfully saved it returns to main menu interface SAVE SUCCESS Light control timer control interface When the inverse cursor is at press ENTER to enter into light control and time control interface 34 Light On Timer On 0f 0V Delay2. conditions or mark important safety instruction 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 Er NOTE Indicates a procedure or function that is important for safe and proper operation of the controller General Safety Information Read all of the instructions and cautions in the manual before installation are no user serviceable parts inside the controller Do not disassemble or attempt to repair it e Mount the controller indoors Prevent exposure to the elements and do not allow water to enter the controller Install ViewStar controller in well ventilated places the ViewStar controller heatsink may become very hot during operation eInstall external fuses breakers as required e Disconnect the solar module load and fuse breakers near to battery before installing or adjusting the controller Power connections must remain tight to avoid excessive heating from a loose connection 2 General Information Thank you for selecting ViewStar series solar charge controller The controller adopts advanced digital control technology LCD display and automatical operation With the features of Pulse Width Modulation PWM battery charging and unique control technology the controller will improve the long battery life efficiently Our controller has many unique features and
3. gt Test Mode Interface Press or ENTER move inverse cursor to 706 then press and enter into test mode interface below Test Mode Load gt ON gt Password Setting Interface Press or Move inverse cursor to and enter into test mode interface below isl then press 39 Password Ori PSW 000000 New PSW 000000 If changing the value press ENTER to submit and the following message will prompt Press t to select save to confirm update or cancel After confirmed the cursor will move back to the main menu Save Parameters Cancel When updating successfully the prompt will show below and then move back to the main menu SAVE SUCCESS 40 gt Battery Charge Mode Setting Interface Press or ENTER move inverse cursor to then press and enter into test mode interface below Batt Mng Mode If changing the value press to submit and the following message will prompt Press or to select save to confirm update or cancel After confirmed the cursor will move back to the main menu Save Parameters GEWG Cancel When updating successfully the prompt will show below and then move back to the main menu SAVE SUCCESS 4l gt Factory Reset Mode Interface Press or ENTER move inverse cursor to J tory and enter into test mode interface below then press Factory R
4. Instructions 3 1 Mounting e Read through the entire installation section first before beginning installation very careful when working with batteries Wear eye protection Have fresh water available to wash and clean any contact with battery acid e Uses insulated tools and avoid placing metal objects near the batteries e Explosive battery gasses may be present during charging So well ventilation of battery box is recommended e Avoid direct sunlight and do not install in locations where water can enter the controller e Loose 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 Gel Sealed or Flooded batteries are recommended other kinds please refer to the battery manufacturer 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 Select the system cables according 3A mm2 current density CAUTION The ViewStar controller requires at least 150mm of clearance above and below for proper air flow Ventilation is highly recommended if mounted in an enclosure WARNING Risk of explosion Never install the controller in a se
5. OFF the load by press ENTER button Parameter Detail Note The load will open automatically Press ENTER button to after the controller is initialized If control load at the standby Manual the battery power is enough and the interface in the controller or ON default controller works well load will in the MT50 100 keep open The load also could be got The load will keep off after the through or shut down by monitor software in remote PC controller is initialized Only when open load manually load can be Manual OFF output If the battery power is enough and the controller works well load will keep open 2 Light On Off When solar module voltage goes below the point of NTTV Night Time Threshold Voltage at sunset the controller will recognize the starting voltage and turn on the load after pre set time delay when the battery power is enough and the controller works well When solar module voltage goes above the point of DTTV Day Time Threshold Voltage the solar controller will recognize the starting voltage and turn off the load after pre set time delay The pre set time delay is range of 0 to 99 minutes 2 2 B z 2 2 Light ON Light OFF Middle of Night 3 Light ON Timer When solar module voltage goes below the point of NTTV Night Time Threshold Voltage at sunset the solar controller will recognize the starting voltage and turn on the load after pre set delay time Wor
6. 10m Off 06 0V Delay 10m Night Time 10 00 Light On Timer Period 1 01 00 Period 2 01 00 Press t or to modify each parameter The below message box will be prompted after press Press t or save or cancel operation When modification canceled the interface will go back main menu Light On Timer Cancel Work Time 10 00 00 When save operation confirmed the indication of successful saving will prompt as follows After parameters successfully saved it returns to main menu interface 35 Light On Timer SAVE SUCCESS Work Time 10 00 00 NOTE When the OFF time is later than local sunrise time the controller will turn off the load output at the sunrise time because light control s priority level is higher Time control interface When the inverse cursor rests on in the time control interface press ENTER enter into time control interface Press t or to modify all parameters of time interval 1 Time Control 1 On Time Oj 20 00 Off Time 15 00 00 is continuously pressed it will enter into the following interface the inverse cursor moves among every parameters lt to modify value of time interval 2 When choosing Press Press time control mode the load output will accord to time and time2 36 Time Control 2 On Time f 30 00 Off Time 06 00 00 Single n th
7. 3mV 2V 25 Compensation of equalize boost float and low voltage disconnect voltage SOC parameters Precent of charging 100 constant value Precent of discharging 10 80 Low SOC reconnect is higher Low SOC disconnect than 5 53 OES BED ae 70 100 VS2024BN Dimensions 70 103 zl 191 200 VS2048BN amp VS3024BN Dimensions lt 200 6 VS3048BN amp VS4524BN Dimensions ed 1 bs MANNII AMAA WA _ I 1 45 e zz 611 1 B 155 4 204 8 VS4548BN Dimensions V NNNNNI YAannnanrwN v VV VOU _ 1 4 or o 4 5 SIT Il 9 rrr g 1 4 204 8 VS6024BN Dimensions VS6048BN Dimensions
8. Drop Discharge Circuit lt 0 17V Voltage Drop Self consumption lt 15mA 12v lt 13mA 24v Communication RS485 RJ45 interface Remote temperature 2ERJ 3 81 sensor interface Ground Negative to the ground LCD temperature 20C 70 Working temperature 25 55 Enclosure IP30 Terminal mm 4 10 16 35 35 Net weight kg 0 3 0 4 07 0 8 43 Model VSES BN Nominal System 2048 3048 4548 6048 12V 24V 36V 48V Auto recognized Voltage Maximum Battei 64 Voltage Maximum PV Voltage 96V Rated Battery Current 20 30 45 60 A Charge Circuit Voltage lt 0 53V Drop Discharge Circuit lt 0 16V Voltage Drop lt 15mA 12v lt 10mA 24y Self consumption P lt 9 36 lt lt 8 4 48 Communication RS485 RJ45 interface Remote temperature 2ERJ 3 81 sensor interface Ground on to the LCD temperature 20 C 70 Working temperature 25 C 55 Enclosure IP30 Terminal mm 16 35 35 35 Net weight kg 0 7 0 8 12 1 6 Battery Control Parameters All the coefficient is referred to 25 C and twice in 24v system rate triple in 36v system rate and quadruple in 48 system rate Battery Type Gel Sealed Flooded User High Volt Disconnect 16V 16V 16V 9 17V Charging limit voltage 15V 15V 15V 9 17V Over Voltage Reconnect 15V 15V 15V 9 17 Equalization voltage 14 6V 14 8V 9 17V Boost voltage 14 2V 14 4V 14 6V 9 17V Float volt
9. ViewStar series Solar Charge Controller OPERATION 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 Solar Charge Controller Nominal system voltage 12V24V 36VA8V Nominal charge discharge current 10 20 30 45 60 Final interpretation right of the manual belongs to EPsolar Any changes without prior notice Contents 1 Important Safety Information 2 General Information 2 1 Product Overview 2 2 Product Features sse 2 3 Optional Accessories 3 Installation 3 1 Mounting 3 2 Wiring 4 Operation 4 1 PWM Technology 4 2 Battery Charging Information 4 3 HMI Interface 4 4 Operation and Displaying of Controller 4 5 Remote communication and monitor 5 Protection Troubleshooting and Maintenance 5 1 Protection 5 2 Troubleshooting 5 3 Maintenance 6 Technical Specifications 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
10. age 13 8V 13 8V 13 8V 9 17V Boost return voltage 13 2V 13 2V 13 2V 9 17 Low voltage reconnect 12 6V 12 6V 12 6V 9 17V Under voltage recover 12 2V 12 2V 12 2V 9 17V Under voltage warning 12V 12V 12V 9 17 Low voltage disconnect 9 17 Discharging limits voltage 10 6V 10 6V 10 6V 9 17V Equalize duration 120min 120min 0 180min Boost duration 120min 120min 120min 10 180min The following rules must be observed when modify the parameters value in user battery type factory default value is the same as sealed type Rulel High Volt Disconnect gt Charging limit voltage Boost voltage Float voltage gt Boost return voltage Rule2 High Volt Disconnect gt Over Voltage Reconnect Rule3 Low voltage reconnect gt Low voltage disconnect gt Equalization voltage gt Charging limit voltage Rule4 Under voltage recover gt Under voltage warning Charging limit voltage Rule5 Boost return voltage gt Low voltage reconnect 52 Threshold voltage value Night Time Upper limit 10V 20V 24V 30V 36V 40V 48 Threshold Voltage Low limit 1V 2V 24V 3V 36 48 Default 6 12 Day Time Upper limit 10 20 24 30 36V 40V 48 Threshold Voltage Low limit 1V 2V 24V 3V 36 48 Default 5 12 Temperature compensate Temperature Upper limit C 2V compensate Low limit 9mV 2V coefficient Default
11. aled 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 And make sure good ventilation Step 2 Check for clearance Place the controller in the location where it will be mounted Verify sufficient room to run wires and sufficient room above and below the controller for air flow RUP AP A AU A AV AP AD AD m 111 fom 150mm 5 9inches Cool air Step 3 Mark Holes 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 and align the mounting holes with the drilled holes in step 4 Secure the controller in place using the mounting screws 3 2 Wiring F PJJ NOTE A recommended connection order has been provided for maximum safety during installation NOTE the controller is common negative one CAUTION Don t connect the loads with surge power exceeding the ratings CAUTION Secure all wiring for mobile applications Use cable clamps to prevent cables from swaying Unsecured cables create loose and resistive connections which may lead to excessive heating and or fire WARNING Risk of explosion or fire Never short circuit b
12. attery positive and negative or cables WARNING Risk of electric shock Exercise caution when handling solar wiring The solar module s high voltage output can cause severe shock or injury Be careful operation when installing solar wiring If nominal system voltage is 12V make sure battery voltage is higher than 9V before starting the controller If nominal system voltage is 24V make sure voltage of battery is no less than 18V if nominal system voltage is 36V make sure voltage of battery is no less than 30V if nominal system voltage is 48V make sure voltage of battery is no less than 42V The nominal system voltage can only be identified when controller is powered on automatically Controller s load terminals can be connected to DC electric equipments whose nominal operation voltage is the same as nominal voltage of battery The controller supplies power to loads with battery voltage It is suggested that positive pole or negative pole of battery and loads be connected to a safety device whose operation current is not twice lower than nominal charging or discharging current Do not switch on the safety device while it is being installed Switch on the safety device after the wiring is confirmed CAUTION On occasions that controller must be connected to the ground For common positive controller the positive pole must be connected to the ground on the contrary the negative pole must be connected to the ground for co
13. ature 11 Battery slot Mount cell battery RTC 2 3 Optional Accessories 1 Remote Display Unit Model MT50 The remote display unit is used to monitor system operating information faults and modify the parameters with displaying on a backlit LCD The large numerical display and icons are easy to read and large buttons make menus easy to navigate The unit can be mounted in the wall or the mounting frame One 2m long cable are attached the length of cable can be customized and the mounting box is optional The MT50 connects to controller through the RJ45 port 2 Remote temperature sensor Model RTS300R47K3 81A Remote temperature sensor is used to acquire ambient temperature to undertake temperature compensation for charging and discharging Standard length of the cable is 3m could be customized The RTS300R47K3 81A connects through the 2P 3 81 port Note unplug the RTS the temperature of battery will be set to a fixed value 25 C 3 Super Parameter Programmer Model SPP 01 The Super Parameter Programmer can realize one key setting operation which is suitable for bulk quantity products setting in the projects 4 USB To RS 485 converter Model CC USB RS485 150U USB To RS 485 converter is used to monitor each controller on the network using EPsolar Station PC software and update the firmware The length of cable is 1 5m The CC USB RS485 150U connects to the Communication port 6th on the controller 3 Installation
14. cs Char Energy Day 1 17KWh Mon 25 35K Wh Total 98 74KWh 25 Discharging energy statistics Disch Energy Day 0 75KWh Mon 18 53K Wh Total 54 32KWh Device Setting In the main menu press 1 or ger button to make the inverse cursor point to press enter gt to enter device setting interface which displays the following contents When setting in this interface real time clock will stop running Please correct real time clock again after parameters are changed Device Set Device Set Date B 05 2011 ID 001 Time 12 24 23 Backlight 010 sec In the interface press or enw the inverse cursor moves among every parameter Pressing button could move the inverse cursor back to main menu When inverse cursor points at the parameter the contents of the parameter can be modified press t to increase the value and press decrease the value LCD backlight auto off time can be set between 00 999 seconds The below message box will be prompted after press ENTER Press t or I owl to choose save or cancel operation When modification canceled the interface will go back main menu Auto off time of LCD backlight is 60 seconds as default 26 Save Parameters Cancel If save confirmation is chosen the system will automatically check the validity of parameters If the check is passed the promptation of successful saving will occur be
15. ctions and maintenance tasks are recommended at least two times per year for best performance 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 Check and confirm that LED or LCD is consistent with required Pay attention to any troubleshooting or error indication Take corrective action if necessary Tighten all the terminals Inspect for loose broken or burnt wire connections Confirm 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 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 NOTE Dangerous with electric shock Make sure that all power source of controller is cut off when operate above processes make inspection or other operations 49 6 Technical specifications Model VS BN Nominal System 1024 2024 3024 4524 6024 12V 24V Auto recognized Voltage Maximum Batt d 32V Voltage Maximum PV Voltage 48V Rated Battery Current 10 20 30 45 60 Charge Circuit Voltage v lt 0 69V
16. e double time control mode timel and time2could not overlap only value of time can be modified The interface is as follows When choosing Time Control 2 On Time Off Time Double ENTER to submit and the following message will If changing the time press prompt Time Control 2 Single rs to select save to confirm update or cancel After confirmed the cursor will move back to the main menu 37 When updating successfully the prompt will show below and then move back to the main menu Time Control 2 SAVE SUCCESS gt Nominal Parameter Interface press 17 or Eg move inverse cursor to 6 then press ENTERS to enter into nominal parameter interface below Battery rate and capacity can be modified the batter rate are 12v 24v 36v 48v or auto Battery capacity ranges from to 9999AH in the interface Press 1 or EU to increase or decrease the value Rated Value Batt 12 0V Load 10 0A 10 0 Type 2 If changing the value press to submit and the following message will prompt Press or to select save to confirm update or cancel After confirmed the cursor will move back to the main menu 38 Rated Value Type Seal When updating successfully the prompt will show below and then move back to the main menu Rated Value SAVE SUCCESS Type Seal Flood
17. easy to use 2 1 Product Overview The controller could charge battery and discharge automatically for off grid photovoltaic PV systems The charging process has been optimized for long battery life and improved system performance The comprehensive self diagnostics and extensive electronic protection can prevent damage against incorrect wiring or system faults Features 32 bit MCU with high speed and high performance 12 bit A D high precision sampling to ensure accuracy eExcellent EMC design eNominal system voltage automatic recognition or user defined working voltage eHigh efficient Series mode PWM charging increase the battery lifetime and improve the solar system performance MOSFET as electronic switch without any mechanical switch Wide feasibility and recognize day or night automatically eGraphical dot matrix LCD and 4 buttons combinations as HMI human machine interface for full menu and easy operation eHumanized design of browser interface to facilitate the operations of control parameters could be set and modified eSeveral load control methods are supported to convenient for different demand eSupport 4 charging preprogram options Sealed Gel Flooded and User defined eAdopt temperature compensation and update charging and discharging parameters automatically to improve the battery lifetime e With the feature of input filter the voltage spike could be restrained effectively 2 eActual Power Disp
18. eset YES If changing the value press to submit and the following message will prompt Press or to select save to confirm update or cancel After confirmed the cursor will move back to the main menu When updating successfully the prompt will show below and then move back to the main menu 42 gt Reboot Device Setting Interface Press or ENTER move inverse cursor to 779979199 then press and enter into test mode interface below Reboot Device If needing to reboot the device press ENTER to submit and the device will reboot at once 4 5 remote communication and monitor RJ45 30 RS485 to USB USB With special communicate cable user could monitor the status and modify the parameters 1 MT50 display unit need one standard twisted net cable model CC RS485 RS485 200U MT 2 Super parameter programmer SPP 01 Use standard twisted net cable model CC RS485 RS485 200U One key easily configure and apply to batch setting 43 3 PC monitor software need one private usb to rs485 cable model CC USB RS485 150U 45 85485 45 O ee a 0 8 45 95485 PCHLUSBFTELI Pe OTT WARNING Do not use the standard twisted net cable to connect the device and PC net interface or the permanent damage will occur 5 Protection Troubleshooting and Maintenance 5 1 Protection Array Short Circuit If PV array short circu
19. ge and current Minus sign with current means that the battery is in discharging status Positive sign means the battery is in charging BATT 12 5V 5 5 Battery temperature and battery SOC Press E to enter into the following interface which indicates actual temperature and SOC of battery 22 25 6 C SOc 47 Load voltage and current Press eres and enter into the following interface which indicates actual voltage and current of loads LOAD 12 5V 5 5 Real time clock and imaging system status Press mos and enter into the following interface which indicates real time clock and graphic system status If choose the manual mode with loads press enter in the interface to control loads on and off alternatively 2 Sep05 12 24 23 23 m Introductions to system status icons Icons indicating battery charging are dynamic effects System status Press ess and enter into the following interface which indicates system status PV Disconnect BATT NoCharge Normal LOAD On DEVICE Normal 24 status Connect Disconnect BATT charging status Equalize Boost Float No Charge BATT status UVW Normal OverLoadl NOSES oe DEVICE status Normal When fault with inverse cursor above exists for 2 minutes along without any operation it will jump into that page automatically Y Charging energy statisti
20. ging accomplishes off and on 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 HMI Interface Charging indicator Fault indicator Buttons instruction Cursor down Number reduce button Cursor up Number add button Menu Cursor left button Enter cursor right button Charging indicator GREEN ON whenever sunlight is available for battery charging and the charging system is normal Charging LED indicator Table 4 1 Color Indicator Charging Status Green Steady On Charging e Fault indicator When the following cases occur fault indicator red flashing Solar module Over current Measure error of voltage Short of reverse protection MOS I Short of charging MOS C MOS I or MOS C disconnection or MOS break in control section Battery Over voltage Measure error of voltage Over temp Load Over load Short Short of discharging MOS Measure error of voltage Device Over temperature For trouble shooting refer to chapter 5 Fault LED indicator Table 4 2 Color Indicator Charging Status PV Measure Err MOS I Short MOS C Short MOS Break BATT OVD Error Over Temp Red Flashing LOAD Overload Short MOS Short Error DEVICE Over Temp 4 4 Operation and Displaying Load mode 1 Manual mode default This mode is to turn ON and
21. ient temperature local temperature sensor or battery temperature remot e temperature sensor over temperature When operating ambient temperature or battery temperature reaches exceeds 65 C controller will cut off input and output circuit automatically When the temperature is below 55 C controller will automatically reconnect input and output circuit 46 Charging and discharging Battery voltage Please restart controller if the fault circuit is off and monitor sensor is shows Error abnormal still exists cut off charging and discharging circuit immediately and contact the supplier to make maintenance Discharging circuit is off Load power and monitor shows Over Load surpasses nominal power Please reduce the number of electric equipments When load power reaches 1 05 1 25 times 1 25 1 5 times and 1 5 times more than nominal value controller will automatically close loads in 60 seconds 5 seconds and 1 second respectively It is reactivated after delayed 5 seconds for the first time 10 seconds for the second time 15 seconds for the third time 20 seconds for the fourth time and 25 seconds for the fifth time If over 5 times push the key ENTER and controller recover output after 10 seconds In the process of 5 time reactivation if it is recovered manually the 5 time reactivation will be circulated again When there is any change from night to daytime restart
22. ing and discharging When the temperature is below 75 C the controller will resume to work 45 High Voltage Transients PV is protected against smaller high voltage surge In lightning prone areas additional external suppression is recommended Note The controller has daily automatic fault recovery function which will reduce the manual operation and can intelligently eliminate the fault caused by non actual hardware failure 5 2 Troubleshooting Trouble Shooting Table 5 1 Faults Possible reasons Troubleshooting Charging LED indicator is off during daytime and the monitor shows Disconnect PV array disconnection Check that PV and battery wire connections are correct and tight monitor shows Measure Err MOS I Short MOS C Short MOS Break MOS I or MOS C are damaged Please restart controller if the fault still exists switch off controller immediately and contact the supplier to make maintenance Loads do not work and monitor shows LVD Battery is over discharged The controller cut off the output automatically and recover when fully charged Charging and discharging circuit is off and monitor shows OVD Battery is over voltage switch off the wiring of solar array and measure the voltage of battery whether is too high Charging and discharging circuit is off and the BATT of monitoring interface shows Over Temp Operating amb
23. it occurs clear it to resume normal charge automatically Load Overload If the load current exceeds the rated current of controller 71 05 times rated discharge current the controller will disconnect the load Overloading must be cleared up then pressing the switch button Load Short Circuit Fully protected against load wiring short circuit 22 times rated discharge current After one automatic load reconnect attempt the fault must be cleared by restarting the controller or pressing the switch button PV 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 Battery working voltage error If battery voltage does not match controller working voltage controller will stop working After correcting the voltage the failure can be eliminated through pushing load button Damaged Temperature Sensor If the temperature sensor short circuited or damaged the controller will be charging or discharging at the default temperature 25 C to prevent the battery damaged from overcharging or over discharged Overheating Protection If the temperature of the controller heat sink exceeds 85 the controller will automatically start the overheating protection and stop the charg
24. king time 2 is the open time of load in the light mode before dawn The load will be on for several hours which users set If the work time are changed during the process the controller will not reset the counter working time 1 Light ON v v Light OFF working time 2 Light ON Light OFF Parameter Detail Note Working The open time of load in the light mode The value is set to ZERO Time 1 after dusk means the controller will Working The open time of load in the light mode not work at this working Time 2 before dawn time period the actual The controller calculated the total time of load on is relative Night time length of the night by self learning The with night time working time should be more than 3 hours time and working time2 4 Timer The mode includes single and double time intervals Set the starting and ending time for each time interval and controller works according to the set time interval Parameter Detail Time Control 1 Set the begin and end time 1 of the load output Time Control 2 Set the begin and end time 2of the load output Single The load output according to time Double The load output according to timel and time2 Device Parameters Parameter Detail ID Range 1 200 Clock Format dd mm yyyy hh mm ss Password Default 000000 e Battery Charging Setting Battery Type Note Sealed defau
25. lay and record function make convenience to check datum every day every month and every year eRS 485 ports via the open standard Modbus protocol are supported for long distance communication and communication compatibility eStandard RJ45 interface is used to connect to remote display unit MT50 or PC software to monitor the actual data or modify parameters eNew SOC method could calculate the battery capacity accurately Electronic protection Overheating over discharging overload and short circuit eReverse protection any combination of solar module and battery 2 2 Product Features VS2048BN VS30 BN VS45 BN VS60 BN 1 Local temperature sensor It is used to acquire ambient temperature to do temperature compensation for charging and discharging 2 Fault LED indicator An LED indicator that shows system faults 3 Charging LED indicator An LED indicator that shows charging status 4 Liquid crystal display LCD Monitoring interface for solar system parameters and running status 5 Buttons 4 buttons used to operate and configure controller 6 Communication port Connect remote display unit MT50 Optional Accessories or PC software 7 Load terminals Connect loads 8 Battery terminals Connect batteries 9 Solar module terminals Connect solar modules 10 Remote temperature sensor interface optional Connect remote temperature sensor Optional Accessories to acquire ambient temper
26. low After parameters successfully saved it returns to main menu interface SAVE SUCCESS Press and hold both and button for 3 seconds to enter factory mode in the main interface The authority code to clear Energy Log is 102206 as default The clear operation can t be recalled so take care Device Set ID Energy Log Clear 27 gt Charging and Discharging Parameters Setting Interface press ENTER to enter into charging and discharging parameters setting interface as inverse cursor at 3 Parameter Set in main menu 1 press it moves back to the previous interface and the inverse cursor points to the position of the first parameter The following control voltage parameters value must be between 9v and 17 and in strictly accordance with High Volt Disconnect gt Charging limit voltage 2 Equalization voltage Boost voltage Float voltage gt Boost return voltage High Volt Disconnect gt Over Voltage Reconnect Low voltage reconnect gt Low voltage disconnect Charging limit voltage Under voltage recover gt Under voltage warning Charging limit voltage Boost return voltage gt Low voltage reconnect Temperature compensation coefficient Press or ENTER then the inverse cursor moves among every parameters sequencely Press t or to modify temperature compensation coefficient Parameter Set Temp Compensate Coeff 3 omv C 2V 28 Control parameter
27. lt Constant value GEL Constant value flooded Constant value User Defined by user 20 Operation and displaying of controller gt Initialization Interface When controller is powered on the following picture will be painted during the initialization WELCOME V2 36 V2 63 gt Main Menu Interface initialized the monitoring interface will update automatically Press button to main menu 1 interface which displays the following contents d Monitoring 2 Device Set 3 Parameter Set Inverse cursor showing the 4 Load Set contents can be operated Press button to enter into main menu 2 and main menu 3 interface which displays the following contents D Factory Reset 10 Reboot Device 5 Rated Value 6 Test Mode 7 Password 8 Batt Mng Mode 21 gt System Monitor Interface In the main menu interface press u the inverse cursor moves between main menu and main menu 2 When the inverse cursor points at m in the main menu 1 press rege into the system monitoring interface which displays contents as below Press display every real time parameters interface circularly V Solar array voltage and current The interface shows real time voltage and current of solar module PV 14 5V 72 Battery voltage and current Press to enter into the following interface which shows actual battery volta
28. mmon negative controller Wire conductor length VS1024BN 7mm VS20 BN 13mm VS30 BN 10mm VS45 BN VS60 BN 14mm Step 1 Wiring and switching on After solar system is wired check all wirings carefully to make it clear whether all 6 terminals are connected correctly and tightened According to the order of switching on in the chart battery first loads second and solar module third successively to avoid nominal system voltage identification error Solar Array Step 2 Power on When controller starts up liquid crystal display LCD displays initialization interface and 2 indicator LED will be blinked once Check if it is correct If there are no above procedures refer to section 5 for troubleshooting 11 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 current Intermissions make oxygen and hydrogen generated by chemical reaction 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 chargi
29. ng 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 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 12 is used to prevent heating and excessive battery gassing The Boost stage remains 120 minutes and then goes to Float Charge Every time when the controller is powered on if it detects neither over discharged nor overvoltage the charging will enter into boost charging stage 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 Float 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 po
30. r Set Low V 2 6 Low Disc 11 1V Discharg Lmt 10 6V 30 Control parameters interface 5 Press ENTER continuously and the inverse cursor will move to the control parameters interface Press 17 or to modify the following control parameters Parameter Set 120 Range from 0 to 180 120 Equa Time BoostTime Range from 10 to 180 The interface below will prompt only when the SOC is selected in the Batt Mng Mode Parameter Set Charge 100 Constant value Discharge 30 Range from 10 to 80 Only when the inverse cursor moves to the last option the modified parameters could be saved Press ENTER and the following picture appears Press t or to choose save or cancel operation When modification canceled the interface will go back main menu Parameter Set Cancel Discharg Lmt 10 8V 31 When save operation confirmed the indication of successful saving will prompt as follows After parameters successfully saved it returns to main menu interface Parameter Set SAVE SUCCESS gt Load Control Interface When the inverse cursor rests on main menu 1 press enter load control interface with the following contents displayed Manual Light On Timer Time When set light control threshold voltage it should meet the requirement refer to Chapter 6 Threshold Voltage Value
31. s interface 1 Press ENTER continuously and the inverse cursor will move to the control parameters interface Press 1 or to modify the following control parameters The value in this interface could be modified only when the battery type is USER defined Parameter Set Over Volt Disc J6 0V Charg Lmt 15 5V Over Volt Rect 15 0V Control parameters interface 2 Press ENTER continuously and the inverse cursor will move to the control parameters interface Press 1 or to modify the following control parameters The value in this interface could be modified only when the battery type is USER defined Parameter Set Equal Chrg 4 6 Boost Chrg 14 4 Float Chrg 13 8V Value is none when GEL battery 29 Control parameters interface 3 Press ENTER continuously and the inverse cursor will move to the control parameters interface Press 1 or to modify the following control parameters The value in this interface could be modified only when the battery type is USER defined Parameter Set Boost V Rect 3 2V Under Rect 12 2V Under V Warn 12 0V Control parameters interface 4 Press ENTER continuously and the inverse cursor will move to the control parameters interface Press 1 or to modify the following control parameters The value in this interface could be modified only when the battery type is USER defined Paramete
32. the self recovery process Namely 5 time circular reactivation can be operated again 47 Discharging circuit is off and the LOAD monitor shows Short Charging and discharging circuit is off and the LOAD of monitoring interface shows MOS I Short Error Load circuit is short Electronical component damaged Please check carefully loads connection It is reactivated after delayed 5 seconds for the first time 10 seconds for the second time 15 seconds for the third time 20 seconds for the fourth time and 25 seconds for the fifth time If over 5 times push the ENTER key and controller recover output after 10 seconds In the process of 5 time reactivation if it is recovered manually the 5 time reactivation will be circulated again When there is any change from night to daytime restart the self recovery process Namely 5 time circular reactivation can be operated again Please restart controller if the fault still exists cut off charging and discharging circuit immediately and contact the supplier to make maintenance Charging and discharging circuit is off and the LOAD monitor shows Over Temp controller is over temperature When the temperature of controller exceeds 85 the controller will cut input and output circuit when it is below 75 C the controller will automatically reconnect input and output circuit 48 5 3 Maintenance The following inspe
33. wer 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 Fo Fr 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 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 Every month 28 solar controller will engender equalize charging stage It will remain 120mins when equalize stage is constant or it will remain 180mins when equalize char
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