background image

——

Solar Charge Controller

Nominal system voltage

12V

24V

48V

Nominal charge / discharge current

10A

20A

30A

40A

50A

60A

V

S

Summary of Contents for VS Series

Page 1: ...cting 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 INSTRUCTION MANUAL ...

Page 2: ... Solar Charge Controller Nominal system voltage 12V 24V 48V Nominal charge discharge current 10A 20A 30A 40A 50A 60A VS ...

Page 3: ...ery Charging Information 11 4 3 HMI Interface 13 4 4 Operation and Displaying of Controller 15 System Monitor Interface 17 Device Setting Interface 20 Charging and Discharging Parameters Setting Interface 22 Load Control Interface 25 Nominal Parameter Interface 31 Factory Reset Interface 32 5 Protection Troubleshooting and Maintenance 34 5 1 Protection 34 5 2 Troubleshooting 35 5 3 Maintenance 38 ...

Page 4: ...ming this task CAUTION Indicates a critical procedure for 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 Disconnect the solar module and fuse bre...

Page 5: ...gh speed and high performance 12 bit A D high precision sampling to ensure accuracy Excellent EMC design Nominal system voltage automatic recognition High efficient Series PWM charging increase the battery lifetime and improve the solar system performance Use MOSFET as electronic switch without any mechanical switch Widely used automatically recognize day night Adopt graphics dot matrix LCD screen...

Page 6: ...3 2 2 Product Features 1 3 6 7 8 9 2 10 4 5 1 2 3 4 5 10 6 7 8 9 VS1024 N VS2024 N VS2048 N VS30 N VS40 N VS50 N VS60 N ...

Page 7: ...CD Monitoring interface for solar system parameters 5 Combined type buttons 4 combined type buttons accomplish all operations to controller 6 Communication interface Connect remote displaying unit MT 100 Optional Accessories 7 Load terminals Connect loads 8 Battery terminals Connect batteries 9 Solar module terminals Connect solar modules 10 Remote temperature sensor interface Connect remote tempe...

Page 8: ...he meter menus easy The meter can be flush mounted in a wall or surface mounted using the mounting frame included The MT 100 is supplied with 1 5m of cable and a mounting frame The MT 100 connects to the RJ45 port on the VS 2 Remote temperature sensor Model TS R Acquiring of ambient temperature for undertaking temperature compensation of charging and discharging parameters the standard length of t...

Page 9: ...fire Ensure tight connections and use cable clamps to secure cables and prevent them from swaying in mobile applications Use 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...

Page 10: ...es and that there is sufficient room above and below the controller for air flow 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...

Page 11: ...cessive heating and or fire WARNING Risk of explosion or fire Never short circuit battery 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 Before battery is connected make sure that voltage of battery is higher than 9V s...

Page 12: ...urrent 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 to be correct 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 co...

Page 13: ...he chart battery first loads second and solar module third successively to avoid nominal system voltage identification error Step 2 Confirming power on When controller starts up liquid crystal display LCD displays initialization interface and 2 indicator lamps will be lightened once check if it is correct If there are no above procedures refer to section 5 for troubleshooting Solar Module Fuse Loa...

Page 14: ...rent 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...

Page 15: ... 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 power from the battery In the event that the system load s exceed the solar charge cu...

Page 16: ...tage and complete chemical reaction Equalizing charge increases the battery voltage higher than the standard complement voltage which gasifies the battery electrolyte Every month 28th solar controller will engender equalize charging stage It will remain 120mins when equalize stage is constant or it will remain 180mins when equalize charging accomplishes off and on Equalize charge and boost charge ...

Page 17: ...olar module Over current Measure error of voltage Short of counter attack 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 temp For trouble shooting refer to chapter 5 MENU ENTER Menu Cursor left button Cursor up Number...

Page 18: ...solar module voltage goes above point of DTTV Day Time Threshold Voltage the solar controller will recognize the starting voltage and turn off the load after configurable delay time 2 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 configurable delay time...

Page 19: ...zed it is automatically turned into monitoring interface Press button to turn into main menu 1 interface which displays the following contents Press the button continuously entering into main menu 2 interface which displays the following contents WELCOME VERSION 1 1 1 Monitoring 2 Device Set 3 Parameter Set 4 Load Set MENU 5 Rated Value 6 Factory Reset Inverse cursor showing the contents can be op...

Page 20: ...hows real time voltage and current of solar module Battery voltage and current Press to enter into the following interface which shows real time voltage and current of battery Negative indication with current it means that the battery is in discharging status Positive indication with current it means that the battery is in charging status Battery temperature and battery temperature compensation co...

Page 21: ... and enter into the following interface which indicates real time clock and imaging system status If choose the manual mode with loads press in the interface which can control loads on and off Introductions to system status icons LOAD 12 5V 5 5A Real time clock Day Night Charging Normal Normal UVW LVD ON OFF LVD ENTER Icons indicating battery charging are dynamic effects 12 24 23 ...

Page 22: ...S Break BATT status Equalize Boost Float NoCharge LVD UVW Normal OVD Error OverTemp LOAD status On Off OverLoad Short Error MOS Short DEVICE status Normal OverTemp When fault with inverse cursor appears if the fault still exists 2 minutes after no button pressing operation it is automatically skipped into this page PV Disconnect BATT NoCharge Normal LOAD On DEVICE Normal ...

Page 23: ...en inverse cursor rests at some parameter the contents of the parameter can be modified When modify date and time information press to increase the figure and press to reduce figure When modify LCD backlight working mode push or the automatic switch on and off time of LCD backlight can be set between 00 30 minutes Only when the inverse cursor moves to option of LCD backlight can the modified param...

Page 24: ...s follows After parameters successfully saved it returns to main menu interface If the following prompt occurs when it is being saved it indicates failure of saving and parameters setting is illegal So please verify parameters information Device Set Date 12 05 2011 Time 12 24 23 Backlight 10 Mins Save Cancel Device Set Date 12 05 2011 Time 12 24 23 Backlight 10 Mins Device Set Date 12 05 2011 Time...

Page 25: ...ce and the inverse cursor rests on the position of the first parameter Control voltage setting please in strict accordance with Over Volt Disc Charg Lmt Equal Boost Float Boost V Rect or Under V Rect Under V Warn Low V Disc Discharg Lmt Please refer to chapter 6 control voltage table while setting Temperature compensation coefficient Press or then the inverse cursor moves among every parameters Wh...

Page 26: ... control parameters Parameter Set Over Volt Disc 16 0V Charg Lmt 15 5V Over Volt Rect 15 0V ENTER Parameter Set Equal Chrg 14 6V Boost Chrg 14 4V Float Chrg 13 8V Parameter Set Boost V Rect 13 2V Low V Rect 12 6V Under V Rect 12 2V Parameter Set Under V Warn 12 0V Low V Disc 11 1V Discharg Lmt 10 8V If battery type is GEL the parameters cannot be modified ...

Page 27: ...ameters will be saved or cancelled If choose save cancellation the inverse cursor returns to main menu interface When save confirmation chosen and if the parameters are set reasonably the indication of successful saving will occur as follows After parameters successfully saved it returns to main menu interface Parameter Set Under V Warn 12 0V Low V Disc 11 1V Discharg Lmt 10 8V Parameter Set Under...

Page 28: ...ge it should meet the requirement DTTV Day Time Threshold Voltage NTTV Night Time Threshold Voltage 1V Notice Adjust DTTV OFF first and then NTTV ON Manual control interface Press or to choose load control mode When the inverse cursor rests on Manual in the load control interface press to enter manual control interface which displays the following contents In manual control mode the load will work...

Page 29: ...ce 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 Press or to choose load control mode When the inverse cursor rests on Light On off in the load control interface press to enter light control interface which displays the following contents Manual Control OFF ON Man...

Page 30: ...ss or to choose save confirmation or save cancellation After choosing confirmation press again and the modified parameter can be saved or cancelled When save cancellation is chosen 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 Ligh...

Page 31: ...rse cursor rests on Work Time interface can modification of the parameters be saved When modification is confirmed press and the following picture appears Press or to choose save confirmation or save cancellation After choosing confirmation Press again and the modified parameter can be saved or cancelled When save cancellation is chosen the inverse cursor moves back to the main menu interface Ligh...

Page 32: ...time control interface press to enter into time control interface When press or the inverse cursor moves among every parameters When is continuously pressed it moves back to main menu interface and press or to modify all parameters of time interval 1 When is continuously pressed it will enter into the following interface When press or the inverse cursor moves among every parameters Press or to mod...

Page 33: ...as follows After confirmed press and the following picture appears Press or to choose save confirmation or save cancellation After choosing confirmation press again and the modified parameters can be saved or cancelled When save cancellation is chosen the inverse cursor moves back to the main menu interface Time Control 2 On Time 19 20 00 Off Time 07 00 00 Double Single Time Control 2 On Time 16 3...

Page 34: ...interface with the following contents displayed In the interface battery type and capacity can be modified and the modification range is 1 999AH Press or to modify the relevant parameters After confirmed press and the following picture appears Press or to choose save confirmation or save cancellation After choosing confirmation press again and the modified parameters can be saved or cancelled When...

Page 35: ... cursor moves between the interfaces of main menu 1 and main menu 2 When the inverse cursor rests on 6 Factory Reset in the interface of main menu 1 press and enter into factory reset interface with the following contents displayed Press or to choose whether recover to factory reset Rated Value Batt 12 0 V Load 10 0A PV 10 0A Type Seal Gel Flood Rated Value Batt 12 0 V Load 10 0A PV 10 0A Type Sea...

Page 36: ...ified parameters can be saved or cancelled When save cancellation is chosen 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 Factory Reset NO YES Factory Reset NO YES RESET SUCCESS OK Cancel ENTER ENTER ...

Page 37: ... the controller will result Correct the mistake connection to resume normal operation Battery Reverse Polarity Fully protection against battery reverse polarity no damage to the controller will result Correct the mistake connection 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 d...

Page 38: ...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 Controller is automatically circularly activated so as to reconnect charging circuit Every reactivating is 60 seconds delayed but not limits on number of times Charging and discharging circuit is off and the PV of monitoring interface shows Measure Err MO...

Page 39: ...nection of input and output circuit Charging and discharging circuit is off and the BATT of monitoring interface shows Error Battery voltage inspection fault Please restart controller if the fault still exists immediately cut off charging and discharging circuit and contact the supplier to make maintenance Discharging circuit is off and the LOAD of monitoring interface shows OverLoad Load power su...

Page 40: ...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 the self recovery process Namely ...

Page 41: ...agments 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 Tighten all the terminals Inspect for loose broken or burnt wire connections Check and confirm that LED or LCD is consistent with required Pay attention to any troubleshooting or error indication Ta...

Page 42: ...duct 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...

Page 43: ...60 Charge Circuit Voltage Drop 0 24V Discharge Circuit Voltage Drop 0 16V Self consumption 18mA Communication TTL232 level RJ45 interface Remote temperature sensor interface 2ERJ 3 81 Ground VS 24 Positive to the ground VS 24N Negative to the ground Environmental parameters Working temperature 20 55 Storage temperature 30 80 Enclosure IP30 Mechanical parameters Terminal mm 2 4 10 16 35 35 35 Net w...

Page 44: ...rcuit Voltage Drop 0 24V Discharge Circuit Voltage Drop 0 16V Self consumption 18mA Communication TTL232 level RJ45 interface Remote temperature sensor interface 2ERJ 3 81 Ground VS 48 Positive to the ground VS 48N Negative to the ground Environmental parameters Working temperature 20 55 Storage temperature 30 80 Enclosure IP30 Mechanical parameters Terminal mm2 16 35 35 35 35 Net weight kg 0 7 0 ...

Page 45: ...arging Voltage Upperlimit NC 15 2V 2 24V 4 48V Lowerlimit NC 14 2V 2 24V 4 48V Default NC 14 6V x2 24V 4 48V 14 8V x2 24V 4 48V Boost Charging Voltage Upperlimit 15V 2 24V 4 48V Lowerlimit 13 8V 2 24V 4 48V Default 14 2V x2 24V 4 48V 14 4V x2 24V 4 48V 14 6V x2 24V 4 48V Float Charging Voltage Upperlimit 14 2V 2 24V 4 48V Lowerlimit 13 2V 2 24V 4 48V Default 13 8V 2 24V 4 48V Boost Reconnect Charg...

Page 46: ...ng Limit Voltage Upperlimit 11V 2 24V 4 48V Lowerlimit 10 5V 2 24V 4 48V Default 10 8V 2 24V 4 48V Equalize Duration NC 2 hours Boost Duration 2 hours Hreshold Voltage Parameters DTTV Day Time Threshold Voltage Upperlimit 10V 2 24V 4 48V Lowerlimit 1V 2 24V 4 48V Default 6V 2 24V 4 48V NTTV Night Time Threshold Voltage Upperlimit 10V 2 24V 4 48V Lowerlimit 1V 2 24V 4 48V Default 5V 2 24V 4 48V Tem...

Page 47: ...VS1024 N Dimensions 40 1 57 55 2 16 150 5 9 162 6 38 mm inches 85 3 35 ...

Page 48: ...VS2024 N Dimensions VS2048 N VS3024 N Dimensions 50 1 97 100 3 94 70 2 75 162 6 38 150 5 9 200 7 87 191 7 52 58 2 28 70 2 75 103 4 ...

Page 49: ...VS3048 N VS4024 N Dimensions VS4048 N VS5024 N Dimensions 59 2 32 80 3 15 109 4 29 201 7 91 191 7 52 66 2 6 80 3 15 119 4 68 205 8 07 195 7 68 ...

Page 50: ...VS5048 N VS6024 N Dimensions 67 2 64 90 3 54 129 5 08 195 7 68 205 8 07 ...

Page 51: ...VS6048 N Dimensions 174 64 130 205 195 Φ5 ...

Page 52: ...Westech Solar Energy GmbH Tel 49 89 89545770 Fax 49 89 89545771 E mail info westech energy com Website www westech energy com ...

Reviews: