eTracer series
Contents
1. 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 four sizeable holes in the marked locations Step 5 Secure Controller ss ansnunsnnsenusenseensnensnncenenenecenenensesss 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 Page 10 3 3 Wiring FS FS N NOTE A recommended connection order has been provided for maximum safety during installation NOTE Do not entangle all wiring together communication lines and power lines should be as far away as possible to prevent interfering communication signal transmission NOTE The eTracer is a negative ground controller Any negative connection of solar or battery can be earth grounded as required Grounding is recommended 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 Step 1 Remote Temperature Sensor Connection E A NOTE The controller will not perform temperature compensation for charging parameters if the TS R is not used CAUTION Equipment Damage Never place the temperature sensor inside a battery2. eTracer series Network Maximum Power Point Tracking amp Solar Charge Controller Q AN 3 DAA Models ET2415N ET3415N ET4415N ET64I5N Final interpretation right of the manual belongs to our company Contents Any changes without prior notice 1 0 Important Safety Information 2 0 General Information2 2 1 Overview2 2 2 Models amp Parameters4 2 3 Characteristics5 2 4 Optional Accessories7 3 0 Installation Instructions8 3 1 General Installation Notes8 3 2 Mounting9 3 3 Wiring10 4 0 Operation 15 4 1 MPPT Technology15 4 2 Battery Charging Information17 4 3 LED Indication20 4 4 Display amp Operation21 gt WV WWW v NUN Initialization21 Main Menu21 Monitoring21 Control Para23 System Para26 Network Para27 Clock Set29 Log Info29 gt Modify Psw30 gt Default Sep gt Others32 5 0 Networking amp communication33 5 1 Introduction33 5 2 Setting34 5 3 Other Introductions40 6 0 Protections Troubleshooting amp Maintenance42 6 1 Protections42 6 2 Troubleshooting43 6 3 Maintenance45 7 0 Warranty46 8 0 Specifications47 Curves51 Dimensions53 1 0 Important Safety Information Save these instructions This manual contains important safety installation and operating instructions for eTracer The following symbols are used throughout this manual to indicate potentially dangerous conditions or mark important safety instructions please take care w
3. Battery temperature Default 25 0 C without remotetemp sensor and temperature compensation coefficient will be shown in this interface press to view next interface or press H return to previous interface Press U to view this interface Controller inner temperature Near heat sink and real time clock Y M D H M S will be shown in this interface press D view the first monitoring interface or press to return to previous interface In main menu when inverse cursor stays on the Control Para press OR to enter this interface By pressing SH you can view all parameters in 9 interfaces but no setting In any control para interface not only press ESO to return to main menu but also press to change parameters After pressing a six digit password must be entered before adjusting parameters press lil or i move inverse cursor among six numbers of e Batt Type Batt Rated Volt 12 0V Tip Message Modify OK 1 sword and press or to select the set one when inverse cursor stopping Press or to select modifying parameters or exit input After correct password input inverse cursor appears and you can modify selected para Press or to change it Press to select to change parameter of other interfaces press OK to confirm to save or press BSC to exit setting In left interface battery type includes GEL SEALED and FLOODED Battery rated volta
4. and Equalize Charge Equalize Charging Voltage Parameters will be displayed as corresponding default values after correct system voltage identification Press change value Press o I to move inverse cursor this interface includes Boost Charge Boost Charging Voltage and Float Charge Float Charging Voltage Parameters will be displayed as corresponding default values after correct system voltage identification Press change value Press NN to move inverse cursor this interface includes Boost Volt Rect Boost Voltage Reconnect and Under Volt Revr Under Voltage Warning Recover Voltage Parameters will be displayed as corresponding default values after correct system voltage identification Press PP or change value Press TE to move inverse cursor this interface includes Under Volt Warn Under Voltage Warning Voltage and Low Volt Rect Low Voltage Reconnect Voltage Parameters will be displayed as corresponding default values after correct system voltage identification Page 25 Low Volt Disc Discharge Limit 10 8V Equalize Time 1 Boost Time 180Min Temp Coefficient Bmv C2v System Para Device ID M01 0000 Language XX en Input Psw 000000 Press E or change value Press A EE to move inverse cursor this interface includes Low Volt Disc Low Voltage Disconnect Voltage and Discharge Limit Discharging Limit Voltage Parameters wil
5. 24V x3 36V x4 48V Lower limit 11 6V 12V x2 24V x3 36V x4 48V Default 12V 12V x2 24V x3 36V x4 48V Low Voltage Disconnect Voltage Upper limit 11 8V 12V x2 24V x3 36V x4 48V Lower limit 10 5V 12V x2 24V x3 36V x4 48V Default 11 1V 12V x2 24V x3 36V x4 48V Discharging Limit Voltage Upper limit 11V 12V x2 24V x3 36V x4 48V Lower limit 10 5V 12V x2 24V x3 36V x4 48V Page 50 Default 10 8V 12V x2 24V x3 36V x4 48V Temperature Compensation Coefficient TEMPCO Upper limit 9mV C cell 25 C ref Lower limit 0mV cell 25 ref Default 5mV C cell 25 C ref ET2415N ET3415N ET4415N ET6415N Overall Length 206mm 231mm 285mm 285mm width 203mm 203mm 203mm 203mm height 105mm 105mm 105mm 121mm Mounting Length 150mm 150mm 200mm 200mm width 193mm 193mm 193mm 193mm Net Weight 2 6kg 4 1kg 4 4kg 5 0kg Terminal 35mm 35mm 35mm 35mm Mounting hole 10 M8 dn rure C t iT Ambient Temp Range 25 C 55 C Storage Temp Range 30 C 85 Humidity range 10 90 Altitude Range lt 3000 m Enclosure IP20 Protection Charging over current disconnect Charging over current reconnect Solar short circuit disconnect Page 51 Solar short circuit reconnect Solar polarity reversed protect Battery polarity reversed protect Battery high voltage disconnect Battery high voltage reconnect High temperature disconnect High temperature reconnect PV Power
6. IND SD stp CRRA hap es he H Ro c NEo 20 TAW Log Query Contr Para Set Network Para Set Batt PV Batt Charge Energy RS Local Date Voltage Voltage Current Power us or wm Lag Q v D ned usu 2012 08 17 393 000 0000 0000 0250 0365 051 Normal No Charge 2012 08 20 10 128 0000 000 0000 0000 0250 0274 083 Normal No Charge Xm 0680 048 0070 0000 0250 0282 099 Normal Boost Puce es 1000 042 0060 0000 0250 0371 100 Normal Boost de 0673 005 0015 0000 0250 0261 100 Normal Boost 2012092015 0673 005 0014 0000 0250 0253 100 Nomai Boos RRON 288 0573 004 0014 0000 0250 0267 100 Boost Page NO Last next Input Page NO Cume Gne BTS Vindows Internet x vie 192 168 12 EEF Pi IND sir seo HERG IAG Who kenz we E F erg Bra amp E Sie L Log Query ET Event Log sum Contr Para Set Event Network Para Set Dee Y e ea 2012 08 21 08 ux Over Cur Stat 000 20120821 08 over Cur Over 000 2012 08 21 08 27 50 Over Start 000 2012 08 21 08 GE Over Cur Over 000 2012 08 21 08 20 24 Over Cur Stat 000 2012 08 21 08 33 23 Over Cur Over 000 2012 08 21 08 33 47 Over Cur Stat 000 Page NO 12 KES Input Page NO ES ti hem Page 39 6 Password Click Sand on the left side to enter password modification page After enter the old and new pas
7. boost the solar charge current For example a system may have 8 Amps of solar current flowing into the eTracer and 10 Amps of charge current flowing out to the battery The eTracer does not create current Rest assured that the power into the eTracer is the same as the power out of the eTracer Since power is the product of voltage and current VoltsxAmps the following is true 1 Power Into the eTracer Power Out of the eTracer 0 Volts Inx Amps In Volts OutxAmps Out Assuming 100 efficiency Actually the losses in wiring and conversion exist If the solar module s Vmp is greater than the battery voltage it follows that the battery current must be proportionally greater than the solar input current so that input and output power are balanced The greater the difference between the maximum power voltage and battery voltage the greater the current boost Current boost can be Page 15 substantial in systems where the solar array is of a higher nominal voltage than the battery An Advantage Over Traditional Controllers Traditional controllers connect the solar module directly to the battery when recharging This requires that the solar module operate in a voltage range that is below the module s Vmp In a 12V system for example the battery voltage may range from 11 15Vdc but the module s Vmp is typically around 16 or 17V Figure 4 1 shows a typical current VS voltage output curve for_a nominal 12V off grid modu
8. connect it reliably Refer to 12 port on the controller in the figure 2 1 Ethernet Connection The Ethernet port is a standard RJ 45 connector Use twisted pair cable and RJ 45 plug Connect RJ 45 plug to the port carefully to avoid damaging it Refer to 8 port on the controller in the figure 2 1 Step 4 Power Connection WARNING Risk of electric shock Use fuses or breakers in solar and N battery circuits is recommended and make them keep OFF state before connection WARNING Risk of electric shock Exercise caution when handling AN solar wiring The solar module s high voltage output can cause severe shock or injury Pay more attention for it j WARNING Risk of explosion or fire Never short circuit battery positive and negative or cables Page 13 Battery Connection Connect a fuse in series in the battery circuit and select it according to the controller rated current of 1 25 to 2 times Make it keep OFF state before connection Connect battery negative black to the 15 port and positive red to the 16 port on the controller in the figure 2 1 Solar Module s Connection Connecting a breaker in series in the solar circuit is recommended and select it according to the controller rated current of 1 25 to 2 times Make it keep OFF state before connection Connect solar positive red to the 13 ort and negative black to the 14 port on the controller in the figure 2 1 If you have connected the b
9. connection provides include Monitor the controller from a web browser Modify controller settings from a web browser Create custom web pages to show system data Send a text message if a fault or alarm occurs This section provides a summary of each ofthe features For detailed information about Ethernet connectivity and networking please refer to our website at http www epsolarpv com Connect to the eTracer via an Ethernet network or connect the controller directly to a PC using an Ethernet cross over cable Use CAT 5 or CAT Se twisted pair Ethernet cables with RJ 45 connectors Factory default network Settings DHCP manual Static IP 192 168 1 2 Subnet mask 255 255 255 0 Gateway 192 168 1 1 TCP IP port 80 Web pages Connect the eTracer controller to the network using an Ethernet cable Open a web browser on any PC on the network Enter the IP address of the controller 1192 168 1 2 by default in the address bar of the web browser The eTracer user login webpage will load Links are provided to Real Time Data Ctr Para Set Net Para Set Log Query Password and Help Document pages Pages served by the eTracer Page 34 are ideal for retrieving quick information about the charge controller and making adjustments to network settings However there is no ability to customize the layout or data displayed Also information from multiple controllers cannot be displayed on the same webpage 5 2 Setting Set the
10. eTracer IP address corresponding subnet mask and default gateway and connect to network Enter IP address of equipment at the address bar of browser and then the equipment can be monitored Web monitoring mainly includes such functions as user login real time data control parameters setting network parameters setting log query and password modification etc 1 User login Not all users that are connected into Internet Intranet can browse those data in the system Generally password shouldbe input so as to ensure safety of the system I and if it is right it will display E Enter network password and press the button monitoring page otherwise it will prompt Password Page 35 Input Passvord Windows Internet Explorer Gore 192 168 1 2 ER IND MO FEV CERO IAD pa o ORT tc trout A D e FED Ste IAD Input Network Password log on lt gt 73 B nte w 2 Real Time Data Click on the left side to view real time operating parameters Internet Explorer 192 169 1 2 p IND ena FEV ERO IAD FB he e REU S 9 Real Time Data Real Time Data Contr Para Set Batt Voltage V 0144 Batt State Normal PV Voltage V 0309 Charge State Boost Metwork Para Set Batt Current A 0010 SOC 100 Log Query Charge Power W 0015 Remote Sensor Temp C 0250 Netwo
11. equalize charging 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 Page 19 4 3 LED Indication Charging LED Green ON Charging Green OFF No Charging EA Battery LED Indication Battery status Green ON Normal Orange ON UVW Red ON LVD Red Blink OVD A Fault LED Red OFF Normal Page 20 Red Blink Current Err Over Charging Current PV OVD Over Temp 4 4 Display amp Operation gt Initialization When the controller is powered on the LCD interface Welcome displays the information as shown in the picture It indicates that initialization is normal when the EPsolar interface goes automatically to the monitoring interface Main Menu There are totally 8 menus available with the Monitoring controller as shown in the picture Press 1 Control Para inverse cursor moves among 8 menus Press System Para or to make modifiable parameter increase Network Para or decrease progressively Press or ESC to select modifying or exiting Clock Set Log Info Press _ to view this interface or press f to Modify Psw return to previous interface Default Set Page 21 gt Monitoring Batt Volt 25 3V Batt Curr 7 0A Day s Max V 28 8V Day s Min V 23 5V PV Volt 38 1V Charge State Float Batt SOC 93 Batt State Normal When inver
12. four digit device ID and user can adjust every digit of it There are two languages English and Chinese and all interfaces language will be shown as your selected one This interface will pop out if you input correct password and press DIE to save and the controller will run with new parameters Press TE rE fio change value Press or to move inverse cursor In this interface backlight s ON time range is from 1 minute to 30 minutes the default is 20 minutes means ON all the time Operational log battery voltage or current PV voltage or current etc can be automatically saved to the FLASH at each interval time Setting time is same as backlight time but no setting Press change value Press or to move inverse cursor In this interface serial baud rate is 115200bps or 9600bps and the default is Page 27 gt Network Para Network Type Manual Network Psw 000000 Input Psw 000000 Network Network Psw 000000 Tip Message Modify OK 115200bps In main menu when inverse cursor stays on the Network Para press enter this interface By pressing or you can view all parameters in 5 interfaces but no setting In any network para interface not only press ESO to return to main menu but also press to change parameters After pressing the a six digit password must be entered before adjusting parameters Press or P move
13. Both the TS R and the battery will be damaged The included remote temperature sensor TS R is recommended for effective temperature compensated charging Connect the TS R to the MC1 5 3 81 2L port 109 on the controller see figure 2 1 There is no polarity so either wire or can be connected to either screw terminal Separate installation instruction is provided inside the TS R bag No damage will occur if connect the TS R to the remote battery voltage sense port but the connection will not be recognized Page 11 Step 2 Remote Battery Voltage Sense Connection NOTE When connecting pay attention to 11 port s top and 11 port s bottom The voltage at the battery connection on the controller may differ slightly from the voltage directly at the battery bank terminals due to connection and cable resistance The remote battery voltage sense connection enables the controller to measure the battery terminal voltage precisely with small gauge wires that carry verydittle current and thus have no voltage drop Connect the remote batterysvoltage sense wires to the MC1 5 3 81 4L port 119 on the controller see figure 2 1 Pay attention to and positions A battery voltage sense connection is not required to operate your controller but it is recommended for best performance The voltage sense wires should be cut to length as required to connect the battery to the voltage sense terminal The wire size
14. Conversion Efficiency Curves Illumination Intensity 1000W m Temperature 25 C Test model ET2415N 1 Solar MPP Voltage 17V 34 68V 100V System Voltage 12V 2 Solar MPP Voltage 34V 68 100 System Voltage 24V Efficiency 34V Page 52 68V 100V Power 3 Solar MPP Voltage 68V 100V System Voltage 36V 4 0 Solar MPP Voltage 68V 100 System Voltage 48V Efficiency RC Page 53 68V 100V eT Page 54 Page 53 o o 193 54 Page 55 10 Page 56 ET4415 Dimensions mm Page 57 Ze oy 193 Page 58 ET6415 Dimensions mm Page 59
15. V x4 48V Over Voltage Reconnect Voltage Equalize Charging Voltage Gel NO Gel NO Gel NO Boost Charging Voltage Default 142V 12V x2 24V Upper limit 16V 12V x2 24V x3 36V x4 48V Lower limit 14V 12V x2 24V x3 36V x4 48V Default 15V 12V x2 24V x3 36V x4 48V Upper limit 15 2V 12V x2 24V x3 36V x4 48V Lower limit 14 2V 12V x2 24V x3 36V x4 48V Default Default 14 6V 12V x2 24V 14 8V 12V x2 24V x3 36V x4 48V x3 36V x4 48V Upper limit 15V 12V x2 24V x3 36V x4 48V Lower limit 13 8V 12V x2 24V x3 36V x4 48V Default Default 144V 12V x2 24V 14 6V 12V x2 24V Page 49 x3 36V x4 48V x3 36V x4 48V x3 36V x4 48V Float Charging Voltage Upper limit 14 2V 12V x2 24V x3 36V x4 48V Lower limit 13 2V 12V x2 24V x3 36V x4 48V Default 13 8V 12V x2 24V x3 36V x4 48V Boost Reconnect Charging Voltage Upper limit 13 5V 12V x2 24V x3 36V x4 48V Lower limit 12 7V 12V x2 24V x3 36V x4 48V Default 13 2V 12V x2 24V x3 36V x4 48V Low Voltage Reconnect Voltage Upper limit 13 2V 12V x2 24V x3 36V x4 48V Lower limit 12V 12V 2 24 x3 36V x4 48V Default 12 6V 12V x2 24V x3 36V x4 48V Under Voltage Warning Reconnect Voltage Upper limit 12 6V 12V x2 24V x3 36V x4 48V Lower limit 11 8V 12V x2 24V x3 36V x4 48V Default 12 2V 12V x2 24V x3 36V x4 48V Under Voltage Warning Voltage Upper limit 12 4V 12V x2
16. attery and solar according to the above steps please confirm that there is no loose connections or rror connections There will be no damage to the controllemif battery itself or and solar itself connection reverses due to carelessness Step 5 Power Up NOTE Only use the battery terminals power source to start and operate the controller The controller will not operate only from solar input Confirm that all connections are correct especially the Solar and Battery polarities Turn the battery disconnect fuse on first Observe that whether the battery LED s indicate a successful start up LCD interface initialization correct refer to section 4 0 Confirm battery power up correct and then turn the solar disconnect on If the solar module s is in full sunlight the controller will begin charging Page 14 Ifthe battery LED error exists or LCD interface alarms please refer to section 5 0 for troubleshooting 4 0 Operation 4 1 MPPT Technology The eTracer utilizes Maximum Power Point Tracking technology to extract maximum power from the solar module s The tracking algorithms fully automatic and does not require user adjustment eTracer technology will pack the array maximum power point voltage Vmp as it varies with weather conditions ensuring that maximum power is harvested from the array through the course of the day Current Boost In many cases eTracer MPPT technology will
17. cal display and icons are easy to read and large buttons make navigating the 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 2m of cable and a mounting frame The MT 100 connects to the MC1 5 3 81 4L port 12 on the controller Ber Temperature Sensor Model EH Eet Acquiring of battery temperature for undertaking temperature compensation of control parameters the standard length of the cable is 2m can be customized if want longer The TS R connects to the MC1 5 3 81 2L port 10 on the controller Page 7 3 0 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 near the batteries Explosive battery gasses may be present during charging Be certain there is sufficient ventilation to release the gasses Avoid direct sunlight and do not install in locations where water can enter the controller 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 m
18. can range from 0 25 to 1 0 mm 24 to 16 AWG The maximum length allowed for each battery voltage sense wire is 30m A twisted pair cable is recommended but not required Be careful to connect the battery positive terminal to the voltage sense positive terminal the battery negative terminal to the voltage sense negative terminal No damage will occur if the polarity is reversed but the controller cannot read a reversed sense voltage Connecting the voltage sense wires to the RTS terminals will cause an alarm Step 3 Network Connection 1 WARNING Shock Hazard The network cables and the power conductors must be as far away as possible Le NOTE It is advised to connect the network cables before powering on Page 12 Three kinds of communication are provided as RS 232 CAN BUS and Ethernet You can monitor the controller on your PC or update software through RS 232 connection The controller is allowed to communicate with remote meter MT 100 or our other devices by CAN BUS The controller also can be monitored via the internet Refer to section 6 0 for more information about Ethernet RS 232 Connection The serial RS 232 port is a standard 9 pin DB9 male connector Tighten the screw on both sides of female connector in case that the female connector loosens or falls off when data transmits Refer to 9 port on the controller in the figure 2 1 CAN BUS Connection If you have purchased CAN BUS equipment
19. climates 4 2 Battery Charging Information The eTracer has a 4 stage battery charging algorithm for rapid efficient and safe battery charging Figure 4 2 eTracer charging algorithm Bulk Charge In this stage the battery voltage has not yet reached boost voltage and 10096 of available solar power is used to recharge the battery Boost Charge When the battery has recharged to the Boost voltage setpoint constant voltage regulation 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 Page 17 powered on if it detects neither over discharged nor overvoltage the charging will enter into boost charging stage Float Charge After the Boost voltage stage Tracer will reduce the battery voltage to float voltage setpoint 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 Tracer 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 power from the bat
20. ed repair 4 Damaged occurring during shipment 5 Damage results from acts of nature such as lightning weather extremes 6 Irreclaimable mechanical damage Page 47 8 0 Specifications Electrical EPA A ET2415N ET3415N ET4415N ET6415N Nominal System Voltage 12V 24V 36V 48V dc Nominal Battery Current 20A 30A 45 60 Maximum Solar Input Voltage 150V dc Battery Voltage Range 8 72V dc Maximum Input Power 12V 260 400W 600W 800W 24V 520W 800W 1200W 1600W 36V 780W 1200W 1800W 2400W 48V 1040W 1600W 2400W 3200W Self Consumption 1 4 2 2W Grounding Solar or Battery Negative Terminal Remote Temperature Sensor Port MC1 5 3 81 2L Remote Battery Voltage Sense Port MC1 5 3 81 2L CAN BUS Port MC1 5 3 81 4L Ethernet Port RJ45 Serial RS 232 Port DB9 male connector Settings Charging Stages MPPT Boost Equalize Float Temp Compensation Range 25 C 55 C Temp Compensated Setpoints Equalize Boost Float LVD Page 48 Setpoingts Gel Acid Sealed Acid Flooded Acid Equalize Duration Time Gel NO 60 180 Minutes 60 180 Minutes Boost Duration Time 60 180 Minutes Over Voltage Disconnect Voltage Charging Limit Voltage Upper limit 17V 12V x2 24V x3 36V x4 48V Lower limit 15V 12V x2 24V x3 36V x4 48V Default 16V 12V x2 24V x3 36V x4 48V Upper limit 16V 12V x27 24V x3 36V x4 48V Lower limit 14V 12V x2724V x3 36V x4 48V Default 15 5V 12V x2724V x3 36
21. ge is automatically recognized when controller is powered up just for looking System voltage will beshown as 12 0V 24 0V 36 0V or 48 0V This interface will pop out if you input correct password and press OK to save and the controller will run with new parameters Otherwise it will run with default value if illegal parameter is set You have to look over carefully and repeat setting operation Set control voltage point please in strict accordance with Over Volt Disc gt Charge Limit gt Equalize Charge gt Boost Charge gt Float Charge gt Boost Volt Rect Under Volt Revr gt Under Volt Warn gt Low Volt Disc gt Discharge Limit Please refer to chapter 8 Parameters about control voltage table while setting Over Volt Disc 16 0 Over Volt Rect 15 0V Press to change value Press 1 to move inverse cursor this interface includes Over Volt Disc Over Voltage Disconnect Voltage and Over Volt Rect Over Voltage Reconnect Voltage Parameters will be displayed as corresponding default Page 24 Charge Limit 5 5 Equalize Charge 14 6V Boost Charge Float Charge 13 8V Boost Volt Rect Under Volt Revr 12 2V Under Volt Warn ov Low Volt Rect 12 6V values after correct system voltage identification Press change value Press I to move inverse cursor this interface includes Charge Limit Charging Limit Voltage
22. he JOR a six digit password must be entered before adjusting parameters Press or m move inverse cursor among six numbers of the password and press E Flo select the set one when inverse cursor stopping Press FORT or ESO to select modifying parameters or exit input After correct password input inverse cursor appears and user can modify operation password Press or change value move inverse cursor In this interface input old password firstly and then input expected new password twice This password is the necessary verification for modifying all kinds of parameters The default is Page 31 Tip Message Modify OK gt Default Set Default Yes Set No Input Psw 000000 Default Set 000000 This interface will pop out if you press F RA to saveg and the controller will run with new password In main menu when inverse cursor stays on the Default Set press to enter this interface In left interface not only press 889 to return to main menu but also press OK to restore defaults After pressing a six digit password must be entered before adjusting parameters press JE or move inverse cursor among six numbers of the password and press Flo select the set one when inverse cursor stopping Press or ESO to select modifying parameters or exit input After correct password input inverse cursor appears and user can
23. hen 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 q PP 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 eTracer Do not disassemble or attempt to repair the controller e Mount the eTracer indoors Prevent exposure to the elements and do not allow water to enter the controller Please install controller in ventilated places the temperature of heat sink may be quite high when working Install external fuses breakers as required Disconnect the solar module and fuse breakers near to battery before installing or adjusting the eTracer Confirm that power connections are tightened to avoid excessive heating from loose Page 1 connection 2 0 General Information 2 1 Overview Thank you for selecting the eTracer controller With the features of industrial class product of high efficiency and reliability the controller is a high end product based on multiphase synchronous rectification technology The features are listed below 12V 24V 36V 48V auto work Excellent EMC design thermal design and nature air cool
24. ing The first tracking to the maximum power point of solar modules in 15 seconds or less tracking efficiency of 99 or higher Multiphase synchronous rectification technology impels peak conversion efficiency to 9896 Multiphase power decentralized control can also make small power charging be high effective improve the capacity of generating High speed and performance ofthe double processors architecture improve the response speed and optimize the performance of the system Multiphase control technology optimizes charging current smoothness reduces ripple and improves the system generating efficiency Humanized browser interface 128 64 dot matrix LCD intuitively displays data and state many button combinations for easy operation both Chinese and English interface to choose from RS232 CAN BUS and Ethernet 3 kinds of communication way to meet different Occasions of demand as far as possible Sealed Gel and Flooded battery option Three stages of optimizing charging control Protection over heat over charging PV short circuit and PV battery revered Page 2 The controller features the built in blur intelligent control algorithm that maximizes the energy from the solar module s and charge the battery The controller 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 installat
25. inverse cursor among six numbers of the password and press Flor Elto select the set one when inverse cursor stopping Press or ESO to select modifying parameters or exit input After correct password input inverse cursor appears and you can modify selected para Press or ET to change it press select to change parameter of other interfaces press to confirm to save or press 886 to exit setting 2 kinds of network type are available with left interface which are automatic distribution and manual distribution and it is manual distribution by default Network password is used to login Web monitoring page This interface will pop out if you input correct Page 28 Network Port 0080 Add 000000000000 IP Add 192 168 000 002 Subnet Mask 255 255 255 000 Default Gateway 192 168 000 001 Clock Set Clock Set 2012 Y 03M 05D 13H 45M 58S Input Psw 000000 password and press to save and the controller will run with new parameters Press change value press UT or to move inverse cursor Network port port usually set for default 80 MAC address set for 12 bits of the hexadecimal encoding 0 F note that in the same network each equipment should be set for unique MAC address different from others otherwise communication error will occur Press TE o change value press U or Sta to move inverse cursor IP address usuall
26. ion mistakes or system faults Although the controller is very simple to configure and use please take your time to read the operator s manual and become familiar with the controller This will help you make full use of all the functions and improve your PV system Page 3 2 2 Models amp Parameters Max PV input voltage 150Vdc Standard RS232 CAN BUS and ETHERNET communication interface ET2415N Y Rated continuous charging current 20A Y PV input power 1040W Y 12V 24V 36V 48V system voltage auto work ET3415N Y Rated continuous charging current 30A Y PV input power 1600W Y 12 24 36 48 system voltage auto work ET4415N Y Rated continuous charging current 45A Y PV input power 2400W Y 12V 24V 36V A48V system voltage auto work ET6415N Y lt Rated continuous charging current 60A Y PV input power 3200W v 12V 24V 36V 48V system voltage auto work Page 4 Every time start up the controller system voltage automatically identified do not need your any operation or setting Array voltage should never exceed maximum PV input voltage Refer to the solar module documentation to determine the highest expected array Voc open circuit voltage as defined by the lowest expected ambient temperature for the system location 2 3 Characteristics Page 5 Figure 2 1 Characteristics 1 Heat Sink Inductance and MOSFET of heat through aluminunyhea
27. it may damage the controller PV Overcurrent If charging current is much more than rating the controller will disconnect solar module s So eTracer may not work in the maximum power point if PV current doesn t match with the current rating PV Overvoltage If PV voltage is larger than maximum input open voltage 150V PV will remain disconnected and warn until the voltage falls safely below 145V PV voltage cannot be too high otherwise it may damage the controller PV Polarity Reversed Fully protection against PV reverse polarity no damage to the controller will result Correct the miswire to resume normal operation Battery Polarity Reversed Fully protection against battery reverse polarity no damage to the controller will result Correct the miswire to resume normal operation Overheating Protection If the temperature of the controller heat sinks exceeds 85 C the controller will Page 43 automatically start the overheating protection 6 2 Troubleshooting o Charging LED indicator off during daytime when sunshine falls on solar modules properly Probable Cause Solar modules disconnected Solution Confirm that PV and battery wire connections are correct and tight o Battery LED indicator red flashing LCD displaying Probable Cause Battery voltage larger than over voltage disconnect voltage OVD Solution Check if battery voltage too high and disconnect solar modules o Fault LED indicato
28. l be displayed as corresponding default values after correct system voltage identification Press t 8 to change value Press EIS or ERE to move inverse cursor this interface includes Equalize Time and Boost Time Press change value Press to move inverse cursor in this interface you can adjust temperature compensation coefficient In main menu when inverse cursor stays on the System Para press enter this interface By pressing or you can view all parameters in 3 interfaces but no setting In any system para interface not only press to return to main menu but also press to change parameters After pressing the a six digit password must be entered before adjusting parameters press lil or Mill move inverse cursor among six numbers of the password and press Flor E fo select the set one when inverse cursor stopping Press OK or ESO Page 26 Device ID 01 0000 Language XX Tip Message Modify OK Backlight Time Storage Interval 20Min Serial Baud Rate 15200 bps to select modifying parameters or exit input After correct password input inverse cursor appears and you can modify selected para Press ET o AM to change it Press GE select to change parameter of other interfaces press F RT to confirm to save or press 86 to exit setting Indeft interface the eTracer can be recognized by PC or management unit via the
29. le Current VS Voltage in 12V system Output power in 12 V system eTracer Maximum Maximum Typical Battery Power Voltage Range ae Traditional Point d Controller Operating Range V POWER 10 1517 VOLTAGE 10 1517 VOLTAGE Figure4 1 Nominal 12V Solar Module I V curve and output power graph The array Vmp is the voltage where the product of current and voltage Amps Volts is greatest which falls on the knee of the solar module I V curve as shown in Figure4 1 Because Traditional controllers do not operate at the Vmp of the solar modules s energy is wasted that could otherwise be used to charge the battery and power system loads The greater the difference between battery voltage and the Vmp of the module the more energy is wasted eTracer MPPT technology will always operate at the Vmp resulting in less wasted energy compared to traditional controllers Page 16 Conditions That Limits the Effectiveness of MPPT The Vmp of a solar module decreases as the temperature of the module increases In very hot weather the Vmp may be close or even less than battery voltage In this situation there will be very little or no MPPT gain compared to traditional controllers However systems with modules of higher nominal voltage than the battery bank will always have an array Vmp greater than battery voltage Additionally the savings in wiring due to reduced solar current make MPPT worthwhile even in hot
30. n to main menu After pressing OK again user can select start time and end time to look over warnings at this time period However From time must be ahead of To time or else alarm of Para Error will pop out After selecting From and To time press OK to enter warning interface when at least one warning event occurs In this interface more information is offered warning event sequence number warning event OVD UVW LVD Current Err Over Current Over Temp or PV OVD start or end occurrence time and temporal parameter Press to read warning event of the other interfaces Press ESC to return to main menu Page 30 Explanations OVD Over Voltage Disconnect Voltage battery UVW Under Voltage Warning Voltage battery LVD Low Voltage Disconnect Voltage battery Current Err The charging current in three paths is unbalanced Over Current The charging current is much more than the rating Over Temp Heat sinks operational temperature is quite high PV OVD Solar Voltage is higher than the rating gt Modify Psw Modify Psw Old Psw 000000 New Psw 000000 New Psw 000000 Input Psw 000000 Modify Psw Old Psw 600000 New Psw 000000 New Psw 000000 In main menu when inverse cursor stays on the Modify Psw press to enter this interface In left interface not only press ESQ to return to main menu but also press to change parameters After pressing t
31. new one in time to avoid damaging of the controller and even other equipments Warning Risk of electric shock Make sure that all the power is turned off before above operations and then follow the corresponding inspections and operations Page 46 7 0 Warranty The eTracer 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 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 orimproper use TTN 2 PV current exceeding the ratings of product 3 Unauthorized product modification or attempt
32. obile applications Use with Gel Sealed or Flooded batteries only Page 8 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 Multiple same models of controllers can be installed in parallel on the same battery bank to achieve higher charging current Each controller must have its own solar module s Select the system cables according to 3A mm or less current density 3 2 Mounting NOTE When mounting the eTracer ensure free air through the controller heat Lo sink fins There should be at least 150mm of clearance above and below the controller to allow for cooling If mounted in an enclosure ventilation is highly recommended WARNING Risk of explosion Never install the eTracer in a sealed AN enclose with flooded batteries Do not install in a confined area where battery gas can accumulate Step 1 Choose Mounting Location Locate the eTracer on a vertical surface protected from direct sun high temperature and water Step 2 Check for Clearance Page 9 Place the eTracer 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 SL At least Warm air 150mm At least Cool air 150mm
33. r flashing LCD displaying Current Err Probable Cause Charging current in three paths is unbalanced Solution Disconnect solar modules and restart the eTracer if the fault still exists please contact the supplier to make maintenance o Fault LED indicator flashing LCD displaying Over Current Probable Cause Charging current is much more than the rating Solution Please check whether solar modules match with nominal parameter of the controller When charging current reaches 1 05 1 2 times of the rating eTracer will automatically adjust charging current to the rating or below but not stop or 1 2 times much more than nominal value eTracer will automatically stop charging in 5 seconds Controller is automatically circularly activated so as to reconnect charging Every restarting is 60 seconds delayed but no limit on number of times o Fault LED indicator flashing LCD displaying Over Temp Page 44 Probable Cause Heat sinks operational temperature is quite high to 85 C or above Solution The controller will automatically stop working When the temperature below 75 C the controller will resume to work o Cannot connect to the controller via RS 232 Probable Cause RS 232 serial baud rate setting error or serial USB adapter incorrect configuration Solution Check the following 1 The RS 232 cable is straight through not a Null Modem cross over 2 Whether the selected RS 232 serial baud rate is suited for yo
34. rk Password Energy Gen kWh 0000 Local Sensor 0324 Help Max Batt Voltage V 0144 Min Batt Voltage V 0129 S x nene ANS gt Page 36 3 Ctr Para Set Click on the left side to enter Control Parameter Set page and the system will display the current control parameter configuration Users can also modify control parameters After users modify control parameters and click submit if it is successfully adjusted Save Success will pop out otherwise para will appear Click default control parameters will recover to default values in line with current system voltage Notes Batt Rate Voltage as battery rated voltage is displayed atcording to the real system value itis not changeable If parameter modified in the period is not up to the standard range dialogue box para will pop out and at the same time the parameter will change to the previous value TM 2 Vindows Internet Explorer Oo e 192 169 1 2 x EI IND ene FEV EG IAG pm eps RE A D O TEY 220 IAQ Control Para Set Real Time Data Sal Batt sesecBate Rated Voltage 12 OVDIV 16 BVR V amp 132 Network Para Set 12 Log Query 195 UVWRIV 122 Pone ECVV 1 LVD V 111 BCWV 144 LVRIV Help 138 DLWV 108 Equa Duration Min 120 Boost Duration Min 120 Temp Coefficient S
35. se cursor stays on the Monitoring press F R to enter this interface Battery real time voltage and current will be shown in this interface press H view next interface or press to view the last monitoring interface Press BSG to return to main menu in any monitoring interface Press ii to view this interface Intraday maximum voltage and minimum voltage will be shown in this interface press ii to view next interface or press EG to return to previous interface Press U to view this interface Solar module real time voltage and charging state no charge equalize boost float in 4 states will be shown in this interface press to view next interface or press H return to previous interface Press to view this interface Battery SOC State of charge and battery state Normal UVW LVD OVD in 4 states will be shown in this interface press view next interface or press to return to previous interface Page 22 Generated Energy 0 0WH D PV Power 0 0W Batt Temp 25 5 C Coefficient 5 0mv C 2v Device Temp 25 9 2012 1 10 12 12 12 gt Control Para Batt Type GEL Batt Rated Volt 12 0V Input Psw 000000 Press U to view this interface Intraday solar modules generated energy and solar modules real time power will be shown in this interface press Ea to view next interface or press to return to previous interface press to view this interface
36. select to restore defaults or not Press EBEN move inverse cursor In this interface select Yes to restore defaults or No to cancel and remain current values Page 32 Tip Message Modify OK gt The Others Tip Message Batt UVW Psw Default This interface will pop out if you press to save and the controller will run with your setting In any interface warning window will automatically pop out once warning event occurs as b low OVD UVW Current Err Over Current Over Temp or PV OVD press any key to quit Inspecting it carefully is recommended incase that some potential hazard occurs Press BSC and simultaneously in any interface and user can choose to recover default password or not Press to recover default password or press ESC to remain current password 5 0 Networking amp communication 5 1 Introduction Note Operate IE7 or more advanced version browser and Google browser to monitor eTracer it is recommended for normal work CAUTION Risk of Tampering The eTracer doesn t feature built in network security It is the Page 33 responsibility of the user or network administrator to place the eTracer behind a network firewall to prevent unauthorized access The Ethernet port supports HTTP TCP IP protocols to provide a fully web enabled interface between the eTracer and a LAN network Some of the many features the Ethernet
37. swords the system will judge if the old password is right and if the new passwords entered twice is the same If it is right the system will present Save otherwise D sem Emer will appear Notes The input only supports numbers 0 9 ovs Internet Explorer Gore emi IEEE rit eu sep FRE Sha hena he E SE h 8 SE Ste IAo Set a New Network Password Real Time Data Contr Para Set Current Password Network Para Set New Password beg Query Confirm Password Network Password Submit Help D Q nene far Mum Page 40 Check log data eTracer only records daily data of recent 30 days and it always records standard data as below The space which can be used to record data will reduce with the increase of stored data General data Battery voltage Solar modules voltage Charging current Charging power Intraday energy generated Battery temperature Controller temperature SOC percentage Battery status Charging status Warning Error 5 3 Other Introductions 1 MCI 5 3 81 AL portsupports CAN bus protocol to be used to connect remote meter or controller The remote meter offers features as below Monitor controller status Modify controller parameters Display system data on the screen Error or warning happens displayed on the screen or LED indicator prompts RS 232 port supports user defined serial communication pro
38. t sink to dissipate 2 LCD Data of displaying interface 3 Battery Indicator An LED indicator shows battery Status 4 Charging Indicator An LED indicator shows or not 5 Faults Indicator An LED ind cator shows controller faults 6 Buttons Browse or modify all parameters 7 Serial RS 232 Port DB9 Monitor controller by PC or update software 8 Ethernet Port RJ45 Connect Ethernet monitor controller remotely by network 9 Solar polarity reversed Indicator An LED indicator shows solar modules positive and negative reversed Page 6 10 Remote Temperature Sensor Port MC1 5 3 81 2L Connect RTS Measure battery temperature to make temperature compensation 11 Remote Battery Voltage Sense Port MC1 5 3 81 2L Connect RBVS Measure battery voltage accurately 12 CAN BUS Port MC1 5 3 81 4L Communicate with our other CAN BUS devices 13 Solar Positive Terminal red Connect to solar module s positive terminal 14 Solar Negative Terminal black Connect to solar module s negative terminal 15 Battery Negative Terminal black Connect to battery negative terminal 16 Battery Positive Terminal red Connect to battery positive terminal 2 4 Optional Accessories Remote Meter MEG The digital remote meter displays system operating SE ane SC self diagnostics read out Information is displayed on a backlit LCD display The large numeri
39. tery 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 charging Equalize WARNING Risk of explosion Equalizing flooded battery can produce explosive gases so well ventilation of battery box is necessary NOTE Equipment damage N 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 Page 18 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 th standard complement voltage which gasifies the battery electrolyte The controller will equalize battery every month 28 It will remain according to the set time when equalization is constant or it will remain according to the time of inner calculation when
40. tocol to update controller software Controller can be connected to PC with a cross over serial line Users can Page 41 download from our home page the latest controller program and update software to update controller The way to download program file Turn off controller at first and make updating software on operation which is as follows Program Update Step1 Program File Lof Browse ile Description Step2 Serial Config Serial COM1 Baud QD Click Browse and choose the program file type is LOF If the file is not up to the requirements wrong type uncompleted or error with revision etc it will be prompted via dialogue box popping out On File Description bar the basic information on the file chosen will be displayed Choose communication serial whose baud rate is 115200bps by default and click the button Open Power on the controller It will start downloading program and the progress bar displays the percentage Restart the controller after downloading program Notes In the period of procedure programming if the power is off or disconnected it Page 42 will prompt connect time out 6 0 Protections Troubleshooting amp Maintenance 6 1 Protections PV Short Circuit If PV short circuit occurs eTracer will stop charging Clear it to resume normal operation But PV input cannot exceed 100V otherwise
41. ubmit Detautt xm Q net Ros 4 Net Para Set Click Net Para Set on the left side to enter Network Parameter Set page and the system will display the current network parameter configuration After users modify control parameter and click S M if it is successfully adjusted SAVE SUCCESS Page 37 will pop out otherwise illegal para will appear 2 Vindows Internet Explorer DAR Oo e 192 160 1 2 Ee IND MMD mto vxo IAG he amp LI B A D c 220 IAQ Network Para Set Real Time Data DHCP Static IP Contr Set Para Sef IP Address 102 002 Log Query Netmask 000 Network Password Help Gateway 192 168 oo 001 MAC Address 9 0 25 12 53 28 Submit pa z Q nene Awe 5 Log Query Click Log Query on the left side_to enter Log Query page Users can choose Les or Eventos and after click Submit the system will display all current record page by page Usersyean check records by turning pages Click to turn to the previous page and click N M to tum to the next page Users can also choose to directly jump to any page to check records by entering page No on TAB and click the button of TUB the page No entered should be less than the total page No otherwise it will prompt errors Page 38 Internet Gore DATE m
42. ur device 3 If using a serial USB adapter verify that the adapter software is installed and a serial COM port has been mapped Check the activity light on the USB adapter if it has one If there is no activity the wrong COM port has been chosen or there is a configuration issue with the adapter Page 45 6 3 Maintenance The following inspections and maintenance tasks are recommended at least two times per year for best controller performance eCheck that the controller is securely mounted in a clean and dryjenvironment eCheck that the air flow and ventilation around the controller ismot 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 eTighten all the terminals Inspect for loose broken or burnt wire connections eCheck and confirm that LED or LCD is consistent with required Pay attention to any troubleshooting or error indicationsTake necessary corrective action eConfirm that all the system components are ground connected tightly and correctly Confirm that all the terminals have no corrosion insulation damaged high temperature or burnt discolored sign tighten terminal screws to the suggested torque eInspect for dirt insects and corrosion and clear up eCheck and confirm that lightning arrester is in good condition Replace a
43. y set for 192 168 000 XXX Subnet Mask usually set for default 255 255 255 000 Press Flor change value E to move inverse cursor Default Gateway usually set for 192 168 000 001 In main menu when inverse cursor stays on the Clock Set press to enter this interface In left interface not only press ESQ to return to main menu but also press to change parameters After pressing a six digit password must be entered before adjusting parameters Press or D move inverse cursor among six numbers of the password and press E Flo select the set Page 29 fom ESC Clock Set 20112 Y 03M 05D 13H 45M 585 Tip Message Modify OK gt Log Info Alarm Log Query From 2042 01 030 To 2012Y02M20D Total 00073 NO 00001 00073 UVW Start 2012 01 10 14 32 Para 11 8V one when inverse cursor stopping Press or to select modifying parameters or exit input After correct password input inverse cursor appears and you can adjust time Press to change value Press J lor 7 to move inverse cursor In this interface user can adjust real time clock to the local clock that includes year month day hour minute and second This interface will pop outif you press OK to save and the controller will run with new parameters In main menu when inverse cursor stays on the Log Info press to enter this interface or ESC retur
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