Lumiax MT3010-E-BT, MT4010-E User Manual
Lumiax MT3010-E-BT is a 30A solar charge controller with Bluetooth communication, designed for 12/24V systems up to 780W/1KW. It features an advanced MPPT technology for efficient solar energy conversion, LCD display for easy monitoring, and supports different battery types including Liquid, Gel, AGM, and Lithium. This controller boasts a range of features such as automatic voltage recognition, temperature compensation, and even includes an optional wireless communication for remote monitoring and control.
PDF
Download
Document
Advertisement
Advertisement
www.lumiax.com 1.03.02.10046-1 Lumiax Magic your solar life Magic-E series MPPT Solar Controller 12/24V,30/40A, 390/520/780W/1KW MENU OK User Manual User Manual_Magic-E series_KE CE, Rohs, ISO9001:2015 Subject to change without notice! Contents 1.Safety instructions and waiver of liability ................................................................................................2 1.1 Safety Instructions ................................................................................................................................................................2 1.2 Liability Exclusion ..................................................................................................................................................................2 2.Pruduct Overview .........................................................................................................................................3 3. Dimensions ..................................................................................................................................................4 4. Structure & Accessor y ..............................................................................................................................5 4.1 Structure & Characteristics...........................................................................................................................................5 4.2 Temperaturre Sensor .......................................................................................................................................................6 4.3 RS485 .......................................................................................................................................................................................6 4.4 Optional Accessories .......................................................................................................................................................6 5. Installation ..................................................................................................................................................7 5.1 Installation Notes ..............................................................................................................................................................7 5.2 Mounting Location Requirements ............................................................................................................................7 5.3 Wiring Specifications.......................................................................................................................................................8 5.4 Connection............................................................................................................................................................................8 5.5 Grounding .............................................................................................................................................................................9 6.Operation...................................................................................................................................................10 6.1 LCD Display.........................................................................................................................................................................10 6.2 Key function .......................................................................................................................................................................12 6.3 Parameters setting .........................................................................................................................................................13 7.Protections, Troubleshooting and Maintenance............................................................................15 7.1 Troubleshooting..............................................................................................................................................................15 7.2 Protection ...........................................................................................................................................................................16 7.3 Maintenance......................................................................................................................................................................16 8.Technical Data .............................................................................................................................................17 1 Dear Clients, Thanks for selecting the Magic-E series solar controller. Please take the time to read this user manual, this will help you to make full use of many advantages the controller can provide your solar system. This manual gives important recommendations for installing and using and so on. Read it carefully in your own interest and pay attention to the safety recommendations in it please. 1, Safety instructions and waiver of liability 1.1 Safety Instructions The following symbols are used throughout this manual to indicate potentially dangerous conditions or mark important safety instructions. Please take care when meeting these symbols. WARNING: Indicates a potentially dangerous condition. Use extreme caution when performing this task. CAUTION: Indicates a critical procedure for safe and proper operation of the controller. CAUTION: 1) There are no user serviceable parts inside the controller. Do not disassemble or attempt to repair the controller. 2) Keep children away from batteries and the charge controller. 1.2 Liability Exclusion The manufacturer shall not be liable for damages, especially on the batter y, caused by use other than as intended or as mentioned in this manual or if the recommendations of the batter y manufacturer are neglected. The manufacturer shall not be liable if there has been ser vice or repair carried out by any unauthorized person, unusual use, wrong installation, or bad system design. 2 2, Over view Magic-E series solar controller is based on an advanced maximum power point tracking (MPPT) technology developed, dedicated to the solar system, the controller conversion efficiency up to 98%. It comes with a number of outstanding features, such as: A combination of multiple tracking algorithms enables track the maximum power point quickly and accurately Innovative Max Power Point Tracking(MPPT) technology, tracking efficiency >99.9% Full digital technology, high charge conversion efficiency up to 98% LCD display design, read operating data and working condition easily Real-time energy statistics function 12/24V automatic recognition Liquid, Gel, AGM and Lithium battery for selection The separate ports for remote temperature sensor, make battery temperature compensation more accurate Automatic over-temperature power reduction function Four stages charge way: MPPT, boost, equalization, float Dual automatic restriction function when exceeding rated charging power and charging current Multiple load control modes: Always on, Dusk to Dawn, Evening and Manual IoT wireless communication or Bluetooth communication functions optional Optional APP version for Bluetooth communication With the wireless communication function of the IoT, the controller can be connected remotely through IoT/GPRS. Monthly charging data can be calculated and displayed by grouping and graphs Based RS-485 standard Modbus protocol with RJ11 interface to maximize the communication needs of different occasions Perfect EMC & thermal design Full automatic electronic protect function 2.2 MPPT MPPT profile The full name of the MPPT is maximum power point tracking. It is an advanced charging way which could detect the real-time power of the solar Modulel and the maximum point of the I-V curve that make the highest battery charging efficiency. Current Boost Under most conditions, MPPT technology will "boost" the solar charge current. MPPT Charging:Power Into the controller (Pmax)=Power out of the controller (Pout) Iin x Vmp= Iout x Vout * Assuming 100% efficiency. Actually, the losses in wiring and conversion exist. If the solar module's maximum power voltage (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 Vmp and battery voltage, the greater the current boost. Current boost can be substantial in systems where the solar array is of a higher nominal voltage than the battery as described in the next section. 3 High Voltage Strings and Grid-Tie Modules Another benefit of MPPT technology is the ability to charge batteries with solar arrays of higher nominal voltages. For example, a 12 Volt battery bank may be charged with a 12-, 24-, 36-, or 48-Volt nominal off-grid solar array. Grid-tie solar modules may also be used as long as the solar array open circuit voltage (Voc) rating will not exceed the maximum input voltage rating at worst-case (coldest) module temperature. The solar module documentation should provide Voc vs. temperature data. Higher solar input voltage results in lower solar input current for a given input power. High voltage solar input strings allow for smaller gauge solar wiring. This is especially helpful and economical for systems with long wiring runs between the controller and the solar array. An Advantage Over Traditional Controllers Traditional PWM controllers connect the solar module directly to the battery when recharging. This requires that the solar module operate in a voltage range that is usually below the module's Vmp. In a 12 Volt system for example, the battery voltage may range from 10.8-15 Vdc,but the module's Vmp is typically around 16 or 17V. Because traditional controllers do not always operate at the Vmp of the solar array, 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. I(A) P(W) MPP MPP VI curve VP curve Typical Battery Voltage Range Pmax-Px Px PWM Controller Operating Range 0 10.8V 15V 17V V(V) 0 10.8V 15V 17V V(V) Nominal 12 Volt Solar Module I-V cur ve and output power graph. Contrast with the traditional PWM controller, MPPT controller could play a maximum power of the solar panel so that a larger charging current could be supplied. Generally speaking, the MPPT controller's energy utilization efficiency is 15%~20% higher than PWM controller. Conditions That Limit 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 climates. 2.3 MPPT—Four Charging Stage Magic series controller has a 4-stage battery charging algorithm for rapid, efficient, and safe battery charging. U(V) Equalize Charge 14.8V 14.5V 13.7V Night MPPT Charge Boost Charge Float Charge Night TIME MPPT Charge In this stage, the battery voltage has not yet reached boost voltage and 100% 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 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, the controller 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 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 power from the battery. In the event that the system load(s) exceed the solar charge current, the controller will no longer be able to maintain the battery at the Float setpoint. Should the battery voltage remains below the boost reconnect charging voltage, the controller will exit Float stage and return to Bulk charging. Equalize Charge Certain types of batteries benefit from periodic equalizing charge, which can stir the electrolyte, balance battery voltage and complete chemical reaction. Equalizing charge increases the battery voltage, higher than the standard complement voltage, which gasifies the battery electrolyte. If it detects that the battery is being over discharged, the solar controller will automatically turn the battery to equalization charging stage, and the equalization charging will be 120mins. Equalizing charge and boost charge are not carried out constantly in a full charge process to avoid too much gas precipitation or overheating of battery. WARNING: Risk of explosion! Equalizing flooded batter y can produce explosive gases, so well ventilation of batter y box is necessar y. 3, Dimensions Unit:mm 63 MT3010-E(-BT/IoT) 63 MT4010-E(-BT/IoT) 5.8 25 Φ4.5 255 248 MENU OK 199 4.5 7 24 189 MT4010-E(-BT/IoT) MT3010-E(-BT/IoT) 4 4, Structure & Accessor y 4.1 Structure & Characteristics ①Heat Sink —dissipate controller heat ②Plastic Case —Internal protection ③LCD —Display settings and operating status, system parameters ④Key: MENU、OK Set and view the operating parameters ③ MENU ⑤RJ11 interface —Connecting monitoring devices OK ⑥Temperature Sensor Port —Collect temperature information, Temperature compensation. ⑦ Load Terminals —Connected load. ④ ⑧Battery Terminals —Connect the battery. ⑨Solar module terminals —Connected solar modules. ⑥ ⑨ ⑧ ⑦ ⑤ ② ① 4.2 Temperature Sensor To collect battery temperature data for temperature compensation so the controller can charge the battery. The temperature sensor connected via interface 6. If the external temperature sensor is not connected or damaged, the controller defaults to the internal temperature. The controller is shipped with a temperature sensor of length 80mm. You can choose a temperature sensor with 3 meters, which needs to be purchased separately. 5 4.3 RS485 The charger is equipped with a RS485 port with RJ11 sockets, the RJ11 interface is defined as follows: Pin No. Definition NC 2 NC 3 RS485-A 4 5 RS485-B NC 6 NC 1 2 3 4 5 6 NC NC RS485-B RS485-A NC NC 1 RJ11 for controller !Protocol applicable to this controller: Modbus Communication Protocol V3.9 The RS485 interface on this charger is not galvanically isolated and can not be grounded. Do not short circuit unused pin (Note NC). 4.4 Option Accessories 4.4.1 Bluetooth Communication You have two options: 1.BT inside 2.BT external(Cyber-BT),and it is connected by RJ11 interface. Bluetooth communication has the following characteristics: 1.Support Android mobile phone APP 2.realize wireless monitoring function of solar controller 3.Use high performance, ultra-low power consumption Bluetooth dedicated chip 4.Adopt Bluetooth 4.2 and BLE technology. 5.communication distance up to 10m. 1.This icon in this specification indicates that this solar controller has Bluetooth communication function. 2. Refer to Bluetooth APP instructions for detailed operation of mobile APP. 4.4.2 Wireless Communication of Internet of Things The controller with the Internet of Things wireless communication has the following characteristics: 1.With the wireless communication function of the Internet of Things, the controller can be connected remotely through IoT/GPRS. 2.Various ways of operation can be used for remote monitoring and real-time control through the WeChat APP /PC program. 3.Real-time monitoring of PV voltage, PV charging current, battery voltage, battery current, load voltage, load current and other system parameters and equipment status. 4.real-time automatic fault alarm. 5.Charging and discharging quantities can be counted and displayed by groups monthly. Please contact with our sales about IoT wireless communication information. 6 5, Installation CAUTION: Please read all instructions and precautions in the manual before installing! It is recommended to remove the acrylic protective film covering the LCD screen before installation. 5.1 Installation Notes ⑴The solar charge controller may only be used in PV systems in accordance with this user manual and the specifications of other modules manufacturers. No energy source other than a solar generator may be connected to the solar charge controller. ⑵Before wiring installation and adjustment of controller, Always disconnect the solar modules and insurance or circuit breaker of battery terminal. ⑶Only to comply with the range of the battery charge controller. ⑷Batteries store a large amount of energy, never short circuit a battery under all circumstances. We strongly recommend connecting a fuse directly to the battery to avoid any short circuit at the battery wiring. ⑸Batteries can produce flammable gases. Avoid making sparks, using fire or any naked flame. Make sure that the battery room is ventilated. ⑹Uses insulated tools and avoid placing metal objects near the batteries. ⑺Be very careful when working with batteries. Wear eye protection. Have fresh water available to wash and clean any contact with battery acid. ⑻Avoid touching or short circuiting wires or terminals. Be aware that the voltages on special terminals or wires can be as much as twice the battery voltage. Use isolated tools, stand on dry ground, and keep your hands dry. ⑼Prevent water from entering the internal controller, outdoor installation should avoid direct sunlight and rain penetration. ⑽After installation check that all connections are tight line, avoid heat accumulation caused by virtual access danger. 5.2 Mounting Location Requirements Do not mount the solar charge controller outdoors or in wet rooms. Do not subject the solar charge controller to direct sunshine or other sources of heat. Protect the solar charge controller from dirt and moisture. Mount upright on the wall on a non-flammable substrate. Maintain a minimum clearance of 15cm below and around the device to ensure unhindered air circulation. Mount the solar charge controller as close as possible to the batteries. Mark the position of the solar charge controller fastening holes on the wall, drill 4 holes and insert dowels, fasten the solar charge controller to the wall with the cable openings facing downwards. >15CM WARM AIR MENU OK COOL AIR >15CM 7 5.3 Wiring Specifications Wiring and installation methods must comply with national and local electrical specifications. The wiring specifications of the solar, battery and loads must be selected according to rated currents, and see the following table for wiring specifications: Model Rated charging current Rated discharging current Solar wire diameter (mm²/AWG) Batter y wire diameter (mm²/AWG) Load wire diameter (mm²/AWG) MT3010-E 30A 30A 6/9 6/9 6/9 MT4010-E 40A 30A 10/8 10/8 6/9 ! The wire size is only for reference. If there is a long distance between the PV array and the controller or between the controller and the batter y, larger wires can be used to reduce the voltage drop and improve performance. 5.4 Connection We strongly recommend connecting a fuse directly to the battery to protect any short circuit at the battery wiring. Solar PV modules create current whenever light strikes them. The current created varies with the light intensity, but even in the case of low levels of light, full voltage is given by the modules. So, protect the solar modules from incident light during installation. Never touch uninsulated cable ends, use only insulated tools, and make sure that the wire diameter is in accordance with the expected currents of solar charge controller. Connections must always be made in the sequence described below. MENU OK ⑥ ⑤ ② ④③ ① 8 WARNING: Risk of electric shock! Exercise caution when handing solar wiring. The solar PV array can produce open-circuit voltages in excess of 100V when in sunlight. Pay more attention to it. WARNING: Risk of explosion! Once the battery's positive and negative terminals or leads that connect to the two terminals get short-circuited, a fire or explosion will occur. Always be careful in operation. CAUTION: 1.If no temperature sensor is connected to the controller, the battery temperature value will display the internal temperature. 2.If an inverter is deployed in the system, directly connect the inverter to the battery, and do not connect it to the controller's load terminals. 1st step: Connect the battery Connect the battery connection cable with the correct polarity to the middle pair of terminals on the solar charge controller (with the battery symbol). If the system is 12V, please make sure that the battery voltage is within 8.5V~15.5V, else if the system is 24V, the battery voltage should between 20V~30V. If the polarity is correct, the LCD on the controller will begin to show. 2nd step: Connect the solar module Ensure that the solar module is protected from incident light. Ensure that the solar module does not exceed the maximum permissible input current. Connect the solar module connection cable to the correct polarity of the left pair of terminals on the solar charge controller (with the solar module symbol). 3rd step: Connect loads Connect the load cable to the correct polarity of the right pair of terminals on the solar charge controller (with the lamp symbol). To avoid any voltage on the wires, please connect the wire to the load before connect to the controller. 4th step: Final work Tighten all cables connected to the controller and remove all the debris around the controller (leaving a space of approx. 15 cm). 5.5 Grounding Be aware that the negative terminals of controller are connected together and therefore have the same electrical potential. If any grounding is required, always do this on the negative wires. CAUTION: For common-negative system, such as motorhome, it is recommended to use a common-negative controller; but if in the common-negative system, some common-positive equipment are used, and the positive electrode is grounded, the controller may be damaged. 9 6, Operation 6.1 LCD Display 6.1.1 Status Description Item Icon Status Daytime, not charging Daytime, charging PV array Night PV voltage、 current and ampere hours The total charge ampere hours of the solar panel Batter y capacity Batter y voltage(Programmable LVD) Batter y current Batter y Batter y state of charge(in %) Temperature(Clear Bluetooth Device Password) Batter y type(Programmable) Load voltage(Programmable LVR) Load current and ampere hours The total discharge ampere hours of the load Load Load mode(Programmable) The load is on The load is off Fault ! Fault indication, see 6.1.4 PV array charge ampere hours and load ampere hours are off after power failure。 10 6.1.2 The interface automatically cycles 6.1.3 Press OK to browse the interface 11 6.1.4 Fault indication Status Icon Description Short circuit E1 Load off, fault icon display, load icon flashes, the LCD screen displays E1 Over current E2 Load off, fault icon display, load icon flashes, the LCD screen displays E2 Low voltage E3 Batter y level shows empty, fault icon display, batter y frame flashes, the LCD screen displays E3 Over voltage E4 Batter y level shows full, fault icon display, batter y frame flashes, the LCD screen displays E4 Over temperature E5 The charge and discharge are off, fault icon display, icon ℃ flashing, the LCD screen displays E5 Communication failure E6 Display board failed to obtain controller data, fault icon display, the LCD screen displays E6 E7 C ontroller does not correctly identify system voltage, fault icon display, the LCD screen displays E7 Controller does not correctly identify system voltage 6.2 Key function MENU Mode OK Operating Browse interface Short press OK Static display Press the MENU and OK key at the same time for 1s, the LCD screen will lock the interface. Press the MENU and OK key again for 1s, the LCD interface will unlock and start scrolling. Setting parameter Press the MENU key for 1s to enter the setting mode when the icon appears on the display interface, and exit automatically after 30s Load On/Off When the controller is working in street lamp mode, press the MENU key for 3s to turn on the load, press the MENU key again or 1min later the load will be off. 12 6.3 Parameters setting When the icon appears in the display interface, it means that the parameters can be set. Long press the MENU key for 1s, then icon flashes, press OK to change the parameter. 6.3.1 Low voltage protection When the LCD shows as the left, press the MENU key for 1s, the icon flashes, you can set the controller 's low voltage protection. 1.Lithium Batter y When the batter y type is lithium batter y, the low-voltage protection setting range is 9.0-30.0V (default: 10.6V). 2.Liquid, Gel and AGM Batter y The low voltage protection of the controller can be divided into two types: batter y voltage control and capacity control. ①Batter y voltage control Low voltage protection setting range: 10.8~11.8V/21.6~23.6V(default: 11.2/22.4/V). ②Batter y capacity control Display Low voltage protection range 11.0~11.6V/22.0~23.2V 11.1~11.7V/22.2~23.4V 11.2~11.8V/22.4~23.6V 11.4~11.9V/22.8~23.8V 11.6~12.0V/23.2~24.0V 6.3.2 Low voltage reconnect When the LCD shows as the left, press the MENU key for 1s, the icon flashes, you can set the controller 's low voltage reconnect. 1.Lithium Batter y When the batter y type is lithium batter y, the low-voltage reconnect setting range is 9.6-31.0V (default: 12.0V). 2.Liquid, Gel and AGM Batter y Low voltage reconnect setting range: 11.4~12.8V/22.8~25.6V(default : 11.8/23.6V). The low voltage recover y voltage(LVR) should be higher than the low voltage protection voltage(LVD) at least 0.6/1.2V, if you want to improve LVD, you should first improve LVR. 6.3.3 Clear Bluetooth Device Password When the LCD shows as the left, press the MENU key for 1s, the icon flashes, you can press OK to clear the Bluetooth device password set by the mobile app. For device passwords, please refer to Bluetooth APP instructions. 13 6.3.4 Batter y type When the LCD shows as the left, press the MENU key for 1s,the icon flashes , you can set the batter y type. Display Batter y type GEL(Default) Liquid AGM Lithium 1.Charging Voltage Parameters(Liquid, GEL, AGM) When choosing Liquid, GEL or AGM for batter y type, the parameters of boost, equalization and float charge voltage can be set by mobile phone APP, RS485 or Wechat APP. The range of parameters is as follows. The following voltage parameters are 25℃/12V system parameters, 24/48V system automatically multiplied by 2/4. Charging stage Boost Equalization Charging Voltage Range 14.0~14.8V 14.0~15.0V 13.0~14.5V Default charging voltage 14.5V 14.8V 13.7V Float 2. Charging Voltage Parameters(Li thium ) When choosing lithium batter y type, the overcharge protection and overcharge recover y voltage of lithium batter y can be set by mobile phone APP, RS485 or Wechat APP. Lithium overcharge protection voltage range: 10.0-32.0V (default:14.4V) Lithium overcharge recover y voltage setting range: 9.2-31.8V (default:14.0V) Note: (Overcharge Recovery Voltage+1.5V)≥Lithium Overcharge Protection Voltage≥(Overcharge Recovery Voltage+0.2V) Mobile App does not support parameters beyond this range. Warning: The required accuracy of BMS shall be at least 0.2V. If the deviation is higher than 0.2V, the manufacturer will assume no liability for any system malfunction caused by this. 6.3.5 Load mode When the LCD shows as the left, press the MENU key for 1s, the icon flashes, you can set the load mode. Display Load mode Always on Mode: The load output is always switched on. Dusk to Dawn Mode: The load output is switched on between sunset and sunrise. Evening Mode: The load output will be switched on for 2~9hours after sunset. Manual Mode: The load output can be switched on and off manually by pressing MENU shortly. 1.Always on Mode When the controller is set to always On mode, no matter the charging or discharging state, the load always has output (except the protection state). 14 2.Dusk to Dawn or Evening mode When the load is set to Dusk to Dawn or Evening mode, the Day/Night threshold voltage and the Day/Night delay t ime can be set b y the mobile phone APP, RS485 or Wechat APP, and the load can be turned on or off by the test function during the day charging process. 2.1 Day/Night threshold voltage The controller recognizes day and night based on the solar array open circuit voltage. This day/night threshold voltage can be modified according to local light conditions and the solar array used. Day/Night threshold setting range: 3.0~20.0V(Lithium, default: 8.0V) Day/Night threshold setting range: 3.0~10/6.0~20V(Liquid/Gel/AGM,Default: 8/16V) 2.2 Day/Night delay time In the evening, when the solar array open circuit voltage reaches the setting day/night detect voltage, you can adjust the day/night delay time to make the load turn on a little later. Day/Night delay time setting range: 0~30min(Default : 0min) 2.3 Test Function When the controller is working in Dusk to Dawn or Evening mode, press the MENU key for 3s to turn on the load. Press the MENU key again or the load turns off automatically after 1 minute. If the controller is operating in always on mode, the test function does not work . 3.USE Mode ①If the load mode is selected "USE", you can switch on and off the load output manually by pressing MENU shortly. ②The default switching state of the load in manual mode can be changed by mobile APP , RS485 or Wechat APP. At the same time, the output of the load can be turned on or off. 1.If the controller turns off the load due to low voltage protection、overcurrent protection、short-circuit protection or over temperature protection, the load will turn on automatically when the controller recover ys from protection state. 2.Please note: Pushing the MENU button can still activate the function of the key, even during of the above four kinds protection states. 7, Troubleshooting, Protections and maintenance 7.1Troubleshooting Reason Troubleshooting E1 Short Circuit Switch off all loads, remove short circuit, load will be reconnected after 1 minute automatically E2 Over Current Reduce the load, the controller will resume to work after 1minute. E3 Batter y voltage is too low Load will be reconnected when battery is recharged E4 Batter y voltage is too high Check if other sources overcharge the battery. If not, controller is damaged. E5 Over temperature After the temperature decreases, the controller will work normally E6 Communication failure Reconnect after disconnecting the batter y for about 1 minute and reconnect the Bluetooth device. Faults E7 Batter y can ' t be charged during daytime Batter y voltage is abnormal at start-up Charge or discharge the batter y so that the batter y voltage is within the normal operating range (8.5~15.5V or 20~30V) PV panel fault or reverse connection Check panels and connection wires 15 7.2 Protection Protection Description PV Over Current The controller will limit charging power in rated charge power. An over-sized PV array will not operate at maximum power point. PV Short Circuit When PV short circuit occurs, the controller will stop charging. Remove it to start normal operation. PV Reverse Polarity Fully protection against PV reverse polarity, no damage to the controller. Correct the connection to start normal operation. Batter y Reverse Polarity Fully protection against batter y reverse polarity, no damage to the controller. Correct the connection to start normal operation. Batter y Over voltage If there are other energy sources to charge the batter y, when the batter y voltage exceeds 15.8 / 31.3V, the controller will stop charging to protect the batter y from overcharging damage. Batter y Over discharge When batter y voltage drops to the setting voltage point of low voltage disconnect ,the controller will stop discharging to protect the batter y from over discharging damage. Load Over Current Protection If the load current exceeds the maximum load current rating 1.25 times, the controller will disconnect the load. Load Short Circuit Protection Once the load short circuit happens , the load short circuit protection will start automatically. Over Temperature Protection The controller detects the internal temperature through internal sensor, when the temperature exceeds the setting value, the charging current will lower down followed by the decrease of temperature, so as to control the controller 's temperature rise, when the internal temperature exceeds the setting over temperature protection threshold, the controller stops working and restores after the temperature is lowered. Damaged Remote Temperature Sensor If the temperature sensor is short-circuited or damaged, the controller will be charging or discharging at the default temperature 25℃ to prevent the batter y damaged from overcharging or over discharged. 7.3 Maintenance The following inspections and maintenance tasks are recommended at least two times per year for best performance. Make sure no block on air-flow around the controller. Clear up any dirt and fragments on radiator. Check all the naked wires to make sure insulation is not damaged. Repair or replace some wires if necessar y. Tighten all the terminals. Inspect for loose, broken, or burnt wire connections. Check and confirm that LCD is consistent with required. Pay attention to any troubleshooting or error indication .Take corrective action if necessar y. Confirm 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. Check for dirt, nesting insects and corrosion. If so, clear up in time. 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. 16 8, Technical Data Item Batter y Parameters MT3010-E MT4010-E MT3010-E-BT MT4010-E-BT Max Charging Current 30A 40A 30A 40A System Voltage 12V/24V automatical recognization MPPT Charging Voltage before boost or equalization charging stage Boost Voltage 14~14.8/28~29.6V @25℃(default: 14.5/29V) Equalization Voltage 14~15.0/28~30V@25℃(default: 14.8/29.6V)(Liquid, AGM) Float Voltage 13~14.5/26~39V @25℃(default: 13.7/27.4V) Low Volt. Disconnect 10.8~11.8V/21.6~23.6V, SOC1~5(default: 11.2/22.4V) Reconnect Voltage 11.4~12.8V/22.8~25.6V(default: 12.0/24.0V) Overcharge Protect 15.8/31.3V Max volt on Bat. terminal 35V Temp. Compensation -4.17mV/K per cell (Boost, Equalization), -3.33mV/K per cell (Float) Panel Parameters Load System Parameters Charging target voltage 10.0~32.0V(Lithium, default: 14.4V) Charging recover y voltage 9.2~31.8V(Lithium, default: 14.0V) Low voltage disconnect 9.0~30.0V(Lithium, default: 10.6V) Low voltage reconnect 9.6~31.0V(Lithium, default: 12.0V) Batter y Type Gel, AGM, Liquid, Lithium(default: Gel) Max volt on PV terminal *1 100V(-20℃), 90V(25℃) Max input power 390/780W Day/Night threshold 8.0/16.0V 520/1040W 390/780W MPPT tracking range (Battery Voltage + 1.0V)~Voc*0.9 Output Current 30A *2 Load mode Always on, Street Lamp, Evening, Manual Max tracking efficiency >99.9% Max charge conversion 98.0% Dimensions 189 * 255 * 63mm Weight 1.3Kg Self consumption ≤8mA(12V); ≤12mA(24V) 1.5Kg 520/1040W 1.3Kg 1.5Kg Communication RS485(RJ11 interface) BLE, RS485(RJ11 interface) Optional Cyber-BT, IoT IoT Grounding Common Negative Power terminals 6AWG(16mm²) Ambient temperature -20 ~ +55℃ Storage temperature -25 ~ +80℃ Ambient humidity 0 ~ 100%RH Protection degree IP32 Max Altitude 4000m *1.This value represents the maximum voltage of the solar panel at the minimum operating ambient temperature. *2.Voc means the open circuit voltage of the solar panel. *3.Around oblique line value separately on behalf of 12V/24V system's value. 17 9.Conversion Efficiency Cur ves Test conditions:lumination intensity: 1000W/m² Temperature: 25℃ Model:MT3010-E(-BT/IoT) 12V Conversion Efficiency Curves Solar Module MPP Voltage 17V/34V Conversion Efficiency(%) 99 98 17V 97 34V 96 95 94 93 92 0 40 80 120 160 200 240 280 320 360 390 Charging Power(W) Conversion Efficiency(%) 24V Conversion Efficiency Curves Solar Module MPP Voltage 34V / 51V 99 98 34V 97 51V 96 95 94 93 92 0 80 160 240 320 400 480 560 640 720 780 Charging Power(W) 18 Model:MT4010-E(-BT/IoT) Conversion Efficiency(%) 12V Conversion Efficiency Curves Solar Module MPP Voltage 17V/34V 99 98 17V 34V 97 96 95 94 93 92 0 40 80 120 160 200 240 280 320 360 400 440 480 520 800 880 960 1040 Charging Power(W) Conversion Efficiency(%) 24V Conversion Efficiency Curves Solar Module MPP Voltage 34V / 51V 99 98 34V 97 51V 96 95 94 93 92 0 80 160 240 320 400 480 560 640 720 Charging Power(W) 19 ">

Public link updated
The public link to your chat has been updated.
Advertisement
Key features
- 30A charging current
- MPPT technology
- Bluetooth communication
- LCD display
- 12/24V automatic recognition
- Temperature compensation
- Multiple battery types
Frequently asked questions
Connect the solar module connection cable to the left pair of terminals on the controller, ensuring the correct polarity (positive and negative). Make sure the module is protected from sunlight during installation.
This controller supports Liquid, Gel, AGM, and Lithium battery types. You can select the battery type from the LCD menu.
Always On mode keeps the load switched on constantly. Dusk to Dawn mode activates the load during sunset and sunrise. Evening mode turns on the load for 2-9 hours after sunset.