marvelTech MC4860 Series User Manual

marvelTech MC4860 Series User Manual

Mppt solar charge controller

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MC4860 series
MPPT Solar Charge Controller
——
User Manual
Models:
MC4860

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Summary of Contents for marvelTech MC4860 Series

  • Page 1 MC4860 series MPPT Solar Charge Controller —— User Manual Models: MC4860...
  • Page 3 Important Safety Instructions Please reserve this manual for future review. This manual contains all instructions of safety, installation and operation ofMC series controller("the controller"is referredin this manual). General Safety Information  Read all the instructions and warnings carefully before installation. ...
  • Page 4: Table Of Contents

    Contents 1 General Information ..................1 1.1 Overview ..................... 1 1.2 Characteristics ..................2 1.3 Accessories (Included) ................ 3 1.4 Accessories (optional) ................. 4 2 Installation ..................... 5 2.1 General Installation Notes ..............5 2.2 PV Array Requirements ............... 5 2.3 Wire Size .....................
  • Page 5: General Information

    1 General Information 1.1 Overview MC series controller, based on multiphase synchronous rectification technology (MSRT) and advanced MPPT control algorithm, with dual-core processor architecture and common negative design, has the features of high response speed, high reliability, and high industrial standard.
  • Page 6: Characteristics

     Auto-control of utility and generator relay design  Utility or generator auto-control relays make it easy to compose the hybrid power system  The remote temperature and the voltage sensor design willcollect accurate data of battery temperature and voltage ...
  • Page 7: Accessories (Included)

    (2) Connect for a RTS (Remote Temperature Sensor) to remotely detect battery temperature, sample distance less than 20m. CAUTION: If the temperature sensor is short-circuited or damaged, the controller will charge or discharge at the default temperature setting of 25 º C. (3) When connect the controller to external devices, only one of the ports can be used;...
  • Page 8: Accessories (Optional)

    WARNING: The Battery Voltage Sensor Terminal and Load Control Delay Terminal should not mix, otherwise the controller may be damaged. 1.4 Accessories (optional) Acquisition of battery temperature for undertaking temperature compensation of control parameters, the standard length of the cable is 3m (length can be customized). Remote Temperature Sensor The RTS300R47K3.81A connects to the port ❽...
  • Page 9: Installation

    2Installation 2.1 General Installation Notes  Before installation, please read through the entire installation instructions to get familiar with the installation steps.  Be very careful when installing the batteries, especially flooded lead-acid battery. Please wear eye protection, and have fresh water available to wash and clean if any contact with battery acid.
  • Page 10 72cell Voc<46V 96cell Voc<62V Thin-Film Module System voltage Voc>80V MAX. Best MAX. Best NOTE: The above parameter values are calculated under standard test conditions (STC ,Module Temperature 25℃,Air Mass1.5.) (Standard Test Condition):Irradiance 1000W/m (2)PV array maximum power The MPPT controller has the function of current/power-limiting, that is, during the charging process, when the charging current or power exceeds the rated charging current or power, the controller will automatically limit the charging current or power to the rated charging current or power, which can effectively protect the charging parts of controller, and prevent damages to...
  • Page 11: Wire Size

    please refer to the table below: Rated Charge Rated Charge Max. PV Max. PV Open Item Current Power Power Circuit 750W/12V 1125W/12V ① 150V 1500W/24V 2250W/24V MC4860 2250W/36V 3375W/36V ② 138V 3000W/48V 4500W/48V ①At minimum operating environment temperature ②At 25℃ environment temperature 2.3Wire Size The wiring and installation methods must conform to all national and local electrical code requirements.
  • Page 12: Relay Instruction

    * Model Max. PV input current Max. PV wire size MC4860 16mm /6AWG *These are the maximum wire sizes that will fit the controller terminals. CAUTION: When the PV modules connect in series, the open circuit voltage of the PV array must not exceed/138V(MC**60)at 25℃...
  • Page 13 CAUTION:The V and V can be set via the PC software,the Battery Control Voltage Parameters refer to the chapter 3.4 Setting. 2) Control the load first disconnection and second disconnection. Battery Voltage (V Under Voltage Warning Voltage (V Under Voltage Warning Recover Voltage (V UVWR Low Voltage Disconnect Voltage(V Low Voltage Reconnect Voltage(V...
  • Page 14: Mounting

    Refer to the below the diagram: 2.5Mounting WARNING: Do not reverse the polarity of the batteries. Reverse polarity will damage the charge controller permanently. Damage caused by reverse polarity, is not covered by warranty. WARNING: Risk of explosion! Never install the controller in a sealed enclose with flooded batteries! Do not install in a confined area where battery gas can accumulate.
  • Page 15 Step 2:Remove the terminal protective cover Step3:Connect the battery❶(Left) and PV❷(Right) NOTE:Disconnect the system in the reverse order. WARNING: Do not reverse the polarity of the batteries. Reverse polarity will damage the charge controller permanently. Damage caused by reverse polarity, is not covered by warranty. CAUTION:While wiring the controller do not turn on the breaker or fuse and make sure that the leads of "+"...
  • Page 16 One controller:...
  • Page 17 Multiple controllers:...
  • Page 18 Step 4:Grounding MC series is a common-negativecontroller, if any of one negative is grounded, all the negative terminals of PV, Battery will be grounded simultaneously. However, according to the practical application, all the negative terminals of PV array, battery and load can also be ungrounded, but the grounding terminal on its shell must be grounded, which may effectively shield the electromagnetic interference from the outside, and prevent some electric shock to human body due to the electrification of the shell.
  • Page 19: Operation

    3Operation 3.1Indicator Color Status Instruction Indicator PV connection normal but low Green On Solid voltage(irradiance) from PV, no charging No PV voltage(night time) or Green PV connection problem Charging LED indicator Green Slowly Flashing In charging Green Fast Flashing PV over voltage NOTE:The fault indicator refer to the chapter 3.3 ”Fault Indication”.
  • Page 20: Lcd Display

    3.3LCD Display  Status Description Item Icon Status Night No charging PV array Charging PV Voltage, Current, Power Battery capacity, In Charging Battery Battery Voltage, Current, Temperature Battery Type Load control delay turn ON Load Load control delay turn OFF ...
  • Page 21: Setting

    Fault charging Status Icon Description indicator indicator Battery level shows empty, Battery over —— battery frame blink, fault discharged on solid icon blink. Battery level shows full, Battery over —— battery frame blink, fault slowly voltage icon blink. flashing Battery level shows current Battery over ——...
  • Page 22  Battery Control Voltage Parameters The parameters are in 12V system at 25 º C, please double the values in 24V system andquadruple the values in 48V system. Battery charging setting Sealed Flooded User Over Voltage Disconnect Voltage 16.0V 16.0V 16.0V 9~17V Charging Limit Voltage...
  • Page 23: Protections, Troubleshooting & Maintenance

    4Protections, Troubleshooting & Maintenance 4.1 Protections WARNING: Do not reverse the polarity of the batteries. Reverse polarity will damage the charge controller permanently. Damage caused by reverse polarity, is not covered by warranty. When the charging current or power of the PV array exceeds the controller’s rated current or power, it will be charge PV Over at the rated current or power.
  • Page 24: Troubleshooting

    4.2Troubleshooting Faults Possible reasons Troubleshooting The LED&LCD is off during daytime when Confirm that PV and battery wire PVarray disconnection sunshine falls on PV connections are correct and tight modules properly Please check the voltage of Battery voltage is lower Wire connection is battery.
  • Page 25  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.  Check and confirm that lightning arrester is in good condition. Replace a new one in time to avoid damaging of the controller and even other equipments.
  • Page 26: Specifications

    5 Specifications Electrical Parameters Item/MC****60 MC4860 Nominal System Voltage 12/24/36/48VDC orAuto 8V~68V Battery Input Voltage Range Battery Type Sealed(Default)/Gel/Flooded/User Battery fuse 80A/58V Rated charge current 750W/12V Rated charge Power 1500W/24V 2250W/36V 3000W/48V ① 150V Max. PV open circuit voltage ② 138V (Battery Voltage +2V) MPP Voltage Range...
  • Page 27 Environmental Parameters Ambient temperature range -25℃~+60℃(Derate above 45℃) LCD temperature range -20℃~+70℃ Storage temperature range -30℃~+85℃ Relative humidity range 5% to 95% (N.C.) Enclosure IP20 Pollution degree Mechanical Parameters Item MC4860 Dimension 340×236×119mm Mounting dimension 260×224mm Φ7 Mounting hole size Terminal 2AWG/35mm Recommended cable...
  • Page 28: Annex Idimensions

    Annex IDimensions MC4860 Dimensions(Unit:mm) Any changes without prior notice! Version number:V1.4...

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