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MPPT Solar Charge Controller

User Manual

Models:

MAX-M2024
MAX-M3024
MAX-M4024

Содержание MAX-M2024

Страница 1: ...MPPT Solar Charge Controller User Manual Models MAX M2024 MAX M3024 MAX M4024 ...

Страница 2: ...s inside the controller DO NOT disassemble or attempt to repair the controller Mount the controller indoors Prevent exposure to the elements and do not allow water to enter the controller Install the controller in a well ventilated place The controller s heat sink may becomevery hot during operation It is suggested to install appropriate external fuses breakers Make sure to switch off all PV array...

Страница 3: ... 2 Installation Instructions 7 2 1 General Installation Notes 7 2 2 PV Array Requirements 7 2 3 Wire Size 9 2 4 Mounting 10 3 Operation 14 3 1 Button 14 3 2 Interface 14 3 3 Setting 16 4 Protections Troubleshooting and Maintenance 20 4 1 Protection 20 4 2 Troubleshooting 21 4 3 Maintenance 21 5 Technical Specifications 23 Annex I Conversion Efficiency Curves 25 Annex II Dimensions 28 ...

Страница 4: ...rging and over discharging protection to minimize damages to components of the system caused by incorrect installation or system failure at the utmost and effectively ensure safer and more reliable operation of the solar power supply system for a longer service time This modular solar controller can be widely used for different applications e g Communication base stations household systems and fie...

Страница 5: ...or is short circuited or damaged the controller will charge or discharge at the default temperature setting of 25 ºC 1 4 Maximum Power Point Tracking Technology Due to the nonlinear characteristics of solar array there is a maximum energy output point Max Power Point on its curve Traditional controllers with switch charging technology and PWM charging technology can t charge the battery at the max...

Страница 6: ...ry voltage VBat battery current IBat Normally the VMpp is always higher than VBat Due to the principle of conservation of energy the IBat is always higher than IPV The greater the discrepancy between VMpp VBat the greater the discrepancy between IPV IBat The greater the discrepancy between array and battery the bigger reductionof the conversion efficiency of the system thus the controller s conver...

Страница 7: ...oint which may waste most solar energy resources and seriously affect the normal operation of the system The typical MPPT algorithm designed by our company can track the real MPP quickly and accurately improvethe utilization rate of the array and avoid the waste of resources 1 5 Battery Charging Stage The controller has a 3 stages battery charging algorithm Bulk Charging Constant Charging and Floa...

Страница 8: ...hat all load allowable input voltages are 11 greater than the equalizing charging set point voltage CAUTION Equipment damage Over charging and excessive gas precipitation may damage the battery plates and activate material shedding on them Too high an equalizing charge or for too long may cause damage Please carefully review the specific requirements of the battery used in the system Some types of...

Страница 9: ...er voltage and current It will reduce the temperature of the battery and prevent the gassing and 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 charging stage loads are able to obtain almost all power from solar panel ...

Страница 10: ...amps to secure cables and prevent them from swaying in mobile applications Lead acid battery and lithium battery are recommended other kinds please refer to the batterymanufacturer 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 ...

Страница 11: ... prevent damages to the controller due to the connection of some over specification PV modules The actual operation of PV array is as follows Condition 1 Actual charging power of PV array Rated charging power of controller Condition 2 Actual charging current of PV array Rated charging current of controller When the controller operates under Condition 1 or Condition 2 it will carry out the charging...

Страница 12: ...recommended maximum power of PV array for this controller please refer to the table below Model Rated Charge Current Rated Charge Power Max PVArray Power Max PV open circuitvoltage MAX M2024 20A 260W 12V 520W 24V 390W 12V 780W 24V 92V 100V MAX M3024 30A 390W 12V 780W 24V 580W 12V 1170W 24V MAX M4024 40A 520W 12V 1040W 24V 780W 12V 1560W 24V At 25 environmenttemperature At minimum operating environ...

Страница 13: ...24 30A 30A 10mm2 8AWG 10mm2 8AWG MAX M4024 40A 40A 16mm2 6AWG 16mm2 6AWG CAUTION 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 battery larger wires can be used to reduce the voltage drop and improve performance CAUTION For the battery the recommended wire will be selected according to the conditions that it...

Страница 14: ...eliable heat dissipation through the box Figure 2 1 Mounting Step 1 Determination of Installation Location and Heat dissipation Space Determination of installation location The controller shall be installed in a place with sufficient air flow through the radiators of the controller and a minimum clearance of 150 mm from the upper and lower edges of the controller to ensure natural thermal convecti...

Страница 15: ...he load side of the controller Step 3 Grounding MAX series is a common negative controller where all the negative terminals of PV array battery and load can be grounded simultaneously or any one of them will be grounded 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 ground...

Страница 16: ...ller the default setting for battery charging or discharging temperature is 25 C without temperature compensation Step 5 Powered on the controller Closing the battery fuse will switch on the controller Then check the status of the battery indicator the controller is operating normally when the indicator is lit in green Close the fuse and circuit breaker of the load and PV array Then the system wil...

Страница 17: ...ess the ENTER button Browsing Mode Press the SELECT button Setting Mode Press the ENTER button and hold on 5s to enter the setting mode Press the SELECT button to set the parameters Press the ENTER button to confirm the setting parameters or exit the setting mode automatically after 10s 3 2 Interface 1 Icon Item Icon Status PV array Day 14 ...

Страница 18: ...l shows empty battery frame blink fault icon blink Batteryover voltage Battery level shows full battery frame blink fault icon blink Batteryover temperature Battery level shows current value battery frame blink fault icon blink Loadfailure Load overload Load shortcircuit When load current reaches1 02 1 05 times 1 05 1 25 times 1 25 1 35 times and 1 35 1 5 times more than nominal value controller w...

Страница 19: ...he ENTER button and hold 5s under the PV power interface and the value is flashing Step 2 Press the ENTER button to clear the generated energy 2 Switch the battery temperatureunit Press the ENTER button and hold 5s under the battery temperature interface 3 Battery type Battery type 16 ...

Страница 20: ...age Control Parameters Below parameters are in 12V system at 25 ºC please double the values in 24V system Batterytype Voltage Sealed Gel Flooded User Over Voltage Disconnect Voltage 16 0V 16 0V 16 0V 9 17V Charging Limit Voltage 15 0V 15 0V 15 0V 9 17V Over Voltage Reconnect Voltage 15 0V 15 0V 15 0V 9 17V Equalize Charging Voltage 14 6V 14 8V 9 17V Boost Charging Voltage 14 4V 14 2V 14 6V 9 17V F...

Страница 21: ...t Voltage The following rules must be observed when modifying the parameter values in User for lithium battery Ⅰ Over Voltage Disconnect Voltage Over charging protection voltage Protection CircuitModules PCM 0 2V Ⅱ Over Voltage Disconnect Voltage Over Voltage Reconnect Voltage Charging Limit Voltage Equalize Charging Voltage Boost Charging Voltage Float Charging Voltage Boost Reconnect Charging Vo...

Страница 22: ...1 hour before sunrise 102 Load will be on for 2 hours since sunset 202 Load will be on for 2 hours before sunrise 103 113 Load will be on for 3 13 hours since sunset 203 213 Load will be on for 3 13 hours before sunrise 114 Load will be on for 14 hours since sunset 214 Load will be on for 14 hours before sunrise 115 Load will be on for 15 hours since sunset 215 Load will be on for 15 hours before ...

Страница 23: ...e battery temperature through an external temperature sensor The controller stops working when its temperature exceeds 65 C and begins working when its temperature is below 55 C Lithium Battery Low Temperature When the temperature detected by the optional temperature sensor is lower than the Low Temperature Protection Threshold LTPT the controller will stop charging and discharging automatically W...

Страница 24: ...ller Batteryover voltage Battery level shows full battery frame blink fault icon blink Check if battery voltage is higher than OVD overvoltage disconnect voltage and disconnect the PV Batteryover discharged Battery level shows empty battery frame blink fault icon blink When the battery voltage is restored to or above LVR low voltage reconnect voltage the load will recover Battery Overheating Batte...

Страница 25: ...ed 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 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 equipment...

Страница 26: ...2V Default Grounding Common negative RS485 interface 5VDC 100mA LCD backlight time 60S Default When a lead acid battery is used the controller hasn t the low temperature protection At minimum operating environment temperature At 25 environment temperature When a lithium ion battery is used the system voltage can t be identified automatically Environmental Parameters Working environment temperature...

Страница 27: ...AX M4024 Dimension 220x154x 52mm 228x164x55mm 252x180x63mm Mounting dimension 170x145mm 170x164mm 210x171mm Mounting hole size Φ5mm Terminal 6AWG 16mm2 6AWG 16mm2 6AWG 16mm2 Recommende d cable 10AWG 6mm2 8AWG 10mm2 6AWG 16mm2 Weight 0 94kg 1 26kg 1 65kg ...

Страница 28: ...ersion Efficiency Curves Illumination Intensity 1000W m2 Temp 25ºC Model MAX M2024 1 Solar Module MPP Voltage 17V 34V Nominal System Voltage 12V 2 Solar Module MPP Voltage 34V 45V 68V Nominal System Voltage 24V 25 ...

Страница 29: ...Model MAX M3024 1 Solar Module MPP Voltage 17V 34V Nominal System Voltage 12V 2 Solar Module MPP Voltage 34V 45V 68V Nominal System Voltage 24V 26 ...

Страница 30: ...Model MAX M4024 1 Solar Module MPP Voltage 17V 34V Nominal System Voltage 12V 2 Solar Module MPP Voltage 34V 45V 68V Nominal System Voltage 24V 27 ...

Страница 31: ...28 Annex II Dimensions MAX M2024 Unit mm 28 ...

Страница 32: ...29 MAX M3024 Unit mm 29 ...

Страница 33: ...30 MAX M4024 Unit mm 30 Any changes without prior notice Version number 1 0 ...

Страница 34: ...Conheça toda nossa linha de controladores de carga ...

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