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Material Code
：1.1.24.01459
ML Maximum Power Point Tracking (MPPT) Series
ML2420-ML2430-ML2440
Solar Charge and Discharge Controller
User Manual
ML2420
Model
Battery voltage
Max. solar panel voltage
Charging current
20A
Discharging current
Version: 1.01
The above information is subject to change without prior notice.
ML2430
ML2440
12V/24V
100V(25℃)，90V(-25℃)
30A
40A
20A
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Summary of Contents for MPPT ML2420
- Page 1 ML Maximum Power Point Tracking (MPPT) Series ML2420-ML2430-ML2440 Solar Charge and Discharge Controller User Manual ML2420 ML2430 ML2440 Model Battery voltage 12V/24V 100V(25℃)，90V(-25℃) Max. solar panel voltage Charging current Discharging current Version: 1.01 The above information is subject to change without prior notice.
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Page 2: Table Of Contents
Table of Contents Dear users, Thank you for choosing our product ! 1. Product Introduction 1.1 Product Overview 1.2 Product Features 1.3 Exterior and Interfaces Safety Instructions 1.4 Introduction to Maximum Power Point Tracking Technology 1.5 Charging Stages Introduction 1. As this controller deals with voltages that exceed the top limit for human 2. -
Page 3: Product Introduction
• The controller supports standard Modbus protocol, fulfilling the communication needs of various occasions. of the power from the solar panel. But a solar charge controller featuring MPPT technology can continuously track • The controller employs a built-in over-temperature protection mechanism. When temperature surpasses the set value, arrays' maximum power point so as to get the maximum amount of power to charge the battery. -
Page 4: Charging Stages Introduction
15% to 20% in contrast with the former. As one of the charging stages, MPPT can not be used alone, but has to be used together with boost charging, floating charging, equalizing charging, etc. to complete charging the battery. A complete charging process includes: fast charging, sustaining charging and floating charging. -
Page 5: Product Installation
2) If no calibration has been done to the controller clock, the controller will perform equalizing charging regularly current current diameter (mm2) diameter (mm2) according to its internal clock. ML2420 ML2430 >Floating charging 5 mm When finishing the sustaining charging stage, the controller will switch to floating charging in which the controller ML2440... - Page 6 ① Connecting to external temperature sampling interface Step 1: choose the installation site ② Connecting communication cable Do not install the controller at a place that is subject to direct sunlight, high temperature or water intrusion, ③ Connecting power cable and make sure the ambient environment is well ventilated.
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Page 7: Product Operation And Display
Enter into sub-menu; set/ save Graph Indicator state Charging state Turn on/ off loads (in manual mode) ① Steady on MPPT charging Slow flashing Boost charging ② (a cycle of 2s with on and off each lasting for 1s) Single flashing ③... -
Page 8: Load Mode Setting Interface
3.3.1 Startup interface Mode Descriptions When no sunlight is present, the solar panel voltage is lower than the light control on voltage, and after a time delay, the controller will switch on the Sole light control load; when sunlight emerges, the solar panel voltage will become higher (nighttime on and daytime off) than the light control off voltage, and after a time delay, the controller will switch off the load. -
Page 9: Product Protection Function And System Maintenance
When the controller temperature exceeds the set value, it will decrease the charging power or halt charging. After entering into the setting interface, tap the Set key to switch the menu for setting, and tap the Up or Down key See the following diagram: to increase or decrease the parameter value in the menu. -
Page 10: Product Specification Parameters
1100W/24V 800W/24V delay Equalizing charging 120 minutes —— 120 minutes 0 minutes Conversion efficiency ≤98% duration MPPT tracking efficiency ＞99% Equalizing charging 30 days 0 days 30 days (0 means the equalizing interval Temperature charging function is disabled) -3mv/℃/2V （default ）... -
Page 11: Conversion Efficiency Curve
6. Conversion Efficiency Curve 7. Product Dimensions 6.1 12V System Conversion Efficiency MPPT 12V conversion efficiency (12V battery) Φ Φ 4X 4 4X 10 ML2430/ML2440 Output power（W） Product dimensions：238*173*72.5mm 6X 8 Φ Hole positions：180*147mm Hole diameter：Φ3mm Applicable wire: max. 8 AWG 6.1 24V System Conversion Efficiency...
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