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Code:103757
ML Maximum Power Point Tracking (MPPT) Series
ML4860N15
Solar Charge and Discharge Controller
User Manual
ML4860N15
Model
Batter y voltage
12V/24V/36V/48V
Max. solar panel voltage
150V (25°C), 145V (-25°C)
Max. input power
800W/12V; 1600W/24V; 2400W/36V; 3200W/48V
Charging current
60A
Discharging current
20A
Specification version number :V1.02
If there is any change, without notice
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Summary of Contents for Srne ML4860N15
- Page 1 ML Maximum Power Point Tracking (MPPT) Series ML4860N15 Solar Charge and Discharge Controller User Manual ML4860N15 Model Batter y voltage 12V/24V/36V/48V Max. solar panel voltage 150V (25°C), 145V (-25°C) Max. input power 800W/12V; 1600W/24V; 2400W/36V; 3200W/48V Charging current Discharging current Code:103757 Specification version number :V1.02...
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Page 2: Table Of Contents
Dear users, Table of Contents Thank you for choosing our product! 1. Product Introduction 1.1 Product Over view Safety Instructions 1.2 Product Features 1.3 Exterior and Interfaces 1.4 Introduction to Maximum Power Point Tracking Technology 1. As this controller deals with voltages that exceed the top limit for human safety, 1.5 Charging Stages Introduction do not operate it before reading this manual carefully and completing safety 2. -
Page 3: Product Introduction
1. Product Introduction 1.3 Exterior and Interfaces 15 Battery Sampling 1.1 Product Over view This product can keep monitoring the solar panel's generating power and tracking the highest voltage No. Definition and current values (VI) in real time, enabling the system to charge the batter y in maximum power. It's designed to be used in off-grid photovoltaic systems to coordinate operation of the solar panel, batter y and load, functioning as the core control unit in off-grid photovoltaic systems. -
Page 4: Charging Stages Introduction
Take a 12V system as an example. As the solar panel's peak voltage (Vpp) is approximately 17V 1.5 Charging Stages Introduction while the batter y's voltage is around 12V, when charging with a conventional charge controller, the As one of the charging stages, MPPT can’t be used alone, but has to be used together with solar panel's voltage will stay at around 12V, failing to deliver the maximum power. -
Page 5: Product Installation
>15 <5 No requirements ML4860N15 2) If no calibration has been done to the controller clock , the controller will perform equalizing charging regularly according to its internal clock . Floating charging 2.3 Installation and Wiring... -
Page 6: Product Operation And Display
Step 1: choose the installation site Connecting to external temperature sampling interface and connecting batter y voltage Do not install the controller at a place that is subject to direct sunlight, high temperature or compensation cable water intrusion, and make sure the ambient environment is well ventilated. Connecting communication cable ... -
Page 7: Key Operations
PV array indicator: 3.3 LCD Display and Operations 3.3.1 Menu Block Diagram Real-time Main menu monitoring Load mode Parameters BAT indicator : setting 485：communication LOAD indicator : Statistic data Load state Load turned off Load overloaded/ short-circuited Load functioning normally Historical data of ERROR indicator : the current day... -
Page 8: Main Menu
3.3.2 Main Menu 3.3.3 Real-Time Monitoring (This menu is contained in and supplementary to information of the main menu) In the "main menu", tap " " to enter into this menu; continue to tap " " to switch between Battery icon and SOC menus;or tap "... -
Page 9: Parameter Settings
3.3.4 Parameter Settings System voltage indication Setting icon Battery type indication Parameter settings list AUTO/SLD Menu level Page Item to set Displayed item/ Parameter and setting range Remarks parameter BST:14.4V Boost charging voltage 14.4V Over-discharge voltage 11.0V “ 12V”12Vsystem LVD:11.0V “24V”24Vsystem Battery system BatSysVol ：... -
Page 10: Load Mode
3.3.8 Load Mode Menu level Page Displayed item/ parameter Description C-chg： Total charging amp-hrs C-lod： Total discharging amp-hrs E-chg： 0KWH Total power generation Load mode setting icon 2nd-level Total power consumption E-lod： 0KWH menus Load state Rundays ： 10D Total number of operating days LVD-Count ：... -
Page 11: Device Information
Device information icon Load short-circuit protection ML4860N15 Product model When the load is short-circuited, the controller can implement protection in a quick and timely manner, and will tr y to switch on the load again after a time delay. This protection can be carried Ver: 00.00.04... -
Page 12: Product Specification Parameters
5. Product Specification Parameters 5.2 Batter y Type Default Parameters 5.1 Electric Parameters LI Batter y —— Parameter Value —— ML4860N15 Model 14.4V —— System voltage 12V/24V/36V/48V Auto —— 12V/≤50mA;24V/≤25mA;36V/≤17mA;48V/≤13mA; No-load loss 12.6V —— Batter y voltage 9V to 65V 11.1V... -
Page 13: Conversion Efficiency Curve
6. Conversion Efficiency Curve 7. Product Dimensions 6.1 12V System Conversion Efficiency MPPT 12V conversion efficiency (12V batter y) 20Vmp 40Vmp 60Vmp 90Vmp 110Vmp 20 Vmp 40 Vmp 60 Vmp 90 Vmp 110 Vmp Technical requirements Product dimensions：285*205*93mm Output power（W） Hole positions：218*180mm Hole diameter：...
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