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Contents
1 General Information ............................................................................... 4
1.1 Overview........................................................................................ 4
1.2 General Appearance and Connections ............................................ 5
1.3 Available Accessories ..................................................................... 6
1.4 Maximum Power Point Tracking Technology Details ........................ 6
1.5 Battery Charging Stage .................................................................. 8
2 Installation Instructions……………………………………………………...…10
2.1 General Installation Notes…………………………………………...……10
2.2 Solar Array Requirements………………………..……………………….11
2.3 Wire Size ..................................................................................... ..11
2.4 Mounting…………………………………………………………..………..12
3 Operation ............................................................................................. ..13
3.1 Button Function ............................................................................ ..14
3.2 LCD Display ................................................................................. ..14
3.3 Parameters setting ....................................................................... ..16
3.4 Battery type.................................................................................. ..19
4 Protection systems, Troubleshooting and Maintenance ..................... ..20
4.1 Protection .................................................................................... ..20
4.2 Troubleshooting ........................................................................... ..22
4.3 Maintenance ................................................................................ ..23
5 Technical Specifications ...................................................................... ..24
Appendix 1 Conversion Efficiency Curves .................................................. ..25
Appendix 2 Dimensions............................................................................. ..26
Appendix 3. How to set battery parameters via WiFi APP ........................... ..27
Appendix 4. Solar Control Monitor for MP3741
(RS-485/USB) using USB cable adaptor .................................................... ..39
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