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Summary of Contents for PowerTech MP3755
- Page 1 12V/24V 30A PWM Solar Charge Controller for Lithium or SLA Batteries MP3755 User Manual...
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Page 2: Table Of Contents
Contents Product Overview ........................3 Product Diagram ........................4 Functions ..........................6 Function settings and LCD icons are as follows ................ 7 Product Function ........................9 Charging Voltage Profile......................9 6. Cerfication and environmental protection................10 7. Precautions ......................... 10... -
Page 3: Product Overview
Product Overview This product adopts the latest PWM control technology and intelligent solar controller controlled by MCU. Features high efficiency, low loss, small size, light weight, LCD interface, backlight, and complete protection functions. It is the best choice for charging onboard, domestic and industrial batteries. -
Page 4: Product Diagram
Product Diagram Positive solar input LED indicator red light on in case of error, flashing green during charging, stay green after fully charged. Negative Solar input Up button Positive battery output Menu button Negative battery output OK button Load output positive L &... - Page 5 LCD Diagram Solar icon and current intensity Current parameter display Battery Connected Icon Load on/off Load On Icon Settings Battery voltage Settings Error warning Settings Clock Charging mode (MPPT / PWM) Day / Night Sensor...
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Page 6: Functions
Functions To view LCD parameters and set functions, press the UP/DOWN button in the default interface (battery voltage interface) to view the battery charging current; press the Menu button once, then press the UP/DOWN button to view the battery in turn to view the battery voltage, charging current, load current, solar voltage, time, and LCD display as follows. -
Page 7: Function Settings And Lcd Icons Are As Follows
Function settings and LCD icons are as follows Press and hold Menu for 2 seconds in the default state to enter the Settings interface, press the Menu button repeatedly to switch to battery category setting, WIFI switch setting, under voltage protection setting, restart voltage setting after under voltage, clock setting, timer switch setting, dawn load TO mode, and dawn load Ld mode. - Page 8 Battery restart voltage Time setting The figure above shows the LO timer load mode setting. When the PV is less than 11V, the clock 1 is the delay on load, and the clock 2 is the delay off load time (in minutes) when the PV is greater than 11V.
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Page 9: Product Function
Product Function This product adopts 4-stage charging mode: battery test; current limiting; constant voltage; float charging. Battery test: After the battery is connected, it will check whether the battery meets the voltage requirements for the operation of this product. Current limiting: This product allows a maximum charging current of 30A. Constant voltage: When the maximum voltage allowed by this product is reached, the product will be charged at the highest voltage point until the current is reduced to below 3A or the time exceeds 3 hours. -
Page 10: Cerfication And Environmental Protection
Certification and environmental protection Meet CE, RoHS and PAHs requirements; 7. Precautions 7.1 The solar input voltage must not exceed 51V (VOC), and the current must not exceed 30A. 7.2 Pay attention on to polarity when connecting, and do not reverse the polarity. 7.3 The maximum output of the USB port can only be 3.4A.
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