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Summary of Contents for PowerTech MP3750
- Page 1 MP3750 12/24V 10A Solar Charge Controller with USB Instruction Manual...
- Page 2 SAFETY INFORMATION • Read all of the instructions in the manual before installation. • DO NOT disassemble or attempt to repair the controller. • Install external fuse or breaker as required. • Do disconnect the solar module and fuse/ breakers near to battery before installing or moving the controller.
- Page 3 PRODUCT FEATURES Mounting Hole 4.5 dia. Button PV Terminals Battery status LED indicator Battery Terminals Load status LED indicator Load Terminals Charging status LED indicatro USB Output Port WIRING 1. Connect components to the charge controller in the sequence as shown below and pay careful attention to the “+”...
- Page 4 LED INDICATORS Charging and load status indicator Indicator Color Status Instruction Charging status Green On Solid In Charging LED indicator Green No Charging Green Fast Flashing Battery Over Voltage Load status LED Green On Solid Load ON indicator Green Load OFF Green Slowly Flashing Load over load...
- Page 5 SETTING OPERATION Load ON/OFF Setting When the controller is powered on, press the button to control the load output. NOTE: The USB will output when the load is on. Battery Type Setting • Step 1: Enter setting mode by pressing button for 5s until the battery status LEDs are flashing.
- Page 6 Load Short Circuit Protection Load will be switched off when load short circuit (≥3 times rated current) happens. User has to clear short circuit, then press the button or repower the controller. High Voltage Transients Protection The controller is protected against small high voltage transients. In lightning prone areas, additional external suppression is recommended.
- Page 7 SPECIFICATIONS Nominal system voltage 12/24VDC Auto Rated charge current 10A Rated discharge current 10A Battery input voltage range 8V~32V Max. PV open circuit voltage 50V Self-consumption 12V≤5mA; 24V≤7mA Charge Circuit Voltage Drop ≤0.13V Discharge Circuit Voltage Drop ≤0.17V Temperature compensation coefficient -5mV/ ºC /2V ...
- Page 8 Battery Voltage Control Parameters Below parameters are in 12V system at 25 ºC, please double the values in 24V system Battery Type AGM Gel Flooded Over Voltage Disconnect Voltage 16.0V 16.0V 16.0V Charging Limit Voltage 15.0V 15.0V 15.0V Over Voltage Reconnect Voltage 15.0V ...
- Page 10 WARRANTY INFORMATION Our product is guaranteed to be free from manufacturing defects for a period of 12 Months. If your product becomes defective during this period, Electus Distribution will repair, replace, or refund where a product is faulty; or not fit for intended purpose.
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