Table of Contents
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Table of Contents
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Summary of Contents for PowerTech MP-3735
- Page 1 Operating Manual MP-3735...
- Page 2 And pass then on to any future owner or user of this product. This manual describes the installation, function, operation and maintenance of the solar system controller MP-3735. These operating instructions are intended for end customers. A technical expert must be consulted in cases of uncertainty.
- Page 3 When parts are loose In these cases immediately remove the solar charge controller from the solar panels and battery. Function The solar system controller, MP-3735 carries the following features: Monitors the state of charge of the battery Controls the charging process...
- Page 4 Display window You can change the display windows with the “Menu” button, which provides the following windows: Default window -> Charge current display -> Load current display -> System clock -> Bulk charge voltage -> Float charge voltage -> Night light function (NLF) -> Timer1 -> Timer2 -> Default window Menu Functions and Programming Default window The default window will show battery voltage/capacity volume of the...
- Page 5 When the charging current or load current is less than 0.5Amp, the LCD will always show Min A. When there is no output for charge current or load current, the display will show 0Amp. System clock From the default display window, press “menu” button 3 times to show controller’s system clock.
- Page 6 There are 2 modes of night light load control available: Standard Controller Mode and Evening/Morning Mode. To program standard controller mode, set NLF=OFF. The MP-3735 recognizes days and night based on the solar array voltage. NLF will start when the PV(Voltage) < 10V for a period of time.
- Page 7 The set points of the deep discharging protection are predefined and cannot be reset. MPPT function MP-3735 uses the latest MPPT technology at all times which gives the maximum available output of the solar module. 5V USB output Provide 5Vdc/500mA power supplier.
- Page 8 Do not install MP-3735 outdoors, the unit should be installed so that it is protected against humidity, dripping, rainwater as well as direct and indirect warming from sunlight. To ensure proper air circulation for cooling MP-3735, an area of 15cm on each side of the MP-3735 must be kept free.
- Page 9 M4x35 (DIN 7996). Grounding Grounding MP-3735 is not technically required when installing a stand alone solar system. However, if required, common grounding of the negative of the PV array, battery and load control output is OK for negative earth electrical systems (such as a caravan or motor-home).
- Page 10 TECHNICAL INFORMATION 360W-12V battery, 720W-24V battery Max PV Array Size 12V or 24V nominal only PV Array Voltage 30Adc Max. Input Current 65Vdc Max. Input Open Circuit Voltage (OCV) 30A dc Max. Load Current 13.8V-14.8V/27.6V-29.6V Charge Voltage(Bulk) 13.0V-14.2V/26.0V-28.4V Charge Voltage(Float) 11.0/22.0V dc ±2% Deep Discharge Protection Voltage 12/24V dc...
- Page 11 Maintenance The controller is maintenance-free. We strongly suggest that all components of the PV system are checked at least annually, Ensure adequate ventilation of the cooling element or body of the controller. Check any cable strain reliefs Check that all cable connections are secure Tighten screws if necessary Check and remove any terminal corrosion Error Messages...
- Page 12 Meaning: Over voltage on the battery. Which means the battery is abnormally over charged. Remedy: replace the battery. Generally with an aged battery system, it gets higher voltage when charging due to the depreciation of the capacity. Replace the battery system to see if the problem still exists. Electrical products should not be disposed with household waste Please recycle where available...
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