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Operating Manual MP-3735

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Summary of Contents for MP-3735

Page 1: ...1 Operating Manual MP 3735 ...

Page 2: ...V or 24V nominal voltage solar PV array 4 Do not connect any defective or damaged measuring equipment 5 Follow general safety and accident prevention regulation 6 Never alter or remove the factory plates and identification labels 7 Keep children away from PV systems 8 Never open the device 9 Only one solar array can connect with one controller only 10 Never touch bare cables ends Other risks Dange...

Page 3: ...Compensation Manual load switch with automatic re start Two timer schedule programmable MPPT technology capturing more energy from sun What is MPP tracking MPPT MPPT stands for Maximum Power Point Tracking This describes a process by means of which the solar module is always operated at the point of maximum possible power The point of maximum power can vary depending on the operating mode local co...

Page 4: ...ming Default window The default window will show battery voltage capacity volume of the battery and an overview of the system operation Manual load control At the default display window press the enter button to control the load ON or OFF The load icon will turn display to indicate if the load is turned on or off Charge current Press menu button once to check charging current one press from defaul...

Page 5: ...nce it s done press enter button for final confirmation Bulk charge voltage Press menu button 4 times from the default window Window will switch to BULK voltage programmable setup interface Press enter button once you can program charge voltage via the Pageup Pagedown button 12V Battery 13 8V 14 8V 24V Battery 27 6V 29 6V Float charge voltage Press menu button 5 times from the default window Windo...

Page 6: ...n button and then confirm by enter Timer 2 NLF OFF Press menu button again from Time1 window will switch to Timer2 setup interface Press enter button once you can adjust the Hour 1 12hours via Pageup Pagedown button and then confirm by enter NOTE Timer1 hour setting controls the time the load is turned ON after entering night mode Timer2 hour setting controls the time the load is turned OFF after ...

Page 7: ...tup as mentioned above NOTE for programming Timer1 Timer2 Setting either Timer to ON sets the time when you want to turn the load on Setting either Timer to OFF sets the time when you want to turn the load off Setting either Timer to ON OFF will disable the timer and the load output will revert to manual load control Functional Explanations 1 PWM Charge control Depending on the actual battery leve...

Page 8: ...erature Installation Danger of explosion from sparking Danger of electric shock Only install the controller near the battery on a suitable surface This surface should be solid stabile even dry and nonflammable The battery cable should be as short as possible 1 2m and have a suitable cable diameter size for minimum loss Recommended cable for MP 3735 is 25 sq mm and 2 m length Do not install MP 3735...

Page 9: ...charge controller 2 1 Mark the position of controller fix holes on the walls 2 2 Drill 4pcs Ø6mm holes and insert dowels 2 3 Fix the controller to the wall with the cable openings facing downwards using 4 oval head screws 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 a...

Page 10: ...ttery is allowed to absorb current at a constant voltage The constant voltage regulation prevents overheating and battery gassing this stage terminates when the battery current is below 3 Amp or after 3 hours entered in absorption mode Float Maintenance After the battery is fully charged the controller reduces the battery voltage to a float charge providing minimal current Protection functions Ove...

Page 11: ...t the second error code is displayed after remedying the more significant error The following meaning is assigned to the different error codes 1 Meaning Battery polarities reverse warning Remedy Reconnect cable of battery in proper way 2 Meaning Battery is wrong Remedy Check battery voltage it might be too low or too high Recharge battery manually if necessary If battery can t be recharged it migh...

Page 12: ... 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 Check with your local authority or retailer for recycling advice Specifications are subject to change without prior notice ...

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