PowerTech MP3755 Bedienungsanleitung
1
12V/24V 30A
PWM Solar Charge Controller
for Lithium or SLA Batteries
MP3755
User Manual
2
Contents
ProductOver:Page3
ProductAppearanceDiagram:Page4
LCDDiagram:Pages5‐8
ProductFunctionSettingsandLCDDiagram:Pages9‐14
ProductSpecifications:Pages15‐18
CertificationandEnvironmentalProtection:Page19
Precautions:Page19
3
1.ProductOverview
ThisproductadoptsthelatestPWMcontroltechnologyandintelligentsolar
controllercontrolledbyMCU.ItintegratesWIFIfunctionandallowsviewingthe
workingstatusoftheproductthroughmobileAPP,featuringhighefficiency,lowloss,
smallsize,lightweight,LCDinterface,backlight,andcompleteprotectionfunctions.
Itisthebestchoiceforchargingonboard,domesticandindustrialbatteries.The
producthasthefollowingfeatures.
1.Allowcharging12V/24Vlead‐acidbatteryandlithiumbattery,whichismore
intelligentandsimpletooperate.
2.Adoptintelligent4‐stagechargingmanagement:batterytest;currentlimiting;
constantvoltage;floatvoltage.
3.Integrateavarietyofchargingmodes:AGM;STD;LI.
4.Wrongbatteryprompt,reverseconnectionpromptandprotection,
over‐temperatureprotection,powerfailurememory,shortcircuitprotection,etc.
5.Thebuttonallowsselectingthechargingmode.
6.Theambienttemperatureis‐10~50°C.
4
2. Product Appearance Diagram
Product Appearance Diagram
Fig. 1: Structure Diagram
A: Solar input connected to the posive electrode, B: Solar input connected to the negave
electrode
C: Baery connected to posive electrode, D: Baery connected to negave electrode
E: Load output posive, F: Load output negave; E. MODE buon
H: LED indicator light, red light on in case of error, flashing green during charging, stay green aer
fully charged.
M, L: USB output interface
J: Menu buon, K: OK buon, I: UP buon, G: DOWN buon
O: External temperature sensing line interface
P: RJ45 handle interface (the handle is an LCD, and the display content is the same as the host
LCD)
Q: LCD
R: Screw fixing posion
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To view LCD parameters and set funcons, press the UP/DOWN buon in the
default interface (baery voltage interface) to view the baery charging current;
press the Menu buon once, then press the UP/DOWN buon to view the baery
in turn to view the baery voltage,charging current,load current, solar voltage,
me, and LCD display as follows.
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PresstheMenubuttontwiceinthedefaultinterfacetoviewthesolarpanel
voltageandcurrent,andpresstheUP/DOWNbuttontoswitch.
8
PresstheMenubuttononceinthedefaultinterfacetoviewtheloadvoltageand
current,andpresstheUP/DOWNbuttontoswitch.
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PresstheMenubuttonthreetimesinthedefaultinterfacetoviewthetime.
10
4.FunctionsettingsandLCDiconsareasfollows:
PressandholdMenufor2secondsinthedefaultstatetoentertheSettingsinterface,
presstheMenubuttonrepeatedlytoswitchtobatterycategorysetting,WIFIswitch
setting,undervoltageprotectionsetting,restartvoltagesettingafterundervoltage,
clocksetting,timerswitchsetting,dawnloadTOmode,anddawnloadLdmode.
Pressthe“OK”buttontoenterdesiredfunction,presstheUP/DOWNbuttontoselect,
andthenpress“OK”toconfirm.
Batterycategorymode
AboveistheAGMbatterymode.
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