Offgridtec MPPT PRO-X Series User Manual
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Offgridtec MPPT PRO-X Series User Manual

Solar charge controller
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General information:
Offgridtec GmbH
Im Gewerbepark 11
84307 Eggenfelden
WEEE-reg.-no.: DE37551136
User Manual
Contact information:
Tel: +49(0)8721 91994-00
Email: info@offgridtec.com
Web: www.offgridtec.com
CEO: Christian & Martin Krannich
Bank account
Sparkasse Rottal-Inn
Account.:10188985 BLZ: 74351430
IBAN: DE69743514300010188985
BIC: BYLADEM1EGF (Eggenfelden)
Seat and district court
HRB: 9179 registry court Landshut
Tax number: 141/134/30045
VAT-ID: DE287111500
Place of jurisdiction: Mühldorf am Inn

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Summary of Contents for Offgridtec MPPT PRO-X Series

  • Page 1 User Manual General information: Contact information: Bank account Seat and district court Offgridtec GmbH Tel: +49(0)8721 91994-00 Sparkasse Rottal-Inn HRB: 9179 registry court Landshut Im Gewerbepark 11 Email: info@offgridtec.com Account.:10188985 BLZ: 74351430 Tax number: 141/134/30045 84307 Eggenfelden Web: www.offgridtec.com IBAN: DE69743514300010188985 VAT-ID: DE287111500 WEEE-reg.-no.: DE37551136...

  • Page 2: Table Of Contents

    Index 1. IMPORTANT SAFETY INSTRUCTIONS 2. GENERAL INFORMATION 2.1. VERVIEW 2.2. HARACTERISTICS 3. INSTALLATION 3.1. TTENTIONS 3.2. PV A RRAY EQUIREMENTS 3.3. 3.4. OUNTING 4. DISPLAY 4.1. ISPLAY EXPLANATION 4.2. ETTING PARAMETERS LOCALLY 5. PARAMETERS SETTING 5.1. ATTERY ARAMETERS 5.2.

  • Page 3: Important Safety Instructions

    The manufacturer can neither monitor the fulfillment of the conditions nor the methods during installation, operation, use and maintenance of the system. Offgridtec therefore accepts no responsibility or liability for any loss, damage or expense arising from or in any way connected with improper installation/configuration, operation and use and maintenance.

  • Page 4: General Information

    General Information 2.1. Overview The MPPT PRO-X solar charge controllers represent the new generation of Offgridtec MPPT charge controllers and were developed in cooperation with the company EPSolar Technology. The function of limiting the charging power and current, as well as the automatic reduction of the charging power, increase the stability even when connecting oversized PV modules and at high temperatures.

  • Page 5: Characteristics

    MPPT PRO-X 10A | 20A | 30A | 40A 2.2. Characteristics Figure 1 Product Characteristics  port  RS485 communication port  PV Terminals  Terminal protection cover Mounting Hole Φ5mm  Battery Terminals  Display units Load Terminals  ...

  • Page 6: Installation

    Installation 3.1. Attentions  Please read the instructions to familiarize yourself with the installation steps before installation.  Be very careful when installing the batteries, especially flooded lead-acid batteries. Please wear eye protection and have fresh water available to wash and clean any contact with battery acid.

  • Page 7: Pv Array Requirements

    MPPT PRO-X 10A | 20A | 30A | 40A 3.2. PV Array Requirements 3.2.1. Serial connection (string) of PV modules As the core component of the solar system, the controller could be suitable for various types of PV modules and maximize converting solar energy into electrical energy. According to the open-circuit voltage (VOC) and the maximum power point voltage (VMpp) of the MPPT controller, the series number of different types of PV modules can be calculated.
  • Page 8 3.2.2. Maximum PV System Power This MPPT controller has a function to limit the charging current. The charging current is limited within the rated range, so the controller charges the battery with the rated current even if the input power from the PV module exceeds this limit.

  • Page 9: Wire Size

    MPPT PRO-X 10A | 20A | 30A | 40A 3.3. Wire Size The wiring and installation methods must conform to national and local electrical code requirements. PV Wire Size  The PV array output varies with the PV module size, connection method, and sunlight angle. The PV array's short circuit current (ISC) can calculate the minimum PV wire size.

  • Page 10: Mounting

    3.4. Mounting  Risk of explosion! Never install the controller in a sealed enclose with flooded batteries! Do not install in a confined area where battery gas can accumulate. Risk of electric shock! When wiring the solar modules, the PV array can ...
  • Page 11 MPPT PRO-X 10A | 20A | 30A | 40A Step 2: Connect the system in the order of ❶battery ❷ load ❸PV array by Figure 2.2 Figure 2.2 Schematic of wiring diagram ”Schematic Wiring Diagram” and disconnect the system in the reverse order ❸❷❶. ...
  • Page 12 Step 4: Connecting the accessories Connect the remote temperature sensor cable.  Temperature Sensor Remote Temperature Sensor Cable (Optional) (Articel: 1-02-010930) (included) Connect the remote temperature sensor cable to the interface ① and place the other end close to the battery.

  • Page 13: Display

    MPPT PRO-X 10A | 20A | 30A | 40A Display 4.1. Display explanation  Indicator indicator color status instruction green on solid PV charges the battery with a low current 1. no sunlight 2. connection error green 3. low PV voltage green slowly flashing (1Hz) normal charging...
  • Page 14  Button PV browsing interface press the button setting data + press the button and hold 5s setting the LCD cycle time BATT browsing interface press the button cursor displacement during setting setting the battery type, battery capacity level...

  • Page 15: Setting Parameters Locally

    MPPT PRO-X 10A | 20A | 30A | 40A 1) PV parameters Display: Voltage/Current/Power/Generated Energy 2) Battery parameters Display: Voltage/Current/Temperature/Battery capacity level 3) Load parameters Display: Voltage/Current/Power/ Consumed energy/Load working mode-Timer1/ Load working mod-Timer2 4.2. Setting parameters locally Battery type Note: If the controller supports 48V system voltage, the battery type will display LiFePO4 F15/F16 and Li (NiCoMn) O2 N13/N14.
  • Page 16 Operation: Step1: Press the button to browse the battery parameters on the initial interface. Then, press the button to enter the battery parameters setting interface. Step 2: Long-press the button to enter the battery-type interface. Step 3: Press the button to select the battery type.
  • Page 17 MPPT PRO-X 10A | 20A | 30A | 40A Temperature units Operation: Step 1: Press the button to browse the battery parameters on the initial interface. Then, press button to enter the battery parameters setting interface. Step 2: Long-press the button to enter the battery-type interface.
  • Page 18 Load type: Operation: Step 1: Press the button to browse the load parameters on the initial interface. Then, press the button to enter the load parameters setting interface. Step 2: Long-press the button to enter the load type interface.

  • Page 19: Parameters Setting

    MPPT PRO-X 10A | 20A | 30A | 40A Parameters Setting 5.1. Battery Parameters 5.1.1. Supported battery types Lead Battery sealed (default) flooded Lithium Battery LiFePO4 (4S/8S/15S/16S) Li (NiCoMn)O2 (3S/6S/7S/13S/14S) Custom (USE) Note: If the controller supports 48V system voltage, the battery type will display LiFePO4 F15/F16 and Li (NiCoMn) O2 N13/N14.
  • Page 20 Step2: Set the battery parameters on the local device. Under the "USER" interface, the battery parameters that can be local set are shown in the table below: parameters default range operation steps Under the "USER" battery type, press the button to enter the “SYS”...
  • Page 21 Software-Download www.offgridtec.com 2) Setting the battery parameters by APP Via an external Bluetooth module: Connect the controller to the Offgridtec BT-1 Bluetooth module.  End-users can set the voltage parameters by the APP after selecting the battery type as "USER."...
  • Page 22 3) Controller parameters  Battery voltage parameters Measure the parameters in the condition of 12V/25ºC. Please double the values in the 24V system and multiplies the values by 4 in the 48V system. Battery type sealed flooded Battery parameters over voltage disconnect 16.0V...
  • Page 23 MPPT PRO-X 10A | 20A | 30A | 40A  Lithium Battery voltage parameters Battery type Battery LFP4S LFP8S LFP15S LFP16S USER ① parameters over voltage disconnect 14.8V 29.6 V 55.5V 59.2V 9~17V voltage charging limit voltage 14.6 V 29.2 V 54.7V 58.4V 9~17V...
  • Page 24 LNCM battery LNCM13 LNCM14 LNCM3S LNCM6S LNCM7S ① parameters over voltage disconnect 12.8 V 25.6 V 29.8 V 55.4V 59.7V 9~17V voltage charging limit voltage 12.6 V 25.2 V 29.4 V 54.6V 58.8V 9~17V over voltage reconnect 12.5 V...

  • Page 25: Load Modes

    MPPT PRO-X 10A | 20A | 30A | 40A 5.2. Load modes 5.2.1. LCD setting 1) Display and operation When the LCD shows the above interface, it operates as follows: Step1: Press the button to browse the load parameters on the initial interface, and then press button to enter the load parameters setting interface.
  • Page 26 5.2.2. RS485 communication setting 1) Load mode  Manual Control (default) Control the load ON/OFF via the button or remote commands (e.g., APP or PC software).  Light ON/OFF  Light ON+ timer  Time Control Control the load ON/OFF time by setting the real-time clock.

  • Page 27: Others

    MPPT PRO-X 10A | 20A | 30A | 40A Others 6.1. Protection When the charging current or power of the PV array exceeds the controller’s rated current or power, it will be charged at the rated current or power. PV Over WARNING: When the PV’s charging current is higher than the rated current, the PV’s Current/power open-circuit voltage cannot be higher than the "maximum PV open-circuit voltage."...
  • Page 28 6) When the internal temperature is 81℃, the reduced charging power mode is turned on. It reduces the charging power by 5%,10%,20%, and 40% with every increase of 1℃. If the internal temperature exceeds 85℃, the controller will stop charging. When the temperature declines to be below 75 ºC, the controller will resume.

  • Page 29: Troubleshooting

    MPPT PRO-X 10A | 20A | 30A | 40A 6.2. Troubleshooting Possible Faults Troubleshooting reasons Charging LED indicator off during PV array Confirm that PV wire connections are daytime when sunshine falls on PV disconnection correct and tight modules properly Battery voltage is The wire connection is correct, and the Please check the battery voltage.

  • Page 30: Maintenance

    6.3. Maintenance The following inspections and maintenance tasks are recommended at least twice yearly for best performance. Make sure the controller is firmly installed in a clean and dry ambient.  Make sure no block on airflow around the controller. Clear up any dirt and fragments on the ...

  • Page 31: Technical Specifications

    MPPT PRO-X 10A | 20A | 30A | 40A Technical Specifications Electrical Parameters Item PRO-X 10A PRO-X 20A PRO-X 30A PRO-X 40A System nominal ① ① 12/24VDC Auto 12/24/36/48VDC Auto voltage Rated charge current Rated discharge current Battery voltage 8 ～32V 8 ～68V range max.
  • Page 32 Mechanical Parameters Item PRO-X 10A PRO-X 20A PRO-X 30A PRO-X 40A Dimension 175×143×48mm 217×158×56.5mm 255×187×75.7mm 255×189×83.2mm (L x W x H) Mounting size 120×134mm 160×149mm 200×178mm 200×180mm Φ5mm (L x W) Mounting hole size Terminal 12AWG(4mm 6AWG(16mm 6AWG(16mm 6AWG(16mm...

  • Page 33: Annex

    MPPT PRO-X 10A | 20A | 30A | 40A Annex 8.1. Conversion Efficiency Curves Illumination Intensity: 1000W/m2 Temp: 25ºC Model: MPPT PRO-X 10A 1) Solar Module MPP Voltage (17V, 34V) / Nominal System Voltage (12V) 2) Solar Module MPP Voltage (34V, 51V, 68V) / Nominal System Voltage (24V) —...
  • Page 34 Model: MPPT PRO-X 20A 1) Solar Module MPP Voltage (17V, 34V) / Nominal System Voltage (12V) 2) Solar Module MPP Voltage (34V, 51V, 68V) / Nominal System Voltage (24V) — 33 —...
  • Page 35 MPPT PRO-X 10A | 20A | 30A | 40A Model: MPPT PRO-X 30A 1) Solar Module MPP Voltage (17V, 34V, 68V) / Nominal System Voltage (12V) 2) Solar Module MPP Voltage (34V, 68V, 102V) / Nominal System Voltage (24V) — 34 —...
  • Page 36 3) Solar Module MPP Voltage (68V, 102V, 119V) / Nominal System Voltage (36V) 4) Solar Module MPP Voltage (68V, 102V, 119V) / Nominal System Voltage (48V) — 35 —...
  • Page 37 MPPT PRO-X 10A | 20A | 30A | 40A Model: MPPT PRO-X 40A 1) Solar Module MPP Voltage (17V, 34V, 68V) / Nominal System Voltage (12V) 2) Solar Module MPP Voltage (34V, 68V, 102V) / Nominal System Voltage (24V) — 36 —...
  • Page 38 3) Solar Module MPP Voltage (68V, 102V, 119V) / Nominal System Voltage (36V) 4) Solar Module MPP Voltage (68V, 102V, 119V) / Nominal System Voltage (48V) — 37 —...

  • Page 39: Disclaimer

    The manufacturer can neither monitor the fulfillment of the conditions nor the methods during installation, operation, use and maintenance of the system. Offgridtec therefore accepts no responsibility or liability for any loss, damage or expense arising from or in any way connected with improper installation/configuration, operation and use and maintenance.

  • Page 40: Imprint

    8.3. Imprint Offgridtec GmbH Im Gewerbepark 11 84307 Eggenfelden WEEE-Reg.-No. DE37551136 +49(0)8721 91994-00 info@offgridtec.com www.offgridtec.com CEO: Christian & Martin Krannich Sparkasse Rottal-Inn Account: 10188985 BLZ: 74351430 IBAN: DE69743514300010188985 BIC: BYLADEM1EGF (Eggenfelden) Seat and district court HRB: 9179 registry court Landshut...

This manual is also suitable for:

Mppt pro-x 10aMppt pro-x 20aMppt pro-x 30aMppt pro-x 40a1-01-0173701-01-017375 ... Show all

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