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Senergy SE 6KFG-S1/LV User Manual

Solar inverter
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Version: EN-UM-1.0
USER MANUAL
Solar Inverter

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Summary of Contents for Senergy SE 6KFG-S1/LV

  • Page 1 Version: EN-UM-1.0 USER MANUAL Solar Inverter...
  • Page 3 Preface About This Manual This manual describes the installation, connection, LCD setting, commissioning and maintenance etc. of Energy Storage System(ESS). Please first read the manual and related documents carefully before using the product and store it in a place where installation, operation and maintenance personnel can reach it at any time. The illustrations in this user manual are for reference only.

  • Page 4: Table Of Contents

    Table of Contents 1. Safety ................................4 1.1 Symbols Used ............................4 1.2 Safety Precaution ............................5 2. Product Introduction ............................6 2.1 Typical Energy Storage System (ESS) .....................6 2.2 Features ..............................6 2.3 Product Appearance ..........................7 3. Installation ................................8 3.1 Packing List ..............................8 3.2 Installation Clearance Requirements ......................9 3.3 Mounting ..............................9 4.
  • Page 5 7.1 Download App............................46 7.2 Local Login ..............................46 7.3 Home ................................47 7.4 Setting...............................48 8. Maintenance ..............................49 8.1 Routine Maintenance ..........................49 8.2 Inverter Troubleshooting ..........................49 8.3 Removing the Inverter ..........................54 9. Technical Specifications ...........................55...

  • Page 6: Safety

    Safety 1. Safety Before using the inverter, please read all instructions and cautionary markings on the unit and in this manual. Put this manual to a place where you can take it easily. The inverter strictly conforms to related safety rules in design and test. Please follow the local laws and regulations during installation, operation and maintenance.

  • Page 7: Safety Precaution

    Safety 1.2 Safety Precaution ● Installation, maintenance and connection of inverters must be performed by qualified personnel, in compliance with local electrical standards, wiring rules and requirements of local power authorities and/or companies. ● Ensure children are kept away from inverters. Don’t open the front cover of the inverter. Apart from performing work at the wiring terminal (as instructed in this manual), touching or changing components without authorization may cause injury to people, damage to inverters and annulment of the warranty.

  • Page 8: Product Introduction

    Product Introduction 2. Product Introduction 2.1 Typical Energy Storage System (ESS) This is an advanced Energy Storage System Inverter that integrates a high-efficiency MPPT Charge Controller, Battery Controller, Pure Sine Wave Inverter and Smart Energy Management. It is designed for multiple scenarios, including backup power during outages, maximizing solar energy self-consumption, and reducing electricity costs.

  • Page 9: Product Appearance

    Product Introduction 2.3 Product Appearance GRID LOAD/GEN SWITCH L1 N1 L2/GEN N2 BAT- BAT+ DRY USB BMS Parallel INPUT BREAKER Number Description Number Description Grid/Inverter LED indicator GRID connection port PV connection port Charging LED indicator Parallel RJ45 port Alarm LED indicator BMS RJ45 ports (RS485 / LCD screen CAN)

  • Page 10: Installation

    Installation 3. Installation 3.1 Packing List After unpacking, please check the following packing list carefully for any damage or missing parts. If any damage or missing parts occurs, contact the supplier for help. Number Quantity Description Inverter Mounting bracket File package Battery terminal M5 screw (for battery terminal*2 and PE terminal*1) M10 Expansion bolt...

  • Page 11: Installation Clearance Requirements

    Installation 3.2 Installation Clearance Requirements To ensure the inverter normally and easy to operate, there are requirements on available spaces of the inverter, e.g. to keep enough clearance. Refer to the following figures. ≥500 mm DANGER: Do not install the inverter in areas containing highly flammable materials or gases ≥500 mm 3.3 Mounting...
  • Page 12 Installation Step 1. Install the mounting bracket 1. Use a level ruler to mark the position of the 3 holes on the wall. Refer to Figure 1. And drill 3 holes, 12 mm in diameter and 60 mm in depth. Refer to Figure 2. 2.

  • Page 13: Electrical Connection

    Electrical Connection 4. Electrical Connection This chapter shows the details connection of ESS inverter. Stand-alone application...
  • Page 15 Electrical Connection Ensure that inverter and all cables to be installed are completely powered off during whole installation and connection. Otherwise, high voltage may DANGER result in fatal injury. Note: ● BMS communication connection is only for lithium battery. ● Parallel communication cable and connector are optional. ●...
  • Page 17 Electrical Connection Note: ● Make sure all inverters in parallel have the same firmware version by verifying the 'DSP' and 'EMS' version numbers on App/LCD. It is recommended to restore the firmware before three-phase connection to ensure the same parameter for each inverter. ●...

  • Page 18: Grounding

    Electrical Connection 4.1 Grounding A protective earth (PE) terminal is equipped at the side of the inverter. Please be sure to connect this PE terminal to the PE bar for reliable grounding. The cross section area of green-yellow wire is greater than or equal to 10 mm².

  • Page 19: Removing/Installing The Cover

    Electrical Connection 4.2 Removing/Installing the Cover Remove the cover: Install the cover: 3×M4 1.2 N·m 4.3 GRID Connection Before connecting the GRID terminal, ensure that the AC terminal, the battery terminal and the PV terminal are powered OFF. Otherwise there is a risk of high voltage shock. GRID connection procedure: Step 1: Select the cable and strip the insulation.

  • Page 20: Load (L1-N1) Connection

    Electrical Connection Step 2: Run the cables into wiring box through correct ports. Grid Step 3: Attach the cables to the terminal blocks accordingly and then tighten all screws with a torque of 1.2N·m. Grid 1.2 N·m 4.4 LOAD (L1-N1) Connection Before connecting the LOAD terminal, ensure that the AC terminal, the battery terminal and the PV terminal are powered OFF.

  • Page 21: Generator/Smart Load Connection

    Electrical Connection Step 2: Run the cables into wiring box through correct ports. LOAD L� N� Step 3: Attach the cables to the terminal blocks accordingly and then tighten all screws with a torque of 1.2N·m. LOAD L� N� 1.2 N·m 4.5 Generator/Smart Load Connection The L2/GEN-N port can work as the input port for the generator or as the output port for the Smart Load.

  • Page 22: Pv Connection

    Electrical Connection Step 2: Run the cables into wiring box through correct ports. L� N� Step 3: Attach the cables to the terminal blocks accordingly and then tighten all screws with a torque of 1.2N·m. L� N� 1.2 N·m 4.6 PV Connection Please check polarity of PVconnectors! If polarity reversed, do not try to disconnect any PV connector until the WARNING...
  • Page 23 Electrical Connection Step 1: Prepare the proper cable we recommended, and strip an appropriate length of the cable insulation. A. Cross Section 5.3-8 mm² 6 ± 0.5 mm B. Strip Length Step 2: Test string voltage and confirm string polarity. ��...

  • Page 24: Battery Connection

    Electrical Connection 4.7 Battery Connection This section explains the requirements and procedures of battery connection. Read carefully before connecting. Before connecting the battery terminal, ensure that the AC terminal, the battery terminal and the PV terminal are powered OFF. Otherwise there is a DANGER risk of high voltage shock.

  • Page 25: Communication Interface Connection

    Electrical Connection Step 3: Loosen the rubber nut, then remove the seal and sealing plugs. BATTERY BAT+ BAT- Step 4: Lead the cable through the rubber nut and seal in turn. Then run the cables into wiring box through correct ports. BATTERY BAT+ BAT-...

  • Page 26: Bms Connection For Lithium Battery

    Electrical Connection 4.8.1 BMS Connection for Lithium Battery This manual ONLY illustrates the pinout sequence of BMS at INVERTER SIDE. For details about the pinout sequence at battery side, see the user NOTICE manual of the battery you use, and the following pinout diagram of battery side is only for illustration.
  • Page 27 Electrical Connection CAN BUS connection principle INVERTER BATTERY CAN_H CAN_H CAN_L CAN_L Procedures: Step 1: BMS communication cable prepartion. 1. Prepare RJ45 terminals and strip appropriate length of COM cables. 2. According to pin definitions and cable order, assemble the RJ45 terminals and crimp communication wires.There are two methods to assemble the RJ45 terminals.

  • Page 28: Dry Connection

    Electrical Connection 4.8.2 DRY Connection Pin definition of terminal Pin (Terminal) Function Description NC (Normal Close) 1 2 3 C (Generator Control) NO (Generator Control, Normal Open) Dry contact port Unit Status Condition NC & C NO & C Power Off Unit is off, no output power.

  • Page 29: Parallel Communication Connection (Optional)

    Electrical Connection 4.8.4 Parallel Communication Connection (Optional) Note: Parallel communication cable and connector are optional Pin definition of terminal Pin (Terminal) Function Description 1 2 3 4 5 6 7 8 CAN_H CAN_L PARA_SYNC GND_S Parallel cable connection procedure connection Insert the terminal into corresponding port.

  • Page 30: Startup/Shutdown Procedure

    Startup/Shutdown Procedure 5. Startup/Shutdown Procedure Inspection Items The inverter is firmly installed. There is enough heat dissipation space, no external objects or parts left on the inverter. It is convenient for operation and maintenance. The wiring of the system is correct and firm. Check whether the DC and AC connections are correct with a multimeter, and ensure there is no short circuit, break, or wrong connection.

  • Page 31: Operation And Display Panel

    Operation and Display Panel 6. Operation and Display Panel The operation and display panel, shown in below chart, is on the front panel of the inverter. It includes three indicators, four control buttons and a LCD display, indicating the operating status and input/output power information.

  • Page 32: Control Buttons

    Operation and Display Panel 6.3 Control Buttons The control buttons (Esc/Up/Down/Enter) are at the bottom of the LCD screen Button Icon Description Exit the current page Upward selection Down Downward selection Enter Go to the selected page. 6.2 LCD Screen You can set parameters and monitor data of the inverter through the LCD.
  • Page 33 Operation and Display Panel Icon Description Output Information Indicate output voltage, output frequency, load percent, load in VA, load in Watt and discharging current. Connection state Turn off the buzzer Wifi connected USB connected RS485 connected Inverter information Inverter icon Grid input Grid icon Load information...
  • Page 34 Operation and Display Panel Icon Description Mode Operation Information Indicates load is supplied by utility directly. Indicates the utility charger circuit is working. Indicates the inverter/charger is working. Indicates PV MPPT is working to power load. Indicates PV MPPT is working to charge battery. Indicates battery is discharging to load.

  • Page 35: Lcd Operation Flow Chart

    Operation and Display Panel 6.4 LCD operation flow chart On base information page, pressing and holding "ENTER" key for 2 sec, the unit will enter parameters page. Press "UP" or "DOWN" key to switch the selection and press "ENTER" key to enter selected page. Press "ESC"...
  • Page 36 Operation and Display Panel Description Description PV1 Power/ Output1 voltage PV1 Voltage/ Output1 voltage PV1 power is 1.00kW, load1 voltage is 220V PV1 voltage is 480V, load1 voltage is 220V GEN Frequency/ Output1 voltage GEN Voltage/ Output1 voltage Generator frequency 50.0Hz, load1 voltage 223V PV1 voltage is 223V, load1 voltage is 223V BMS current/ Output1 voltage Battery Voltage/ Output1 voltage...
  • Page 37 Operation and Display Panel Description Description Battery Voltage/ Output2 current Battery Voltage/ Output2 Voltage Battery voltage is 52.0V, load2 current is 3A Battery voltage is 52.0V, load2 voltage is 220V Date Battery Voltage/ Output2 Power Battery voltage is 52.0V, load2 power is 660w 2025-02-20 Time 15: 08: 20...

  • Page 38: Setting Page

    Operation and Display Panel 6.6 Setting Page Press "UP" or "DOWN" button to select setting programs. And then, press "ENTER" button to confirm the selection or ESC button to exit. Keep pressing UP or DOWN button after 1.5 seconds, it will increase or decrease setting value fastly.
  • Page 39 Operation and Display Panel Function Selectable option Default Setting battery voltage If "AGM", "Flooded" or "self-defined" point back to utility is selected in program 01,this program is when selecting "SBU enabled. priority" in program Setting range is from 44.0V to 54.0V. Default Setting battery SOC If "PYLON"...
  • Page 40 Operation and Display Panel Function Selectable option Unavailable Default The Single to 3-Phase function is unavailable Phase L1 Phase L1. Single to 3-Phase Phase L2 Phase L2. Phase L3 Phase L3. Default Nominal AC Output voltage configuration. voltage(V) Default Nominal AC Output frequency configuration.
  • Page 41 Operation and Display Panel Function Selectable option Disable Default Timing function disabled, The second output is allowed. Discharge time The second output discharge time is the set duration. Setting Setting range is from 0 min to 990 min. discharge time Increment of each click is 5 min.
  • Page 42 Operation and Display Panel Function Selectable option PV >> Battery >> Utility SBU: PV provides power to the loads first. If PV is not sufficient, battery will supply power to the loads at the same time. Utility Output source priority provides power to the loads only when battery voltage drops to the setting point in program 8/9.
  • Page 43 Operation and Display Panel Function Selectable option Enable Default If selected, buzzer is not allowed to beep. Buzzer Alarm Disable If selected, buzzer is allowed to beep. Default In performance mode, the inverter will perform at its highest performance. Balanced mode, applicable to the condition of 80% output power and 75% charge current limitatiaon, to reduce additional Fan Work Mode...

  • Page 44: Energy Stored Data Page

    Operation and Display Panel Function Selectable option Load Default The port "L2/GEN-N2" of AC output conector can be defined for "2nd AC output" or "Generator intput". Generator Smart port ● If " " is selected, the 2nd AC output is enabled. If "...
  • Page 45 Operation and Display Panel Description Description Load1 consumption month: 120kWh Load1 consumption today: 20kWh Load1 total consumption : 300kWh Load1 consumption year: 300kWh Load2 consumption month: 80kWh Load2 consumption today: 30kWh Load2 total consumption : 200kWh Load2 consumption year: 200kWh...

  • Page 46: Bms Information Page

    Operation and Display Panel 6.8 BMS information Page The BMS information will be switched by pressing "UP" or "DOWN" key. The selectable information is switched as below order: Description Battery pack number / SOC Battery pack number is 4, SOC is 50% BMS voltage / current BMS voltage / SOC BMS voltage is 54.0V, current is 2.8A on battery...

  • Page 47: Bat Rated Information Page

    Operation and Display Panel 6.9 BAT Rated Information Page The rated information will be switched by pressing "UP" or "DOWN" key. The selectable information is switchedas below order: Description Rated battery voltage / Max. charge current Rated VA / WATT Rated battery voltage is 48V, Max.

  • Page 48: App Setting Guide

    App Setting Guide 7. App Setting Guide SolarTouch App contains “Cloud Login” and “Local Login”. ● Cloud login: APP read data from cloud server through API and display inverter parameter. ● Local login: APP read data from inverter through Bluetooth connection with Modbus protocol to display and configure inverter parameter.

  • Page 49: Home

    App Setting Guide 7.3 Home In Home page, you can view the basic information of your energy system. Grid present power Present PV power Generator present power Inverters status Home present power Battery state, present power, SOC PV production today Consumption today In the total consumption, the...

  • Page 50: Setting

    App Setting Guide 7.4 Setting From the Home page, navigate to "Settings" menu.

  • Page 51: Maintenance

    Maintenance 8. Maintenance Before maintaining and commissioning inverter and its peripheral distribution unit, switch off all the charged terminals of the inverter and wait at least 10 CAUTION minutes after the inverter is powered off. 8.1 Routine Maintenance Items Check Content Maintain Content Maintenance Interval Statistically maintain the status of electrical...
  • Page 52 Maintenance FAULT INSTRUCTION COMMON CAUSE / REMEDY Check whether the maximum input voltage of a single PV string PV over voltage exceeds the MPPT working voltage. If yes, modify the number of PV module connection strings. 1. Check the insulation resistance against the ground for the PV strings. If a short circuit has occurred, rectify the fault.
  • Page 53 Maintenance FAULT INSTRUCTION COMMON CAUSE / REMEDY 1. Shut down manually via LCD. 2. The monitor executed the remote shutdown instruction. Remote off 3. Remove the communication module and confirm whether the alarm disappears. If yes, replace the communication module. Otherwise, please contact the customer service.
  • Page 54 Maintenance FAULT INSTRUCTION COMMON CAUSE / REMEDY 1. If the alarm occurs occasionally, the inverter can be automatically recovered and no action is required. Internal storage error 2. If the alarm occurs repeatedly, the inverter cannot work properly. Pls. contact the customer service center. 1.
  • Page 55 Maintenance FAULT INSTRUCTION COMMON CAUSE / REMEDY 1. If the alarm occurs occasionally, the inverter can be automatically recovered and no action is required. 2. Check that the battery overvoltage protection value is improperly set. Battery over voltage 3. The battery is abnormal. 4.

  • Page 56: Removing The Inverter

    Maintenance FAULT INSTRUCTION COMMON CAUSE / REMEDY 1. Check whether the battery is disconnected. 2. Check whether the battery is properly connected with the inverter. 3. Confirm that the battery is compatible with the inverter. It is Communication error recommended to use CAN communication. (Inverter-BMS) 4.

  • Page 57: Technical Specifications

    Technical Specifications 9. Technical Specifications Line Mode Specifications INVERTER MODEL Input Voltage Waveform Sinusoidal (utility or generator) Nominal Input Voltage 230Vac 170Vac±3% (UPS application); Low Loss Voltage 90Vac±3% (Home application) 180Vac±3% (UPS application); Low Loss Return Voltage 100Vac±3% (Home application) High Loss Voltage 280Vac±3% High Loss Return Voltage...
  • Page 58 Technical Specifications Charge Mode Specifications Charging Algorithm 3-Step 56.4Vdc for AGM/Gel Bulk Charging Voltage 58.4Vdc for flooded Floating Charging Voltage 54Vdc Nominal AC input voltage 230Vac AC input range 90--280Vac Max. PV Array Power 9000W Max. PV Input Current Start-up Voltage 60Vdc PV Array MPPT Voltage Range 60--450Vdc...

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