HANCHU ESS HESS-OF-S-10K User Manual

HANCHU ESS HESS-OF-S-10K User Manual

Off-grid inverter

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User Manual
Off-Grid Inverter
HESS-OF-S-10K
Empowering Energy Clean And Affordable.
1

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Questions and answers

Musaka
April 8, 2025

How do I handle the grid and inveter output in the distribution board

2 comments:
Mr. Anderson
April 9, 2025

To handle the grid and inverter output for the HANCHU ESS HESS-OF-S-10K in the distribution board:

1. Ensure reliable wiring and correct wire sequence.
2. Install the terminal protection cover.
3. Start the inverter:
- Close the battery circuit breaker.
- Turn on the inverter using the rocker switch; screen and indicators will light up.
- Sequentially close the circuit breakers for PV, AC input (grid), and AC output (inverter).
4. Start the connected loads one by one, from smallest to largest.

The inverter has anti-backflow functionality, meaning PV energy does not feed back into the grid unless parameter 1 is set to UTI. When set to UTI and the battery is full or disconnected, solar energy will feed back into the grid.

This answer is automatically generated

Musaka
April 10, 2025

@Mr. Anderson can the neutral meeting with the grid neutral in the distribution board cause the input breaker of the inverter to trip.I am experiencing that.With the output 63A 2P(taking to the house distribution board)breaker off its changing well on grid and giving output, but immediately I try to turn on the breaker input trips. Note that the grid neutral and output neutral are in the same bar in the distribution board.

Musaka
April 8, 2025

How do you connect the grid input and output in the house distribution board

User image 67f555cd791fe
1 comments:
Mr. Anderson
April 9, 2025

To connect the grid input and output for the HANCHU ESS HESS-OF-S-10K in a house distribution board:

1. Open the circuit breaker before making any AC connections to ensure safety.
2. Connect AC Input:
- Connect the utility grid or generator to the AC input terminals of the inverter.
- Use appropriate cable sizes as specified (e.g., 6–8 mm insulation removed, ferrule attached).
- Wire the live (L), neutral (N), and ground (PE) wires according to the labeled positions.

3. Connect AC Output:
- Connect the AC output terminals of the inverter to the house distribution board.
- Use a 2P-63A circuit breaker and 6 AWG (13 mm²) cable for single-phase 63A output.

Ensure all wiring matches the system diagram and follow the correct order: live, neutral, and ground.

This answer is automatically generated

TC
March 6, 2025

If the battery cells are not balancing , how can l encounter the issue

1 comments:
Mr. Anderson
March 6, 2025

The manual does not provide specific instructions for resolving battery cell balancing issues. However, you can try the following general steps based on the provided information:

1. Check Charging Settings: Ensure that the equalization charging voltage and bulk charging voltage are correctly set for your battery type.
2. Perform Equalization Charging: If applicable, enable equalization charging to balance the battery cells over time.
3. Monitor Undervoltage and Overvoltage: Ensure that the undervoltage and overvoltage disconnect voltages are within the recommended range to prevent imbalance.
4. Regular Maintenance: Clean the dust screen regularly to maintain proper airflow and prevent overheating, which may affect battery performance.
5. Verify System Connections: Ensure all battery and inverter connections are secure and properly configured.

If the issue persists, consult the manufacturer or a qualified technician.

This answer is automatically generated

Lazarous
February 6, 2025

AC power not showing on inverter

1 comments:
Mr. Anderson
February 10, 2025

The AC power may not be showing on the HANCHU ESS HESS-OF-S-10K inverter due to the following reasons:

1. Connection Issues – The AC output terminals (V+, L, 0, T, V-) may not be properly connected. Check and secure all wiring.
2. Power Source Problems – The utility grid or generator may not be supplying power. Verify the input power source.
3. Inverter Fault – A system fault may be preventing AC output. Check the display panel for error indicators.
4. Over-temperature Protection – If the dust screen is blocked, airflow may be restricted, triggering an over-temperature fault.
5. Battery Issues – If the battery is under-voltage or disconnected, the inverter may not function properly.
6. Communication Errors – If the inverter is not communicating with the battery management system (BMS), it may not operate correctly.

Check the display panel for error messages and troubleshoot accordingly.

This answer is automatically generated

Summary of Contents for HANCHU ESS HESS-OF-S-10K

  • Page 1 User Manual Off-Grid Inverter HESS-OF-S-10K Empowering Energy Clean And Affordable.
  • Page 2: Table Of Contents

    Table of Contents 1. Safety ..............................................1 1.1、 How to use this manual ..........................................1 1.2、 Symbols in this manual ..........................................1 1.3、 Safety instructions ............................................1 2. Production Instructions ........................................2 2.1、Instructions ..............................................2 2.2、Features ................................................3 2.3、System connection diagram ........................................4 2.4、Production Overview ............................................5 3.
  • Page 3: Safety

    HESS-OF-S-10K 1. Safety 1.1、 How to use this manual This manual contains important information、guidelines、operation and maintenance for the • following products:HESS-OF-S-10K • The manual must be followed during installation and maintenance. 1.2、 Symbols in this manual Symbol Description DANGER indicates a hazardous situations which if not avoided will result in △...
  • Page 4: Production Instructions

    HESS-OF-S-10K 2. Production Instructions 2.1、Instructions HESS series is a new type of solar energy storage inverter control inverter integrating solar energy storage & utility charging and energy storage, AC sine wave output. It adopts DSP control and features high response speed, reliability, and industrial standard through an advanced control algorithm.
  • Page 5: Features

    HESS-OF-S-10K 2.2、Features Supports lead acid battery and li-ion battery connections. • With a dual activation function when the li-ion battery is dormant; either mains/photovoltaic power supply • access can trigger the activation of the li-ion battery. Support split-phase and single-phase pure sine wave output.
  • Page 6: System Connection Diagram

    HESS-OF-S-10K 2.3、System connection diagram The diagram below shows the system application scenario of this product. A complete system consists of the following components: • PV modules: converts light energy into DC energy, which can be used to charge the battery via an inverter or directly inverted into AC power to supply the load.
  • Page 7: Production Overview

    HESS-OF-S-10K 2.4、Production Overview LCD screen LED Indicators Touchable key ON/OFF Rocker Switch PV INPUT (1/1) BAT INPUT (+) BAT INPUT (-) Dry contact CAN/RS485 port WIFI port USB-B port Grounding Screw AC OUT (L+ N) AC IN (L+ N) AC INPUT breaker...
  • Page 8: Installation

    HESS-OF-S-10K 3. Installation 3.1、Select the mount location HESS series are designed for INDOOR USE ONLY (IP20) . Please consider the followings before selecting the location: • Choose the solid wall to install the inverter. • Mount the inverter at eye level.
  • Page 9: Mount The Inverter

    HESS-OF-S-10K 3.2、Mount the inverter Make 4 mounting holes in the wall with an electric drill according to the specified dimensions, insert 2 expansion screws above and fix the inverter with 2 M5 screws below. 3.3、Remove the terminal cover & anti insect net Using a screwdriver, remove the terminal protection cover and anti insect net.
  • Page 10: Connection

    HESS-OF-S-10K 4. Connection 4.1、Single-phase output AC output Items Description Applicable Model HESS series S model Output Voltage Range (L-N) 200~240Vac, 220Vac default ○ NOTICE • Users can change the output phase mode and output voltage by setup menu. Please read the chapter 5.2 Setting.
  • Page 11 HESS-OF-S-10K Empowering Energy Clean And Affordable...
  • Page 12: Cable & Circuit Breaker Requirement

    HESS-OF-S-10K 4.2、Cable & circuit breaker requirement • PV INPUT Max.PV Input Model Road number Cable Diameter Circuit Breaker Spec Current 5~6mm² 2P-25A HESS-OF-S- 5~6mm² 2P-25A • AC INPUT Max.Input Model Output Mode Cable diameter Circuit Breaker Spec Current HESS-OF-S- Single-phase...
  • Page 13 HESS-OF-S-10K ○ NOTICE • PV INPUT、AC INPUT、AC OUTPUT Use a stripper to remove the 6~8mm insulation of the cable. Fixing a ferrule at the end of the cable. (ferrule needs to be prepared by the user) • BATTERY 1. Use a stripper to remove the 6~8mm insulation of the cable 2.
  • Page 14: Ac Input & Output Connection

    HESS-OF-S-10K 4.3、AC input & output connection Connect the live,neutral and ground wires according to the cables’ position and order shown in the diagram below. △ DANGER Before connecting AC inputs and outputs, the circuit breaker must be opened to avoid the •...
  • Page 15: Pv Connection

    HESS-OF-S-10K △ DANGER • Before connecting battery, the circuit breaker must be opened to avoid the risk of electric shock and must not be operated with electricity. • Make sure that the positive and negative terminals of the battery are connected correctly and not reversed, otherwise the inverter may be damaged.
  • Page 16: Dry Contact Connection

    HESS-OF-S-10K 4.6、Dry contact connection Use a small screwdriver to push back the direction indicated by the arrow, then insert the communication cable into the dry junction port. (Communication cable diameter 0.2~1.5mm²) 4.7、Grounding connection Please make sure the grounding terminal connect to the Grounding Bar.
  • Page 17: Operation

    HESS-OF-S-10K 5. Operation 5.1、Operation and display panel The operation and display panel below includes 1 LCD screen, 3 indicators, 4 touchable keys. • Touchable Keys Touchable Keys Description To enter/exit the setting menu To next selection To last selection To confirm/enter the selection in setting menu •...
  • Page 18 HESS-OF-S-10K • Display panel Icon Description Icon Description Indicates the PV panel Indicates the utility grid Indicates the battery Indicates the generator Indicates the inverter is workin Indicates the home load Indicates the inverter is Indicates the buzzer communicating with data...
  • Page 19 HESS-OF-S-10K Icon Description Icon Description Indicates load power Indicates battery SOC 40%~59% 40%~59% Indicates load power Indicates battery SOC 20%~39% 20%~39% Indicates load power Indicates battery SOC 5%~19% 5%~19% Indicates battery under-voltage Indicates battery discharge Indicates over-load Indicates BMS fault...
  • Page 20 HESS-OF-S-10K • View real-time data In the main screen,press the UP / DOWN keys to view the real-time data of the inverter during operation. ○ NOTICE UP/DOWN Main Screen View Real-Time Data Real-Time Data Page PV side BAT side AC IN side...
  • Page 21: Setting

    HESS-OF-S-10K 5.2、Setting ○ NOTICE UP/DOWN UP/DOWN UP/DOWN Parameter option Parameter ID Empowering Energy Clean And Affordable...
  • Page 22 Solar is the first priority in charging, Utility charging the battery only when solar is not available Only solar charging the battery. 60 default HESS-OF-S-10K current setting range:0~200A. Battery charging current Empowering Energy Clean And Affordable...
  • Page 23 HESS-OF-S-10K Parameter Meaning Options Description USER User-defined, user can set all battery parameter. Sealed lead-acid battery. Flooded lead-acid battery. Battery type GEL default Gel lead-acid battery. LFP li-ion battery, L14\L15\L16 corresponds L14/ L15/ L16 battery cells number in series. N13/ N14 Ternary li-ion battery.
  • Page 24 HESS-OF-S-10K Parameter Meaning Options Description Disable equalization charging. Battery equalization Enable equalization charging, parameter can be set charging ENA default only when battery type is FLd\SLd\USER Setting range: 48V~58V, increment of each click is Battery equalization 0.4V, parameter can be set only...
  • Page 25 Inverter overload switch to bypass ENA default Enable switch to the bypass when the inverter is overload. Max. utility charging 60 default HESS-OF-S-10K, setting range: 0~120A. current RS485 address Id:1 RS485 address setting range: 1~254. SLA default Enabling PC and remote monitoring protocols...
  • Page 26 HESS-OF-S-10K Parameter Meaning Options Description 2nd slot end charging 00:00:00 Setting range: 00:00:00-23:59:00 3rd slot start charging 00:00:00 Setting range: 00:00:00-23:59:00 3rd slot end charging 00:00:00 Setting range: 00:00:00-23:59:00 dIS default Disable this function Enable this function, AC output source mode will switch to...
  • Page 27: Ac Output Mode

    HESS-OF-S-10K 5.3、AC output mode The AC output mode corresponds to the parameter operating priority mode and the utility hybrid with load function setting item, allowing the user to set manually. • Utility Priority Output 01 UTI (default) Utility priority, switching to inverter only when utility is outaged (Priority: Utility > PV > Battery) •...
  • Page 28: Battery Charging Mode

    HESS-OF-S-10K • Inverter Priority Output 01 SbU The PV will supply power to the loads on a priority basis. If the PV is insufficient or unavailable, the battery will be used as a supplement to supply power to the load. When the battery voltage touches the value of...
  • Page 29 HESS-OF-S-10K • Solar Priority Charging CSO PV priority charging, whereby mains charging is only activated when the PV fails. By making full use of the PV during the day and switching to utility charging at night, the battery power can be maintained. This mode is suitable for applications in areas where the grid is relatively stable and electricity is expensive.
  • Page 30: Time-Slot Charging/Discharging Function

    HESS-OF-S-10K 5.5、Time-slot charging/discharging function The SPI series is equipped with a time-slot charging and discharging function, which allows users to set different charging and discharging periods according to the local peak and valley tariffs, so that the utility power and PV energy can be used rationally.
  • Page 31: Battery Parameter

    HESS-OF-S-10K 5.6、Battery parameter Lead-acid battery • Battery type Sealed Gel lead Flood lead acid User-defined Lead Acid adjustable acid (GEL) (FLD) (User) Parameter (SLD) Overvoltage disconnect voltage Recharge recovery voltage after charging (37 √ items) Equalize charging voltage 58.4V 59.2V 40~60V √...
  • Page 32 HESS-OF-S-10K Li-ion batter • Battery type Lithium Lithium Ternary Ternary Lithium iron iron iron adjusta lithium lithium phosphate parameter phosphate phosphate (N13) (N14) (LF16) (LF15) (LF14) Overvoltage disconnect voltage Recharge recovery voltage after charging 50.4V 54.8V 53.6V 50.4V 47.6V √...
  • Page 33: Communication

    HESS-OF-S-10K 6. Communication 6.1、Overview USB port WIFI port RS485/CAN port Dry contact port 6.2、USB port USB typeB USB2.0 printer cable The user can read and modify device parameters through this port by using the host software. Please contact us for the host software installation package if you require one.
  • Page 34: Wifi Port

    HESS-OF-S-10K 6.3、WIFI port The RS485 port is used to connect to the Wi-Fi/GPRS data acquisition module, which allows the user to view the operating status and parameters of the inverter via the mobile phone APP. RJ45 Definition Pin 1 Pin 2...
  • Page 35: Dry Contact

    HESS-OF-S-10K 6.5、Dry contact Dry contact port with 4 functions: 1. Remote switch on/off 2. Switching signal output 3. Battery temperature sampling 4. Generator remote start/ stop Switching signal output Temperature sampling(reserved) Remote on/off Generator remote on/off Function Description When pin 1 is connected with pin 2, the inverter will switched off the AC Remote switch on/off output.
  • Page 36: Faultandremedy

    HESS-OF-S-10K 7. FaultandRemedy 7.1、Fault code Alarm Fault code Does it Fault Meaning Affect the Instructions Code outputs BatVoltLow Battery under-voltage alarm BatOverCurrSw Battery discharge over-current, software protection BatOpen Battery disconnected alarm BatLowEod Battery under-voltage stop discharging alarm BatOverCurrHw Battery over-current hardware protection...
  • Page 37 HESS-OF-S-10K Does it Fault Meaning Affect the Instructions Code outputs OverTemperMppt MPPT heat sink over-temperature protection OverTemperInv Inverter heat sink over-temperature protection FanFail Fan failure EEPROM Reservoir failure ModelNumErr Wrong model Busdiff Busbar voltage imbalance BusShort Busbar short circuit Rlyshort...
  • Page 38: Troubleshooting

    HESS-OF-S-10K 7.2、Troubleshooting Fault Meaning Causality Remedy Code Closing the circuit breaker. Ensure the rocker No power input, or in sleep switch is ON. Push any button on the panel to Screen no display mode. exit sleep mode. Charge the battery and wait until the battery...
  • Page 39: Protectionandmaintenance

    HESS-OF-S-10K ○ NOTICE If you encounter a fault with the product that cannot be solved by the methods in the table above, please contact our after-sales service for technical support and do not disassemble the equipment yourself.。 8. ProtectionandMaintenance 8.1、Protection features...
  • Page 40 HESS-OF-S-10K Protection Feature Instruction After triggering the overload protection the inverter will resume output after 3 minutes, 5 consecutive overloads will switch off the output until the inverter is restarted. Inverter over-load protection alarm (102%<load<110%) : and output shutdown after 5min;...
  • Page 41: Maintenance

    HESS-OF-S-10K 8.2、Maintenance To maintain optimum and long-lasting working performance, we recommend that the following items are checked twice a year. Ensure that the airflow around the inverter is not blocked and remove any dirt or debris from the radiator. Check that all exposed conductors are not damaged by sunlight, friction with other surrounding objects, dry rot, insect or rodent damage, etc.
  • Page 42: Datasheet

    HESS-OF-S-10K 9. Datasheet CAN BE MODEL HESS-OF-S-10K INVERTER OUTPUT Rated Output Power 10,000W Max.Peak Power 20,000W Rated Output Voltage 220Vac(Single phase) Load Capacity of Motors Rated AC Frequency 50/60Hz Waveform Pure Sine Wave Switch Time 10ms(typical) Parallel capacity After triggering the overload protection the inverter will resume output after 3 minutes, 5 consecutive overloads will switch off the output until the inverter is restarted.
  • Page 43 HESS-OF-S-10K -10~55℃,>45℃ derated Operating Temperature Range (14~131℉,>113℉ derated) Noise <60dB Cooling Method Internal Fan Warranty 1 Years COMMUNICATION Embedded Interfaces RS485 / CAN / USB / Dry contact External Modules (Optional) Wi-Fi / GPRS CERTIFICATION Safety IEC62109-1, IEC62109-2 EN61000-6-1, EN61000-6-3...
  • Page 44 Jiangsu Hanchu Energy Technology Co., Ltd. No.588.Jinhui Road, Huishan Economic Development District, Wuxi City, Jiangsu Province, China Hotline:+86-51088876668/+86-51088865288 Email:service@hanchuess.com Web:www.hanchuess.com...

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