FoxESS AC1 Series User Manual
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FoxESS AC1 Series User Manual

FoxESS AC1 Series User Manual

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H1/AC1 SERIES
In order to prevent improper operation before use, please carefully read this manual.

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Summary of Contents for FoxESS AC1 Series

  • Page 1 H1/AC1 SERIES In order to prevent improper operation before use, please carefully read this manual.

  • Page 3: Table Of Contents

    Table of Contents Notes on This Manual ........................2 1.1 Scope of Validity .......................... 2 1.2 Target Group ..........................2 1.3 Symbols Used ..........................2 Safety ..............................3 2.1 Appropriate Usage ........................3 2.2 PE Connection and Leakage Current ..................4 2.3 Surge Protection Devices (SPDs) for PV Installation ..............5 Introduction ............................5 3.1 Basic Features ..........................5 3.2 Dimensions ..........................6...

  • Page 4: Notes On This Manual

    1. Notes on This Manual 1.1 Scope of Validity This manual describes the assembly, installation, commissioning, maintenance and troubleshooting of the following model(s) of Fox ESS products: H1- 3.0-E H1- 3.7-E H1- 4.6-E H1- 5.0-E H1- 6.0-E H1-4.6-E1 H1-5.0-E1 AC1- 3.0-E AC1- 3.7-E AC1- 4.6-E AC1- 5.0-E...

  • Page 5: Safety

    2. Safety 2.1 Appropriate Usage H1/AC1 series inverters are designed and tested in accordance with international safety requirements. However, certain safety precautions must be taken when installing and operating this inverter. The installer must read and follow all instructions, cautions and warnings in this installation manual.

  • Page 6: Pe Connection And Leakage Current

    Any time the inverter has been disconnected from the public network, please be extremely cautious as some components can retain charge sufficient to create a shock hazard. Prior to touching any part of the inverter please ensure surfaces and equipment are under touch safe temperatures and voltage potentials before proceeding.

  • Page 7: Surge Protection Devices (Spds) For Pv Installation

    3. Introduction 3.1 Basic Features H1/AC1 series is high-quality inverters which can convert solar energy to AC energy and store energy into battery. The inverter can be used to optimize self-consumption, store in the battery for future use or feed-in to public grid. Work mode depends on PV energy and user’s preference.

  • Page 8: Dimensions

    LED status indications. LCD display technical data, human-machine interaction through four touch keys. PC remote control. • Work modes: Work modes Description Priority: load>battery>grid Self-use The energy produced by the PV system is used to optimize self-consumption. (with PV Power) The excess energy is used to charge the batteries, then exported to gird.

  • Page 9: Terminals Of Inverter

    3.3 Terminals of Inverter Item Description DC Switch (For Hybrid Only) PV1 (For Hybrid Only) PV2 (For Hybrid Only) Battery Connector METER/CT/RS485 WiFi /4G/ USB Waterproof Lock Valve GRID Grounding Screw Note: Only authorized personnel are permitted to set the connection.

  • Page 10: Technical Data

    4. Technical Data 4.1 PV Input (For Hybrid Only) Model H1-3.0-E H1-3.7-E H1-4.6-E H1-4.6-E1[1] H1-5.0-E H1-5.0-E1[1] H1-6.0-E 3900 4680 5980 5980 6500 6500 7800 Max. recommended DC power [W] A:2000 A:2400 A:3000 A:3000 A:3300 A:3300 A:3900 B:2000 B:2400 B:3000 B:3000 B:3300 B:3300 B:3900...

  • Page 11: Ac Output/Input

    4.3 AC Output/Input H1-3.0-E H1-3.7-E H1-4.6-E H1-4.6-E1[1] H1-5.0-E H1-5.0-E1[1] H1-6.0-E Model AC1-3.0-E AC1-3.7-E AC1-4.6-E AC1-4.6-E1[1] AC1-5.0-E AC1-5.0-E1[1] AC1-6.0-E AC OUTPUT Nominal AC power [VA] 3000 3680 4600 4600 5000 5000 6000 4048 5060 Max. apparent AC power [VA] 3300 4600 5500 5000 6600...

  • Page 12: Efficiency, Safety And Protection

    4.5 Efficiency, Safety and Protection H1-3.0-E H1-3.7-E H1-4.6-E H1-4.6-E1[1] H1-5.0-E H1-5.0-E1[1] H1-6.0-E Model AC1-3.0-E AC1-3.7-E AC1-4.6-E AC1-4.6-E1[1] AC1-5.0-E AC1-5.0-E1[1] AC1-6.0-E EFFICIENCY MPPT efficiency 99.90% 99.90% 99.90% 99.90% 99.90% 99.90% 99.90% Euro-efficiency 97.00% 97.00% 97.00% 97.00% 97.00% 97.00% 97.00% Max. efficiency 97.80% 97.80% 97.80%...

  • Page 13: Installation

    5. Installation 5.1 Check for Physical Damage Make sure the inverter is intact during transportation. If there is any visible damage, such as cracks, please contact your dealer immediately. 5.2 Packing List Open the package and take out the product, please check the accessories first. The packing list shown as below.

  • Page 14: Mounting

    5.3 Mounting • Installation Precaution Make sure the installation site meets the following conditions: Not in direct sunlight. Not in areas where highly flammable materials are stored. Not in potential explosive areas. Not in the cool air directly. Not near the television antenna or antenna cable. Not higher than altitude of about 2000m above sea level.
  • Page 15 Step 1: Fix the bracket on the wall Choose the place you want to install the inverter. Place the bracket on the wall and mark the position of the 5 holes from bracket. Drill holes with electric drill, make sure the holes are at least 50mm deep, and then tighten the expansion tubes.

  • Page 16: Electrical Connection

    Step 2: Match the inverter with wall bracket Hang the inverter over the bracket, slightly lower the inverter, and make sure the 2 grooves on the back are fixed with the 2 mounting bars from bracket properly. Fixing inverter with the supplied M5 screw. 6.

  • Page 17: Battery Connection

    Step 2: PV Wiring • Turn off the DC switch. • Choose 12 AWG wire to connect the PV module. • Trim 6mm of insulation from the wire end. • Separate the DC connector (PV) as below. • Insert striped cable into pin contact and ensure all conductor strands are captured in the pin contact. •...

  • Page 18: Ac Connection

    6.3 AC Connection Step 1: AC String Connection H1/AC1 series inverters are designed for single-phase grid. Voltage range is 220/230/240V; frequency is 50/60Hz. Other technical requests should comply with the requirement of the local public grid. Table1: Without EPS Function (internal) H1-3.0-E...
  • Page 19 Note: If you don't use the EPS function, the wiring conduct core section can refer to the parameters of table 1. If you use the EPS function,the wiring conduct core section can refer to the parameters of table 2. A micro-breaker for max output overcurrent protection device shall be installed between inverter and grid, and the current of the protection device is referred to the table above, any load SHOULD NOT be connected with the inverter directly.
  • Page 20 • Push the threaded sleeve to connection terminal until both are locked tightly on the inverter. • Loosen the cap on the terminal, pull the threaded sleeve out of the socket. GRID Wiring • Separate the GRID plug into three parts as below. - Hold middle part of the female insert, rotate the back shell to loosen it, detach it from female inset.

  • Page 21: Earth Connection

    Screw the ground screw with screwdriver as shown below: 6.5 Communication Device Installation (Optional) H1/AC1 series inverter are available with multiple communication options such as WiFi, LAN, 4G, RS485 and Meter with an external device. Operating information like output voltage, current, frequency, fault information, etc., can be monitored locally or remotely via these interfaces.
  • Page 22 Meter/CT/RS485 • The inverter has integrated export limitation functionality. To use this function, a power meter or a CT must be installed. The PIN definitions of Meter/CT/485 interface are as below. Definition Meter485A Meter485B Logger 485B Logger 485A CT2+ CT2- CT1- CT1+ Note:...
  • Page 23 Meter/CT setting: Short press the touch key to switch display or make the number+1. Long press the touch key to confirm your setting. Settings Feature Parm Meter/CT If there is another generator in the home, Meter2 or CT2 can be used to record the power generated by the generator and transmit the data to the website for monitoring.
  • Page 24 Wiring diagram for solution Meter1+CT2: Caution: Please do the wiring strictly according to the diagram below, do not exchange Meter1 and Meter2 location in following dual-meter wiring solution, or may lead to unpredictable malfunction in data-recording. You can discern Meter1 or Meter2 from the package of the Meter. Default Modbus address for Meter1 is 1, default Modbus address for Meter2 is 2.
  • Page 25 Note! For a precise reading and control of power, a meter can be used instead of a CT. If the CT is fitted in the wrong orientation, anti-backflow function will fail. - RS485 RS485 is a standard communication interface which can transmit the real time data from inverter to PC or other monitoring devices.
  • Page 26 Export limitation setting: Settings On-Grid Parm Export Control xxxxxW The electricity meter is connected as follows: Note: Meter type: DDSU666 (CHINT)
  • Page 27 • Communication interface between inverter and battery is RS485 or CAN with a Rj45 connector. BMS-485B BMS-CANL BMS-CANH BMS-485A Definition Connection steps: Step 1: Prepare a standard network cable and cable connector, then insert the network cable through the cable connector. Step 2: Crimp the cable with a Rj45 plug which is inside of the cable connector.
  • Page 28 • DRM0 setting Settings Feature Parm DRM0 Enable/Disable DRM is provided to support several demand response modes by emitting control signals as below. Mode Requirement DRM0 Operate the disconnection device. DRM1 Do not consume power. DRM2 Do not consume at more than 50% of rated power. DRM3 Do not consume at more than 75% of rated power and source reactive power if capable.
  • Page 29 • ESTOP: Close the inverter. Generator: Connect the generator and start-up it. CAN: External debug. Definition +3.3 V GND GENERATOR BMS-CANL BMS-CANH +3.3V GND ESTOP Model Socket asserted by shorting pins Function ESTOP Emergency stop the inverter. Connection steps: Step 1: Screw this plate off from inverter. Step 2: Prepare a standard network cable and cable connector, then insert the network cable through the cable connector.

  • Page 30: Eps Connection

    • Reactive Power Regulation for Voltage Variation (Volt-VAr Mode) Details of how to enable this mode are contained in the “Advanced Configuration Guide”, which can be accessed at our website at https://www.foxess.com. • Power Derating for Voltage Variation (Volt-Watt Mode) Details of how to enable this mode are contained in the “Advanced Configuration Guide”, which can be...
  • Page 31 Notes: 1.Under On-grid mode, please ensure that the EPS loads power is lower than the inverter's maximum Bypass power. 2.Under Off-grid mode, ensure that the EPS loads power is lower than the inverter's maximum EPS power. 3. We suggest not connect the inductive loads on EPS port. Use External EPS Wiring: •...

  • Page 32: System Connection Diagrams

    6.7 System Connection Diagrams...

  • Page 33: Inverter Start-Up

    6.8 Inverter Start-Up Please refer to the following steps to start up the inverter. Ensure the inverter fixed well on the wall. Make sure all the DC wirings and AC wirings are completed. Make sure the CT/meter is connected well. Make sure the battery is connected well.

  • Page 34: Firmware Upgrading

    7. Firmware Upgrading User can upgrade inverter's firmware via a U-disk. • Preparation Please ensure the inverter is steadily powered on. Inverter must keep the battery on through whole procedure of upgrading. Please prepare a PC and make sure the size of U-disk is under 32G, and the format is fat 16 or fat 32. Caution! Please DO NOT apply USB3.0 U-disk on inverter USB port, the inverter USB port only support for USB2.0 U-disk.

  • Page 35: Operation

    8. Operation 8.1 Control Panel Object Name Function LCD screen Display the information of the inverter. Red: The inverter is in fault mode. Indicator LED Blue: The inverter is normally connected to the battery. Green: The inverter is in normal state. Up button: Move cursor to upside or increase value.

  • Page 36: Function Tree

    8.2 Function Tree 9. Maintenance This section contains information and procedures for solving possible problems with the Fox ESS inverters and provides you with troubleshooting tips to identify and solve most problems that can occur. 9.1 Alarm List Fault Code Solution Grid is lost.
  • Page 37 Grid frequency out of range. Grid Freq Fault • System will reconnect if the utility is back to normal. • Or seek help from us, if not go back to normal state. The grid voltage is out of range for the last 10 Minutes. 10min Volt Fault •...
  • Page 38 The inverter temperature is high. • Please check if the environment temperature. Temp Fault • Wait for a while to check if back to normal. • Or seek for help from us. The ground connection is failed. • Check the voltage of neutral and PE. Ground Fault •...
  • Page 39 Residual current detection device is failed. Res Cur HW Fault • Disconnect PV, grid and battery, then reconnect. • Or seek help from us, if not go back to normal state. The inverter eeprom is fault. Inv EEPROM Fault • Disconnect PV, grid and battery, then reconnect. •...
  • Page 40 The grid relay M1 keep close. M1 Close Fault • Disconnect PV, grid and battery, then reconnect. • Or seek help from us, if not go back to normal state. The grid relay M2 keep close. M2 Close Fault • Disconnect PV, grid and battery, then reconnect. •...
  • Page 41 Battery over voltage. Bms Volt High • Please contact battery supplier. Battery under voltage. Bms Volt Low • Please contact battery supplier. Battery charge over current. Bms ChgCur High • Please contact battery supplier. Battery discharge over current. Bms DchgCur High •...

  • Page 42: Troubleshooting And Routine Maintenance

    The cell manufacture is different. Bms Mfg Unmatch • Please contact battery supplier. The slave software and hardware are not match. Bms SwHw Unmatch • Please contact battery supplier. The software between Master and Slave are not match. Bms M&S Unmatch •...

  • Page 43: Decommissioning

    10. Decommissioning 10.1Dismantling the Inverter Disconnect the inverter from DC Input and AC output. Wait for 5 minutes for the inverter to fully de-energize. Disconnect communication and optional connection wirings. Remove the inverter from the bracket. Remove the bracket if necessary. 10.2 Packaging If possible, please pack the inverter with the original packaging.
  • Page 44 The copyright of this manual belongs to FOXESS CO., LTD. Any corporation or individual should not plagiarize, partially or fully copy (including software, etc.), and no reproduction or distribution of it in any form or by any means is permitted. All rights reserved.

This manual is also suitable for:

H1 seriesH1-3.0-eH1-3.7-eH1-4.6-eH1-5.0-eH1-6.0-e ... Show all

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