Sofar ESI 3-6K-S1 Series User Manual
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Sofar ESI 3-6K-S1 Series User Manual

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Summary of Contents for Sofar ESI 3-6K-S1 Series

  • Page 1 ESI 3-6K-S1 User Manual...

  • Page 3: Table Of Contents

    Content Content Preface 1 Basic Safety Information 1.1 Requirement for Installation and Maintenance 1.2 Symbols and Signs 2 Product Introduction 2.1 Product Overview 2.2 Product Model Description 2.3 Product Capacity Description 2.4 Product Appearance 2.5 Buttons and Indicator Lights 2.6 Product label 3 Product Installation 3.1 Checking Before Installation 3.2 Installation Tools...
  • Page 4 Content 4.3 Electrical Connection for Internal System 4.4 External Electrical Connection 4.5 Install the cover 4.6 Parallel system 4.7 System Electrical Topology 5 Commissioning 5.1 Checking Before System Starting 5.2 Electrify for the First Time（Important） 5.3 Steps of Shutdown 5.4 Menu 5.5 Monitoring description 6 Trouble shooting and maintenance 6.1 Troubleshooting...

  • Page 5: Preface

    Any corporation or individual should not plagiarize, partially cope or fully copy (including software, etc.), not allow to duplication and publishment in any form and any way. All rights reserved, SOFAR reserves the right of final interpretation. This manual subject to modify according to user's or customer's feedback.
  • Page 6 Preface Outline Please read the product manual carefully before installation, operation or maintenance. This manual contains important safety instructions and installation instructions that must be followed during installation and maintenance of the equipment. Scope of Validity This product manual describes the installation, electrical connections, commissioning, maintenance and troubleshooting of ESI Series products.

  • Page 7: Basic Safety Information

    Basic Safety Information Basic Safety Information Outlines of this Chapter Please read the instruction carefully. Faulty operation may cause serious injury or death. If you have any question or problem when you read the following information, please contact SHENZHEN SOFARSOLAR CO., Ltd. Note 1.1 Requirement for Installation and Maintenance Common Requirements...
  • Page 8 (all accident precautions in force in the user's country must be followed!) SOFAR will not be responsible for any personal injury or property injury caused by improper use.
  • Page 9 If you find any packing problems that may cause the damage of inverter or any visible damage, please notice the responsible transportation company immediately. You can ask your installer or SOFAR for help is necessary. This product contains battery module through UN38.3, belongs to the ninth category of dangerous goods.
  • Page 10 Basic Safety Information Electrical Connection Please comply with all the current electrical regulations about accident prevention in dealing with the current inverter. Before the electrical connection, use opaque material to cover the PV modules or disconnect PV string DC switch. PV arrays will produce dangerous voltage if it is exposure under sun.

  • Page 11: Symbols And Signs

    Attention Ensure the maximum DC voltage input is less than the product’s maximum voltage (including temperature condition). Any damage cause by over-voltage, SOFAR will not take the responsibility including warranty Warning User Manual...
  • Page 12 Basic Safety Information The product has some safety symbols on it. Please read and fully understand the content of the symbols before installation. Sings on the inverter module Symbols Name Explanation After disconnect with the DC side, This is a residual there is a residual voltage in the voltage in the inverter module, operator should wait...

  • Page 13: Product Introduction

    Product Introduction 2.1 Product Overview 2.1.1 Product Brief Introduction ESI 3-6K-S1 series inverters support multi-power segment operation. Including PV, energy storage, grid connection, EPS and other corresponding functions in one. PV is two independent MPPT tracking channels, suitable for different installation environments. The ESI 3-6K-S1 inverter can be installed with or without batteries.

  • Page 14: Product Model Description

    Product Introduction Figure 2.1.1-1 ESI series application principle diagram 2.2 Product Model Description Figure 2.2-1 Inverter Model Identifiers Table 2.2-1 Inverter Model demonstration Meaning Meaning Specification Product Model Stacked optical storage all in one machine ① 5K，the power grade of inverter is 5kw. Power Grade Power grade list：...

  • Page 15: Product Capacity Description

    Product Introduction 2.3 Product Capacity Description The ESI series residential energy storage system supports power and capacity expansion and supports up to six inverter modules in parallel. One inverter module supports up to six batteries expansion modules. Figure 2.3-1 Storage Capacity Description This product contains only inverter modules.

  • Page 16: Product Appearance

    Product Introduction 2.4 Product Appearance Figure 2.4-1 Inverter front side and back side Front Side Back Side Figure 2.4-2 System front side and back side Inverter Pedestal DC Switch Inverter Radiator LCD display screen Battery Module Radiator Battery Module ESI 3-6K-S1...
  • Page 17 Product Introduction 2.4.1 Inverter Port Right side port Left side port Figure 2.4.1-1 Inverter port diagram Grid connection port WIFI/4G port Load connection port Battery button switch Inverter signal port Battery DC switch PV DC Switch Battery connection port PV input port Battery signal port User Manual...

  • Page 18: Buttons And Indicator Lights

    Product Introduction 2.5 Buttons and Indicator Lights Figure 2.5-1 Buttons and indicator lights System power indicator Buttons System status indicator LCD screen 2.5.1 Buttons Press “back” to the previous screen or enter the main interface.  Press “up” to the upper menu option or value plus 1. ...
  • Page 19 Product Introduction 2.5.3 Battery capacity indicator Icon Battery capacity Capacity explanation The battery capacity is 80%-100% full 60%-80% 40%-60% 20%-40% The battery capacity is insufficient, and the 5%-20% battery generates a low voltage alarm. The battery enters the 0%-5% standby state User Manual...

  • Page 20: Product Label

    Product Introduction 2.6 Product label Figure 2.6-1 The location of the label The picture is only for reference, please make the object as the standard. Note ESI 3-6K-S1...

  • Page 21: Product Installation

    Product Installation Product Installation 3.1 Checking Before Installation Checking Outer Packing Materials Before opening the battery and inverter package, check whether the outer package is damaged, such as holes and cracks, and check the inverter and battery model. If any damage is found or the inverter and battery model does not match your requirements, please do not open the product package and contact your distributor as soon as possible.
  • Page 22 Product Installation M6 socket head Secure the backplane wrench and inverter Use to crimp cable on grid side, load side Crimping Tool and CT extensive cable Check whether the cable connection is correct, the positive and negative Multimeter terminals of the battery are correct, and the grounding is reliable...

  • Page 23: Installation Environment

    Product Installation Installer wear when Safety goggle drill holes Installer wear when Mask drill holes Remove the output Removal Tool terminal of the battery module Install Fixed support sleeve rack Used to crimp OT Crimping tools connector 3.3 Installation environment Choose a dry, clean, neat and convenient location for installation.

  • Page 24: Installation Space

    Product Installation Figure 3.3-1 Installation Environment Diagram 3.4 Installation Space To ensure sufficient space for installation and heat dissipation, reserve sufficient space around the ESI series household energy storage system. The requirements are as follows: ESI 3-6K-S1...
  • Page 25 Product Installation Figure 3.4-1 Installation space diagram User Manual...

  • Page 26: Product Installation

    Product Installation 3.5 Product Installation Figure 3.5-1 ESI series installation dimensions diagram Pedestal installation Procedure： 1）Place the pedestal against a wall and keep it 10 to 25mm away from the wall. Adjust the hole positions using a level, and mark the hole positions using a marker.
  • Page 27 Product Installation inverters based on the dimensions shown in Figure 3.5-2. ③ ① Inverter Levelling instrument Third Battery 60mm PACK Second Battery PACK Wall Baseboard 10~25mm Right Left Ground First Battery PACK ② 5 N·m 5 N·m Enlarged drawing A If holes cannot be drilled on the ground,the battery expansion modules must be secured on the wall Figure 3.5-2 Pedestal installation...
  • Page 28 Product Installation 2 ）Install connectors on both sides and tighten the six screws using a cross screwdriver. 3）Install the remaining battery modules and inverters from bottom to top. (Before installing the next module, ensure that the screws on the side connectors of the previous module are firmly installed.) Figure 3.5-3 Battery module and inverter installation diagram Support rack installation：...
  • Page 29 Product Installation 2）Install the support rack B on the wall, and fastening expansion bolt. 3）Adjust the support rack A, make sure the holes are matched between rack A and rack B. 4）Connect and fix the rack A and rack B with M6*16 screws. Figure 3.5-4 Schematic diagram of wall fixing installation User Manual...

  • Page 30: Electrical Connection

    Electrical Connection Electrical Connection 4.1 Attentions Before Connection The voltage in the power conversion circuit of this product is very high. Fatal danger of electric shock or severe burns. All electrical connections of photovoltaic modules, inverters and battery systems must be carried out by qualified personnel.

  • Page 31: Electrical Connection For Internal System

    Electrical Connection Table 4.2-1 Cables prepared by customers Cable Recommended specifications PV connection cable UL10269 12AWG AC Grid connection cable UL10269 8AWG EPS connection cable UL10269 10AWG Grounding cable UL10269 8AWG 4.3 Electrical Connection for Internal System 4.3.1 Internal protection grounding cable connection Connect the grounding cables of the battery module and inverter as shown in Figure 4.3.1-1.
  • Page 32 Electrical Connection Figure 4.3.1-1 Internal grounding cable connection 4.3.2 Power cables connection As shown in Figure 4.3.2-1, connect the power ports (BAT+, BAT-) of the inverter to the cascading positive and negative power cables (B+,B -) of the battery module. Connect the remaining battery modules from top to bottom, and secure the cables with cable ties.
  • Page 33 Electrical Connection If the system capacity is greater than 15kWh, the batteries are  connected to the inverter's battery input interface in two independent groups. Figure 4.3.2-1 Connection of battery internal DC terminal User Manual...
  • Page 34 Electrical Connection 4.3.3 Internal communication cable connection Connect the communication terminals of the inverter and battery module from top to bottom according to 4.3.3-1 in the following figure, and secure them with cable ties. For the communication cable, tighten the large nut and then the small nut.

  • Page 35: External Electrical Connection

    Electrical Connection 4.3.4 Data collector connection Connect the standard WIFI/4G collector in the inverter package according to 4.3.4-1 in the following figure. Figure 4.3.4-1 WIFI/4G connection 4.4 External Electrical Connection 4.4.1 External ground Connection of the PGND cable Procedure 1 Crimp OT terminals Precautions：...
  • Page 36 Electrical Connection OT terminal. The crimping line can be covered with heat shrink tubing or insulation  tape. Figure 4.4.1-1 Diagram of Crimping OT terminals Procedure 2 The OT terminal is crimped properly, and the ground cable is connected to the position shown in the following figure. Figure 4.4.4-2 Connect the grounding wire ESI 3-6K-S1...
  • Page 37 Electrical Connection 4.4.2 PV module connection Recommended DC input cable specifications CAS (mm External cable diameter(mm Range Recommended value 4.0~6.0 4.5~7.8 Connection Procedure： Step 1：Prepare PV positive and negative power cables； Positive connector Negative connector Figure 4.4.2-1 Prepare PV positive and negative power cable Step 2 ：...
  • Page 38 Electrical Connection Step 3：Ensure that the DC voltage of each PV string is less than 600V and the polarity of PV cables are correct. Insert the positive and negative connectors into the corresponding PV region of the ESI series inverter until a click is heard. As the figure 4.4.2-3 showing.
  • Page 39 Electrical Connection 4.4.3 Grid connection Install AC wiring terminals Take out AC wiring terminals from the carton of the inverter, strip and install cables according to the cable specifications listed in Table 4.4.3-1. Figure 4.4.3.-1 Wire stripping size Installation Step Insert the cable into the rubber After riveting the peeling wire core according to the wire...
  • Page 40 Electrical Connection Tighten the nut with an open The body is inserted into the wrench and make a "click" sound core and a click is heard Insert the female end of the wire into Installation complete the male end and hear a "click" sound. Figure 4.4.3-2 Installation Procedure Diagram Removal Step...
  • Page 41 Electrical Connection Hold the unlocking buckle with Remove the red circles on both one hand and rotate it in the sides using a screwdriver. direction indicated, while rotate the nut in the opposite direction with the other hand. Figure 4.4.3-3 Removal procedure Connect the AC wiring terminals to the corresponding AC Grid ports, as shown in the following figure.
  • Page 42 Electrical Connection 4.4.4 EPS connection According to the cable specifications given in Table 4.2-1, peel the cable according to the following figure 4.4.4-1. Then install the EPS connector according to 4.4.4-2. Finally, insert the installed EPS connector into the corresponding position of the inverter according to Figure 4.4.4-3. Figure 4.4.4-1 Stripping diagram Install procedure L/N/PE are labeled here...
  • Page 43 Electrical Connection Screw locking nut into main Installation complete body, torque 2.5± 0.5n.m Figure 4.4.4-2 EPS Connector installation Figure 4.4.4-3 EPS connection The EPS connector must be connected to the inverter port, even if it is not used. Note User Manual...
  • Page 44 Electrical Connection 4.4.5 COM-Multi function communication connection Figure 4.4.5-1 COM port diagram Table 4.4.5-1 Port description Definition Function Comment UC-A RS485 differential signal -A Inverter monitoring 485 signal UC-B RS485 differential signal -B RS485 differential signal + Battery 485 signal RS485 differential signal - MET-A RS485 differential signal -A...
  • Page 45 Electrical Connection D1/5 （DRMS）Logical interfaces use for below standard D4/8 Australia（AS4777）， Logic interface signal Europe General D2/6 （50549），German （4105） D3/7 Current transformer output positive terminal Current transformer communication signal Current transformer output negative pole Link Port Figure 4.4.5-2 Link Port diagram Table 4.4.5-2 Link Port description Icon Define...
  • Page 46 Electrical Connection The wire stripping is divided into 2 to 9 holes and 12 to 19 holes. The wire stripping size is defined according to the cable. Figure 4.4.5-3 Schematic diagram of wire stripping size 1. RS485（Wired monitoring or inverter cascade monitoring） Refer to the figure shown below, connect the RS485+ and RS485- of the inverter to the TX+ and TX- of the RS485→...
  • Page 47 Electrical Connection RS485 wires are connected in parallel between inverters. When multiple inverters are connected via RS485 wires, set communication address to differentiate the inverters， please refer to this manual <5.4.1 System setting→6.Communication Addr>. Note 2. Logic interface The logic interface pin definitions and circuit connections are as follows: Logic interface pin are defined according to different standard requirements （a）Logic interface for AS/NZS 4777.2:2020, also know n as inverter demand response modes (DRMs).
  • Page 48 Electrical Connection Figure 4.4.5-5 DRMs wiring diagram Table 4.4.5-4 Function description of the terminal COM Pin NO. Pin name Description Connected to (RRCR) Relay contact 1 PIN 16(PIN2) K1 - Relay 1 output input PIN 12(PIN1) K1 - Relay 1 output Table 4.4.5-5 The inverter is preconfigured to the following RRCR power levels, close is 1, open is 0 Active Power...
  • Page 49 There are two ways to get grid current information: Plan A: CT (default) Plan B: Meter +CT If you need to use the meter +CT scheme, please contact SOFAR staff to purchase the appropriate meter and CT. Installation procedure for connecting cables...
  • Page 50 Electrical Connection Remove the plug from the Insert the wire into the plug and thread the terminal corresponding termin in the order shown Line core, rubber core area can not Crimp the wire with a appear riding line phenomenon, flat-head screwdriver with a rubber core into the main body torque of 1.2±...
  • Page 51 Electrical Connection Insert the stripped COM connector into the corresponding port of the inverter, as shown in the following figure. Figure 4.4.5-8 COM connection 4. Feed-in limit function The feed-in limit function can be used to limit the power fed back into the grid.

  • Page 52: Install The Cover

    Electrical Connection 4.4.6 Smart Meter /CT Refer to the COM interface description in Figure 4.4.5-6 Meter, the RS485A and RS485B of the electricity meter should be connected to pin6 and pin7 of the COM port of the inverter. Figure 4.4.6-1 Smart meter/CT connection diagram 4.5 Install the cover After electrical connections are complete and cable connections are correct and reliable, install the external protective cover and secure it using screws.

  • Page 53: Parallel System

    Electrical Connection Figure 4.5-1 Install the cover 4.6 Parallel system Refer to figure 4.6-1 below and connect the system in parallel according to the success of the master and slave (up to 6 units). The dip switch inside the COM 24PIN connector of the first and last system inverter should be moved to the position of ON.
  • Page 54 Electrical Connection ESI 3-6K-S1...

  • Page 55: System Electrical Topology

    Electrical Connection 4.7 System Electrical Topology SOFAR has already integrated RCMU (residual current monitoring unit) inside inverter. If an external RCD is required, a type-A RCD with rated residual current of 100mA or higher is suggested. ESI series household energy storage system is mainly composed of PV modules, BTS 5K battery modules, inverters, AC switches, load and distribution units, smart meters /CT, and power grid.
  • Page 56 Electrical Connection a. Ensure that the AC LOAD PE line and AC GRID PE line must be connected to the PE-BAR in the distribution box, as shown in the diagram. Otherwise, the inverter may be abnormal in off-grid mode. b. Check whether NeutralPointGrounding is enabled, if not, enable it manually.
  • Page 57 Electrical Connection Figure 4.7-2 System Electrical Topology (For Australia, South Africa and New Zealand) Install Residual current device (RCD)in front of the load RCD is necessary for critical load, but optional for  normal load. In off-grid mode, the Entry master switch is unprotected and load leakage could lead to shock danger.

  • Page 58: Commissioning

    Commissioning Commissioning 5.1 Checking Before System Starting Please double check the following items before running The product should be completely fixed on the pedestal bracket, and the connection with the wall should be tight and firm. The PV+/PV- line is firmly connected, the polarity is correct, and the voltage is in line with the accessible range.
  • Page 59 Commissioning Press the system power button, and the inverter starts running. The system status indicator is blue. When the inverter is running, set the following parameters. Table 5-1 Setting parameter Language selection Set system time[1] Set Safety Param → → English Select safety 2022-11-02 14:36:28...
  • Page 60 Commissioning UNE 217002 RD647 Spain UNE+RD Spain island Spain island NTS typeA Spain NTS typeA 000 Turkey EN 50549-1 Turkey Denmark Denmark DK-TR322 DK-TR 322 Denmark Western Denmark Western Denmark Eastern Denmark Eastern Denmark GR-Continent GR-Continent Greece GR-Island GR-Island 000 Netherland EN 50549-1 Netherland low-voltage C10/11...

  • Page 61: Steps Of Shutdown

    Commissioning PPDS 2023-A1 AC ≤16A,typeA1 AC＞16A,typeA2/B/C/D PPDS 2023 000 Slovenia SIST EN 50549-1 Slovenia sigle phase inverter≤6KVA; 001 Ireland EN 50549-1 three phase inverter ≤11KVA 000 South Africa NRS 097-2-1 South Africa-A 000 Romania ANRE 208 Romania 000 Finland EN 50549-1 Finland It’s very important to make sure that you have selected the correct country code according to requirements of local...

  • Page 62: Menu

    Commissioning DC switch on the battery side of the product to OFF, and the blue indicator light of the system status goes out; Close the AC circuit breaker between the inverter load port and the emergency load. 5.4 Menu Circulates current PV and battery Display current inverter statue status...
  • Page 63 Commissioning Batt SOC...........**% Batt Cycles..........**T PV Information PV1 Voltage ........***.*V PV1 Current.........**.**A PV1 Power.........**.*kW PV2 Voltage ........***.*V PV2 Current.........**.**A PV2 Power.........**.*kW PV-Ext Power........**.*kW In the main interface, press button to enter main menu. The main “ ” menu has the following six options. Main Interface 1.System Settings 2.Advanced Settings...
  • Page 64 Commissioning [1] Appears only when Italian grid code is selected. Language Settings Used to set the menu display language. 1.中文 1.Language Settings 2.English 3.Italiano 4.Português 5.Deutsch 6.Čeština 7.Française 8.Español 9.Polski 10.Suomi System Time Set the system time for the inverter. 2.Time Time 2022-05-13 17:07:00...
  • Page 65 Commissioning 3.Timing Mode 4.Passive Mode 4.1 Self-use Mode In Self-use mode, inverter will automatically charge & discharge the battery. If PV power = load power 2) If PV generation > LOAD (including emergency load and consumption, the surplus power ordinary load), the inverter will not will be stored in the battery.
  • Page 66 Commissioning 4.2 Time-of-use Mode If electricity is more expensive in high demand time (peak rate) & electricity is much cheaper in low demand time (off-peak rate). You can select an off-peak period to charge your battery. Outside the off-peak charge period, inverter is working in Auto Mode.
  • Page 67 DisCharge End 16 h 00m DisCharge Power 02500 W 4.4 Passive Mode 4.Passive Mode For more detailed information, please ask representative of SOFAR to get a copy of passive mode communication protocol. EPS Mode 5.EPS Mode 1.EPS Mode Control 1）If generation >...
  • Page 68 Commissioning Communication Addr 6.Communication Addr 1.Communication Addr. 2.Baud Rate 5.4.2 Advanced Setting 2.Advanced setting Enter 0715 1.Battery Parameter 2.Battery Active 3.Set Feed-in Limit 4.IV Curve Scan 5.Logic Interface 6.Factory Reset 7.Reset Password[1] 8.Parallel Settings 9.Reset Bluetooth 10.CT Calibration 11.NeutralPointGrounding 12.Set PCC Power Offset [1] Appears only when UK grid code is selected.
  • Page 69 Commissioning port of the inverter. Battery 1 2.Battery 1 1.Depth of Discharge 2.Enable Force Full Charge 3.Save Depth of Discharge For example: if Depth of Discharge = 50% & EPS Depth of Discharge = 80%. While grid is connected: Inverter won’t discharge the battery when its SOC is less than 50%.
  • Page 70 Commissioning 3.Set Feed-in Limit 1.Feed-in Limit 2.Hard Limit Control 3.Feed-in Power 4.PCC Limit Scheme Config 4.PCC Limit Scheme Config 1.PCC Limit bit 2.Device type 3.Current limit percent 4.Lock enable bit 5.Reset flag bit 6.Lock flag bit cleared 7.Status query IV Curve Scan When a component of PV modules is blocked or abnormal, multiple power peaks occur, the maximum power peaks can be traced by enabling this function.
  • Page 71 Commissioning DRMn: Disable Factory Reset 6.Factory Reset 1.Clear Energy Data 2.Clear Events 3.Factory Reset Clear the total energy yield of the inverter. 1.Clear Energy Data Cancel Enter 0715 Clear the history events of the inverter. 2.Clear Events Cancel Reset Password 7.Reset Password Please Set the Password ****...
  • Page 72 Commissioning Set master and slave: Set the master and slave. Select one inverter as the master and the others as slave machines. Set parallel address: Set the parallel address for each inverter. In a parallel system, each inverter should have a parallel address that does not duplicate that of other machines.
  • Page 73 Commissioning Load ..........***kWh Export..........***kWh Import..........***kWh Charge..........***kWh Discharge........***kWh Month PV ............***kWh Load ..........***kWh Export..........***kWh Import..........***kWh Charge..........***kWh Discharge........***kWh Year PV ............***kWh Load ..........***kWh Export..........***kWh Import..........***kWh Charge..........***kWh Discharge........***kWh Lifetime PV ............***kWh Load ..........***kWh Export..........***kWh Import..........***kWh Charge..........***kWh Discharge........***kWh User Manual...
  • Page 74 Commissioning 5.4.4 System Information 4.System Information 1.Inverter Info 2.Battery Info 3.Safety Param. 4.PCU Info 5.BMS Info 1.Inverter Info Inverter Info (1) Product SN Hardware Version Power Level Inverter Info (2) Software Version Country Safety Lib Version Inverter Info (3) Energy Storage Mode RS485 Address Inverter Info (4) Logic Interface...
  • Page 75 Commissioning Battery Type Battery Capacity Depth of Discharge Battery 1 Info (2) Max Charge (A) Max Discharge (A) Force Full Charge Start Force Full Charge End 3.Safety parameters. Safety Param.(1) OVP 1 OVP 2 UVP 1 UVP 2 Safety Param. (2) OFP 1 OFP 2 UFP 1...
  • Page 76 Commissioning PCU software version 4.BMS Info BMS Info(1) BMS serial number BMS Software Version Battery Discharge 5.4.5 Event List Once a fault occurs, the fault information is displayed on the event list page. The event list displays the current event records, including the event ID and occurrence time of each event.
  • Page 77 HYD3-6K-HV_DSPS_N4.bin. Step 1 Insert the USB drive into the computer. Step 2 SOFAR will send the upgraded firmware to the users who need to upgrade. After receiving the file, decompress it and save it in a USB flash drive. Step 3 Insert the USB disk into the USB/WiFi interface of the machine.
  • Page 78 Commissioning 2.PCU Info 1.BMS Info BMS Info (BMS1) Batt Voltage.........****.*V Batt Current...........**.**A Max Charge..........**.**A Max Discharge........**.**A Batt SOC............**% Batt SOH.............**% Batt Temperature.........**℃ Batt Cycles...........**T 2.PCU Info PCU Info (PCU1) PCU low voltage........****.*V PCU high voltage......****.*V PCU low power.......**.**kW PCU state.............**** Internal temp..........**℃...

  • Page 79: Monitoring Description

    Commissioning 5.5 Monitoring description The operation information (generated energy，alert，operation status) of the inverter can be transferred to PC or uploaded to the server via WiFi(4G is optional). Users can choose to use web or APP for monitoring and viewing according to their needs. You need to register an account and bind the device with the WiFi/4G SN number.

  • Page 80: Trouble Shooting And Maintenance

    Trouble shooting and maintenance Trouble shooting and maintenance 6.1 Troubleshooting This section describes the potential errors for this product. Please read  carefully for the following tips when doing the troubleshooting: View the warning or error information and error codes displayed on the ...
  • Page 81 If the grid voltage/frequency is NOT overfreq too high within the acceptable range and AC wiring is correct, but the alarm occurs repeatedly, contact SOFAR technical support to change the grid over-voltage, under- voltage, Grid The grid frequency is ID004...
  • Page 82 ON inverter. Check whether Bus undervoltage the problem is solved. If not, please ID067 BusUVP during grid contact SOFAR technical support. connection ID068 BusZVP Bus voltage low Check whether the PV series voltage (Voc) is higher than the maximum...
  • Page 83 5 minutes, then BoostOCP overcurrent switch ON inverter. Check whether SwAc The output RMS the problem is solved. ID085 RmsOCP overcurrent If not, please contact SOFAR SwPvOCP PV overcurrent technical support. ID086 Instant software protection PV flows in uneven ID087 Unbalance...
  • Page 84 5 minutes, then Bus hardware switch ON inverter. Check whether ID131 HwBusOVP overvoltage the problem is solved. permanent fault If not, please contact SOFAR technical support. PV unbalance current ID132 Unbalance permanent fault EPS mode battery ID133...
  • Page 85 DC SPD fault ID145 USBFault USB fault Check the USB port of the inverter. SafetyVer Safety parameter ID152 Fault version error SCI communication Please contact SOFAR technical ID153 SciLose(DC) error (DC) support. SCI communication ID154 SciLose(AC) error (AC) SoftVer Inconsistent software...
  • Page 86 Trouble shooting and maintenance battery. Wait for 5 minutes and start the inverter and lithium battery. Check whether the problem is rectified. If not, contact technical support. BMS under-voltage ID178 BMS UVP Please make sure the battery is alarm installed in a cool well-ventilated BMS high temperature ID179 BMS OTP...
  • Page 87 Trouble shooting and maintenance SwBus Bus software support. ID873 InstantUVP undervoltage SwBat Battery software ID874 InstantOVP overvoltage SwBat Battery software ID875 InstantUVP undervoltage SwBat Battery software ID876 InstantOCP overcurrent Restart the battery and wait for ID879 HwOCP Hardware overcurrent minutes. If the problem is not Unrecover Permanent bus resolved, please contact technical...

  • Page 88: Daily Maintenance

    Trouble shooting and maintenance 6.2 Daily Maintenance This product usually does not require maintenance or calibration, but ensure that the inverter and the heat sink of the battery module are not covered by dust or dirt. Clean the inverter and battery modules: ...

  • Page 89: Datasheet

    Datasheet Datasheet The following parameters may change without notice, please refer to the user manual and DataSheet on our website. Note Model 3.68K- 4.6K- 5K-S1 3K-S1 4K-S1 5K-S1 6K-S1 PV Input Recommended 4500 5400 6000 6900 7500 7500 9000 Max. PV Power Max.
  • Page 90 Datasheet Communication AC Input(Grid) Rated Input L+N+PE,220/230/240 Va.c. Voltage Rated Input 50/60 Hz Frequency 27.3/ 33.5/ 36.4/ 41.8/ 45.5/ 45.5/ 54.5/ Max. Input 26.1/ 32.0/ 34.8/ 40.0/ 43.5/ 43.5/ 52.2/ Current 25.0 A 30.7 A 33.3 A 38.3 A 41.7 A 41.7 A 50.0 A AC Output(Backup)
  • Page 91 Datasheet Rated Output 3.68 Power 13.6/ 16.7/ 18.2/ 20.9/ 22.7/ 22.7/ 27.3/ Rated Output 13.0/ 16.0/ 17.4/ 20.0/ 21.7/ 21.7/ 26.1/ Current 12.5 A 15.3 A 16.7 A 19.2 A 20.8 A 20.8 A 25.0 A Max. Apparent 3.68 Power 15.0/ 16.7/ 20.0/...
  • Page 92 Display LCD & APP [1] Minimum PV voltage to start MPPT operation. [2] Please refer to document “SOFAR inverter Model compatible battery list”. [3] Battery-AC maximum efficiency of battery charge and discharge. [4] Standby loss at rated input voltage. ESI 3-6K-S1...

  • Page 93: Manufacturer's Warranty And Liability Terms

    Manufacturer's Warranty and Liability Terms Manufacturer's Warranty and Liability Terms SOFAR standard warranty document Warranty period and calculation method of SOFAR battery products refer to the Quality Assurance Agreement of SOFAR ESI Series Household Energy Storage System. Extended warranty period...
  • Page 94 Manufacturer's Warranty and Liability Terms Equipment failure caused by the following reasons is not covered by the warranty: The "warranty card" has not been sent to the distributor or Shenzhen SOFARSOLAR Co., LTD; Without the consent of SHENZHEN SOFARSOLAR Co., LTD to change equipment or replace parts;...
  • Page 95 Manufacturer's Warranty and Liability Terms User Manual...

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