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KEHUA TECH iStoragE1 Series User Manual

Hybrid inverter
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Summary of Contents for KEHUA TECH iStoragE1 Series

  • Page 1 Series Hybrid inverter User Manual...
  • Page 3 Copyright © Xiamen Kehua Digital Energy Tech Co., Ltd. 2023. All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Xiamen Kehua Digital Energy Tech Co., Ltd. Trademarks and Permissions and other Kehua trademarks are the licensed trademarks of Xiamen Kehua Digital Energy Tech Co., Ltd.
  • Page 4 User Manual Foreword Summaries Thank you for choosing the energy storage system iStoragE1 series (hereinafter referred to as iStoragE1 )! This document gives a description of the energy storage system iStoragE1 series, including the features, performance, appearance, structure, working principles, installation, operation and maintenance.
  • Page 5 Hybrid Inverter User Manual Foreword Symbol Description Alerts you to a low risk hazard that could, if not avoided, result in minor injury. Anti-static prompting. Be care electric shock prompting. Provides a tip that may help you solve a problem or save time. Provides additional information to emphasize or supplement important points in the main text.

  • Page 6: Table Of Contents

    Hybrid Inverterr Contents User Manual Contents 1 Safety Description ........................1 1.1 Safety Announcements ............................1 1.1.1 Use Announcements ..........................1 1.1.2 Inverter Symbol Illustration ........................3 1.1.3 Protection for PV Array ........................... 4 1.1.4 ESD Protection ............................4 1.1.5 Grounding Requirements ......................... 4 1.1.6 Moisture-proof Protection ........................5 1.1.7 Safety Warning Label Setting ........................
  • Page 7 Hybrid Inverter User Manual Contents 2.2.4 Inverter Structure Layout Illustration ....................12 2.3 Application Scenarios ............................14 3 Installation ........................... 15 3.1 Installation Process ............................15 3.2 Installation Preparation ............................16 3.2.1 Tools ............................... 16 3.2.2 Installation Environment ........................17 3.2.3 Installation Space ........................... 17 3.3 Transportation and Unpacking ........................
  • Page 8 Hybrid Inverterr Contents User Manual 4.3.4 Grid Setting ............................76 5 Startup and Shutdown ....................... 77 5.1 Startup ................................77 5.2 CEI Self-Check ..............................79 5.3 Shutdown .................................82 6 Maintenance and Troubleshooting ..................83 6.1 Maintenance ..............................83 6.2 Troubleshooting ...............................84 7 Package, Transportation and Storage ..................92 7.1 Package ................................92 7.2 Transportation ..............................92...

  • Page 9: Safety Description

    Hybrid Inverter User Manual 1 Safety Description 1 Safety Description This chapter mainly introduces the safety announcements. Prior to performing any work on the device, please read the user manual carefully, follow the operation and installation instructions and observe all danger, warning and safety information. 1.1 Safety Announcements Before operation, please read the announcements and operation instructions in this section carefully to avoid accident.
  • Page 10 The surface temperature of the inverter may reach to 60℃. During running, please don't touch the surface to avoid scald. No liquid or other objects are allowed to enter the inverter, or, it may cause energy storage system iStoragE1 series damage.

  • Page 11: Inverter Symbol Illustration

    Hybrid Inverter User Manual 1 Safety Description In case fire, please use dry power fire extinguisher. If using liquid fire extinguisher, it may cause electric shock. 1.1.2 Inverter Symbol Illustration Table1-1 Inverter symbol illustration Symbol Illustration Beware of a danger zone This symbol indicates that the product must be additionally grounded if additional grounding or equipotential bonding is required at the installation site.

  • Page 12: Protection For Pv Array

    Hybrid Inverter 1 Safety Description User Manual Symbol Illustration Beware of hot surface The product can get hot during operation. 1.1.3 Protection for PV Array When install PV array in daytime, it necessary to cover the PV array by light-proof material, or the PV array will generate high voltage under sunshine.

  • Page 13: Moisture-Proof Protection

    Hybrid Inverter User Manual 1 Safety Description  The device must be connected to protection grounding permanently.  Before operation, check the electrical connection to ensure the inverter is grounded reliably. 1.1.6 Moisture-proof Protection Moisture incursion may cause the inverter damage! Observe the following items to ensure the inverter works normally.

  • Page 14: Measurement Under Operation

    Hybrid Inverter 1 Safety Description User Manual 1.1.9 Measurement Under Operation There exists high voltage in the device. If touching device accidently, it may cause electric shock. So, when perform measurement under operation, it must take protection measure (such as wear insulated gloves, etc.) The measuring device must meet the following requirements: ...

  • Page 15: Requirements For Operator

    Do not use submerged battery again and contact the service engineer. 1.3 Requirements for Operator The operation and wiring for energy storage system iStoragE1 series should be performed by qualified person, which is to ensure that the electrical connection meets the related standards.

  • Page 16: Environment Requirements

    The used environment may influence the service life and reliability of the energy storage system iStoragE1 series. So, please avoid using the inverter in the following environment for a long time.  The place where beyond the specification (operating temperature:-25℃~60℃, relative humidity: 0%-95%).

  • Page 17: Overview

    This chapter mainly introduces the device features, appearance, operating mode, etc. 2.1 Product Intro With energy storage system iStoragE1 series, it is possible to effectively manage energy in users’ home day and night. This energy storage system will provide a complete energy solution with multiple working modes which meet different application scenarios.

  • Page 18: Model Meaning

    Hybrid Inverter 2 Overview User Manual 2.1.1 Model Meaning Inverter Figure2-2 Model meaning of inverter 2.1.2 Working Mode Backup mode iStoragE1 product can work as an energy backup unit in order to provide uninterrupted blackout protection when the grid goes down. Self consumption mode iStoragE1 product provides energy to loads in priority, then excess PV energy to battery.

  • Page 19: Appearance And Structure

    Hybrid Inverter User Manual 2 Overview Peakload shifting mode iStoragE1 product provides max. grid percentage setting for customers, so when the load is suddenly added and the power of grid port exceeds the maximum setting value, the iStoragE1 product will be in standby status.

  • Page 20: Led Signals

    Hybrid Inverter 2 Overview User Manual 2.2.3 LED Signals Inverter Table2-1 Illustration of the inverter LED LED display Status Illustration Inverter power off. ON: inverter fault. ON: the system works normally. Blue Flicker 1s: inverter alarm. Flicker 3s: inverter standby. 2.2.4 Inverter Structure Layout Illustration The external terminals and switch of inverter as shown in Figure2-2.
  • Page 21 Hybrid Inverter User Manual 2 Overview Mark Illustration Remarks Inverter demand response modes. ② Connect to COM port of battery to ③ communicate with battery. Parall1/Parall2 Have parallel function. Reserved ④ It is used for WIFI/4G WIFI/4G ⑤ communication. It is used to connect with BATT.

  • Page 22: Application Scenarios

    Hybrid Inverter 2 Overview User Manual 2.3 Application Scenarios The energy storage system iStoragE1 series can be applied in DC-coupled system, AC-coupled system and fully off-grid system, as shown in Figure2-3, Figure2-4 and Figure2-5. Meter Grid INV +BAT On-grid loa d...

  • Page 23: Installation

    Hybrid Inverter User Manual 3 Installation 3 Installation This chapter introduces the installation of the device, including installation process, installation preparation, transportation and unpacking, installation procedure, electrical connection and checking, etc. 3.1 Installation Process Figure3-1 Installation process...

  • Page 24: Installation Preparation

    Hybrid Inverter 3 Installation User Manual 3.2 Installation Preparation 3.2.1 Tools Tools Goggles Torque wrench Tape Levelling instrument...

  • Page 25: Installation Environment

    Hybrid Inverter User Manual 3 Installation The installation tools must be insulated to avoid electric shock. When installing, please wear safety gloves and safety shoes. When installing, please ware safety goggles and a dust mask to prevent dust from entering your eyes. 3.2.2 Installation Environment ...

  • Page 26: Transportation And Unpacking

    Hybrid Inverter 3 Installation User Manual Figure3-3 Installation space (unit: mm) 3.3 Transportation and Unpacking 3.3.1 Transportation The device should be transported by trained professional. During transporting, please take care and avoid impacting or dropping. 3.3.2 Unpacking and Checking Select the unpacking site in advance. In principle, the unpacking site should be as close to the installation site as possible.
  • Page 27 AC wiring cover. If the energy storage system iStoragE1 series needs to be stored for a long time after unpacking, it is necessary to pack the device by original package and save properly.

  • Page 28: Mechanical Installation

    Hybrid Inverter 3 Installation User Manual 3.4 Mechanical Installation The battery is very heavy, so it needs to transported and installed by proper auxiliary tools. There is a risk of injury if the battery pack is not handled properly during transporting. Keep the installed place far away from the tube of water, electricity or gas, which is to avoid affect the installation.
  • Page 29 Hybrid Inverter User Manual 3 Installation Step 2 Mark the mounting holes of base module and battery packs. Figure3-7 Tear back glue Figure3-8 Mark the installation holes Step 3 Remove the position boards and auxiliary tool. Step 4 Drill four holes on the wall and drill two holes in the floor, for detail specification please see Table3-1.
  • Page 30 Hybrid Inverter 3 Installation User Manual Table3-1 Expansion bolt specification Item Base module Battery pack Expansion bolt Φ12.5mm Φ8mm 75mm~80mm 40mm~45mm During drilling, please ware safety goggles and a dust mask to prevent dust from entering your eyes. After drilling, please clean the scrap in the installation holes, and then perform the installation. Ensure that the installed floor is flat and horizontal.
  • Page 31 Hybrid Inverter User Manual 3 Installation Figure3-10 Install the cover plate Figure3-11 Fasten the cover plate If the device is installed on the low-lying position and may have the risk of soaking by rain, we suggest to select the support to lift the device to avoid damage for the device. The installation of support is as follows.
  • Page 32 Hybrid Inverter 3 Installation User Manual Install the expansion bolts, as shown in Figure3-14. Figure3-14 Install the expansion bolt (unit: mm) Fix the assembled base by expansion bolt M10, as shown in Figure3-15. Figure3-15 Mark the installation holes Assemble the support and base by screws M5, as shown in Figure3-16. Figure3-16 Assemble the support and base During drilling, please ware safety goggles and a dust mask to prevent dust from entering your eyes.
  • Page 33 Hybrid Inverter User Manual 3 Installation The installation holes of base with support is the same as that of standard configured base, in above figure, we take standard configured base as an example to illustrate. Step 7 Install battery packs. Fix the bottom battery pack with base by wall bracket b, as shown in Figure3-17.
  • Page 34 Hybrid Inverter 3 Installation User Manual Place the battery against the wall, the bottom limit holes of the upper battery pack should match the screw on the top of the below battery pack, as shown in Figure3-19. Figure3-19 Place the battery pack Tighten the battery rack1 and the battery pack with screws.
  • Page 35 Hybrid Inverter User Manual 3 Installation Step 8 Install the inverter. Mark the positions of the drill holes with the inverter positioning board. Figure3-21 Place inverter positioning board Figure3-22 Mark the inverter drilling position...
  • Page 36 Hybrid Inverter 3 Installation User Manual Drill seven holes on the wall with drill Φ8 (the depth of the hole range is 40~45mm), insert seven expansion plugs (8*40) into the drill holes. Figure3-23 Insert the expansion plugs (unit: mm) Attach the wall bracket to the wall using seven M5 Self-tapping screws with the tool of screwdriver, as shown in Figure3-24.
  • Page 37 Hybrid Inverter User Manual 3 Installation Figure3-25 Tighten the inverter Before hanging the inverter on the wall bracket, the battery wiring on the side of the inverter needs to be plugged in first and wiring from the back of the inverter, then tie it. Step 9 Connect the wires between the inverter and battery packs.

  • Page 38: Electrical Connection

    Hybrid Inverter 3 Installation User Manual If the quantity of battery pack is larger than 4, for easy wiring and lessening the wire length, the other pile of battery packs should be placed at the right of the inverter. In following figure, we take 1 inverter +2 battery packs as an example to illustrate. The wiring of other configuration is the same ----End You can install extra batteries up to 8 batteries in a system.

  • Page 39: Components Requirement

    Hybrid Inverter User Manual 3 Installation 3.5.1 Components Requirement Table3-2 Recommended isolator, over current protection device, and RCD specification Components Specification Scope of supply Integrated in the inverter PV DC switch ① (optional) 32A for 3600VA Circuit breaker for AC 50A for 5000VA Purchased by the installer ②...

  • Page 40: Dc Input (Pv) Connection

    Hybrid Inverter 3 Installation User Manual Figure3-29 External grounding connection  The grounding of the inverter and the lightning rod of the building that inverter installed cannot be the same, the two need to be separated (as shown in Figure3-30), or, lightning stroke will damage the inverter.
  • Page 41 Hybrid Inverter User Manual 3 Installation  It is recommended to use independent switch for each PV input, and before connecting, the switches must be off. We suggest to use the special DC switch (rated voltage is 600V, rated current is more than 20A). ...
  • Page 42 Hybrid Inverter 3 Installation User Manual Figure3-33 Fasten the metal terminal Step 4 Tighten the sealing nuts of positive connector and negative connector to the corresponding insulation crusts respectively, as shown in Figure3-34. Figure3-34 Tighten the sealing nuts Step 5 Measure the voltage and check if the positive and negative is connected properly and if the voltage within the input range of the inverter.

  • Page 43: Ac Output Connection

    Hybrid Inverter User Manual 3 Installation 3.5.4 AC Output Connection It's forbidden that several inverters shares an AC switch. It's forbidden to connect with load between inverter and AC switch. To ensure the inverter can be disconnected with load safely, we suggest equipping independent dipolar switch for each inverter to protect the inverter.
  • Page 44 Hybrid Inverter 3 Installation User Manual Figure3-37 GRID connector installation 1 Step 4 The housing is inserted into socket. Figure3-38 GRID connector installation 2 Step 5 Inserted the unlock key into socket, and insert seal and Clamp Finger into socket, and then tighten the nut.
  • Page 45 Hybrid Inverter User Manual 3 Installation BACKUP wire connection Step 1 Ensure that the external backup switch is OFF. Step 2 Strip wire for about 10mm, the strip instructions and BACKUP port markings are as shown in Figure3-31. Figure3-41 Wire Stripping (unit: mm) Step 3 Set the parts on the cable.

  • Page 46: Wifi Connection

    Hybrid Inverter 3 Installation User Manual Figure3-45 Insert the BACKUP terminal 3.5.5 WIFI Connection Please scan the QR code on the WiFi module in advance for registration or take photos of the QR code on the WiFi module in advance to prevent users from being unable to scan the code after the side cover is installed.

  • Page 47: Communication Port Connection

    Hybrid Inverter User Manual 3 Installation Figure3-47 Communication way For the use of WIFI/4G, please see the built-in user manual in the packaging of WIFI. 3.5.6 Communication Port Connection Communication ports include DRM port, Meter port and BMS port, they all adopt RJ45 plug to connect.
  • Page 48 Hybrid Inverter 3 Installation User Manual Figure3-49 DRM pin definition Strip the communication wire 20mm, and arrange the wire according to the color as shown in the above diagram After inserting the terminal head, you need to push the wire to the top with force. After crimping the terminal, you need to check if the top is in good contact.
  • Page 49 Hybrid Inverter User Manual 3 Installation Figure3-50 Connection diagram between communication smart meter and inverter and grid (single phase) Figure3-51 Connection diagram between communication smart meter and inverter and grid (single phase + single phase)
  • Page 50 Hybrid Inverter 3 Installation User Manual Figure3-52 Connection diagram between communication smart meter and inverter and grid (three-phase) Figure3-53 Connection diagram between communication smart meter and inverter and grid (three-phase + single phase) For the actual wiring of the smart meter, see the diagram on the right side of the meter. The manual uses Chint smart meter as the description.
  • Page 51 Hybrid Inverter User Manual 3 Installation CT direction is: inverter → grid, please connected properly! Smart meter setting Step 1 If the smart meter is connected, please do the following setting.  If the meter used in the grid side of iStoragE1 product, address is set to A-001. ...
  • Page 52 Hybrid Inverter 3 Installation User Manual Set the "Anti-backflow control power" in "Basic setting" according to the actual use (the setting value of anti-backflow control power is percentage, it is corrected by rated power. For example, when the rated power of the inverter is 5kW, if the zero-export power set to 30%, the set anti-backflow control power is 1.5kW).
  • Page 53 Hybrid Inverter User Manual 3 Installation Table3-5 Pin illustration of smart meter (three- phase) Illustration Connect to phase-L of GRID port in the inverter and L1 of grid output. Connect to L2 of grid output. Connect to L3 of grid output. Connect to phase-N of GRID port in the inverter and N of grid output.
  • Page 54 Hybrid Inverter 3 Installation User Manual Figure3-57 The setting of the smart meter address (three- phase) The connection procedure of communication port is as follows. Step 1 Unscrewing the lock nut, insert the RJ45 port to the communication port after through the magnetic ring and COM wiring cover (as shown in Figure3-58), Figure3-58 Insert the communication port Step 2...

  • Page 55: Side Cover Plate Installation

    Hybrid Inverter User Manual 3 Installation 3.6 Side Cover Plate Installation After wiring connection, install side cover plate to the inverter and battery packs as follows. While fixing the cover plates, it is necessary to lead the corresponding wires go through the groove of cover plate and fasten them to avoid extruding for the wires and even cause damage for the wires and affect the normal use.

  • Page 56: App Operation

    Hybrid Inverter 4 APP Operation User Manual 4 APP Operation This chapter is mainly introduces the operation of APP. 4.1 First Startup Step 1 Login the following website to download the APP and do WIFI configuration.  Download APP APPSTORE: https://apps. apple. com/cn/app/wisesolar-plus/id1510470362 GOOGLE PLAY: https://play.
  • Page 57 Hybrid Inverter User Manual 4 APP Operation Open the APP. Click "Register" button. Select "By mobile phone" or "By Email" according to actual condition. Enter corresponding information according to prompting. Logger code can be entered by scanning the QR code of WIFI on the device. Step 3 After registering, login according to the registered mobile phone/Email and password, as shown in Figure4-1.
  • Page 58 Hybrid Inverter 4 APP Operation User Manual Figure4-2 Main page Step 5 After entering corresponding information, select "Save and exit" button, as shown in Figure4-3. Figure4-3 Create your plant page The item with “*”is required.
  • Page 59 Hybrid Inverter User Manual 4 APP Operation After filling in, you can click the "Allocation price" button at the left bottom corner of the page to configure the electricity price, so as to calculate the electricity price in the future. Step 6 Back to main page and click the "Built plant", as shown in Figure4-4.
  • Page 60 Hybrid Inverter 4 APP Operation User Manual Figure4-5 Add new device Step 8 Click "Me" icon in the main page, then click "Connect to device", and then click "Connect" at the top of the page, it will show the Wi-Fi list. Select the Wi-Fi whose name is the same as that of WIFI module, and then enter the default password: admin12345678, the WIFI module will be connected, as shown in Figure4-6.
  • Page 61 Hybrid Inverter User Manual 4 APP Operation Step 9 Click the device SN to enter the page as shown in Figure4-7. Click "Logger WiFi", select a available WiFi in "Hotpot list", when it prompts: WiFi connecting successful, click "OK". At this time, the currently connected WiFi should show "Connected".

  • Page 62: Inverter Information Query

    Hybrid Inverter 4 APP Operation User Manual 4.2 Inverter Information Query Step 1 After performing the above steps, click corresponding SN to view the inverter information. Figure4-9 Inverter information interface Step 2 Pull-down the interface and click the "More Data" button to see more information, such as PV information, BAT information, INV information and Grid information.

  • Page 63: Running Information

    Hybrid Inverter User Manual 4 APP Operation ----End 4.2.1 Running Information PV information In the PV information item, you can view PV voltage, PV current and PV power, etc. as shown in Figure4-11. Figure4-11 PV information Inverter information In the inverter information item, you can view total grid-tied energy, grid current, grid side load voltage, etc.
  • Page 64 Hybrid Inverter 4 APP Operation User Manual Figure4-12 Inverter information Grid information In the running information item, you can view load voltage, load current, grid-tied apparent power, etc. as shown in Figure4-13. Figure4-13 Grid information...
  • Page 65 Hybrid Inverter User Manual 4 APP Operation  Query software version In the running information item, you can query the currently running software version in "Control software 1 version" and "Control software 2 version" of "Device information". Figure4-14 Device information ...
  • Page 66 Hybrid Inverter 4 APP Operation User Manual Zero-export control power (%) Figure4-15 Basic parameter setting  Fixed power factor mode and reactive power mode setting. In the "Reactive power mode" of "Basic parameter setting" item, if it is set to "Scheduling by SI", reactive power mode is enabled, and if it is set to "Scheduling by PF", fixed power factor mode is enabled.
  • Page 67 Hybrid Inverter User Manual 4 APP Operation  Set Generation/Export limit control – Hard limit control. In the "Other setting" item, you can enable Generation/Export limit control– Hard limit control. Figure4-17 Hard limit control  Set "Volt-watt response mode". In the "Grid setting" item, select "Linear" in "P-V mode" to enable Volt-watt response mode, Volt-watt response mode is for charging of multiple mode inverter with energy storage.
  • Page 68 Hybrid Inverter 4 APP Operation User Manual Figure4-19 P-V mode  Password authentication required for setting changes. Password authentication is required when modifying parameters, the password is login password. Figure4-20 Password authentication...
  • Page 69 Hybrid Inverter User Manual 4 APP Operation Battery pack 1/2/3/4 In corresponding Battery pack 1/2/3/4 page, you can view the S/N, software version, BMU version, hardware version, battery power, etc. of battery pack, as shown in Figure4-21. Figure4-21 Battery pack info page The address of DCDC module (address is 1, 2, 3, 4, 5..) can be set through APP according to needs.
  • Page 70 Hybrid Inverter 4 APP Operation User Manual Figure4-22 Set DCDC module quantity Step 2 Click "More" icon to switch to more page, select "DCDC Address Configuration" and then enter the number of batteries to be configured, as shown in Figure4-23. Figure4-23 Set the battery number Step 3 Click bottom "Add device"...
  • Page 71 Hybrid Inverter User Manual 4 APP Operation Step 4 After scanning, enter the address of the DCDC module, as shown in Figure4-24. The address of first DCDC module is 1, the second one is 2, and so on. Figure4-24 Set the address Step 5 After the address of all DCDC modules is entered, the bottom "Add device"...

  • Page 72: Status Information

    Hybrid Inverter 4 APP Operation User Manual You can check whether the setting is successful in Run data-Battery pack 1 info-S/N. If the setting is successful, the S/N will change to the S/N of the device whose address is set to 1, as shown in Figure4-26.

  • Page 73: Control Interface

    Hybrid Inverter User Manual 4 APP Operation Figure4-27 Status information 4.3 Control Interface Click the "Control" button in the inverter information interface to enter the control interface, as shown in Figure4-28. Figure4-28 Inverter information...

  • Page 74: Basic Setting

    Hybrid Inverter 4 APP Operation User Manual The control interface contains basic parameter setting, system setting, battery setting, grid setting. 4.3.1 Basic Setting Basic setting contains ON/OFF setting, mode setting and BMS communication setting. Zero-export function Figure4-29 Basic parameter setting Mode can be set to: time of use mode, backup mode, self consumption mode, energy scheduling mode, external control mode and peakload shifting mode.
  • Page 75 Hybrid Inverter User Manual 4 APP Operation Figure4-30 Time of use mode ----End Backup mode Step 1 Choose "Disable" in "External control mode". Step 2 Choose "Backup mode" in "Work mode".
  • Page 76 Hybrid Inverter 4 APP Operation User Manual Figure4-31 Backup mode ----End Self consumption mode Step 1 Choose "Disable" in "External control mode". Step 2 Choose "Self-Consumption" in "Work mode".
  • Page 77 Hybrid Inverter User Manual 4 APP Operation Zero-export function Figure4-32 Self consumption mode ----End Energy scheduling mode Step 1 Choose "Disable" in "External control mode". Step 2 Choose "Energy scheduling " in "Work mode". Step 3 Set the corresponding time period.
  • Page 78 Hybrid Inverter 4 APP Operation User Manual Zero-export function Figure4-33 Energy scheduling mode ----End External control mode Step 1 Choose "Enable" in "External control mode". Step 2 Choose "Battery control first" or "Grid control first". Step 3 Set the corresponding time period.
  • Page 79 Hybrid Inverter User Manual 4 APP Operation Zero-export function Zero-export function Figure4-34 External control mode ----End Peakload shifting mode Step 1 Choose "Disable" in "External control mode". Step 2 Choose "Peakload shifting "in "Work mode". Step 3 Set the max. grid power in "Set Max. Grid (%)".
  • Page 80 Hybrid Inverter 4 APP Operation User Manual Zero-export function Zero-export control power (%) Figure4-35 Peakload shifting mode ----End Battery Backup Power Setting In grid-tied mode, the setting can prevent inverter from releasing the backup power of battery pack. Set the value of SOC threshold for power switching value in "SOC threshold for power switching (%)"...
  • Page 81 Hybrid Inverter User Manual 4 APP Operation Figure4-36 Battery backup power setting Grid Meter Setting If the meter cannot operate normally after connection and setting, please contact the installer to set the baud rate and address of the meter. The setting is in the operation & maintenance authority and needs to be set by installer. The setting procedure is as follows.
  • Page 82 Hybrid Inverter 4 APP Operation User Manual Figure4-37 Set the meter type Step 2 Set the baud rate of meter in "System setting - Communication baud rate of grid side meter (Bps)". The default baud rate is 9600, as shown in Figure4-38. Figure4-38 Set the baud rate...

  • Page 83: System Setting

    Hybrid Inverter User Manual 4 APP Operation Step 3 Set the address of meter in "System setting - Communication address of grid side meter". The default setting is 1, as shown in Figure4-39. Figure4-39 Set the address ----End 4.3.2 System Setting In the system setting item, you can set system time.

  • Page 84: Grid Setting

    Hybrid Inverter 4 APP Operation User Manual Figure4-41 Battery setting 4.3.4 Grid Setting In the grid setting item, you can set grid mode including P-V mode, Q-V mode, SPF mode and schedule mode. As shown in Figure4-42. Figure4-42 Grid setting...

  • Page 85: Startup And Shutdown

    Turn on the external load switch. Step 3 Turn on external grid switch. After turning on the grid switch, iStoragE1 series energy storage system will be started automatically. Step 4 Turn on the DC switch on the inverter and external PV switch.
  • Page 86 Hybrid Inverter 5 Startup and Shutdown User Manual Figure5-1 Start with PV If the PV voltage is less than 120V, check if the grid voltage is consistent with the power grid − on the customer’s site, if yes, press down the POWER button of any battery pack for 1s and then long press the POWER button for 5s to wait for the indicator on the inverter light on, and then select ON in Basic setting of APP to start the system.

  • Page 87: Cei Self-Check

    Hybrid Inverter User Manual 5 Startup and Shutdown inverter light on, connect the WIFI, and then select ON in Basic setting of APP to start the system. For the use of WIFI/4G, please see the built-in user manual in the packaging of WIFI. Step 7 When the DC and AC supply power normally, the inverter will prepare to start, 60s later, the system is operating normally, or check the insulation impedance.
  • Page 88 Hybrid Inverter 5 Startup and Shutdown User Manual Figure5-3 Connect to device Step 2 The mobile phone needs to be connected to the WIFI of the device (the picture below are example, the WIFI password is 12345678), if it doesn't exit, refresh. Figure5-4 Connect to WLAN...
  • Page 89 Hybrid Inverter User Manual 5 Startup and Shutdown Step 3 Click "View device" in the logger interface, and then click "Customer". Figure5-5 Enter the customer interface Step 4 Click "Start" in the monitor interface and click "Done" in the popup. Then the device starts self check.

  • Page 90: Shutdown

    Hybrid Inverter 5 Startup and Shutdown User Manual Figure5-7 View test results ----End 5.3 Shutdown Step 1 Powering off the inverter on the APP. Step 2 Switch off the PV breaker and the grid breaker, wait for the inverter indicator light to be off. Step 3 If iStoragE1 needs to power outage for long time, short press the POWER button of all battery packs twice until the battery indicator light off.

  • Page 91: Maintenance And Troubleshooting

    This chapter mainly introduces the maintenance and troubleshooting for device. 6.1 Maintenance The energy storage system iStoragE1 series needn’t to be maintained regularly, but the sundries or dust may influence the heat dissipation performance, so, use soft brush to clean the inverter. If the LED indicator is too dirty to view, use a wet cloth to clean them.

  • Page 92: Troubleshooting

    Hybrid Inverter 6 Maintenance and Troubleshooting User Manual Table6-1 Maintenance checklist Check Item Acceptance Criteria Maintenance Interval Product The heat sink of the inverter are free from Semiannually or once per year cleanliness obstacles or dust. Product visible The inverter and battery pack are not damaged Semiannually or deformed.
  • Page 93 Hybrid Inverter User Manual 7 Package, Transportation and Storage Check item Fault description Solution 2. If not, restart the inverter to see if the fault still exists. If it still exists, contact service. Auxiliary power Battery control system Restart the inverter to see if the fault still exists. supply abnormal voltage abnormal.
  • Page 94 Hybrid Inverter 7 Package, Transportation and Storage User Manual Check item Fault description Solution 2. Restart the inverter to see if the fault still exists. If it still exists, contact customer service. 1. Try to lower the ambient temperature. 2. Make sure that the inverter is installed according to the manual and there is no shelter Inner Ambient temperature...
  • Page 95 Hybrid Inverter User Manual 7 Package, Transportation and Storage Check item Fault description Solution PV2 voltage exceed Check the PV2 voltage to see if it is exceeds PV2 over-voltage allow value 585V, if exceed, reduce the PV array quantity. 1. Try to lower PV power. PV2 current exceed PV2 over-current 2.
  • Page 96 Hybrid Inverter 7 Package, Transportation and Storage User Manual Check item Fault description Solution 2. Restart the inverter to see if the fault still exists. If it still exists, contact service. When off-grid, voltage Inverter voltage DC Restart the inverter to see if the fault still exists. DC component component abnormal If it still exists, contact service.
  • Page 97 Hybrid Inverter User Manual 7 Package, Transportation and Storage Check item Fault description Solution exceeds allow range. 2. Check whether grid wiring abnormal. 3. Restart the inverter to see if the fault still exists. If it still exists, contact service. 1.
  • Page 98 Hybrid Inverter 6 Maintenance and Troubleshooting User Manual Check item Fault description Solution according to the manual and there is no shelter around the inverter. 3. After the inverter is powered off and waiting for 30 minutes, then restart it. If the fault still exists, contact service.
  • Page 99 Hybrid Inverter User Manual 6 Maintenance and Troubleshooting Inverter S/N. Distributor/ dealer of the inverter (if has). The date of grid-tied power generation. Problem description. Your detail contact information.

  • Page 100: Package, Transportation And Storage

    Hybrid Inverter 7 Package, Transportation and Storage User Manual 7 Package, Transportation and Storage This chapter introduces the package, transportation and storage of device. 7.1 Package The device is packaged by carton. When packaging, pay attention to the placing direction requirements.

  • Page 101: A Technical Specifications

    Hybrid Inverter User Manual A Technical Specifications Technical Specifications Model iStoragE1 3600 iStoragE1 5000 iStoragE1 6000 Item PV input Max. input power (W) 9000 Max. input voltage (V d.c.) MPPT voltage range (V d.c.) 100~550 Max. PV input current (A d.c.) 2*15 MPPT voltage range with full-load 300~450...
  • Page 102 Hybrid Inverter B Acronyms and Abbreviations User Manual Model iStoragE1 3600 iStoragE1 5000 iStoragE1 6000 Item Max. continuous input current (A a.c.) 31.2 43.4 52.4 Rated grid frequency (Hz) 50/60 Grid output Rated output power (VA) 3600 5000 6000 Max. apparent power (VA) 3600 5000 6000...
  • Page 103 Hybrid Inverter User Manual B Acronyms and Abbreviations Model iStoragE1 3600 iStoragE1 5000 iStoragE1 6000 Item Rated output current (A a.c.) 15.6 21.7 26.2 Max. continuous output current (A a.c.) 15. 6 21.7 26.2 Max. output over current protection (A 23.4 32.6 39.3...
  • Page 104 Hybrid Inverter A Technical Specifications User Manual Model iStoragE1 3600 iStoragE1 5000 iStoragE1 6000 Item Weight (kg) 16.3kg Installation Wall-mounting Insulation No transformer Protection grade IP65 Self consumption at night <10W INV: -25℃~60℃ (3600/5000: If the temperature higher than 45℃ or lower than -25℃, Operating temperature range the inverter needs to decrease rated power to use;...
  • Page 105 Hybrid Inverter User Manual A Technical Specifications  The external communication circuit of rechargeable Lithium-ion battery pack need to be considered reinforced insulation with power circuit, the reinforced insulation of clearance and creepage should be considered with system voltage and impulse in the system.

  • Page 106: B Acronyms And Abbreviations

    Hybrid Inverter B Acronyms and Abbreviations User Manual Acronyms and Abbreviations Alternating Current American Wire Gauge Conformite Europeenne Direct Current Emergency Power Off International Electrotechnical Commission Light-emitting Diode...
  • Page 107 Hybrid Inverter User Manual B Acronyms and Abbreviations MPPT Maximum Power Point Tracking Protective Earthing Photovoltaic RS485 Recommend Standard485 THDi Total Distortion of the input current waveform...

This manual is also suitable for:

Istorage1 3600Istorage1 5000Istorage1 6000

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