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Huawei SUN2000 User Manual

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SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
Issue
01
Date
2018-05-21
HUAWEI TECHNOLOGIES CO., LTD.

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Table of Contents

   Summary of Contents for Huawei SUN2000

  • Page 1 SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual Issue Date 2018-05-21 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...
  • Page 3: About This Document

    SUN2000-7.6KTL-USL0, SUN2000-9KTL-USL0, SUN2000-10KTL-USL0, and SUN2000-11.4KTL-USL0 (SUN2000 for short) in terms of installation, electrical connections, commissioning, maintenance, and troubleshooting. Understand the safety information and get familiar with the SUN2000 functions and features before installing and operating the SUN2000. Intended Audience This document is intended for: ...
  • Page 4 Changes between document issues are cumulative. The latest document issue contains all updates made in previous issues. Issue 01 (2018-05-21) This issue is used for first office application (FOA). Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 5: Table Of Contents

    4.4 Installing the Mounting Bracket ..........................25 4.4.1 Wall-Mounted Installation ............................26 4.4.2 Support-Mounted Installation ..........................27 4.5 Installing the SUN2000 .............................. 30 4.6 (Optional) Installing a SIM Card ..........................32 5 Electrical Connections ........................ 34 5.1 Preparing Cables ................................. 35 5.2 Installing the Pipe Fittings ............................
  • Page 6 7 Operations on the Local FusionHome App ................66 7.1 App Overview ................................66 7.2 Downloading and Installing the App .......................... 68 7.3 Connecting to a SUN2000 WiFi Network ........................69 7.4 App Operations by the Installer ..........................73 7.4.1 Logging In to the App .............................. 73 7.4.2 Querying the Device Information ..........................
  • Page 7 9 Handling the SUN2000 ......................152 9.1 Removing the SUN2000 ............................152 9.2 Packing the SUN2000 ............................... 152 9.3 Disposing of the SUN2000 ............................152 10 Technical Specifications ......................153 A Grid Codes..........................160 B Acronyms and Abbreviations ....................162...
  • Page 8: Safety Precautions

    Huawei. Huawei will not be liable for any consequence caused by the violation of the safety operation regulations and design, production, and usage standards. Disclaimer Huawei shall not be liable for any consequence caused by any of the following events:  Damage during transportation ...
  • Page 9 Installation Never power on the SUN2000 during installation.  Ensure that the SUN2000 is not connected to a power supply or powered on before finishing installation.  To allow proper heat dissipation and installation, maintain appropriate clearances...
  • Page 10 Do not remove the terminals and ports at the bottom of the SUN2000. Electrical Connections Before connecting cables, ensure that the SUN2000 is secured in position and not damaged in any way. Otherwise, electric shock or fire may occur. ...
  • Page 11  If the SUN2000 is faulty, contact your supplier.  The SUN2000 can be powered on only after all faults are rectified. Failing to do so may escalate faults or damage the device.  Observe ESD precautions and wear ESD gloves during maintenance.
  • Page 12: Product Overview

    Product Overview 2.1 Product Introduction Function The SUN2000 is a single-phase grid-tied PV string inverter that converts the DC power generated by PV strings into AC power and feeds the power into the power grid. Models This document involves the following product models: ...
  • Page 13 Design code L0: residential Networking Application The SUN2000 applies to a residential rooftop grid-tied system. Typically, a grid-tied system consists of the PV string, grid-tied inverter, power distribution unit (PDU), and electricity meter. Figure 2-2 Networking application (dashed boxes indicate optional components) ...
  • Page 14 SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 2 Product Overview Supported Power Grids The SUN2000 supports low-voltage power grids.  The following power grids are in L1/L2/N mode. The output mode needs to be set to L1/L2/N. To set the output mode, choose Grid-connect config > Expert > Grid parameters on the Home screen of the FusionHome app.
  • Page 15: Appearance

    Figure 2-4 Power grid types (L1/L2) 2.2 Appearance Enclosure Appearance Figure 2-5 Front view (1) Host panel (2) LEDs (3) Maintenance compartment door Table 2-2 describes the LED indicators. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 16 The DC is on and the at long intervals SUN2000 has no output in backup state. Both the DC and AC are off, or the SUN2000 is in Low Power Consumption mode. Low Power Consumption mode means that the monitoring system of the SUN2000 is hibernating.
  • Page 17 Blinking green at long intervals (on A mobile phone is connected for 1s and then off for 1s) to the SUN2000. No communication. Port Description Figure 2-6 Bottom of the SUN2000-3.8KTL-USL0 Component Component DC switch Antenna port Battery cable hole...
  • Page 18 SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 2 Product Overview Enclosure Dimensions Figure 2-7 shows the SUN2000 enclosure dimensions. Figure 2-7 Enclosure dimensions (SUN2000-3.8KTL/5KTL/7.6KTL-USL0) Figure 2-8 Enclosure dimensions (SUN2000-9KTL/10KTL/11.4KTL-USL0) Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 19: Label Description

    SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 2 Product Overview 2.3 Label Description Enclosure Labels Table 2-3 describes the labels on the SUN2000 enclosure and their meanings. Table 2-3 Label description Label Name Meaning  Electric shock The SUN2000 has a voltage of 500 warning V.
  • Page 20 MAC address label QR code for Scan the QR code to connect to SUN2000 Huawei SUN2000 WiFi network WiFi (Android) or obtain the WiFi password connection (iOS). Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 21 User Manual 2 Product Overview Label Name Meaning Weight label The SUN2000 is heavy and needs to be carried by multiple persons. The labels are for reference only. Nameplate Figure 2-9 Nameplate of the SUN2000-3.8KTL-USL0 (1) Trademark and product model...
  • Page 22: Working Principles

    Surge protection is supported on both the DC and AC sides. The SUN2000 uses a battery port to connect to batteries which are used to store the surplus power produced by PV strings and not required by local loads. To meet peak power consumption requirements and maximize benefits, the power stored in batteries can be exported to the power grid based on the load condition.
  • Page 23 Operating In Operating mode:  The SUN2000 converts DC power from PV strings into AC power and feeds the power to the power grid.  The SUN2000 controls optimizers to track the maximum power point to maximize the PV string output.
  • Page 24 In Standby or Operating mode, the SUN2000 enters Shutdown mode after detecting a fault or shutdown command.  In Shutdown mode, the SUN2000 enters Standby mode after detecting a startup command or detecting that the fault has been rectified. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright ©...
  • Page 25: Storage

    Keep the storage temperature at –30° C to +60° C and the humidity at 5%–95% RH.   The SUN2000 should be stored in a clean and dry place and be protected from dust and water vapor corrosion.  A maximum of 10 SUN2000s can be stacked. To avoid personal injury or device damage, stack SUN2000s with caution to prevent them from falling over.
  • Page 26: System Installation

    Before unpacking the SUN2000, check the outer packing materials for damage, such as holes and cracks, and check the SUN2000 model. If any damage is found or the SUN2000 model is not what you requested, do not unpack the product and contact your supplier as soon as possible.
  • Page 27: Tools And Instruments

    Utility knife Cable cutter Installation Heat shrink tubing Heat gun Cable tie Vacuum cleaner Multimeter (DC voltage Marker measurement range ≥ 600 V Stud finder Measuring tape Level Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 28: Determining The Installation Position

    The SUN2000 is protected to TYPE 4X/IP65 and can be installed indoors or outdoors.  Do not install the SUN2000 in a place where people are likely to come into contact with its enclosure and heat sinks, because these parts are hot during operation.
  • Page 29 The SUN2000 can be wall-mounted or support-mounted. The installation angle requirements are as follows:  Install the SUN2000 vertically or at a maximum back tilted angle of 15 degrees to facilitate heat dissipation.  Do not install the SUN2000 at forward tilted, excessively back tilted, side tilted, horizontal, or upside down positions.
  • Page 30 When installing multiple SUN2000s, install them horizontally if sufficient space is available. Otherwise, install them in a staggered arrangement. Stacked installation is not recommended. Figure 4-3 Horizontal installation (recommended) Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 31 SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 4 System Installation Figure 4-4 Staggered installation (recommended) Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 32: Installing The Mounting Bracket

    SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 4 System Installation Figure 4-5 Stacked installation (not recommended) 4.4 Installing the Mounting Bracket Figure 4-6 Mounting bracket location (SUN2000-3.8KTL/5KTL/7.6KTL-USL0) Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 33: Wall-mounted Installation

    SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 4 System Installation Figure 4-7 Mounting bracket location (SUN2000-9KTL/10KTL/11.4KTL-USL0) 4.4.1 Wall-Mounted Installation Prerequisites User-supplied bolts are required for wall-mounted installation. Table 4-1 User-supplied bolts Load-Bea Tighte Screw Screw Appearance Hole Combination in the ring ning Quantit Marking-off Template...
  • Page 34: Support-mounted Installation

    SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 4 System Installation The example used in this document describes a frame post installation of the SUN2000. Procedure Step 1 Determine the positions for drilling holes using the marking-off template. Level the positions of mounting holes using a level, and mark the positions with a marker.
  • Page 35 (1) Bottom alignment line for the mounting bracket (top) Step 2 Drill holes using a hammer drill. You are advised to apply anti-rust paint on to the hole positions for protection. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 36 SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 4 System Installation Figure 4-10 Drilling holes Step 3 Secure the mounting bracket. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 37: Installing The Sun2000

    Figure 4-11 Securing a mounting bracket ----End 4.5 Installing the SUN2000 Procedure Step 1 Hold the handles on both sides of the SUN2000, lift the SUN2000 from the packing case, and move it to the installation position. Issue 01 (2018-05-21) Huawei Proprietary and Confidential...
  • Page 38 Do not use the wiring terminals and ports at the bottom to support any weight of the SUN2000.  When you need to temporally place the SUN2000 on the ground, use foam, paper or other protective materials to prevent damage to its enclosure. Figure 4-12 Moving a SUN2000 Step 2 Install the SUN2000 on the mounting bracket and tighten screw assemblies.
  • Page 39: Optional) Installing A Sim Card

    The 4G function requires a SIM card, size: 25 mm x 15 mm (0.98 in. x 0.59 in.). The SIM card is supplied by the customer. AT&T and T-Mobile SIM cards are both supported. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 40  Do not open the host panel of the SUN2000.  Before opening the SUN2000 maintenance compartment door, turn off the downstream AC output switch and the bottom DC switch.  Do not open the maintenance compartment door during rainfall or snowfall. If you must, take protective measures to prevent rain or snow from entering the maintenance compartment.
  • Page 41: Electrical Connections

    5 Electrical Connections Electrical Connections Precautions Before connecting cables, ensure that the DC switch on the SUN2000 and all the switches connecting to the SUN2000 are OFF. Otherwise, the high voltage of the SUN2000 may result in electric shock. ...
  • Page 42: Preparing Cables

    5.1 Preparing Cables Figure 5-1 Networking application (dashed boxes indicate optional components) SUN2000-3.8KTL/5KTL/7.6KTL-USL0 supports two PV string inputs. SUN2000-9KTL/10KTL/11.4KTL-USL0 supports three PV string inputs. In the example, two PV string inputs are used. Issue 01 (2018-05-21) Huawei Proprietary and Confidential...
  • Page 43 Figure 5-2 SUN2000 cable connections (dashed boxes indicate optional components) Table 5-1 Component description Component Description Source Energy meter The energy meter that can connect to the SUN2000 is the Purchased by the CCS-WNC-3D-240-MB. customer Emergency stop Normally closed (NC) contact...
  • Page 44 U.S. If the general loop to residence has a leakage protection device, there may be a risk of misprotection. Connecting the SUN2000 may increase the risk. It is recommended that the leakage protection device be relocated to a branch not involving the SUN2000.
  • Page 45 SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 5 Electrical Connections Table 5-2 Cable description (SUN2000-3.8KTL/5KTL/7.6KTL-USL0) Cable Type Conductor Source Cross-sectional Area Range Energy meter Multi-paired and individually foil 24–16 AWG Purchased by the signal cable shielded cable that complies with customer UL2919, CM/CMG (NEC type), or...
  • Page 46 − 6 AWG single-phase two-wire, use (SUN2000-7.6K three single-core outdoor TL-USL0) copper cables (L1, L2, PE).  PE: 6 AWG Table 5-3 Cable description (SUN2000-9KTL/10KTL/11.4KTL-USL0) Cable Type Conductor Source Cross-sectional Area Range Energy meter Multi-paired and individually foil 24–16 AWG...
  • Page 47: Installing The Pipe Fittings

    5.2 Installing the Pipe Fittings Context The pipe specifications should comply with the waterproofing bolt specifications. The following figure shows the diameters of the cable holes with waterproofing bolts removed. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 48 SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 5 Electrical Connections Figure 5-3 Cable hole diameters (SUN2000-3.8KTL/5KTL/7.6KTL-USL0) (1) Battery cable hole (2) Signal cable hole (COM) (3) DC cable hole (PV) (BAT) (4) Critical load cable hole (5) Home load cable hole (BACKUP) (AC GRID) Figure 5-4 Cable hole diameters (SUN2000-9KTL/10KTL/11.4KTL-USL0)
  • Page 49 Figure 5-6 Installing a pipe for routing cables (1) Locking nut (2) Cable hole at the bottom of the SUN2000 (3) Waterproofing bolt (4) Pipe nut...
  • Page 50: Electrical Connections

    5.3.1 Connecting the AC Output Power Cable Connecting the AC Output Power Cable for Home Load An AC switch must be installed on the AC side of the SUN2000 to ensure that the SUN2000 can be safely disconnected from the power grid.
  • Page 51 5 Electrical Connections  Ensure that AC terminations are secured. Failure to do so may cause the SUN2000 to malfunction or cause damage to its terminal block due to issues such as overheating. Any such damage is not covered by the warranty.
  • Page 52 SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 5 Electrical Connections Figure 5-8 SUN2000-3.8KTL/5KTL/7.6KTL-USL0 (L1/L2) Figure 5-9 SUN2000-9KTL/10KTL/11.4KTL-USL0 (L1/L2/N) Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 53 Step 5 Check that the cables are connected correctly and securely. Then take appropriate measures to ensure that the pipe conduit and fitting are secured reliably, and seal the cable holes. Step 6 Keep the maintenance compartment clean. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 54 5 Electrical Connections  Ensure that AC terminations are secured. Failure to do so may cause the SUN2000 to malfunction or cause damage to its terminal block due to issues such as overheating. Any such damage is not covered by the warranty.
  • Page 55: Connecting The Pv Input Power Cable

     If no PV string is connected to a DC input terminal of the SUN2000, do not remove the waterproofing bolt from the DC input terminal. Otherwise, the IP rating of the SUN2000 will be affected.
  • Page 56 During the installation of PV strings and SUN2000, the positive or negative terminals of PV strings may be grounded if power cables are not properly installed or routed. In this case, an AC or DC short circuit may occur and damage the SUN2000. Any such damage is not covered by the warranty.
  • Page 57 SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 5 Electrical Connections Figure 5-13 Connecting the PV input power cable (SUN2000-3.8KTL/5KTL/7.6KTL-USL0) Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 58: Connecting The Battery Cable

    SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 5 Electrical Connections Figure 5-14 Connecting the PV input power cable (SUN2000-9KTL/10KTL/11.4KTL-USL0) ----End 5.3.3 Connecting the Battery Cable Prerequisites Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 59  If no battery is connected to the SUN2000, do not remove the waterproofing bolt from the battery terminal. Otherwise, the IP rating of the SUN2000 will be affected. If a battery is connected to the SUN2000, set aside the waterproofing bolt. Reinstall the waterproofing bolt immediately after removing the connector.
  • Page 60 Ensure that cables are correctly connected between the terminals on the battery and the battery switch, and between the battery switch and the battery terminal on the SUN2000. Cables with high rigidity, such as armored cables, are not recommended, because poor contact may be caused by the bending of the cables.
  • Page 61: Connecting The Signal Cables

    SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 5 Electrical Connections Figure 5-16 Connecting the battery cable (SUN2000-9KTL/10KTL/11.4KTL-USL0) ----End 5.3.4 Connecting the Signal Cables Context When laying out signal cables, separate them from power cables to minimize signal interference. Figure 5-17 COM port Table 5-4 COM port definitions...
  • Page 62 Step 5 Check that the cables are connected correctly and securely. Then take appropriate measures to ensure that the pipe conduit and fittings are secured reliably, and seal the cable holes. Step 6 Keep the maintenance compartment clean. The signal cable terminal block is provided with the SUN2000. Issue 01 (2018-05-21) Huawei Proprietary and Confidential...
  • Page 63 SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 5 Electrical Connections Figure 5-18 Connecting the signal cables (SUN2000-3.8KTL/5KTL/7.6KTL-USL0) Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 64: Optional) Installing An Antenna

    SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 5 Electrical Connections Figure 5-19 Connecting the signal cables (SUN2000-9KTL/10KTL/11.4KTL-USL0) ----End 5.3.5 (Optional) Installing an Antenna Prerequisites An antenna is configured.  4G and WLAN antennas can be installed in the same way. The following describes the installation of a 4G antenna.
  • Page 65 SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 5 Electrical Connections Ensure that the antenna is installed securely. Figure 5-20 Installing an antenna ----End Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 66: System Commissioning

    The ground cable is connected correctly, securely, and reliably. Switches The DC switch and all the switches connecting to the SUN2000 are in the OFF position. The AC output power cable, DC input power Cable connections cable, battery cable, and signal cable are connected correctly, securely, and reliably.
  • Page 67: Powering On The System

    The LEDs will turn off. Procedure Step 1 If a battery connects to the battery port of the SUN2000, turn off the battery Auxiliary Power ON/OFF switch, and then turn off the battery Circuit Breaker switch.
  • Page 68 The DC is on and the at long intervals SUN2000 has no output in backup state. Both the DC and AC are off, or the SUN2000 is in Low Power Consumption mode. Low Power Consumption mode means that the monitoring system of the SUN2000 is hibernating.
  • Page 69: Powering Off The System

    Power off the system after the SUN2000 has shut down. If no shutdown command is sent from the app, the SUN2000 will shut down after the power grid is powered off. The SUN2000 will wait for 1 minute and restart (not grid-tied) and charge the battery, which poses an electrical hazard when you turn off the DC switch.
  • Page 70: Grid-tied/backup Mode Switching

    Step 2 Turn off the AC switch between the SUN2000 and the power grid. Step 3 Turn off the DC switch at the bottom of the SUN2000. Step 4 If a battery connects to the battery port of the SUN2000, power off the battery. ----End 6.4 Grid-tied/Backup Mode Switching...
  • Page 71 Step 4 When the power grid resumes normal functioning, the SUN2000 keeps running in the backup state. Step 5 After you press the backup enable button again to release it, the SUN2000 switches to the grid-tied state. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright ©...
  • Page 72 SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 6 System Commissioning Figure 6-4 Releasing the backup enable button ----End Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 73: Operations On The Local Fusionhome App

    SUN2000 over WiFi to allow for querying alarms, configuring parameters, and performing routine maintenance, and commissioning. Connection Method After the DC or AC side of the SUN2000 is energized, the app can connect to the SUN2000 in either of the following ways: ...
  • Page 74 7 Operations on the Local FusionHome App  Mobile phone operating system: Android 4.4 or later, iOS 8.0 or later.  Recommended brands: Huawei, Samsung, and iPhone  The mobile phone must support the access to the Internet over a web browser. ...
  • Page 75: Downloading And Installing The App

    Home Screen on Android The home screen on Android contains WiFi, Inverter, and Tool Kit. The file manager in the tool kit can be used to export the logs of the SUN2000 and app in offline mode. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright ©...
  • Page 76: Connecting To A Sun2000 Wifi Network

    Home Screen on iOS The home screen on iOS contains WiFi, Inverter, and Tool Kit. The file manager in the tool kit can be used to export the logs of the SUN2000 and app in offline mode. Figure 7-6 Home screen on iOS 7.3 Connecting to a SUN2000 WiFi Network...
  • Page 77 Figure 7-7 Mobile phone connecting to the SUN2000 directly If you log in for the first time and the initial SUN2000 WiFi password is not changed, you can scan the WiFi login QR code on the side of the SUN2000 to connect to the SUN2000 WiFi network.
  • Page 78 If you log in for the first time and the SUN2000 WiFi password is not changed, tap Scan the QR code to connect to Huawei inverter WiFi network, and scan the WiFi login QR code on the side of the SUN2000 to obtain the WiFi login password.
  • Page 79 Figure 7-10 Mobile phone connecting to the SUN2000 directly  Method 2: The mobile phone connects to the SUN2000 over a router. Do not use this method for the first login. Ensure that the SUN2000 has connected to the router.
  • Page 80: App Operations By The Installer

    The name of the connected SUN2000 is represented by its (SN), which can be found on the SN label attached to the side of the SUN2000.  The login password is the same as that for the SUN2000 connected to the app and is used only when the SUN2000 connects to the app. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright ©...
  • Page 81 Before setting the grid code, ensure that the DC side of the inverter is energized.  The Quick setting screen is displayed only when the SUN2000 connects to the app for the first time or the factory defaults of the SUN2000 are restored.
  • Page 82 SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 7 Operations on the Local FusionHome App Figure 7-13 Quick setting Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 83  After the management system is successfully connected, the SUN2000 will report the SN and installer registration code. If the connection fails, another connection attempt will start after 10 seconds. The installer registration code is generated by the SUN2000 automatically and is used for the installer to register with the management system and manage the inverter.
  • Page 84: Querying The Device Information

    If the connection fails, another connection attempt will start after 10 seconds. The installer registration code is generated by the SUN2000 automatically and is used for the installer to register with the management system and manage the inverter.
  • Page 85 To set the sorting mode for active alarms or historical alarms, tap . To query the historical alarms within a certain time range, tap and select the time range. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 86 7 Operations on the Local FusionHome App Figure 7-17 Alarm management Querying Power Curves You can query the current-day power curve and energy yield. Figure 7-18 Power curve Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 87: Maintaining The Devices

    You can query daily, monthly, yearly, and historical energy yields. Figure 7-19 Energy yield stat 7.4.3 Maintaining the Devices To maintain the devices, choose Device maint from the Home screen. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 88: Adding/deleting Devices

    Tap Submit to deliver the device information to the SUN2000. You can also tap Search next to Optimizer to automatically locate the string number and position of an optimizer and then add the optimizer.
  • Page 89 7 Operations on the Local FusionHome App  During the optimizer search process, the SUN2000 enters Shutdown mode. After the search is completed and the SUN2000 has resumed normal functioning, the SUN2000 can be restarted.  If the optimizer is changed after the system deployment, optimizer search must be performed.
  • Page 90 Specifies the model of the  CHINT-DDSU666 connected power meter. No  CCS-WNC-3D-240-MB other models of power meter  CCS-WNC-3Y-400-MB can be connected.  Gavazzi-EM340DINAV 23XS1X  Gavazzi-EM111DINAV 81XS1X Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 91: Upgrading Devices

    ----End 7.4.3.2 Upgrading Devices Prerequisites You have obtained the upgrade file through your supplier or Huawei engineers. Context  In the iOS system, the upgrade file can be imported to the mobile phone by email. The upgrade file name extension must be .zip. Manually select is unavailable.
  • Page 92 7 Operations on the Local FusionHome App Procedure Step 1 On the Home screen, choose Device maint > Upgrade device and follow the instructions. The SUN2000 and battery are used to illustrate the upgrade method. Figure 7-22 Upgrading the SUN2000 Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright ©...
  • Page 93: Performance Data

    Step 1 On the Operation console screen, choose Device maint > Performance data and then query the charge and discharge power of the battery or the power of the meter. Battery performance data is used to illustrate the query method. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 94: Energy Control

    7 Operations on the Local FusionHome App Figure 7-24 Performance data ----End 7.4.3.4 Energy Control On the Operation console screen, choose Device maint > Energy control and perform the required operation. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 95: Grid-tied Point Control

     Default Default, the SUN2000  Grid connection with output power is not limited. zero power The SUN2000 can export its  Power-limited Grid rated power to the power Connection grid. If this parameter is set to Grid connection with zero...
  • Page 96: Energy Storage Control

    User Manual 7 Operations on the Local FusionHome App Parameter Description Value Range Connection and the SUN2000 is connected to a power meter, the SUN2000 supplies power limited based on the setting of Grid-tied Point Power to the power grid.
  • Page 97 A maximum of 10 price time periods can be added. ----End Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 98 Step 1 On the Operation console screen, choose Device maint > Energy control > Energy storage control > Charge battery with gird power and perform the required operation. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 99: Starting Or Shutting Down The Sun2000

    Step 1 On the Operation console screen, choose Device maint > Inverter ON/OFF, and perform operations as required. To start or shut down the SUN2000, you need to need to re-enter the password. Issue 01 (2018-05-21) Huawei Proprietary and Confidential...
  • Page 100: Restoring Factory Defaults

    SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 7 Operations on the Local FusionHome App Figure 7-32 Starting or shutting down the SUN2000 ----End 7.4.3.6 Restoring Factory Defaults Context Perform this operation with caution because all configured parameters except the current date, time, and networking related parameters will be restored to their factory defaults. This operation will not affect operating information, alarm records, or system logs.
  • Page 101: Clearing Data

    Procedure Step 1 On the Operation console screen, choose Device maint > Clear data. To clear data, you need to re-enter the password. Figure 7-34 Clearing data Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 102: Starting Afci Check

    Step 1 On the Operation console screen, choose Device maintenance > Adjust total energy yield and perform the required operation. To Adjust total energy yield, you need to re-enter the password. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 103: Restarting The Sun2000

    ----End 7.4.3.10 Restarting the SUN2000 Procedure Step 1 On the Operation console screen, choose Device maint > Restart to restart the SUN2000 To restart the SUN2000, you need to re-enter the password. Issue 01 (2018-05-21) Huawei Proprietary and Confidential...
  • Page 104: Quick Setting

    To exit the setting, press the Back button on the mobile phone or tap Exit on the screen. Method 1: Quick Setting Step 1 Choose Quick setting from the Operation console screen and perform setting by following the instructions. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 105 SUN2000-(3.8KTL-11.4KTL)-USL0 User Manual 7 Operations on the Local FusionHome App Figure 7-38 Quick setting Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 106  After the management system is successfully connected, the SUN2000 will report the SN and installer registration code. If the connection fails, another connection attempt will start after 10 seconds. The installer registration code is generated by the SUN2000 automatically and is used for the installer to register with the management system and manage the inverter.
  • Page 107: Setting Grid-connection Parameters

    If the connection fails, another connection attempt will start after 10 seconds. The installer registration code is generated by the SUN2000 automatically and is used for the installer to register with the management system and manage the inverter.
  • Page 108: Setting Grid Parameters

    Grid-connect config > Expert from the Operation console screen. 7.4.5.1 Setting Grid Parameters To set grid parameters, choose Grid-connect config > Expert > Grid parameters from the Operation console screen. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 109 Set this parameter based on The default value varies the grid code of the country depending on the model. or region where the  Output mode SUN2000 is being used and the SUN2000 application  L1/L2/N scenario. Before setting the  L1/L2...
  • Page 110: Protection Parameters

    User Manual 7 Operations on the Local FusionHome App Parameter Description Value Range upper threshold, the SUN2000 is not allowed to connect to the power grid. Grid re-con voltage lower For a specific grid code, if [45%Vn, 95%Vn] limit (V)
  • Page 111 Level-2 UV protection Specifies the level-2 [50, 7200000] duration (ms) undervoltage protection duration. Level-1 OF protection Specifies the level-1 [1xFn, 1.15xFn] threshold (Hz) overfrequency protection threshold. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 112: Feature Parameters

    [50, 7200000] duration (ms) underfrequency protection duration. 7.4.5.3 Feature Parameters To set feature parameters, choose Grid-connect config > Expert > Feature parameters from the Operation console screen Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 113 7 Operations on the Local FusionHome App Figure 7-43 Feature parameters The feature parameter values vary with the grid code. Table 7-10 Description of feature parameters Parameter Description Value Range When the SUN2000 is used  MPPT multi-peak scanning Disable in scenarios where PV  Enable strings are obviously shaded, enable this function.
  • Page 114 SUN2000 starts. AFCI The North American  Disable standard requires the  Enable SUN2000 to provide the DC arc detection function. AFCI detection adaptive Adjusts the sensitivity of arc  High mode detection.  Moderate ...
  • Page 115 During LVRT, the [0, 3] factor SUN2000 needs to generate reactive power to support the power grid. This parameter specifies the reactive power generated by the SUN2000. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 116 (if there is a power grid outage, it supplies power to loads through the backup port in backup mode).  Disable: The SUN2000 does not provide the backup function. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 117: Power Adjustment

    7.4.5.4 Power Adjustment To set power adjustment parameters, choose Grid-connect config > Expert > Power adjustment from the Operation console screen. Figure 7-44 Power adjustment Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 118 Derated by active pwr % Adjusts the active power [0, 100] (0.1%) output of the SUN2000 by a percentage. If this parameter is set to 100, the SUN2000 delivers its maximum output power. Reactive power change Adjusts the change speed of [0.1, 1000]...
  • Page 119: Time Setting

    [5, 20] derating (%/min) recovery gradient for overfrequency derating. 7.4.5.5 Time Setting To set time, choose Grid-connect config > Expert > Time setting from the Operation console screen. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 120 NTP server address address or domain name. NTP server port Specifies the server port. [0, 65535] NTP time synchronization Specifies the NTP time [1, 1440] interval synchronization interval. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 121: Communication Configuration

    Figure 7-46 Comm config Setting Inverter WiFi Parameters To set the inverter WiFi parameters, choose Comm config > Inverter WiFi settings from the Operation console screen, and then select the appropriate SUN2000. Figure 7-47 Inverter WiFi settings Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright ©...
  • Page 122 Gateway [1.0.0.0, 223.255.255.255] the inverter WiFi network that functions as an AP. The default value is recommended. Subnet mask The default value [1.0.0.0, 223.255.255.255] (255.255.255.0) is recommended. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 123 Figure 7-48 Inverter connected router settings Before the Inverter connected router settings screen is displayed, the app sends a command to start scanning. Then the SUN2000 starts to scan nearby WiFi networks and sends the list of WiFi networks to the app.
  • Page 124 7 Operations on the Local FusionHome App Parameter Description Value Range Encrypted with Specifies the encryption  Not encrypted level for the SUN2000 to  WEP_OPEN connect to the router over  WEP_SHARED WiFi. It should be the same as the encryption level of ...
  • Page 125 7 Operations on the Local FusionHome App  If a power meter or battery is connected, the SUN2000 baud rate should be the same as the baud rate of the power meter or battery. Otherwise, the power meter or battery cannot communicate with the SUN2000.
  • Page 126 Table 7-16 Description of the parameters on the Connecting to the management system screen Parameter Description Value Range Specifies the IP address or Domain name network address used for connecting to the management system. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 127 After the replacement is complete, connect the SUN2000 to the management system and check the correctness of the certificate. SUN2000 equipment SN. Registration code The installer registration...
  • Page 128 If the connection fails, another connection attempt will start after 10 seconds. The installer registration code is generated by the SUN2000 automatically and is used for the installer to register with the management system and manage the inverter.
  • Page 129: Managing Logs

    Step 2 After logs are downloaded, choose Current log to access the log list, where you can view the downloaded logs. To delete logs or share logs by email, select the logs that need to be deleted or shared. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 130: Menu

    Contains at least two of the following types: lowercase letters, uppercase letters, and digits.  Differs from the old password by at least two characters. Figure 7-55 Change password Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 131: About

    The name of the connected SUN2000 is represented by its (SN), which can be found on the SN label attached to the side of the SUN2000.  The login password is the same as that for the SUN2000 connected to the app and is used only when the SUN2000 connects to the app. ...
  • Page 132: Querying The Device Status

    Step 2 If you log in successfully, the home screen is displayed. Figure 7-58 Home screen ----End 7.5.2 Querying the Device Status To query the status of each device, choose > Device status from the main screen. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 133: Alarm Management

    To set the sorting mode for active alarms or historical alarms, tap . To query the historical alarms within a certain time range, tap and select the time range. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 134: Querying The Power Curve

    Figure 7-60 Alarm management 7.5.4 Querying the Power Curve To query the current-day power curve and energy yield, choose > Power curve from the main screen. Figure 7-61 Power curve Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 135: Querying Energy Yields

    On the main screen, choose > Set and perform the following operations as required. Figure 7-63 Settings  Reset the password for user to log in to the SUN2000. The password should meet the following requirements:  Contains 6–20 characters.
  • Page 136 Figure 7-65 Inverter connected router settings Before the Inverter connected router settings screen is displayed, the app sends a command to start scanning. Then the SUN2000 starts to scan nearby WiFi networks and sends the list of WiFi networks to the app.
  • Page 137 WiFi network connects. Password Specifies the WiFi password for the router. Encrypted with Specifies the encryption  Not encrypted level for the SUN2000 to  WEP_OPEN connect to the router over  WEP_SHARED WiFi. It should be the same ...
  • Page 138: About

    Specifies the address of the secondary DNS server.  Start or shut down the SUN2000. To start or shut down the SUN2000, you need to re-enter the password. Figure 7-66 Starting or shutting down the SUN2000 7.5.7 About To view the version information, choose >...
  • Page 139: App Troubleshooting

    The mobile phone or router Keep the mobile phone or is more than 3 meters away router within 3 meters of the from the SUN2000, so the SUN2000 to maintain a WiFi is not connected. reliable WiFi connection. The Failed to connect to...
  • Page 140 No upgrade package is No upgrade package is Save the upgrade package to available for an upgrade. saved to the mobile phone. the mobile phone. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 141: System Maintenance

    System Maintenance 8.1 Routine Maintenance To ensure that the SUN2000 can operate properly over the long term, you are advised to perform routine maintenance as described in this chapter. Before cleaning the system, connecting cables, checking the grounding reliability, or doing any other maintenance, first power off the system (see 6.3 Powering Off the System...
  • Page 142: Parts Replacement

    Before replacing the power compartment, ensure that the screw assemblies between the maintenance compartment and mounting bracket have been tightened. The power compartment of SUN2000-3.8KTL/5KTL/7.6KTL-USL0 and SUN2000-9KTL/10KTL/11.4KTL-USL0 can be replaced in the same way. The following describes the installation of the SUN2000-3.8KTL/5KTL/7.6KTL-USL0. Procedure Step 1 Remove the maintenance compartment cover.
  • Page 143 8 System Maintenance Figure 8-1 Removing the maintenance compartment cover Step 2 Remove the 10-pin signal terminal and 2-pin enable terminal. Figure 8-2 Removing the 10-pin signal terminal Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 144 (optional, only for the WLAN model). Do not remove the 4G module when removing the USB cable. Figure 8-4 Removing the USB cable (optional, only for the 4G model) Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 145 Figure 8-5 Removing the WLAN cable (optional, only for the WLAN model) Step 4 Remove the DC cable. Figure 8-6 Removing the DC cable Step 5 Remove the AC cable and the fuse cable. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 146 Step 6 Remove the ground cable. Figure 8-8 Removing the ground cable Step 7 Remove the external four M6 screws that secure the power and maintenance compartments. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 147 Step 8 Remove the power compartment. Figure 8-10 Removing the power compartment Step 9 Install the lower mounting kit of the new power compartment onto the mounting bracket and route cables. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 148 Step 12 Reinstall the USB cable (optional, only for the 4G model), or reinstall the WLAN cable (optional, only for the WLAN model). Step 13 Reinstall the 10-pin signal terminal and 2-pin enable terminal. Step 14 Reinstall the maintenance compartment cover. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 149: Sun2000 Troubleshooting

    8-13, to manually clear it or power off the SUN2000. Powering off the SUN2000 to clear the alarm: Turn off the AC output switch and then the DC input switch. After 5 minutes, turn on the AC output switch and then the DC input switch.
  • Page 150 AC switch is set to the  The AC circuit is the fault is ON position. disconnected or the rectified AC switch is set to the OFF position. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 151 3. Check whether the peak grid voltage exceeds the upper threshold. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 152 If grid frequency is within the acceptable range, modify the grid overfrequency protection threshold with the consent of the local power operator. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 153 2. If the alarm is triggered frequently, contact your installer. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 154 Grounding alarm  The PE cable for the connected properly. reporting, and SUN2000 is not automatic 2. If the SUN2000 is connected. recovery after connected to the TN  The voltage between the fault is power grid, check the SUN2000...
  • Page 155 SUN2000. Shutdown, Cause ID = 8–13 alarm An unrecoverable fault reporting, and has occurred on a automatic circuit inside the recovery after SUN2000. the fault is rectified Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 156 Grid Connection configurations. Power mode, the 3. Check that the energy energy meter meter is powered on and communication is the RS485 interrupted. communications cable is connected correctly. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 157 PV meet requirements, or strings meet requirements the PV module output is and whether the PV module reversely connected or output is reversely short-circuited. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 158 PV strings is greater than 2 (3.8 kW/5 kW/7.6 kW) or 3 (9 kW/10 kW/11.4 kW).  ID5: The total output of PV modules is reversely connected or short-circuited. Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 159: Handling The Sun2000

    Step 5 Remove the mounting bracket. ----End 9.2 Packing the SUN2000  If the original packaging is available, put the SUN2000 inside it and then seal it using adhesive tape.  If the original packaging is not available, put the SUN2000 inside a suitable cardboard box and seal it properly.
  • Page 160: Technical Specifications

    Rated input 325 V (208 V AC), 370 V (240 V AC) voltage Full-load 325–420 V (208 V AC), 370–420 V (240 V AC) input voltage range Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 161 60 Hz; allowed operating range: 60 Hz± 15% frequency Maximum 15.9 A 20.9 A 31.7 A 37.5 A 41.7A 47.5 A output current –0.8 leading ... +0.8 lagging Power factor Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 162 Rated input 390 V voltage Soft start time < 10s Voltage Linear load: < 3%; non-linear load: < 5% THDv Max. output 49Arms, 192Apk/21ms fault current (A)/duration (ms) Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 163 ISO detection UL 1741 DCI detection IEEE 1547 RCMU detection UL 1741 Overvoltage III for AC side, II for DC side category Input reverse Supported connection protection Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 164 208/240 208/240 interconnection voltage trip limits and trip times: Maximum Minimum Overvoltage/Fast 260/288 208/240 0.05 Overvoltage/Slow 260/288 208/240 0.05 Undervoltage/Slo 208/240 83.2/96 0.05 Undervoltage/Fast 208/240 83.2/96 0.05 Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 165 25.59 in x 6.30 in) Weight 18 kg (39.7 lb) 23 kg (50.7 lb) –30° C to +60° C (–22° F to +140° F) Operating temperature Operating 0%–100% RH humidity Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 166 –30° C to +60° C (–22° F to +140° F) Storage temperature Storage 5%–95% RH humidity Pollution Degree Limits of 0.02 Hz accuracy of frequency measurement Maximum 500 Vdc input voltage (battery open circuit voltage) Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 167: A Grid Codes

    60 Hz ern-LV208 power grid PRC_024_East US low-voltage Split phase 240 V 60 Hz ern-LV240 power grid PRC_024_West US low-voltage Single-phase 208 V 60 Hz ern-LV208 power grid Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 168 60 Hz ern-LV240 power grid PRC_024_Que US low-voltage Single-phase 208 V 60 Hz bec-LV208 power grid PRC_024_Que US low-voltage Split phase 240 V 60 Hz bec-LV240 power grid Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 169: B Acronyms And Abbreviations

    LVRT Media Access Control MPPT maximum power point tracking personal computer protective earthing power line communication photovoltaic Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 170 RCMU residual current monitoring unit relative humidity serial number THDi total distortion of the input current waveform waste electrical and electronic equipment WEEE Wireless Fidelity WiFi Issue 01 (2018-05-21) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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