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Huawei SUN2000-175KTL-H0 User Manual

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SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1)
User Manual
Issue
19
Date
2023-12-20
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-175KTL-H0

  • Page 1 SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1) User Manual Issue Date 2023-12-20 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

    About This Document About This Document Overview This document describes the SUN2000-175KTL-H0, SUN2000-185KTL-INH0, and SUN2000-185KTL-H1 (SUN2000 for short) in terms of their installation, electrical connections, commissioning, maintenance, and troubleshooting. Before installing and operating the inverter, ensure that you are familiar with the features, functions, and safety precautions provided in this document.
  • Page 4 DC input power cables. Issue 17 (2023-05-25) Updated 2.1 Product Overview. Issue 16 (2023-03-30) Updated 2.1 Product Overview. Issue 15 (2023-02-28) Updated 1 Safety Information. Updated 2.1 Product Overview. Updated 4.2 Preparing Tools. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 5 8.6 Resetting and Turning On the DC Switch. Issue 12 (2021-07-08) Updated 6.2 System Power-On. Updated 7.1.3 Logging In to the App. Updated 8.5 Alarm Reference. Issue 11 (2021-05-21) Updated 5.7 Installing the DC Input Power Cable. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 2.3.1 Label Description. Updated 5.8 Installing the Communications Cable. Updated 7.1 Operations with the App. Updated 10 Technical Data. Added A Securing Y-Branch Connectors. Added C Domain Name List of Management Systems. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 7 5.7 Installing the DC Input Power Cable. Updated 8.5 Alarm Reference. Added B String Access Detection. Issue 02 (2019-06-05) Updated Appearance. Issue 01 (2019-05-15) This issue is used for first office application (FOA). Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 8: Table Of Contents

    4.4.2 Wall-mounted Installation............................. 35 4.5 Installing the Inverter................................36 5 Electrical Connections......................40 5.1 Precautions....................................40 5.2 Crimping an OT or DT Terminal............................41 5.3 Opening the Maintenance Compartment Door......................44 Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 9 9.2 Packing the SUN2000............................... 100 9.3 Disposing of the SUN2000.............................. 100 10 Technical Data........................101 A Securing Y-Branch Connectors..................105 B String Access Detection..................... 108 C Domain Name List of Management Systems...............111 Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd. viii...
  • Page 10 SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1) User Manual Contents D Grid Code..........................112 E Resetting Password......................117 F Contact Information......................118 G Digital Power Customer Service..................120 H Acronyms and Abbreviations...................121 Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 11: Safety Information

    The equipment is damaged due to force majeure such as earthquakes, floods, volcanic eruptions, debris flows, lightning strikes, fires, wars, armed conflicts, typhoons, hurricanes, tornadoes, and other extreme weather conditions. ● The equipment is operated beyond the conditions specified in this document. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 12: Personal Safety

    D ANGER During operations, use dedicated insulated tools to prevent electric shocks or short circuits. The dielectric withstanding voltage level must comply with local laws, regulations, standards, and specifications. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 13 Professionals: personnel who are familiar with the working principles and structure of the equipment, trained or experienced in equipment operations and are clear of the sources and degree of various potential hazards in equipment installation, operation, maintenance Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 14: Electrical Safety

    WARNING For the equipment that needs to be grounded, install the ground cable first when installing the equipment and remove the ground cable last when removing the equipment. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 15 If the equipment has multiple inputs, disconnect all the inputs before operating the equipment. ● Before maintaining a downstream electrical or power distribution device, turn off the output switch on the power supply equipment. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 16 For example, check that the current-carrying capacity meets requirements. ● When routing cables, reserve at least 30 mm clearance between the cables and heat-generating components or areas. This prevents deterioration or damage to the cable insulation layer. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Environment Requirements

    Do not install, use, or operate outdoor equipment and cables (including but not limited to moving equipment, operating equipment and cables, inserting connectors to or removing connectors from signal ports connected to outdoor facilities, working at heights, performing outdoor installation, and opening Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 18: Mechanical Safety

    Do not use tools that have signs of scratches or fail to pass the inspection or whose inspection validity period has expired. Ensure that the tools are secure and not overloaded. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 19 Move a heavy object stably with balanced force at an even and low speed. Put down the object stably and slowly to prevent any collision or drop from scratching the surface of the equipment or damaging the components and cables. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 20 If a single ladder is used, the recommended angle for the ladder against the floor is 75 degrees, as shown in the following figure. A square can be used to measure the angle. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 21 Do not drag steel ropes and hoisting tools or bump the hoisted objects against hard objects during hoisting. ● Ensure that the angle between two hoisting ropes is no more than 90 degrees, as shown in the following figure. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 22 To avoid short circuits or other risks, do not drill holes into buried pipes or cables. ● When drilling holes, protect the equipment from shavings. After drilling, clean up any shavings. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Overview

    This document involves the following product models: ● SUN2000-175KTL-H0 ● SUN2000-185KTL-INH0 ● SUN2000-185KTL-H1 Figure 2-1 Model description (SUN2000-185KTL-INH0 is used as an example) Table 2-1 Model description Meaning Value Product family SUN2000: three-phase grid-tied PV string inverter Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 24 H0/H1: product series with the 1500 V DC input voltage NO TE ● The SUN2000-175KTL-H0 is applicable only to the Chinese mainland. For other countries or regions, the Company does not provide quality assurance. ● The SUN2000-175KTL-H0, SUN2000-185KTL-INH0, and SUN2000-185KTL-H1 inverters included in this manual cannot be connected to the same winding of the box-type transformer with other inverters.

  • Page 25: Appearance

    The SUN2000 supports the IT earthing system in PV-only scenario. The use of the SUN2000 in other types of earthing systems, such as TT, TN-C, and TN-C-S, is not recommended. (If such an earthing system is encountered, contact the Company's engineers.) 2.2 Appearance Dimensions Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 26 DC input voltage of all MPPT circuits is less than 500 V. Grid LED2 LED4 connection Steady The inverter is in grid-tied mode. indication green Blinking An environmental fault occurs at AC side. green at short intervals Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 27 ● If the alarming and the local maintenance happen concurrently, the alarm/maintenance indicator shows the local maintenance state first. After the USB flash drive, Bluetooth module, WLAN module, or USB data cable is removed, the indicator shows the alarm state. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 28 (14) Hole for the tracking system cable power cable Figure 2-5 Port Illustration (Automatic DC Switch) (1) DC input terminals (controlled by DC (2) Screw hole for DC switch 1 SWITCH 1) Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 29 RESET button will be released. ● When the RESET button is not pressed, the DC switch can only be turned to the unloaded position , and cannot be set to the ON position. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 30: Label Description

    Operation warning Do not remove the DC input connector when the inverter is running. Switching operation The DC switch may fail to switch off warning automatically when it is not completely closed. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Product Nameplate

    Fan replacement warning Before replacing a fan, disconnect its power connectors. Inverter ESN label Indicates the inverter serial number. Weight label The inverter needs to be carried by four persons or using a pallet truck. 2.3.2 Product Nameplate Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 32: Working Principles

    SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1) User Manual 2 Overview Figure 2-6 Nameplate (SUN2000-175KTL-H0 is used as an example) (1) Trademark and product model (2) Important technical specifications (3) Compliance symbols (4) Company name and country of manufacture NO TE The nameplate figure is for reference only.

  • Page 33: Working Modes

    SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1) User Manual 2 Overview Figure 2-7 Inverter conceptual diagram 2.4.2 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 34 ● 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 that the fault is rectified. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Smart I-V Curve Diagnosis

    User Manual 2 Overview 2.5 Smart I-V Curve Diagnosis The inverter supports the Smart I-V Curve Diagnosis function. For details, see the iMaster NetEco V600R023C00 Smart I-V Curve Diagnosis User Manual. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 36: Solar Inverter Storage

    ● Do not tilt the package or place it upside down. ● To avoid personal injury or device damage, stack inverters with caution to prevent them from falling over. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 37 Figure 3-2 Maximum number of pile-up layers allowed ● If an inverter has been stored for two years or longer, it must be checked and tested by professionals before being put into use. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 38: Installation

    NO TE Packing List in the packing case. For details about the number of contents, see the 4.2 Preparing Tools Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 Vacuum cleaner Crimping tool Removal wrench Model: PV- Model: 13001462; CZM-41100; manufacturer: manufacturer: Staubli Staubli Multimeter Marker Measuring tape Bubble or digital level DC voltage measurement range ≥ 1500 V DC Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 40: Determining The Installation Position

    If the inverter is installed in a place with abundant vegetation, in addition to routine weeding, harden the ground underneath the inverter using cement or gravel (the area shall be greater than or equal to 3 m x 2.5 m). Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 41: Space Requirements

    The inverter will be corroded in salt areas. Before installing the inverter outdoors in salt areas, consult Huawei. A salt area refers to the region within 500 meters from the coast or prone to sea breeze. The regions prone to sea breeze vary with weather conditions (such as typhoons and monsoons) or terrains (such as dams and hills).
  • Page 42 Figure 4-2 Installation space NO TE The clearance at the bottom must meet the requirements on the bending radius of the AC output power cable. Figure 4-3 Installation angle Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 43 Stacked installation is not recommended. Figure 4-4 Horizontal installation mode (recommended) Figure 4-5 Triangle installation mode (recommended) Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 44: Installing The Mounting Bracket

    Mark any hole in each group based on site requirements and mark four holes in total. The two round holes are recommended. Before installing the mounting bracket, remove the security torx wrench from the mounting bracket and set it aside. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 45: Support-Mounted Installation

    If the bolt assembly length does not meet the installation requirements, prepare M12 bolt assemblies by yourself and use them together with the delivered M12 nuts. ----End 4.4.2 Wall-mounted Installation Wall-mounted Installation Step 1 Install the mounting bracket. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 46: Installing The Inverter

    Figure 4-10 Securing the mounting bracket ----End 4.5 Installing the Inverter Preparing for the Installation Before installing the inverter, take it out from the packing case and move it to the installation position. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 47 Figure 4-12 Lifting positions Installing the Inverter Step 1 Optional: Install screws for locking DC switches. NO TE For the model used in Australia, perform this step to meet the local standards. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 48 Step 3 Tighten the two screws at the bottom of the inverter. Figure 4-14 Installation ----End Supplementary Notes If the inverter is installed in a high position, you can hoist it. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 49 SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1) User Manual 4 Installation Figure 4-15 Hoisting the inverter Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 50: Electrical Connections

    ● Only certified electrician can perform electrical terminations. ● Operation personnel must wear PPE when connecting cables. ● Before connecting cables to ports, leave enough slack to reduce the tension on the cables and prevent poor cable connections. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 51: Crimping An Ot Or Dt Terminal

    If a copper-clad aluminum cable is used, use copper wiring terminals. ● If an aluminum alloy cable is used, use copper-aluminum transition wiring terminals, or aluminum wiring terminals along with copper-aluminum transition spacers. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 Ensure that the aluminum sides of spacers are in contact with aluminum wiring terminals, and copper sides of spacers are in contact with the AC terminal block. Figure 5-2 Requirements for the OT/DT terminal Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 53 ● When using a heat gun, protect devices from being scorched. Figure 5-3 Crimping an OT terminal (1) Cable (2) Core (3) Heat shrink tubing (4) OT terminal (5) Hydraulic pliers (6) Heat gun Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 54: Opening The Maintenance Compartment Door

    ● Do not leave unused screws in the maintenance compartment. Procedure Step 1 Partially loosen the two screws on the maintenance compartment door. Step 2 Open the maintenance compartment door and install a support bar. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 55 For some models, a three-hole rubber plug is bound in the maintenance compartment. After removing the rubber plug, save it properly for future use. Figure 5-6 Removing the accessories from the maintenance compartment (1) Crimping modules ----End Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 56: Optional) Replacing The Crimping Module

    2.5 m. ● Connect the power cable of the tracking system before the AC output power cable. Otherwise, reworking will be caused. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 57: Connecting The Ac Output Power Cable

    Company's recommendations, the switch may fail to turn off in a timely manner in case of exceptions, causing serious faults. CA UTION Each inverter shall be equipped with an AC output switch. Multiple inverters shall not connect to the same AC switch. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 58 ● Multi-core M10 (PE) 50–240 mm cable: 24–66 Copper-clad ● Multi-core cable: (L1/L2/L3) aluminum cable 70–240 mm ● Single-core and aluminum ● Single-core cable: cable: 14–32 alloy cable 2[2] 70–240 mm Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 ● When the MBUS is used for communication, it is recommended that the multi-wire cable be used. The maximum communication distance is 1000 m. If other types of AC power cables are used, contact Huawei technical support. Table 5-2 PE cable specifications...
  • Page 60 Sufficient slack should be provided in the PE cable to ensure that the last cable bearing the force is the PE cable when the AC output power cable bears pulling force due to force majeure. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 61 SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1) User Manual 5 Electrical Connections Figure 5-12 Cable connection ----End Connecting the AC Output Power Cable (Single-core) Step 1 Connect the AC cable to the terminal block. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 62 Figure 5-13 Cable connection ----End NO TE The 32–36 mm cable is supported only by some models. Refer to the corresponding label to get the supported size. Bending Radius Figure 5-14 Bending Radius Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 63: Installing The Dc Input Power Cable

    PV strings may be short-circuited to ground if the power cables are not properly installed or routed. In this case, an AC or DC short circuit may occur and damage the SUN2000. The resulting device damage is not covered under any warranty. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 Requirements for selecting DC input terminals: Evenly distribute the DC input power cables on the DC input terminals controlled by the three DC switches. Maximize the number of connected MPPT circuits. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 65 Wiring Description of Y-branch Connectors NO TICE ● Y-branch connectors can be purchased from Huawei or the manufacturers based on the following recommended models: If the rated current of the fuse of the Y-branch connector is 15 A, the recommended model is 904095944 (Luxshare) or A040959443039 (Comlink);...
  • Page 66 Connection Description branch Connector (Part A) Connecting All models Use the DC terminals delivered with the Y-branch SUN2000s to connect part B to the connectors SUN2000s. to the PV strings (recommen ded) Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 The device damage caused by incompatible PV connectors is beyond the warranty scope. ● For models of the crimping tool and removal wrench, use the recommended model or contact your Staubli dealer. Step 1 Install the DC input power cable. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 68 PV string connector along the axial direction to check whether the connectors are securely connected. ● The connector must be securely connected. Damages caused by improper connection are not covered under the warranty. Figure 5-17 Cable connection Figure 5-18 Connector connection Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 69: Installing The Communications Cable

    PV connectors. Figure 5-19 DC input power cabling requirement ----End 5.8 Installing the Communications Cable Precautions When routing communications cables, separate communications cables from power cables to prevent communication from being affected. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 70 SmartLogger. PE, shielding ground PE, shielding ground RS485-2 RS485A, RS485 RS485B, RS485 Used for connecting differential signal+ differential signal– to RS485 slave devices. Procedure Step 1 Install the communications cable. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 71 SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1) User Manual 5 Electrical Connections Figure 5-21 Cable connection (4–8 mm four-hole rubber plug) NO TICE Block unused cable holes using plugs and tighten cable glands. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 72: Closing The Maintenance Compartment Door

    ● Block unused cable holes using plugs and tighten cable glands. ----End 5.9 Closing the Maintenance Compartment Door Procedure Step 1 Adjust the support bar, close the maintenance compartment door and tighten the two screws on the door. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 73 SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1) User Manual 5 Electrical Connections Figure 5-23 Closing the door ----End Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 74: System Commissioning

    10. Idle USB ports are plugged with waterproof plugs. 6.2 System Power-On Precautions D ANGER ● Wear personal protective equipment and use dedicated insulated tools to avoid electric shocks or short circuits. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 When you hear a click sound, the switch is ON. Step 3 Check the status of LED 1. If it is steady green, set DC SWITCH 2 and DC SWITCH 3 to ON. ----End Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 76: Man-Machine Interactions

    ● Over a USB data cable: The USB 2.0 port is supported. Use the USB data cable delivered with the mobile phone. ● Mobile phone operating system: Android 4.0 or later. ● Recommended phone brands: Huawei and Samsung. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 77: Downloading And Installing The App

    FusionSolar app: Scan the QR code and download the latest installation package. ● SUN2000 app: Log in to Huawei AppGallery , search for SUN2000, and download the app installation package. You can also scan the QR code to download the installation package.

  • Page 78: Logging In To The App

    ● After you select Use by default for this USB accessory, a message that asks you to confirm the USB access will not appear if you log in to the app again without removing the USB data cable. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 79 7 Man-Machine Interactions (Scenario in which the SUN2000 is connected to the FusionSolar SmartPVMS) Run the FusionSolar app and access the Device Commissioning screen. Figure 7-3 Selecting a connection mode (with network access) Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 80 7 Man-Machine Interactions Figure 7-4 Selecting a connection mode (without network access) (Scenario in which the SUN2000 is connected to other management systems) Run the SUN2000 app and access the operation screen. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 81 ● To set SUN2000 basic parameters on the quick settings screen, switch to Advanced User. If you log in as Common User or Special User, enter the password of the advanced user to access the Quick Settings screen. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 82: Operations Related To The Advanced User

    Isolation settings Set the working mode of the inverter based on the grounding status at DC side and the connection to the power grid. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 83: Setting Protection Parameters

    If the detected value is less than the preset value, the inverter does not connect to the grid. 7.1.4.3 Setting Feature Parameters Procedure Step 1 Choose Function Menu > Settings > Feature Parameters to access the settings screen. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 84 AC switch from misoperations. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 85 – If this parameter is set to CPV 2, the inverter can quickly restart in 10 minutes if the input power of PV modules drops drastically due to shading. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 86 (min) interruption. Used for automatic shutdown for protection in case of communication interruption. Soft start/boot Specifies the duration for the time (s) power to gradually increase when the inverter starts. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 87: Operations Related To The Special User

    7.1.5 Operations Related to the Special User If you log in to the app as Special User, you can set grid parameters, protection parameters, feature parameters, and power adjustment parameters for the SUN2000. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 88: Setting Grid Parameters

    Specifies whether to allow the inverter to automatically grid recovery start after the power grid recovers. Grid connected recovery Specifies the time after which the inverter begins time from grid faults (s) restarting after the power grid recovers. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 89 (%) Reactive power Specifies the voltage threshold for exiting reactive power compensation (cosφ-P) exit compensation based on the cosφ-P curve. voltage (%) Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 90: Setting Protection Parameters

    Specifies the 10-minute overvoltage protection duration (ms) duration. Level-N overvoltage protection Specifies the level-N grid overvoltage protection threshold (V) threshold. Level-N overvoltage protection Specifies the level-N grid overvoltage protection duration (ms) duration. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 91: Setting Feature Parameters

    Level-N underfrequency Specifies the level-N grid underfrequency protection protection duration (ms) duration. 7.1.5.3 Setting Feature Parameters Procedure Step 1 Choose Function Menu > Settings > Feature Parameters to access the settings screen. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 92 Threshold for Specifies the threshold for triggering LVRT. The This parameter is triggering threshold settings should meet the local grid displayed when LVRT LVRT (V) standard. is set to Enable. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 93 HVRT is short for high voltage ride-through. When the grid voltage is abnormally high for a short time, the inverter cannot disconnect from the power grid immediately and has to work for some time. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 94 Enable. ● LVRT recovery threshold = Threshold for triggering LVRT + VRT exit hysteresis threshold ● HVRT recovery threshold = Threshold for triggering HVRT - VRT exit hysteresis threshold Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 (s) system. TCP frame Specifies the maximum length of the TCP frame length sent by the northbound device to the solar inverter. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 96: Setting Power Adjustment Parameters

    If this parameter is set to Disable, the inverter does not respond to the scheduling instruction from the remote port. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 97 This parameter is displayed power compensation at night, the when Night-time reactive compensation reactive power is scheduled by power output and Enable (kVar) fixed value. reactive power parameters at night are set to Enable. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 98 Specifies the recovery rate of the gradient of overfrequency derating power. overfrequency derating (%/min) PF (U) voltage Specifies the time for filtering the detection filtering grid voltage in the PF-U curve. time (s) Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 99: Upgrading The Inverter

    Step 1 Download the required software upgrade package from the technical support website. Step 2 Decompress the upgrade package and copy all files to the root directory of the USB flash drive. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 100 After the restart, the indicator is blinking green slowly for 1 minute and then it becomes steady green, which indicates that the upgrade is successful. ----End Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 101: Maintenance

    (PPE) and begin servicing the inverter fifteen minutes after power- off. Procedure Step 1 Run a shutdown command on the SUN2000 app, SmartLogger, or network management system (NMS). For details, see the user manual of the corresponding product. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 102: Power-Off For Troubleshooting

    Step 5 Open the maintenance compartment door, install a support bar, and use a multimeter to measure the voltage between the AC terminal block and the ground. Ensure that the AC side of the solar inverter is disconnected. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 103: Routine Maintenance

    8.3 Routine Maintenance Maintenance Item To ensure that the inverter can operate properly for a long term, you are advised to perform routine maintenance on it as described in this chapter. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 104 USB ports are locked by waterproof caps. Grounding Ground cables are securely The first inspection is reliability connected. 6 months after the initial commissioning. From then on, the interval can be 6 or 12 months. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 105: Replacing A Fan

    Step 1 Remove the screw on the fan tray and save it. Pull out the fan tray until the fan baffle plate aligns with the inverter chassis. Figure 8-3 Pulling out fan tray (1) Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 106 Step 4 Remove cable ties from the faulty fan. ● FAN 1 Faulty Figure 8-6 Removing the FAN 1 cable ties ● FAN 2 Faulty Figure 8-7 Removing the FAN 2 cable ties ● FAN 3 Faulty Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 107 Binding positions for fan 1 Figure 8-11 Binding the FAN 1 cables ● Binding positions for fan 2 Figure 8-12 Binding the FAN 2 cables ● Binding positions for fan 3 Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 108 Step 9 Connect the cables correctly according to the cable labels and bind the cables. Figure 8-15 Reconnecting and binding the cables Step 10 Push the fan tray into the slot and tighten the screw. Figure 8-16 Reinstalling the fan tray ----End Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 109: Alarm Reference

    Step 2 Set the DC switches to ON. Step 3 Tighten the caps of the RESET buttons. Figure 8-17 Resetting and Turning On the DC Switch (DC SWITCH 1 is used as an example) ----End Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 110: Handling The Inverter

    9.3 Disposing of the SUN2000 If the SUN2000 service life expires, dispose of it according to the local disposal rules for electrical equipment waste. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 111: Technical Data

    1500 V voltage Maximum input 26 A current (per MPPT) Maximum short- 40 A circuit current (per MPPT) Maximum backfeed current to the PV array Lowest 500 V/550 V operating/startup voltage Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 112 50 Hz/60 Hz 50 Hz/60 Hz grid frequency Maximum output 140.7 A 134.9 A 134.9 A current Power factor 0.8 leading and 0.8 lagging Maximum total < 3% harmonic distortion (rated power) Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 113 (RCMU) Overvoltage PV II/AC III category Display and Communication Technical SUN2000-175KTL SUN2000-185KTL SUN2000-185KTL Specifications -INH0 Display LED indicator, Bluetooth module+app, USB data cable+app, and WLAN module+app RS485 Supported MBUS Supported Supported Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 114 Highest 5000 m (derated when the altitude is greater than 4000 m) operating altitude Humidity 0%–100% RH Input terminal MC4 EVO2 Output terminal Waterproof terminal+OT/DT terminal IP rating IP66 Topology Transformerless Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 115: A Securing Y-Branch Connectors

    Prepare a tray based on the base size of the solar inverter and the cabling of the Y-branch connectors. ● Material: outdoor corrosion-resistant material ● Bearing capacity: ≥ 10 kg Figure A-1 Recommended dimensions Step 1 Install a tray. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 116 Method 2: Using a Beam Prepare a beam based on the base size of the solar inverter and the cabling of the Y-branch connectors. ● Material: outdoor corrosion-resistant material ● Bearing capacity: ≥ 10 kg Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 117 A Securing Y-Branch Connectors Figure A-4 Recommended dimensions Step 1 Install a beam. Figure A-5 Installing a beam Step 2 Bind the Y-branch connectors on the beam. Figure A-6 Binding Y-branch connectors ----End Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 118: B String Access Detection

    In these cases, the user is liable for any loss caused to the PV plant. Step 2 Choose Function Menu > Maintenance > String Access Detection to go to the parameter setting screen. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 119 When the current of a PV string reaches for 2 in 1 Startup current for 2 in 1 detection, the detection PV string is automatically identified as 2 in You are advised to use the default value. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 120 You are advised to retain the default value. If the value is incorrectly set, the PV string access type may be incorrectly identified and alarms may be generated by mistake for the PV string connection status. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 121: C Domain Name List Of Management Systems

    The list is subject to change. Table C-1 Domain names of management systems Domain Name Data Type Scenario intl.fusionsolar.huawei.com Public IP address FusionSolar SmartPVMS NOTE The domain name is compatible with cn.fusionsolar.huawei.com (Chinese mainland). Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 122: D Grid Code

    Chile-MV800 Chile medium-voltage power Supporte grid Mexico-MV800 Mexico power grid Supporte EN50438-TR-MV800 Turkey medium-voltage power Supporte grid TAI-PEA-MV800 Thailand PEA medium-voltage Supporte power grid Philippines-MV800 Philippines medium-voltage Supporte power grid Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 123 IEC 61727- General medium-voltage Supporte Supporte MV800-60HZ power grid Pakistan-MV800 Pakistan medium-voltage Supporte power grid BRASIL-ANEEL-MV800 Brazil medium-voltage power Supporte grid Israel-MV800 Israel power grid Supporte CEI0-16-MV800 Italy medium-voltage power Supporte grid Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 124 Custom-MV800-50Hz Reserved Supporte RD1699/661-MV800 Spain medium-voltage power Supporte grid PO12.3-MV800 Spain medium-voltage power Supporte grid Vietnam-MV800 Vietnam medium-voltage Supporte power grid CHILE-PMGD-MV800 Chile PMGD medium-voltage Supporte power grid (800 V) Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 125 Supporte Supporte MV800 power grid (800 V) Panama-MV800 Panama medium-voltage Supporte power grid (800 V) Macedonia-MV800 North Macedonia medium- Supporte voltage power grid (800 V) SINGAPORE-MV800 Singapore medium-voltage Supporte power grid Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 126 France RTE power grid Supporte AUSTRALIA- Australia power grid Supporte AS4777_A-MV800 UZBEKISTAN-MV800 Uzbekistan power grid Supporte NO TE The grid codes are subject to change. The listed codes are for your reference only. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 127: E Resetting Password

    NO TICE ● SUN2000HA V300R001C00SPC133 and later versions support password reset. ● You are advised to reset the password in the morning or at night when the solar irradiance is low. Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 128: F Contact Information

    To ensure faster and better services, we kindly request your assistance in providing the following information: ● Model ● Serial number (SN) ● Software version ● Alarm ID or name ● Brief description of the fault symptom Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 129 SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1) User Manual F Contact Information NO TE EU Representative Information: Huawei Technologies Hungary Kft. Add.: HU-1133 Budapest, Váci út 116-118., 1. Building, 6. floor. Email: hungary.reception@huawei.com Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 130: G Digital Power Customer Service

    SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1) User Manual G Digital Power Customer Service Digital Power Customer Service https://digitalpower.huawei.com/robotchat/ Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 131: H Acronyms And Abbreviations

    H Acronyms and Abbreviations Acronyms and Abbreviations California Energy Commission Concentrated Photovoltaics technology light emitting diode MBUS monitoring bus maximum power point MPPT maximum power point tracking potential induced degradation photovoltaic Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 132 SUN2000-(175KTL-H0, 185KTL-INH0, 185KTL-H1) User Manual H Acronyms and Abbreviations RCMU residual current monitoring unit WEEE waste electrical and electronic equipment Issue 19 (2023-12-20) Copyright © Huawei Technologies Co., Ltd.

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