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Huawei SUN2000-250KTL Series User Manual
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Huawei SUN2000-250KTL Series User Manual

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SUN2000-(250KTL, 280KTL, 300KTL, 330KTL)
Series
User Manual
Issue
02
Date
2022-12-20
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-250KTL Series

  • Page 1 SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series User Manual Issue Date 2022-12-20 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

    Indicates a potentially hazardous situation which, if not avoided, could result in equipment damage, data loss, performance deterioration, or unanticipated results. NOTICE is used to address practices not related to personal injury. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 4 7.1.2 Downloading and Installing the App. Updated Troubleshooting. Updated 10 Technical Specifications. Updated B Grid Codes. Updated D Contact Information. Issue 01 (2022-10-09) This issue is used for first office application (FOA). Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    5.3 Crimping an OT or DT Terminal............................43 5.4 Installing PE Cables and AC Power Cables........................46 5.5 Installing DC Power Cables............................... 52 5.6 Installing Communications Cables..........................56 6 Power-On Commissioning....................59 Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 9.3 Disposing of the SUN2000..............................87 10 Technical Specifications.....................88 A Domain Name List of Management Systems..............93 B Grid Codes..........................94 C Resetting Password......................102 D Contact Information......................103 E Acronyms and Abbreviations....................105 Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 7: 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 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 8: 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 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 9 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 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 10: 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 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 11 ● Do not open equipment panels. ● Check equipment connections periodically, ensuring that all screws are securely tightened. ● Only qualified professionals can replace a damaged cable. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 12 0°C. Handle cables with caution, especially at a low temperature. – Cables stored at subzero temperatures must be stored at room temperature for at least 24 hours before they are laid out. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Environment Requirements

    ● Do not install or run the equipment beyond the technical specifications. Otherwise, its performance and safety will be compromised. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 14: 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 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 15 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 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 16 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 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 17 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 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 18 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 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 19: Overview

    2 Overview Overview 2.1 Product Models Model Number Description This document involves the following product models: ● SUN2000-250KTL-H1 ● SUN2000-250KTL-H3 ● SUN2000-280KTL-H0 ● SUN2000-300KTL-H0 ● SUN2000-330KTL-H1 ● SUN2000-330KTL-H2 Figure 2-1 Model number Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 20: Product Introduction

    2.2 Product Introduction Function The SUN2000 is a three-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. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 21: Enclosure Labels

    The SUN2000 supports IT power grids. Figure 2-4 Power grid type 2.3 Enclosure Labels Symbol Name Meaning Operation warning Potential hazards exist after the SUN2000 is powered on. Take protective measures when operating the SUN2000. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 22 The power connector of the fan must warning be disconnected before fan replacement. SUN2000 ESN label Indicates the SUN2000 serial number. Weight label The SUN2000 needs to be carried by four persons or using a forklift. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Component Description

    (12) DC input terminal group 2 (PV15–PV28, controlled by DC SWITCH 2) (13) DC switch 2 (DC SWITCH 2) (14) Tracking system power cable hole (15) AC output power cable holes Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 24 User Manual 2 Overview Dimensions Figure 2-6 Dimensions Wiring Area Figure 2-7 Wiring ports (1) DC input terminals (2) RS485 communications port (3) Ground point on the enclosure (4) AC terminal block Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Indicator Status

    PV connection Steady green At least one PV string is properly connected, indicator and the DC input voltage of the corresponding MPPT circuit is higher than or equal to 500 V. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 26 Steady green The local maintenance is successful. maintenanc Blinking Local maintenance failed. e state green fast Blinking The device is under local maintenance or green slowly shut down after receiving a command. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Working Principles

    The DC power is converted into three-phase AC power through an inverter circuit. Surge protection is supported on both the DC and AC sides. Figure 2-9 Schematic diagram 2.5.2 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 28 ● 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 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 29: 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 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 30 Figure 3-2 Maximum number of pile-up layers allowed ● If the solar inverter has been stored for more than two years, it must be checked and tested by professionals before being put into use. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Installation

    Packing List in the packing case. For details about the number of contents, see the 4.2 Preparing Tools Table 4-1 Personal protective equipment (PPE) Safety helmet Goggles Protective shoes Reflective vest Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 32 Flat-head Phillips insulated Insulated torque Torx key insulated torque torque socket wrench screwdriver screwdriver (M4/M10/M12, (M3) (M3/M4) including an extended socket) Hammer drill Hammer drill bit Utility knife Marker (Ф14 mm) Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 33 Heat gun H4STC0001 H4TW0001 (AMPHENOL) or (AMPHENOL) or CT75A-FJB10 CT75A-FJB7 (AVIC (AVIC JONHON) JONHON) Table 4-5 Measurement instruments Clamp meter Steel measuring Level Multimeter tape DC voltage measurement range ≥ 1500 V Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Determining The Installation Position

    You are advised to install the inverter in a sheltered place or install an awning over it. ● 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 Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 35 Do not install the SUN2000 on flammable building materials. ● Do not install the SUN2000 on a mounting structure that may generate resonance. ● Ensure that the installation surface is solid enough to bear the weight of the SUN2000. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 36 Do not install the SUN2000 at forward tilted, excessive back tilted, side tilted, horizontal, or upside down positions. Figure 4-3 Installation angle Clearance Reserve sufficient clearance around the SUN2000 for installation and heat dissipation. Figure 4-4 Clearance Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 37 Figure 4-5 Horizontal installation mode (recommended) Figure 4-6 Triangle installation mode (not recommended) (1) Air baffle NO TE Stacked installation is not allowed. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 38 Figure 4-8 Recommended air baffle dimensions Preinstall the air baffle on the mounting bracket and then install the mounting bracket with the air baffle on the wall support. Figure 4-9 Installing an air baffle Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 39: Installing The Mounting Bracket

    ● M12x40 bolt assemblies are delivered with the SUN2000 and bound to the mounting bracket. If the bolt length does not meet the installation requirements, prepare M12 bolt assemblies by yourself and use them together with the delivered M12 nuts. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 40: Installing The Sun2000

    ● When you need to temporally place the SUN2000 on the ground, use foam, cardboard, or other protection material to prevent damage to its enclosure. Figure 4-13 Moving a SUN2000 Step 2 Secure the SUN2000. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 41 SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series User Manual 4 Installation Figure 4-14 Securing a SUN2000 NO TE If the installation position is high, you can hoist the SUN2000. Figure 4-15 Hoisting ----End Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 42: Installing Cables

    CA UTION ● Stay away from the equipment when preparing cables to prevent cable scraps from entering the equipment. Cable scraps may cause sparks and result in personal injury and equipment damage. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 43: Preparing Cables

    (industrial environment). Figure 5-1 MBUS networking application (without a SmartMBUS CCO) (A) PV strings (B) SUN2000s (C) AC combiner box (D) Transformer station (E) Power grid (F) SmartLogger (G) Management system Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 44 Figure 5-3 MBUS network application (dual-split transformer+SmartMBUS CCO) (A) PV strings (B) SUN2000s (C) AC combiner box (D) SmartMBUS CCO01B (E) SmartLogger (F) Transformer station (G) Power grid (H) Management system Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 45 400 m. (When the SmartMBUS CCO01B is configured, the maximum single- core cable communication distance is 750 m, and the distance between the CCO and the busbar sampling cable of the transformer station cannot exceed 3 Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 46 SUN2000 cascaded over RS485. customer SmartLogger The SUN2000 communicates with the management Purchased system through the SmartLogger. from the Company Tracking system The angle of trackers can be adjusted. Prepared by customer Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 47 PE cable) Cable Type Conductor Outer Source Cross-Sectional Diameter Area DC input PV cable that meets 5–7.8 mm Prepared by 4–6 mm power cable the 1500 V standard customer Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 48 Single-core outdoor – S: 95–150 (single-core) cable and M12 OT/DT customer terminal – S ≥ S/2 ● Aluminum alloy cable or copper-clad aluminum cable: – S: 150–400 – S ≥ S/2 Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 49: 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-to-aluminum wiring terminals, or aluminum wiring terminals with copper-to-aluminum washers. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 ● Ensure that the aluminum side of the washer contacts the aluminum wiring terminal, and the copper side contacts the terminal block. Figure 5-6 Requirements for OT/DT terminals Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 51 ● Use a heat gun carefully to avoid heat damage to the equipment. Figure 5-7 Crimping an OT terminal (1) Cable (2) Core (3) Heat-shrink tubing (4) OT terminal (5) Hydraulic pliers (6) Heat gun Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 52: Installing Pe Cables And Ac Power Cables

    The SUN2000 is integrated with a comprehensive residual current detection unit to distinguish fault current from residual current. Upon detecting that the residual current exceeds the threshold, the SUN2000 immediately disconnects from the power grid. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 53 ● If an AC switch is used with specifications beyond local standards, regulations, or Huawei's recommendations, the switch may fail to turn off in a timely manner in case of exceptions, causing serious faults. ● Do not open the panel of the SUN2000.
  • Page 54 Figure 5-9 Connecting a PE cable to the ground point (on the enclosure) Step 2 Open the maintenance compartment door and install the support strut. Remove the accessories and set them aside. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 55 Reserve sufficient slack for the PE cable to ensure that the last cable bearing the force is the PE cable when the AC output power cable is subject to a pulling force due to force majeure. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 56 Figure 5-13 Multi-core cable connection (using a three-core cable as an example) Step 4 If the system is configured with a tracking system, connect the power cable of the tracking system. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 57 Step 5 Clear foreign matter from the maintenance compartment, close the maintenance compartment door, and check that the cable holes at the bottom of the maintenance compartment are sealed. Figure 5-15 Closing a door ----End Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 58: Installing Dc Power Cables

    ● It is recommended that the positive and negative cables of PV strings be routed in different pipes to prevent short circuits and arcs due to cable damage during construction. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 It is recommended that DC input terminals be evenly distributed on MPPTs. For example, if there are 18 to 27 PV strings, you are advised to connect DC input terminals as follows: Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 60 PV22, and PV24–PV27. Connect to PV1–PV13, PV15– Connect to PV1–PV17, PV19– PV17, PV19–PV22, and PV24– PV22, and PV24–PV27. PV27. Connect to PV1–PV17, PV19– Connect to PV1–PV22 and PV22, and PV24–PV28. PV24–PV28. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 61 ● Ensure that the connectors are properly connected. If any connector damage due to improper connection is not covered by the warranty. Step 1 Connect DC input power cables. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 62: Installing Communications Cables

    PV connectors must not exceed 80 N. Radial stress or torque must not be generated on PV connectors. ----End 5.6 Installing Communications Cables Precautions When routing communications cables, separate communications cables from power cables to prevent communication from being affected. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 63 PE, shield layer PE, shield layer grounding grounding RS485-2 RS485A, RS485 RS485B, RS485 Used to connect an differential signal+ differential signal– RS485 slave device. Procedure Step 1 Connect the RS485 communications cables. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 5 Installing Cables Figure 5-20 Connecting communications cables NO TICE Use a plug to block the unused cable hole with the waterproof rubber ring, and then tighten the locking cap. ----End Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 65: Power-On Commissioning

    ● After the check, ensure that the maintenance compartment door is closed and the screws on the door are tightened. DC power cable DC power cables are connected correctly and securely. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 66: System Power-On

    Otherwise, the DC switches cannot automatically turn off. ● If you perform Step 3 before Step 2, the SUN2000 reports a fault about unexpected shutdown. You can start the SUN2000 only after the fault is automatically rectified. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 Step 6 Set the parameters on the app or SmartLogger. For details, see 7.1 Operations with the App or the SmartLogger user manual. Figure 6-1 Power-on ----End Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 68: Man-Machine Interactions

    ● The USB 2.0 port is supported. Use the USB data cable delivered with the phone. ● The mobile phone operating system must be Android 4.0 or later. ● Huawei and Samsung phones are recommended. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 69: Downloading And Installing The App

    ● The parameter names, value ranges, and default values are subject to change. 7.1.2 Downloading and Installing the App ● FusionSolar app: Access Huawei AppGallery and search for FusionSolar (https://appgallery.huawei.com/app/C102851109), or scan the corresponding QR code below. ● SUN2000 app: Access Huawei AppGallery and search for SUN2000 (https:// appgallery.huawei.com/app/C10279542), or scan the corresponding QR...

  • Page 70: Logging In To The App

    Open the app and select a connection mode. NO TE ● Download the latest app version (6.23.00.125 or later) from Huawei AppGallery. ● When the WLAN connection is used, scan the QR code of the WLAN module to access the login screen.
  • Page 71 SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series User Manual 7 Man-Machine Interactions Figure 7-4 Selecting a connection mode (Internet access available) Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 72 SUN2000 app and access the operation screen to select a connection mode. Figure 7-6 Selecting a connection mode Select a login user and enter the login password to access the quick settings screen or the main menu screen. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 73: Upgrading The Sun2000 Using A Usb Flash Drive

    NO TE Delete the script file immediately after use to reduce information disclosure risks. Procedure Step 1 Download the required software upgrade package from the technical support website. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 74 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 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 75: System Maintenance

    Step 3 Set the two DC SWITCH to OFF. ----End 8.2 Power-Off for Maintenance Context To prevent personal injury and equipment damage, perform the following procedure to power off the SUN2000 for troubleshooting or replacement. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 76 ● If the SUN2000 does not emit abnormal smell or smoke and is intact, repair or restart it based on the alarm handling suggestions. Do not stand in front of the SUN2000 during the restart. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 77: Routine Maintenance

    3 to 6 months vent and clean the dust. based on the actual dust conditions in the environment) The fans do not produce abnormal Once every 6 to 12 sounds during operation. months Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 Figure 8-2 Removing the baffle of the air intake vent NO TICE After the cleaning is complete, reinstall the baffle plate. Tighten the M4 screws with a torque of 1.2 N·m. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 79: Replacing A Fan

    Place down the handle. Unscrew the connectors. Disconnect the cables. Pull out the fan tray. Figure 8-3 Pulling out the fan tray Step 2 Remove the cable ties from the faulty fan. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 80 (4) Remove the cable ties from FAN 4. Step 3 Remove the faulty fan. Figure 8-5 Removing a fan (using FAN 1 as an example) Step 4 Install a new fan. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 81 Clean the fan tray and ensure that no foreign matter is left. Align the fan tray with the installation position. Push in the fan tray until the fan baffle plate is flush with the SUN2000 enclosure. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 82: Troubleshooting

    Minor alarm: Some components of the inverter are faulty but the inverter can still connect to the grid and generate power. ● Warning: The inverter works properly. The output power decreases or some authorization functions fail due to external factors. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 83 1. Turn on the ONE-OFF SWITCH manually. 2. Turn on all DC SWITCH manually. 3. Turn off the ONE-OFF SWITCH manually. 4. If the fault persists, contact your dealer or technical support. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 84 2. If yes, check whether the PV string for a long time. is shaded. ● The PV string has aged 3. If the PV string is clean and not abnormally. shaded, check whether any PV module is faulty. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 85 PE, locate the position with The phase wire is short- Short- low impedance, and rectify the fault. circuited to PE or its Circuited impedance to PE is low. to PE Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 86 3. Check whether the peak voltage of the power grid is too high. If the fault occurs frequently and persists for a long time, contact the local power operator. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 87 If not, contact the local power operator. If yes, modify the power grid overfrequency protection threshold after obtaining the consent of the local power operator. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 88 The DC component in the After the fault is rectified, the AC current exceeds the Overhig device automatically recovers. upper threshold. 2. If the alarm occurs frequently, contact your dealer or technical support. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 89 Cause ID = 1–4, 7 1. Perform an upgrade again. Failed or The upgrade ends 2. If the upgrade fails for multiple Version abnormally. times, contact your dealer or Mismatc technical support. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 90 ON position, press the reset buttons of all DC switches inwards until they cannot go further, and then turn on the DC switches again. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 91 5. If the preceding items are normal, turn on the AC switch and DC switch, and restart the device. If the fault persists, contact your dealer or technical support. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 92: Resetting And Turning On The Dc Switch

    DC SWITCH. Procedure Step 1 Set the DC SWITCH to OFF. Step 2 Set the DC SWITCH to ON. ----End Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 93: 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 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 94: Technical Specifications

    SUN200 SUN200 SUN200 SUN200 SUN200 0-250KT 0-280KT 0-300KT 0-330KT 0-330KT 0-250KT L-H3 L-H0 L-H0 L-H1 L-H2 L-H1 Maximu 1500 V m input voltage Maximu 65 A m input current (per MPPT) Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 275 kVA 308 kVA 330 kVA 330 kVA 330 kVA 275 kVA apparent power Maximu 275 kW 308 kW 330 kW 330 kW 330 kW 275 kW m active power (cosφ = Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 96 Item SUN200 SUN200 SUN200 SUN200 SUN200 SUN200 0-250KT 0-280KT 0-300KT 0-330KT 0-330KT 0-250KT L-H3 L-H0 L-H0 L-H1 L-H2 L-H1 Input DC Supported switch Anti- Supported islanding protectio Output Supported overcurre protectio Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 97 Display and Communication Item SUN200 SUN200 SUN200 SUN200 SUN200 SUN200 0-250KT 0-280KT 0-300KT 0-330KT 0-330KT 0-250KT L-H3 L-H0 L-H0 L-H1 L-H2 L-H1 Display LED indicators RS485 Supported MBUS Supported Supported WLAN Supported +App Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 98 5000 m (derated when the altitude is greater than 4000 m) operating altitude Relative 0%–100% RH humidity Input CT75A-1T-34/CT75A-1T-35 (AVIC HH4SFD4TMS/HH4SMD4TMS terminal JONHON) Output Waterproof terminal+OT/DT terminal terminal IP rating IP66 Self- 4.8 W consump tion at night (sleep mode) Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 99: A Domain Name List Of Management Systems

    The list is subject to change. Table A-1 Domain names of management systems Domain Name Data Type Scenario intl.fusionsolar.huawei.co Public IP address FusionSolar hosting cloud NOTE The domain name is compatible with cn.fusionsolar.huawei.com (Chinese mainland). Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 100: B Grid Codes

    Brazil Support 16149- medium MV800 -voltage power grid BRASIL- Brazil Support ANEEL- power MV800 grid KOREA- South Support MV800 Korea power grid TAIPOWER- Taiwan Support MV800 Power medium -voltage power grid Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 101 Support MV800 power grid Malaysian- Malaysia Support MV800 power grid Bangladesh- Banglad Support MV800 power grid Vietnam- Vietnam Support MV800 medium -voltage power grid Cambodia- Cambodi Support MV800 a power grid Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 102 Support power grid EN50438_IE- Ireland Support MV800 power grid EN50549- Ireland Support MV800 power grid IRELAND- Ireland Support EN50549- power MV800 grid Northern Norther Support Ireland- n Ireland MV800 power grid Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 103 POLAND- Poland Support EN50549- power MV800 grid CZECH- Czech Support EN50549- Republic MV800 power grid EN50438-TR- Turkey Support MV800 power grid Macedonia- Republic Support MV800 of North Macedo power grid Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 104 -voltage power grid Nicaragua- Nicarag Support MV800 power grid Panama- Panama Support MV800 power grid SAUDI- Saudi Support MV800 Arabia power grid LEBANON- Lebanon Support MV800 medium -voltage power grid Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 105 Jordan- Jordan Support Transmission- high- HV800 voltage power grid Egypt ETEC- Egypt Support MV800 power grid KENYA_ETHI Kenya Support OPIA-MV800 low- voltage power grid and Ethiopia medium -voltage power grid Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 106 Ethiopia medium -voltage power grid NAMIBIA_MV Namibia Support power grid Cameroon- Camero Support MV800 medium -voltage power grid Ghana- Ghana Support MV800 medium -voltage power grid Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 107 KAZAKHSTAN Kazakhs Support -MV800 power grid Mauritius- Mauritiu Support MV800 s power grid NO TE The grid codes are subject to change. The listed codes are for reference only. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 108: C Resetting Password

    10 minutes, all parameters of the inverter remain unchanged.) ----End NO TICE You are advised to reset the password in the morning or at night when the solar irradiance is low. Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 109: D Contact Information

    Asia- Australia eu_inverter_support@huaw 1800046639 Pacific ei.com Turkey eu_inverter_support@huaw ei.com Malaysia apsupport@huawei.com 0080021686868 /1800220036 Thailand (+66) 26542662 (local rate call) 1800290055 (free in Thailand) China solarservice@huawei.com 400-822-9999 Other apsupport@huawei.com 0060-3-21686868 countries Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 110 Saudi Arabia 8001161177 Pakistan 0092512800019 Morocco 0800009900 Other 0020235353900 countries 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 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 111: E Acronyms And Abbreviations

    User Manual E Acronyms and Abbreviations Acronyms and Abbreviations light emitting diode MBUS monitoring bus maximum power point MPPT maximum power point tracking potential induced degradation photovoltaic RCMU residual current monitoring unit Issue 02 (2022-12-20) Copyright © Huawei Technologies Co., Ltd.

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