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Huawei SUN2000-50KTL-ZHM3 User Manual
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Huawei SUN2000-50KTL-ZHM3 User Manual

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SUN2000-(50KTL-ZHM3, 50KTL-M3)
User Manual
Issue
03
Date
2022-08-30
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-50KTL-ZHM3

  • Page 1 SUN2000-(50KTL-ZHM3, 50KTL-M3) User Manual Issue Date 2022-08-30 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 SUN2000-50KTL-ZHM3 and SUN2000-50KTL-M3 (also referred to as SUN2000) in terms of their installation, electrical connections, commissioning, maintenance, and troubleshooting. Before installing and operating the SUN2000, ensure that you are familiar with the features, functions, and safety precautions provided in this document.
  • Page 4 Cables. Updated 5.4 Connecting the AC Output Power Cable. Updated 5.5 Installing the DC Input Power Cable. Updated 10 Technical Specifications. Issue 01 (2022-05-20) This issue is the first official release. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    4.5.2 Wall-mounted Installation............................. 24 4.6 Installing a SUN2000................................25 5 Electrical Connections......................27 5.1 Precautions....................................27 5.2 Preparing Cables................................... 28 5.3 Connecting the PE Cable..............................30 5.4 Connecting the AC Output Power Cable........................32 Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 A Grid Codes..........................85 B Device Commissioning......................90 C Built-in PID Recovery......................93 D Resetting Password......................94 E Setting Dry Contact Scheduling Parameters..............95 F AFCI............................96 G Rapid Shutdown........................98 H NS Protection.........................99 Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 7 SUN2000-(50KTL-ZHM3, 50KTL-M3) User Manual Contents I Smart I-V Curve Diagnosis....................100 J Contact Information......................101 K Acronyms and Abbreviations................... 103 Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 8: Safety Information

    The "NOTICE", "CAUTION", "WARNING", and "DANGER" statements in this document do not cover all the safety instructions. They are only supplements to the safety instructions. Huawei will not be liable for any consequence caused by the violation of general safety requirements or design, production, and usage safety standards.

  • Page 9: Personnel Requirements

    Do not touch the energized equipment, as the enclosure is hot. 1.2 Personnel Requirements ● Personnel who plan to install or maintain Huawei equipment must receive thorough training, understand all necessary safety precautions, and be able to correctly perform all operations.

  • Page 10: Electrical Safety

    Obtain approval from the local electric utility company before using the equipment in grid-tied mode. ● Ensure that the cables you prepared meet local regulations. ● Use dedicated insulated tools when performing high-voltage operations. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 11: Installation Environment Requirements

    Do not overload it. ● Ensure that the wider end of the ladder is at the bottom, or protective measures have been taken at the bottom to prevent the ladder from sliding. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 12 Moving Heavy Objects ● Be cautious to avoid injury when moving heavy objects. ● When moving the equipment by hand, wear protective gloves to prevent injuries. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Commissioning

    If the equipment is faulty, contact your dealer. ● The equipment can be powered on only after all faults are rectified. Failing to do so may escalate faults or damage the equipment. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 14: Overview

    Figure 2-1 Model description Table 2-1 Model description Meaning Value Series name SUN2000: three-phase grid-tied PV string inverter Power class 50K: rated power of 50 kW Topology TL: transformerless Region ZH: China Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 15 (3) AC power distribution unit (4) Isolation transformer (5) Power grid Supported Power Grid Types The SUN2000 supports TN-S, TN-C, TN-C-S, TT, and IT power grids. Figure 2-3 Power grid types Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 16: Appearance

    (5) Hole for the DC switch locking (6) DC switch (DC SWITCH) screw (7) Smart Dongle port (4G/WLAN-FE) (8) DC input terminals (PV1–PV8) (9) Ventilation valve (10) AC output port (11) Ground point (12) Fan Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Label Description

    SUN2000, ensure that the SUN2000 is properly grounded. Refer to Reminds operators to documentation refer to the documents delivered with the SUN2000. Grounding label Indicates the position for connecting the PE cable. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 18 Indicator Indicates the SUN2000 operating information. SUN2000 serial Indicates the serial number number. SUN2000 WiFi login Scan the QR code to QR code connect to the Huawei SUN2000 WiFi network. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 19: Working Principles

    Surge protection is supported on both the DC and AC sides. Figure 2-5 Schematic diagram 2.4.2 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Figure 2-6 Working modes Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 20 ● 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 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 21: Sun2000 Storage

    If any rodent bites are found on the packing materials, replace the packing materials immediately. ● If the SUN2000 has been stored for more than two years, it must be checked and tested by professionals before being put into use. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 22: Installation

    After unpacking the inverter, check that the contents are intact and complete. If any damage is found or any component is missing, contact your supplier. NO TE Packing List in the packing case. For details about the number of contents, see the Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Tool Preparation

    Torque wrench Torque screwdriver wrench Hammer drill Drill bit Rubber mallet Open-end wrench Utility knife Marker H4TW0001 (Amphenol) Cable cutter Wire stripper Diagonal pliers Crimping tool Hydraulic pliers Heat gun H4TC0003 (Amphenol) Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 24: Selecting An Installation Position

    If inverters are installed in a place with abundant vegetation, in addition to routine weeding, harden the ground underneath the inverters using cement or gravel (recommended area: 3 m x 2.5 m). Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 25 Install the SUN2000 vertically or at a maximum back tilt of 15 degrees to facilitate heat dissipation. ● Do not install the SUN2000 with a front tilt, excessive back tilt, side tilt, horizontally, or upside down. Figure 4-1 Installation angle Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 26 When installing multiple SUN2000s, install them in horizontal mode if ample space is available and install them in triangle mode if no ample space is available. Stacked installation is not recommended. Figure 4-3 Horizontal installation (recommended) Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 27 SUN2000-(50KTL-ZHM3, 50KTL-M3) User Manual 4 Installation Figure 4-4 Two-layer triangle installation (recommended) Figure 4-5 Three-layer triangle installation (not recommended) Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 28: Moving The Sun2000

    The installation diagrams are for reference only and are irrelevant to the SUN2000 cascading scenario. 4.4 Moving the SUN2000 Procedure Step 1 Lift the SUN2000 from the packing case and move it to the specified installation position. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Installing The Mounting Bracket

    ----End 4.5 Installing the Mounting Bracket Installation Precautions Before installing the mounting bracket, remove the security Torx wrench and set it aside. Figure 4-9 Position for binding the security Torx wrench Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 30: Support-Mounted Installation

    SUN2000. Figure 4-10 Mounting bracket dimensions 4.5.1 Support-mounted Installation Procedure Step 1 Secure the mounting bracket. Figure 4-11 Securing the mounting bracket Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Wall-Mounted Installation

    ● Level the front of the expansion sleeve with the concrete wall after removing the bolt, spring washer, and flat washer. Otherwise, the mounting bracket will not be securely installed on the concrete wall. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 32: Installing A Sun2000

    ● For models used in Australia, install the DC switch locking screw according to local standards. The DC switch locking screw is delivered with the SUN2000. Figure 4-14 Installing the locking screw for the DC switch Step 2 Install the SUN2000 onto the mounting bracket. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 33 Figure 4-15 Installing a SUN2000 Step 3 Tighten the nuts on both sides of the SUN2000. Figure 4-16 Tightening the nut NO TICE Secure the screws on the sides before connecting cables. ----End Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Electrical Connections

    The cable colors shown in the electrical connection diagrams provided in this chapter are for reference only. Select cables in accordance with local cable specifications (green-and- yellow cables are only used for grounding). Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Preparing Cables

    Huawei recommends the following switch specifications: Recommended: a three-phase AC circuit breaker with a rated voltage greater than or equal to 500 V AC and a rated current of 125 A. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 36 ● Conductor cross- Prepare output aluminum-core cable sectional area: 25– d by power users 50 mm outdoor cable copper-core cable or 35–50 mm outdoor aluminum- core cable ● Cable outer diameter: 16–38 Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 37: Connecting The Pe Cable

    ● Wrap the wire crimping area with heat shrink tubing or PVC insulation tape. The heat shrink tubing is used as an example. ● When using a heat gun, protect devices from being scorched. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 38 (2) Core (3) Heat shrink tubing (4) OT terminal (5) Crimping tool (6) Heat gun Step 2 Connect the PE cable. Figure 5-3 Connecting the PE cable (1) Reserved PE point ----End Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 39: Connecting The Ac Output Power Cable

    Otherwise, the switch may trip by mistake. ● 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.
  • Page 40 AC terminal block. Figure 5-4 Requirements for the OT/DT terminal Procedure Step 1 Remove the AC terminal box and install partition boards. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 41 ● The cable colors in figures are for reference only. Select appropriate cables according to the local standards. Figure 5-6 Stripping the AC power cable (using a five-core cable as an example) Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 42 SUN2000-(50KTL-ZHM3, 50KTL-M3) User Manual 5 Electrical Connections Figure 5-7 Five-core cable (L1, L2, L3, N, and PE) Figure 5-8 Four-core cable (L1, L2, L3, and PE) Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 43 SUN2000-(50KTL-ZHM3, 50KTL-M3) User Manual 5 Electrical Connections Figure 5-9 Four-core cable (L1, L2, L3, and N) Figure 5-10 Three-core cable (L1, L2, and L3) Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 44: Installing The Dc Input Power Cable

    ● If no PV string connects to a DC input terminal of the SUN2000, do not remove the watertight cap from the DC input terminals. Otherwise, the IP rating of the SUN2000 will be affected. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 45 Distribute the DC input power cables evenly over four MPPT circuits, and connect them preferentially through MPPT1 and MPPT4. Maximize the number of connected MPPT circuits. Number Terminal Selection Number Terminal Selection of PV of PV Strings Strings PV1 and PV7 Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 46 ● Before assembling DC connectors, label the cable polarities correctly to ensure correct cable connections. ● After the positive and negative connectors snap into place, pull the DC input cables back to ensure that they are connected securely. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 47: Optional) Installing The Smart Dongle

    PV connectors must not exceed 80 N. Radial stress or torque must not be generated on PV connectors. ----End 5.6 (Optional) Installing the Smart Dongle Procedure NO TE The Smart Dongle is not provided in standard configuration. ● 4G Smart Dongle Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 48 Figure 5-14 Installing a 4G Smart Dongle ● WLAN-FE Smart Dongle (WLAN Communication) Figure 5-15 Installing a WLAN-FE Smart Dongle (WLAN communication) ● WLAN-FE Smart Dongle (FE Communication) Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 49: Connecting The Signal Cable

    The quick guide is delivered with the Smart Dongle. 5.7 Connecting the Signal Cable COM Port Pin Definitions NO TICE When laying out a signal cable, separate it from power cables to avoid strong signal interference. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 485B2 RS485 DIN2 power meter at differential the grid-tied signal – point. DIN3 DIN4 DIN5 Supports protection/ functions such OVGR as NS protection, and OVGR. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 51: Communication Modes

    SUN2000 to improve the waterproof performance of the SUN2000. Figure 5-18 Securing the signal cable connector 5.7.1 Communication Modes RS485 Communication ● Smart Dongle networking Figure 5-19 Smart Dongle networking Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 ● The built-in MBUS module in the SUN2000 does not need to be connected with cables. ● In utility-scale scenarios, an isolation transformer must be connected between inverters and loads. ● Commercial and industrial scenarios are supported only in China. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 53: Optional) Connecting The Rs485 Communications Cable To The Sun2000

    Figure 5-22 MBUS communication (commercial and industrial scenarios in China) 5.7.2 (Optional) Connecting the RS485 Communications Cable to the SUN2000 Procedure Step 1 Connect the signal cable to the signal cable connector. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 54: Optional) Connecting The Rs485 Communications Cable To The Power Meter

    Figure 5-24 Securing the signal cable connector ----End 5.7.3 (Optional) Connecting the RS485 Communications Cable to the Power Meter Procedure Step 1 Connect the signal cable to the signal cable connector. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 55: Optional) Connecting The Power Grid Scheduling Signal Cable

    Step 2 Connect the signal cable connector to the COM port. Figure 5-26 Securing the signal cable connector ----End 5.7.4 (Optional) Connecting the Power Grid Scheduling Signal Cable Procedure Step 1 Connect the signal cable to the signal cable connector. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 56 SUN2000-(50KTL-ZHM3, 50KTL-M3) User Manual 5 Electrical Connections Figure 5-27 Connecting the cable Step 2 Connect the signal cable connector to the COM port. Figure 5-28 Securing the signal cable connector ----End Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 57: Commissioning

    Unused terminals and ports Unused terminals and ports are locked by watertight caps. Installation environment The installation space is proper, and the installation environment is clean and tidy. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 58: System Power-On

    Steady green Steady green The SUN2000 is operating in grid- tied mode. Blinking green The DC is on and slowly (on for 1s the AC is off. and off for 1s) Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 Blinking green slowly (on for 1s and off A mobile phone is for 1s) connected. No communication Note: If LED1, LED2, and LED3 are steady red, the SUN2000 is faulty and needs to be replaced. ----End Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 60: Man-Machine Interaction

    SUN2000 app can be used for commissioning. ● Access the Huawei app store (http://appstore.huawei.com), search for FusionSolar or SUN2000, and download the app installation package. You can also scan the QR codes below to download the apps.

  • Page 61: Scenario In Which Sun2000S Are Connected To The Fusionsolar Smart Pv Management System

    Figure 7-1 Creating the first installer account NO TICE To create multiple installer accounts for a company, log in to the FusionSolar app and tap Add User to create an installer account. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 62: Creating A Pv Plant And A User

    FusionSolar App Quick ● For details about how to use the site deployment wizard, see Guide 7.1.3 SmartLogger Networking Scenario PV Plants Connecting to Huawei Hosting Cloud Quick Guide For details, see (Inverters + SmartLogger3000), PV Plants Connecting to SmartPVMS Quick...

  • Page 63: Scenario In Which Sun2000S Are Connected To Other Management Systems

    Limits or reduces the output power of the PV power system to ensure that the output power is within the specified range. Procedure Step 1 On the home screen, choose Power adjustment > Grid-tied point control. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 If the Smart Dongle does not detect any fail-safe meter data or the communication between the Smart Dongle and the SUN2000 is disconnected, the Smart Dongle delivers the derating value of the SUN2000 active power by percentage. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 65 If the Smart Dongle does not detect any power fail-safe meter data or the communication between the Smart Dongle and the inverter is disconnected, the Smart Dongle delivers the derating value of the inverter active power by percentage. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 66 Enable, the inverter will derate according to the disconnection active power derating percentage when the fail-safe communication between the inverter and the Smart Dongle is disconnected for a period longer than Communication disconnection detection time. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 67: Apparent Power Control On The Inverter Output Side

    Note 1: This parameter is supported only for the AS4777 grid code. ----End 7.3.2 Apparent Power Control on the Inverter Output Side On the home screen, tap Settings > Power adjustment to set inverter parameters. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 68 NO TE The lower threshold for the maximum apparent power is the maximum active power. To lower the maximum apparent power, lower the maximum active power first. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 69: Maintenance

    Step 3 Turn off the DC switch at the bottom of the SUN2000. Step 4 (Optional) Install the locking screw for the DC switch. Figure 8-1 Installing the locking screw for the DC switch Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 70: Routine Maintenance

    6 months after the initial commissioning. From then on, the interval can be 6 to 12 months. Air tightness Check that all terminals and ports are Once a year properly sealed. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 71: Troubleshooting

    ● Cause ID 1: PV strings 1 and 2 ● Cause ID 2: PV strings 3 and 4 ● Cause ID 3: PV strings 5 and 6 ● Cause ID 4: PV strings 7 and 8 Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 72 PV modules in the PV string. 2. Check whether the open- circuit voltage of the PV string is abnormal. 3. Check whether the PV string is shaded. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 73 SmartLogger, or NMS with the consent of the local power operator. 3. If the alarm persists for a long time, check the AC circuit breaker and AC output power cable. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 74 4. If the AC output power cable is correctly connected, yet the alarm persists and affects the energy yield of the PV plant, contact the local power operator. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 If not, contact the local power operator. If yes, modify the grid underfrequency protection threshold through the app, SmartLogger, or NMS with the consent of the local power operator. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 76 2. If the alarm persists or lasts a long time, check whether the impedance between the PV string and ground is too low. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 77 3. If you have confirmed that the impedance is lower than the specified protection threshold in a cloudy or rainy environment, log in to the app, SmartLogger, or NMS and set Insulation resistance protection threshold. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 Cause ID = 1 1. Apply for a new license. expired ● The privilege license has 2. Load a new certificate. entered the grace period. ● The privilege feature is about to expire. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 79 3. Check whether the peak grid voltage exceeds the upper threshold. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 80 2. Reinstall the fan, turn on the DC switch, and wait for the inverter to start. If the alarm persists after 15 minutes, replace the external fan. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 81: Replacing A Fan

    NO TE Contact your dealer or Huawei technical support if all troubleshooting procedures listed above are completed and the fault still exists. 8.4 Replacing a Fan CA UTION ●...
  • Page 82 When binding the cable, you are advised to reserve 80 mm at one end of the terminal, fold the rest of the cable and bind it in the middle using a cable tie, and then bind the cable to the cable bridge. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 83 SUN2000-(50KTL-ZHM3, 50KTL-M3) User Manual 8 Maintenance Figure 8-4 Binding a cable ----End Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 84: 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 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 85: Technical Specifications

    Maximum input 20 A (one PV string)/30 A (one MPPT) current per string Maximum short- 40 A circuit current per MPPT Minimum startup 200 V voltage MPP voltage 200–1000 V range Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 86 See standards about the local power grid. voltage at long- term operation Rated output 76.0 A/380 V current 72.2 A/400 V 60.1 A/480 V Maximum output 84.0 A/380 V current 79.8 A/400 V 66.5 A/480 V Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 87 Input reverse Supported connection protection PV string fault Supported detection DC surge Type II protection AC surge Type II protection Insulation Supported resistance detection Residual current Supported monitoring unit (RCMU) Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 88 Net weight 48 kg Operating –25°C to +60°C temperature Relative humidity 0%–100% Cooling mode Smart air cooling Maximum 4000 m operating altitude Storage –40°C to +70°C temperature IP rating IP66 Topology Transformerless Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 89 ● Supports digital audio. SDongleA-03-EU: ● Supports LTE-FDD (with receive diversity): B1/B3/B7/B8/B20/B28. ● Supports LTE-FDD (with receive diversity): B38/B40/B41. ● Supports WCDMA: B1/B8. ● Supports GSM: 900 MHz/1800 MHz. ● Supports digital audio. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 90 ● Supports GMSK and 8-PSK modulation and coding schemes. ● Downlink coding format: MCS 1–9 ● Uplink coding format: MCS 1–9 ● Maximum downlink rate: 236.8 kbit/s; maximum uplink rate: 236.8 kbit/s Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 91 ● Class E2 (26 dBm±3 dB), DCS1800 8- ● Class 3 (24 dBm+1/–3 dB), WCDMA frequency band ● Class 3 (23 dBm±2 dB), LTE-FDD frequency band ● Class 3 (23 dBm±2 dB), LTE-TDD frequency band Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 92: A Grid Codes

    VDE 0126-1-1-GR(A) Greece mainland Supported power grid VDE 0126-1-1-GR(B) Greece island power Supported grid VDE-AR-N4110 Germany medium- Supported voltage power grid (230 V) BDEW-MV Germany medium- Supported voltage power grid Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 93 France island power Supported grid TAI-PEA-MV480 Thailand medium- Supported voltage grid-tied (PEA) TAI-MEA-MV480 Thailand medium- Supported voltage grid-tied (MEA) EN50438-DK-MV480 Denmark medium- Supported voltage grid-tied EN50438-TR-MV480 Turkey medium- Supported voltage power grid Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 94 PO12.3 Spain low-voltage Supported power grid CEI0-21-MV480 Italy medium-voltage Supported power grid EN50549-LV Ireland power grid Supported EN50549-MV480 Ireland medium- Supported voltage power grid Jordan-Transmission Jordan low-voltage Supported power grid Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 Singapore low-voltage Supported power grid SINGAPORE-MV480 Singapore medium- Supported voltage power grid C10/11-MV400 Belgium medium- Supported voltage power grid EN50549-PL Poland power grid Supported EN50549-MV400 Ireland new standard Supported power grid Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 96 Supported LV127 power grid Mexico-LV220 Mexico low-voltage Supported power grid Philippines-LV220-50Hz Philippines low-voltage Supported power grid (50 Hz) Philippines-LV220-60Hz Philippines low-voltage Supported power grid (60 Hz) Pakistan Pakistan power grid Supported Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 97: B Device Commissioning

    SUN2000-(50KTL-ZHM3, 50KTL-M3) User Manual B Device Commissioning Device Commissioning Step 1 Access Device commissioning screen. Figure B-1 Method 1: before login (not connected to the Internet) Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 98 If the access fails in WEP mode, log in to the router and change the encryption mode of the router to WPA2 or WPA/WPA2. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 99 ● When you access the Device commissioning screen of the SUN2000 for the first time, you need to manually set the login password because the SUN2000 does not have an initial login password. ----End Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 100: C Built-In Pid Recovery

    NO TE ● Set PID running mode to Repair (disabled by default). ● Set Nighttime off-grid repair to (this parameter is displayed when Built-in PID running mode is set to Repair). ----End Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 101: D Resetting Password

    On the login page, set a new login password and log in to the app. ----End NO TICE You are advised to reset the password in the morning or at night when the solar irradiance is low. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 102: E Setting Dry Contact Scheduling Parameters

    Setting Dry Contact Scheduling Parameters Procedure Step 1 On the home screen, choose Settings > Power adjustment and set Dry contact scheduling to Figure E-1 Setting dry contact scheduling parameters ----End Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 103: F Afci

    Settings > Feature parameters, and disable AFCI. NO TE The AFCI function works only with Huawei optimizers or ordinary PV modules when the SUN2000 is connected to the grid, but does not support third-party optimizers or intelligent PV modules.
  • Page 104 Switch to an owner account with plant management rights. On the Home page, click the plant name to go to the plant page, and click OK as prompted to clear the alarm. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 105: G Rapid Shutdown

    ● Method 2: Turn off the DC switch at the bottom of the inverter. ● Method 3: If AFCI is enabled, the inverter automatically detects arc faults, triggering a rapid shutdown. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 106: H Ns Protection

    Settings > Feature parameters > Dry contact function, and set Dry contact function to NS protection. Figure H-1 Connecting cascaded inverters to the NS protection switch Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 107 SUN2000-(50KTL-ZHM3, 50KTL-M3) User Manual I Smart I-V Curve Diagnosis Smart I-V Curve Diagnosis For details, see SmartPVMS Smart I-V Curve Diagnosis User Manual. Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 108 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 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 109 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 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 110 K Acronyms and Abbreviations Acronyms and Abbreviations AFCI arc-fault circuit interrupter light emitting diode MBUS monitoring bus maximum power point MPPT maximum power point tracking protective earthing potential induced degradation photovoltaic residual current device Issue 03 (2022-08-30) Copyright © Huawei Technologies Co., Ltd.

This manual is also suitable for:

Sun2000-50ktl-m3Sun200050ktl-zhm3-50ktl-m301075485-058

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