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Huawei SUN2000-75KTL Series User Manual

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SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series
User Manual
Issue
15
Date
2023-01-31
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-75KTL Series

  • Page 1 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual Issue Date 2023-01-31 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 4 7.1.3 Logging In to the App. Deleted Operations with a USB Flash Drive. Updated Troubleshooting. Updated A Grid Codes. Added B Resetting Password. Issue 13 (2022-06-20) Updated 5.7 Connecting DC Input Power Cables. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 5 Updated 4.5 Installing a Solar Inverter. Updated 5.2 Preparing Cables. Updated 5.7 Connecting DC Input Power Cables. Updated 6.2 Powering On the SUN2000. Updated 7.1.4.5 AFCI. Updated 8.1 Shutdown and Power-Off. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 Issue 03 (2019-12-08) Updated 3 Solar Inverter Storage. Updated 4.5 Installing a Solar Inverter. Updated 5.2 Preparing Cables. Updated 5.6 Connecting an AC Output Power Cable. Updated 5.7 Connecting DC Input Power Cables. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 7 Added C Domain Name List of Management Systems. Issue 02 (2019-08-09) Added the SUN2000-110KTL-M0, SUN2000-100KTL-M0, SUN2000-100KTL-M1, and SUN2000-100KTL-INM0 models. Issue 01 (2019-05-15) This issue is used for first office application (FOA). Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 8: Table Of Contents

    5.1 Precautions....................................45 5.2 Preparing Cables................................... 45 5.3 Connecting the PE Cable..............................55 5.4 Opening the Maintenance Compartment Door......................56 5.5 (Optional) Installing the Power Cable of the Tracking System................59 Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 9 8.6 Resetting and Turning On the DC Switch........................134 9 Handling the Inverter......................135 9.1 Removing the SUN2000..............................135 9.2 Packing the SUN2000............................... 135 9.3 Disposing of the SUN2000.............................. 135 10 Technical Specifications....................136 A Grid Codes..........................141 Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd. viii...
  • Page 10 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual Contents B Resetting Password......................152 C Domain Name List of Management Systems...............153 D Contact Information......................154 E Acronyms and Abbreviations....................156 Issue 15 (2023-01-31) 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 15 (2023-01-31) 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 15 (2023-01-31) 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 15 (2023-01-31) 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 15 ● Only qualified professionals can replace a damaged cable. ● Do not scrawl, damage, or block any labels or nameplates on the equipment. Promptly replace labels that have worn out. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 16: Environment Requirements

    1.3 Environment Requirements D ANGER Do not expose the equipment to flammable or explosive gas or smoke. Do not perform any operation on the equipment in such environments. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 17 Do not install the equipment in an area conducive for the growth of microorganisms such as fungus or mildew. ● Do not install the equipment in an area with strong vibration, noise, or electromagnetic interference. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 18: Mechanical Safety

    General Requirements ● Repaint any paint scratches caused during equipment transportation or installation in a timely manner. Equipment with scratches cannot be exposed for an extended period of time. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 19 When moving the equipment, assign dedicated personnel to take care of it. ● Choose sea or roads in good conditions for transportation as transportation by railway or air is not supported. Avoid tilt or jolt during transportation. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 20 If a single ladder is used, do not climb higher than the fourth rung of the ladder from the top. ● If you use a single ladder to climb up to a platform, ensure that the ladder is at least 1 m higher than the platform. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 21 Drilling Holes ● Obtain consent from the customer and contractor before drilling holes. ● Wear protective equipment such as safety goggles and protective gloves when drilling holes. Issue 15 (2023-01-31) 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Overview

    Overview 2.1 Product Model Model Description NO TICE The SUN2000-125KTL-M0, SUN2000-110KTL-M0, and SUN2000-100KTL-M0 are applicable only to the Chinese mainland. For other countries or regions, Huawei does not provide quality assurance. This document covers the following product models: ● SUN2000-125KTL-M0 ●...
  • Page 24 You can obtain the solar inverter model from the model label on the external package and the nameplate on the side of the enclosure. Figure 2-2 Position of the model label on the external package (1) Position of the model label Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Overview

    ● Smart air cooling: Adjusts the fan speed based on the ambient temperature and load to ensure the service life of fans and avoid frequent maintenance. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 26 Supported Power Grids ● SUN2000-110KTL-M0, SUN2000-100KTL-M0, SUN2000-100KTL-M1, SUN2000-100KTL-INM0, and SUN2000-75KTL-M1 solar inverters support the TN-S, TN-C, TN-C-S, TT, and IT power grids. ● The SUN2000-125KTL-M0 supports only the IT power grid. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Label Description

    It takes 15 minutes for the inverter to discharge to the safe voltage. Refer to documentation Reminds operators to refer to the documents shipped with the inverter. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 28: Product Appearance

    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. 2.4 Product Appearance Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Appearance

    (5) (Optional) Screw hole for DC switch 2 (6) DC switch 2 (DC SWITCH 2) (7) DC input terminal group 3 (PV15–PV20, (8) (Optional) Screw hole for DC switch 3 controlled by DC SWITCH 3) Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 30 Do not turn on the DC switches by yourself. Table 2-2 DC switch description Switch Description Component DC SWITCH The DC switch is ON and can automatically turn off for protection. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 31 , and cannot be set to the ON position. Dimensions Figure 2-9 Dimensions Wiring Area Figure 2-10 Wiring port of a 3-pin model (SUN2000-125KTL-M0) Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 32: Indicator Status

    Figure 2-11 Wiring port of 4-pin models (SUN2000-110KTL-M0, SUN2000-100KTL-M0, SUN2000-100KTL-M1, SUN2000-100KTL-INM0 and SUN2000-75KTL-M1) (1) DC input terminals (2) RS485 port (3) Ground point on the enclosure (4) AC terminal block (4-pin) 2.4.2 Indicator Status Figure 2-12 Indicator Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 33 The solar inverter is not in grid-tied mode. Communications Blinking green fast The solar inverter receives indicator communication data normally. The solar inverter has not received communication data for 10 seconds. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Working Principles

    ● If an alarm is generated during local maintenance, the alarm/maintenance indicator shows the local maintenance state first. After the USB flash drive, WLAN module, Bluetooth module, or USB data cable is removed, the indicator shows the alarm state. 2.5 Working Principles Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Circuit Diagram

    PV strings. The DC power is then converted into three-phase AC power through an inverter circuit. Surge protection is supported on both the DC and AC sides. Figure 2-13 Schematic diagram of a 3-pin model Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 36: Working Modes

    SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 2 Overview Figure 2-14 Schematic diagram of 4-pin models 2.5.2 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 37 ● 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 38: 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 40: Installation

    If any damage is found or any component is missing, contact your dealer. NO TE For details about the number of accessories delivered with the solar inverter, see the Packing List in the packing case. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 41: Tools

    (head: M3) Utility knife Cable cutter Crimping tool Crimping tool Model: H4TC0003 Model: PV- CZM-22100 Manufacturer: AMPHENOL Manufacturer: STAUBIL (For Amphenol Helios H4 (For Staubli MC4 connectors only) connectors only) Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 42 Measuring tape Level Hydraulic pliers Heat shrink tubing Heat gun Cable tie Scissors RJ45 crimping tool Vacuum cleaner Rubber mallet Insulation resistance tester (Output voltage > 1500 V) Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 43: 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 44 Install the solar inverter vertically or at a maximum back tilt of 75 degrees to facilitate heat dissipation. ● Do not install the solar inverter at forward tilted, excessive back tilted, side tilted, horizontal, or upside down positions. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 45 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 4 Installation Figure 4-2 Angle Installation Dimensions Requirements Reserve enough space around the solar inverter for installation and heat dissipation. Figure 4-3 Installation clearance Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 46 Stacked installation is not recommended. Figure 4-4 Horizontal installation mode (recommended) Figure 4-5 Triangle installation mode (recommended) Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 47: Installing The Mounting Bracket

    The mounting bracket of the solar inverter has four groups of tapped holes, each group containing four tapped holes. Mark any hole in each group based on site requirements and mark four holes in total. The two round holes are recommended. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 48: Support-Mounted Installation

    Step 2 Drill holes using a hammer drill. It is recommended that anti-rust measures be taken on the positions for drilling holes. Step 3 Secure the mounting bracket. Figure 4-9 Installing the mounting bracket ----End Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 49: Wall-Mounted Installation

    ● Level the head 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 wall. Step 3 Secure the mounting bracket. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 50: Installing A Solar Inverter

    ● To avoid damage to the equipment, do not lift or hoist a solar inverter with an improper hold as shown in Figure 4-12. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 51 Figure 4-13 Taking out the solar inverter Step 2 (Optional) Install screws for locking DC switches. NO TE For the model used in Australia, perform this step to meet the local standards Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 NO TICE Hoist the solar inverter with care to protect it from colliding with the wall or other objects. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 53 Step 5 Install the solar inverter on the mounting bracket and align the solar inverter enclosure with the mounting bracket. Figure 4-17 Mounting the solar inverter Step 6 Secure the solar inverter. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 4 Installation Figure 4-18 Tightening security Torx screws ----End Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 55: Electrical Connections

    Select cables in accordance with local cable specifications (green-and- yellow cables are only used for protective earthing). 5.2 Preparing Cables SUN2000 solar inverters support RS485 communication and MBUS communication. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 56 Figure 5-1 RS485 networking (SmartLogger) (A) PV string (B) SUN2000 (C) AC combiner box (D) Transformer station (E) Power grid (F) SmartLogger (G) Management system Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 57 (E) Power grid (F) SDongle (G) Management system Figure 5-3 MBUS networking (SmartLogger) (A) PV string (B) SUN2000 (C) AC combiner box (D) Transformer station (E) Power grid (F) SmartLogger (G) Management system Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 58 COM port on the SmartLogger and that less than 10 solar inverters be cascaded over the SDongle. ● The RS485 communication distance between the last solar inverter and the SmartLogger cannot exceed 1000 m. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 SDongle is installed. SmartLogger The solar inverter communicates with Purchased from the management system through the Huawei SmartLogger. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 60 500 V AC and a rated current of 250 A SDongle The solar inverter communicates with Purchased from the management system through the Huawei SDongle. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 61 Prepared by earthing (PE) copper cable and M10 OT/DT terminals customer cable Tracking Three-core outdoor 15–18 mm Prepared by 10 mm system power copper cable with dual- cable layer protection customer Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 62 The specifications of the PE cable are subject to this table or calculated according to IEC 60364-5-54. Note [2]: For some models, the outer diameter of a single-core cable ranges from 14 mm to 36 mm based on the label in the maintenance compartment. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 63 ≥ S/2 Prepared PE cable cable and M10 OT/DT by the terminals customer Tracking system Three-core outdoor copper 15–18 mm Prepared 10 mm power cable cable with dual-layer by the protection customer Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 (L1, L2, L3, N, and PE) outdoor cable, M12 OT/DT terminals (L1, L2, L3, and N), and M10 OT/DT terminals (PE). Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 65: Connecting The Pe Cable

    Connect the PE points of all solar inverters in the same array to ensure equipotential connections to PE cables. Procedure Step 1 Connect the PE cable to the PE point. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 66: Opening The Maintenance Compartment Door

    If unavoidable, do not open the maintenance compartment door. ● Do not leave unused screws in the maintenance compartment. Procedure Step 1 Open the maintenance compartment door and install the support bar. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 Figure 5-7 Opening the maintenance compartment door Step 2 Remove the accessories and keep them properly. Figure 5-8 Removing the accessories Step 3 Select a crimping module according to the type of the AC output power cable. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 68 Remove the corresponding rubber rings in strict accordance with the cable diameter, and ensure that the crimping module is not damaged. Otherwise the protection level of the solar inverter will be affected. Figure 5-10 Remove the rubber ring Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 69: Optional) Installing The Power Cable Of The Tracking System

    Step 1 Prepare a cable. Step 2 Remove the corresponding rubber rings. Step 3 Connect the power cable of the tracking system. Figure 5-11 Connecting the power cable of the tracking system ----End Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 70: Connecting An 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 must be equipped with an AC output switch. Multiple inverters cannot connect to the same AC output switch. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 71 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 5-13 Requirements for the OT/DT terminal Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 72 Step 3 Secure the AC output power cable and PE cable. Step 4 Install the support bar. Step 5 Close the maintenance compartment door and tighten the two screws on the door. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 73 ● If a screw on the maintenance compartment door is lost, obtain the spare screw from the fitting bag tied at the bottom of the maintenance compartment. Figure 5-16 Multi-core cable connections Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 74 The 32–36 mm cable is supported only by some models. Refer to the corresponding label to get the supported size. Figure 5-18 3-pin model (125KTL) cable connections (A) Four-core cable (B) Three-core cable (C) Single-core cable Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 (excluding the neutral wire) NO TE The cable colors shown in figures are for reference only. Select an appropriate cable according to the local standards. Figure 5-20 Closing the Maintenance Compartment Door ----End Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 76: Connecting Dc Input Power Cables

    The polarities of electric connections are correct on the DC input side. The positive and negative terminals of a PV module connect to corresponding positive and negative DC input terminals of the solar inverter. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 77 For example, if the number of input routes is 1–19, the DC input terminals are selected as follows. Number Terminal Selection Number Terminal Selection of PV of PV Strings Strings Any even-numbered route PV2 and PV10 PV2, PV10, and PV18 PV2, PV6, PV10, and PV18 Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 78: Connecting Cables To Amphenol Helios H4 Connectors

    PV connectors is beyond the warranty scope. Procedure Step 1 Prepare the DC input power cables. Step 2 Crimp positive and negative metal contacts. Step 3 Insert the contacts into the corresponding positive and negative connectors. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 79 Figure 5-23 Testing the insulation resistance between all PV– cables and the ground Step 7 Insert the positive and negative connectors into the corresponding DC positive and negative input terminals of the solar inverter. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 80 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 5 Electrical Connections Figure 5-24 Connecting DC input power cables Figure 5-25 Connector connection Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 81 During DC input power cabling, leave at least 50 mm of slack. The axial tension on PV connectors must not exceed 80 N. Radial stress or torque must not be generated on PV connectors. ----End Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 82: Connecting Cables To Staubli Mc4 Connectors

    If the insulation resistance is greater than or equal to 1 MΩ, it is normal. ● If the insulation resistance is less than 1 MΩ, troubleshoot the cable insulation. Figure 5-27 Testing the insulation resistance Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 83 Figure 5-28 Testing the insulation resistance between all PV– cables and the ground Step 7 Insert the positive and negative connectors into the corresponding DC positive and negative input terminals of the solar inverter. Figure 5-29 Connecting DC input power cables Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 84 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 5-31 DC input power cabling requirement Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 85: Connecting The Rs485 Communications Cables

    RS485B IN, RS485 RS485B OUT, RS485 such as the differential signal– differential signal– SmartLogger. Protection PE, shielding ground PE, shielding ground ground Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 86 When routing the communications cable, separate it from power cables to prevent communication from being affected. Connect the shield layer to the PE point. This section describes how to connect three communications cables. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 87 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 5 Electrical Connections Figure 5-33 Connecting RS485 communications cables (4–8 mm four-hole rubber plug) Figure 5-34 Connecting RS485 communications cables (4–8 mm two-hole or three-hole rubber plug) Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 88: Commissioning

    Unused USB and RESET ports are plugged with watertight caps. 6.2 Powering On the SUN2000 Precautions D ANGER ● Wear insulated gloves and use insulated tools to prevent electric shocks or short circuits. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 89 SWITCH 3. Store the screws properly for future power-off maintenance. NO TE For the model used in Australia, perform this step based on the local standards. Figure 6-1 Remove the screws Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 90 Step 5 Observe the LED indicators to check the SUN2000 operating status. Step 6 Perform quick settings on the SUN2000 app. For details, see 7.1 Operations with the SUN2000 App. ----End Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 91: 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 92: 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: Scan the QR code and download the latest installation package. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 93: Logging In To The App

    SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 7 Man-Machine Interactions ● SUN2000 app: Log in to Huawei AppGallery (https://appstore.huawei.com), search for SUN2000, and download the app installation package. You can also scan the QR code to download the installation package. QR code: 7.1.3 Logging In to the App...
  • Page 94 USB access will not appear if you log in to the app again without removing the USB data cable. (Scenario in which the SUN2000 is connected to the FusionSolar hosting cloud) Run the FusionSolar app and access the Device Commissioning screen. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 7 Man-Machine Interactions Figure 7-3 Selecting a connection mode (with network access) Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 96 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 97 ● For details about the permissions of an installer user, see those of advanced and special users. The following parameter settings use advanced and special users as examples. – The login user is a Common User, Advanced User, or Special User. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 98 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. Figure 7-6 Login – The login user is an Installer user. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 99 ● If the device has been connected to the SmartLogger, the quick settings screen is not automatically displayed when the device is connected to the app. ● Set the correct grid code based on the application area and scenario of the solar inverter. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 100: Operations Related To The Advanced User

    Ensure that the DC side of the SUN2000 is energized before setting grid parameters, protection parameters, and feature parameters. 7.1.4.1 Setting Grid Parameters Procedure Step 1 Choose Settings > Grid parameters to set grid parameters. Figure 7-8 Grid parameters Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 101: Setting Protection Parameters

    If the detected value is less than the preset value, the SUN2000 does not export power to the power grid. ----End 7.1.4.3 Setting Feature Parameters Procedure Step 1 Choose Settings > Feature Parameters, and set feature parameters. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 102 MPPT scanning at regular intervals to locate the maximum power. MPPT multi-peak scan interval Specifies the MPPT scanning interval. (min) This parameter is displayed when MPPT multi-peak scanning is set to Enable. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 103 This parameter is displayed when PV module type is set to Crystalline silicon. Select PV–positive offset for P-type PV modules. Select PV+ negative offset for N-type PV modules. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 104 After the inverter starts to upgrade, if Delay upgrade is set to Enable, the upgrade package is loaded first. After the PV power supply recovers and the activation conditions are met, the inverter automatically activates the upgrade. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 105: Built-In Pid Recovery

    PV module is the PV– positive offset. Otherwise, PV modules may be damaged. Procedure Step 1 Choose Settings > Feature Parameters. The parameter setting screen is displayed. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 106 Specifies the operation mode of the inverter built-in PID. PID nighttime off-grid repair Specifies whether to enable the PID nighttime off-grid repair. If PID running mode is not set to Disable, the parameter can be set. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 107: Afci

    To disable this function, log in to the FusionSolar App, enter the Device Commissioning screen, choose Settings > Feature parameters, and disable AFCI. NO TE The AFCI function works only with Huawei optimizers or ordinary PV modules, but does not support third-party optimizers or intelligent PV modules. Clearing Alarms The AFCI function involves the DC arc fault alarm.

  • Page 108: Operations Related To The Special User

    Ensure that the DC side of the SUN2000 is energized before setting grid parameters, protection parameters, feature parameters, and grid adjustment parameters. 7.1.5.1 Setting Grid Parameters Procedure Step 1 Choose Settings > Grid Parameters and set grid parameters. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 109 Specifies whether to allow the inverter to automatically start recovery after the power grid recovers. Grid connected recovery time Specifies the time after which the inverter begins restarting from grid faults (s) after the power grid recovers. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 110: Setting Protection Parameters

    Specifies the voltage threshold for exiting reactive power (cosφ-P) exit voltage (%) compensation based on the cosφ-P curve. ----End 7.1.5.2 Setting Protection Parameters Procedure Step 1 Choose Settings > Protection Parameters and set protection parameters. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 111 Specifies the solar inverter protection threshold when the threshold (%) power grid voltage is unbalanced. 10-min overvoltage protection Specifies the 10-minute overvoltage protection threshold. threshold (V) 10-min overvoltage protection Specifies the 10-minute overvoltage protection duration. duration (ms) Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 112: Setting Feature Parameters

    N can be 1, 2, 3, 4, or 5. Active islanding protection Specifies whether to enable the active islanding protection function. ----End 7.1.5.3 Setting Feature Parameters Procedure Step 1 Choose Settings > Feature Parameters, and set feature parameter Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 113 LVRT is short for low voltage ride-through. When the grid voltage is abnormally low for a short time, the inverter cannot disconnect from the power grid immediately and has to work for some time. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 114 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 115 Enable, the output current is less than 10% of the rated current during high/low voltage ride-through. This parameter is displayed when LVRT or HVRT is set to Enable. Active islanding protection Specifies whether to enable the active islanding protection function. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 116: Setting Power Adjustment Parameters

    Sets the communication mode between the master and slave servers in SDongle scenarios. ----End 7.1.5.4 Setting Power Adjustment Parameters Procedure Step 1 Choose Settings > Power adjustment and set power adjustment parameters. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 117 When this parameter is set to 0, the scheduling instruction takes effect permanently. Maximum active power (kW) Specifies the output upper threshold for the maximum active power to adapt to different market requirements. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 118 Specifies the adjustment time for the reactive power to reach the target value during reactive power adjustment. Plant active power gradient Specifies the rate of active power rise due to sunlight changes. (min/100%) Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 119 < Cutoff frequency of overfrequency derating. Cutoff power of overfrequency Specifies the power threshold for cutting off overfrequency derating (%) derating. ● This parameter is displayed when Overfrequency derating is set to Enable. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 120 P/ Pn(%) (the ratio of the actual active power to the rated active power). Cosφ-P/Pn characteristic curve The inverter adjusts the output power factor cosφ in real time based on P/Pn(%). Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 121: Optional) Installing A Smart Dongle

    7.3 Upgrading the Inverter USB flash drives of SanDisk, Netac, and Kingston are recommended. Other brands may be incompatible. NO TE Delete the script file immediately after use to reduce information disclosure risks. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 122 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 123: Maintenance

    Therefore, put on protective gloves and begin servicing the SUN2000 15 minutes after the power-off. Procedure Step 1 Run a shutdown command on the SUN2000 app, SmartLogger, or NMS. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 124: Power-Off For Troubleshooting

    ● Before power-off for troubleshooting, do not touch the energized components of the solar inverter. Otherwise, electric shocks or arcing may occur. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 125 ● If the solar inverter does not emit odor or smoke and is intact, repair or restart it based on the alarm handling suggestions. Do not stand in front of the solar inverter during the restart. ----End Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 126: Routine Maintenance

    Once every 6 months status damaged or deformed. ● The solar inverter operates with no abnormal sound. ● All solar inverter parameters are correctly set. Perform this check when the solar inverter is running. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 127: Troubleshooting

    Alarm severities are defined as follows: ● Major: The inverter is faulty or the external environment is abnormal. As a result, the output power decreases or the inverter stops feeding into the grid. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 128 3. If auto recovery from string-to-ground short- circuit protection is enabled, the alarm will be automatically cleared after fault recovery. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 129 Then, turn off the DC switches and add more PV modules. 2. Check whether the PV string is shaded. 3. Check whether the open- circuit voltage of the PV string is normal. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 130 PV string is lost; both 2- string terminals are in-1 PV strings are lost; one of the properly connected. 2-in-1 PV strings is lost. 3. If a 2-in-1 terminal is used, check whether it is normal. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 131 3. If the fault persists for a long time, check the AC circuit breaker and AC output power cable. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 132 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 133 If yes, log in to the mobile phone app, SmartLogger, or NMS to modify the power grid underfrequency protection threshold with the consent of the local power operator. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 134 Compone solar inverter inverter output current exceeds automatically recovers the specified upper threshold. Overhigh after the fault is rectified. 2. If the alarm occurs frequently, contact your dealer or technical support. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 135 3. If you are sure that the impedance is less than the default value in a cloudy or rainy environment, reset Insulation resistance protection. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 136 Cause ID = 1 1. Apply for a new license. Expired 1. The privilege license has 2. Load a new license. entered the grace period. 2. The privilege feature will be invalid soon. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 137 PV array output and the ground. If a short circuit occurs or the insulation is insufficient, rectify the fault. 2. If the fault persists, contact your dealer or technical support. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 138 If the fault persists after 5 minutes, contact your dealer or technical support for replacement. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 139 ON position, press the reset buttons of all DC switches inwards until they cannot be moved further, and then turn on the DC switches again. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 140: Replacing A Fan

    Figure 8-4 Pulling out fan tray (1) Step 2 Remove the cable ties shared by the cables, unscrew the connectors, and disconnect the cables. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 141 Step 4 Remove cable ties from the faulty fan. ● FAN 1 Faulty Figure 8-7 Removing the FAN 1 cable ties ● FAN 2 Faulty Figure 8-8 Removing the FAN 2 cable ties ● FAN 3 Faulty Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 142 Binding positions for fan 1 Figure 8-12 Binding the FAN 1 cables ● Binding positions for fan 2 Figure 8-13 Binding the FAN 2 cables ● Binding positions for fan 3 Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 143 Step 9 Connect the cables correctly according to the cable labels and bind the cables. Figure 8-16 Reconnecting and binding the cables Step 10 Push the fan tray into the slot and tighten the screw. Figure 8-17 Reinstalling the fan tray ----End Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 144: Resetting And Turning On The Dc Switch

    Step 2 Set the DC switches to ON. Step 3 Tighten the caps of the RESET buttons. Figure 8-18 Resetting and turning on the DC switch (DC SWITCH 1 is used as an example) ----End Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 145: 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 146: Technical Specifications

    98.6% (480 (480 V) 98.4% (480 Input Item SUN2000-1 SUN2000-1 SUN2000-1 SUN2000-1 SUN2000-1 SUN2000-7 25KTL-M0 10KTL-M0 00KTL-M0 00KTL-M1 00KTL- 5KTL-M1 INM0 Maximum 1100 V input voltage Operating 200–1000 V voltage range Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 147 Output Item SUN2000-1 SUN2000-1 SUN2000-1 SUN2000-1 SUN2000-1 SUN2000-7 25KTL-M0 10KTL-M0 00KTL-M0 00KTL-M1 00KTL- 5KTL-M1 INM0 Rated 125 kW 110 kW 100 kW 100 kW 100 kW 75 kW active power Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 148 SUN2000-100KTL-M0, SUN2000-100KTL-M1, SUN2000-100KTL-INM0, or SUN2000-75KTL-M1 based on the application scenario. If no neutral wire is used, set Output mode to Three-phase three-wire. If the neutral wire is used, set the Output mode to Three-phase four-wire. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 149 PV string Supported fault detection DC surge Supported protection AC surge Supported protection Insulation Supported resistance detection Residue Supported current monitoring unit (RCMU) Overvoltag PV II/AC III e category Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 150 Relative 0%–100% RH humidity Input Amphenol Helios H4 terminal Output Crimping module + OT/DT terminal terminal IP rating IP66 Topology Transformerless Note [1]: Some devices use Staubli MC4 connectors. Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 151: A Grid Codes

    32004 Golden Sun low- voltage power grid UTE C France Supported 15-712-1( mainland power grid UTE C France Supported 15-712-1(B island power grid UTE C France Supported 15-712-1(C island power grid Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 152 (I < 16 A) G83- Scotland Supported Scotland 240 V power grid (I < 16 A) CEI0-21 Italy power Supported grid EN50438- Czech Supported Republic power grid RD1699/66 Spain low- Supported voltage power grid Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 153 Italy power Supported grid CHINA-MV China Support Supporte Supported medium- voltage power grid TAI-PEA Thailand Supported PEA power grid TAI-MEA Thailand Supported power grid BDEW- Germany Supported MV480 medium- voltage power grid Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 154 Thailand Supported MV480 medium- voltage power grid TAI-MEA- Thailand Supported MV480 medium- voltage power grid EN50438- Denmark Supported DK-MV480 medium- voltage power grid C11/C10- Belgium Supported MV480 medium- voltage power grid Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 155 IEC61727-6 IEC61727 Supported Supported low- voltage power grid (60 Hz) IEC61727-6 IEC61727 Supported Supported 0Hz- medium- MV480 voltage power grid (60 Hz) CHINA_MV China Supporte medium- voltage power grid Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 156 Supported 0Hz- V medium- MV500 voltage power grid CEI0-16- Italy Supported MV480 medium- voltage power grid PO12.3 Spain low- Supported voltage power grid CEI0-21- Italy Supported MV480 medium- voltage power grid Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 157 India Supported MV500 medium- voltage power grid SA_RPPs South Supported Africa low- voltage power grid SA_RPPs- South Supported MV480 Africa medium- voltage power grid Malaysian Malaysia Supported low- voltage power grid Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 158 Vietnam- Vietnam Supported MV480 power grid TAIPOWER Taiwan Supported Power low- voltage power grid TAIPOWER Taiwan Supported -MV480 Power medium- voltage power grid BANGLAD Banglades Supported h low- voltage power grid Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 159 Supported power grid Pakistan- Pakistan Supported MV480 medium- voltage power grid Austria Austria Supported power grid Austria- Austria Supported MV480 medium- voltage power grid G99- Supported TYPEA-LV G99_TypeA _LV power grid Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 160 VDE-AR- Germany Supported Supported N4110- medium- MV480 voltage power grid Spain Supported power grid NTS- Spain Supported MV480 medium- voltage power grid C10/11- Belgium Support Supported MV400 medium- voltage power grid Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 161 SINGAPOR Singapore Supported low- voltage power grid SINGAPOR Singapore Supported E-MV480 medium- voltage power grid CZECH- Czech Supported EN50549- Republic LV230 power grid CZECH- Czech Supported EN50549- Republic MV480 power grid Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 162: B Resetting Password

    ● SUN2000 V500R001C00SPC126 and later versions support password reset. ● SUN2000ME V500R023C00SPC020 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 163: 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 hosting cloud NOTE The domain name is compatible with cn.fusionsolar.huawei.com (Chinese mainland). Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 164: 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 165 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

  • Page 166: E Acronyms And Abbreviations

    E 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 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.
  • Page 167 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual E Acronyms and Abbreviations RCMU residual current monitoring unit WEEE waste electrical and electronic equipment Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd.

This manual is also suitable for:

Sun2000-100ktl seriesSun2000-110ktl seriesSun2000-125ktl series

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