Huawei SUN2000-(2KTL-6KTL)-L1 User Manual
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Huawei SUN2000-(2KTL-6KTL)-L1 User Manual

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SUN2000-(2KTL-6KTL)-L1
User Manual
Issue
03
Date
2020-09-15
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-(2KTL-6KTL)-L1

  • Page 1 SUN2000-(2KTL-6KTL)-L1 User Manual Issue Date 2020-09-15 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 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 Purpose This document describes the SUN2000-(2KTL-6KTL)-L1 (SUN2000 for short) in terms of its installation, electrical connection, 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 5.6 Connecting DC Input Power Cables. 5.8 (Optional) Connecting Signal Cables. 7.1.4 (Optional) Setting the Physical Layout of the Smart PV Optimizers. C Resetting Password. Issue 01 (2020-04-17) This issue is the release. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    5.3 (Optional) Installing a Smart Dongle..........................37 5.4 Installing a WLAN Antenna............................... 38 5.5 Connecting an AC Output Power Cable........................39 5.6 Connecting DC Input Power Cables..........................42 5.7 (Optional) Connecting Battery Cables.......................... 46 Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 10.2 Optimizer Technical ..........................97 A Grid Code..........................99 B Device Commissioning....................... 102 C Resetting Password......................105 D Rapid Shutdown......................... 108 E Locating Insulation Resistance Faults................109 F Acronyms and Abbreviations....................112 Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 7: 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 8: Personnel Requirements

    Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 9: Electrical Safety

    Do not connect or disconnect power cables with power on. Transient contact between the core of the power cable and the conductor will generate electric arcs or sparks, which may cause or personal injury. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 10: Installation Environment Requirements

    75 degrees, as shown in the following angle rule can be used to measure the angle. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 11: Commissioning

    1.6 Commissioning When the equipment is powered on for the time, ensure that professional personnel set parameters correctly. Incorrect settings may result in inconsistency with local the normal operation of the equipment. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 12: Maintenance And Replacement

    Failing to do so may escalate faults or damage the equipment. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Product Introduction

    2 Product Introduction Product Introduction 2.1 Overview Function The SUN2000-(2KTL-6KTL)-L1 is a single-phase grid-tied string inverter that converts the DC power generated by PV strings into AC power and feeds the electricity into the power grid. Model This document involves the following product models:...
  • Page 14 The SUN2000 applies to residential rooftop grid-tied systems. The system consists of PV strings, grid-tied solar inverters, AC switches, and power distribution units (PDUs). Figure 2-2 Single SUN2000 scenario (dashed boxes indicate optional Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 15 SUN2000-(2KTL-6KTL)-L1, and a maximum of three SUN2000s can be cascaded. be connected to the master inverter. meet the local power grid requirements. (A) PV string (B) Smart PV optimizer...
  • Page 16 The SUN2000 supports the following power grid types: TN-S, TN-C, TN-C-S, and TT. In the TT power grid, the N-to-PE voltage must be less than 30 V. Figure 2-4 Power grid types Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Component Description

    (11) Battery terminals (BAT+/BAT–) (12) Smart Dongle port (4G/FE) (13) Antenna port (ANT) (14) Communications port (COM) (15) AC output port (AC) (16) Ground point NO TE startup. It is delivered with the SUN2000. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 18: Label Description

    SUN2000. Grounding Indicates the position for connecting the protective earthing (PE) cable. Operation warning Do not remove the connector or antenna when the SUN2000 is running. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 19 Huawei SUN2000 WLAN (Android) or obtain the WLAN login password (iOS). NO TE The labels are for reference only. Nameplate Figure 2-6 Nameplate (using SUN2000-5KTL-L1 as an example) Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 20: Working Principles

    Surge protection is supported on both the DC and AC sides. The SUN2000 uses a reserved battery port for energy storage expansion. Battery performs charging and discharging operations according to the battery working mode. Figure 2-7 Schematic diagram Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 21 In Operating mode: mode and feeds the power to the power grid. the PV string output power. enters Shutdown mode. does not meet the requirements for grid-tied power generation, it enters Standby mode. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 22 SUN2000-(2KTL-6KTL)-L1 User Manual 2 Product Introduction Working Description mode Shutdown mode shutdown command or a fault, it enters Shutdown mode. or the startup command is executed, the SUN2000 enters Standby mode. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Sun2000 Storage

    Replace the packing materials that are damaged by insects or rodents in a timely manner. and tested by professionals before being put into use. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 24: System Installation

    If any item is missing or damaged, contact your dealer. NO TE Packing For details about the number of accessories delivered with the SUN2000, see the List in the packing case. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Preparing Tools And Instruments

    Torque screwdriver Rubber mallet Utility knife Cable cutter Crimping tool (model: Cord end terminal Disassembly and PV-CZM-22100) crimper Assembly Tool (model: PV-MS-HZ open-end wrench) Cable tie Vacuum cleaner Multimeter (DC voltage measurement Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 26: Determining The Installation Position

    500 meters from the coast or prone to sea breeze. The regions prone to sea breeze vary with weather conditions (such as typhoons and monsoons) or terrains (such as dams and hills). Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 27 SUN2000 may interfere with residents. Installation Angle Requirements The SUN2000 can be wall-mounted or pole-mounted. The installation angle requirements are as follows: facilitate heat dissipation. horizontal, or upside down positions. Figure 4-1 Installation angle Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 28 Figure 4-2 Installation space space is available and install them in triangle mode if no space is available. Stacked installation is not recommended. Figure 4-3 Horizontal installation mode (recommended) Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Moving A Sun2000

    4.4 Moving a SUN2000 Procedure Step 1 Hold the handles on both sides of the SUN2000, lift the SUN2000 from the packing case, and transport it to the installation position. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 30: Installing A Sun2000

    Figure 4-6 Moving a SUN2000 ----End 4.5 Installing a SUN2000 Installation Precautions Figure 4-7 shows the dimensions of mounting holes for the SUN2000. Figure 4-7 Mounting bracket dimensions Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Wall-Mounted Installation

    Otherwise, the mounting bracket will not be securely installed on the wall. washer of the expansion bolt at the bottom. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 32 Figure 4-10 Installing a locking screw for the DC switch Step 4 Install the SUN2000 on the mounting bracket. Step 5 Tighten the nuts. Figure 4-11 Tightening nuts Step 6 (Optional) Install an anti-theft lock. NO TICE Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 33: Support-Mounted Installation

    Figure 4-13 Determining hole positions Step 2 Drill holes using a hammer drill. NO TE You are advised to apply anti-rust paint on the hole positions for protection. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 34 Figure 4-15 Secure the mounting bracket NO TE Prepare bolt assemblies based on the hole diameter of the mounting bracket. Step 4 (Optional) Install the locking screw for the DC switch. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 35 Step 5 Install the SUN2000 on the mounting bracket. Step 6 Tighten the bolt assemblies. Figure 4-17 Tightening bolt assemblies Step 7 (Optional) Install an anti-theft lock. NO TICE Figure 4-18 Installing an anti-theft lock ----End Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 36: Electrical Connection

    The cable colors shown in the electrical connection diagrams provided in this chapter are for reference only. Select cables in accordance with local cable (green-and- yellow cables are only used for PE). Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 37: Preparing Cables

    PV customer modules connected in series and works with an optimizer. the input from two PV strings. Smart PV optimizer The SUN2000-450W-P Purchased from smart PV optimizer is Huawei supported. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 38 EM340-DIN AV2 3 X S1 X, GAVAZZI-EM111-DIN AV8 1 X S1 X, GAVAZZI- EM112-DIN AV0 1 X S1 X, CCS-WNC-3Y-400-MB, and CCS-WNC-3D-240- SUN2000 Select a proper model as Purchased from required. Huawei Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 4–6 by the cable customer diameter: 5.5–9 (Optional) Common outdoor PV Prepared Battery cable in the industry sectional area: 4–6 by the cable customer diameter: 5.5–9 Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 40 Note a: The minimum cross-sectional area of the cable should be selected based on the rated value of the AC fuse. NO TE cable selection include the rated current, cable type, routing mode, ambient temperature, and maximum expected line loss. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 41: Connecting Pe Cables

    SUN2000 is properly grounded and set Grounding inspection to Disable to enable the SUN2000 to run properly. If you are not sure whether the SUN2000 is connected to such a type of power grid, contact your dealer or Huawei technical support for...
  • Page 42 Figure 5-2 Crimping an OT terminal (A) Core wire (B) Insulation layer (C) Heat shrink tubing (D) Hydraulic pliers (E) Heat gun Step 2 Connect the PE cable. NO TICE a reserved ground point. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 43: Optional) Installing A Smart Dongle

    (size: 25 mm x 15 mm) with the capacity greater than or equal to 64 KB. screen and arrow on the card slot. place with a click sound. Figure 5-4 Installing a 4G Smart Dongle Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 44: Installing A Wlan Antenna

    5.4 Installing a WLAN Antenna Procedure Step 1 Remove the watertight cap from the ANT port. Step 2 Install the washer to the ANT port on the chassis. Step 3 Install the WLAN antenna. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 45: Connecting An Ac Output Power Cable

    SUN2000 can be safely disconnected from the power grid. WARNING Do not connect loads between the SUN2000 and the AC switch. Procedure Step 1 Connect the AC output power cable to the AC connector. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 46 PE point on the enclosure. other. malfunction or damage to its AC connector. Figure 5-7 Assembling an AC connector (three-core wire) Figure 5-8 Assembling an AC connector (two-core wire) Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 47 Figure 5-9 Length for cable stripping Step 2 Connect the AC connector to the AC output port. NO TICE Ensure that the AC connector is connected securely. Figure 5-10 Securing an AC connector Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 48: Connecting Dc Input Power Cables

    SUN2000 and all the switches connected to the SUN2000 are OFF. To remove the AC connector from the SUN2000, perform the operations in reverse order. Figure 5-12 Removing a plug insert 5.6 Connecting DC Input Power Cables Precautions Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 49 In this case, an AC or DC short circuit may occur and damage the SUN2000. The caused device damage is not covered under any warranty or service agreement. Figure 5-13 DC input terminals Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 Then pull back the DC input power cables to ensure that they are connected securely. Figure 5-14 Assembling a DC connector Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 51 NO TICE After the positive and negative connectors snap into place, pull the DC input power cables back to ensure that they are connected securely. Figure 5-15 Connecting DC input power cables Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 52: Optional) Connecting Battery Cables

    To remove the positive and negative connectors from the SUN2000, insert a disassembly tool into the notch and press the tool with an appropriate force. Figure 5-16 Removing a DC connector 5.7 (Optional) Connecting Battery Cables Prerequisites Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 53 10 meters, and within 5 meters is recommended. Procedure Step 1 Assemble the positive and negative connectors by referring to 5.6 Connecting DC Input Power Cables. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 SUN2000. NO TICE After the positive and negative connectors snap into place, pull the battery cables back to ensure that they are connected securely. Figure 5-17 Connecting battery cables ----End Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 55: Optional) Connecting Signal Cables

    485B2 and the 485B2 and 485A2 ports. 485A2 ports. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 56 Backup device. NO TE For details about how to connect signal cables, see the SUN2000L-(2KTL-5KTL) and SUN2000-(2KTL-6KTL)-L1 Battery and Smart Power Sensor Quick Guide. You can also scan the QR code to obtain the document. Communication Networking Mode NO TE The smart power sensor and Smart Dongle must be connected to the same SUN2000.
  • Page 57 SUN2000-(2KTL-6KTL)-L1 User Manual 5 Electrical Connection Figure 5-20 Connecting cables to the smart power sensor (single SUN2000) – In-phase grid connection Figure 5-21 In-phase grid connection Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 58 SUN2000-(2KTL-6KTL)-L1 User Manual 5 Electrical Connection Figure 5-22 Connecting cables to the smart power sensor (in-phase grid connection) – Balanced three-phase grid connection Figure 5-23 Balanced three-phase grid connection Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 Procedure Step 1 Connect signal cables to corresponding signal connectors. NO TICE core should be cut from the protection layer. that the outer diameters of the signal cables are the same. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 60 SUN2000-(2KTL-6KTL)-L1 User Manual 5 Electrical Connection Figure 5-25 Crimping two signal cables Figure 5-26 Crimping three signal cables Figure 5-27 Assembling a signal connector (single SUN2000) Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 61 Figure 5-28 Assembling a signal connector (SUN2000 cascading) Step 2 Connect the signal connector to the corresponding port. NO TICE Ensure that the signal connector is connected securely. Figure 5-29 Securing a signal connector ----End Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 62: System Commissioning

    Unused terminal and port 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 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 63: System Power-On

    Step 4 Turn on the DC switch between the PV string and the SUN2000 if there is any. Step 5 Turn on the DC switch at the bottom of the SUN2000. Step 6 Observe the LEDs to check the SUN2000 operating status. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 Communication is in then for 0.2s) progress. Blinking green at long intervals (on for 1s and The mobile phone is then for 1s) connected to the SUN2000. There is no communication. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 65 Table 6-3 LED indicators 2 Category Status Description Device LED1 LED2 LED3 – replacement Steady red Steady red Steady red The SUN2000 hardware indication is faulty. The SUN2000 needs to be replaced. ----End Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 66: Man-Machine Interaction

    PV plant information. For iOS users, you can search for FusionSolar in the App Store or scan the following QR code to download the iOS version. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 67: Optional) Registering An Installer Account

    To create multiple installer accounts for a company, log in to the FusionSolar app and tap New User to create an installer account. Figure 7-3 Creating multiple installer accounts for the same company Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 68: Creating A Pv Plant And A User

    Ensure that each QR code is attached within the frame. FusionSolar App Quick Guide . You can also scan the QR code to obtain the document. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 69 Figure 7-6 Uploading the physical layout template photo (WebUI) Step 2 Log in to https://intl.fusionsolar.huawei.com to access the WebUI of the FusionSolar Smart PV Management System. On the Homepage page, click the plant name to go to the plant page. Select Plant layout. Choose >...
  • Page 70 – Method 2: Tap Add PV modules to manually add PV modules and bind the optimizers to the PV modules. Figure 7-8 Physical layout design of PV modules ----End Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 71: Parameters Settings

    Limits or reduces the output power of the PV power system to ensure that the output power is within the power deviation limit. Procedure Step 1 On the home screen, choose Power adjustment > Grid-tied point control. Figure 7-10 Grid-tied point control Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 72 Enable, the SUN2000 will derate according to the active power derating percentage when the communication between the SUN2000 and the Smart Dongle is disconnected for a period longer than Communication disconnection detection time. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 73 Enable, the SUN2000 will derate according to the active power derating percentage when the communication between the SUN2000 and the Smart Dongle is disconnected for a period longer than Communication disconnection detection time. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 74 If the Smart Dongle does not detect any 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 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 75: Battery Control

    If the SUN2000 connects to a battery, you need to set battery parameters. Forcible Charge and Discharge Step 1 On the home screen, choose Power adjustment > Battery control > Forced charge/discharge and perform operations as required. Tap Submit. Figure 7-11 Forced charge/discharge Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 76 Control Mode Step 1 On the home screen, choose Power adjustment > Battery control > Control mode and perform the required operation. Tap Submit. Figure 7-12 Fixed charge/discharge Figure 7-13 Maximum self-consumption Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 77 Time-of-use, the battery is discharged when the electricity price is high and charged when the electricity price is low. A maximum of 10 time periods can be added. ----End Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 7 Man-Machine Interaction Charge from grid Step 1 On the home screen, choose Power adjustment > Battery control > Charge from grid. Figure 7-15 Charge from grid Figure 7-16 End-of-discharge capacity Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 79: Afci

    Function If PV modules or cables are incorrectly connected or damaged, electric arcs may be generated, which may cause Huawei solar inverters provide arc detection meets the requirement of UL 1699B-2018, ensuring the user safety and property. Issue 03 (2020-09-15)
  • Page 80 Device commissioning screen, connect and log in to the SUN2000 that generates the AFCI alarm, tap Alarm management, and tap Clear on the right of the DC arc fault alarm to clear the alarm. Figure 7-17 Alarm management Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 81: Ips Check (For Italy Cei0-21 Grid Code Only)

    IPS Test Type Description Maximum voltage The default maximum voltage over 10 min protection over 10 min threshold is 253 V (1.10 Vn), and the default protection (59.S1) time threshold is 3s. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 82: Drm (Australia As4777)

    7.2.4 DRM (Australia AS4777) Function According to Australia AS 4777.2-2015, solar inverters need to support the function of demand response mode (DRM), and DRM0 is a mandatory requirement. This function is disabled by default. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 83 S9 is switched on, the solar inverter should be grid-tied. Procedure Step 1 On the home page, choose Settings > Feature parameters. Step 2 Set DRM to Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 84 SUN2000-(2KTL-6KTL)-L1 User Manual 7 Man-Machine Interaction Figure 7-20 DRM ----End Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 85: System Maintenance

    Figure 8-1 Installing a locking screw for the DC switch Step 5 Turn the DC switch between the SUN2000 and PV strings. Step 6 (Optional) Turn the battery switch between the SUN2000 and batteries. ----End Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 86: Routine Maintenance

    Check that ground cables are securely inspection is reliability connected. 6 months after the initial commissioning. From then on, the interval can be 6 to 12 months. 8.3 Troubleshooting Alarm severities are as follows: Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 87 DC input switch, Cause ID = 1, 2 and then turn them on after 5 minutes. If the fault is abnormal. persists, contact your dealer or Huawei technical faulty. support. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 88 (NMS) with the consent of the local power operator. 3. If the fault persists for a long time, check the connection between the AC switch and the output power cable. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 89 3. Check whether the peak voltage of the power grid is too high. If the fault persists and cannot for a long time, contact the power operator. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 90 If no, contact the local power operator. If yes, modify the grid underfrequency protection threshold through the mobile app, SmartLogger, or NMS with the consent of the local power operator. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 91 SUN2000 output current After the fault is exceeds the upper the SUN2000 threshold. automatically recovers. 2. If the alarm occurs frequently, contact your dealer or Huawei technical support. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 92 PV string. If there are multiple PV strings, check the PV strings one by one. For details, see E Locating Insulation Resistance Faults. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 93 Huawei technical support. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 94 Cause ID = 1–12 persists, contact your dealer or Huawei technical short-circuited. support. experiences overcurrent. faulty. abnormal. sensor is faulty. detection fails. fails. supply is abnormal. abnormal. experiences overvoltage. experiences undervoltage. experiences voltage imbalance. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 SUN2000 RS485 3. Check whether the smart power sensor is powered on and whether the RS485 communications cable is connected. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 96 Active Islanding Major Cause ID = 1 Check that the grid connection voltage of the When the power grid SUN2000 is normal. experiences an AC power outage, the SUN2000 detects islanding proactively. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 97 2. Check whether the the PV string voltage optimizer output exceeds the inverter extension cable is input voltage correct (positive connector at one end and negative connector at the other). Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 98 Go to the optimizer information screen to view An optimizer is faulty. the fault details. NO TE Contact your dealer if all failure analysis procedures listed above are completed and the fault still exists. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 99: Sun2000 Disposal

    9.3 Disposing a SUN2000 If the SUN2000 service life expires, dispose the SUN2000 according to the local disposal rules for electrical equipment and electronic component waste. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 100: Technical Parameters

    SUN200 SUN200 SUN200 SUN200 0-2KTL- 0-3KTL- 0-3.68K 0-4KTL- 0-4.6KT 0-5KTL- 0-6KTL- TL-L1 L-L1 Maximum input voltage Maximum input 12.5A current (per MPPT) Maximum short- circuit current (per MPPT) Operating voltage range Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 101 15 A 16 A 20 A 27.3 A 23 A 25 A current Power factor 0.8 leading and 0.8 lagging Maximum total harmonic distortion (rated power) VA for the AS4777 grid code. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 102 SUN200 SUN200 0-2KTL- 0-3KTL- 0-3.68K 0-4KTL- 0-4.6KT 0-5KTL- 0-6KTL- TL-L1 L-L1 Display LED indicators; WLAN+App WLAN Supported RS485 Supported Maximum RS485 1000 m communication distance Communications WLAN-FE (optional)/4G (optional) expansion module Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 103: Optimizer Technical

    10.2 Optimizer Technical Technical SUN2000-450W-P Maximum European weighted Input Technical SUN2000-450W-P Rated PV module power 450 W Maximum PV module power 472.5 W Maximum input voltage 80 V MPPT voltage range 8–80 V Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 104 71 mm x 138 mm x 25 mm Net weight DC input and output Staubli MC4 terminals Operating temperature Storage temperature Operating humidity Maximum operating altitude 4000 m IP rating IP68 Installation mode Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 105: A Grid Code

    Support Support Support 15-712- island 1(C) power grid CEI0-21 Italy Support Support Support Support Support Support Support power grid RD1699/ Spain LV Support Support Support Support Support Support Support power grid Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 106 Support Support Support Support Support 9-SE ABNT Brazil Support Support Support Support Support power 16149 grid Fuel- Diesel Support Support Support Support Support Support Support Engine- generator Grid hybrid power grid Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 107 Grid-60 hybrid power grid Austria Austrian Support Support Support power grid UK G98 Support Support Support power grid G99- Support Support Support Support Support Support Support TYPEA- G99_Type A_LV power grid Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 108: B Device Commissioning

    SUN2000-(2KTL-6KTL)-L1 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 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 109 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 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 110 Device Commissioning screen of the SUN2000 for the time, you need to manually set the login password because the SUN2000 does not have an initial login password. Figure B-3 Quick settings ----End Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 111: C Resetting Password

    Obtain the initial WLAN hotspot name (SSID) and initial password (PSW) from the label on the side of the SUN2000 and connect to the app. On the login screen, set a new login password and log in to the app. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 112 > Router connection settings, and set router parameters. Figure C-2 Setting router parameters Log in to the FusionSolar app, choose Device Commissioning > Settings > Communication > Management System , and set management system parameters. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 113 Figure C-3 Setting management system parameters Log in to the FusionSolar app, choose Device Commissioning > Settings > Communication > Inverter WLAN settings, and reset the WLAN password. Figure C-4 Resetting the WLAN password ----End Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 114: D Rapid Shutdown

    DC switch at the bottom of the SUN2000. (If an extra DC switch is connected to the input side of the SUN2000, turning this DC switch will not trigger rapid shutdown.) Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 115: E Locating Insulation Resistance Faults

    ON/OFF on the app and send a shutdown command. Set the DC switch to OFF and go to Step 2 to connect another PV string to the solar inverter for a check. Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 116 If the Low Insulation Resistance alarm is not reported one minute after the DC is supplied, the inspection on the PV string is complete. Choose Device Commissioning > Maintenance > Inverter ON/OFF on the app Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 117 Set the DC switch to ON. If the solar inverter status is Shutdown: Command, choose Device Commissioning > Maintenance > Inverter ON/OFF on the app and send a startup command. ----End Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 118: F Acronyms And Abbreviations

    Acronyms and Abbreviations alternating current direct current direct current fault ride through HVRT high voltage ride-through light emitting diode LVRT low voltage ride-through Media Access Control MPPT maximum power point tracking protective earthing Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 119 SUN2000-(2KTL-6KTL)-L1 User Manual F Acronyms and Abbreviations photovoltaic RCMU residual current monitoring unit relative humidity serial number Issue 03 (2020-09-15) Copyright © Huawei Technologies Co., Ltd.

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