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Huawei SUN2000-2KTL-L1 User Manual
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Huawei SUN2000-2KTL-L1 User Manual

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SUN2000-(2KTL-6KTL)-L1
User Manual
Issue
04
Date
2021-04-01
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-2KTL-L1

  • Page 1 SUN2000-(2KTL-6KTL)-L1 User Manual Issue Date 2021-04-01 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 4 5.8 (Optional) Connecting Signal Cables. ● Updated 7.1.4 (Optional) Setting the Physical Layout of the Smart PV Optimizers. ● Updated C Resetting Password. Issue 01 (2020-04-17) This issue is the first official release. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    5.3 (Optional) Installing a Smart Dongle..........................38 5.4 Installing a WLAN Antenna............................... 39 5.5 Connecting an AC Output Power Cable........................40 5.6 Connecting DC Input Power Cables..........................44 5.7 (Optional) Connecting Battery Cables.......................... 48 Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 10.2 Optimizer Technical Specifications..........................99 A Grid Code..........................101 B Device Commissioning....................... 105 C Resetting Password......................108 D Rapid Shutdown......................... 111 E Locating Insulation Resistance Faults................112 F Acronyms and Abbreviations....................115 Issue 04 (2021-04-01) 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

    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 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 fire or personal injury. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 10: Installation Environment Requirements

    Ensure that the ladder is securely positioned. The recommended angle for a ladder against the floor is 75 degrees, as shown in the following figure. An angle rule can be used to measure the angle. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 11: Commissioning

    When the equipment is powered on for the first time, ensure that professional personnel set parameters correctly. Incorrect settings may result in inconsistency with local certification and affect the normal operation of the equipment. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 12: Maintenance And Replacement

    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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Product Introduction

    ● SUN2000-3.68KTL-L1 ● SUN2000-4KTL-L1 ● SUN2000-4.6KTL-L1 ● SUN2000-5KTL-L1 ● SUN2000-6KTL-L1 Figure 2-1 Model identifier (using SUN2000-5KTL-L1 as an example) Table 2-1 Identifier description Meaning Value Series name SUN2000: grid-tied solar inverter Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • 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 configuration) Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 15 (F) Residential PDU (G) Smart Power Sensor (H) Residential power (I) Power grid meter (J) Battery (K) Battery switch (L) Household load (M) FusionSolar app (N) 4G Smart Dongle (O) WLAN-FE Smart Dongle Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Component Description

    ● Note a: The DC switch locking screw is used to lock the DC switch to prevent accidental startup. It is delivered with the SUN2000. ● Note b: DC input terminals PV1 and PV2 are controlled by the DC switch. Issue 04 (2021-04-01) 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 04 (2021-04-01) 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 04 (2021-04-01) 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 21 ● If the SUN2000 detects a shutdown command or a fault, it enters Shutdown mode. ● If the SUN2000 detects that the output power of PV strings does not meet the requirements for grid-tied power generation, it enters Standby mode. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 22 Shutdown mode. ● In Shutdown mode, if the SUN2000 detects that the fault is rectified or the startup command is executed, the SUN2000 enters Standby mode. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Sun2000 Storage

    ● 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 04 (2021-04-01) 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Preparing Tools And Instruments

    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 range ≥ 600 V DC) Issue 04 (2021-04-01) 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 27 Install the SUN2000 vertically or at a maximum back tilt of 15 degrees to facilitate heat dissipation. ● Do not install the SUN2000 at forward tilted, excessive back tilted, side tilted, horizontal, or upside down positions. Figure 4-1 Installation angle Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 28 When installing multiple SUN2000s, install them in horizontal mode if sufficient space is available and install them in triangle mode if no sufficient space is available. Stacked installation is not recommended. Figure 4-3 Horizontal installation mode (recommended) Issue 04 (2021-04-01) 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 04 (2021-04-01) 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Wall-Mounted Installation

    Otherwise, the mounting bracket will not be securely installed on the wall. ● Loosen the nut, spring washer, and flat washer of the expansion bolt at the bottom. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 32 Step 6 (Optional) Install an anti-theft lock. NO TICE ● Prepare an anti-theft lock suitable for the lock hole diameter (Ф10 mm). ● An outdoor waterproof lock is recommended. ● Keep the key to the anti-theft lock. Issue 04 (2021-04-01) 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 04 (2021-04-01) 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 35 ● Prepare an anti-theft lock suitable for the lock hole diameter (Ф10 mm). ● An outdoor waterproof lock is recommended. ● Keep the key to the anti-theft lock. Figure 4-18 Installing an anti-theft lock ----End Issue 04 (2021-04-01) 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 specifications (green-and- yellow cables are only used for PE). Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 37: Preparing Cables

    ● The SUN2000 supports the input from two PV strings. Smart PV optimizer The SUN2000-450W-P Purchased from smart PV optimizer is Huawei supported. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 38 Smart Dongle Huawei ● WLAN-FE Smart Dongle: SDongleA-05 ● 4G Smart Dongle: SDongleA-03 The SUN2000 can Purchased from Smart Power Sensor connect to the DDSU666- Huawei H and DTSU666-H smart power sensors. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 250 V AC and a rated current of: ● 16 A (SUN2000-2KTL- ● 25 A (SUN2000-3KTL- L1 and SUN2000-3.68KTL-L1) ● 32 A (SUN2000-4KTL- L1, SUN2000-4.6KTL- L1, SUN2000-5KTL-L1, and SUN2000-6KTL- Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 40 0.20–0.35 – Crimping the cables on the port without combining them: 0.20–1 ● Cable outer diameter: – 4-hole rubber plug: 4–8 mm – 2-hole rubber plug: 8–11 mm Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 41: Connecting Pe Cables

    ● The PE point at the AC output port is used only as a PE equipotential point, and cannot substitute for the PE point on the enclosure. ● It is recommended that silica gel or paint be used around the ground terminal after the PE cable is connected. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 42 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 confirmation.
  • Page 43 Step 2 Connect the PE cable. NO TICE ● Ensure that the PE cable is connected securely. ● You are advised to use the right ground point and reserve the other ground point for future use. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 44: Optional) Installing A Smart Dongle

    ● When reinstalling the cover of the Smart Dongle, ensure that the buckles spring back in place with a click sound. ● 4G Smart Dongle (4G Communication) Figure 5-4 Installing a 4G Smart Dongle Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 45: 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 46: Connecting An Ac Output Power Cable

    Do not connect loads between the SUN2000 and the AC switch. The SUN2000 is integrated with a comprehensive residual current monitoring unit. Once detecting that the residual current exceeds the threshold, the SUN2000 immediately disconnects itself from the power grid. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 47 ● Ensure that AC output cable is secured. Failing to do so may cause SUN2000 malfunction or damage to its AC connector. ● Ensure that the cable is not twisted. Figure 5-7 Assembling an AC connector (three-core wire) Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 48 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. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 49 Before removing the AC connector, ensure that the DC switch at the bottom of the 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. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 50: Connecting Dc Input Power Cables

    PV string current drops to below 0.5 A. Then set the DC switch to the OFF position, remove the positive and negative connectors, and correct the polarities of the DC input power cables. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 51 SUN2000. Using incompatible positive and negative metal terminals and DC connectors may result in serious consequences. The caused device damage is not covered under any warranty or service agreement. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 ● If the PV string is configured with an optimizer, check the cable polarity by referring to the Smart PV optimizer quick guide. WARNING Before performing Step 2, ensure that the DC switch is set to OFF. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 53 DC switch to the OFF position, remove the positive and negative connectors, and correct the polarities of the DC input power cables. ----End Follow-up Procedure WARNING Before removing the positive and negative connectors, ensure that the DC switch is OFF. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 54: Optional) Connecting Battery Cables

    The battery cables should be connected correctly. That is, the positive and negative terminals of the battery connect to the positive and negative battery terminals on the SUN2000 respectively. Otherwise, the SUN2000 may be damaged, or even a fire could happen. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 55 Step 2 Insert the positive and negative connectors into corresponding battery terminals on the SUN2000. NO TICE After the positive and negative connectors snap into place, pull the battery cables back to ensure that they are connected securely. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 56: Optional) Connecting Signal Cables

    5.8 (Optional) Connecting Signal Cables Context NO TICE When laying out signal cables, separate them from power cables and keep them away from strong interference sources to prevent communication interruption. Figure 5-18 Signal cable ports Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 57 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. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 58 The smart power sensor and Smart Dongle must be connected to the same SUN2000. ● Single SUN2000 scenarios Figure 5-19 Single SUN2000 Figure 5-20 Connecting cables to the smart power sensor (single SUN2000) ● SUN2000 cascading scenarios – In-phase grid connection Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 SUN2000-(2KTL-6KTL)-L1 User Manual 5 Electrical Connection Figure 5-21 In-phase grid connection Figure 5-22 Connecting cables to the smart power sensor (in-phase grid connection) – Balanced three-phase grid connection Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 60 ● Only one LG battery is supported, and the LG battery must be connected to the inverter equipped with the Smart Dongle. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 61 ● If multiple signal cables need to be connected to a single connector, ensure that the outer diameters of the signal cables are the same. Figure 5-25 Crimping two signal cables Figure 5-26 Crimping three signal cables Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 62 Figure 5-27 Assembling a signal connector (single SUN2000) 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. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 63 SUN2000-(2KTL-6KTL)-L1 User Manual 5 Electrical Connection Figure 5-29 Securing a signal connector ----End Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 64: 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 65: System Power-On

    Step 5 Turn on the DC switch at the bottom of the SUN2000. Step 6 Observe the LEDs to check the SUN2000 operating status. Table 6-2 LED indicators 1 Category Status Description Running indicator LED1 LED2 – Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 66 Blinking red at short There is an AC intervals (on for 0.2s environmental alarm, and then off for 0.2s) such as an alarm indicating Grid Undervoltage, Grid Overvoltage, Grid Overfrequency, or Grid Underfrequency. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 68: Man-Machine Interaction

    ● The mobile number or email address used for registration is the user name for logging in to the FusionSolar app. Create the first installer account and create a domain named after the company name. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 69 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 70: Creating A Pv Plant And A User

    ● For details about the physical layout of smart PV optimizers, see Quick Guide . During the FusionSolar app upgrade, scan the QR code to download the corresponding quick guide according to the downloaded app version. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 71 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 72 – 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 73: 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 74 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 76 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 77: 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 79 ● If this parameter is set to 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 80 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 81: Afci

    Function If PV modules or cables are not properly connected or damaged, electric arcs may occur, which may cause fire. Huawei SUN2000s provide unique arc detection in compliance with UL 1699B-2018 to ensure the safety of users' lives and property.
  • Page 82 Log in to the FusionSolar Smart PV Management System using a non-owner account, choose Intelligent O&M > Alarm Management, select the DC arc fault alarm, and click Clear to clear the alarm. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 83: Ips Check (For Italy Cei0-21 Grid Code Only)

    Step 1 On the home screen, choose Maintenance > IPS test to access the IPS test screen. Step 2 Tap Start to start an IPS test. The SUN2000 detects maximum voltage over 10 min (59.S1), maximum overvoltage (59.S2), minimum undervoltage (27.S1), minimum Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 84 (0.15 Vn), and the default protection time threshold is 0.2s. (27.S2) Maximum The default overfrequency protection threshold is 50.2 Hz, overfrequency and the default protection time threshold is 0.1s. (81.S1) Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 85: Drm (Australia As4777)

    (DRM), and DRM0 is a mandatory requirement. This function is disabled by default. Figure 7-21 Wiring diagram for the DRM function NO TE The demand response enabling device (DRED) is a power grid dispatch device. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 86 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 Figure 7-22 DRM ----End Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 87: System Maintenance

    Figure 8-1 Installing a locking screw for the DC switch Step 5 Turn off the DC switch between the SUN2000 and PV strings. Step 6 (Optional) Turn off the battery switch between the SUN2000 and batteries. ----End Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 88: Routine Maintenance

    The first 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 defined as follows: Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 89 ● 1: The AFCI check circuit after 5 minutes. If the fault is abnormal. persists, contact your ● 2: The AFCI circuit is dealer or Huawei technical faulty. support. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 90 (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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 91 3. Check whether the peak voltage of the power grid is too high. If the fault persists and cannot be rectified for a long time, contact the power operator. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 92 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 93 SUN2000 output current After the fault is exceeds the specified upper rectified, the SUN2000 threshold. automatically recovers. 2. If the alarm occurs frequently, contact your dealer or Huawei technical support. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 94 The short circuit position is valid for a single PV string. If there are multiple PV strings, check the PV strings one by one. For details, see E Locating Insulation Resistance Faults. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 ● The SUN2000 is not improve the ventilation working properly. and heat dissipation. ● If the ventilation and ambient temperature both meet requirements, contact your dealer or Huawei technical support. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 96 ● 9: The grid-tied relay is abnormal. ● 10: The DC bus experiences overvoltage. ● 11: The DC bus experiences undervoltage. ● 12: The DC bus experiences voltage imbalance. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 97 SUN2000 RS485 configurations. 3. Check whether the smart power sensor is powered on and whether the RS485 communications cable is connected. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 98 Cause ID = 1/2 1. Check whether the overload device output is short- The output is overloaded or circuited. short-circuited. 2. Check whether the device load configuration exceeds the rated value. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 99 2. Check whether the the PV string voltage optimizer output exceeds the inverter extension cable is input voltage correct (positive specifications. connector at one end and negative connector at the other). Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 100 4. If the alarm persists, contact your dealer or Huawei technical support. NO TE Contact your dealer if all failure analysis procedures listed above are completed and the fault still exists. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 101: 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 102: Technical Parameters

    ● No battery connected: 18 A circuit current (per ● LG-RESU battery connected: 15 A MPPT) Operating voltage ● No battery connected: 80–600 V range ● LG-RESU battery connected: 350–450 V Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 103 VA for the AS4777 grid code. ● Note c: The maximum apparent power is 4999 VA for the AS4777 grid code. ● Note d: The maximum output current is 21.7 A of the AS4777 grid code. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 104 SUN200 Specifications 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 105: Optimizer Technical Specifications

    99.5% European weighted 99.0% efficiency Input Technical Specifications 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 106 –40°C to +85°C Storage temperature –40°C to +70°C Operating humidity 0–100% RH Maximum operating altitude 4000 m IP rating IP68 Installation mode ● PV module support installation ● PV module frame installation Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 107: 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 108 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 109 Support Support Support Support Support Support Kong LV power grid DUBAI DUBAI LV Support Support Support Support Support Support power grid Island- Island- Support Support Support Support Support Support Grid Grid Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 110 0-4.6KT 0-5KTL- 0-6KTL- TL-L1 L-L1 Regiona l Grid Code DANMA Denmark Support Support Support Support Support Support EN5054 9-DK1- LV230 DANMA Denmark Support Support Support Support Support Support EN5054 9-DK2- LV230 Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 111: 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 112 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 113 ● 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. Figure B-3 Quick settings ----End Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 114: 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 115 Figure C-2 Setting router parameters ● Setting management system parameters Log in to the FusionSolar app, choose Device Commissioning > Settings > Communication configuration > Management System Configuration, and set management system parameters. Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 116 (Optional) Resetting the WLAN password Log in to the FusionSolar app, choose Device Commissioning > Settings > Communication configuration > Inverter WLAN settings, and reset the WLAN password. Figure C-4 Resetting the WLAN password ----End Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 117: D Rapid Shutdown

    Method 2: Turn off the DC switch at the bottom of the SUN2000. (If an extra DC switch is connected to the input side of the SUN2000, turning off this DC switch will not trigger rapid shutdown.) Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 118: 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 119 – 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 Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 120 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 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

  • Page 121: F Acronyms And Abbreviations

    HVRT high voltage ride-through identifier light emitting diode LVRT low voltage ride-through Media Access Control MPPT maximum power point tracking protective earthing Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.
  • Page 122 SUN2000-(2KTL-6KTL)-L1 User Manual F Acronyms and Abbreviations photovoltaic RCMU residual current monitoring unit relative humidity serial number Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd.

This manual is also suitable for:

Sun2000-3ktl-l1Sun2000-3.68ktl-l1Sun2000-4ktl-l1Sun2000-4.6ktl-l1Sun2000-5ktl-l1Sun2000-6ktl-l1

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