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Huawei SUN2000-8K-LC0 Series User Manual
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Huawei SUN2000-8K-LC0 Series User Manual

Huawei SUN2000-8K-LC0 Series User Manual

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SUN2000-(8K, 10K)-LC0 Series
User Manual
Issue
01
Date
2023-09-15
HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-8K-LC0 Series

  • Page 1 SUN2000-(8K, 10K)-LC0 Series User Manual Issue Date 2023-09-15 HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
  • Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei Digital Power Technologies Co., Ltd. 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 hazard with a medium level of risk which, if not avoided, could result in death or serious injury. Indicates a hazard with a low level of risk which, if not avoided, could result in minor or moderate injury. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 4 Change History Changes between document issues are cumulative. The latest document issue contains all the changes made in earlier issues. Issue 01 (2023-09-15) This issue is the first official release. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 5: Table Of Contents

    5 Electrical Connections......................37 5.1 Precautions....................................37 5.2 Preparing Cables................................... 38 5.3 Connecting a PE Cable................................ 42 5.4 Connecting an AC Output Power Cable........................44 5.5 Connecting DC Input Power Cables..........................48 Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 6 C Connecting the EMMA on the App.................119 D Baud Rate Negotiation..................... 123 E Resetting Password......................127 F Contact Information......................128 G Digital Power Customer Service..................130 H Preconfigured Certificate Disclaimer................131 Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 7 SUN2000-(8K, 10K)-LC0 Series User Manual Contents I Acronyms and Abbreviations.....................132 Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 8: Safety Information

    ● The equipment is operated beyond the conditions specified in this document. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 9: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 10 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 11: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 12 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 13: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 14 Do not install the equipment in an area conducive to 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 15: Mechanical Safety

    Equipment with scratches must not be exposed for an extended period of time. ● Do not perform operations such as arc welding and cutting on the equipment without evaluation by the Company. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 16 When moving the equipment, assign dedicated personnel to take care of it. ● Choose sea, roads in good conditions, or airplanes for transportation. Do not transport the equipment by railway. Avoid tilt or jolt during transportation. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 17 ● 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 18 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 19 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 20: Overview

    Description Series name SUN2000: grid-tied solar inverter Power ● 8K: rated power of 8 kW ● 10K: rated power of 10 kW Design code LC0: residential Region ZH: China Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 21: Networking

    ● In the inverter cascading scenario, the inverters are both SUN2000-(8K, 10K)-LC0, and a maximum of three inverters can be cascaded. ● In the inverter cascading scenario, the inverters connected to the power grid must meet the local power grid requirements. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 22 (F) Power grid (G) 4G Smart Dongle (H) WLAN-FE Smart (I) Router Dongle (J) FusionSolar (K) FusionSolar app (L) Load management system (M) Optimizer (N) LUNA2000 (O) SUN2000 (Slave inverter) Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 23 (H) AC power (J) Non-backup load distribution units (K) Residual current (L) Backup load (M) Router devices (RCDs) (N) FusionSolar app (O) FusionSolar Smart (P) LUNA2000 PV Management System (SmartPVMS) Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 24 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 2-5 Power grid types Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 25: Appearance

    (10) DC input terminal (PV2+/PV2–) (11) DC input terminal (PV3+/PV3–) (12) Battery terminal (BAT+/BAT–) (13) Smart Dongle port (4G/FE) (14) Communications port (COM) (15) Antenna port (ANT) (16) Fan Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 26: Working Modes

    ● The SUN2000 continuously performs status check and enters the Operating mode once the operating requirements are met. ● The SUN2000 enters Shutdown mode after detecting a shutdown command or a fault after startup. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 27: Label Description

    Burn warning Do not touch the inverter when it is running because its enclosure is hot. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 28 WiFi connect to the connection Huawei inverter WiFi. Product Nameplate The nameplate contains the trademark, product model, important technical specifications, compliance symbols, company name, and place of origin. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 29: Rapid Shutdown

    10 ● Method 4: If AFCI is enabled, the inverter automatically performs arc fault detection and triggers a rapid shutdown when AFCI lock protection is implemented. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 30: Storage Requirements

    ● If inverters have been stored for two years or longer, they must be checked and tested by professionals before being put into use. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 31: Installation

    Keep the inverter out of reach of children. ● The inverter will be corroded in salt areas, and the salt corrosion may cause fire. Do not install the inverter outdoors in salt areas. A salt-affected area Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 32: Clearance Requirements

    Figure 4-1 Mounting bracket dimensions ● Reserve enough clearances around the inverter to ensure sufficient space for installation and heat dissipation. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 33 Stacked installation is not recommended. Figure 4-3 Horizontal installation mode (recommended) Figure 4-4 Triangle installation mode (recommended) Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 34: Angle Requirements

    Figure 4-5 Installation angle 4.3 Tools Type Tool Instal lation tools Hammer drill Flat-head Phillips Hex insulated insulated torque insulated torque torque Drill bit: Ф8 screwdriver screwdriver screwdriver mm, Ф6 mm Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 35 Cable cutter Multimeter Vacuum cleaner Model: PV- DC voltage CZM-22100/191 measurement range ≥ 1100 V Manufacturer: Staubli Marker Steel measuring Digital or Cord end terminal tape bubble level crimping tool Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 36: Checking Before Installation

    You are advised to remove the packing materials within 24 hours before installing the inverter. Package Contents NO TICE ● After placing the equipment in the installation position, unpack it with care to prevent scratches. Keep the equipment stable during unpacking. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 37: Moving The Inverter

    Step 1 Determine the positions for drilling holes using the marking-off template, level the holes using a level, and mark the positions using a marker. Step 2 Secure the mounting bracket. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 38 Otherwise, the mounting bracket will not be securely installed on the concrete wall. ● Loosen the nut, spring washer, and flat washer of the expansion bolt at the bottom. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 39 Figure 4-9 Installing the DC switch locking screw Step 4 Install the inverter on the mounting bracket. Step 5 Tighten the nuts. Figure 4-10 Tightening nuts Step 6 (Optional) Install an anti-theft lock. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 40: Installing The Inverter On A Support

    4.7 Installing the Inverter on a Support Step 1 Determine the positions for drilling holes using the marking-off template, and then mark the positions with a marker. Figure 4-12 Determining hole positions Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 41 Figure 4-13 Drilling holes Step 3 Secure the mounting bracket. Figure 4-14 Securing the mounting bracket NO TE Prepare bolt assemblies based on the hole diameter of the mounting bracket. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 42 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 43 SUN2000-(8K, 10K)-LC0 Series User Manual 4 Installation Figure 4-17 Installing an anti-theft lock ----End Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 44: Electrical Connections

    ● Operation personnel must wear PPE when connecting cables. ● Before connecting cables to ports, leave enough slack to reduce the tension on the cables and prevent poor cable connections. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 45: Preparing Cables

    Table 5-1 Component description Component Description Source PV module ● A PV string consists of PV Prepared by the modules connected in series. customer ● The inverter supports three PV string inputs. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 46 SmartGuard-63A-AUS0. SUN2000 In the inverter cascading Purchased from scenario, the master and slave Huawei inverters are both SUN2000-(8K, 10K)-LC0, and a maximum of three inverters can be cascaded. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 47 Note [7]: For details about how to operate an EMMA, see EMMA-(A01, A02) Quick Guide. Note [8]: For details about how to operate a SmartGuard, see SmartGuard-63A-(S0, AUS0) Quick Guide. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 48 PE) outdoor copper – 10K inverter: 10 cable ● Cable outer diameter: 16–21 PE cable Single-core outdoor Prepare 10 mm copper cable and M6 OT d by terminal custom Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 49: Connecting A Pe Cable

    ● According to IEC 62109, to ensure the safe operation of the inverter in the case of PE cable damage or disconnection, properly connect the PE cable of Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 50 ● Wrap the wire crimping area with heat shrink tubing or insulation tape. The heat shrink tubing is used as an example. ● Use a heat gun carefully to avoid heat damage to the equipment. Figure 5-2 Crimping an OT terminal Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 51: Connecting An Ac Output Power Cable

    The inverter is installed with an integrated monitoring unit for residual current. When the inverter detects that residual current exceeds the permitted value, it disconnects from the power grid quickly. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 52 Tighten the cable conductors to a torque of 2.8–3.2 N·m. Otherwise, the device may fail to run properly or be damaged during operation. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 53 The cable colors shown in the figures are for reference only. Select an appropriate cable according to the local standards. Step 2 Connect the AC connector to the AC output port. NO TICE Ensure that the AC connector is connected securely. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 54 Figure 5-5 Securing the AC connector Step 3 Check the route of the AC output power cable. Figure 5-6 Cabling requirements ----End Disconnection Perform the steps in reverse order to disconnect the cable. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 55: Connecting Dc Input Power Cables

    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. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 56 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 57 Before performing Step 2, ensure that the DC SWITCH is set to OFF. Step 2 Insert the positive and negative connectors into corresponding DC input terminals on the inverter. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 58 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. ----End Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 59: Optional) Connecting Battery Cables

    A battery switch can be configured between the SUN2000 and the battery to ensure that the SUN2000 can be safely disconnected from the battery. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 60 Step 2 Insert the positive and negative connectors into corresponding battery terminals of the inverter. NO TICE After the positive and negative connectors snap into place, pull the battery cables back to ensure that they are connected securely. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 61: Connecting Signal Cables

    ● If the Smart Dongle is configured, you are advised to install the Smart Dongle before connecting the signal cable. Figure 5-13 Pin definitions Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 62 Used to connect to the GND of the enable signal/DI1/DI2 of the battery. Shield layer grounding Communication Networking Mode ● Smart Dongle networking Figure 5-14 Smart Dongle networking (the components in the dashed box are optional) Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 63 ● 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 5-16 Crimping two signal cables Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 64: Connecting Rs485 Communications Cables (Inverter Cascading)

    COM port, as shown in the following figure. Figure 5-17 Installing the connector block 5.7.1 Connecting RS485 Communications Cables (Inverter Cascading) Procedure Step 1 Connect the signal cable to the signal cable connector block. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 65 SUN2000-(8K, 10K)-LC0 Series User Manual 5 Electrical Connections Figure 5-18 Installing the cable Step 2 Connect the signal cable connector to the COM port. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 66: Connecting Rs485 Communications Cables (Emma And Battery)

    Figure 5-19 Securing the signal cable connector ----End 5.7.2 Connecting RS485 Communications Cables (EMMA and Battery) Cable Connections The following figure shows the cable connections between the inverter and the EMMA. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 67 5 Electrical Connections Figure 5-20 Connecting cables to the EMMA Procedure Step 1 Connect the signal cable to the signal cable connector block. ● Connecting the inverter to the EMMA Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 68 Figure 5-21 Installing the cable (connecting to the EMMA) ● Connecting the EMMA and battery to the inverter Figure 5-22 Installing cables (connecting to the EMMA and battery) Table 5-3 Cable connections Cable Definition 485B1 EMMA 485B1 Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 69: Connecting Rs485 Communications Cables (Smartguard And Battery)

    Figure 5-23 Securing the signal cable connector ----End 5.7.3 Connecting RS485 Communications Cables (SmartGuard and Battery) Cable Connections The following figure shows the cable connections between the inverter and the SmartGuard. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 70 5 Electrical Connections Figure 5-24 Connecting cables to the SmartGuard Procedure Step 1 Connect the signal cable to the signal cable connector block. ● Connecting the inverter to the SmartGuard Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 71 Figure 5-25 Installing the cable (connecting to the SmartGuard) ● Connecting the inverter to the SmartGuard and battery Figure 5-26 Installing cables Table 5-4 Cable connections Cable Definit 485B1 SmartGuard COM-2 RS485B1_INV Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 72 DO_INV_CGND COM-3 DO_INV 485B2 Battery 485B 485A2 485A Enable- Enable+ Step 2 Connect the signal cable connector to the COM port. Figure 5-27 Securing the signal cable connector ----End Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 73: Connecting Rs485 Communications Cables (Power Meter And Battery)

    ● The preceding networking uses DDSU666-H as an example. Cable connections for other meter models may vary. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 74 Figure 5-29 Installing the cable (connecting to the power meter) ● Connecting the power meter and battery to the inverter Figure 5-30 Installing cables (connecting to the power meter and battery) Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 75: Connecting Rapid Shutdown Signal Cables

    Step 2 Connect the signal cable connector to the COM port. Figure 5-31 Securing the signal cable connector ----End 5.7.5 Connecting Rapid Shutdown Signal Cables Procedure Step 1 Connect the signal cable to the signal cable connector block. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 76 ● Connect terminals 5 and 7 to a switch. The switch is turned on by default. When the switch is turned off, a rapid shutdown is triggered. Figure 5-32 Installing the cable Step 2 Connect the signal cable connector to the COM port. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 77: Optional) Installing The Smart Dongle And Anti-Theft Components

    WLAN-FE Smart Dongle (FE Communication) You are advised to use a CAT 5E outdoor shielded network cable (outer diameter < 9 mm; internal resistance ≤ 1.5 ohms/10 m) and shielded RJ45 connectors. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 78 ● When removing the SIM card, push it inwards to eject it. ● When reinstalling the cover of the Smart Dongle, ensure that the buckles spring back in place with a click sound. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 79: Optional) Installing An Antenna

    Step 1 Remove the watertight cap from the ANT port. Step 2 Install the washer to the ANT port on the device. Step 3 Install the WLAN antenna. NO TICE Ensure that the WLAN antenna is installed securely. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 80 SUN2000-(8K, 10K)-LC0 Series User Manual 5 Electrical Connections Figure 5-38 Installing a WLAN antenna ----End Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 81: Check Before Power-On

    Unused terminals and ports Unused terminals and ports are locked by watertight caps. Installation environment The installation space is proper, and the installation environment is clean and tidy, without foreign matter. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 82: Power-On And Commissioning

    If the voltage is not in the allowed range, check the circuits. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 83 Blinking red fast (on for 0.2s There is an AC environmental and off for 0.2s) alarm, such as Grid Undervoltage, Grid Overvoltage, Grid Overfrequency, or Grid Underfrequency. Steady red Steady red A fault exists. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 84: Creating A Plant

    7.2 Creating a Plant 7.2.1 Downloading the FusionSolar App Method 1: Download and install the app from the app store. ● Huawei mobile phone users: Search for FusionSolar in Huawei AppGallery. ● iPhone users: Search for FusionSolar in the App Store. ●...

  • Page 85: Installer Registration

    Users who select method 2 can select the download method based on the mobile phone type. ● Huawei mobile phone users: Download from Huawei AppGallery. ● Non-Huawei phone users: Download on a browser. When you select Download via the Browser, if a security warning message is displayed indicating that the app is from an external source, tap ALLOW.
  • Page 86 If the company requires multiple installer accounts, log in to the FusionSolar app and tap Add user to create another installer account. Figure 7-2 Creating multiple installer accounts for the same company Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 87: Creating A Plant And An Owner Account

    7.2.3 Creating a Plant and an Owner Account Smart Dongle Networking NO TE For details about new plant deployment, see the FusionSolar App Quick Guide or scan the QR code. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 88 FusionSolar App Quick Guide (EMMA). If the charger connects to the router through WLAN, you need to log in to the charger to set the WLAN information before deploying the EMMA. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 89: Setting Functions And Features Through Device Commissioning

    For details about the commissioning portal when the EMMA networking is used, see C Connecting the EMMA on the App. 7.3.1 Setting Common Parameters Set common parameters based on the devices connected to the plant. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 90: Optional) Setting The Physical Layout Of The Smart Pv Optimizers

    PV module based on the physical layout to rectify the fault. If a PV module without an optimizer is faulty, you need to check the PV Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 91: 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 92 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 93: Drm (Australia As 4777)

    According to Australia AS 4777.2-2015, inverters need to support the function of demand response modes (DRM), and DRM0 is a mandatory requirement. This function is disabled by default. Figure 7-7 Wiring diagram for the DRM function Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 94: Viewing The Plant Creation Status

    7.4 Viewing the Plant Creation Status The FusionSolar app provides an overview of plants. You can view the plant running status, energy yield and consumption, revenue, and energy flow diagram in real time. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 95 Log in to the app, tap Home, and tap Plants. This screen displays the real-time running status and basic information of all plants managed by the user by default. Figure 7-9 Viewing the plant creation status Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 96: System Maintenance

    Table 8-1 Maintenance checklist Check Item Check Method Maintenance Interval System Check periodically whether the heat Once every 6 to 12 cleanliness sinks are blocked or dirty. months Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 97 6 months after the reliability connected. first commissioning and once every 6 to 12 months after that Sealing Check whether all terminals and ports Once a year are properly sealed. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 98: System Power-Off

    Minor: Some components of the inverter are faulty but the system can still connect to the grid and generate power. ● Warning: The inverter functions normally, but its output power decreases due to external factors. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 99 (String-level precise detection) ● Cause ID 1: PV string 1 ● Cause ID 2: PV string 2 ● Cause ID 3: PV string 3 Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 100 2. Check whether the AC circuit experiences an outage. is disconnected or the AC circuit breaker is OFF. ● The AC circuit is disconnected or the AC circuit breaker is OFF. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 101 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 102 2. If the alarm occurs frequently, check whether the power grid frequency is within the allowed range. If no, contact the local power operator. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 103 2. If the alarm occurs frequently or persists, check whether the impedance between the PV string and the ground is too low. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 104 ● If the ventilation and ambient ● The device is not temperature both meet working properly. requirements, contact your dealer or technical support. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 105 ● 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 106 RS485 configurations. 3. Check whether the smart power sensor is powered on and whether the RS485 communications cable is connected. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 107 ● The irradiance or battery level is low. 3. If the irradiance or battery level is low, remove some loads. 4. After the preceding problems are resolved, manually clear the alarm. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 108 PV string voltage again. exceeds the device input ● ID8: When the sunlight is voltage specifications. normal, perform the ● 12: optimizer search function again. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 109 Cause ID = 1 1. View the fault details on the r Fault optimizer information page. An optimizer is faulty. 2. Contact your dealer or technical support to replace the optimizer. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 110: Replacing An Inverter

    AC output power cables, and PE cables. Remove the WLAN antenna or Smart Dongle from the inverter. Remove the inverter from the mounting bracket. Remove the mounting bracket. Step 2 Pack the inverter. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 111: Replacing A Fan

    ----End 8.6 Locating Insulation Resistance Faults If the ground resistance of a PV string connected to the SUN2000 is too low, the SUN2000 generates a Low insulation resistance alarm. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 112 Conditions not met. Perform the following steps to connect PV strings to the inverter one by one to locate the fault. If the system is not configured with any optimizer, skip the corresponding optimizer operations. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 113 If the Low insulation resistance alarm is reported 1 minute after the DC side is powered on, the fault did not occur on the disconnected PV module and optimizer. Go to Step Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 114 PV strings one by one. Then, go to Step Step 8 Set DC SWITCH to ON. If the inverter status is Shutdown: Command, choose Maintenance > Inverter ON/OFF, and send a startup command. ----End Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 115: Technical Specifications

    15,000 W 12,000 W 15,000 W d maximum input DC power Maximum 600 V input voltage Maximum 16 A input current per MPPT Maximum 20 A short-circuit current per MPPT Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 116 SUN2000-10 SUN2000-8K- SUN2000-10 Specification K-LC0 LC0-ZH K-LC0-ZH Rated output 8000 W 10,000 W 8000 W 10,000 W power Maximum 8800 VA 10,000 VA 8800 VA 10,000 VA apparent power Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 117 < 0.25% of the rated output component (DCI) Maximum ≤ 3% (rated conditions) total harmonic distortion (AC THDi) Protection Technical SUN2000-8K- SUN2000-10 SUN2000-8K- SUN2000-10 Specification K-LC0 LC0-ZH K-LC0-ZH Overvoltage DC II/AC III category Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 118 Supported Residual Supported current monitoring unit (RCMU) Display and Communication Technical SUN2000-8K- SUN2000-10 SUN2000-8K- SUN2000-10 Specification K-LC0 LC0-ZH K-LC0-ZH Display LED indicators WLAN-FE Optional Dongle 4G Smart Optional Dongle Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 119 Free cooling Smart air cooling cooling Maximum 4000 m (derated when the altitude is greater than 2000 m) operating altitude Storage –40°C to +70°C temperature IP rating IP66 Topology Transformerless Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 120: A Grid Codes

    Luxembourg, Türkiye, Slovakia, Ireland, Norway, Portugal, and Hungary EN50549-SE Sweden low-voltage Supported Supported power grid ANRE Romania power grid Supported Supported ABNT NBR 16149 Brazil power grid Supported Supported Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 121 Supported grid-connection (50 Hz) IEC 61727 - 60 Hz IEC 61727 low-voltage Supported Supported grid-connection (60 Hz) Custom (50 Hz) Reserved Supported Supported Custom (60 Hz) Reserved Supported Supported Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 122 B Connecting the Inverter on the App Connecting the Inverter on the App Step 1 Access the Commission Device screen. Figure B-1 Method 1: before login (not connected to the Internet) Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 123 B Connecting the Inverter on the App Figure B-2 Method 2: after login (connected to the Internet) Step 2 Connect to the inverter WLAN, log in as Installer, and access the device commissioning screen. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 124 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 125: B Connecting The Inverter On The App

    WLAN, tap CONNECT. Otherwise, you cannot log in to the system. The actual UI and messages may vary with mobile phones. ----End Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 126 C Connecting the EMMA on the App Connecting the EMMA on the App Step 1 Access the Commission Device screen. Figure C-1 Method 1: before login (not connected to the Internet) Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 127 C Connecting the EMMA on the App Figure C-2 Method 2: after login (connected to the Internet) Step 2 Connect to the EMMA WLAN, log in as Installer, and access the device commissioning screen. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 128 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 129: C Connecting The Emma On The App

    WLAN, tap CONNECT. Otherwise, you cannot log in to the system. The actual UI and messages may vary with mobile phones. ----End Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 130: D Baud Rate Negotiation

    RS485_2 device RS485 > Baud Rate Negotiation > (such as a RS485_2 > Baud Rate Negotiation, battery or power and tap 9600 and Negotiate a meter) higher rate. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 131 QR code to connect to the inverter. 2. Access the Communication configuration screen, choose RS485 > Baud Rate Negotiation > RS485_1 > Baud Rate Negotiation, and tap 9600 and Negotiate a higher rate. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 132 RS485 > Baud Rate Negotiation > RS485_2 > Baud Rate Negotiation, and tap 9600 and Negotiate a higher rate. Troubleshooting If manual baud rate negotiation fails, refer to the following troubleshooting measures. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 133 In this case, you only need to tap 9600. 6. If the fault persists, contact your vendor. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 134: E Resetting Password

    (PSW), which can be obtained from the label on the side of the inverter. On the login screen, set a new password and log in to the app. Step 4 Set router and management system parameters to implement remote management. ----End Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 135: F Contact Information

    To ensure faster and better services, we kindly request your assistance in providing the following information: ● Model ● Serial number (SN) ● Software version ● Alarm ID or name ● Brief description of the fault symptom Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 136 SUN2000-(8K, 10K)-LC0 Series User Manual F Contact Information 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 137: G Digital Power Customer Service

    SUN2000-(8K, 10K)-LC0 Series User Manual G Digital Power Customer Service Digital Power Customer Service https://digitalpower.huawei.com/robotchat/ Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 138: H Preconfigured Certificate Disclaimer

    Preconfigured Huawei-issued certificates are used only in the deployment phase, for establishing initial security channels between devices and the customer's network. Huawei does not promise or guarantee the security of preconfigured certificates. The customer shall bear consequences of all security risks and security incidents involved in using preconfigured Huawei-issued certificates as service certificates.
  • Page 139 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 140 SUN2000-(8K, 10K)-LC0 Series User Manual I Acronyms and Abbreviations photovoltaic RCMU residual current monitoring unit relative humidity serial number Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

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