Huawei SUN2000-12K-MB0 User Manual
Huawei SUN2000-12K-MB0 User Manual

Huawei SUN2000-12K-MB0 User Manual

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SUN2000-(12K-25K)-MB0 Series
User Manual
Issue
16
Date
2025-07-01
HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-12K-MB0

  • Page 1 SUN2000-(12K-25K)-MB0 Series User Manual Issue Date 2025-07-01 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

    The symbols that may be found in this document are defined as follows. Symbol Description Indicates a hazard with a high level of risk which, if not avoided, will result in death or serious injury. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 4: Change History

    7.3.4 Limit on Power Purchased from Grid. Issue 14 (2025-04-10) Updated 5.2 Preparing Cables. Issue 13 (2025-01-10) ● Updated 2.2 Networking Application. ● Updated 5.2 Preparing Cables. ● Updated 5.7 Connecting Signal Cables. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 5 Cables. Issue 07 (2024-03-30) Updated 8.5 Replacing a Fan. Issue 06 (2024-02-05) Updated 2.2 Networking Application. Issue 05 (2024-01-12) ● Updated 2.2 Networking Application. ● Updated 5.2 Preparing Cables. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 6 App. Updated 7.4 Viewing the Plant Creation Status. Added 5.6 (Optional) Connecting Battery Cables. Added 5.7.3 Connecting RS485 Communications Cables (Power Meter and Battery). Added 7.5 SmartLogger Networking Scenario. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 7 SUN2000-(12K-25K)-MB0 Series User Manual About This Document Issue 01 (2023-04-30) This issue is used for first office application (FOA). Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 8: Table Of Contents

    5.2 Preparing Cables................................... 41 5.3 Connecting a PE Cable................................ 45 5.4 Connecting an AC Output Power Cable........................47 5.5 Connecting DC Input Power Cables..........................51 5.6 (Optional) Connecting Battery Cables.......................... 55 Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 9 7.5 SmartLogger Networking Scenario..........................102 8 System Maintenance......................103 8.1 Routine Maintenance................................ 103 8.2 System Power-Off................................105 8.3 Troubleshooting.................................. 105 8.4 Replacing an Inverter................................ 105 8.5 Replacing a Fan................................... 106 Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd. viii...
  • Page 10 H Digital Power Customer Service..................149 I Certificate Management and Maintenance..............150 I.1 Initial Certificate Risk Disclaimer........................... 150 I.2 Application Scenarios of initial Certificates........................ 151 J Acronyms and Abbreviations.................... 152 Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 11: Safety Information

    ● The equipment is operated beyond the conditions specified in this document. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 12: Personal Safety

    D ANGER During operations, use dedicated insulated tools to prevent electric shocks or short circuits. The dielectric withstanding voltage level must comply with local laws, regulations, standards, and specifications. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 13: General Requirements

    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 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 14: Electrical Safety

    WARNING For the equipment that needs to be grounded, install the ground cable first when installing the equipment and remove the ground cable last when removing the equipment. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 15 ● Before maintaining a downstream electrical or power distribution device, turn off the output switch on the power supply equipment. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 16: Cabling Requirements

    ● When routing cables, reserve at least 30 mm clearance between the cables and heat-generating components or areas. This prevents deterioration or damage to the cable insulation layer. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 17: Environment Requirements

    Otherwise, its performance and safety will be compromised. ● The operating temperature range provided in the equipment's technical specifications refers to the ambient temperatures in equipment's installation environment. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 18: Mechanical Safety

    Do not use tools that have signs of scratches or fail to pass the inspection or whose inspection validity period has expired. Ensure that the tools are secure and not overloaded. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 19 Move a heavy object stably with balanced force at an even and low speed. Put down the object stably and slowly to prevent any collision or drop from scratching the surface of the equipment or damaging the components and cables. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 20: Using Ladders

    If a single ladder is used, the recommended angle for the ladder against the floor is 75 degrees, as shown in the following figure. A square can be used to measure the angle. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 21 Do not drag steel ropes and hoisting tools or bump the hoisted objects against hard objects during hoisting. ● Ensure that the angle between two hoisting ropes is no more than 90 degrees, as shown in the following figure. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 22: Drilling Holes

    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 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 23: Overview

    SUN2000-17K-MB0-ZH ● SUN2000-20K-MB0-ZH ● SUN2000-25K-MB0-ZH Figure 2-1 Model number (using SUN2000-15K-MB0-ZH as an example) Table 2-1 Model number description Item Description Series name SUN2000: three-phase grid-tied PV string inverter Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 24: Networking Application

    The SUN2000 applies to residential rooftop grid-tied systems and small-sized ground grid-tied PV plants. The system consists of PV strings, grid-tied inverters, AC switches, and power distribution units (PDUs). Smart Dongle networking Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 25 MB0 can connect to a maximum of four batteries (each battery terminal can connect to a maximum of two batteries). In the Smart Dongle networking scenario, a maximum of three inverters and six batteries can be connected Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 26 (C) AC switch (D) AC PDU (E) EMMA (F) Power grid (G) Battery (H) Optimizer (I) Slave devices (J) Router (K) FusionSolar (L) FusionSolar app management system (M) Load Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 27 Residential Smart PV Solution Quick Guide (Three-Phase PV+ESS Scenario + EMMA Networking). SmartGuard networking Figure 2-4 Networking with all loads connected to the SmartGuard (the components in dashed boxes are optional) Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 28 ● For details about SmartGuard networking, see Residential Smart PV Solution Quick Guide (Three-Phase PV+ESS Scenario + SmartGuard Networking) Residential Smart PV Solution User Manual (EMMA Networking & SmartGuard Networking). SmartLogger networking Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 29 (E) Smart power sensor (F) Power grid (G) SmartLogger 3000 (H) Router (I) FusionSolar management system (J) FusionSolar app (K) Load (L) Optimizer (M) Battery (N) SUN2000 (Slave devices) Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 30 To connect the inverter to four batteries, refer to the following figure. NO TE Each battery terminal can connect to a maximum of two batteries. Figure 2-8 Connecting the inverter to four batteries Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 31 ● In a TT power grid, the N-PE voltage should be lower than 30 V. ● In an IT power grid, you need to set isolation settings to input not grounded, with a transformer. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 32: Appearance

    (8) Battery terminals (BAT2+ and BAT2–) (9) Battery terminals (BAT1+ and (10) DC input terminals (PV4+ and BAT1–) PV4–) (11) DC input terminals (PV3+ and (12) DC input terminals (PV2+ and PV3–) PV2–) Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 33: Indicator Description

    Low Insulation Resistance. Blinking red fast There is an AC environmental alarm, such as Grid Undervoltage, Grid Overvoltage, Grid Overfrequency, or Grid Underfrequency. Steady red Steady red A fault exists. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 34: Working Modes

    Steady red The inverter hardware is indication faulty and needs to be replaced. 2.4 Working Modes The inverter can work in Standby, Operating, or Shutdown mode. Figure 2-11 Working modes Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 35: Label Description

    Enclosure Labels Symbol Name Meaning Delayed discharge Residual voltage exists after the inverter is powered off. It takes 5 minutes for the inverter to discharge to the safe voltage. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 36 AC output connector when the inverter is running. Weight The inverter is heavy and needs to be carried by two persons. Serial number (SN) Indicates the product Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 37: Product Nameplate

    The nameplate contains the trademark, product model, important technical specifications, compliance symbols, company name, and place of origin. NO TE Scan the QR code on the nameplate to view related product information and documents. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 38: 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 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 39: Installation

    A salt area refers to a region within 500 m of the coast or prone to sea breeze. Regions prone to sea breeze vary with weather Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 40: Clearance Requirements

    Figure 4-1 Dimensions of the inverter and mounting bracket ● Reserve enough clearances around the inverter to ensure sufficient space for installation and heat dissipation. Figure 4-2 Clearances Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 41: Angle Requirements

    Install the inverter vertically or at a maximum back tilt of 15 degrees to facilitate heat dissipation. ● Do not install the inverter at forward tilted, excessive backward tilted, side tilted, horizontal, or upside down positions. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 42: Tools

    Drill bit: Ф8 screwdriver screwdriver mm, Ф6 mm Hex key Diagonal pliers Hydraulic pliers Wire stripper Removal wrench Cable tie Rubber mallet Utility knife Model: PV-MS- HZ open-end wrench Manufacturer: Staubli Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 43 Steel measuring Level terminal tape crimping tool Heat shrink Heat gun tubing Perso prote ctive equip ment (PPE) Insulated shoes Insulated Protective gloves Dust mask gloves Goggles Safety helmet Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 44: Checking Before Installation

    ● When you need to temporally place the inverter on the ground, use protection material such as foam and paper underneath to prevent damage to its enclosure. ----End Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 45: Installing An Inverter (Wall Mounting)

    (2) Nut (3) Spring washer (4) Flat washer (5) Expansion sleeve D ANGER Avoid drilling holes in the utility pipes or cables attached to the back of the wall. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 46 ● Partially loosen the nut, flat washer and spring washer of the two expansion bolts below. Figure 4-7 Installing the mounting bracket Step 3 Install the inverter on the mounting bracket. Step 4 Tighten the nuts. Figure 4-8 Installing the inverter ----End Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 47: Installing An Inverter (Support Mounting)

    You are advised to apply anti-rust paint on the hole positions for protection. Step 3 Secure the mounting bracket. Figure 4-9 Securing the mounting bracket Step 4 Install the inverter on the mounting bracket. Step 5 Tighten the bolt assemblies. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 48 SUN2000-(12K-25K)-MB0 Series User Manual 4 Installation Figure 4-10 Installing an Inverter ----End Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 49: 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 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 50 The cable colors shown in the electrical connection diagrams provided in this section are for reference only. Select cables in accordance with local cable specifications (green-and-yellow cables are only used for protective earthing). Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 51: Preparing Cables

    SUN2000-(12K-25K)-MB0 Series User Manual 5 Electrical Connections 5.2 Preparing Cables Figure 5-1 SUN2000 cable connections (the components in dashed boxes are optional) Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 52 Select a proper model as Prepared by the switch required. customer Ripple control Select the device that meets the Provided by the device power grid scheduling local power grid requirements. company Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 53 Smart Dongle B-06-CN (02314ALM-001) is used, a maximum of two inverters can be cascaded. Note [6]: For details about how to operate the EMMA, see EMMA-(A01, A02) Quick Guide. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 54 ● The minimum cable diameter must meet local standards. ● The factors that affect cable selection include the rated current, cable type, routing mode, ambient temperature, and maximum expected line loss. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 55: Connecting A Pe Cable

    PE terminal on the AC connector and the ground screws on the enclosure. ● In some countries and regions, the inverter must have additional ground cables. In this case, use cables with the same diameter as the AC output Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 56 Figure 5-2 Crimping an OT terminal (1) Cable (2) Core wire (3) Heat shrink tubing (4) OT terminal (5) Hydraulic pliers (6) Heat gun Step 2 Connect the PE cable. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 57: Connecting An Ac Output Power Cable

    The inverter is installed with an integrated residual current monitoring unit. When the inverter detects that residual current exceeds the permitted value, it disconnects from the power grid quickly. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 58 Tighten the cable conductors to a torque of 1.5 N·m. Otherwise, the device may fail to run properly or be damaged during operation. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 59 5 Electrical Connections Figure 5-5 Three-core cable (L1, L2, and L3) Figure 5-6 Four-core cable (L1, L2, L3, and PE) Figure 5-7 Four-core cable (L1, L2, L3, and N) Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 60 Figure 5-9 Securing the AC connector Step 3 Check the route of the AC output power cable. Figure 5-10 Cabling requirements ----End Disconnection Perform the steps in reverse order to disconnect the cable. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 61: Connecting Dc Input Power Cables

    In this case, an AC or DC short circuit may occur and damage the inverter. The resulting device damage is not covered by the product warranty. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 62: Terminal Description

    Procedure WARNING Before inserting the positive and negative connectors into the positive and negative DC input terminals of the inverter, ensure that the DC SWITCH is set to OFF. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 63 During DC input power cabling, leave at least 50 mm of slack. The axial tension on PV connectors must not exceed 80 N. Radial stress or torque must not be generated on PV connectors. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 64 To remove the positive and negative connectors from the inverter, insert an open- end wrench into the notch and press the wrench with an appropriate force. Figure 5-14 Removing a DC connector Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 65: Optional) Connecting Battery Cables

    In this case, an AC or DC short circuit may occur and damage the devices. The resulting device damage is not covered under any warranty. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 66 NO TICE After the positive and negative connectors snap into place, pull the battery cables back to ensure that they are connected securely. Figure 5-15 Connecting battery cables ----End Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 67: Connecting Signal Cables

    ● When the enabling signal cables of the battery and the rapid shutdown switch signal cables are connected to the inverter at the same time, GND (pin 13) is shared. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 68: Communication Networking Mode

    GND of signal or DIN3, or DIN1, DIN2, connecting to DIN4 DIN3, or the signal DIN4 cable of an NS protection device Communication Networking Mode ● Smart Dongle networking Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 69 ● A power meter is required for export limitation. Select a power meter based on the site requirements. ● To ensure quick responses of the system, you are advised to connect the power meter separately to a COM port. ● EMMA networking Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 70: Connecting The Rs485 Communications Cable (Inverter Cascading)

    Figure 5-20 SmartGuard networking (the components in dashed boxes are optional) 5.7.1 Connecting the RS485 Communications Cable (Inverter Cascading) Procedure Step 1 Connect the signal cable to the signal cable connector. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 71: Connecting Rs485 Communications Cables (Power Meter)

    DTSU666-H and YDS60-C24 power meters. NO TE The cable connections between the DTSU71 and DHSU1079-CT power meters and the inverter are the same as those between the DTSU666-H power meter and the inverter. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 72 SUN2000-(12K-25K)-MB0 Series User Manual 5 Electrical Connections Figure 5-23 DTSU666-H three-phase, three-wire cable connection (Smart Dongle networking) Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 73 SUN2000-(12K-25K)-MB0 Series User Manual 5 Electrical Connections Figure 5-24 YDS60-C24 three-phase, three-wire cable connection (Smart Dongle networking) Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 74 User Manual 5 Electrical Connections Figure 5-25 Three-phase, four-wire connection (Smart Dongle networking) ● The following figures show the cable connections between the inverter and DTSU666-HW and YDS60-80 power meters. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 75 SUN2000-(12K-25K)-MB0 Series User Manual 5 Electrical Connections Figure 5-26 Three-phase, three-wire direct connection (Smart Dongle networking) Figure 5-27 Three-phase, four-wire direct connection (Smart Dongle networking) Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 76 SUN2000-(12K-25K)-MB0 Series User Manual 5 Electrical Connections Figure 5-28 Three-phase, three-wire direct connection (SmartLogger networking) Figure 5-29 Three-phase, four-wire direct connection (SmartLogger networking) (1) Shield layer of the signal cable Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 77 Procedure Step 1 Connect the signal cable to the signal cable connector. Figure 5-30 Installing the cable Step 2 Connect the signal cable to the COM port. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 78: Connecting Rs485 Communications Cables (Power Meter And Battery)

    5.7.3 Connecting RS485 Communications Cables (Power Meter and Battery) Procedure Step 1 Connect signal cables to the signal cable connector. Figure 5-32 Installing cables Step 2 Connect the signal cable connector to the COM port. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 79: Connecting Rs485 Communications Cables (Emma)

    5.7.4 Connecting RS485 Communications Cables (EMMA) Procedure Step 1 Connect the signal cable to the signal cable connector. Figure 5-34 Installing the cable Step 2 Connect the signal cable connector to the COM port. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 80: Connecting Rs485 Communications Cables (Emma And Battery)

    5.7.5 Connecting RS485 Communications Cables (EMMA and Battery) Procedure Step 1 Connect signal cables to the signal cable connector. Figure 5-36 Installing cables Step 2 Connect the signal cable connector to the COM port. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 81: Connecting Rs485 Communications Cables (Smartguard)

    (SmartGuard) Procedure Step 1 Connect the signal cable to the signal cable connector. Figure 5-38 Installing the cable Step 2 Connect the signal cable connector to the COM port. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 82: Connecting The Rapid Shutdown Signal Cable

    13 and 15. The switch is closed by default. The rapid shutdown is triggered when the switch changes from closed to open. Figure 5-40 Installing the cable Step 2 Connect the signal cable connector to the COM port. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 83: Connecting The Grid Scheduling Signal Cable

    Settings > Power adjustment > Dry contact scheduling on the home screen of the app and disable Dry contact scheduling. Procedure Step 1 Connect the signal cable to the signal cable connector. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 84 User Manual 5 Electrical Connections Figure 5-43 Installing the cable Step 2 Connect the signal cable connector to the COM port. Figure 5-44 Securing the signal cable connector ----End Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 85: Connecting Ns Protection Signal Cables

    Dry contact function to NS protection. Figure 5-45 Connecting cascaded inverters to the NS protection switch Step 1 Connect signal cables to the signal cable connector (for inverter cascading). Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 86 AI1 port is 0 V and the inverter shuts down. When the NS protection device is reconnected, the voltage of the AI1 port is 12 V and you need to manually start the inverter. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 87: Optional) Installing The Smart Dongle And Anti-Theft Components

    < 9 mm; internal resistance ≤ 1.5 ohms/10 m) and shielded RJ45 connectors. Figure 5-49 Installing the WLAN-FE Smart Dongle (FE communication) Figure 5-50 Installing anti-theft components for the Smart Dongle Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 88 ● When reinstalling the enclosure of the Smart Dongle, ensure that the snap-fits click into place. Figure 5-51 Installing the 4G Smart Dongle (SDongleB-06) Figure 5-52 Installing anti-theft components for the Smart Dongle Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 89: 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 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 90: Power-On And Commissioning

    Step 3 Turn on the AC switch between the inverter and the power grid. Step 4 Turn on the DC switch (if any) between the PV strings and the inverter. Step 5 Set the DC SWITCH on the inverter to ON. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 91 Blinking red fast There is an AC environmental alarm, such as Grid Undervoltage, Grid Overvoltage, Grid Overfrequency, or Grid Underfrequency. Steady red Steady red A fault exists. Communica LED3 tion indication Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 92 ● WLAN-FE Smart Dongle Figure 7-1 WLAN-FE Smart Dongle Table 7-2 Indicator description LED Indicator Status Remarks Description Normal The Smart Dongle is not secured or not powered on. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 93 Smart Dongle. ● 4G Smart Dongle Table 7-3 Indicator description LED Indicator Status Remarks Description Normal The Smart Dongle is not secured or not powered on. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 94 Check whether the SIM card has been installed or is in good contact. If not, install a SIM card or remove and re- insert the SIM card. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 95 Smart Dongle. – Connect the Smart Dongle to another inverter. Check whether the Smart Dongle is faulty or the USB port of the inverter is faulty. ----End Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 96: Commissioning The Inverter (Smart Dongle Networking)

    Create an owner account that can be used to owner account remotely monitor and manage devices. For details, see FusionSolar App Quick Guide. Scan the QR code of the inverter to create a plant. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 97: Setting Common Parameters

    For details about how to set more parameters, see FusionSolar App and SUN2000 App Device Commissioning Guide. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 98: Afci

    Set > Feature parameters on the home screen, and disable AFCI. NO TE The AFCI function works only with Huawei optimizers or ordinary PV modules when the inverter is connected to the grid, but does not support third-party optimizers or intelligent PV modules.
  • Page 99: Limit On Power Purchased From Grid

    DSO controller. Figure 7-5 Cable connections Procedure Connect to the inverter on the app and log in to the local commissioning screen of the device as an installer. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 100: Setting The Energy Measurement Mode

    Connect to the inverter on the app and log in to the local commissioning screen of the device. On the home screen, choose Maintenance > Subdevice management > PowerMeter and set Energy Measurement Mode. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 101: Resetting The Password For Logging In To The Local Commissioning Screen

    OK and you will be redirected to the Forgot Password screen. Enter the verification code, tap OK, and set a new password on the Log in screen as prompted. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 102: Resetting The Password After Obtaining The Verification Code And Connecting To The Device Wlan

    On the Log in screen, select the user whose password needs to be reset, tap Forgot password?, enter the verification code, and set a new password as prompted. NO TE After obtaining the verification code, set a new password within 10 minutes. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 103: Commissioning The Inverter (Emma Networking & Smartguard Networking)

    In this case, the Company will not be liable for any consequences. 7.3.1 Deploying a New Plant Figure 7-6 Deploying a new plant Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 104: Setting Common Parameters

    Battery If a battery is connected to the parameter system, you need to add the setting battery and set battery parameters. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 105: Afci

    Monitor on the home screen, select the inverter, choose Set > Feature parameters, and disable AFCI. NO TE The AFCI function works only with Huawei optimizers or ordinary PV modules when the inverter is connected to the grid, but does not support third-party optimizers or intelligent PV modules.
  • Page 106: Limit On Power Purchased From Grid

    This function is used to control load power purchased from the grid. The power grid company uses the controller to transmit scheduling commands through the DI4 port. When the load power purchased from the grid is too high, it is limited. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 107: Setting The Energy Measurement Mode

    7.3.5 Setting the Energy Measurement Mode Function Description This function is used to configure different energy measurement modes for different areas. After power meters are installed, you can configure the Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 108 Mode calculated by integrating the sum of power from three phases. Unbalanced Measurement The forward energy and reversing energy are respectively calculated by integrating the power of each phase. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 109: Resetting The Password For Logging In To The Local Commissioning Screen

    If the message in the following figure is displayed, tap OK to return to the device connection screen, reconnect to the device WLAN, access the Forgot Password screen again, and enter the verification code. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 110: Resetting The Password After Obtaining The Verification Code And Connecting To The Device Wlan

    On the Log in screen, select the user whose password needs to be reset, tap Forgot password?, enter the verification code, and set a new password as prompted. NO TE After obtaining the verification code, set a new password within 10 minutes. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 111: Viewing The Plant Creation Status

    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. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 112: Smartlogger Networking Scenario

    7 Power-On and Commissioning Figure 7-10 Viewing the plant creation status 7.5 SmartLogger Networking Scenario PV Plants Connecting to Huawei Hosting Cloud Quick Guide (Inverters See the + SmartLogger3000 + RS485 Networking) . You can scan the QR code to obtain...
  • Page 113: 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 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 114 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 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 115: System Power-Off

    ● If the original packaging is unavailable, put the inverter inside a suitable hard cardboard box and seal it properly. Step 3 Dispose of the inverter. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 116: Replacing A Fan

    Step 3 Install a new fan, connect and bind the cable, and install the fan cover. ----End Type 2: Step 1 Remove the inverter from the mounting bracket. Step 2 Remove the fan cover and fan cable ties. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 117: Locating Insulation Resistance Faults

    After the Low insulation resistance alarm is reported by the inverter, insulation resistance fault location is automatically triggered. If the fault location is Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 118 Step 1 Ensure that the AC connections are normal. Log in to the FusionSolar app, choose Maintenance > Inverter ON/OFF on the home screen, and send a shutdown command. Set DC SWITCH to OFF. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 119 Step Step 6 Log in to the app, choose Maintenance > Inverter ON/OFF on the home screen, and send a shutdown command. Set DC SWITCH to OFF, reconnect the Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 120 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 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 121: Technical Specifications

    25500 W 30000 W 37500 W d maximum input DC power Maximum 1100 V input voltage Maximum 20 A (one PV string)/30 A (one MPPT) input current per MPPT Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 122 Note b: The maximum input power of an MPPT circuit is 18.8 kW. If the input power exceeds this value, the inverter may limit the output power of PV modules. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 123 0.8 leading ... 0.8 lagging Output DC < 0.5% of the rated output component (DCI) Maximum < 3% under rated conditions. Single harmonic meets the VDE total 4105 requirements. harmonic distortion (AC THDi) Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 124 DC surge TYPE II protection AC surge Yes, compatible with TYPE II protection class according to protection EN/IEC 61643-11 Insulation Supported resistance detection Residual Supported current monitoring unit (RCMU) Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 125: Display And Communication

    Operating –25°C to +60°C temperature Relative 0–100% RH humidity Cooling mode Smart air cooling Maximum 4000 m (derated when the altitude is greater than 2000 m) operating altitude Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 126: Wireless Communication Parameters

    ● Supports GSM/GPRS/ EDGE: 900 MHz/1800 MHz. SDongleB-06-CN (WiFi): 2400–2483.5 MHz SDongleB-06-CN (4G): ● Supports LTE FDD: B1/B3/B5/B8. ● Supports LTE TDD: B34/B38/B39/B40/B41. ● Supports GSM/GPRS/ EDGE: 900 MHz/1800 MHz. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 127 SDongleB-06-CN (4G): ● Supports LTE FDD (with receive diversity): B1/B3/B5/B8. ● Supports LTE TDD (with receive diversity): B34/B38/B39/B40/B41. ● Supports GSM: 900 MHz/ 1800 MHz. ● Supports digital audio. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 128 GSM features: GPRS: ● Supports GPRS multislot class 12. ● Coding schemes: CS-1, CS-2, CS-3, and CS-4 ● Maximum downlink rate: 85.6 kbit/s; maximum uplink rate: 85.6 kbit/s EDGE: Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 129 WCDMA frequency band ● Class 3 (23 dBm±2 dB), LTE FDD frequency band ● Class 3 (23 dBm±2 dB), LTE TDD frequency band SDongleB-06-CN (WiFi): ≤ 20 dBm EIRP Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 130: Sun2000-(12K-25K)-Mb0 Technical Specifications

    20 A (one PV string)/30 A (one MPPT) input current per MPPT Maximum 40 A short- circuit current per MPPT Minimum 200 V startup voltage MPPT 200–1000 V voltage range Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 131 Output (On Grid) Technical SUN2000- SUN2000- SUN2000- SUN2000- SUN2000- Specificati 12K-MB0 15K-MB0 17K-MB0 20K-MB0 25K-MB0 Rated 12000 W 15000 W 17000 W 20000 W 25000 W output power Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 132 Output DC < 0.5% of the rated output component (DCI) Maximum < 3% under rated conditions. Single harmonic meets the VDE 4105 total requirements. harmonic distortion (AC THDi) Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 133 Input Supported reverse connection protection DC surge TYPE II protection AC surge Yes, compatible with TYPE II protection class according to EN/IEC protection 61643-11 Insulation Supported resistance detection Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 134 Technical SUN2000- SUN2000- SUN2000- SUN2000- SUN2000- Specificati 12K-MB0 15K-MB0 17K-MB0 20K-MB0 25K-MB0 Dimensions 460 mm x 546 mm x 228 mm (H x W x Net weight 21 kg Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 135 Frequen 2400–2483.5 SDongleA-05: SDongleB-06-EU (WiFi): 2400–2483.5 MHz 2400–2483.5 MHz SDongleB-06-EU (4G): ● Supports LTE FDD: B1/B3/B5/B8. ● Supports LTE TDD: B7/B20/B28/B38/B40/B41. ● Supports GSM/GPRS/ EDGE: 900 MHz/1800 MHz. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 136 SDongleB-06-EU (4G): ● Supports LTE FDD (with receive diversity): B1/B3/B5/B8. ● Supports LTE TDD (with receive diversity): B7/B20/B28/B38/B40/B41. ● Supports GSM: 900 MHz/ 1800 MHz. ● Supports digital audio. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 137 GSM features: GPRS: ● Supports GPRS multislot class 12. ● Coding schemes: CS-1, CS-2, CS-3, and CS-4 ● Maximum downlink rate: 85.6 kbit/s; maximum uplink rate: 85.6 kbit/s EDGE: Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 138 WCDMA frequency band ● Class 3 (23 dBm±2 dB), LTE FDD frequency band ● Class 3 (23 dBm±2 dB), LTE TDD frequency band SDongleB-06-EU (WiFi): ≤ 20 dBm EIRP Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 139: Grid Codes

    Support Support voltage power grid UTE C France Support Support Support Support Support 15-712-1(A) mainland power grid UTE C France island Support Support Support Support Support 15-712-1(B) power grid Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 140 Support Support power grid standard IEC61727-60Hz IEC 61727 low- Support Support Support Support Support voltage grid- connection (60 PO12.3 Spain low- Support Support Support Support Support voltage power grid Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 141 Ireland new Support Support Support Support Support standard VDE-AR-N4110 Germany Support Support Support Support Support medium- voltage power grid (230 V) Spain power Support Support Support Support Support grid Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 142 Czech Republic Support Support Support Support Support LV230 power grid Israel Israel power Support Support Support Support Support grid ANRE Romania low- Support Support Support Support Support voltage power grid Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 143 SUN200 SUN200 SUN200 00-12K 0-15K- 0-17K- 0-20K- 0-25K- -MB0 NC2022 New Caledonia Support Support Support Support Support power grid FRANCE- France FD Support Support Support Support Support EN50549-230 C11-519-11 Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 144: B Connecting To The Inverter On The App

    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. Step 1 Start device commissioning. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 145 Step 2 Connect to the inverter WLAN. Tap Scan. On the QR code scanning screen, align the QR code with the scanning box to automatically scan and connect to the WLAN of the inverter. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 146 Your password might be stolen or cracked if it is left unchanged for extended periods. If a password is lost, devices cannot be accessed. In these cases, the Company shall not be liable for any loss. ----End Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 147: C Connecting To The Emma On The App

    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. Step 1 Start device commissioning. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 148 Step 2 Connect to the WLAN of the EMMA. Tap Scan. On the QR code scanning screen, align the QR code with the scanning box to automatically scan and connect to the WLAN of the EMMA. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 149 Your password might be stolen or cracked if it is left unchanged for extended periods. If a password is lost, devices cannot be accessed. In these cases, the Company shall not be liable for any loss. ----End Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 150: D Resetting The Login Password On The Hardware

    (PSW), which can be obtained from the label on the side of the inverter. On the login page, set a new password and log in to the app. Step 6 Set router and management system parameters to implement remote management. ----End Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 151 D Resetting the Login Password on the Hardware NO TICE You are advised to reset the password in the morning or at night when the solar irradiance is low. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 152: 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 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 153 SUN2000-(12K-25K)-MB0 Series User Manual E Rapid Shutdown Figure E-1 Methods of triggering a rapid shutdown Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 154: F Baud Rate Negotiation

    QR code to connect to the EMMA. 2. Access the Communication settings screen, choose RS485 Settings > Baud Rate Negotiation, and tap 9600 and Negotiate a higher rate. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 155 Negotiate a higher rate. 3. Access the Communication configuration screen, choose RS485 > Baud Rate Negotiation > RS485_2 > Baud Rate Negotiation, and tap 9600 and Negotiate a higher rate. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 156: Troubleshooting

    In this case, you only need to tap 9600. 6. If the fault persists, contact your vendor. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 157: 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 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 158 SUN2000-(12K-25K)-MB0 Series User Manual G 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 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 159: H Digital Power Customer Service

    SUN2000-(12K-25K)-MB0 Series User Manual H Digital Power Customer Service Digital Power Customer Service https://digitalpower.huawei.com/robotchat/ Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 160: I Certificate Management And Maintenance

    Huawei's initial certificates are mandatory identity credentials for Huawei devices before delivery. The disclaimer statements for using the certificates are as follows: Initial Huawei-issued certificates are used only in the deployment phase, for establishing initial security channels between devices and the customer's network.
  • Page 161: Application Scenarios Of Initial Certificates

    Modbus TCP. corresponding security maintenance manual. Certificates for communication between the Company's products can be replaced. Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 162: Acronyms And Abbreviations

    Acronyms and Abbreviations AFCI Arc-fault Circuit Interrupter Light Emitting Diode Maximum Power Point MPPT Maximum Power Point Tracking Protective Earthing Potential Induced Degradation Photovoltaic Relative Humidity State of Charge Issue 16 (2025-07-01) Copyright © Huawei Digital Power Technologies Co., Ltd.

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