Huawei SUN2000-100KTL-M2 User Manual

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SUN2000-(100KTL, 110KTL, 115KTL)-M2

User Manual

Issue

Date

2023-04-30

HUAWEI TECHNOLOGIES CO., LTD.

Table of Contents

Troubleshooting

Summary of Contents for Huawei SUN2000-100KTL-M2

Page 1 SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual Issue Date 2023-04-30 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 前言 Overview This document describes the SUN2000-115KTL-M2, SUN2000-110KTL-M2, and SUN2000-100KTL-M2 (also referred to as SUN2000) in terms of installation, electrical connection, commissioning, maintenance, and troubleshooting. Before installing and operating the solar inverter, ensure that you are familiar with the features, functions, and safety precautions provided in this document.
Page 4 7.1.2 Downloading and Installing the App. Updated Maintenance. Updated 10 Technical Specifications. Issue 03 (2022-09-30) Deleted the SUN2000-100KTL-INM2 model. Updated 5.2 Preparing Cables. Updated 5.6 Connecting an AC Output Power Cable. Updated 7.1.1 App Introduction. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 5 Updated Tools. Added 7.1.4 Setting Parameters. Updated 8.2 Power-Off for Troubleshooting. Updated 10 Technical Specifications. Added B Resetting Password. Issue 01 (2022-05-20) This issue is used for first office application (FOA). Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 6: Table Of Contents
5.1 Precautions....................................41 5.2 Preparing Cables................................... 42 5.3 Connecting the PE Cable..............................49 5.4 Opening the Maintenance Compartment Door......................50 5.5 (Optional) Installing the Power Cable of the Tracking System................53 Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 7 9.3 Disposing of the SUN2000.............................. 124 10 Technical Specifications....................125 A Grid Codes..........................129 B Resetting Password......................143 C Domain name of the management system..............144 D Contact Information......................145 E Acronyms and Abbreviations....................147 Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 8: Safety Information
The equipment is damaged due to force majeure such as earthquakes, floods, volcanic eruptions, debris flows, lightning strikes, fires, wars, armed conflicts, typhoons, hurricanes, tornadoes, and other extreme weather conditions. ● The equipment is operated beyond the conditions specified in this document. Issue 07 (2023-04-30) Copyright © Huawei 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 07 (2023-04-30) Copyright © Huawei 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 07 (2023-04-30) Copyright © Huawei 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 07 (2023-04-30) Copyright © Huawei 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 07 (2023-04-30) Copyright © Huawei 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 07 (2023-04-30) Copyright © Huawei 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 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 15: Mechanical Safety
Equipment with scratches cannot 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 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 16 When moving the equipment, assign dedicated personnel to take care of it. ● Choose sea or roads in good conditions for transportation as transportation by railway or air is not supported. Avoid tilt or jolt during transportation. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 17 If a single ladder is used, do not climb higher than the fourth rung of the ladder from the top. ● If you use a single ladder to climb up to a platform, ensure that the ladder is at least 1 m higher than the platform. Issue 07 (2023-04-30) Copyright © Huawei 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 07 (2023-04-30) Copyright © Huawei 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 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 20: Overview
The SUN2000-110KTL-M2 is applicable only to the Chinese mainland. For other countries or regions, the Company does not provide quality assurance. This document covers the following product models: ● SUN2000-115KTL-M2 ● SUN2000-110KTL-M2 ● SUN2000-100KTL-M2 Figure 2-1 Model Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 21: Overview
Flexible configuration of PV strings is supported. ● Smart PV module self-learning: Automatically detects PV module failures, helping rectify faults. Optimizes the working mode to obtain the optimal working mode of the system. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 22 (5) Power grid NO TE In a non-low-voltage grid-connected scenario, the SUN2000-115KTL-M2 and SUN2000-100KTL-M2 need to connect to an isolation transformer and avoid overhead cabling. Supported Power Grids SUN2000 solar inverters support the TN-S, TN-C, TN-C-S, TT, and IT power grids.
Page 23: Label Description
It takes 15 minutes for the inverter to discharge to the safe voltage. Refer to documentation Reminds operators to refer to the documents shipped with the inverter. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 24: Product Appearance
Fan replacement warning Before replacing a fan, disconnect its power connectors. Inverter ESN label Indicates the inverter serial number. Weight label The inverter needs to be carried by four persons or using a pallet truck. 2.4 Product Appearance Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 25: Appearance
(9) Reset button 3 (RESET 3) (10) Ventilation valve (11) USB port (12) Communications port (COM) (13) Hole for the AC output power cable (14) Hole for the tracking system power cable Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 26 ● When the RESET button is not pressed, the DC switch can only be turned to the unloaded position , and cannot be set to the ON position. Dimensions Figure 2-7 Dimensions Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 27: Indicator Status
On for 1s and Off for 1s) PV connection Steady green At least one PV string is indicator properly connected, and the DC input voltage of the corresponding MPPT circuit is at least 200 V. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 29: Working Principles
10 MPPT circuits inside the solar inverter to track the maximum power point of the PV strings. The DC power is then converted into three-phase AC power through an inverter circuit. Surge protection is supported on both the DC and AC sides. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 30: Working Modes
SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual 2 Overview Figure 2-10 Schematic diagram 2.5.2 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 31 ● In Standby or Operating mode, the SUN2000 enters Shutdown mode after detecting a fault or shutdown command. ● In Shutdown mode, the SUN2000 enters Standby mode after detecting a startup command or that the fault is rectified. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 32: Solar Inverter Storage
● Do not tilt the package or place it upside down. ● To avoid personal injury or device damage, stack inverters with caution to prevent them from falling over. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 33 Figure 3-2 Maximum number of stacking layers allowed ● If the solar inverter has been stored for more than two years, it must be checked and tested by professionals before being put into use. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 34: Installation
If any damage is found or any component is missing, contact your dealer. NO TE For details about the number of accessories delivered with the solar inverter, see the Packing List in the packing case. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 35: Tools
Utility knife Crimping tool Open-end Cable cutter wrench Model: H4TC0003 Model: Manufacturer: H4TW0001 AMPHENOL Manufacturer: (For Amphenol AMPHENOL Helios H4 connectors only) (For Amphenol Helios H4 connectors only) Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 36 Insulation resistance tester (Output voltage > 1500 V) Crimping tool Open-end wrench Model: PV- CZM-22100 Model: PV-MS- Manufacturer: Staubli Manufacturer: Staubli (For Staubli MC4 connectors only) (For Staubli MC4 connectors only) Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 37: Determining The Installation Position
You are advised to install the inverter in a sheltered place or install an awning over it. ● The inverter will be corroded in salt areas. Before installing the inverter outdoors in salt areas, consult Huawei. A salt area refers to the region within Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 38 Install the solar inverter vertically or at a maximum back tilt of 75 degrees to facilitate heat dissipation. ● Do not install the solar inverter at forward tilted, excessive back tilted, side tilted, horizontal, or upside down positions. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 39 SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual 4 Installation Figure 4-2 Angle Installation Dimensions Requirements Reserve enough space around the solar inverter for installation and heat dissipation. Figure 4-3 Installation clearance Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 40 Stacked installation is not recommended. Figure 4-4 Horizontal installation mode (recommended) Figure 4-5 Triangle installation mode (recommended) Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 41: Installing The Mounting Bracket
The mounting bracket of the solar inverter has four groups of tapped holes, each group containing four tapped holes. Mark any hole in each group based on site requirements and mark four holes in total. The two round holes are recommended. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 42: Support-Mounted Installation
Step 2 Drill holes using a hammer drill. It is recommended that anti-rust measures be taken on the positions for drilling holes. Step 3 Secure the mounting bracket. Figure 4-9 Installing the mounting bracket ----End Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 43: Wall-Mounted Installation
● Level the head of the expansion sleeve with the concrete wall after removing the bolt, spring washer, and flat washer. Otherwise, the mounting bracket will not be securely installed on the wall. Step 3 Secure the mounting bracket. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 44: Installing A Solar Inverter
● To avoid damage to the equipment, do not lift or hoist a solar inverter with an improper hold as shown in Figure 4-12. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 45 Step 1 Lift the solar inverter from the packing case and move it to the installation position. Figure 4-13 Taking out the solar inverter Step 2 Lift the solar inverter and keep it upright. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 46 Hoist the solar inverter with care to protect it from colliding with the wall or other objects. Figure 4-15 Hoisting the solar inverter Step 4 Install the solar inverter on the mounting bracket and align the solar inverter enclosure with the mounting bracket. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 47 SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual 4 Installation Figure 4-16 Mounting the solar inverter Step 5 Secure the solar inverter. Figure 4-17 Tightening security Torx screws ----End Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 48: Electrical Connections
CA UTION ● Stay away from the equipment when preparing cables to prevent cable scraps from entering the equipment. Cable scraps may cause sparks and result in personal injury and equipment damage. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 49: Preparing Cables
Figure 5-1 RS485 networking (SmartLogger) (A) PV string (B) SUN2000 (C) AC combiner box (D) Transformer station (E) Power grid (F) SmartLogger (G) Management system Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 50 (E) Power grid (F) SDongle (G) Management system Figure 5-3 MBUS networking (SmartLogger) (A) PV string (B) SUN2000 (C) AC combiner box (D) Transformer station (E) Power grid (F) SmartLogger (G) Management system Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 51 COM port on the SmartLogger and that less than 10 solar inverters be cascaded over the SDongle. ● The RS485 communication distance between the last solar inverter and the SmartLogger cannot exceed 1000 m. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 52 Prepared by the tied point in low voltage scenarios customer using a power meter. Recommended meter model: DTSU666- Support tracking system Adjusts the angle of the supports. Prepared by the customer Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 53 The solar inverter has an RCMU inside. Its external AC switch should be a three- phase circuit breaker or other AC load circuit breakers to safely disconnect the solar inverter from the power grid. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 54 ≥ S/2 Prepared PE cable cable and M10 OT/DT by the terminals customer Tracking system Three-core outdoor copper 15–18 mm Prepared 10 mm power cable cable with dual-layer by the protection customer Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 56: Connecting The Pe Cable
Connect the PE points of all solar inverters in the same array to ensure equipotential connections to PE cables. Procedure Step 1 Connect the PE cable to the PE point. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 57: Opening The Maintenance Compartment Door
● Do not leave unused screws in the maintenance compartment. Procedure Step 1 Open the maintenance compartment door and install the support bar. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 58 Figure 5-7 Opening the maintenance compartment door Step 2 Remove the accessories and keep them properly. Figure 5-8 Removing the accessories Step 3 Select a crimping module according to the type of the AC output power cable. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 59 Remove the corresponding rubber rings in strict accordance with the cable diameter, and ensure that the crimping module is not damaged. Otherwise the protection level of the solar inverter will be affected. Figure 5-10 Remove the rubber ring Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 60: Optional) Installing The Power Cable Of The Tracking System
5.6 Connecting an AC Output Power Cable Prerequisites ● To ensure that the inverter can be safely disconnected from the power grid when an exception occurs, connect an AC switch to the AC side of the inverter. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 61 AC output switch. Requirements for the OT/DT Terminal ● If a copper cable is used, use copper wiring terminals. ● If a copper-clad aluminum cable is used, use copper wiring terminals. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 62 Ensure that the aluminum sides of spacers are in contact with aluminum wiring terminals, and copper sides of spacers are in contact with the AC terminal block. Figure 5-13 Requirements for the OT/DT terminal Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 63 ● If a screw on the maintenance compartment door is lost, obtain the spare screw from the fitting bag tied at the bottom of the maintenance compartment. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 66 (excluding the neutral wire) NO TE The cable colors shown in figures are for reference only. Select an appropriate cable according to the local standards. Figure 5-18 Closing the Maintenance Compartment Door ----End Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 67: Connecting Dc Input Power Cables
The polarities of electric connections are correct on the DC input side. The positive and negative terminals of a PV module connect to corresponding positive and negative DC input terminals of the solar inverter. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 68 PV terminals from PV1 and PV19, and avoid connections to adjacent MPPTs if possible. If the number of PV inputs is 11 to 19, the DC input terminals are selected as follows. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 69: Connecting Cables To Amphenol Helios H4 Connectors
If the voltage is a negative value, the DC input polarity is incorrect and needs correction. ● If the voltage is greater than 1100 V, too many PV modules configured to the same string. Remove some PV modules. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 70 Figure 5-22 Testing the insulation resistance between all PV– cables and the ground Step 7 Insert the positive and negative connectors into the corresponding DC positive and negative input terminals of the solar inverter. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 71 SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual 5 Electrical Connections Figure 5-23 Connecting DC input power cables Figure 5-24 Connector connection Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 72 During DC input power cabling, leave at least 50 mm of slack. The axial tension on PV connectors must not exceed 80 N. Radial stress or torque must not be generated on PV connectors. ----End Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 73: Connecting Cables To Staubli Mc4 Connectors
If the insulation resistance is greater than or equal to 1 MΩ, it is normal. ● If the insulation resistance is less than 1 MΩ, troubleshoot the cable insulation. Figure 5-26 Testing the insulation resistance Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 74 Figure 5-27 Testing the insulation resistance between all PV– cables and the ground Step 7 Insert the positive and negative connectors into the corresponding DC positive and negative input terminals of the solar inverter. Figure 5-28 Connecting DC input power cables Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 75 PV string connector along the axial direction to check whether the connectors are securely connected. ● The connector must be securely connected. Damages caused by improper connection are not covered under the warranty. Figure 5-30 DC input power cabling requirement Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 76: Connecting The Rs485 Communications Cables
RS485B IN, RS485 RS485B OUT, RS485 such as the differential signal– differential signal– SmartLogger. Protection PE, shielding ground PE, shielding ground ground Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 77 When routing the communications cable, separate it from power cables to prevent communication from being affected. Connect the shield layer to the PE point. This section describes how to connect three communications cables. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 78: Optional) Installing A Smart Dongle
Figure 5-32 Connecting RS485 communications cables (4–8 mm four-hole rubber plug) Figure 5-33 Connecting RS485 communications cables (4–8 mm two-hole or three-hole rubber plug) 5.9 (Optional) Installing a Smart Dongle ● 4G Smart Dongle Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 79 ● When reinstalling the cover of the Smart Dongle, ensure that the buckle springs back in place. Figure 5-34 Installing a 4G Smart Dongle (SDongleA-03) Figure 5-35 Installing a 4G Smart Dongle (SDongleB-06) Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 80 Figure 5-36 Installing a WLAN-FE Smart Dongle (WLAN communication) ● WLAN-FE Smart Dongle (FE Communication) Figure 5-37 Installing a WLAN-FE Smart Dongle (FE communication) NO TICE Install the network cable before installing the Smart Dongle on the solar inverter. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 81 ● For details about how to operate the 4G Smart Dongle SDongleB-06, see SDongleB-06 Smart Dongle Quick Guide (4G) . You can scan the QR code below to obtain the document. The quick guide is delivered with the Smart Dongle. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 82: Commissioning
The maintenance compartment door is closed and the screws are secured. Unused DC input terminals are sealed. Unused USB and RESET ports are plugged with watertight caps. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 83: Powering On The Sun2000
ON. When you hear a click, the switch is ON. Step 3 Check the status of the PV connection indicator. If it is steady green, set DC SWITCH 2 and DC SWITCH 3 to ON. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 84 Step 4 Observe the LED indicators to check the SUN2000 operating status. Step 5 Perform quick settings on the SUN2000 app. For details, see 7.1 Operations with the SUN2000 App. ----End Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 85: Man-Machine Interactions
● Over a USB data cable: The USB 2.0 port is supported. Use the USB data cable delivered with the mobile phone. ● Mobile phone operating system: Android 4.0 or later. ● Recommended phone brands: Huawei and Samsung. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 86 Figure 7-2 Connection over a Smart Dongle (A) SUN2000 (B) SDongle (C) Mobile phone Figure 7-3 Connection over a USB data cable (A) SUN2000 (B) USB data cable (C) Mobile phone Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 87: Downloading And Installing The App
FusionSolar app: Scan the QR code and download the latest installation package. ● SUN2000 app: Log in to Huawei AppGallery (https://appstore.huawei.com), search for SUN2000, and download the app installation package. You can also scan the QR code to download the installation package.
Page 88 USB access will not appear if you log in to the app again without removing the USB data cable. (Scenario in which the SUN2000 is connected to the FusionSolar hosting cloud) Run the FusionSolar app and access the Device Commissioning screen. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 89 SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual 7 Man-Machine Interactions Figure 7-4 Selecting a connection mode (with network access) Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 90 7 Man-Machine Interactions Figure 7-5 Selecting a connection mode (without network access) (Scenario in which the SUN2000 is connected to other management systems) Run the SUN2000 app and access the operation screen. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 91 ● If the device has been connected to the SmartLogger, the quick settings screen is not automatically displayed when the device is connected to the app. ● Set the correct grid code based on the application area and scenario of the solar inverter. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 92: Setting Parameters
Specifies whether to allow the inverter to automatically start recovery after the power grid recovers. Grid connection delay Specifies the time after which the inverter begins restarting after grid recovery (s) after the power grid recovers. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 93: Setting Protection Parameters
Voltage threshold for Specifies the 10-minute overvoltage protection threshold. 10-minute overvoltage protection (V) Duration threshold for Specifies the 10-minute overvoltage protection duration. 10-minute overvoltage protection (ms) Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 94: Setting Feature Parameters
Specifies the level-1 grid underfrequency protection duration. level-1 underfrequency protection (ms) Active islanding Specifies whether to enable the active islanding protection protection function. 7.1.4.3 Setting Feature Parameters Choose Settings > Feature parameters to set feature parameters. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 95 For example, if you set LVRT gradient K1 to 2, the increment of positive-sequence reactive current generated by the solar inverter is 20% of the rated current when the AC voltage decreases by 10% during LVRT. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 96 Sets LVRT mode. The options are Zero-current mode, Constant current mode, Reactive power priority mode, and Active power priority mode. LVRT characteristic Specifies the low voltage ride- curve through capability of the device. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 97 For example, if you set HVRT gradient K1 to 2, the increment of positive-sequence reactive current generated by the solar inverter is 20% of the rated current when the AC voltage increases by 10% during HVRT. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 98 10% of the rated current during high/low voltage ride-through. Power quality If this parameter is set to Enable, optimization mode the inverter output current harmonics will be optimized. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 99 ● When PV strings connect to one another in parallel outside the inverter and then connect to it independently (All PV strings connected), set this parameter to All PV strings connected. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 100 MBUS For inverters that support RS485 communication communication and MBUS communication, you are advised to set this parameter to Disable to reduce power consumption. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 101 Quick startup for Specifies whether to allow the short-time grid device to quickly start after the disconnection power grid recovers from a short- time failure. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 102: Setting Power Adjustment Parameters
Schedule Specifies the time for maintaining When this parameter is set to instruction valid the scheduling instruction. 0, the scheduling instruction duration (s) takes effect permanently. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 103 Power factor Specifies the power factor of the inverter. Reactive power Specifies the reactive power compensation output by the inverter. (Q/S) Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 105 SDongle/SmartLogger. ● If there is only one inverter and closed-loop scheduling is enabled, set this parameter to Inverter. ● If closed-loop scheduling is disabled, retain the default value. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 106 The device adjusts Q/S (the ratio curve of the output reactive power to apparent power) in real time based on U/Un(%) (the ratio of the actual power grid voltage to the rated power grid voltage). Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 107: Upgrading The Inverter
Step 3 Connect the USB flash drive to the USB port. The system automatically identifies the USB flash drive and executes all commands specified in the boot script file. View the LED indicator to determine the operating status. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 108 After the restart, the indicator is blinking green slowly for 1 minute and then it becomes steady green, which indicates that the upgrade is successful. ----End Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 109: Maintenance
Therefore, put on protective gloves and begin servicing the SUN2000 15 minutes after the power-off. Procedure Step 1 Run a shutdown command on the SUN2000 app, SmartLogger, or NMS. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 110: Power-Off For Troubleshooting
If the current is higher than 0.5 A, wait until the solar irradiance decreases and the PV string current decreases below 0.5 A at night, and then go to the next step. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 111: Routine Maintenance
----End 8.3 Routine Maintenance To ensure that the solar inverter can operate properly for a long term, you are advised to perform routine maintenance on it as described in this chapter. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 112 Grounding Ground cables are securely The first inspection is reliability connected. 6 months after the initial commissioning. From then on, the interval can be 6 to 12 months. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 113: Troubleshooting
Minor: Some components are faulty without affecting the grid-tied power generation. ● Warning: The solar inverter works properly. The output power decreases or some authorization functions fail due to external factors. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 114 3. If auto recovery from string-to-ground short- circuit protection is enabled, the alarm will be automatically cleared after fault recovery. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 115 Then, turn off the DC switches and add more PV modules. 2. Check whether the PV string is shaded. 3. Check whether the open- circuit voltage of the PV string is normal. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 116 PV string is lost; both 2- string terminals are in-1 PV strings are lost; one of the properly connected. 2-in-1 PV strings is lost. 3. If a 2-in-1 terminal is used, check whether it is normal. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 118 If the AC output power cable is correctly connected, yet the alarm persists and affects the energy yield of the PV plant, contact the local power operator. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 119 If yes, log in to the mobile phone app, SmartLogger, or NMS to modify the power grid underfrequency protection threshold with the consent of the local power operator. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 120 Compone solar inverter inverter output current exceeds automatically recovers the specified upper threshold. Overhigh after the fault is rectified. 2. If the alarm occurs frequently, contact your dealer or technical support. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 121 3. If you are sure that the impedance is less than the default value in a cloudy or rainy environment, reset Insulation resistance protection. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 122 Cause ID = 1 1. Apply for a new license. Expired 1. The privilege license has 2. Load a new license. entered the grace period. 2. The privilege feature will be invalid soon. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 123 PV array output and the ground. If a short circuit occurs or the insulation is insufficient, rectify the fault. 2. If the fault persists, contact your dealer or technical support. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 125 ON position, press the reset buttons of all DC switches inwards until they cannot be moved further, and then turn on the DC switches again. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 126: Replacing A Fan
Figure 8-3 Pulling out fan tray (1) Step 2 Remove the cable ties shared by the cables, unscrew the connectors, and disconnect the cables. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 127 Step 4 Remove cable ties from the faulty fan. ● FAN 1 Faulty Figure 8-6 Removing the FAN 1 cable ties ● FAN 2 Faulty Figure 8-7 Removing the FAN 2 cable ties ● FAN 3 Faulty Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 128 Binding positions for fan 1 Figure 8-11 Binding the FAN 1 cables ● Binding positions for fan 2 Figure 8-12 Binding the FAN 2 cables ● Binding positions for fan 3 Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 129 Step 9 Connect the cables correctly according to the cable labels and bind the cables. Figure 8-15 Reconnecting and binding the cables Step 10 Push the fan tray into the slot and tighten the screw. Figure 8-16 Reinstalling the fan tray ----End Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 130: Resetting And Turning On The Dc Switch
Step 2 Set the DC switches to ON. Step 3 Tighten the caps of the RESET buttons. Figure 8-17 Resetting and turning on the DC switch (DC SWITCH 1 is used as an example) ----End Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 131: Handling The Inverter
9.3 Disposing of the SUN2000 If the SUN2000 service life expires, dispose of it according to the local disposal rules for electrical equipment waste. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 132: Technical Specifications
(480 V) Rated input voltage 600 V (400 V) and 720 600 V (380 V/400 V) 570 V (380 V), 600 V V (480 V) (400 V) and 720 V (480 V) Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 133 185.7 A (380 V) and 168.8 A (380 V), 160.4 current 151.9 A (480 V) 176.4 A (400 V) A (400 V) and 133.7 A (480 V) Power factor 0.8 leading and 0.8 lagging Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 134 (RCMU) Overvoltage category PV II/AC III Display and Communication Item SUN2000-115KTL-M2 SUN2000-110KTL-M2 SUN2000-100KTL-M2 Display LED indicators, WLAN module + app, Bluetooth module + app, USB data cable + app Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 135 4000 m altitude Relative humidity 0%–100% RH Amphenol Helios H4 Input terminal Output terminal Crimping module + OT/DT terminal IP rating IP66 Topology Transformerless Note [1]: Some devices use Staubli MC4 connectors. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 136: A Grid Codes
France island Supported Supported 15-712-1(C) power grid VDE 0126-1-1-BU Bulgaria power Supported Supported grid VDE 0126-1-1- Greece mainland Supported Supported GR(A) power grid VDE 0126-1-1- Greece island Supported Supported GR(B) power grid Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 137 IEC61727 IEC61727 low- Supported Supported voltage power grid (50 Hz) Custom (50 Hz) Reserved Supported Supported Supported Custom (60 Hz) Reserved Supported Supported Supported CEI0-16 Italy power grid Supported Supported Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 138 Thailand PEA Supported Supported medium-voltage power grid TAI-MEA-MV480 Thailand MEA Supported Supported medium-voltage power grid EN50438-DK- Denmark Supported Supported MV480 medium-voltage power grid EN50438-TR- Turkey medium- Supported Supported MV480 voltage power grid Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 139 (60 Hz) IEC61727-60Hz- IEC61727 Supported Supported MV480 medium-voltage power grid (60 CHINA_MV500 China medium- voltage power grid ANRE Romania low- Supported Supported voltage power grid ANRE-MV480 Romania Supported Supported medium-voltage power grid Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 140 Egypt medium- Supported Supported MV480 voltage power grid EN50549-LV Ireland power Supported Supported grid EN50549-MV480 Ireland medium- Supported Supported voltage power grid Jordan- Jordan low- Supported Supported Transmission voltage power grid Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 141 Chile Chile low-voltage Supported Supported power grid Chile-MV480 Chile medium- Supported Supported voltage power grid Mexico-MV480 Mexico medium- Supported Supported voltage power grid Malaysian Malaysia low- Supported Supported voltage power grid Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 142 Supported Supported low-voltage power grid Northern Ireland- Northern Ireland Supported Supported MV480 medium-voltage power grid Cameroon Cameroon low- Supported Supported voltage power grid Cameroon- Cameroon Supported Supported MV480 medium-voltage power grid Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 143 TUNISIA Tunisia power Supported Supported grid TUNISIA-MV480 Tunisia medium- Supported Supported voltage power grid AUSTRALIA-NER Australia NER Supported Supported standard power grid AUSTRALIA-NER- Australia NER Supported Supported MV480 standard power grid Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 144 Taiwan Power Supported Supported low-voltage power grid TAIPOWER- Taiwan Power Supported Supported MV480 medium-voltage power grid ARGENTINA- Argentina Supported Supported MV480 medium-voltage power grid OMAN Oman low- Supported Supported voltage power grid Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 145 Fuel-Engine- Diesel generator Supported Supported Supported Grid-60Hz hybrid power grid ARGENTINA Argentina power Supported Supported grid Mauritius Mauritius power Supported Supported grid Mauritius-MV480 Mauritius Supported Supported medium-voltage power grid Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 146 G99_TypeB_HV medium-voltage power grid G99-TYPEA-HV Supported Supported G99_TypeA_HV power grid EN50549-MV400 Ireland power Supported Supported grid VDE-AR-N4110 Germany Supported Supported medium-voltage power grid VDE-AR-N4110- Germany Supported Supported MV480 medium-voltage power grid Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 147 Cambodia Cambodia power Supported Supported grid Cambodia- Cambodia Supported Supported MV480 medium-voltage power grid EN50549-SE Sweden low- Supported Supported voltage power grid GREG030 Colombia low- Supported Supported voltage power grid Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 148 DENMARK- Denmark power Supported Supported EN50549-DK1- grid LV230 DENMARK- Denmark power Supported Supported EN50549-DK2- grid LV230 AUSTRALIA- Australia power Supported Supported AS4777_A-LV230 grid AUSTRALIA- Australia power Supported Supported AS4777_B-LV230 grid Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 149 SUN2000-100KT (Country/ L-M2 L-M2 L-M2 Region/ Standard/ Others) AUSTRALIA- Australia power Supported Supported AS4777_C-LV230 grid AUSTRALIA- Australia power Supported Supported AS4777_NZ- grid LV230 INVALID GRID Invalid grid code Supported Supported CODE Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 150: B Resetting Password
10 minutes, all parameters of the inverter remain unchanged.) ----End NO TICE You are advised to reset the password in the morning or at night when the solar irradiance is low. Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 151: C Domain Name Of The Management System
The list is subject to change. Table C-1 Domain names of management systems Domain Name Data Type Scenario intl.fusionsolar.huawei.com Public IP address FusionSolar hosting cloud NOTE The domain name is compatible with cn.fusionsolar.huawei.com (Chinese mainland). Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 152: D Contact Information
For details, visit solar.huawei.com. Asia Australia eu_inverter_support@huawei.com 1800046639 Pacifi Türkiye eu_inverter_support@huawei.com Malaysia apsupport@huawei.com 0080021686868 /1800220036 Thailand (+66) 26542662 (charged at local call rates) 1800290055 (free in Thailand) China solarservice@huawei.com 400-822-9999 Others apsupport@huawei.com 0060-3-21686868 Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 153 Africa Saudi 8001161177 Arabia Pakistan 0092512800019 Morocco 0800009900 Others 0020235353900 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 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.
Page 154: E Acronyms And Abbreviations
SUN2000-(100KTL, 110KTL, 115KTL)-M2 User Manual E Acronyms and Abbreviations Acronyms and Abbreviations light emitting diode MBUS monitoring bus maximum power point MPPT maximum power point tracking photovoltaic RCMU residual current monitoring unit Issue 07 (2023-04-30) Copyright © Huawei Technologies Co., Ltd.

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