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Huawei SUN2000-75KTL Series User Manual
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Huawei SUN2000-75KTL Series User Manual

Huawei SUN2000-75KTL Series User Manual

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SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series
User Manual
Issue
24
Date
2024-08-20
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-75KTL Series

  • Page 1 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual Issue Date 2024-08-20 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 Indicates a potentially hazardous situation which, if not avoided, could result in equipment damage, data loss, performance deterioration, or unanticipated results. NOTICE is used to address practices not related to personal injury. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 4 Specifications. Issue 21 (2023-12-18) Updated 2.3 Label Description. Updated 2.4 Product Appearance. Updated 5.7 Connecting DC Input Power Cables. Updated 8.4 Alarm Reference. Issue 20 (2023-10-10) Updated 5.7.1 Cable Connection Description. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 5 5.6 Connecting an AC Output Power Cable. Updated 7.1.3 Logging In to the App. Deleted the content about operations related to a USB flash drive. Updated 8.4 Alarm Reference. Updated A Grid Codes. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 6.2 System Power-On. Updated 10 Technical Specifications. Updated A Grid Codes. Issue 10 (2021-09-28) Updated 2.3 Label Description. Updated 2.4.1 Product Appearance. Updated 4.5 Installing the Inverter. Updated 5.2 Preparing Cables. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 7 4.3 Determining the Installation Position. Issue 05 (2020-03-30) Updated 2.4.2 Indicator Status. Updated 10 Technical Specifications. Issue 04 (2020-02-07) Updated 5.7 Connecting DC Input Power Cables. Issue 03 (2019-12-08) Updated 3 Inverter Storage. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 8 Added D Domain Name List of Management Systems. Issue 02 (2019-08-09) Added the SUN2000-110KTL-M0, SUN2000-100KTL-M0, SUN2000-100KTL-M1, and SUN2000-100KTL-INM0 models. Issue 01 (2019-05-15) This issue is used for first office application (FOA). Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 9 5.1 Precautions....................................48 5.2 Preparing Cables................................... 49 5.3 Connecting a PE Cable................................ 58 5.4 Opening the Maintenance Compartment Door......................59 5.5 (Optional) Installing the Power Cable of the Tracking System................62 Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd. viii...
  • Page 10 B Resetting a Password......................139 C AFCI............................140 D Domain Name List of Management Systems.............. 142 E Contact Information......................143 F Digital Power Customer Service..................145 G Acronyms and Abbreviations................... 146 Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 11 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 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 12 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 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 13 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 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 14 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 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 15 If the equipment has multiple inputs, disconnect all the inputs before operating the equipment. ● Before maintaining a downstream electrical or power distribution device, turn off the output switch on the power supply equipment. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 16 If the external conditions (such as the cable layout or ambient temperature) change, verify the cable usage in accordance with the IEC-60364-5-52 or local laws and regulations. For example, check that the current-carrying capacity meets requirements. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 17 ● Keep the installation and operating environments of the equipment within the allowed ranges. Otherwise, its performance and safety will be compromised. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 18 When installing the equipment, ensure that the installation surface is solid enough to bear the weight of the equipment. ● After installing the equipment, remove the packing materials such as cartons, foam, plastics, and cable ties from the equipment area. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 19 If two persons or more move a heavy object together, ensure that the object is lifted and landed simultaneously and moved at a uniform pace under the supervision of one person. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 20 Ensure that the ladder is securely positioned and held firm. ● When climbing up the ladder, keep your body stable and your center of gravity between the side rails, and do not overreach to the sides. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 21 During hoisting, do not stand or walk under the crane or the hoisted objects. ● Do not drag steel ropes and hoisting tools or bump the hoisted objects against hard objects during hoisting. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 22 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 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 23 Overview 2.1 Product Model Model Description NO TICE The SUN2000-125KTL-M0, SUN2000-110KTL-M0, and SUN2000-100KTL-M0 are applicable only to the Chinese mainland. For other countries or regions, Huawei does not provide quality assurance. This document involves the following product models: ● SUN2000-125KTL-M0 ●...
  • Page 24 You can obtain the inverter model from the model label on the external package and the nameplate on the side of the enclosure. Figure 2-2 Position of the model label on the external package (1) Position of the model label Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 25 2.2 Product Introduction Function The SUN2000 is a grid-tied PV string inverter. It converts the DC power generated by PV strings into AC power and then feeds the power into the power grid. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 26 ● Connect the SUN2000-125KTL-M0 to a dedicated power transformer instead of a low- voltage overhead power cable. ● In non-low-voltage grid connection scenarios, the SUN2000-100KTL-M1, SUN2000-100KTL-INM0, and SUN2000-75KTL-M1 need to be connected to an isolation transformer and overhead cabling shall be avoided. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 27 Take protective measures when operating the inverter. Before powering on the inverter, ensure that the inverter is grounded because there is a large contact current after the inverter is powered on. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 28 Protective earthing Indicates the position for connecting the protective earthing (PE) cable. Operation warning Do not remove the DC input connector when the inverter is running. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 29 DC switch. Instead, follow the instructions in the section "Resetting and Turning On the DC Switch" in the user manual, or contact after- sales service personnel. 2.4 Product Appearance Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 30 DC SWITCH 3) to prevent them from being turned on by mistake. Figure 2-7 Port description (manual DC switch) (1) DC input terminal group 1 (PV1–PV8, (2) (Optional) DC switch locking screw hole 1 controlled by DC SWITCH 1) Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 31 (11) DC switch 3 (DC SWITCH 3) (12) Reset button 3 (RESET 3) (13) Ventilation valve (14) USB port (USB) (15) Communications port (COM) (16) AC output cable hole (17) Tracking system power cable hole Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 32 RESET button will be released. ● If the RESET button is not pressed, the DC switch can only be turned to the marked position and cannot be set to the ON position. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 33 Figure 2-9 Dimensions Wiring Area Figure 2-10 Wiring ports of a 3-pin model (SUN2000-125KTL-M0) (1) DC input terminals (2) RS485 port (3) Ground point on the enclosure (4) AC terminal block (3-pin) Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 34 Figure 2-11 Wiring ports of a 4-pin model (SUN2000-110KTL-M0, SUN2000-100KTL-M0, SUN2000-100KTL-M1, SUN2000-100KTL-INM0, and SUN2000-75KTL-M1) (1) DC input terminals (2) RS485 port (3) Ground point on the enclosure (4) AC terminal block (4-pin) 2.4.2 Indicator Status Figure 2-12 Indicators Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 35 Local Steady The local maintenance is successful. maintenanc green Issue 24 (2024-08-20) e state Copyright © Huawei Technologies Co., Ltd. Blinking The local maintenance failed. green fast Blinking The device is under local maintenance or green slowly shut down after receiving a command.
  • Page 36 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. Figure 2-13 Schematic diagram of a 3-pin model Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 37 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 2 Overview Figure 2-14 Schematic diagram of a 4-pin model 2.5.2 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 38 ● 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 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 ● Do not tilt a packing case or place it upside down. ● To avoid personal injury or device damage, stack inverters with caution to prevent them from falling over. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 40 If an inverter has not been running for six months or longer after being mounted, it may have failed and must be checked and tested by professionals before being put into operation. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 41 After unpacking the inverter, check that the contents are intact and complete. If any item is missing or damaged, contact your dealer. NO TE Packing List in the packing case. For details about the quantity of deliverables, see the Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 42 Utility knife Cable cutter Crimping tool Crimping tool Model: H4TC0003 Model: PV- CZM-22100 Manufacturer: AMPHENOL Manufacturer: Staubli (for Amphenol Helios H4 (for Staubli MC4 terminals only) terminals only) Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 43 Steel measuring Level Hydraulic pliers Heat shrink tape tubing Heat gun Cable tie Scissors RJ45 crimping tool Vacuum cleaner Insulation resistance tester (output voltage > 1500 V) Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 44 If the magnetic field strength is high, for example, in a smeltery, you are advised to use a gauss meter to measure the magnetic field strength of the equipment installation position when the smelting equipment is running normally. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 45 In residential areas, do not install the inverter on plaster board walls or walls made of similar materials with a weak sound insulation performance because the noise generated by the inverter may interfere with residents. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 46 Install the inverter vertically or at a maximum back tilt of 75 degrees to facilitate heat dissipation. ● Do not install the inverter at forward tilted, excessive back tilted, side tilted, horizontal, or upside down positions. Figure 4-2 Installation angle Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 47 When installing multiple inverters, install them in horizontal mode if sufficient space is available and install them in triangle mode if no sufficient space is available. Stacked installation is not recommended. Figure 4-4 Horizontal installation (recommended) Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 48 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 4 Installation Figure 4-5 Triangle installation (recommended) Figure 4-6 Stacked installation (not recommended) Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 49 Figure 4-8 Hole dimensions 4.4.1 Support Mounting Prerequisites M12x40 bolt assemblies are delivered with the mounting bracket. If the length does not meet the installation requirements, the customer shall prepare M12 bolt Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 Step 2 Drill holes using a hammer drill and install expansion bolts. WARNING Avoid drilling holes into the water pipes and power cables buried in the wall. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 51 Otherwise, the mounting bracket will not be evenly installed on the concrete wall. Step 3 Secure the mounting bracket. Figure 4-10 Installing the mounting bracket ----End Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 ● To avoid damage to the inverter, do not lift or hoist it with an improper hold as shown in Figure 4-12. Figure 4-11 Positions for installing the lifting handles (A) Transportation scenario (B) Installation scenario Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 53 Step 1 Take out the inverter from the packing case and move it to the installation position. Figure 4-13 Taking out the inverter Step 2 (Optional) Install the DC switch locking screws. NO TE Perform this step for models used in Australia based on local standards. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 NO TICE Hoist the inverter with care to protect it from colliding with the wall or other objects. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 55 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 4 Installation Figure 4-16 Hoisting the inverter Step 5 Install the inverter on the mounting bracket and align the inverter enclosure with the mounting bracket. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 56 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 4 Installation Figure 4-17 Mounting the inverter Step 6 Secure the inverter. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 57 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 4 Installation Figure 4-18 Tightening security torx screws ----End Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 58 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 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 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 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 60 (F) Smart Dongle (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 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 61 SUN2000s be connected to each COM port on the SmartLogger and that less than ten SUN2000s be cascaded over the Smart Dongle. ● The RS485 communication distance between the SUN2000 at the end and the SmartLogger cannot exceed 1000 m. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 62 Company scenarios using a power meter. Recommended power meter models: DHSU1079-ZT and DTSU71C. Tracking system The angle of trackers can be adjusted. Prepared by the customer Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 63 ● The cable diameter must comply with local cable standards. ● The factors to be considered in cable selection include the rated current, cable type, routing mode, ambient temperature, and maximum acceptable line loss. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 PE) outdoor cables, M12 OT/DT – S ≥ S/2 terminals (L1, L2, and L3), and M10 OT/DT terminals (PE) are recommended. You do not need to prepare a PE cable. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 65 4– 11 mm ● Three communic ations cables: 4– 8 mm Single-core outdoor ≥ S/2 Prepared PE cable copper cable and M10 by the OT/DT terminal customer Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 66 5 Electrical Connections Cable Type Conductor Outer Source Cross-Sectional Diameter Area Tracking Three-core outdoor 15–18 mm Prepared 10 mm system power copper cable with dual- by the cable layer protection customer Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 (L1, L2, L3, N, and PE) outdoor cable, M12 OT/DT terminals (L1, L2, L3, and N), and M10 OT/DT terminals (PE). Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 68 ● It is recommended that the inverter be connected to a nearby PE point. Connect the PE points of all inverters in the same array to ensure equipotential connections to PE cables. Procedure Step 1 Connect the PE cable to the PE point. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 69 If protective measures cannot be taken, do not open 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 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 70 Step 2 Remove the accessories and set them aside. Figure 5-8 Removing the accessories Step 3 Select a crimping module based on the type of the AC output power cable in use. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 71 Remove a rubber ring strictly based on the cable diameter range and ensure that the crimping module is not damaged. Otherwise, the IP rating of the device will be affected. Figure 5-10 Removing a rubber ring Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 72 Step 1 Prepare a cable. Step 2 Remove the corresponding rubber rings. Step 3 Connect the power cable of the tracking system. Figure 5-11 Connecting the power cable of the tracking system ----End Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 73 Connecting the power cable of the tracking system after the AC output power cable will cause reworking. Figure 5-12 Cable connection sequence (1) Power cable of the tracking system (2) AC output power cable Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 74 ● If copper-aluminum transition spacers are used, pay attention to the front and rear sides. 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. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 5 Electrical Connections Figure 5-13 Requirements for the OT/DT terminal Figure 5-14 AC terminal block dimensions of a 3-pin model Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 76 Step 3 Secure the AC output power cable and PE cable. Step 4 Adjust the support bar. Step 5 Close the maintenance compartment door and tighten the two screws on the door. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 77 ● 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. Figure 5-16 Multi-core cable connection Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 The cable outer diameter ranges from 32 mm to 36 mm only for some models. For details about the outer diameter, see the label in the maintenance compartment. Figure 5-18 3-pin model (125KTL) cable connections (A) Four-core cable (B) Three-core cable (C) Single-core cable Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 79 (F) Single-core cable the neutral wire) (excluding the neutral wire) NO TE The cable colors shown in the figures are for reference only. Select an appropriate cable according to the local standards. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 80 ● If Amphenol Helios H4 PV connectors are used, perform operations by referring 5.7.2 Connecting Cables to Amphenol Helios H4 Terminals. ● If Staubli MC4 PV connectors are used, perform operations by referring to 5.7.3 Connecting Cables to Staubli MC4 Terminals. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 81 PV strings may be short-circuited to ground if the power cables are not properly installed or routed. In this case, an AC or DC short circuit may occur and damage the inverter. The resulting device damage is not covered under any warranty. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 82 If the number of PV inputs is 11 to 19, connect cables to the odd-numbered PV terminals from PV1 and PV19, and avoid connections to adjacent MPPTs if possible. For 11 to 19 PV strings, the following DC input terminals are recommended. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 83 If the voltage is a negative value, the DC input polarity is incorrect. Rectify the connection. ● If the voltage is greater than 1100 V, too many PV modules are connected to the same string. Remove some PV modules. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 84 Figure 5-24 Measuring the insulation resistance of all PV– cables Step 7 Insert the positive and negative connectors into the corresponding DC positive and negative input terminals of the inverter. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 85 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 5 Electrical Connections Figure 5-25 Connecting DC input power cables Figure 5-26 Connector connection Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 86 ● Ensure that the connectors are properly connected. Any connector damage due to improper connection is not covered under any warranty. Figure 5-27 DC input power cabling requirement Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 87 If the insulation resistance is greater than or equal to 1 MΩ, the insulation resistance is normal. ● If the insulation resistance is less than 1 MΩ, troubleshoot the insulation fault of the cable. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 88 Figure 5-29 Measuring the insulation resistance of all PV– cables Step 7 Insert the positive and negative connectors into the corresponding DC positive and negative input terminals of the inverter. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 89 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 5 Electrical Connections Figure 5-30 Connecting DC input power cables Figure 5-31 Connector connection Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 90 ● Ensure that the connectors are properly connected. Any connector damage due to improper connection is not covered under any warranty. Figure 5-32 DC input power cabling requirement Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 91 Used to cascade differential signal+ differential signal+ inverters or connect devices such as the RS485B IN, RS485 RS485B OUT, RS485 SmartLogger. differential signal– differential signal– PE, shield layer PE, shield layer grounding grounding Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 92 When routing communications cables, separate them from power cables and connect the shield layer to the PE point to prevent communication from being affected. This section describes how to connect three communications cables. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 93 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 5 Electrical Connections Figure 5-34 Connecting RS485 communications cables (4–8 mm four-hole rubber ring) Figure 5-35 Connecting RS485 communications cables (4–8 mm two- or three- hole rubber ring) Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 94 ● When removing the SIM card, push it inward to eject it. ● When reinstalling the enclosure of the Smart Dongle, ensure that the snap-fits click into place. Figure 5-36 Installing the 4G Smart Dongle (SDongleA-03) Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 ● For details about how to use the 4G Smart Dongle SDongleB-06, see SDongleB-06 Smart Dongle Quick Guide (4G). You can scan the QR code below to obtain the guide. The quick guide is delivered with the Smart Dongle. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 96 The maintenance compartment door is closed and the door screws are tightened. Unused DC input terminals are sealed with sealing plugs. Waterproof plugs on unused USB and RESET ports are tightened. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 97 Step 2 (Optional) Remove the locking screws next to DC SWITCH 1, DC SWITCH 2, and DC SWITCH 3. Store the screws properly for future power-off maintenance. NO TE Perform this step for models used in Australia based on local standards. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 98 Step 5 Observe the LED indicators to check the operating status of the inverter. Step 6 Perform quick settings on the SUN2000 app. For details, see 7.1 Operations with the SUN2000 App. ----End Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 99 ● 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 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 100 FusionSolar app: Scan the QR code and download the latest installation package. ● SUN2000 app: Log in to Huawei AppGallery , search for SUN2000, and download the app installation package. You can also scan the QR code to download the installation package.
  • Page 101 USB cable. In the scenario where the SUN2000 connects to FusionSolar SmartPVMS, open the FusionSolar app and access Commissioning. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 102 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 7 Man-Machine Interactions Figure 7-3 Selecting a connection mode (Internet access available) Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 103 7 Man-Machine Interactions Figure 7-4 Selecting a connection mode (Internet access unavailable) In the scenarios where the SUN2000 connects to other management systems, open the SUN2000 app and access the operation screen. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 104 ● For details about the permissions of an installer user, see those of advanced and special users. The following parameter settings use advanced and special users as examples. – The login users are Common User, Advanced User, and Special User. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 105 Advanced User. When you log in as Common User or Special User, enter the password of Advanced User in the dialog box and confirm the password to access the Quick Settings screen. Figure 7-6 Login Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 106 ● If the device has been connected to the SmartLogger, the quick settings screen will not be automatically displayed when the device is connected to the app. ● Set the correct grid code based on the application area and scenario of the inverter. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 107 To set inverter parameters, tap Settings. For details about the parameters, see FusionSolar App and SUN2000 App Device Commissioning Guide. You can also scan the QR code to obtain the document. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 108 USB flash drive-related operations succeeded. Step 4 The system automatically restarts when the upgrade is completed. All indicators are off during the restart. After the restart, the preceding indicator is blinking Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 109 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 7 Man-Machine Interactions green slowly for one minute until becoming steady on, which indicates that the upgrade is successful. ----End Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 110 ● After the inverter system is powered off, the residual electricity and heat on the enclosure may still cause electric shocks and body burns. Therefore, wait for at least 15 minutes after inverter power-off and put on protective gloves before working on the inverter. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 111 Figure 8-1 Installing the DC switch locking screws ----End 8.2 Power-Off for Maintenance Context To prevent personal injury and equipment damage, perform the following procedure to power off the inverter for troubleshooting or replacement. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 112 Ensure that the AC side of the inverter is powered off. Step 6 Set all DC switches of the inverter to OFF. If the DC switches are automatically turned off, go to the next step. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 113 ● If you need to open the maintenance compartment door on rainy or snowy days, take protective measures to prevent rain or snow from entering the maintenance compartment. If protective measures cannot be taken, do not open the maintenance compartment door. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 114 6 to 12 months after that Vegetation ● Perform inspection and weeding Based on the local around the as required. wilting season inverter ● Clean the site promptly after weeding. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 115 Step 1 Remove the screws from the fan tray and store them properly. Pull out the fan tray until the fan tray is flush with the inverter enclosure. Figure 8-3 Pulling out the fan tray (1) Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 116 Figure 8-5 Pulling out the fan tray (2) Step 4 Remove cable ties of the faulty fan. ● FAN 1 is faulty. Figure 8-6 Removing cable ties from FAN 1 ● FAN 2 is faulty. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 117 Figure 8-9 Removing a fan Step 6 Install a new fan (FAN 1 is used as an example). Figure 8-10 Installing a fan Step 7 Bind the fan cables. ● Binding positions for FAN 1 Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 118 Step 8 Push in the fan tray until the fan baffle plate is flush with the inverter enclosure. Figure 8-14 Pushing in the fan tray Step 9 Connect the cables correctly according to the cable labels and bind the cables. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 119 Step 1 Loosen the nuts on the RESET buttons under the three DC switches, and press the RESET buttons inwards until they cannot go further. Step 2 Set the DC SWITCH to ON. Step 3 Tighten the nuts of the RESET buttons. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 120 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual 8 Maintenance Figure 8-17 Resetting and turning on a DC switch (DC SWITCH 1 is used as an example) ----End Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 121 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 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 122 ≥ 98.6% (480 Input Item SUN2000-1 SUN2000-1 SUN2000-1 SUN2000-1 SUN2000-1 SUN2000-7 25KTL-M0 10KTL-M0 00KTL-M0 00KTL-M1 00KTL- 5KTL-M1 INM0 Maximum 1100 V input voltage Operating 200–1000 V voltage range Minimum 200 V startup voltage Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 123 MPPT voltage. Output Item SUN2000-1 SUN2000-1 SUN2000-1 SUN2000-1 SUN2000-1 SUN2000-7 25KTL-M0 10KTL-M0 00KTL-M0 00KTL-M1 00KTL- 5KTL-M1 INM0 Rated 125 kW 110 kW 100 kW 100 kW 100 kW 75 kW active power Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 124 (400 V) (400 V), (480 V) (400 V), 133.7 A 90.25 A (480 V) (480 V) Power 0.8 leading to 0.8 lagging factor Maximum < 3% total harmonic distortion (rated power) Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 125 Input Supported reverse connection protection PV string Supported fault detection DC surge Supported protection AC surge Supported protection Insulation Supported resistance detection RCMU Supported Overvoltag PV II/AC III e category Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 126 Relative 0%–100% RH humidity Input Amphenol Helios H4 terminal Output OT+waterproof terminal terminal IP rating IP66 Topology Transformerless Note [1]: The devices with certain BOM numbers use Staubli MC4 connectors. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 127 N-4105 low- voltage power grid NB/T China Suppor Support Supporte 32004 low- voltage power grid UTE C France Supporte 15-712-1( mainland power grid UTE C France Supporte 15-712-1( island power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 128 240 V power grid (I > 16 A) G83- England Supporte England 230 V power grid (I < 16 A) G83- Scotland Supporte Scotland 240 V power grid (I < 16 A) Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 129 Australia Supporte power grid IEC 61727 IEC 61727 Supporte Supporte low- voltage power grid (50 Custom Reserved Suppor Support Supporte Supporte (50 Hz) Custom Reserved Suppor Support Supporte Supporte (60 Hz) Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 130 Supporte Supporte MV480 (60 Hz) G59- UK 480 V Supporte England- medium- MV480 voltage power grid (I > 16 A) IEC61727- IEC 61727 Supporte Supporte MV480 medium- voltage power grid (50 Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 131 Denmark Supporte medium- MV480 voltage power grid C11/C10- Belgium Supporte MV480 medium- voltage power grid Philippine Philippine Supporte s low- voltage power grid Philippine Philippine Supporte s-MV480 medium- voltage power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 132 (60 IEC61727- IEC 61727 Supporte Supporte 60Hz- medium- MV480 voltage power grid (60 CHINA_M China Supporte V500 medium- voltage power grid ANRE Romania Supporte low- voltage power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 133 India 500 Supporte 50Hz- MV500 medium- voltage power grid CEI0-16- Italy Supporte MV480 medium- voltage power grid PO12.3 Spain Supporte low- voltage power grid CEI0-21- Italy Supporte MV480 medium- voltage power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 134 Supporte Supporte medium- 16149- voltage MV480 power grid INDIA India low- Supporte voltage power grid INDIA- India Supporte MV500 medium- voltage power grid SA_RPPs South Supporte Africa low- voltage power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 135 Ireland- Ireland MV480 medium- voltage power grid VDE-AR- VDE 4120 Supporte Supporte N4120_H standard power grid VDE-AR- VDE 4120 Supporte Supporte N4120_H standard V480 power grid Vietnam Vietnam Supporte power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 136 EN50438- Netherlan Supporte MV480 medium- voltage power grid Fuel_Engi Genset Suppor Support Supporte Supporte ne_Grid hybrid power grid Fuel- Genset Suppor Support Supporte Supporte Engine- hybrid Grid-60Hz power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 137 TYPEA-LV TYPEA-LV power grid G99- UK G99- Supporte TYPEB-LV TYPEB-LV power grid G99- UK G99- Supporte TYPEB-HV TYPEB-HV power grid G99- UK G99- Supporte TYPEB- TYPEB-HV medium- MV480 voltage power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 138 MV480 voltage power grid Spain Supporte power grid NTS- Spain Supporte MV480 medium- voltage power grid C10/11- Belgium Supporte MV400 medium- voltage power grid India CEA Supporte low- voltage power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 139 Türkiye Supporte medium- MV480 voltage power grid EN50438- Türkiye Supporte low- voltage power grid Egypt Egypt Supporte ETEC low- voltage power grid Egypt Egypt Supporte ETEC- medium- MV480 voltage power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 140 ZAMBIA- Zambia Supporte MV480 medium- voltage power grid Chile Chile low- Supporte voltage power grid Chile- Chile Supporte MV480 medium- voltage power grid Mexico- Mexico Supporte MV480 medium- voltage power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 141 NIGERIA Nigeria Supporte low- voltage power grid NIGERIA- Nigeria Supporte MV480 medium- voltage power grid DUBAI Dubai Supporte low- voltage power grid DUBAI- Dubai Supporte MV480 medium- voltage power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 142 Distributi power distributio MV480 n network medium- voltage power grid NAMIBIA_ Namibia Supporte MV480 power grid LEBANON Lebanon Supporte low- voltage power grid LEBANON Lebanon Supporte -MV480 medium- voltage power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 143 TUNISIA- Tunisia Supporte MV480 medium- voltage power grid AUSTRALI Australia Supporte A-NER standard power grid AUSTRALI Australia Supporte A-NER- MV480 standard power grid SAUDI Saudi Supporte Arabia power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 144 Chile- Chile Supporte PMGD- PMGD MV480 power grid ARGENTI Argentina Supporte medium- MV480 voltage power grid OMAN Oman Supporte low- voltage power grid OMAN- Oman Supporte MV480 medium- voltage power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 145 -MV480 medium- voltage power grid ARGENTI Argentina Supporte power grid Mauritius Mauritius Supporte power grid Mauritius Mauritius Supporte -MV480 medium- voltage power grid HONGKO Hong Supporte Kong low- voltage power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 146 GREG030- Colombia Supporte MV440 medium- voltage power grid GREG030- Colombia Supporte MV480 medium- voltage power grid PORTUGA Portugal Supporte low- voltage power grid PORTUGA Portugal Supporte L-MV480 medium- voltage power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 147 Supporte power grid AUSTRALI Australia Supporte power AS4777_A grid -LV230 AUSTRALI Australia Supporte power AS4777_B grid -LV230 AUSTRALI Australia Supporte power AS4777_C grid -LV230 AUSTRALI Australia Supporte power AS4777_N grid Z-LV230 Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 148 CZECH- Czech Supporte EN50549- Republic LV230 power grid CZECH- Czech Supporte EN50549- Republic MV480 power grid BRAZIL- Brazil Supporte P140- P140 LV220 power grid BRAZIL- Brazil Supporte P140-480 P140 power grid Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 149 ● SUN2000 V500R001C00SPC126 and later versions support password resetting. ● SUN2000ME V500R023C00SPC020 and later versions support password resetting. ● You are advised to reset the password in the morning or at night when the solar irradiance is low. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 150 To disable this function, log in to the FusionSolar App, enter the Device Commissioning screen, choose Settings > Feature parameters, and disable AFCI. NO TE The AFCI function works only with Huawei optimizers or ordinary PV modules, but does not support third-party optimizers or intelligent PV modules. Clearing Alarms The AFCI function involves the DC arc fault alarm.
  • Page 151 Switch to the owner account with PV plant management rights. On the home page, click the PV plant name to go to the PV plant page, and click OK as prompted to clear the alarm. Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 152 The list is subject to change. Table D-1 Domain names of management systems Domain Name Data Type Scenario intl.fusionsolar.huawei.co Public IP address FusionSolar SmartPVMS NOTE The domain name is compatible with cn.fusionsolar.huawei.com (Chinese mainland). Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 153 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 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 154 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual E 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 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 155 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual F Digital Power Customer Service Digital Power Customer Service https://digitalpower.huawei.com/robotchat/ Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 156 G Acronyms and Abbreviations Acronyms and Abbreviations California Energy Commission Concentrated Photovoltaics technology light emitting diode MBUS monitoring bus maximum power point MPPT maximum power point tracking potential induced degradation photovoltaic Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 157 SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series User Manual G Acronyms and Abbreviations RCMU residual current monitoring unit WEEE waste electrical and electronic equipment Issue 24 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

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