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Huawei SUN2000-250KTL Series User Manual
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Huawei SUN2000-250KTL Series User Manual

Huawei SUN2000-250KTL Series User Manual

Three-phase grid-tied pv string inverter
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SUN2000-(250KTL, 280KTL, 300KTL, 330KTL)
Series
User Manual
Issue
13
Date
2024-06-30
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-250KTL Series

  • Page 1 SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series User Manual Issue Date 2024-06-30 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 Indicates a hazard with a low level of risk which, if not avoided, could result in minor or moderate injury. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 4 2.1 Model Number Description. Updated 2.6 Label Description. Updated 3 Storage Requirements. Updated 4.2.1 Site Selection Requirements. Updated 4.2.2 Clearance Requirements. Updated 5.2 Preparing Cables. Updated 5.4 Connecting an AC Output Power Cable. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 5 8.7 Locating Insulation Resistance Faults. Updated 9 Alarm Reference. Adjusted the document structure. Issue 06 (2023-05-12) Updated 5.2 Preparing Cables. Added 5.5 Requirements for AC Power Cable Stripping Outside the Compartment. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 7 Power-On and Commissioning. Updated 9 Alarm Reference. Updated 10 Technical Specifications. Updated C Grid Codes. Updated E Contact Information. Issue 01 (2022-10-09) This issue is used for first office application (FOA). Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 7 5.1 Precautions....................................44 5.2 Preparing Cables................................... 46 5.3 Connecting a PE Cable................................ 50 5.4 Connecting an AC Output Power Cable........................50 5.5 Requirements for AC Power Cable Stripping Outside the Compartment............57 Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 8 A Crimping an OT or DT Terminal..................97 B Domain Name List of Management Systems...............100 C Grid Codes..........................101 D Resetting Passwords......................110 E Contact Information......................112 F Digital Power Customer Service..................114 G Acronyms and Abbreviations................... 115 Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 9 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 10 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 11 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 12 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 13 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 14 For example, check that the current-carrying capacity meets 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 15 Keep the installation and operating environments of the equipment within the allowed ranges. 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 16 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 17 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 18 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 19 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 20 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 21 PV strings into AC power and feeds the power into the power grid. 2.1 Model Number Description This document involves the following product models: ● SUN2000-250KTL-H1 ● SUN2000-250KTL-H3 ● SUN2000-280KTL-H0 ● SUN2000-300KTL-H0 ● SUN2000-330KTL-H1 ● SUN2000-330KTL-H2 Figure 2-1 Model number Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 22 NO TICE The MBUS communication is applicable to medium-voltage grid connection scenarios and non-low-voltage public grid connection scenarios (industrial environment). Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 23 Figure 2-3 MBUS networking application (double-winding transformer +SmartMBUS CCO) (A) PV strings (B) SUN2000s (C) AC combiner box (D) Transformer station (E) Power grid (F) SmartMBUS CCO01B (G) SmartLogger (H) Management system Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 24 (G) Power grid (H) Management system Figure 2-5 RS485 networking application (SmartLogger) (A) PV strings (B) SUN2000s (C) AC combiner box (D) Transformer station (E) Power grid (F) SmartLogger (G) Management system Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 25 (H) Management system Figure 2-7 RS485 networking application (Smart Dongle) (A) PV strings (B) SUN2000s (C) AC combiner box (D) Transformer station (E) Power grid (F) Smart Dongle (G) WebUI (H) Management system Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 26 The SUN2000 supports the IT earthing system in PV-only scenarios. The use of the SUN2000 in other types of earthing systems, such as TT, TN-C, and TN-C-S, is not recommended. (If such an earthing system is encountered, contact the Company's engineers.) Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 27 (13) DC switch 2 (DC SWITCH 2) (14) Tracking system power cable hole (15) AC output power cable holes NO TE Note [1]: The silkscreen on some models is MAIN SWITCH. The actual product silkscreen may vary. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 28 SUN2000 was generated. The SUN2000 is not in grid-tied mode. Communication Blinking green fast The SUN2000 receives communication data indicator normally. The SUN2000 has not received communication data for 10 seconds. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 29 ● If the alarming and the local maintenance happen concurrently, the alarm/maintenance indicator shows the local maintenance state first. After the USB flash drive, WLAN module, or USB data cable is removed, the indicator shows the alarm state. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 30 MPPT circuits inside the SUN2000 to track the maximum power point of the PV strings. The DC power is converted into three-phase AC power through an inverter circuit. Surge protection is supported on both the DC and AC sides. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 31 SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series User Manual 2 Overview Figure 2-11 Circuit diagram 2.5 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Figure 2-12 Working modes Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 32 Do not touch the inverter when it is hazard running because its enclosure is hot. Electric shock hazard Hazardous voltage exists after the device is powered on. Take protective measures during operation and maintenance (O&M). Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 33 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. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 34 → Turn off the AC switch. → Turn off all DC switches. → Use a clamp meter to check that the PV strings have no current. → Remove or insert the DC terminal. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 35 ● Inverters must be stored in a clean and dry environment with appropriate temperature and humidity. The air must not contain corrosive or flammable gases. Figure 3-1 Storage temperature and humidity Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 36 Do not store inverters for more than two years. If inverters have been stored for two years or longer, they must be checked and tested by professionals before being put into use. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 37 If the inverter is installed in public places (such as parking lots, stations, and factories) other than working and living areas, install a protective net outside the device and set up a safety warning sign to isolate the device. This is to Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 38 AC combiner box or the low- voltage panel of the transformer station must be at least 20 m. The inverter provides output resonance self-protection. Its energy yield may decrease if Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 Inverter failure due to not using dedicated PV terminal plugs is not covered under the warranty. NO TE The inverter shall be physically isolated from third-party wireless communications facilities and residential environments at a distance greater than 30 m. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 40 Ensure that the installation surface is solid enough to bear the weight of the inverter to avoid personal injury or property loss caused by the collapse of the mounting structure or other reasons. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 41 The clearance around the SUN2000 may become insufficient for reasons such as rotation axis change. The energy yield of the inverter may decrease if heat cannot be effectively dissipated. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 42 The triangle, back-to-back, and close-to-wall installation modes are not recommended. For triangle, back-to-back, and close-to-wall installation modes, you need to prepare air baffles to isolate air intake from air exhaust. Figure 4-5 Horizontal installation mode (recommended) Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 43 When the distance between the mounting bracket and the wall is 120 mm, the recommended dimensions of an air baffle are as follows: Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 44 Install the SUN2000 vertically or at a maximum back tilt of 75 degrees to facilitate heat dissipation. ● Do not install the SUN2000 at forward tilted, excessive back tilted, side tilted, horizontal, or upside down positions. Figure 4-10 Installation angle Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 45 Crane Pallet truck Lifting rope Table 4-4 Hardware installation tools Flat-head Phillips insulated Insulated torque Torx key insulated torque torque socket wrench screwdriver screwdriver (M4/M10/M12, (M3) (M3/M4) including an extended socket) Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 46 Table 4-5 Cable installation tools Cable cutter Wire strippers Diagonal pliers Hydraulic pliers Crimping tool Removal wrench Heat gun H4STC0001 H4TW0001 (AMPHENOL) or (AMPHENOL) or CT75A-FJB10 CT75A-FJB7 (AVIC (AVIC JONHON) JONHON) Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 47 ≥ 1500 V Insulation resistance tester (output voltage > 1500 V) Table 4-7 Auxiliary materials and other tools Label Cable tie Cotton cloth Sandpaper Heat-shrink Insulation tape Brush Vacuum cleaner tubing Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 48 ● Do not use the ports or wiring terminals at the bottom to support any weight of the SUN2000. ● When you need to temporally place the SUN2000 on the ground, use foam, cardboard, or other protection material to prevent damage to its enclosure. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 49 If the installation position is high, you can hoist the SUN2000. Figure 4-12 Hoisting ----End 4.6 Installing the SUN2000 on a Support Step 1 Remove the torx key and store it properly. Figure 4-13 Removing the torx key Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 If the bolt length does not meet the installation requirements, prepare M12 bolt assemblies by yourself and use them together with the delivered M12 nuts. Figure 4-14 Installing the mounting bracket Step 3 Secure the SUN2000. Figure 4-15 Securing the SUN2000 ----End Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 51 SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series User Manual 4 Installation 4.7 Installing the SUN2000 on a Pole Clamp Figure 4-16 Pole-clamp installation (1) Square bolt clamp (2) Inverter mounting beam (3) Vertical pole Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 ● Only certified electrician can perform electrical terminations. ● 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 53 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 SUN2000 cascaded over RS485. customer SmartLogger The SUN2000 communicates with the management Purchased system through the SmartLogger. from the Company Tracking system The angle of trackers can be adjusted. Prepared by customer Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 55 ● The cable diameter must comply with local cable standards. ● The factors that affect cable selection include the rated current, cable type, routing mode, ambient temperature, and maximum expected line loss. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 56 Single-core outdoor – S: 120–400 (single-core) cable and M12 OT/DT customer terminal – S ≥ S/2 ● Aluminum alloy cable or copper-clad aluminum cable: – S: 150–400 – S ≥ S/2 Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 57 PE cable are subject to this table or calculated according to IEC 60364-5-54. ● Note [4]: For details about the installation procedure and precautions for cable stripping outside the compartment, see 5.5 Requirements for AC Power Cable Stripping Outside the Compartment. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 58 The SUN2000 is integrated with a comprehensive residual current detection unit to distinguish fault current from residual current. Upon detecting that the residual current exceeds the threshold, the SUN2000 immediately disconnects from the power grid. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 The resulting device damage is not covered by the warranty. ● In the quick scheduling scenario with MBUS communication networking, connect AC power cables in the maintenance compartment from left to right in the sequence of L1, L2, and L3. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 60 (2) RS485 communications port (3) Ground point on the enclosure (4) AC terminal block Procedure Step 1 Open the maintenance compartment door and install the support strut. Remove the accessories and set them aside. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 61 Figure 5-5 Opening a maintenance compartment door (1) Position for binding the ground screw Step 2 Connect the AC output power cables based on the cable type. Figure 5-6 Specifications of the crimped OT/DT terminal Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 62 PE cable when the AC output power cable is subject to a pulling force due to force majeure. ● After cables are connected, prevent them from contacting the inter-phase baffle plates. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 63 Figure 5-10 Multi-core cable connection (using a three-core cable as an example) Step 3 If the system is configured with a tracking system, connect the power cable of the tracking system. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 Step 4 Clear foreign matter from the maintenance compartment, close the maintenance compartment door, and check that the cable holes at the bottom of the maintenance compartment are sealed. Figure 5-12 Closing a door ----End Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 65 Step 6 Connect the AC power cable. Step 7 Close the maintenance compartment door, and seal the cable inlet of the maintenance compartment and cable top outlet of the electrical conduit with fireproofing materials. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 66 ● The armored layer of the cable must be grounded according to the design requirements. ● Wires between the maintenance compartment and electrical conduit must not be exposed to the air. Protective measures must be taken. Figure 5-13 Cable protection Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 ● The polarities of electric connections must be correct on the DC input side. The positive and negative terminals of a PV string must be connected to corresponding positive and negative DC input terminals of the SUN2000. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 68 The SUN2000 provides 28 DC input terminals, which are controlled by its two DC switches. DC SWITCH 1 controls the DC input terminals PV1–PV14 and DC SWITCH 2 controls the DC input terminals PV15–PV28. Figure 5-15 DC terminals controlled by DC SWITCH 1 Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 69 Connect to PV2–PV4, PV6–PV12, PV16–PV18, PV21–PV23, and PV26– PV16–PV18, PV21–PV23, and PV26– PV28. PV28. Connect to PV2–PV4, PV6–PV12, Connect to PV2–PV4, PV7–PV13, PV16–PV18, PV21–PV23, and PV25– PV16–PV18, PV20–PV23, and PV25– PV28. PV28. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 70 PV16–PV18, PV20–PV23, and PV25– PV28. PV28. Connect to PV1–PV4, PV6–PV13, Connect to PV1–PV4, PV6–PV18, PV15–PV18, PV20–PV23, and PV25– PV20–PV23, and PV25–PV28. PV28. Connect to PV1–PV18, PV20–PV23, Connect to PV1–PV18 and PV20– and PV25–PV28. PV28. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 71 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 or PV string. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 72 When installing DC input power cables, leave at least 150 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 73 RS485B OUT, differential signal– RS485 differential signal– PE, shield layer PE, shield layer grounding grounding RS485-2 RS485A, RS485 RS485B, RS485 Used to connect an differential signal+ differential signal– RS485 slave device. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 74 Step 1 Connect the RS485 communications cables. Figure 5-21 Connecting communications cables NO TICE Use a plug to block the unused cable hole with the waterproof rubber ring, and then tighten the locking cap. ----End Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 ● 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 5-22 Installing the 4G Smart Dongle (SDongleB-06) Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 76 DC power cable DC power cables are connected correctly and securely. Unused port ● Unused DC terminals are sealed with sealing plugs. ● Unused COM and USB ports are plugged with waterproof plugs. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 77 When the grid connection indicator is steady green (the SUN2000 is connected to the power grid), do not turn on the DC switch. Otherwise, the SUN2000 may be damaged because insulation resistance detection is not performed. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 Step 4 If the PV connection indicator is steady green and the alarm indicator is steady red, set DC SWITCH 1 and DC SWITCH 2 to ON. Observe the LED indicators to check the operating status of the SUN2000. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 79 The SUN2000 can be commissioned on the SmartLogger WebUI or FusionSolar app. You are advised to use the SmartLogger WebUI for deployment commissioning and use the app for password resetting and alarm viewing. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 80 For details about software upgrade, see the SmartLogger3000 User Manual. 7.3.3 Commissioning Using Deployment Wizard Procedure Step 1 Set basic parameters. Figure 7-3 Setting basic parameters Step 2 Connect to Huawei devices. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 81 Settings > SN List > Template to download the SN list template. Return to the deployment wizard, click Upload, and upload the configured template file. Figure 7-5 Downloading the SN list template Figure 7-6 Uploading the SN list Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 82 Set related parameters by referring to "Setting Meter Parameters" in the SmartLogger3000 User Manual . Figure 7-8 Connecting to power meters Step 5 Connect to EMIs. Figure 7-9 Connecting to EMIs Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 83 SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series User Manual 7 Power-On and Commissioning Step 6 Connect to a Huawei network management system (NMS). Set related parameters by referring to "Setting Parameters for Connecting to the Management System" (content related to a Huawei NMS) in the SmartLogger3000 User Manual .
  • Page 84 For details about how to reset a password, see D Resetting Passwords. ● To view alarms, log in to the FusionSolar app, choose Alarm > Active alarm, and rectify the fault based on the alarm handling suggestions. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 85 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 86 ● Do not open the maintenance compartment door on rainy or snowy days. If you need to, 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 87 SUN2000 is damaged Company's service months status or deformed. engineers. ● Check whether the SUN2000 generates abnormal sounds during operation. ● Check whether all SUN2000 parameters are correctly set during operation. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 88 SUN2000. weeding as season SUN2000 required. ● Clean the site promptly after weeding. Figure 8-1 Removing the baffle plate of the air intake vent Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 89 ● Before power-off for maintenance, do not touch the energized components of the SUN2000. Otherwise, electric shocks or arcs may occur. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 90 ● If the SUN2000 does not emit abnormal smell or smoke and is intact, repair or restart it based on the alarm handling suggestions. Do not stand in front of the SUN2000 during the restart. Figure 8-2 Power-off for maintenance ----End Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 91 Place down the handle. Unscrew the connectors. Disconnect the cables. Pull out the fan tray. Figure 8-3 Pulling out the fan tray Step 2 Remove the cable ties from the faulty fan. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 92 (4) Remove the cable ties from FAN 4. Step 3 Remove the faulty fan. Figure 8-5 Removing a fan (using FAN 1 as an example) Step 4 Install a new fan. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 93 Clean the fan tray and ensure that no foreign matter is left. Align the fan tray with the installation position. Push in the fan tray until the fan baffle plate is flush with the SUN2000 enclosure. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 94 If the original packaging is available, put the SUN2000 inside it and then seal it using adhesive tape. ● If the original packaging is unavailable, put the SUN2000 inside a suitable hard cardboard box and seal it properly. Step 3 Dispose of the SUN2000. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 ● Before turning on a switch, ensure that all alarms have been cleared. Procedure Step 1 Set the DC SWITCH to OFF. Step 2 Set the DC SWITCH to ON. ----End Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 96 If the insulation resistance is greater than 0.001 MΩ, the fault is not related to short circuit. Check all PV modules in the faulty PV string one by one to locate and rectify the fault. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 97 Step 4 Choose Maintenance > Inverter ON/OFF on the home screen and send a shutdown command. Set the DC SWITCH to OFF. Check whether the connectors or DC power cables between the possibly faulty PV modules and adjacent PV modules are damaged. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 98 Step 7 Set the DC SWITCH to ON. If the SUN2000 status is Shutdown: Command, choose Maintenance > Inverter ON/OFF on the home screen and send a startup command. ----End Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 99 SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series User Manual 9 Alarm Reference Alarm Reference For details about alarms, see Inverter Alarm Reference. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 100 SUN200 SUN200 SUN200 SUN200 SUN200 0-250KT 0-280KT 0-300KT 0-330KT 0-330KT 0-250KT L-H3 L-H0 L-H0 L-H1 L-H2 L-H1 Maximu 1500 V m input voltage Maximu 65 A m input current (per MPPT) Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 101 275 kVA 308 kVA 330 kVA 330 kVA 330 kVA 275 kVA apparent power Maximu 275 kW 308 kW 330 kW 330 kW 330 kW 275 kW m active power (cosφ = Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 102 Item SUN200 SUN200 SUN200 SUN200 SUN200 SUN200 0-250KT 0-280KT 0-300KT 0-330KT 0-330KT 0-250KT L-H3 L-H0 L-H0 L-H1 L-H2 L-H1 Input DC Supported switch Anti- Supported islanding protectio Output Supported overcurre protectio Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 103 Display and Communication Item SUN200 SUN200 SUN200 SUN200 SUN200 SUN200 0-250KT 0-280KT 0-300KT 0-330KT 0-330KT 0-250KT L-H3 L-H0 L-H0 L-H1 L-H2 L-H1 Display LED indicators RS485 Supported MBUS Supported Supported WLAN Supported +App Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 104 5000 m (derated when the altitude is greater than 4000 m) operating altitude Relative 0%–100% RH humidity Input CT75A-1T-34/CT75A-1T-35 (AVIC HH4SFD4TMS/HH4SMD4TMS terminal JONHON) Output Waterproof terminal+OT/DT terminal terminal IP rating IP66 Self- 4.8 W consump tion at night (sleep mode) Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 105 ● Do not mix up the aluminum and copper sides of a copper-to-aluminum washer. Ensure that the aluminum side of the washer contacts the aluminum wiring terminal, and that the copper side contacts the terminal block. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 106 ● Wrap the wire crimping area with heat shrink tubing or insulation tape. The heat shrink tubing is used as an example. ● Use a heat gun carefully to avoid heat damage to the equipment. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 107 (4) OT terminal (5) Hydraulic pliers (6) Heat gun Figure A-3 Crimping a DT terminal (1) Cable (2) Core wire (3) Heat shrink tubing (4) DT terminal (5) Hydraulic pliers (6) Heat gun Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 108 The list is subject to change. Table B-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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 109 Brazil Support 16149- medium MV800 -voltage power grid BRASIL- Brazil Support ANEEL- power MV800 grid KOREA- South Support MV800 Korea power grid TAIPOWER- Taiwan Support MV800 Power medium -voltage power grid Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 110 Support MV800 power grid Malaysian- Malaysia Support MV800 power grid Bangladesh- Banglad Support MV800 power grid Vietnam- Vietnam Support MV800 medium -voltage power grid Cambodia- Cambodi Support MV800 a power grid Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 111 Support power grid EN50438_IE- Ireland Support MV800 power grid EN50549- Ireland Support MV800 power grid IRELAND- Ireland Support EN50549- power MV800 grid Northern Norther Support Ireland- n Ireland MV800 power grid Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 112 POLAND- Poland Support EN50549- power MV800 grid CZECH- Czech Support EN50549- Republic MV800 power grid EN50438-TR- Türkiye Support MV800 power grid Macedonia- Republic Support MV800 of North Macedo power grid Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 113 -voltage power grid Nicaragua- Nicarag Support MV800 power grid Panama- Panama Support MV800 power grid SAUDI- Saudi Support MV800 Arabia power grid LEBANON- Lebanon Support MV800 medium -voltage power grid Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 114 Jordan- Jordan Support Transmission- high- HV800 voltage power grid Egypt ETEC- Egypt Support MV800 power grid KENYA_ETHI Kenya Support OPIA-MV800 low- voltage power grid and Ethiopia medium -voltage power grid Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 115 Ethiopia medium -voltage power grid NAMIBIA_MV Namibia Support power grid Cameroon- Camero Support MV800 medium -voltage power grid Ghana- Ghana Support MV800 medium -voltage power grid Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 116 FRANCE-RTE- France Support MV800 power grid CHINA- China Support Support Support GBT19964- GB/T MV800 19964 standard power grid CHINA- China Support Support Support GBT29319- GB/T MV800 29319 standard power grid Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 117 SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series User Manual C Grid Codes NO TE The grid codes are subject to change. The listed codes are for reference only. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 118 Step 2 Log in to the app and reset the password within 4 hours. (If the software restarts or no operation is performed within 4 hours, all parameters of the inverter remain unchanged.) ----End Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 119 SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series User Manual D Resetting Passwords NO TICE You are advised to reset the password in the morning or at night when the solar irradiance is low. Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 120 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 121 SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) 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 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 122 SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series User Manual F Digital Power Customer Service Digital Power Customer Service https://digitalpower.huawei.com/robotchat/ Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 123 G Acronyms and Abbreviations Acronyms and Abbreviations AUX. Auxiliary light emitting diode MBUS monitoring bus maximum power point MPPT maximum power point tracking potential induced degradation photovoltaic RCMU residual current monitoring unit Issue 13 (2024-06-30) Copyright © Huawei Technologies Co., Ltd.

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