Huawei SUN2000-30KTL-US User Manual
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Huawei SUN2000-30KTL-US User Manual

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SUN2000-(25KTL, 30KTL)-US
User Manual
Issue
09
Date
2019-06-30
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-30KTL-US

  • Page 1 SUN2000-(25KTL, 30KTL)-US User Manual Issue Date 2019-06-30 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: About This Document

    Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 4 5.5 Connecting DC Input Power Cables. Updated Troubleshooting. Issue 06 (2018-05-20) Updated 5.5 Connecting DC Input Power Cables. Updated 8.1 Routine Maintenance. Added B Contact Information. Issue 05 (2017-11-14) Updated 1 Safety Precautions. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 5 Installation Environment Requirements 4.4 Installing a Common Support. Updated Installation Environment Requirements 4.5 Installing a Tilted Support. Updated 8.1 Routine Maintenance. Issue 01 (2016-11-10) This issue is the first official release. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 6: Table Of Contents

    5.2 Opening the Maintenance Compartment Door ......................... 49 5.3 Connecting the Ground Cable ............................51 5.4 Installing the AC Output Power Cable ..........................54 5.5 Connecting DC Input Power Cables ..........................61 Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 7 9.3 SUN2000 Disposal ................................110 10 Technical Specifications ....................111 A Power Grid Codes......................115 B Contact Information ......................116 C FCC Supplier's Declaration of Conformity (SDoC) ............117 D Acronyms and Abbreviations ..................118 Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 8: Safety Precautions

    Do not remove or damage the nameplate on the SUN2000 enclosure because it contains important product information. Installation Read this document before installation. Huawei shall not be liable for any consequence caused by violation of the regulations specified in this document. ...
  • Page 9 Rectify any faults that may compromise the SUN2000 security performance before restarting the SUN2000.  Maintain the SUN2000 with sufficient knowledge of this document and proper tools and testing equipment.  Observe ESD precautions during maintenance. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 10 SUN2000-(25KTL, 30KTL)-US User Manual 1 Safety Precautions  For personal safety, wear insulation gloves and protective shoes. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 11: Overview

    Table 2-1 lists all models of the SUN2000 and their rated output power. Table 2-1 SUN2000 models and rated output power Model Rated Output Power SUN2000-25KTL-US 25 kW SUN2000-30KTL-US 30 kW Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 12 Figure 2-3 Power Grid Earthing System The SUN2000 can be installed in common transformer secondary winding configuration such as neutral grounded Y, neutral ungrounded Y, delta (floating). For any other transformer configuration, please contact Huawei. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Appearance

    2.2 Appearance This section describes the appearance and specifications of the SUN2000. Dimensions Figure 2-4 shows the SUN2000 dimensions. Figure 2-4 Dimensions SUN2000 front view Figure 2-5 shows the SUN2000 front view. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 14 200 V. Grid-tie indicator Steady green The SUN2000 is grid-tied. The SUN2000 is not grid-tied. Communication Blinking green (on for 0.5s and off for The SUN2000 receives indicator 0.5s) communications data normally. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 15 After the USB flash drive, WLAN module, Bluetooth module, or USB data cable is removed, the indicator shows the alarm state. Rear View Figure 2-6 shows the SUN2000 rear view. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 16 SUN2000 bottom view Figure 2-7 shows the SUN2000 bottom view. Figure 2-7 SUN2000 bottom view Component Name (Silk Screen) Description DC switch (DC SWITCH) Positive DC input terminal (+) Six routes Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Label Conventions

    USB port is not in use. Negative DC input terminal (–) Six routes Vent valve 2 PCS 2.3 Label Conventions Warning Signs Warning signs are available on the SUN2000 side, as described in Table 2-3. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 18  Wait 5 minutes after disconnecting all sources of power to remove cover. Transformerless Transformerless inverter. inverter Symbols Table 2-4 describes the labels on the SUN2000 chassis. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 19 2-8. If the SUN2000 uses PLC (MBUS) and RS485 for communication, the value of Communication on the nameplate is PLC, as shown in Figure 2-9. (SUN2000-25KTL-US is used as an example.) Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 20 SUN2000-(25KTL, 30KTL)-US User Manual 2 Overview Figure 2-8 Nameplate (RS485 communication) (1) Trademark, product name, and model (2) Important technical specifications number (3) Compliance symbols (4) Company name and country of manufacture Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 21 American FCC Part 15G The SUN2000 complies certification with FCC Part 15G certification standards. Compliance with CSA This product complies certification of America with CSA certification and Canada standards. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 22: Working Process

    DC and AC sides. For details, see Figure 2-10. Figure 2-10 SUN2000 output conceptual diagram Working Modes Figure 2-11 shows the conditions for the SUN2000 to switch between working modes. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 23 The SUN2000 switches from standby or operating mode to shutdown mode if detecting a fault or a shutdown command. The SUN2000 switches from shutdown mode to standby mode if receiving a startup command or detecting that a fault is rectified. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 24: Sun2000 Storage

    Conduct periodic inspection during storage. Replace the packing materials immediately if any rodent bites are found.  Ensure that qualified personnel inspect and test the SUN2000 before use if it has been stored for a long time. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Installation

    Before unpacking the SUN2000, examine the outer packing for damage such as holes and cracks. If any such damage is found, do not unpack the SUN2000 and contact the dealer immediately. Remove the outer packing only 24 hours before installation. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 26: Tools

    Socket height: 100 mm (3.94 in.) (adapted to the vertical distance between terminals and the cabinet frame)  Wrench handle length (horizontal) < 200 mm (7.87 in.)  Torque: 0–8 N· m Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 27 H4TC0003 preparing DC input power cables. Manufacturer: Amphenol NOTE UTXTC0005 (Amphenol) is used  to crimp metal cold forming contacts. H4TC0003 (Amphenol) is used to  crimp metal stamping forming contacts. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 28 DC connector Manufacturer: Amphenol from the inverter. Vacuum cleaner Cleans up dust after drilling holes. Multimeter Measures cable voltages. Diameter ≤ 10 mm (0.39 Marker Marks signs. in.) Measuring tape Measures distances. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 29 Protects you from dust inhalation during hole drilling. Hydraulic pliers Crimp OT terminals. Withstand voltage ≥  Heat shrink tubing Insulates electrical devices. 600 V Thickness ≥ 0.8 mm  (0.03 in.) Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 30: Wall-Mounting The Sun2000

    4.3 Wall-mounting the SUN2000 4.3.1 Determining the Installation Position Determine an appropriate position for installing the SUN2000. Basic Requirements  The SUN2000 is protected to Type 4X and can be installed indoors or outdoors. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 31 Install the SUN2000 upright or at a maximum back tilt of 15 degrees to facilitate heat dissipation. Figure 4-1 Correct installation modes  Do not install the SUN2000 at a front tilt, excessive back tilt, or side tilt, horizonta lly, or upside down. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 32 It is recommended that the SUN2000 be installed at eye level to facilitate operation and maintenance.  Reserve enough clearance around the SUN2000 to ensure sufficient space for installation and heat dissipation, as shown in Figure 4-3. Figure 4-3 Minimum installation clearance Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 33 4-5) or in stacked mode (as shown in Figure 4-6) if no sufficient space is available. Figure 4-4 Horizontal installation mode (if the space is sufficient) Figure 4-5 Triangle installation mode (if the space is insufficient) Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Moving The Sun2000

    Move the SUN2000 to the installation position horizontally. Procedure Step 1 Arrange two people to hold the handles on both sides of the SUN2000, as shown in Figure 4-7. Figure 4-7 Moving the SUN2000 Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Installing A Rear Panel

    Step 1 Determine the positions for drilling holes (as shown in Figure 4-9) using the rear panel available in the packing case, level the hole positions using a level, and mark the hole positions using a marker. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 36 Step 2 Drill holes using a hammer drill and install the expansion bolts, as shown in Figure 4-11. An expansion bolt contains four parts, as shown in Figure 4-10. Figure 4-10 Expansion bolt composition (1) Expansion sleeve (2) Flat washer (3) Spring washer (4) Bolt Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 37 Step 3 Align the rear panel with the holes, insert expansion bolts into the holes through the real panel, and tighten the expansion bolts to a torque of 45 N· m using a torque wrench with an 18 mm (0.71 in.) open end, as shown in Figure 4-12. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 38: Installing The Sun2000

    Step 2 If the installation position is high and you cannot mount the SUN2000 on the rear panel, perform Step 3 Step Step 3 Mount the M10 screw lifting eyes (provided by the customer) into the lifting holes and tighten the lifting eyes, as shown in Figure 4-13. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 To prevent personal injury, keep balance when lifting the SUN2000 because it is heavy. Figure 4-14 Lifting the SUN2000 Step 5 Route a rope that is able to bear the SUN2000 through the lifting eyes and hoist the SUN2000, as shown in Figure 4-15. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 40 When hoisting the SUN2000, keep balance to protect the SUN2000 from colliding with the wall or other objects. Figure 4-15 Hoisting the SUN2000 Step 6 Mount the SUN2000 on the rear panel and keep them aligned with each other, as shown in Figure 4-16. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 41 4-17. Figure 4-17 Tightening hexagon screws Step 8 (Optional) Install an antitheft lock, as shown in Figure 4-18. The antitheft lock secures the SUN2000 to the rear panel to prevent theft. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 42: Installing A Common Support

    When installed under direct sunlight, performance de-rate may be initiated due to additional temperature rise. Carrier Requirements  The carrier where the SUN2000 is installed must be fire-proof.  Do not install the SUN2000 on flammable building materials. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 43 Figure 4-19 Correct installation modes  Do not install the SUN2000 at an excessive front or back tilt, at a side tilt, horizontally, or upside down. Figure 4-20 Incorrect installation modes Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 44: Moving The Sun2000

    4.3.2 Moving the SUN2000. 4.4.3 Installing a Rear Panel Before installing the SUN2000, secure the shipped rear panel to a support. Prerequisites Figure 4-22 shows the dimensions of the rear panel. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 45 Figure 4-23 Determining hole positions Step 2 Drill holes using a hammer drill, as shown in Figure 4-24. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 46: Installing The Sun2000

    Figure 4-25. Figure 4-25 Securing a rear panel ----End 4.4.4 Installing the SUN2000 For details about how to install an inverter, see 4.3.4 Installing the SUN2000. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 47: Installing A Tilted Support

    Install the SUN2000 with a backward tilt of no more than 60 degrees. Figure 4-26 Correct installation modes  Do not install the inverter at a front tilt, excessive backward tilt, side tilt, horizontally, or upside down. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 48: Moving The Sun2000

    Reserve enough clearance around the SUN2000 to ensure sufficient space for installation and heat dissipation, as shown in Figure 4-28. Figure 4-28 Minimum installation clearance 4.5.2 Moving the SUN2000 For details about how to move an inverter, see 4.3.2 Moving the SUN2000. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 49: Installing The Sun2000

    Step 2 Secure the tilted support mounting kit to the inverter using the M6x16 hex socket screws delivered with the product, and tighten the screws to a torque of 4 N· m, as shown in Figure 4-30. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 Step 4 If the installation position is high and you cannot mount the inverter on the tilted support, perform Step 5 Step Step 5 Mount the M10 screw lifting eyes (provided by the customer) into the lifting holes and tighten the lifting eyes, as shown in Figure 4-31. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 51 To prevent personal injury, keep balance when lifting the SUN2000 because it is heavy. Figure 4-32 Lifting the SUN2000 Step 7 Route a rope that is able to bear the SUN2000 through the lifting eyes and hoist the SUN2000, as shown in Figure 4-33. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 Step 8 Align the screw holes on the tilted support mounting kit with the marked holes on the tilted support, and secure the inverter to the tilted support using M8x30 screws to a torque of 8 N· m, as shown in Figure 4-34. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 53 Step 10 (Optional) Install an antitheft lock, as shown in Figure 4-36. The function of an antitheft lock is to secure the SUN2000 to the support and protect it from stealing. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 SUN2000-(25KTL, 30KTL)-US User Manual 4 Installation Figure 4-36 Installing an antitheft lock ----End Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 55: Electrical Connections

    2. Route the cable through the locking cap and then the waterproof connector. 3. Secure the cable. 4. Check that the cable is connected correctly and securely, and then seal the waterproof connector and cable hole with firestop putty. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 56: Opening The Maintenance Compartment Door

    Do not leave unused screws in the chassis. Procedure Step 1 Loosen the two screws on the maintenance compartment door, as shown in Figure 5-1. Set the screws aside for future use. Figure 5-1 Removing screws Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 57 Step 3 Remove the AC terminal cover and set it aside, as shown in Figure 5-3. Figure 5-3 Removing the AC terminal cover To highlight the involved area, the figures do not show the open door. ----End Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 58: Connecting The Ground Cable

    Operations.  The following describes how to connect ground cables to ground points 1 and 4 and ground points 2 and 3. Prerequisites The ground cables and OT terminals are prepared. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 (AC OUTPUT) for ground point 4 is 42.47 mm (1.67 in.). The recommended pipe outer diameter of the cable hole (GND) for ground point 1 is 16.5 mm (0.65 in.). Procedure Step 1 Prepare OT terminals. Figure 5-5 Stripped length Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 60 AC output power cable bears the pulling force, ensure that the last cable bearing the force is the PE cable. Figure 5-7 Connecting ground cables to ground points 1 and 4 (through a tube) Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 61: Installing The Ac Output Power Cable

    Do not connect loads between the SUN2000 and the AC switch. Context  Use copper cables that can withstand 90° C (194° F) or 105° C (221° F). To facilitate the installation, you are advised to use flexible cables. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 62 If cables are to be connected through a pipe, prepare a pipe by yourself. The recommended pipe outer diameter is 42.47 mm (1.67 in.). Procedure (Through a Pipe) Step 1 Route the cables through the pipe and AC OUTPUT hole. Step 2 Prepare OT terminals. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 63 OT terminal. Step 3 Connect the SUN2000 AC output power cable to the AC terminal block and secure the cable to a torque of 5 N· m. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 Sufficient slack should be provided in the PE cable to ensure that the last cable bearing the force is the PE cable when the AC output power cable bears pulling force due to force majeure. Figure 5-10 Connecting AC output power cables Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 65 (3) Neutral wire not connected, PE wire (4) Neutral wire and PE wire connected connected ----End Procedure (Common Connection) Step 1 Route the cables through the AC OUTPUT hole. Step 2 Prepare OT terminals. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 66 OT terminal. Step 3 Connect the SUN2000 AC output power cable to the AC terminal block and secure the cable to a torque of 5 N· m. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 Sufficient slack should be provided in the PE cable to ensure that the last cable bearing the force is the PE cable when the AC output power cable bears pulling force due to force majeure. Figure 5-12 Connecting AC output power cables Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 68: Connecting Dc Input Power Cables

    The maximum open-circuit voltage of each PV string must be always lower than or equal to 1000 V DC.  The positive and negative terminals of PV modules must be connected to the positive and negative DC input terminals of the SUN2000 respectively. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 69 Connected to routes 1, 2, 3, and 5 Connected to routes 1, 2, 3, 4, and 5 Connected to routes 1, 2, 3, 4, 5, and 6  DC input power cable specifications Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 70 Positive and negative DC input connectors are used, as shown in Figure 5-14 Figure 5-15. Figure 5-14 Positive connector composition (1) Insulation housing (2) Locking nut Figure 5-15 Negative connector composition (1) Insulation housing (2) Locking nut Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 71 H4TC0002 (Amphenol), PV-CZM-22100 (Staubli), or PV-CZM-19100 (Staubli). When choosing PV-CZM-22100 or PV-CZM-19100, do not use the locator. Otherwise, metal contacts would be damaged. Figure 5-16 Crimping tool (H4TC0003) (1) Locator Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 72 SUN2000-(25KTL, 30KTL)-US User Manual 5 Electrical Connections Figure 5-17 Preparing positive and negative connectors (using metal cold forming contacts) Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 73 Step 3 Ensure that the DC input voltage of each PV string does not exceed 1000 V DC using a multimeter and check that the polarities of the DC input power cables are correct. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 74 Step 4 Insert the positive and negative connectors into the corresponding positive and negative DC input terminals of the SUN2000 until they snap into place, as shown in Figure 5-20. Figure 5-20 Installing DC input power cables Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 75: Connecting Communications Cables

    (such as the NetEco) on the PC to query information about the SUN2000, such as electric energy yield, alarms, and running status.  Figure 5-22 shows the communication mode for a single SUN2000. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 76: Selecting A Communication Mode

    The built-in PLC (MBUS) module in the SUN2000 does not need to be connected with cables. 5.6.2 Selecting a Communication Mode The RS485 and PLC (MBUS) communication modes are mutually exclusive. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 77: Connecting The Rs485 Communications Cable

    9 mm (0.35 in.) and an internal resistance not greater than 1.5 ohm/10 m (1.5 ohm/393.70 in.).  RJ45 connector  The recommended pipe outer diameter is 33.66 mm (1.32 in.). Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 RS485 terminal block. Table 5-4 Pin definitions of the RS485 terminal block Definition Port Function Description Number Dry contact input Dry contact input+ DI– Dry contact input– Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 79 RS485B SVG RS485B, RS485 differential signal–  RJ45 Connector Pin Definitions Figure 5-25 RJ45 connector Table 5-5 RJ45 connector pin definitions Function RS485A, RS485 differential signal+ RS485B, RS485 differential signal– Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 80 5 and 7 on the terminal block, the output end to ports 6 and 8 on the terminal block, and the shield layer to the ground point. Figure 5-27 Connecting RS485 communications cables (through a pipe) Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 81 Figure 5-29 Binding communications cables If multiple SUN2000s are connected over RS485 communications cables, connect them in the way shown in Figure 5-30. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 82 Figure 5-31 Connecting wires to an RJ45 connector Route the cable through the COM1 hole at the bottom, then to the RS485 IN and RS485 OUT ports in the maintenance compartment. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 83 Block unused COM2 waterproof cable connectors with plugs. Bind communications cables after connecting them. Cable ties are bound at the same positions irrespective of whether the communications cables are connected in a common way or through a cable. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 84: Verifying The Installation

    10. Idle USB ports are plugged with covers. 11. Idle waterproof cable connectors are plugged and the locking caps are tightened. 5.8 Closing the Maintenance Compartment Door Close the maintenance compartment door as described in this section. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 85 Figure 5-36 Adjusting a support bar Step 3 Close the maintenance compartment door and tighten the two screws on the maintenance compartment door, as shown in Figure 5-37. The required torque is 4 N· m. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 86 If the two screws on the maintenance compartment door are lost, use the standby M6 hexagon screw assemblies available in the fitting bag that is bound to the chassis base. ----End Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 87: System Operation

    DC terminals and connectors to check that the DC terminals are in good contact. ----End 6.2 Powering Off the SUN2000 Comply with the safety precautions and operation procedure specified in this section when powering off the SUN2000. Context Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 88 If DC SWITCH is switch to OFF on the DC side, it is recommended that you lock the DC switch to avoid switching it on by mistake. Figure 6-1 Padlock ----End Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 89: Man-Machine Interactions

    Step 2 Import the boot script file to a PC. (Optional) The boot script file can be opened as a .txt file, as shown in Figure 7-1. Figure 7-1 Boot script file Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 90 Step 5 Insert the USB flash drive into a computer and check the exported data. When the configuration export is complete, the boot script file and exported file are in the root directory of the USB flash drive. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 91: Importing Configurations

    Blinking green at short intervals (on An operation with a USB for 0.125s and then off for 0.125s) flash drive has failed. Steady green An operation with a USB flash drive is successful. ----End Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 92: Exporting Data

    After the data is exported, the boot script file and exported file are in the root directory of the USB flash drive. ----End 7.1.4 Upgrading Procedure Step 1 Obtain the required upgrade package from Huawei technical support website (for example, SUN2000 V200R001C02SPCXXX). Step 2 Decompress the upgrade package. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 93 1s and then off for 1s) a USB flash drive. Blinking green at short intervals (on An operation with a USB for 0.125s and then off for 0.125s) flash drive has failed. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 94: Operations With The Sun2000 App

    If you log in to the app as Advanced User, you can set the grid parameters, protection parameters, and feature parameters for the SUN2000. 7.2.1.1 Setting Grid Parameters Procedure Step 1 Tap Function Menu > Settings > Grid Parameters to access the parameters setting screen. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 95: Setting Protection Parameters

    If the detected value is less than the preset value, the SUN2000 does not export power to the power grid. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 96: Setting Feature Parameters

    Enable enable this function. Then the SUN2000 will perform MPPT scanning at regular intervals to locate the maximum power. MPPT multi-peak Specifies the MPPT multi-peak [5, 30] scanning interval scanning interval. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 97 − If PV module type is set to CPV 2, the inverter can quickly restart in 10 minutes when the input power of PV modules drops drastically due to shading. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 98 The SUN2000 monitors PV strings at  Disable night. If Hibernate at night is set to  Enable Enable, the monitoring function of the SUN2000 will hibernate at night, reducing power consumption. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 99: Operations Related To The Special User

    SUN2000. 7.2.2.1 Setting Grid Parameters Procedure Step 1 Choose Function Menu > Settings > Grid Parameters to access the settings screen. Figure 7-5 Grid Parameters (special user) ----End Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 100 (cosφ-P) trigger based on the cosφ-P curve. voltage Reactive power Specifies the voltage threshold for [90, 100] compensation exiting reactive power compensation (cosφ-P) exit voltage based on the cosφ-P curve. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 101: Setting Protection Parameters

    10 minute OV Specifies the 10-minute overvoltage [1 x Vn, 1.36 x Vn] protection protection threshold. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 102 [50, 7200000] time protection duration. Level-3 OV protection Specifies the level-3 overvoltage [1 x Vn, 1.36 x Vn] protection threshold. Level-3 OV protection Specifies the level-3 overvoltage [50, 7200000] time protection duration. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 103: Setting Feature Parameters

    [50, 7200000] time protection duration. 7.2.2.3 Setting Feature Parameters Procedure Step 1 Choose Function Menu > Settings > Feature Parameters to access the settings screen. Figure 7-7 Feature Parameters (special user) ----End Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 104 The standards of certain countries and [100, 115) suppression reactive regions require that the SUN2000 must adjustment point generate a certain amount of reactive power when the output voltage exceeds a certain value. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 105: Setting Power Adjustment Parameters

    SUN2000 restarts after the power grid recovers. 7.2.2.4 Setting Power Adjustment Parameters Procedure Step 1 Choose Function Menu > Settings > Power Adjustment to access the settings screen. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 106 [0.1, 1000] change gradient SUN2000 active power. Fixed active power Adjusts the active power output of the [0, Pmax] derating SUN2000 to a fixed value. Pmax represents the maximum active power. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 107 Cutoff power of Specifies the power threshold for [0, 100] overfrequency cutting off overfrequency derating. derating Recovery gradient Specifies the power recovery gradient %/min [1, 6000] of over frequency for overfrequency derating. derating Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 108: Maintenance

     Check that the idle COM and USB ports are locked by waterproof caps. Groundin Check whether the ground terminal and ground cable Annual are securely connected. reliability Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 109: Troubleshooting

    PV PV strings 3 and 4 until the PV strings 3 and 4, and string open-circuit voltage is less therefore the PV string than or equal to the maximum Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 110 The internal control circuit of the SUN2000 has failed − If the alarm persists, contact to keep pace with changes Huawei technical support. due to grid phase  Cause ID = 12/15 Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 111 2. If the alarm occurs frequently,  Cause ID = 16 check whether the power grid Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 112 Check the impedance of output phase wire A (cause ID = 31)/B (cause ID = 32)/C (cause ID = 33) to the PE cable and locate the position with lower impedance and resolve the issue. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 113 SUN2000 automatically recovers side decreases during SUN2000 to the normal operating status operation, which causes after the fault is rectified. excessively high residual 2. If the alarm occurs repeatedly or Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 114 The AFCI self-check fails. turn them on after 5 minutes. If k Failure the fault persists, contact Huawei technical support. 2. Disable AFCI on the SUN2000 app, SmartLogger, or NMS if you Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 115  The flash drive has bad device. blocks or is faulty. If a fault cannot be rectified by the measures listed in Table 8-2, contact Huawei technical support. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 116: Sun2000 Handling

    9.2 SUN2000 Packing This section describes how to pack the SUN2000.  If the original packing case is available, place the SUN2000 inside the packing case and seal it with adhesive tape. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 117: Sun2000 Disposal

    This section describes how to dispose of the SUN2000. If the SUN2000 service life has expired, dispose of the SUN2000 in accordance with local rules for disposal of electrical equipment waste. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 118: Technical Specifications

    Maximum input current 45 A (25 A per MPPT) 54 A (25 A per MPPT) (DC) Maximum inverter backfeed current to the PV array Maximum input string 6 (2 per MPPT) Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 119 480 V, 3W+PE/3W+N+PE Adapted grid frequency 60 Hz Maximum continuous output current 40 A 33 A (AC) Power factor 0.8 leading ... 0.8 lagging Maximum total harmonic distortion < 3% (rated power) Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 120 Net weight Excluding the mounting plate: about 55 kg (121.25 lb)/Including the mounting plate: about 57 kg (125.66 lb) Operating temperature –25° C (–13° F) to +60° C (140° F) range Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 121 25 kW 25 kW 25.3 kW 21.1 kW SUN2000-3 560 V DC 30 kW 30 kW 24.7 kW 21.9 kW 0KTL-US 850 V DC 30 kW 30 kW 25.4 kW 21.6 kW Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 122: A Power Grid Codes

    PRC_024_Quebec-MV480 Quebec medium-voltage power grid ELEC RULE NO.21-MV480 California medium-voltage power grid HECO-MV480 Hawaii medium-voltage power grid Grid codes are subject to change. The listed codes are for your reference only. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 123: B Contact Information

    SUN2000-(25KTL, 30KTL)-US User Manual B Contact Information Contact Information If you need to consult any technical problem, dial the Huawei technical assistance center (TAC) hotline. Please provide the following information to receive better service.  Customer Name  Contact Info ...

  • Page 124: C Fcc Supplier's Declaration Of Conformity (Sdoc)

    This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

  • Page 125: D Acronyms And Abbreviations

    AFCI arc-fault circuit-interrupter application category California Energy Commission Canadian Standards Association direct current digital input EFUP environmentally friendly use period electromagnetic compatibility electromagnetic interference electrostatic discharge equipment serial number European Union Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 126 MPPT maximum power point tracking normally closed NetEco network ecosystem network management system personal computer Power distribution frame protective earthing PGND protection ground photovoltaic polyvinyl chloride RCMU Residual Current Monitoring Unit Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.
  • Page 127 SUN2000-(25KTL, 30KTL)-US User Manual D Acronyms and Abbreviations Underwriters Laboratory universal serial bus WebUI web user interface Issue 09 (2019-06-30) Copyright © Huawei Technologies Co., Ltd.

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