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Huawei SUN2000-(25KTL, 30KTL)-US User Manual

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SUN2000-(25KTL, 30KTL)-US
User Manual
Issue
03
Date
2017-04-01
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-(25KTL, 30KTL)-US

  • Page 1 SUN2000-(25KTL, 30KTL)-US User Manual Issue Date 2017-04-01 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

    The figures provided in this document are for reference only. The actual product appearance prevails. This document is subject to update and revision. You can register an account, log in to http://support.huawei.com/carrier, browse or search for this document on the Product Support tab page, and download the latest version. Intended Audience This document is intended for photovoltaic (PV) power station personnel and qualified electrical technicians.
  • Page 4 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    5.2 Opening the Maintenance Compartment Door ......................50 5.3 Connecting the Ground Cable ............................. 52 5.4 Connecting AC Output Power Cables ......................... 55 5.5 Connecting DC Input Power Cables ........................... 61 Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 6 9.2 SUN2000 Packing ..............................97 9.3 SUN2000 Disposal ..............................98 10 Technical Specifications ......................99 A Power Grid Codes ........................104 B Acronyms and Abbreviations ....................105 Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Safety Precautions

    Do not remove the warranty label from the SUN2000 enclosure. Otherwise, product warranty will be forfeited. 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 8 SUN2000. Then wait for at least 5 minutes before performing operations on the SUN2000.  Place temporary warning signs or erect fences to prevent unauthorized access to the maintenance site. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 9 Maintain the SUN2000 with sufficient knowledge of this document and proper tools and testing equipment.  Observe ESD precautions during maintenance.  For personal safety, wear insulation gloves and protective shoes. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 10: Overview

    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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 11: Appearance

    Figure 2-3. Figure 2-3 Supported Power Grids 2.2 Appearance This section describes the appearance and specifications of the SUN2000. Dimensions Figure 2-4 shows the SUN2000 dimensions. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 12 Figure 2-4 Dimensions SUN2000 front view Figure 2-5 shows the SUN2000 front view. Figure 2-5 SUN2000 front view (1) Indicators (2) Host panel (3) Maintenance compartment door Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 13 (on for 1s and progress. state then off for 1s) Blinking green fast Local maintenance has (on for 0.125s and failed. off for 0.125s) Local maintenance is Steady green successful. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 14 Figure 2-6 shows the SUN2000 rear view. Figure 2-6 SUN2000 rear view (1) Heat sink (2) Mounting bracket SUN2000 bottom view Figure 2-7 shows the SUN2000 bottom view. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 15: Label Conventions

    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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 16  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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 17 2-8. If the SUN2000 uses PLC 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 18 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 19 American FCC Part 15B The SUN2000 complies certification with FCC Part 15B certification standards. American FCC Part 15G The SUN2000 complies certification with FCC Part 15G certification standards. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 20: Working Process

    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. For details, see Figure 2-10. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 21: Working Modes

    Figure 2-11 shows the conditions for the SUN2000 to switch between working modes. Figure 2-11 Working mode description Table 2-6 describes the working modes shown in Figure 2-11. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 22 The SUN2000 switches from shutdown mode to standby mode if receiving a startup command or detecting that a fault is rectified. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Sun2000 Storage

     Ensure that qualified personnel inspect and test the SUN2000 before use if it has been stored for a long time. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 24: 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Tools

    (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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 26 Hammers expansion bolts into holes. Utility knife Removes packages. Cable cutter Cuts power cables. Crimping tool H4TC0001 Crimps metal terminals when preparing DC input power cables. Manufacturer: AMPHENOL Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 27 AMPHENOL 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 28 Hydraulic pliers Crimp OT terminals. Withstand voltage ≥ Heat shrink tubing  Insulates electrical devices. 600 V Thickness ≥ 0.8 mm  (0.03 in.) Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 29: 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 30 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, horizontally, or upside down. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 31 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. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 32 Figure 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) Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 33 SUN2000-(25KTL, 30KTL)-US User Manual 4 Installation Figure 4-5 Triangle installation mode (if the space is insufficient) Issue 03 (2017-04-01) Huawei Proprietary and Confidential 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. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Installing A Rear Panel

    When placing the SUN2000 on the floor, put foam or paper under the SUN2000 to protect its enclosure. ----End 4.3.3 Installing a Rear Panel Prerequisites Figure 4-8 shows the dimensions of the rear panel. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 36 Figure 4-9 Determining hole positions Step 2 Drill holes using a hammer drill and install the expansion bolts, as shown in Figure 4-11. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 37 45 N· m using a torque wrench with an 18 mm (0.71 in.) open end, as shown in Figure 4-12. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 38: Installing The Sun2000

    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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 39 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 40 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 41 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 03 (2017-04-01) Huawei Proprietary and Confidential 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 03 (2017-04-01) Huawei Proprietary and Confidential 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 44: 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 03 (2017-04-01) Huawei Proprietary and Confidential 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 03 (2017-04-01) Huawei Proprietary and Confidential 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 03 (2017-04-01) Huawei Proprietary and Confidential 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 48: Moving The Sun2000

    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 03 (2017-04-01) Huawei Proprietary and Confidential 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 50 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 51 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 03 (2017-04-01) Huawei Proprietary and Confidential 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 03 (2017-04-01) Huawei Proprietary and Confidential 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 54 SUN2000-(25KTL, 30KTL)-US User Manual 4 Installation Figure 4-36 Installing an antitheft lock ----End Issue 03 (2017-04-01) Huawei Proprietary and Confidential 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 03 (2017-04-01) Huawei Proprietary and Confidential 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. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 57 Step 2 Open the door and adjust a support bar, as shown in Figure 5-2. Figure 5-2 Adjusting a support bar Step 3 Remove the AC terminal cover and set it aside, as shown in Figure 5-3. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 58: Connecting The Ground Cable

    Figure 5-3 Removing the AC terminal cover To highlight the involved area, the figures do not show the open door. ----End 5.3 Connecting the Ground Cable Context Figure 5-4 Ground points Issue 03 (2017-04-01) Huawei Proprietary and Confidential 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.). Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 60 If cables are routed through a pipe, you can secure the pipe after connecting the ground cable to ground point 4 and connecting the AC output power cable. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 61: Connecting Ac Output Power Cables

    AC power cables can be connected in the common way or through a pipe. For details about how to handle the bottom waterproof connectors in these two methods, see 5.1 Common Cable Connection Operations. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 62 If the neutral wire of the AC output power cable is connected, a 4 AWG cable is recommended.  If the neutral wire of the AC output power cable is not connected, a 2 AWG cable is recommended. Issue 03 (2017-04-01) Huawei Proprietary and Confidential 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 64 (1) Neutral wire not connected (2) Neutral wire connected ----End Procedure (Common Connection) Step 1 Route the cables through the AC OUTPUT hole. Step 2 Prepare OT terminals. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 65 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 66 SUN2000 operates. Figure 5-12 Connecting AC output power cables (1) Neutral wire nor PE wire connected (2) Neutral wire connected, PE wire not Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 67: Connecting Dc Input Power Cables

    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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 68 Connected to routes 1 and 3 Connected to routes 1, 3, and 5 Connected to routes 1, 2, 3, and 5 Connected to routes 1, 2, 3, 4, and 5 Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 69 Positive and negative connectors 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 Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 70 5-17. Ensure that the cables are crimped tightly such that they cannot be pulled out by a force less than 400 N. Figure 5-17 Crimping a metal terminal Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 71 Step 4 Tighten the locking nuts on the positive and negative connectors. Secure the nuts using a removal wrench, as shown in Figure 5-19. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 72 Step 6 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. Figure 5-20 Measuring the DC input voltage Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 73 Figure 5-22. Before removing the positive and negative connectors, ensure that the DC SWITCH is OFF. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 74: Connecting Communications Cables

    Figure 5-24 shows the communication mode for multiple SUN2000s. If multiple SUN2000s are used, connect all the SUN2000s in daisy chain mode over an RS485 communications cable. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 75: Selecting A Communication Mode

    The RS485 communications cable can connect to either a terminal block or an RJ45 network port in the maintenance compartment. Use one connection mode in practice. Connecting to the terminal block is recommended. Prepare materials based on the connection method. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 76 When routing communications cables, ensure that they are separate from power cables and away from interfering source to prevent communication from being affected.  Pin definitions of the RS485 terminal block Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 77: Function Description

    RS485B SVG RS485B, RS485 differential signal– Reserved RS485 RS485A SVG RS485A, RS485 differential communications signal+ port RS485B, RS485 differential RS485B SVG signal–  RJ45 Connector Pin Definitions Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 78 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. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 79 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 80 If multiple SUN2000s are connected over RS485 communications cables, connect them in the way shown in Figure 5-31. Figure 5-31 Multiple SUN2000s connecting to the RS485 communications cable  Method 2: Connecting to RJ45 ports Prepare the cable. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 81 Route the cable through the COM1 hole at the bottom, then to the RS485 IN and RS485 OUT ports in the maintenance compartment. Figure 5-33 Connecting RS485 communications cables (through a pipe) Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 82 Cable ties are bound at the same positions irrespective of whether the communications cables are connected in a common way or through a cable. Figure 5-35 Binding communications cables ----End Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 83: Verifying The Installation

    5.8 Closing the Maintenance Compartment Door Close the maintenance compartment door as described in this section. Procedure Step 1 Install the AC terminal cover, as shown in Figure 5-36. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 84 Step 3 Close the maintenance compartment door and tighten the two screws on the maintenance compartment door, as shown in Figure 5-38. The required torque is 4 N· m. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 85 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 86: 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 87 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 88: 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 89: Led Indicator

    An operation with a USB Steady green flash drive is successful. Step 5 Insert the USB flash drive into a computer and check the exported data. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 90: Importing Configurations

    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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 91: Exporting Data

    Step 4 Insert the USB flash drive into a PC and check the exported data. After the data is exported, the boot script file and exported file are in the root directory of the USB flash drive. ----End Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 92: Upgrading

    Verify that the ciphertext in the boot script file matches the login password of the SUN2000 APP. If they do not match and you insert the USB flash drive for five consecutive times, the user account will be locked for 10 minutes. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 93: Operations With A Smartlogger

    For operations with the NMS, see the iManager NetEco 1000S User Manual. 7.4 Operations with the SUN2000 APP For operations with the SUN2000 APP, see the SUN2000 APP User Manual. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 94: Maintenance

     Check that the idle RS485 and USB ports are covered by waterproof caps. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 95: Troubleshooting

    Minor: Some components are faulty but the SUN2000 can still feed electricity to the power grid.  Warning: The SUN2000 output power decreases due to external factors. Table 8-2 describes the common faults of the SUN2000 and troubleshooting measures. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 96 The PV string deteriorates string is shielded. or is damaged. 3. If the PV string is clean and not shielded, check whether the PV modules are faulty. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 97 As a result, the internal voltage increases.  Cause ID = 12/15 An unrecoverable fault occurs on a circuit inside the inverter. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 98 3. If the alarm persists for a long  Reason ID = 26 time, check the AC circuit The grid voltage is higher breaker and output cables of the than the allowable range. SUN2000. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 99 Cause ID = 31–33 Check the impedance of output phase wire A/B/C to the PE and locate the position with lower impedance and resolve the issue. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 100 SUN2000 app, SmartLogger, or NMS to set the Insulation resistance protection. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 101 DC input switch, and then turn them An unrecoverable fault has on after 5 minutes. If the fault occurred on a circuit inside the persists, contact Huawei technical SUN2000. support. Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 102 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 103: Sun2000 Handling

    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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 104: 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 105: Technical Specifications

    Maximum short-circuit 99 A (33 A per MPPT) current (DC) Maximum input current 45 A (25 A per MPPT) 54 A (25 A per MPPT) (DC) Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 106 1%, but not less than 120 ms Rated output voltage (AC) 480 V Rated output frequency 60 Hz Maximum continuous output current 33 A 40 A (AC) Maximum total harmonic distortion < 3% Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 107: General Data

    770 mm (30.31 in.) x 550 mm (21.65 in.) x 270 mm (10.63 in.) Weight 55 kg (121.25 lb) Operating temperature –25° C (–13° F) to +60° C (140° F) range Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 108 < 50% V Rated (60 Hz) 0.16 50% V ≤ V < 88% Rated (60 Hz) 0.16–2 110% V < V < Rated (60 Hz) 0.16–1 120% V Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 109 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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 110: A Power Grid Codes

    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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 111: B Acronyms And Abbreviations

    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 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 112 MPPT maximum power point tracking normally closed network ecosystem NetEco network management system personal computer Power distribution frame protective earthing protection ground PGND photovoltaic polyvinyl chloride Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 113 SUN2000-(25KTL, 30KTL)-US User Manual B Acronyms and Abbreviations Underwriters Laboratory universal serial bus WebUI web user interface Issue 03 (2017-04-01) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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