Huawei SUN2000-33KTL-US User Manual
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Huawei SUN2000-33KTL-US User Manual

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SUN2000-(33KTL, 36KTL, 40KTL)-US
User Manual
Issue
07
Date
2019-06-20
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-33KTL-US

  • Page 1 SUN2000-(33KTL, 36KTL, 40KTL)-US User Manual Issue Date 2019-06-20 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...

  • Page 3: About This Document

    About This Document About This Document Purpose This document describes the SUN2000-33KTL-US/36KTL-US/40KTL-US (SUN2000 for short) in terms of its installation, electrical connections, commissioning, maintenance, and troubleshooting. Understand the safety information and get familiar with the SUN2000 functions and features before installing and operating the SUN2000.
  • Page 4 Maintenance. Added B Contact Information. Issue 04 (2017-11-06) Updated 5.4 Connecting AC Output Power Cables. Issue 03 (2017-07-15) Updated 5.2.1 Grounding the SUN2000 over a PE Point. Updated 10 Technical Specifications. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 5 Added the description of supplying the mounting bracket separately to 4.5 Installing the Mounting Bracket. Added the description of preparing MC4 DC terminals to 5.5 Connecting DC Input Power Cables. Issue 01 (2017-04-01) This issue is the first official release. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 6: Table Of Contents

    5.4.1 Connection Through a Pipe ............................. 46 5.4.2 Common Connection ............................... 54 5.5 Connecting DC Input Power Cables ........................... 61 5.6 Connecting Communications Cables .......................... 71 5.6.1 Communication Mode Description .......................... 71 Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 7 9.2 Packing the SUN2000 ............................... 110 9.3 Disposing of the SUN2000 ............................110 10 Technical Specifications ......................111 A Grid Codes..........................115 B Contact Information ......................... 116 C Acronyms and Abbreviations ....................117 Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 8: Safety Precautions

    Before performing operations, read through this manual and follow all the precautions to prevent accidents. The safety precautions provided in this document do not cover all the safety precautions. Huawei shall not be liable for any consequence caused by the violation of the safety operation regulations and design, production, and usage standards.
  • Page 9 Operation High voltages may cause electric shocks and serious injuries during SUN2000 operating. Strictly comply with the safety precautions in this document and associated documents when operating the SUN2000. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 10 Rectify any faults that may compromise the SUN2000 security performance before powering on the SUN2000 again.  Observe ESD precautions during the maintenance.  For personal safety, wear insulation gloves and protective shoes. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 11: Overview

    PV strings into AC power and feeds the power into the power grid. Model Figure 2-1 describes the model number of the SUN2000-33KTL-US. Figure 2-1 Model number description Table 2-1 describes the rated output power and voltage of all models of SUN2000s.
  • 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 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Appearance

    User Manual 2 Overview 2.2 Appearance SUN2000 Dimensions Figure 2-4 shows the SUN2000 dimensions. Figure 2-4 SUN2000 dimensions (including the mounting plate) Front View Figure 2-5 shows the SUN2000 front view. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 14 Communications Blinking green at short intervals (on for The SUN2000 receives indicator 0.5s and then off for 0.5s) communications data normally. Green off The SUN2000 receives no communications data for 10s. Issue 07 (2019-06-20) 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. SUN2000 Rear View Figure 2-6 shows the SUN2000 rear view. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 16 (0.55–0.71 in.) 2-inch waterproof cable Inner diameter: 37–44 AC OUTPUT connector mm (1.46–1.73 in.) USB port DC switch 1 DC SWITCH 1 DC switch 2 DC SWITCH 2 Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Label Description

    SUN2000 measures the PV array isolation. Burn warning Do not touch a running SUN2000 because it generates high temperatures on the shell. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 18 Indicates the SUN2000 label serial number. Nameplate The SUN2000 is labeled with a nameplate on the side that contains the model information, technical specifications, and compliance symbols, as shown in Figure 2-8. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 19 SUN2000-(33KTL, 36KTL, 40KTL)-US User Manual 2 Overview Figure 2-8 Nameplate of the SUN2000-33KTL-US (1) Trademark and product model (2) Important technical specifications (3) Compliance symbols (4) Company name and country of manufacture The nameplate figure is for reference only. The actual nameplate prevails.

  • Page 20: Working Principle

    DC power is then converted into three-phase AC power through an inverter circuit. Surge protection is supported on both the DC and AC sides. Figure 2-9 shows the SUN2000 conceptual diagram. Figure 2-9 SUN2000 conceptual diagram Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 21 The SUN2000 enters the shutdown mode after detecting a fault or a shutdown command, and enters the standby mode after detecting that the PV string output power does not meet the requirements for grid-tied electricity generation. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 22 In standby or operating mode, the SUN2000 enters the shutdown mode after detecting a fault or shutdown command.  In shutdown mode, the SUN2000 enters the standby mode after detecting a startup command or that a fault is rectified. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Sun2000 Storage

    Periodic inspections are required during the storage. If any rodent bites are found, replace the packing materials immediately.  If the SUN2000 has been long-term stored, inspections and tests should be conducted by qualified personnel before it is put into use. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 24: System Installation

    After unpacking the inverter, check that the contents are intact and complete. If any damage is found or any component is missing, contact your supplier. For details about the number of contents, see the Packing List in the packing case. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Tools

    Diagonal pliers Cut cable ties. Wire stripper Peels cable jackets.   Connects cables to the terminal Torque screwdriver Flat head: M3 block.  Phillips head: M4  Secure the AC filter. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 26  H4TC0003 (Amphenol) is used to crimp metal stamping forming contacts. Amphenol Helios H4 H4TW0001 Removes Amphenol Helios H4 open-end spanner DC connectors from the Manufacturer: Amphenol SUN2000. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 27 Removes MC4 DC connectors spanner from the SUN2000. Vacuum cleaner Cleans up dust after drilling holes. Multimeter DC voltage measurement Measures voltages. range ≥ 1000 V DC Marker Marks signs. Measuring tape Measures distances. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 28 Operating voltage ≥ 2000 Insulation gloves Protect you from electric shocks. Safety goggles Protect your eyes during hole drilling. Anti-dust respirator Protects you from dust during hole drilling. Hydraulic pliers Crimp OT terminals. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Determining The Installation Position

    The SUN2000 must be installed in a well ventilated environment to ensure good heat dissipation. When installed under direct sunlight, performance de-rate may be initiated due to additional temperature rise. Recommended: Install the SUN2000 in a sheltered place or a place with an awning. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 30 Install the SUN2000 vertically or at a maximum back tilt of 75 degrees to facilitate heat dissipation.  Do not install the SUN2000 at a front tilt, excessive back tilt, side tilt, horizontally, or upside down. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 31 The SUN2000 dimensions (W x H x D, including the mounting plate) are 930 mm x 550 mm x 283 mm (36.61 in. x 21.65 in. x 11.14 in.). Reserve enough clearance around the SUN2000 to ensure sufficient space for installation and heat dissipation. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 32 Stacked installation is not recommended. The following figures show the wall-mounted installation modes and provide reference for other installation modes. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 33 SUN2000-(33KTL, 36KTL, 40KTL)-US User Manual 4 System Installation Figure 4-6 Horizontal installation mode (recommended) Figure 4-7 Triangle installation mode (recommended) Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Moving The Inverter

    When placing the SUN2000 on the floor, put foam or paper under the SUN2000 to protect its cover. Procedure Step 1 Arrange two persons to hold the handles on both sides of the SUN2000. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Installing The Mounting Bracket

    If yes, remove the security torx wrench from the mounting bracket and save it for later use. Figure 4-11 shows the position for storing the security torx wrench.  If no, obtain a security torx wrench from the SUN2000 fitting bag. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 36: Wall-Mounted Installation

    Step 2 Drill holes using a hammer drill and install the supplied expansion bolts. Avoid drilling holes in the water pipes and power cables buried in the wall. An expansion bolt contains four parts, as shown in Figure 4-13. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 37 Remove the nut, spring washer, and flat washer. Step 3 Align the mounting bracket holes with the drilled holes, insert expansion bolts into the holes through the mounting bracket, and then tighten the expansion bolts. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 38: Common Support-Mounted Installation

    Figure 4-16 Determining hole positions Step 2 Drill holes using a hammer drill. You are advised to apply anti-rust paint on the hole positions for protection. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 If the screw length does not meet the installation requirements, prepare M12 bolt assemblies by yourself. Figure 4-18 Securing a mounting bracket ----End Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 40: Tilted Support-Mounted Installation

    Figure 4-19 Determining hole positions Step 2 Drill holes using a hammer drill. You are advised to apply anti-rust paint on the hole positions for protection. Figure 4-20 Drilling holes Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 41: Installing The Sun2000

    SUN2000 with one hand and the handle at the top with the other. To prevent personal injury caused by a falling SUN2000, keep balance when lifting the SUN2000 because it is heavy. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 42 Step 4 Run a rope that is strong enough to bear the SUN2000 through the lifting eyes and hoist the SUN2000. When hoisting the SUN2000, keep balance to protect the SUN2000 from colliding with the wall or other objects. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 43 SUN2000-(33KTL, 36KTL, 40KTL)-US User Manual 4 System Installation Figure 4-23 Hoisting a SUN2000 Step 5 Install the SUN2000 on the mounting bracket and level the SUN2000 chassis with the mounting bracket. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 44: Optional) Installing The Dc Protection Shroud

    Figure 4-25 Tightening security torx screws ----End 4.7 (Optional) Installing the DC Protection Shroud Context To avoid electric shocks, you are advised to install a DC protection shroud in a rooftop PV plant. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 45 4 System Installation Procedure Step 1 Install the protection shroud bracket. Figure 4-26 Installing a bracket Step 2 Install the protection shroud rear panel. Figure 4-27 Installing a rear panel ----End Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 46 Clear foreign matter from the protection shroud. Install the front cover of the protection shroud. Figure 4-28 Installing a front cover Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 47: Connecting Cables

    The cable colors shown in the electrical connection drawings provided in this chapter are for reference only. Select cables in accordance with local cable specifications (green-and-yellow wires are used for grounding only). 5.1 Preparing OT Terminals Figure 5-1 shows how to prepare an OT terminal. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 48: Connecting The Ground Cable

     When using the heat gun, protect devices from being scorched. Figure 5-1 Preparing an OT terminal 5.2 Connecting the Ground Cable Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 49: Grounding The Sun2000 Over A Pe Point

    There are two ground points on the enclosure and one of them is standby. Procedure Step 1 Prepare the OT terminal. Step 2 Secure the ground cable using the ground screw. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 50: Pv Side Grounding

    Recommended ground cable: an outdoor copper-core cable with a cross-sectional area of 6 AWG or more  OT terminal: M6 Procedure Step 1 Prepare the OT terminal. Step 2 Secure the ground cable using the ground screw. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 51: Opening The Maintenance Compartment Door

     Do not leave unused screws in the maintenance compartment. Procedure Step 1 Remove the two screws from the maintenance compartment door using a security torx wrench and set them aside. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 Figure 5-4 Removing screws Step 2 Open the maintenance compartment door and adjust the support bar. Figure 5-5 Adjusting a support bar Step 3 Remove the AC terminal cover and set it aside. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 53: Connecting Ac Output Power Cables

    If you connect a ground cable to the PE point on the chassis shell in the scenario with no neutral wire, you are advised to use three single-core outdoor cables (L1, L2, and L3). Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 54 If a copper-clad aluminum cable is used, use a copper wiring terminal.  If an aluminum alloy cable is used, use a copper to aluminum adapter terminal or an aluminum wiring terminal with a copper to aluminum adapter washer. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 55 AC terminal block. Figure 5-7 Requirements for OT terminals Context The pipe specifications should comply with the waterproof connector specifications. For example, for a 2-inch waterproof connector, prepare a 2-inch pipe. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 56 Remove the AC filter and keep the screws aside. Remove the locking cap and plug from the waterproof connector, and then remove the waterproof connector. Secure the pipe fittings to the chassis using the nut delivered with the pipe. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 57 Step 2 Route the AC output power cable through the conduit and fittings of the pipe, and then the AC filter. Step 3 Prepare the OT terminal. Pay attention to the OT terminal and ensure that it can successfully connect to the AC terminal block. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 58 Figure 5-11 OT terminal direction (using one cable as an example) Step 4 Connect the AC output power cable and secure it using a socket wrench that has an extension rod. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 59 If the SUN2000 is insecurely installed and the AC output power cable bears the pulling force, ensure that the last cable bearing the force is the PE cable. Figure 5-12 Connecting the AC output power cable (excluding the ground cable and neutral wire) Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 60 Figure 5-13 Connecting the AC output power cable (including the ground cable but excluding the neutral wire) Figure 5-14 Connecting the AC output power cable (excluding the ground cable but including the neutral wire) Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 61: Common Connection

    If you connect a ground cable to the PE point in the maintenance compartment in the scenario with no neutral wire, you are advised to use a four-core (L1, L2, L3, and PE) outdoor cable. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 62 If a copper-clad aluminum cable is used, use a copper wiring terminal.  If an aluminum alloy cable is used, use a copper to aluminum adapter terminal or an aluminum wiring terminal with a copper to aluminum adapter washer. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 63 Step 1 Remove an appropriate length of the jacket and insulation layer from the AC output power cable using a wire stripper. Ensure that the jacket is in the maintenance compartment. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 64 (B) Insulation layer (C) Jacket Figure 5-18 Four-core cable (including the ground cable but excluding the neutral wire) Figure 5-19 Four-core cable (excluding the ground cable but including the neutral wire) Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 65 Step 3 Route the cable through the waterproof connector. Figure 5-21 Routing cables Step 4 Connect the AC output power cable and secure it using a socket wrench that has an extension rod. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 66 If the SUN2000 is insecurely installed and the AC output power cable bears the pulling force, ensure that the last cable bearing the force is the PE cable. Figure 5-22 Connecting the AC output power cable (excluding the ground cable and neutral wire) Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 Figure 5-23 Connecting the AC output power cable (including the ground cable but excluding the neutral wire) Figure 5-24 Connecting the AC output power cable (excluding the ground cable but including the neutral wire) Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 68: Connecting Dc Input Power Cables

    Check that the cables are connected correctly and securely. Then seal the waterproof connectors and cable holes, and clear foreign matter from the maintenance compartment. 5.5 Connecting DC Input Power Cables Prerequisites Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 69 The SUN2000 provides two DC switches, namely, DC SWITCH 1 and DC SWITCH 2. DC SWITCH 1 controls the first to fourth sets of DC input terminals, whereas DC SWITCH 2 controls the fifth to eighth sets of DC input terminals. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 70 12 AWG 4.5–7.8 mm the industry (model: (0.18–0.31 in.) PV1-F) Rigid cables, such as armored cables, are not recommended, because poor contact may be caused by the bending of the cables. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 71 H4TC0003 (Amphenol, recommended), 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 5-27 Crimping tool (H4TC0003) (1) Locator Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 72 SUN2000-(33KTL, 36KTL, 40KTL)-US User Manual 5 Connecting Cables Figure 5-28 Preparing positive and negative connectors (using Amphenol Helios H4 metal cold forming contacts) Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 73 SUN2000-(33KTL, 36KTL, 40KTL)-US User Manual 5 Connecting Cables Figure 5-29 Preparing positive and negative connectors (using Amphenol Helios H4 metal stamping forming contacts) Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 74 If the voltage is a negative value, the PV string is reversely connected. Correct the polarity.  If the voltage is greater than 1000 V DC, too many PV modules are configured. Remove some PV modules. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 3, ensure that the two DC switches are OFF. Step 3 Remove the dustproof cap, and insert the positive and negative connectors into the corresponding positive and negative DC input terminals of the SUN2000 until they snap into place. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 76 After the positive and negative connectors snap into place, pull the DC input power cables back to ensure that they are connected securely. Figure 5-33 Connecting the DC input power cable (Amphenol Helios H4) Figure 5-34 Connecting the DC input power cable (MC4) Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 77 If you replace the SUN2000 that uses the Amphenol Helios H4 DC terminal with the SUN2000 that uses the MC4 DC terminal, you are advised to replace the DC input connector on the cable with the supplied MC4 DC input connector. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 78: Connecting Communications Cables

    SmartLogger2000, a maximum of six daisy chains can be configured.  To ensure the system response speed, it is recommended that the number of devices on each daisy chain be less than 30. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 79: Selecting A Mode For Connecting Rs485 Communications Cables

    The RS485 communications cable can be connected in a common way or through a pipe. Before installation, prepare materials based on the connection mode.  If you choose connection through a pipe, ensure that the RS485 communications cable and 3/4–inch pipe are available. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 80 RS485A OUT RS485A, RS485 differential signal + RS485B, RS485 differential signal – RS485B IN RS485B, RS485 differential signal – RS485B OUT Figure 5-40 shows how to prepare an RS485 communications cable. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 81 RS485B, RS485 differential signal – Orange White-and-green Blue RS485A, RS485 differential signal + RS485B, RS485 differential signal – White-and-blue Green White-and-brown Brown Figure 5-42 shows how to prepare an RS485 communications cable. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 82: Connecting Rs485 Communications Cables Through A Pipe

    Secure the pipe fittings to the chassis using the nut delivered with the pipe. Figure 5-43 Installing pipe fittings Step 2 Route the communications cable through the conduit and then fittings of the pipe. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 83 Step 4 Install the terminal base on the terminal block, and connect the shield layers to the ground point. When connecting the shielded cables, choose whether to crimp the OT terminal based on site requirements. Figure 5-45 Connecting communications cables Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 84 Step 1 Install the pipe fittings. Remove the locking cap and plug from the waterproof connector, and then remove the waterproof connector. Secure the pipe fittings to the chassis using the nut delivered with the pipe. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 85 Step 2 Route the communications cable through the conduit and then fittings of the pipe. Step 3 Insert the RJ45 connectors into the RJ45 network ports in the SUN2000 maintenance compartment. Figure 5-48 Connecting communications cables Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 86: Connecting The Rs485 Communications Cable In A Common Way

    5.6.4 Connecting the RS485 Communications Cable in a Common Connecting Cables to the Terminal Block Step 1 Route the communications cables through the waterproof connectors. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 87 Step 3 Install the terminal base on the terminal block, and connect the shield layers to the ground point. When connecting the shielded cables, choose whether to crimp the OT terminal based on site requirements. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 88 SUN2000-(33KTL, 36KTL, 40KTL)-US User Manual 5 Connecting Cables Figure 5-52 Connecting communications cables Step 4 Bind communications cables after connecting them. Figure 5-53 Binding communications cables Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 89 Connecting Cables to the RJ45 Network Port Step 1 Route the communications cables through the waterproof connector. Figure 5-54 Routing cables Step 2 Insert the RJ45 connectors into the RJ45 network ports in the SUN2000 maintenance compartment. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 90 SUN2000-(33KTL, 36KTL, 40KTL)-US User Manual 5 Connecting Cables Figure 5-55 Connecting communications cables Step 3 Bind communications cables after connecting them. Figure 5-56 Binding communications cables Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 91: Closing The Maintenance Compartment Door

    5.7 Closing the Maintenance Compartment Door Procedure Step 1 Install the AC terminal cover. Figure 5-57 Installing a cover Step 2 Adjust the support bar. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 92 If a screw on the maintenance compartment door is missing, use the unused ground screw on the chassis shell as a standby screw.  If the floating nut used for securing the maintenance compartment door is missing, use the standby floating nut shown in Figure 5-60. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 93 SUN2000-(33KTL, 36KTL, 40KTL)-US User Manual 5 Connecting Cables Figure 5-60 Removing a standby floating nut ----End Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 94: System Commissioning

    Before turning on the AC switch between the SUN2000 and the power grid, use a multimeter to check that the AC voltage is within the specified range. Procedure Step 1 Turn on the AC switch between the SUN2000 and the power grid. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 (C) Mobile phone Purchase the WLAN module/Bluetooth module bundled with the SUN2000. A WLAN module/Bluetooth module purchased from any other source may not support communication between the SUN2000 and the app. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 96 (C) Mobile phone Use the USB data cable delivered with the mobile phone. The port type of the USB data cable connected to the SUN2000 is USB 2.0. Figure 6-3 Login screen Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 97 After you select Use by default for this USB accessory, the message will not appear if you connect the app to the inverter again without removing the USB data cable. Step 5 Tap the user name area to switch between the common user, advanced user, and special user. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 98 Settings screen. By default, the SUN2000 can be grid-tied and you do not have to set parameters.  You are advised to log in to the Quick Settings screen as an advanced user for parameter settings. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 99 RS485 route must be within the address range set on the SmartLogger and cannot be duplicate. Otherwise, the communication will fail. In addition, the baud rates of all the inverters on each RS485 route must be consistent with the SmartLogger baud rate. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 100: Powering Off The Sun2000

    Step 2 Turn off the AC switch between the SUN2000 and the power grid. Step 3 Set the two DC switches to OFF. Step 4 (Optional) Install locks on the DC switches. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 101 User Manual 6 System Commissioning Turn off the DC switches. To prevent turning on the switches by mistake, you are advised to lock the DC switches. Figure 6-8 Installing locks ----End Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 102: 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 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 103 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 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 104: 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 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 105: 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 V200R002C20SPCXXX). Step 2 Decompress the upgrade package. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 106 Table 7-4 LED indicator description LED Indicator Status Meaning There is no operation with Green off a USB flash drive. Blinking green at long intervals (on There is an operation with Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 107: Operations With A Smartlogger

    7.3 Operations with the NMS 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 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 108: Maintenance

     Check that the cover on the USB port is tightened.  Check that idle RESERVE and COM waterproof connectors are plugged and the locking caps are tightened. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 109: Troubleshooting

    The PV array is not or equal to the maximum inverter properly configured. input voltage. After the PV array Excessive PV modules are configuration is corrected, the connected in series to PV SUN2000 alarm disappears. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 110 SUN2000 automatically recovers.  Cause ID = 3 2. If the alarm persists, contact Huawei technical support. The SUN2000 input is disconnected accidentally, Cause ID = 12/15 or the PV string output Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 111 Cause ID = 14 The grid voltage drops dramatically or the power grid is short-circuited. As a result, the inverter transient output current exceeds the upper threshold and therefore the inverter Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 112 OFF. thresholds.  Cause ID = 31/32/33 3. Check whether the peak grid voltage exceeds the upper The impedance of the threshold. output phase wire A (cause Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 113 1. If the alarm occurs accidentally, the power grid may be abnormal temporarily. The SUN2000 automatically recovers after detecting that the power grid becomes normal. 2. If the alarm occurs frequently, check whether the grid frequency Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 114 Fault DC input switch. Then turn on the An unrecoverable fault occurs AC output switch and DC input on a circuit inside the switch after 5 minutes. If the fault SUN2000. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 115 Cause ID = 1 Fault 2. If the monitoring board is built  The flash memory is into the monitoring device, insufficient. replace the monitoring device.  The flash memory has bad sectors. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 116 SUN2000-(33KTL, 36KTL, 40KTL)-US User Manual 8 Maintenance If you cannot rectify faults with the measures listed in the preceding table, contact Huawei technical support. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 117: Handling The Sun2000

    If the original packing materials are not available, put the SUN2000 inside a suitable cardboard box and seal it properly. 9.3 Disposing of the SUN2000 If the SUN2000 service life expires, dispose of it according to the local disposal rules for electrical equipment waste. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 118: Technical Specifications

    MPPT voltage range 460–850 V 490–850 V 530–850 V at full load Rated input voltage 720 V Maximum input 22 A current (per MPPT) Maximum 30 A short-circuit current (per MPPT) Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 119 When the SUN2000 is used in a scenario with the neutral wire, you need to set Output mode to Three-phase, four-wire on the SUN2000 app, SmartLogger, or NMS. Protection Item SUN2000-33KTL- SUN2000-36KTL- SUN2000-40KTL- Anti-islanding Supported protection Input DC switch Supported Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 120 Excluding the mounting plate: about 60 kg (132.28 lb)/Including the mounting plate: about 62 kg (136.69 lb) –25° C to +60° C (–13° F to +140° F) Operating temperature Cooling mode Natural convection Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 121 User Manual 10 Technical Specifications Item SUN2000-33KTL- SUN2000-36KTL- SUN2000-40KTL- Humidity 0%–100% RH Input terminal Amphenol Helios H4 or MC4 Output terminal Waterproof cable connector+OT terminal Ingress Protection Type 4X Rating Topology Transformerless Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 122: A Grid Codes

    PRC_024_Quebec-MV480 Quebec medium-voltage power grid ELECTRIC RULE NO.21-MV480 California medium-voltage power grid HECO-MV480 Hawaii medium-voltage power grid The grid codes are subject to change. The listed codes are for reference only. Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

  • Page 123: B Contact Information

    SUN2000-(33KTL, 36KTL, 40KTL)-US User Manual B Contact Information Contact Information If you need to consult any technical problem, dial the Huawei technical assistance center (TAC). Please provide the following information to receive better service.  Customer Name  Contact Info ...

  • Page 124: C Acronyms And Abbreviations

    AFCI arc-fault circuit interrupter central controller California Energy Commission environmentally friendly use EFUP period light emitting diode monitoring bus MBUS maximum power point MPPT maximum power point tracking network management system Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.
  • Page 125 SUN2000-(33KTL, 36KTL, 40KTL)-US User Manual C Acronyms and Abbreviations potential induced degradation power line communication photovoltaic RCMU residual current monitoring unit total harmonic distortion WEEE waste electrical and electronic equipment Issue 07 (2019-06-20) Copyright © Huawei Technologies Co., Ltd.

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