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SUN2000-(29.9KTL, 33KTL-A, 36KTL, 42KTL) User Manual

This document describes the SUN2000-(29.9KTL, 33KTL-A, 36KTL, 42KTL) in terms of their installation, electrical connections, commissioning, maintenance, and troubleshooting.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Powering On the SUN2000

Powering On the SUN2000

Prerequisites

Before turning on the AC switch between the inverter and the power grid, use a multimeter to check that the AC voltage is within the specified range.

Procedure

  1. Turn on the AC switch between the inverter and the power grid.

    If you perform 2 before 1, the SUN2000 reports a fault about abnormal shutdown. The SUN2000 can start normally after the fault is automatically rectified. The default alarm clearance time is 1 minute. You can modify the time over the NMS software installed on the PC that connects to the SUN2000.

  2. Turn on the DC switches at the bottom of the inverter chassis.
  3. (Optional) Measure the temperatures at the joints between DC terminals and connectors using a point-test thermometer.

    To ensure that the DC terminals are in good contact, check the temperatures at the joints between DC terminals and connectors after the SUN2000 has been running for a period of time. Ensure that the temperature rise does not exceed 40°C.

  4. Connect a mobile phone that runs the SUN2000 app to the inverter using a Bluetooth module, a WLAN module, or a USB data cable.

    The screen snapshots in this document correspond to app 3.2.00.001 (Android).

    Figure 6-1  WLAN or Bluetooth connection

    (A) Inverter

    (B) WLAN module/Bluetooth module

    (C) Mobile phone

    NOTE:

    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.

    Figure 6-2  USB data cable connection

    (A) Inverter

    (B) USB data cable

    (C) Mobile phone

    NOTE:

    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
    Figure 6-4  Selecting a connection mode
    NOTE:
    • When the WLAN connection is used, the initial name of the WLAN hotspot is Adapter-WLAN module SN, and the initial password is Changeme.
    • Use the initial password upon first power-on and change it immediately after login. To ensure account security, change the password periodically and keep the new password in mind. Not changing the initial password may cause password disclosure. A password left unchanged for a long period of time may be stolen or cracked. If a password is lost, devices cannot be accessed. In these cases, the user is liable for any loss caused to the PV plant.
    • 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.

  5. Switch the user type (common user, advanced user, and special user) by tapping the user name bar.

    Figure 6-5  Switching between users
    NOTE:
    • The login password is the same as that for the inverter connected to the app and is used only when the inverter connects to the app.
    • The initial password for Common User, Advanced User, and Special User is 00000a.
    • Use the initial password upon first power-on and change it immediately after login. To ensure account security, change the password periodically and keep the new password in mind. Not changing the initial password may cause password disclosure. A password left unchanged for a long period of time may be stolen or cracked. If a password is lost, devices cannot be accessed. In these cases, the user is liable for any loss caused to the PV plant.
    • During the login, if an incorrect password is entered for five consecutive times (the interval between two consecutive invalid password entries is less than 2 minutes), the account will be locked for 10 minutes. The password consists of six digits.

  6. Enter the password and tap Log In.
  7. After login, the Quick Settings screen or Function Menu screen is displayed.

    NOTE:
    • If you log in to the app after the device connects to the app for the first time or factory defaults are restored, the Quick Settings screen will be displayed on which you can set basic parameters. After the settings take effect, you can enter the main menu screen and modify the parameters on the Settings screen. By default, the inverter 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.
    Figure 6-6  Quick Settings screen (logging in as an advanced user)

    NOTE:
    • Set the power grid code that applies to the country or region where the power station is located and the inverter model.
    • If you change the grid code, some parameters may be restored to factory defaults. After the grid code is changed, check whether the previously set parameters are affected.
    • Set user parameters based on the current date and time.
    • Set Baud rate, RS485 protocol, and Com address based on site requirements. Baud rate can be set to 4800, 9600, or 19200. RS485 protocol can be set to MODBUS RTU, and Com address can be set to any value in the range of 1 to 247.
    • When multiple inverters communicate with the SmartLogger over RS485, the addresses for all the inverters on each 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.
    Figure 6-7  Function Menu screen

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Updated: 2019-08-02

Document ID: EDOC1100019925

Views: 15010

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