Sunways NT 10000 User Manual
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Sunways NT 10000 User Manual

Solar inverter
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User Manual
Sunways Solar Inverter
NT 10000, NT 11000, NT 12000
EN
English

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Summary of Contents for Sunways NT 10000

  • Page 1 User Manual Sunways Solar Inverter NT 10000, NT 11000, NT 12000 English...
  • Page 2 NT 10000...NT 12000...
  • Page 3 NT 10000...NT 12000...
  • Page 4 AG. Any type of reproduction, distribution or storage on data carriers in any form and of any kind not au- thorised by Sunways AG represents a violation of the applicable copyright laws and will be prosecuted. We reserve the right to make technical changes which serve to improve the unit, or which increase the safety stan- dard –...
  • Page 5 This Solar Inverter is equipped with HERIC topology and enables operation with a large number of solar modules and – as accustomed from Sunways – wi- thout the use of a transformer. This user manual contains instructions for using the Sunways Solar Inverter and explains its functionality.
  • Page 6 Introduction NT 10000...NT 12000...

  • Page 7: Table Of Contents

    Sunways Browser ........

  • Page 9: Product Description

    Product description Product description Intended use The Sunways NT Solar Inverter is the link between your solar generator and the public power grid. The energy from the connected solar generator is converted to grid-compliant AC current and fed into the grid.

  • Page 10: Integration Into Solar System

    (see Technical Data). Incorrect dimensioning can lead to reductions in the yield and to destruction of the unit. The Sundim design program from Sunways can be used for this purpose. Sun- ways Sundim can be found on the enclosed CD-ROM or on our website at http:/ /www.sunways.eu/de/.
  • Page 11 1 Solar generator Options 2 Solar Inverter with integrated DC 4 Irradiance sensor with integrated load break switch temperature sensor 3 Mains fuse and energy meter 5 PC for monitoring system 6 large display NT 10000...NT 12000...

  • Page 12: Module Description

     AC connector  CAN terminating resistor connector (connected)  Ethernet cable, 2 m (CAT 5e, 1:1)  Warranty registration  SETUP - quick reference guide  CD-ROM, including Manual, Sunways Sundim design program, product and service information NT 10000...NT 12000...
  • Page 13 Your specialist dealer will be happy to pro- vide assistance if required. Any damage report must be received by the trans- port company in writing no later than seven days after receipt of the goods. NT 10000...NT 12000...
  • Page 14 Product description NT 10000...NT 12000...

  • Page 15: Safety Precautions

    Warranty and liability The General Terms and Conditions of Sale and Delivery of Sunways AG always apply. Warranty and liability claims for injuries and damage shall not be accep- ted if they are due to one or more of the following causes: ...

  • Page 16: Explanation Of Symbols And Warnings

    PV generator. The energy storage capacitors are not completely discharged until after this time. You must wait at least five mi- nutes after disconnecting the unit from the mains supply and from the PV ge- nerator before opening the unit. NT 10000...NT 12000...

  • Page 17: Basic Safety Measures

    If a residual current occurs on the DC side, only the affected power unit switches off. The same applies in th event of an insulation fault: Only the power unit in which the fault occurred switches off. The other power units continue operating normally. NT 10000...NT 12000...
  • Page 18 These protect the power semiconductors in case of high-energy, short-term voltage peaks in the grid and dissipate the energy in the choke in case of a grid disconnection.  Generator-side varistors Varistors offer protection against atmospheric overvoltages (e.g. caused by remote strikes during thunderstorms). NT 10000...NT 12000...

  • Page 19: Technical Data

    Number of feed-in phases (230 V single-phase) Performance data Stand-by consumption Night-time consumption ~0 W Maximum efficiency 97.6% 97.6% 97.6% Max. European efficiency 97.3% 97.2% 97.2% MPP efficiency (static) > 99% ® Circuit type HERIC topology, transformerless NT 10000...NT 12000...
  • Page 20 Sensor interfaces irradiance, temperature Display LCD dot matrix, backlit, 128 x 64 pixels System monitoring Automatic alarms via e-mail, Sunways Browser, Sunways Portal IP rating according to IEC 60529 IP 54 Max. relative humidity Cooling Forced ventilation via external fans, temperature-controlled Ambient temperature -25°C to 50 °C (at full...

  • Page 21: Installation

     A minimum distance of 300 mm to other units, cabinets, ceilings, cable ducts, etc. must be maintained above, below and to the sides of the housing (see diagram). Ceiling 300 mm cold 300 mm  The Solar Inverter must be installed upright to enable adequate free convec- tion. NT 10000...NT 12000...
  • Page 22 Install the wall bracket with suitable screws and wall plugs depending on the surface condition. Release the retaining screws for the Solar Inverter at the top on both sides with an Allen key. NT 10000...NT 12000...

  • Page 23: Electrical Installation

     The positive and negative lines must be kept electrically separate from the earth potential.  Touchable, live parts of the solar generator (e.g. metal frame, carrying struc- ture, etc.) must be earthed (connection with PE).  Check the solar generator for freedom from short-circuits to earth. NT 10000...NT 12000...
  • Page 24 4 DC Load Break Switch string 2 Tyco Solarlok plug connector The Solarlok plug connector system is designed for convenient, reliable connec- system tion of individual solar generators and the Solar Inverter. Components The following connectors are used: Positively coded connector NT 10000...NT 12000...
  • Page 25 4.5 mm to 6.9 mm. Special seals and clamping baskets must be used for cables with a sheath diameter greater than 6.9 mm.  The Tyco Solarlok crimping pliers can be purchased from your sales partner. NT 10000...NT 12000...
  • Page 26 CAUTION The connectors must not be separated under load. First interrupt the circuit at a suitable point. Release the locking device by pressing on the ribbing of the locking hooks and pulling. Connection example: NT 10000...NT 12000...
  • Page 27 Solar Inverter will be dis- connected from the grid. In power grids with a low output and a high solar ge- nerator output, this can lead to individual Solar Inverters being switched off and then on again several times. NT 10000...NT 12000...
  • Page 28 2 AC connection A corresponding circuit breaker is recommended as a line protection element in the grid feed direction: NT 10000: 3 x 25 A NT 11000: 3 x 25 A NT 12000: 3 x 25 A with B type bracket A three-pin circuit breaker or individual fuses can be used.
  • Page 29 Tightening torque for cable sheath diameters between 13 and 20 mm: 6 to 8 Nm NOTE Make sure the line is provided with a strain relief device. When using cables with a diameter of less than 16 mm, the line must be relieved just behind the connector. NT 10000...NT 12000...

  • Page 30: Installing The Communication Equipment

    Pin assignment Ethernet Modem The connectors for the CAN interfaces CAN IN and CAN OUT and for the modem interface have the following pin assignment: CAN and modem modem Description Meaning Description Meaning N.C. >1 NT 10000...NT 12000...
  • Page 31 Solar Inverters of the PT series are delivered with a default setting of 125 kbit/s. The default setting for Solar Inverters of the NT and AT series is 500 kbit/s. Bit rate Bus lengt 100 kbit/s 650 m 125 kbit/s 500 m 250 kbit/s 250 m 500 kbit/s 100 m NT 10000...NT 12000...
  • Page 32 Network length / number of nodes / cable cross-section outside the table values 1 or several CAN bridge(s) The CAN bridge is available from Sunways. For further information please con- tact the Technical Hotline. The CAN bridge subdivides the bus into two physically independent segments.
  • Page 33 24 V DC supply is required (power consumption 1.5 W). Networking Solar Inverters via For joint monitoring of a solar system with Sunways Solar Inverters from the ol- RS485 interface der NT generation (750 V or 850 V) you can use the RS485 interface integrated in the Solar Inverters.
  • Page 34 Assignment of sensor connection Sensor connector Sensor connection designation Solar Inverter pin assignment connection designati- Pin 1 Positive-signal temperature Temp Pin 2 Positive-signal Solar irradiance Pin 3 Reference earth Pin 4 Plus connection for +5 V supply NT 10000...NT 12000...
  • Page 35 2 Indicator lamp, green NOTE The Solar Inverter is supplied by the feed phases from the AC grid. If all feed phases fail simultaneous, the alarm relay cannot respond, despite the fact that there is a fault. NT 10000...NT 12000...
  • Page 36 Installation NT 10000...NT 12000...

  • Page 37: Commissioning

    2. Disconnect the solar generator side by opening the DC load break switch (switch position 0). Commissioning The commissioning menu comes up automatically when the Solar Inverter is connected for the first time. It helps you make the standard settings. NT 10000...NT 12000...
  • Page 38 Confirm the selected language with Select the country in the selection menu with Confirm the country of installation with NOTE The Solar Inverter only starts feeding current into the grid once the country has been selected. NT 10000...NT 12000...
  • Page 39 Your password is "Solar". This password has 5 characters. The system automati- cally appends three *, so that the password becomes "Solar***". 7. Completion of commissioning. Confirm overview with Commissioning several net- worked units System with several Solar In- Master Slaves verters NT 10000...NT 12000...
  • Page 40 Switch on all units following installation. Start commissioning with the unit you selected as the main unit. Compatibility between Sun- The following table provides an overview of which devices can be networked ways Solar Inverters with each other and how, and lists any special considerations: NT 10000...NT 12000...
  • Page 41 Sunways Portal Commissioning main unit 1. The commissioning process starts with setting of the display language. Se- lect the language in selection menu with Confirm the selected language with 2. Select the country in the selection menu with NT 10000...NT 12000...
  • Page 42 Units = total number of units found in the CAN network In network = number of configured units After the main unit has found all connected secondary unit, these must be configured before commissioning of the main unit is continued. NT 10000...NT 12000...
  • Page 43 ID with The main unit assigns a free ID to the secondary unit. Confirm the ID within 5 seconds with Request further IDs with Confirm the CAN ID with within 5 seconds. NT 10000...NT 12000...
  • Page 44 Commissioning NOTE The data for the individual secondary units can be assigned in the Sunways Browser and in the menu of the main unit based on the IDs. The CAN-ID 1 is automatically assigned to the main unit. This means the secon- dary units can be assigned IDs from 2 to 99.

  • Page 45: Operation

    Scroll down button Select menu item button Back one menu level button Select a menu item and confirm your entry button Quit Operating LED The combined red/green LED indicates the status of the Solar Inverter:  LED off NT 10000...NT 12000...
  • Page 46 The dynamic web interface is being updated MenSUpd. The menu structure is being updated MenFUpd. The menu error texts are being updated WifSUpd. The web interface status texts are being updated RWP.Upd. The read/write parameters are being updated NT 10000...NT 12000...
  • Page 47 Das Passwort ist 8-stellig. Das Passwort kann im Menüpunkt «Einstellungen – Anmeldung» eingegeben werden. NOTE Erfolgt nach der Eingabe des Passwortes keine Eingabe über die Tastatur, ist nach etwa 5 Minuten eine erneute Eingabe des Passwortes erforderlich. NT 10000...NT 12000...
  • Page 48 Menu structure You can access all screens on the Solar Inverter with the menu. The menu is ope- ned by pressing the left arrow key from the standard screen. NT 10000...NT 12000...
  • Page 49  *) after entering the customer password. Standard password: ******** (= 8 asterisks)  **) This is only shown if the configured country of installation is Italy. Overview of screen displays Display Description Calling Menu Instantaneous Values – Unit NT 10000...NT 12000...
  • Page 50 AC yields for the current year and the Solar inverter – Energy yield – previous year Events – Unit Select starting data for event display Solar inverter – Events Display event list Solar inverter – Events – NT 10000...NT 12000...
  • Page 51 Solar inverter – History – DC output – AC voltage (5-min. values) Solar inverter – History – AC output AC current (5-min. values) Solar inverter – History – AC output – Maximum output Solar Inverter – History – Max. output Information – Unit NT 10000...NT 12000...
  • Page 52 Solar system – Events display Display event list for entire system Solar system – Events – Display event details (error number, Solar system – Events – – data, starting time, duration and number of occurrences per day) NT 10000...NT 12000...
  • Page 53 Selection of information Solar system – System info – Firmware Solar system – System info – Firmware Memory card Solar system – System info – Memory Device mode Solar system – System info – Mode Settings – General NT 10000...NT 12000...
  • Page 54 Settings – Network – Ethernet DHCP for the automatic IP address set- ting or enter IP address manually Network settings (Screen 2) Settings – Network – Ethernet – Only for secondary unit Settings – Network – CAN bus NT 10000...NT 12000...
  • Page 55 The fault display consists of a number and a short description. Based on the first number you can quickly recognise which area the fault has occurred in: 1: Solar generator fault 2: AC grid fault 3: Inverter fault 4: Interface/communication fault 5: Interface/communication warnings 6: Remote access warnings 9: Service fault NT 10000...NT 12000...
  • Page 56  Please note the serial number of the unit and the error number before con- tacting the Technical Hotline.  The Technical Hotline can be contacted on +49 (0) 7531 996 77-577 between 7.30 am and 6 pm CET during weekdays. NT 10000...NT 12000...
  • Page 57 Check the design of your grid connec- value drops below the maximum permis- tion (energy meter) or the grid feed sible limit. point to your power supply company (PSC).  Ask your power supply company (PSC) about grid stability and design. NT 10000...NT 12000...
  • Page 58 (energy meter) or the grid feed point to your power supply company (PSC).  224:AC P. fail Your Solar Inverter has detected a mains Ask your power supply company power failure. (PSC) about grid stability and design. NT 10000...NT 12000...
  • Page 59 If the error still occurs, please contact the ring unit before it is switched on. An error Technical Hotline. The phone number is was detected during this check. provided on the back of the manual. NT 10000...NT 12000...
  • Page 60 Technical Hotline. The phone number is provided on the back of the manual.  403:CAN user Communication error with CAN user. Check whether an error has occurred in the secondary CAN unit. Restart the secondary unit and main unit if necessary. NT 10000...NT 12000...
  • Page 61 Check the configuration via the Sun- ways Browser. 502:Temp. No sensor found on sensor channel 2 If a sensor is connected:  (Warning) (Temperature). Check the sensor connection. If no sensor is connected:  Check the configuration via the Sun- ways Browser. NT 10000...NT 12000...
  • Page 62 508:DNS fehl. DNS has failed Communication fault between the integ- (Warning) rated web server and an Internet browser in conjunction with the Sunways browser. 509:HTTP con. HTTP client connection has failed These warnings are non-critical and can (Warning) be ignored if they only occur occasionally.

  • Page 63: System Monitoring

     Via the Sunways Portal connection the NT Solar Inverter can send the opera- ting data of your solar system to the Sunways Portal on a daily basis without additional hardware. In this way you can monitor your yields via the Internet from wherever you are.
  • Page 64  Connection via Internet, e.g. via a DSL connection for the Solar Inverter (see section Remote access via a DSL router)  Connection via a Sunways modem (see section Connection via a Sunways mo- dem) Integrated data logger The data logger integrated in the NT Solar Inverter stores the operating data of your solar system.
  • Page 65 If required you can assign your own IP address for the Solar Inverter via the Set- tings menu. 1. Open the menu Settings – Login. 2. Enter the default password (********, i.e. 8 asterisks) or the password you have assigned. NT 10000...NT 12000...
  • Page 66 Enter the IP address of your PC in the gateway. Confirm with After the network configuration is completed you can start the Sunways Brow- ser by entering the IP address of the Solar Inverter in the address line of your web browser.
  • Page 67 6. Now assign an unused IP address 192.168.30.XXX and enter the subnet mask 255.255.255.0. 7. Click on OK to confirm your entries. 8. In the Status menu item you can check the correctness of your entries and the status of your connection. NT 10000...NT 12000...
  • Page 68 Operation After the network configuration is completed you can start the Sunways Brow- ser by entering the IP address of the Solar Inverter in the address line of your web browser. For more complex network configurations please contact your network admi- nistrator.
  • Page 69 A modem connection can be used to bridge longer distances during system mo- Modem nitoring and configuration. The Sunways Modem is connected to the Solar In- verter for this purpose. The Sunways Modem is available as an analog, ISDN and GSM type. modem modem max.
  • Page 70 The following modem combinations are permitted: ISDN – ISDN analog – analog analog – GSM GSM – analog GSM – GSM Connecting a Sunways Modem INVERTER MODEM 1 Telephone connection 3 LVDS for NT, AT and PT Solar Inver- 2 RS232 interface...
  • Page 71 Continue. 5. Enter a connection name and confirm your entry with Continue. 6. Specify the phone number of your Sunways Solar Inverter. When entering the telephone number, you may need to include one or more digits to connect to an outside line. (An outside line is usually obtai- ned by placing a "0"...
  • Page 72 The password matches the customer password on the unit. 13. The connection is established with Dial. After the connection is established you can start the Sunways Browser by entering the IP address of the Solar Inverter in the address line of your web browser.

  • Page 73: Sunways Browser

    Sunways Browser General information The Sunways Browser can be run via a standard Internet browser, e.g. Mozilla Firefox. One of the three possible connections between a PC and the Solar In- verter is required for this purpose (see section 6 System monitoring).
  • Page 74 Operation Access protection The Sunways Browser is provided with password protection so that unautho- rised persons cannot access your Solar Inverter. The following user data are set in the delivered state: User: customer Password: ******** NOTE  It is recommended that you change this password to an 8-character/digit password.
  • Page 75 Internet connection is available, you can automatically synchronise the time of the Solar Inverter with a time server with the NTP but- ton. As an alternative you can also transmit the PC time to the Solar Inverter. NT 10000...NT 12000...
  • Page 76 The upper screen section shows the current software versions. If a new ver- sion is made available on our website (http://www.sunways.eu/en) you can download this file and load it via the Sunways Browser. Select the file on your hard disk in the File field with the Browse… button and confirm the file dialogue with OK.
  • Page 77 Modem settings If you use a modem for the Internet connection, the modem must be set up ac- cordingly via the Sunways Browser. Therefore, first establish a connection bet- ween your PC and the Solar Inverter (see section Direct Ethernet connection).
  • Page 78 NOTE Please note!!! With time-based tariffs (e.g. modem connection with GSM or analog) this function can result in very high phone charges! Function buttons Use the Send option to save the settings in the Solar Inverter. NT 10000...NT 12000...
  • Page 79 E-mail settings In order for the Solar Inverter to be able to send e-mails, the e-mail settings must be stored via the Sunways Browser. The settings can be accessed via Set- tings – Network in section E-mail Settings. NOTE Requirements: ...
  • Page 80  The main unit must be connected to the Internet via a network or modem.  When dialling in via modem, the correct dial-up settings must be stored (see Internet dial-up via modem).  Correct e-mail settings must be stored in the Sunways Browser (see E-mail settings). Alerting settings The alerting settings can be accessed with the button Settings –...
  • Page 81 (e.g. additional unit), then the change is automatically reported to the Sunways Portal. A basis access for the Sunways Portal for displaying the yield data is available to every Sunways customer free of charge. Expanded functions, e.g. the set- point-actual comparison in the Sunways Portal, can also be purchased for a fee.
  • Page 82 Solar Inverter. It can take up to 4 minutes before the Solar Inverter displays the system ID. Portal E-mail Preset for the Sunways Portal. Here as well, you can enter another address if you want to evaluate the operating data yourself. E-mail interval Select the interval at which the e-mails are to be sent.
  • Page 83 Use the Send option to save the settings in the Solar Inverter. To view your system data in the Sunways Portal you need a user account. This will be issued to you if you follow the link in the confirmation e-mail and fill out the registration form.
  • Page 84 Operation NT 10000...NT 12000...

  • Page 85: A Appendix

    Sunways AG.  Sunways AG shall assume no guarantee for damage caused by faulty or lost data, due to incorrect operation or the malfunction of the Solar Inverter, the software, additional devices or PCs.
  • Page 86 NT 10000...NT 12000...
  • Page 87 NT 10000...NT 12000...
  • Page 88 Sunways AG Photovoltaic Technology Macairestraße 3 - 5 D - 78467 Konstanz Phone +49 (0)7531 996 77 -0 Fax +49 (0)7531 996 77 -444 E-Mail info@sunways.de www.sunways.de Technical Hotline Germany: +49 (0)7531 996 77-577 Spain: +34 93 665 20-40...

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