Download
Share
Print this page
Sunways NT 6000 User Manual
  1. Manuals
  2. Brands
  3. Sunways Manuals
  4. Inverter
  5. NT 2600
  6. User manual

Sunways NT 6000 User Manual

Solar inverters nt 6000; nt 5000; nt 4000; nt 2600
Hide thumbs Also See for NT 6000:

Advertisement

Quick Links

User Manual for
Sunways Solar Inverters NT 6000, NT 5000,
NT 4000 and NT 2600
200

Advertisement

loading

Related Manuals for Sunways NT 6000

Summary of Contents for Sunways NT 6000

  • Page 1 MANUAL User Manual for Sunways Solar Inverters NT 6000, NT 5000, NT 4000 and NT 2600...
  • Page 2 SOLAR INVERTERS User Manual for Sunways Solar Inverters NT 6000, NT 5000, NT 4000 and NT 2600...

  • Page 3: Table Of Contents

    List of Contents General information Safety information General safety information Opening the unit Sunways Solar Inverters NT Scope of supply 6000, NT 5000, NT 4000 and Inspecting the delivery NT 2600 Integration into the PV system Design of the PV generator...

  • Page 4: General Information

    Commissioning Switching the solar inverter on and off Configurations Information on operation Monitoring and diagnosis Display Data memory Sunways NT Monitor software General information Initialising the remote modem Connection and circuitry options Configuring the interface cables Data acquisition Operation Fault indications...
  • Page 5 Warranty terms and conditions Warranty terms and conditions Appendix Subject and abbreviation index Designation and description Function and information index Functional principle and explanations Block diagram of the Solar Inverter in the PV system Technical data Tyco Solarlok connectors Conformity and safety declarations General exclusion of liability Rights Registered trademarks...
  • Page 6 1.0 General information...

  • Page 7: Safety Information

    Safety information General safety information The User Manual contains safety hints. All safety hints contained in this section These are identified by a triangle with an and throughout the User Manual must exclamation mark. be complied with at all times to guarantee the user's safety.
  • Page 8 Opening the unit Before opening the cabinet, the unit must always be disconnected from the grid and from the PV generator. The unit continues to conduct a hazardous voltage internally and at the connection sockets for ca. five minutes after disconnec- ting from the PV generator.

  • Page 9: Sunways Solar Inverters Nt

    The condition of our products is checked Scope of supply prior to delivery. Although our products are carefully packed in recyclable packing, · Sunways Solar Inverter in the NT series transportation damages can still occur. · Installation frame These are generally the transport compa- ·...
  • Page 10 This can result Sunways NT Sundim design program for in heavy losses in yield. the PV generator may be helpful. Sunways NT Sundim is available on the enclosed CD or from our website, www.sunways.de. Please take account of the following points before planning your system: ·...
  • Page 11 Standard components of a PV system Depending on the recommendations of your electrician, your PV system will consist of the following components: Standard components of the PV system (1) PV generator switch (2) Irradiation sensor with integrated temperature sensor (3) Mains fuse (4) Energy meter GRID PV generator switch:...
  • Page 12 Protection concept In the event of a fault, the conversion is blocked immediately and the grid relay is The following parameters are monitored isolated. An alarm relay with floating continuously and in parallel by the micro- output is activated (not for Fault 6). controller and displayed on the screen: In addition, the following protective devices are provided on both grid and...

  • Page 13: Information On Installation

    Information on installation...

  • Page 14: Safety Information

    Electrical safety Safety information Before opening the cabinet, the solar inverter must be disconnected from the grid and from the PV generator. The solar inverter conducts a hazardous voltage internally and at the connectors of the PV generator for approx. five minutes after isolation from the PV generator and the grid.
  • Page 15 Information on cleaning Before cleaning, disconnect the system from the power grid by opening the grid breaker (main fuse) and open the DC switch on the PV generator, in order to exclude the danger of electric shocks. Use a soft, dry cloth to clean the system. Never use corrosive, solvent-containing or abrasive cleaners or polishes.

  • Page 16: Basic Configuration

    Basic configuration Switch position «410 V» Fixed voltage setting Switch position Your Sunways solar inverter has a precise «530 V» MPP control. The control operates in fixed voltage mode beneath a feed-in capacity of 200 watts. This prevents unnecessary MPP search behaviour. In order to minimi-...
  • Page 17 Country selection Please note that a different device confi- guration is required to operate Sunways Solar Inverters in different countries. You can make the relevant setting with DIP switch S300 beneath the display panel. (Fig.) DIP switch S300 for country selection...

  • Page 18: Installation

    Installation The solar inverter must be installed by a trained, qualified electrician. A special tool is necessary for installation. Please read this chapter very carefully. Warm 150 mm 150 mm (Fig.) Minimum distances that must be kept clear around the solar Cool air inverter...
  • Page 19 Requirements on the place of installation If installing the solar inverter in a switch box, ensure adequate heat dissipation. · Mechanical bearing capacity During installation please bear in mind The ambient temperature must not fall that the solar inverter weighs 26 kg. The below or exceed –25°C or +40°C.
  • Page 20 Electrical connection and cable entry If the solar inverter is fixed to the installa- tion frame, the electrical connection can be led through. The unit may only be ope- ned by a qualified electrician. The cabinet cover must first be released and removed. For installation, please observe the The SUB-D connector for the RS 232 con- instructions in the «Setup»...
  • Page 21 Grid connection We recommend a 3 x 25 A safety cutout for devices NT 6000, NT 5000 and NT 4000 and a 3 x 16 A safety cutout for device NT 2600 as grid protection element in the grid feed-in direction. No consumption...
  • Page 22 If several solar inverters are operated in · Check that there is no voltage before parallel, the feed-in phase L1 of the unit introducing the supply main into the must be evenly distributed over grid pha- unit. ses L1, L2 and L3 (see Fig. page 107). ·...
  • Page 23 · Preparation PV generator connection Execute the DC cabling according to your electrician's system dimensioning. Check each PV string for correct functioning by performing a no-load voltage current and short-circuit current measurement. Check the rating plate on the solar inver- ter to ensure that the inverter is appro- ved for the maximum PV generator vol- tage.
  • Page 24 · Connection The PV generator is connected via the externally accessible, shock-proof Tyco Solarlok connectors, which are enclosed with the delivery. The Tyco Solarlok con- nectors are designed for a cable cross- section of 4 mm and must be crimped (see chapter 4.2 «Tyco Solarlok connec- tion»).
  • Page 25 Important information · The DC voltage can be up to 850 V. The unit may only be opened by a qualified electrician! · Always disconnect the PV generator side first by opening the PV generator switch, · The direct PV generator voltage is availa- and then the grid connection by isolating ble internally after connecting the PV the relevant mains fuse!
  • Page 26 Communication connections Via the communication connections (inter- faces), operating data can be retrieved from the data memory with an external computer and specific operating settings (Fig.) SUB-D connector for RS 232 connec- made. Several communication interfaces tion are available: RS 232 and RS 485. Attention: RS 485+ and RS 485- are dupli- The standard communication interface is cated.
  • Page 27 Note chapter 2.1 «Safety information»! Please note chapter 3.2 «Sunways NT The necessary cable terminal block (X400) Monitor software». with the RS 485+, RS 485+, RS 485- and RS 485- connections is located in the lower section of the board (see fig.
  • Page 28 · Connection Remove the housing of the solar inverter before connecting the status signal relay. Sunways Solar Inverters are equipped as Note chapter 2.1 «Safety information»! standard with an alarm relay with floating output. The relay is designed as a make...
  • Page 29 The terminals are designed for a cable cross-section of 0.2 mm to 1.5 mm Please also take account of the power consumption of the connected signal input when dimensioning the cross-sec- (Fig.) Connection of the alarm relay tion! Important information: The alarm relay is designed for 230 V / 2 A.
  • Page 30 (Fig.) Connection block for the irradiation sensor For demonstration purposes, the irradia- tion sensor and the corresponding data can be used to show how a PV system functions. In conjunction with the Sunways NT Monitor visualisation soft- ware, the stored data can be displayed.
  • Page 31 Configuration of the cable terminal block: Temperature sensor measuring signal: Temp Solar radiation measuring signal: Solar Positive supply, 5V: Supply, GND: V – Using a small screwdriver, press the orange terminal. The terminal will open. Insert the cable stripped to a minimum of 11 mm into the respective terminal hole.
  • Page 32 Commissioning Switching the solar inverter on and off Connect the solar inverter internally via · Switching on the ground cable (yellow-green) to the When the solar inverter is mechanically cabinet cover. See also Setup, step 7. installed and connected to the electrical cables, the unit can be commissioned as Put the cabinet cover on.
  • Page 33 · Switching off Disconnect the PV generator side first by opening the PV generator switch, and then the grid connection by isolating the relevant mains fuse. Open the main switch for the PV DC voltage and the mains fuse as described If your PV system does not have a PV above.
  • Page 34 (only to be used The solar inverter is basically configured in the event of replacement) must be with the Sunways NT Monitor program, configured directly on the unit. If you wish using a laptop or PC (see enclosed CD).
  • Page 35 This is the only exception for which work · Address of the solar inverter: address may be performed on the open unit under «1» is stored in the memory at the voltage! factory. In the case of several solar inver- ters, consecutive numbering must be set.
  • Page 36 Use insulating material to press the keys display on the screen, you can reach the (e.g. a plastic rod). Avoid direct contact next menu level with the D-key. The illu- with the printed circuit board, so that the strated structure facilitates settings on the electronics cannot be damaged by electro- menu levels.
  • Page 37 SOFTWARE TOTAL POWER LANGUAGE LCD CONTRAST OFFSET VERSION ENGLISH/GERMAN/ CONTRAST k Wh ITALIAN/FRENCH/ SPANISH INCREMENT (100 OR 1)
  • Page 38 Information on operation...
  • Page 39 3.1 Monitoring and diagnosis Display The dot matrix LCD display is integrated into the cabinet of the solar inverter so that it is easily visible. The display consists of 16 characters and 2 lines. The top line 1 shows the current feed-in power of the solar inverter.
  • Page 40 Data memory · Storage of accumulated daily work in Wh and of 40 daily values in the recircu- Your solar inverter is equipped with an lating storage and successive overwriting internal data memory as standard. This of values data memory provides you with a detailed ·...
  • Page 41 All measured values can be transferred These are included in the accessories. to a PC and visualised with the Sunways NT Monitor software. Online, fault, minute, Up to 99 solar inverters can be monitored daily and monthly values are available.
  • Page 42 PC! The addresses of the solar inverter must · The remote modem is now initialised be input with the Sunways NT Monitor so that it automatically accepts a connec- software. Alternatively, see chapter 2.4 tion after two rings and connects at «Commissioning, configurations».
  • Page 43 Connection and circuitry options (1) Individual PV system with maximum distance of 25 m between solar inverter an PC RS 232 Connection to the PC via RS 232 SUB-D connector An individual solar inverter can be connected directly to the PC via the external RS 232 interface on the bottom of the device.
  • Page 44 (2) Individual PV system with modem for remote inquiry RS 232 RS 232 MODEM MODEM Connection to modem via RS 232 SUB-D connector When connecting an individual solar inverter, the remote modem is connected directly to an external interface converter (IC) RS 232 at the bottom of the solar inverter.
  • Page 45 (3) PV system for 2 to 99 solar inverters with interface converter (IC) RS 485 / RS 232 RS 485 RS 232 Connection to PC via RS 485 / RS 232 In order to connect several solar inverters to a PC, the RS 485 signal is looped through from inverter to inverter, until it is led into the inter- face converter.
  • Page 46 The signal is looped through all units. Two The interface converter generates an «RS 485+» terminals and two «RS 485-» RS 232 signal. It is connected to the PC with terminals are located on each terminal the standard modem cable type D. Jumper block.
  • Page 47 Connection to modem via RS 485 / RS 232 In order to connect several solar inverters to the remote monitoring, the interface converter is connected directly to a modem via RS 232. Jumper JP400 is connected to the solar inverter that is furthest away from the interface conver- ter.
  • Page 48 Configuring the interface cables Cable type 1 9-pole female Female connector to connector to solar inverter PC, 9-pole Cable type 2 (Provided in the scope of supply of the «Acer» modem) Connector 9-pole female to modem, connector to 9-pole solar inverter...
  • Page 49 Connector Connector to to modem, interface con- 9-pole verter Jumper JP400 in the Sunways Solar Inverter Please check the correct position of jum- per JP400, depending on your selected communication circuit. This jumper is located above the RS 485 communication connection in the lower section of the board.
  • Page 50 If required, detailed information on · Daily values Sunways NT Monitor can be found under Date and daily energy in the solar inverter. the «Help» menu item in the program software.
  • Page 51 Operation solar inverter in the top section of the right window half and the new number After installing the Sunways NT Monitor beneath it. The numbering is changed software on your PC, you can start the by clicking on the «Make change» key.
  • Page 52 «Monthly values» in the same way, by clicking on the respective keys. Exit the window with the «Close» key. You will return to the «Settings» menu. · Help menu You will find further helpful information on operating the Sunways NT Monitor software in the "Help" menu.
  • Page 53 Fault indications Fault 5 · Overheating Your solar inverter operates fully automati- Your solar inverter is designed for an cally and maintenance-free. However, ambient temperature of up to +40°C. should malfunctions occur due to external or internal causes, these will be indicated When the maximum upper temperature in the first line of the display.
  • Page 54 Fault 7 system and the solar inverter has subse- quently disconnected from the grid. The AFI · Grid overvoltage, 1-phase residual current (insulation error, ground Your solar inverter constantly monitors the fault) is displayed if a residual current has voltage level of the feed-in phase. If the occurred in the PV system and the solar level exceeds the maximum permissible inverter has subsequently disconnected...
  • Page 55 increased DC component is detected in the Fault 14 fed-in current. The solar inverter only attempts to feed again after a reset (the · Surge error next day). Your solar inverter constantly monitors the quality of the AC grid. In the event of high Fault 12 voltage peaks in the grid, the solar inver- ter stops the feed and attempts to restart.
  • Page 56 Two LEDs, D302 and D304, are located on the control board in the solar inverter. These describe the current status of the solar inverter: illuminated Solar inverter operating in normal mode LED green LED red flashing Solar inverter has detected an error LED green flashing LED red...
  • Page 57 Fault diagnosis Fault display Causes Remedies Fault 3 The maximum DC voltage Check the dimensioning of your DC overvoltage has been exceeded. PV generator. Too many modules are Reduce the number of modules and connected in series. re-commission the system. Fault 4 The grid frequency is out- Ask your electricity board about grid...
  • Page 58 Fault display Causes Remedies Fault 6 The grid voltage of the fed- The solar inverter monitors the limits of Grid under- in phase is too low. the minimum and maximum permissible voltage, 3-phase grid voltage. If the values fall 1-phase below these limits (U = 184 V), the solar inverter switches off and only...
  • Page 59 Fault display Causes Remedies the limits very briefly. The cable cross-section in Ask your electricity board about grid the AC feed line to the solar stability and design. inverter is too small. Your solar system feeds into Check the format of your grid connection a spur line, which is inade- (energy counter) and the grid feed-in quately dimensioned.
  • Page 60 Fault display Causes Remedies Fault 9 The AFI error is displayed if Check the format of your grid connection AFI residual cur- a residual current has occur- (energy counter) and the grid feed-in rent red in the PV system and point to your electricity board.
  • Page 61 Fault display Causes Remedies Fault 13 The grid voltage is too high. The solar inverter monitors the limits of Grid overvoltage, the minimum and maximum permissible 3-phase 3-phase grid voltage. If the values exceed below these limits (U = 264 V), the solar inverter switches off and only restarts automatically when the voltage value has returned within the limits.
  • Page 62 Fault display Causes Remedies The cable cross-section in Ask your electricity board about grid the AC feed line to the solar stability and design. inverter is too small. Your PV system feeds Check the format of your grid connection into a stub line which is too (energy counter) and the grid feed-in weakly dimensioned.
  • Page 63 Remedies Incorrect time, The battery is empty. Have the battery (button cell) replaced date are stored by an expert. The battery is located on in Sunways NT the LCD display board. Monitor with incorrect time data No data The display contrast is poor...
  • Page 64 Please complete the enclosed war- defect will be eliminated will be specified. ranty card and return it to Sunways AG. Please keep the original invoice with the Please preserve the original packing, date of purchase in a safe place.
  • Page 65 · Exclusion of liability Warranty claims and liability are excluded for direct or indirect damages due to: · Interventions, modifications or attempted repairs · Inadequate ventilation · Force majeure (e.g. lightning strike, water damage, vandalism, fire, overvoltage, thunderstorms etc.) · Inappropriate transport ·...
  • Page 66 Appendix...
  • Page 67 Subject and abbreviation index Designation Description Alternating Current: grid current AFI, RCD Operator protection in the event of residual currents AFI: Universal Sensitive Residual Current RCD: Residual Current Device Direct Current PV generator side of the solar inverter Electromagnetic Compatibility Electricity Board Current used to operate the solar inverter Identification of class of protection against external...
  • Page 68 Designation Description Grid impedance AC resistance of grid, impedance DC and AC rated power: Power which the inverters can permanently consume (DC) or emit (AC). Temperature sensor Photovoltaic PV generator switch DC load break switch to cut off the PV generator from the solar inverter Voltage: specifies the normal operating voltage at which the solar inverter is operated...
  • Page 69 Sunways Solar Inverters achieve a peak logy. The switching frequency (PWM) is efficiency during conversion. The concept 16 kHz. of the Sunways Solar Inverter is completed by a rapid MPP control, which maintains the MPP point with a very high adaptation efficiency.
  • Page 70 Sunways solar inverter complies with system. The system can be visualised via standard DIN V VDE V 0126-1-1. the Sunways NT Monitor software. In addition, the AFI of Solar Inverters NT 6000, NT 5000, NT 4000 and NT 2600 has an absolutely time-independent...
  • Page 71 effective value cutoff threshold. The solar inverter is switched off and isolated from the grid in the case of an error current of ≥ 300 mA. · MPP control The solar inverter has a rapid MPP control, which maintains the MPP point with a very high adaptation efficiency.
  • Page 72 Block diagram of the solar inverter in the PV system ≈ PV GENERATOR DC FILTER CAPACITIVE STORAGE ® HERIC TEMP CONTROLLER CONTROL DIFFERER. MEASUREMENT DATAPRO RADIATION TEMPERATURE DATA IRRADIATION SENSOR AND TEMPERATURE SENSOR (OPT.) RS 232 MICRO- RS 485 CONTROLLER...
  • Page 73 CURRENT IMPRESSION AC FILTER GRID PROTECTION RESIDUAL CURRENT INDUCTOR CESSING DIFFERER. MEASUREMENT GRID LCD-DISPLAY KEYBOARD L 1, N, L 2, L 3, (2 LINES)
  • Page 74 Technical data Solar Inverter NT 2600 Model 1500 to 2750 W Recommended solar generator power 2300 W Rated input power Stand-by consumption < 0,15 W Night-time consumption 15 W AC energy generated from 400 V Nominal voltage 350 ≤ U ≤...
  • Page 75 Solar Inverter NT 4000 Solar Inverter NT 5000 Solar Inverter NT 6000 2000 to 4125 W 3000 to 4800 W 4000 to 6250 W 3400 W 4300 W 5200 W < 0,15 W < 0,15 W < 0,15 W 15 W...
  • Page 76 Grid voltage monitoring threephase Earth fault protection RCD (universally sensitive) Isolation, Frequency and DC-Current Monitoring integrated Output characteristic current source Grid connection fuse layout 16 A Required number of grid connection phases Number of feed-in phases (230 V single-phase) Data interfaces external RS 232, RS 485, status signal relay Sensor interfaces...
  • Page 77 threephase threephase threephase RCD (universally sensitive) RCD (universally sensitive) RCD (universally sensitive) integrated integrated integrated current source current source current source 25 A 25 A 25 A external RS 232, RS 485, external RS 232, RS 485, external RS 232, RS 485, status signal relay status signal relay status signal relay...
  • Page 78 Tyco Solarlok connector The Tyco Solarlok connectors are only approved for connection to permanently laid cables! (Fig.) Manual crimping tool for assembly of Tyco Solarlok connectors They must not be disconnected under load! The circuit must be interrupted at a sui- table point! The cables must be provided with a suitable adhesive label close to the Tyco Solarlok connector!
  • Page 79 Any type of soiling (dust, humidity etc.) The following sequence must be observed will negatively affect the operation of the for assembly of Tyco Solarlok connectors: system over the desired period of use. This applies particularly for the usability of the 1.
  • Page 80 EG guidelines 73/23/EWG and 93/68/EWG: Solar Inverter Product Sunways AG, Photovoltaic Technology Manufacture Macairestr. 3 - 5, D - 78467 Konstanz Sunways NT 6000, NT 5000, NT 4000, NT 2600 Type 2005-05-02 From date of manufacture Standard EN 50178...
  • Page 81 These Sunways products are intended for installation into a PV-System. The test results are not applicable to every installed state in every PV-System. This declaration therefore does not guarantee the EMC characteristics of the end product.
  • Page 82 Declaration of Conformity of nominal power and maximum output power of solar inverters. Solar Inverter Product Sunways AG, Photovoltaic Technology Manufacturer Macairestr. 3 - 5, D - 78467 Konstanz NT 6000 NT 5000 NT 4000 NT 2600 Type Sunways 4,6 kVA...
  • Page 83 Explanation The NT series of solar inverters from Sunways are monophase inverters that are not capable of isolated operation. They are equipped with a voltage monitor and three phase monitoring of the line voltage for undervoltage in accordance with section 2.4.2 of the VDEW Guideline (4th edition 2001).
  • Page 84 Sunways AG and · Sunways AG reserves the right to modify the Sunways licensors. the hardware and software features described here at any time, without prior notice.
  • Page 86 Sunways AG Photovoltaic Technology Macairestraße 3 - 5 D - 7 8 4 6 7 Konstanz Telefon + 49 7531 996770 Fax + 49 7531 996774 4 4 E-Mail info @ sunways.de www. sunways.de Technische Hotline +49 7531 99677577...