200 User Manual for Sunways Solar Inverter NT 10000
Contents
1. Nominal output continuous operation Pn Maximum output Pp Nominal frequency Grid voltage Grid voltage tolerance range Nominal current per phase Max current per phase Distortion factor with Pn Reactive power factor cos phi Current waveform Solar Inverter NT 10000 7000 12000 Wp 11000 W 20 W lt 0 3 W 7 W 400 V 350 lt UMPP lt 750 V 850 V 420 V 340 V 10 A per MPP multitracking inlet 9 A per MPP multitracking inlet 1 per MPP multitracking inlet 3 altogether 96 4 percent with ventilator operation 95 9 percent with ventilator operation yes 10000 W 10000 W 50 Hz 400 V 20 to 15 percent 14 5 A 18 2 A lt 3 percent approx 1 sine 158 Grid voltage monitoring Earth fault monitoring Insulation monitoring Frequency monitoring DC monitoring Outlet characteristics Grid connection fuse rating Required number of phases per grid connection Data interfaces Sensor interfaces Display Level of protection against environmental factors Max relative air humidity Cooling Ambient temperature Celsius Dimensions height x width x depth Weight Subjekt to technical changes 159 Three phase according to E DIN VDE 0126 1 1 AFI universal sensitive according to E DIN VDE 0126 1 1 Yes according to E DIN VDE 0126 1 1 Yes according to E DIN VDE 0126 1 1 Yes according to E DIN VDE 0126 1 1 Current source 3x25A 3 3 Number of injection phases 230 V s2. sible grid voltage limits in 3 phases If the voltage drops below the lower limit Umin 184 V the Solar Inverter will automatically switch off and will only restart when the voltage value rises above the lower limit again The shutdown can already be triggered if the voltage drops below the lower limit for a short time The AFI fault is flagged if The entire PV system must be checked fault current has penetrated for insulation faults the PV system and the Solar Inverter has subsequently disconnected from the grid 147 Error Errors 020 to 022 Insulation fault Errors 023 to 025 DC injection Error 026 Isolated opera tion Causes During start up the Solar Inverter has detected an insulation fault in the PV system The Solar Inverter has detec ted a DC share gt 1 A in the grid current Failure of one or more of the grid phases L1 L2 or L3 The position of the indivi dual phase conductors in relation to each other has moved beyond the admis sible tolerances 148 Remedies Check your PV system for insulation faults Restart the Solar Inverter Should the fault still occur please call the technical hotline The phone number is on the back of the user manual Check the grid phases L1 L2 and L3 Ask your power supply company about the stability and design of the grid Error Error 027 Grid overvoltage 3 phase Errors 028 to 030 Surge fault Causes The
3. User Manual for Sunways Solar Inverter NT 10000 SOLA INVERTER User Manual for Sunways Solar Inverter NT 10000 Table of contents 1 0 2 0 General Information Installation Instructions 91 92 93 94 96 98 101 101 102 103 104 107 108 108 109 112 115 General Safety Instructions Opening the Device Scope of Delivery Integrating the Solar Inverter in the PV System Structure of NT 10000 Protection Concept Electrical Safety Mechanical Safety Cleaning Instructions Setting the Fixed Voltage Level Country Settings Installation Site Requirements Mechanical Installation Electrical Connection and Cable Entry Grid Connection Connecting the PV Generator Communication Interfaces 87 3 0 Operating Instructions 118 120 122 123 125 125 125 126 128 128 128 128 128 129 130 131 Connecting the Alarm Relay Connecting the Insolation and Temperature Sensor Starting Up and Shutting Down the Solar Inverter General Information Menu Guide Navigating with the Arrow Keys Setting Values Menu Navigation Diagram Setting the RS485 address Setting the Date Time Setting the Display Language Setting the LCD Contrast Setting the Total Yield General Information General Information General Information 88 4 0 Appendix 131 132 132 133 139 144 154 156 158 160 161 162 163 165 Modem Link Interface Cables I
4. error 012 will be flagged Grid overvoltage 1 phase Your Solar Inverter continuously monitors the voltage level of the injection phase If it rises above the maximum admissible limit value the Solar Inverter will stop the injection and only restart when the voltage value drops below the maximum admissi ble limit value If there is a grid overvolta ge on phase L2 for example error 014 will be flagged Grid undervoltage 3 phase Your Solar Inverter is equipped with an intrinsically safe 3 phase grid monitoring system that complies with E DIN VDE 0126 1 1 The voltage level of phases L1 L2 and L3 is continuously monitored If it drops below the minimum admissible limit value the Solar Inverter will stop the injection and only restart when the voltage value rises above the minimum admissible limit value 140 AFI fault current The error AFI fault current occurs if fault current has penetrated the PV system and the Solar Inverter has subsequently discon nected from the grid The earth fault is monitored on the AC and on the DC side universal current sensitive Fl If this error message occurs the entire PV system must be checked for insulation faults The func tioning method complies with E DIN VDE 0126 1 1 In case of fault current at inlet 1 of the PV generator for example error 017 will be flagged Insulation faults Prior to start up your Solar Inverter always checks the PV system for an earth
5. water damage vandalism fire overvoltage storm etc inappropriate transportation non compliance with applicable regula tions or wrong installation commissio ning leakage of overvoltage of the varistors on the DC side at the PV generator Any further reaching or other claims for direct or indirect damage especially claims for compensation including ones for positi ve breach of contract are excluded unless they are compellingly prescribed by law 164 4 6 General Exclusion of Liability Although the accuracy and completeness of the information in this manual have carefully been checked no liability what soever can be accepted for mistakes or omissions Sunways AG reserves the right to chan ge the hardware and software features described here at any time without prior notification Without the prior written approval of Sunways AG this manual may not be duplicated transferred copied or trans lated into other languages in any form or by any means in part or in whole Sunways AG does not accept responsibi lity for damage caused by false or lost data due to wrong operation or mal functions of the Solar Inverter the soft ware additional devices or PCs All rights reserved Sunways AG The products named in the title are protec ted by copyright and are sold under license Without a prior written permission of Sunways AG and the Sunways licensors no part of this document may be reproduced in any
6. 55014 1 EN 55011 EN 61000 3 2 EN 61000 3 3 E DIN VDE 0126 1 1 Constance 13 Sept 2005 Me te Place date Roland Burkhardt Executive Board 161 Safety Clearance Certificate of Compliance with the Directives on the Connection and Parallel Operation of In Plant Generation Systems to the Low Voltage Grid VDEW German Electricity Association 4th Edition 2001 We hereby declare that the following product complies with the provisions of the appli cable VDE German Association for Electrical Electronic amp Information Technologies directive for operation parallel to the grid In particular the directives for connection and parallel operation of in plant generation systems to the low voltage grid of the energy supply company VDEW 4th edition 2001 and DIN 0838 are complied with Product Solar Inverter Manufacturer Sunways AG Photovoltaic Technology Macairestr 3 5 D 78467 Konstanz Germany Type Sunways NT 10000 As from manufacturing date 15 September 2005 Applied standards Norm Title In Plant Generation Systems to the Low Voltage Grid Edition 4 edition 2001 Explanations Sunways Solar Inverters of series NT 10000 are Solar Inverters that inject in three phases and are not capable of isolated opera tion The NT 10000 consists of three single phase inverters with a three phase voltage monitoring system that inject into different phases These integrated inverters control their phase angle independently of each oth
7. CD ROM To supervise a solar system with several Sunways Solar Inverters we recommend using the Sunways Communicator This device lets you connect your system to the Sunways portal where you can access your system data via the Internet Moreover it can warn you of system faults by email fax or SMS If you would like to find out more infor mation about the Sunways Communicator look it up on the supplied CD ROM To learn more about the Sunways Communicator please look up the infor mation on the enclosed CD ROM Every Sunways Solar Inverter NT 10000 is equipped with the interfaces RS232 RS485 and USB by which it can be connected to your PC If the PV system and the PC are far apart the data can also be retrieved via a modem link If linked via the RS485 interface up to 99 Solar Inverters can be monitored and read out Modem Link For that purpose a modem remote modem must be connected to the Solar Inverter We recommend using the ACER surf 56 modem by ACER as a remote modem This accessory is available from your Solar Inverter dealer For further suppliers please visit our website ww sunways de Connect the second modem local modem to the RS232 interface of your PC 131 Modem types not recommended by Sunways are not necessarily guaranteed to work For the remote modem to automatically respond to an incoming call and open the line it has to be initialised with the Sunways Monitor software prior to
8. RS485 move the cover of the Solar Inverter up and fix it in position by tightening a lateral screw See chapter 2 1 Safety Instructions The required cable terminal block X6 with the connections RS485 RS485 and RS485 GND is in the lower section of the circuit board see illustr page 115 Caution There are two each of all termi nals so the ingoing and outgoing lines can be connected separately Use a twisted two wire cable for the RS485 wiring of the Solar Inverter Connect the terminals RS485 between the Solar Inverters with one core and the terminals RS485 with the other If you use a shielded twisted two wire cable you can earth the shield That will improve the communication reliability With the last Solar Inverter the jumper RS485 MATCH must be closed With all other Solar Inverters it has to be in the open position see chapter 3 6 Com munication Link Connecting a cable to the spring loaded terminal Use a small screwdriver Press the orange terminal The terminal will open Insert the at least 11 mm bare cable into the respective terminal hole Release the pressure from the screw driver The cable is now attached to the connection Make sure the cable is connected tightly 116 Jumper SPARE RS485MATCH RS485 A O connection S oo PIE s N NIN cc Interface transformer USB RS232 Release the pressure from th
9. form Registered trademark Sunways NT 10000 and the Sunways logo are registered trademarks of Sunways AG Constance Germany HERIC is a registered trademark of Fraunhofer Gesellschaft Munich Germany 165 Sunways AG Photovoltaic Technology MacairestraBe 3 5 D 78467 Konst Telefon 49 7531 99677 Fax 49 7531 99677444 E Mail info sunways de www sunways de Technische Hotline 49 7531 99677577 Photovoltaic Technology 9 1 36 0 0 Version 11 05
10. instal lation For this please also observe the software instructions Interface Cables Depending on the type of link different types of interface cables are needed They are available from your Solar Inverter dea ler For further suppliers please visit our website ww sunways de Interface Transformer If you wish to read out the Solar Inverter data with your PC via the RS485 interface you need an interface transformer to transform the RS485 signals into PC compa tible RS232 signals We recommend using products made by ICP Germany to ensure a reliable data transfer To connect the interface transformer to a COM port RS232 of your PC use the l 7520 model to connect it to a USB port of your PC use the l 7561 model This accessory is available from your Solar Inverter dealer For further suppliers plea se visit our website ww sunways de To set up the RS485 communication bet ween the Solar Inverters properly the RS485 addresses have to be set consecuti vely starting with address 01 see chapter Setting the RS485 Address 132 Linking and Interconnecting Possibilities Depending on the distance to be overcome and the number of Solar Inverters there are the following linking possibilities Type of Link Sunways Distance PC not more than Solar System with 1 Solar Inverter Connection of the PC via Solar System with up to 99 Solar Inverters cross linked via RS485 Con
11. lower ones are NEGATIVE Illustr PV generator connection via Tyco Solarlok connectors Important Information The DC voltage can reach up to 850 V The device may only be opened by a qualified electrician As soon as the PV generator has been connected to the Solar Inverter by means of the DC connectors and the PV genera tor has been switched on the PV genera tor voltage is applied internally Please note that the inlet capacitors are still live even after the PV generator has been switched off or the PV generator connector has been pulled out After the AC and DC sides have been isolated the Solar Inverter remains live for up to approximately five minutes Therefore wait at least five minutes for the internal voltage to discharge Prior to working on the Solar Inverter always 113 check the residual DC voltage with a volt meter Then you may work on the termi nals See chapter 2 1 Always disconnect the PV generator side first by opening the PV generator switch then interrupt the grid connection by iso lating switching off the corresponding grid fuse Never disconnect the PV generator by pulling out the Tyco Solarlok connectors under load Otherwise a powerful electric arc might damage the connectors The damaged connectors then have to be replaced If your PV system does not have a PV generator switch interrupt the grid con nection by isolating switching off the correspo
12. will be Therefore make sure your PV generator has sufficient back ventilation when you install it Check your PV generator for contami nation approximately every three years Contamination mostly occurs on the lower edge of the module it forms a veil that is not even washed off by heavy rain A loss of yield can be pre vented by cleaning the modules with a wet cloth or a brush Make sure none of the modules or solar cells of your system are in the shade That may lead to a significant loss of yield The NT 10000 has three internal energy units that are supplied by three inde pendent PV generators The NT 10000 is based on the MPP multitracking prin ciple i e each inlet has its own MPP controller 94 Standard Components of a PV System Depending on the recommendations of your PV planner your PV system is made up of the following components Standard components of the PV system 1 PV generator switch 2 Insolation sensor with integrated temperature probe 3 Grid fuse 4 Power meter co Lu 4 ul gt The PV generator switch is designed as a Grid connection DC switch disconnector and is made for The NT 10000 is connected to the grid in disconnecting the PV generator from the three phases Each phase is internally con Solar Inverter trolled and monitored independently of Rating at least 900 V 216 A the others Since the NT 10000 is supplied by three independent PV gen
13. wrong assignment may destroy the device Alarm relais RS485 in and out DC1 DC2 DC3 irradiation sensor with integrated AC wiring loom temperature measurement L1 L2 L3 N PE USB Illustr Entry openings on the underside of the device 109 Three phase grid connection PEN L3 L2 L1 25A Always use sufficiently dimensioned cable Inverters may repeatedly switch on and off cross sections to prevent a significant incre ase of the grid impedance between the Carry out the following steps carefully service distribution system and the Solar Inverter The capacity of the AC terminals is Prior to inserting the power cable into 0 5 mm to 6 mm for rigid cables and 0 5 the device make sure it is de energised mm to 10 mm for flexible cables If the grid impedance is high i e due to relati vely long or thin cables the voltage at the grid terminal is increased during injection If the terminal voltage exceeds the admissi ble value the Solar Inverter is disconnected from the grid If the power grid is weak and the PV output is high individual Solar 110 Insert the five core AC cable outer diameter 9 17 mm into the M32 cable gland Connect lines L1 L2 L3 N and PE to the slated printed circuit board terminal with a slotted screwdriver Pull the M32 cable gland tight so the cable cannot exert mechanical force on the printed circuit board terminal 111 Connecting the PV Generat
14. Please note that the configuration can only be changed when the Solar Inverter is ope rating Alternatively you can change these settings by using the enclosed software Sunways Monitor Setting the RS485 Address To use the communication via the RS485 bus the Solar Inverters must have consecu tive RS485 addresses That means if you link three Solar Inverters together their addresses must be 1 2 3 When delivered address 1 is preset To change the address select the menu item settings RS485 address and press the RIGHT arrow key to call up the edit mode There you can enter an address from 1 to 99 Setting the Date Time To set the time or date select the menu item change settings date time and move to the edit mode by pressing the RIGHT arrow key Setting the Display Language To set the display language select the menu item change settings lan guage Here you can choose from the languages German English Spanish French and Italian by pressing the UP DOWN arrow key Confirm your input by pressing the RIGHT arrow key Setting the LCD Contrastt If you wish to change the LCD contrast to improve the clarity of the display select the menu item change settings LCD contrast Press the RIGHT arrow key to activate the edit mode then select the desired contrast by pressing the UP DOWN arrow key To confirm your input press the RIGHT arrow key Setting the Total Y
15. ar contact 3 Slide the gland the compression sleeve and the seal onto the line 4 Engage the contact in the connector housing 5 Screw the lock nut on 6 Tightening torque for the cable gland 1 5 Nm 155 4 2 List of Special Terms and Abbreviations Designation AC AFI RCD DC EMC EB kW LCD Description Alternating Current grid current 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 Interface Converter Identification of class of protection against external environ mental influences penetration of water and mechanical foreign bodies Kilowatt Liquid Crystal Display 156 Designation MPP Grid impedance PT PV PV generator switch Description Maximum Power Point Resistance of grid impedance Temperatu re sensor Photovoltaic DC load break switch to cut off the PV generator from the solar inverter 157 DC AC 4 3 Technical Data NT 10000 Model Recommended solar generator output Nominal input Standby consumption Night consumption Injection starts from Nominal voltage UMPP voltage range No load voltage Turn on voltage Turn off voltage Maximum current Nominal current Number of inlets Maximum efficiency level European efficiency level weighted HERIC topology
16. dmissible limit value Surge fault Your Solar Inverter continuously monitors the quality of the AC grid If there are high voltage peaks in the grid the Solar Inverter will stop the injection and try to restart If such a surge impulse is detected at energy unit 3 for example error 030 will be flagged Grid overvoltage gt 10 percent If the voltage of the injecting phase has exceeded 253 V for more than ten minutes the Solar Inverter will stop the injection and only try to restart when the grid voltage is within the admissible range again The functioning method complies with E DIN VDE 0126 1 1 If the applied grid voltage at phase L2 is higher than 253 V for more than 10 minutes for example error 032 will be flagged Control fault Your Solar Inverter is equipped with a self monitored micro controller as a standard feature If a fault occurs in the control sequence the Solar Inverter will stop the injection and will only restart when the fault has been eliminated If a fault occurs in the control circuit board of the third energy unit upper energy unit for exam ple error 036 will be flagged 142 There are two D302 and D304 LEDs each on the three control circuit boards they describe the current status of the Solar Inverter a zu Illustr Operation indicator LED 143 3 8 Error Diagnosis You can look up error causes yourself in the following list Select the occur
17. e connected to permanent lines They may not be disconnected under load For this purpose interrupt the electric circuit at a suitable point Put a corre sponding sticker on the lines near the Tyco Solarlok connector To avoid an electric shock always disconnect the Tyco Solarlok connec tors from all other voltage sources during preparation Illustr Manual crimping tool for assembly of Tyco Solarlok connectors Contamination of any kind dust moisture etc has a negative effect on the working order of the connector system over its aspi red service life That especially applies to the working order of the seals and the crimping of the contacts Therefore make sure everything is clean during assembly Illustr Tyco Solarlok connectors 154 With Tyco Solarlok connectors different kinds of annular contacts are used for dif ferent conductor cross sections Make sure to use the right tools for these cross sec tions The enclosed Tyco Solarlok connec tors are equipped with annular contacts for a cable cross section of 4 mm The enclosed seals have an internal diameter of 6 mm for lines with a cladding diameter of 5 3 to 6 2 mm and 8 mm for lines with a cladding diameter of 7 2 to 8 0 mm Make sure to use a seal that fits the clad ding diameter of the cable used When installing the Tyco Solarlok connec tors proceed in the following order 1 Bare the de energised line by 8 mm 2 Crimp the annul
18. e drops below the lower limit for a short time The grid voltage of the injecting phase is too high The Solar Inverter monitors the lower and upper admis sible grid voltage limits Remedies Remove the objects Ask your power supply company about the stability and design of the grid Check the rating of your grid connection power meter or the grid injection point to your power supply company Ask your power supply company about the stability and design of the grid 145 Error Causes If the voltage exceeds the upper limit U max 264 V the Solar Inverter will auto matically switch off and will only restart when the volta ge value drops below the upper limit again The shut down can already be trig gered if the voltage drops below the lower limit for a short time The cable cross section of the AC supply line to the Solar Inverter is insufficient Your solar system injects electricity into an insuffi ciently rated spur line 146 Remedies Check the rating of your grid connection power meter or the grid injection point to your power supply company Ask your power supply company about the stability and design of the grid Error Error 016 Grid under voltage 3 phase Errors 017 to 019 AFI fault current Causes Remedies The grid voltage is too low Ask your power supply company about The Solar Inverter monitors the stability and design of the grid the lower and upper admis
19. e injected the control of the energy unit concerned operates at a fixed voltage level That prevents unnecessary MPP searching To minimise adjustment losses during fixed voltage operation the fixed voltage level of each energy unit of the Solar Inverter can be set separately The optimum fixed voltage level depends on your PV generator model Illustr Slide switch S100 for setting the fixed voltage level The fixed voltage can be set with the slide switch S100 on the control circuit board Ex works the switch is set to 420V To set a fixed voltage of 540 V slide the switch to the 540V position 103 Country Settings Please note that it takes different configu rations to operate Sunways Solar Inverters in different countries The setting can be adjusted accordingly with the DIP switch S300 below the display circuit board u A y lea Ve Illustr DIP switch S300 for changing the country setting 104 To change the country setting the housing cover must be removed The DIP switch must be re positioned to the respective country setting on all three control circuit boards When delivered the Solar Inverters are pre set to the intended destination coun try The pre set country is indicated by the first two digits of the serial number Germany 00 Spain 02 105 2 3 Installation The Solar Inverter may only be installed by a trained and qualified electrician S
20. e screw driver The cable is now attached to the connection Make sure the cable is connected tightly un SPARE RS485MATCH RS485GND RS485GND CEDO RS485GND SPARE RS485MATCH RS485GND RS485 Connecting the Alarm Relay All Sunways Solar Inverters are equipped with a potential free alarm relay The relay is designed as a make contact element and is always triggered when the device reports an error That ensures that any faults in the PV system are reported quickly and reliably on site With PV systems with several Solar Inverters the individual relays can be paralleled and connected via a joint indicator light The alarm relay cannot be triggered if there is a power failure on L1 because that is the supply phase for the Solar Inverter The alarm relay cannot be triggered if there is a grid failure on L1 since this is the supply phase for the solar inverter Connection Move the cover of the Solar Inverter up and fix it in position by tightening a lateral screw See chapter 2 1 Safety Instructions The required terminal block with the connections S and S is on the lower right side of the circuit board X5 Allocate the terminals as shown Important Information The alarm relay is rated for 230 V 2 A Any higher power voltage may destroy the relay The connected indicator module must be fused separately Connecting a cable to the spring loaded
21. equency fault 1 DC injection 2 005 Frequency fault 2 025 DC injection 3 006 Frequency fault 3 026 Isolated operation 007 Overheating of heat sink 1 027 Grid overvoltage 3 phase 008 Overheating of heat sink 2 028 Surge fault 1 009 Overheating of heat sink 3 029 Surge fault 2 010 Grid undervoltage 1 phase 1 Surge fault 3 011 Grid undervoltage 1 phase 2 Grid voltage 10 minutes mean value 012 Grid undervoltage 1 phase 3 gt 10 percent U ominal 1 013 Grid overvoltage 1 phase 1 Grid voltage 10 minutes mean value 014 Grid overvoltage 1 phase 2 gt 10 percent Unominal 2 015 Grid overvoltage 1 phase 3 033 Grid voltage 10 minutes mean value 016 Grid undervoltage 3 phase gt 10 percent Unominal 3 017 AFI fault 1 034 Control circuit board 1 fault 018 AFI fault 2 035 Control circuit board 2 fault 019 AFI fault 3 036 Control circuit board 3 fault 020 Insulation fault 1 038 Back up battery empty In case of an error the current injection is immediately stopped and the grid relay is triggered which disconnects the Solar Inverter from the grid In addition there are the following pro tection devices on the grid side and on the PV generator side Varistors on the grid side They protect the power semiconductors in case of high power temporary voltage peaks in the grid and they discharge the throttle in case of disconnection from the grid Varistors on the PV generator side Varistors offer protection from atmos pheric over
22. er They are equipped with a voltage monitoring system and a three phase monitoring system for any reduction of the linked voltage in accordance with section 2 4 2 of the VDEW directive 4th edition 2001 Therefore no always accessible isolating point is required see section 2 1 2 Schaltstelle mit Trennfunktion Control Point with Disconnection Function A routine test is carried out with each device to make sure the turn off values of the three phase voltage reduction protection are maintained Subject to changes Currently valid edition availa ble at request For the latest valid version of this declaration please visit our website www sunways de Constance 13 Sept 2005 Me te Place date Roland Burkhardt Executive Board 162 Duration of Guarantee The duration of guarantee is five years starting from the day the Solar Inverter is purchased by the end user The gua rantee chard enclosed with the device must be completed and sent back to Sunways AG Please keep the original receipt with the date of purchase and the serial number In case of a guarantee claim it is requi red as evidence together with the gua rantee card Conditions Within the guarantee period the Solar Inverter will be repaired in the factory in Constance Germany without material or labour being charged Assembly costs shall be borne by the customer unless something else has been agreed on The completed guarantee card must be sent to Sunwa
23. er lines it can be commissioned as follows Depending on whether or not you are using DC main switches the start up and shut down sequence for the DC and AC side differs Note The Solar Inverter is supplied from the grid If the PV output is high enough the Solar Inverter will switch on autom atically For that purpose on and off thres hold values have been determined Start up with DC main switch 1 Switch the grid connection on with the external automatic circuit breaker 2 Switch the PV generator voltage on by closing the DC main switch If the PV input voltage is sufficient the Solar Inverter will start and inject solar energy into the electrical grid The injection is indicated by the power pointer on the display 122 Start up without DC main switch 1 Connect the Tyco Solarlok connectors to your Solar Inverter 2 Start up the AC side Shut down with DC main switch 1 Disconnect the PV generator side by opening the DC main switch 2 Open the grid connection by isolating switching off the corresponding grid fuse 3 After a waiting time of at least five minutes the Solar Inverter is deener gised Shut down without DC main switch 1 Interrupt the grid connection by isola ting switching off the corresponding grid fuse A fault will then be recorded in the fault memory of the Solar Inverter 2 Pull the Tyco Solarlok connector out of your Solar Inverter Never disconnect the PV gen
24. erator by pulling out the Tyco Solarlok connectors under load Otherwise a powerful electric arc might damage the connectors The damaged connectors then have to be replaced To dismantle the Solar Inverter loosen the hexagon socket screws and move the cover up Make sure the Solar Inverter is de energised then remove the supply lines The Solar Inverter may then be lifted out of the assembly frame 123 3 0 Operating Instructions 124 A dot matrix LCD display with 2 x 16 cha racters is integrated in the housing of the Solar Inverter The language of the dis played messages can be selected German English Spanish Italian or French The four arrow keys to the right of the display are for navigating the menu structure The background lighting of the display is acti vated by pressing any random key It auto matically switches off if no input is made for more than one minute As a standard line one of the display shows the current total output of the Solar Inverter and line two shows the partial output of the three energy units 1 to 3 This information is always displayed if no key is pressed for one minute Menu Guide Activate the main menu by pressing any random key In the top menu level there are four items to choose from display current values display energy yield change settings display Solar Inverter specifications Navigating with the Arrow Keys and DOWN keys to scroll within a me
25. erators the DC main switches must also be independently of each other It can be designed as a packet type switch for example 95 Structure of NT 10000 The Solar Inverter NT 10000 is made up of three energy units that are controlled independently of each other Each energy unit has its own DC inlet Energy Unit DC Inlet Control Circuit Board AC Grid Connection Energy unit 1 DC inlet 1 Control circuit board 1 Phase L1 Energy unit 2 DC inlet 2 Control circuit board 2 Phase L2 Energy unit 3 DC inlet 3 Control circuit board 3 Phase L3 The following illustration shows the con nection of the DC inlet and the layout of the energy unit 96 Solar Inverter NT 10000 Control circuit board 3 AC grid connection Interface circuit board amp ec U a m lt N E Energy unit 3 Energy unit 2 Energy unit 1 Underside of the device 97 Protection Concept The numbering 1 to 3 refers respectively to the performance unit 1 to 3 The micro controller continuously and simultaneously monitors and displays the following parameters Numbers 1 to 3 refer to the energy units 1 to 3 Error No Description Error Description 001 DC overvoltage 1 No 021 Insulation fault 2 002 DC overvoltage 2 022 Insulation fault 3 003 DC overvoltage 3 DC injection 1 004 Fr
26. ety Instructions All safety instructions contained in this section as well as in the entire user manu al must be observed to ensure the safety of the user The described product may not be operated if any mechanical or elec trical component is defect Prior to commissioning the PV system we strongly recommend reading and observing the manual and the instructions carefully Non compliance may lead to serious con sequences such as damage to the device damage to other assets personal injury or fatal accidents The Solar Inverter may only be installed by a trained and qualified electrician It must be approved by the power supply company in charge In the chapter headings the due steps are additionally marked by the adjacent symbol 91 Opening the Device Prior to opening the housing always disconnect the device from the grid and the PV generator After having been disconnected from the PV generator there is still lethal voltage inside the device and at the PV generator hubs for approximately five minutes It takes that long for the energy storing capacitors to fully discharge After having disconnected the device from the grid and the PV generator wait at least five minutes before opening the device 92 Scope of Delivery Sunways Solar Inverter NT 10000 assembly frame user manual setup guarantee card CD ROM with software 3 pairs of Tyco Solarlok connectors Checking the Consignment Prior
27. fault or an insulation fault Should such a fault be detected the injection will not start The functioning method complies with E DIN VDE 0126 1 1 In case of an insulation fault at inlet 2 of the PV generator for example error 021 will be flagged DC injection Your Solar Inverter continuously monitors the quality of the injected electricity If an increased share of DC current is detected in the injected electricity the Solar Inverter will stop the injection The Solar Inverter will only try to continue the injection after the system has been shut down and restar ted manually or automatically the next day Isolated operation Your Solar Inverter is equipped with a high quality redundant grid monitoring system that complies with E DIN VDE 0126 1 1 and continuously monitors the grid If one of the monitoring phases fails or if the phase relation changes between the individual conductors the Solar Inverter will stop the injection and only restart when the error has been elimina ted i e when the AC grid works properly again 141 Grid overvoltage 3 phase Your Solar Inverter is equipped with an intrinsically safe 3 phase grid monitoring system that complies with E DIN VDE 0126 1 1 The voltage level of phases L1 L2 and L3 is continuously monitored If it rises above the maximum admissible limit value the Solar Inverter will stop the injection and only restart when the voltage value drops below the maximum a
28. grid voltage is too high The Solar Inverter monitors the lower and upper admis sible grid voltage limits in 3 phases If the voltage exceeds the upper limit Umax 264 V the Solar Inverter will automatically switch off and will only restart when the voltage value drops below the upper limit again The shut down can already be trig gered if the voltage rises above the upper limit for a short time The Solar Inverter has detec ted a high voltage peak in the injecting phase 149 Remedies Ask your power supply company about the stability and design of the grid The Solar Inverter will automatically restart when the error has been elimina ted Should the error occur often please consult your power supply company Error Errors 031 to 033 Grid overvoltage gt 10 Errors 034 to 036 Control error Causes The grid voltage of the injecting phase is too high The Solar Inverter monitors the lower and upper admis sible grid voltage limits If the voltage exceeds the upper limit by 10 Umax 253 V the Solar Inverter will automatically be discon nected from the grid after 10 minutes in compliance with E DIN VDE 0126 1 1 The cable cross section of the AC supply line to the Solar Inverter is insufficient Your PV system injects elec tricity into an insufficiently rated spur line The self monitoring Solar Inverter has detected a con trol fault 150 Remedies The grid impedance of you
29. ield If your Solar Inverter needs to be replaced you can take over the total yield from the 128 former Solar Inverter to your new one You can either take over the total yield of the device or the individual yield of each energy unit If you set the total yield of the device it will automatically be split among the energy units 1 to 3 in equal shares If you change the yield of the individual energy units separately they will be added up to the total yield To do so select the menu item change settings total yield Here you can select the total yield energy unit 1 energy unit 2 or energy unit 3 To start changing the displayed value press the RIGHT arrow key Your Solar Inverter is equipped with an internal data memory as a standard fea ture With the enclosed software Sunways Monitor you can access these data These Solar Inverter data will give you detailed information on the functioning method and relevant values of your solar energy supply at any time The measured values are stored in a ring buffer that automati cally overwrites the earliest values with the latest ones The following measured values are stored in your Solar Inverter NT 10000 15 minutes average values 500 data records each with date time DC current DC voltage AC current AC voltage injected power insolation optional module temperature optional 129 In addition the following total injected energy values elect
30. ingle phase RS232 RS485 USB Irradiation temperature LCD 2 x 16 characters 100 x 25 mm screen size IP 54 95 percent Ventilator above back panel 2 chamber system 25 C to 40 C max 805 x 500 x 175 height x width x depth 30 kg without assembly frame Declaration of Conformity to EU Low Voltage Directive 73 23 EEC Appendix III B We hereby declare that the product described below including the required accessories conforms to the provisions of EU Directive 73 23 EEC following 93 68 EEC Product Solar Inverter Manufacturer Sunways AG Photovoltaic Technology Macairestr 3 5 D 78467 Konstanz Germany Type Sunways NT 10000 As from manufacturing date 15 September 2005 Applied standards Standard EN 50178 EN 60950 Title Electronic equipment for use in power installations Edition 1998 Constance 13 Sept 2005 We A Place date Roland Burkhardt Executive Board 160 Declaration of Conformity to EMC Directive 89 336 EEC Including Changes 91 263 EEC and 93 68 EEC We hereby declare that the product described below conforms to the provisions of EU Directive 89 336 EEC EMC Directive with changes 91 263 EEC and 93 68 EEC Product Solar Inverter Manufacturer Sunways AG Photovoltaic Technology Macairestr 3 5 D 78467 Konstanz Germany Type Sunways NT 10000 As from manufacturing date 15 September 2005 Applied standards Standard EN 50082 2 EN 61000 4 2 4 3 4 4 4 6 4 8 EN
31. nding grid fuse first A fault will then be recorded in the fault memory of the Solar Inverter however 114 Communication Interfaces The communication interfaces enable you to retrieve operating data from the data memory with an external computer and to change certain settings There are several communication interfaces USB RS232 and RS485 The standard communication interface is the USB interface which is installed in every common PC or Notebook This inter face will let you communicate with your Solar Inverter via an interconnecting USB cable As an alternative you can also use the RS232 interface The RS485 interface is for cross linking several Solar Inverters The USB and RS232 interfaces are connec ted on the outside of the housing with a standard USB connector or a SUB D9 con nector Solar 350 850 V max En VDE v sone Illustr USB connector left and SUB D9 connector right for the RS232 connection on the underside of the device GND ZS ap 0 GE IDLO LO LN LD amam amp YY TS Onin Ww a 40202020 connection 115 RS485 Wiring Solar Inverters NT 10000 can be cross lin ked via RS485 When doing so please keep in mind that the Solar Inverters must be connected in series Cross linking them point to point is not admissible Interface RS485 is connected via the printed circuit board terminals and the corresponding M12 cable glands inside the housing Prior to wiring the
32. ndoors as well as in a sheltered outdoor area but it may not be directly exposed to rain Make sure the dust filter on the lower left side is not clogged by contamination That would impair the intake of cooling air Depending on the surroundings the filter should be cleaned at regular intervals 107 Mechanical Installation For assembly please observe the instruc tions in the Setup leaflet Electrical Connection and Cable Entry As soon as the Solar Inverter is fixed to the assembly frame it can be electrically con nected The device may only be opened by a qualified electrician For this purpose loosen the four lateral hexagon socket screws by one rotation The cover can now be moved up to the upper rabbet Fix the cover in position by simply inserting the hexagon key on the lower right side The wiring space is now accessible 108 Grid Connection As an input to grid line protection ele ment we recommend using a3 x 25 A The Solar Inverter must be connected to automatic circuit breaker for the NT the grid with five cores L1 L2 L3 N PE 10000 No consumers may be connected We recommend a cable cross section of to the supply line from the Solar Inverter 5x4 mm to the automatic circuit breaker The Solar The Solar Inverter is connected to the Inverter injects in three phases via termi supply grid via its internal printed circuit nals L1 L2 and L3 Please mind the pin board terminals assignment A
33. nection between the PC and Monitor Direct 5 25 m away USB max 5 m or RS232 the Solar Inverter via USB with Link max 25 m see 1 the RS485 address 01 max 5 m see 4 Sunways PC not more than Link between Solar Link between Solar Inverter and Monitor Local 500 m away mi Inverter and PC via RS485 PC via RS485 bus using an inter Link nus RS485 cable bus using an interface face transformer at the PC length between transformer at the PC see 5 the Solar Inverters see 2 Sunways PC more than Use of a remote modem Connection of the remote Monitor 500 m away at the Solar Inverter RS232 modem via an interface trans Remote Link port link via modem at former at the RS485 of the Solar the PC see 3 Inverter with the RS485 address 01 link via modem at the PC GEW Sunways Sunways Commu Use of an RS485 cable set Use of an RS485 cable set Communicator nicator not more comes with the Sunways comes with the Sunways Direct Link than 25 m away Communicator Communicator The cables and interface transformers that should be used are shown in the following diagrams 1 Local link with a maximum distance of 25 m between the Solar Inverter and the PC SUB D9 connector SUB D9 connector USB USB 2 Sunways cable type 1 null modem cable female female alternative Sunways cable type 5 USB device cable INVERTER 1 2 Local link with an interface transformer between the Solar Inverte
34. nterface Transformer Linking and Interconnecting Possibilities Errors 001 to 036 Error Causes and Remedies Safety Instruction and Installation Designation and Description Solar Inverter NT 10000 EU Low Voltage Directive 73 23 EEC EMC Directive 89 336 EEC Including Changes 91 263 EEC Safety Clearance Certificate of Compliance VDEW 4th edition 2001 Duration of Guarantee Conditions Exclusion of Liability Rights Registered Trademarks 89 1 0 General information Thank you for having chosen a Sunways Solar Inverter NT 10000 You have acquired a high quality product with unique features and a top efficiency level This Solar Inverter is designed in accordance with the proven HERIC topology and therefore guarantees you a maximum energy yield The Solar Inverter is equipped with three independent energy units which transform the energy of three separately connected PV generators into grid compatible AC power and inject it in three phases Thanks to the MPP multitracking process PV gene rators with various ratings can be connected to the same Solar Inverter with the NT 10000 In this user manual you will find explana tions on how to use the Sunways Solar Inverter NT 10000 It includes information on installation commissioning the functio ning method and system monitoring 90 The user manual contains safety instruc tions They are marked by a triangle with an exclamation mark General Saf
35. nu You can use the UP arrow arrow level To select a menu item press the RIGHT arrow key higher menu level press the LEFT arrow To return to a key Setting Values To set values move to the next figure by pressing the RIGHT arrow key To change the current figure press the UP DOWN arrow key If the cursor is on the last figu re you can confirm the input by pressing the RIGHT arrow key To abort the changes during entry press the LEFT arrow key 125 If a displayed value can be changed an arrow is shown behind it In this case press the RIGHT arrow key to reach the edit mode Display current values The current power and voltage values are displayed separately for each of the three energy units Display yield Change settings Solar Inverter specifications 126 Power kW DC current A DC voltage V AC current A AC voltage V Temp module C Insolation W m2 Date Time Error display Today s yield Yesterday s yield Monthly yield Annual yield Total yield Address RS485 Date Time Pee ORO LCD contrast Total yield Works menu Total Energy unit 1 Energy unit 2 Energy unit 3 Serial number Firmware version Date of commissioning 127 04 You can enter the following settings in your Solar Inverter set RS485 address set date time set display language set LCD contrast set total yield
36. o the interface transfor mer With the last Solar Inverter the jum per RS485 MATCH must be closed With all other Solar Inverters it has to be in the open position To identify the individual Solar Inverters a clear RS485 has to be assigned to each of them See chapter Setting the RS485 Address Finding the Jumper RS485 MATCH in the Solar Inverter Please make sure the jumper RS485 MATCH is in the right position considering the communication interconnection you have chosen This jumper is on the under side of the interface circuit board Illustr Position of the jumper RS485 MATCH 138 Your Solar Inverter works fully automatically Should external or internal factors neverthe less lead to an error an error number will be flagged on the display Below you will find a description of the error for each error number If three consecutive error numbers are listed in the description each of them refers to an energy unit of the Solar Inverter E g for the description of errors 004 to 006 this means Error 004 refers to DC inlet 1 left DC connection energy unit 1 lower control circuit board grid phase L1 Error 005 refers to DC inlet 2 middle DC connection energy unit 2 middle control circuit board grid phase L2 Error 006 refers to DC inlet 3 right DC connection energy unit 3 upper control circuit board grid phase L3 DC overvoltage A maximum PV generator no load v
37. oltage of 850 V is admissible All components of the DC inlet have a sufficient safety factor If this limit is exceeded the Solar Inverter will stop the injection and error 001 will be flagged for example That means an over voltage of the PV generator on inlet 1 or on the lower energy unit Frequency fault The Solar Inverter continuously monitors the applied grid frequency Should it be outside the range specified in E DIN VDE 0126 1 1 the Solar Inverter will stop the injection and error 004 will be flagged for example That means a grid frequency error on grid phase L1 or on the lower energy unit 139 Overheating Your Solar Inverter is designed for an ambient temperature of up to 40 C If the maximum temperature of the heat sink is exceeded the injection will stop When the heat sink temperature has dropped the Solar Inverter will automa tically restart If the upper heat sink over heats for example error 009 will be flagged Grid undervoltage 1 phase Your Solar Inverter continuously monitors the voltage level of the injection phase If it drops below the minimum admissible limit value the Solar Inverter will stop the injection and only restart when the voltage value rises above the minimum admissible limit value If the voltage of L1 drops below 160 V the Solar Inverter can no longer be supplied and the display will switch off If there is a grid undervoltage on phase L3 for example
38. or Preparation Please note that the NT 10000 has three independent DC inlets The PV generators may have different ratings but they must be compatible with the specifications of the Solar Inverter 1 Install the DC cables in accordance with the system ratings prescribed by your PV planner Measure the no load voltage and the short circuit current of each PV phase to make sure they work perfectly 2 Read the type plate of the Solar Inverter to make sure it is licensed for the maxi mum PV generator voltage 3 To avoid dangerous touch voltage during the assembly of PV systems the positive and negative conductors must be kept away from the earth potential PE electrically 4 Accessible and conductive parts of the PV generator e g metal frame support structure etc must be earthed connec tion to PE 5 Make sure the PV generator is earth fault free 6 Connect the Solar Inverter to the power line 112 Connection The PV generator is connected by means of the externally accessible touch safe Tyco Solarlok connectors included in the con signment The Tyco Solarlok connectors are designed for a cable cross section of 4 mm2 and have to be crimped For further infor mation please read chapter 4 2 Tyco Solarlok Connectors Please note All PV generator inlets are positioned in pairs Inlet 1 is left inlet 2 is in the middle and inlet 3 is right The upper connections are POSITIVE and the
39. ormer with the following allocation RS485 to DATA and RS485 to DATA The interface transformer transforms the RS485 signal into RS232 It is linked to the PC with cable type 2 standard modem cable With the Solar Inverter that is fur thest away from the interface transformer the jumper RS485 MATCH must be closed 136 With all other Solar Inverters it has to be in the open position To identify the individual Solar Inverters a clear RS485 has to be assigned to each of them See chapter Setting the RS485 Address 6 Remote link for up to 99 Solar Inverters with an interface transformer and a modem SPARE m _ RS485MATCH wu twisted pair cable cone e e RS485MATCH INVERTER SUB D9 twisted pair cable connector SUB D9 SUB D9 connector hub IT boon twisted pair cable Sunways cable type 3 Sunways cable type 2 modem cable modem cable CED SPARE e e RS485MATCH Lu co wu gt connector connector hub connector Ad 6 Remote Link for up to 99 Solar Inverters If you wish to connect several Solar Inverters to the remote monitoring system the individual Solar Inverters must be cross linked via RS485 The RS485 signal of the first Solar Inverter in the row is transferred into the interface transformer with the fol lowing allocation RS485 to DATA and RS485 to DATA Connect the remote modem t
40. pecial tools are needed for installation Please read this chapter very carefully Ceiling Warm 4 air ww 00 gt Wall min 300 mm min 300 mm II INN w oO Cool air N f 3 3 p Installation Site Requirements Mechanical Load Bearing Capacity During assembly please keep in mind that the Solar Inverter weighs 30 kg The assembly foundation must be solid and capable of bearing the weight in the long run Thermal Interaction The assembly foundation must be made of flame retardant material unsuitable wooden or plastic foundation suitable concrete and masonry because the frame of the Solar Inverter can reach up to 70 C Maintain a minimum distance of 300 mm to other devices cabinets ceilings cable channels etc above below and next to the housing The Solar Inverter must be installed in an upright position to ensure unobstructed convection Do not install several Solar Inverters on top of each other as they might heat each other up If the Solar Inverter is installed in a switch cabinet make sure the heat is removed to a sufficient degree The ambient temperature may not drop below 25 C or rise above 40 C To protect the Solar Inverter from unneces sary external heat sources do not expose the Solar Inverter to direct sunlight Protection from Moisture and Foreign Objects Thanks to the high protection level IP 54 the Solar Inverter can be installed i
41. r move the cover of the Solar Inverter up and fix it in position by tightening a late ral screw Please note that the inlets and outlets are not short circuit proof Please observe chapter 2 1 Safety Instructions 120 Allocation of the cable terminal block Pin allocation Sensor pin name Solar inverter pin name sensor connector Plus signal temperature Plus signal insolation intensity Plus connection supply 5 V Earth reference Use a small screwdriver Press the orange terminal The terminal will open Insert the at least 11 mm bare cable into the respective terminal hole Release the pressure from the screw driver The cable is now attached to the connection Make sure the cable is connected tightly 121 Prior to starting up the Solar Inverter move the housing cover downwards by releasing the lateral fixation on the right lower side of the housing and pulling the four lateral hexagon socket screws tight Do not deposit any objects e g this manual on the housing of the Solar Inverter The ventilation behind the Solar Inverter must not be obstructed If the device is installed outdoors please double check that the cable glands the housing cover and the protection cap of the SUB D9 connector provided this ter minal is not allocated are tight Starting Up and Shutting Down the Solar Inverter As soon as the Solar Inverter has been mechanically installed and connected to the pow
42. r and the PC Connection bar Sub D9 hub SUB D9 connector INVERTER twisted 2 wire cable Sunways cable type 2 modem cable female male RS485GND RS485GND 3 Remote link with a modem between the Solar Inverter and the PC cc LL ea wo gt Sub D9 connector SUB D9 hub Sunways cable type 2 Sunways cable type 2 modem cable hub connector modem cable hub connector 4 Local link for up to 99 Solar Inverters with a maximum distance of 25 m between the Solar Inverters and the PC cc RS485 C SPARE ry CHO ces u gt RS485 mE e e RS485MATCH INVERTER 3 Sunways cable type 5 RS485 USB plug CHD SPARE e e RS485MATCH INVERTER 5 Local link for up to 99 Solar Inverters IT or USB o SPARE Em CHO Weve wi CED SPARE e e RS485MATCH INVERTER CHD SPARE e RS485MATCH INVERTER 1 twisted pair cable Ad 5 Local Link for up to 99 Solar Inverters With this interconnection up to 99 Solar Inverters can be cross linked and read out That results in a maximum RS485 cable length of 500 m between the Solar Inverters and the interface transformer The RS485 signal is transferred from the first Solar Inverter in the row into the Alternatively USB SUB D9 USB connector SUB D9 hub USB Sunways cable type 5 USB device cable Sunways cable type 2 modem cable female male interface transf
43. r grid connec ting point is too high Ask your power supply company about the stability and design of the grid Check the rating of your grid connection power meter or the grid injection point to your power supply company Ask your power supply company about the stability and design of the grid Please call the technical hotline The phone number is on the back of the user manual Error Error 038 Back up battery empty Display is blank despite sufficient injection Causes The back up battery on the interface circuit board is empty The display contrast is bad because the temperature is high The display circuit board is not supplied with electricity The PV generator is partly covered with snow 151 Remedies Have the battery button cell exchanged by a qualified person The battery is on the LCD display circuit board That can happen if the ambient tempera ture is high As soon as the temperature drops the display will work properly again That does not affect the injection of electricity Make sure the ribbon cable between the display circuit board and the control circuit board is not loose For this pur pose switch the Solar Inverter off and disconnect the AC and DC supply When doing so please observe chapter 2 1 Safety Instructions Clear the snow off the PV generator or wait until it has melted 152 4 0 Appendix 153 Tyco Solarlok connectors may only b
44. red error and read the Remedies to find out how to eliminate it Error Errors 001 to 003 DC overvoltage Errors 004 to 006 Frequency fault Errors 007 to 009 Overheating Causes The maximum DC voltage has been exceeded Too many modules are connected in series The grid frequency is outsi de the admissible range The maximum admissible ambient temperature of 40 C has been exceeded The required air circulation was not considered during installation 144 Remedies Check the rating of your PV generator Reduce the number of modules in the DC inlet concerned and recommission the system Ask your power supply company about the stability and design of the grid The installation site is not suitable Please select a different installation site If contamination is blocking the cooling system clean the Solar Inverter Error Errors 010 to 012 Grid under voltage 1 phase Errors 013 to 015 Grid overvoltage 1 phase Causes Objects have been deposi ted on the heat sink obstructing the convection The grid voltage of the injecting phase is too low The Solar Inverter monitors the lower and upper admis sible grid voltage limits If the voltage drops below the lower limit Umin 184 V the Solar Inverter will auto matically switch off and will only restart when the volta ge value rises above the lower limit again The shut down can already be trig gered if the voltag
45. rical output are stored daily yield 40 days monthly yield 13 months total yield since commissioning The last 100 errors of the Solar Inverter are stored with their date time and error number Please note that in the nominal case all displayed values have a maximum measu ring accuracy of 5 percent The power meter of your power supply company is an absolute reference for the injected energy General Information The visualisation software Sunways Monitor 2 0 is for monitoring the PV system and configuring the Sunways Solar Inverter with a PC You can install it on your PC from the enclosed CD ROM To download the latest software version free of charge please visit www sunways de on the Internet Our system recommenda tion is Intel Pentium with at least 500 MHz Microsoft Windows 98 Second Edition Windows 2000 Windows XP Microsoft NET Framework 1 1 200 MB available ROM 256 MB RAM VGA monitor with at least 1024 x 768 resolution at least 256 colours With the Sunways Monitor 2 0 software all measured values stored in the Solar Inverter are retrieved and filed in a data bank The software lets you visualise the measured values in diagrams or in tables 130 You can flexibly manage as many PV systems as you like with up to 99 Solar Inverters and different types of con nections modem or direct To learn more about the software possi bilities please read the instructions on the
46. terminal Use a small screwdriver Press the orange terminal The terminal will open Insert the at least 11 mm bare cable into the respective terminal hole Release the pressure from the screwdri ver The cable is now attached to the connection Make sure the cable is connected tightly 118 The terminals are designed for a cable cross section of 0 2 mm to 1 5 m2 When selecting the dimensions of the cross section please keep the power consumption of the connected indicator module in mind Illustr Alarm relay connection Paralleled alarm relays of several Solar Alarm relay terminal allocation Inverters INVERTER INVERTER INVERTER 1 a fa Ps Connecting the Insolation and The optional insolation sensor with the Temperature Sensor temperature probe is connected to the cable terminal block X4 in the lower The optional insolation sensor type section of the circuit board Si 01TC T by Ing B ro Mencke amp Tegt meyer with its integrated PT 100 tempera ture probe for measuring the temperature lets you record the insolation data and the corresponding module temperature and store them in the internal data memory as a 15 minute average value This additional measuring unit helps you analyse the performance of the system Based on the values any faults in the PV generator e g shaded or defect solar Illustr Connection insolation sensor cells can be detected Prior to connecting an insolation senso
47. to shipment our products are chec ked to make sure they are in a perfect con dition They are carefully packaged in recy clable materials Nevertheless damage may occur during transportation which is nor mally the fault of the forwarding company Please check the delivered Solar Inverter carefully Should you notice any damage to the packaging or to the Solar Inverter please notify the forwarding company immedi ately If required your specialist dealer will be glad to support you If a damage report is needed it must be filed with the forwar ding company no later than seven days after receipt of the consignment 93 Integrating the Solar Inverter in the PV System Rating of the PV Generator The technical data of the selected PV generator must be compatible with the specification of the Solar Inverter see Technical Data An incompatible rating may reduce the yield or destroy the device The rating program Sunways NT Sundim can help you select the correct PV generator rating You will find Sunways NT Sundim on the enclosed CD ROM or on our homepage www sunways de Prior to planning your system please take the following considerations into account Mind the orientation of the modules In Central Europe you will gain a maxi mum yield if the module has a horizon tal angle of 30 and the PV generator field points directly towards the south The warmer the module gets the smal ler the output of the cells
48. voltage e g caused by remote lightning strikes 99 2 0 Installation Instructions 100 Electrical Safety Prior to opening the housing disconnect the Solar Inverter from the electricity of the grid and the PV generator After disconnection from the PV generator and the grid there is still lethal voltage inside the Solar Inverter and at the PV generator hubs for approximately five minutes It takes that long for the energy storing capacitors to fully discharge After having disconnected the Solar Inver ter from the grid and the PV generator wait at least five minutes before opening the Solar Inverter Mechanical Safety During assembly make sure the cables or connecting lines attached to the Solar Inverter are installed safely and suitable mechanical cable retaining devices e g cable channels are used 101 Cleaning Instructions Prior to cleaning your PV modules always disconnect the PV system from the power grid by opening the grid disconnecting device main fuse and open the DC circuit breaker on the PV generator to prevent the risk of an electric shock Use a dry soft cloth to clean your PV modules Never use caustic solvent based or scouring cleaning agents or polish Please observe the instructions of the PV module manufacturer 102 N N c Settings Setting the Fixed Voltage Level Your Sunways Solar Inverter is equipped with a precise MPP control If less than 200 watt ar
49. ys AG Constance within seven days after purchase In case of a guarantee claim please inform us beforehand stating your name address phone number email address if applicable and the serial number The phone number is on the back of the user manual The Solar Inverter may only be shipped with the prior approval of Sunways AG The approval will be granted as soon as the completed fault protocol has arrived stating the occurred fault and the way you would like the guarantee claim to be pro cessed Devices sent to Sunways AG without prior notification cannot be accepted and repaired The time required to correct the fault must be granted Sunways AG will try to correct the fault within 14 days after having received the device If that is not possible we will let you know the reason and when the fault will be corrected Please keep the original packaging even after the guarantee period has run out Forwarding companies may only accept the Solar Inverter if it is in the transport proof original packaging Therefore please let us know if you have lost the original 163 packaging prior to having the device pic ked up We will be glad to send you a new packaging against payment Exclusion of Liability Claims and liability for damage directly or indirectly caused by the following reasons are excluded interventions changes and repair attempts insufficient ventilation force majeure e g lightning strike
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