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User Manual Sunways Solar Inverter AT 2700, AT 3000

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1. User Manual Sunways Solar Inverter AT 2700 AT 3000 AT 3600 AT 4500 AT 5000 english EN Photovoltaic Technology Imprint All rights reserved Copyright by Sunways AG Photovoltaic Technology MacairestraBe 3 5 78467 Konstanz Germany This user manual may only be reprinted or copied in whole or in part with the express written approval of Sunways AG Any type of reproduction distribution or storage on data carriers in any form and of any kind not authorised 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 device or which increase the safety standard even without separate prior notice Publisher responsible for the content Sunways AG This user manual contains products and product names which are registered trademarks The mention of products and product names is used only for information purposes and does not represent product misuse The passage referring to these products in this user manual does not represent original docu mentation of the respective product Introduction Thank you for deciding in favour of a Sunways Solar Inverter of the AT Series In doing so you have purchased an innovative high quality product with unique equipment features and a high constant efficiency This Solar Inverter is equipped with HERIC topology and innovative FP switching and therefore ena
2. Confirm with 7 Set password Select password Default password is KREKRERKR ERK SE A new password can be set with I 2 5 as an option G Please note Numerals from 0 9 and letters from a z and from A Z are admissible The password always has 8 characters If the pass word you choose is fewer than 8 characters in length the remainder up to the full 8 characters is filled with symbols For example You choose Solar as your password This password has 5 characters The system therefore then auto matically adds three symbols meaning that your password becomes Solar Hew password Password E EEEE FE TEE Confirm password with 8 Completion of commissioning Commiss completion Master 1 Ho of devices Fa Confirm overview with 4 Commissioning Commissioning slaves After a master has been defined the display for requesting the CAN ID is automatically shown on the display on each slave di Request CAN ID Request next highest free ID from master with or next lowest free ID with The master assigns a free ID to the slave Con firm the ID with amp within 5 seconds CAH bus Confirm CAN ID with within 5 seconds GJ The data for the individual slaves can be assigned in the Sunways Browser and in the menu of the master based on the IDs The CAN ID 1 is automatically assigned to the master This means the slaves can be assigned IDs betwe
3. Modem type Select the modem type analog ISDN or GSM Internet dial in number Dial in number for your Internet provider ISP Outside line If you have a telephone system you may have to enter 0 for example A comma results in a dialling pause of 1 second Provider login User name defined by your Internet provider Provider password Password defined by your Internet provider PPP IP You can reach the Solar Inverter by entering this IP address in your web browser The address is set to 192 168 20 50 by default 67 6 System monitoring MSN MSN for the modem extension ISDN modem This is usually the extension number of without the area code SIM card PIN SIM card PIN for GSM modem Function buttons Click Send to save the settings in the Solar Inverter Click Read to display the current Solar Inverter settings Click Modem Test to test the connection between the modem and the ISP You receive a reply as to whether dialling in was successful G Before conducting the modem test the settings must be stored in the Solar Inverter by clicking Send Cheap ISP dial up numbers are available from www teltarif de internet or www billiger surfen de for example Here you will find not only tariff information but also the access data phone number user name password E mail settings To enable the Solar Inverter to send E mails the E mail settings must be stored via the Sunways Brows
4. After the network configuration is completed you can start the Sunways Browser by entering the IP address of the Solar Inverter in the address line of your web browser 60 6 7 Access via DSL router If a DSL connection or a network with Internet access is available you can make the Solar Inverter accessible via the Internet Requirement Your DSL modem or Internet router supports static IP address services e g www dyndns org Your router supports port forwarding 1 Connect your Solar Inverter with your DSL router Use a CAT5 Ethernet cable with 1 1 RJ45 sockets The master is connected to the network as standard 2 Register free of charge at www dyndns org for example 3 Create an alias for accessing your Solar Inverter e g at sunways dyndns org You can then access your Solar Inverter via this address 4 Configure your DSL router such that the IP address is regularly reported to www dyndns org follow the procedure described in the manual for your DSL router for this purpose 5 Configure your DSL router such that it accepts requests from the Internet via Port 80 for exam ple and forwards them internally to the Solar Inverter port forwarding 6 Also note that the port for access from the Inter net set in your firewall must be enabled G Instructions for configuring common DSL routers are available for download from the Sunways AG website 6 System monitoring 6 8 Connection via the Sunways
5. Login Display Description Settings Network only possible with customer password Interfaces Setting of the irradiation and temper ature sensor and configuration of the SO pulse output Ethernet 1 Network settings Screen 1 Activate DHCP for the automatic IP IP address address setting or enter IP address 192 168 030 DET manually Ethernet 27 Network settings Screen 2 Subnet mask 755 255 255 000 Gateway 192 168 030 pp Have CAN bus ID assigned by the master R5485 bus Assign RS485 address to the device only necessary if NT devices are con nected in the network RS455 ID 002 5 Operation Menu selection Settings Network Interfaces Settings Network Ethernet Settings Network Ethernet Settings Network CAN bus Settings Network RS485 bus 45 5 Operation 5 5 Malfunction displays The Solar Inverter indicates malfunctions in the LCD display and saves these in the internal error memory The malfunction display consists of a number and a short designation Based on the first number you can quickly recognise which area the error has occurred in Error in the area of the solar generator Error in the area of the AC network Error in the area of the inverter Error in the area of the interfaces communication Service error Ser If an error is shown in the standard display then you can look up the exact error message in the menu under Sol
6. CO Vermeidung i BHOOL Poy Please note that the maximum pulse rate may not be greater than 15 pulse sec Calculate the pulse rate depending on the size of the solar system using the following formula Pulse rate pulses kWh 50 000 system size kWp The pulse rate must be set on your Solar Inverter and on the large display 26 Connection of temperature and irradiation sensor The optional addition of an irradiation sensor model Si 01TC K from Ingenieurb ro Mencke amp Tegtmeyer with an integrated PT 100 temperature sensor for temperature measurement enables the acquisition of irradiation data and the correspond ing module temperature and storage in the internal data memory as a 5 minute mean value This addi tional measuring device helps analyse the system output Based on the values any errors on the PV generator e g shading or failure of solar cells can be detected The sensor is activated via the display In the menu Settings Network Interfaces you can select the sensor type in the Irrad and Temp field Interfaces SO 25 0 EIRGERIT HHA ee OO eeeoo Assignment of sensor connection Sensor Sensor Solar Inverter connector pin connection connection assignment designation Pin 1 Plus signal Temp temperature Pin 2 Plus signal Solar irradiance Pin 3 Reference earth V Pin 4 Plus connection for V supply 5
7. 14 14 14 15 16 16 20 22 22 23 25 26 26 27 4 6 Commissioning Operation System monitoring 4 1 4 2 3 1 3 2 5 3 5 4 5 5 6 1 6 2 6 3 6 4 6 5 6 6 6 7 Content Connecting and disconnecting Solar Inverter Connecting Switching off Commissioning Commissioning single device Commissioning several networked devices Later commissioning Operating elements Operating field LCD display Operating LED Standard screen single device Standard screen system Access rights Customer area Installer area Menu structure Overview of screen displays Malfunction displays Solar generator fault AC network fault Inverter fault Interface communication fault Service fault General information Integrated data logger Direct Ethernet connection Network settings on Solar Inverter Network settings on the PC Connection via an existing Ethernet network Access via DSL router 28 28 28 28 29 29 30 34 35 35 35 35 35 36 36 37 37 37 38 39 46 46 47 49 51 54 55 55 55 56 57 58 60 61 Content 7 Appendix 6 8 6 9 6 10 6 12 6 13 7 1 7 2 7 3 Connection via the Sunways Modem Dial up connection from a PC to the Solar Inverter Sunways Browser General information Access protection Overview Menu Language selection Setting the date time Software update Internet dial up via modem
8. 6 System monitoring 6 5 Network settings on the PC 5 Select Internet Protocol TCP IP and click Properties again To enable your PC to communicate with the Solar Inverter certain network settings are required Local Area Connection Properties The procedure differs slightly depending on the operating system A configuration example for Windows XP is shown below M 1 File and Printer Sharing for Microsoft Networks 3 QoS Packet Scheduler Internet Protocol TCP IP IP addresses may only be assigned once within the ma 5 network 1 Select Start Settings 2 Select Network Connections 3 Double click on the LAN connection through which you are connected to the Solar Inverter 6 Now assign an unused IP address 192 168 30 XXX 3 Network Connections and enter the subnet mask 255 255 255 0 Internet Protocol TCP IP Properties Create a new connection Sunways AT Set up a home or small office network Change Windows Frewell LAN or High Speed Internet Local Area Connection VMware Accelerated AMD PCN WD Network Troubleshooter Control Panel My Network Places My Documents Q My Computer 192 168 30 1 btan DNS server address automatically OF 4 Click in the Status window on Properties 4 Local Area Connection Status 7 Click OK to confirm your entries 58 8 In the Status menu item you can
9. AN CAUTION This symbol indicates an immediate danger which can result in damage if the applicable safety regula tions are not followed Symbols used in this user manual Li Information This symbol indicates important information which contributes to a better understanding of the Solar Inverter 12 Warnings and symbols on device The following warnings on the housing of the Solar Inverter point out dangers Always observe the warnings exactly This symbol indicates that the user manual must be read and understood before putting the device into operation IMPORTANT Hot surface The housing can heat up during operation u C war 5 Min The device must be disconnected from the mains supply and from the PV generator before opening the housing The device still carries life threatening voltage for approx five minutes internally and at the connection terminals of the PV generator fol lowing disconnection from the PV generator The energy storage capacitors are not completely dis charged until after this time You must wait at least five minutes after disconnecting the device from the mains supply and from the PV generator before opening the device Warning High leakage current earth connection essential before connecting supply WARNING High leakage currents Be sure to make an earth ing connection before connecting the power supply circuit AC system 2 3 Basic safety measures El
10. 4 2 Commissioning The commissioning menu is automatically opened the first time the Solar Inverter is connected It helps you make the standard settings G For a better understanding of keyboard operation please also see the chapter Operation The commissioning of the Solar Inverter as a single device a master and slaves with several networked devices is described in detail in the following Commissioning single device System with one Solar Inverter Single device 1 During initial start up the following appears on the display Commissioning With DE Commissioning Start gt Start commissioning with 2 Select required language with Choose language Confirm selected language with 4 Commissioning 3 Select the country Germany Confirm the country of installation Contirm Country Country Germany Yes Ho G Your Solar Inverter will only start feeding electricity once the country of installation has been confirmed 4 Select Single device with Commissioning Device mode Single device Confirm with 5 Set date and time G Please proceed with caution for time settings as they directly affect data logging For example if you set the time back by 1 hour then the existing data for the last hour will be overwritten Select date with 2 Change selected number with amp 4A and jump to next number with Save the set date wi
11. CAUTION Ensure proper mechanical and electrical installa tion before commissioning the Solar Inverter Check the proper condition of the electrical lines Always separate the grid connection first by switching off the corresponding mains fuse and then the solar generator side by quickly opening the DC load break switch The Tyco Solarlok connectors of the solar genera tor connection may not be disconnected while under load The DC load break switch must be quickly switched to the switching position 0 GJ The Solar Inverter is supplied from the grid The Solar Inverter switches on automatically when suf ficient solar generator output is available Corre sponding switch on and switch off thresholds have been defined for this purpose 28 Connecting 1 Switch on the grid connection with the external circuit breakers 2 Switch on the solar generator voltage by quickly closing the DC load break switch switching posi tion 1 The Solar Inverter takes up operation when sufficient input voltage is available 1 Mm Ge 1 DC load break switch The operating LED lights up in accor dance with the Operating state The commissioning menu opens when the Solar Inverter is connected for the first time Switching off 1 Open the grid connection by switching off the circuit breaker 2 Disconnect the solar generator side by quickly opening the DC load break switch switching position 0
12. worked via a CAN bus The following table shows the recommended cable cross sections depending on the bus length and the number of nodes 64 100 0 25 mm or AWG 24 0 25 mm or AWG 24 0 5 mm or AWG 20 0 5 mm or AWG 20 0 75 mm or AWG 18 1 0 mm or AWG 16 23 3 Installation In cases where the values specified in the table can not be adhered to a CAN bridge for boosting the signal must be installed through which the length of the CAN bus can be extended by up to 500 m The requirement to install a CAN bridge is therefore determined by the bus length the number of nodes and the cable cross sections INVERTER INVERTER INVERTER LLJ Gi A oc co ci U CAN Bus 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 contact the Technical Hotline The CAN bridge subdivides the bus into two physi cally independent segments The maximum cable length of each segment is determined by the set bit rate With a bit rate of 125 kbit s two segments with a maximum length of 500 m each are possible The total line length can therefore be up to 1 km under ideal conditions In systems with Solar Inverters from the PT series the CAN bridge can be integrated directly in the PT Solar Inverter and supplied via the 24 V DC power supply unit of the inverter In systems with AT Solar Inverters
13. 4 Commissioning with RS485 Sunways Portal NT series 850 V with Sunways Communicator AT series with separate CAN networks Sunways Browser Sunways Portal NT devices 900 V must be oper ated in a separate CAN network with independent main unit PT series with separate CAN networks Sunways Browser Sunways Portal NT devices 900 V must be operated ina separate CAN network with independent main unit with CAN Bus CANopen CiA437 Sunways Browser NT Series 900 V Sunways Portal NT with RS485 PT with CAN bus Sunways Portal connect NTs with Sunways Commu nicator PTs with Sunways Modem or DSL network to the Internet Sunways Browser only available for PT with CAN bus Sunways Browser Sunways Portal The PT Solar Inverter must be the main unit with CAN bus Sunways Browser Sunways Portal with RS485 Sunways Portal with Sunways Communicator Sunways Monitor with CAN bus Sunways Browser Sunways Portal with RS485 Sunways Portal with Sunways Communicator Sunways Moni tor with interface converter 31 4 Commissioning G In mixed systems containing AT and PT Solar Invert ers the Solar Inverter PT is always the master Commissioning the master 1 During initial start up the following appears on the display Commissioning With 0K Commissioning Start gt Start commissioning with 2 Select required language with Choose
14. G After a correct password entry the login remains active for 5 minutes The device then switches back to guest mode Pressing any key during the login period extends resets the period to gt 5 minutes Customer area The customer password must be entered to access this area All settings can be made which are required for installation and commissioning of the Solar Inverter G The password for the customer area is k k k k k k k k ERE The password is preset and is directly confirmed with As an option you can assign a personal password in the Commissioning menu Digits between 0 9 and letters between a z and A Z are permitted The password always has 8 characters If the pass word you choose is fewer than 8 characters in length the remainder up to the full 8 characters is filled with symbols For example You choose Solar as your password This pass word has 5 characters The system therefore then automatically adds three that your password becomes Solar symbols meaning 5 Operation Installer area In this area the installer can make special settings on the Solar Inverter which are available after consult ing the Technical Hotline Request a device specific password from the Technical Hotline These pass words are only relevant for the Sunways Browser All commissioning procedures are accessible from the customer area Technical Hotline 49 0 7531 996 77 577 37 5 Op
15. Modem A modem connection can be used to bridge longer distances during system monitoring and configura tion Connect the Sunways Modem with the Solar Inverter The Sunways Modem is available as an analog ISDN and GSM type ISDN ISDN analog analog analog GSM GSM analog LL GSM GSM max 100 m 1 Connect your the Solar Inverter and your PC with a crossed or 1 1 Ethernet connection cable type CAT5 with RJ45 sockets GJ In a networked system only the master should be connected to the remote modem as standard 2 Connect an external modem to your PC or if available use the internal modem of the PC For commissioning please refer to the Sunways Modem user manual G The following modem combinations are permitted ISDN ISDN analog analog analog GSM GSM analog GSM GSM 61 6 System monitoring Connecting a Sunways Modem DS W N 62 Ethernet CAN CAN INVERTER Telephone connection RS232 interface LVDS for AT and PT Solar Inverters Power supply device 6 9 Dial up connection from a PC to the Solar Inverter To establish a connection between your Solar Inverter and a PC via the modem you have to estab lish a dial up connection in Windows The procedure under Windows XP is described below 1 Run the wizard for a new connection via Start Settings Network Connections Click Next to open the first selection screen 2 Select Connect to the
16. Modem settings E mail settings Active alerting General information Alerting settings Sunways Portal connection General information Setup Technical data Drilling template for wall bracket General liability disclaimer 61 62 65 65 65 66 66 66 67 67 67 68 69 69 69 70 70 70 72 72 74 75 1 Product description 1 1 Proper use The Sunways AT 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 conformant AC current and fed into the grid Thanks to the HERIC topology with FP switching the AT Solar Inverter has a voltage curve which corresponds to that of a transformer device with an earthed negative terminal and is generally also recognized for operation on thin film modules Solar modules which require earthing of the posi tive terminal cannot be operated with the AT Solar Inverter If in doubt always ask your module manu facturer about a release 1 2 Function description Conversion from direct into alternating current The AT Solar Inverter converts the direct current produced by the solar generator into alternating current The alternating current is then fed into the public power grid Operating and display elements Various interfaces are available for system configu ration and monitoring Operating field LCD display and keyboard for displaying operating and status values or for in
17. Solarlok hand crimping pliers may be used to crimp the connectors 3 Installation During preassembly the connectors must be separated from all other voltage sources The connectors may not be separated while under load The circuit must be opened at a suit able point for this purpose Provide the lines with corresponding stickers as close as possible to the connectors to prevent confusion G Any kind of soiling dust moisture etc has a negative effect on the connector system with regard to function over the intended period of use This particularly applies to the suitability for use of the seals and the crimping of the con tacts Therefore extreme care must be taken to achieve proper processing during assembly Various circular contacts are used for different conductor cross sections with the Tyco Solar lok connectors The correct tool insert must be used in accordance with this cross section The included Tyco Solarlok connectors are equipped with circular contacts for a cable cross section of 4 mm to 6 mm The seals and clamping baskets used in the preassembled connectors are approved for cable sheath diameters from 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 hand crimping pliers can be purchased from your sales partner 17 3 Installation The following sequence must be observed during assembly 1 Stri
18. alerting options communication param eters etc 6 System monitoring Communication software update LCD dis play interfaces communication and Sunways Browser and the control software control and monitoring Access protection The Sunways Browser is provided with password protection so that unauthorised persons cannot access your Solar Inverter The following user data are set in the delivered state User customer Password Authentifizierung x D User name customer Password sooo tok It is recommended that you change this pass word to an 8 digit character password This password is identical to the password entered via the LCD display for settings and commissioning Numerals from 0 9 and letters from a z and from A Z are admissible The password always has 8 characters If the pass word you choose is fewer than 8 characters in length the remainder up to the full 8 characters is filled with symbols For example You choose Solar as your password This pass word has 5 characters The system therefore then automatically adds three symbols meaning that your password becomes Solar 65 6 System monitoring If you cannot remember the password you can request a device specific password from the Tech nical Hotline so that you can access your Solar Inverter again In this case you should be able to present proof of purchase of the Solar
19. and units from the new NT series 900 V the CAN bridge can be integrated in the AC distri bution In this case an external 24 V DC supply is required power consumption 1 5 W 24 Networking Solar Inverters via RS485 interface For joint monitoring of a solar system with Sunways Solar Inverters from the older NT generation 750 V or 850 V you can use the RS485 interface integrated in the Solar Inverters The system networked with the RS485 interface can be monitored with the Sun ways Communicator Gi Use a twisted two wire cable to network the Solar Inverters with each other Mount the terminating resistor on the last Solar Inverter NT 8000 10000 Jumper RS485MATCH NT 2600 NT 6000 Jumper JP400 Networking via RS485 interface NT 900 V or AT NT 900 V or AT sol 25 8 gt E 3 gt S S FM 212 OOUUUOBIB 3 Installation Sunways Communicator 25 3 Installation SO interface The SO pulse output enables for example the con nection of a large display Sunways Display for displaying the momentary output the energy yields and the CO reduction You can use the SO interface on the master if you want to transmit the entire line yields as a sum to a large display The SO interface is adjusted via the display on the inverter Go to the menu Settings Network Interfaces Interfaces Si O 1TC T none Strom aus u der Sonne ts F nn na al lei ___ es
20. enter numbers consecutively and digit by digit User entries can only be made if the value to be changed is selected The cursor changes visibly in the editing mode and indicates the digit to be changed key Scroll up key Scroll down key Select menu item key Back one menu level key Select menu item and confirm your entries key Cancel Operating LED The combined red green LED indicates the device status of the Solar Inverter LED off Solar Inverter is not active night mode LED green continuously lit Solar Inverter is active and feeds into power grid MPP mode LED green flashing Solar Inverter is active and feeds into power grid however with current output or temperature limitation LED red continuously lit an error has occurred malfunction LED red flashing a warning has been issued 35 5 Operation Standard screen single device The standard screen is always shown when no keyboard entry is made for more than 1 minute It can also be called up manually with the menu item Solar Inverter Instantaneous Values The standard screen shows the main data ata glance The first line shows the current feed in power The second line shows the energy fed in dur ing the current day The status line indicates the device status with the following messages MPP Feeding in MPP mode AC cur lim Feeding with AC current limitation DC cur lim Feeding with DC current limitation Tem
21. feeding and does not start up again until the error is eliminated The Solar Inverter continually monitors the grid frequency of the phase feed ing in If this lies above the permissible value the Solar Inverter stops feeding and does not start up again until the value is below the limit Your Solar Inverter continually moni tors the quality of current fed in If an increased DC share is found in the cur rent fed in the Solar Inverter stops feed ing The Solar Inverter does not attempt to feed in again until after a reset the next day Cause and possible remedies The cable cross section in the AC supply line to the Solar Inverter is too small Your inverter feeds into a spur line which is insufficiently dimensioned Check the design of your grid connec tion energy meter or the grid feed point to your Electric Utility Ask your Electric Utility about grid stability and design Ask your Electric Utility about grid stability and design Check the phases L2 and L3 Ask your Electric Utility about grid stability and design Ask your Electric Utility about grid stability and design Restart the Solar Inverter If the error still occurs please contact the technical hotline The phone number is provided on the back of the manual Display message 213 UAC1 gt 10 Warning 224 AC P fail 225 ULL err Inverter fault 301 AFl over 302 Monit Description The voltage of the phase feeding
22. gt 10 Description Your Solar Inverter is equipped with a universally sensitive AFI according to DIN VDE 0126 1 1 This monitoring device has detected a relative residual current jump of gt 30 mA Your Solar Inverter is equipped with a universally sensitive AFI according to DIN VDE 0126 1 1 This monitoring device has detected an absolute fault current of gt 300 mA Your Solar Inverter continually moni tors the quality of the AC grid During high voltage peaks on the phase feeding in the Solar Inverter stops feeding and attempts a restart If the voltage of the phase feeding in was greater than 253 V for a period of ten mi nutes the Solar Inverter stops feeding and attempts to switch on again when the grid vol tage is within the per missible range The mode of operation is conformant with DIN VDE 0126 1 1 5 Operation Cause and possible remedies A residual current jump has occurred during operation of the Solar Inverter Check your PV system for possible insulation faults A residual current has occurred during operation of the Solar Inverter Check your PV system for possible insulation faults The Solar Inverter has detected a high voltage peak on the phase feeding in After malfunction elimination the Solar Inverter restarts automatically Should the error occur frequently please contact your power supply company A monitoring phase and a directly earthed conductor were exchanged when connecti
23. in is higher than 10 above the nominal value If this is the case for longer than ten minutes the inverter stops feeding and does not switch on again until the voltage drops below this limit again Your Solar Inverter has detected a mains power failure Your Solar Inverter is equipped with a high quality redundant grid monitoring function according to DIN VDE 0126 1 1 and constantly monitors the grid If one of the phases fails or if the phase posi tion between the individual conductors changes the Solar Inverter stops feeding and does not start up again until the error is eliminated The integrated sensor for measuring the residual current has been operated outside its measuring range The AT Solar Inverter is equipped with a redundant monitoring device which con stantly checks the measured values of the controller for plausibility If a deviation or an error is detected in the process this message appears In addition this mes Sage can also appear in case of a power failure 5 Operation Cause and possible remedies The cable cross section in the AC supply line to the Solar Inverter is too small Your inverter feeds into a spur line which is insufficiently dimensioned Check the design of your grid connec tion energy meter or the grid feed point to your Electric Utility Ask your Electric Utility about grid stability and design Ask your Electric Utility about grid stability and design Check pha
24. in one day you will receive an e mail at the next full hour under the e mail address stored in the Solar Inverter The master sends the status messages of all Solar Inverters if they are CAN networked Requirements The master 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 Email settings 6 System monitoring Alerting settings The alerting settings can be accessed with the but ton Settings System Monitoring in the Active Alerting section Active Email alerting Activation or deactivation of the active alerting function Email address In the Email address field enter the e mail address to which messages should be sent Function buttons Click Send to save the settings in the Solar Inverter Click Read to display the current Solar Inverter settings 69 6 System monitoring 6 13 Sunways Portal connection General information The operating data of your solar system can be transferred to the Sunways Portal for remote moni toring via the Internet This is possible without using a Sunways Communicator The portal connection is configured via the Sunways Browser Following activation the master auto matically sends a registration e mail containing the system data e g number of devices serial
25. network at my workplace New Connection Wizard Network Connection Type What do you want to do Connect to the Internet Connect to the Internet so you can browse the Web and read email Connect to the network at my workplace Connect to a business network using dial up or YPN so you can work from home a field office or another location Set up a home or small office network Connect to an existing home or small office network or set up a new one Set up an advanced connection Connect directly to another computer using your serial parallel or infrared port or set up this computer so that other computers can connect to it lt Back Cancel 3 Confirm your selection with Next and select Dial up connection on the next screen and confirm with Next New Connection Wizard Network Connection How do you want to connect to the network at your workplace Create the following connection Dial up connection Connect using a modem and a regular phone line or an Integrated Services Digital Network ISDN phone line C Virtual Private Network connection Connect to the network using a virtual private network VPN connection over the Internet lt Back Cancel 4 A list of installed modems appears Select the required modem and click Next New Connection Wizard Select a Device This is the device that will be used to make the connection You have more than one dial up
26. number etc to the Sunways Portal After activation the operating data are e mailed to the Sunways Portal on a daily basis before the master is switched off for the night Alternatively a shorter interval can be selected If a change is made to your solar system e g additional device 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 cus tomer free of charge Expanded functions e g the setpoint actual comparison in the Sunways Portal can also be purchased for a fee The master sends the status messages of all Solar Inverters if they are CAN networked Requirements The master must be connected to the Internet via a network or modem Correct Email settings must be stored in the Sun ways Browser see Email settings Correct portal settings must be stored in the Sunways Browser 70 Setup Check whether all requirements are met Configure the specified settings if necessary Open the settings page in the Sunways Browser This can be accessed under Settings System Monitor ing in the Sunways Portal section Portal connection Activation or deactivation of the portal connection Portal address Preset for the Sunways Portal Mailbox file Preset for the Sunways Portal System ID System ID assigned by the portal This is generated automatically after portal activation and sent to t
27. pin assignment Tightening torque 0 7 Nm AN CAUTION Incorrect pin assignment may result in destruction of the unit 21 3 Installation Pin assignment for AC bayonet connector Gi The diagram shows the connections inside the AC connector as indicated by the cut out at the PE connection 1 N 2 L feed in phase 3 not used 4 not used PE protective earth conductor 4 Screw plug housing to plug To do this press the outer ring of the plug toward the plug housing Tightening torque 1 2 Nm 5 Tighten the cable gland G Make sure the line is provided with a strain relief device When using cables with a diameter lt 16 mm the line must be relieved just behind the connector Tightening torque for cable sheath diameters from 13 to 20 mm 6 to 8 Nm 22 3 3 Installing communication The interfaces are located behind the weather proof connection box on the underside of the Solar Inverter To open the connection box loose the centre screw Then carefully pull way the box toward the front After you have installed the connection cable close the box again by guiding the locking hooks into the notches in the housing and then pressing the box onto the housing Retighten the mounting screw Interface overview an Ton PURGE Ce ira oo ER m UMD ULI Doo 20 0 0 BTS EEE Ee ee 1 2 3 4 5 6 7 8 1 Ethernet connection 2 Modem connect
28. 404 CAN bus 405 CAN user 406 Solar Warning 407 Temp Warning 408 CAN com Warning 52 Description CAN bus not in operation CAN user does not respond No sensor found on sensor channel 1 solar No sensor found on sensor channel 2 temperature Communication malfunctions occur repeatedly on the CAN bus Cause and possible remedies No communication is possible via the CAN bus Check the bus lines and the terminat ing resistors Check whether the maximum permis sible line lengths have been complied with Check whether the bus lines have been routed parallel to power cables Separate bus lines and power cable from each other spatially if necessary Check whether an error has occurred in the CAN slave Restart slave if necessary If you have connected a sensor Check the connection to your sensor If you have not connected a sensor Check the configuration with the Sunways Browser If you have connected a sensor Check the connection to your sensor If you have not connected a sensor Check the configuration with the Sunways Browser A malfunction occurs in the data trans mission on the CAN bus However a data exchange continues to be possible Check whether all connectors of the bus lines and the terminating resis tors are properly mounted Check whether the bus lines have been routed parallel to power cables Separate bus lines and power cable from each other spatia
29. Inverter Overview Menu Home Displays the start page Solar Inverter Displays the instantaneous values stored operating data Solar Inverter status Solar System Displays a system overview with status total output yields and access to slaves only available if the device is con nected with the master Information Device information e g serial number Settings and software update for the device or the networked system Language selection The web pages are available in German English French Spanish and Italian Click on the respective country flag to select the language 66 Setting the date time This function can be accessed via Settings Date Time If you have selected the correct time zone and an Internet connection is available you can auto matically synchronise the time of the Solar Inverter with a time server with the NTP button Alternatively you can transfer the PC time to the Solar Inverter Ihttp fat AT Inverter Date Time Mozilla Fir Please proceed with caution for time settings as they directly affect data logging For example if you set the time back by 1 hour then the existing data for the last hour will be overwritten Software update The software update is used to extend the func tionality of your Solar Inverter The communication software responsible for LCD display interfaces communication and Sunways Browser and the control software or the monit
30. Inverter is set to 192 168 20 50 by default 6 10 Sunways Browser General information The Sunways Browser can be called up via a stand ard Internet browser e g Mozilla Firefox One of the four possible connections between a PC and the Solar Inverter is required for this purpose Direct connection via an Ethernet cable Connection via an existing internal Ethernet network Internet connection e g connection of the Solar Inverter via DSL Connection via a Sunways Modem Welcome to the Sunways browser These web pages are provided by your Sunways Solar Inverter Via the Sunways browser you can directly access your solar inverter b browser with a wel These functions are available to you depending on your access rights Overview page for your entire solar system Instantaneous values and status of individual devices or the entire system Display of status messages Display of the stored operating and yield data jolar inverter information After entering the IP address for the Solar Inverter in the address line of the browser the following functions are available Display of the operating mode and instantane ous values for a single device or for a CAN net worked system Display of energy yields as 5 minute daily monthly annual and total values 5 minute mean values of solar generator current and voltage grid current and voltage and feed in power Settings e g for date time interface configura tion
31. Memory card Device mode Current system feed in power daily energy yield and system status 5 Operation Menu selection Solar Inverter History DC values Solar Inverter History AC values Solar Inverter History AC values Solar Inverter Information Firmware Solar Inverter Information Memory Solar Inverter Information Mode The screen appears on the master automatically when you do not make any entries with the keyboard for several minutes Solar system Instantaneous values 41 5 Operation Display Description Yields Solar system only on master AC system yields and operating hours from today yesterday week and month AC system yields and operating hours from year and total value Events Solar system only on master Select starting data for system event display Events Start EE 11 2008 Display event list for entire system 10 11 919 3ervice 08 02 919 Service 15 02 919 3ervice Display event details error number data starting time duration and number of occurrences per day Solar system daily yield for 1 week 11 2008 Solar system daily yield for 15 days Plant yield Sek Wh 42 Menu selection Solar system Energy yield Solar system Energy yield Solar system Events Solar system Events Solar system Events Solar system History Yield for week Solar system History Yield for 15 d
32. V Connecting alarm relay The Solar Inverters are equipped with a potential free alarm relay as standard The relay can be designed as a make contact element or as a break contact element and is actuated for all malfunctions signalled by the device This ensures a faster more reliable indication of a possible fault in the PV sys tem on site For PV systems with several Solar Invert ers the individual relays can be switched in parallel and connected via acommon indicator lamp The master also signals faults from other devices in the CAN network via the alarm relay It is therefore sufficient for simple alerting to connect the alarm relay of the master AN CAUTION The alarm relay is designed for 230 V 2 A Higher outputs voltages can result in the relay being destroyed The connected signalling device must be fused separately The terminals are intended for a cable cross section of 0 2 mm2 to 1 5 mm2 When dimensioning the cross section also take the current consumption of the connected signalling device into account 3 Installation Wiring diagram for a single device O OIU Z Z Z Z ii Di gay So 1 Indicator lamp red 2 Indicator lamp green G The Solar Inverter is supplied by the feed in phase from the AC grid If the feed in phase fails the alarm relay cannot switch even in the event of a fault 27 4 Commissioning 4 1 Connecting and disconnecting Solar Inverter N
33. ar Inverter Events Display message Description Solar generator fault 101 U DC max Your AT Solar Inverter is approved for a maximum open circuit voltage of the Gi A restart may be attempted in the event of an error message Please note the serial number of the device and the error number before contacting the Techni cal Hotline The Technical Hotline can be contacted on 49 0 7531 996 77 577 during weekdays Cause and possible remedies The maximum DC voltage was exceeded solar generator of 680 V All components of the DC input are sufficiently dimen sioned with a safety factor If the thresh Check the dimensioning of your PV generator old is exceeded the Solar Inverter stops feeding 102 Insulat Before each connection your Solar Inverter checks the PV system for a possible earth fault or insulation faults Too many modules are connected in series Reduce the number of mo dules and carry out commissioning again The Solar Inverter has disco vered an insulation fault in the PV system during start up Should this kind of error be detected no feeding takes place The mode of operation is conformant with DIN VDE 0126 1 1 46 Check your PV system for possible insulation faults pinched off DC lines etc The measured insulation resistance must be at least 680 kohms Display message 103 AFI gt 30mA 104 AFI gt 0 3A AC network fault 201 Surge e 202 UAC1
34. at provides communication across diverse interconnected networks Cancel 10 Enter the following data Obtain an IP address automatically Obtain DNS server address automatically Internet Protocol TCP IP Properties RIES General You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings Obtain an P address automatically Use the following IP address P address 3 7 Obtain DNS server address automatically Use the following DNS server addresses Prefered DNS server 2 Altemate DNS server Advanced 11 Enter customer as the user name and the standard password 8 times star key or the password you entered previously 64 The password matches the customer password on the device Connect Sunways AT 21x lt 7 ee Eau je m User name customer Password eseese IV Save this user name and password for the following users Me only Anyone who uses this computer Dial m2356 OOOO Cancel Properties Help 12 Click Dial to establish the connection 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 In contrast to the normal IP address for a modem connection the IP address of the Solar
35. ays Display Description 2005 Solar system monthly yields Solar system AC output 5 min values HT 4500 2 AT 3600 3 Equipment info Selection of information Memory Mamoru Mode Firmware version Firmware Memory card Device mode 155585 1000 17 5 Operation Menu selection Solar system History Yield for month Solar system History AC output Solar system System info Solar system System info Solar system System info Firmware Solar system System info Memory Solar system System info Mode 43 5 Operation Display Settings General Choose language LCD contrast 50 ENSEN 1 Date Time 15 11 2008 14 17 01 Receipt time Off 01 00 OZ 00 Hew password Password EF EF FF FE Settings Login ee oe oe EE 44 Description Display language LCD contrast Set date time only possible with customer password Set receiving time starting time and duration in which the device can also be addressed in the night mode via the network only possible with customer password Changing the customer password only possible with customer password Password entry to access advanced set tings necessary for commissioning Menu selection Settings General Language Settings General LCD contrast Settings General Date Time Settings General Receiving time Settings General Password Settings
36. bles operation on a large number of silicon and thin film modules as accustomed from Sunways without the use of a transformer This user manual contains explanations on using the Sunways Solar Inverter You will learn to recognise the many possibilities of the Solar Inverter Informa tion is provided on safety installation commission ing operation and system monitoring Please observe the safety precautions exactly to ensure increased safety at the operating site of the Solar Inverter Content 1 2 3 Product description Safety precautions Installation 1 5 2 1 2 2 2 3 2 4 3 1 3 2 3 3 Proper use Function description Integration in solar system Design of solar generator Standard components of a solar system Assembly description Delivery scope General safety precautions Explanation of symbols and warnings Warnings and symbols used in this user manual Symbols used in this user manual Warnings and symbols on device Basic safety measures Safety concept Mechanical installation Requirements for installation location Installation Electrical installation Solar generator connection Grid connection Installing communication Interface overview Networking Solar Inverters via CAN bus Networking Solar Inverters via RS485 interface SO interface Connection of temperature and irradia tion sensor Connecting alarm relay 10 11 11 12 12 12 12 13 13
37. browser in conjunction with the Sunways Browser These warnings are non critical and can be ignored if they only occur occasionally These warnings have no influence on the energy production of the inverter Firewall port 123 is blocked Select an alternative time server 53 5 Operation Display message Description Service fault 9xx Service A service fault has occurred fault 9xx Service warning 54 Cause and possible remedies Disconnect the Solar Inverter from the grid and from the solar generator and reconnect it If the error occurs again please contact the Technical Hotline The phone number is provided on the back of the manual 6 System monitoring 6 1 General information The basis for the system monitoring is the data log ger integrated in the AT Solar Inverter The Solar Inverters of the AT series are equipped with a broad range of monitoring options for your solar system The Sunways Browser offers the display of instantaneous values stored operating data and settings With active alerting the master can send errors which have occurred in the solar system to a selected recipient by Email With the Sunways Portal connection the AT Solar Inverter can send the operating data of your solar system to the Sunways Portal daily without additional hardware This enables you to track your yields via the Internet One of the four possible connections between a PC and the Solar Inverter is pos
38. check the correctness of your entries and the status of your connection L Local Area Connection Status 4 Local Area Connection Status 6 System monitoring After the network configuration is completed you can start the Sunways Browser 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 administrator 59 6 System monitoring 6 6 Connection via an existing Ethernet network If an existing home or company network is available you can integrate the AT Solar Inverter directly in the network as a network device Connect your PC and the Solar Inverter with a CAT5 Ethernet cable with 1 1 RJ45 sockets The master is connected to the network as standard Slave Master Max Ethernet connection 100m INVERTER INVERTER Max total CAN bus length ET 2g TER With DHCP If a DHCP server is present in your network you can activate DHCP on the Solar Inverter In this case the Solar Inverter obtains the network settings automat ically You can display the assigned IP address via the LCD display menu Settings Network Ethernet Without DHCP If there is no DHCP server in your network you must set an unused IP address on the AT Solar Inverter see 6 4 Network settings on Solar Inverter on page 57 Ask your network administrator for suitable settings for IP address net mask and gateway
39. d secured against being switched on again The malfunction must then be eliminated immediately Warranty and liability The Sunways AG General Terms and Conditions of Sale and Delivery always apply Warranty and liabil ity claims for personal injury or damage to property are excluded if they were caused by one or more of the following Improper use of the Solar Inverter Improper installation commissioning operation and maintenance Operation of the Solar Inverter with defective and or non operational safety and protective equipment Failure to observe the information in the user manual regarding installation commissioning operation and maintenance Unauthorised constructional modifications Insufficient monitoring of wearing parts Improperly conducted repairs Emergencies caused by external influence or force majeure 11 2 Safety precautions 2 2 Explanation of symbols and warnings To help you quickly understand this manual and safely use the Solar Inverter the following warnings and symbols are used Warnings and symbols used in this user manual DANGER This symbol indicates an immediate danger which will result in death injury or serious damage if the applicable safety regulations are not followed Extreme danger from electric shock This symbol indicates an immediate danger from electric shock which will result in death injury or serious damage if the applicable safety regulations are not followed
40. death All electrical work must be conducted by a quali fied electrician while observing the VDE regula tions national and other regulations Execute the direct current wiring in accordance with the system dimensioning of your planning expert Prepare all solar generator cables before you carry out the connection of the solar generator to the Solar Inverter Check each solar generator string for proper operation with an open circuit voltage and short circuit current measurement Check using the rating plate on the Solar Inverter whether it is approved for the maximum solar generator voltage 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 structure etc must be earthed connection with PE Check the solar generator against short circuits to earth Before connecting the solar generator to the Solar Inverter the integrated DC load break switch must be opened quickly position 0 After the PV solar generator is connected to the Solar Inverter and the DC load break switch is switched on the direct generator voltage is present internally The connectors may not be separated while under load 16 Always separate the grid connection first by switching off the corresponding mains fuse and then the solar generator side by quickly opening the DC load break switch Survey The solar generator can b
41. device on your computer Select the devices to use in this connection 18 Modem Standard 56000 bps Modem COM1 lt Back Cancel 5 Enter a connection name and click Next New Connection Wizard Connection Name Specify a name for this connection to your workplace Type a name for this connection in the following box Company Name Sunways AT For example you could type the name of your workplace or the name of a server you will connect to lt Back Cancel 6 Specify the phone number for your Sunways Solar Inverter New Connection Wizard i Phone Number to Dial What is the phone number you will use to make this connection Type the phone number below Phone number far 234567 You might need to include a 1 or the area code or both If you are not sure you need the extra numbers dial the phone number on your telephone If you hear a modem sound the number dialed is correct lt Back Cancel 6 System monitoring When entering the telephone number you may have to include one or more digits to connect to an outside line An outside line is usually obtained by placing a 0 before the actual tel ephone number Click Next Click the checkbox to place a shortcut on your desktop and click Finish New Connection Wizard Completing the New Connection Wizard You have successfully completed the steps needed to create the following co
42. e directly connected to the Solar Inverter with two strings The connection is made via the shockproof Tyco Solarlok plug in con nection system accessible from outside The Solar Inverter has two electrically connected DC inputs which are arranged in pairs on the underside G The solar generator strings must be identically dimensioned and comply with the specifications of the Solar Inverter No external DC load break switch is required A DC load break switch as required in accordance with DIN VDE 0100 712 is integrated in the Solar Inverter 1 Connection of solar generator string 1 2 Connection of solar generator string 2 3 DC load break switch Tyco Solarlok plug in connection system The Solarlok plug in connection system is used for the simple reliable connection of individual solar generators up to the Solar Inverter Components The following connectors are used Positively coded connector The neutral connector can be used to connect both positively and negatively coded sockets Installation Extreme danger from electric shock Touching live parts can result in death All electrical work must be conducted by a quali fied electrician while observing the VDE regula tions national and other regulations Tyco Solarlok connectors are only reliable for connection on permanently installed lines Only the Tyco
43. ectrical work on the Solar Inverter must be con ducted by a qualified electrician while observing the VDE regulations national and other regulations The Solar Inverter may only be opened by persons authorised by Sunways AG to do so When circuit breakers are tripped the fault cause must be determined and eliminated before return ing the device to operation Check electrical equipment regularly Retighten loose connections Replace damaged lines cables immediately 2 Safety precautions 2 4 Safety concept The following parameters are monitored and displayed continuously and simultaneously by the inverter controller DC overvoltage Overvoltage L1 L2 L3 Undervoltage L1 L2 L3 Isolated operation Over underfrequency L1 Surge error brief overvoltage L1 DC share in AC current AFI residual current Overtemperature of heat sink When a malfunction occurs feeding is immediately interrupted and the Solar Inverter disconnects from the grid by triggering the grid relay The potential free alarm relay is switched except for grid undervoltage L1 In addition the following protective equipment in accordance with overvoltage category Ill is provided on the grid and on the solar generator side Grid side varistors These protect the power semiconductors in case of high energy short term voltage peaks in the grid and provide for an energy reduction in reac tor in case of a grid disconnection Generator side
44. en 2 99 Commissioning cannot continue until an ID has been requested from the master Completion of commissioning Confirm overview with Carry out commissioning for all other slaves as described above 33 4 Commissioning Later commissioning If you add new devices or replace existing ones in your solar system then you can display the device list in the display on the master under Settings Network CAN bus The new device can then be put into operation in accordance with the descrip tion for commissioning slaves 34 5 Operation 5 1 Operating elements Operating field The Solar Inverter is operated via the operating field on the front 1 LCD display lighted 2 Operating LED 3 Keyboard LCD display A graphics capable monochrome dot matrix display is integrated in the oper ating field In standard operation the momentary output daily yield and status are displayed The bar graph shows the energy feed in of the current day Press any key to activate the display lighting If no key is pressed for approx 1 minute the display lighting goes out G Important The LCD display is not a calibrated measuring device It is characterised by a slight system dependent difference of a few percent Exact accounting of the data with the power supply company requires a calibrated meter Keyboard The keyboard can be used to navigate in the menu edit text fields select entries from lists and
45. enter an existing user name with the correct password to assign the system to an existing user account 6 System monitoring 71 7 Appendix 7 1 Technical data Model AT 2700 AT 3000 AT 3600 AT 4500 AT 5000 Article no SI227ATOB SI230ATOB SI250ATOB SI245ATOB SI250ATOB DC Input Rated DC power 2850 W 3150 W 3800 W 4750 W 5250 W Maximum DC current 15 5 A 15 5 A 15 5 A 22 0 A 22 0 A Nominal DC voltage 350 V MPP voltage range 181 V 600V 203 V 600 V 242 V 600V 214 V 600 V 236 V 600 V Maximum voltage DC 680 V Number of inputs per MPP tracker 2x Tyco Solarlok Number of MPP trackers 1 AC output Rated AC output power 2700 W 3000 W 3600 W 4500 W 5000 W Maximum AC power 2700 W 3000 W 3600 W 4500 W 5000 W Nominal AC current 11 7 A 13 0A 15 7 A 19 6 A 21 7 A Maximum AC current 12 5 A 14 0 A 17 0 A 21 0 A 23 0 A Nominal frequency 50 Hz Frequency tolerance range 47 5 Hz 50 2 Hz according to DIN VDE 0126 1 1 Grid voltage 230 V AC voltage range 20 15 according to DIN VDE 0126 1 1 Distortion factor at Pn lt 4 Reactive power factor cos phi ca 1 Grid voltage monitoring single phase according to DIN VDE 0126 1 1 Earth fault protection RCD according to DIN VDE 0126 1 1 Insulation frequency and DC integrated according to DIN VDE 0126 1 1 current monitoring Required phases number of grid 1 L N PE connections Number of feed in phases 1 230 V single phase Performance Stand by consumption 6 5 W Nig
46. er The settings can be accessed via Settings Network in the Email Settings section G Requirements When dialling in via modem the correct dial up settings must be stored see Internet dial up via modem 68 192 166 110 208 SMTP provider SMTP server for sending e mails e g mail gmx net max 30 characters Alternatively an IP address can be entered SMTP user User name for your e mail provider generally your e mail address e g sunways gmx de max 50 characters SMTP password Password for your e mail provider Function buttons Via SMTP Test you can send a test e mail to the e mail address stored for active alerting GJ Before conducting the SMTP test the settings must be stored in the Solar Inverter with Send During the SMTP test an e mail is sent to the e mail address stored in the monitoring system active alerting Before starting the test check whether a valid e mail address is stored under active alerting If the configured SMTP server does not use a login the user and password fields must be left blank Click Send to save the settings in the Solar Inverter Click Read to display the current Solar Inverter settings 6 12 Active alerting General information With active alerting you can receive status mes sages errors and warnings for your solar system by e mail If a status message was active for longer than 15 minutes or occurred 5 times
47. eration 5 3 Menu structure The menu provides access to all Solar Inverter screens Open the main menu by pressing the left arrow key twice from the standard screen Instantaneous values Energy yield Events History Information Instantaneous values Solar Inverter Energy yield Solar system KCNC 3 Events System history System info Settings General information Login Network Commissioning Change country Self testing G The areas highlighted in grey are only available in the master after entry of customer password Standard password 8 times star key This is only shown if the configured country of installation is Italy 38 START Standard screen Instantaneous values 1 Instantaneous values 2 Yield for week Yield for 15 days Yield for month AC output DC values AC values Yield for week Yield for 15 days Yield for month Total output Firmware Memory Mode Language LCD contrast Date Time Receiving time Firmware New password Ethernet CAN bus Interfaces 5 4 Overview of screen displays Display Description Instantaneous Values Device Actual values 1 16 C 397 166 9 398 187 1 Current feed in power daily energy yield and device status MPP Feeding in MPP mode Display of voltages and currents from solar generator and grid Interior temperature of device Temp Inv and temperature and irradiation value
48. he Solar Inverter It can take up to 4 minutes before the Solar Inverter displays the system ID Portal Email Preset for the Sunways Portal Alternatively you can enter a different address if you wish to analyse the operating data yourself Email interval Select the e mail interval If you operate the system on a DSL modem you can set a short interval If you use a modem connection select a longer interval e g daily to avoid excessive telephone charges User Email Enter an e mail address for the confirmation e mail sent by the portal It contains a link for activating your system in the Sunways Portal User SMS As an option you can specify an SMS number to which an SMS message is sent after your system is successfully set up in the portal Function buttons With Portal Test you can test the portal connec tion You receive an e mail at the address specified under User e mail and an SMS if you have entered your mobile phone number under User SMS G Before the portal test you must transmit the settings to your Solar Inverter via Send If the test was suc cessful a message is sent to the user e mail address or the user SMS address Click Send to save the settings in the Solar Inverter To view your system data in the Sunways Portal you require 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 Alternatively you can
49. ht time consumption lt 0 06 W Maximum efficiency 95 5 95 5 95 5 95 5 95 5 European efficiency 94 7 94 8 94 9 95 0 95 0 MPP efficiency static gt 99 gt 99 gt 99 gt 99 gt 99 Switching concept HERIC FP topology transformerless 72 Other DC switch Grid connection fuse layout Data interfaces Sensor interfaces Display Plant supervision IP degree of protection according to IEC 60529 Max relative humidity Cooling Ambient temperature Overload behaviour Dimensions height x width x depth weight Type of installation Noise development Standard warranty option Certificates 7 Appendix internal mechanical 16 A 16 A 25 A 25 A 32 A Ethernet CAN RS485 voltageless alarm relay SO pulse output modem irradiation temperature LCD backlit 128 x 64 pixels Active alarm via e mail Sunways Browser Sunways Portal IP 54 95 free convection 25 C 40 C at full load working point adjustment 59x35x21cm 29 kg wall installation lt 35 dB A 5 years 10 15 20 25 years CE DIN VDE 0126 1 1 73 7 Appendix 7 2 Drilling template for wall bracket You can use the following template to install the wall bracket AII distances and measures are shown on this drawing 175 300 330 74 73 General liability disclaimer Although information contained in this manual has been checked with the greatest care for its accuracy and co
50. ion 3 CAN bus 4 SO interface pulse output e g for large display 5 Connection for temperature and irradiation sensor 6 RS485 interface 7 Connection for alarm relay Networking Solar Inverters via CAN bus Solar Inverters from the NT AT und PT series can be networked via the CAN bus interface Use the included Ethernet cable to network the Solar Invert ers with each other Connect a terminating resistor at the first and last Solar Inverter in the series The pluggable terminating resistors are included in the delivery 1 Terminating resistor The total length of the CAN bus depends on the selected bit rate The following table shows the pos sible bit rates and the resulting bus lengths Bit rate Bus length 100 kbit s 650 m 125 kbit s 500 m 250 kbit s 250m 500 kbit s 100 m 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 Bus length Number of nodes 32 100 m 0 25 mm or AWG 24 250 m 0 34 mm or AWG 22 500 m 0 75 mm or AWG 18 3 Installation GJ When Solar Inverters from different series are net worked the bit rate in all units must be identical The rate can be set via the Solar Inverter display or the Sunways Browser Setting the bit rate via the display menu Settings Network CAN Bus Baud rate Baud rate Diagnosis 200 KB 700m Up to 99 NT PT and AT series units can be net
51. language Confirm selected language with 3 Select the country Germany Confirm the country of installation Confirm Country Country Germany MEG Ho Your Solar Inverter will only start feeding electricity once the country of installation has been confirmed 4 Select Master with Commissioning 32 Confirm with G The other devices in the CAN network are automati cally configured as slaves 5 Set the data and time centrally for all connected devices G Please proceed with caution for time settings as they directly affect data logging For example if you set the time back by 1 hour then the existing data for the last hour will be overwritten Select date with 4 Change selected number with amp and jump to next number with Save the set date with then set the time accordingly DaterTime 15 11 008 14 17 01 Save the set time with 6 CAN network list is set up G Depending on the size of the network it may take a moment until the master has found all slaves and added them to the list Devices total number of devices found in CAN network including master In network number of configured devices including master After the master has found all connected slaves these must be configured before commission ing of the master is continued The device list is updated and extended whenever a slave is configured In network AT 5000 5
52. lly if necessary Display message 409 CAN cfg Warning 410 SMTP ser 411 SMTP no soc 412 SMTP cm 413 DNS failed 414 HTTP client 415 HTTP auth 416 HTTP Tim 417 HTTP no soc 418 HTTP no socket 419 HTTP method 420 HTTP protocol 421 HTTP write error 422 HTTP read error 424 Time syn Warning Description CAN bus is in the configuration mode No measured values are transferred Warning SMTP server cannot be reached 410 Warning SMTP no socket available 411 Warning SMTP faulty communication with server 412 Warning DNS has failed 413 Warning HTTP client connection has failed 414 Warning HTTP client authorisation has failed 415 Warning HTTP client timeout 416 Warning HTTP client no socket available 417 Warning HTTP client error with socket 418 Warning HTTP client incorrect method 419 Warning HTTP client error with protocol 420 Warning HTTP client write error 421 Warning HTTP client read error 422 Warning Time synchronisation with the NTP server has failed 5 Operation Cause and possible remedies At least one device is in the menu item Settings Network CAN bus Close this menu for all devices Fault during e mail delivery Re attempt e mail delivery If the fault recurs check the e mail settings via the Sunways Browser Communication fault between the integrated web server and an Internet
53. mpleteness not liability whatsoever can be accepted for errors or omissions Sunways AG reserves the right to change the hardware and software features described here at any time without prior notice This manual may only be reproduced passed on copied or translated into other languages in whole or in part in any form or with any means the prior written approval of Sunways AG Sunways AG shall assume no guarantee for dam age caused by faulty or lost data due to incor rect operation or the malfunction of the Solar Inverter the software additional devices or PCs All rights reserved Sunways AG The products named on the cover page are pro tected by copyright and sold under licence No part of this document may be reproduced in any form without prior written approval of Sunways AG and the Sunways licensors Registered trademarks The Sunways logo is a registered trademark of Sun ways AG Konstanz HERIC is a registered trademark of Fraunhofer Gesellschaft Munich 7 Appendix 75 7 Appendix 76 C amp F Werbung und Dokumentation Villingen Schwenningen www cundf de 71 Sunways AG Photovoltaic Technology Macairestra e 3 5 78467 Konstanz Germany Phone 49 0 7531 996 77 0 Fax 49 0 7531 996 77 444 email info sunways de www sunways de Technical Hotline Germany 49 0 7531 996 77 577 Spain 34 93 665 20 40 S Photovoltaic Technology D130312A 09 10 EN
54. ng the AC side The cable cross section in the AC supply line to the Solar Inverter is too small Your inverter feeds into a spur line which is insufficiently dimensioned Check the design of your grid connec tion energy meter or the grid feed point to your Electric Utility Ask your Electric Utility about grid stability and design 47 5 Operation Display message 203 UAC1 gt Max 205 UAC2 gt Max 207 UAC3 gt Max 204 UAC1 lt Min 206 UAC2 lt Min 208 UAC3 lt Min 209 1sol op 210 Frq1 gt Max 211 Frq1 lt Min 212 DC share 48 Description Your Solar Inverter continually monitors the voltage level of the phases L1 L2 and L3 When the maximum permissible limit is exceeded the Solar Inverter stops feeding and does not start up again until the voltage value drops below the maxi mum permissible limit Your Solar Inverter continually monitors the voltage level of the phases L1 L2 and L3 When the minimum permissible limit is dropped below the Solar Inverter stops feeding and does not start up again until the voltage value exceeds the minimum permissible limit If the voltage drops below 160 V the Solar Inverter cannot be supplied You Solar Inverter is equipped with a high quality redundant grid monitoring function according to DIN VDE 0126 1 1 and constantly monitors the grid If one of the phases fails or if the phase posi tion between the individual conductors changes the Solar Inverter stops
55. nnection 012345 Share with all users of this computer The connection will be saved in the Network Connections folder rta intricati tatti 4 To create the connection and close this wizard click Finish lt Back Cancel The connection window appears automati cally once the connection has been established Alternatively via the icon on your desktop or via Start Settings Network Connections Further settings are required in the Properties section Connect Sunways AT 2 xi LT User name customer Password essees nussseseeneesezzesazezesezesaeaseeeesaeezeananezeazenienene aan nen ee azz aneanea nane naa nanna sana ze nen e ananas ine nas ireanea sana nee nani Me only Anyone who uses this computer Dial PT Cancel Properties Help 63 6 System monitoring 9 First click the Networking tab and select Internet Protocol TCP IP Select Properties Sunways AT Properties 2 xi General Options Security Networking Advanced Type of dial up server am calling PPP Windows 95 98 NT 4 2000 Internet Settings This connection uses the following items x Internet Protocol TCP IP m 005 Packet Scheduler O a File and Printer Sharing for Microsoft Networks Client for Microsoft Networks Install Uninstall Properties Description Transmission Control Protocol Internet Protocol The default wide area network protocol th
56. o prevent them from heating each other 14 Ensure sufficient heat dissipation when installing the Solar Inverter in a switch cabinet or closed room The ambient temperature may not drop below or exceed 25 C and 40 C respectively At ambient temperatures above 40 C the inverter automati cally reduces its output The Solar Inverter must not be exposed to direct sunlight to protect it from unnecessary external warming Ceiling Wall 300 mm 300 mm gt 300 mm 3 Installation Installation 6 Secure the Solar Inverter by tightening the lock Proceed as follows to install the Solar Inverter ing Screw 1 Hold the wall bracket at the point at which you want to attach the Solar Inverter and mark the mounting holes New IM SIMO IO 2 Drill the holes with a 10 mm dia drill bit A drill ing template with exact dimensioning can be found in the appendix 3 Install the wall bracket with corresponding screws and dowels depending on the surface condition 4 Unscrew the locking screw of the Solar Inverter at the lower left with an Allen key UI Hook the Solar Inverter into the cut outs of the installation frame at the top on both sides 15 3 Installation 3 2 Electrical installation Solar generator connection Extreme danger from electric shock Touching live parts can result in
57. olar Inverter with the included Ethernet cable X patch cables can also be used The PC is connected to the master as standard Basi cally all Solar Inverters including Solar Inverters configured as secondary units or single units dis pose of an own web server so that a connection can be established with each device Slave Master Max Ethernet connection 100 m INVERTER INVERTER Max total CAN bus length 500 m Gi To always find the suitable configuration for installation and commissioning on the PC we recommend the use of a second network card e g PCBus PCMCIA which you can configure to match the default setting of the Solar Inverter The PC and the Solar Inverter must have suitable IP addresses and net masks The network set tings can be adjusted either directly on the Solar Inverter via the LCD display or on your PC If two network cards are used the IP addresses must be in separate subnets e g 192 168 30 XXX and 192 168 40 XXX 56 6 4 Network settings on Solar Inverter G The Solar Inverter is supplied with the following preset IP address 192 168 30 50 In the default setting the Solar Inverter does not support a DHCP Dynamic Host Configura tion Protocol Therefore the IP address is not assigned automatically It is possible to activate the DHCP protocol via the Settings menu IP addresses may only be assigned once within the network If required you can a
58. opped This warning appears when the current heat sink temperature is just below the switch off threshold No country is set Interface communication fault 401 SD card 402 SD card 403 CAN user The Solar Inverter cannot find an SD card The SD card is write protected Communication error with CAN user 5 Operation Cause and possible remedies The maximum permissible ambient tem perature has been exceeded The installation location is not suit able Please find another installation location The necessary air circulation was not taken into account during installation Clean the Solar Inverter if dirt pre vents cooling Observe the installation distances specified in the manual Objects were laid on the heat sink and unimpaired convection was prevented Remove the objects Contact the technical hotline for the installer password The phone number is provided on the back of the manual Reset the country according to the explanatory note bee 4 2 Commissioning Restart the Solar Inverter If the error still occurs please contact the technical hotline The phone number is provided on the back of the manual Restart the Solar Inverter If the error still occurs please contact the technical hotline The phone number is provided on the back of the manual Check whether an error has occurred in the CAN slave Restart slave and master if necessary 51 5 Operation Display message
59. oring software can be updated 1 Select Settings Software Update This func tion requires entry of a password default 8 times star key or the password you entered previously 2 The upper screen section shows the current software versions If a new version is available on our website www sunways de you can download the file and load it via the Sunways Browser Select the file on your hard disk via the Browse button and confirm with OK 3 Then select the software you want to update communication software control software or monitoring software 4 Click Update to copy the software update to the Solar Inverter 5 Click Reboot to reboot the device and load the new software gt http at AT Inverter Software update Mozilla Firefox File x Alternatively the system update may be distributed to the slaves via the software master Please con tact our Technical Hotline for further information The phone number is provided on the back of the manual 6 System monitoring 6 11 Internet dial up via modem Modem settings If you use amodem to connect to the Internet the modem must be set up via the Sunways Browser First establish a connection between your PC and the Solar Inverter see section Direct Ethernet con nection Enter the following settings via Settings Modem in your web browser http at AT Inverter Modem settings Mozil P 63 i 01920788 050 000 000 000
60. our system This can lead to major decreases in yield Standard components of a solar system Depending on the recommendations of your PV planning expert your PV system consists of the fol lowing components NUNVN Solar generator 2 Solar Inverter with integrated DC load break switch 3 Mains fuse and energy meter Options 4 Irradiation sensor with integrated temperature sensor 5 PC for monitoring system 6 Large display QUI BW N 1 Product description 1 4 Assembly description 585 1 20 _ O L Eee Do Esito ee l Enere Operating field with LCD display operating LED and keyboard DC connections DC load break switch Rating plate AC connection Communication interfaces 1 Product description 1 5 Delivery scope The delivery consists of Sunways Solar Inverter of the AT Series Installation frame 2 pairs of Tyco Solarlok plug in connectors AC connector CAN terminating resistor connector connected Ethernet cable 2 m CAT 5e 1 1 Warranty card Setup CD ROM including Manual Sunways Sundim design program product and service information Checking delivery Before shipment our products are checked for proper condition Despite careful recyclable pack ing transport damage may occur for which the transport company is generally responsible Please check the delivered Solar Inverter thoroughly Should you disco
61. p lim Feeding with temperature limitation Output lim Feeding with output limitation Feed Feeding Warning A warning Is active Error An error has occurred Night Night mode Start Device initialisation phase COM Upd The communication software is being updated DSP Upd The control software is being updated The graphic in the lower section of the screen shows the output curve for the current day as a bar graph The current period is shown as a flashing bar as it is still increasing 36 Standard screen system This screen shows the system data for a CAN net worked system 3 5K 36 92K Wh MPP Next to the total current system output you also see the energy yield of your solar system and any status messages of all connected devices These are provided with the inverter number M means that the error has occurred in the master G The various functions are accessed via the menu The main menu is opened from the standard screen by pressing twice You can always return to the standard screen by pressing and holding the gt key If a status message is shown then you can open the error list directly with You can access other instantaneous values from the standard screen with and 5 2 Access rights Operation of the Solar Inverter is divided into vari ous areas protected with passwords The password has 8 digits or characters The password can be entered in the menu item Set tings Login
62. pping the voltage free line mn O 2 Crimping on the circular contact with the Tyco Solarlok hand crimping pliers BUT 3 Sliding the cable gland onto the line and engag ing the contact in the connector housing 4 Tightening the cable gland with 1 5 Nm j Handling The positively negatively coded connectors are marked with polarity symbols and a coloured ring blue negative red positive They are equipped with coding ribs for assignment which ensures that only connectors of the same polarity can be con nected to each other Connecting socket and plug The system is only cor rectly locked if the locking hooks are recessed flush in the mating piece i DEI AX CAUTION The connectors may not be separated while under load The circuit must be opened at a suitable point for this purpose Release the locking device by pressing on the rib bing of the locking hooks and pulling them apart Connection example Solar module box Negatively coded socket Negatively coded plug Positively coded socket Neutral connector Solar inverter QUI SWN 3 Installation 3 Installation Grid connection Extreme danger from electric shock Touching live parts can result in death All electrical work mu
63. putting system parameters Operating LED Integrated web server for display and configura tion via a web browser Interfaces Bus interface for connecting an analogue modem ISDN modem or GSM GPRS modem Ethernet interface for connecting a PC or for integration in existing networks CAN bus interface for interconnecting several Solar Inverters SO pulse output for controlling large displays Alarm relay for realising simple monitoring locally Interface for connecting an irradiation and tem perature sensor Data logging The AT Solar Inverter is equipped with internal data logging for recording and saving system data 5 minute mean values of voltages currents output temperature and irradiation if sensor is installed 5 minute daily monthly and annual values of energy yield Memory for malfunction messages Grid monitoring The AT Solar Inverter assumes the task of grid moni toring for the protection of the device and persons In case of abnormal grid conditions feeding is immediately interrupted and the Solar Inverter dis connects from the grid by triggering the grid relay Design of Solar Inverter The principle design of the AT Solar Inverters can be recognised from the block diagram The most important characteristic of the inverter is the earth ing of the solar generator i e the negative terminal is directly connected to the neutral conductor on the grid The solar generator voltage connected to the in
64. remedies The maximum permissible ambient tem perature has been exceeded The installation location is not suit able Please find another installation location The necessary air circulation was not taken into account during installation Clean the Solar Inverter if dirt pre vents cooling Observe the installation distances specified in the manual Objects were laid on the heat sink and unimpaired convection was prevented Remove the objects Restart the Solar Inverter If the error still occurs please contact the technical hotline The phone number is provided on the back of the manual Restart the Solar Inverter If the error still occurs please contact the technical hotline The phone number is provided on the back of the manual The ambient temperature of the Solar Inverter is outside the permissible range lt 25 C Wait until the temperature reaches the permissible operating range A cable break has occurred in the sensor which monitors the heat sink temperature Please contact the technical hotline The phone number is provided on the back of the manual Display message 307 Overtmp Warning 310 no config Description Your Solar Inverter is designed for an ambient temperature of up to 40 C When a specified temperature threshold of the heat sink is reached the output power is reduced linearly Should the heat sink temperature nevertheless continue to increase feeding is st
65. s if sensor is connected AC yields and operating hours from today yesterday week and month AC yields and operating hours from year and total value 5 Operation Menu selection The screen appears automatically when you have not made any entries with the keyboard for several minutes Solar Inverter Instantaneous values Solar Inverter Instantaneous values Solar Inverter Instantaneous values Solar Inverter Energy yield Solar Inverter Energy yield 39 5 Operation Display Events Device Start BEY 11 2008 10 11 919 4ervice 08 07 919 Service 15 02 919 4ervice 242kivh 40 11 2008 Description Select starting data for event display Display event list Display event details error number data starting time duration and number of occurrences per day Daily yield for 1 week Daily yields for 15 days Monthly yields AC output 5 min values DC voltage 5 min values Menu selection Solar Inverter Events Solar Inverter Events Solar Inverter Events Solar Inverter History Yield for week Solar Inverter History Yield for 15 days Solar Inverter History Yield for month Solar Inverter History AC output Solar Inverter History DC output Display Description DC current 5 min values 15 11 08 AC current 5 min values AC voltage 15 11 08 AC voltage 5 min values Firmware
66. s via AC terminal 2 If several Solar Inverters are operated in parallel in a 3 phase grid AC terminal 2 of the device must be distributed uniformly among the grid phases L1 L2 and L3 to avoid unequal loading 3 phase grid connection 3 phase AC connection L1 eh FEN 46 0O D Inverter 1 Inverter 2 Inverter 3 1 phase grid connection AC connection a a a Inverter 1 Inverter 2 Inverter 3 A corresponding circuit breaker is recommended as a line protection element in the grid feed direction AT 2700 16 A AT 3000 16 A AT 3600 25 A AT 4500 25 A AT 5000 32 A with slow blow characteristic B 3 Installation GJ Depending on the grid operator and the feed point a three phase meter or a single phase meter must be used Some grid operators require the use of a reverse current capable meter AC bayonet connector The AC bayonet connector is permissible for cable sheath diameters from 13 mm to 20 mm The following sequence must be observed during assembly 1 Strip the voltage free line and the cable ends 52 5 PE 55 ne Eu For lines with a cable sheath diameter from 16 to 20 mm the cable gland must be adapted accord ingly To do this cut out the inner section of the blue sealing ring 2 Slid the cable gland and the plug housing onto the line 3 Connect the cable ends to the plug terminals in accordance with the
67. ses L2 and L3 Ask your power supply company PSC about grid stability and design A residual current was detected during start up Restart the Solar Inverter If the error still occurs please contact the technical hotline The phone number is provided on the back of the manual Restart the Solar Inverter If the error still occurs please contact the technical hotline The phone number is provided on the back of the manual 49 5 Operation Display message 303 Overtmp 304 Grid re 305 AFl test 306 T meas 50 Description Your Solar Inverter is designed for an ambient temperature of up to 40 C When a specified temperature threshold of the heat sink is reached the out put power is reduced linearly Should the heat sink temperature neverthe less continue to increase feeding is stopped After the heat sink temperature drops the Solar Inverter starts up again automatically The AT Solar Inverter checks the opera tion of the mains relay prior to every switch on An error was detected during this check The AT Solar Inverter checks the opera tion of its residual current monitoring device prior to every switch on An error was detected during this check The AT Solar Inverter is equipped with a temperature sensor that monitors the heat sink temperature This message appears if the sensor reports a value out side its value range or in case of a sensor cable break Cause and possible
68. sible for this purpose Direct connection via an Ethernet cable or inter nal network G The Solar Inverter is unable to send e mails via a direct connection Portal connection and active alerting is therefore not possible Connection via the Internet e g connection of the Solar Inverter to a DSL connection Connection via a Sunways Modem 6 2 Integrated data logger The integrated data logger of the AT Solar Inverter stores the operating data of your solar system In addition to 5 minute mean values energy yields are also stored as 5 minute daily weekly monthly and annual values Up to 200 status changes warnings and errors with start and end are also stored Each data record contains the data and time The data logger is designed as a circulating memory i e the respective oldest data are overwritten with new data Operating data 5 min mean values Number Value 2000 DC current 2000 DC voltage 2000 AC current 2000 AC voltage 2000 AC output 2000 Device temperature 2000 Module irradiance optional 2000 Module temperature optional Energy yields Number Value 2000 5 minute yield 800 Daily yield 800 Weekly yield 250 Monthly yield 20 Annual yield Status messages Number Value 200 Status changes 55 6 System monitoring 6 3 Direct Ethernet connection The Solar Inverters are equipped with an Ethernet interface as standard for system monitoring and configuration with a PC Connect your PC and the S
69. ssign your own IP address for the Solar Inverter via the Settings menu 1 Open the menu Settings Login 2 Enter the default password 8 times star key or your chosen password G Please note Numerals from 0 9 and letters from a z and from A Z are admissible The password always has 8 characters If the pass word you choose is fewer than 8 characters in length the remainder up to the full 8 characters is filled with symbols For example You choose Solar as your password This password has 5 characters The system therefore then auto matically adds three symbols meaning that your password becomes Solar 3 Open the menu Settings Network Ethernet 6 System monitoring 4 Enter an IP address suitable for use with your PC This means the first three number blocks must be identical and the last number block different Eihernet 1 DHCP IP address 197 166 030 0 Example If your PC has the IP address 192 168 1 1 enter 192 168 1 2 for your Solar Inverter 5 Use kw to access further settings Ethernet 2 Subnet mask 255 255 255 000 Gateway 197 168 030 6 Enter the subnet mask 255 255 255 0 7 Enter the IP address of your PC in the gateway 8 Confirm with After the network configuration is completed you can start the Sunways Browser by entering the IP address of the Solar Inverter in the address line of your web browser 57
70. st be conducted by a quali fied electrician while observing the VDE regula tions national and other regulations Observe the pin assignment of the AC bayonet connector An incorrect assignment can result in the device being destroyed No consumers may be connected to the supply line from the Solar Inverter to the mains fuse Always separate the grid connection first by switching off the corresponding mains fuse and then the solar generator side by quickly opening the DC load break switch G If the voltage on the AC connection exceeds the permissible value due to a long line length or an insufficient cable cross section the Solar Inverter will disconnected from the grid In power grids with a low output and a high solar generator output this can lead to individual Solar Inverters being switched off and then on again several times Survey An AC bayonet connector on the underside of the unit is used for the three wire grid connection L N PE of the Solar Inverter The grid connection should always be 1 phase Feeding is single phase via AC terminal 2 20 1 DC load break switch 2 AC connection A basic distinction is made between two different connection options of the Solar Inverter to the pub lic power grid 3 phase AC grid e g Germany 1 phase AC grid e g Italy Spain AN CAUTION Observe the regional regulations for the grid connection G The Solar Inverter always only feed
71. th then set the time accordingly Date Time 15 11 2008 14 15 01 Save the set time with 29 4 Commissioning 6 Set password Select password Default password is KKKK XX Xx Xx Xx A new password can be set with 0 K0 00 as an option G Please note Numerals from 0 9 and letters from a z and from A Z are admissible The password always has 8 characters If the pass word you choose is fewer than 8 characters in length the remainder up to the full 8 characters is filled with symbols For example You choose Solar as your password This password has 5 characters The system therefore then auto matically adds three symbols meaning that your password becomes Solar Hew password Password EEEEEEEE Confirm password with 7 Completion of commissioning Commiss completion Single device Ho of devices Confirm overview with 30 Commissioning several networked devices System with several Solar Inverters slaves master Before commissioning all devices must be inter connected via the CAN bus interface See section Networking Solar Inverters via CAN bus Switch on all devices following installation Commis sioning begins with the master you have selected Compatibility between Sunways Solar Inverters The following table provides an overview of which devices can be networked with each other and how and lists any special considerations
72. varistors Varistors offer protection against atmospheric overvoltages e g caused by remote strikes dur ing thunderstorms 13 3 Installation 3 1 Mechanical installation Requirements for installation location DANGER The Solar Inverter may not be installed in rooms subject to explosion hazards The Solar Inverter may not be exposed to caustic gases No combustible or highly flammable materi als may be stored within 3 metres of the Solar Inverter Protection against moisture and foreign bodies The high protection type IP 54 allows installation indoors and in roof covered areas outdoors how ever the Solar Inverter may not be directly exposed to rain Mechanical load bearing capacity Note during installation that the Solar Inverter weighs 29 kg The installation surface must be firm and able to carry this weight in the long term Thermal interaction The installation surface must consist of flame retardant material not suitable surface of wood or plastic suitable concrete and masonry as the frame of the Solar Inverter can heat up to a maximum of 70 C A minimum distance of 300 mm to other devices cabinets ceilings cable ducts etc must be maintained above below and to the sides of the housing See the figure Requirements for instal lation location The Solar Inverter must be installed vertically to enable sufficiently free convection Several Solar Inverters may not be mounted over each other t
73. ver damage to the packing or the Solar Inverter please inform the transport company immediately Your specialist dealer will be happy to support you if necessary A possible damage report must always be received by the transport company in writing at the la test seven days after receipt of the goods 2 Safety precautions 2 1 General safety precautions Observe information in operating manual The condition for the safe handling and malfunc tion free operation of the AT Solar Inverter is a knowledge of the basic safety precautions This user manual contains the most important infor mation on operating the system safely Each person concerned with the installation com missioning maintenance and operation of the Solar Inverter must have read and understood the entire user manual and in particular the chapter entitled Safety Precautions In addition the rules and regulations for accident prevention applicable for the operating site plant must be observed Dangers when handling the AT Solar Inverter The Solar Inverter has been built in accordance with the latest rules of techno logy and the recognized safety rules and may only be used for its intended use when in proper condition with regard to safety Improper use may lead to dangers to the life and limb of the user or others or can adversely affect the system or other property In case of malfunctions which can impair safety the system must be shut down immediately an
74. verter input is always positive and is initially adapted by the DC actuator and then converted to alternating current by the high efficiency HERIC inverter 1 Product description Block diagram Solar generator DC actuator 1 3 Integration in solar system Design of solar generator The technical data of the selected solar generator must be within the Solar Inverter s specifications see Technical Data Incorrect dimensioning can lead to reductions in the yield and to destruction of the device The design program Sunways Sundim may be help ful to you Sunways Sundim is available on the included CD ROM or at our homepage www sunways de Be sure to take the following points into account before planning your system Watch the celestial alignment of the modules A maximum yield is achieved in Central Europe with a module slope of 30 to the vertical and direction of the solar generator field directly to the south The output of the cells decreases as the module temperature increases Install your solar genera tor with sufficient ventilation from behind Grid 7 LI 4h HERIC inverter N L1 L2 L3 PEN Check your solar generator approx every three years for soiling This occurs especially on the lower edge of the modules and forms a veil that cannot be washed off even by heavy rain Reduced yield can be prevented by cleaning with a wet cloth or a brush Avoid switching off individual modules or solar cells of y

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