Inverter for grid-connected photovoltaic systems
Contents
1. zp OMNONAWN A BIL OOO femmina maschio D DB9 E gi E i RS232 1 E DB9 male RS232 2 Use a standard cable for connection with a modem INV 1 10 Gal la 2 20 o2 2 3 340 3 3 4 40 o4 4 Modem 2 5o j5 50 6 66 6 60 7 QT 7 RS232 2 Use a null modem cable for connection with a INV d ds 5 x computer see figure 2 3 5 56 o5 50 Computer 60 6 26 60 70 7 7 7 8 8 8 8 9 9c 39 9 RS232 2 OMNAO60D55 GB Rev 00 pg 19 42 SLOTS 1 2 the following cards may be inserted in these slots optional RS485 board provides an RS485 connection for connection of the inverter to remote devices Netman PV device for the management of the inverters on the Ethernet It can send information on the status of the device with various protocols TCP IP UDP compatible with Sunvision software HTTP to display the status with a browser FTP for data transfer MODCom provides an RS485 connection for connection of the inverter to remote devices with MODBUS RTU communication protocol N B each card connected precludes the use of a standard RS232 port as follows the use of SLOT 1 main inhibits the use of RS232 2 the use of SLOT 2 aux2. 17 CONNECTIONS TER EE IER 21 START UP PROCEDURE rero nop o ra RS o nS SAN RRREERNERR URN SERERREFRRNERRONRRRERRUENRREORSERRRROEDRERREE aara e aaea 21 FUNCTIONAL CHECK e nno Eon eon na Eua En ERN ua PE ERR tE Enora E MERE RN RRER RORDRNERREENERRSEERR ERE RON n USE RP O PE Rossa 21 SHUTDOWN 22 cien P dNp5Ylem E 22 OPERATION e 22 up gamnered m 23 GENERAL CHARACTERISTICS rion REPE napa a RR Reo 25 GENERAL CHARACTERISTICS HV VERSION ccscsccccscsccscsccccsccccncsccecscsccecsccccececcecececcecsccececsececesseseseses 29 INVERTER USER PANEL FUNCTIONS essnossesenssoesessnosnesenonoesesonsosessnoseessososnssososnesosoensnososossesssssnesososness 32 GENERAL DESCRIPTIONS Saisie cece ce tues teed race LN TLLA SUUM ieee ML n 32 SIGNAL MESSAGES 2 eenereler er cence cineca M TM D REM M EE 32 AEARMIMESSAGES concret LO e EID eee TU A 33 COMMAND PANEL MENJUJS 1 rro paran unn n ERR R nne eEaRREERRR Rena rkoRrRREE RR
3. are 35 NORMAL OR BASIC MENU cccccccsscssccussccccesseuscecusseceeusuucceussceeeeuuceeceusseeeeeuuceecesseusceuaceecuauseuseeauteceesaueusega 35 MENU KEYS 1 1 LANGUAGES c ccccccccsscesccusseccessusccecceseceeeeueceecesseusceuseceeesseseeausecceseuaceeeuessceseeuaceeauauasa 35 MENU KEYS 2 MEASUREMENTS cccccccccescccsceceecccuueceeueuseuseeuseecuuscuueceeuueecuuseeueceeseeseuseeueecuaeuseeseeuueeegeeeesa 36 MENU KEYS 2 6 TIME MEASUREMENT 36 MENU KEY 3 KEY COMMANDS 37 MENU KEYS 3 5 37 MENU KEYS 3 5 4 PERSONALIZ 37 MENU KEYS 3 5 4 4 5 6 PERSONALIZ DIAL SEND MODEM sscceescecssseecseecesseceeseecsseeccaeeecasecesseceseess 38 MENU KEYS 3 5 5 PERSONALIZ 5232 39 MENU KEYS 37576 MPPT MODES causes 2e es eae ede ono eade rarae auia c Fw ede e ag VE ELS 39 MENU KEYS 3 5 7 PERSONALIZ IDENT 39 MENU KEYS 3 7 INVERTER OFF ccccccscccescuscsceusssccensuuscecuesseeseeusececusssceseeuusecuessuucceaueuecuessuceeaueeeceseeueseues 39 MENU KEY 4 RECORDER RECORDED EVENTS cccccseeeseseseseeesesssesesesesececeeesesacuseeesaensesusasarsea
4. Mechanical Weight Kg 310 320 340 Dimensions mm 555x720x1200 N B 1 with ambient temperature over 45 C there will be a reduction of max power to the network 2 over 1000m lower the power by 196 for every 100m up to a maximum of 3000 OMNAO60D55 GB Rev 00 pg 25 42 SIRIO Model K25 K33 K40 Input Max PV power Pmax 30 Kwp 40Kwp 50Kwp Minimum recommended PV power Pmin 20 Kwp 30Kwp 36Kwp Recommended Vo STC voltage Vo 540 640V DC voltage range MPPT Vcc 330 700 V Max DC voltage Vcc max 800 V Start up voltage Vstart up 390V Max DC current Icc max 80A 105A 130A Voltage ripple on modules 2 96 DC inputs 1 Output Rated AC power Pca 25KW 33KW 40KW Max AC power Pca 1h 28KW 36KW 44KW Rated voltage Vca 400 V three phase 15 Rated current Ica 36A 48A 58A Max current Ica 46A 60A 73A Rated frequency Fca 50 Hz 1Hz Distribution system TT TN S TN C Harmonic distortion of the network THD 3 96 with rated power current Power factor cos 0 99 with rated power Contribution to short circuit current Icc 68A 90A 110A Standards Electromagnetic compatibility YES CE conformity YES Protection devices and environmental conditions EN60529 level of protection IP20 Permitted temperature range T 0 C 45 c Non condensing relative humidity 9596 ra
5. 14 KWh Energy produced by the inverter Since 2007 10 10 Date saved at the first start up of the inverter yyyy mm dd Pmax Max power fed into the network expressed as a percentage of the inverter s rated power The above data are saved even when the device is switched off Menu key 3 key COMMANDS MENU 3 4 Contrasto 3 Regolazione MENU 3 5 4 Contrasto Visore BPS eros eis eds 5 Personaliz cod 7 Comando OFF Inserire 436215 7 per il menu successivo MENU 3 7 47263 Comando per Blocco Totale Menu keys 3 5 PERSONALIZATIONS The PERSONALIZATIONS menu is accessed by means of key 5 from the menu 3 COMMANDS an intermediate menu will be displayed in which a sequence of keys is required to get to the final menu The PERSONALIZ CODE sequence which is the same in all cases is 436215 Access by code to the Personalizations menu ensures that unauthorized persons cannot modify the operating parameters of the device The code is no longer required for 2 minutes after it has previously been entered The next menu can only be accessed by inserting the correct code otherwise it returns to the basic menu menu 3 5 4 menu 3 5 5 ve menu 3 5 6 4 Modem 5 RS232 6 MPPT MODE 7 Ident Menu keys 3 5 4 PERSONALIZ MODEM 4 Dial Send MODEM 1 MODEM 2 IDENTIFICAZIONE menu 3 5 7 Regolazione 5 6 7 8 Press key 1 to exit this
6. 3 and is indicated initially by the character Each number can assume values from 0 to 9 the symbol indicates that the corresponding number is disabled A correct dial number must start with a number from 0 to 9 if 6543210 is entered it will be ignored Select menu 3 5 4 4 6 or press key 6 when menu 3 5 4 4 5 is active to set the send number Pg 38 42 OMNAO60D55 GB Rev 00 Menu keys 3 5 5 PERSONALIZ RS232 MENU 3 5 5 RS232 1 baud 9600 RS232 2 baud 9600 Regolazione 3 4 7 8 Press key 1 to exit this menu Use keys 3 and 4 for RS232 1 keys 7 and 8 for RS232 2 to decrease or increase the baud transmission speed choose from values of 1200 2400 4800 9600 Menu keys 3 5 6 MPPT MODES MENU 3 5 6 MPPT Mode Auto 1 Exit 3 Auto 4 Fix Press key 1 to exit this menu Use keys 3 and 4 to set the MPPT operating modes If Mode Auto is set the inverter continuously looks for the optimal point of operation of the photovoltaic field MPPT Mode Fix Vdc 396V 1 Exit 3 Auto 4 Fix 7 8 When Mode Fix the inverter works by imposing a direct voltage on the DC source that is equal to the value set with keys 7 and 8 Warning since the selected mode is saved ensure that the correct mode is set according to the application for photovoltaic applications the inverter must be set to AUTO mode otherwise the MPPT algorithm will not be executed with the subseque
7. current Ica 364A Rated frequency Fca 50 Hz 1Hz Distribution system TT TN S TN C Harmonic distortion of the network THD 3 96 with rated power current Power factor cos 0 99 with rated power Contribution to short circuit current Icc 434A Standards Electromagnetic compatibility YES CE conformity YES Protection devices and environmental conditions EN60529 level of protection IP20 Permitted temperature range T 0 C 45 C 9 Non condensing relative humidity 9596 range Maximum height above sea level 1000 m ASL Air change with detaT 5 C 6450 m h Direction of air flow Intake through the base and the front Extraction from the top Max power dissipated Ploss 10598 W KCal h Mechanical Weight Kg 1580 Dimensions mm 1600x1000x1900 N B 1 with ambient temperature over 45 C there will be a reduction of max power to the network 2 over 1000m lower the power by 1 for every 100m up to a maximum of 3000m Pg 28 42 OMNAO60D55 GB Rev 00 GENERAL CHARACTERISTICS HV VERSION SIRIO HV Model K25 HV K33 HV K40 HV Input Max PV power Pmax 30 Kwp 40Kwp 50Kwp Minimum recommended PV power Pmin 20 Kwp 30Kwp 36Kwp Recommended Vo STC voltage Vo 710 760 V DC voltage range MPPT Vcc 450 760 V Max DC voltage Vcc max 880 V Start up voltage Vstart up 540V Max DC cur
8. inhibits the use of RS232 1 Pg 20 42 OMNAO60D55 GB Rev 00 Check connections Once the EARTH INPUT and OUTPUT cables have been connected and before replacing the terminal board cover check that all the input output terminals are tightly closed all the fuse blocks have fuses inserted and are in the closed position the protection conductor is correctly connected START UP PROCEDURE Once the electrical connections have been made as indicated above and after replacing the switch cover panel the inverter can be started up carry out the following operations in this order open the door of the inverter to access the input switches close any input output switches located outside the inverter check that the DC voltage from the photovoltaic field is within the inverter s accepted range also check that the polarity is correct close the following inverter switches the label is shown on the switches panel SWIN DC side disconnector SWOUT network side switch Check that the display does not show the message COMMAND OFF ACTIVE 8 DEACTIV If it does key 8 must be pressed to restart the inverter as suggested by the message Once these operations have been carried out and provided the irradiation conditions permit it the humming of the inverter and the noise of the fans will be heard after a few seconds around 10 seconds to 3 minutes depending on the local setup Press button 1 twice select the language and then press but
9. is no longer active a counter will be displayed to the right of this message indicating how many seconds are left before the restart of the inverter Alarm displayed when there is interference on the AC line such as voltage peaks or harmonic distortion while the voltage and frequency are correct WARNING in this case the inverter is not synchronized with the AC line and no connection can take place Alarm present if the voltage at the inverter AC input is not correct in voltage frequency or frequency derivative Symbols indicating the problem are displayed to the right of this message V the voltage is outside the pre defined limits F the frequency is outside the pre defined limits D the frequency derivative is outside the pre defined limit These three conditions may also occur simultaneously The voltage on the photovoltaic modules is lower than the start up value insufficient irradiation If the irradiation conditions are good check the status of any sectioning devices upstream of the inverter This message could also indicate that the protection fuse inside the inverter has been triggered This indicates that the power supplied to the network is greater than the rated power of the inverter thus the value indicated expressed as a percentage exceeds the value of 10096 up to a maximum of 11096 This condition is allowed temporarily for the time given in the technical data of the inverter After this time the i
10. max 70mm2 70mm2 70 mm2 AC OUTPUT three phase without neutral Imax A 19 8 28 1 33 0 44 58 73 116 146 182 364 420 Connection Probe Probe Probe Probe Probe Probe M10 M10 M10 M12 M12 Cable max 25 mm 25mm 25mm 50mm 50mm 50 mm PROTECTIVE CONDUCTOR earth Connection Probe Probe Probe Probe Probe Probe M10 M10 M10 M10 M10 see installation drawings AC output An automatic magneto thermal switch is provided on the inverter AC output line Since this switch cannot protect the line connected to the inverter from any faults on the line an appropriate protection device sized according to the table above and to the characteristics of the cable that has been laid is provided upstream of this switch DC input A disconnector with an appropriately sized fuse is provided on the DC input line Photovoltaic field network connections The operations described in this chapter must be carried out exclusively by trained personnel The first connection to be made is the earth conductor which is indicated with the symbol THE INVERTER MUST NOT OPERATE WITHOUT AN EARTH CONNECTION Pg 14 42 OMNAO60D55 GB Rev 00 Before making the connection open all the switches on the device and ensure that the inverter and the lines to be connected are completely isolated from the power sources photovoltaic field and AC power line More specifically
11. rated power Contribution to short circuit current Icc 175A 219A 274A Standards Electromagnetic compatibility YES CE conformity YES Protection devices and environmental conditions EN60529 level of protection IP20 Permitted temperature range T 0 C 45 c Non condensing relative humidity 9596 range Maximum height above sea level 1000 m ASL Air change with detaT 5 C 1760 m h 2400 m h 3300 m h Direction of air flow Intake through the base and the front Extraction from the top Max power dissipated in overload Ploss 2866 W 3821W 5231W 2450KCal h 3266KCal h 4471KCal h Mechanical Weight Kg 600 650 720 Dimensions mm 800x800x1900 N B 1 with ambient temperature over 45 C there will be a reduction of max power to the network 2 over 1000m lower the power by 1 for every 100m up to a maximum of 3000m OMNAO60D55 GB Rev 00 pg 27 42 SIRIO Model K200 Input Max PV power Pmax 250 Kwp Minimum recommended PV power Pmin 170 Kwp Recommended Vo STC voltage Vo 540 640V DC voltage range MPPT Vcc 330 700 V Max DC voltage Vcc max 800 V Start up voltage Vstart up 390V Max DC current Icc max Voltage ripple on modules 196 DC inputs in parallel 1 Output Rated AC power Pca 200 KW Max AC power Pca 1h 220 KW Rated voltage Vca 400 V three phase 15 Rated current Ica 289 A Max
12. technical training or specific training relating to the procedures for the safe use and maintenance of the equipment Eg Emergency interventions The following information is of a general nature First aid interventions Company regulations and traditional procedures should be followed for any first aid intervention that may be required Firefighting measures Do not use water to put out a fire but only fire extinguishers that are suitable for use with electrical and electronic equipment If exposed to heat or fire some products may release toxic fumes into the atmosphere Always use a respirator when extinguishing a fire OMNAO60D55 GB Rev 00 pg 5 42 ENVIRONMENTAL PROTECTION In the development of its products the company devotes abundant resources to analysing the environmental aspects All our products pursue the objectives defined in the environmental management system developed by the company in compliance with applicable standards No hazardous materials such as CFCs HCFCs or asbestos are used in this product When evaluating packaging the choice of material has been made favouring recyclable materials For correct disposal please separate and identify the type of material of which the packaging is made in the table below Dispose of all material in compliance with applicable standards in the country in which the product is used DESCRIPTION MATERIAL Packaging corner Stratocell Protective bag Polythene D
13. terminals shortcircuited With this input in a hazardous situation the inverter can be shut down from a remote position simply by pressing a button Warning normal operation cannot be restored simply by closing the jumper This requires an operator to take appropriate action on the inverter control panel The EPO command disconnects the inverter from the network but does not open the connection with the photovoltaic field Dangerous voltages may still be present in the device C REMOTE ET iM EPO GND 13 The connector comprises the following features i12 Stop inverter non memorizzato GND 11 1 12Vdc 80mA max power supply 12Vi10 3 potential free change over contacts for alarms 9 2 remote commandis to block the inverter Faults present 6 the connector has the following pin configuration 5 invenit blocked i4 m 3 i 2 Normal operation Normal operation the inverter 15 connected to and supplies energy to the network it is normal for this signal not to be displayed even when there are no faults or blocks during poor irradiation conditions night time or if the AC network is not adequate Inverter blocked by command or contact the inverter has been blocked by a command or by the triggering of a contact specific action by the operator is required to restore operation Faults present the inverter is blocked due to an internal failure N B The position of the contacts as shown is with the c
14. the front Extraction from the top Max power dissipated Ploss 10598 W 12359 W KCal h KCal h Mechanical Weight Kg 1580 1750 Dimensions mm 1600x1000x1900 N B 1 with ambient temperature over 45 C there will be a reduction of max power to the network 2 over 1000m lower the power by 1 for every 100m up to a maximum of 3000m OMNAO60D55 GB Rev 00 INVERTER USER PANEL FUNCTIONS General description The control panel located at the front of the device can be used to monitor and control all the parameters of the inverter the distribution grid and the photovoltaic modules The inverter operating status is shown on a liquid crystal display LCD with two rows of 40 characters each three indicator lights LEDs and an acoustic buzzer The LEDs provide rapid information according to their status on flashing or off AC connection LED YES green on inverter connected to the DC network and supplying power flashing inverter ready for connection check AC network off inverter stopped and disconnected AC connection LED NO yellow on inverter disabled locally or remotely no automatic restart flashing inverter paused due to low irradiation ready for automatic restart C ALARM LED yellow on an alarm has been detected off no alarm in progress The audible buzzer makes an intermittent sound and pauses for approx 2 seconds in all alarm conditions unless it has been silenced by
15. the count is shown on the display the conversion process will start preceded by the connection of the inverter to the network by closing the remote switch The MPPT algorithm integrated in the control system looks for the operating condition that is best suited to the external conditions essentially irradiation and temperature of the modules When the irradiation conditions are such that the power injected into the network is very low lt 1 the control system shuts the inverter down after a few minutes and puts it into a wait state This situation will last until the solar radiation is sufficient to allow a new start up and connection to the network Pg 22 42 OMNAO60D55 GB Rev 00 In order to avoid the converter operating in island mode some systems have been implemented which can destabilize a possible condition of balance between the inverter and local loads In the event of electrical parameters going outside the permitted field the inverter will activate protection devices and disconnect from the network until the rated conditions for the AC network are restored If these protection devices are triggered a pause is inserted before inverter operation can be resumed the length of the pause depends on local legislation It should be noted that for the Italian market these protection devices cannot replace what are known as interface protection devices since current legislation imposes the presence of dedicated external protectio
16. with the requirements of the following directives LV Directive 2006 95 EC EMC Directive 2004 108 EC No reproduction of any part of this manual even partial is permitted without the manufacturer s authorization The manufacturer reserves the right to modify the product described herein in order to improve it at any time and without notice Pg 8 42 OMNAO60D55 GB Rev 00 Summary INTRODUCTION eec R 10 5 e M 12 INSTALLATION ENVIRONMIENT oaa rano na eara Ea raa nee euPPEPEE RES P PPP e Poor 12 PRELIMINARY OPERATIONS rao panna Saee na iu eoa n aeu ERR ooo na ep EEEEEEU Seb enbegessieeeeeboasesspeessececescssssescsssesecseses 12 CHECKING THE PACKAGING eeeeeee nennen nnns asse eniin esa etes 12 de lenllcemc P 13 ELECTRICAL SYSTEM SETTINGS 5 iiieus eene er itu Ek u nu era ra ERE okPR MER MER o pne Rao Ph SUR a peo P bor eoo Reo ee NR 14 SVSTEMIPRO UEC TION Scie 14 PHOTOVOLTAIC FIELD NETWORK 14 CONNECTORS FOR REMOTE COMMANDS SIGNALLING AND
17. 6 436215 DATA ORA amg h 2007 10 31 24 60 60 Regol 2 An 3 Mes 4 Gior 5 Ore 6 Min The code is no longer requested for 2 minutes after it has previously been entered OMNAO60D55 GB Rev 00 pg 41 42 The next menu can only be accessed by entering the correct code otherwise it returns to the basic menu Press one of keys 2 3 4 5 or 6 to select which value to change DATA ORA Xmg h 2007 10 31 24 60 60 REGOLAZIONE 7 8 In this example it has been selected to change the years value the flashing symbol X over the letter shows the selected field Press keys 7 or 8 to decrease or increase the selected value by one unit press any of the other keys to exit the menu Menu key 7 lower arrow INTERNAL CODES s 0000 c 0000 b 0000 r 0000 00 i 8000 00 a 0000 0000 V 0007 01 ABCD Access to the INTERNAL CODES menu is via key 7 from the basic menu These codes are useful for the technical support service for analysis of any faults and or special operating states Pg 42 42 OMNAO60D55 GB Rev 00
18. CORDED EVENTS and menu 4 2 4 2 2 that is from the recorded measurements menus Use key 1 to exit this menu The other keys except for key 6 and the display of the lower line have the same functions as the keys in menu 4 The upper line s FFFF c FFFF b FFFF r FFFF FF i FFFF FF shows the internal codes recorded at the same time as the event Use key 6 to return to menu 4 while keeping the current event then you can switch back and forth between the description of the event with the saved alarm message and the event with the internal codes Menu key 5 silencing the acoustic alarm During operation with the basic menu displayed the operator can choose to permanently silence or re enable the audible alarm by pressing key 5 5 ON will be displayed in the basic menu when the audible alarm is enabled and 5 will be displayed when it is silenced Where it has no other functions in other menus key 5 can be used to silence the alarm only The command is saved even during shutdown and when the power supply fails Menu key 6 clock DATE TIME DATA ORA amg h 2007 10 31 24 60 60 INSERIRE IL CODICE Access to the DATE TIME menu is via key 6 from the basic menu The display shows the current content of the internal calendar and clock in the format DATE TIME ymd h years months days hours minutes seconds The content can be changed in the appropriate menu by entering personalization code 436215 MENU
19. ISPOSING OF THE PRODUCT The UPS and the Battery Box contain electronic cards and batteries which are considered TOXIC and HAZARDOUS waste When the product reaches the end of its operating life dispose of it in accordance with applicable local legislation Disposing of the product correctly contributes to respecting the environment and personal health Pg 6 42 OMNAO60D55 GB Rev 00 Thank you for choosing our product Aros Solar Technology is highly specialized in the development and production of equipment for static energy conversion The inverters of the three phase SIRIO series are high quality products carefully designed and manufactured to ensure optimum performance GENERAL PRECAUTIONS This manual contains instructions for the use installation and start up of SIRIO inverters A Read the manual carefully before installation The manual should be kept close at hand and consulted for information on using the equipment before carrying out any operation e The first connection to be made is the connection between the earth conductor and the terminal with the symbol shown here SS e The inverter must not operate without an earth connection e The device must be installed and used in compliance with the instructions set out in this text and with the procedures that may be suggested from time to time e The operating and maintenance personnel and specialized technicians should be adequately trained in the safe use and main
20. ISTICS SIRIO Model K12 K15 K18 Input Max PV power Pmax 14 Kwp 18 Kwp 20 Kwp Minimum recommended PV power Pmin 9 Kwp 12 Kwp 16 Kwp Recommended Vo STC voltage Vo 540 640V DC voltage range MPPT Vcc 330 700 V Max DC voltage Vcc max 800 V Start up voltage Vstart up 390V Max DC current Icc max 36A 54A 63A Voltage ripple on modules 2 96 DC inputs 1 Output Rated AC power Pca 12KW 15KW 18KW Max AC power Pca 1h 13 2KW 16 5KW 19 8KW Rated voltage Vca 400 V trifase 15 Rated current Ica 17 3A 21 7 26 0A Max current Ica 22 4A 28 1A 33 0A Rated frequency Fca 50 Hz 1Hz Distribution system TT TN S TN C Harmonic distortion of the network THD 3 96 with rated power current Power factor cos 0 99 with rated power Contribution to short circuit current Icc 33 6A 42 1A 49 5A Standards Electromagnetic compatibility YES CE conformity YES Protection devices and environmental conditions EN60529 level of protection IP20 Permitted temperature range T O C 45 c Non condensing relative humidity 9596 range Maximum height above sea level 1000 m ASL Air change with detaT 5 C m3 h 750 1000 1250 Direction of air flow Intake through the base and the front Extraction from the rear Max power dissipated in overload Ploss 573W 717W 860W 493 KCal h 616 KCal h 739 KCal h
21. RIELLO ELETTRONICA AOS SOLAR TECHNOLOGY Inverter for grid connected photovoltaic systems THREE PHASE 12 250 KW Pg 2 42 OMNAO60D55 GB Rev 00 User manual RPS SpA via Somalia 20 20032 Cormano MI Tel 39 02 66327 1 Fax 39 02 66327 231 No reproduction of any part of this manual even partial is permitted without the manufacturer s authorization The manufacturer reserves the right to modify the product described herein in order to improve it at any time and without notice OMNAO60D55 GB Rev 00 pg 3 42 Symbols used in the manual In this manual some operations are shown by graphic symbols to alert the reader to the dangerous nature of the operations Possibility of serious injury or substantial damage to the device unless adequate precautionary countermeasures are taken This symbol indicates some important information which must be read with care P It is recommended to read this part of the manual A Protective equipment to be worn No maintenance operations must be carried out on the device without wearing the Personal Protective Equipment PPE described below Personnel involved in the installation or maintenance of the equipment must not wear clothes with wide sleeves or laces belts bracelets or other items that may be dangerous especially if they are metallic Long hair must be tied in such a way as to ensure that it is not a hazard The following signs show t
22. UAGES menu OMNAO60D55 GB Rev 00 pg 35 42 Menu keys 2 MEASUREMENTS Press key 1 to return immediately to the basic menu Vac 12 23 31 397 396 396V f 50 1Hz 1 2 3 145 145 145A P 99 W Vdc 499V Idc 208 2A Ts 25 28max Tinv 43 49max C Run 99h25mini2sec Since 2007 10 10 Energy 5 563 14 KWh Pmax 105 Vdc 499V Measurement of the direct voltage in input to the inverter expressed in Volt The measurements shown have the following meaning Vac 12 23 31 397 396 396V Measurement of the three concatenated voltages phase phase Idc 227 2A The voltage is expressed in V Measurement of the direct current in input to the inverter F 50 1Hz Measurement of the frequency of the AC distribution Ts 28 28 max network Measurement of the current temperature and maximum Tac 1 2 3 145 145 145A Measurement of the three output currents The measurement is expressed in Ampere temperature for inside the inverter cabinet It is normally a few C higher than the ambient temperature P 99 W Measurement of the power injected into the network expressed as a percentage of the inverter s rated output power Tinv 49 49 max Measurement of the current temperature and maximum temperature for the inverter heat sinks Menu keys 2 6 TIME MEASUREMENT The values indicated have the following meaning 99h25min 12sec Inverter operation time time for connection to the network Energy 5 563
23. WIN input switch Although no damage is caused to the inverter by opening the input and output disconnectors while the inverter is switched on it is recommended to carry out the shutdown procedure before opening the disconnectors Carry out the operations described in the section Start up procedure in order to resume normal inverter operation PERSONALIZATIONS Some factory set electrical parameters can be modified within a certain field by entering access code 436215 on the COMMANDS PANEL from the basic menu press key 3 COMMANDS and then key 5 PERSONALIZATIONS The following values can be personalized modem settings RS232 1 and RS232 2 port transmission speed setting inverter identifying number in the communication bus The procedures to be followed and the fields to be modified are provided in the chapter on SIGNALLING PANEL DESCRIPTION OPERATION The operation of the inverter is fully automatic and does not need any user intervention Once it has been connected to the photovoltaic generator and the three phase distribution grid and has been enabled the inverter will appropriately manage the start up shutdown and any other aspect of the equipment Once it has been enabled which is saved even if there is no power supply the inverter checks the parameters of the AC network voltage and frequency and of the photovoltaic modules no load voltage if all the values are within the correct ranges for a suitable time
24. and also prevents the injection of continuous current components into the distribution grid Having such a component also helps protect the inverter in the event of overvoltages on the electrical system The operating parameters and electrical values can be displayed locally by means of the alphanumeric LCD display with 2x40 characters and remotely by means of monitoring systems The functions listed above are obtained by means of power electronic architecture of the PWM Pulse Width Modulation type using semiconductors of the IGBT Insulated Gate Bipolar Transistor type and a microprocessor based control logic which can carry out all the required processing in real time The figure below shows the inverter block diagram PV ARRAY FMC Filter AC Filter FMC Filter E AM DE SWITCH m Pg 10 42 OMNAO60D55 GB Rev 00 e filters these are used to reduce conducted radiofrequency emissions on both the photovoltaic modules and on the AC network e Inverter this is the section in which the energy from the photovoltaic modules is converted from direct current into alternating current e LF transformer this has a dual function it ensures the galvanic separation of the direct current section from the alternating current section and increases the voltage generated by the inverter up to the rated output value e ACfilter its function is to recreate a sinusoidal current waveform by eliminating the high frequencies gener
25. anufacturers Our Technical Support Service will be happy to recommend the various personalized options for preventive maintenance WARNING Maintenance inside the inverter must only be carried out by trained personnel HIGH VOLTAGES are present inside the inverter even when the AC power supply and the photovoltaic modules have been disconnected After disconnecting the DC power line and the AC power grid the trained personnel must wait for around ten minutes for the capacitors to discharge before working on the inside of the equipment Preventive maintenance The following operations should be carried out periodically Ensure that the air intake slots located on the front door and at the back of the cabinet and the output grilles located on the top of the cabinet are clean OMNAO60D55 GB Rev 00 pg 23 42 Ensure that the inverter is working properly the message NORMAL OPERATION will appear on the display panel If an alarm message is displayed check the meaning in the manual before contacting the technical support service Check that the operating parameters are within the fields indicated in the section GENERAL CHARACTERISTICS Since the photovoltaic modules are a source of energy just isolating the AC distribution system does not eliminate the danger PAY THE UTMOST ATTENTION TO THE DC VOLTAGE FROM THE PHOTOVOLTAIC MODULES EVEN IN CONDITIONS OF LOW SOLAR IRRADIATION Pg 24 42 OMNAO60D55 GB Rev 00 GENERAL CHARACTER
26. ated by the inverter stage e Contactor separates the inverter from the AC network during periods of non operation thus eliminating transformer no load losses e DCdisconnector disconnects the photovoltaic field from the inverter to allow maintenance to be carried out on the inverter e AC disconnect switch disconnects the inverter from the AC network in the event of maintenance and is triggered to protect the network in the event of an internal fault in the AC section of the device e Control system this is the heart of the entire system that manages all parts of the equipment e Communications for local monitoring display keyboard of inverter operation or remote monitoring by means of appropriate electrical connections OMNAO60D55 GB Rev 00 pg 11 42 STORAGE If the inverter is not installed immediately it should be stored with its original packaging and protected from humidity and the elements The storage premises should comply with the following characteristics Temperature 25 C 60 C 13 F 140 F Relative humidity 95 max Recommended storage temperature is between 5 C and 40 C INSTALLATION ENVIRONMENT The equipment has been designed for indoor installation The choice of premises for installation should comply with the points set out below avoid dusty environments ensure that the floor can support the weight of the inverter avoid narrow environments that could hinder normal maintenance operat
27. be a reduction of max power to the network 2 over 1000m lower the power by 1 for every 100m up to a maximum of 3000m Pg 30 42 OMNAO60D55 GB Rev 00 SIRIO HV Model K200 HV K250 HV Input Max PV power Pmax 250 Kwp 320Kwp Minimum recommended PV power Pmin 170 Kwp 220Kwp Recommended Vo STC voltage Vo 710 760 V DC voltage range MPPT Vcc 450 760 V Max DC voltage Vcc max 880 V Start up voltage Vstart up 540V Max DC current Icc max 500A 620A Voltage ripple on modules 196 DC inputs in parallel 1 Output Rated AC power Pca 200 KW 250KW Max AC power Pca 1h 220 KW 250KW Rated voltage Vca 400 V three phase 15 Rated current Ica 289 361A Max current Ica 364A 420A Rated frequency Fca 50 Hz 1Hz Distribution system TT TN S TN C Harmonic distortion of the network THD current 3 96 with rated power Power factor cos 0 99 with rated power Contribution to short circuit current Icc 434A 542A Standards Electromagnetic compatibility YES CE conformity YES Protection devices and environmental conditions EN60529 level of protection IP20 Permitted temperature range T 0 C 45 C 9 Non condensing relative humidity 9596 range Maximum height above sea level 1000 m ASL Air change with detaT 5 C 6450 m h 7650 m h Direction of air flow Intake through the base and
28. check that theline from the photovoltaic field is isolated from the field the inverter disconnectors SWIN and SWOUT are in the open position there are no dangerous voltages DC and AC by using a multimeter on both the cables and the inverter terminals The inverter must be connected to a three phase AC network no neutral conductor is required WARNING observe the cyclical direction of the phases The cables should be connected as shown in the figures below ik E LI I2 L3 POS NEG R S T POWER CABLE TERMINATIONS FOR 200 250KW INVERTERS OMNAO60D55 GB Rev 00 pg 15 42 t L1 12 L3 POS NEG R S T POWER CABLE TERMINATIONS FOR 64 80 100 KW INVERTERS L1 1213 GND R S T POS NEG POWER CABLE TERMINATIONS FOR 25 33 40 KW INVERTERS Pg 16 42 OMNAO60D55 GB Rev 00 ilk L1 L2 L3 GND R S T POS NEG POWER CABLE TERMINATIONS FOR 12 15 18 KW INVERTERS Connectors for remote commands signalling and communications Open the front door of the inverter to access the interface cards Communications 65232 EPO REMOTE CONTACTS RS232 1 D RS232 2 E EPO B REMOTE C OMNAO60D55 GB Rev 00 pg 17 42 B EPO connector emergency power off command If jumper B on the connector is opened the inverter will shut down and disconnect from the distribution grid The inverter is factory fitted with the EPO
29. e leave a free space of at least one metre at the front of the equipment to allow for maintenance operations e ensure a distance of at least 60 centimetres from the ceiling or at the back depending on the position of the fans so as not to hinder air extraction e the DC and AC cables should enter from the back of the cabinet The power and signal cables should be connected from the front OMNAO60D55 GB Rev 00 pg 13 42 Refer to the installation figures provided with the user manual for the mechanical dimensions of the inverter These figures show the position of the holes in the base which can be used to secure the device to the floor the view of the floor support for the sizing of a structure to raise the cabinet where this 1s envisaged the position of cable entry the position of the inverter fans ELECTRICAL SYSTEM SETTINGS System protection table of maximum currents SIRIO K12 K15 K18 K25 K33 K40 K64 K80 K100 K200 K250 DC INPUT positive and negative cables for inverters with 330 700Vdc input Imax A 36 54 63 80 105 130 205 260 320 650 Connection Probe Probe Probe Probe Probe Probe M10 M10 M10 3xM12 Cable max 25mm 25mm 25mm 70mm 70mm 70 mm INGRESSO DC per inverter con ingresso 450 800Vdc Modelli HV Imax A 59 79 98 157 196 245 500 620 Connection Probe Probe Probe M10 M10 M10 3xM12 3xM12 Cable
30. eaeauaeaeaeaeaeaes 40 MENU KEYS 4 2 2 MEASUREMENT OF RECORDED 5 40 MENU KEY 4 6 RECORDED 40 MENU KEY 5 SILENCING THE ACOUSTIC ALARM eeeeeeeenenne eren nnne renes seen eene nnr sss e seinen ness s esee 41 MENU KEY 6 CLOCK DATE TIME cccceesscccccccececssnsececcesceceenaececcessesenaececcesceseneaeceeeceseenenacaeceeeneeentnaaeeeess 41 MENU KEY 7 LOWER ARROW INTERNAL CODES isses eene enne ener nnt nnne nhan neni nu 42 OMNAO60D55 GB Rev 00 pg 9 42 INTRODUCTION This document describes the features of the Three phase Solar Converters of the SIRIO series with isolation transformer The SIRIO inverter is used to transfer the energy produced by a photovoltaic generator to the three phase power distribution system The MPPT Maximum Power Point Tracking feature ensures that the power is drawn from the photovoltaic modules with the operating point continuously optimized in relation to the irradiation conditions the characteristics of the panels their temperature and the converter characteristics The system is designed to allow it to feed into the network a current with a sinusoidal waveform and uniform power factor in all operating conditions The interface between the device and the network has a low frequency three phase isolation transformer This satisfies current legislation
31. el K64 HV K80 HV K100 HV Input Max PV power Pmax 80 Kwp 100Kwp 125 Kwp Minimum recommended PV power Pmin 55 Kwp 70Kwp 80 Kwp Recommended Vo STC voltage Vo 710 760 V DC voltage range MPPT Vcc 450 760 V Max DC voltage Vcc max 880 V Start up voltage Vstart up 540V Max DC current Icc max 157A 196 245A Voltage ripple on modules lt 1 DC inputs 1 Output Rated AC power Pca 64 KW 80KW 100 KW Max AC power Pca 1h 71 KW 88 KW 110 KW Rated voltage Vca 400 V three phase 15 Rated current Ica 92A 115A 145A Max current Ica 117A 146A 182A Rated frequency Fca 50 Hz 1Hz Distribution system TT TN S TN C Harmonic distortion of the network THD 3 96 with rated power current Power factor cos 0 99 with rated power Contribution to short circuit current Icc 175A 219A 274A Standards Electromagnetic compatibility YES CE conformity YES Protection devices and environmental conditions EN60529 level of protection IP20 Permitted temperature range T 0 C 45 C Non condensing relative humidity 9596 range Maximum height above sea level 1000 m ASL Air change with detaT 5 C 1760 m h 2400 m h 3300 m h Direction of air flow Intake through the base and the front Extraction from the top Max power dissipated in overload Ploss 2866 W 3821W 5231W 2450KCal h 3266KCal h 4471KCal h Mechanical Weight Kg 600 650 720 Dimensions mm 800x800x1900 N B 1 with ambient temperature over 45 C there will
32. er s power in relation to the inverter s rated output power and in KW Since the display only shows a single message at a time there is an order of priority with the most important message being displayed while the other information is displayed in the form of internal codes In all operating conditions the display returns to the basic menu two minutes after the last command has been entered by means of the keys the basic menu displays the signalling messages relating to operating status NORMAL OPERATION signalling message indicating that the inverter is operating normally Lower line of the Normal menu S inverter model 100 rated output power expressed in kW H indicates inverter with input voltage range of 450 800V If no H is displayed it means inverter with input voltage of 330 700V OUT 78 example of indication of percentage of power supplied in output 78 3K W current output power expressed in KW 5 ON example of indication relating to status of the audible alarm if it has been silenced the indication changes to 5 OFF Menu keys 1 1 LANGUAGES 1 2 Misure 3 Comandi 4 Registraz MENU BASE 6 Data Ore 7 Codici 8 Normale Press the key corresponding to the required language to choose the language in which the system will give all subsequent messages The selected language remains saved even after the shutdown and restart of the system The current language can only be changed by accessing the LANG
33. etc be modified tampered with or altered in any way without first consulting the manufacturers e All ordinary and extraordinary maintenance operations must be noted in the appropriate register with the date time type of intervention operator name and any other useful information OMNAO60D55 GB Rev 00 pg 7 42 e Once the maintenance operations have been concluded a thorough check should be made in order to ensure that no tools and or other materials have been left inside the cabinet e Inthe event of faults or malfunctions contact your local distributor or Aros All repair operations must be carried out by authorized technicians e Under no circumstances must water be used to clean the internal or external electrical parts of the cabinet e Donotleave the device exposed to rain or to the elements The device must be stored and used in premises that comply with the environmental requirements set out in this user manual Instructions for use The purchased equipment is intended for professional use in industrial or commercial environments Shielded cables must be used for the connections to signalling connectors Warning A Sale of this product is reserved for competent installers Installation restrictions or additional measures may be necessary in order to avoid problems CE Mark The inverters of the SIRIO series come with CE marking when used in accordance with the instructions in this manual they comply
34. he protective equipment that should be worn The various items of PPE must be selected and sized according to the nature of the hazard particularly electrical posed by the equipment Protective eyewear Accident prevention footwear Use always Use always Helmet Use When there are suspended loads Work gloves Use always amp Protective clothing Use always Pg 4 42 OMNAO60D55 GB Rev 00 Definition of operator and specialized technician The professional figure responsible for accessing the equipment for ordinary maintenance purposes is defined with the term operator This definition covers personnel that know the operating and maintenance procedures for the equipment and that have received training to operate in accordance with the safety standards relating to the dangers that may arise where electrical voltage is present training in the use of Personal Protective Equipment and to carry out basic first aid The professional figure responsible for the installation and start up of the equipment and for any extraordinary maintenance is defined with the term specialized technician This definition covers personnel that in addition to the requirements listed above for a general operator must also have been suitably trained by the manufacturers or their representative be aware of installation assembly repair and service procedures and have a specific technical qualification must have a background of
35. ions avoid placing the device in areas exposed to direct sunlight or heat ensure that the ambient temperature with inverter operating is less than operating temperature 0 45 C maximum temperature for 8 hours a day 45 C average temperature for 24 hours 35 C N B the operating temperature recommended for the lifetime of the inverter is between 10 C and 35 C A heat dissipation system is required to keep the temperature in the installation site within this field the value of the power dissipated by the inverter is shown in the section GENERAL CHARACTERISTICS PRELIMINARY OPERATIONS Checking the packaging Upon receipt of the inverter check that the packaging has not been damaged during shipping Check that neither of the two impact resistant devices on the packaging has turned red if one of them should be red follow the instructions on the packaging Care should be taken when removing the packaging in order to avoid scratching the inverter cabinet The device must be handled with care it may be damaged if knocked or dropped This technical user manual is supplied with the inverter The device should only be handled by appropriately trained personnel It can be unloaded from the vehicle and put into place by lifting the box or the wooden deck to which the equipment is secured with a fork lift truck A transpallet or fork lift truck should be used for the permanent positioning of the equipment in accordance wi
36. menu Use keys 5 and 6 to decrease or increase the control value for the management of modem 1 values from to 5 can be chosen with 0 being the first value Use keys 7 and 8 to decrease or increase the control value for the management of modem 1 The meaning of the control value is the same as for modem 1 the modem connected to the RS232 port is deactivated since terminal 20 of the 5232 connector assumes a low level 12V DTR signal deactivated OMNAO60D55 GB Rev 00 pg 37 42 N B the MODEM 0 configuration is essential when the modem is not being used and the RS232 connector is used for connection to the remote panel 1 the DTR signal is activated terminal 20 at 12V and the modem is enabled to respond note that a remote panel connected to an RS232 connector instead of a modem will remain off 2 the DTR signal is activated the modem is ready to respond and for automatic calls If an alarm due to internal failure lasts more than 30 seconds the system automatically dials the saved DIAL number upon receiving the response of the receiving modem it sends a message made up of the word INVERTER the saved SEND number a copy of the text shown on the display the alarm code and the date and time of transmission N B for correct operation use a modem that has already been configured to recognize commands of the HAYES type and which can dial the telephone number by using pulses or tones as required by the telephone li
37. n devices when inverter power is greater than 20KW or when more than three inverters are connected at the same time The control system naturally also implements all the protection devices required to protect the converter from external faults Suitable protection devices against overcurrents overvoltages and overtemperatures inside the device are also used The inverter has a protection device to prevent stops due to overtemperature when the temperature on the power transistor radiators exceeds a first alarm threshold the maximum inverter power is gradually decreased from 11096 to 10096 If a second alarm threshold is exceeded the power is gradually decreased even more so as to keep the temperature of the heat sinks within the maximum limit With an ambient temperature lower than 45 C and unobstructed heat sinks the inverter can manage the rated power without limitations MAINTENANCE SIRIO inverters are designed and produced to last a long time even in the most severe service conditions It should be remembered however that this is electrical power equipment which requires periodic monitoring Moreover some components have a limited lifespan and as such must be periodically checked and replaced should conditions so dictate in particular the fans and in some cases the electrolytic condensers It is therefore recommended to implement a preventive maintenance programme which should be entrusted to specialized personnel authorized by the m
38. n the total shutdown command COMMAND SAVED has been entered from the panel or through the RS232 connection The system executes the shutdown command with a few seconds delay to allow for cancellation The command remains saved even during shutdown due to a power outage When the power supply is restored the system cannot resume normal operation if the block that has been intentionally set is not deactivated press key 8 to deactivate it As the previous alarm with command present from the REMOTE connector The inverter is blocked due to the action of the EPO circuit emergency shutdown To restart the inverter restore the EPO jumper circuit and press key 8 on the inverter keyboard Code 1 the memory has been changed and the operating parameters have returned to standard values If non standard values were previously set these must be personalized again Remove the power supply to the inverter in order to remove the alarm from the display N B codes other than 1 may be displayed temporarily when changing the personalization but this does not affect normal operation OMNAO60D55 GB Rev 00 COMMAND PANEL MENUS NORMAL or BASIC Menu NORMAL OPERATION S100H OUT 78 W 78 3kW 5 0N In the basic menu the upper line displays a signalling message to describe the current state while the lower line indicates the model the measurements of the power fed into the network expressed both as a percentage of the invert
39. ne to be used Example of messages sent to the modem in the event of an INTERNAL FAILURE 5 alarm Let us suppose the following settings Modem 2 Dial 23456 Send 123456 30 seconds after the start and persistence of the alarm the system sends the modem the command ATD 23456 Upon receipt of the CONNECT message by the modem the system sends inv 123456 INTERNAL FAILURE 5 100 OUT 100 VA BATT 78 Ah 5 ON a 00200300 1999 12 21 13 12 28 The system then sends the sequence to close the communication ATH Lastly the DTR signal is lowered for 0 5 sec If the telephone line is engaged or the remote modem does not respond the system tries to call again every 5 minutes until connection is achieved provided the alarm condition persists 3 like 2 with automatic call on occurrence of any alarm 4 like 2 with automatic call only for alarms 10 and with sending of the message only after recognition of the response from the remote modem by means of receipt of the character This procedure ensures the receiving computer does not lose any messages 5 like 4 with automatic call on occurrence of any alarm Menu keys 3 5 4 4 5 6 PERSONALIZ Dial Send Modem MENU 3 5 4 4 MODEM dial n 6543210 lt 2 3 gt REGOLAZIONE 5 dial 6 send 7 8 Press key 1 to exit this menu Use keys 7 and 8 to decrease or increase the number on which the cursor is positioned The cursor is moved using keys 2 and
40. nge Maximum height above sea level 1000 m ASL Air change with detaT 5 C m3 h 750 1000 1250 Direction of air flow Intake through the base and the front Extraction from the rear Max power dissipated in overload Ploss 1195 W 1588 W 1969 W 1021KCal h 1357KCal h 1683KCal h Mechanical Weight Kg 350 380 420 Dimensions mm 555x720x1200 N B 1 with ambient temperature over 45 C there will be a reduction of max power to the network 2 over 1000m lower the power by 1 for every 100m up to a maximum of 3000 Pg 26 42 OMNAO60D55 GB Rev 00 SIRIO Model K64 K80 K100 Input Max PV power Pmax 80 Kwp 100Kwp 125 Kwp Minimum recommended PV power Pmin 55 Kwp 70Kwp 80 Kwp Recommended Vo STC voltage Vo 540 640V DC voltage range MPPT Vcc 330 700 V Max DC voltage Vcc max 800 V Start up voltage Vstart up 390V Max DC current Icc max 205A 260A 320A Voltage ripple on modules 196 DC inputs 1 Output Rated AC power Pca 64 KW 80KW 100 KW Max AC power Pca 1h 71KW 88 KW 110 KW Rated voltage Vca 400 V three phase 15 Rated current Ica 92A 115A 145A Max current Ica 117A 146A 182A Rated frequency Fca 50 Hz 1Hz Distribution system TT TN S TN C Harmonic distortion of the network THD lt 3 96 with rated power current Power factor cos 0 99 with
41. nt loss of production Menu keys 3 5 7 PERSONALIZ IDENT MENU 3 5 7 Regolazione Press key 1 to exit this menu Use keys 7 and 8 to decrease or increase the number used for identification in systems where several inverters are connected to a single monitor The default number is 0 and can be changed with values from 1 to 255 Warning when several inverters are connected to the same monitoring system via RS485 bus each inverter has to be assigned a different identifying number 1 2 3 Menu keys 3 7 INVERTER OFF MENU 3 7 per Blocco Totale 47263 Comando OMNAO60D55 GB Rev 00 pg 39 42 Exit this menu by pressing key 8 or any other key with a different sequence than the one indicated Press keys 4 7 2 6 3 in succession as shown on the display to activate the inverter shutdown command The action following this command is executed with a few seconds of delay to allow for possible cancellation When this command is active the display shows the alarm COMMAND OFF ACTIVE 8 DEACTIV To return to normal operation even after the power supply to the inverter has been removed the command has to be cancelled by pressing key 8 or by sending the key code via the RS232 N B Enter code 436213 in the PERSONALIZATIONS menu keys 3 5 to mask the command code 47263 on the panel Repeat the operation to display the code again Menu key 4 recorder RECORDED EVENTS Messaggio allarme memoriz
42. nverter enters a limiting condition in order to eliminate the possibility of an overload If this condition lasts for long periods check that the inverter has been sized correctly with respect to the power of the photovoltaic field The overload in output P gt 100 has lasted longer pg 33 42 INTERNAL FAULT number OVERTEMPERATURE OR NO VENTILATION WRONG INPUT PHASE SEQUENCE BLOCK COMMAND ACTIVE 8 DEACTIV REMOTE BLOCKING COMMAND ACTIVE 8 DEACTIV BLOCK COMMAND ACTIVE EPO MEMORY CHANGED CODE number Pg 34 42 than the cut off time and thus the inverter has started to limit the power fed into the network to the rated value Pmax 100 The limitation state lasts for a time that varies according to the level of power injected into the network in the period following the limitation Contact the technical support service if this message is displayed Refer to the technical support manual to decode the fault number Alarm that occurs when one of the internal temperatures on the system card the inverter power modules or the output transformer has exceeded the maximum value allowed This may be caused by operation in an environment where the temperature is too high and or ventilation is poor a fault in the fans Indicates that the sequence of phases at the AC line input is not correct It is normally sufficient to switch the two phases over in order to obtain normal operation Alarm present whe
43. ondition not present The contacts have a max current flow of 0 5A at 42V REMOTE COMMANDS 2 commands available e BLOCK INVERTER Connect terminal 11 and terminal 12 to each other for at least 2 seconds command not saved when the contact is opened again the inverter will resume normal operation e INVERTER EMERGENCY STOP EPO If the jumper between terminals 13 and 14 is opened the inverter will block command saved when the contact is opened again the inverter will remain in a blocked state until key 8 on the command panel is pressed Pg 18 42 OMNAO60D55 GB Rev 00 D E RS232 2 DB9 connectors are available for RS232 connection The factory set transmission protocol is the following 9600 baud no parity 8 bits 1 stop bit The transmission speed may be varied from 1200 to 9600 baud using the PERSONALIZATIONS menu on the COMMAND PANEL Depending on the distance of transmission the recommended values for the transmission speed are 9600 baud 50m 4800 baud 100m 2400 baud 200m 1200 baud 300m See the diagrams below for the connection procedures D DB9 female RS232 1 INV Use a standard cable for connection with a computer computer eons 5 DB9 DB9 DB9 DBS RS232 1 INV See the figure for connection with a modem Modem CONONRWN A
44. pressing key 5 Its state can be seen in the basic menu 5 ON indicates that it is enabled and 5 OFF indicates that it has been silenced It can be silenced with key 5 in all menus where this key does not have other functions but can only be enabled from the basic menu The SILENCE CONDITION IS SAVED Signal messages In normal operating conditions without special requests for information or entering of commands by means of keys or from the remote RS232 line the LCD display shows some basic messages which are also referred to as the BASIC menu or NORMAL menu Other information can be obtained or commands entered by accessing submenus by pressing keys 1 to 8 in specific sequences A brief sound is made each time a key is pressed while the messages will only be changed when an enabled key is pressed The function of the keys in the Normal menu is shown by associated symbols while in other submenus this is indicated explicitly by the message Pg 32 42 OMNAO60D55 GB Rev 00 Return to the Normal menu is by pressing the appropriate keys or automatically approx two minutes after the last key is pressed Alarm messages Below is a list of the alarm messages that are shown on the first line of the display panel PAUSE WAIT INTERFERENCE ON AC NETWORK WRONG AC VOLTAGE LOW DIRECT VOLTAGE OVERLOAD LIMITATION DUE TO OVERLOAD OMNAO60D55 GB Rev 00 The inverter is in a paused condition If the condition that caused the pause
45. rent Icc max 59A 79A 98A Voltage ripple on modules 196 DC inputs 1 Output Rated AC power Pca 25KW 33KW 40KW Max AC power Pca 1h 28KW 36KW 44KW Rated voltage Vca 400 V three phase 15 Rated current Ica 36A 48A 58A Max current Ica 46A 60A 73A Rated frequency Fca 50 Hz 1Hz Distribution system TT TN S TN C Harmonic distortion of the network THD 3 96 with rated power current Power factor cos 0 99 with rated power Contribution to short circuit current Icc 68A 90A 110A Standards Electromagnetic compatibility YES CE conformity YES Protection devices and environmental conditions EN60529 level of protection IP20 Permitted temperature range T O C 45 c Non condensing relative humidity 9596 range Maximum height above sea level 1000 m ASL Air change with detaT 5 C m3 h 750 1000 1250 Direction of air flow Intake through the base and the front Extraction from the rear Max power dissipated in overload Ploss 1195 W 1588 W 1969 W 1021KCal h 1357KCal h 1683KCal h Mechanical Weight Kg 350 380 420 Dimensions mm 555x720x1200 N B 1 with ambient temperature over 45 C there will be a reduction of max power to the network 2 over 1000m lower the power by 1 for every 100m up to a maximum of 3000 OMNAO60D55 GB Rev 00 pg 29 42 SIRIO HV Mod
46. tenance of the device They should always operate with due precaution and wear personal protective equipment PPE e Maintenance must not be carried it inside the inverter when it is being powered from the mains or the DC voltage For maintenance switch the inverter off and open all the other switches Always use a multimeter to ensure that there are no dangerous voltages e There are dangerous voltages inside the equipment even when the input and output switches are in the open position trained personnel must wait around ten minutes for the capacitors to discharge before working on the inside of the inverter e The specialized technician must comply scrupulously with the following instructions for the installation and maintenance of the inverter e use insulated tools e observe polarities e ifthe fuses need replacing replace only with the same type e the replaced components must be disposed of in accordance with the legislation in force in the country of installation e Donot deactivate the protection devices or ignore the warnings precautions and alarms described in this manual or those shown on data plates on the equipment e Promptly replace any danger signals if they should become illegible through usage e The inverter must be used only with all side and internal panels duly secured and with the front door closed e Under no circumstances may the structure of the equipment the devices mounted on it the operating sequence
47. th the instructions provided below Pg 12 42 OMNAO60D55 GB Rev 00 1 Insert the forks of the fork lift truck in the lower part of the device from the front or back and ensure that they stick out about 30 cm on the other side If a transpallet is used raise the device only as much as is strictly necessary 2 Secure the device to the transpallet or fork lift before moving it Risk of overturning In order to avoid the risk of the device overturning ensure that it is firmly secured to the transpallet or fork lift truck by means of appropriate ropes before moving it The cabinet should be handled with care during these operations since knocks or drops can damage it Once in position remove the packaging carefully so as not to scratch the device The packaging should be removed as follows 1 Cut the bands 2 Carefully remove the cardboard packaging from above 3 Remove the screws securing the cabinet to the wooden base 4 Ifusing a transpallet remove the device from the pallet and place it on the floor using the same precautions as set out in the section on Handling POSITIONING Cooling air enters the inverter from underneath and through the grilles located on the front of the door and exits through the ventilation grilles which are either at the top of the device or at the back depending on the size of the equipment The following points should be taken into account when positioning the inverter
48. ton 8 to return to the basic menu the message NORMAL OPERATION will be displayed The first line of the panel should show the message NORMAL OPERATION while on the second line in the left hand corner the inverter model will be displayed according to the following coding SxxxH where XXX is the rated power of the inverter AC side expressed in KW H if present indicates an inverter with input voltage 450 760V HV N B If there is no AC network the inverter will not be powered and the display will remain off even if DC voltage is supplied by the photovoltaic modules Power must be supplied from the AC side in order to switch the inverter on FUNCTIONAL CHECK The correct operation of the inverter is shown on the LCD display by the normal operation message During irregular irradiation conditions the inverter may switch off and display the low irradiation message Restart after an event of this kind is delayed even when the DC voltage is sufficient and the countdown time to restart is shown on the display The countdown will not take place if the voltage is lower than the restart limit OMNAO60D55 GB Rev 00 pg 21 42 SHUTDOWN This operation will cause the inverter to shut down and disconnect from the AC power grid Shutdown procedure from the basic menu press key 3 then key 7 see the menu section enter the confirmation code 47263 after a few seconds the inverter will stop operating open SWOUT output switch open S
49. zato a 0000 0000 7 11 27 8 41 10 n 39 Use key 1 to exit this menu Key 2 activates the RECORDED MEASUREMENTS submenu Keys 3 4 and 5 keep their normal functions Use keys 7 and 8 to scroll through the list of historical data Key 6 activates the submenu 4 6 RECORDED CODES and is used to switch between the saved alarm message and the display of the status codes corresponding to the time of the saved event The status codes allow a more in depth analysis by trained personnel Menu keys 4 2 2 MEASUREMENT OF RECORDED VOLTAGES MENU 4 2 Vac 12 23 31 2397 396 396V f 50 1Hz Iac 1 2 3 107 107 107 A P 107XW n 39 Vdc 499V Idc 208 2A Ts 28 28max Tinv 49 49max C n 39 Access to the RECORDED MEASUREMENTS menu is via key 2 press 2 again to access the other measurement menus only from menu 4 RECORDED EVENTS or menu 4 6 RECORDED CODES Press key 1 to return immediately to the basic menu In the example n 39 flashing indicates that the measurements shown refer to the state relating to recorded event number 39 The meaning of the measurements is the same as for menu 2 with the exception of the currents which are displayed in percentages in relation to the rated current of the device Menu key 4 6 RECORDED CODES Pg 40 42 OMNAO60D55 GB Rev 00 MENU 4 6 s 0000 c 0001 b 1C20 081 08 i 0000 00 a 0000 0000 7 11 27 8 41 10 n 39 Access to the RECORDED CODES menu is via key 6 from menu 4 RE
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