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1. cccescscssssssrsssssecceessessessesseseessesasseesaesaesaneateenseeeness 18 Functionality and components of the equipment ccccecseesesessessessreeseessesseseeseateaees 19 Topographic diagram of the equipment c cccccssecsesssessesstseserssesseeceessecatsaessessesetesaeees 20 FP POLECUVE CE VIC CS sienien e eE EEA a 22 AA APNG sce seccuicsetceceesnen E RE 22 Ground fault in the photovoltaic panels ccccccceessesccsecsecsssseserseessessssssesaesseseeeeeeeeseneeess 22 FORUM ROIS CUVG QEVICES cscs snicass sasianatecuatnaetsariseesyeimsecasiainsounlengsstaunteneaniikeuuniaencsinicestnis 22 3 Safety and accident preventiOn s sssssssssssessssessesessseesseesseeeen 23 Safety instructions and general information essssssssusssnnnnnnsnnnnnnnnnnnnnnnnnnnnnnnnnnnnna 23 Hazardous areas and operations ssessussessnnsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnne 24 Environmental conditions and risks ccc ccc cccccccsccccseccssecesssceuescsueseeeeceuesceueseeueveuesesueseaneneats 24 OIC AIG ACS a R A S E N 24 TRIS MAZANG mee ee E A E OA EEA EEA EN 25 Clothing and protective devices for Staff cccccscsssssssssssssssssesssessessesssssesessesseserseeserees 25 PRES ICAI ERI SKS sairaeccecamecceavseceupestionreaenansenocevecqneraeespespiseoeneeasusputrewatennanenasieereaeceeneneneusesemoens 26 Table of residual ENS ie Secs accent ceria es vate cen cate aca bet dicate den pasevc
2. ccccccscsssssseesssseecsesecsesessessessessaeeaees 19 010811AG Power one Introduction and general information 1 A Renewable Energy Solutions The document and who it is for The manual must be read by all the professional figures who interact with the equip ment they must also be informed about possible residual risks Purpose and structure of the document This operating and maintenance manual is a valid guide that will enable you to work safely and carry out the operations necessary for keeping the equipment in good working order The document was originally written in ITALIAN therefore in the event of inconsisten cies or doubts please ask the manufacturer for the original document List of annexes In addition to this operating and maintenance manual if applicable or on request the following attached documentation is supplied EC declaration of conformity wiring diagrams and electronic diagrams quick installation guide service manual for the installer The aforesaid documents are for professional figures and or specialized staff The manual and its annexes cannot make up for cultural or professional deficiencies of operators and therefore the customer must make sure they are able to correctly interpret the information presented in the documentation WARNING Part of the information given in this document is taken from the original documents of the suppliers This document contains only the inf
3. Hook on the wiring box 02 iby inserting the head of the rear screws in the slots in the bracket remove the front cover and make all the necessary connections N B It is not necessary to install the inverter 03 at this stage e Remove the cover 04 to allow access to the connector between the wiring box and the inverter Put the cover in the special pocket provided at the back of the wiring box Hook the inverter to the bracket by inserting the head of the rear screws in the slots as shown in the figure To make lifting easier handles 06 or eyebolts M12 can be attached to the side holes pro vided Working from the bottom of the wiring box connect the two parts by screwing in the clamp screw 05 e Once the parts are connected screw in the two connector screws 07 situated inside the wiring box 93 Installation 5 010811AG AN POWEr ONne A Renewable Energy Solutions Installation 5 Operations preparatory to PV generator connection Checking the correct polarity of the strings Using a voltmeter check that the voltage of each string observes the correct polarity and falls within the input voltage limits accepted by the inverter see technical data If the voltage without load of the string is near the maximum value ac cepted by the inverter it must be borne in mind that with low ambient temperatures the string voltage tends to increase in a different way ac cording
4. b23 Oz Function Total Energy Value Daily energy value Photovoltaic generator DC voltage value DC current value DC DC circuit part DC AC circuit part AC voltage value AC current value Connection to the grid Grid status Cyclic display activated deactivated Instruments 6 Description Displays the total energy produced since installation of the inverter Displays the energy produced over a day Indicates that the PV generator voltage is higher than the Vstart of the inverter The indicated number represents the string or channel of which the voltage and current are displayed in the case of channels in parallel 1 is always displayed Displays the direct voltage from the input channel of the photovoltaic generator Displays the direct current from the input channel of the photovoltaic generator Indicates the DC DC input circuit part Booster Indicates the circuit part for conversion from DC to AC Displays the reading of the grid voltage alternating voltage The number at the side indicates the phase of which the AC voltage value is displayed Displays the reading of the current or frequency that is fed into the grid alternating voltage The number at the side indicates the phase 1 2 or 3 of which the AC current value is displayed These are displayed in sequence during connection to the grid Warning lights 22 and 23 stay on if connected to the grid or warning ligh
5. 010811AG la POWEr ONne A Renewable Energy Solutions Installation 5 Channel configuration examples PV generator characteristics MPPT configu Notes ration The photovoltaic generator consists A NECESSARY condition so that the two of strings having a different number MPP Ts can be used in independent mode is for of modules in series from each other or Comugu the photovoltaic generator connected to each N A E A E EN A O A ration The photovoltaic generator consists has to be IN of the inputs to have a power lower than the of strings that have different installa power limit of the single input channel AND a 7 DEPENDENT o tion conditions from each other maximum current lower than the current limit of the single input channel A NECESSARY condition so that the two MPPTs can be used in independent mode is for the photovoltaic generator connected to each The photovoltaic generator consists of strings having the same number of modules in series as each other The photovoltaic generator consists Possibility of the inputs to have a power lower than the of strings that have the same instal n of choosing power limit of the input channel AND a maxi lation conditions that is to say all a between the mum current lower than the current limit of the the strings have the same inclination from the horizontal and the same orientation to the SOUTH The photovoltaic generator con nected to each of the inputs has
6. Setting of Unit of M Allows you to set the unit of measure of the sensor SENSORS PT100 AND PT1000 can be directly connected to the corresponding analogue input the PT100 PT1000 inputs of the acquisition card do not require the configu ration of gain and offset PVI AEC T100 ADH adhesive PT100 sensor for module temperature measurement PVI AEC T100 BOX PT100 sensor for ambient temperature meas urement in IP65 container PVI AEC T1000 BOX PT1000 sensor for ambient temperature meas urement in IP65 container Table sensors with voltage output 0 10V Gain Offset U o M 120 0 W sq m Irradiation 120 Irradiation 0 Irradiation W sq m Cell temp 10 869 Cell temp 20 Cell temp C 15 50 C 10 50 C 5 0 m s 69 010811AG poe ono erio 7 A Renewable Energy Solutions Alarm Msg This section of the menu allows you to enter a customized message that is displayed on the display immediately after the specific error message has been displayed Enable Disable Enables Disables the display of customized messages Writing of Msg you can write your customized message that can be written on two lines of 16 characters each To write the message use the UP DOWN arrows to choose the character you wish to enter and press ENTER to confirm Information menu Product ID Allows you to display the product identification code e Serial No Allows you to display the serial number of the eq
7. buttons for at least 3 seconds 52 010811AG AN PoOWer one A Renewable Energy Solutions 6 Instruments General conditions One of the first rules for preventing damage to the equipment and to the operator is to have a thorough knowledge of the INSTRUMENTS We therefore advise you to read this manual carefully If you are not sure about anything or there is discordance of information please ask for more detailed information Do not use the equipment if you do not have suitable qualifications to work on this equipment or similar products you are unable to understand how it works you are not sure what will happen when the buttons or switches are operated you notice any operating anomalies there are doubts or contradictions between your experience the manual and or other operators Power One cannot be held responsible for damage to the equipment or the operator if caused by incompetence insufficient qualifications or lack of training sbie 010811AG AN POWEr ONne A Renewable Energy Solutions Display and keypad N b1 b3 b4 b5 b6 b7 b8 b9 b10 b11 Instruments 6 Description of symbols and display fields The operating parameters of the equipment are displayed through the display 23 warnings alarms channels voltages etc During operation the display behaves dynamically which allows some information to be displayed cyclically see
8. 202 80 Ib Wall bracket Plastic covers suitable for outdoor use Exposure to UV rays in accordance with UL 746C Transformerless R qm q I z O p 010811AG AN POWEr One A Renewable Energy Solutions Characteristics 2 Efficiency curves Graphs of the efficiency curves of all the models of inverter described in this manual are shown below The efficiency curves are linked to technical parameters that are continually being developed and improved and should therefore be considered approximate TRIO 20 0 TL OUTD S2 TRIO 20 0 TL OUTD D TRIO 20 0 TL OUTD S2X ncy Efficie C of Rated Output Power J TRIO 27 6 TL OUTD N TRIO 27 6 TL OUTD S2 TRIO 27 6 TL OUTD S2X Efficiency 500 Vdc 92 620 Vdc 91 800 vdc 90 0 10 20 30 40 50 60 70 80 90 100 a of Rated Output Power J 15 010811AG AN POWEr ONne A Renewable Energy Solutions Characteristics 2 Characteristics of a photovoltaic generator A PV generator consists of an assembly of photovoltaic modules that transform solar radiation into DC electrical energy and can be made up of Strings X number of PV modules connected in series Array group of X strings connected in parallel Strings and Arrays In order to considerably reduce the cost of installing a photovoltaic sys tem mainly associated
9. 50dB A at 1 m that the inverter makes during operation e Avoid electromagnetic interference that can compromise the correct operation of electronic equipment with consequent situations of danger Installations above 2000 metres On account of the rarefaction of the air at high altitudes particular conditions may occur that should be considered when choosing the place of installation e Less efficient cooling and therefore a greater likelihood of the device going into derating because of high internal temperatures e Reduction in the dielectric resistance of the air that in the presence of high operating voltages DC input can create electric arcs discharges that can reach the point of damaging the inverter As the altitude increases the failure rate of some electronic components increases exponentially because of cosmic radiation All installations at altitudes of over 2000 metres must be assessed case by case con sidering the aforesaid criticalities 34 010811AG AN POWEr ONne A Renewable Energy Solutions Installation 5 Installation position When choosing the place of installation comply with the following condi tions e Install on a wall or strong structure suitable for bearing the weight Install in safe easy to reach places If possible install at eye level so that the display and status LEDs can be seen easily
10. ACTIVE a03 Connectors for radiomodule card installation a04 Housing for memory card SD CARD a05 Rotary switches for setting the standard of the country and the language of the display a06 Ethernet port NOT ACTIVE a07 Switch for setting analogue sensor 1 to Volts or mA a08 Switch for setting analogue sensor 2 to Volts or mA a09 Connection to the multi function relay a10 Connection of environmental sensors AN1 AN2 PT100 PT1000 and tachometer wind version only a11 Connection of the RS485 PC line RS485 PMU line of the auxiliary 5V and of the remote ON OFF a12 Switch for setting the termination resistance of the RS485 PMU line a13 Switch for setting the termination resistance of the RS485 PC line a14 Connection of the RS485 PC line on RJ45 connector a15 RS485 PC communication card housing a16 Connection of the RS485 PMU line on RJ45 connector a17 RS485 PMU communication card housing a18 Switch for setting the inverter in normal or service mode a19 Inverter data memory card housing a20 Battery housing 44 010811AG AN POWEr ONne A Renewable Energy Solutions Installation 5 Connections to the communication card Each cable that must be connected to the communication card 09 must go through the three service cable glands 10 e One of size M25 that accepts a cable with cross section of between 10mm and 17mm Two hole gaskets are supplied for insertion in the cable gland which al
11. Interlock fail E034 IGBT not ready Error inside the inverter that cannot be checked externally Remote Off E035 Waiting remote The inverter has been switched off remotely remote OFF and remains in ON waiting state for the signal that will switch it on again remote ON Error not shown on the display Vout Avg error E036 Average Vout out The average grid voltage value every 10 minutes does not fall within the of range allowed ranges The grid voltage at the point connected to the inverter is too high Grid impedance too high Towards the end of the timeout the inverter limits the power to check whether the grid voltage stabilizes within the normal parameters If this does not happen the inverter disconnects from the grid Riso Low E037 Low insulation Error available in Amorphous mode only Function enabled only in inverters resistance equipped with grounding kit for monitoring the voltage at the ends of the amorphous grounding resistor The error appears when the voltage at the ends of the mode only resistor connected between ground and pole of the photovoltaic generator exceeds 30V for more than 30 minutes or 120V for more than one second E038 Mid bulk OV Error inside the inverter W001 Low input Insufficient irradiation voltage at switch Wrong configuration of the PV generator or a configuration at the limit as on regards the minimum input voltage of the inverter Mid Bulk OV Sun Low Input UV
12. Wrong Mode Bulk Cap Fail Inverter Fail Start Timeout Ground Fault Self Test Error 3 Self Test Error 1 Self Test Error 2 Self Test Error 4 h Internal error 7 Maintenance E013 Wrong Input The inverter is configured with parallel inputs In this particular configuration Mode parallel the inverter carries out the input voltage check of each of the two channels instead of and the alarm is triggered if the two voltages differ by more than 20Vdc independent E014 Over External temperature above 60 C The measurement of the temperatures is temperature carried out internally and is affected by the heat dissipated by the components of the inverter E015 Bulk Capacitor Error inside the inverter regarding a problem in the bulk capacitors Fail E016 Inverter module Problem in the inverter circuit part DC AC Error inside the inverter that cannot error revealed by be checked externally Booster E017 Inverter module Error inside the inverter regarding the time for starting steady state operation Start up timeout of the DC AC circuit part Inverter E018 Leakage current Presence of ground leakage current in the DC section of the system The fail alarm is accompanied by the lighting up of the red GFI LED on the front of the inverter The inverter may even also generate the E018 alarm message for AC leakage currents associated with the capacitive nature of the photovoltaic generator wi
13. a 8 Field of use general conditions ssssussssssunnsnnnnnnsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnna 9 Intended or allowed US einseieesieeresrreresirsrrrsrrsrrnsrrssiusrrurrnsrinnnunnnunirnninnnunninnnnnnnnnnnnnnnnas 9 Limits of the field Of US ste beech cece pe eccig erp ndeeee aces bccn ce tyes inaltecd be hreseabeacesteveceducccoiedacen 9 Improper or di alowed USE seese n T E EEEE 9 2 Characteristics sscccccsccscserssscsenssesesssesessesecnsseserssecsensseserssecsensnesenes 10 General GC ONCE INS scierie sE EEE EEEE EEE EAE 10 Models and range of CQUIPMENL cccsseescseesesseeseeseeseensesseeseeseesaeesessensaeeeeaes 11 Identification of the equipment and the manufacturer cece cescssceesesecersseessessnseeteaneeeeees 11 Characteristics and technical data ccccsssssssssccsssscesssessseessseessseessanessanessaessssesseaes 12 Overall dimensions sassesersiesenreniinnar ei endie eaea E aa aa ia aaee daas 14 EE A A E E E E A A E E E 15 Characteristics of a photovoltaic generator ssssssusssnnnunnsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnns 16 RUC AN AI AY 5 cee vce eee E Sseseesestetecerscstiheetsee oo seen seenes 16 Description of the CQUIPMENL cscsssstssrsesseeseecseesseeseetseeseeeseetseeseetseeesnesaneaes 17 SFU CAG QU aa E E AR E 17 Connection of several inverters tOQethe r ccccescscsesssrssscsssesseessessesessesseseesseeeeeeaeeen 18 Notes on the sizing Of the SYSLOM
14. and data tranSMiSSION ccsssssscscssessecseessesseesessessessesseessessaesaesseneees 58 PSE TMM SIAC IO OS serpip E TE E 58 Types of data available atest ctecesten ssc tpw ance yaistieessesece dnese spores pecnuseeceseraesoseustokoses ence eeereaos nae 58 COMMISSIONING ia eee ee EE 59 Dynamic benavio r of the diSplaV esasen S EE 60 LED DENIVIO UN mariri areo EEE NE E E A NAET 61 Specifications on the behaviour of the LEDS cccscssssssssseseescsessessessessessessesseeeeeeee 62 ETEW pire td E D E E E E A E E EEEE T 62 Description of the MENUS esa cccsaneversaneceneiisenyeescsinncraneesaectsenisamarxaesanatnctersseesseoviaeunensenicss 63 Using ine aiSpiay DUON S eae meee ne eee ee nen ne E S 63 S MMN e E E E E A 64 PENI MEN e E E E asentesseeea eeemacnsasaeeeeeee oes 66 ONONE E aya aceansensaiensee a vaeeienestnsueneteneoeriany at 70 PTO TE DEO CC GUIS issia p EE E E EEEE 71 Description of the tests that can be carried Out oo cc cccsssssecssssrscsscsrsssecsesesssessnsessenteneeees 71 I CEO enccteaieeceetema niceties miemaeneesanet 13 General CONAMNONS orainra Eaei AE EEE A EOE EAEE 13 Roue mMantenaNCE eserse ereinen EE i 14 Peca MAM eNO e A A 14 VARIN VGA saa A EI Senet E AA E E EE E T E fo SCO ACE ING CISIMANNUNING sekerce cette cpeccecectestecce ste aE EEEa 79 Storage of the equipment Or prolonged Stop ccccccscssssssssesseseesssessessessesseseessesseeeeeeess 19 Dismantling decommissioning and CiSPOSAl
15. be carried out with suitably insu lated instruments Staff must NOT go near the equipment with bare feet or wet hands Maintenance operations must be carried out with the equipment discon nected from the grid The maintenance technician must in any case make sure no one else can switch on or operate the equipment during the maintenance opera tions and must report any anomaly or damage due to wear or ageing so that the correct safety conditions can be restored The installer or maintenance technician must always pay attention to the work environment so that it is well lit and with sufficient spaces to ensure they have an escape route In the installation consider or make sure the noise emitted based on the environment is not such that it exceeds the thresholds allowed by law less than 80 dBA 25 010811AG A N POWEr One A Renewable Energy Solutions Residual Risks risks that cannot be eliminated preventing them Table of residual risks RISK ANALYSIS AND DESCRIPTION Noise pollution due to installation in unsuitable environments or where staff work permanently Suitable local ventilation that does not cause overheating of the equip ment and is sufficient not to create discomfort to people in the room External weather conditions such as water seepage low temperatures high humidity etc Overheating of surfaces at temperature transformers accumulators coils etc can cause burns Also
16. different types of connection can be made for each line e Connection of the conductors using terminal connectors a11 T R T R and GND e Connection via RJ45 connectors connected to ports a14 or a16 crimped according to the following arrangement Pin N Function 1 not used not used T R not used T R not used GND not used TOP DONO o CO Nl O1 amp GO RO Use a connector with metal body to provide cable shield continuity For long distance connections the connection on terminal connector is preferable using a shielded twisted pair cable with characteristic imped ance of Z0 120 Ohm like the one shown in the following table A TR Signal Symbol Pair Cable T R Positive data T R A 1 T B RTN Negative data T R A 2 Reference RTN B 1 2 Shield continuity must be provided along the communication line using the SH termi nal and must be grounded at a single point Procedure for connection to a monitoring system Connect all the units of the RS485 chain in accordance with the daisy chain arrangement in out observing the correspondence between signals and activate the termination resistance of the communication line in the last element of the chain by switching switch a12 or a13 to ON position being careful to switch the switch of the serial line used PC or PMU T
17. environments with particular flammability conditions or in adverse or disallowed environmental conditions temperature and humidity Using the equipment with the safety devices not working or disabled Using the equipment or parts of the equipment by connecting it to other machines or equipment unless expressly provided for Modifying the operating parameters that are not accessible to the operator and or parts of the equipment to vary the performance or change its insulations Cleaning with corrosive products that may corrode parts of the equipment or gener ate electrostatic charges Using or installing the equipment or parts of it without having read and correctly in terpreted the contents of the operating and maintenance manual Warming or drying rags and clothes on parts at temperature Besides being danger ous this would compromise the ventilation and cooling of the components 010811AG la POWEr ONne A Renewable Energy Solutions General conditions BE 2 Characteristics The description of the characteristics of the equipment allows its main components to be identified to refine the technical terminology used in the manual The technical terminology and the quick information finding system are assisted by the following e Contents e Numerical index of references e Index The Characteristics chapter contains information about the models the composition of the equipment the
18. g lt o gt Ve c S f S s O O O 4 A 2 D lt lt lt ho A i l E a12 OFF E a12 OFF i a13 OFF a13 OFF lt e a ee ere eee PC PMU 010811AG AN POWEr ONne A Renewable Energy Solutions Installation 5 If a single inverter is connected to the monitoring system activate the termination resistance of the communication line by switching switch a12 or a13 to ON position Set a different RS485 address on each inverter of the chain No inverter should have Auto as its address An address can be chosen freely from out of 2 to 63 The address on the inverter is set through the display and the push button panel see relevant chapter We recommend not exceeding a length of 1000m for the communication line No more than 62 inverters can be connected to the same RS485 line When using an RS 485 connection if one or more inverters are added later to the system you must remember to return to OFF position the switch of the termination resistance used PC or PMU of the inverter that was previously the last one of the system Each inverter is dispatched with two 2 as the predefined RS485 ad dress and with switch for setting termination resistance a12 or a13 to OFF position Monitoring systems The RS485 line can be connected to various monitoring devices that can be in local or remote mode For local monitoring Power One recommends connecting its PV
19. has a power higher than the power limit of the input channel OR a current higher than the current limit of the input channel This condition is sufficient from the point of view of the energy production of the system not from the point of view of inverter operation This condition is advisable from the point of view of the energy production of the system not from the point of view of inverter operation photovoltaic generator connected to the two inputs to consist of strings made by the same number of modules in series and for all the modules to have the same installation condi tions 37 010811AG AN POWEr ONne A Renewable Energy Solutions Installation 5 Input connection to the PV generator DC side Once the preliminary checks have been made and it has therefore been verified that there are no problems on the photovoltaic system and once the channel configuration has been chosen parallel or independent the inputs can be connected to the inverter The connections can also be made with the wiring box 02 detached from the inverter 03 that can be connected later for commissioning When working with the wiring box 02 detached pay particular attention to outdoor installations where the coupling connector must always be protected by installing the cover 04 on its housing The DC side connections are different according to the wiring box used The basic and S2 models use cable glands whereas the S2X mod
20. relevant chapter b11 Symbol Function gt Tx R wy RS485 O RF O Bluetooth CUFi WiFi A Warning iy Temperature derating HABE Instantaneous SHEE power value MPP scan Graphic Display ili Power graph Iss qa GEE A GEE AB fl Description Indicates the transmission and reception of data through the RS485 line Indicates the presence of the RS485 communication line Indicates the presence of the radio communication line NOT available Indicates the presence and enablement of the bluetooth communication line NOT available Indicates the presence and enablement of the WiFi communication line NOT available Indicates that the MPPT is detached functionality to be defined Clearly Indicates that the inverter is in derating due to high internal temperature Displays the instantaneous power that the inverter is feeding into the grid Indicates that the MPP scan function has been enabled through the menu Displays the inverter parameters in rotation and displays the error codes if present It is used for moving through the menu Displays the power trend of the inverter from 0 to 100 over 8 16 24 hours this parameter can be set 54 010811AG AN POWEr ONne A Renewable Energy Solutions N b12 b13 b14 b15 b16 b17 b18 b19 b20 b21 b22 Symbol HHHH J588 5888868 Q r zf 55888858 Pasay 123
21. stop unpacking and consult the car rier and also promptly inform Power One T 010811AG power one Lifting and transport 4 A Renewable Energy Solutions List of components Table Components of the equipment Components available for all models Quantity Connector 21 2500MF 3 2 Connector 21 2500MF 8 4 L key TORX TX20 1 Cylinder TGM58 2 Gasket 36A3M2025 2 Gland multi entry seal plug 6mm IP68 light grey 1 TGM613 Gasket multi entry seal neoprene M25 IP68 black 1 Components available for the S2X model only Quantity Female quick fit connectors 10 Male quick fit connectors 10 28 010811AG lan POWES ONnE Renewable Energy Solutions Lifting and transport 4 Weight of the equipment units Table Weights Mass Lifting Minimum Holes or Eyebolts weight in kg points rope height UNI2947 w A e r mm amm INVERTER unit TRIO 20 0 60 kg 4 1 200 M 12 TRIO 27 6 65 kg mounting kit with handles 06 and eyebolts to order WIRING BOX unit Basic and S2 7 kg 2 S2X 15 kg If the package is stored correctly it can withstand a maximum load of 4 pieces of equipment DO NOT stack with equipment or products other than those indicated 29 010811AG AN POWEr ONne A Renewable Energy Solutions 5 Installation General conditions Installation of the equipment Is carried out based on the system and the place in which the equipment is installed therefore
22. the grid will start during which icon b21 will come on and the icons on the line will be dis played in sequence until the inverter is connected After the inverter is connected the icons on the whole line b21 will come on steady If the inverter disconnects from the grid the icons of the left side cable and plug of the line b21 will stay on e Once the connection sequence has been completed the inverter starts to operate and indicates Its correct operation by making a sound and by the green LED coming on steady on the LED panel 25 This means there is sufficient solar radiation to feed power into the grid f the checking of the grid does not give a positive result the unit will repeat the procedure until all the parameters that allow connection to the grid grid voltage and frequency insulation resistance are within the range During this procedure the green LED flashes Dynamic behaviour of the display If the MPPT scan function is enabled icon b9 will be shown on the display See configuration in the MPPT settings menu section This icon will flash during scanning During operation the following values are displayed in rotation Voltage and current b15 and b16 from the PV generator According to the configuration or model of the inverter the voltages and currents of one or both channels or of the single strings will be displayed The input channel considered is indicated by the value entered on icon b14 Vol
23. to the photovoltaic module used In this case it is necessary to carry out a check of the sizing of the system and or a check on the connections of the modules of the system e g number of modules in series higher than the design number Checking of leakage to ground of the photovoltaic generator Measure the voltage present between positive and negative pole of each string with respect to ground If a voltage is measured between an input pole and ground it may be that there is a low insulation resistance of the photovoltaic generator and the installer will have to carry out a check to solve the problem Do not connect the strings if a leakage to ground has been found because the inverter might not connect to the grid 4 010811AG AN POWEr One A Renewable Energy Solutions Installation 5 Wiring Box components Basic S2 version a Janna O OUM CEI T Lt BIS LE LLL LLL Table electrical system components For both models of inverter 03 20 kW or 27 6 kW three wiring boxes 02 are available with different layouts TRIO XX X TL OUTD Basic version wiring box TRIO XX X TL OUTD S2 S2 wiring box version like the basic version but with AC DC disconnect switch 14 TRIO XX X TL OUTD S2xX S2X wiring box version more complete ver sion with quick fit connectors string fuses 22 DC overvoltage surge arresters 15 AC overvoltag
24. 010811AG Code 900001MAG Edit 01 08 2011 AN POWET 0 NG Renewable Energy Solutions Italy Facility Via S Giorgio 642 52028 Terranuova Bracciolini Italy 39 055 9195 1 Camarillo Facility 740 Calle Plano Camarillo California 93012 United States 805 987 8741 OPERATING AND MAINTENANCE MANUAL TRIO 20 0 TL TRIO 27 6 TL TRANSLATION OF THE ORIGINAL INSTRUCTIONS This manual must be considered as an integral part of the equipment and must be available at all times to everyone who interacts with the equipment The manual must always accompany the equipment even when it is transferred to another user Operators are under an obligation to read this manual and strictly follow the instructions given in it because Power One cannot be held responsible for damage caused to people or property or for damage to the equipment if the conditions described below are not complied with The customer is under an obligation to keep the industrial secret and therefore the following documentation and its annexes non may not be tampered with or modified reproduced or transferred to third parties without the authorization of Power One 010811AG lan POWEr One A Renewable Energy Solutions 1 Introduction and general information Warranty and supply conditions The warranty conditions are described in a special certificate sup plied with the equipment The warranty conditions are also con
25. 8W lt 1W 110 VAR 15 8 kHz PVI USB RS485_ 232 PVI DESKTOP PVI AEC EVO AURO RA UNIVERSAL PVI DESKTOP with PVI RADIOMODULE Graphic Display 25 60 C 13 140 F with derating above 45 C 113 F 40 80 C 40 176 F 0 100 condensing lt 50 db A 1m 2000 m 6560 ft 3 External IP 65 Natural Not applicable 010811AG AN POWESr ONE Renewable Energy Solutions Overvoltage Category in accordance with IEC 62109 1 Dimensions H x W x D Weight Packaging Dimensions H x W x D Full Packaging Weight Mounting System Exposure to UV rays Safety Safety Class Isolation Level Overall dimensions The overall dimensions are expressed in mm and in inches Characteristics 2 II for the DC in put circuit III for the AC output circuit 1060mm x 751mm x 291mm 41 7 x 29 6 x 11 4 Basic and S2 67 0 kg 147 70 lb S2X 75 0 kg 165 30 Ib 737mm x 800mm x 1200mm 29 x 31 5 x 47 2 Basic and S2 79 0 kg 174 10 Ib S2X 87 0 kg 191 80 Ib Wall bracket Plastic covers suitable for outdoor use Exposure to UV rays in accordance with UL 746C Transformerless 14 II for the DC in put circuit III for the AC output circuit 1060mm x 751mm x 291mm 41 7 x 29 6 x 11 4 Basic and S2 72 0 kg 158 70 Ib S2X 80 0 kg 176 30 Ib 737mm x 800mm x 1200mm 29 x 31 5 x 47 2 Basic and S2 84 0 kg 185 10 Ib S2X 92 0 kg
26. AC over voltage surge arresters 18 and AC DC disconnect switch 27 6 kW three phase MODELS TRIO 27 6 TL OUTD Basic version wiring box TRIO 27 6 TL OUTD S2 S2 wiring box version with AC DC discon nect switch TRIO 27 6 TL OUTD S2X S2X wiring box version with quick fit con nectors string fuses DC overvoltage surge arresters AC overvoltage surge arresters and AC DC disconnect switch Identification of the equipment and the manufacturer X den etc N B The plates must NOT be hidden with objects and extraneous parts rags boxes equipment etc they must be cleaned regularly and kept visible at all times The technical data shown in this manual do not in any case replace those shown on the plates attached to the equipment The plates attached to the equipment must NOT be removed damaged dirtied hid AN POWEer 0ne VW AURORA MODEL PHOTOVOLTAIC INVERTER TRIO 20 0 TL OUTD Made in Italy power one NS AURORA PHOTOVOLTAIC INVERTER Made in Italy ____ m _ _ C max acmm 400 V 3 3W N PE Dc MPP nom 50 Hz DC max 2x3 acnom 27600 W 45 C amb AC max 44A o M Cla 1 ee 2510 60 C 10 eines DIN VVDEOI26 1 1 13 to 140 F 010811AG la POWEr ONne A Renewable Energy Solutions Characteristics 2 Characteristics and technical data Table Technical Data Input Rated Input Power Pdcr Maximum Input Power Pdcm
27. C side of the photovoltaic generator When this fault is detected the inverter immediately disconnects from the grid and the relevant error warning appears on the LCD display ESC button This button allows you to exit a mode UP button This allows you to read the data on the display by scrolling upwards or to increase the set value to correct it during data entry DOWN button This allows you to read the data on the display by scrolling downwards or to decrease the set value to correct it during data entry ENTER button This allows you to confirm the operation or to enter the set data item In their various possible multiple combinations the LEDs can indicate conditions that are different from the original single one see the various descriptions given in the manual In their various possible multiple combinations the buttons allow you to obtain ac tions that are different from the original single one see the various descriptions given in the manual 56 010811AG AN PoOWer one A Renewable Energy Solutions Operation General conditions Before checking the operation of the equipment it is necessary to have a thorough knowledge of the INSTRUMENTS chapter and the functions that have been enabled in the installation The equipment operates automatically without the aid of an operator operating state is controlled through the instruments The interpretation or variation of some data Is reserved exclusivel
28. I USB RS485_232 adaptor between the first unit of the daisy chain and the computer Equivalent devices found on the market can also be used for the same purpose but bearing in mind that they have never been specifically tested Power One cannot guar antee correct operation of the connection Please note that these devices may also require an external termination impedance whereas this is not necessary with the Aurora PVI USB RS485_232 LAT 010811AG AN POWEr ONne A Renewable Energy Solutions Installation 5 Radiomodule The radiomodule card is an accessory used to replace the RS485 line for data transmission to the monitoring device The radiomodule card is installed vertically on the communication card 09 by connecting the two a03 connectors In turn wiring ending with an antenna installed outside the wiring box is connected to the radiomod ule The part of the wiring box where the antenna will be installed will be in place of one of the service cable glands 10 of size M20 Configurable relay The inverter has a multi function relay a09 whose switching can be configured It can be connected with normally open contact being con nected between the NO terminal and the common contact C and with normally closed contact being connected between the NC terminal and the common contact C This contact can be used in four different operating configurations that can be set in the dedicated menu Operatin
29. Install at a height that considers the heaviness of the equipment If this condition is not complied with it can create problems in the event of servicing unless suitable means are provided to carry out the operation e Install vertically with a maximum inclination of 5 If this condition is not complied with the inverter could go into temperature derating be cause of the worsening of heat dissipation To carry out maintenance of the hardware and software of the equip ment remove the covers on the front Check that there are the correct safety distances for the installation that will allow the normal control and maintenance operations to be carried out e Comply with the indicated minimum distances OK 02 02 02 02 e For a multiple installation position the inverters side by side f the space available does not allow this arrangement position the OK inverters in a staggered arrangement as shown in the figure so that heat 02 dissipation is not affected by other inverters 02 02 E NO I I I I I AI NT I I I I o o I I s92 010811AG lan POWES ONE Renewable Energy Solutions Wall mounting e Position the bracket 01 perfectly level on the wall and use it as a drilling template Drill the 10 holes required using a drill with 10mm bit The holes must be about 70mm deep Fix the bracket to the wall with the 10 wall anchors 10mm in dia meter supplied
30. RS 485 RS232 serial interface converter model number PVI USB RS485_232 It is also pos sible to use an optional data logger PVI AEC EVO Types of data available The inverter provides two types of data which are usable through the relevant interface software and or through the display 23 Real time operating data Real time operating data can be transmitted on request through the communication lines and are not recorded in the inverter For data transmission to a PC the free Communicator software supplied with the inverter can be used please check at www power one com for more updated versions Internally stored data The inverter internally stores a set of data that are necessary for process ing statistical data and an error log with time marking 58 010811AG A N POWEr ONne A Renewable Energy Solutions Commissioning NOTE Before proceeding with commissioning make sure you have carried out all the checks and verifications indicated in the section on preliminary checks Operation Do not place objects of any kind on the inverter during operation Do not touch the heatsink while the inverter is operating Some parts may be very hot and cause burns b10 b17 b19 b23 E day E total The inverter commissioning procedure is as follows Put the AC DC disconnect switch 14 in ON position If there are two separate external disconnect switches one for DC and the other for AC
31. SUG OP COV CIS testers rssc nde seeps E A I EN ABS plastic FP GIN enea A E E E E E E E A BAL orisu Gask ts and SIS airantean essen ceteady iat acthne anetsiseneeeusnabiannsetebsaudsteensiariustuanadgiapedteoreorisnattntoas Rubber Teflon Viton FSG ICAI CADIS arenu enea iE EAER EEE SE EENE EN EEEE EAEE Copper Rubber Canle Mayo senao E E E E E E A Polyethylene Nylon BACKUM DAOI sorene E A A A E unsere Nickel Lead Lithium
32. T100 temperature sensor a10 PT1000 Connection of a PT1000 temperature sensor o EEEE EEEN RIDA RTD2 RTDs con con 1000 1900 1000 RTD1 RTD2 RTD3 A1 A2 PT PT 100 100 100 Setting of the connected analogue sensors must be carried out by set ting the following values in the relevant menu GAIN OFFSET Unit of measure WTACH For each analogue sensor AN1 and AN2 it is also necessary to set the switch aQ or a08 to select whether the reading is in Volts or mA Each sensor model has precise configuration values that must be set meticulously 50 010811AG AN POWEr ONne A Renewable Energy Solutions Installation 5 Remote control o EEEo o CEEEEEEE The connection and disconnection of the inverter to and from the grid can be controlled through an external control The function must be enabled in the relevant menu If the remote control function is disabled the switching on of the inverter is dictated by the presence of the normal parameters that allow the inverter to connect to the grid If the remote control function is operating besides being dictated by the presence of the normal parameters that allow the inverter to connect to the grid the switching on of the inverter also depends on the state of the R ON OFF terminal compared to the GND terminal present on the con nector a11 of the communication card 09 When the R ON OFF signal is brought to the
33. This section of the menu allows you to set the name of the currency and the value given to 1 kWh of energy produced The correct setting of these parameters allows you to display the actual earning saving given by the system Name the chosen value is set default is Euro Val KWh indicates the cost incentive of 1 KWh expressed in the chosen currency default is 0 50 Date Time Allows you to set the current date and time daylight saving time not included e Language Allows you to set the required menu language Vstart This section of the menu allows you to set the Vstart voltage separately for both channels if they are configured in independent mode to adapt it to the requirements of the system We advise changing the activation voltage only if really necessary and to set it to the correct value the photovoltaic generator sizing instrument available on the Internet site of Power One indicates whether it is necessary to change the Vstart and the value to set e Autotest After the Autotest procedure the following information is available Nominal threshold set in the inverter Value of the quantity found during autotest Nominal operation time set in the inverter Operation time found The values can be used to fill in the attached ENEL documents lf the test is not passed the machine stops until the test is passed The tests that can be carried out are the following Max Voltage Disconnection from the grid
34. W002 Low input Insufficient irradiation voltage at switch Wrong configuration of the photovoltaic generator or a configuration at the off limit as regards the minimum input voltage of the inverter Grid Fail W003 Grid Fail The grid parameters fall outside the limits set by the grid company grid voltage No grid voltage after the warning the inverter goes on No Vac Unstable parameters grid voltage downwards and upwards Unstable grid frequency outside the limits W004 Output Output voltage above the parameters Overvoltage W005 Output Under Output voltage below the parameters voltage W006 Output Over The grid frequency has exceeded the upper limit set by the grid company frequency disconnecting from the grid W007 Output Under The grid frequency has exceeded the lower limit set by the grid company frequency disconnecting from the grid Grid OV Grid UV Grid OF Grid UF aye 010811AG la POWEr ONne A Renewable Energy Solutions Z grid Hi W008 Grid impedance out of range Table fail W009 Empty Wind Table o Bulk UV W011 Bulk Under voltage Battery low W012 Low internal clock battery voltage Clk fail W013 Internal clock fail Jbox fail W017 Fuse control board fail DC string fail SPD AC W018 SPD AC protection open protection open SPD DC W019 SPD DC protection open protection open Maintenance The grid impedance has exceeded the limits wind models only This error a
35. a power lower than the power limit of the input channel AND a current lower than the current limit of the input channel This condition is advisable from the point of view of the energy production of the system not from the point of view of inverter operation TAE DO oliate Dene talon cOhelsts A SUFFICIENT condition so that the two of strings having the same number MPP Ts must be used in parallel mode is for of modules in series as each other 3 oa Ea TRS Tale ERE eT the photovoltaic generator connected to each The photovoltaic generator consists of the inputs to have a power higher than the of strings that have the same instal os power limit of the single input channel OR a lation conditions that is to ey all MPPT configu maximum current higher than the current limit the strings have the same inclination configuration input channel with MPPT as An ADVISABLE condition so that the two INDEPENDENT MPPTs can be connected in parallel is for the or photovoltaic generator connected to the two PARALLEL inputs to consist of strings made by the same number of modules in series and for all the modules to have the same installation condi tions fon ihe nonzontaland he sane ration of the single input channel orientation to the SOUTH has tobe PAR An ADVISABLE condition so that the two ALLEL MPPTs can be connected in parallel is for the The photovoltaic generator con nected to each of the inputs
36. aesenstaunsacn sol cendietonscetntentevactbates 26 1 010811AG Power one Introduction and general information 1 A Renewable Energy Solutions 4 Lifting and tranSpott oeicconiiietasrceanieanesunnienoncesunicie 27 General CONANORNS seuraa anara iaei ANTEE EEEE AAEE ERETO 27 Tanpo UNG NANNING ge cece ets net too sts a E 21 i e E E ag gece ae E E E E E A 27 APRIO ANETO ONN iea E E A 21 AILS ae fee i 918 A eE A E ee 28 Weight of the equipment units ics oaeescetensnsesndasasteenssaasasentecpacdteatonedesterentummnusristeerenestiqna 29 EOE E e PAE E A EAA ere ee eT 30 General CoOndONS saprotu Enni E E A E EEE a EO 30 BON TINS TA OTN SCI eree E EE E E E E EE EES 31 Installations above 2000 TCU Cai savatatesnasiscvcunneesonsaastaseanmyeteavugisaceeraraerenianints en geaseneroras 31 PISTON AUOTY DO SION cz cea sansersarsincescesaivsecistyaeiestessiegetettan E diane aeneatawetedsets 32 WAU OUN N eoon ae oSA AAE EE AOE EA N AA EA 33 Operations preparatory to PV generator connection ssessssessssusnsnnsnnnnrnnnnrnrnnnnn 34 Checking the correct polarity Of the Strings cccccccscscssssssrseecseseeesseseesseseesseseeseseeeeeeass 34 Checking of leakage to ground of the photovoltaic Generator cccccccescesesseeessseseeeeees 34 Wiring Box COMPONENMG scscssscsessssssecseeseessesseeseessesseeseesseesessetsesseeseseessaeesesenens 35 Configuration of single or parallel connected input channels ccss
37. agnetic protection 40A 400V 63A 400V B C B C Type of differential protection AIAC AIAC 300mA 300mA Differential sensitivity 3 4 3 4 Number of poles Choice of differential protection downstream of the inverter In accordance with article 712 413 1 1 1 2 of Section 712 of IEC Standard 64 8 7 we hereby declare that because of their construction Power One Aurora inverters do not inject ground fault direct currents The use of an AC type circuit breaker with differential ther mal magnetic protection with tripping current of 300 mA is advisable so as to prevent false tripping due to the normal ca pacitive leakage current of pho tovoltaic modules All Power One Aurora string inverters marketed in Europe are equipped with a device for protection against ground faults in accordance with the safety standard set in Germany by Standard VDE V 0126 1 1 2006 02 please refer to section 4 7 of the Standard In particular Power One Aurora inverters are equipped with a redun dancy on the reading of the ground leakage current sensitive to all components of both direct and alternating current Measurement of the ground leakage current is carried out at the same time and independ ently by 2 different processors it is sufficient for one of the two to detect an anomaly to trip the protection with consequent separation from the grid and stopping of the conversion process There is an absolute threshold of 300 mA of total leakage curre
38. ardous areas and operations Environmental conditions and risks The equipment can be installed outdoors but only in certain en vironmental conditions that do not prevent its normal operation Adverse environmental conditions such as sun rain snow wind too hot or too cold altitudes humidity etc can lead to a reduction in performance Power One CANNOT be held responsible for disposal of the equip ment displays cables batteries accumulators etc and therefore the customer must dispose of these substances which are potentially harm ful to the environment in accordance with the regulations in force in the country of installation The same precautions should be adopted when scrapping the equipment The equipment is not equipped to operate in environments that have particular flam mability or explosive conditions The equipment was designed in compliance with energy conservation standards to avoid waste and unnecessary leakage The manufacturer has taken into due consideration the current energy saving standards in Italy The customer and or installer must appropriately instruct the operators or anyone who may come near the equipment and highlight if neces sary with notices or other means the hazardous areas or operations magnetic fields hazardous voltages high temperatures possibil ity of discharges generic hazard etc Signs and plates The plates attached to the equipment must NOT be removed da
39. ating current In any case the inverter does not stop because of the E023 error but tries to connect to the grid again Sporadic repetition of the error is a sign of large grid distortions or sudden changes in irradiation whereas a systematic repetition of error indicates an inverter fault E024 Internal Error Error inside the inverter that cannot be checked externally E025 Low insulation Before connecting to the grid the inverter measures the insulation resistance of not resistance the PV generator with respect to ground If the value of the insulation resistance shown measured by the inverter is below 1Mohm the inverter does not connect to on the the grid and shows the Riso Low error Causes display Damaged PV panels Junction boxes of the panels not properly sealed with water seepage and or damp Damp increases leakage and can therefore be the cause of a reduction in insulation resistance Problems in connections between the panels not perfectly connected Poor quality cable junctions Presence of unsuitable trigger voltage lower than the characteristics of the PV generator strings or damaged overvoltage surge arresters outside the inverter in the DC section Presence of damp inside the field panel if there is one 76 x 010811AG la POWEr ONne A Renewable Energy Solutions Vref Error E026 Bad internal Wrong measurement of the reference voltage inside the equipment reference voltage Erro
40. ax Rated Input Voltage Vdcr Input Activation Voltage Vstart Input operating range Vdcmin Vdcmax Maximum Input Power for each MPPT Input voltage Range for Operation at rated power with Configuration of the MPPTs in parallel Voltage Range for Full Power Operation with Con figuration of Independent MPP Ts Absolute Maximum Input Voltage Vmax abs Number of Independent MPPTs Maximum current for each MPPT Number of Pairs of DC Connections at Input Type of Input DC Connectors Maximum current accepted by the Input Connector Icon max Input protection Reverse Polarity Protection Short Circuit Inout Current Input Overvoltage Protection Varistors Input Overvoltage Protection DIN rail surge ar rester S2X version Isolation Control DC disconnect switch S2 and S2X version Fuses S2X version Output AC connection to the Grid Rated Output Power Pacr Maximum Output Power Pacmax Maximum apparent Output Power Sacmax Rated output voltage Vacr Output Voltage Range Vacmin Vacmax Maximum Output Current lacmax TRIO 20 0 TL OUTD 20500 Wp 22000 Wp 620 V 360 V adj 250 500 V 0 7 x Vstart 950 V 12000 W 410 800 V 480 800 V 12 0 kW 340 800 8 5 kW 1000 V 2 25 0A 5 for each MPPT S2X version Basic and S2 screw terminal board max cross section 50 mm S2X Weidmuller or MC4 or equivalent 20 0A S2X version 10A input fuse size Yes 30 0A 2 f
41. be careful not to block the cooling slits or systems of the equipment Inadequate cleaning compromises cooling and does not allow the safety plates to be read Accumulation of electrostatic energy can generate hazardous discharges Inadequate training of staff During installation temporary fixing can involve risks of unhooking from the bracket 01 Accidental disconnection of the quick fit connectors with the equipment in operation or wrong connections can generate electric arcs 26 Safety and accident prevention 3 Despite the warnings and safety systems there are still some residual These risks are listed in the following table with some suggestions for SUGGESTED REMEDY Reassess the environment or the place of installation Restore suitable ambient condi tions and air the room Maintain ambient conditions suit able for the system Use suitable protective equipment or wait for the parts to cool before switching on the equipment Clean the equipment plates and work environment adequately Ensure the devices have dis charged their energy before work ing on them Ask for a supplementary course Pay attention and prevent access to the installation area Pay attention and prevent access to the installation area 010811AG AN POWEr ONne A Renewable Energy Solutions 4 Lifting and transport General conditions Transport and handling Transport of the equipment
42. characteristics and technical data the overall dimensions and the identification of the equipment This manual should be read in chronological order as established by the manufac turer and the reader assumes responsibility for failure to do so All the information is given considering each time that the information of the preceding chapters has been acknowledged In some cases there may be a need to separately document the opera tion of the software or to attach supplementary documentation to this manual for more qualified professional figures 10 010811AG AN POWEr ONne A Renewable Energy Solutions Characteristics 2 Models and range of equipment The specific models of multi string inverter that this manual is about are divided into two groups according to the maximum output power 20 kW or 27 6 kW For inverters of equal output power the variant between the various models is the layout of the wiring box 02 The choice of model of inverter must be made by a qualified technician who knows BA about the installation conditions the devices that will be installed outside the inverter and possible integration with an existing system 20 kW three phase MODELS TRIO 20 0 TL OUTD Basic version wiring box TRIO 20 0 TL OUTD S2 S2 wiring box version with AC DC discon nect switch 14 TRIO 20 0 TL OUTD S2X S2X wiring box version with quick fit con nectors string fuses 22 DC overvoltage surge arresters 15
43. ched pay particular attention to outdoor installations where the coupling connector must always be protected by installing the cover 04 on its housing Characteristics and sizing of the line cable Cross section of the line con ductor mm 16 25 35 The cross section of the AC line conductor must be sized in order to prevent unwanted disconnections of the inverter from the grid due to high impedance of the line that connects the inverter to the power supply point In fact if the impedance is too high it causes an increase in the AC voltage that on reaching the limit set by the country of installation causes the inverter to switch off The table shows the maximum length of the line conductor based on the cross section of this conductor Maximum length of the line conductor m TRIO 20 0 TL OUTD TRIO 27 6 TL OUTD 42m 30m 70m 50m 100m 78m 138m 98m The values are calculated considering an energy loss along the line in rated power conditions not exceeding 1 41 010811AG AN POWEr ONne A Renewable Energy Solutions Installation 5 Load protection switch AC disconnect switch Type Voltage Current rating Magnetic protection characteristic To protect the AC connection line of the inverter we recommend install ing a device for protection against over current and leakage with the following characteristics TRIO 20 0 TL OUTD TRIO 27 6 TL OUTD Automatic circuit breaker with differential thermal m
44. cseseee 36 Configuration of parallel connected Channels c ccccsccccssssssssssssessessecsessssscsessesseseesaeas 36 Configuration of independent channels ccccccccsssssssssssssscsssesssesssssessesseseesessesseseeserees 36 Channel configuration examples ccccsscccssccssssssssssesssssseessecsesseseesaessessesessesseseseesaeees 37 Input connection to the PV generator DC Side s esssnunnnnusnnnnnnnnnnnnnnnnnnnnnnnsnnnnsnnns 38 Connection of inputs on the Basic and S2 MOdEIS cccccecesescssssesssssesseseseessesesersenees 38 Connection of inputs r the 32X Model os sesce ec srsseeest sacra ye acdetceneecesdees asda taod Eear 39 Procedure for installing Quick fit connectors c ccscsesssssssssseseesssessessessesatssesenseeseeseateaees 40 Grid output connection AC side c ssssssssssessecsesseesessesseesaessesessesseesessessessaesaneaes 41 Characteristics and sizing of the line Cable ccccccssssssssssscsssescsssssssessessesessessesseseeseesas 41 Load protection switch AC disconnect switch sesesnensnsnsnnnnnesrnrsrnrnnnninnnrnnnnnrinnnnnrnne 42 Choice of differential protection downstream of the inverter cccecesecsesssscsessssssesseseeees 42 Connection to the AC side terminal board c cccscsssssssssssescsscsssesseessessessesessesesersesarees 43 ORIG ALONE CANO siceacovarsecntsnastc sessnsinessansnmecvatsaspanccentenasecenuacabntesaoennsrmenecs
45. culated with the cur rency and conversion coefficient set in the relevant section of the SET TINGS menu CO Amount of CO saved over the last 365 days User period This section of the menu allows the statistics for a period selected by the user to be displayed Once the start and end dates for the period have been set the following data are available E Energy produced during the selected period Val Value of production for the selected period calculated with the currency and conversion coefficient set in the relevant section of the SETTINGS menu CO Amount of CO saved during the selected period 65 010811AG poe ono erion 7 A Renewable Energy Solutions Settings menu When SETTINGS is selected from the three main sub menus the first screen for the password is displayed in the display The default password is 0000 This can be changed using the display buttons always following the same procedure e Use ENTER to scroll the digits from left to right e Use ESC to return to the previous digit from right to left e Press ESC several times to return to the previous menus e Use DOWN to progressively scroll the numerical scale downwards from 9 to 0 e Use UP to progressively scroll the numerical scale upwards from 0 to 9 After entering the password press ENTER to access the information gathered in this section Address This section of the menu allows you to set the addr
46. cy nmax Weighted Efficiency EURO CEC Power Input Threshold Stand by Consumption Night time Consumption Night time Consumption Reactive Power Inverter Switching Frequency Communication Wired Local Monitoring opt Remote Monitoring opt Wireless Local Monitoring opt User Interface Environmental Ambient Temperature Storage Temperature Relative Humidity Noise Emission Maximum Operating Altitude Environmental pollution classification for external environment Environmental Category Physical Environmental Protection Rating Cooling system Air Flow Required for Cooling Characteristics 2 50 Hz 47 53 Hz 2 gt 0 995 adj 0 9 lt 3 Screw terminal board maximum cross section 35 mm In accordance with the local standard 34 0A 4 4 Class Il Not applicable 98 3 98 0 98 1 40 W lt 8W lt 1W 110 VAR 15 8 kHz PVI USB RS485_ 232 PVI DESKTOP PVI AEC EVO AURO RA UNIVERSAL PVI DESKTOP with PVI RADIOMODULE Graphic Display 29 60 C 13 140 F with derating above 45 C 113 F 40 80 C 40 176 F 0 100 condensing lt 50 db A 1m 2000 m 6560 ft 3 External IP 65 Natural Not applicable 43 50 Hz 47 53 Hz 2 gt 0 995 adj 0 9 lt 3 Screw terminal board maximum cross section 35 mm In accordance with the local standard 46 0A 4 4 Class Il Not applicable 98 3 98 0 98 1 40 W lt
47. due to Overvoltage that can be carried out on the three phases R S and T Min Voltage Disconnection from the grid due to Undervoltage that can be carried out on the three phases R S and T Max Frequency Disconnection from the grid due to Over Frequency Min Frequency Disconnection from the grid due to Under Frequency 67 010811AG poe ono eion 7 A Renewable Energy Solutions Alarm This section of the menu allows you to set the switching of a relay con tact available as a normally open contact N O and also as a nor mally closed contact N C This contact can be used for example to activate a siren or a visual alarm control the disconnect device of an external transformer or control an external device Maximum ratings of the alarm contact 240Vac 1A and 30Vdc 0 8A The switching of the relay can be set in 4 different modes PRODUCTION the relay switches when the inverter connects to the grid ALARM the relay switches when there is an alarm code E ALARM conf the relay switches if there are alarms code E or warn ings code W chosen by the user from a list the list may also show choices that are not envisaged for the specific model CREPUSCULAR the relay switches only when it exceeds the input voltage set for connection to the grid Remote Control This section of the menu allows you to enable disable the connection disconnection of the inverter
48. e necessary for the customer to appropriately inform the manufacturer about particular installation conditions Power One accepts no liability for failure to comply with the instructions for correct installation and cannot be held responsible for the systems upstream or downstream of the equipment it has supplied It is essential to provide operators with correct information They must therefore read and comply with the technical information given in the manual and in the attached documentation The instructions given in the manual do not replace the safety devices and technical data for installation and operation stuck on the product and they certainly do not replace the safety regulations in force in the country of installation and common sense rules The manufacturer is willing to train staff at its premises or on site in ac cordance with conditions to be set out in the contract Do not use the equipment if you find any operating anomalies Avoid temporary repairs All repairs should be carried out using only genuine spare parts which must be installed in accordance with their intended use Liabilities arising from commercial components are delegated to their respective manufacturers The handling and or lifting of very heavy parts or equipment over 30 kg must be carried out using suitable lifting equipment 599 010811AG power one S fety and accident prevention A Renewable Energy Solutions Haz
49. e surge arresters 18 and AC DC disconnect switch S2X version Ref Description 09 communication card 10 service cable glands 11 DC cable glands 12 jumpers 13 DC input terminal board 14 AC DC disconnect switch 15 DC overvoltage surge arresters 16 AC cable gland 17 AC output terminal board 18 AC overvoltage surge arresters 19 Input connectors MPPT1 20 Input connectors MPPT2 21 _anti condensation valve 22 _ string fuses a01 Switch for setting parallel connected or independent input channels a05 Rotary switches for setting the country and the language of the display 35 010811AG AN POWEr ONne A Renewable Energy Solutions Installation 5 Configuration of single or parallel connected input channels All versions of the inverter are equipped with two input channels there fore with double maximum power point tracker MPPT independent of each other which can however be connected in parallel using a single MPPT Strings of photovoltaic modules having the same type and number of panels in series must be connected to each single channel they must also have the same installation conditions in terms of orientation to the SOUTH and inclination from the horizontal plane When connecting the two input channels in parallel the aforesaid re quirements must be observed with the benefit of being able to use the full power that can be supplied by the inv
50. ed sub menu while moving though the menus and allows the main menu scroll mode to be changed icons b23 are activated CYCLIC Cyclic display of the main parameters of the inverter amp LOCKED Display locked on the screen you want to monitor continu ously 63 010811AG poke ono erion 7 A Renewable Energy Solutions Statistics menu selecting STATISTICS from the three main sub menus gives access to Total This section of the menu allows you to display the Total statistics Time Total operating time E tot Total energy produced Val Total production value calculated with the currency and conver sion coefficient set in the relevant section of the SETTINGS menu CO Amount of CO saved compared to fossil fuels e Partial This section of the menu allows you to display the partial statistics Time Partial operating time E par Partial energy produced PPeak Peak power value Val Partial production value calculated with the currency and conver sion coefficient set in the relevant section of the SETTINGS menu CO Partial amount of CO saved To reset all the counters of this sub menu press the ENTER button for more than 3 seconds At the end of this time you will hear a sound repeated 3 times e Today This section of the menu allows you to display the daily statistics E day Daily energy produced Ppeak daily peak power value Val Daily production value calculated with the cu
51. eed the grid and so that this energy can be used it has to be transformed into alternating current AC This conversion known as DC to AC inversion is made efficiently without us ing rotating parts and only through static electronic devices When used in parallel with the grid the alternating current generated by the inverter flows directly into the domestic electrical circuit which is in turn connected through a distributor to the national grid The solar energy system therefore powers all connected electrical de vices from lighting to household appliances etc When the photovoltaic system is not supplying sufficient power the power needed to ensure normal operation of the connected electrical devices is drawn from the national grid If on the other hand excess power is produced this is fed directly into the grid so becoming avail able to other consumers In accordance with local and national regulations the power produced can be sold to the grid or credited towards future consumption so bring ing about a saving of money Operating diagram PV generator Inverter Distributor National grid V Z N o o A 4 Ag ta ta a a a a a a bl z 4 E a 1 aaan Eannnnnbannn gt lt Ga ro S ta Cen raf ae woe P lt a a a a a a ae 010811AG AN POWEr ONne A Renewable Energy Solut
52. el uses quick fit connectors one for each pole of each string On the basic and S2 versions the connection in parallel of the strings array composi tion must take place upstream of the input in the inverter and must be made by techni cians during installation The S2X version accepts direct connection of the single strings with connectors accessible from the outside of the wiring box 02 To prevent electrocution hazards all the connection operations must be carried out with the AC DC disconnect switch 14 open and locked Connection of inputs on the Basic and S2 models For these two models connection with the DC input terminal board 13 is made by inserting the cables in the DC cable glands 11 The maximum accepted cable cross section ranges from 10 to 17 mm whereas each individual terminal of the terminal board accepts a cable with cross section of up to 50 mm Unscrew the cable gland remove the cover insert the cable of suitable cross section and connect it to the terminals on the DC input terminal board 13 Once the connection to the terminal board is complete screw in the cable gland firmly and check the tightness 38 010811AG AN POWEr One A Renewable Energy Solutions Installation 5 Connection of inputs on the S2X model For string connections using the S2X wiring box the quick fit connectors multicontact or weidmuller situated at the botto
53. ental conditions have not changed drastically exposure to weather conditions also check that the inverter or PV panels have not been shaded or isolated by foreign bodies Once a year or in the event of malfunctioning check the tightness of the cable glands 10 or 11 the fixing of the connectors and the fixing of the front cover 08 Seepages may cause problems of damp and consequent short circuits 1 000 h 1 000 h AIA 2 000 h Special maintenance Special maintenance operations can be carried out only by the installer or qualified staff Table special maintenance Every six months or in the event of anomalies especially after violent weather conditions check the DC overvoltage surge arresters 15 error W019 and the AC overvoltage surge arresters 18 error W018 Both surge arresters are class Il Also check the fuses error W017 only for S2X version and replace the damaged ones Before starting the inverter again the cause of the fault must be resolved Every six months or in the event of malfunctioning check the tightness of all the connections especially the quick fit connectors the cable glands 10 and 11 the terminal boards and the screws of the front cover 08 Every six months or in the event of malfunctioning check the inverter cooling fans Before connecting to the grid the inverter carries out a test on the internal fans and in the event of an anomaly generates an alarm signal Once a year or in the e
54. er grid side open and locked S T Terra For all models connection with the AC output terminal board 17 is made by inserting the cables in the AC cable glands 16 The maximum accepted cable cross section ranges from 20 to 32 mm whereas each individual terminal of the terminal board accepts a cable with cross section of up to 35 mm Unscrew the cable gland remove the cover insert the cable of suitable cross section and connect the conductors Neutral R S T and Ground to the terminals on the AC output terminal board 14 The connection of the inverter to the grid can be with three wires delta configuration or with four wires star configuration Be careful not to change round one of the phases with neutral Once the connection to the terminal board is complete screw in the cable gland firmly and check the tightness Before connecting the inverter to the national grid the standard of the country must be set To do this turn the two rotary switches a05 following the table shown in the relevant chapter LAZ 010811AG power one __stallation FX A Renewable Energy Solutions Communication card a01 20 a19 a02 a18 303 a17 1 a16 a04 i A Z 7 n n ZS 1 al5 Ol ats E a06 E a13 a12 a10 a07 a11 a08 a09 Communication card 09 Ref Description a01 Switch for setting parallel connected or independent input channels a02 Connector for the installation of WIFI modules NOT
55. eratures combined with high output powers Disconnection from the Indicates that the grid voltage for allowing the inverter to grid connect to the grid is not present The inverter shows the No Vac message on the display Failure to link the wiring Indicates that the installed wiring box only if replacing the box or the display card inverter was already associated with another inverter and to the control card of _ that it cannot be associated with the new inverter the inverter 61 010811AG poke ono eion 7 A Renewable Energy Solutions Specifications on the behaviour of the LEDs Next to each state of the inverter indicated through the steady or inter mittent lighting of the relevant LED a message that identifies the opera tion it is carrying out or the detected fault anomaly is also shown on the display 23 section b10 see relevant chapter Power one Renewable Fnergy Solutions POWER ALARM GFI ESC UP DOWN ENTER In the event of malfunctioning it is extremely dangerous to try to eliminate the fault personally The instructions given below must be strictly followed if you do not have the experience and necessary qualification to work safely please contact a special ized technician Insulation fault LED What to do after an insulation fault warning When the red LED comes on first try to reset the warning through the multi function button ESC on the LED panel 25 If the inv
56. erter duly reconnects to the grid the fault was due to temporary phenomena We advise having the system inspected by the installer or a specialized technician if this malfunctioning occurs frequently If the inverter does not reconnect to the grid make it safe by isolating it by means of the disconnect switches on the both the DC side and the AC side and then contact the installer or an authorized service centre to have the photovoltaic generator fault repaired 6 010811AG BOKY oe rOn A Renewable Energy Solutions Description of the menus The display 23 has a section b10 graphic display for moving through the menu using the buttons of the LED panel 25 Section b10 consists of 2 lines with 16 characters per line and can be used to display the operating state of the inverter and the statistical data e display the service messages for the operator e display the alarm and fault messages for the operator e changing the settings of the inverter Power one Renewable Fnergy Solutions POWER ALARM GFI ESC UP DOWN ENTER Using the display buttons e The UP and DOWN buttons of the LED panel 25 are used to move around a menu or to increase decrease the settable values The ESC button allows access to the three main sub menus STATIS TICS SETTINGS and INFORMATION This allows you to return to the previous sub menu while moving through the menus e The ENTER button allows access to the requir
57. erter on a single channel Whereas the double MPPT structure allows the management of two photovoltaic generators that are independent of each other one for each input channel and can differ from each other in installation condi tions type and number of photovoltaic modules connected in series A necessary condition so that the two MPPTs can be used in independent mode is for the photovoltaic generator connected to each of the inputs to have a power lower than the power limit of the single input channel and a maximum current lower than the current limit of the single input channel All the input parameters that must be observed for correct operation of the inverter are shown in the technical data table Configuration of parallel connected channels l T 01 Configuration of independent channels t The default configuration involves the use of the two input channels MPPT connected in parallel This means that the jumpers 12 between the two channels positive and negative of the DC input terminal board 13 are installed and that the switch a01 situated on the communication card 09 is set to PAR see user interface If you want to configure the inputs to independent mode remove the jumpers 12 situated between the two positives and the two negatives of the input channels and set the switch a01 situated on the communica tion card 09 by moving it to the IND position see user interface a01 36
58. especially by road must be carried out by suitable ways and means for protecting the components in particular the electronic components from violent knocks humidity vibration etc During handling do not make any sudden or fast movements that can create dangerous swinging Power One usually stores and protects individual components by suit able means to make their transport and subsequent handling easier but as a rule it is necessary to turn to the experience of specialized staff in charge of loading and unloading the components Where indicated and or where there is provision eyebolts or handles which can be used as anchorage points are inserted and or can be inserted The ropes and means used for lifting must be suitable for bearing the weight of the equipment Do not lift several units or parts of the equipment at the same time un less otherwise indicated Unpacking and checking We remind you that the packaging elements cardboard cellophane Staples adhesive tape straps etc can cause cuts and other injuries If not handled with care They should be removed by suitable means and not left in the hands of irresponsible people e g children The components of the packaging must be disposed of in accord ance with the regulations in force in the country of installation When you open the package check that the equipment is undamaged and make sure all the components are present If you find any defects or damage
59. ess for the serial communication of single inverters connected to the RS485 line The addresses that can be assigned are 2 to 63 Use the UP and DOWN buttons to scroll the numerical scale At present the AUTO selection cannot be used Setting of Display This section of the menu allows you to set the characteristics of the display 1 Light setting of the mode and adjustment of the brightness of the display Mode On Light always on Off Light always off AUTO Automatic light control The light comes on whenever a button is pressed and stays on for 30 sec after which it gradually goes out Intensity adjustment of display brightness scale from 1 to 9 2 Contrast adjustment of display contrast scale from 1 to 9 3 Buzzer button sound setting On the sound of the buttons is activated Off the sound of the buttons is deactivated e Service This section of the menu is reserved for installers To access this it is necessary to have a dedicated password that will be provided by the Power One Service 66 010811AG poke ono erion 7 A Renewable Energy Solutions e New PW This section of the menu allows you to change the password for access ing the settings menu default 0000 We ADVISE you to be very careful in memorizing the new password If the Password is misplaced it will not be possible to access the inverter since there is no Reset function for security reasons e Currency
60. ety ex D Lgs 626 94 of 18 9 1994 directives for improvement of occupational health and safety UNI EN ISO 14121 1 2007 Safety of machinery Principles for risk assessment e IEC EN 60204 1 2006 Safety of machinery Electrical equipment of machines Part 1 General requirements UNI EN 12198 2 2009 Safety of machinery Assessment and reduc tion of risks arising from radiation emitted by machinery EN ISO 11202 October 1997 Acoustics Noise emitted by machinery and equipment Measurement of emission sound pressure levels at a workstation and at other specified positions Survey method in situ e IEC 70 1 EN 60529 June 1997 Degrees of protection provided by enclosures IP code e ISO IEC 446 1989 Identification of insulated and bare conductors by colours e UNI 10893 2000 Technical product documentation instructions for use Organization and order of contents UNI ISO 10015 2001 Guidelines for training e ISO 7000 DIN 30600 Graphic symbols and signs for function identi fication e UNI 11394 2001 Technical information System for assessing the instructions for use of technical goods 010811AG A N POWEr One A Renewable Energy Solutions Symbols and signs gt gt gt gt O00 6 g Ns oh S n cD NA a be Introduction and general information 1 Table Symbols In the manual and or in some cases on the equipmen
61. first close the AC disconnect switch and then the DC disconnect switch There is no order of priority for opening the disconnect switches e Once the inverter is powered first of all icon b14 comes on to indicate that the voltage from the photovoltaic generator has exceeded the Vstart threshold voltage necessary for connecting the inverter to the grid For input voltages lower than Vstart the icon remains off the Waiting for sun message is shown on the display and the voltage and current values are present icons b15 and b16 e Then if there are no irregularities due to the checking of the grid volt age and frequency parameters the grid connection sequence starts Once all the checks are finished if all the grid parameters are complied with icon b22 comes on This check can take several minutes from at least 30 seconds to no more than a few minutes depending on grid conditions and grid stand ard settings At this point icon b17 flashes to indicate the start up phase of the DC DC circuit part booster This icon will stay on steady once the booster Is operating at steady state this icon will normally flash for only a few seconds Almost at the same time as icon b17 comes on steady icon b18 will come on to indicate that the inverter circuit part has begun working DC AC 59 010811AG poe ono erio 7 A Renewable Energy Solutions e Immediately after this the procedure of connection to
62. g modes Production the relay switches whenever a connection to and there fore a disconnection from the grid occurs So if the NO or NC contact is chosen the contact will stay open or closed until the inverter is connected to the grid once the inverter con nects to the grid and starts to export power the relay switches state and therefore closes or opens When the inverter disconnects from the grid the relay contact returns to its position of rest namely open or closed e Alarm the relay switches whenever there is an alarm on the inverter Error No switching occurs when there is a Warning NC Normally closed So if the NO or NC contact is chosen the contact will stay open or C Common contact closed until the inverter reports an error once the inverter reports an NO Normally open error the relay switches state and therefore closes or opens The contact remains switched from its rest condition until normal opera tion is restored 48 010811AG AN POWEr ONne A Renewable Energy Solutions Installation 5 Alarm configurable the relay switches whenever there is an alarm Error or a Warning which have been previously selected by the user through the dedicated menu If the NO or NC contact is chosen the contact will stay open or closed until the inverter reports an error or a warning out of those selected from the menu once the inverter displays an error or a warning out of t
63. gle phase R S T Description of the tests that can be carried out OV Test During this test the limit set for the maximum grid voltage AC is gradu ally reduced until the threshold is reached where disconnection of the inverter from the grid occurs A message indicating the start of the test is shown on the display At the end of the test when the inverter has disconnected from the grid the test result will be shown on the display Press the ESC button to go to the Autotest menu again to select the next test to be carried out oF te 010811AG poe ono eio 7 A Renewable Energy Solutions UV Test During this test the limit set for the minimum grid voltage AC is gradu ally increased until the threshold is reached where disconnection of the inverter from the grid occurs A message indicating the start of the test is shown on the display At the end of the test when the inverter has disconnected from the grid the test result will be shown on the display Press the ESC button to go to the Autotest menu again to select the next test to be carried out OF Test During this test the limit set for the maximum grid frequency Hz is gradually reduced until the threshold is reached where disconnection of the inverter from the grid occurs A message indicating the start of the test is shown on the display At the end of the test when the inverter has disconnected from the grid the test result
64. hose selected the relay switches state and therefore closes or opens the contact The relay remains switched from its rest condition until the alarm or warning has disappeared e Crepuscular the relay usually switches when the voltage from the photovoltaic generator exceeds falls below the threshold set for grid connection If the NO or NC contact is chosen the contact will stay open or closed until the inverter has an input voltage higher than the one selected for grid connection The contact remains switched from its rest condition for as long as the inverter is switched on even if not connected to the grid This mode is useful for disconnecting large output transformers that could have unnecessary consumption during the night The device to be connected to the relay can be of different types light sound etc but must comply with the following requirements Alternating current Maximum Voltage 240 Vac Maximum Current 1A Direct current Maximum Voltage 30 Vdc Maximum Current 0 8 A Cable requirements External diameter from 5 to 17 mm Conductor cross section from 0 14 to 1 5 mm 49 010811AG AN POWEr ONne A Renewable Energy Solutions Installation 5 Environmental sensors External sensors for monitoring environmental conditions can be con nected to the connectors of the environmental sensors a10 AN1 Analogue sensor 1 connection AN2 Analogue sensor 2 connection PT100 Connection of a P
65. ilure to carry out mainte nance or improper maintenance tampering or temporary repairs use or installation carried out by unqualified people Power one CANNOT be held responsible for disposal of displays ca bles batteries accumulators etc The customer must dispose of these substances which are potentially harmful to the environment in accord ance with the regulations in force in the country of installation 010811AG Power one Introduction and general information A Renewable Energy Solutions Contents 1 Introduction and general iNFOMATION 1 csssssssssssessssessssscssssessseesseseees 2 Warranty and supply conditions csscsssseeesecsesssessesseeseeeseeseesaeesessessaeeeesseesaeseneeaes 2 Not included in the SUNY seccertnade cetvan tues certain ectssnascteessscterrepaieeesritorspsstented ena hiesesrinnaesteciasSoteaecs 2 670 9 Cee eee a Eee EE ee eer 3 The document and who It iS fOf c cccssssssssscsssscessseessceessanessneessauessaesusausesauseseesesnesesnans 6 Purpose and structure Of the document c cccceccessssecseessesseerssessesceseseeaesaessesseseeseeseeeeeeess 6 HAS OT MMC OS E E PE EE 6 Staff characteristics sues osicancasucieacstatensbttectcssin ase ctcag Saeeaielcecerstivescisenessuteadetateashiterrusvastacueagtinvant 6 Reference regulations scssssssssscsesseeseesesssessessecsessessessesseesaeseesaesaessessenseesessaesansas T VIAN and SIONS aosa a eE EEE eters enant
66. ing is MEDIUM Multi max scan through the setting of this parameter you can enable 68 010811AG poe ono eion 77 A Renewable Energy Solutions Model Description PVI AEC IRR irradiation sensor PVI AEC IRR T irradiation sensor with integrated cell temperature sensor PVI AEC CONV T100 PT100 sensor ADH or BOX connected to PT100 0 10Vdc converter PVI AEC T1000 INTEGR Ambient temperature sensor with integrated 0 10Vdc converter PVI AEC WIND COMPACT Wind speed sensor disable the scan decide the frequency with which the scan is carried out and override it manually Enable Disable Enables Disables the scan for identifying the maxi mum power point of the system Scan Interval this allows you to set the interval of time between scans It must be borne in mind that the shorter the interval between scans the greater will be the loss of production due to the fact that during the scan energy is transferred to the grid but not at the maximum power point Each scan takes 2 seconds Manual Scan Allows you to start asynchronously to the periodicity set through the Scan Interval the manual scanning of the photovoltaic gen erator for peak point tracking Analogue Inputs This section of the menu allows you to set the analogue sensors con nected at the input AN1 and AN2 Setting of Gain Allows you to set the gain of the sensor Setting of Offset Allows you to set the offset of the sensor
67. ions Characteristics 2 Connection of several inverters together If the photovoltaic system exceeds the capacity of a single inverter it is possible to make a multiple connection of inverters to the system with each one connected to a suitable section of the photovoltaic field on the DC side and connected to the grid on the AC side Each multi string inverter will work independently of the others and will supply the grid with the maximum power available from its section of photovoltaic panels Notes on the sizing of the system Decisions about how to structure a photovoltaic system depend on a certain number of factors and considerations to make such as for example the type of panels the availability of space the future location of the system energy production goals over the long term etc A configuration program that can help to correctly size the photovoltaic system is available on the web site of Power One www power one com 18 010811AG la POWEr ONne A Renewable Energy Solutions Characteristics 2 Functionality and components of the equipment Data transmission and control The inverter or a network of several inverters can also be monitored remotely through an advanced communication system based on an RS 485 serial interface or a radio module Radiomodule The radiomodule card is an accessory that is used to replace the RS 485 line for data transmission to the monitoring device Analog
68. itch 2 0 TI The inverter is configured using the rotary switches a05 Before turning the rotary switches make sure the inverter is switched off At the same time as the grid standard is set the language of the dis play menus is also set Table country standard and language The table below shows which country grid standard and menu language are assigned to the various positions of the rotary switches a05 Country Grid Standard Display menu language NON ASSIGNED ENGLISH VDE 0126 400V GERMAN ENEL 400V ITALIAN Reserved The predefined setting is 0 0 and means no grid standard is selected and the display language is English in this case the Set Country mes sage will appear on the display If a position of switches not assigned on the display 23 is selected Invalid Selection appears Saving the country standard and language The settings become fixed after 24 hours of operation of the inverter it does not need to be connected to the grid and only needs to be pow ered The time remaining before the settings become fixed can be seen in the dedicated menu and a notice appears if the time has expired Once the settings are fixed turning the rotary switches will produce no effect In this condition only the language can be changed through the dedicated menu At any time and for any reason the ENGLISH language of the display menu can be set by simultaneously pressing the ESC and ENTER
69. its performance depends on the correctness of the connections the type of photovoltaic modules and the calibrations of the distribu tion system Staff authorized to carry out the installation must be specialized and ex rn perienced in this job they must also have received suitable training on oN equipment of this type The operation must be carried out by specialized staff it is in any case Ses S advisable to comply with what is written in this manual and follow the diagrams and attached documentation The installation must be carried out with the equipment disconnected from the grid power disconnect switch open and with the photovoltaic panels shaded or isolated 30 010811AG AN POWEr ONne A Renewable Energy Solutions Installation 5 Environmental checks e Consult the technical data to check the environmental parameters to be observed degree of protection temperature humidity altitude etc e Do not expose to direct sunlight to avoid unwanted power derating due to an increase in the internal temperature of the inverter Do not install in small closed rooms where air cannot circulate freely e To avoid overheating always make sure the flow of air around the inverter is not blocked Do not install in places where gases or flammable substances may be present e Do not install in rooms where people live or where the prolonged pres ence of people or animals is expected because of the noise about
70. low two separate cables with cross section of up to 6mm to go through e Two of size M20 that accept a cable with cross section of between 7mm and 13mm Two hole gaskets are supplied for insertion in the ca ble gland which allow two separate cables with cross section of up to omm to go through The sensor cables are connected to the communication card 09 by means of the terminal connectors supplied The cables for connecting the RS485 PC and RS485 PMU line can use both the terminal connectors a11 and a RJ45 connector to be con nected to the dedicated port a14 or a16 The two RJ45 connectors A and B available for RS485 PC and RS485 PMU communication are equivalent to one another and can be used without distinction for the end or for the restart of the line in making the daisy chain connection of the inverters This also applies to connections made using the terminal connectors a11 Serial communication RS485 There are two RS485 communication lines on the inverter PC dedicated line for connecting the inverter to monitoring devices or for making the daisy chain connection in out of several inverters The line can also even accept power management controls PMU power management unit dedicated line for power management by the power distributor in the country where the inverter is installed 45 010811AG AN POWEr ONne A Renewable Energy Solutions Installation 5 Two
71. ly report any anomalies DO NOT allow the equipment to be used if problems of any kind are found and restore the normal conditions correctly or in case make sure this is done Always use the personal protective equipment provided by the employer and comply with the safety conditions of the Accident prevention chapter Power One accepts no liability if the checking and maintenance cycles indicated in this manual and in the attached documentation are not com plied with correctly and also when maintenance is entrusted to unquali fied staff To maintain the correct working performance have the systems checked by your installer after about 5 years of activity sile 010811AG la POWEr ONne A Renewable Energy Solutions Maintenance Routine maintenance Routine maintenance operations can be carried out directly by the user or by the installer Table routine maintenance Clean the equipment once a month in particular the lower grille on the wiring SN box02throughwhichtheairforcoolingtheheatsink26 passes andtheheatsink 200 h If possible use compressed air an extractor or suitable pipe cleaners Clean the photovoltaic panels every six months at the change of season SN or as necessary The performance of the system depends very much on the condition of the PV panels To clean follow the specifications of the PV panel supplier Every six months or in the event of malfunctioning check that the environm
72. m of the mechanism are used For each input channel there are two units of 10 connectors Inout connectors MPPT1 19 with codes from 1A to 1E 5 strings Inout connectors MPPT2 20 with codes from 2A to 2E 5 strings Connect all the strings included in the design of the system and always check the tightness of the connectors If some string inputs are not used check that there are covers on the connectors and install them if they are missing This operation is necessary for the tightness of the inverter and to avoid damaging the free connector that could be used at a later date In this version of the wiring box it is NECESSARY not to carry out the paralleling of the strings outside the inverter This is because the string fuses 22 situated on each input are not sized to take strings in parallel array This operation can cause damage to the fuse and consequently malfunctioning of the inverter 39 010811AG AN POWEr ONne A Renewable Energy Solutions Procedure for installing quick fit connectors The quick fit connectors S2X model only supplied can be of two different types WEIDMULLER The installation of Weidmuller connectors does not require special tools Strip the end of the cable to which you are going to attach the connec tor after making sure it conforms to the limits of the connector Insert the cable in the con
73. maged dirtied hid den etc The plates must be cleaned regularly and kept visible at all times and therefore they must NOT be hidden with objects and extraneous parts rags boxes equipment etc The technical data shown in this manual do not in any case replace those shown on the plates attached to the equipment 24 010811AG A N POWEr ONne A Renewable Energy Solutions Safety and accident prevention 3 Thermal hazard WARNING removal of guards or covers is allowed only 10 minutes after the voltage has been removed this is to let the components cool down and allow any electrostatic charges and parasitic voltages to be discharged When the equipment has just been switched off it may have hot parts as a result of overheating of the surfaces at temperature e g trans formers accumulators coils etc so be careful where you touch In the event of fire use CO foam extinguishers and use auto extraction systems to fight fire in closed environments Clothing and protective devices for staff Power One has eliminated sharp edges and corners but in some cases it is not possible to do anything and we therefore advise wearing the clothing and personal protective equipment provided by the employer Staff must not wear clothes or accessories that can start fires or generate electrostatic charges or in general clothing that can impede personal safety All operations on the equipment should
74. naineneu Ad Connections to the COMMUNICATION CAI scssescseeseesseeseeseeseeseeseessensessetseeseeeas 45 Serial communication FRS40 9 ssicaececcencseessayscaessciseaznedteocoed ond smotonaadsiusddeieevensbesantedebaveeenpecceeec 45 Procedure for Connection to a monitoring System cccccesessccesessssessecsesesseesesesseseesseeeeea 46 MONHOnNO SYSTEMS ects sete ree EEEE ES e E E EE a ERa 47 RaO MOUE e i E ne ee ee ee eee 48 CONGUE NOII eee eee ce earn ee ena ee ee eee ere nner ree eee 48 PWV FONSI WAN SETI SONS serr nier E EA 50 POTO ONT OL a N E E EA 91 AOIG S y OUMU ioaren eee ne E ee ee ee E E E 51 EDIE a ee E E EE EIEEE E EEEE ee 51 Setting the country and the language ssssssssssssnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnna 52 saving the country standard and lanQuage ccccsssssssscsssssssscssssssesseeseeseesesseesssesarses 52 010811AG Power one Introduction and general information 1 A Renewable Energy Solutions 6 INS ES hectic cetera eemeenanienaes 53 General CONdMNONS sorana Een EEEE EAEE A AEEA EAEE 53 DISO aNG RO A sopiras naear EEEE E EE OR EEEE EE 54 Description of symbols and display fleldS ccccccccccsscssssscsssscsscsessesseseseesessesseseseseneas 54 ESCH WON OLME MOVE AC ronan EREE N a 56 Operati n sssssessensennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 57 Genaral COUGNTIONS irinenn ea a ESEE NAA AEAEE A EAEN 57 Monitoring
75. nector until you hear a locking click Fully tighten the knurled ring nut for optimum locking MULTICONTACT or equivalent The installation of Multicontact connectors requires crimping that must be carried out using a suit able tool Strip the end of the cable to which you are going to attach the connector after making sure it conforms to the limits of the con nector Attach the terminal to the con ductor using the special crimping pliers Insert the cable with terminal into the connector until you hear the click that indicates the terminal is locked inside the connector Firmly tighten the cable gland to finish the operation 40 Installation 5 010811AG AN POWEr ONne A Renewable Energy Solutions Installation 5 Grid output connection AC side One Sone jae manni Laara For the connection of the inverter to the grid you can choose between a star connection 3 phases neutral and a delta connection 3 phases In any case connection of the inverter to ground is mandatory The cable you use can be 5 pole star configuration or 4 pole delta configuration and must pass through the AC cable gland 16 to make the connections to the AC output terminal board 17 The connections can also be made with the wiring box 02 detached from the inverter 03 that can be connected later to be put in service When working with the wiring box 02 deta
76. ng conditions During this phase the input power is wait for grid check sufficient and the inverter checks the conditions necessary for connection to the grid for example value of the input voltage value of the insulation resistance etc The inverter is The machine is operating normally During this phase the connected and feeds inverter automatically carries out a research and analysis power into the grid of the maximum power point MPP available from the photovoltaic generator Anomaly in the The inverter indicates that too low an insulation resistance insulation system of the R iso has been detected presence of a leakage to photovoltaic generator ground of the PV generator and feeds the power extracted from the photovoltaic generator into the grid The problem may be connected with an insulation fault in the PV modules or in the connections DC side amp We have Whenever the control system of the inverter detects an Anomaly warning W anomaly W or fault E in the operation of the monitored amp warning codes system the yellow LED comes on steady and a message Error error E warning indicating the type of problem found appears on the display codes 23 The error can be inside or outside the inverter see Alarm messages Internal ventilation Indicates an operating anomaly in the internal ventilation anomaly This does not cause much of a problem to the inverter because the fan starts only at high temp
77. nt The diagram shown is a topographic diagram of the operation of the in verter The main blocks are the input DC DC converters called boosters and the output inverter Both the DC DC converters and the output inverter operate at a high switching frequency and so enable a compact size and relatively light weight to be achieved Each of the input converters is dedicated to a separate array with inde pendent maximum power point tracking MPPT control This means that the two arrays can be installed with different positions and orientation Each array is controlled by an MPPT control circuit The two trackers can be configured when required in parallel to han dle power and or current levels higher than those a single tracker can handle This version of inverter is transformerless meaning it has no galvanic isolation between input and output which enables a further increase in conversion efficiency The inverter is already equipped with all the necessary protective devices for safe operation in compliance with the regulations even without an isolation transformer The inverter is controlled by two independent DSPs Digital Signal Proc essors and a central microprocessor The connection to the electricity grid is therefore controlled by two inde pendent computers in full compliance with electrical standards regard ing system powering and safety The operating system performs the operation of communicating with the relevant c
78. nt AC DC with protection tripping time at a max of 300 msec In addition there are another three tripping levels with thresholds re spectively at 30 mA sec 60 mA sec and 150 mA sec to cover the rapid changes in fault current induced by accidental contact with leaking live parts The max tripping times are progressively shortened as the speed of change in the fault current increases and starting from the 300 msec max for the 30 mA sec change they are shortened respectively to 150 msec and 40 msec for 60 mA and 150 mA changes It should in any case be noted that the integrated device only protects the system against ground faults that occur upstream of the AC terminals of the inverter namely towards the DC side of the photovoltaic system and consequently towards the photovoltaic modules The leakage currents that can occur in the AC section between the draw feed in point and the inverter are not detected and require an external protection device For protection of the AC line on the basis of the aforesaid with regard to the differential protection integrated in Power One Aurora inverters it is not necessary to install a type B ground fault interrupter 42 010811AG AN POWEr ONne A Renewable Energy Solutions Neutro R Installation 5 Connection to the AC side terminal board To prevent electrocution hazards all the connection operations must be carried out with the disconnect switch downstream of the invert
79. nt can be in one of the following States OK UNB unbalanced current and ABS absent s70 010811AG poke one eion 7 A Renewable Energy Solutions AUTOTEST procedure Complies with the guide for connections to the electricity grid of ENEL distribuzione According to the guide for connections to the electricity grid of ENEL distribuzione the autotest can be started through the display menu or using an RS485 USB converter through the dedicated interface soft ware The necessary conditions for being able to carry out the Autotest are as follows To have set the ENEL grid standard e The inverter must be connected to the grid so as to be able to simulate the disconnection condition e Do not carry out any operations during execution of the test e Check that the device is permanently connected to the grid Execution of the autotest through the display menu Go to SETTINGS gt Autotest gt OV Test R OV Test S OV Test T UV Test R UV Test S UV Test T OF Test UF Test In the section of the menu dedicated to the Autotest the type of test the device is to start can be selected from the following OV Test Disconnection from the grid due to Overvoltage UV Test Disconnection from the grid due to Undervoltage OF Test Disconnection from the grid due to Over Frequency UF Test Disconnection from the grid due to Under Frequency The OV and UV tests can be carried out on each sin
80. omponents to carry out data analysis All this guarantees optimal operation of the entire unit and high efficiency in all insolation and load conditions always in full compliance with the relevant directives standards and provisions 20 1dO i FJINGOW LdO auv gt OIGV lAd 4ANYSHL3 as I a A AA A dr LINDYID 104LNOD J NIYOLUNON dAo f oNIadvIY LINJAN l l l l l I l I l I I I l l l l l I I l I l I l I ea eas ONIGW3E INa8END Gerroroe se mA 5 i jj o AY 1Y dat TaTTVueVd Cld5 ann Jp 9v 9q SdY2 yN Ya3LYJANI Renewable Energy Solutions POWES ONneE IVLLBOLO 21 010811AG AN POWEr ONne A Renewable Energy Solutions Characteristics 2 Protective devices Anti Islanding In the event of a local grid outage by the electricity company or when the equipment is switched off for maintenance operations the inverter must be physically disconnected safely to ensure protection of people work ing on the grid all in accordance with the relevant national standards and laws To prevent possible islanding the inverter is equipped with an automatic protective disconnection system called Anti lslanding Ground fault in the photovoltaic panels This inverter must be used with panels connected with floating con nections that is with positive and negati
81. or each MPPT 3 Class II for each MPPT In accordance with the local standard 40 A 1000 V 10 A 1000 V 3 Phases star or delta configuration 20000 W 22000 W 22300VA The rated power is also guaranteed with cos fi 0 9 400 Vac N PE 320 480 Vac 1 33 0 A 12 TRIO 27 6 TL OUTD 28200 Wp 30000 Wp 620 V 360 V adj 250 500 V 0 7 x Vstart 950 V 16000 W 500 800 V 500 800 V 16 0 kW 385 800 12 2 kW 1000 V 2 32 0 A 5 for each MPPT S2X version Basic and S2 screw terminal board max cross section 50 mm S2X Weidmuller or MC4 or equivalent 20 0A S2X version 10A input fuse size Yes 40 0A 2 for each MPPT 3 Class II for each MPPT In accordance with the local standard 40 A 1000 V 10 A 1000 V 3 Phases star or delta configuration 2 600 W 30000 W 31000 VA The rated power is also guaranteed with cos fi 0 9 400 Vac N PE 320 480 Vac 1 45 0 A 010811AG AN POWEr One A Renewable Energy Solutions Rated Output Frequency fr Output Frequency Range fmin fmax Rated Power Factor Cosphiacr Total Harmonic Distortion of Current Type of AC Connections Output protection Anti islanding Protection Maximum AC Overcurrent protection Output Overvoltage Protection Varistors Output Overvoltage Protection DIN Rail surge ar rester S2X version Night time disconnection Operating performance Maximum Efficien
82. ormation considered necessary for the use and routine maintenance of the equipment Staff characteristics The customer must make sure the operator has the necessary skill and training to do his her job Staff in charge of using and maintaining the equipment must be skilled aware and mature for the described tasks and must have the reliability to correctly interpret what is described in the manual The employment of a person who is NOT qualified is drunk or on narcotics has a prosthetic mitral valve or a pacemaker is strictly forbidden The customer is civilly liable for the qualification and mental or physical condition of the professional figures who interact with the equipment They must always use the personal protective equipment provided for by the laws of the country of destination and whatever is provided by their employer 010811AG AN POWEr ONne A Renewable Energy Solutions Reference regulations Introduction and general information 1 The reference standards complied with in the design and manufacture of the equipment are described below CE e 2006 42 EC Implementation of directives 89 392 EEC 91 368 EEC 9344 EEC and 93 68 EEC for the CE marking 2006 95 EC Low voltage directive ex 73 23 EEC 2004 108 EC Electromagnetic Compatibility Directive Italian Legisla tive Decree D Lgs 6 11 2007 no 194 ex 89 336 EEC D Lgs no 81 of 9 4 2008 Implementation of the Consolidation Act on saf
83. ppears when there is malfunctioning of the fan s inside the inverter In this condition the yellow LED on the front panel flashes Error not shown on the display Reading of the internal voltage on the bulk capacitors carried out when the inverter is connected to the grid Internal battery for maintenance of the date time settings is discharged or damaged The alarm appears when the time shown on the display differs by more than 1 minute from the internal time of the microprocessors and indicates clock circuit malfunctioning Error inside the inverter that cannot be resolved with external operations Fuses on the boards are damaged Check that input current on the string does not exceed the rating of the fuses if string parallels have been made outside the inverter Overvoltage surge arresters situated on the AC side are damaged Look at the inspection window present on each surge arrester AC side If it is red the surge arrester is damaged and the cartridge must be replaced Overvoltage surge arresters situated on the DC side are damaged Look at the inspection window present on each surge arrester DC side If it is red the surge arrester is damaged and the cartridge must be replaced a 7G 010811AG la POWEr ONne SA Renewable Energy Solutions Maintenance Storage and dismantling Storage of the equipment or prolonged stop If the equipment is not used immediately or is stored for long periods check that i
84. r Meas V E027 VGrid Measures Error in internal measurement of the grid voltage to obtain a measurement Fault redundancy 2 measurements on the same parameter by two different circuits Error Meas F E028 FGrid Measures Error in internal measurement of the grid frequency to obtain a measurement Fault redundancy 2 measurements on the same parameter by two different circuits Error Meas Z E029 ZGrid Measures Error in internal measurement of the insulation resistance of the PV generator Fault with respect to ground to obtain a measurement redundancy 2 measurements on the same parameter carried out by two different circuits Maintenance E030 Error Meas lleak lLeak Measures Error in the internal measurement carried out when the inverter is connected Fault to the grid of the leakage current of the DC side PV generator with respect to ground imposed by regulations to have a measurement redundancy 2 measurements on the same parameter carried out by two different circuits Error Read V E031 Wrong V Measurement of the internal voltage at the ends of the output relay out of Measure range There is too great a difference in voltage between the input and the output of the output relay Error Read E032 Wrong Measure Measurement of the output voltage unbalance carried out between the three phases out of range only in three phase models UTH E033 Under Temperature outside the inverter below 25 C Temperature
85. rrency and conver sion coefficient set in the relevant section of the SETTINGS menu CO Amount of CO saved daily Last 7 days This section of the menu allows you to display the statistics for the last 7 days E 7d Energy produced over the last 7 days Val Value of production for the last 7 days calculated with the currency and conversion coefficient set in the relevant section of the SETTINGS menu CO Amount of CO saved over the last 7 days 64 010811AG poke ono erion 77 A Renewable Energy Solutions e Last month This section of the menu allows you to display the statistics for the last month E mon Energy produced during the current month Val Value of production for the last month calculated with the currency and conversion coefficient set in the relevant section of the SETTINGS menu CO Amount of CO saved during the current month e Last 30 days This section of the menu allows you to display the statistics for the last 30 days E 30d Energy produced over the last 30 days Val Value of production for the last 30 days calculated with the cur rency and conversion coefficient set in the relevant section of the SET TINGS menu CO Amount of CO saved over the last 30 days e Last 365 days This section of the menu allows you to display the statistics for the last 365 days E 365 Energy produced over the last 365 days Val Value of production for the last 365 days cal
86. same potential as the GND signal i e by making a short circuit between the two terminals of the connector this causes the inverter to disconnect from the grid The remote control OFF condition is shown on the display The connections of this control are made between the R ON OFF input and GND Since this is a digital input there are no requirements to be observed as regards cable cross section it only needs to comply with the sizing requirement for passing cables through the cable glands and the terminal connector Auxiliary 5 V output SD card There is an auxiliary 5 V output on connector a11 The maximum al lowed absorption by this auxiliary supply voltage is 100mA The inverter is equipped with a slot for insertion of an SD Card memory The maximum size of the SD Card is 4 GB The SD Card is not supplied with the inverter the functionalities of the SD Card will be implemented with subsequent versions of the Firmware of the communication card 51 010811AG la POWEr ONne A Renewable Energy Solutions Installation 5 Setting the country and the language There are different grid parameters dictated by the electricity distributor according to the country in which the inverter is installed Setting the grid standard for the country of installation is a necessary operation before commissioning and the installer must know the correct standard to be configured Switch 1 0 0 0 F a05 Sw
87. sid ered to be valid if the customer complies with what is described in this manual any conditions departing from those described below must be expressly agreed in the purchase order Power one declares that the equipment is in conformity with the current provisions of law in the European Economic Community and issues a DECLARATION OF CON FORMITY for it Not included in the supply Power one accepts no liability for failure to comply with the instructions for correct installation and cannot be held responsible for the systems upstream or downstream of the equipment it has supplied It is absolutely forbidden to make modifications to the equipment The Customer is fully responsible for any modifications made to the equipment l ox It is not possible to anticipate the great number of installations and envi ronments in which the equipment will be installed it is therefore neces sary to check the following adequate spaces suitable for housing the equipment airborne noise produced based on the environment possible flammability conditions anti explosive equipment is NOT supplied Power one cannot be held responsible for non production even if this is due to failures of the equipment or the data communication system via Power Line Modem PLM Power one CANNOT be held responsible for defects or malfunctioning arising from improper use of the equipment deterioration due to trans port or particular environmental conditions fa
88. t the danger or hazard zones are indicated with signs plates symbols or icons like the CE marking This points out that it is mandatory to consult the manual or original doc ument which must be available for future use and must not be damaged in any way This points out operations or situations in which staff must be very care ful respectively Generic hazard or hazardous voltage This points out a hazard due to the presence of heated areas or in any case areas that have hot parts danger of burns This points out that the examined area must not be entered or that the described operation must not be carried out This points out that the equipment must not be worked on by anyone with a pacemaker prosthetic mitral valve or prostheses with electronic circuits This points out that it is mandatory to carry out the described operations using the clothing and or personal protective equipment provided by the employer This indicates the degree of protection of the equipment according to IEC standard 70 1 EN 60529 June 1997 The system must be grounded This indicates the allowed temperature range This indicates the risk of electric shock Time needed to discharge stored energy 10 minutes This indicates that the equipment must be disposed of in accordance with the regulations in force in the country of installation Respectively direct current and alternating current There is no transformer 010811AG Power one Introd
89. t is correctly packed and contact Power One for storage instructions The equipment must be stored in well ventilated indoor areas that do not have characteristics that might damage the components of the equip ment If the package Is stored correctly it can withstand a maximum load of 4 pieces of equipment DO NOT stack with equipment or products other than those indicated Restarting after a long or prolonged stop requires a check and in some cases the removal of oxidation and dust that will also have settled inside the equipment if not suitable protected Dismantling decommissioning and disposal Power One CANNOT be held responsible for disposal of the equipment displays cables batteries accumulators etc and therefore the customer must dispose of these substances which are potentially harmful to the environment in accordance with the regulations in force in the country of installation If the equipment is dismantled to dispose of the products it consists of you must stick to the regulations in force in the country of destination and in any case avoid causing any kind of pollution X Dispose of the various types of materials that the parts of the equipment consist of in dumps that are suitable for the purpose Ea Table disposal of components COMPONENT MATERIAL OF CONSTRUCTION Fame OFACK CTS 2 SUD OMS vscctiosusececsuistateesseines2antaunnesieantotiesaieantastasensectteanteseaqurimerarnatseaagis Arc welded steel FE37
90. tage and current b19 and b20 on the various phases According to the model of inverter the voltages and currents of one 1 or three phases 1 2 3 will be displayed The phase considered is shown on the right side of the voltage and current values At the end of the aforesaid display the grid frequency will be indicated in field b20 and the line voltage will be indicated in field b19 At the same time the main readings made by the inverter will be dis played in rotation on the graphic display b10 e f the icons b21 on the left side cable and plug stay on with the as sembled plug off it means the inverter is disconnected from the grid if the icons of the assembled plug and the pylons are on it means the grid is good for connection 60 010811AG poe one erion 7 A Renewable Energy Solutions LED behaviour The following table shows all the possible combinations of activation of LEDon the LEDs situated on the LED panel 25 in relation to the operating state amp LED flashing of the inverter 4 LED off x Any one of the conditions described above Table LED behaviour Status ofthe LEDs Operating state Notes Night mode auto The inverter is in night time switch off mode input voltage switch off of the 70 less than the start up voltage set for both inputs inverter Inverter initialization This is a transition state due to the checking of the loading of settings and operati
91. ters E003 Internal The main microcontroller is unable to correctly initialize the two DSPs booster Parameters Error stage and inverter stage This is usually due to communication problems on the internal bus of the inverter Bulk OV E004 Bulk Overvoltage Error inside the inverter The alarm is generated when the voltage at the ends of the bulk capacitors exceeds the Over Voltage threshold Comm Error E005 Internal Communication problems between the control devices inside the inverter Communication Error Output OC E006 Output The inverter output current exceeds the output overcurrent threshold of the Overcurrent inverter IGBT Sat E007 IGBT Saturation One of the active devices of the inverter is in saturation state E009 Internal Error Error inside the inverter that cannot be checked externally activation voltage that is not accompanied by sufficient availability of power from the photovoltaic generator typical condition of periods of insufficient Ramp Fail E011 Bulk ramp Error inside the inverter regarding the time for starting steady state operation timeout of the DC DC circuit part Booster DcDc Fail E012 Booster module Error inside the inverter regarding the operation of the DC DC circuit part error revealed by Booster Inverter Bulk Low E010 Low Bulk Voltage Causes outside the inverter a low inverter input voltage just above the irradiation 75 010811AG la POWEr ONne Renewable Energy Solutions
92. th respect to ground E019 Leakage current Before connecting to the grid the inverter carries out an autotest sensor self test that regards the leakage current sensor The test is carried out by fail forcing a current of known value in the leakage current sensor the microprocessor compares the read value with the known value The error is generated if the value is not within the allowed tolerance E020 Booster relay Before connecting to the grid the inverter carries out some internal tests One self test fail of these tests regards the correct operation of the booster relay The test is carried out by forcing the switching of the relay and checking its functionality The error is generated if there is a problem with the operation of the relay E021 Inverter relay Before connecting to the grid the inverter carries out a test that self test fail regards the operation of the inverter relay The test is carried out by forcing the switching of the relay and checking its functionality The error is generated if there is a problem with the operation of the relay E022 Relay self test Time taken to execute the autotest carried out on the relays of the DC_AC timeout circuit part inverter is too long This may indicate a problem associated with the relays E023 Dc Injection out The error is generated if the direct component of the current supplied to the of range grid exceeds the threshold of 0 5 of the rated oper
93. to from the grid through the relevant control signal R ON OFF Disable the connection disconnection of the inverter to from the grid is dictated by the input voltage from the photovoltaic generator and output grid voltage parameters of the inverter Enable the connection disconnection of the inverter to from the grid is dictated by the state of the R ON OFF signal compared to the GND sig nal as well as by the input voltage from the photovoltaic generator and output grid voltage parameters of the inverter UV prot T This section of the menu allows you to set the time for which the inverter Stays connected to the grid after the input voltage has dropped below the Under Voltage limit set at 70 of Vstart Power One sets the time at 60 sec The user can set it at from 1 to 3600 sec Example with the UV Prot time set at 60 seconds if the Vin drops below 70 of Vstart at 9 00 the inverter stays connected to the grid taking power from it until 9 01 e MPPT This section of the menu allows you to set the parameters of the maxi mum power point search MPPT function This function is useful when there are shadowed areas on the PV generator that can create several maximum power points in the work curve MPPT amplitude the amplitude of the interference introduced in DC is chosen through the setting of this parameter to establish the optimal working point There are 3 settings to choose from LOW MEDIUM HIGH The default sett
94. ts 19 and 22 stay on if not connected If on it indicates that the grid check was successful and that the grid falls within all the parameters set by the electricity distributor At the top right of the graphic display b10 a padlock or two arrows will be displayed depending on whether the display of data on the display b10 is locked padlock or cyclic arrows 55 010811AG AN POWEr ONne A Renewable Energy Solutions Instruments 6 Description of the keypad Through the combination of LED panel buttons 25 under the display 23 values can be set or data can be displayed by scrolling them some LEDs are also shown on the keypad for status conditions Power one Renewable Fnergy Solutions POWER ALARM GFI ESC UP DOWN ENTER Table Function of buttons and LEDs Green POWER LED Indicates that the inverter is working correctly This LED flashes while the grid is being checked when the unit is commissioned If a valid grid voltage is measured the LED stays on continuously provided there is sufficient sunlight to activate the unit If not the LED continues to flash until there is sufficient sunlight for activation During this phase the LCD display shows the Waiting for sun message Yellow ALARM LED Indicates that the inverter has detected an anomaly The type of problem is shown on the display Red GFI LED The GFI ground fault LED indicates that the inverter has detected a ground fault on the D
95. uction and general information 1 SA Renewable Energy Solutions Field of use general conditions Power One accepts no liability for damage of any kind that may arise from incorrect or careless operations The equipment must not be used for uses that do not fall within the intended field of use The equipment MUST NOT be used by inexperienced staff or by experienced staff to carry out operations on the equipment that are not in accordance with what Is described in this manual and in the attached documents Intended or allowed use This equipment is a multi string inverter designed to transform a direct electric current DC coming from a photovoltaic generator PV into an alternating electric current AC Suitable for being fed into the national grid Limits of the field of use The inverter can be used only with photovoltaic modules in insulation class ll The operating current dispersed during normal operation must not exceed the limits of the local standard as the logical consequence will be disconnection from the grid Only one photovoltaic generator can be connected to the input of the inverter do not connect batteries or other sources of power supply The inverter can be connected to the electricity grid in qualified countries only The inverter can be used only if all the technical characteristics are observed Improper or disallowed use THE FOLLOWING ARE STRICTLY FORBIDDEN Installing the equipment in
96. ue inputs External analogue sensors for monitoring the environmental conditions temperature sunlight etc can be connected to the inverter The analogue sensors are set directly from the display menus Configurable relay The inverter has a configurable switching relay that can be used in vari ous Operating conditions set in the dedicated menu A typical application example is the closing of the contact when an alarm occurs Remote switching on off This control can be used to switch the inverter on off through an external remote control This function must be enabled in the menu and if activated the switch ing on of the inverter depends on the external switching on off control as well as being dictated by the presence of the normal parameters that allow the inverter to connect to the grid SD card This is used for updating the firmware functionality implemented in a future revision of the firmware Feeding reactive power into the grid The inverter is able to produce reactive power and can therefore feed it into the grid through the setting of the phase shift factor Feed in man agement can be controlled directly by the grid company through a dedi cated RS485 serial interface For detailed information on parameters and on the characteristics of this function please contact Power One directly 19 010811AG AN POWEr ONne A Renewable Energy Solutions Characteristics 2 Topographic diagram of the equipme
97. uipment e Firmware Allows you to display the revision of the firmware installed in the equip ment Country selector Allows you to display information regarding the grid standard set with the rotary selectors Current value Displays the set grid standard New value If the position of the rotary switches is changed a new grid standard is therefore selected during operation the new stand ard selected will be displayed but will be made effective only after the equipment has been switched off and then on again and only if the time remaining for carrying out this operation has not expired 24h of opera tion Set new Allows you to confirm set the new grid standard set in the New value section of the previous menu When this function is used there will be no correspondence between the standard selected on the display and the position of the rotary selectors Time remaining Displays the time remaining in which it is still pos sible to set a new grid standard When the time expires Locked will be displayed which indicates it is not possible to change the grid standard again Fuse control only for S2X versions e Strings Displays the voltage and the state of the strings present at the input of the equipment A string can be in one of the following states OK OFF damaged and ABS absent e Currents Displays the current and the state of the strings present at the input of the equipment A string curre
98. ve terminals without ground connections An advanced ground fault protection circuit continuously monitors the ground connection and disconnects the inverter when a ground fault is detected The ground fault condition is indicated by a red LED on the front panel Further protective devices The inverter is equipped with additional protective devices to guarantee safe operation in any circumstance These protective devices include Continuous monitoring of the grid voltage to ensure the voltage and frequency values stay within operating limits Control of internal temperatures to automatically limit the power if nec essary to ensure the unit does not overheat derating In the S2X versions there are also string fuses 22 DC overvoltage surge arresters 15 and AC overvoltage surge arresters 18 integrated inside the wiring box 02 The numerous control devices produce a replete structure to guarantee totally safe operation 599 010811AG A N POWEr ONne A Renewable Energy Solutions 3 Safety and accident prevention Safety instructions and general information The equipment has been manufactured in accordance with the strictest accident prevention regulations and supplied with safety devices suit able for the protection of components and operators For obvious reasons it is not possible to anticipate the great number of installations and environments in which the equipment will be installed it is therefor
99. vent of malfunctioning check the backup battery and replace it if necessary The battery normally lasts 10 years but many conditions can reduce its efficiency The battery is in the V housing of the communication card 09 1 000 h 1 000 h 1 000 h 2 000 h A AA A ay 010811AG AN POWEr ONne A Renewable Energy Solutions Maintenance Alarm Messages The equipment is able to indicate errors warnings on the display only if the input voltage is higher than the Vdcmin voltage POWER LED flash ing or on see operation chapter The messages and their codes are indicated on the highlighted part b10 of the display 23 Power one Renewable Fnergy Solutions POWER ALARM ESC UP DOWN ENTER Display Display Alarm Description Message Codes Ground Fault Red LED Ground Fault Detection of a ground leakage current in the DC section of the system Measure the insulation resistance The alarm is indicated by the lighting up of the red LED on the front of the inverter ee Degaussing state Degaussing error inside the inverter fail Input OC E001 Input Overcurrent Detection of inverter input current above the set overcurrent threshold Input OV E002 Input Detection of inverter input voltage coming from the PV generator above Overvoltage the operating threshold The alarm is triggered before reaching the threshold beyond which the inverter will be damaged and in this case the inverter does not start No Parame
100. will be shown on the display Press the ESC button to go to the Autotest menu again to select the next test to be carried out UF Test During this test the limit set for the minimum grid frequency Hz is grad ually increased until the threshold is reached where disconnection of the inverter from the grid occurs A message indicating the start of the test is shown on the display At the end of the test when the inverter has disconnected from the grid the test result will be shown on the display Press the ESC button to go to the Autotest menu again to select the next test to be carried out Once one of the tests of the Autotest section has been started it takes place auto matically After the test has finished correctly the inverter restores the factory set switch off values a 70 010811AG AN PoOWer one A Renewable Energy Solutions 8 Maintenance General conditions Checking and maintenance operations must be carried out by special ized staff assigned to carry out this work Maintenance operations must be carried out with the equipment disconnected from the grid unless otherwise indicated For cleaning DO NOT use rags made of filamentary material or corrosive products that may corrode parts of the equipment or generate electrostatic charges Avoid temporary repairs All repairs should be carried out using only genuine spare parts The maintenance technician is under an obligation to prompt
101. with the problem of wiring on the DC side of the inverter and subsequent distribution on the AC side the string technol ogy has been developed A photovoltaic panel consists of many photo voltaic cells mounted on the same support A string consists of a certain number of panels connected in series e An array consists of two or more strings connected in parallel Large photovoltaic systems can be made up of several arrays connect ed to one or more inverters By maximizing the number of panels inserted in each string it is pos sible to reduce the cost and complexity of the connection system of the photovoltaic system PV Array The current of each array must fall within the limits of the inverter To work the inverter must be connected to the national electricity grid since its opera tion can be equated to a current generator that supplies power in parallel with the grid voltage That is why inverters cannot support the grid voltage islanding 16 010811AG lan POWET ONE Renewable Energy Solutions Characteristics 2 Description of the equipment This equipment is a multi string inverter that converts direct electric cur rent from a photovoltaic generator into alternating electric current and feeds it into the national grid Photovoltaic panels transform energy from the sun into direct current DC electrical energy through a photovoltaic field also called photo voltaic PV generator however to f
102. y for specialized and qualified staff The direct voltage entering the inverter must not exceed the maximum values shown in the technical data in order to avoid damaging the equipment Consult the technical data for further details Even during operation check that the environmental and logistic condi tions are correct see installation chapter Make sure that the said conditions have not changed over time and that the equipment is not exposed to adverse weather conditions and has not been isolated with foreign bodies 57 010811AG poke one erion 7 A Renewable Energy Solutions Monitoring and data transmission As a rule the inverter operates automatically and does not require spe cial checks When there is not enough solar radiation to supply power for export to the grid e g during the night it disconnects automatically and goes into stand by mode The operating cycle is automatically restored when there is sufficient solar radiation At this point the luminous LEDs on the LED panel 25 will indicate this state User interface mode The inverter is able to provide information about its operation through the following instruments e Warning lights luminous LEDs e LCD display for displaying operating data e Data transmission on dedicated RS 485 serial line The data can be collected by a PC or a data logger equipped with an RS 485 port If the RS 485 line is used it may be advisable to use the

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