Installation and User Manual
Contents
1. Figure 4 14 External auxiliary power supply see also Figure 4 7 3 Note In case of external auxiliary supply remove the bridges for internal supply 12X5 4 12X5 3 and 12X6 4 12X6 3 see Figure 4 13 4 6 6 Installation of the Heat Exchanger Fan 48X1 3 24 Vpc fan power supply 0 24 Vpc max 5A 48X1 4 0V Table 4 8 Heat exchanger fan connection Figure 4 15 WOODWARD IDS 22 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD Figure 4 15 Heat exchanger fan supply transformer monitoring external grid monitoring external Start Stop external E stop see also Figure 4 7 3 4 6 7 Installation of the Transformer Monitoring 48X4 3 Transformer ready signal e g Digital input connect a wire A8X4 4 from an automatic safety device bridge if not used Contact open error 49X3 3 Transformer standby signal Digital output 49X3 4 Contact closed in operation Contact open standby Table 4 9 Signal connections of the grid transformer monitoring see Figure 4 15 Note Transformer standby is used if an electrically controllable switch gear is connected between the transformer and the grid 4 6 8 Installation of the External Grid Monitoring 61X6 3 Feedback input to main control Digital input connect a wire 61X6 4 module of inverter in case of grid bridge if not used fault Contact closed no error Contact open error 61X5 3 Main contactor control hardware Digital input conn2. tr i E l 3 et V d 1 PE 4 A i m j 1 Figure 4 11 N copper rail see also Figure 4 7 5 Protection PE copper rail Connection type M10 earth PE Fastening torque 25 Nm Copper cross section 120 mm Table 4 6 Protection earth connection to the grid transformer see Figure 4 12 Vh Pes hore he V e i j e r e r Figure 4 12 PE copper rail see also Figure 4 7 2 WOODWARD IDS 20 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dds 4 6 4 Transformer Specification NOTICE The SOLO inverter must not be connected directly to grid An external transformer is required Transformer specification e Rated power 250 kVA e Rated voltage at inverter side 400 V e Connection group Dyn5 or Dd if VDE 0126 1 1 is not required e Neutral not grounded if the star point of the transformer is on the inverter side For the option VDE 0126 1 1 the neutral point must be connected to the N copper rail see Table 4 5 A grounded screen is mandatory between primary and secondary windings Several inverters can be connected to a common transformer but a separate secondary winding set is needed for each inverter floating IT grid 4 6 5 Auxiliary Power Connection NOTICE The connection points of user contact spring cage terminals Chapters 4 6 5 to 4 6 16 are opened with a standard screwdriver After the conductor has been inserted into the
3. IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD ads Cooling system pressure too low Check the electrical connections of the pressure sensor Check the static pressure If the pressure is below 1 5 bar fill with coolant up to the nominal pressure Flow rate of the cooling system is Check if the circulation pump Figure 4 5 10 is set to level III too low Check if the temperature has dropped below the required minimum Check the electrical connections of the flow rate switch Bleed the cooling circuit and the pump Check the cooling circuit hoses for folds Cooling system overtemperature Check the cooling substance temperature measure the temperature of the metal pipes Check the electrical connections of the cooling substance temperature sensor Bleed the cooling circuit and the pump Check if the heat exchanger fan is spinning Check for obstacles in the way of the airflow Cabinet overtemperature Check if the ambient temperature is above the permissible maximum Check the fan filter air intake and air outlet Note According to the dust density of the ambient air it is possible that the filter pads are clogged after a few weeks and must be cleaned or replaced Check if all cabinet fans are working Table 82 Cooling system troubleshooting WOODWARD IDS 49 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dds 9 EC Declaration of Conformity EC Declaration of C
4. 90X14 3 OT 50X14 4 O 10X1 Q E a EN PE connections are not shown on the circuit diagram Note IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dDS The SOLO inverter can be connected to several external devices Most of them are shown on Figure 4 8 e WOODWARD IDS active string boxes with contactors e Transformer with feedback signal e Emergency stop circuit e Grid operator interface Inverter control start stop power limitation e GSM or line modem for monitoring e Ethernet for monitoring e CC Integrated Central Control unit e Weather station 4 6 3 Power Connections Potentially lethal voltage Even if the main switch is turned off the AC and PV power terminals and the auxiliary supply might be under lethal voltage After complete separation from the grid and from the PV generator wait 10 minutes before opening the door and removing the protection cover Failure to observe this warning could result in death or serious injury NOTICE Respect the correct PV polarity Wrong polarity of the PV inputs can cause a short circuit of the PV panels Never connect the different inverter PV inputs in parallel Note When planning and installing the photovoltaic plant a uniform distribution of the installed power onto the three PV inputs of the inverter must be ensured See the maximum PV input current in the datasheet The power connection has to be done according to Table 4 3 and Table 4
5. max 1 A Dry contact Output Open E stop active closed E stop inactive Transformer ready 24 Voc 10 96 Connect to dry contact Input 20 mA active high Open not ready closed ready Transformer stand by 24 V max 1 A Dry contact Output Open stand by closed operation Inverter enable disable 24 Voc 10 96 Connect to dry contact Input 20 mA active high Open gt disabled closed gt enabled Communication interface EIA 485 Ethernet Others see under options Data logger interface WOODWARD IDS Others see under options web portal Options Power limitation control BDEW directives grid monitoring VDE 0126 1 1 or low voltage ride through LVRT fault ride through FRT Potential Equalization Device PED for PV ground fault monitoring Further on request Connecting PV input to ground Voltage range for MPPT 350 Voc 850 Voc Gia frequency hd 50 He 60 Fz High altitude version Extended temperature range Outdoor type Communication GSM or line modem CAN Interbus PROFIBUS Data logger SolarLog Meteocontrol others on request WOODWARD IDS 51 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dDS Cabinet and Ambient Conditions Socket height F Dmm Weight m approx sak Ladcooedwihexemshestexhanger Amp TTT 2 bar 05 bar C GoxsxAumm Te eg Air inlet temperature range The Option 25 55 C Max hose lengt
6. 4 Terminai Function Specifications 10X3 PV input 3 negative pole Each PV input copper bar has two 10X34 PV input 3 positive pole conductor clamps for one cable 10X2 PV input 2 10X2 PV input 2 positive pole Cu cross section 70 150 mm 10X1 PV input 1 negative pole Auen Follow the National Electrical ode negative pole Fastening torque 12 15 Nm 10X1 PV input 1 positive pole Table 4 8 PV input power connections see Figure 4 9 Note For convenience please connect the cables in the sequence shown in Table 4 3 WOODWARD IDS 18 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dds 10X1 e B T H 10X1 10X2 ca 10X2 10X3 10X3 Figure 4 9 PV input power terminals see also Figure 4 7 1 HE 12F1 terminal 2 Connection type M10 E 12F1 terminal a Cable lug width max 32 mm 12E1 L terminal 6 Fastening torgue 50 Nm Copper cross section 120 240 mm Note Follow the National Electrical Code Table 4 4 Phase connections to the grid transformer see Figure 4 10 Figure 4 10 Phase terminals see also Figure 4 7 7 WOODWARD IDS 19 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dds Neutral N N copper rail Connection type M10 Fastening torque 25 Nm Cu cross section 2 5 mm Fuse at transformer Table 4 5 Neutral connection to the grid transformer see Figure 4 11 T
7. WOODWARD IDS dDS Mechanical Installation The reguirements are listed in Table 4 1 The inverter must be installed on a firm horizontal surface with the sufficient load carrying capacity The inverter can be mounted on a foundation or on a grounded metal frame No liquid water oil coolant etc should ever enter into the cabinet not even during installation fem Requremet Minimum size of the foundation SOLO 250 W x D 800 x 800 mm Maximum inclination of the foundation Load carrying capacity of the foundation 1000 kg m Minimum clearance from the cabinet rear side from the cabinet left side from the cabinet right side from the cabinet front side above the cabinet roof Entrance opening W x H 1000 x 2100 mm Table 4 1 Mechanical requirements oL Hear wall gt 300 mm Rear side SOLO inverter cabinet 800 x 800 x 1920 mm gt 100 mm 500 mm SS Front Door gt 900 mm Room height gt 2300 mm SS TTT Figure 4 2 Minimum clearances Note Alternative placement of the SOLO inverter only after consultation with WOODWARD IDS 11 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD Roy 4 3 Foundation Front view Top view 800 o 95 600 i S o 8 N e T Tem J 09 o Opening in the foundation for cables Hr Figure 4 8
8. and the cooling circuit has been properly installed Turn the main switch off Figure 5 3 3 Set the two position switch Figure 5 3 2 to Stop position Check the correct polarity of all PV inputs with a multimeter Release the emergency stop button Figure 5 3 1 including a possible external emergency stop circuit Turn the grid connection and the auxiliary power supply transformer on Turn the main switch on Figure 5 3 3 Wait until the touch screen panel Figure 5 3 4 displays the WOODWARD IDS logo Activate the main menu by touching the display Check the grid voltage and frequency displayed in the main menu If the voltage is 400 V and the frequency 50 Hz the grid connection is correct Make the settings in the touch screen panel according to the description in Chapter 7 language date time Installed power and PV start voltage Internet parameters etc Setup communication for remote diagnostics according for the chosen medium modem Ethernet For details see Chapter 7 6 State Inverter function Application Stand By Enables the inverter to go in Used when the auxiliary supply active stand by mode when the power internal or external is not on the PV inputs is too low interrupted by the transformer The inverter recovers from standby output Table 4 9 standby when the voltage on Note When the inverter is in tracker 1 is high enougn standby the touch screen display and the connections to RDS an
9. excessively worn out Improper operation of the inverter may lead to the warranty being void Observe the following sequence when turning the inverter off 1 Setthe Two position switch Figure 5 3 2 to Stop position Turn the main switch off Figure 5 3 3 Disconnect the PV modules by using the string box main switches Pa m Turn the auxiliary power supply and the grid connection transformer off WOODWARD IDS 38 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD 6 1 6 2 WOODWARD IDS N dds Maintenance The Installation of the inverter must only be performed by authorized personnel The absence of voltages grid and PV lines must be ensured before and during maintenance work Consider capacitor discharge of 10 minutes after switching the power connections off Failure to observe this warning could result in death or serious injury NOTICE Warranty void if improperly maintained Note A service contract with WOODWARD IDS including all preventive maintenance is recommended Maintenance of the SOLO Inverter We recommend an annual maintenance of the SOLO inverter including following inspections e Inspect air filters of every fan In case of contamination they have to be replaced with new original filters Check fans for abnormal noise whistling or grinding sound during operation In case of malfunction they should be replaced with new original ones Inspect cabinet for conta
10. remote monitoring modem see Figure 4 20 and Figure 4 21 Figure 4 20 Position of the SIM card and antenna connection of the GSM modem WOODWARD IDS 29 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dds Figure 4 21 GSM antenna positioned on top of the inverter In case the GSM modem has been supplied as a loan for the commissioning it must be sent back in complete set the module consists of a modem with SIM card interface converter plug DIN rail mounting and antenna as soon as a functional Ethernet connection to the SOLO inverter has been established The return address can be found on the last page of this user manual The antenna is delivered with a magnetic socket and can be positioned on another location on or close to the inverter For a good connectivity make sure that the antenna is not in a metal room container WOODWARD IDS 30 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dds 4 6 18 Ethernet connection Ethernet connection Ethernet cable with RJ45 connector Figure 4 22 Ethernet connection see also Figure 4 7 3 WOODWARD IDS 31 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD 5 1 dDS Commissioning Refilling and Bleeding the Cooling Circuit To be performed only if the cooling system pressure differs from 2 bar by more than 0 5 bar at 20 C coolant temperature A properly functioning cooling system is essential for a trouble fr
11. 01 1211 Copyright WOODWARD IDS M WOODWARD dDS 1 3 Scope of Delivery Quantity 1 pcs SOLO 250 PV Inverter cooling system filled with liquid 1 bar pressure 1 pcs Cabinet key 1 pcs Heat exchanger filled with liquid O bar pressure with wall mountings and connection box 1 pcs Hand pump for filling liquid in the cooling system 2x 10 m Hose outer diameter 25 mm with pipe union shorter hoses on request 10m Power supply cable for the fan of the heat exchanger 10 pcs Quick fastener buckle 25 mm for hose mounting 3 litre Coolant 45 ethylene glycol in the hand pump Table 1 1 Scope of delivery 1 4 Type Label The type label with the product identification is located at the top left corner on the inner side of the cabinet door Inverter type model SOLO 250 ISC 40 3x22 1 Circuit diagram No V1 00 R 2 Nominal line Nominal Nominal Nominal line power line voltage line current frequency P4 250 kW U 400 V lk 360 A f 50 Hz PV voltage Maximum Insulation Conformity range PV current voltage Woe 50 800 V Inc 3x 220 A 2 5kV 50Hz 1min Hated ambient Max amb temp Protection Grid temperature heat exchanger class standards T4 20 445 C Ta 45 C IP 54 VDE 0126 1 1 Production date Serial number 09 2010 1020002 3 Figure 1 1 SOLO 250 type label 1 Product identification 2 Valid electrical circuit diagram 3 Serial number of the inverter WOODWARD IDS 6 54 IUM SOLO250 EN V2 01 1211 Copyrigh
12. 50178 1997 Issued by J Torchanov CEO IDS Solar EOOD This declaration confirms the compliance with the quoted directive but it does not constitute any warranty as to properties The safety information contained in the product documentation supplied must be adhered to Sofia 03 01 2011 HI III I I II I I I I I I I I I T T T T I I IT J Torchanov IDS Solar EOOD IDS jt CE Conformity SOLO 0111 Figure 9 1 EC Declaration of Conformity WOODWARD IDS 50 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dDS 10 Data Sheet SOLO 250 Grid Data NondACpoewrd Ta TTT BEE SIE Yes pU Harmonic distortion THD Ig Jew S S Hom W S SCS S S mg W7 amp either external or generated internally 50 60 Hz TN S surge protection type 2 5 W 600 W At standby At full power with 6pcs string boxes Photovoltaic Data Nominal PV power Pa 255 RW Ye Control strategy MIPPT Maximum Power Point Tracking Number of PV inputs 3 Each PV input has its own MIPP tracker Max DC current on each PV input 220 A DC voltage range for MPPT 350 800 Voc Option 350 850 Vc Note reduced maximal power below U pp 400V Maximum PV voltage for operation start 850 Voc Voltage ripple Un Pvm fea TTT Grounding PV nun User Interface External emergency stop 24 Voc X10 96 Connect to dry contact Input 20 mA active high Open gt E stop active closed E stop inactive Emergenoy stop 24 V
13. Copyright WOODWARD IDS dDS M5 woopwa Installation and User Manual for the SOLO 250 Photovoltaic Inverter Version 2 01 Copyright WOODWARD IDS M WOODWARD WOODWARD IDS Contents Iunior Ele HON c N i js a ss les 5 12 DE LAIEN een pe ee re ee ee 5 1 2 IMPORTANT SAFETY INSTRUCTIONS eene 5 13 SC0pe Of DEIVEIY PENNE P 6 IP Te LAGE i i a a ai ks is e eee eee 6 Warnings and NOTE S L55sisiaiins nintios s ie 7 Transporting th INVerler ianiai sans sis sa 8 3 1 Transport by Crane Liki kiai nisonsususss niai sis a i ii o k i 8 32 TP RAMS DOM DV eld ERREUR 9 Installation of the Inverter eese eee r eene rennen nnn 10 S MEME Eoi etel leo MEETUPS 10 4 2 Mechanical Installation 1cseeeeeeeeeeeeeeeee terrere 11 AS odere um 12 4 4 Installing the Heat Exchanger ccccssescecceeseeeceeeeeeseeeeeesaaeeeesaeeeenenaees 13 4 5 Connecting the Heat Exchanger to the Inverter ssuuse 14 4 6 Electrical Installation ecce rne 16 4 6 1 Overview of the Electrical Connections 16 4 6 2 Schematic Example of a SOLO System 17 4 6 3 Power Connections essssessssssessssesee nennen nnne nnns 18 4 6 4 Transformer Specification ccccccccceccseseec
14. Foundation WOODWARD IDS 12 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD 4 4 A S WOODWARD IDS dds Installing the Heat Exchanger The heat exchanger must be mounted using fixing steel bolts or screws type M12 The heat exchanger Figure 4 4 7 should be mounted outdoors on a solid wall in a place with no direct sun irradiation The elevation of the top level of the heat exchanger must be less than 9 m above the bottom level of the inverter The heat exchanger should be protected with a roof against rain and the possible effect of frost on the fan The alignment should be executed as shown in Figure 4 4 with the bleeding valve Figure 4 4 8 at the highest point of the cooling system 6 5 is Figure 4 4 Connection of the cooling system 1 Cooling system elements and pipe connections on the SOLO inverter cabinet Coolant hose to the inverter inlet Coolant hose to the inverter outlet Fan power supply cable Connection box for the fan s power supply Wall mountings of the heat exchanger Heat exchanger with fan Bleeding valve OND AAW N 13 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dds 4 5 Connecting the Heat Exchanger to the Inverter NOTICE At delivery all tubes in the cabinet and the hoses of the heat exchanger are filled with coolant and the entrapped air is bleeded purged Th
15. MMISSIONING cccccssesececccseeeceeeceeeecececeeeeeeeeeseeueeeeessaaneeeessaas 34 5 2 1 Control and Visualisation Elements aaa 34 5 2 2 Important Components Overview eseeeeeeeeeeeeeeeee 35 5 2 3 Uma S O Elas iii dense em 36 5 2 4 Commissioning of the Power Section aaa aaa 37 S DELANO asis ia iii iii ii ia a i 31 5 3 1 Turning the Inverter ONn ccccccsssseeceeeseeeeeeeeeeeeeeeeeseesaeeeeeeeaaaees 37 5 3 2 Turning the Inverter Off cccccssssseceeceesseeeeeseeeseeeeseseaeeeeseaaaees 38 IVE ANE COUN AAC asses ss a a 39 6 1 Maintenance of the SOLO Inverter su20022uuuueeennnnnnnnnnnnennnnnnnnnnnnnnee nennen 39 6 2 Maintenance of the Cooling Circuit uususnssseneennnennnnnennnnnnnnnn nennen nenn 39 Operating the Touch Screen Panel of the Inverter and Parameterization 40 a MIA ILE io pe 4 Te eu mem 41 7 3 Parameter Changes ccccccccccssscecceeseecceesseeceaueeecseuseeeseageeessanseessenseesseaes 41 7 4 Access Rights to Functions and Parameters cccccsseeeeeeeeeeeeeeeeeeenaees 42 7 5 InvenerParamelerLiSlsueseciqaicsotceec ia Sens ers i 43 7 6 Ethernet setup for Remote Diagnostic cccccccseseeeceeeeeeeeeeeeeeneeeeeennees 45 MEN EAG MOLO eom mM 45 3 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dDs 78 EVEN LO ee 47 8 Diagnostics and Troubleshooting uzaan0000nnannnnnnonnnnnnnn
16. PV module String box LE E L i PV input 2 Grid power feed in A IT grid system L PV module String box Auxiliary power UR Communication supply PV input 3 Figure 4 1 Example view of a photovoltaic installation with SOLO inverter SOLO string boxes and grid transformer 4 1 Location Selection WOODWARD IDS e The inverter cabinet is intended for indoor operation e The inverter should be positioned as close as possible to the transformer lt 5 m e The place must meet the requirements for installation of electrical operation devices and must be ventilated The heat output of the components that are not directly liquid cooled is up to 2500 W at maximum power e To avoid additional heating a location without direct sun irradiation should be chosen e The cabinet must be easily accessible for operation and maintenance e The operating elements main switch emergency stop button Start Stop switch are mounted outside the cabinet and should be protected from unauthorized manipulation e Assure a dust free environment to prevent filter clogging and malfunction of the inverter cooling system In rooms with high pollution the air filters have to be checked in shorter intervals e Make sure that the minimum required clearances to surrounding objects are respected emergency exit route maintenance works air cooling etc see Figure 4 2 10 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD 4 2
17. al user interface RS485 optional 49X4 1 485A RS485 interface Cable type Outdoor UV light 49X5 1 485B RS485 interface ee Recommended UNITRONIC 49X6 1 GND RS485 interface Li2YCYv TP 2x2x0 5 or 3x2x0 5 1 spare pair Lapp Kabel Table 4 18 Serial user interface RS485 see Figure 4 19 Interface to Integrated Central Control unit Weather station optional 49X8 1 485A RS485 interface Cable type Outdoor UV light 49X9 1 485B RS485 interface resistant Recommended UNITRONIC 49X 10 1 GND RS485 interface Li2YCYv TP 2x2x0 5 or 3x2x0 5 1 spare pair Lapp Kabel Table 4 19 Serial interface RS485 to ICC Weather station see Figure 4 19 Note If an ICC unit is used the weather station communication is done via ICC If no ICC unit is used terminals 49X8 1 and 49X9 1 can be used for connection to the weather station 28 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dDS 4 6 16 Power supply for weather station 49X12 1 24 Vpc weather station supply 24 Vpc 49X13 1 0V Table 4 20 Weather station supply see Figure 4 19 aa a 2 xhr v v 1 B u 1 i x La T 1 I Y J 4 i j 2 4 u ve Figure 4 19 RS485 to ICC terminals for user interface power limitation weather station supply see also Figure 4 7 4 4 6 17 Installation of the GSM Modem optional GSM modem Antenna with a 2 m cable lead through the side wall Table 4 21 Connection
18. ars Access level Operator granted 13 04 2011 13 17 48 Figure 7 5 Confirmation message WOODWARD IDS 42 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD Roy 7 5 Inverter Parameter List Table 7 2 lists the operational parameters for the feedback window and the parameter display An overview of the system parameters their functions meanings and locations are listed in Table 7 3to Table 7 6 Description 3 ACPower average ouput power tsmin AN C C DC DC DC s eveVotaga PV Votage pua Table 7 2 Operational parameters displayed on the main menu see Figure 7 2 5 Main menu feat pem rrr mmm PV start voltage The minimum PV voltage input 1 to start the inverter display Status Figure 7 2 6 Events log View Delete events Table 7 3 System parameters description part 1 Cabinet temperature Temperature inside the inverter cabinet V V V WOODWARD IDS 43 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD Roy Initializing Connecting to the inverter main control unit Inverter switched off Temporary state before Running The installation is producing energy Night Mode Temporary state prior to stand by mode PV voltage is below the minimum waiting to switch off Table 7 4 Meaning of status texts displayed on the main menu see Figure 7 2 6 Status colour s Glowing yellow system is in Initializing Ready or Running state Fl
19. ashing cyan yellow system is in Warning state The system is operating but some warnings have occurred Flashing red yellow system is in Fault state The system has stopped Table 7 5 Meaning of status colours displayed on the main menu see Figure 7 2 6 Main menu active fields Date Time Figure 7 2 4 Shortcut to Settings gt Date Time submenu Energy Display Diagram 1 Magnified image of the diagram Figure 7 2 2 Display parameter Selection of parameter to be displayed Time range Selection of the time period to be displayed otring monitoring Display of string status information Figure 7 2 3 e Number of logged string boxes e Low current warnings String box 1 100 String box status details status e Current of each string e Average current for the box e Average current for faulty strings Settings Number of string Displays the number of installed string boxes boxes Low current Setting the threshold for low current warning at of warning When the current on a string average string is less than this value for 15minutes a current warning is displayed Activate string Switching on off string current monitoring monitoring function Table 7 6 System parameters description part 2 WOODWARD IDS 44 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dDS 7 6 Ethernet setup for Remote Diagnostic The remote diagnostic and inverter data acquisition is performed via Ethernet
20. controls and feedbacks heat exchanger fan supply transformer monitoring external grid monitoring external start stop external E stop external auxiliary supply terminals Communication and control interfaces weather station supply N copper rail for N connection used for option VDE 0126 1 1 only Fibre optic communication interface Power connections to the grid transformer Wire bridges for internal auxiliary supply ONDA A 16 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS 4 6 2 Schematic Example of a SOLO System M5 woopwA RD dDS o G Gam i E i o k Q o u o WOODWARD IDS rj tdi 49X3 3 O 49X3 4 O 48X4 3 O 48X4 4 O 25X3 4 O 25X4 4 O PE Oj Rx O Tx O O 50F6 O 50X12 4 O 50X18 3 O 50X18 4 O O 50F5 O N Auxiliary supply PE 230VAC N RB 50X17 3 O 4 10X3 O 10X3 O 2 Ethernet connection 9771 O 49XA1 FO 50X8 4 O 50X16 3 O 50X16 4 O 10X2 O 10X2 O SOLO 250 1 O 50F3 O 50X6 4 O 50X15 3 O 50X15 4 O 10X2 O 10X2 O O 49X10 1 Si Weather k O 50F1 O 50X2 4 O 50X13 3 O h 50X13 4 O O48X1 4 B L o c o x o Figure 4 8 Schematic example of a SOLO system 17 54 S0F4 Or TT Dt MI 16 49x91 ii O 49x81 O49X12 1 3 O49X13 1 a o d 50F2 O TEEN S0X4 4 O TT
21. d Web portal are not available Converter The system control is always Used when the auxiliary supply control on active connection does not provide supply to recover from standby Table 5 1 Operation mode switch see Figure 5 4 3 WOODWARD IDS 36 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dds 5 2 4 Commissioning of the Power Section The commissioning of the inverter s power section is executed according to the following sequence I Turn the PV modules on by using the string box main switches 2 Check the correct polarity of all PV inputs with a multimeter 3 Turn the system on by setting the two position switch to Start position Figure 5 3 2 During normal operation the signal lamp Figure 5 3 5 glows green and a humming from the inverter can be heard If the light is red or if it is flashing red see Chapter 8 for error handling 4 The Inverter is now ready for the set up of external control 5 3 Operation 5 3 1 Turning the Inverter On Turning the inverter on must be performed according to the following sequence 1 2 3 4 5 o O EEE Set the two position switch Figure 5 3 2 to Stop position Turn the PV modules on by using the string box main switches Turn the grid connection and the auxiliary power supply transformer on Turn the main switch on Figure 5 3 3 Wait until the touch screen panel Figure 5 3 4 displays the WOODWARD IDS logo If the signa
22. e Check if all steps according to turned on or the performed touch screen e Check the PV voltage in active display remains standby operation the systems is dark turned on at Upy1 350 V System in standby mode or turned off Increased cabinet e temperature Increased coolant temperature Short term tolerable grid disturbances Flashing green red subsequently inverter operation warning Warning only Inverter continues to operate In case of frequent occurrence check the cooling circuit according to Table 8 2 Flashing red Warning inverter is off Glowing red Error state inverter is off WOODWARD IDS The system does not start in standby mode The system does not start in standby mode Table 8 1 Cabinet temperature too high Coolant temperature too high Grid disturbances Cooling substance flow rate too low Error in the grid connection Error in PV connection E stop pressed Internal error Inverter troubleshooting 48 54 e Letthe system cool down for approximately two hours e Check the cooling circuit according to Table 8 2 e n case of frequent occurrence inform WOODWARD IDS Service e Check the cooling circuit according to Table 8 2 e Check the value of the grid voltage and frequency at the display e Check the electrical connections of the inverter e If the error stays after turning the main switch off and on inform WOODWARD IDS Service
23. e inlet and outlet hoses must not be interchanged 11 Figure 4 5 Cooling system elements and pipe connections on the inverter see Figure 4 4 1 Safety valve Liquid drain outlet for maintenance Inlet valve Outlet valve Hose connection inverter inlet Hose connection inverter outlet Expansion vessel Filling connection Filling valve Circulation pump for the coolant Manometer N OA DY C5 WOODWARD IDS 14 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dds P Figure 4 6 Hose connection inlet outlet 1 Valve 2 Union connection 3 Gasket Please follow the sequence below to connect the heat exchanger to the inverter 1 Connect the hose Figure 4 4 2 from the upper connection of the heat exchanger to the inverter inlet Figure 4 5 5 using the gasket Figure 4 6 3 2 Connect the hose Figure 4 4 3 from the lower connection of the heat exchanger to the inverter outlet Figure 4 5 6 using the gasket Figure 4 6 3 3 Open the four valves inlet and outlet on the inverter Figure 4 5 3 4 and inlet and outlet on the hoses Figure 4 6 1 counter clockwise 4 Connect the power supply cable Figure 4 4 4 of the fan to the inverter Table 4 8 Connect the blue cable Nr 1 to the OV terminal and the brown cable Nr 2 to the 24V terminal Mem Requirement Maximum hose length inverter heat exchanger Maximum elevation above inverter level in
24. ect a wire 61X5 4 deactivation of the inverter s main bridge if not used contactor in case of grid fault Contact closed in operation Contact open E stop Table 4 10 Signal connections for external grid monitoring see Figure 4 15 WOODWARD IDS 23 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dDS 4 6 9 External Start Stop Command External Start Stop command has the same function as the two position switch Start Stop Figure 5 3 2 49X11 3 External Start Stop input Digital input connect a wire 49X11 4 bridge if not used Contact closed Start position Contact open Stop position Table 4 11 Start Stop see Figure 4 15 4 6 10 External Emergency Stop N WOODWARD IDS In case there is an external emergency stop circuit it must be interposed to the emergency stop circuit of the inverter through the corresponding terminals The bridge 49X 1 3 49X 1 4 has to be removed and replaced by the connection to the client s potential free contact for emergency shut down The activation of the emergency stop leads to deactivation of the inverter s power connections the control continues to operate Failure to observe this warning could result in death or serious injury 49X1 3 Emergency stop E stop Digital input connect a wire 49X1 4 bridge if not used Contact closed E stop inactive Contact open E stop active 49X2 3 Signalization Digital output 49X2 4 Emergency stop E s
25. ed e When a certain string box has one or more strings with low current a warning message with string current and string box average current is displayed e When a string current is low for less than 15 minutes no warning is issued Figure 7 7 String box status window with details String monitoring can be switched on when the string box has string current measuring capability and otherwise is off A low current warning is issued when the current of one or more strings is less than a preliminary defined threshold as percentage of the average string current of the box String monitoring switch on off and parameter setting 1 Change the access level to Operator as shown above 2 Tap String Boxes Monitoring field Figure 7 2 3 and then Settings 3 Using or X go to Activate string monitoring parameter and tap Set 4 Change the value to Yes using or and tap Set 46 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD 7 8 WOODWARD IDS dds 5 If you want to change the trigger limit for low current warning use or to go to Low current warning at Yo of average string current parameter and tap Set 6 Using the number key pad enter the desired value and tap Set The value should not be too high because faulty warnings could be generated due to string current variations resulting from shadows clouds etc Events Log For the purpose of status monitoring and diagnostics an eve
26. ee operation of the inverter That is the reason why the cooling system has to be filled up and bleeded properly Avoid contact between the coolant and skin or clothes Use gloves and safety goggles Failure to observe this warning could result in serious injury WOODWARD IDS The inverter must not be in operation during the refilling Use only original WOODWARD IDS coolant For bleeding and refilling of the cooling circuit proceed according to the following sequence 1 Fill the filling pump vessel Figure 5 1 with fresh coolant and close the pump 2 Connect the coolant filling hand pump to the filling connection Figure 4 5 8 by using the supplied small diameter tube small diameter minimum air volume o Make sure the backflow valve of the filling pump is closed p Open the filling valve Figure 4 5 9 pi Open the backflow valve of the filling pump for a short time in order to fill the tube completely with coolant from the side of the inverter no air should be pumped in the cooling circuit of the inverter If the pressure of the cooling system is too low to fill the tube with coolant the tube has to be filled with coolant before connecting it to the inverter o Fill the cooling system by pumping the filling pump while constantly monitoring the manometer Figure 4 5 11 The cooling system has to be filled up to 2 bar as the bleeding process decreases the system pressure When 2 bar is reached close t
27. eeeeeeeeeeeeeseeeseeeeesaaees 21 4 6 5 Auxiliary Power Connection eeeeeeeessseeeeeeee nnn 21 4 6 6 Installation of the Heat Exchanger Fan 22 4 6 7 Installation of the Transformer Monitoring 23 4 6 8 Installation of the External Grid Monitoring 23 4 6 9 External Start Stop Command eesssseeeeeeesse 24 4 6 10 External Emergency Stop cccccccccccsssseceeecseseeeeeseeeeseeesseeaees 24 4 6 11 Digital Interface Specification eeeeeeeesesseeeeeeeeesss 25 4 6 12 Active String Boxes with Contactors optional 25 4 6 13 Power Limitation Optional ccccccccecsseseeeeseseeesseeeeeeseeeeeeeeees 28 4 6 14 Serial user interface RS485 optional 28 4 6 15 Interface to Integrated Central Control unit Weather station oje Nola ali Pa E 28 4 6 16 Power supply for weather station ccccecceseeeeeeeeeeeeeeeeeeeaeees 29 4 6 17 Installation of the GSM Modem optional 29 4 6 18 Ethernet connection uuussseussennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnne nnn 31 COMMISSIONING e M 32 5 1 Refilling and Bleeding the Cooling Circuit sseeeesssssssss 32 5 2 Inverter CO
28. er value Figure 7 4 Parameter value selection 41 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dDS The change of the parameter value is done by touching the Set button The Esc button leads back to the previous submenu 7 4 Access Rights to Functions and Parameters For protection of the system against improper service and unauthorized access some functions are password protected The access levels and permissions are listed in Table 7 1 An example change of access level is shown below The logout is accomplished by setting of system user parameter to User access level It does not require a password User System monitoring Reading the display values changing language no login required Operator System Setting the display parameters on the administrator start page Internet settings Engineer Installer System installation and maintenance Service WOODWARD IDS System servicing service Designer WOODWARD IDS Reserved for development purposes development Table 7 1 User levels under Settings menu Example of changing the access level to Operator This sequence starts from the main menu 1 Tap Settings followed by User level and Set Using or amp select Operator and tap Set Using or select Password and tap Set Enter the Operator level password using the number key pad Tap Set p 59 1m If the sequence was correctly done the following message appe
29. h I 10m Inverter to heat exchanger Max elevation above inverter level h Standards CE conformity EMC Pf Ves EN 61000 6 2 EN 61000 6 4 Heat exchanger 695 688 E 646 SJ Inverter Air out f Fan 50m h 62 128 Front min1 9m max 9 0m Cooling liquid in out i Pipe Tube Air in Fan 300m h Air out i Filter 250m h Ordering Information For technical or commercial information please contact the WOODWARD IDS sales office see Contacts on last page of this user manual WOODWARD IDS 52 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dds WOODWARD IDS 93 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS Sales Service WOODWARD IDS Contacts WOODWARD IDS SWITZERLAND AG Hagenholzstrasse 71 CH 8050 Zurich Switzerland WOODWARD IDS SWITZERLAND AG Hagenholzstrasse 71 CH 8050 Zurich Switzerland 54 54 Tel Fax E Mail Internet Tel Fax E Mail Internet M5 WooDWARD dDS 41 44 562 0600 41 44 562 0606 sales zuerich woodward com www ids ch 41 44 562 0690 41 44 562 0606 service request woodward com www ids ch IUM SOLO250 EN V2 01 1211
30. he filling valve Figure 4 5 9 a Carry out the inverter commissioning as described in Chapter 5 2 and turn the inverter on as described in Chapter 5 3 1 Then continue with the following steps o While the inverter and its cooling system pump is running open the red vent cap Figure 5 2 of the bleeding valve Figure 4 4 8 by two full turns counter clockwise from the fully closed position for proper automatic operation Bleeding of the pump in particular the motor area is normally implemented automatically after a short period of operation if the pump is only filled partly with coolant it might be necessary to bleed the pump as described in the nstallation and Operating Instructions of the pump manufacturer o Check the heat exchanger fan for correct operation The air must be sucked from the heat exchanger through the fan If this is not the case the whole system must 32 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dds be turned off and the power supply cables on the user terminals 48X1 3 and 48X1 4 have to be exchanged 10 If the pressure in the cooling system decreases through the bleeding fill the cooling system with coolant up to nominal pressure of 2 bar 11 Close the filling valve Figure 4 5 9 tight and detach the filling pump Note It is necessary to bleed the cooling system once again after a few hours normal operation of the system take care not to bleed too much liquid othe
31. hen WOODWARD IDS Smart String Boxes are used There is a dedicated field of the VCU main menu that shows the string box monitoring summary see Figure 7 2 3 It displays the number of detected string boxes and low string current warnings Tapping this field leads to a window displaying the states of the string boxes see Figure 7 6 Figure 7 6 String box states window There are six available string box states explained in Table 7 7 WOODWARD IDS 45 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD WOODWARD IDS Roy Status Description All string currents are positive no activated faults Low current Some string currents are less than the defined percentage of the average string current for the string box for more than 15 minutes The string current is between 1 A and 0 2 A String current is less than or equal to 1 A String box fault detected Communication Malfunction in communication between the string box and fault inverter Line fault When the SSBs are serially connected via Fibre Optic interface Figure 4 8 and Line fault on SSB3 is displayed this means that the optical interface between SSB2 and SSB3 is not working properly Table 7 7 String box states Scrolling over the string boxes and tapping Details opens a window which gives detailed information about the string currents of the chosen string box e When a string box is OK a detailed string current list is display
32. ing it Note The images shown below are for illustrative purposes only Main Menu BE Sek 1 7 6 2 5 4 sese mm Figure 7 2 Main menu Production since operation start Electrical energy production diagram active field String boxes monitoring summary active field System date and time active field Operational parameters Inverter s status active field Service menu active field Settings menu active field OO SI C05 l5 40 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD 7 2 7 3 WOODWARD IDS dds Note Touching active fields leads to system parameters submenus see Table 7 3 and Table 7 6 Submenus Submenus are activated by touching the relevant field of the main menu e g Settings menu Figure 7 2 8 Figure 7 3 Submenu Language Set button Main Menu button Navigation bar with arrows Submenu tabs 4A C hN Submenus are arranged in tab form and enable choice of options and parameters setting The choice between the submenus or parameters is accomplished by a navigation bar with arrows left right up down Figure 7 3 3 For parameter changes the relevant setting menus are opened when touching the Set button Figure 7 3 1 The Main Menu button Figure 7 3 2 leads back to the main menu Parameter Changes Parameter values can be selected by using the navigation bar or by touching the display in the area of the desired paramet
33. l lamp is flashing glowing red an error has occurred see Chapter 8 Set the two position switch Figure 5 3 2 to Start position After a successful start up of the inverter the signal lamp Figure 5 3 5 glows green and a humming from the inverter can be heard Ifthe signal lamp is glowing or blinking red there is an error or a warning see Chapter 8 If the signal lamp is off this may be due to a defective light The inverter could still be in operation and under voltage WOODWARD IDS 37 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dds off System in standby mode or In standby mode the system is switched off turned off when the PV voltage is low Check whether the two position switch has been set to Start flashing System ready to start The Wait until the inverter starts green inverter is not working yet glowing System operating Grid feed in active green flashing A warning has occurred during See Chapter 8 green red operation The inverter is still working flashing red A warning has occurred The See Chapter 8 inverter has stopped feeding energy glowing red The system is down An error See Chapter 8 has occurred Table 5 2 Status signal lamp see Figure 5 3 5 5 3 2 Turning the Inverter Off NOTICE The sequence for turning the inverter off must be observed Through frequent turning off by using the main switch or the E stop button during operation some components are
34. lts in personal injury or damage to devices or any other subsequent damages 1 2 IMPORTANT SAFETY INSTRUCTIONS READ AND SAVE THESE INSTRUCTIONS This manual contains important safety and operating instructions for SOLO 250 photovoltaic inverter Keep it with or near the inverter at all times Photovoltaic installations operate with lethal voltages and the work described here should only be performed by authorized personnel familiar with the installation mounting commissioning and the operation of PV installations This manual must be fully read and understood before installing or commissioning is performed The SOLO product must only be used for its intended purpose and unauthorized personnel are not allowed to open the SOLO product The faultless and safe operation of the product assumes appropriate transport specialized storage installation and mounting as well as correct operation and maintenance The relevant regional and country specific regulations and instructions must be obeyed as well as requirements described in this document including placement and installation instructions e g connection profiles torque settings etc Symbols and warning signs used WARNING indicates a hazardous situation which if not avoided could result in death or serious injury NOTICE NOTICE is used to address practices not related to personal injury Failure to observe could lead to property damage WOODWARD IDS 5 54 IUM SOLO250 EN V2
35. minations and perform relevant clean up Inspect cabinet for loose screws and bolts especially the ones of the electrical connections and perform relevant tightening Maintenance of the Cooling Circuit Annual maintenance e Check the system for leakages e Check the hoses and pipes for cracks e Check remove contamination or obstacles from the heat exchanger Checks on fans Blades in good shape No cracks in the blades No abnormal roaring whistling or grinding sound during operation Checks on the pump No abnormal roaring whistling or grinding sound during operation Filing in the cooling system back to nominal pressure and ventilation see Chapter 5 1 For more details please check the Maintenance Manual 39 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD 7 1 WOODWARD IDS dDS Operating the Touch Screen Panel of the Inverter and Parameterization The inverter is eguipped with a touch screen panel also called VCU Visual Control Unit positioned on the front door It serves the local operation visualization and system configuration After switching on the WOODWARD IDS logo appears as startup screen on the VCU M5 wooDWARD dds v1 15 15 Figure 7 1 WOODWARD IDS logo startup screen The main menu see Figure 7 2 is activated by touching the screen 10 minutes after the last activity the display switches to screensaver mode The display can be activated again by touch
36. nnnnnnnnnnnnnnn nun 48 9 EC Declaration of Conformity u222000000000nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nun 50 10 Data Sheet SOLO 250 ne an 51 WOODWARD IDS 4 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS MW WOODWARD dds 1 Introduction This high quality WOODWARD IDS photovoltaic inverter is intended for feeding photovoltaic energy into the public grid with a very high efficiency Through the liquid cooling of the inverter heat is taken out efficiently from the operating room 1 1 Disclaimer WOODWARD IDS delivers optimized tested equipment such as inverters and string boxes for Photovoltaic Power Plants The correct integration and interconnection of the equipment must be made according to the manuals and datasheets of WOODWARD IDS and is responsibility of the System Integrator WOODWARD IDS does not accept liability for system design dimensioning of system related parts installation or the performance of the system Claims due to product breakdowns are excluded The content of this manual is regularly reviewed for compliance with the hardware and software operation and any corrections are included in later editions Every effort is made to ensure the details in this manual are accurate Warranty claims will not be accepted in case of violation of the installation instructions and we do not accept liability in case of accidents caused by inappropriate handling or work performed by unauthorized personnel which resu
37. nts log is available Tap Service or Status field of the main menu to enter the events log It shows records of all events occurred see Figure 7 8 Scrolling through the events is done using or 9 An event can be deleted by touching Del Figure 7 8 Events log The status log has the following fields Time stamp Date and time when the event occurred WOODWARD IDS event code Unique event code Type of event Warning the inverter continues working or Fault the inverter stops Event description Details about the detected malfunction 47 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dDS 8 Diagnostics and Troubleshooting The system control is eguipped with integrated warning and error monitoring Warnings do not lead to a stop during operation but limit the output power When an error is detected the inverter is turned off After the disappearance of the cause of the error the inverter can restart itself automatically and return to the operation status A new start command is not necessary in such cases This automatic error acknowledgement function is limited to a maximum of 5 subsequent attempts When an error has appeared more than 5 times and the cause of the error eliminated the clearing of error status is done by turning the inverter off and on by the main switch Figure 5 3 3 Warning lamp Error pattern Possible reasons Troubleshooting 5 3 5 The system e Grid voltage E gt Ino
38. onformity Manufacturer IDS Solar EOOD 43 Cherny Vrah Blvd 1407 Sofia Bulgaria This declaration of conformity relates to frequency converter IDS SOLO XXX The above described product is constructed and manufactured according to the good engineering practice in safety matters in compliance with the essential requirements of Directive 2006 95 EC of the European Parliament and of The Council of 12 December 2006 on the harmonization of the laws of Member States relating to electrical equipment designed for use within certain voltage limits and regarding electromagnetic compatibility in compliance with the essential applicable requirements of Directive 2004 108 EC of the European Parliament and of the Council of 15 December 2004 on the approximation of the laws of the Member States relating to electromagnetic compatibility meeting accordingly the requirements of the following harmonized European standards EN 61000 6 2 Electromagnetic compatibility EMC Part 6 2 Generic standards Immunity for industrial environments IEC 61000 6 2 2005 EN 61000 6 4 Electromagnetic compatibility EMC Part 6 4 Generic standards Emission standard for industrial environments IEC 61000 6 4 2006 IEC 61000 3 4 Electromagnetic compatibility EMC Part 3 4 Limitation of emission of harmonic currents in low voltage power supply systems for equipment with rated current greater than 16 A EN 50178 Electronic equipment for use in power installations EN
39. or GSM modem connection In order to provide connection to the WOODWARD IDS Remote Diagnostic System the VCU of each inverter must be connected to the Internet via an Ethernet cable with RJ45 connector and visible for WOODWARD IDS For this purpose the local network at the PV plant must be configured The local network could be based on ICC Integrated Central Control or on customer s specific router When the network is not factory preconfigured the customer has to set up the network parameters of each VCU and send the access parameters to the WOODWARD IDS service centre The Internet parameters have to be taken from your network system administrator or Internet Service Provider Example of IP address setting 1 Change the access level to Operator as shown above From the main menu tap Settings and then Internet Using or select IP Address and tap Set Enter the IP address using 4 amp or 8 and the number key pad and tap Set Using or go to the next parameter and proceed in the same way o a s I I9 After setting all needed parameters tap Main Menu The VCU will restart and the changes will take effect After completion of the VCU and the network settings please call WOODWARD IDS for connection testing For further questions on network configuration please call the WOODWARD IDS Service Centre 7 7 String Monitoring The VCU of WOODWARD IDS SOLO inverter has the capability of string box monitoring w
40. ring box feedbacks see Figure 4 17 Note For details see SOLO String Box manual WOODWARD IDS 26 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD 4 i d i e Figure 4 17 String box feedbacks see also Figure 4 7 3 TX Glass fibre optic Cable type Outdoor UV light Transmit data resistant armoured RX Glass fibre optic Fibre type Multimode 62 5 125 or Receive data 50 125 Cable end port ST type Recommended A VQ BN H 1x4 Corning Cable Systems Table 4 16 SSB serial glass fibre optic interface see Figure 4 18 Note SSB RS485 interface is available on request TX RX h i tJ n T Figure 4 18 Terminals for serial interface see also Figure 4 7 6 WOODWARD IDS 27 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dDS 4 6 13 Power Limitation optional 4 6 14 4 6 15 WOODWARD IDS Certain grid operators demand a power limitation The interface is prepared in a way that the signal lines can be easily connected 61X1 1 Input power limitation Digital inputs connect a wire bridge on 61X1 2 to 100 61X1 1 61X1 2 if not used 61X2 1 Input power limitation uM 61X2 2 to 60 Contact closed active Contact open inactive 61X3 1 Input power limitation 61X3 2 to 3076 61X4 1 Input power limitation 61X4 2 to 0 Table 4 17 Power limitation see Figure 4 19 Note The limitation refers to the nominal power of the PV installation Seri
41. rwise coolant must be added again in order to keep the pressure above the required minimum Figure 5 1 Hand pump Figure 5 2 Bleeding valve of the heat exchanger WOODWARD IDS 33 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dDS 5 2 Inverter Commissioning 5 2 1 Control and Visualisation Elements M WOODWARD Figure 5 3 Control and visualisation elements Emergency stop button Two position switch Start Stop Main switch VCU Visual Control Unit Touch screen panel for visualisation and control Status signal lamp see Chapter 8 Non O WOODWARD IDS 34 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M5 wooDwARD dds 5 2 2 Important Components Overview WOODWARD IDS Figure 5 4 Important components UNSa NOQA Control unit with status display GSM communication unit GCU optional Operation mode switch in normal operation mode it should be on Stand By Active Overvoltage protection of the PV connections Main switch Grid monitor VDE 0126 1 1 optional Insulation monitor optional 35 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD 5 2 3 Initialisation dds NOTICE The initial commissioning has to be performed with external control disconnected power limitation emergency stop etc Following steps should be performed 1 QE s quoJ o Make sure the inverter s electrical connections are correctly executed
42. t WOODWARD IDS M WOODWARD dds 2 Warnings and Notes S The local installation standards must be obeyed The device must only be installed operated and maintained by qualified personnel The device carries lethal grid and PV generator voltages Consider a capacitor discharge time of 10 minutes And beware that an automatic restart can follow a grid or photovoltaic voltage failure Consider all safety instructions displayed on the inverter and in the installation and user manual S If any information is unclear please refer to WOODWARD IDS Service Centre NOTICE Loss of warranty The cabinet must not be damaged and no holes are allowed to be drilled in the cabinet Any transport damages must be reported to Woodward IDS WOODWARD IDS 7 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dds 3 Transporting the Inverter In order to avoid transport damage the following points must be strictly obeyed 1 The SOLO inverter must always be stored and transported in a vertical position 2 The SOLO inverter cabinet can be transported by crane or by forklift 3 1 Transport by Crane If the inverter falls during lifting persons in the vicinity could be crushed resulting in death or serious injury Make sure that no persons are in the danger area around the lifted inverter Observe the relevant regulations for crane operation The cabinet is lifted only by the original transport rings on
43. terminal compartment the screwdriver is removed and the conductor automatically makes contact The auxiliary power supply 230 V 50 60 Hz can be implemented as internal default or as external power supply When the internal auxiliary supply connection is used then the supply of the inverter control is connected internally through the main switch to the power connections L1 L2 L3 see Table 4 4 Note The inverter is delivered with wire bridges 12X5 3 12X5 4 and 12X6 4 12X6 3 connected internal auxiliary power supply by default see Figure 4 13 Figure 4 13 Wire bridges for internal auxiliary power supply see also Figure 4 7 8 External power supply 230 V grid external fuse 10 A is recommended where a low tariff grid power supply is available see Table 4 7 WOODWARD IDS 21 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD Terminal Connection type Cu cross section External supply configuration Spring cage 1 5 2 5 mm PE 25X3 4 Input L Spring cage 1 5 2 5 mm External grid L 25X4 4 Input N Spring cage 1 5 2 5 mm External grid N Table 4 7 External auxiliary power supply see Figure 4 14 Note Never supply the inverter from a source controlled by Transformer standby output signal see Table 4 9 because it will not be able to recover after signal activation TE Ai i L A t o MT 12 PLEN NE RR E NEN A p gt PX 4 zum E g m mE um m L A
44. the cabinet roof Check if they are mounted properly and screwed tight NOTICE The force effect on the rings must be vertical therefore an adequate guidance should be used Otherwise the cabinet can be damaged Figure 3 1 Transport by crane WOODWARD IDS 8 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dDS 3 2 Transport by Forklift EEE If the inverter tilts over during the transport people in the vicinity could be crushed resulting in death or serious injury Ensure that no people are in the danger area around the lifted inverter Note The front and back covers of the socket must be removed for the transport see Figure 3 2 and Figure 3 3 Figure 3 2 Disassembled cover for forklift transport Figure 3 3 Transport by forklift WOODWARD IDS 9 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dds 4 Installation of the Inverter Upper connection Heat exchanger SOLO 250 Heat exchanger GSM antenna power supply Lower connection Outlet Control signals Control SPS Intlet gt PV module String box Communication ma Ethernet o e N IP grid TT PV input 1 Modem connection else id
45. top Contact closed E stop inactive Contact open E stop active Table 4 12 Inverter control see Figure 4 15 24 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD Ds 4 6 11 Digital Interface Specification Digital Reads logic level 24 V relay Potential free contact input Active Contact open Inverter e min 24 Voc Inactive Contact closed 24V 0 N O e min 20 mA OV Cu cross section 0 5 2 5 mm Cable gland 4 5 10mm Digital Drive logic level Potential free contact 24 V relay output Active Contact open Inverter e min 10mA Inactive Contact closed e maxiA Insulation voltage 2 5 KVac 1 min Cu cross section 0 5 2 5 mm Cable gland 4 5 10mm Table 4 13 Digital interface specification 4 6 12 Active String Boxes with Contactors optional The total number of string boxes is limited to 6 pcs two on each tracker input WOODWARD IDS offers string boxes with contactors The contactor type string boxes are controlled by the SOLO inverter and must be connected according to Table 4 14 and Table 4 15 The feedback is used by all SOLO string box types see Table 4 15 Stand by mode The wake up signal for stand by mode of the inverter is related to PV input 1 Therefore this PV input must always be connected to a PV field in order to make sure the SOLO will start while standby mode is active For contactor string box installation make sure that one string box called overnight string bo
46. verter bottom level 9 m to heat exchanger top level Pressure air pressure in the 2 litre expansion vessel 0 5 bar at 20 C and when no pressure in the liquid Nominal pressure in the cooling system at 20 C Minimum pressure in the cooling system negative pressure 1 1 bar fault at 20 C Integrated safety valve Antifreeze Ethylene glycol Coolant concentration for freezing point 25 C 45 antifreeze 55 water Coolant antifreeze water mixture volume Approx 7 litres inverter with original heat exchanger and 2 x 10 m hoses Table 4 2 Heat exchanger installation requirements WOODWARD IDS 15 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD 4 6 N dds Electrical Installation The installation of the inverter must only be performed by authorized personnel The absence of voltages grid and PV lines must be ensured at all times After opening all power connections grid and PV wait for 10 minutes to ensure internal power capacitors have discharged 4 6 1 Overview of the Electrical Connections WOODWARD IDS The location of the electrical connections in the inverter is shown in Figure 4 7 oT EEE 2 2 2 KEERD m eu ee en m m m m mo Figure 4 7 Location of the electrical connections in the inverter 1 PV input power terminals 2 PE copper rail for all internal and external PE connections 3 Terminal for Ethernet string box supplies
47. x is controlled separately see Table 4 15 Terminai Function Specification String Box 1 overnight string box 50X2 4 Contactor control 50X4 4 Contactor control 50F3 1 String Box 3 Inactive O V contact open 50F4 1 String Box 4 Active 250 Vacpc max 1 A 50X8 4 Contactor control 50F5 1 String Box 5 50X10 4 Contactor control 50F6 1 String Box 6 50X12 4 Contactor control Table 4 14 String box supplies and controls see Figure 4 16 WOODWARD IDS 25 54 IUM SOLO250 EN V2 01 1211 Copyright WOODWARD IDS M WOODWARD dds Note String box 1 overnight string box has an additional function in standby mode of the inverter during the night The PV output power cables from this box have to be connected to PV input 1 Figure 4 16 String box supplies and controls see also Figure 4 7 3 50X13 3 String Box 1 Warning Feedback for contactor and surge 50X13 4 overnight string box protection status 50X14 3 String Box 2 Warning Dim 50X14 4 igital Inputs Contact closed Warning inactive 90X15 3 Stringox 3 Warning Contact open Warning active 50X15 4 50X16 3 String Box 4 Warning At delivery each input is short connected by 50X16 4 wire bridge The bridge must be removed before connecting the feedback cable 50X17 3 String Box 5 Warning l Not used string box feedback terminals in 90X17 4 SOLO inverter have to be short connected 50X18 3 String Box 6 Warning by wire bridges 50X18 4 Table 4 15 St
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