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User Manual - Kostal Solar Electric

1. Country Switch setting peal language PL UUGSUNUH jen BA BG EE HR LV LT ME RO 20000000 len RS SK TR Table 4 DIP switch settings Forts 1 with frequency dependent active power reduction 2 with frequency dependent active power reduction and reactive power control according to VDE AR N 4105 3 Feed in current per phase in relation to the entire system Only valid for inverters with AC apparent power up to 5500 VA 6 5 2 Communication board Il After commissioning a prompt to select the country setting appears in the display 4 Fig 23 Display on the inverter e Press the arrow keys 1 or 2 to select the desired country e Press the Enter key 3 to go to the confirmation window e Press the arrow keys 1 or 2 to switch between NO and YES choices e Press the Enter key 3 to confirm your selection 6 6 Connecting communication compo nents with communication board Install the available communication components such as an analogue modem cable etc The GSM modem is an exception since the PIN code of the SIM card must be entered before the GSM modem can be installed in the inverter with the SIM card see section 7 2 2 6 Installation AA DANGER Risk of death due to electrical shock Single insulated cables from communication compo nents may come into contact with parts carrying mains voltage if the insulation is damag
2. PIKO 7 0 DCS 8 3 DCS 10 1 DCS 3 0 DCS 3 6 DCS 4 2 DCS 5 5 DCS pes DES Des pee AD AD AD basic Input side DC Number of DC inputs 1 1 2 2 2 2 3 3 2 2 2 2 3 3 Number of MPP trackers Recommended DC power 5 to 10 above AC rated output Max DC input voltage 950 V idling voltage Min DC input voltage 180 V DC start input voltage 180 V DC nominal voltage 680 V Max MPP voltage 850 V Min MPP voltage in single 380 V 440 V 500 V 660 V Not recommended tracker operation Min MPP voltage in dual 340 V 360 V 360 V 400 V 400 V 420 V tracker or parallel operation Max DC input current 9A 9A 13A 9A 12 5A 25 A2 Max DC input current with 13A 25A parallel connection Output side AC Number of feed in phases 1 3 AC mains voltage 1 N PE AC 230 V 3 N PE AC 230 400 V Max AC output current 131A 15 7 6 1A 8A 10 2 A 12A 145A AC rated output cos p 1 3 000 W 3 600 W 4 200W 5 500 W 7 000 W 8 300 W 10 000 W Putre IC 3300 W UK 4000 W IC 5000 W DK 6000 W PT 3300 W PT1 3680 W PT 5000 W PT2 3450 W AC apparent power 3 000 VA 3 600 VA 4 200 VA 5 500 VA 7 000 VA 8 300 VA 10 000 VA cos adj Power factor COSQacr oe o sa 0 9 capacitive 1 0 9 inductive Max efficiency Tmax 95 7 95 896 96 596 96 296 96 096 97 096 97 096 European efficiency Neu 95 0 95 1 95 4 95 7 95 3 96 3 96 4 Rated frequency 50 Hz Table 22 Technical data 1 dependent upon
3. Fig 9 Installing the inverter top PIKO 3 0 3 6 4 2 5 5 below PIKO 7 0 8 3 10 1 1 Required space for cooling Outer dimensions of the inverter e Drill holes and insert wall anchors if necessary e Screw the wall mount to the intended surface Use the supplied screws e Hang the inverter on the wall mount e Fasten the inverter on the underside using the supplied screw 6 2 Electrical connection N DANGER Risk of death due to electrical shock If exposed voltage carrying cables make contact an electrical arc can occur posing a life threatening hazard e Only remove as much of the cable insulation as is necessary The insulation must reach up to the ter minal N DANGER Risk of death due to electrical shock Metal slivers can fall into the inverter when removing the insulation Contact with voltage carrying components during operation can cause an electrical arc to occur posing a life threatening hazard e Never remove the cable insulation above the inverter Opening the housing e Release the four screws of the cover and carefully remove the cover 6 3 Connecting the AC side e Unscrew the cable screw connection for the mains cable 1 in figure 10 Fig 10 Connections on the housing 1 Cable screw connection for mains cable Press the blind plug and the sealing ring out of the screw connection from the inside towards the outside using a s
4. Fig 7 Active power control with a ripple control signal receiver Note For all PIKO inverters the ripple control signal receiver can be directly connected without an addi tional device see section Connecting a ripple control receiver for active power control on page 39 The reg ulating function is activated in the web server of the inverter option Function of analogue inputs active power control Fixed limitation of the feed in power to 70 of the PV output Should the active power control not be realisable with a ripple control signal receiver the feed in power is then generally to be reduced to 70 of the PV output accord ing to the Renewable Energies Act 2012 EEG 2012 The reduction is carried out with the parameterisation software PARAKO Provision of reactive power As of a system apparent power of 3 68 kVA the energy provider must release a part of the generated power as reactive power The reactive power can be prescribed as follows with the parameterisation software PARAKO cos p A value for cos p is prescribed cos P An active power curve is prescribed Table 1 Reactive power control with PARAKO In addition the displacement factor cos can be remote controlled through a ripple control signal receiver 5 Unit and system description Regulating of unbalanced loads In order that the power grid remains stable it must be evenly loaded Single phase feed in results in
5. Fault System fault Internal system fault Sporadic brief occurrence No measures necessary Frequent brief occurrence Contact technical support Enduring occurrence De energise the inverter completely Recommence operation after 5 minutes In the event of continuing problems contact technical support Table 20 Events 58 Installation and Operating Manual for PIKO Solar Inverter 9 System monitoring Also observe the descriptions about communication and accessories in chapter 7 2 from page 41 on The inverter regularly records performance data for example the voltage generated by the photovoltaic modules or the quantity of current fed into the public grid These log data are stored in the unit for about 100 days or 400 days depending on the set saving interval 15 min or 60 min Note Some of the data will also be shown on the inverter display during operation see chapter 8 4 There are two ways of retrieving displaying and permanently saving all log data Transfer the log data to a solar portal Download the log data onto a computer You can of course make use of both options together Transfer the log data to a solar portal The inverter can transfer its log data automatically and at regular intervals to a solar portal in the Internet The data transfer may involve potential additional costs As a rule you must register the inverter with the solar por tal opera
6. 12 20 20 23 for parallel connection 1 2 A Max DC input 13 13 25 25 25 current for parallel connection input 1 amp 2 A Table 3 Connecting inputs in parallel When supplied the inverter is equipped with plug in connectors from Multi Contact type MC4 During assembly always observe the latest specifica tions from the manufacturer of the plug in connec tors e g regarding required special tools permissible tightening torques etc Further information is available for example online at www multi contact com Installing the plugs onto the DC cables e Ensure that the DC load break switch is set to O OFF The plug in connectors may be plugged in and disconnected in this position only e Eliminate any existing earth faults or short circuits in the strings e Remove 6 7 5 mm of insulation from the DC cable Be careful not to cut any individual conductors e Crimp the DC cables according to the recommen dations of the plug in connector manufacturer e Lead the crimped contacts from behind into the plug or socket insulation until they engage Make sure to use the correct counterparts for the 18 Installation and Operating Manual for PIKO Solar Inverter plug in connector couplings on the inverter Observe the polarity of the cables e Pull gently on the cable in order to check whether the metal part has engaged e Check that assembly has been carried out
7. Auto IP DHCP Ethernet cable DSL router with DHCP server Switch hub Computer with network setting Obtain IP address automatically NOOR C5 Io gt Network with a fixed IP addresses Sample images are provided for both communication boards and Il A fixed IP address assignment manual network configuration setting is only required in a few cases You have a local network Ethernet with fixed IP addresses and wish to integrate the inverter into the network figure 75 or 76 Or you operate the inverter through a DSL connec tion with router and wish to connect to the inverter remotely via the router figure 77 or 78 Installation and Operating Manual for PIKO Solar Inverter 45 7 Commissioning and de commissioning Fig 75 Communication board l Network settings with manual network configuration for analog oder GSM communication subnetzmask 255 255 255 0 Fj external router Inverter with an integrated modem analogue or GSM Inverter 1 IP address 192 168 1 2 2 Optional additional inverters without modem Inverter 2 IP address 192 168 1 3 Ethernet crossover cable Switch hub 3 4 5 Computer IP address 192 168 171 250 6 Telephone connection or mobile communications antenna Fig 76 Communication board Il Network settings with manual network configuration for analog oder GSM communication subnetzmask 255 255 255 0 extern
8. Version b with an analogue modem requires the inverter to be connected to a separate analogue tele phone connection or an analogue extension of a tele communications system This requires a telephone connection close by The inverter must be connected to the telephone connection at all times For version b with a wireless modem you will require a SIM data card from a mobile phone provider There must also be adequate wireless reception at the point of installation Make sure that the access point name is set correctly To do this use the Settings page see section Installing GSM modem via the GSM Link configuration tool You will find a detailed description on our website Note Inadequate reception quality for example in areas with weak network coverage can lead to con nection problems and to the GSM modem dialling into the grid too often Depending upon the price model of the GSM contract this can result in increased costs The reception quality also depends upon weather con ditions We recommend testing the reception with a normal mobile telephone for a few days prior to installa tion to ensure that adequate reception is possible despite differing weather conditions Note that the antenna position depends on the maximum cable length of the GSM antenna of 8 m Note For installations with several max 30 inverters you will only need one modem Version b To transfer the data of several inverters to a
9. grid frequency in Hz ACS AC status Value Meaning 0 Inverter off 1 Inverter idling 2 Inverter starting up 28 Feed FC Residual current measured residual current in mA Aln1 Analogue input voltage Aln2 display of the analogue inputs 1 to 4 of the Aln3 communication board Aln4 The measured voltage value in V can be calculated with the value from the table digits and the following formula input voltage V 10 1024 digits If the SO input is used to count the energy pulses both table columns Aln3 and Aln4 give the sum of the energy pulses per log interval This total value is calculated as follows Etota Aln3 219 Aln4 ERR General malfunctions ENS S Status of the ENS device for grid monitoring with assigned switching elements Status of grid monitoring Value Meaning 0 Grid monitoring deactivated 1 Initialisation phase 2 Pending start up of inverter 3 Running current feed in to the grid 15 Error ENS Err alfunction of the ENS device for grid monitoring with assigned switching elements KB S nternal status of the communication internal communication status when switching to AC grid Total E Total energy otal fed in energy in kWh when switching to AC grid Iso R nsulation resistance insulation resistance in kOhm when switching to AC grid Event POR event power on reset renewed start up of communication after a loss of AC voltage Table 21 Log data Forts With a l
10. nected in the network figure 26 Version b is the best option when no switch is availa ble Installation and Operating Manual for PIKO Solar Inverter 21 6 Installation Note Ethernet cables network cables are standard connection cables commonly used for computer net works These cables are suitable for most applications and available from computer specialty traders A crossover cable is a special type of Ethernet cable for which the plugs are occupied differently In this way two devices can be directly connected to one another with out a switch or hub being necessary You only require a crossover cable when you wish to connect the inverter directly to a computer meaning without a switch hub Fig 25 Fig 24 Connecting inverter and computer with Ethernet cables and switch Inverter Ethernet cable Switch hub Computer for configuration or data retrieval NGN Fig 25 Connecting inverter and computer with crossover cable 1 Inverter 2 Crossover cable 3 Computer for configuration or data retrieval Fig 26 Multiple inverters in the network Inverter Additional inverters Ethernet cable Switch hub Computer for configuration or data retrieval O1 amp C5 I0 Situation 2 Direct retrieval of the yield data The retrieval of the current yield data as well as the stored inverter log data is also only possible using a computer The units are cabled as d
11. Maintain minimum distances from other inverters and required free space see Short manual page 20 and Fig 9 page 16 Inverter must be easily accessible and the display clearly visible Protect inverter from rain and splash water Inverter can cause noise when in operation Install inverter in such a way that people are not disturbed by operation noises Protect inverter against exposure to direct sunlight 1 Mount inverter on a non flammable installation surface XQ Mount inverter on a stable installation sur face that can securely bear the weight of AN the inverter Plasterboard walls and wood planking are not permitted A sufficient safety distance from flamma ble materials and explosion hazard areas in the vicinity are to be ensured nz AR Mount inverters on vertical installation surfaces 90 C F he ambient temperature must lie between 20 C and 60 C gt The air humidity must lie between O 96 g 6 and 95 non condensing Protect inverter against dust contamina tion and ammonia gases Installation and Operating Manual for PIKO Solar Inverter 15 6 Installation Installing the wall mount and hanging the inverter e Mark the positions of the drill holes at the installation site by using the wall mount as a drilling template
12. 5 5 1 Fan cable 2 Fan 3 Fan grille 4 Screws Installation and Operating Manual for PIKO Solar Inverter 49 7 Commissioning and de commissioning Fig 83 Dismantle fan PIKO7 0 8 3 10 1 1 Fan cable 2 Fan plate with fan and grille 3 Screws The fan test can only be performed during feed in mode green LED lit For information on starting the fan test refer to chapter 8 4 If the fan does not run properly it should be cleaned To do so you must switch off the inverter N DANGER Risk of death due to electrical shock There are deadly voltages in the inverter during operation e Switch off the unit completely DC side and AC side before all work Wait at least five minutes after switching off until the capacitors have discharged e Switch off the inverter as described in chapter 7 4 You can now clean the fan e PIKO 3 0 3 6 4 2 5 5 Loosen the screws 4 in fig 82 and carefully remove the fan grille and the fan PIKO 7 0 8 3 10 1 Loosen the screws 3 in fig 83 and carefully remove the fan plate e Disconnect the fan cable plug connection e Clean the fan with a soft brush e PIKO 3 0 3 6 4 2 5 5 Reinsert the fan cable place the fan back into the housing and screw the fan and the fan grille on PIKO 7 0 8 3 10 1 Reconnect the fan cable and screw the fan plate back onto the housing You can now switch the inverter back on e Turn the DC load break switch to ON or switch on th
13. Blockage of right fan Fan blockage ri Contact the hotline when the cause cannot be determined 3 Warning OI Attention Fan test only possible in feed in operation mode Fan speed le 4 Warning Right fan too slow Fan speed ri Mains fault red LED lights 106 Fault Neutral conductor not connected Check neutral conductor Neutral conductor Correctly 150 Fault Grid frequency error Check grid frequency where possible Mains fault 151 164 Fault Grid error during feed in Check grid especially when switching ALL phases and N Mains voltage against PE 165 178 Fault Frequency error Check frequency of the grid operation with emergency power Frequency unit not possible 240 Fault Overcurrent on AC side Contact technical support in the event of enduring or constant Mains fault occurrence 241 250 Mains voltage too high or too low Check mains voltage 251 278 Fault Mains voltage error Mains voltage 279 292 Fault Phase error Check phase angle where possible Phase error Table 20 Events Installation and Operating Manual for PIKO Solar Inverter 57 8 Inverter operating characteristics Code Display in the display Description Measures Residual current red LED blinks 300 399 System Residual current Switch off due to residual current Check the electrical installation for insulation errors the DC side PV modules as well as the AC side mains Causes of faults could be for example fraye
14. Press the arrow keys UP or DOWN several times if necessary until the symbol for the desired menu is marked e Press the Enter key The menu is opened 8 5 2 Information for control navigation and data entry Control and navigation Object with the dashed line means object is selected and can be executed Meer with Enter Object point with black background ABC means object is selected and can be executed with the input keys The next higher menu level is shown lt lt lt following selection of this menu point Table 18 Control navigation Entry of text and numbers A Select with the arrow keys letters and numbers v Letter or number with black background A means letter or number is selected and can be changed with the arrow keys Letters and numbers are deleted with lt lt this function corresponds to the back space key When the name inverter is set the input is confirmed and saved with a long pressing of the Enter key vA 3s Table 19 Data entry 8 5 3 DC menu e Inthe DC menu you can call up information about the DC input page Information about the voltage U the current strength for direct current I and the power P is available DC total input ooo ooo ooo Fig 89 DC menu Installation and Operating Manual for PIKO Solar Inverter 53 8 Inve
15. RS485 up to 200 inverters depending on the inverters used can be connected see Table 8 Additional components can be connected to RS485 An additional level converter may be required in some cases Use a twisted pair cable for connection such as LiYCY 2 x 2 x 0 25 To do so the DIP switch for the RS485 configuration 1 in figure 60 must be set accordingly on the commu nication boards of all inverters Fig 60 DIP switch for RS485 configuration 1 DIP switch for RS485 configuration 36 Installation and Operating Manual for PIKO Solar Inverter It is possible to mix inverters with and without DIP switch for the RS485 configuration The potential con nection scope and the DIP switch setting required are illustrated in Table 8 If all inverters for connection are equipped with DIP switches cable lengths of up to 500 m are possible Note If other RS485 units are connected in a RS485 network in addition to the inverters e g a display the number of inverters which can be connected and the maximum cable lengths may be limited 6 Installation ATTENTION The communication board may be damaged by electrostatic discharge Use a blunt non metallic utensil to activate the DIP switch Touch a grounded point for example the holder for the housing screw connection on the bottom right before touching the circuit board e f necessary switch the termination on using DIP Switch 1 and switch the bus supp
16. Renewable Energies Act EEG 2012 the grid operator can reduce the feed in tariff or dispense with it entirely The following points are relevant when implementing the new application rules Frequency dependent active power control Active power control with a ripple control signal receiver Fixed limitation of the feed in power to 7096 of the PV output Provision of reactive power Regulating of unbalanced loads Frequency dependent active power control To date inverters are to be immediately disconnected from the grid when they exceed the upper frequency limit of 50 2 Hz Grid stability can be negatively impacted by the abrupt switching off of large genera tion systems Hence the need for an active power reduction solution in the event of overfrequency This means that inverters need not be disconnected from the grid when exceeding 50 2 Hz but instead that the active power must be reduced This active power is then reduced by 40 per Hz When the frequency reaches 51 5 Hz the inverter must be immediately separated from the grid 12 Installation and Operating Manual for PIKO Solar Inverter Active power control with a ripple control signal receiver The active power of the PIKO inverter can be controlled directly by the energy supply company via a ripple con trol signal receiver With this technology the generated power can be regulated at four levels see Fig 7 100 60 30 0
17. address of the inverter in the Host IP address field note enter the letter S and the inverter s serial number for example http S12345FD323456 In the GSM area enter the data APN user name and password of the SIM card in the corresponding fields and confirm by selecting Write new settings Switch the inverter off for at least 5 minutes Slide the SIM card into the card holder on the underside of the modem Carefully attach GSM modem to circuit board The uppermost plug pin on the left must be inserted into the uppermost hole in the multipoint connector Fig 38 Installing the modem Insert the plug of the radio antenna into the GSM modem Install the radio antenna where it will have the best possible reception Note The reception quality will be displayed on the web server info page after starting up See section Checking sensors and modem in chapter 7 2 6 Installation e Switch the inverter on again and wait at least 2 minutes e nthe Internet browser enter the serial number inverter name or IP address in the address line to go to the inverter s web server e Check the current modem status on the Info page info page 1 analogue input 0 00V 2 analogue input 0 00V 3 analogue input 0 00V 4 analogue input 0 00V modem status no modem last portal connection no of SO In pulses O 45 minutes Fig 39 Modem status e f the Modem status GSM signal stren
18. data you require APN user name and password You should select a provider whose network supplies the strongest GSM signal at your chosen location The tariff must allow for packet data communication via GPRS Prepaid cards which are charged by mobile calls are not suitable Tariffs which specify particular times for data down loads cannot be used The tariff must permit a data volume of at least 5MB per month and inverter The SIM card must be activated before installation e Switch the inverter off for at least 5 minutes Fatal voltages are produced in the inverter during operation Only a qualified electrician may open and perform work on the unit e Open the cover e Connect an Ethernet crossover cable to the communication board RJ45 interface network connection and connect this to the PC e Switch the inverter back on again e Inthe Internet browser enter the serial number inverter name or IP address in the address line to go to the inverter s web server e g S081230001 or s903421E100001 or 192 168 1 1 e Enter the PIN number on the Settings page in the GSM PIN field settings ver 4 03 S no 0000ABC112233 item number 10094860 language English z name Name RS485 inverter address 255 1 220 data acquisition allj 15 J minutes Switched output function S0 pulse SO AL Out internal consumption function 1 power limit fi 100 Ww stable positive d
19. figure 64 so that the inverter connected to the ripple control receiver can forward the information received to the other inverters Fig 64 Connecting the ripple control receiver for inverters with Ethernet or RS485 connections 1 Master inverter 2 Additional inverters 3 Ethernet cable alternatively RS485 connection 3 conductor 5 conductor connection at analogue in Ripple control receiver Grid O04 e Connect the ripple control receiver lines in accord ance with the terminal assignment figure 65 and table 10 Installation and Operating Manual for PIKO Solar Inverter 39 6 Installation Fig 65 Connecting the ripple control receiver to the inverter 1 Ripple control receiver Connecting RS485 Connections for the serial RS485 interface are found on the terminal for analogue interfaces figure 63 Using RS485 up to 200 inverters depending on the inverters used can be connected Additional components can be connected to RS485 An additional level converter may be required in some cases Use a twisted pair cable for connection such as LIYCY 2 x 2 x 0 25 To do this you must set the bus prestress and bus ter mination menu items in the user menu to ON fig 88 If using an inverter with communication board II all other inverters must also be fitted with communication board Il Cable lengths of up to 500 m are possible Note If other RS485 units are connected in a RS
20. files EPIKO Master Control V2 0 PVA 1 SOLAR ELECTRIC triermation Aul Awonna Datenespot Ersieiungen het 9 Esragin kWh Wochenauswertung Ertrag PVA 1 07 09 2009 13 09 2009 dex Fig 93 Visualisation software PIKO Master Control V2 If you are not using visualisation software you can display the log data with any conventional spreadsheet application The following table 21 lists which measurement values are contained in the log data Entry Explanation Time Details in seconds of the time since putting the inverter went into operation DC1U DC voltage DC2U input voltage of the respective string 1 2 and 3 DC3 U in V DCI DC current DC2 input current of the respective string 1 2 and 3 DCS inmA DC1 P DC power DC2 P input power of the respective string 1 2 and 3 DC3 P inW DC1 T DC temperature DC2T details for service DC3 T DC1 S DC status DC2 S details for service DC3S AC1 U AC voltage AC2 U output voltage of the respective phase 1 2 and 3 AC3 U inV Table 21 Log data 9 System monitoring Entry Explanation ACA AC current AC2 output current of the respective phase 1 2 and 3 AC3 inmA AC1 P AC power AC2 P output power of the respective phase 1 2 and 3 AC3 P in W ACA T AC temperature AC2 T details for service AC3 T ACF AC frequency
21. from the power grid The reactive power current is out of phase That means that power and voltage reach the zero point and the peak value at different times The phase shift caused by inductive and capacitive devices reduces the stability of the power grid and must be compensated The compensation of reactive power requires electrical power This required energy must be provided by the electricity producers at no charge Apparent power Apparent power is the total power consisting of real and reactive power The calculation of electrical power takes place through the geometrical addition with the angular functions cos sing and tanq Displacement factor cos The size of the real reactive and apparent power can be determined with the displacement factor cos The smaller the cosq factor is the less the active power and therefore the greater the reactive power Note The cos displacement factors are set with the parameterisation software PARAKO and the size of the reactive power is defined in this way You can acquire the software from the support VDE application rule VDE AR N 4105 and Renewable Energies Act EEG 2012 New application rules for PV systems have applied in Germany since 1 January 2012 The VDE application rules VDE AR N 4105 and the Renewable Energies Act EEG are compulsory The PIKO inverters satisfy the currently required standards and guidelines Note Should the PV system not fulfil the
22. inverter must have a fixed IP address in the local network Port forwarding must be configured to the inverter IP address in the router The router must be assigned a fixed IP address by the Internet provider or you must register the router with a DynDNS service to connect the dynamic router IP address with a fixed name The inverter can then be accessed over the Internet under the domain name provided by the DynDNS service and you can connect to the inverter with any Internet browser see figure 45 Setting up a port forwarding and a DynDNS service can not be illustrated in detail here due to the vast number of different devices and services available Note DynDNS services can also be found under the designation Dynamic DNS and DNS Host Service In order that the router can be reached under the selected domain name it informs the DynDNS service of each IP address change Many of the available rout ers offer such a function but a router generally only supports certain DynDNS services With some router manufacturers the function for port forwarding is called Virtual Server or similar For further information see the operating instructions of the router 30 Installation and Operating Manual for PIKO Solar Inverter 6 Installation Fig 45 Retrieving log data Inverter connected to the Internet via DSL 1 Inverter 2 DSL router 3 Internet 4 Computer 5 Internet compatible mobile
23. inverter off decommissioning e 49 7 5 Servicing maintenance els 49 6 Disassembly and disposal 5 3 ox rw o xe ar TE oe ee eae eek a bad be UR es 50 8 Inverter operating characteristics 000 cece eee eee Rm nnn 51 8 1 Display TOO zx es Era bp e OC Or oder e EO RC ee e 51 8 2 Determine the operating status operating LEDS LL 51 8 3 Determining the operating status display sanaaa 51 8 4 Displaying operating values and changing settings communication board 1 52 8 5 Displaying operating values and changing settings communication board I 52 BO FAUSTA 56 9 System monitoring s o sero cma Rx vee weet ew ede ra eed eee ecded dda eee eee 59 9 1 Displays and settings via web Server 59 g2 Logging Into the Web Seer soc eb eae RE UO Ed E Pde we Bee 59 9 3 Downloading log data ias st ede eee pe Pie du mx phis Ae ww bee de a dog dd 60 9 4 Displaying log data 2 4 24 see meneame a dep bebe e m 61 9 5 End data transfer to a solar portal 62 T0 APPEAR RA A roc IR RERO E CR A M ER 63 1057 Technical data x esee ae ko o or xo UR UA TOR HA Qd ee INCREPAT DEOR E nn 63 10 2 Block diagram i reagire x ms RUE dete Rl pc qos aee RR A RR RURSUS RR RR A 65 10 3 Type plate iux eee PR Ro ach naw dota ede e dede OE RO RR je 66 10 4 Warranty and service information Li 66 Dl dae ANA 67 Installation and Operating Manual for PIKO Solar Inverter 3 Thank you for choosing a solar inverter PIKO f
24. possible through a solar portal Version b with an analogue modem requires the inverter to be connected to a separate analogue tele phone connection or an analogue extension of a tele communications system This requires a telephone connection close by The inverter must be connected to the telephone connection at all times For version b with a wireless modem you will require a SIM data card from a mobile phone provider There must also be adequate wireless reception at the point of installation Make sure that the access point name is set correctly To do this use the GSM Link configuration tool see section Installing GSM modem A detailed description can be found on our website and the CD provided Note Inadequate reception quality for example in areas with weak network coverage can lead to con nection problems and to the GSM modem dialling into the grid too often Depending upon the price model of the GSM contract this can result in increased costs The reception quality also depends upon weather con ditions We recommend testing the reception with a normal mobile telephone for a few days prior to installa tion to ensure that adequate reception is possible despite differing weather conditions Ensure that the antenna cable length does not exceed 8m Note For installations with several inverters you will only need one modem Version b with one or two inverters If you have two inverters you can conne
25. the settings Setting the analogue input functions e Select whether the analogue inputs should be used for connecting sensors or a ripple control receiver for active power control e Click on Accept to save the settings Configuring the network Sample images are provided for both communication boards and Il As the standard default setting the option Auto IP DHCP is activated This means that the inverter obtains its IP address automatically from a DHCP Server such as from a DSL router for example A DHCP server is a program which assigns a network address to its subscribers If no DHCP server is availa ble the inverter assigns an IP address to itself e The option Auto IP DHCP is suitable for most applications figure 73 or 74 Fig 73 Communication board Network settings with automatic network configuration for an external DSL router Auto IP DHCP external router Inverter 1 Auto IP DHCP Inverter 2 Auto IP DHCP Inverter 3 Auto IP DHCP Ethernet cable DSL router with DHCP server Switch hub Computer with network setting Obtain IP address automatically NOOR OM gt 7 Commissioning and de commissioning Fig 74 Communication board Il Network settings with automatic network configuration for an external DSL router Auto IP DHCP W external router Inverter 1 Auto IP DHCP Inverter 2 Auto IP DHCP Inverter 3
26. the yellow DC LED goes out and the green AC LED lights up The device is operationally ready but the input voltage is less than 100 V OR The device is switched off Fault LED lights up A fault has occurred Remedial measures or flashes red can be found in chapter 8 6 OR DC LED flashes yellow No LED is lit Table 16 LED indicators in operation 8 3 Determining the operating status display The operating statuses are shown on the display Display Explanation Off nput voltage on the DC side photovoltaic modules is too low Idle Electronics are ready for operation DC voltage is still too low for feed in Start nternal control measurements according to VDE 0126 Feed in MPP easurement successful MPP control MPP maximum power point active Feed in regulated Feed in power has been regulated due to excessive device temperature Table 17 Operating statuses Installation and Operating Manual for PIKO Solar Inverter 51 8 Inverter operating characteristics 8 4 Displaying operating values and changing settings communication board l The user menu is activated through the round contact sensor on the right next to the display e Touch the contact sensor 3 The display illumination switches on The operating values are each displayed successively for three seconds To switch between the values more quickly touch the contact sensor gt The i
27. with your computer directly by cable through a network or through a web portal The basic settings and accessing options on the integrated web server are identical in all cases Note The inverter data are stored in the device only for a limited time approximately 100 or 400 days depend ing on the setting To save the data on a long term basis and be able to compare it you should register at a solar portal or save the data on your own computer 9 2 Logging into the web server e Switch on your computer e Only for dialling in via analogue or GSM modem Establish a dialling connection to the modem in the inverter e Open your Internet browser program Note Ensure that the proxy server for LAN connections has been deactivated You can find further instructions concerning network settings in the operating system manual for your computer e If your computer is connected to the inverter via an Ethernet network or via crossover cable enter an S into the address line of the browser followed by the serial number of the inverter see type plate for example http S12345FD323456 gt The log in window for the web server opens e f your computer is connected to the modem in the inverter via dial up connection enter the letters wr S in the browser s address line followed by the serial number of the inverter see type plate for example http wr S12345FD323456 gt The log in window for the web server opens Note Ins
28. 15 minute or 60 minute period between the saving procedures The internal memory can store the data for approximately 100 days if the 15 minute period is selected and for about 400 days with the 60 minute period The inverter data are only saved in the unit for a limited time When the internal memory is full the oldest data will be overwritten To save the data on a long term basis you can either transfer the data to a solar portal or download them to a computer e Select the desired saving interval e Click on Accept to save the settings Setting the switch output function e Select from the following options SO pulse Alarm output Internal consumption see section Setting the conditions for switching on devices internal con sumption Communications board Il on page 44 e Click on Accept to save the settings 43 7 Commissioning and de commissioning Setting the conditions for switching on devices internal consumption Communica tions board l Setting the conditions for switching on devices internal consumption Communica tions board Il Funktion Schaltausgang S0 Pulse SO AL Out Eigenverbrauch Leistungsgrenze 1100 Ww stabiles Uberschreiten der Grenze 45 Minuten Laufzeit 60 Minuten Abbildung 1 Setting conditions for internal consump tion Communications board Power limit This is the minimum power in watts that must be produced before the devic
29. 18 PASSWOFA za da Exc eR Rate ed 41 47 60 Proper USE LL 5 Proxy Server s sso xaxd x PER ESTERA 59 Putting into operation LL 41 R Reactive power control i 12 Ripple control receiver 45 RITI SOCKET iiie duet ire Rx eh etn 25 32 RU4S SOCKET ie eats ka bea kee beans 25 31 Router external 46 RS485 adco ia hate a deat 36 40 43 S SO Ifiterface e etos vea RAS 34 38 43 Safety instructions LL 8 Saving Interval isa hs sob pk ae wa ed 43 Scope of delivery 0 0 0 14 SEAlING CAD ssa rebel EE E RYE ERES 17 neca PC PT 35 39 OEI s rca E xc RR RUP RU 51 52 Solar portal 27 33 48 59 62 Spring loaded terminal strips 17 OAJO Ao nde perd RR GR ee UR E o RR a 6 Switch output 6 6 2 ees 34 38 43 Switching Off use xs rea ck iiis tirit RR eee Ra 49 T Technical data RUE RR ew a 63 Telephone cable 25 32 Tipe plate zs re Ba n Ana 66 U User MENU sica a A aaa a 52 User name scia leone Qo go itis 41 60 V Visualisation software 59 61 W Wall MOUNT oras a Bie otek Ade 16 Warranty rissa sila i ai awe Be aa 66 Web Server i 59 CINE C 64 Installation and Operating Manual for PIKO Solar Inverter 67 KOS UAL KOSTAL Solar Electric GmbH Hanferstr 6 79108 Freiburg i Br Deutschland Telefon 49 761 477 44 100 Fax 49 761 477 44 111 KOSTAL Solar Electric Ib rica S L Edificio abm Ronda Narciso Monturiol y Estarriol 3 Torre B despachos 2 y 3 Parq
30. 485 network in addition to the inverters e g a display the number of inverters which can be connected and the maximum cable lengths may be limited e For the connection activate the bus prestress in the user menu of the first inverter and the bus termina tion in the user menu of the first and last inverters Note If you have the necessary expertise you can connect the inverter to a serial interface RS232 or USB of your computer via a signal level converter For this type of connection however only the current performance data can be accessed The integrated web server and the stored log data are not available e Connect the lines to the terminal 4 in figure 63 according to the terminal assignment table 7 6 10 Closing the housing e Fasten all cables with a cable tie to the recesses in the protective plate Make sure that all cables run directly over the protective plate and do not project laterally over the protective plate Te l o LA 5s Ex PES Ge Fig 66 Fastening cable to protective plate e Screw all union nuts together with sealing ring tightly onto the cable screw connection Recommended tightening torques 1 5 Nm M12 and 8 Nm M25 e Check whether all lines are securely connected and cannot become loose e Remove any foreig
31. 68 1 1 e Enter the PIN number on the Settings page in the GSM PIN field settings ver 3 70 S no 9035311110001 item number 10017250 language English name Namenlos RS485 inverter address 255 1 220 data acquisition all 15 minutes switched output function S0 puse E SO AL Out internal consumption powerlimit r100 W stable positive deviation from the limita minutes run time B minutes function of analogue inputs sensors El network Auto IP DHCP manual network configuration inverter IP uam ps fies n subnet mask pss ss es Jo F external router must be placed in same subnet router address s fies fi pm DNS address f ess p 203 public line L only for analog modem and PBX GSM PIN F new login passwora repeat 7 Portal Code i data export Portal accept Fig 36 Settings page Communications board e Launch the GSM Link software 26 Installation and Operating Manual for PIKO Solar Inverter This programm configures the Internet access for your PIKO inverter Inverter Host IP address http e g 081230001 or s903421E100001 or 192 168 1 1 Bus address 255 GSM Accesspoint APN Username empty if none Password empty if none Please use the information provided by your GSM mobile network provider Write new settings Fig 37 GSM Link Enter the serial number or IP
32. O interface Table 15 Info page Installation and Operating Manual for PIKO Solar Inverter 47 7 Commissioning and de commissioning e Check whether the modem has been detected ana logue modem or whether adequate reception quality at least two bars is displayed GSM modem modem status analogue modem recognised modem status GSM signal strength II Fig 80 Modem status e When the reception quality is too low try another location for the GSM antenna Please note that the reception quality also depends upon weather conditions Note Reception quality which is inadequate can lead to connection problems and to the GSM modem dial ling into the net too often Depending on the price model of the GSM contract this can result in increased costs e Click on Back to home page to display the home page again 7 2 4 Activating data transfer to a solar portal The factory default setting does not include a solar portal To use a solar portal you will need a portal code Only the name of one solar portal will be displayed It is not possible to use several portals at the same time e Open the web server s Settings page see illustration 50 48 e Enter the code for the intended solar portal in the Portal Code field The portal code for the Piko Solar Portal www piko solar portal de is P3421 The portal code for safer Sun www meteocontrol com is P202L e Click on adopt to save t
33. PIKO Screws Cover Display Housing Plug in connector or cable openings to connect the solar modules 6 DC load break switch 7 Cable openings for optional communication 8 Opening for the mains cable O1 amp C5 o x PIKO solar inverters are powerful and transformer less string inverters The inverters convert DC current gen erated by the photovoltaic modules into symmetric single phase PIKO 3 0 3 6 or 3 phase PIKO 4 2 5 5 7 0 8 3 10 1 AC current and feeds this into the public mains grid Power generation independent of the public grid island operation is not possible Fig 3 Display PIKO 8 0 3 6 4 2 5 5 with communica tion board Installation and Operating Manual for PIKO Solar Inverter 5 Unit and system description Through three phase technology PIKO 4 2 5 5 7 0 8 3 10 1 combine the stability and durability of large central inverters with the flexibility and high efficiency of transformer less string inverters The single phase inverters PIKO 3 0 3 6 use the mod ern and fail safe phase shifting procedure to monitor the grid To improve efficiency PIKO 4 2 5 5 7 0 8 3 10 1 use only one or two phases with a limited power input less than 10 percent of the rated power for feeding current into the grid The device selects the phase on a random basis each time The PIKO inverters are fitted with an integrated DC load break switch No external break switch is therefore required unless spe
34. XXXABCXXXX 16 Fig 95 Type plate example 1 Name and address of manufacturer 2 Device type 3 MPP control range 4 Number of feed in phases 5 Maximum AC power 6 Deviating power with national setting 3 6 ES PT 3 300W 4 2 UK 4 000W PT1 3 680W PT2 3 450W 5 5 ES PT 5 000W 7 0 DK 6 000W 7 Protection type and ambient temperature range 8 Requirements conforming to those of the built in grid monitoring 9 Maximum input voltage DC 10 Maximum DC input current 11 Output voltage nominal 12 Maximum output current AC 13 Item number 14 Serial number 15 Version number of hardware firmware parameter set and user interface of the device 16 Removable guarantee label 10 4 Warranty and service information Information on the warranty can be found in the warranty conditions which are included separately Do you have any technical questions regarding your inverter Our hotline 49 0 761 477 44 222 is on hand to assist For service information and a possible shipment of parts we require your device type and the serial number You will find this information on the type plate on the exterior of the housing If parts are required use only genuine replacement parts 66 Installation and Operating Manual for PIKO Solar Inverter Index A AC cable cross section 0000 cree ee 17 Active power control 12 35 39 45 Alarm OLDUN 235 22 wx SUR pac at gd 34 38 43 nul 6 kui ee bh
35. age may be too low When the tests have been successfully completed the green LED lights up and the inverter begins feeding in current to the grid If the green LED does not light up the input voltage or the power may be too low or a fault has occurred see the chapter Fault correction Note With a limited input power PIKO 4 2 5 5 7 0 8 3 10 1 use only one or two phases for feeding current into the grid The device selects the phase on a random basis each time Setting the language e f desired set the display to a different language see chapter 8 4 7 2 Setting up communication and accessories Perform the remaining setup using the web server of the inverter Note You can change all settings which you make at any time and as often as you like with the exception of the country of use 7 2 4 Connecting to the web server of the inverter e Connect the inverter with a computer as described in chapter 6 6 or 6 7 e Set the Ethernet interface TCP IP protocol of the computer so that the IP address automatically obtains the DNS server address To alter this set ting administrator access rights may be required e Start your Internet browser and enter the letter S and the serial number of the inverter in the address bar for example http S12345FD323456 gt The log in window for the web server opens e Enter user name and password The factory defaults for user name and password are set as follows User na
36. ai Sanat x oe ee LL 45 C Cable uas Goda ERE REFUGE 17 22 25 Connecting SWINGS uen exa Ex Raids 18 Contact Sensor niche bbw da ER EY XR e 51 COGIING Lm 49 COUNTY OPUSE ores exe Y Y Cures 20 D Data retrieval doe ria RE ai 59 Data Saving sauri dee EUER eee eer ess 59 DC cable cross section LL 18 DACP Seno uns es FRAGILE EXER Ed xs 45 DIMENSIONS vx ra MEE ER S 64 DISPISY 4 passa Se Ka x RUE UR ea ad ah 41 Disposal us Gaia de Cha Ue X eee o 50 DynlNS ServIGe vs sex RR girer v E ERE 24 30 E EENET ues hee rm e IS RC 21 28 Ethernet cable LL 22 EventllSE savio ira add ea 57 F FEN iu insane eae Be e ROGA ar god a Rd RUBRO ON 50 Ban teSt cit ead psa cu DE mde A aide 52 Function of the inverter 5 9 G Grid monitoring ENS LL 20 GSM PIN nade nein eed wha ho e dne Tace geo 43 47 H FISIONY RT 60 als i r 5 66 I INPUS rea e Ran 11 Installing accessories o o ooooooooo o 34 38 Interfaces 25 31 34 35 38 64 Internal consumption 11 34 38 43 IP address s 14 a a septo den e Ro ced 45 L Language axes xe e ea ha as A 20 43 52 L C display s exec e es car us eee es 51 LED indicator lights ionic m ae 51 Line circuit breaker LL 18 Log data sie en MD ae ae 61 LOGAN spia de Lee 41 59 M Modem analogue GSM 47 N Network cable 21 22 28 Network settings 42 O Opening the housing LL 16 Operating statuses 0 0 eee 51 P Parallel connection LL
37. al router 1 Inverter with an integrated modem analogue or GSM Inverter 1 IP address 192 168 1 2 2 Optional additional inverters without modem Inverter 2 IP address 192 168 1 8 3 Ethernet cable 4 Computer IP address 192 168 171 250 5 Telephone connection or mobile communications antenna 46 Fig 77 Communication board Network settings with manual network configuration for external DSL router subnet mask 255 255 255 0 M external router Inverter 1 IP address 192 168 1 2 Inverter 2 IP address 192 168 1 3 Inverter 3 IP address 192 168 1 4 etc Ethernet crossover cable DSL router IP address 192 168 1 1 Switch hub Computer IP address 192 168 1 250 NOUTA ONS Fig 78 Communication board Il Network settings with manual network configuration for external DSL router subnet mask 255 255 255 0 M external router Inverter 1 IP address 192 168 1 2 Inverter 2 IP address 192 168 1 3 Inverter 3 IP address 192 168 1 4 etc Ethernet cable DSL router IP address 192 168 1 1 Switch hub Computer IP address 192 168 1 250 NQOOaRKR Col gt Installation and Operating Manual for PIKO Solar Inverter Note The factory default setting of the DNS server address is 145 253 2 203 and it provides the alterna tive name resolution in the Internet Do not change this setting as the export of log data to a solar portal may otherwise not function anymor
38. ambient temperature and solar irradiation 2 with parallel connection of two MPP trackers 3 This inverter is available in two versions with or without arc recognition Installation and Operating Manual for PIKO Solar Inverter 63 10 Appendix PIKO 7 0 DCS 8 3 DCS 10 1 DCS 3 0 DCS 3 6 DCS 4 2 DCS 5 5 DCS Des Desi pesi esi AD ADJ AD basic Power requirements for night Inverter lt 1 W communication board lt 1 7 W operation Protection class Topology Transformer less Type of grid monitoring according to national certificate Reverse polarity protection Short circuit diodes on DC side Operator protection AFI and ground monitoring Conditions of usage inside outside IP 55 protection type according to IEC 60529 Ambient temperature 20 60 C Air humidity 0 95 Cooling principle regulated fans Communication interfaces Ethernet RJ45 2x for communication board 2 incl integrated switch RS485 SO 4x analogue inputs Max noise lt 33 dB A Fan 25 33 dB A Fan 5096 41 dB A Fan 75 100 46 dB A Connection technology at MC 4 input side Connection technology at Spring loaded terminal strip output side Dimensions W x D x H 420 x 211 x 350mm 520 x 230 x 450 mm Weight approx 19 8 kg 20 kg 20 5 kg 21 1 kg 83 kg 33 kg 34 kg Disconnection device electronic isolation switch integrated Tab
39. an une ven load unbalanced load in the grid The maximum permitted unbalanced load measured between the phases is 4 6 kVA Note This rule only needs to be observed when using the single phase PIKO inverter Only one P KO 3 0 or only PIKO 3 6 may be connected to a phase You can get further information on this from our service hotline 49 0 761 477 44 222 Installation and Operating Manual for PIKO Solar Inverter 13 6 Installation Scope of delivery The packaging contains 1 inverter 7 1 wall mount not for replacement devices 2 1 GD containing operating instructions 3 1 poly bag with 2 sealing caps 3 pole 5 pole for sealing the AC terminal with lead mandatory in Italy 4 Installation accessories 4 Screws DIN 571 A2 6x45 4 screw anchors with a diameter of 8 mm and length of 40 mm 1 tapping screw DIN 7516 form A galvanised M4x10 5 2 wire jumpers for parallel connection not possible on all units 6 Plug seals for the screw connection for the network cable 7 2 insulating caps 8 Poly bag each with number of poly bags corresponding to string inputs 2 counterparts for plug in connectors 9 1 x plug 1 x socket 6 Installation N DANGER Risk of death due to electrical shock When performing any work on the inverter and feed cables Switch off the voltage on the AC and DC sides of the unit Secure the voltage supply from being unintentio
40. be placed in same subnet router address 192 168 1 254 DNS address 145 253 2 203 public line only for analog modem and PBX GSM PIN P new login password repeat Portal Code data export IM Portal accept Fig 71 Settings page Communications board Setting Explanation S no Inverter serial number Item number Item number of the inverter Language Selection of the language for the web display Name Allocation of a name to the inverter RS485 inverter bus address Unit address for the RS485 interface Data acquisition Choose between a saving interval of 15 or 60 minutes Switch output function Three settings possibilities S0 pulse Alarm output Internal consumption Function of ana Two setting possibilities logue inputs Sensors Active power control connection of a ripple control signal receiver Network Configuration of the inverter network interface Ethernet Table 11 Web server settings 42 Installation and Operating Manual for PIKO Solar Inverter Setting Explanation Public line Only required when using an analogue modem optional accessory and an analogue telephone system GSM PIN PIN for the GSM modem SIM card For further information on configuration and installation of the GSM modem see chapter 6 7 Newlog in pass Change of password word Portal code Entry field for the portal code for
41. block DC2 and insulate the free cable ends using the caps supplied e PIKO 3 6 4 2 7 0 8 3 10 1 If required now con nect inputs 1 and 2 in parallel Insert the bridges supplied into the clamps as shown figure 20 21 Note Please note that a parallel connection is not pos sible with PIKO 5 5 Fig 20 Inputs 1 and 2 connected in parallel PIKO 3 6 4 2 1 DC bridges 2 PvVstring 1 3 PV string 2 Installation and Operating Manual for PIKO Solar Inverter 19 6 Installation Fig 21 Inputs 1 and 2 connected in parallel PIKO 7 0 8 3 10 1 1 DC bridges 2 PVstring 1 3 PV string 2 e Leave the plug seals on the plug in connectors not in use to protect them from moisture and dirt 6 5 Setting the country of use Prior to initial commissioning the country in which the inverter is used must be specified This is necessary so that the grid monitoring functions appropriately for the local mains grid Once the AC voltage has been initially switched on the country setting is permanently set If the country setting is incorrect the inverter will not function In order to set the country of use consult the chapter corresponding to your communication board 6 5 1 Communication board Fig 22 DIP switch 1 DIP switch The country setting is made via the DIP switch 1 on the communica
42. changing the solar portal displayed under data export Data export Activation of data transfer to the solar portal displayed M or deactivation 1 Table 11 Web server settings Forts Changing the language You can select a different language for the web server from the drop down list e Select the intended language e Click on Accept to save the settings Changing the name You can assign a name of your own choosing to the inverter When connecting the browser to the web server you can then use the name instead of the serial number Access with the serial number remains possi ble e Type in the name you have chosen The letters a z A Z and numbers 0 9 are all permitted Diacritics spaces or special characters are not permitted e Click on Accept to save the settings Note Make a note of the new name for the inverter The name is also shown in the display of the inverter in the submenu Settings Configuring the RS485 address If you have linked two or more inverters via RS485 you must set the RS485 addresses of the inverter so that each address is unique e Enter the desired address in the field Inverter bus RS485 address e Click on Accept to save the settings Installation and Operating Manual for PIKO Solar Inverter 7 Commissioning and de commissioning Changing the data capture saving interval When selecting the saving interval you have the option of a
43. cified by local country laws exam ple France The solar modules are connected to the inverter via plug in connectors The PIKO inverters are available in various output sizes see table 22 page 63 and offer you maximum flexibil ity in configuring your solar energy system This is achieved through a broad DC input voltage range independent MPP regulators for each input which ena ble the connection of solar modules in various combi nations alignment inclination quantity type In order to conveniently display the yields and production data of your photovoltaic system the inverter has an inte grated web server see chapter 7 2 1 Note The inverter is available in two series small series PIKO 3 0 3 6 4 2 5 5 large series PIKO 7 0 8 3 10 1 The small series is equipped with the communication board and the large series with the communication board Il The series have different displays see Fig 3 and Fig 4 Fig 4 Display PIKO 7 0 8 3 10 1 with communication board Il 5 Unit and system description Arc recognition Arcs can occur in a PV system These arcs can cause damage The inverters PIKO 7 0 AD 8 3 AD 10 1 AD are equipped with arc recognition Arc types There are two kinds of arcs Serial arcs Parallel arcs Serial arcs occur on damaged DC lines or at loose con tact points These arcs occur more often in PV systems than parallel arcs Parallel arcs can occur between the plus a
44. crewdriver or similar implement Detach the sealing ring from the blind plug 16 Installation and Operating Manual for PIKO Solar Inverter 6 Installation Fig 11 Pressing the blind plug out of the sealing ring 1 Blind plug 2 Sealing ring We recommend a mains cable of type NYM J 5x2 5 for single phase connection NYM J 3x2 5 The outer diameter of the cable can be 9 17 mm the cross section of the individual conductors can be a max of 4 mm for flexible cables and a max of 6 mm for rigid cables The three phase feed in to the mains means that the currents are lower than single phase feed in allowing the cable cross section to be smaller For flex ible cables we recommend using core end sleeves e Remove the sheath and the insulation of the mains cable as much as needed e First thread the unscrewed union nut 4 in illustration 12 and then the sealing ring 3 in illustration 12 over the cable e Guide the mains cable through the cable duct into the interior of the inverter e Thread the sealing cap illustration 13 over the mains cable The sealing cap is mandatory in Italy Fig 12 Laying the mains cable AC terminal 5 pole for PIKO 3 0 3 6 3 pole Mains cable Sealing ring Union nut A005 ms L1 L2 L3 N PE O A Fig 13 Sealing cap for AC terminal Note To connect the AC and DC cables the inverter is equipped w
45. ct them both with a crossover cable and equip one of the two with a modem There is then no need for a switch or hub The additional connection to a computer or a DSL router is not an option in this case 6 Installation Fig 28 Connecting two inverters with a crossover cable transferring data via modem Inverter without modem Inverter with an integrated modem analogue or GSM Crossover cable Telephone connection box or mobile communications antenna depending on the modem being used NGN Version b with two or more inverters To transfer data from several inverters to a solar portal via modem first connect the inverter to a switch hub via an Ethernet cable You will only need one modem the inverter with the modem then assumes the function of a router for the other inverters The number of network connectable inverters is in prin ciple only limited by the available IP addresses In prac tice for data transfers via GSM or analogue modem a max of 30 inverters can be networked for data trans fers via DSL a max of 300 inverters can be networked Fig 29 Connecting several inverters through the Ethernet and transferring data via modem Inverter with an integrated modem analogue or GSM Additional inverters without a modem max 29 Ethernet cable Switch hub Computer for configuration and if applicable direct retrieval Telephone connection box or mobile communications antenna
46. d cable insulation incorrectly connected plug in connectors or moisture Check insulation resistance 1kOhm V min 500 kOhm Insulation error red and yellow LEDs light up 400 401 System Insulation error The insulation resistance is too low Check system at the module side for damaged insulation false plug connections dampness and damage in the module insu lation Check insulation resistance 1kOhm V min 500 kOhm Arc fault red LED lights yellow LED blinks and a signal tone is heard After each arc error be absolutely sure to inspect the entire installation of the PV system for damage that could indicate an arc Inform your installer where appropriate 501 System Parallel arc on string 1 Arc 502 System Parallel arc on string 2 Arc 503 System Parallel arc on string 3 Arc 504 System Serial arc on string 1 Arc 505 System Serial arc on string 2 Arc 506 System Serial arc on string 3 Arc Excess temperature green LED flashes 601 615 Fault Unit has become too hot The Excess inverter has derated or temporarily temperature Switched off the power Wait until the device has cooled down The installation site is possibly not perfect and the inverter is not receiving enough cooling air The inverter should not be exposed to direct sunlight where possible Check fans for dirt and clean if necessary System fault red and yellow LEDs flash 800 999
47. d inappropriate The manufacturer accepts no liability for any damage result ing from this Modifications to the inverter are prohib ited The inverter may only be used if safe to operate and in technically perfect condition Any instance of misuse will cause the termination of the warranty guar antee and general liability of the manufacturer Only a qualified electrician may open the unit The inverter must be installed by an electrician who is responsible for observing the applicable norms and regulations Work that could affect the electrical power system of the respective utility company at the site of the solar energy feed in may only be carried out by qualified electricians expressly authorised licensed by the utility company This includes changes to the factory preset parame ters The installer must always observe the regulations of the utility company The utility company s specifica tions must always be observed when setting the parameters since otherwise the ENS grid monitoring will no longer function correctly 2 Proper use Transport and storage The function if the inverter has been tested and it has been carefully packed prior to delivery Upon delivery check that the delivery is complete and check for any possible transport damage Complaints and damage claims are to be directly addressed to the shipping company ATTENTION Risk of damage when the inverter is placed on its underside e Always place the i
48. d may be damaged by electrostatic discharge e Touch a grounded point for example the holder for the housing screw connection on the bottom right before touching the circuit board Overview of the accessory interfaces Fig 61 Communication board Il connections 1 Switch output SO AI OUT 2 Terminal for analogue interfaces 3 RS485 interface Connect switch output SO AI OUT The switch output SO AI OUT can be occupied with the following functions SO interface Alarm output Switching of devices internal consumption SO interface The switch output functions as a pulse output as described in DIN EN 62058 31 with a con stant rate of 2000 pulses per kilowatt hour Using a suitable receiver device such as an energy meter or a display you can record and display the energy yield of your photovoltaic system Alarm output The switch output functions as a potential free NC contact It opens when a malfunction occurs See Faults on page 56 Internal consumption The switch output functions as a potential free NO contact It closes when the set con ditions are fulfilled see section Setting the conditions for switching on devices internal consumption Com munications board ll on page 44 For more information refer also to the text and image in section Internal consumption on page 11 Max load 100 mA Max voltage 250 V AC or DC Connections Neutral polarity Tab
49. depending on the modem being used O1 amp C5 I0 a O Installation and Operating Manual for PIKO Solar Inverter 23 6 Installation Situation 4 Remote retrieval of yield data You can also connect to the inverter remotely instead of through a local network This may possibly involve additional connection costs Similar to situation 3 the inverter must either a be connected to a DSL router or b have a modem analogue or GSM installed Version a Inverter with DSL connection to the Internet To ensure the inverter can actually be accessed via the Internet several requirements must be met The inverter must have a fixed IP address in the local network Port forwarding must be configured to the inverter IP address in the router The router must be assigned a fixed IP address by the Internet provider or you must register the router with a DynDNS service to connect the dynamic router IP address with a fixed name The inverter can then be accessed over the Internet under the domain name provided by the DynDNS service and you can connect to the inverter with any Internet browser see figure 30 Setting up a port forwarding and a DynDNS service can not be illustrated in detail here due to the vast number of different devices and services available Note DynDNS services can also be found under the designation Dynamic DNS and DNS Host Service In order that the router can be reached under the selected d
50. e e Activate the setting manual network configuration if you wish to assign a fixed IP address Enter the IP address and subnet mask Note The changed settings take effect immediately upon clicking Accept Your inputs may have the consequence that the inverter is no longer accessible through the current connection e Click on Accept to save the settings e fthe inverter is to use an external router to send data to a solar portal activate the option external router and enter the IP address of the router e Click on Accept to save the settings Entering the public line number for analogue modems only e f applicable enter the public line number e Click on Accept to save the settings Entering the PIN code for GSM modems only You must enter the PIN code that you received from your mobile phone provider in the configuration of the inverter before you install the GSM modem with the SIM card e Enter the PIN code of the GSM card e Click on Accept to save the settings Note If you subsequently change your mobile phone provider first enter the new GSM PIN in the web server of the inverter and then replace the SIM card in the GSM modem Changing the password You can change the preset log in password on the integrated web server e Type in the intended password The letters a z A Z and numbers 0 9 are all permitted Diacritics spaces or special characters are not permitt
51. e DC strings one after another via the external DC isolator Fig 84 DC load break switch ON e Switch on the grid voltage via the line circuit breaker 7 6 Disassembly and disposal To disassemble the inverter proceed as follows A DANGER Risk of death due to electrical shock There are deadly voltages in the inverter during operation e Switch off the unit completely DC side and AC side before all work Wait at least five minutes after switching off until the capacitors have discharged e Switch off the inverter as described in chapter 7 4 e Open the cover of the inverter Loosen the terminals and cable screw connections and remove all DC and AC cables e Close the cover of the inverter Loosen the screw on the underside of the inverter and lift the inverter off the wall mount e Disassemble the wall mount Disposal Dispose of the inverter properly and in accordance with the applicable regulations The box of the inverter is made of cardboard and can be recycled as paper Plastic parts and the packaging sack can be sorted to plastic recycling 50 Installation and Operating Manual for PIKO Solar Inverter 8 Inverter operating characteristics The inverter will work automatically after commission ing meaning that regular operation is not necessary As soon as the photovoltaic module generates suffi cient current the inverter begins feeding into the mains 8 1 Display field The inverter indicat
52. e contact sensor for several seconds Activating fan test e Go to the Settings submenu and select the Start fan test menu item e To start the fan test place your finger on the contact sensor for several seconds Note The fan test is only possible during feed in to the mains grid If grid feed in is not taking place the message Not possible no DC power appears e Note the running sounds of the fan If the fan is not running or running sluggishly it may need to be cleaned or repaired For further information see chapter 7 5 8 5 Displaying operating values and changing settings communication board Il 8 5 1 Call up main menu and navigate In order to deactivate the screensaver and call up the main menu e Press any key The background lighting of the display lights up e Press the key once again The screensaver disappears and the main menu appears 52 Installation and Operating Manual for PIKO Solar Inverter 8 Inverter operating characteristics Fig 88 Main menu 1 DC menu 2 Settings menu 3 AC menu Inthe DC menu you can call up information about the DC input page see DC menu on page 53 n the AC menu you can view current performance data of the AC output page see AC menu on page 54 n the Settings menu you can configure the inverter see Settings menu on page 55 In order to call up a menu e
53. e is Switched on You can enter any value from 1 watt to 999 000 watts Stable exceeding of the limit his is the period in minutes during which the inverter must produce at least the power set in the power limit field before the device is switched on You can enter any value from 1 minute to 720 minutes 12 hours The connected device is switched on for this period in minutes when both the above con ditions have been met You can enter any value from 1 minute to 1440 minutes 24 hours Run time When the inverter turns off the term ends The run time is ended and not continued again if the inverter has not produced any current for three hours Table 12 Internal consumption function 1 Switched output function SO pulse E SO AL Out internal consumption function 1 power limit 1100 w stable positive deviation from the limit as minutes run time 60 minutes activabon 99 number day function 2 activation limit oo w deacbvation mit 100 Ww F delay in drop in output fault E minutes Fig 72 Setting conditions for internal consumption Communications board ll e Choose between functions 1 or 2 and enter values function 1 Power limit This is the minimum power in watts that must be produced before the device is Switched on You can enter any value from 1 watt to 999 000 watts Stable exceeding This is the period in minutes during w
54. e new settings e Switch the inverter off for at least 5 minutes e Slide the SIM card into the card holder on the underside of the modem e Carefully attach GSM modem to circuit board The uppermost plug pin must be inserted into the uppermost hole in the multipoint connector Fig 52 Installing the modem e Insert the plug of the radio antenna into the GSM modem e Install the radio antenna where it will have the best possible reception 6 Installation Note The reception quality will be displayed on the web server info page after starting up See section Checking sensors and modem in chapter 7 2 e Switch the inverter on again and wait at least 2 minutes nthe Internet browser enter the serial number inverter name or IP address in the address line to go to the inverter s web server e Check the current modem status on the Info page info page 1 analogue input 0 00V 2 analogue input 0 00V 3 analogue input 0 00V 4 analogue input 0 00V modem status no modem last portal connection no of SO In pulses O 115 minutes Fig 53 Modem status e Ifthe Modem status GSM signal strength field is displaying at least two bars the connection is OK Activating data transfer to a solar portal The factory default setting does not include a solar portal To use a solar portal you will need a portal code Only the name of one solar portal will be displayed It is not p
55. ed Only connect double insulated cables to the inverter ATTENTION The communication board may be damaged by electrostatic discharge e Touch a grounded point for example the holder for the housing screw connection on the bottom right before touching the circuit board Overview of the communications interfaces In terms of communication options four different situa tions are taken into account 1 Inverter configuration 2 Direct retrieval of the current yield value and or saved log data 3 Transferring the yield data to an solar portal 4 Remote retrieval of the current yield value and or saved log data Situation 1 Configuring the inverter All communication settings for example activation of data transfer to a solar portal are made via the inte grated web server To access the configuration on the web server you will need a computer which must be connected to the inverter The inverter is equipped with an Ethernet interface RJ45 socket for this purpose The computer must also be equipped with this type of interface The oper ating system is irrelevant An Internet browser must be installed on the computer You can then connect the inverter and computer either a via a local network switch and Ethernet cable see figure 24 or b directly via a so called crossover cable see figure 25 Version a is the best option when a local network is already available Several inverters can also be con
56. ed e Type the password into the Repeat field again e Click on Accept to save the settings 7 Commissioning and de commissioning Note Your old password becomes invalid immediately after the password change You should therefore note the password as a precaution Forgotten the password Our customer service is on hand to assist Note The user name cannot be changed 7 2 8 Checking sensors and modem e Onthe main page of the web server click on the link Info page The Info page window then opens info page 1 analogue input 0 00V 2 analogue input 0 00V 3 analogue input 0 00V 4 analogue input 0 00V modem status no modem last portal connection no of SO In pulses O 715 minutes Fig 79 Info page Entry Explanation x analogue Shows the voltage which is currently available input on the analogue input x Modem status Shows the modem status When the analogue modem is connected correctly Analogue modem detected is displayed When the GSM modem is connected cor rectly the GSM signal strength is displayed When the modem is connected incorrectly or not available Modem not available is dis played Last portal Displays how many minutes ago the inverter last connection transferred data to the solar portal when the function is active No of energy Displays the number of energy pulses per time pulses unit occurring at the S
57. ernet crossover cable into one of the corresponding sockets 5 in figure 48 Installing analogue modem Prerequisite for usage of the analogue modem is an analogue telephone connection Using a modem involves additional costs Details can be obtained from telecommunications providers e Carefully attach modem to circuit board The upper most plug pin on the left must be inserted into the uppermost hole in the multipoint connector Installation and Operating Manual for PIKO Solar Inverter 31 6 Installation Fig 49 Installing the modem e Connect the telephone cable see the following section Connecting the telephone cable The RJ11 socket is used to connect the inverter to an analogue telephone jack or to an ISDN line with a termi nal adapter To use the RJ11 interface you will require a modem available as an accessory Insert the plug of the telephone cable into the corre sponding socket 2 figure 48 Installing GSM modem In order to use the GSM modem you will need a SIM data card with a contract with a mobile phone provider The GSM Link software leaves you free to select your mobile phone provider Using a modem involves addi tional costs Details can be obtained from telecommu nications providers Not every mobile phone tariff is suitable for use with an inverter Before purchasing the SIM data card discuss the following points with your mobile phone provider and obtain all the access
58. error KOS TAL Installation and Operating Manual PIKO Inverter B02 6 22 sss reor eser 101 Software version above FW 4 00 LEGAL NOTICE KOSTAL Solar Electric GmbH Hanferstrasse 6 79108 Freiburg i Br Germany Tel 49 761 477 44 100 Fax 49 761 477 44 111 www kostal solar electric com Exclusion of liability All names of usage trade names product names or other designations given in this manual may also be legally protected even without special labelling e g as a trademark KOSTAL Solar Electric GmbH accepts no liability and gives no assurance that they can be freely used The illustrations and texts have been compiled with great care However the possibility of errors cannot be ruled out The compilation is made without any guarantee General note on non sexist language KOSTAL Solar Electric GmbHis aware of the importance of language with regard to the equality of women and men and always makes an effort to reflect this in the documentation Nevertheless for the sake of readability we are unable to use non gender specific terms throughout and have used the masculine form as a rule 2012 KOSTAL Solar Electric GmbH All rights reserved by KOSTAL Solar Electric GmbH including those of reproduction by photocopy and storage in electronic media Commercial use or distribution of the texts displayed models diagrams and photographs appearing in this product is not permitted The manual may not be reproduced
59. es the respective operating status through three LEDs and an LC display You can also query operating values and enter settings on the display Fig 85 Display on the inverter Communication board 1 Fault LED red 2 DC LED yellow 3 AC LED green 4 Contact sensor 5 LC display Fig 86 Display on the inverter Communication board Il Fault LED red DC LED yellow AC LED green UP arrow key DOWN arrow key Enter key LC display NOOR OM gt 8 Inverter operating characteristics Note The contact sensor responds to the touch of a finger Do not press the contact sensor forcefully Note When a few minutes pass in which you press no key on communication board Il the display automatically shows the screensaver with the inverter designation 8 2 Determine the operating status operating LEDs The LEDs on the front of the device indicate the current operating status LED Explanation AC LED lit green The green LED signals that the inverter is in feed in mode if the output voltage of the photovoltaic module is more than 180 V The yellow LED signalises the active status of the inverter control system It lights as soon as the output voltage of the photovoltaic modules exceeds 100 V When the output voltage falls below 100 V the yellow light goes out DC LED lit yellow Once energy is being fed into the mains grid
60. escribed under situation 1 Alternatively you can connect the inverters to each other via the RS485 interface and then only need to connect one of the inverters via Ethernet figure 27 With this type of connection the web server of the inverter connected via the Ethernet also displays the current output data of the other inverters However the web server and the stored log data are only available for the inverter connected via Ethernet Fig 27 Connecting inverters via the RS485 and retrieving performance data via Ethernet 1 Inverter 2 Additional inverters max 200 depending on cable length 3 RS485 connection 4 Crossover cable 5 Computer Situation 3 Data transfer to a solar portal The inverter can send yield data to an Internet solar portal at regular intervals 22 Installation and Operating Manual for PIKO Solar Inverter To do so a the inverter must be connected to a DSL router or to a network with Internet access or b the inverter must have an integrated analogue modem or wireless modem GSM available as an accessory Version a requires a DSL connection If your inverter is located close to where you already have a DSL con nection you can use the available connection for trans mission Note If the inverters are connected to the Internet by DSL router in the local network both direct retrieval of the log data as well as transmission of the log data of all connected inverters is
61. eviation from the limit 25 minutes runtime eo minutes activation 99 number day function 2 activation limit 200 w deactivation limit 100 w F delay in drop in output fault minutes function of analogue inputs sensors xl network Auto IP DHCP manual network configuration eee OR subnet mask fess ess fas p F extemal router must be placed in same subnet public line 0 only for analog modem and PBX GSMPIN F new login password repeat Pota Code TT data export Portal router address DNS address Loccept Fig 50 Settings page Communicationsboard II 32 Installation and Operating Manual for PIKO Solar Inverter e Launch the GSM Link software This programm configures the Internet access for your PIKO inverter Inverter Host IP address http e 9 5081230001 or s903421E 100001 or 192 168 1 1 Bus address 255 GSM Accesspoint APN Username empty if none Password empty if none Please use the information provided by your GSM mobile network provider Write new settings Fig 51 GSM Link e Enter the serial number or IP address of the inverter in the Host IP address field note enter the letter S and the inverter s serial number for example http S12345FD323456 e n the GSM area enter the data APN user name and password of the SIM card in the corresponding fields and confirm by selecting Writ
62. gth field is displaying at least two bars the connection is OK Activating data transfer to a solar portal The factory default setting does not include a solar portal To use a solar portal you will need a portal code Only the name of one solar portal will be displayed It is not possible to use several portals at the same time e Open the web server s Settings page see illustration 36 e Enter the code for the intended solar portal in the Portal Code field The portal code for the PIKO Solar Portal www piko solar portal de is P3421 The portal code for safer Sun www meteocontrol com is P202L e Click on adopt to save the settings The name of the solar portal will appear on the page The box M next to the portal name was activated automatically Data transfer is now activated Note To end the data transfer see chapter 9 5 page 62 e Check that the connection is OK e Enter the words go online in the Portal Code field e Confirm by clicking on adopt e Open the Info page If a value in minutes is stated in the last connection to portal field there is a connection to the solar portal Installation and Operating Manual for PIKO Solar Inverter 27 6 Installation You can then register on the solar portal and use the inverter to create a system and or add the inverter to this system Note An inverter first has to log onto the portal go online before it can be as
63. he settings The name of the solar portal will appear on the page The box M next to the portal name was activated automatically 3 Data transfer is now activated Installation and Operating Manual for PIKO Solar Inverter 7 25 Disconnecting e Close the browser window to disconnect from the web server of the inverter 7 3 Handover to the operator After successful installation and commissioning give the inverter and this manual to the user Advise the operator about the following points e The position and function of the DC load break switch or the external DC isolator and the AC line circuit breaker e Safety when handling the device e Appropriate procedure when checking and servicing the unit e Meaning of the LEDs and the display messages e Contact person in the event of a fault 7 4 Switching the inverter off decommissioning For maintenance work and repairs the inverter must be Switched off It is not necessary to switch the converter off during normal operation e Turn the DC load break switch to OFF figure 81 or Switch off the solar generator via the external DC isolator No more DC input current is fed to the inverter and it ends the feed in operation OFF gum Fig 81 DC load break switch OFF In the event that you wish to perform work on the inverter or cables you must completely de energise the inverter Disconnect the plug in connectors by pushing the engaging clips
64. hich of the limit the inverter must produce at least the power set in the power limit field before the device is switched on You can enter any value from 1 minute to 720 minutes 12 hours The connected device is switched on for this period in minutes when both the above con ditions have been met You can enter any value from 1 minute to 1440 minutes 24 hours Run time When the inverter turns off the term ends The run time is ended and not continued again if the inverter has not produced any current for three hours The number indicates how often internal consumption is activated each day Activation Table 13 Internal consumption function 1 function 2 Activation limit This is the minimum power in watts that must be produced before the device is Switched on You can enter any value from 1 watt to 999 000 watts Deactivation limit The device is switched off when the power generated falls below this value Table 14 Internal consumption function 2 Delay during fault drop in output Short term interruptions or drops in output can occur during operation In order that these events do not result in the disconnection of the device a delay time 44 Installation and Operating Manual for PIKO Solar Inverter can be set Following the set period the inverter shuts the device off in the vent of en enduring fault or drop in output e Click on Accept to save
65. hich must be connected to the inverter The inverter is equipped with two Ethernet interfaces RJ45 sockets for this purpose The computer must also be equipped with this type of interface The oper ating system is irrelevant An Internet browser must be installed on the computer You can then connect the inverter and computer either a directly via an Ethernet cable see illustration 41 or b via a local network switch and Ethernet cable see figure 42 Version a is the best option when no switch is available Version b is the best option when a local network is already available Several inverters can also be con nected in the network figure 40 Fig 40 Multiple inverters in the network Inverter Additional inverters Ethernet cable Computer for configuration or data retrieval ROM Fig 41 Connecting inverter and computer with Ethernet cable 1 Inverter 2 Ethernet crossover cable 3 Computer for configuration or data retrieval 28 Installation and Operating Manual for PIKO Solar Inverter Fig 42 Connecting inverter and computer with Ethernet cables and switch Inverter Ethernet crossover cable Switch hub Computer for configuration or data retrieval KOM ms Situation 2 Direct retrieval of the yield data The retrieval of the current yield data as well as the stored inverter log data is also only possible using a computer The units are cabled as de
66. imited input power PIKO 4 2 5 5 7 0 8 3 10 1 use only one or two phases for feeding current into the grid The device selects the phase on a random basis each time For the single phase feed in inverters PIKO 3 0 3 6 the value 0 zero is automatically entered for phases 2 and 3 Installation and Operating Manual for PIKO Solar Inverter 61 9 System monitoring Abbreviations AC alternating current designation for alternating current DC direct current designation for direct current U voltage in volts V current strength in milliamps mA P power in watts W E energy in kilowatt hours kWh F frequency in Hertz Hz R resistance in kiloohms kOhm T counting unit in points digits Aln counting unit in points digits Time details in seconds sec since the inverter was put into operation 9 5 End data transfer to a solar portal You can end an activated data transfer to a solar portal at any time e Open the setting page of the web server e Click the box next to the name of the portal to deactivate the data export to the solar portal 1 e Click Accept to apply and save the settings Note To activate the data transfer see chapter 7 2 4 page 48 62 Installation and Operating Manual for PIKO Solar Inverter 10 Appendix 10 1 Technical data 10 Appendix
67. in accordance with the recommendations of the plug in connectors manufacturer e Hand tighten the cable connections The tightening torque must match the DC cable Typical values are between 2 5 Nm and 3 Nm Inserting DC cables into the inverter Fig 17 DC inputs the number of inputs which can be used depends on the model 1 Plug in connector couplings DC input 1 2 Plug in connector couplings DC input 2 3 Blug in connector couplings DC input 3 e Check that the inverter is de energised e Set the DC load break switch to OFF OFF gum Fig 18 DC load break switch OFF e Remove the two plug seals from the plug in connectors Keep the plug seals e Insert the PV string plugs until they engage in the corresponding counterparts on the inverter figure 19 6 Installation Fig 19 Connecting the PV string e Pull on the plugs in order to ensure that they are properly engaged Note To disconnect the plug in connectors press the engaging clips together manually or with the tool avail able from the plug in connectors manufacturer and pull the plug out To connect additional strings repeat the above installation steps for each string Any additional plug in connectors needed are avail able from specialist shops e PIKO 3 6 4 2 If you connect DC input 1 and 2 in parallel remove the cable ends of the second DC input from the clamping
68. ional measured data enable a more precise monitoring of the photovoltaic System The sensors must have an output voltage of O 10 V factory setting An additional voltage supply may be required depending on the sensor Note When using the SO input the analogue inputs Aln3 and Aln4 are inactive Note If the inverter is intended for connecting a ripple control receiver you cannot connect sensors e Connect the lines to the terminal according to the terminal assignment figure 56 and table 7 6 Installation 1 2 3 4 A M eS e VODODOSVUOS o S S tETS 9 g lt qT lt J O RS485 Fig 56 Cable terminal 1 Voltage output 2 Analogue inputs 3 SO input energy pulse meter 4 RS485 Terminal Designation Description 1 RS485 A RS485 A 2 RS485 B RS485 B 3 GND Ground for R8485 4 SO In SO input energy pulse meter 5 Aln1 Inputs for analogue sensors 0 10 V or for ripple control 6 Aln2 receivers 7 Aln3 8 Aln4 9 AGND Ground for analogue inputs and SO input 10 45V 5 V output for external sensors not potential free max 10 mA or for ripple control receivers Table 7 Cable terminal connection assignment Connecting a ripple control receiver for active power control Note The information in this section applies only to systems in Germany The inputs for analogue sensors can be used to con nect a ripple control receiver for acti
69. ith spring loaded terminal strips figure 14 D m Fig 14 Spring loaded terminal strip Fastening the cable left detaching the cable right e Connect the conductors of the mains cable to the AC terminal in accordance with the labelling figure 15 Fig 15 Mains cable connected left without sealing cap right with sealing cap illustration shows PIKO 7 0 8 3 10 1 1 Sealing cap 2 Sealing wire 3 Mains cable Place the sealing cap on the terminal block and attach the seal The sealing cap is mandatory in Italy e Screw the union nut with inner sealing ring and plug tightly onto the cable screw connection Note The cable connection seals the housing against moisture and also relieves tension on the cable to ensure it is not pulled out of the terminals by its own weight Installation and Operating Manual for PIKO Solar Inverter 17 6 Installation e Check whether all lines are securely connected and cannot become loose e Switch off the current distributor and secure the voltage supply from being unintentionally switched back on Ensure that the current distributor is de energised e Lay the mains cable from the inverter to the current distributor WARNING Risk of fire due to overcurrent and heating of the mains cable Install a line circuit breaker into the mains cable between the inverter and the feed meter see table 2 to sec
70. le 22 Technical data Forts 64 Installation and Operating Manual for PIKO Solar Inverter 10 Appendix 10 2 Block diagram o En o GET tU l Ou Segen la i ON c a N a Fig 94 Block diagram illustration shows PIKO 10 1 DC regulator 1 to 3 depending on model System control with MPP trackers Display and communication Grid monitoring and shutdown Three phase AC output for PIKO 3 0 3 6 single phase L N PE Power supply unit Inverter bridge PV string 1 to 3 depending on model Electronic DC load break switch O1 amp C5 I0 xs o0 Installation and Operating Manual for PIKO Solar Inverter 65 10 Appendix 10 3 Type plate The type plate is located on the right side of the inverter You will find the device type and the most important technical data listed on the type plate KOSTAL Solar Electric Hanferstra e 6 D 79108 Freiburg 49 0 761 477 44 100 www kostal solar electric com 2 Bounce 9 LA UMAX xx sai 10 2 1 IMX XXXA AC output X00000000009X TT 11 5 TAX VA cos 971 adj max XX X A 12 6 XX YYYYW cos 1 7 EN 55 20 C 60 C berspg Kat DC II AC III Grid monitoring in compliance with 8 DIN V VDE V 0126 1 1 2006 02 Art Nr NNNNNNNN 13 Ser Nr XXXXKABCXXXXX _ 44 HW XXX Par PIB XXXL 45 FW XX XX Ul XX XX Serviceupdate XXXXXXXX ER ce XXXXXXX XX
71. le 9 Switch output technical data Note You must install a component such as an exter nal load relay between the inverter and the consumer device Do not connect any consumer devices directly to the switch output e Connect all wires to the appropriate terminals fig 61 position 1 Connecting the SO input energy pulse meter The SO input allows you to record the pulses of an energy meter or a second inverter Note While the second inverter will not be displayed in the solar portal its energy yield is included in the first inverter s data in total When using the SO input the analogue inputs Aln3 and Aln4 are inactive The web server of the inverter shows the pulses counted on the info page e Connect the lines to the terminal 4 in figure 61 according to the terminal assignment table 10 Fig 62 Example of the connection of an external energy meter at the SO In input 1 S In input 2 External energy meter 38 Installation and Operating Manual for PIKO Solar Inverter Connecting analogue sensors The inverter features four analogue inputs to which you can connect for example temperature and irradiation sensors or wind sensors The additional measured data enable a more precise monitoring of the photovoltaic system The sensors must have an output voltage of 0 10 V An additional voltage supply may be required depend ing on the sensor Note When using the SO input the analogue input
72. les from communication compo nents may come into contact with parts carrying mains voltage if the insulation is damaged e Only connect double insulated cables in the inverter ATTENTION The communication board may be damaged by elec trostatic discharge e Touch a grounded point for example the holder for the housing screw connection on the bottom right before touching the circuit board Overview of the accessory interfaces Fig 54 Communication board connections 1 Switch output SO AI OUT 2 RS485interface 3 DIP switch for RS485 configuration 4 Terminal for analogue interfaces Connect switch output SO AI OUT The switch output SO AI OUT can be occupied with the following functions SO interface Alarm output Switching of devices internal consumption SO interface The switch output functions as a pulse output as described in DIN EN 62058 31 with a con stant rate of 2000 pulses per kilowatt hour Using a suitable receiver device such as an energy meter or a display you can record and display the energy yield of your photovoltaic system Alarm output The switch output functions as a poten tial free NC contact It opens when a malfunction occurs see Faults on page 56 Internal consumption The switch output functions as a potential free NO contact It closes when the set con ditions are fulfilled see section Setting the conditions for switching on devices inte
73. lopment Manager This declaration certifies the compliance with the mentioned regulations but does not ensure the properties The safety instructions in the product documentation provided must be observed Fig 1 EU Declaration of Conformity Installation and Operating Manual for PIKO Solar Inverter 7 4 Safety instructions 4 Safety instructions Improper handling during installation and while operat ing inverters can cause potentially fatal situations due to electrical shock Furthermore non observance of this manual could cause burns or even fires due to the potentially high surface temperature of the cooling elements Therefore always observe all safety instructions in this manual Safety markings The labels and markings attached to the housing by the manufacturer may not be changed or removed Proper installation The installer must be familiar with and observe all local installation regulations valid in their respective country The installer must be familiar with this manual and fol low all instructions Electromagnetic fields Danger due to electromagnetic fields A People with pacemakers metallic implants or hearing aids may experience complications Such people should consult their doctor before entering a site with inverters Opening the unit Only a qualified electrician may open and perform work on the unit There are deadly voltages in the inverter during A operation e Switch off the unit co
74. ly voltage on using the DIP switches 2 and 3 Connection scope Inverter max 20 inverters without DIP switch without DIP switch without DIP switch without DIP switch On max 20 inverters without DIP switch without DIP switch without DIP switch 4 1234 max 20 inverters when the without DIP switch On On On inverter is at a distance of n t LL 1 LU t LL 1234 1234 1234 On On On On max 200 inverters TT t 1234 1234 1234 1234 Table 8 DIP switch for RS485 configuration Note If you have the necessary expertise you can connect the inverter to a serial interface RS232 or USB of your computer via a signal level converter For this type of connection however only the current per formance data can be accessed The integrated web server and the stored log data are not available e Connect the lines to the terminal 4 in figure 56 according to the terminal assignment table 7 Installation and Operating Manual for PIKO Solar Inverter 97 6 Installation 6 9 Installing accessories with communication board Il If available now install accessories such as sensors or ripple control receiver A DANGER Risk of death due to electrical shock Single insulated cables from communication compo nents may come into contact with parts carrying mains voltage if the insulation is damaged e Only connect double insulated cables in the inverter ATTENTION The communication boar
75. me pvserver Password pvwr e Confirm the entries by clicking on OK 3 The main screen of the inverter is displayed Installation and Operating Manual for PIKO Solar Inverter 41 7 Commissioning and de commissioning PIKO 10 1 KOSTAL Namenlos 255 Solar Electric AC Leistung Energie aktuell xxx W Gesamtenergie 0 kWh Tagesenergie 0 kWh Status Aus PV Generator Ausgangsleistung 1 L1 Spannung xxx V Spannung xxx V Strom XXX A Leistung xxx W String 2 L2 Spannung Xxx V Spannung xxx V Strom xxx A Leistung xxx W String 3 L3 Spannung xxx V Spannung xxx V Strom xxx A Leistung xxx W RS485 Kommunikation Wechselrichter 255 Anzeigen Aktualisieren Historie Infoseite Einstellungen Fig 70 Main page of the web server the number of inputs and outputs displayed may vary depending on unit type 7 2 2 Configuring settings e Click on the Settings link The Settings page is displayed settings ver 3 71 S no 90342ABC0000X item number 200002800A language English name Namenlos RS485 inverter address 255 1 220 data acquisition all 15 minutes switched output function S50 puse 5 SO AL Out internal consumption powerlimit r100 W stable positive deviation from the limit fe minutes run time 60 minutes function of analogue inputs sensors y network Auto IP DHCP manual network configuration Hoo oae ia ice f 1 subnet mask 255 255 255 0 M external router must
76. mpletely DC side and AC side before all work e Wait at least five minutes after switching off until the capacitors have discharged Disconnecting cables Burns from arcs Cables must never be removed from the device during operation as dangerous arcs may form First de energise the DC side then remove plug in connectors Disconnecting the DC side on units with a DC load break switch The DC load break switch is not an isolation switch for complete disconnection The inverter is isolated from the PV generator only when the plug in connectors are disconnected It is possible to plug in and disconnect the plug in connec tors under voltage but not while under electrical load Touching the inverter during operation Individual housing sections especially the cool N ing elements can reach temperatures of over 80 C during operation e Do not touch hot components e Allow the device to cool down before maintenance work Avoiding risk of fire Individual housing sections especially the cool N ing elements can reach temperatures of over 80 C during operation e Comply with regulations when choosing the installa tion site e Always keep the ventilation openings clear e Do not obstruct the unit e Do not store combustible and flammable materials near the inverter 8 Installation and Operating Manual for PIKO Solar Inverter 5 Unit and system description Function Fig 2 Inverter
77. n Display update you can update the data or when operating several inverters that are linked via an RS485 network select a different inverter via its RS485 address and access its current performance data 9 3 Downloading log data With the log data it is possible to display the yield data of the PV system Malfunctions can also be determined with the log data The log data of the inverter can be downloaded as a DAT or a txt file The log data are explained in table 21 on page 61 Procedure e Onthe main page of the web server click on the link history 3 A window with the options Open or Save opens Option Open the data can be opened and processed with a table calculation program Option Save the data are saved on your hard drive After saving these data can be displayed and further processed Note Regularly create backup copies of your saved log data 60 Installation and Operating Manual for PIKO Solar Inverter 9 4 Displaying log data The log data includes information on your photovoltaic system In order to comfortably display the log data we recom mend using the visualisation software PIKO Master Control V2 PMC V2 With this software you can directly access the inverter download and display the data You can download this free of charge from the download area of our website www kostal solar electric com Note The software PIKO Master Control V2 PMC V2 cannot import DAT or Txt
78. n ally switched back on Wait at least five minutes until the capacitors of the inverter have discharged Check the device and cables to make certain that they are voltage free Prior to installation check whether the local mains grid and the power output of the photovoltaic mod ules are compatible with the technical data of the inverter Observe the type plate Observe the specified sequence of installation tasks Install the inverter first then connect it to the electricity supply Observe the VDE safety regulations all national reg ulations in the country of use as well as the connec tion and safety regulations of the local energy supplier Pay attention to careful and correct installation No dirt no foreign bodies and no moisture may enter the inverter Fig 8 Scope of delivery Installation and Operating Manual for PIKO Solar Inverter 6 1 Installation 6 Installation N DANGER Risk of death due to improperly performed installation Improper installation can lead to life threatening situa tions The inverter and the components connected to it can also be damaged increasing the risk of fire Selecting the installation site Note Observe the following instructions when select ing the installation location Guarantee claims may be restricted or become entirely null and void in the event of failure to observe Install inverters so that they are not accessible to children
79. n objects from the inverter tools wire cuttings etc e Fit the cover and bolt it tight 40 Installation and Operating Manual for PIKO Solar Inverter 7 Commissioning and de commissioning 7 Commissioning and de commissioning 7 1 Switching on the inverter For the initial commissioning sufficient solar irradiation must exist so that a DC input voltage of at least 180 V is available for the inverter e Turn the DC load break switch to ON or switch on the DC strings one after another via the external DC isolator guy ON o Fig 67 DC load break switch ON e Switch on the grid voltage via the line circuit breaker If the following message appears on the display the country of use is not set of fil Fig 68 Display message if the country of use is not set communication board If using communication board l switch off the device voltage on the AC and DC sides and set the country of use as described in chapter 6 5 select country Germany Fig 69 Display message if the country of use is not set communication board Il The inverter is now in operation the display lights up and successively shows the device type the country setting the hardware and software versions and the name of the inverter The yellow LED lights up and the device automatically carries out the required tests according to DIN VDE 0126 If the yellow LED does not light up the input volt
80. nd minus pole of the system or at individual sub generators Arcs are dangerous For one thing they destroy the compo nents upon which they occur and high temperatures can also trigger a fire in the PV system The arc recognition monitors the PV system for arcs It determines the string in which an arc is occurring The arc recognition differentiates between serial or parallel arcs In the event of a serial arc the inverter shuts off the relevant string This extinguishes the arc A parallel arc is issued as an error message Malfunction Arc When an arc occurs the message Malfunction arc appears in the display The red LED is permanently lit the yellow LED blinks in a 5 second rhythm and a sig nal tone is heard The inverter switches off the relevant string After 30 seconds the inverter attempts to switch on the relevant string again When the inverter recognises an arc four times within a period of 30 minutes it shuts off the defective string entirely The arc recognition can be deactivated with the com munication board Il menu default On The occurring malfunctions are recorded in the inverter Acknowledge malfunction The DC break switch must be switched off and on again in order to acknowledge the error message The inverter then starts normally When an arc occurs again the inverter behaves as previously described Because it is not technically possible for an inverter to delete a parallel arc thi
81. nverter acknowledges the switchover with a brief signal tone The following operating values are shown in the display successively 2551W _ y daily energy 1 23kWh total energy 16251kWh total oper time 126h language BE English Dc 123 v 600 500 0 Auto IP DCHP 189 254 47 11 ADE a 2 3 A 2300 di 0 00 name no name UAC 253 V 2330 231 229 fan test start operating mode supply RS485 inverter address 128 settings version ogor ae ORO operating data Fig 87 User menu and settings submenu e Place your finger for a few seconds on the contact sensor in order to fixate the current display or to activate the submenu from the menu point Settings The following data can be accessed in the settings submenu Language P address nverter name RS485 address Software version e To switch between the values displayed tap the contact sensor Toreturn to the main menu from the Operating values menu item place your finger on the contact sensor for several seconds Changing the language e Go to the Settings submenu and select the Language menu item e To activate the language selection place your finger on the contact sensor for several seconds e Lightly tap the contact sensor to display the availa ble languages one after another e To confirm the selected language place your finger on th
82. nverter on its rear side cooling elements after unpacking If stored for a longer period before installation all com ponents of the inverter must be kept dry and dust free in the original packaging 6 Installation and Operating Manual for PIKO Solar Inverter 3 EU Declaration of Conformity 3 EU Declaration of Conformity A KOSTAL EU Declaration of Conformity The company KOSTAL Solar Electric GmbH HanferstraBe 6 79108 Freiburg i Br Deutschland hereby declares that the inverters Type PIKO 3 0 DCS PIKO 3 6 DCS PIKO 4 2 DCS PIKO 5 5 DCS PIKO 7 0 DCS PIKO 7 0 AD PIKO 8 3 DCS PIKO 8 3 AD 5x0000 04 00 PIKO 10 1 DCS 5x0316 04 00 PIKO 10 1 AD basic 5x0000 04 00 to which this declaration refers conform to the following guidelines and standards EMC Directive 2004 108 EEC DIN EN 61000 3 2 2006 A1 2009 A2 2009 Harmonic currents DIN EN 61000 3 3 2008 Flicker DIN EN 61000 6 2 2005 AC 2005 Interference resistance for industrial environments DIN EN 61000 6 3 2007 A1 2011 Interference emission for domestic environments 2006 95 EEC Low Voltage Directive DIN EN 50178 1998 Electronic devices in high voltage systems This declaration applies to all identical copies of this product This declaration loses its validity if the device is modified or incorrectly connected KOSTAL Solar Electric GmbH 2012 04 25 fia e mde Werner Palm Dr Armin von Preetzmann Managing Director Deve
83. omain name it informs the DynDNS service of each IP address change Many of the available rout ers offer such a function but a router generally only supports certain DynDNS services With some router manufacturers the function for port forwarding is called Virtual Server or similar For further information see the operating instructions of the router Fig 30 Retrieving log data Inverter connected to the Internet via DSL 1 Inverter 2 DSL router 3 Internet 4 Computer 5 Internet compatible mobile phone with browser function Version b with an integrated modem An inverter connected to the telephone network by an analogue modem can only be contacted by a compu ter when the computer establishes the connection via an analogue telephone connection or via the analogue connection of a telecommunications system dial in connection see figure 31 Fig 31 Retrieving log data Inverter connected to a telephone network 1 Inverter with integrated analogue modem 2 Telephone socket 3 Telephone network 4 Computer with modem Dialling in with a computer and analogue telephone connection does not function reliably for an inverter with GSM modem We therefore recommend dialling in via a computer with a GSM modem or a mobile tele phone with a modem function see figure 32 24 Installation and Operating Manual for PIKO Solar Inverter 6 Installation Fig 32 Retrie
84. ossible to use several portals at the same time e Open the web server s Settings page see illustration 50 e Enter the code for the intended solar portal in the Portal Code field The portal code for the PIKO Solar Portal www piko solar portal de is P3421 The portal code for safer Sun www meteocontrol com is P202L Installation and Operating Manual for PIKO Solar Inverter 33 6 Installation e Click on adopt to save the settings 3 The name of the solar portal will appear on the page The box M next to the portal name was activated automatically Data transfer is now activated Note To end the data transfer see chapter 9 5 page 62 e Check that the connection is OK e Enter the words go online in the Portal Code field e Confirm by clicking on adopt Open the Info page If a value in minutes is stated in the last connection to portal field there is a connection to the solar portal You can then register on the solar portal and use the inverter to create a system and or add the inverter to this system Note An inverter first has to log onto the portal go online before it can be assigned to a system in the portal 6 8 Installing accessories with communication board If available now install accessories such as sensors or ripple control receiver N DANGER Risk of death due to electrical shock The communication board is energised Single insulated cab
85. phone with browser function Version b with an integrated modem An inverter connected to the telephone network by an analogue modem can only be contacted by a compu ter when the computer establishes the connection via an analogue telephone connection or via the analogue connection of a telecommunications system dial in connection see figure 46 Fig 46 Retrieving log data Inverter connected to a telephone network Inverter with integrated analogue modem Telephone socket Telephone network Computer with modem A05 S Dialling in with a computer and analogue telephone connection does not function reliably for an inverter with GSM modem We therefore recommend dialling in via a computer with a GSM modem or a mobile tele phone with a modem function see figure 47 Fig 47 Retrieving log data Inverter connected to a mobile communications network Inverter with integrated GSM modem Mobile communications antenna Mobile telephone GSM with modem function Computer NGN Overview of the communications interfaces Fig 48 Communications interface Communication board Il Modem accessory RJ11 socket Terminal for RS485 interface SO voltage output RJ45 sockets SO alarm output OO A Col Connecting Ethernet cable You can connect the inverter to a computer or a com puter network Ethernet 10 100 MBit s via the RJ45 Socket e Insert the plug of the Eth
86. rmation concerning your safety or that of the unit is highlighted especially N DANGER Non observance of safety warnings which are identi fied by the signal word DANGER can cause fatal inju ries N WARNING Non observance of safety warnings which are identi fied by the signal word WARNING can cause serious and or permanent injuries N CAUTION Non observance of safety warnings which are identi fied by the signal word CAUTION can cause minor and or reversible injuries Installation and Operating Manual for PIKO Solar Inverter 1 Notes on this manual ATTENTION Non observance of safety warnings which are identi fied by the signal word ATTENTION can cause dam age to property 2 Properuse The inverter PIKO converts DC current into symmetric single phase PIKO 3 0 3 6 or 3 phase PIKO 4 2 5 5 7 0 8 3 10 1 AC current and feeds this into the public mains grid The unit may only be used in grid connected photovoltaic systems within the permissible power range and under the permissible environmental conditions The unit is not intended for mobile use Inappropriate use can be hazardous and lead to injury or even death of the user or third parties Material dam age to the unit and other equipment can also occur The inverter may therefore only be used for its intended purpose Exclusion of liability Any use that differs from or goes beyond the stated intended purpose is considere
87. rnal consumption Com munications board ll on page 44 For more information refer also to the text and image in section Internal consumption on page 11 Max load 100 mA Max voltage 250 V AC or DC Connections Neutral polarity Table 6 Switch output technical data Note You must install a component such as an exter nal load relay between the inverter and the consumer device Do not connect any consumer devices directly to the switch output e Connect all wires to the appropriate terminals fig 54 position 1 34 Installation and Operating Manual for PIKO Solar Inverter Connecting the SO input energy pulse meter The SO input allows you to record the pulses of an energy meter or a second inverter Note While the second inverter will not be displayed in the solar portal its energy yield is included in the first inverter s data in total When using the SO input the analogue inputs Aln3 and Aln4 are inactive The web server of the inverter shows the pulses counted on the info page e Connect the lines to the terminal 4 in figure 54 according to the terminal assignment table 7 Fig 55 Example of the connection of an external energy meter at the SO In input 1 SO n input 2 External energy meter Connecting analogue sensors The inverter features four analogue inputs to which you can connect for example temperature and irradiation sensors or wind sensors The addit
88. rom KOSTAL Solar Electric GmbH We hope you enjoy consistently high energy yields with the PIKO inverter and your photovoltaic system If you have any technical questions please call our service hotline 49 0 761 477 44 222 1 Notes on this manual Read this manual carefully in its entirety It contains important information on the installation and operation of the inverter Pay particular attention to the instruc tions regarding safe usage KOSTAL Solar Electric GmbH assumes no liability for damages arising from the non observance of this manual This manual is an integral part of the product It only applies to solar inverters PIKO from KOSTAL Solar Electric GmbH Keep this manual and give it to the new owner should you pass it onto a new operator The installer as well as the user must always have access to this manual and must be familiar with its contents particularly the safety instructions Target groups This manual especially chapters 6 Installation and 7 Commissioning and de commissioning are intended for specialist tradespersons Information relevant for the operator can be found in chapters 8 Inverter operating characteristics and 9 System monitoring The inverters described in this manual differ from one another in terms of particular technical details Informa tion and instructions that only apply to certain device types are indicated accordingly for example PIKO 4 2 5 5 Info
89. rresponding socket 2 figure 33 Connecting an Ethernet cable and or telephone line to the cable terminal Instead of the RJ45 and RJ11 sockets you can use the six pole screw terminal to connect the Ethernet cable and telephone cable 4 in figure 33 This type of con nection is intended for installation in large systems e Connect the lines to the cable terminal according to the terminal assignment table 5 1 2 AA c OQ a G x x Modem A 1 x E Fig 35 Cable terminal 1 Analogue telephone connection 2 Ethernet connection Terminal Designation Description 1 Tx Transmission pair 2 Tx Transmission pair 3 Rx Reception pair 4 Rx Reception pair Table 5 Cable terminal connection assignment for twisted pair cables and telephone line Installation and Operating Manual for PIKO Solar Inverter 25 6 Installation Terminal Designation Description 5 Modem a Telephone line a 6 Modem b Telephone line b Table 5 Cable terminal connection assignment for twisted pair cables and telephone line Installing GSM modem In order to use the GSM modem you will need a SIM data card with a contract with a mobile phone provider The GSM Link software leaves you free to select your mobile phone provider Using a modem involves addi tional costs Details can be obtained from telecommu nications providers Not eve
90. rter operating characteristics 8 5 4 AC menu Fig 90 AC menu 54 Installation and Operating Manual for PIKO Solar Inverter 8 Inverter operating characteristics 8 5 5 Settings menu Fig 91 AC menu Installation and Operating Manual for PIKO Solar Inverter 55 8 Inverter operating characteristics 56 SW HW version Pure display like type plate FW Firmware version HW Hardware version Ul Software version of the communication board PAR Version of the parameter file Arc recognition This menu is only displayed for devices with arc recognition and serves to activate and deactivate the function Event messages Event messages can be faults or other events The option Immediate at the end of the data collection period trans mission sends the event message immediately to an Inter net portal Note When a data flat rate is not present the data transfer with a GSM or analog modem can result in higher costs Factory settings In this menu the inverter can be reset to the factory setting Attention All user settings are lost during this reset 8 6 Faults The inverter interrupts the feed in and switches off in the event of a fault e Check if the DC load break switch or the external DC isolator was opened e Check if the fault is due to a mains power failure or if the fuse between the feed meter and the inverter has tripped N DANGER Risk of dea
91. ry mobile phone tariff is suitable for use with an inverter Before purchasing the SIM data card discuss the following points with your mobile phone provider and obtain all the access data you require APN user name and password You should select a provider whose network supplies the strongest GSM signal at your chosen location The tariff must allow for packet data communication via GPRS Prepaid cards which are charged by mobile calls are not suitable Tariffs which specify particular times for data downloads cannot be used The tariff must permit a data volume of at least 5MB per month and inverter The SIM card must be activated before installation e Download the GSM Link software from our website www kostal solar electric com Download area or use the CD supplied e Switch the inverter off for at least 5 minutes Fatal voltages are produced in the inverter dur A ing operation Only a qualified electrician may open and perform work on the unit Open the cover e Connect an Ethernet cable to the communication board RJ45 interface network connection and connect to the PC If connecting directly inverter with PC without switch you must use a crossover cable e Switch the inverter back on again e nthe Internet browser enter the serial number inverter name or IP address in the address line to go to the inverter s web server e g S081230001 or s903421E100001 or 192 1
92. s Aln3 and Aln4 are inactive Note If the inverter is intended for connecting a ripple control receiver you cannot connect sensors e Connect the lines to the terminal according to the terminal assignment figure 63 and table 10 1 2 3 4 AAA 7V000N0005S gt A t Q z AM NZ i Z Occ lt P RS485 lt Fig 63 Cable terminal 1 Voltage output 2 Analogue inputs 3 SO input energy pulse meter 4 RS485 Terminal Designation Description 1 RS485 A RS485 A 2 RS485 B RS485 B 3 GND Ground for RS485 4 SO In SO input energy pulse meter 5 Aln1 Inputs for analogue sensors 0 10 V or for ripple control 6 Aln2 receivers 7 Aln3 8 Aln4 9 AGND Ground for analogue inputs and SO input 10 12V 12 V output for external sen sors not potential free max 100 mA or for ripple control receivers Table 10 Cable terminal connection assignment 6 Installation Connecting a ripple control receiver for active power control Note The information in this section applies only to systems in Germany The inputs for analogue sensors can be used to con nect a ripple control receiver for active power control in accordance with the Renewable Energy Law as applicable in Germany This function must be activated via the inverter web server see section Setting the analogue input functions in chapter 7 2 2 The inverter must then be linked via Ethernet or RS485
93. s is only shown as a message in the display The signal tone also sounds and the red LED lights up The message disappears in the display once the error message is acknowledged Note The entire installation of the PV system should be checked for damage after each Arc malfunction Inform your installer where appropriate Note In rare individual cases false alarms can occur that can be extinguished outside of the PV system Causes for such false alarms can include for example transformer stations or large energy consumers IMPORTANT Under certain circumstances e g with feed cables gt 60m arcs cannot be registered This is why regular maintenance of the PV system is essential Regular inspection of the installation must be carried out despite arc recognition 10 Installation and Operating Manual for PIKO Solar Inverter 5 Unit and system description Fig 5 System illustration of a grid connected photovoltaic system 1 PV string 1 2 PV string 2 and 3 optional 3 Inverter 4 Electronic DC load break switch Inputs The PIKO operates using the so called string principle In this system a limited number of solar modules depending on the desired power output while consid ering the maximum permissible input voltage are con nected in series as a string which is then connected to the inverter The number of strings depends on the configuration of the solar energy system The strings are connected to the in
94. scribed under situation 1 Alternatively you can connect the inverters to each other via the RS485 interface and then only need to connect one of the inverters via Ethernet figure 43 With this type of connection the web server of the inverter connected via the Ethernet also displays the current output data of the other inverters However the web server and the stored log data are only available for the inverter connected via Ethernet Fig 43 Connecting inverters via the RS485 and retrieving performance data via Ethernet Inverter Additional inverters max 200 depending on cable length RS485 connection Ethernet crossover cable Computer O1 amp C5 I0 Situation 3 Data transfer to a solar portal The inverter can send yield data to an Internet solar portal at regular intervals To do so a the inverter must be connected to a DSL router or to a network with Internet access or 6 Installation b the inverter must have an integrated analogue modem or wireless modem GSM available as an accessory Version a requires a DSL connection If your inverter is located close to where you already have a DSL con nection you can use the available connection for trans mission Note If the inverters are connected to the Internet by DSL router in the local network both direct retrieval of the log data as well as transmission of the log data of all connected inverters is possible through a solar portal
95. signed to a system in the portal 6 7 Connecting communication components with communication board Il Now install the available communication components such as an analogue modem cable etc The GSM modem is an exception since the PIN code of the SIM card must be entered before the GSM modem can be installed in the inverter with the SIM card see section 7 2 2 N DANGER Risk of death due to electrical shock Single insulated cables from communication compo nents may come into contact with parts carrying mains voltage if the insulation is damaged Only connect double insulated cables to the inverter ATTENTION The communication board may be damaged by electrostatic discharge e Touch a grounded point for example the holder for the housing screw connection on the bottom right before touching the circuit board Overview of the communications interfaces In terms of communication options four different situations are taken into account 1 Inverter configuration 2 Direct retrieval of the current yield value and or saved log data 3 Transferring the yield data to an Internet solar portal 4 Remote retrieval of the current yield value and or saved log data Situation 1 Configuring the inverter All communication settings for example activation of data transfer to a solar portal are made via the inte grated web server To access the configuration on the web server you will need a computer w
96. solar portal with a modem first connect the inverter with the Ether net crossover cable You will only need one modem the inverter with the modem then assumes the function of a router for the other inverters The number of network connectable inverters is in prin ciple only limited by the available IP addresses In prac tice for data transfers via GSM or analogue modem a max of 30 inverters can be networked for data trans fers via DSL a max of 300 inverters can be networked Installation and Operating Manual for PIKO Solar Inverter 29 6 Installation Fig 44 Connecting several inverters through the Ethernet and transferring data via modem Inverter with an integrated modem analogue or GSM Additional inverters without a modem max 29 Ethernet crossover cable Computer for configuration and if applicable direct retrieval Telephone connection box or mobile communications antenna depending on the modem being used NGN a Situation 4 Remote retrieval of yield data You can also connect to the inverter remotely instead of through a local network This may possibly involve additional connection costs Similar to situation 3 the inverter must either a be connected to a DSL router or b have a modem analogue or GSM installed Version a Inverter with DSL connection to the Internet To ensure the inverter can actually be accessed via the Internet several requirements must be met The
97. stored transmitted or translated in any form or by means of any medium in whole or in part without prior written permission Contents Contents 1 Notes on this man al 22 0025 lr OR ee ed ee eee ee eee eee eee eee RR 5 2 Proper USO a LIC DTE 5 3 EU Declaration of Conformity 2222202 2s sce ho eee tratantes er eee a ease 7 4 Safety Instructions ess ened IR eee ERROR Re RO ee eR ROR RR URL R CR 8 5 Unit and system description 9 6 Installatlon 22s RR Re ERR Rm Rm xg RUE RR E eel ale x OR RUE UR RUE Ros Ue RR RIBUS A 14 6 1 INStallatiON ont doe me deo lordo orare ia Rune do oe aod fe did 15 6 2 Electrical CONMECION idc ee y Er vp ke en VERE OVE PRG de 16 6 3 Connecting tie AC SIdG acoso ess coy ta ei aa dene eRe Pan EIE 16 6 4 Connecting the DG SIO Lisiera ie eode doni 18 6 5 Setting the country Of USC cee aed eee i d 20 6 6 Connecting communication components with communication board 21 6 7 Connecting communication components with communication board Il 28 6 8 Installing accessories with communication board LL 34 6 9 Installing accessories with communication board Il aa aasa 38 6 10 Closing the HOUSING x eec rae x a i OA SRE CR Pee aa Rn e RAMA A 40 7 Commissioning and de commissioning 0 000 iii 41 A Switching onthe inverter iii RAR EEE AR 41 7 2 Setting up communication and accessories 41 7 3 Handoverto the operator di iaa aaia ata hrs 49 7 4 Switching the
98. t SO Al OUT on page 34 You can find the description for the inverter configura tion in section Setting the switch output function on page 43 Installation and Operating Manual for PIKO Solar Inverter 11 5 Unit and system description Active power and reactive power control The terms There are three types of electrical power in the mains grid Active power W Reactive power Var Apparent power VA Active power Active power is that electrical power that is converted by an ohmic device Ohmic devices are devices with no coil and capacitors e g heat radiators electric stoves light bulbs The active power is registered by the usual electricity meters This means that only the active power is calculated or paid for The active power current is in phase That means that power and voltage are synchronous Both reach the zero point and the peak value at the same time Reactive power Reactive power is that electrical power that is con verted by inductive and capacitive devices Inductive devices are coils Capacitive devices are capacitors These devices require electrical energy in order to build up the magnetic or electrical field This power is referred to as reactive power Devices with motors and capacitors e g washing machine draw reactive power from the grid The reactive power is not registered by the usual elec tricity meters However like the active power it does draw
99. tead of the serial number you can also use the name of the inverter or the IP address for example http name or for a dial in connection http wr name or http 192 168 1 51 if the inverter has this IP address You can find out how to allocate a name to the inverter or to change the name in section Changing the name gt in chapter 7 2 Installation and Operating Manual for PIKO Solar Inverter 59 9 System monitoring e Enter user name and password The factory defaults for user name and password are set as follows User name pvserver Password pvwr You can change the password in the settings of the web server at any time see section Changing the password in chapter 7 2 The user name cannot be changed e Click on OK to confirm you entry 3 The main screen of the web server will be displayed PIKO 10 1 KOSTAL Namenlos 255 Solar Electric AC Leistung Energie aktuell xxx W Gesamtenergie 0 kWh Tagesenergie 0 kWh Status Aus PV Generator Ausgangsleistung String 1 L1 Spannung xxx V Spannung xxx V Strom XXX A Leistung xxx W String 2 Spannung xxx V Spannung xxx V Strom XXX A Leistung xxx W n L3 Spannung xxx V Spannung xxx V Strom xxx A Leistung xxx W RS485 Kommunikation Wechselrichter 255 cAnzeigen AKuslisieren Historie Infoseite Einstellungen Fig 92 Main page of the web server the number of inputs and outputs displayed may vary depending on unit type By clicking on the butto
100. th due to electrical shock Deadly voltages are present in the inverter Only a qual ified electrician may open and perform work on the unit If the fuse has tripped notify the installer if there is a power failure simply wait until the mains operator has corrected the problem If the fault lasts only a short time mains fault excess temperature overload etc then the inverter will auto matically resume operation as soon as the fault has been resolved If the fault persists notify your installer or the manufac turer s customer service department for contact infor mation see back page Provide the following information Device type and serial number You will find this information on the type plate on the exterior of the housing Description of fault LED indicator and display message Installation and Operating Manual for PIKO Solar Inverter Event list There is no need to take action when a fault occurs occasionally or only briefly and the device resumes operation When a fault occurs over long periods or recurrs often the cause must be determined and corrected The following table should be helpful in the process 8 Inverter operating characteristics Code DiSpiay nine Description Measures display Fan fault 1 Warning Blockage of left fan Clean fans where necessary Fan blockage le Check plugs connection cables and fans for damage 2 Warning
101. tion board Note You can change the preset language of the display and integrated web server see Table 4 to any selection you wish after the commissioning ATTENTION The communication board may be damaged by electrostatic discharge e Use a blunt non metallic utensil to activate the DIP switch e Touch a grounded point for example the holder for the housing screw connection on the bottom right before touching the circuit board e Set the DIP switch as appropriate for the country of use according to table 4 Country Switch setting EE Delivery condition ua deacti 400000000 none DE 100000000 de DE NSR 00000 de DE MSR tUUNMUUUU de ES ODO jes FR OOOO tr PT UOUUOGUU pt IT QDQLDPDD it ovo Rum e GR islands 100000000 E NL UQUOOUUU n BE tUUUCOUON tr LU UUUOOO0U tr CH UUUON8U0 tr CZ OOOO jes AT UQUAUAUU de UK MT lt 16A 00000000 en UK MT gt 16A 00005005 en SI UUUNUUUA en DK 100000000 en Table 4 DIP switch settings 20 Installation and Operating Manual for PIKO Solar Inverter
102. together and pulling out the plug 7 Commissioning and de commissioning Note The plug in connectors are designed for only a limited number of application see the manufacturer s specifications For this reason avoid plugging them in and unplugging them unnecessarily e Use the line circuit breaker to disconnect the inverter from the mains e Secure the voltage supply from being switched back on e Allow the unit to cool down Wait five minutes until the capacitors of the inverter have discharged Ensure that all connections are de energised 7 5 Servicing maintenance N DANGER Risk of death due to improperly performed work Work performed improperly can cause life threatening situations Only qualified electricians or appropriately trained persons may perform work on the inverter Once correctly installed the inverter operates nearly maintenance free e Check the cable connections and plugs at least once a year If there are loose connections damaged cables etc switch off the inverter immediately Damage may only be repaired by qualified electricians Fan cleaning For cooling during operation inverters are equipped with one or two fans To ensure that the fans function properly you should regularly perform a test of the fans If the fans are dirty the inverter may not be adequately cooled and the efficiency of the unit decreases Fig 82 Removing the fan PIKO 3 0 3 6 4 2
103. tor You can find further information at our service hotline See also chapter 7 2 2 The solar portal displays the data on an Internet page and archives them This enables you to view the status of your photovoltaic system at any time and from any where All you need is access to the Internet computer Internet hotspot mobile phone etc Downloading the log data onto a computer Retrieve the performance data of your photovoltaic System directly from the inverter To do so establish a connection to your inverter with a computer The inte grated web server displays the current performance data clearly on HTML pages so that you can access the data with any conventional Internet browser No special software is needed In addition you can down load all saved log data and display it using the free vis ualisation software PIKO MasterControl see chapter 9 4 Alternatively you can use a spreadsheet applica tion 9 1 Displays and settings via web server To quickly and easily retrieve the log data of your pho tovoltaic system you have in addition to direct data retrieval on the built in display the option of the follow ing further communication channels Data retrieval by computer cable connection 9 System monitoring Data retrieval by remote access Data retrieval through a solar portal in the Internet Depending on which communications interfaces are configured you can access your inverter or several inverters
104. ue Tecnol gico de Valencia 46980 Valencia Espana Tel fono 34 961 824 930 Fax 34 961 824 931 KOSTAL Solar Electric France SARL 11 rue Jacques Cartier 78280 Guyancourt France T l phone 33 1 61 38 4117 Fax 33 1 61 38 3940 KOSTAL Solar Electric Hellas E M E 47 Steliou Kazantzidi st P O Box 60080 1st building 2nd entrance 55535 Pilea Thessaloniki Greece EM da Telephone 30 2310 477 550 Fax 30 2310 477 551 KOSTAL Solar Electric Italia Srl Via Genova 57 10098 Rivoli TO Italia Telefono 39 011 97 82 420 Fax 39 011 97 82 432 www kostal solar electric com SEM 01 12
105. ure it against overcurrent PIKO c o o 10 e c o e o TONO Type Single pole Three pole Tripping characteristic B Rated current 25A 16A 25A Table 2 Recommended AC line circuit breaker e Do not switch on the voltage yet 6 4 Connecting the DC side The number of strings to be connected depends on the configuration of the photovoltaic system First connect string 1 then strings 2 and 3 if present The cross section of the DC cables should be as large as possible a maximum of 4 mm for flexible cables and 6 mm for rigid cables The cross section of the DC cables must be 4 6 mme We recommend using tin plated cables If non tin plated cables are used the copper strands may oxidise as a result of which the transition resistance of the crimp connections will be too high If the rated current of a string is higher than the permit ted input value of the inverter you can on certain unit types connect the DC inputs 1 and 2 in parallel see table 3 Two bridges have been added to the units for this purpose figure 16 Fig 16 DC bridges PIKO oo N 0o o 0 o c5 c 0 N Number of DC 1 2 3 2 2 3 inputs 00 00 00 co Nominal DC current 11 5 11 5 11 5 per input A Max DC input 9 9 9 9 12 5 12 5 12 5 current per input A Is parallel No Yes Yes No Yes Yes Yes connection of inputs 1 amp 2 possible DC nominal current 12
106. ve power control in accordance with the Renewable Energy Law as appli cable in Germany This function must be activated via the inverter web server see section Setting the ana logue input functions in chapter 7 2 2 The inverter must then be linked via Ethernet figure 57 or RS485 figure 58 so that the inverter connected to the ripple control receiver can forward the information received to the other inverters Installation and Operating Manual for PIKO Solar Inverter 35 6 Installation Fig 57 Connecting the ripple control receiver for inverters with Ethernet connections Master inverter Additional inverters Ethernet cable Switch hub 5 conductor connection at analogue in Ripple control receiver Grid NOOR C5 Io gt Fig 58 Connecting the ripple control receiver for inverters with RS485 connections Master inverter Additional inverters RS485 connection 3 conductor 5 conductor connection at analogue in Ripple control receiver Grid OO amp Cono e Connect the ripple control receiver lines in accord ance with the terminal assignment figure 59 and table 7 AGND S Aln4 amp fans Q Aln2 Alnt D S0 In Fig 59 Connecting the ripple control receiver to the inverter 1 Ripple control receiver Connecting RS485 Connections for the serial RS485 interface are found on the terminal for analogue interfaces figure 56 Using
107. verter via plug in connectors Depending on the unit type one two or three sepa rately controllable inputs are available Inputs one and two can sometimes be connected in parallel in order to allow a higher input current see table 3 page 18 For PIKO 5 5 parallel connection is not possible You can obtain the highest yields through the maximum permissible input voltage This is achieved by using the smallest possible number of inputs with identical power An example For the installation of 48 solar modules it is better to use two inputs with 24 modules each rather than three inputs with 16 modules each Be sure to always observe the specifications on the type plate 5 AC mains cable 6 Single phase or 3 phase AC line circuit breaker for layout see table 2 page 18 7 Feed meter Internal consumption All PIKO inverters are designed in such a way that the generated power can be used internally in part or entirely Ce Photovoltaic module e Inverter VA Production Feed Consumption Grid lt 7 meter meter meter Consumer devices Fig 6 Possible configuration for internal consumption The switch output is a potential free NO switch and can deal with a max load of 100 mA Note An external load relay must be installed between inverters and devices No devices may be connected directly to the inverter You can find the description for the electrical connec tion in section Connect switch outpu
108. ving log data Inverter connected to a mobile communications network Inverter with integrated GSM modem Mobile communications antenna Mobile telephone GSM with modem function Computer KR M ma Overview of the communications interfaces Fig 33 Communication interfaces Modem accessory RJ11 socket RJ45 socket Terminal for RJ45 and RJ11 A005 Connecting Ethernet cable You can connect the inverter to a computer or a com puter network Ethernet 10BaseT 10 MBit s via the RJ45 socket Use crossover cables of category 5 Cat 5e FTP with a maximum length of 100 m e Insert the plug of the Ethernet cable into the corre sponding socket 3 figure 33 Installing analogue modem Prerequisite for usage of the analogue modem is an analogue telephone connection Using a modem involves additional costs Details can be obtained from telecommunications providers e Carefully attach modem to circuit board The upper most plug pin on the left must be inserted into the uppermost hole in the multipoint connector Fig 34 Installing the modem e Connect the telephone cable see the following section Connecting the telephone cable The RJ11 socket is used to connect the inverter to an analogue telephone jack or to an ISDN line with a termi nal adapter To use the RJ1 1 interface you will require a modem available as an accessory e Insert the plug of the telephone cable into the co

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