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Operating Instructions Powador 16.0 TR3 18.0 TR3

1. Building connection Fig 1 Overview circuit diagram for a system with two inverters Page 8 Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Description K A C 0 eC new energy 3 2 1 2 A summary of the components PV generator The PV generator i e the PV modules converts the radiant energy of sunlight into electrical energy DC terminal point Variants of parallel connection of several generator strings To a DC terminal point between the DC generator and inverter Directly to the inverter terminals for 9 3x3 strings are provided on the inverter Directly to the PV generator with a positive and negative lead to the inverter DC disconnect Use the DC disconnect to disconnect the inverter from all power sources on the PV generator side Line fuses NEOZED fuses or automatic circuit breakers are suitable Feed in meter The feed in meter is specified and installed by the power supply company Some power supply companies also allow the installation of your own calibrated meters Selective main switch If you have questions about the selective main switch contact your power supply company 3 2 2 Design of the inverter Fig 2 Design of the inverter Key 1 Operator panel 4 Connection board 2 Cover for the connection area 5 DC disconnect 3 USB interface Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Page 9 Description K A C 0 eC
2. 16 ey Messages onthe display halt LED espe id 51 Delve ais 16 Id DOIVE niairt aiiai 2 5 2 Transportation 16 Shutdown Dlsdsse ply aa erence 52 6 Mounting the Inverter ssecsssscsessosessesee 7 111 Shutting down the inverter 52 Installing the Inverter ceca 19 1 2 Deinstalling the inverter 52 7 Opening the connection area 19 1 3 Dismantling the inverter 52 72 Carrying out the electrical connection 19 12 DisPOSall e 53 78 Conneciing the Ner an 23 BI EBUILT o 53 74 Sealing the connection area 27 Vus d ac gigia aa x 75 Starting up the inverter sss 27 Tj DOCUMEN ciat tt alga ih 131 EU Declaration of Conformity 54 13 2 VDEW Declaration of Conformity 55 Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Page 3 General Notes K A C 0 eC new energy 1 General Notes 11 About this documentation Improper handling of the inverter can be hazardous You must read and understand the operating instructions before you can install and use the inverter safely 111 Other applicable documents During installation observe all assembly and installation instructions for components and other parts of the system These instructions are delivered together with the respective components and other parts of the system
3. Directive relating to electrical equipment designed for use within certain voltage limits 2004 108 EC Directive relating to electromagnetic compatibility Safety of the unit IEC 62109 1 2010 Interference immunity EN 61000 6 1 2007 EN 61000 6 2 2005 Emitted interference EN 61000 6 3 2007 EN 61000 6 4 2007 Secondary effects on the grid EN 61000 3 2 2006 EN 61000 3 12 2005 EN 61000 3 3 2008 EN 61000 3 11 2000 applicable for models lt 16A applicable for models 2 16 A The types mentioned above are therefore labelled with the CE marking Any unauthorised modifications to the supplied units and or any use of the units that is contrary to their proper use shall render this Declaration of Conformity null and void Neckarsulm 23 November 2010 KACO new energy GmbH Matthias Haag CTO Page 54 Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Documents K A C 0 eC new energy 13 2 VDEW Declaration of Conformity Name and address KACO new energy GmbH of the manufacturer Carl Zeiss Str 1 74172 Neckarsulm Germany Product description Photovoltaic feed in inverter Type description Powador 16 0 TR3 18 0 TR3 This is to confirm that the units stated above are compliant with the guidelines for connection and parallel opera tion of in system generation on the low voltage grid 4th edition 2001 The inverters are equipped with a three phase voltage drop protector and
4. KACO me new energy Powador 16 0 TR3 18 0 TR3 Operating Instructions E English translation of German original KACO new energy Operating Instructions for Installers and Operators Powador 16 0 TR3 18 0 TR3 Contents 1 General Notes scccccssesccssccsesesesecesees 4 8 Configuration and Operation 28 11 About this documentation 4 81 Controls ceni epe eren ane 28 12 Design features eee 4 82 lnitial start Upeo 31 2 Elie M 6 83 Menu structuren 31 21 Proper USCS otio iria rr tent 6 8 4 Monitor inverter ssssesssscscsscssssssssesssevoossssssesecs 38 2 2 Protection features 85 Performing a software update 40 2 3 Standards and directives 9 Maintenance Troubleshooting 41 3 Description cccccccssssccccssccscsccsccrecsceees 91 Visual inspection 31 How it works esses ttenttenntnnnis 8 92 External cleaning 3 2 Unitdescription sees 8 93 Shutting down for maintenance and trouble 4 Technical Data teael 13 SHOOTING ssecsssscsseeccssecssscceseeceseecsneessnecesneeesseecsseeeses 41 41 Electrical data see 13 9 Repiacing or clearing de Festus 8 42 Mechanical data se 14 2x CRISES NS SIGUI DS temes ea ae 45 Countiyes pacino parameter stihi ana 15 96 Fatlts eiecit rere Hectore iet 44 5 Transportation and Delivery
5. K The indicated work must only be carried out by a service employee of KACO new energy GmbH Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Page 45 Maintenance Troubleshooting K A C 0 eC new energy Fault Cause of fault Explanation remedy By Noise emission Particular ambient When there are certain ambient conditions the units may emit from the inverter conditions audible noises Line interference or grid failure caused by particular loads motors machines etc which are either connected to the same point on the grid or located in the vicinity of the inverter In cases of volatile weather conditions frequent switching between sunny and cloudy conditions or strong irradiance alight hum may be audible due to the increased power Under particular grid conditions resonances may form between the unit s input filter and the grid which may be audible even when the inverter is switched off These noise emissions do not affect the operation of the inverter They do not lead to loss of efficiency failure damage or to a shortening of the unit s service life People with very sensitive hearing particularly children are able to hear the high frequency hum caused by the inverter s operating frequency of approximately 17 kHz Noaction In spite of high The device is too Because the temperatures inside the unit are too high the irradiance the hot and the power inverter reduces its power
6. KACO new energy Menu level Country spec setting All countries Display Setting Interface Action in this menu meaning lf the inverter is a terminal unit Activate termination Bus termination menu item Assign a unique RS485 bus address to the inverter proLOG address menu item The address must not be the same as that of another inverter or a proLOG unit SO pulse rate lo joc Set the pulse rate of the SO connection Activ Relay 33 loc Releases the use of the fault signal relay for internal con sumption control relay 33 1 Enter the password 2 Confirm the entry with the OK button 3 Activate or deactivate the home feed in function NOTICE Activating this option enables the menu item Relay 33 set Relay 33 set Define the switch on power in kW that needs to be available on an uninterrupted basis for 30 minutes before the home feed in is activated Define the switch on time operating time of relay 33 after activation NOTICE This menu item is only available if you have selected the On option for the menu item Activ Relay 33 in the Settings menu Quick start loco joc Reduce the waiting times during the self test by pressing the Activate button Logging interval loc joc Set the time between two log data recordings Log data backup loc T
7. When installing the unit in a control cabinet provide forced ventilation so that the heat is sufficiently dissipated Easily accessible from the front and sides Protected from direct solar irradiance and moisture rain in outdoor areas For easy operation ensure during installation that the display is slightly below eye level Wall Consisting of non cracked cement With sufficient load bearing capacity Accessible for installation and maintenance e Made from heat resistant material up to 90 C Flame resistant Minimum clearance during installation see Fig 5 on page 18 and Fig 6 on page 18 CAUTION Use suitable mounting fixtures Use the supplied anchoring bolts only Mount the inverter in non cracked cement only Mount the inverter upright on a vertical wall only NOTICE Power reduction due to heat accumulation If the recommended minimum clearances are not observed the inverter can have power regulation and a protective shutdown due to insufficient ventilation and the associated heat Maintain minimum clearances Provide for sufficient heat dissipation Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Page 17 Mounting the Inverter K A C 0 eC new energy Authorised electrician Ceilling 620 L A ww E in I B 120 Fig 4 Instructions for wall mounting Fig 5 Drill st
8. The tests should if necessary be conducted by the gird operator You activate the self test in the parameter menu during feed in operation see section 8 3 on page 31 The self test presumes that the inverter is already feeding into the grid so that the shutdown condition can be simulated Do not press the control keys of the inverter during the self test Method in which the shutdown test proceeds The stored undervoltage cut off limit is increased by means of a software ramp function The ramp function has a gradient of 5 V s The software increases the undervoltage cut off limit for as long as the inverter is feeding into the grid according to the specified ramp function As soon as the inverter switches off the software automatically calculates the cut off limit The calculated cut off limit as well as the cut off time and the type of test are transmitted via the RS485 interface to a terminal program The subsequent overvoltage shutdown test is started automatically This test runs according to the same design as the undervoltage shutdown test Frequency is also measured with the procedure described here In this case a software ramp function with a gradient of 0 05 Hz s is used The result of the entire test is sent to the terminal program at the end of the test as well as being in the display of the inverter If a test fails the entire test is cancelled and a corresponding message is issued The test can subsequently be repeated KAC
9. new energy 11 Shutdown Disassembly 111 Shutting down the inverter Lethal voltages are still present in the terminals and leads of the inverter even after the inverter has been switched off and disconnected Severe injuries or death if the leads and terminals in the inverter are touched After shutdown wait at least 5 minutes before working on the inverter When working on photovoltaic modules in addition to disconnecting from the grid always discon nect the DC main switch on the generator junction box or the DC plug connectors Disconnecting the grid voltage is not enough Destruction of the DC plug DC plugs can be destroyed by arcing when being disconnected under load gt Itis absolutely necessary that the shutdown sequence be carried out in the correct order Shutdown sequence 1 Switch off the grid voltage by deactivating the external circuit breakers 2 Disconnect the PV generator using the DC disconnect DANGER The DC leads remain live Ensure that there is no voltage present on the grid connection terminals 1 2 Deinstalling the inverter O Shutdown the inverter 1 Open the connection area Remove the interface cable Release the DC and AC leads from the spring type terminals Open the cable fittings Pull out the leads Thedeinstallation of the inverter is complete Continue with dismantling UR C OM 1 3 Dismantling the inverter O Shutdown the inverter O Deinstall the i
10. requires an external power supply max 30 V DC and an external load relay You obtain both as an R33 switch from your specialist dealer Country specific function 3 2 3 3 Power limitation power control Since 01 01 2009 the German Renewable Energies Act EEG requires power limitation for systems 2100 kW This limit value can be exceeded in a unit group of several inverters Therefore each inverter must have an option for limiting power even if this is not needed in a system that is smaller than 100 kW In KACO new energy GmbH inverters this power reduction is achieved using a ripple control receiver The power supply company can reduce the power of the system remotely if necessary using an addi tional device from the Powador proLOG family The Powador proLOG activates this function which is already integrated in the inverter After a specified period of time without any signal from the power supply company the inverter returns to normal operation For information about Powador proLOG contact your specialist dealer Levels of AC power reduction Inverter action 10096 Normal feed in operation 6096 Limitation of power to 6096 3096 Limitation of power to 3096 096 Disconnection from the grid Page 10 Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Description K A C 0 eC new energy CIT Country specific function 3 2 3 4 Self test in accordance with ENEL grid connection guide Ed 2 1 NOTICE
11. Disconnect the inverter from the PV generator by actuating the integrated DC disconnector Remove the plug connector Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Page 21 Installing the Inverter K A C 0 eC new energy Authorised electrician 7 2 2 1 Before the connection Ensure that there is no ground fault 1 Determine the DC voltage between the protective earth PE and the positive lead of the PV generator protective earth PE and the negative lead of the PV generator If stable voltages can be measured there is a ground fault in the DC generator or its wiring The ratio between the measured voltages gives an indication as to the location of this fault 2 Rectify any faults before taking further measurements 3 Determine the electrical resistance between the protective earth PE and the positive lead of the PV generator protective earth PE and the negative lead of the PV generator Low resistance 2 MO indicates a high ohm ground fault of the DC generator 4 Rectify any faults before connecting the DC generator 7 2 2 7 Connecting the PV generator Risk of fatal injury due to electric shock Severe injuries or death will result if the live connections are touched When there is irradiance DC voltage is present on the exposed ends of the DC leads Do not touch the exposed ends of the leads Avoid short circuits Unscrew the cable fittings Remove the outer cladding of t
12. Some of the documents which are required for registering and approving your photovoltaic PV system are included with the operating instructions 11 2 Retention of documents These instructions and other documents must be stored near the system and be available whenever they are needed 12 Design features 21 Symbols used in this document A General hazard symbol A Risk of fire or explosion High voltage Risk of burns Authorised The tasks indicated with this symbol may only be carried out by an authorised electrician electrician 1 2 2 Description of safety instructions A Imminent danger Failure to observe this warning will lead directly to serious bodily injury or death A Potential danger Failure to observe this warning may lead to serious bodily injury or death A Low risk hazard Failure to observe this warning will lead to minor or moderate bodily injury Page 4 Operating Instructions Powador 16 0 TR3 18 0 TR3_EN General Notes K A C 0 eC new energy CAUTION Hazard with risk of property damage Failure to observe this warning will lead to property damage 1 2 3 Description of additional information Country specific function NOTICE Useful information and notes Functions restricted to one or more countries are labelled with country codes in accordance with ISO 31664 1 2 4 Description of action instructions a One step actions or actions that can be carried out in any sequence Action i
13. display shows the selected data Press any button to return to the previous menu Month display loc All countries Displays the recorded operating data graphically 1 Select a date 2 Press the OK button The display shows the selected data Press any button to return to the previous menu HAN H l Year display a Displays the recorded operating data graphically 1 Select a date 2 Press the OK button The display shows the selected data Press any button to return to the previous menu o HB 2 H7 Save to USB BS In this menu you can export the saved operating data to a connected USB storage device O You have connected a USB storage device to the inverter 1 Select the data to be exported year month or day with the 4 way button 2 Press the OK button The inverter writes the data to the USB storage device Settings menu Es Open the menu Press the right arrow button or the OK button n Language Select the desired language for the user interface All countries Def total yield You can set the total yield to any value for example when you have received a replacement unit and want to continue the recording from the present value Select the Save button and confirm with the OK button Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Page 33 Configuration and Operation
14. new energy 3 2 3 Electrical functions 3 2 31 Fault signal relay A potential free relay contact is integrated in the inverter The contact closes as soon as there is a fault during operation For the connection see section 73 2 on page 25 Country specific function 3 2 3 2 Fault signal relay Relay 33 A potential free relay contact is integrated in the inverter Use this contact for one of the following functions Fault signal relay see above Relay 33 Relay 33 The new version of the German Renewable Energies Act EEG includes compensation for personal consumption of self generated PV energy for plants up to 500 kWp The energy that is provided by the PV system can be put to use directly by the appliances that are connected in your home In Relay 33 mode the potential free contact takes care of this function The contact closes if sufficient PV energy is made available over a period of 30 minutes When the contact closes a visual or acoustic signal is emitted e g from a signal lamp or siren optional Activation of the function optional The Relay 33 function is not active in the unit s delivery state You can obtain the password for the function from your specialist dealer The authorised electrician then activates the function in the configuration menu see section 8 3 2 on page 32 R33 switch optional The potential free contact switches larger appliances e g air conditioning units on and off This
15. overvoltage protector The inverters are not designed for standalone operation Safety related parameters for the automatic disconnecting devices are rou tinely tested on each unit The inverter s grid monitoring conforms with the standard DIN V VDE V 0126 1 1 2006 02 Declaration regarding rated power and maximum output power of photovoltaic inverters Inverter type AC rated power AC peak power Ratio ACRATED in VA ACPEAK in VA ACPEAK ACRATED Powador 16 0 TR3 13 500 13 500 a ESENSE Powador 18 0 TR3 15 000 15 000 A aa The average over 10 minutes is given for the AC peak power Any unauthorised modifications to the supplied units and or any use of the units that is contrary to their proper use shall render this Declaration of Conformity null and void Neckarsulm 23 November 2010 KACO new energy GmbH Matthias Haag CTO Operating Instructions Povvador 16 0 TR3 18 0 TR3 EN Page 55 KACO new energy Notes Page 56 Operating Instructions Powador 16 0 TR3 18 0 TR3_EN KACO new energy Notes Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Page 57 KACO new energy Notes Page 58 Operating Instructions Powador 16 0 TR3 18 0 TR3_EN LOLOL L LO 86LLOOLE TELA ATA TTN M peideoxe suoissiujo pue s10413 sebueup je iuu e1 o1 alqns Buu jo euin Y ye e3ejs e iuupe1 JUSLNI Y 129 jou senBt pue 1xei eu KACO new energy Carl Zeiss StraBe 1 74172 Neckars
16. shock protection class Ill Severe injury or death from improper use of the interface connections and non observance of The SELV circuits SELV safety extra low voltage can only be connected to other SELV circuits with protection class Ill NOTICE When laying the interface connection cable note that too little clearance to the DC or AC leads can cause interference during data transfer Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Page 23 Installing the Inverter K A C 0 eC new energy Authorised electrician Fig 10 Connection area connecting the interfaces Key 1 Ethernet interface Connection for the fault signal relay 2 Cable fittings M16 for interface connections 18 V output 3 Cable fitting M25 for Ethernet cable SO output 4 RS485 interface DIP switch for terminating resistor R USB interface with cover i 0 0o Un 733 Connecting the Ethernet interface NOTICE The connection plug of an RJ45 cable is larger than the opening of an M25 cable fitting when it is installed For this reason remove the sealing insert before installation and thread the Ethernet cable outside of the cable fitting through the sealing insert NOTICE Use a suitable category 5 network cable The maximum length of a network segment is 100 m Ensure that the cable is correctly assigned The Ethernet connection of the inverter supports auto sensing You can use both crossed and 1 1 Ether
17. 0 TR3 18 0 TR3 EN Installing the Inverter K A C 0 eC Making the grid connection wk Wn No new energy Use leads with five wires L1 L2 L3 N PE Unscrew the cable fitting Remove the outer cladding of the AC leads Insert the AC leads through the cable fitting into the connection area Strip the insulation from the AC leads Connect the leads according to the labelling of the PCB terminals figure 8 on page 21 Check that all connected leads are tightly seated BN BK GY BU GNYE Tighten the cable fitting The inverter is now connected to the power grid Fig 8 AC connection terminals NOTICE An AC side disconnection unit must be provided in the final installation This disconnection unit must installed in such a manner that it can be accessed at any time without hindrance If a residual current circuit breaker is necessary due to the installation specification a type A AFI AC DC sensitive residual current circuit breaker must be used 7 2 2 Connecting the PV generator Connect the PV generator in the connection area left Use the cable fittings provided see figure 7 on page 20 Risk of fatal injury due to contact voltages During installation Electrically disconnect the DC positive and DC negative from the protective earth PE Removing the plug connection without previously disconnecting the inverter from the PC generator can result in a hazard to health and damage to the inverter
18. 7 5 on page 27 Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Page 43 Maintenance Troubleshooting K A C 0 eC new energy 9 6 Faults 9 6 1 Procedure A Tm Lethal voltages are still present in the terminals and leads of the inverter even after the inverter has been svvitched off and disconnected Severe injuries or death if the leads and terminals in the inverter are touched When a fault occurs notify an authorised electrician approved by the supply grid operator or KACO new energy GmbH Service The operator can only carry out actions marked with a B Incase of power failure wait for the system to automatically restart Notify your electrician if there is an extended power failure 9 6 2 Troubleshooting Fault Cause of fault Explanation remedy By The display is Line voltage not Check whether the DC and AC voltages are within the per E blank and the available mitted limits see Technical Data LEDs do not Notify KACO Service E light up The inverter Faulty grid separa If the grid separation relay is defective the inverter will recog stops feeding tion relay in the nize this during the self test into the grid inverter shortly after Ensure that there is sufficient PV generator power E being switched on even though Ifthe grid separation relay is defective have it replaced by E there is irradi KACO Service ance Notify KACO Service The inverter is Grid fee
19. O recommends the Tera Term terminal program This software offered as freeware is able to output the results of the shutdown test in a text file A PDF file that also contains a date and time stamp can then be created from this text file The self test runs automatically and can last several minutes After the self test finishes successfully the unit restores the previously set switch off values The inverter automatically starts the feed in process 3 2 4 Mechanical components 3 2 4 1 DC disconnect The DC disconnect is located on the left side of the inverter housing The DC disconnect is used to disconnect the inverter from the PV generator in order to carry out service Disconnecting the inverter from the PV generator Switch the DC disconnect from 1 ON to 0 OFF Connecting the inverter to the PV generator Switch the DC disconnect from 0 OFF to 1 ON 3 2 5 Interfaces The inverter offers the following interfaces for communication and remote monitoring e RS485 interface Ethernet interface USB interface SO interface You configure the interfaces and the web server in the configuration menu see section 8 3 2 on page 32 Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Page 11 Description K A C 0 eC new energy 3 2 5 1 RS485interface Use this monitoring variant if you cannot check the function of the system on site on a regular basis e g if your place of residence is located a great dista
20. TR3 EN Configuration and Operation K A C 0 eC new energy 8 4 2 2 Using the web server To avoid problems with incompatibility use the most recent version of your Internet browser NOTICE You can also access the web server of the inverter via the Internet To do this additional settings of your network configuration particularly your Internet router are required Note that communication with the inverter is carried out over an unsecured connection particularly in the case of a connection over the Internet Calling up the web server Oo Oo ib 2 Configure the Ethernet interface Connect the Ethernet interface Open an Internet browser In the address field of the Internet browser enter the IP address of the inverter and open the site The Internet browser displays the start screen of the web server After it has opened the web server displays information about the inverter as well as the current yield data The web server supports the display of the following measurement data and yield data Feed in power Generator power Status Generator voltage Grid power Unit temperature Grid voltage In order to display and export yield data proceed as follows Select the display period 1 2 Fi 1 Call up the web server Select the display period by choosing one of the buttons day view month view year view or overall view Itering display data day view only Open the web server 2 Select th
21. alue voltage too high OS 61 External ae The external limit Power control was limit TN O activated by the grid operator The inverter limits its power OS 63 Measured values e o P f frequency dependent power reduction Frequency dependent power reduction is activated with the activation of the BDEW Medium Voltage Directive Mittelspannung srichtlinie Power reduction starts at a frequency of 50 2 Hz Table 6 Operating states and fault messages on the display BS operating status FS fault status B Action of the operator E The indicated work must only be carried out by an authorised electrician K The indicated work must be carried out only by a service employee of KACO new energy GmbH Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Page 49 Maintenance Troubleshooting K A C 0 eC new energy Status Display f A Explanation Action By OS 64 Measured values e Output current limiting The AC cur s O rent is limited once the specified maxi mum value has been reached FS 67 Fault e o There is a fault in the power section Notify yourauthor E power section 1 ised electrician FS 70 Fanlierror e Fan 1 is indicating a malfunction Replace defective B O fan see section 9 4 on page 42 FS 71 Fan2error eo Fan 2 is indicating a malfunction page B FS 72 Fan3error eo Fan 3 is indicating a malfunction B FS 73 Standalone grid Standalone mode was detected
22. and down arrow buttons Opening a menu item or a setting Use the right arrow button and the OK button Jump to the next higher menu level discard changes Press the left arrow button or the ESC button Selecting an option Use the right and left arrow buttons Changing an option the value of an input field Use the up and down arrow buttons Saving changed settings Press the OK button Cet dE QUE Act Hour Heck Buel Hee YL UU BUS NE Page 30 Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Configuration and Operation K A C 0 eC new energy 8 2 Initial start up When started for the first time the inverter displays the configuration assistant It takes you through the settings necessary for the initial start up NOTICE After configuration is completed the configuration assistant does not appear again when the inverter is restarted You can then change the country setting only in the password protected parameter menu The other settings can still be changed in the configuration menu NOTICE The sequence of the settings required for initial start up is preset in the configuration assistant Initial configuration In order to select a setting press the up and down buttons To select the next menu item press the OK button To return to the most recently selected menu item press the ESC button Carry out the required settings Press the OK button in the last menu item You have comp
23. ates that the inverter may have been damaged Obvious damage to the inverter 3 Senda damage report to the shipping company immediately The damage report must be delivered to the shipping company in writing within six days following receipt of the inverter We will be glad to help you if necessary 5 2 Transportation Impact hazard risk of breakage to the inverter A Pack the inverter securely for transport Transport the inverter carefully using the the carrying handles of the pallet Do not subject the inverter to shocks Two persons are required for safe transportation of the inverter Use the holding openings in the carton to carry it Fig 3 Transportation of the inverter Page 16 Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Mounting the Inverter K A C 0 eC new energy Authorised electrician 6 Mounting the Inverter Risk of fatal injury from fire or explosions A Fire caused by flammable or explosive materials in the vicinity of the inverter can lead to serious injuries gt Do not mount the inverter in an area at risk of explosion or in the vicinity of highly flammable materials Risk of burns from hot housing components Coming into contact with the housing can cause burns Mount the inverter so that it cannot be touched unintentionally Installation space As dry as possible climate controlled with the waste heat dissipated away from the inverter Unobstructed air circulation
24. ator voltage continuously remains above the power delivery limit of 200 V For the country specific waiting times see section 4 3 on page 15 Page 28 Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Configuration and Operation K A C 0 eC new energy Operating state LEDs Display Description Feed in operation I Povver fed into the grid The green Operating LED is illuminated e O or measured values The green Feed in LED is illuminated A The Feed in icon appears on the n desktop The inverter feeds into the grid Non feed in I Status message The display shovvs the corresponding operation e O message A On Voltage Fault message The display shovvs the corresponding e AN message The red Fault LED is illuminated 8 1 2 Graphical display The graphical display shows measured values and data and allows the configuration of the inverter using a graphi cal menu In normal operation the backlighting is switched off As soon as you press one of the control buttons the backlight is activated If no button is pressed for an adjustable period of time it switches off again You can also activate or deactivate the backlighting permanently In sleep mode the inverter deactivates the display regardless of the selected setting NOTICE Depending on the tolerances of the measuring elements the measured and displayed values are not always the actual values However the measuring elements ensure maximum solar yield Due
25. communication board It is used for supplying power to external sensors or similar devices Connecting the 18 V output 1 Unscrew the cable fitting see figure 10 on page 24 2 Thread the connection cable through the cable fitting 3 Connect the connection cable to the connection terminals 4 Tighten the cable fitting 73 4 Connecting the SO output An SO pulse output is located on the communication board Use this output to control accessories such as a large display for example The pulse rate of the output is adjustable in the configuration menu Connecting the SO output 1 Unscrew the cable fitting see figure 10 on page 24 2 Thread the connection cable through the cable fitting 3 Connect the connection cable to the connection terminals 4 Tighten the cable fitting Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Page 25 Installing the Inverter K A C 0 eC new energy Authorised electrician 73 5 Connecting the RS485 bus NOTICE O Ensure that the A and B wires are properly connected Communication is not possible if the wires are reversed 7 3 51 Wiring diagram Powador Powador Powador Powador Communication Inverter Inverter Inverter proLOG Terminal unit 230 V AC ABAB ABAB ABAB AB i Fig 1 RS485 interface wiring diagram NOTICE Various manufacturers interpret the standard on which the RS485 protoc
26. d is inter Due to a grid fault grid impedance too high over undervolt active but does rupted due toa age over underfrequency the inverter stopped the grid feed not feedinto the grid fault and disconnected from the grid for safety reasons grid The display indicates a line failure Change the line parameters within the permitted operat E ing limits see the Start Up section Table5 Troubleshooting B Action of the operator E The indicated work must only be carried out by an authorised electrician K The indicated work must only be carried out by a service employee of KACO new energy GmbH Page 44 Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Maintenance Troubleshooting KACO new energy Fault Cause of fault Explanation remedy By The line fuse The line fuse In cases of high irradiance the inverter exceeds its rated cur trips capacity is too rent for a short period depending on the PV generator low Select the capacity of the inverter s pre fuse to be some E what higher than the maximum feed in current see the Installation section Contact the grid operator if the grid failure constantly E occurs Damage to the If the line fuse trips immediately when the inverter goes into inverter s hard feed in mode after the start up period is complete the invert ware er s hardware is probably damaged Contact KACO Service to test the hardware E The in
27. devices for electromechanical and electronic meters The SO interface pulse rate can be chosen in three unit intervals 500 1 000 and 2 000 pulses kWh Page 12 Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Technical Data 4 Technical Data 4 1 Electrical data KACO new energy Input Levels 16 0 TR3 18 0 TR3 Max PV generator power W 16 000 18 000 DC MPP range from V to V 200 to 510 Minimum DC voltage V 200 Number of strings 9 Number of MPP controls 3 Polarity safeguard Short circuit diode DC overvoltage category OVCII Output Levels Rated power VA 13 500 15 000 Max power VA 13 500 15 000 Grid voltage V 230 400 Rated current A 3x 19 5 3x 21 7 Max current A 3x 19 5 3 x 21 7 Rated frequency Hz 50 60 cos phi 0 80 inductive to 0 80 capacitive Number of feed in phases 3 Distortion factor lt 3 AC overvoltage category OVCIII General electrical data Max efficiency 96 2 European efficiency 95 6 Internal consumption standby W lt 10 Internal consumption night W 1 9 Feed in starts at W 180 Circuit design Self commutated galvanically isolated RF transformer Transformer unit Yes Grid monitoring Country specific CE conformity Yes Clock frequency kHz 17 Table 1 X Electrical data Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Page 13 Technical Data 4 2 Mechan
28. e Standard Switch ontime Restarttime after Restart time range accordingto frequency afterrestart feed in power that after fault V EN 50160 range s is too low s s V Hz 190 to 264 253 47 5 to 50 2 gt 60 180 gt 30 CES 196 to 254 49 0 to 51 0 gt 180 gt 180 gt 180 CIT 190 to 264 49 7 to 50 3 180 180 gt 30 190 to 264 253 49 5to50 5 gt 60 gt 180 gt 30 CD 208 to 252 49 5 to 50 5 gt 180 gt 180 gt 180 190 to 264 49 5 to 50 5 gt 180 gt 180 gt 180 194 to 242 59 7 to 60 3 gt 360 gt 360 gt 360 CD 196 to 252 253 47 0 to 51 0 gt 60 180 gt 30 196 to 264 253 47 0 to 51 0 gt 60 gt 180 gt 30 196 to 264 47 0 to 51 0 gt 60 gt 180 gt 30 approx values Table 3 Country specific parameter settings Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Page 15 Transportation and Delivery K A C 0 eC new energy 5 Transportation and Delivery 51 Delivery Every inverter leaves our factory in proper electrical and mechanical condition Special packaging ensures that they are transported safely The shipping company is responsible for any transport damage that occurs Scope of delivery 1Powador inverter 1 wall bracket e linstallation kit 1grounding bridge 1documentation set Checking your delivery 1 Inspect your inverter thoroughly 2 Immediately notify the shipping company in case of the following Damageto the packaging that indic
29. e day view 3 Toshow or hide measured values select or deselect the corresponding checkboxes in the Select display area Exporting data 1 Filterthe display data if necessary 2 Select the display period if applicable day month year or overall view 3 Click the Export data button 4 Save the file NOTICE Regardless of the display data selected in the Select display area an export file always contains all measurement data and yield data available for the selected period Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Page 39 Configuration and Operation K A C 0 eC new energy 8 Performing a software update You can update the software of the inverter to a new version via the integrated USB interface Us a FAT32 formatted USB stick to do this Do not use any storage media such as an external hard disk with an external power supply NOTICE Ensure that the power supply of the AC and DC sides is active It is only possible to update all compo nents of the inverter to the most current software version in this operating state CAUTION Damage to the inverter The update can fail if the power supply is interrupted during the update process Parts of the software or of the inverter itself can then be damaged Do not interrupt the DC and AC power supply during the update process Preparing for the software update 1 Download the software update file from the KACO web site and store it on your ha
30. e generator 2 e o power is too high the inverter limits itself to the maximum power e g in the midday hours if the generator has been too largely dimensioned OS 29 Checkground e A ground fault was detected on the Check the PV gen E fault fuse O DC side erator FS 30 Voltage O The current and voltage measure 7 trans fault ments in the inverter are not plausible FS 32 Fault The internal grid separation relay test Notify your author E O h MEAE Self test as failed ised electrician if the fault occurs several times FS 33 Fault The DC feed in has exceeded the Notify yourauthor E DC feed in o e permitted value This DC feed in can ised electrician if the be adopted from the grid onto the fault occurs several inverter so that no fault occurs times FS 34 Internal commu e A communication error has occurred Notify yourauthor E nication error O in the internal data transmission ised electrician Check the data cable FS 35 Protect shut Protection shutdown of the software Nota fault down SW O AC overvoltage AC overcurrent DC Grid related shutdown link overvoltage DC overvoltage DC the grid connects again overtemperature automatically FS 36 Protect shut O Protection shutdown of the hardware Nota fault down HW AC overvoltage AC overcurrent DC Grid related shutdown link overvoltage the grid connects again automatically FS 38 Generator over The voltage of the DC generator istoo Notify yo
31. e the fan from the housing Install the replacement fan Fig 15 Removing the side housing cover Page 42 Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Maintenance Troubleshooting K A C 0 eC new energy Installing the fan O You have removed the defective fan Replace the fan only with a fan recom mended by KACO Ask KACO Service if necessary Attach the rubber collar to the replacement fan figure 16 on page 43 Ensure that the rubber collar is correctly seated 1 Insert the replacement fan into the fan holding fixture figure 17 on page 43 2 Move the fan to the side until it locks into the fan holding fixture Fig 16 Rubber collar Fig 17 Replacing the fan 3 Plugin the fan plug Place the side housing cover on the unit 5 Fasten the side housing cover to the unit with the Torx screws 6 Checkthat the fittings are secure and that the terminals are well seated Thereplacement fan is ready for operation 7 Switch on inverter as described in section 74 on page 27 9 5 Replacing the ground fuse Replacing the ground fuse Open the connection area see section 71 on page 19 Ensure complete disconnection on the AC and DC sides Remove defective fuse from fuse holder Insert the replacement fuse into the fuse holder wk WN Se Close the connection area see section 7 4 on page 27 The fuse has been replaced 6 Switch on the inverter see section
32. encil for wall mounting with minimum clearances in mm Clearance from ceiling 500 mm Clearance from another inverter 700 mm 4 a 500mm Clearance from ceiling 500 mm Clearance from another inverter 700 mm Fig 6 Minimum clearances mounting plate Key E Suspension brackets back of housing 3 Anchoring bolts 2 Mounting plate Page 18 Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Installing the Inverter K A C 0 eC Mounting the Inverter ib p 7 new energy Mark the positions of the drill holes using the cut outs in the mounting plate Attach the mounting plate to the wall with the anchoring bolts and nuts Make sure that the mounting plate is oriented correctly Hang the inverter on the mounting plate using the suspension brackets on the back of the housing The mounting of the inverter is complete Continue with the installation Installing the Inverter 71 Lethal voltages are still present in the terminals and leads of the inverter even after the inverter has been switched off and disconnected Severe injuries or death if the leads and terminals in the inverter are touched Only authorised electricians who are approved by the supply grid operator may open and install the inverter The inverter must be mounted in a fixed position before being connected electrically Observe all safety regulations and the currently applicable technical connection speci
33. err O OS 74 External idle le The grid operator limits the feed in power require NS O power of the inverter ment Table6 Operating states and fault messages on the display BS operating status FS fault status B Action of the operator E The indicated work must only be carried out by an authorised electrician K The indicated work must be carried out only by a service employee of KACO new energy GmbH Page 50 Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Service K A C 0 eC new energy 10 Service We place special emphasis on the quality and longevity of our inverters starting even in the product development phase More than 60 years of experience in the field of power converters support us in this philosophy However in spite of all quality assurance measures faults may occur in rare cases In such cases KACO new energy GmbH will provide you with the maximum possible support KACO new energy GmbH will make every effort to remedy such faults in an expeditious manner and without a great deal of bureaucracy If you need help solving a technical problem with one of our KACO products please contact our service hotline Please have the following information ready so that we can help you quickly and efficiently Inverter type serial number Fault message shown on the display Description of the fault Did you notice anything unusual What has already been done to analyse the fault Module type and
34. es the inverter switches off Set limit values for underfrequency and overfre quency in 0 1 Hz steps DC starting volt The inverter begins feed in as soon as this PV voltage is present Set the starting voltage Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Page 35 Configuration and Operation KACO new energy Menu level Country spec setting o Hill All countries Display Setting Grnd flt monitor Action in this menu meaning One pole of the PV generator is grounded in the device using a fuse The ground fault monitor is triggered in the event of a ground fault in the generator This pre vents possible damage to the modules NOTICE Activate ground fault monitoring only if you have grounded one pole of the PV generator see section 72 3 on page 22 Activate or deactivate ground fault monitoring HHE Const volt ctrl loc loc Lets you deactivate the MPP seek mode in order to operate the inverter with a constant DC voltage Activate or deactivate MPP seek mode Set value for constant voltage control 200 510 V 1 Overvoltage shutd loc loc Specify the switch off threshold for overvoltage shutdown 2 a Undervoltage shutd lo joc Specify the switch off threshold for fast undervolt age shutdown Specify the switch off threshold for slow undervolt age s
35. fications of the responsible power supply company Disconnect the AC and DC sides Secure them against being inadvertently switched back on Assure that the AC and DC sides are completely voltage free Connect the inverter only after the aforementioned steps have been taken Opening the connection area Opening the connection area o AWN 7 2 You have mounted the inverter on the wall Unscrew the four Torx screws on the front side of the connection cover blue Remove the connection cover Remove the grounding cable lug from the grounding point of the housing Pull down the connection cover Carry out the electrical connection Carrying out the electrical connection Make the connection to the PV generator as well as the grid connection via the PCB terminals in the connection area of the inverter Maintain the following conductor cross sections AC connection DC connection Max conductor cross section without wire sleeves 16 mm 16 mm Max conductor cross section with wire sleeves 10 mm 10 mm Length of insulation to be stripped off 10 mm 10 mm Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Page 19 Installing the Inverter K A C 0 eC new energy Authorised electrician N w Fig 7 Connection area Electrical connection Key 1 DC connection terminals 4 DC disconnect 2 Grounding terminals for PV generator 5 Cable fitting M40 for DC connection 3 AC connection term
36. he DC leads Insert the DC leads through the cable fittings into the connection area Strip the insulation from the DC leads Connect the ends of the leads to the connections PV and PV Check that all connected leads are tightly seated Tighten the cable fittings Meet the requirements of protection rating IP54 by closing the unused cable fittings with blind caps The inverter is connected to the PV generator 9 M Qo uBwNM c Y 72 3 Grounding the PV generator optional Various manufacturers stipulate that the PV generator must be grounded You can find out which pole you need to ground from the manufacturer of the photovoltaic modules The full bridge needed for the grounding of the posi tive or negative poles of the PV generator is included with the unit The required fuse is already installed in the unit Risk of fatal injury due to electric shock Severe injuries or death will result if the live connections are touched A Disconnect the inverter from all power sources Wait at least five minutes before working on the inverter Then start with the grounding of the system Page 22 Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Installing the Inverter K A C 0 eC Mounting the full bridge new energy GFDI ground fault detector interrupter ground fault monitoring The inverter supports ground fault monitoring of the non grounded pole You can activate or deac tivate this option in the parame
37. he inverter 8 4 1 1 Reading log data NOTICE The USB interface is approved solely for use with USB flash memories USB sticks The maximum available current is 100 mA If a device with a higher power requirement is used the power supply for the USB interface automatically shuts down to protect the inverter from damage Reading log data 1 Connect a suitable USB storage device to the USB interface on the underside of the inverter 2 Open the Log data display menu 3 Select the Save to USB item 4 Select the desired log data using the 4 way button 5 Press the OK button The inverter saves the selected log data to the USB storage device 8 4 0 Webserver The inverter has an integrated web server After configuring the network and activating the web server in the configuration menu you can open the web server from an Internet browser The language version of the web site delivered by the browser is adapted to the pre set language preferences in your Internet browser If your Internet browser requests a language that is unknown to the inverter the web server uses the menu language set in the inverter 8 4 21 Setting up the web server Configuring the Ethernet interface O You have connected the inverter to your network Open the Settings Ethernet menu Assign a unique IP address Assign a subnet mask Assign a gateway RUM Save your settings Page 38 Operating Instructions Powador 16 0 TR3 18 0
38. he inverter supports the backing up of all recorded yield data to a connected USB storage device Activate or deactivate log data backup All countries Display Configure the contrast setting for the display Set the length of time without user input after which the backlighting of the LCD switches off Alternatively activate or deactivate backlighting permanently by selecting On or Off Date amp time Set the time and date NOTICE For self diagnostic purposes the inverter car ries out a daily restart at midnight To avoid having a restart occur during feed in operation and to always obtain reliable log data ensure that the time is correctly set Ethernet loc loc Assign a unique IP address Assign a subnet mask Assign a gateway Page 34 Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Configuration and Operation KACO new energy Country Menu Display Action in this menu meaning spec setting level Setting All countries Web server ec Activate or deactivate the integrated web server Press the right arrow button or the OK button NOTICE The inverter does not display the Parameters menu in the standard configuration To display the Parameters LL menu menu 1 Open the menu 2 Simultaneously hold down the up and down but tons for several seconds 1 In
39. hutdown gt e Activate FRT loc loc The inverter supports dynamic grid stabilization Fault Ride Through in accordance with the BDEW Medium Voltage Directive Specify constant k Specify the dead band Activate or deactivate FRT Idle power Open the menu Press the right arrow button or the OK button i cos phi specification loc Configure power factor Ifa power factor not equal to 1is selected Select the type of phase shift inductive capacitive a Q specification loc loc Set the idle power Q in to a fixed value Select the type of phase shift inductive capacitive Le cos phi P Pn Open the menu Press the right arrow button or the OK button 2 HA Number of support points lo es loc This option defines how many support points can be defined in the subsequent menu Specify the number of support points for the idle power characteristic curve 1 Support point Lo HL H2 HE 2 Support point Specify the power factor for the first second support point Ifa power factor not equal to 0 is selected Select the type of phase shift inductive capacitive Page 36 Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Configuration and Operation KACO new energy Country Menu Display Action in
40. ical data RACO L new energy 16 0 TR3 18 0 TR3 LCD graphical display 3 LEDs Display Controls 4 way key 2 keys Ethernet USB RS485 SO Interfaces Fault signal relay Potential free NO contact max 30 V DC 1 A or 250 V AC 1 A AC connections PCB terminal AC connections Cable connection PCB terminals inside the unit max cross section 6 mm flexible 10 mm rigid Cable connection via M40 cable fitting DC connections PCB terminal PCB terminals inside the unit max cross section 10 mm flexible 16 mm rigid DC connections Cable connection Cable connection via M16 cable fitting Cable connection via M25 cable fitting Ethernet connection Cable connection Ambient temperature range C Humidity range non condensing 96 25 to 60 Oto 95 2 000 Maximum installation elevation m above sea level Temperature monitoring Yes l Cooling free convection K fan L IP 54 Protection rating according to EN 60529 Degree of contamination Noise emission dB A PD2 lt 45 noiseless without fan operation DC disconnect Housing Built in Cast aluminium 945 x 510 x 269 HxWxD mm Total weight kg Approx 80 Table 2 Mechanical data Page 14 Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Technical Data KACO new energy 4 3 Country specific parameter settings Grid voltage Gridvoltag
41. inals 6 Cable fitting M40 for AC connection 7 21 Connecting the inverter to the power grid The grid connection leads are connected on the right in the connection area see figure 7 Risk of fatal injury due to electric shock Severe injuries or death will result if the live connections are touched Disconnect the inverter from all power sources before you insert the grid power lead into the unit Recommended conductor cross sections and fuse protection of NYM leads for fixed wiring according to VDE 0100 part 430 For lead lengths up to 20 m use the conductor cross sections listed in table 4 Longer lead lengths require larger conductor cross sections Model Conductor cross Fuse protection NEOZED safety fuses gL section or comparable automatic circuit breakers Powador 16 0 TR3 6 0 mm 35 A for 6 0 mm conductor cross section Powador 18 0 TR3 6 0 mm 35 A for 6 0 mm conductor cross section Table 4 Recommended conductor cross sections and fuse protection of NYM leads NOTICE When the lead impedance is high i e long grid side leads the voltage at the grid terminals of the inverter will increase during feed in to the grid The inverter monitors this voltage If it exceeds the country specific line overvoltage limit value the inverter switches off Ensure that the lead cross sections are sufficiently large or that the lead lengths are sufficiently short Page 20 Operating Instructions Powador 16
42. ing the Inverter K A C 0 eC new energy Authorised electrician 7 3 5 2 Activating the terminating resistor switches 1 and 2 on the connection circuit board Activate the terminating resistor in the inverter that represents the terminal unit within your wiring diagram NOTICE Always activate the terminating resistor in the terminal unit using the left DIP switch 1 Sample connection DIP switch Switch 1 Switch 2 The inverter is the terminal unit ABAB ON ON OFF Activate R pao y 2 The inverter is not the terminal unit ABAB ON OFF OFF Deactivate R Eae 74 Sealing the connection area 1 Placethe grounding cable lug on the grounding point of the housing 2 Place the connection cover on the connection area of the inverter 3 Screwin the four Torx screws on the front side of the connection cover blue 75 Starting upthe inverter Lethal voltages are still present in the terminals and leads of the inverter even after the A inverter has been svvitched off and disconnected Severe injuries or death if the leads and terminals in the inverter are touched Only authorised electricians who are approved by the supply grid operator may start up the inverter 753 Switching on the inverter O The inverter has been mounted and electrically installed O The cover for the connection area is grounded and closed O The PV generator is supplying a voltage gt 200 V 1 Connect the g
43. leted the initial configuration The inverter begins to operate 8 3 Menu structure 8 31 Display on the LCD 1 2 Main menu Generator Settings Grid Information Power control 4 Vendor Unit temperature Yield counter Yield today Total yield Fig 14 Main menu Key 1 Display of the menu level 0 1 2 3 Active menu example main menu 2 Designation of the active menu 4 Menu items of the next lower menu level Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Page 31 Configuration and Operation 8 3 2 Menu structure Icons used oH1H2H Menu level 0 1 2 3 KACO new energy i Submenu available c Display menu Country specific setting E Option menu Country and grid type specific setting amp Password protected menu Country Menu Display Action in this menu meaning spec setting level Setting Desktop Desktop L Press the right arrow button 14245 Measurements EE Open the menu Press the right arrow button or the menu OK button All countries Lo Generator Displays the DCside voltage amperage and power Grid amp Displays the ACside voltage amperage and power Powarromrol 5 Displays the current value of the external power limitation by the grid operator Displays the current remaining time of relay 33 After this period elapses the inverter deactivates relay 33 Lo El Relayremain time LD This menu i
44. ls The following table lists the possible status and fault signals that the inverter shows on the LCD and the LEDs Status Display A Explanation Action By OS 1 Waiting for feed Self test Grid parameters and genera in O O0 tor voltage are being checked OS 2 Generator voltage Insufficient generator voltage and E too low O O0 power status before the transition to night shutdown OS 7 Self test Checks the shutdown of the power O O electronics as well as the line relay before feed in mode The self test OS 75 Self test consists of three successive individual O O tests with the status 7 75 and 8 OS 8 Self test O O FS 10 Temperature in O e In case of overheating the inverter Cooloffthe vicinity B unit too high switches off Possible causes of the inverter Ambient temperature too high Uncover the fans B Fans covered Notifyyourauthor E Table6 Operating states and fault messages on the display BS operating status FS fault status B Action of the operator E The indicated work must only be carried out by an authorised electrician K The indicated work must be carried out only by a service employee of KACO new energy GmbH Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Page 47 Maintenance Troubleshooting KACO e new energy Status Display f A Explanation Action By OS 11 Measured values Power limitation If th
45. mag EN 61000 6 2 2005 netic compatibility Emitted interference EN 61000 6 3 2007 EN 61000 6 4 2007 Secondary effects on EN 61000 3 2 2006 the grid EN 61000 3 12 2005 EN 61000 3 3 2008 EN 61000 3 11 2000 applicable for models lt 16 A applicable for models 16 A Directive for connection and paral 4 edition 2001 lel operation of in system genera tion on the low voltage grid Grid monitoring DIN V VDE V 0126 1 1 2006 02 NOTICE The declaration of conformity can be found in the appendix Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Page7 Description K A C 0 eC new energy 3 Description 31 How it works The inverter converts the DC voltage generated by the PV modules into AC voltage and leads this into the grid feed in The feed in process begins when there is sufficient irradiance and a specific minimum voltage is present in the inverter If as nightfall approaches the voltage drops below the minimum voltage value feed in mode ends and the inverter switches off 3 2 Unitdescription 3 21 Powador inverter as part of a PV system 3 211 System layout PV generator PV generator Powador with Powador with DC disconnect DC disconnect Fuse Fuse Apartment Reference Feed in meter meter KWh KWh Main switch EN EN Selective main switch
46. nce from the system To connect the RS485 interface contact your authorised electrician For monitoring your PV system using the RS485 interface KACO new energy GmbH offers the following units Powador proLOG S to XL optional Powador proLOG allows you to monitor up to 31 inverters simultaneously Depending on the product version Powador proLOG sends yield and operating data by SMS or e mail Powador link RS485 optional Use the Powador link RS485 to bridge long distances between several inverters or between an inverter and the Powador proLOG by means of wireless radio transmission 3 2 5 2 Ethernet interface Monitoring can occur directly on the unit using the integrated Ethernet interface A local web server is installed in the unit for this purpose For monitoring a system comprising several inverters we recommend you use an external data logging and moni toring system 3 2 5 3 USBinterface The USB connection of the inverter is a type A socket It is located on the connection board on the underside of the inverter under a cover The USB connection is specified to draw 100 mA of power Use the USB interface for reading out stored operating data and loading software updates using a FAT32 formatted USB stick 3 2 5 4 SOinterface The SO interface transmits pulses between a pulsing counter and a tariff metering unit It is a galvanically isolated transistor output It is designed according to DIN EN 62053 31 1999 04 pulse output
47. net connection cables Connecting an Ethernet cable to the inverter Unscrew the cable fitting see figure 10 on page 24 and remove the lock Remove the sealing insert from the cable fitting Thread the Ethernet cable through the lock of the cable fitting and the sealing insert Thread the Ethernet cable through the cable fitting inside the housing Connect the Ethernet cable to the Ethernet interface see figure 10 on page 24 Insert the sealing insert into the cable fitting Attach and tighten the lock of the cable fitting s OS Em go EO FO Page 24 Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Installing the Inverter K A C 0 eC new energy Authorised electrician Connecting the inverter with the network O Connect the Ethernet cable to the inverter O Configure the Ethernet interface Connect the Ethernet cable to the network or a computer Configure the Ethernet settings and web server in the Settings menu see section 8 3 on page 31 7 3 2 Connecting the fault signal relay The contact is designed as an N O contact and is labelled ERR on the circuit board Maximum contact load e DC 30V I A AC 250V I A Connecting the fault signal relay 1 Unscrew the cable fitting see figure 10 on page 24 2 Thread the connection cable through the cable fitting 3 Connect the connection cable to the socket 4 Tighten the cable fitting 7 3 3 Connecting the 18 V output An 18 V output is located on the
48. nstructions O Prerequisite s for your action s optional Carry out action Additional actions if applicable Result of your action s optional b Multi step action instructions that must be carried out in a fixed sequence Action instructions O Prerequisite s for your actions optional 1 Carry out action 2 Carry out action 3 Additional actions if applicable Result of your actions optional 1 2 5 Abbreviations PV Photovoltaics EEG German Renewable Energies Act MPP Maximum power point point of the current voltage diagram of a PV generator at which the maximum amount of power can be drawn Colour codes in accordance with IEC 60757 BK Black BN Brown BU Blue GNYE Green yellow GY Grey Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Page 5 Safety KACO C new energy 2 Safety Lethal voltages are still present in the terminals and leads of the inverter even after the inverter has been switched off and disconnected Severe injuries or death if the leads and terminals in the inverter are touched Only authorised electricians who are approved by the supply grid operator may open install and maintain the inverter Keep the inverter closed when the unit is in operation Do not touch the leads and terminals when switching the unit on and off Do not make any modifications to the inverter The electrician is responsible for observing all existing standards and regula
49. nverter 1 Takethe inverter down from the mounting plate 2 Securely pack up the inverter if it is to be used later or have the inverter professionally disposed of see chapter 12 on page 53 Page 52 Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Disposal K A C 0 eC new energy 12 Disposal For the most part both the inverter and the corresponding transport packaging are made from recyclable raw materials 121 Unit Do not dispose of faulty inverters or accessories together with household waste Ensure that the old unit and any accessories are disposed of in a proper manner 12 2 Packaging Ensure that the transport packaging is disposed of properly Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Page 53 Documents 13 Documents 13 1 KACO new energy EU Declaration of Conformity Manufacturer s name and address KACO new energy GmbH Carl Zeiss StraBe 1 74172 Neckarsulm Germany Product description Type description Photovoltaic feed in inverter Powador 16 0 TR3 18 0 TR3 This is to confirm that the units stated above are compliant with the protection requirements set forth in the Direc tive of the European Parliament and of the Council of 15 December 2004 on the harmonization of the laws of the Member States relating to electromagnetic compatibility 2004 108 EC and the Low Voltage Directive 2006 95 EC The units are compliant with the following standards 2006 95 EC
50. ol is based in differing ways Note that the wire designations and for wires A and B can vary between manufacturers NOTICE Calculating efficiency by measuring the current and voltage values leads to unusable results due to the tolerances of the measurement devices The sole purpose of these measured values is to monitor the basic operation of the system Connecting the RS485 bus Maximum length of the RS485 wiring 1 200 m under optimal conditions Maximum number of connected bus devices 31inverters 1 data monitoring unit Use shielded twisted data lines Recommendation using wire sleeves LI2YCYv TP black for laying cable outside and in the ground 2 x 2 x 0 5 LI2YCY TP grey for dry and moist indoor spaces 2 x 2 x 0 5 Unscrew the cable fitting see figure 10 on page 24 Thread the connection cable through the cable fitting Connect the connection cable to the connection terminals provided see figure 10 on page 24 BM Connect the following to all inverters and Powador proLOG as follows Wire A with wire A and Wire B with wire B see figure 11 on page 26 Tighten the cable fitting 6 Activate the terminating resistor on the terminal unit on NOTICE a When using the RS485 bus system assign a unique address to every bus device inverter sensor and terminate the terminal units see the Settings menu Page 26 Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Install
51. put the four character password via the 4 way All countries HE button The password is unit specific 8 2 Confirm the entry with the OK button Country 3 Setthe desired country setting NOTICE This option influences the country specific operating settings of the inverter Please consult KACO service for further information HHH Grid type a Select the type of grid applicable to the use of the guideline E inverter Switch off volt The inverter is equipped with redundant 3 phase moni toring If the line voltage drops below the value set for Minimum line voltage the inverter switches off The minimum cut off threshold can be set in 1 V increments Configure the switch off values for undervoltage and overvoltage Grid shutd EN50160 The grid voltage is recorded and averaged over ten min utes If the set value is exceeded the inverter is discon nected from the grid Specify the voltage threshold de Bas Cae Voltage drop joc loc The voltage drop between the inverter and the feed in meter is added to the limit value that was set for grid shutdown according to EN 50160 The limit value can be set from 0 to 11 Vin 1 V increments Specify the switch off value for the voltage drop 0 to 11 V All countries CH H3 Switch off freq The inverter monitors the line frequency continuously If the line frequency exceeds or drops below the config ured valu
52. r A Serious injuries or death if moisture enters the inverter Only use objects that are free of moisture to clean the inverter The inverter should only be cleaned on the outside Cleaning the inverter Do not use compressed air Use a vacuum cleaner or a soft brush to remove dust from the fan cover and from the top of the inverter on a regular basis Remove dust from the ventilation inlets if necessary Authorised electrician 9 3 Shutting down for maintenance and troubleshooting Lethal voltages are still present in the terminals and leads of the inverter even after the inverter has been switched off and disconnected Severe injuries or death if the leads and terminals in the inverter are touched When there is irradiance DC voltage is present on the exposed ends of the DC leads Arcing may occur if the DC leads are disconnected while under a load Only authorised electricians who are approved by the supply grid operator may open and maintain v the inverter Observe all safety regulations and the currently applicable technical connection specifications of the responsible power supply company Disconnect the AC and DC sides Secure the AC and DC sides from being switched on again v v v Do not touch the exposed ends of the leads Avoid short circuits v v Do not open the inverter until after these two steps are complete v After shutdown wait at least 30 minutes before working on the inve
53. rd disk 2 Extract the update file ZIP completely onto the USB stick Perform software update Performing the software update O Prepare for the software update O Ensure supply of DC and AC power 1 Connect USB stick to the inverter The message Configuration found Do you want to load appears on the display 2 If you would like to perform the update select the Yes button The inverter begins the update The update can take several minutes The Operating LED flashes during the update process The inverter may restart several times The update is finished when the desktop is shown on the display screen The inverter then returns to feed in mode You can check to see if the update was successful in the menu Displaying the software version Open the Information SW version menu The inverter will display the versions and checksums of the software that is currently loaded Page 40 Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Maintenance Troubleshooting K A C 0 eC new energy 9 Maintenance Troubleshooting 91 Visual inspection Inspect the inverter and the leads for visible damage and pay attention to the operating status display of the inverter In case of damage notify your installer Only authorised electricians may make repairs NOTICE Have your installer check for proper operation of the inverter at regular intervals 9 2 External cleaning Lethal voltages in the inverte
54. rid voltage using the external circuit breakers 2 Connect the PV generator using the DC disconnect 0 1 The inverter begins to operate During the initial start up Follow the instructions of the New Connection Wizard see section 8 2 on page 31 Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Page 27 Configuration and Operation K A C 0 eC new energy 8 Configuration and Operation 81 Controls The inverter has a backlit LCD as well as three status LEDs The inverter is operated using six buttons POWADOR MADE IN GERMANY 5 1 2 3 6 2 7 Fig12 Control panel Key 1 Operating LED 5 4 way button 2 Feed in LED 6 OK button 3 Fault LED 7 ESC button 4 LCD 8 1 1 LED indicators The three LEDs on the front of the inverter show the various operating states The LEDs can take on the following states Q LEDilluminated OS LEDflashing O LED not illuminated The LED indicators show the following operating states Operating state LEDs Display Description Start I The green Operating LED is on vvhen AC e O voltage is present independent of the DC voltage Feed in start I Povver fed into the grid The green Operating LED is illuminated e O or measured values The green Feed in LED is illuminated after the country specific waiting period The inverter is ready to feed in i e is on the grid You can hear the line relay switch on n a The waiting period ensures that the gener
55. rter Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Page 41 Maintenance Troubleshooting K A C 0 eC new energy CAUTION Destruction of the DC connection The connection terminals can be destroyed by arcing if disconnected under load gt It is absolutely necessary that the shutdown sequence be carried out in the correct order Shutting down the inverter 1 Switch off the grid voltage by deactivating the external circuit breakers 2 Disconnect the PV generator using the DC disconnect DANGER The DC leads remain live Ensure that there is no voltage present on grid connection terminals Authorised electrician 9 4 Replacing or cleaning the fans The inverter is equipped with three axial fans They are located next to each other in the lower area of the housing Replace the fan n case of heavy soiling fitis defective Removing the fans 1 Ensure complete disconnection on the AC and DC sides io Wait until the fans are no longer turning If you want to replace the left fan Open the housing cover on the left side If you want to replace the right or centre fan Open the housing cover on the right side 3 Unscrew the Torx crews of the side housing cover figure 15 on page 42 Remove the side housing cover Unplug the fan plug Push the fan horizontally away from the fan plug Nou a Release the fan from the fan holding fixture figure 17 on page 43 8 Remov
56. s too low Notify yourauthor E undervolt L3 the grid cannot be fed into The phase ised electrician experiencing failure is displayed FS 46 Line failure O The voltage of a grid phase is too high Notify your author E overvolt L3 9 the grid cannot be fed into ised electrician The phase experiencing failure is dis played FS 47 Line failure e The measured line to line voltage is line to line volt O outside of the tolerance limits FS 48 Line failure o e Grid frequency is too low Notify yourauthor E underfrequency This fault can be grid related ised electrician FS 49 Line failure o Grid frequency too high Notify yourauthor E overfrequency This fault can be grid related ised electrician FS 50 Line failure o e The grid voltage measurement accord Notify your author E average voltage ing to EN 50160 has exceeded the ised electrician maximum permitted limit value FS 57 Waiting for o e Waiting time of the inverter after a Inverter does not switch reactivation fault on again until a coun try specific time has elapsed FS 58 Control board O e The temperature inside the unit was Provide for sufficient E overtemp too high The inverter switches off to ventilation prevent damage to the hardware FS 59 Selftest error A fault occurred during a self test Notify yourauthor E O ised electrician OS 60 Generator o e The inverter does not begin feeding into the grid until the PV voltage falls below a specified v
57. se lethal hazards for the operator or third parties or may result in damage to the unit and other prop erty Operate the inverter only with a permanent connection to the public power grid Any other or additional use is not considered the proper use This includes Mobile use Usein rooms where there is a risk of explosion Usein rooms where the humidity is higher than 9596 Operation outside of the specification intended by the manufacturer Standalone operation Page 6 Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Safety KACO C new energy 2 2 Protection features For your safety the following monitoring and protective functions are integrated into Powador inverters Overvoltage conductors varistors to protect the power semiconductors from high energy transients on the grid and generator side Temperature monitoring of the heat sink e EMC filters to protect the inverter from high frequency grid interference Grid side grounded varistors to protect the inverter against burst and surge pulses Islanding detection according to VDE 0126 1 1 2 3 Standards and directives The inverter is labelled with the CE mark The inverter complies with the following standards and directives 2006 95 EC Safety of the unit IEC 62109 1 2010 Directive relating to electrical equip ment designed for use within certain voltage limits 2004 108 EC Interference immunity EN 61000 6 1 2007 Directive relating to electro
58. string circuit Date of installation Start up report Consignment identification Delivery address Contact person with telephone number You will find our warranty conditions on our website http kaco newenergy de en site service garantie From there you can easily navigate to our international websites by clicking on the appropriate flag Please use our website to register your unit within 24 months http kaco newenergy de en site service registrieren On this page as well you can click on the appropriate flag to easily reach the website for your own nation In this manner you can assist us in providing you with the quickest service possible In return you receive two addi tional years of warranty coverage for your unit Notice The maximum length of the warranty is based on the currently applicable national warranty conditions We have prepared a form for complaints It is located at http www kaco newenergy de en site service kundendienst Hotlines Technical problem resolution Technical consultation Inverters 49 0 7132 3818 660 49 0 7132 3818 670 Data logging and accessories 49 0 7132 3818 680 49 0 7132 3818 690 Construction site emergency 49 0 7132 3818 630 number Customer help desk Monday to Friday from 7 30 a m to 5 30 p m CET Also on Saturdays from 8 00 a m to 2 00 p m CET Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Page 51 Shutdown Disassembly K A C 0 eC
59. tem is only available if you have selected the On option for the menu item Activ Relay 33 in the Settings menu cos phi Indicates the status of the idle power control Unit temperature Displays the temperature in the inverter housing Displays the yield in kWh Yield counter ao iK ADI GA AME Reset the counter using the Reset button Yield today qo Displays the yield of the current day up to now g 2 Total yield Displays the total yield up to now All countries CO2 savings amp Displays the calculated CO savings in kg Displays the duration of operation in hours Oper hrs cntr Mu x i Reset the counter using the Reset button g Oper time today Displays the duration of operation on the current day Lo Total oper time Displays the total operating time cm i o El Log data display Open the menu Press the right arrow button or the OK button Page 32 Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Configuration and Operation KACO new energy Menu level Country spec setting Display Setting Day display loc loc Action in this menu meaning Displays the recorded operating data graphically 1 Select the measured value to be displayed Supported measured values Grid power P grid DC power per string P PV 1 2 DC voltage per string U PV 1 2 Unit temperature 2 Select a date 3 Pressthe OK button The
60. ter menu see section 8 3 on page 31 O Determine whether the positive or negative pole is to 2 be grounded 1 Unscrew the fittings of the grounding terminals 2 Plug the full bridge onto the positive or negative T O09 000A grounding terminal Example Installation on the plus cr grounding terminal see figure 9 on page 23 3 Tighten the grounding terminal fittings l j The PV generator is grounded 5 4 Activate the ground fault monitor in the Settings menu Gee section E oe pege N Fig 9 Installation of full bridge for grounding the PV generator Key 1 Fuse holder 4 Positive grounding terminal 2 Ground fuse 5 Full bridge for grounding the PV generator 3 Negative grounding terminal NOTICE If the function of ground fault monitoring is activated in the inverter the installed fuse trips after a ground fault in the PV system The inverter interrupts the feed in until the fuse has been replaced Use PV fuses of type URZ 10 x 38 mm 1 000 V 1 A only 73 Connecting the interfaces All interfaces with the exception of the Ethernet interface are located on the connection circuit board The Ethernet interface is located on the underside of the control circuit board Both connection locations are located behind the cover for the connection area Use the cable fittings provided see figure 10 on page 24 Risk of fatal injury due to electric
61. this menu meaning spec setting level Setting Dien Lo Specify the target voltage his aracteristic ad o Specify slope Specify change time Enables manual execution of the self test d a Activ self test es To manually start the self test select the Activate button Information us Open the menu Press the right arrow button or the menu OK button Inv type c Displays the type designation of the inverter mil countries Lo SVV version c Displays the installed software version Serial no Displays the serial number of the inverter Displays the selected country setting Display country lt gt Optional Displays the grid type if a grid type has been selected All countrles m Yendor menu ES The display shows information about the unit manufacturer Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Page 37 Configuration and Operation K A C 0 eC new energy 8 4 Monitor inverter The inverter has an integrated web server This makes it possible to monitor and record the operating state and yield of your PV system You can display the recorded data via The integrated LCD The integrated web server using an Internet capable device connected to the Ethernet interface of the inverter You can read the recorded data using a storage medium connected to the USB interface of the inverter e g a USB stick 8 41 USB interface Use an external USB storage device to read operating data saved in t
62. tions Keep unauthorized persons away from the inverter and PV system Be sure to observe IEC 60364 7 712 2002 Requirements for special installations or locations solar photovoltaic PV power supply systems in particular Ensure operational safety by providing proper grounding conductor dimensioning and appropriate protection against short circuiting Observe the safety instructions on the inverter and in these operating instructions Switch off all voltage sources and secure them against being inadvertently switched back on before performing visual inspections and maintenance When taking measurements while the inverter is live Donottouch the electrical connections Remove all jewellery from your wrists and fingers Ensure that the testing equipment is in safe operating condition Stand on an insulated surface when working on the inverter while it is switched on e Modifications to the surroundings of the inverter must comply with the applicable national and local standards When working on the PV generator it is also necessary to switch off the DC voltage with the DC disconnector in addition to disconnecting the PV generator from the grid 2 1 Proper use The inverter converts the DC voltage generated by the PV modules into AC voltage and leads this into the grid feed in The inverter is built according to the state of the art and recognised safety regulations Nevertheless improper use may cau
63. to these tolerances the daily yields shown on the display may deviate from the values on the grid operator s feed in meter by up to 15 After being switched on and after the initial start up is complete the inverter displays the start screen the desktop If you are in the menu and do not touch the control buttons for two minutes the inverter returns to the desktop For information about initial start up see section 8 2 on page 31 1 i 27 10 2010 Y 16 02 31 1 amp 9kwWh 69kWh RW Fig 13 Desktop Key 1 Current date 6 Status bar 2 Current power 7 Current time 3 Menu indicator 8 Feed in indicator 4 Daily yield 5 Annual yield Operating Instructions Powador 16 0 TR3 18 0 TR3_EN Page 29 Configuration and Operation K A C 0 eC new energy 8 1 3 Control buttons You operate the inverter using the 4 way button and the OK and ESC control buttons 8 1 3 1 Desktop Opening the menu O The inverter is operating O TheLCD is showing the desktop Press the right arrow button The menu opens up over the desktop from left to right Displaying the daily output O The inverter is operating O TheLCD is showing the desktop Press the down arrow button di d Es Wael JE The LCD displays the daily yield in a diagram To return to the desktop press any button 8 1 3 2 Inverter menu Selecting a menu item O You have left the desktop The inverter displays the menu Use the up
64. to prevent damage to the unit Note inverter does not is reduced the technical data Ensure unhindered convection cooling from feed in the maxi the exterior Do not cover the cooling fins mum power into the grid Provide for sufficient cooling of the unit B E Do not cover the cooling fins Table5 Troubleshooting B Action of the operator E The indicated work must only be carried out by an authorised electrician K The indicated work must only be carried out by a service employee of KACO new energy GmbH Page 46 Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Maintenance Troubleshooting K A C 0 eC new energy 9 Messages on the display Fault LED Many fault signals indicate a fault in the grid They are not operational faults of the inverter The minimum triggering levels are determined by standards e g VDE0126 1 1 The inverter must switch off if the permitted values are under shot or exceeded 9 71 Display of status and fault messages Display Fault LED red Fault signal relay has switched FS fault status ON e A Feed in was ended due to a fault The fault signal relay deenergizes again OS operating status O AN OFF The inverter feeds back into the grid again after a country specific time period On the display you can find details regarding the fault or operating status or the data that was recorded through the RS485 interface 9 7 2 Status and fault signa
65. ulm Germany Tel 49 7132 3818 0 Fax 49 7132 3818 703 info kaco newenergy de www kaco newenergy com
66. ur author E voltage error O high The PV generator is incorrectly ised electrician dimensioned FS 41 Line failure The voltage of a grid phase is too low Notify your author E O h Ses undervolt L1 the grid cannot be fed into The phase ised electrician experiencing failure is displayed FS 42 Line failure The voltage of a grid phase is too high Notify your author E overvolt L1 O 0 the grid cannot be fed into ised electrician The phase experiencing failure is dis played FS 43 Line failure The voltage of a grid phase is too low Notify yourauthor E O h f Em undervolt L2 the grid cannot be fed into The phase ised electrician experiencing failure is displayed Table6 Operating states and fault messages on the display BS operating status FS fault status B Action of the operator E The indicated work must only be carried out by an authorised electrician K The indicated work must be carried out only by a service employee of KACO new energy GmbH Page 48 Operating Instructions Powador 16 0 TR3 18 0 TR3 EN Maintenance Troubleshooting K A C 0 eC new energy Status Display f A Explanation Action By FS 44 Line failure Oo e The voltage of a grid phase is too high Notify your author E overvolt L2 the grid cannot be fed into ised electrician The phase experiencing failure is dis played FS 45 Line failure O e The voltage of a grid phase i
67. verter dis Faults in the grid The inverter continues to operate as normal without losses to plays an impos the yield even when an erroneous daily peak value is dis sible daily peak played The value is reset overnight value 7 7 i 7 To reset the value immediately switch the inverter off by E disconnecting it from the grid and switching off the DC then switch it back on Daily yields do not correspond to the yields on the feed in meter The inverter is active but does not feed into the grid Display Tolerances of the measuring elements in the inverter Generator volt age too low Grid voltage or PV generator The measuring elements of the inverter have been selected to ensure maximum yields Due to tolerances the daily yields shown may deviate from the values on the feed in meter by up to 1596 Noaction 2 The PV generator voltage or power is not sufficient for feed in solar irradiance is too low The inverter checks the line parameters before the feed in process begins The length of the switch on time differs by Waiting for voltage unsta country according to applicable standards and regulations feed in ble and can take several minutes The starting voltage may have been set incorrectly Adjust starting voltage in the Parameter menu if required K Table5 Troubleshooting B Action of the operator E The indicated work must only be carried out by an authorised electrician

Operating Instructions Powador 16.0 TR3 18.0 TR3

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