Manual - All Energy HQ
Contents
1. Function D1 D2 D3 D4 Output 1 Output 2 No function 0 0 0 0 1 1 Acti SES 14 d 0 0 1 1 0 Active power 0 1 0 0 1 1 30 Active power 0 0 1 0 1 1 60 Active power 0 0 0 1 1 1 100 1 Relay is closed 0 Relay is open 49 A NELTA2. RPI Home Figure 3 3 LCD display and buttons 3 2 2 Inverter Input Output Interface TE AAT TT DC switch n Dry connector contact DC Communication connector RS 485 Figure 3 4 Input output interface Note The DC switch is only presented in the 120 models Model series 020 does not have the DC switch A NELIA 4 Installation 4 1 Installation Location WARNINC Do not install the unit near or on flammable surfaces Please mount the unit tightly on a solid smooth surface CAUTION The unit should not be installed in direct sunlight 4 2 Mounting This unit is designed to be wall mounted Please ensure the installation is perpendicular to the floor and the AC plug located at the base of the unit Do not install the device on a slanting wall The dimensions of the mounting bracket are shown in the figure below 8 of y 5 5mm screws are required for the mounting plate hole size 26 5mm Fix the supplied wall mount plate securely on the wall before attaching the inverter onto the mounting plate Figure 4 1 Attaching the mounting bracket for RPI H3A H4A HSA Figure 4 2 Correct and incorrect installation illustration A NELTA CAUTION e The bracket supplied with the unit is specially designed and should be the only mounting device used for the unit e It is recommended to install the inverter in a suitable location which offers easy and safe access for ser
3. To Utility 1Ph 230Vac Inverter 1Ph 230Vac Figure 5 2 Connection of a system for solar array grounding WARNING SHOCK HAZARD Note Whenever a PV array is exposed to sunlight a shock hazard may exist due to output wires or exposed terminals To reduce the risk of shock during installation cover the array with an opaque dark material and ensure that the Disconnect Device in the inverter is set to OFF before commencing any wiring 5 2 AC Grid Connection L N PE WARNING Before commencing AC wiring please ensure AC breaker is switched off 13 A NELTA 5 2 1 Required protective devices and cable cross sections Table 5 1 Recommended upstream protection Powerrating Upstream circuit breaker RPI HSA 3 5KVA RPI H4A 9 kVA RPI HSA 6 25 KVA Please use appropriate wire to connect poles According to the Table 5 2 Table 5 2 AC wire requirement gt 20A RPI H3A gt 25 A RPI HAAL 3 4mm 12 AWG 0 8 1Nm gt 30 A RPI H5A Section drawing Figure 5 3 AC plug illustration C01620E0028001 AMPHENOL CORP A NELTA 5 3 DC Connection from PV Array WARNING e When undertaking DC wiring please ensure the correct polarities are connected e When undertaking DC wiring please ensure that the DC isolator switch on the PV array is OFF CAUTION The maximum open circuit voltage of the PV Array must not exceed 600Vdc The maximum recommended input power to the inverter is 3
4. Grid tie Transfomerless Solar Inverter RPI H3A H4A HSA A NELTA Table of Contents T General information ns e 1 1 1 SETTENE vrede 1 1 2 General Warnings Notes on Safety ocoooccocccocncococoniconiconononcncnnos 1 LA UN 2 TA FOU 2 To FONR NE m 3 To AFO Mine MU TT 3 2 Installation and Wiring 4 2 1 Instruction before Installation nuur ven enennen eenen 4 MER Bulle Le E 4 za Package nee DEE 9 2 4 Identification Label 6 3 Product Overview eee enne nnne nnn 7 TDN ener RR 7 3 4 FUNCION INMOGUGHON BE 7 22 1 LCD Display and DUMONS ERO 8 3 2 2 Inverter Input Output Interface unne eenn eeens 8 4 Mn 9 4 1 Installation Location 9 22 MON 9 MN 12 5 1 Preparation before Wiring aaneen enen erenrenenenenenerenernnn 12 5 2 AC Grid Connection L N PE eee 13 5 2 1 Required protective devices and cable cross sections 14 5 3 DC Connection from PV Array 15 5 4 Communication Module aaneen enen een eneen erven en nenne 16 5 4 1 RS 485 Connection cccccssssccesssrsssccursurecsecuusesccuusurscsesuususecersas 16 6 Active Reactive Power Control and LVRT Optional 18 bl PEPE 18 El DR On 18 0 12 PORTS FEN renere eee 18 6 2 Reactive Power Control 19 6 2 1 Fixed Power Factor cos VDE AR N 4105 CEl 0 21 20 6 2 2 cosp P VDE AR N
5. Enter SEL Y Country is Italy amp amp Relay On Italy Selftest Process Figure 7 3 LCD flowchart 26 Page1 Page2 Page3 Page4 Pages Page6 Page Pages Page9 Page10 Page11 Page12 Page13 Page14 Page15 1 3 1 Event List A NELIA Today output energy Grid voltage and frequency Output current Input voltage current and power Today input energy Total output energy Total input energy otart page Firmware version Event list Inverter ID Country Language Insulation Grounding option Settings When entering this menu the display will show all the events error or fault and it can show up to 16 records at most with the latest one on the top 01 Grid Freq Under Rating 02 Grid Volt Under Rating SEL Clear Event Logs Exit Yes SEL Inverter ID XX Figure 7 4 Event log flowchart 27 A NELTA 7 3 2 Country Selection Users can select different countries in this menu SEL and ENT are pressed simultaneously gt 10 sec when page is Country Page 12 yes Inverter shut down SEL XXX NETHERLANDS TL NETHERLANDS Next Enter L N Y SEL BELGIUM BELGIUM Next Enter L NI Y SEL XXX XXX Ke XXX XXX Next Enter L N Y SEL Country is Default Figure 7 5 Country selection Table 7 1 Country list RPI H3A H4A HSA Italy MV for RPI H5A only Portugal Spain RD661 Spain RD1699 UK G59 2 230 Taiwan Thailand MEA French Islands 50
6. 4105 CEI 0 21 eenen 20 6 2 3 Fixed Reactive Power InVAR CEI 0 21 20 6 2 4 Reactive Power Voltage Characteristic Q U CEI 0 21 20 A NELTA 6 3 Low Voltage Ride Through CNERTI enen eneneenen 22 7 Turn PV inverteron off eee eene 23 a od on 23 7 1 1 PV Array DC Voltage Checking annen 23 7 1 2 AC Utility Voltage Checking annen enen ennnnenen 23 7 1 3 Starting up the Inverter coooccccccccncocncoccconiconocononononnononocanenoss 23 Le Inverter SS UNO E 24 2 County SN 24 7 2 2 Connecting the Communication Wiring 24 T2 Mencer ID SCH Le ME 25 AS PP PP A 25 L BOL 27 Lo CONI SEN 28 fo Language Nr 29 o D EE ier Ree socie 30 hes ME SA 30 Lo SS PN RM 31 7 3 7 Italy Self test amp Comando locale nennen nennen eenen 31 ENEE ENEE 34 9 MeasurementError Message and Trouble Shooting 35 del MESEN 35 9 2 Error Message amp Trouble Shooting ensen enen nennen 36 10 De Commissioning eere eren 44 II TECNICA Dala spin 45 VPN 45 ANINE eee 47 A 1 Multi function relay output connection anas neneen 47 elle essa 48 A NELTA Figure Figure 1 1 Solar system operation illustration eeen nennen 3 Figure 2 1 Unpacking process oenen ennenen nennen eneen nnen ennns 4 Figure 2 2 The identification Jabel 6 Figure 3 1 Dimension
7. CEl 0 21 8 5 3 2 Within a frequency range from 50 3Hz to 51 5Hz all adjustable production plants equipped with static converters have to be able to reduce the currently generated active power in case of an increase of the frequency with a variable drop of 2 to 5 with a default value of 2 4 with corresponds to a power gradient of 83 3 Hz User can set all necessary settings to meet the requirements from network operator Please refer to actual Power vs Frequency shown in Figure 6 1 for the settings procedure A NELTA Pm Gradient 40 Pm Hz Fstart 50 2Hz Power vs frequency curve for VDE AR N 4105 Gradient 83 3 Pimax Hz Fstart 50 3Hz Power vs frequency curve for CEI 021 Figure 6 1 Power vs frequency characteristic 6 2 Reactive Power Control With active power output it must be possible to operate the generating plant in any operating point with at least a reactive power output corresponding to a active factor at the network connection point of eCOS q 0 8 underexcited to 0 8 overexcited e VDE AR N 4105 CEI 0 21 cos 6 0 9 underexcited to 0 9 overexcited Values deviating from the above must be agreed upon by contract With active power output either a fixed target value for reactive power provision or a target value variably adjustable by remote control or other control technologies will be specified by the network operator in the transfer station The setting value is either A NELTA
8. Slow Actual utility voltage is Check the utility voltage on Over over the OVR setting the inverter terminal Voltage Incorrect country or Grid 2 Check country amp Grid setting Range setting Check the detection circuit Detection circuit inside the inverter malfunction E26 Slow Actual utility frequency is 1 Check the utility frequency on Over over the OFR setting the inverter terminal Frequency 2 Incorrect country or grid 2 Check country setting Range setting Check the detection circuit Detection circuit inside the inverter malfunction E27 Slow Actual utility frequency is 1 Check the utility frequency on Under under the UFR setting the inverter terminal Frequency 2 Incorrect country or Grid 2 Check country amp Grid setting Range setting Check the detection circuit Detection circuit inside the inverter malfunction 37 ERROR E28 Slow Actual utility voltage is 1 Check the utility voltage on Under under the UVR setting the inverter terminal Voltage Incorrect country or Grid 2 Check country amp Grid setting Range setting Check the detection circuit Detection circuit inside the inverter malfunction E30 DC Volt 1 Actual Solar1 voltage is 1 Modify the solar array string Over higher than layout and reduce the Voc Rating oo0Vdc below Detection circuit ob0Vdc malfunction Check the detection circuit inside the inverter E34 Ground 1 PV array insulation fault 1 Check the
9. Table 9 2 Error message ERROR E01 Grid Actual utility frequency is 1 Check the utility frequency on Freq Over higher than the OFR the inverter terminal Rating setting Check country setting Incorrect country setting 3 Check the detection circuit Detection circuit inside the inverter malfunction Actual utility frequency is 1 Check the utility frequency on lower than the UFR the inverter terminal setting Check country 4 Grid setting Incorrect country or Grid 3 Check the detection circuit setting inside the inverter Detection circuit malfunction E07 Grid Non linear load in Grid and Grid connection of inverter need Quality close to inverter to be away from non linear load if necessary E09 No Grid 1 AC breaker is OFF Switch on AC breaker 2 AC plug Disconnected Check the connection in AC 3 Internal fuses are plug and make sure it broken connects to inverter Replace fuses and check all switching devices in boost amp inverter stages 36 A NELTA ERROR E10 Grid Actual utility voltage is 1 Measure the utility AC voltage Volt Under under the UVR setting to the inverter terminal Rating Utility voltage is under Check the utility AC voltage the Slow UVR setting connection to the inverter during operation terminal Incorrect country or Grid 3 Check country amp Grid setting setting Check the detection circuit Detection circuit inside the inverter malfunction E13
10. detection circuit inside the inverter Check the installation ambient and environment Check the detection circuit inside the inverter Check the auxiliary circuitry inside the inverter Check the detection circuit inside the inverter Check the auxiliary circuitry inside the inverter Check the detection circuit inside the inverter 39 A NELTA ERROR A17 DSP Auxiliary power circuitry 1 Check the auxiliary circuitry pe Fail A18 RED Fall A19 DSP ADC lout acF ail A20 Efficiency Inconsiste nt A22 Internal CommFau It R A23 Internal 40 CommFau It D malfunction Detection circuit malfunction Auxiliary power circuitry malfunction Detection circuit malfunction Auxiliary power circuitry malfunction Detection circuit malfunction The calibration is incorrect Current feedback circuit is defective Red CPU is idling The communication connection is disconnected DSP is idling The communication connection is disconnected The communication circuit malfunction inside the inverter Check the detection circuit inside the inverter Check the auxiliary circuitry inside the inverter Check the detection circuit inside the inverter Check the auxiliary circuitry inside the inverter Check the detection circuit inside the inverter Check the accuracy of current and
11. power Check the current feedback circuit inside the inverter Check reset and crystal in Red CPU Check the connection between Red CPU and DSP Check reset and crystal in DSP Check the connection between DSP and COMM Check the communication Circuit ERROR A NELTA A24 Residual Curr Over Rating A27 RCMU Circuit Fail A28 Relay Short A29 Relay Open PV array insulation fault 1 Check the insulation of Solar Large PV array capacitance between Plus to Ground or Minus to Ground Either side of boost driver or boost choke malfunction Detection circuit malfunction RCMU is disconnected Detection circuit malfunction One or more relays are sticking The driver circuit for the relay malfunction One or more relays are abnormal The driver circuit for the relay malfunction The detection accuracy is not correct for Vig and Vout inputs Check the capacitance GND amp GND must 2 5uF Install an external transformer if necessary Check boost driver amp boost choke Check the detection circuit inside the inverter Check the RCMU connection inside the inverter Check the detection circuit inside the inverter Replace the defective relay s Check the driver circuit inside the inverter Replace the defective relay s Check the driver circuit inside t
12. 150W RPI H3A 4200W RPI H4A 5250W RPI HSA Note The device installed between the PV Array and inverter must meet the rating of voltage higher than this device s maximum input voltage The RPI range of PV inverters uses genuine Multi Contact MC4 connectors Table 5 3 Order Numbers for MC4 connectors CABLE WIRE SIZE WIRE SIZE 4 0 FEMALE MALE COUPLER 2 5 MM MM 6 0 MM CABLE CABLE POLARITY AWG 14 AWG 12 10 COUPLER COUPLER MULTI CONTACT ORDER NUMBER 32 0010P0001 UR 32 0012P0001 UR Plus coupler Minus 32 0011P0001 UR coupler 32 0013P0001 UR 32 0014P0001 UR 32 0016P0001 UR Plus coupler Minus 32 0015P0001 UR coupler 32 0017P0001 UR Table 5 4 Minimum cable size DC 10 A RPI H3A DC 12 A RPI H4A HSA 2 3mm 14 AWG A NELTA DC wiring polarities are divided into Plus and Minus which are shown in Figure 5 4 The connection shall conform to the indication marked on inverter PV KBT4 6 II 4 Sm PV KST4 6 TI Figure 5 4 DC Wiring illustration 5 4 Communication Module The Communication Module enables communication between the unit and a computer and provides 2 RS 485 ports When using this module the first step is to take off the cover located at the bottom right of inverter and pull out the RS485 socket as shown in Figure 5 5 wf 7 2 93 el gt Terminal Fesistor Terminal resistor switch Figure 5 5 Communication module 5 4 1 RS 485 Connection The pi
13. Country selection nononono enne 28 Figure 7 6 Language selection nononono en enenenenenenenenenenenenns 29 Figure 7 7 Insulation mode 30 Figure 7 8 Nu EE un Le EE 30 Figure 7 9 Settings page 31 Figure 7 10 Italy Comando locale eene 32 Figure 7 11 Italy self test flowchart esee mme 33 Figure A 1 Multi function Relay location oenen eenen ennen 47 Figure B 1 Pin assignment at ripple control receiver o 48 A NELTA Table Table 2 1 Packing let 5 Table 5 1 Recommended upstream protection eese 14 Table 5 2 AC wire requirement mmm nene 14 Table 5 3 Order Numbers for MC4 connectors 15 Table 5 4 Minimum cable size eee mmm eene 15 Table 5 5 Definition of RS485 rurunnnnnnnennnnnnanenenenennnnnnenenenenennenenenene 17 Table 5 6 RS 485 data format 17 Table 7 1 Country list 28 Table 7 2 Language let 29 Table 9 1 Measurement and message 35 Table 9 2 Error MeESSage EE 36 Table 11 1 Specifications esee 45 A NELTA 1 General Information 1 1 Scope of delivery Congratulations on the purchase of your Delta RPI H3A H4A H5A grid tied solar inverter This manual assists you in becoming familiar with this product Please observe all safety regulations and take into account technical connection conditions required at your local grid utility 1 2 General Warnings No
14. Enter Pass 3015 3000ms UL 92 0 d UL 92 0 92 0 V Next Enter Pass 215 200 ms Italy Selftest UH 264 5 264 5 V History Pass 215 200 ms UL 195 0 195 5 V Pass 415 400 ms FH 51 50 51 50Hz Pass 1004 1000ms FL 47 50 47 50Hz Pass 4009 4000ms UH 253 0 253 0 V Pass 3015 3060ms UL 92 0 92 0 V Pass 215 200 ms Figure 7 11 Italy self test flowchart 33 ELTA 8 Maintenance In order to ensure normal operation of the inverter please check the unit regularly Check that all terminals screws and cables are connected and appeared as they did upon installation If there are any impaired or loose parts please contact your solar installer Ensure that there are no foreign objects in the path of the heat outlet and keep the unit and its surroundings clean and tidy WARNING Before any maintenance please switch AC and DC power off to avoid risk of electronic shock 34 A NELTA 9 MeasurementError Message and Trouble Shooting 9 1 Measurement Output 3600W Utility Today 7200Wh 225V 60 00Hz 4 Output Current 16 0A 6 Today DC 3600 Wh DC 5 9A 9 AC Life Energy 1234 kWh 320V 1894W 8 DC Life Energy 617 kWh Table 9 1 Measurement and message No Measurement Meaning Umt 6 Today DC et PV array energy supply cumulative D 8 DC Life Energy Total PV array energy supply cumulative kWh 35 A NELTA 9 2 Error Message amp Trouble Shooting
15. Hz Thailand PEA WP gt AIS amp amp 3 U U INT gt A AA O LC a Q en 7 av 2 O D r lt 28 A NELTA When entering this menu user can set one of five different languages Language XXX ENT XXX maybe Default English Italiano etc AEE English English Next Enter HI Y SEL ENT a Italia 7 3 3 Language Selection Italia Next Enter France Next Enter Espanol Next Enter Deutschland Next Enter Grounded option XXX Figure 6 Language selection Deutschland Table 7 2 Language list RPI H3A H4A HSA English Italiano Espanol 29 A NELTA 7 3 4 Insulation Mode SEL Insulation Mode XXX XXX maybe Normal Negative Disable Positive SEL and ENT are pressed simultaneously gt 30 sec Normal L Next Enter JL SEL Negative Next Enter o N Y SEL Positive Positive Next Enter LC N Y SEL Settings Enter Figure 7 7 Insulation mode Negative Next Enter SEL Disable 7 3 5 Time Setting Blink Blink 31112 2012 EL 01712 2012 E 23 58 23 58 23 58 Blink Blink xx 1272012 SEL xx 017 2012 SEL Blink Blink SEL Blink Blink Wes s gt p23 758 Lud ENT Blink Blink XX XX XEXX l XX XX XXXX SEL SEL xx 158 g xx159 pe ENT Figure 7 8 Time setting A NELTA S
16. LCD 2 Press and hold both buttons Enter first then Select entering setting ID screen then release both buttons and set ID by pressing Select button then press Enter button if the ID is correct ID 1 254 3 Inverter ID is changed and saved Inverter ID XX SEL and ENT are pressed simultaneously gt 3 sec Setting ID Gs XX is current ID e IDE AA d Setting ID ENT SEE 8 te ENT NT ID XX SEL yes SEL is pressed gt ze Ud n Setting ID 2 sec ID XX 10 ID 254 SEL 5 E no Setting ID 8 e Exit A Setting ID D ID XX 1 2 D SEL XX Setting ID ID 1 7 ID Figure 7 2 Inverter ID Setting 7 3 LCD flowchart Pressing any button will enter main menu Figure 7 3 Output Energy today is the first option on the main menu with several other items below as seen in section 7 3 1 7 3 7 25 A NELTA Output 3600W PAGE 1 Today 7200Wh SEL Utility PAGE 2 225V 60 00Hz SEL Output Current PAGE 3 ODA SEL DC1 320V DC2 320V PAGE 4 5 9A 1894W 5 9A 1894W SEL Today DC1 Today DC2 PAGE 5 SEL AC Life Energy SEL DC1 Life Energy SEL DC2 Life Energy SEL Inverter PAGE 8 5 0kVA SEL DSP Comm Red 29 Page Wifi PAGE 9 0000 0000 0000 0000 0000 SEL PAGE 10 Event List Enter SEL PAGE 11 oo SEL SEL PAGE 13 NN SEL PAGE 14 nni Mode SEL PAGE 15 Settings
17. OUTPUT Grid side 230Vac 20 22 Maximum output fault 16A 20A 32A current iN OT A NELIA 16A 20A 32A current protection AC OUTPUT Grid side lt CO x 3 C 3 O C Lem O sr O lt D Current inrush A peak 30A peak ims and duration 50 60Hz Total harmonic distortion lt 3 Rated power 1 0 99 G Rated power 1 Peak efficiency 97 50 97 50 97 50 EU efficiency 96 80 97 00 96 80 Output connection IP 67 single phase Fuse Internal fuse Internal fuse Internal fuse A AA Die cast D Q C D I O lt Housing Cooling convection cooling Weight mens IEC 62109 1 2 AS 3100 CE compliance AS 4 77 C 5 OD 5 o O 5 o 5 iim D 3 9B D c 9395 D 5 F 106 4 lt D 5 2 9 lt la g gt Q 5 Q O o D 3 3 c 2 lt 1 reactive power control disabled ESD RS EFT CS iN O A NELTA Appendix A Multi function Relay The Inverter supports one multi function relay the multi function relay is available to external devices External devices can be flashing lights Buzzer Etc the multi function relay allows following configuration e Fault indicator or Grid status indicator e Power production e Control of external loads e Fan control A 1 Multi function relay output connection The dry contact connection provides a remote indication of inverter status When the inverter is operating normally t
18. PI H3A H4A HSA oe Je omeen The installation manual is designed to provide User Manual 1 information on safety installation technical 1 specifications and safe operation of the inverter AC Plug 1 AC Connector plug Wall Mount Wall mount bracket to mount the solar inverter Bracket securely on the wall To fix solar inverter on the bracket Caution If there is any visible damage to the inverter accesories or any damageto the packaging please contact your inverter supplier A NELTA 2 4 Identification Label Users can identify the model number by the information on the product label The model number serial number and other specifications can be located on the product label For label location please refer to Figure 2 2 VDE AR N 4105 AS 4777 2 3 AELTA RP HSA SES RPISO2N55E0000 95 550Vdc MPP 220 500Vdc each 12A AC Output 220 230Vac 50Hz 60Hz SKVA nom 23 2A max cos 0 8 ind 0 8 cap A Ti AG D Safety Class 1 OVC D 5 mins Mn XXXXXXXXXXXXX Figure 2 2 The identification label A NELTA 3 Product Overview 3 1 Dimensions Figure 3 1 Dimensions of RPI H3A H4A HSA 3 2 Function Introduction The Inverter s exterior is shown in Figure 3 2 The description for individual objects can be found in sections 3 2 1 and 3 2 2 C connector AC connector Figure 3 2 Inverter exterior objects A NELTA 3 2 1 LCD Display and Buttons IN NELTA SEL ENT
19. Transient Over Switching device in boost is defective Driver for boost is defective Input current detection circuit malfunction Switching device in boost is defective Driver for boost is defective Input current detection circuit malfunction Switching device in boost is defective Driver for boost is defective Input current detection circuit malfunction Switching device in boost is defective Driver for boost is defective Input current detection circuit malfunction Check all switching device in boost Check the driver circuit for boost inside the inverter Check input current detection Circuit Check all switching device in boost Check the driver circuit for boost inside the inverter Check input current detection Circuit Check all switching device in boost Check the driver circuit for boost inside the inverter Check input current detection Circuit Check all switching device in boost Check the driver circuit for boost inside the inverter Check input current detection Circuit 43 A NELTA 10 De Commissioning De Commissioning Procedure If necessary to put the device out of operation for maintenance and or storage please follow the instructions below WARNING To avoid injuries please follow the procedures e Switch off AC circuit breaker to disconnect from electricity grid e S
20. e fixed power factor cosp VDE AR N 4105 CEl 0 21 e displacement factor active power characteristic curve cosq p VDE AR N 4105 CEl 0 21 e fixed reactive power in Var CEl 0 21 e reactive power voltage characteristic Q U CEl 0 21 6 2 1 Fixed Power Factor cosp VDE AR N 4105 CEI 0 21 Users can set power factor from Cap 0 8 to Ind 0 8 inverter would stop reactive power control if output power is below 20 rated power 1 6 2 2 cos P VDE AR N 4105 CEI 0 21 Once user enables this method inverter will deliver reactive power according to output active power at that moment Figure 6 2 is an example COSQ Cap 0 9 Upper limit d P2 ES P Pn Ind 0 9 aA lower limit No cos P is allowed Figure 6 2 cosp P characteristic 6 2 3 Fixed Reactive Power InVAR CEI 0 21 Once user enables this method inverter will deliver reactive power ie Q consistent with that of the fixed reactive power setting The setting range is from Cap 48 4 to Ind 48 4 6 2 4 Reactive Power Voltage Characteristic Q U CEI 0 21 Once user enables this method user can set Q vs Grid voltage operation curve as in figure 6 3 below 20 A NELTA U2s U1s Qmax 48 4 Qmin 48 4 Q Sn Uti U2i TypeA U U2s Uls Q Sn Uti ES U2I TypeB Figure 6 3 Q U characteristic 21 A NELTA 6 3 Low Voltage Ride Through LVRT According to CEl 0 21 8 5 1 To avoid undue separation from the network if vol
21. er measure the AC open circuit utility voltage between L1 L and L2 N Ensure the voltage is at approximately the nominal value The inverter operates with a line to line voltage range around the nominal value See 11 Technical data output section for the utility voltage operating range for your inverter model 7 1 3 Starting up the Inverter Switch the DC and AC disconnection switches breakers to ON Check the inverter LCD display The start up screen should appear in several 23 A NELTA seconds for the first time start up select proper country and language see 7 3 2 Country Selection amp 7 3 3 Language Selection 7 2 Inverter Setting 7 2 1 Country Setting Upon first start up of the device Country selection is required 1 Inthe country setting page press SEL button NEXT to select your country press ENT button to confirm this page 2 Press Enter button to confirm your country setting NOTE Country XXX Figure 7 1 Country Setting 7 2 2 Connecting the Communication Wiring Multiple inverters can be monitored via the inverter s RS 485 connection Figure 5 6 but each inverter s ID must be assigned a unique value NOTE Make sure the inverter ID is different from each other in the same RS485 chain 24 A NELIA 7 2 3 Inverter ID Setting 1 Turn on DC power and wait for the LCD display then press Select button until Inverter ID XX is shown in the
22. ettings include WiFi Ethernet IP address and WiFi IP address Settings Enter Off Off Next I Enter AT N 4 Y Wireless SEL ON On Install On Install Ethernet Address XXX XXX XXX XXX 1 3 6 Settings Page SEL SEL On Custom 2 er Next Enter D Figure 7 9 Settings page 7 3 7 Italy Self test amp Comando locale Please note Italy self test setting will only exist when Italy is selected in country setting Italy Self test includes UacHigh UH Uac Low UL Fac High FH and Fac Low FL The user can choose the selection of Uac High Uac Low Fac High or Fac Low separately The final testing result will be shown on the operating menu and saved where the user can view the results If the Italy Self test fail s the inverter will not operate Please contact Delta or your supplier 31 Comando Locale XXXXXX Comando Locale EXXXXX i On Off Of f T Off Next Enter wei NI Y EMT Are you sure d Hor Y ENT n n be Next Enter sal Mi Y ENT Are you sure 7 N Y ENT Figure 7 10 Italy Comando locale 32 NELTA Italy Seit Test Ita ly self test Italy Selftest amp History Italy Selftest UH 264 5 3 UH 264 5 264 5 V History Start Next Enter Pass 215 200 ms UL 195 5 UL 195 0 195 5 V Next Enter Pass 415 408 ms FH 51 50 51 50Hz Pass 1004 1000ms S x re ag et 3 E 8 FL 47 50 47 50Hz Pass 4009 4000ms UH 7253 0 i UH 253 0 253 0 V Next
23. he dry contact is closed The user can use the Monitor MODBUS SW tool the multi function relay will be configured as mentioned in the event setting Please refer to Figure A 1 contact Figure A 1 Multi function Relay location Danger Hazard of Electric shock Touching of electronic components can damage the components through electrostatic discharge 47 A NELTA Appendix B Digital input To implement power management the digital input interface receives the specifications of the network operator via a ripple control receiver e Germany The active power limitation in the stages 0 30 60 and 100 e Italy Power output of Max 6KW for PV plant installation Remote shutdown Narrow Frequency limits between 49 5 Hz to 50 5Hz e Customer User defined al input Ripple control receiver Figure B 1 Pin assignment at ripple control receiver The inverter gives a voltage to the Output 1 2 and measure Digital Input 1 to 4 The inverter can detect the status of the relay of the ripple control receiver The information which relay shall be controlled parameter by the network operator 48 A NELTA 1 Digital input 1 2 Digital input 2 3 Digital input 3 4 Digital input 4 5 Output 1 6 Output 2 Country ltaly LV SPI Function D1 D2 D3 D4 Output 1 Output 2 No function 0 0 0 0 1 1 Remote off 1 Off 0 0 1 1 Narrow 0 1 0 0 1 1 frequency limit 1 Relay is closed 0 Relay is open Country Germany
24. he inverter Check the V grid and Vout voltage detection accuracy 41 A NELTA ERROR A35 Bus Volt 1 Driver for boost is Check the driver circuit for defective boost inside the inverter Voc Of PV array is Modify the solar array setting over550Vdc and make the Vo less Surge occurs during than550Vdc operation N A Detection circuit Check the detection circuit malfunction inside the inverter A36 Output Surge occurs during N A Curr operation Check the driver circuit in Transient Driver for inverter stage inverter stage Over is defective Check all switching devices in Switching device is inverter stage defective Check the detect circuit inside Detection circuit the inverter malfunction A37 AC Curr Detection circuit Check the detect circuit inside Over malfunction the inverter Rating A42 CT 1 Inverter choke Fail Check Inverter choke Current 2 Output Filter Fail inductance Sensor 3 Detection circuit Check output filter Fail malfunction capacitance Check the detection circuit inside the inverter A50 Zero The detection circuit for Check the detection circuit for Cross synchronous signal synchronous signal inside the Circuit Fail malfunction inverter 42 A NELTA ERROR A56 Hardwar HW power rating incorrect Check comm HW power rating e Incompati bility AGO DC1 Curr Over Rating A61 DC2Curr Over Rating ATO DC1Curr Transient Over A71 DC2Curr
25. insulation of Solar Fault Large PV array inputs capacitance between Check the capacitance dry Plus to Ground or Minus PV panel if necessary to Ground or both Check the detection circuit Detection circuit inside the inverter malfunction 38 A NELTA ERROR A05 NTC Over Temp A06 Inside NTC Circuit Fail A08 Heat Sink NTC1 Fail A09 Heat Sink NTC2 Fail A15 DSP lout Fail A16 DSP Vous Fail Utility waveform is abnormal Detection circuit malfunction The ambient temp is above 60 C Detection circuit malfunction Ambient temp gt 100 C or 24 C Detection circuit malfunction Boost heat sink temp gt 100 C or lt 24 C Detection circuit malfunction Inverter heat sink temp gt 100 C or lt 24 C Detection circuit malfunction Auxiliary power circuitry malfunction Detection circuit malfunction Auxiliary power circuitry malfunction Detection circuit malfunction Check the utility waveform Grid connection of inverter need to be away from non linear load if necessary Check the detection circuit inside the inverter Check the installation ambient temp and environment Check the detection circuit inside the inverter Check the installation ambient and environment Check the detection circuit inside the inverter Check the installation ambient and environment Check the
26. n definition of RS 485 shown in Table 5 5 and protocol settings are listed in Table 5 6 Installer must switch the terminal resistor switch to ON when only a single inverter is installed The wiring of multi inverter is shown in Figure 5 6 The terminal resistor switch of the first and last inverters should be switched ON and the others OFF 16 A NELIA Table 5 5 Definition of RS485 FUNCTION 2 ev DATA DATA DATA IN Be KN Hr KN fr ry T Fi as Tf i el pl dp CS Terminal resistor witch Termin resistor switch ON ON Figure 5 6 Multi inverter connection illustration Table 5 6 RS 485 data format RS 485 Data format A NELTA 6 Active Reactive Power Control and LVRT Optional There are 2 settings for active power and 4 settings for reactive power control that can be configured based on the requirement of the local network operator 6 1 Active Power Control 6 1 1 Power Limit Users can reduce inverter output power by set percentage of actual or rated power 6 1 2 Power vs Frequency According to VDE AR N 4105 5 7 3 3 At frequencies between 50 2Hz and 51 5Hz all adjustable power generation systems shall reduce for frequency increase or increase for frequency decrease the active power Pm generated instantaneously at the time of exceeding the mains frequency 50 2Hz freezing the value on the current level with a gradient of 40 of Pm per Hertz According to
27. r system operation illustration 1 6 Additional Information For more detailed information for RPI H3A H4A HSA or other related product information please visit http www deltaww com A NELTA 2 Installation and Wiring 2 1 Instruction before Installation Due to the variety of users and installation environments it is recommended to read this manual thoroughly before installation Installation of the unit and start up procedures must be carried out by accredited technicians 2 2 Unpacking Unpacking process is shown as Figure 2 1 Figure 2 1 Unpacking process Upon receiving your brand new RPI inverter you will be required to remove its protective packaging This packaging consists of various materials that will need to be disposed of according to the specific recycling marking printed on them Please note that cardboard may be recycled whereas polystyrene foam may not Please dispose of the packaging materials in a correct manner to ensure a better environment for us all A NELTA Unforeseeable events causing damage or movement may occur during shipment Please check for damage on the packaging upon receiving your inverter 2 3 Package Inspection Please check the model number and the serial number on the packaging is identical with the model number and serial number on the unit itself Check if all the accessories are in the package the standard accessories are listas Table 2 1 Table 2 1 Packing list R
28. s of RPI H3A H4A HOA Figure 3 2 Inverter exterior obecls ennen eenen nennen een ennns Figure 3 3 LCD display and buttons ananas enenenenenenenenenenenn 8 Figure 3 4 Input output Interface 8 Figure 4 1 Attaching the mounting bracket for RPI H3A H4A H5A 10 Figure 4 2 Correct and incorrect installation illustration 10 Figure 4 3 Adequate installation oan 11 Figure 5 1 Connection of a system for floating solar array 12 Figure 5 2 Connection of a system for solar array grounding 13 Figure 5 3 AC plug illustration C01620E0028001 AMPHENOL CORP 14 Figure 5 4 DC Wiring illustration nennen enenenenenenenenen eneen 16 Figure 5 5 Communication module nanasan ene 16 Figure 5 6 Multi inverter connection illustration ennen 17 Figure 6 1 Power vs frequency characteristic ocococonononononononananonoso 19 Figure 6 2 cos P characteristic eese 20 Figure 6 3 Q U characteristic sonen enen eneen enenenenenenenenenns 21 Figure 6 4 LVRT characteristic nononono ennen enenenenenenenenenns 22 Figure 7 1 Country Setting enen en ennen enen enenenenenenenenenenenenns 24 Figure 7 2 Inverter ID Setting enen enenenenenenenenenenenenn 25 Figure 7 3 LCD flowchart nonnen enen enen meme ene 26 Figure 7 4 Event log flowchart rarunununununnnnnanananananananananenenenenenenenen 21 Figure 7 5
29. safety instructions of the following solar inverter models under the DELTA brand eRPI H3A eRPI H4A eRPI HSA 1 4 Product Description This device is a single phase grid tie solar inverter lt converts direct current DC electricity from the PV array into single phase alternating current AC to feed the excess generated power back to the local grid This inverter allows for a wide voltage input range 100 550VDC and has a high performance efficiency and user friendly design and operation In addition the special DSP Digital Signal Processor design reduces the complexity of the circuit and electronic components Please note that this device does not support off grid function The features for RPI H3A H4A HSA are shown below Features e Power Rating 3kVA RPI H3A 4kVA RPI H4A 5kVA RPI HSA e Single phase L N PE Grid tie transformerless solar inverter e Maximum efficiency gt 97 5 e Europe efficiency 96 8 RPI H3A 97 0 RPI H4A 96 8 RPI HSA e Reactive power capability Cap 0 8 Ind 0 8 e Total harmonic distortion THD lt 3 Q full load e 2 MPP Trackers e 16x2 monochrome LCD display A NELTA The operation of a solar inverter is shown in Figure 1 1 In order to save 1 5 How it Works energy and electricity the solar inverter converts the DC input power supplied from the PV Array into single phase AC output power to Grid Solar Inverter Electrical Grid PV Array Figure 1 1 Sola
30. tage dips occur a generation system with over 6 kW total power must be able to comply with certain functional requirements which are known as LVRT Low Voltage Ride Through in international literature Ugrid Un 110 100 0 IS 8 85 TT PE SE 40 0 mm gt 0 200 400 time ms Figure 6 4 LVRT characteristic 22 A NELTA 7 Turn PV inverteron off WARNING BURN HAZARD The internal temperature may exceed over 70 C while operating To avoid injury do not touch the surface of the inverter whilst the unit is in operation After installation please ensure the AC the DC and communication connection are correct When enough power is generated from the PV array the device will operate automatically and will initial self test This self test takes approximately 2 minutes and will occur at first start up of the day The display on the inverter includes 16x2 LCD display and LED indicator lights to indicate inverter status There are green and red colour LED indicator lights to represent different inverter statuses 7 1 Start up Procedures 7 1 1 PV Array DC Voltage Checking Firstly uncover the PV arrays and expose them to full sunlight Please note the sunlight must be intense enough to produce the required output voltage for the inverter to start up Measure the PV array open circuit DC voltage across the DC positive and negative terminals 7 1 2 AC Utility Voltage Checking Using an AC voltmet
31. tes on Safety Careful handling of the product will contribute to service life durability and reliability Both are essential to ensure maximum yield from your product As some of the solar inverter models are heavy two people may be required for lifting purposes CAUTION During operation of electrical devices certain parts are under dangerous voltage Inappropriate handling can lead to physical injury and material damage Always adhere to the installation regulations Installation may only be conducted by certified electricians WARNING Repair work on the device should ONLY be carried out by the manufacturer No user serviceable parts inside Please observe all points in the operation and installation manual Isolate the device from the grid and the PV modules before undertaking work on the device DANGER To avoid risk of electrical shock do not open the solar inverter The inverter contains no user serviceable parts Opening the inverter will void the warranty Dangerous voltage is present for 5 minutes after disconnecting all sources of power A NELTA Remember that the unit has a high leakage current The PE conductor MUST be connected prior to commencing operation WARNING BURN HAZARD The unit may reach very high temperatures and the device surface can become quite hot Sufficient cooling is necessary for optimal yield 1 3 Validity This user manual describes the installation process maintenance technical data and
32. vice and maintenance e Please leave an appropriate gap in between units when installing multiple solar inverter systems e Please install solar inverter at eye level to allow easy observation for operation and parameter setting e Ambient temperature for operation 25 C 60 C power derating above 40 C Please ensure the spacing requirement to allow for sufficient convective cooling It is essential to ensure sufficient space for product operation as shown in Figure 4 3 Figure 4 3 Adequate installation gap 11 A NELTA 9 Wiring 5 1 Preparation before Wiring 1 Ensure voltage values and polarities are correct 2 When grounding the solar array an isolation transformer is required due to the RPI H3A H4A H5A not having galvanic isolation between the DC input and AC output 3 The ground fault detection is a fixed internal setting It cannot be modified 4 Whole system wiring can be seen in Figure 5 1 and Figure 5 2 5 Please refer to Figure 5 1 for connections Inverter can accept DC inputs in parallel 2 MPP trackers 2 parallel input PV Array E ER EE EE E nd dx xS O ET Du TT E e fot E a he Estee LL E Palla 3 Communication Wiring Figure 5 1 Connection of a system for floating solar array A NELTA Distribution box Plus GND or Minus GND PV Array N ens SE Uc ee ES Seel e 7 AT TT SN Isolated transformer
33. witch off the PV Array switch to disconnect from PV Array e Use proper voltage meter to confirm that the AC and DC power are disconnected from the unit e Remove the AC wiring immediately to completely disconnect from electricity grid e Remove the DC wiring to disconnect from PV Array e Remove the communication module RS 485 connection from the computer connection e After completing the above steps the inverter can be removed 44 A NELTA 11 Technical Data 11 1 Specifications Table 11 1 Specifications RPI H4A GENERAL Powder coated aluminium 25 60 C full power up to 40 C 0 95 non condensing No TL Topology Class metal enclosure with protective earth OOGO DOM lt 9 ov Dio Dose lt I Ka GOl IS lt F 929 13 9 3 5 GRO E deer 0 Q N Jn IE D N O 3 0 252 D Q D S x9 Q Q S E lt OD DC INPUT Solar side 3150W 4200W 5250W 600Vdc 100 550 Vdc rated power 160 500Vdc 180 500Vdc 220 500Vdc 350Vdc 2 power lt Z2 lt O lt lt U S UT OD Q 0 3 0 8 x 42 3 EIS 3 m 3 3 5 O Oe Q ja S O 12 10 lt 3 S Q IO 3 Q Dis D D oO amp I o Q en D D i 3 e Q 5 D Cc sr Max input current each MPPT 13 94 16 7A 16 7A O 5 lt olalS Dm D S lala X X TENG LZ Oro gt e 2 6 0 0 Slee 2 e DIS 0 O EIS c 3 S S o 9 a n c D O OD I 2 per MPPT OA 100Vdc 2 pairs Multi Contact MC4 connectors AC
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