OPERATION & INSTALLATION MANUAL HIGH EFFICIENCY GRID
Contents
1. ae HIGH EFFICIENCY GRID FEED INVERTER SPG 600 4K6 J Models OPERATION amp INSTALLATION MANUAL Serial No Model No SOLAR ENERGY AUSTRALIA Pty Ltd ACN 081 639 938 SYDNEY 4 BEAUMONT RD MT KURING GAI NSW 2080 TEL 02 9457 2277 TOLL FREE 1800 779 668 FAX 02 9457 2255 Email sales solaraustralia com au Web www solaraustralia com au Solar Energy Australia TABLE OF CONTENTS 1 0 miroductionand General MEARE MUNDO EE 3 2 0 Solar Energy Australia Warranty Terms and COnditions 4 3 0 IESELEN 5 4 0 Product OvervieW iistri e e ae EEE EEE EE E EE E E E AE E EEE E EE EE E E EE EE EEn 7 4 1 POTC E DE dr le 7 4 2 Display and COMMECTIONS 7 4 3 Pont RUNS eeh 8 5 0 It TE le EE 9 5 1 imporiantimornnaUON ndean s i a a aaee CE COTE aaae aa eea S EDE 9 s Unpacking Ihe ln 9 5 3 E rr EE d Sech Selecting ihe Mounting ESA 9 5 3 2 Mountintg the Inverter to the ET RE 10 5 4 EP LS AU let E 12 5 4 1 Connecting to ihe AG Mains Grid eet Eed 12 SAIT Como ibily Chook ccce E N nT me ee rene ees 12 5 4 1 2 Connection to the Switchboard 13 5 4 1 3 Connecting the AC Output Cable E 13 5 4 2 Connecting to the PV Array DO EE 14 EE 15 5 4 2 2 Connecting the PV Array Cables to the INVerter 20 SA2 VON EE 21 5 4 3 Installing GEET 21 55 Commissioning the PV Generating System oon ccccccccccccccccssssssssssessvesssssssssssssssssssssssssssssitisssssssssssessssisuasssnssssssssssisisnssnsssssssssssiuimansssssssesssisis2. 3 Vdc y Vdc 452 475 496 V 5 PV array currents 1 2 and 3 Idc d A dc 3 4 3A 6 Environmental Conditions when fault occurred Sunny or cloudy Hot or cold Rainfall light or heavy Note that the following faults are due to problems with the AC mains grid They will usually reset automatically when the grid returns to normal operation If one of these faults is displayed it is best to wait for a few hours to see if it resets before calling your installer e High AC Voltage e LowAC Voltage e High AC Frequency e Low AC Frequency e No utility Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 35 Solar Energy Australia 9 2 Fault Messages and Diagnostic Procedures for use by Solar Installers only DANGER The following diagnostic procedures must only be carried out by a qualified solar installer Lethal voltages will be exposed during some of these tests The following table lists LCD fault messages and their solutions INVERTER AND PV SYSTEM TROUBLESHOOTING GUIDE Red fault LED ON e e LCD Message Diagnosis and Solution Isolation Fault There is an electrical fault between the PV panels or wiring and protective earth or the input surge suppression circuitry on the SPG 600 4K6 has been damaged due to a lightning surge 2 Turn off the PV array main switch es the solar supply main switch and the AC isolation device if present 3 Unplug the PV inputs from the inverter 4 Turm on
3. 4mm PV input cables terminated with the appropriate cable couplers from the same manufacturer WARNING Always use cable couplers from the same manufacturer as the input terminals on the inverter Do not use connectors from different manufacturers as this can cause a fire hazard Use the input cables supplied with the unit WARNING Ensure that the solar supply main switch AC isolation device if present and PV Array DC isolator s are turned off and locked before connecting the PV array to the inverter Confirm that the AC mains connections have been completed before connecting the PV array to the inverter Ensure that the inverter has been connected to protective earth Connect the inverter PV array s to the inverter as follows 1 Connect the input cables to the PV Array DC isolator s The cable with the female connector is connected to the positive voltage The cable with the male connector is connected to the negative voltage Do not connect the cables to the input of the inverter at this time 2 With full sun on the PV arrays turn on the PV Array DC isolator for one PV array and measure the open circuit voltage at the input cable connectors Ensure that this voltage is within design limits and is less than 750Vdc Check that the voltage polarity is correct Turn off the PV Array DC isolator Page 20 Doc No SPG 1603G Rev 7 12 2011 Orion Manual Solar Energy Australia 3 Short circuit the PV array positive and negative ca
4. gt Normal States If there is insufficient sunlight to continue generating power the inverter goes through the reconnect sequence as follows Normal The inverter is initially in the normal state generating power into the AC mains grid Standby Waiting There is insufficient sunlight to continue generating power The inverter disconnects from the AC mains grid and enters the Standby or Waiting states Vrv lt 100 Vdc or Pac 0 0W for gt 1 minute Solar Energy Australia E Vrv gt 100 Vdc Vev lt 100 Vdc Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 25 Solar Energy Australia Page 26 Vev gt 100 Vdc Vrv lt 100 Vdc Vev gt 150 Vdc Vev lt 150 Vdc g E Reconnect Once the input voltage rises above r 150Vdc the inverter attempts to reconnect to the grid The inverter monitors the AC mains grid voltage and frequency for 60 seconds before it z connects to the grid The display counts down from I 60S to 00S If the input voltage drops below 150Vdc again the e inverter returns to the Waiting state CH V Reconnect 00S a gt Normal At 00S the inverter connects to the grid and starts to feed power into it The inverter goes into the Normal state The green power LED turns on and over a few minutes the output power Pac inci reading rises from 0 0W to the maximum power point output power Solar Energy Australia If there is sufficient su
5. the PV array main switch es 5 Measure the following three voltages supplied by each PV array using a multimeter with a 10MQ input resistance a PV to PV b PV to protective earth c PV to protective earth 6 Confirm that b c is much less than a 7 lf b c is approximately equal to a there is an electrical fault in the array Carefully inspect all PV panels and array wiring for damaged insulation 8 Temporarily connect a 1kKQ 10W resistor between and on each inverter input Wait until the voltages across these resistors are all less than 1V 9 With the 1kQ resistors in 8 connected check the DC resistances between each PV input terminal on the inverter and protective earth These resistances should be greater than 1MQ If any of these resistances are less than 1MQ the input surge protection has been damaged Contact SEA service System Fault Ground Fault There has been excessive leakage current from the PV array to the earth while the inverter was generating power This fault can occur sometimes during heavy rainfall or if there is heavy condensation on the PV arrays due to increased leakage currents between the arrays and earth via this water If this is the case once the array has dried off the fault should clear on startup the next morning 2 Here has not been any water on the PV array there is an electrical fault between the PV panels or wiring and protective earth or the input surge suppression cir
6. the menu reverts to the Normal State display after a few seconds Fk Press the function button ORION to loop through the LCD A Solar Energy Australia _ Vac xxx xV SPG 600 4K6 Grid voltage Pac XXXX XW Pac NNN XW Model Number Frequency xx xHz Ver Xx xx Grid frequency Pac XXXX XW Pac XXXX XW Firmware version PV Array voltages for Vdc xxx xxx xxx V St Normal State Normal State inputs trackers 1 2 3 Pac XXXX XW Pac XXXX XW PV Array currents for Idc xxx xxx xxx A Contrast m m E LCD Contrast inputs trackers 1 2 3 Pac XXXX XW Pac XXXX XW AC output current AC current xx x A Set Language to grid Pac XXXX XW Pac XXXX XW Language Setting AC output power Pac XXXX XW Etoday xxx xxKW Energy generated to grid Pac XXXX XW Pac XXXX XW today Energy generated Energy xxxxxx kWh since installation Pac XXXX XW Screen included if inverter is not in normal state Screen included if inverter is in normal state Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 27 Solar Energy Australia 6 2 1 6 2 2 Page 28 Adjusting the LCD Contrast lf the LCD is hard to read as it may be in elevated temperatures adjust the contrast as follows D ORION T Solar Energy Australia E dr 5 E When in Normal State press the function button repeatedly until the contrast screen is displayed Contrast m m E Pac XXXX XW Press and hold the function button for approximately one se
7. will be held at the present screen Firmware version F W version information Setting Language Set Language Set up the display language Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 31 Solar Energy Australia 7 0 Communications Options The Orion supports powerful communications and monitoring options An RS232 interface is fitted as standard The unit also supports an RS485 interface which is available at extra cost from your supplier The SPG 600 4K6 does not have an internal datalogger Monitoring and logging of one or more inverters can be done on a Windows PC using the Procontrol software package which is available from your supplier Using this package you can monitor one inverter via the RS232 interface or multiple inverters via the optional RS485 interface SEA also has available dataloggers for monitoring and logging up to 20 inverters via the RS485 interface Contact your supplier for details RS232 Port amp Cover Communication Slot WARNING Before connecting the RS232 interface or installing and connecting the RS485 interface card ensure that the inverter and the PC or datalogger are both turned off To shut down the inverter and restart it after connecting these interfaces follow the procedures in sections 5 6 and 5 5 respectively 7 1 RS232 Interface A standard 9 pin female D type connector DB9 is provided for RS232 connection to a Windows PC This interface is configured as Data Circuit Terminati
8. Inverter Faults NN ee Consistent failure Consistent fault The readings of the two internal microprocessors do not agree ee Temperature too high Over temperature Internal temperature is excessive ee Output relay failure Relay failure One of the grid connection relays is faulty WW Output DC injection DC INJ High The inverter is generating excessive DC current on the AC mains grid too high ee EEPROM problem EEPROM Failure The EEPROM memory inside the inverter has a data access problem Communication SCI Failure The communications between the two microprocessors has failed failure between microprocessors We DC bus voltage too High DC Bus The internal DC bus voltage is higher than expected high Page 30 Doc No SPG 1603G Rev 7 12 2011 Orion Manual solar Energy Australia LEDS AND OPERATING MESSAGE CONDITIONS DC bus voltage too Low DC Bus The internal DC bus voltage is lower than expected low 2 5V reference Ref 2 5V Fault The internal 2 5V reference is faulty voltage problem Output DC sensor DC Sensor Fault The DC current sensor on the output is giving an abnormal reading problem GFCI detection GFCI Failure The internal ground fault current interrupter GFCI circuit is giving an abnormal problem reading Inverter Information Model display SPG 600 4K6 Inverter model SPG 600 4K6 LCD contrast The top menu of LCD contrast setting LCD contrast setting Set Contrast Set the display contrast LCD display lock The display
9. Isolation failure Isolation fault There is an electrical fault between the PV panels or wiring and protective earth or the input surge suppression circuitry on the SPG 600 4K6 has been damaged due to a lightning surge This alarm will be displayed on initial application of PV power The inverter will not attempt to connect to the AC mains grid until this fault is rectified GFCI active Ground fault There has been excessive leakage current from the PV array to the earth while the inverter was generating power The inverter has disconnected from the grid and latched in this state due to this fault Grid failure High AC Voltage The AC mains grid voltage is above the overvoltage limit default 263Vac The inverter has disconnected from the grid Grid failure Low AC Voltage The AC mains grid voltage is below the undervoltage limit default 207Vac The inverter has disconnected from the grid Grid failure High AC Frequency The AC mains grid frequency is above the overfrequency limit default 50 75Hz The inverter has disconnected from the grid Grid failure Low AC Frequency The AC mains grid frequency is below the underfrequency limit default 49 25Hz The inverter has disconnected from the grid No utility No utility The AC mains grid is not available There has been a mains power failure or the AC mains grid has been turned off ee Input voltage too high PV over voltage The input voltage Vrv is greater than 750V on one of the inputs
10. Note that DC circuit breakers are polarity sensitive This part must be located close to the inverter It must not be installed in the AC main switchboard or distribution board to which the output of the inverter is connected Page 16 Doc No SPG 1603G Rev 7 12 2011 Orion Manual solar Energy Australia TYPICAL CONNECTION OF SPG 600 4K6 INVERTER TO THREE INDEPENDENT PV ARRAYS SPG 600 4K6 Inverter PV Array 1 F i 8 i i i GEN PV Array 1 DC Isolator SEL g z fe CR ER and Overcurrent EJE E Ges lt 17A Protection Blo oe CH st ost st Voc array lt 750 Vdc PV Array 2 DC Isolator Imp lt 8 EA and Overcurrent Isc array lt 17A Protection PV Array 2 Voc array lt 750 Vdc PV Array 3 DC Isolator Imp lt 8 5A and Overcurrent Isc array lt 17A Protection a PV Array 3 Voc array lt 750 Vdc Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 17 Solar Energy Australia TYPICAL CONNECTION OF SPG 600 4K6 INVERTER TO TWO INDEPENDENT PV ARRAYS ls c array lt 17A SPG 600 4K6 Inverter PV Array 1 PV Array 1 DC Isolator g z e ee and Overcurrent E 8 5A lt Imp lt 17A l 7 7 T 17A Protection CH CH Voc array lt 750 Vdc PV Array 2 DC Isolator Imp lt 8 EA and Overcurrent Isc array lt 17A eee PV Array 2 Voc array lt 750 Vdc Page 18 Doc No SPG 1603G R
11. T disconnect the inverter s PV input connectors under load Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 23 Solar Energy Australia 6 0 Operating the Orion 6 1 Operating Modes Once it has been commissioned the SPG 600 4K6 operates automatically The Orion has 3 modes of operation shutdown operating and fault modes 1 Shutdown Mode During periods of little or no sunlight Vrv lt 90Vdc approximately the Orion stops running In this mode the Orion takes no power from the grid the front panel LCD and LEDs are turned off and the function button is inactive The inverter is in this state at night 2 Operating Mode In this mode the PV generating system and inverter are operating normally Depending upon the amount of available sunlight the inverter may or may not be generating power into the AC mains grid The inverter monitors the PV array and adjusts its own operation appropriately In this mode there are three general sequences of operating states which the Orion follows normal state initial startup sequence and reconnect sequence a Normal State In normal state the inverter is connected to the AC mains grid and is generating power into it The inverter stays in this state so long as there is sufficient sunlight and there are no faults Solar Energy Australia b Initial Startup Sequence Waiting gt Checking gt Normal States In the morning the inverter goes through a sequence of states as it initially c
12. bles through a DC ammeter With full sun on the PV array turn on the PV array DC isolator and measure the short circuit current This must be less than 17A Turn off the PV Array DC isolator This test is not necessary if 12A fuses are installed in series with each positive input terminal 4 Connect the PV array cables to the input of the inverter 5 Repeat steps 2 to 4 for the other arrays if present 5 4 2 3 Earthing of PV Array Frames The frames of all PV panels connected to the SPG 600 4K6 must be connected to protective earth to prevent electric shock hazards The earthing cables must be sized following the appropriate requirements of AS NZS3000 and AS NZS5033 In particular current rating of earthing cables must follow the same rules as for the current rating of PV array circuits defined in table 3 1 of AS NZS5033 Attention must be paid to the possibility of galvanic corrosion due to dissimilar metals of the array frames typically anodized aluminium and the earthing cable copper Earthing lugs must be able to cut through the anodized finish on the panel frames as this is an electrical insulator Also these cables must be configured so that on disconnection and removal of any panel or the inverter all other panels remain connected to protective earth 5 4 3 Installing Communication Interfaces The SPG 600 4K6 can communicate operating data and status via an RS232 interface or an optional RS485 network card Details of these interfaces are
13. cally overnight If the fault condition persists the inverter fault will re occur on the following day Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 37 Solar Energy Australia 10 0 Specifications Model SPG 600 4K6 ELECTRICAL INPUT Nominal input voltage 600Vdc 750Vdc 100V to 750Vdc 125V to 750Vdc 150Vdc Maximum PV array open circuit voltage Operating input voltage range MPPT voltage range Activating voltage Number of inputs MPP trackers 3825W 8 5A 450V to 750Vde 17A Maximum input power per input tracker Maximum inverter DC current drawn per input tracker Input voltage range for full power per input tracker Maximum PV array short circuit current per input tracker OUTPUT Nominal output Power 4600W 5000W 230Vrms Output voltage range 200V to 270Vrms Operating output voltage range 207V to 263Vrms Firmware setting Maximum output Power 10 minutes Nominal output voltage 50Hz Output frequency range 45Hz to 55Hz Operating output frequency range 49 25Hz to 50 75Hz Firmware setting Nominal output frequency NO A 25 5A Output power factor gt 0 99 Output current distortion THD lt 3 96 European efficiency 94 at nominal input voltage ENVIRONMENT Protection degree Nominal AC current Maximum AC current Maximum conversion efficiency IP65 per AS60529 20 to 55 C 0 to 95 non condensing Operating temperature range Humidity Natural Convecti
14. ce is at Solar Energy Australia s discretion Solar Energy Australia will in no way be held responsible for any losses incurred due to the malfunctioning or failure of a product Suitably qualified personnel MUST carry out wiring Failure to do so cannot justify a warranty claim Except for the foregoing expressed warranty Solar Energy Australia makes no other warranty expressed or implied including but not limited to the warranty of merchantability or fitness for a particular purpose If you have any questions about this warranty please do not hesitate to contact us NOTE Packing for service and transportation we recommend you keep the original packing in which your Orion was supplied This is the best way to protect your unit should shipping be required Solar Energy Australia cannot be held responsible for units damaged in transit Doc No SPG 1603G Rev 7 12 2011 Orion Manual solar Energy Australia 3 0 Important Safety Information Before commencing installation please read carefully and follow the recommended guidelines below for trouble free operation DO NOT remove the cover This inverter contains no user serviceable parts Removal of the cover will invalidate the warranty and may result in injury Energy stored in this equipment s internal DC link capacitors presents a risk of electric shock if the cover is removed Even after the unit is disconnected from the grid and PV panels hazardous voltages can exist inside the uni
15. cond to Set Contrast start Set Contrast Pac XXXX XW Contrast nunlili Pac XXXX XW Once the desired contrast Pushing the function button setting is found DO NOT repeatedly steps back and push the function button for forth through the contrast Contrast m m E at least 10 seconds The settings Pac XXXX XW new contrast setting will be saved and the display will revert to Normal State Contrast Pac XXXX XW Locking the LCD Display Sometimes you may wish for the LCD display to show a particular parameter indefinitely rather than reverting to the Normal State display after a few seconds The display can be locked as follows Press the function button repeatedly until the desired parameter is displayed Grid frequency in this example Frequency xx xHz Pac XXXX XW Press and hold the function button for approximately one second Lock Pac XXXX XW The screen displays Lock and then returns to the previous screen This screen will be displayed indefinitely Frequency xx xHz Pac XXXX XW After a few seconds the To remove the lock press the Send r Normal function button once The display disp ay evens to Noma State will show the next parameter on the main menu Vdc xxx xxx xxx V Pac XXXX XW Doc No SPG 1603G Rev 7 12 2011 Orion Manual solar Energy Australia 6 2 3 6 2 4 6 3 6 4 LCD Backlight The LCD backlight turns on whenever the function key is
16. cuit on the SPG 600 4K6 has been damaged due to a lightning surge Perform the tests in Isolation Fault above High AC Voltage 1 Wait for 5 minutes If the grid returns to normal the inverter will automatically restart Low AC Voltage 2 Measure the grid voltage and frequency and confirm that they are within the High AC Frequency over under voltage and over under frequency limits for the inverter The factory Low AC Frequency programmed limits are 263Vrms 207Vrms 50 75Hz and 49 25Hz respectively however the local utility may have required these to be changed at system commissioning No Utility 1 The AC mains grid has been disconnected 2 Check that AC mains voltage is present at the main switchboard and the distribution board to which the SPG 600 4K6 is connected 3 Check that the solar supply main switch and AC isolation device if present are turned on 4 Check the connections to the inverter s AC output cable PV over voltage 1 Check that the PV input voltage is less than 750Vdc 2 If less than 750Vdc and the fault persists contact SEA service Page 36 Doc No SPG 1603G Rev 7 12 2011 Orion Manual Solar Energy Australia INVERTER AND PV SYSTEM TROUBLESHOOTING GUIDE Red fault LED ON e e LCD Message Diagnosis and Solution Over temperature Check that the inverter heatsink and ventilation holes on the top and bottom of the inverter are clean and free from debris Reduce the ambient temperature by improvin
17. emperature will shorten its lifespan For optimal operation it is recommended that the inverter be installed where the ambient temperature during full power operation is between 0 C and 40 C The inverter should not be installed in areas exposed to high humidity and condensation Humidity should be in the range 0 to 95 non condensing Do not install the inverter near flammable items Keep explosive vapours away from the inverter The inverter is heavy 27 85kg Select a wall or solid vertical surface which is strong enough to support this weight The inverter must be mounted vertically Ensure that the inverter does not tilt forward Do not mount the inverter horizontally Do not place any items on the top of the inverter as this will block the cooling airflow Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 9 solar Energy Australia 5 3 2 Mounting the Inverter to the Wall 1 Locate the inverter so that there is at least 50cm of cooling space above and below it Minimun space 50 cm e Minimun space 50 cm Page 10 Doc No SPG 1603G Rev 7 12 2011 Orion Manual Solar Energy Australia 2 Option 1 Fix the bracket using the outer mounting holes Recommended Mark the four outer holes as shown below 4 Pcs Outer Holes 4 Pcs Snap Bushings 4 Pcs Screws 267 mm k MOUNTING BRACKET DIMENSIONS OF OPENING Drill the four holes and drive the four
18. ersons other than those authorized by Solar Energy Australia or to products which become defective due to acts of God fire sabotage vandalism contaminated fluids negligence or failure to operate house and maintain the product in accordance with instructions provided in this manual This warranty does not cover repairs made necessary due to the product coming in contact with dirt abrasives moisture erosion corrosion varnish or other similar or failure due to poor quality of other system components Solar Energy Australia will repair or replace the defective product in accordance with its best judgment For service under warranty the buyer must contact Solar Energy Australia to obtain a Return Materials Advice RMA document and shipping instructions before returning the unit Products returned without prior authorization may be delayed The buyer will pay all charges incurred in returning the product to the factory including any charges incurred for the removal or reinstallation of the inverter and or its system components Solar Energy Australia will pay return freight charges if the product is found to be defective within the terms of this warranty Repair or replacement of any unit does not extend the original warranty terms in any way Solar Energy Australia reserves the right with some models to supply an accredited installer with replacement parts Aust only This may allow the unit to become operable much quicker This choi
19. ev 7 12 2011 Orion Manual solar Energy Australia TYPICAL CONNECTION OF SPG 600 4K6 INVERTER TO TWO INDEPENDENT PV ARRAYS Is c array1 gt 17A Is c array2 lt 17A PV Array 1 12Adc fuses required in series with inputs 1 and 2 positive leads PV Array 2 Doc No SPG 1603G Rev 7 12 2011 Orion Manual 8 5A lt Imp lt 17A 2 Isc array gt 17A Imp lt 8 5A Isc array lt 17A Voc array lt 750 Vdc SPG 600 4K6 Inverter hp shp a ht WE EI EI Ei E EI EI Ei E olol olo op op Wl op t t lll ai PV Array 1 DC Isolator d Overcurrent Protection PV Array 2 DC Isolator and Overcurrent Protection Page 19 Solar Energy Australia TYPICAL CONNECTION OF SPG 600 4K6 INVERTER TO ONE PV ARRAY ls c array gt 17A SPG 600 4K6 Inverter l hf 3 gla gp ed KU SUE E E amp ESCH E E E EJE S EE o ol gl g Ku Ku Ku Ku Ku Ku sl PV Array si all 8 du T WT PV Array DC Isolator 17A lt Imp lt 25 5A and Overcurrent Isc array gt 17A Protection Voc array lt 750 Vdc Ea 12Adc fuses required in series with each positive input lead 5 4 2 2 Connecting the PV Array Cables to the Inverter The input terminals on the SPG 600 4K6 are either Multicontact MC4 series or Wieland Electric PST40i1 connectors The SPG 600 4K6 is supplied with three pairs of
20. g ventilation around the inverter lf the fault persists contact SEA service GFCI Failure Turn off the PV array main switch es the solar supply main switch and the AC isolation device if present Leave these switches off for at least one hour Turn the PV array main switch es the solar supply main switch and the AC isolation device if present back on The fault should reset lf the fault persists contact SEA service High DC Bus Check that the AC mains grid L Active and N Neutral leads have not been reversed Turn off the PV array main switch es the solar supply main switch and the AC isolation device if present Leave these switches off for a few seconds Turn the PV array main switch es the solar supply main switch and the AC isolation device if present back on The fault should reset If the fault persists contact SEA service Turn off the PV array main switch es the solar supply main switch and the AC Relay failure isolation device if present Leave these switches off for a few seconds DC INJ High Turn the PV array main switch es the solar supply main switch and the AC isolation EEPROM Failure device if present back on The fault should reset SC Failure lf the fault persists contact SEA service Low DC Bus Ref 2 5V Fault DC Sensor Fault GL LL ab ab gt Notes 1 If not reset manually any inverter fault will clear automati
21. he AC cover S EE a Connecting to the PV Array DC WARNING The SPG 600 4K6 Orion is a non isolated grid feeding inverter LV mains voltage and DC voltages up to 750Vdc with respect to ground will be present on the PV inputs when the unit is operating All system wiring including the PV array and associated wiring must be installed by a licensed electrician and accredited solar installer Doc No SPG 1603G Rev 7 12 2011 Orion Manual solar Energy Australia 9 4 2 1 PV Array Requirements The PV array design and installation must comply with the requirements of AS NZS5033 The Orion has input connections for up to three separate PV arrays Each input has an independent MPP maximum power point tracker allowing different PV array designs and orientations to be used for each input Inputs can paralleled The individual MPP trackers will automatically detect if they are connected in parallel and balance their current draw This flexibility allows up to three different PV arrays to be connected to the same inverter with simultaneous correct maximum power point operation on all arrays The maximum input power Prv versus input voltage Vrv for each input tracker is shown in the following diagram Each input tracker is rated to a maximum curre
22. ient temperature is less than 55 C preferably less than 40 C Allow a minimum of 500mm for ventilation above and below the unit Keep the black heatsink fins and ventilation holes free of dust and obstructions to airflow Inadequate air circulation can lead to overheating and overload Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 5 Solar Energy Australia Hot Surfaces Although this unit is designed to meet all safety requirements some parts and surfaces will become hot during operation To reduce the risks of injury do not touch the black finned heat sink at the rear of the unit or nearby surfaces whilst the Orion is operating Page 6 Doc No SPG 1603G Rev 7 12 2011 Orion Manual Solar Energy Australia 4 0 Product Overview 4 1 4 2 Product Description The SPG 600 4K6 Orion is a highly efficient true sine wave DC AC Inverter designed for solar grid feeding applications The unit operates from a photovoltaic PV solar array DC power source and generates a 230 VAC 50 Hz current output for direct connection to the LV low voltage power grid The unit operates with PV input voltages between 100VDC and 750VDC It provides a maximum continuous output power of 4600W to the AC grid with a short duration rating of 5000W for up to ten minutes The inverter automatically limits output power The Orion has input connections for up to three separate PV arrays Each input has an independent MPP maximum power point tracker allo
23. it connects The display counts down from 60S to 00S Solar Energy Australia Checking 00S Page 22 Doc No SPG 1603G Rev 7 12 2011 Orion Manual Solar Energy Australia At 00S the inverter clicks several times as it tests its internal grid connect relays Once the microcontrollers are satisfied that all is in order the unit closes the grid connect relays and starts to feed power to the grid The green power LED turns on and over a few minutes the output power Pac reading rises from 0 0W to the maximum power rete R point output power Solar Energy Australia E The inverter is now on line and is feeding solar power to the grid 5 6 Shutting Down the PV Generating System If the PV generating system has to be shut down the shutdown procedure is the reverse of the commissioning procedure as follows 1 Turn off the AC isolation device if present and the solar supply main switch 2 One by one turn off the PV array DC isolators 5 7 Replacement of Inverter If the inverter has to be replaced disconnecting and removing the inverter is the reverse of this installation procedure keeping in mind the following Ensure that the solar supply main switch AC isolation device if present and PV Array DC isolator s are turned off and locked before disconnecting the inverter When disconnecting the PV array from this inverter protective earth must remain connected The AC mains grid must be disconnected last DO NO
24. its beyond which the inverter will not generate any power Ensure that the grid voltage does not exceed 264 5Vac under any conditions or the inverter may be damaged e Confirm that the AC frequency is within the range 49 25 50 75Hz These are the under and over frequency limits beyond which the inverter will not generate any power e lf the local utility requires different grid under and over voltage or under and over frequency limits these parameters can be changed Please contact your supplier Page 12 Doc No SPG 1603G Rev 7 12 2011 Orion Manual solar Energy Australia 5 4 1 2 Connection to the Switchboard Connections to the main switchboard or a distribution board must comply with the appropriate requirements of AS NZS3000 and AS4777 1 Many configurations are acceptable The following diagram is an example of a typical configuration with a connection to the main switchboard SPG 600 4K6 Inverter Main Switchboard Solar Supply Main Switch and Overcurrrent Protection Grid Supply Main Switch Consumers mains AK to grid AC Isolation Device if required Way In all installations the following items must be provided e Solar supply main switch and overcurrent protection This is located in the main switchboard or distribution board to which the inverter is to be connected This part typically consists of a single pole lockable 32A circuit breaker e AC Isolation device If the inverter is l
25. ive and negative terminals Refer to the Installation section for PV array design and connection information Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 7 Solar Energy Australia 4 AC Output Three pole screw terminal L N for connection to 230Vac 50Hz AC mains grid This terminal is protected by a water proof cover not shown 5 Optional Communication Port and Cover An optional port to extend the communication interface for example by installing an RS485 network card The port is protected by a water proof cover 6 RS232 Port This interface allows communication with a PC via a standard RS232 DB9 COM port 7 Front Panel Display Displays operating status and alarms See below 4 3 Front Panel Display LCD Display Function Button Power on LED Fault LED LCD Display This is a 2 line 16 character alphanumeric display which shows inverter status operating parameters and alarms e Power on LED Green This LED lights whenever the inverter is supplying power to the AC mains grid Fault LED Red This LED turns on if there is a system fault or an inverter fault Page 8 Doc No SPG 1603G Rev 7 12 2011 Orion Manual solar Energy Australia 5 0 Installation 5 1 Important Information ALL WORKS MUST BE CARRIED OUT BY A LICENSED ELECTRICIAN AND AN ACCREDITED SOLAR INSTALLER The entire generating system MUST be designed and installed in accordance with AS NZS3000 AS4777 and AS NZS5033 and any
26. king grid Checking Input voltage Vrv gt 150V The inverter is checking the grid voltage XXS shows XXS and frequency for 60 seconds before connecting to the grid for the countdown to first time Once the inverter has been connected to the grid on a connection particular day Reconnect xxS is shown rather than this screen Feeding grid Normal Inverter is feeding solar power to the AC mains grid MPPT State Waiting for Reconnect The inverter was disconnected from the grid and is now reconnection XXS attempting to reconnect The inverter is checking the grid voltage to the grid and frequency for 60 seconds before connecting In low light Checking grid conditions such as sunrise this checking time can increase XXS shows automatically to as much as 999 seconds if there have been countdown to several failed attempts to reconnect connection Parameter Monitoring Instantaneous Pac Output power to the AC mains grid in Watts output power XXXX XW Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 29 Solar Energy Australia LEDS AND OPERATING MESSAGE DESCRIPTION CONDITIONS Total energy which has been fed to the grid in kWh since the inverter was installed Grid voltage AC mains grid voltage in Vrms Grid frequency Frequency xx xHz AC mains grid frequency in Hz Output current to the AC mains grid in Arms Input voltage from PV array s 1 2 3 in Vdc Input current from PV array s 1 2 3 in Adc system Faults
27. ng Equipment DCE with no flow control It is suitable for direct connection with a PC RS232 COM port without a null modem The RS232 interface works over distances up to 50 metres Pin assignments on the DB9 connector are as follows Pino Signal Assignment Te B SSES NC No Connection Page 32 Doc No SPG 1603G Rev 7 12 2011 Orion Manual solar Energy Australia 7 2 The RS232 interface is located above the AC output terminal block To connect to this interface remove the two screws and hinge down the small cover Use a straight through DB9 male to DB9 female serial data cable to connect this interface to a COM port on your PC Secure each connector using the jack screws on the cable The COM port settings should be as follows e Baud rate 9600 Bits per second e Databits 8 e Parity None e Stop bits 1 e Flow control None RS485 Interface Optional An optional RS485 interface card is available from your supplier This card supports a 4 wire RS485 network allowing multiple inverters to be connected to a PC or a datalogger over distances up to 1 2km This card is installed in the communications slot to the right of the AC output terminal block To install this card remove and keep the four screws retaining the cover on the communications slot and remove this cover Remove and keep the two screws on the communications card slot Configure the DIP switches on the card feed the RS485 network cable s through the gland on
28. nlight the inverter stays in the Normal state generating power into the AC mains grid If there is insufficient sunlight the inverter goes through this reconnection cycle repeatedly until there is sufficient sunlight to generate power Note In continuing conditions of poor sunlight the Orion will attempt to minimize the number of reconnection cycles by increasing the starting value of the reconnect counter from 60 seconds up to a maximum of 999 seconds This behaviour is normal and does not indicate a fault When sufficient sunlight becomes available the Orion will reconnect and stay in the Normal state Fault Mode The SPG 600 4K6 s two intelligent microcontrollers continually monitor the PV generating system status If the Orion finds any abnormal conditions such as AC grid anomalies it displays a message on the LCD display turns on the red fault LED disconnects from the grid and stops generating power It remains in this mode until the cause of the fault is corrected Descriptions of the various fault conditions detected by the SPG 600 4K6 are provided in section 6 4 LED LCD Display Messages Doc No SPG 1603G Rev 7 12 2011 Orion Manual Solar Energy Australia 6 2 Using the LCD Display The function button is used to cycle through various system parameters These parameters can be viewed with the inverter in any operating or fault state This is a circular menu as shown below If the function button is not pressed
29. nt of 8 5Adc with a maximum power of 3825W The PV inverter will actively limit the current on each input to a maximum of 8 5Adc even if the PV array is able to supply more current Formula Curve Load Graph Ppev W 8 5 x Vpv Example For Input VDC gt 450V Ppv 3825 W For Input VDC lt 450V Ppv 8 5 x Vpv p om a E ee 100 200 300 400 500 600 700 800 Vow WARNING The maximum open circuit voltage Voc of each PV array must be less than 750Vdc UNDER ALL CONDITIONS Voc increases at low ambient temperature This increase must be included when designing the PV array WARNING The maximum PV array short circuit current which can be applied to each input terminal is 17A This current can flow in the event of an internal component failure in the inverter If the PV array short circuit current is greater than 17A the input terminals must be fused see below DO NOT disconnect the inverter s PV input connectors under load De energize the system by turning off the solar supply main switch AC isolation device if present and PV array DC isolator s before disconnecting the PV input connectors Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 15 Solar Energy Australia For optimum system design use the following general guidelines g 20 For a PV array with maximum power point current at full sun less than 8 5A use a single input For a PV array with maximum power point current between 8 5A and 17A connect
30. ny debris or dust from the heatsink and ventilation holes in the top and bottom covers of the inverter e Inspect all system cabling for damage and repair if necessary e Confirm that all electrical connections are tight and are free of corrosion This includes all inverter terminations PV panel terminations PV panel frame earth connections and AC mains grid connections e Clean the PV panels of dust and dirt accumulation WARNING To prevent the possibility of an electric shock turn off the PV generating system before working on any of the system wiring and before cleaning the PV panels Doc No SPG 1603G Rev 7 12 2011 Orion Manual solar Energy Australia 9 0 Troubleshooting Guide 9 1 User Diagnostics In the event of a problem with the PV system or the inverter the red fault LED will turn on and the LCD will display a message identifying the cause of the fault If the red fault LED is not illuminated the condition is likely normal operation of the PV generating system A summary of the LCD messages is provided in section 6 4 lf the condition is a fault record the following information before calling your installer to diagnose the problem These measurements can be made from the LCD display menu Refer to section 6 2 Push the function button to display the required information Information 1 Fault message from the first line of g S 3 AC grid frequency Frequency Hz Frequency 50 0Hz 4 PV array voltages 1 2 and
31. ocated more than 3 meters away from the main switchboard or distribution board to which it is connected or if the inverter is not in clear view of this board an AC isolation device must be provided adjacent to the inverter This device must be rated to interrupt the maximum AC output current from the inverter 25 5A 5 4 1 3 Connecting the AC Output Cable WARNING Ensure that the solar supply main switch AC isolation device if present and PV Array DC isolator s are turned off and locked before starting any wiring Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 13 Solar Energy Australia 9 4 2 Page 14 Connect the inverter AC output to the AC output cable as follows 1 The AC output cable should be selected in accordance with AS NZS3000 and AS NZS3008 We recommend using a minimum 4mm 3 core cable insulated cord end terminal 2 Unscrew the four screws around the AC output terminal block Retain these screws to install the AC connector cover 3 Locate the AC cover from the accessory box Loosen the cable gland on the AC cover and feed the AC cable through the cable gland bushing and AC cover 4 Strip the ends of each wire 10 12mm and terminate with crimp ferrules Tubber 5 Connect the wires according the polarities marked on the AC output terminal block Tighten the screw terminals firmly to a torque of 1 5Nm 6 Screw the AC cover to the chassis and tighten the cable gland to secure the cable to t
32. on lt 8W lt 0 1W Acoustic noise level 35 dBA typical Cooling Power consumption standby night Page 38 Doc No SPG 1603G Rev 7 12 2011 Orion Manual solar Energy Australia COMMUNICATIONS AND FEATURES Display 2 line 16 character liquid crystal display on front panel English language display of inverter and system parameters Displayed parameter selected by function button Green power LED Red fault LED Communications interface RS232 standard RS485 optional MECHANICAL WxDxH Net Weight 2 85kg COMPLIANCES EM Emissions EN 61000 6 3 Class B Immunity EN 61000 6 2 C Tick Grid Interface AS 4777 Safety AS NZS3100 AS NZS60590 1 Selected clauses per AS 4777 Australian Approval CS9377N Notes 1 Test conditions unless otherwise stated Input Vrv 1 23 600Vdc Output Vac 230Vrms 50Hz Pour 4600W Temp 25 C Equal power drawn on all three MPP trackers 2 specifications are subject to change without notice Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 39 Solar Energy Australia Solar Energy Australia PTY LTD Sydney 4 Beaumont Road Mt Kuring Gai NSW 2080 Tel 02 9457 2277 Fax 02 9457 2255 Toll Free 1800 779 668 www solaraustralia com au Page 40 Doc No SPG 1603G Rev 7 12 2011 Orion Manual
33. onnects to the AC mains grid and starts to generate power Wating As the sun rises the input voltage Vrv starts to rise from OV When this voltage reaches approximately 120Vdc the inverter enters the Waiting state The inverter checks it s internal status and the display shows the following screens Solar Energy Australia Solar Energy Australia cule Vev gt 150 Vdc Vrv lt 150 Vdc Page 24 Doc No SPG 1603G Rev 7 12 2011 Orion Manual Solar Energy Australia Checking Once the input voltage rises above 150Vdc the inverter attempts to connect to the AC mains grid The inverter monitors the AC mains grid voltage and frequency for 60 seconds before it connects The display counts down from 60S to 00S If the input voltage drops below 150Vdc again the inverter returns to the Waiting state Normal At 00S the inverter clicks several times as it tests its internal grid connect relays Once the microcontrollers are satisfied that all is in order the inverter closes the grid connect relays and starts to feed power to the grid The inverter goes into Normal state The green power LED turns on and over a few minutes the output power Pac reading rises from 0 0W to the maximum power point output power If there is sufficient sunlight the inverter stays in the Normal state generating power into the AC mains grid Checking 00S Reconnect Sequence Normal gt Standby gt Waiting gt Reconnect
34. plete status e Maintenance free information Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 3 solar Energy Australia 2 0 Page 4 solar Energy Australia Warranty Terms and Conditions IMPORTANT YOU MUST REGISTER YOUR WARRANTY Your warranty can be registered by either completing and returning your warranty card or online at www solaraustralia com au It is extremely important that all installation instructions contained within this manual are strictly adhered to Failure to do so will void your warranty If this unit is installed within 1km of the coast steps should be taken to prevent salt water or spray entering the unit Any corrosion related problems are not covered under the terms of this warranty A fully marine version of this unit is not available Solar Energy Australia warrants this inverter against defects in material or workmanship for a period of five 5 years from the date of purchase when in normal use and service The warranty period will provide a total of five 5 years if a completed warranty card is received within 60 days of purchase No warranty will be provided on units which have not been paid for in full Some models may have the option of purchasing an extended warranty period see elsewhere in this manual for details This manufacturer s warranty is in addition to your consumer rights under local trade practices act This warranty does not extend to products which have been opened altered or repaired by p
35. pressed After 30 seconds of inactivity the backlight switches off LCD Accuracy The readings on the LCD are just for reference They should not be used for metering purposes Typically the readings during normal operation are accurate to 2 but accuracy can change by as much as 5 over various modes of operation Maximum Power Point Tracking MPPT The SPG 600 4K6 tracks the maximum power separately for its three PV array inputs When the output power on the LCD display is stable the inverter is operating at the maximum power point and is generating the maximum power available from the PV arrays When the power reading fluctuates the inverter is tracking changes in power from the PV arrays due to varying levels of sunlight LED LCD Display Messages The following table lists operating conditions status of the SPG 600 4K6 and the corresponding LCD messages and LED indications The following colour code is used to show the LED status Power on LED green on fault LED red off ee Power on LED green off fault LED red on es Both LEDs off ee LEDS AND OPERATING MESSAGE DESCRIPTION CONDITIONS Normal Operation No display PV inverter is shutdown Vrv lt 90Vdc Standby Standby 90Vdc lt input voltage Vrv lt 100Vdc Initialization and Waiting Input voltage Vrv is in the range 100 150Vdc The inverter waiting is waiting for the input voltage to rise above 150Vdc before attempting to connect to the AC mains grid Chec
36. provided in section 7 0 The interfaces must be connected with the inverter de energized If possible it is best to do this installation before commissioning the generating system 5 5 Commissioning the PV Generating System Commissioning the PV generating system must follow the requirements of the energy utility Once permission has been granted start up the inverter as follows 1 Confirm that all system wiring has been done correctly 2 Check that the AC mains grid compatibility checks have been performed 3 Check that the PV array open circuit voltage s and short circuit current s have been measured and that these are within the ratings of the inverter 4 One by one turn on the PV array DC isolators Once the input voltage is greater than approximately 120Vdc the LCD display will show the following screens in sequence Solar Energy Australia Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 21 Solar Energy Australia 5 Turn on the solar supply main switch and the AC isolation device if present After a few seconds the inverter shows the following screen momentarily This indicates that the inverter has detected the AC grid The red fault LED is then turned off If the input voltage Vpy is less than 150Vdc the inverter shows this screen Once the input voltage Vpy goes above 150Vdc the inverter attempts to connect to the AC mains grid The inverter monitors the grid voltage and frequency for 60 seconds before
37. requirements of the local electricity utility Note This unit is classified as a non isolated PCU as per AS NZS5033 5 2 Unpacking the Inverter Carefully remove the unit from its packaging and inspect for external damage before installation Please contact your supplier if the unit is damaged Check that the package contains the following e 1 x SPG 600 4K6 inverter e 3x 4mm PV input cables with male cable couplers installed e 3x 4mm PV input cables with female cable couplers installed e Operation and installation manual e Inverter mounting bracket e 6X mounting screws and 6 x snap bushings e 2x Safety locking screws e 1XAC cover with cable gland and rubber bushing installed e SEA Warranty card 5 3 Mounting the Inverter 5 3 1 SCH Selecting the Mounting Location To obtain the best results from your inverter please consider the following before installing the device DO NOT expose the inverter to direct sunlight Direct sunlight increases the internal temperature of the inverter which reduces its conversion efficiency Choose a dry location which is out of direct sunlight Provide adequate cooling space around the inverter Please note that the inverter can dissipate approximately 200 250W of heat at full power Ensure that the ambient temperature remains within the specified range 20 C to 55 C under all conditions Although the inverter can operate at up to 55 C continuous operation at high t
38. rthing including earthing of PV array frames e PV module equipment class and required approvals Protection from lightning should be provided per AS NZS1768 This inverter is a non isolated transformerless grid feeding inverter LV mains voltage will be present between the PV array and earth when the inverter is operating This inverter is classified as a non isolated PCU per AS NZS5033 The PV array framework must be bonded to protective earth with an earthing conductor sized according to AS NZS3000 When connecting and disconnecting the PV array to this inverter protective earth must remain connected The grid AC utility must be connected first and disconnected last This inverter has an integral GFCI ground fault current interrupter which detects residual current in the system ground This circuit disconnects the inverter from the grid if this current is greater than 30mA This circuit provides protection from a ground fault in the PV array or accidental contact with the PV array circuitry Generally this inverter is not suitable for use with thin film PV panels Check with your panel manufacturer that the PV panels can be used with a non isolated transformerless grid feeding inverter Do not install this inverter near flammable items Keep explosive vapours away from the inverter Ensure that the inverter is installed in a dry location with adequate ventilation Do not expose the unit to direct sunlight and ensure that the amb
39. snap bushings into the holes Insert the four mounting screws and tighten the mounting bracket to the wall 3 Option 2 Fix the bracket using the central mounting holes For mounting the unit to a narrow upright Mark the three central holes as shown below 3Pcs Outer Holes 3Pcs Snap Bushings 45mm 25mm DIMENSIONS OF OPENING MOUNTING BRACKET Drill the three holes and drive the three snap bushings into the holes Insert the four mounting screws and tighten the mounting bracket to the wall Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 11 Solar Energy Australia 4 Mount the inverter onto the bracket as shown below slety Lock Sene i Safty Lock Screw 5 Install the two safety locking screws into the threaded holes in the sides of the inverter IMPORTANT After hanging the unit make sure that the safety locking screws are fitted properly and that the inverter cannot be lifted from the mounting bracket 5 4 Electrical Installation WARNING When connecting and disconnecting the PV array to from this inverter protective earth must remain connected The AC mains grid must be connected first and disconnected last 5 4 1 Connecting to the AC Mains Grid 5 4 1 1 Compatibility Checks Before connecting the inverter to the AC grid please check the following e Confirm thatthe AC grid voltage is within the range 207 263Vac These are the under and over voltage protection lim
40. ssssssssssssssisssneeseee 21 5 6 Shutting Down th PV Generating SY SUI ae edel 23 57 Replacement of INVETE E 23 6 0 oDer e ONO eee a a a a iA 24 6 1 D E a E EE EE EE EE T E T E E E E A EE 24 6 2 Using the LOD VIE EE 27 6 2 1 EISCHEN tee EE dE 28 6 2 2 Locking the LED EE 28 6 2 3 LCD Backlight 2 cee cess sessenesssentesnunnesnnsunsnnuussneusnsnnuusesnesuneanuusennuunennuusesnuunssnusesssussessassesseunsssnussssuiusessiisssssuiussseiusesseuisesseuunsseeeee 29 Be e ee Tue cates fae ete vtec sea EEEE cineca cinerea ad E penne ne meant patel noon eat ened 29 6 3 Maximum Power Point Tracking MRT 29 6 4 PET IS E 29 7 0 Communications AT CN 32 7 1 RYA Alt e e csiresszze ave oyontsshanseanocnnavcaseasesodis a snsnsalevreasemiosnd sca toteasdtrinstbwibtied doa snc lester en csevtioeesonaion dns estan nanos oti nastcaudaeucedooavsshan ian ebnvon sand aah ineaitansiedoedonntSusibe os 32 1 2 Rodo aine ee OPONA aa E EE E 33 8 0 Ell EE 34 8 1 EE cece geen cc Ee 34 8 2 Anual inspection and Ceann EE 34 9 0 paame g ean pe peT E 35 9 1 User DiaQmOStiCS 30 9 2 Fault Messages and Diagnostic Procedures for use by Solar Installers on 36 10 0 Specifications Model SPG 600 4K6 E 38 Page 2 Doc No SPG 1603G Rev 7 12 2011 Orion Manual Solar Energy Australia 1 0 Introduction and General Information Thank you for choosing to purchase another quality inverter from Solar Energy Australia This product has been developed to provide you
41. t for at least 8 minutes The inverter must be returned to SEA for servicing Grid feeding inverters convert the DC current derived from solar arrays into AC current that is fed into the LV low voltage electricity distribution grid DO NOT connect a wind generator turbine or battery bank to the input of this inverter severe damage will result Only PV panels may supply the unit DO NOT connect the output of this inverter to a standalone inverter or generator This inverter may only be connected to the LV electricity grid IMPORTANT Isolate this inverter from both the PV array and mains grid BEFORE commencing any installation or service work DO NOT disconnect the inverter s PV input connectors under load De energize the system by turning off the solar supply main switch AC isolation device if present and PV array DC isolator s before disconnecting the PV input connectors All system wiring including the PV array and associated wiring must be installed by a licensed electrian and accredited solar installer The entire generating system MUST be designed and installed in accordance with AS NZS3000 AS4777 AS NZS5033 and any requirements of the local electricity utility Particular attention must be paid to the design of and selection of components for the following e PV and mains disconnection devices e PV and mains fault current protection e PV cable selection current rating and insulation e PV system and equipment ea
42. the array to two paralleled inputs For a PV array with maximum power point current between 17A and 25 5A connect the array to all three inputs in parallel lf the short circuit current of a PV array is less than 17A you may connect directly to the SPG 600 4K6 If the short circuit current is greater than 17A you must add a 12A DC fuse in series with each positive input terminal The inverter efficiency increases as input voltage Vrv increases Typical efficiency versus output power Pac and input voltage Vrv Upc is shown in the following diagram Configure the PV array so that the maximum power point voltage is as high as possible while ensuring that the open circuit voltage at the minimum ambient temperature is less than 750Vdc 100 98 96 94 92 88 Hp 84 82 OU 0 230 460 690 920 115013801610 1840 2070 2300 2530 2760 2990 3220 3450 3680 3910 4140 4370 4600 5060 Several PV array configurations are possible with the SPG 600 4K6 The following diagrams are a few examples of PV array configurations In all installations a PV Array DC isolation device must be provided between the output of each array and the input s of the inverter This isolation device must be lockable and be rated for load breaking This part must comply with the requirements for current breaking switching devices per AS NZS 5033 This part must break both poles of the array simultaneously Typically this device is a DC rated circuit breaker
43. the cover supplied with the card and terminate these cable s to the card as described in its installation instructions Plug the card into this slot and reinstall the two screws to retain the card Fasten the cover to the inverter using the four screws Doc No SPG 1603G Rev 7 12 2011 Orion Manual Page 33 solar Energy Australia 8 0 Maintenance and Repair Although the SPG 600 4K6 requires minimal maintenance for continued optimal performance the following inspections and maintenance are recommended 8 1 8 2 Page 34 Visual Inspection On a regular basis check the following e Check that the heatsink at the rear of the inverter is free from obstructions to airflow e Check the inverter for any fault indications e Check the inverter and cabling for any sign of damage lf any faults are displayed on the inverter consult the Troubleshooting Guide in section 9 0 before contacting your supplier or returning the unit for service In the event of an internal malfunction the inverter must be returned to SEA for repair The SPG 600 4K6 contains no user serviceable parts Note Removal of the cover will invalidate the warranty Annual Inspection and Cleaning SEA recommends that a qualified solar installer inspects and cleans the inverter and PV generating system at least every 12 months The following tasks should be performed e Check that the heatsink at the rear of the inverter is free from obstructions to airflow Remove a
44. wing different PV array designs and orientations to be used for each input Each input is rated to a maximum power of 3825W If a large single array is to be used the three inputs can be connected in parallel to this array The Orion is protected to IP65 and is designed for both outdoor and indoor use It employs natural convection cooling with no cooling fans resulting in high reliability and quiet operation Operating status and alarms are provided by a 2 line 16 character alphanumeric LCD display on the front panel with an intuitive English language menu system The Orion is provided with a standard RS232 socket for connection to a PC for data acquisition There are optional components for communications and logging via RS 485 The Orion is compliant with AS 4777 2005 Grid Connection of Energy Systems Via Inverters and AS NZS 3100 2009 Approval and test specification General requirements for electrical equipment 1 Connection Panel 6 RS232 Port 2 Heat Sink 3 Three pairs of DC Input Terminals 4 AC Output 5 Optional Communication Port and Cover Display and Connections 1 Connection Panel The connection panel supports the DC and AC terminals and communications ports as detailed below 2 Heatsink The heatsink dissipates the heat produced by the inverter It is normal for this part to become hot during operation 3 Three Pairs of DC Input Terminals Each input pair consists of posit
45. with years of trouble free operation It is important to us that you get the best out of your inverter so please take a few minutes to read this manual carefully it could save you from frustration If you have any comments regarding our products and or service please do not hesitate to contact us Keep these instructions with your inverter for quick reference at all times In case of malfunction contact your supplier who should initiate the necessary steps for analysis and elimination of the problem Remember As soon as your Solar Energy Australia product has been installed please complete and return your warranty card or register your warranty online at www solaraustralia com au This will enable us to handle any service enquiries you may have efficiently and keep you updated with any relevant product updates FEATURES INCLUDE e Very high conversion efficiency gt 96 typical e RS232 communications with RS485 and network options e 3 MPP Maximum Power Point trackers with independent e Solar array isolation and earth leakage detection for your or parallel operation safety e P65 compliant for outdoor applications e Australian Certificate of Suitability e High power density compact profile low weight e Approved to AS 4777 AS NZS 3100 and C Tick compliant e High reliability with dual micro controllers e Stylish modern casing e Natural convection cooling quiet fan less design e Easy installation e User friendly LCD display showing com
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