Sunna Inverter User Manual here - Gold Coast Solar Power Solutions
Contents
1. sunna Inverters Er Er Contents gid gele 8 a ION eassa aiaia ne ee a eee ae eee 2 Mapornant salei INSEE HORSE son ET ea ee 4 ProdUCTOVETV Wenn een ee eee eee eee ee 5 Eg ee 10 Front Panel Functional Deseriptions u aa 16 Startind the SUNNA Series AVERSA ca eee ey eee LEEDS ee 17 The Communications Interfa Ce snurrer 23 Inverter Status Diagnostics and RED ua renerne nerne nerne kr rr ex 26 SPECIMENON ee ee ee ee fee ee eee eee ete E ee ee 30 Introduction Thank you for buying this SUNNA Series Inverter Many years of design experience has gone into the construction of this device and your SUNNA Series Inverter should give your solar power system many years of trouble free operation Your new Inverter is a complex electronic system and over its life time it will be confronted with a variety of local conditions If a malfunction of your SUNNA Series Inverter occurs please contact your specialised dealer directly Your dealer will assist you or will refer you to someone who can help with your query Please read this User Manual carefully to familiarise yourself with your new device Please pay particular attention to information regarding the installation and commissioning of your SUNNA Series Inverter Important Safety Instructions General Warning Incorrect operation and or work performed can cause serious injury and damage Only qualified personnel are authorised to install your SUNNA S2. the installation 24 RS 485 card CN 1 is for the function of the terminal resistor Short Pin 1 2 to enable the function and short Pin 2 3 to disable it CN2 is RS485 terminal definition CN2 1 Earth TET 2000 3 B Data USB card CN2 for USB Definition es bia FSV Comply with USB version 1 0 amp 1 5Mbps 33D Comply with USB HID Version 1 0 4 gt Earth The Pin Assignments of the USB card True Relay Contact Board DCE B card Pin 1 Voltage of utility is abnormal Pin 2 PV strings voltage is normal Pin 3 PV strings voltage is abnormal Pin 4 Frequency of utility is abnormal Pin 5 Anti islanding Pin 6 Output current of inverter exceeds range Pin 7 Temperature of heat sink is too high Pin 8 Common The capacity of each relay contact is 40Vdc 25mA Flexible signal output for N C Normal close or N O Normal open contact by shorting Pin 1 2 or Pin 2 3 from of JP 1 5 TCP IP Ethernet cards For installation please refer to the User s Manual attached with the card 25 Inverter Status Diagnostics and Repair The SUNNA Series Inverter is equipped with an on board self diagnostic system This system can automatically identify a large number of possible operational issues and provide notification via its LCD screen This system makes it possible to quickly isolate technical issues and to distinguish between Service Codes related to the installation versus
3. zum zum PCS gt er Val a m wey m nn B2 Turn on the AC breaker If Utility specification ex voltage frequency etc is matched with the specs of the inverter after 300 seconds the LCD display will illustrate drawing C And the Yellow LED will go out to indicate that the utility is acceptable by the inverter If the Utility s specification ex voltage frequency etc is not matched with the specs of the inverter then an error code or error Status will be shown on the screen LINE al PCS H Til c NIC Fu After 5 seconds if the DC soft start of the inverter is successful the LCD display will illustrate drawing D The Green LED still flashes LINE FEE pcs TE Til v Lif D MC u After 10 seconds if the AC soft start of inverter is successful the LCD display will illustrate drawing E re a PCS LOAD H II i 1 a Mew If the inverter is in failure ex Output Current Over Range then an error code or error status will be shown on the screen Example Drawing F LINE gt RE pcs LoaD J A gt F Ul w If start up operation of the inverter is complete and successful The LCD display will illustrate drawing E Checking Measured Values amp Figures If you would like to check the measured values and figures detected by the Inverter please scroll up and scroll down using the key pad When scrolling down using the key pad the LCD display
4. indicate Utility Voltage Over Voltage ALOI Utility Voltage Under Voltage Utility Voltage Over Frequency Utility Voltage Under Frequency BOOSTER_A Input ALO4 Over Voltage ALO5 BOOSTER_A Input Under Voltage ALO6 BOOSTER_B Input Over Voltage ALO7 BOOSTER_B Input Under Voltage ALO8 Anttlslanding AL 13 Phase of Utility is fail AL14 Waveform of Utility is fail Utility Voltage greater or smaller than the permissible value 1 Wait for 1 minute if the grid returns to normal the inverter will automatically restart 2 Check grid connection such as wires and connectors 3 Make sure grid voltage and frequency meet the proper specifications Utility Frequency greater or smaller than the permissible value 4 If error code keeps recurring contact your local distributor for help Contact your local distributor for help Over or Under voltage at DC input 1 Disconnect ALL PV or PV 2 Check the open PV voltage is outside the 120Vdc 500Vdc 3 If PV voltage is normal and the problem still occurs contact your local distributor for help Contact your local distributor for help No Utility or Utility Fail 1 Disconnect ALL PV or PV 2 Check grid connection such as wires and connectors 3 Check grid usability 4 If Utility is normal and the error code keeps recurring contact your local distributor for help LCD Designation Description Repair
5. will illustrate as follows Input DC Voltage of String A as drawing G HH ni LETITI H Of LLL gt om A T Output Power of Booster A as drawing K att T a pa y pa A x u vu om Output Power of Booster B as drawing L L E T L 1 JUL Output Voltage of Inverter Utility Voltage as drawing M i jan a cau Output Frequency of Inverter Utility Frequency as drawing N LINE A H N IUO Output Current Supplied to Load as drawing O lt LOAD J gt Zz O fil mm gt Output Power Supplied to Load as drawing P LINE A Suter A fm Tan anl me an am a N P Energy KWH Supplied to Load as drawing O LOAD A Er A mm Ty t Say JR ee a A 2 Q Inverter Inner Temperature C F as drawing R PCS ae Mial m m A cy Son a es oOo Heat Sink Temperature C F as drawing S T PCS j I m T er ay o H SUNNA Series Inverter Status Descriptions The SUNNA Series Inverter starts up automatically when DC power from the PV panel is sufficient Once the inverter starts it enters into one of the following status Operation LCD panel display Description mode Normal Standby In this mode the SUNNA Series Inverter works normally Whenever the supplied power from PV panel is sufficient 500VDC gt PV gt 120VDC the SUNNA Ser
6. Service Codes which are internal to the inverter Whenever the self diagnostic system has identified a particular issue the respective Service Code is displayed on the LCD screen Table 2 Inverter Error Code and Error Code Description LCD Designation Description Repair Indicate DC BUS The Inverter is in soft start 1 Disconnect ALL PV pre Charge fail procedure but the DC Bus or PV cannot reach and maintain anticipative charging 2 Wait for few seconds voltage Er03 INVERTER voltage The Inverter Output voltage ee abnormal is abnormal and check again ErO7 DC_BUS The DC BUS inside is lower over voltage or high than expected 4 If error code keeps recurring contact your Er08 DC_BUS local distributor under voltage Er17 EEPROM ERROR on EEPROM Data is wrong the control board Er19 DC BUS discharge Capacitors of the DC Bus fail can t be discharged down Er22 Output Relay fail The Inverter Output Relay is abnormal Er24 Output Current The Inverter Output Current sense fail fails to detect Er25 BOOSTER_A Over current on the DC side over current This fault code is displayed if the current in the DC Er26 BOOSTER_B network is larger than over current specified Er30 Rating setting of EEPROM Data is wrong Driver board does not match EEROM of control board LCD Designation Description Repair indicate Er06 EPO Inverter enters into 1 Remove the short circuit EPO mode Emerge occurred at the EPO term
7. ace USB RS485 dry contact TCP IP Front Panel Boost input Voltage Boost input Current Boost input Power AC output Voltage AC output LCD frequency AC output current AC output power AC Energy yield Inner Temperature Heat sink Temperature Status message Error message Protection Utility Over under Voltage Over under Frequency Earth fault DC Isolation fault Islanding operation Passive Voltage phase jump detection detection Active Reactive power control Over Temperature Reduced output power Certification If isolation is necessary option one extra transformer The rated range should be 150VDC 500VDC in order to get the rated output sunn Inver af
8. allation Step by Step Drill the holes Step 1 Fit the wall mounting bracket When marking the positions of the drill holes use the wall mounting bracket as a drilling template Step 2 Hang the SUNNA Series Inverter onto the wall mounting bracket using its upper mounting plate This ensures the inverter cannot be moved sideways LLLLLLLLLLLL LL AAAAY Ry Step 3 Check that the SUNNA Series Inverter is positioned securely on the bracket Electrical Installation The correct installation for the SUNNA Series Inverter is shown in the following diagram below Fig 1 A Ah rs Optional i communication i i AC connection Fig 1 Connecting to the Grid AC utility To connect the AC cable proceed as follows Step 1 Measure the voltage and frequency of the Grid Utility The voltage and frequency of the Grid Utility will differ between countries Step 2 Before wiring the SUNNA Series Inverter ensure the main breaker in the primary utility breaker box is switched to OFF Switch this breaker to ON only after all wiring has been completed as instructed in this User Manual Step 3 Remove the screws that secure the case of the SUNNA Series Inverter and carefully remove the cover Remove the connection from the cover as shown in Fig 2 Fig 2 Step 4 Insert utility wires through cable gland Connect wires according to polarities indicated on termi
9. e open circuit voltage of the PV modules must never exceed 500V The data sheet of the solar module will tell you the temperature factors applicable for determining the theoretical open circuit voltage at 14 F 10 C If the solar modules exceed an open circuit voltage of 500V the SUNNA Series Inverter may be damaged In these circumstances all warranty rights will be void The SUNNA Series Inverter includes a Residual Current Monitoring Unit RCMU according to VDEO 126 1 1 This device measures the Earth current of the PV array and will prevent the inverter from feeding the grid in the case of an Earth fault Grid Connection Only appropriately licensed contractors are authorised to connect the SUNNA Series Inverter to the grid Consult your local authorities for specific requirements Before connecting the SUNNA Series Inverter to the grid permission for the connection must be granted by the utility company Product Overview External Dimensions SUNNA 20000L SOLAR INVERTER Front view Bottom view OTL 0071 2000TL f IN In W E SOLIN ATS ANT 5 N I i L t Unit Description AUU SOLAR INVERTER 2 3 1 LCD amp LED Display Shows the operation information and status of the inverter 2 Solar Array Input Plug and play connector terminals for the connection of the solar modules The SUNNA 1500TL 2000TL SR3000TL only have one PV string input 3 Standard Com
10. eries Inverter installation should be carried out within the scope of the respective technical regulations Do not start operation or carry out maintenance work before reading the chapter Important Safety Instructions This manual contains important instructions for the SUNNA Series 1500TL 2000TL 3000TL 4200TL SOOOTL that should be followed during installation and maintenance of the inverters Housi ng Warning These servicing instructions are for use by qualified personnel only To reduce the risk of electric shock do not perform any servicing other than that specified in the operating instructions unless qualified to do so Only qualified installers are authorised to open the connection area Do not open the connection area when the inverter is under load ie ensure power is not running through inverter Only trained service staff may open the upper portion power stage of the SUNNA Series Inverter and only when the inverter is not under load Repair Only trained service staff are authorised to carry out repairs to the SUNNA Series Inverter unit PV Module Before connecting the solar modules you must check whether the voltage parameters specified in the manufacturer s data correspond with the actual parameters When checking the voltage reading please take into account that solar modules supply a higher no load voltage when temperature is low and sunlight level remains unchanged At 14 F 10 C th
11. gits Measurement Display LED Indicators 2 gt RED LED steadily lights up to indicate an Earth fault or a DC input isolation fault YELLOW LED steadily lights up to indicate that the utility ex voltage frequency etc does not match the input standard of the inverter Green LED steadily lights up to indicate that the Solar Cell power is greater than sleep power the LED flashes to indicate that the Solar Cell power is smaller than sleep power Control Keypads Special Function Log in out To re confirm the change of Inverter Setting Starting the SUNNA Series Inverter Before the inverter is started check the following The housing cover is securely screwed tight The AC breaker is OFF The DC cables PV strings are fully connected The AC utility cable is connected correctly Operation Test and Installation Instruction Connect the PV string voltage by switching on the DC circuit breaker The SUNNA Series Inverter starts automatically when it receives DC voltage greater than 120Vdc All of the LEDs will light up The LCD display will illustrate drawing A Eg er gt vias le Nw KAN cn OOOO After 3 seconds the LCD display will illustrate from drawing A to drawing B1 and B2 The Green LED flashes to indicate that the DC input power is smaller than sleep power The yellow LED steadily lights up to indicate that no utility exists Zam aaa PCS V SJ Vaal an Mn un enn 1 IC B1
12. ies Inverter converts power to the grid as generated by the PV panel In normal mode the green LED is on to indicate that power is being fed to the grid If the power is insufficient GOVDC lt PV lt 120VDC the SUNNA Series Inverter enters into a standby mode but will attempt to connect to I the grid The internal intelligent controller can continuously monitor and adjust the system status If the SUNNA Series Inverter finds any unexpected conditions such as grid problems or internal failure it will display the information on its LCD and light up the red LED Emergency Power Off Mode In this mode the SUNNA Series Inverter does not take any power from the grid In case of little or no sunlight the SUNNA Series Inverter automatically stops running In this mode the SUNNA Series Inverter does not take any power from the grid The display and all of the LEDs on the front panel do not work The Communications Interface Standard communications interface RS232 interface definition The RS232 interface shall be set as follows 9600 bp The Pin Assignments of true RS232 type The pin assignments of true RS232 type are illustrated as follows Pin 2 RS232 Rx Pin 3 RS232 Tx Pin 5 Earth Optional Communication Card Hardware Installation Procedure Step 3 Step 2 Open the top and sides Put the communication Screw back the side and of the cabinet card into the slot top cover and complete
13. inal Power Off 2 If error code keeps recurring contact your local distributor Er09 Inverter Output Over current on the 1 Turn off AC breaker and over current AC side This fault then check the peripheral AC code is displayed system configuration and the if the current in grid conditions the AC network is larger than 2 If error code keeps specified recurring contact your local distributor for help Er11 Inverter over load Overload on the Contact your local distributor AC side This fault for help code is displayed if the load in the AC network is larger than specified Er13 Inverter Short circuit on the Contact your local distributor short circuit AC side for help Er14 Inverter PLL fail The phase of Contact your local distributor Inverter can t for help synchronize with the utility Er29 Inverter output The DC component Contact your local distributor DC current over of the electricity for help spec fed into the grid Is longer than the permissible range Er10 Inverter Over The internal 1 Try to reduce the ambient temperature temperature istoo temperature high 2 Move the inverter to a cooler place 3 If error code keeps recurring contact your local distributor for help Er18 Heat Sink Over The Heat Sink Contact your local distributor temperature temperature istoo for help high Table 3 Grid Fault Alarm Code and Alarm Code Description LCD Designation Description Repair
14. indicate Inverter Voltage Inverter Voltage 1 Shut down inverter unplug PV unbalance Waveform is in generator from the input unbalance 2 Check grid usability and restart inverter plug PV generator from the input 3 If error code keeps recurring contact your local distributor for help Leakage current on 1 Unplug PV generator from Earth conductor is the input check AC peripheral too high system 2 After the problem is cleared re plug the PV Check the PV Inverter status 3 If error code keeps recurring contact your local distributor for help Isolation Fault The impedance is 1 Disconnect ALL PV or PV between PV and PV and 2 Check the impedance Earth is smaller between PV amp PV and than 1MQ Earth The impedance must be larger than 2MQ 3 If error code keeps recurring contact your local distributor for help Specifications 1500TL 2000TL 3000TL 4200TL 5000TL DC Input Data Maximum DC Input Current each MPPT follower 10 5 Amp 14 6 Amp 22 Amp 14 Amp 17 6 Amp MPPT Range 150 VDC 450 VDC AC Output Data Nominal AC Power 1500 2000 3000 4000 5000 Nominal AC Voltage AC 230V Output Connection Method 1 Phase 2 Wires L N E AC Voltage Range 207 264 Vac Nominal AC Current 6 5 Amp 8 7 Amp 13 Amp 17 4 Amp 21 7 Amp Frequency 47 50 5 Hz DC Injection lt 20MA SE Efficiency Data Unit Model Communication Communication RS232 intern
15. mage to the SUNNA Series Inverter make sure the maximum open circuit voltage Voc of each PV string is less than 500 Vdc under any condition Voltage over 500 Vdc will damage the inverter 2 Do not exceed the maximum array short circuit current rating marked on the SUNNA Series Inverter 3 To achieve maximum energy harvest from your array ensure that the Vmp voltage at maximum power does not drop below 150 Vdc or increase above 450 Vdc under most conditions To wire the PV array to the SUNNA Series Inverter follow these steps Step 1 Check that the PV generator connectors have the right polarity and do not exceed the maximum string voltage Step 2 Connect the POSITIVE wire from the 1 PV string to SUNNA Series Inverter positive connect Step 3 Connect the NEGATIVE wire from the 1 PV string to SUNNA Series Inverter negative connect Step 4 Connect the Earth wire from the 1 PV string to SUNNA Series Inverter Earth connect Step 5 If necessary repeat Step 2 and Step 4 for the 2 PV string Double check that the wires are in the proper locations suma f SUNNA 4200uL a SOLAR INVERTER Fig 5 DC Connections for a Two String PV Array Front Panel Functional Descriptions Symbols on the LCD Display Panel LCD Display Symbol Description LINE Utility Source Inverter working lt g in specified mode HEER Inverter operation A Si Pea LOAD mode Flow Chart Photovoltaic l 4 Di
16. munication Port EPO amp RS232 4 Optional Communication Slot USB RS485 Dry Contact TCP IP 5 AC Output Terminal AC output for the utility supply Installation Please read Important Safety Instructions page 3 amp 4 before installing the SUNNA Series Inverter Unpacking Inspect the SUNNA Series Inverter upon receipt If damage has occurred during shipment please notify your specialised dealer immediately The inverter packaging is recyclable we encourage you to re use it or dispose of it properly Remove the SUNNA Inverter from its box Check the package contents Standard contents should include v 1 set of accessories v 1 data CD ROM v 1 Mounting Frame Accessory Kit shown below 42843 0 360 0 5 Unit mm Unit mm 428 3 0 360 0 5 I 44443 0 363 5 0 5 3693 0 288 5 0 5 360 0 5 360 0 5 SUNNA 4200TL SOOOTL SUNNA 1500TL 2000TL 3000TL 40 3 Installation Requirements The SUNNA Series Inverter is heavy Take this weight into consideration when choosing the installation site and method of installation To ensure proper operation and long operating life always position the SUNNA Series Inverter according to the following requirements SUNNA1500TL 2000TL 3000TL 23Kg o o SUNNA 4200TL 5000TL 28K 25 C 50 C g 1 The SUNNA Series Inverter is designed for outdoor installation and should be installed away from direct sunlight Increased ambient temperat
17. nal block L1 means LINE1 black N means Neutral White L2 means LINE2 Red E means system Earth yellow green as shown in Fig 3 E N L E L2 L1 a b Fig 3 Step 5 Fix the housing cover of the SUNNA Series Inverter and evenly tighten the four screws To prevent risk of electric shock ensure the Earth wire is properly Earthed before operating the SUNNA Series Inverter Suggested cable width for AC wire 4200TL 5000TL 2000TL 3000TL Connecting the PV Array DC PV Module Requirements The SUNNA Series Inverters are designed with input connector terminals for the connection of solar modules Models SUNNA 1500TL 2000TL 3000TL have one connector terminal Models SUNNA 4200TL 5000TL have two connector terminals Each connector terminal can be connected to a string of PV modules A string refers to anumber of PV modules panels connected in sequence Each string can feature any number of solar modules provided the guidelines listed below are adhered to refer Fig 4 Where inverters have input connector terminals for two strings eg SUNNA 4200TL SOOOTL each string configuration does not have to be identical Wiring to the PV Module The SUNNA Series Inverter is equipped with PV quick connects for connecting up to two PV strings PV quick connects Fig 4 GUIDELINES When determining the number of panels required in a PV string ensure the following three requirements are met 1 To avoid da
18. ures and or installation in poorly ventilated and warm indoor locations may reduce the yield ay Wam of the PV system The optimum ambient u a temperature lies within the 25 C to 50 C range Relative humidit en oa 0 90 2 The SUNNA Series Inverter is designed to be mounted on a vertical wall If installing the unit outdoors make sure that it is not slanting forward We advise against installing the unit in a horizontal position BAN Install the inverter vertically or Never install the inverter horizontally tilting backward or so that it tilts forward 3 When choosing the installation site ensure there is enough space for heat dissipation Under normal conditions installers should adhere to the following guidelines regarding space to be left clear around the inverter winimom Clearance Underneath Mounting the Unit We recommend that you use the supplied wall mounting bracket to mount the SUNNA Series Inverter For vertical installation and installation on solid concrete or block walls be sure to take into account the weight of the inverter when selecting the mounting materials Mounting flanges Mounting flanges If you do not want to use the supplied wall mounting bracket refer to the dimensions shown in the drawing above The procedure for mounting the inverter using the wall mounting bracket is described on the following pages Inst
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