Volt 1.5KTS User Manual Download

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Solar Grid Tie Inverter

User Manual

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Summary of Contents for 1.5KTS

Page 1: ...Solar Grid Tie Inverter User Manual ...

Page 2: ...rget Group This manual is to be read by qualified installer and PV system user The tasks described in this manual must only be performed by qualified technical service personnel 1 3 Symbols Used Some symbols are used in this manual in order to ensure safety of personal and property Please read the following symbols carefully 2 Safety 2 1 Appropriate Usage The Series is a Solar PV inverter which co...

Page 3: ...2 Figure 1 Solar PV Grid tied System 2 2 Important Safety Instructions ...

Page 4: ...nation of all the symbols shown on the inverter and on the type label Symbols on the Inverter Symbols on the Type Label Important Safety Instructions When using the product please read follow information below to avoid fire lightning or other personal injury ...

Page 5: ...ntenance or cleaning or working on any circuits connected to the Series inverter Turning off controls alone will not reduce this risk Keep away from flammable explosive materials to avoid fire disaster The installation location should not be close to humid or corrosive substance To avoid electric shock please do not disassemble the inverter as there are high voltage capacitances installed inside t...

Page 6: ... less design with software and hardware protection Friendly HMI Human Machine Interface LED status indication LCD display of technical data Human Machine interaction through press key RS485 RS232 communication interface PC remote control 3 2 Electrical block diagram Figure 2 Electrical block diagram Terminals on the inverter ...

Page 7: ...6 Figure 3 Terminals of PV inverters 1KTS 1 5KTS t Figure 4 Terminals of PV inverters 2KTS 3KTS Figure 5 Terminals of PV inverters 4KTS 5KTS 6KTS 7KTS 3 3 Dimensions and Weight Dimension ...

Page 8: ...7 Figure 6 1KTS 1 5KTS Figure 7 2KTS 3KTS ...

Page 9: ...al Data 4 1 Input DC Model 1KTS 1 5KTS 2KTS 3KTS 4KTS 5KTS 6KTS 7KTS Max DC power W 1100 1600 2300 3200 4200 5400 6100 7000 Max DC voltage V 500 550 Max input Current A 8 8 9 7 11 13 21 26 32 37 Number of MPP trackers Strings per MPP tracker 1 1 1 2 MPPT voltage range at rated power V 120 425 160 425 200 500 210 500 180 500 180 500 180 500 180 500 Shutdown voltage Start voltage V 70 100 70 100 ...

Page 10: ...tal harmonic distortion THD at nominal power 3 Detailed parameter please see local grid standard 4 3 Efficiency Safety and Protection Model 1KTS 1 5KTS 2KTS 3KTS 4KTS 5KTS 6KTS 7KTS Max efficiency 96 6 96 8 96 8 97 0 97 4 97 6 97 6 97 6 Euro efficiency 95 5 96 0 96 2 96 3 96 5 97 1 97 1 96 8 MPPT efficiency 99 9 Safety Protection Overvoltage under voltage protection Yes DC isolation impedance moni...

Page 11: ...cklight 16 2 character LCD Communication interfaces RS232 RS485 RS232 Standard warranty 5 years 5 Function Operation Mode standby Mode The standby mode means that the inverter is ready for operation but still not connected to the grid In this mode it will continue to check whether PV array has enough power to feedback into grid When the inverter passes dump load test after startup it will change f...

Page 12: ...Press Function key for 5 seconds to get into the Setting mode if DC power exists Please refer to chapter 7 of the Manual more information 6 Installation 6 1 Packaging Type Project No Description QTY Remark Equipment 1 PV Grid tied Inverter 1 unit Spare parts bag includes M5 flange nuts expansion screws M5 tapping screws Accessories 2 Backboard 1 pc Accessories 3 Spare parts 1 bag 4 AC connector 1 ...

Page 13: ...lation and low humidity Not exposed to steam vapor or water Not exposed to direct cool air Not close to television antenna or antenna cae Inverter needs to be at least 30 cm see table 2 clearance If this is not observed inverter is likely to malfunction high temperature inside the inverter will not cover any damage due to this condition Position Min clearance Side 30cm Top 30cm Bottom 30cm Front 1...

Page 14: ...straight into the wall do not shake the dril to avoid damage to the wall Depth of the holes should be about 30mm and should be the same in all the holes After removing dust from the holes measure the net depth of the holes If the depth is more than 33mm or less than 27mm the expansion pipes can not be properly installed ...

Page 15: ... is hooked onto the bracket use M5 screws to fix the lower part of the inverter to the bracket See figure 10 Step 4 Use M5 flange nut to fix the bottom of the inverter Step 5 Complete the installation process 6 5 Connections of the PV power system PV String inverters 4KTS 5KTS 6KTS and 7KTS have facility to connect two strings of PV modules while the other models can only take one module string Us...

Page 16: ...out 1 2 Hence inverter should be installed as close to the PV module as possible to reduce cable losses Figure 11 Use of Multimeter to measure module array voltage AC Output This series inverters are designed for single phase grid Operating AC voltage range from 180V to 260V 200V 270V for Australia and the typical frequency is 50Hz Other operating parameters should comply with local public grid re...

Page 17: ...rrect connections between Load and Inverter Impedance of the AC connection should be less than 2Ω To ensure anti islanding function PV cable should ensure power loss to be 1 of nominal power Also AC cable between inverter and grid connection point should be less than 150m Chart below provides relationship between AC cable length and cross section with losses Figure 13 AC Cable Loss for inverter in...

Page 18: ...2 Connect theAC cables as explained below Fix the green and yellow ground cable to the ground terminator in the AC Connector Figure 16 Fix the blue Neutral cable to the N Neutral terminator in the AC Connector Fix the Line cable brown or black wire to the L Line terminator in the AC Connector Figure 16 AC Connector Step3 Confirm that all the wires are fixed tightly Figure 17 ...

Page 19: ...18 Figure 17 Step4 Fix the threaded sleeve Figure 18 Figure 18 Step5 Fix the pressure screw Figure 19 Figure 19 Step 6 Connect AC connector to inverter Figure 20 ...

Page 20: ...tomatically when PV arrays generates enough energy Inverter goes through the following three stages during normal start up Waiting Inverter is waiting checking PV arrays output DC voltage to be with adequate At this time DC voltage is with in range of DC100V DC150V Checking Inverter checks AC grid conditions automatically when DC input voltage exceeds Start up voltage Inverter then goes through th...

Page 21: ...he inverter is working in normal state Fault red The system is in fault state Function key To check the operating parameters for details see section 7 2 7 2 Display Function The function key is used to set the LCD It can alternate between different parameters and languages ...

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Page 24: ... DC input voltage 70V inverter stops working Initialization Waiting Waiting 70V DC Input voltage 150V in standby mode Checking grid Checking Input voltage 150V checking grid tied mode Normal State Normal state Inverter is working in grid tied mode Flash Flash Upgrading software Checking Parameters Real time Power Pac xxxxW Real time output power ...

Page 25: ...Utility No Utility No Utility Fan Fault Fan Fault Fan locked or circuit fault PV Over Voltage PV Over Voltage PV voltage Max DC voltage Consistent Fault Consistent Fault CPU or other hardware failure Relay Failure Relay Failure Relay between grid and inverters failed DC INJ High DC INJ High DC injection in AC output over rated value EEPROM Failure EEPROM Failure EEPROM s data collectionfailure SCI...

Page 26: ...Communication Cable and Interface Table 6 RS232 Pin Definition Pin 1 2 3 4 5 6 7 8 9 Function NC TxD RxD NC Common GND NC NC NC NC Only one inverter can be connected with a PC at one time through RS232 port This facility is generally used for single inverter communication software update and testing by service person RS485 Communication RS485 allows upto 32 inverters to communicate at the same tim...

Page 27: ...RX Inverter wiring Find a Ethernet cable with appropriate length At one end of the cable strip off about 2 inches of the Ethernet cable sheath Choose 4 wires brown brown white orange orange white and press the 4 wires into pin1 to pin4 of the RJ11 crystal head as below Then Insert the ready made crystal head into RS 485 port of inverter Figure 25 Inverter wiring ...

Page 28: ...ng in good condition Are the configuration settings correct for the particular installation Are the display panel and the communications cable properly connected and undamaged Contact Installer or Customer Service for further assistance Please be prepared to describe details of of the system installation and also provide the model and serial number of the inverter Table 8 Troubleshooting tips Faul...

Page 29: ...t and re connect after a short break Check AC connection for faults If fault persists for assistance fan Fault Check the fan for any block Check fan cables If fault persists for assistance GFCI Failure Disconnect PV ve and ve input and re connect after a short break If fault persists for assistance 9 2 Routine Maintenance Inverters generally do not have any maintenance needs The cooling fan is fit...

Page 30: ... in the original packaging If original packaging is not available use an equivalent carton that meets the following requirements Suitable for loads more than 25 kg With handle Can be fully closed 10 3 Storage Store the inverter in dry place where ambient temperature is always between 20 C 60 C 10 4 Disposal Warranty condition Tress Power will be responbsible for repairing and replacing faulty inve...

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