AOTAI ASP-10KTLC, Operating Manual

Page 1: ...Grid tied PV Inverter ASP 8 10 12 15KTLC Operating Manual ...

Page 2: ...al Installation 16 4 3 1 Safety 16 4 3 2 Dimensions 17 4 3 3 Installation 18 4 4 Electrical Connection 20 4 4 1 Electrical Connection Requirements 20 4 4 2 Wire Connection 22 4 5 Inverter Commissioning 27 4 5 1 Check before Commissioning 27 4 5 2 Commissioning 28 4 5 3 Shutdown 28 5 Monitoring 29 5 1 Overview 29 5 2 LCD Display Panel 30 Thank you for choosing AOTAI non isolated on grid PV inverter...

Page 3: ...ing guide 31 6 1 Working modes 31 6 2 Power generation process 33 6 3 Disconnect from grid 33 7 Maintenance and Repair 33 7 1 Maintenance 34 7 2 Troubleshooting 34 8 Appendix 36 8 1 Technical Parameters 36 8 2 Quality Assurance 38 ...

Page 4: ... this product please read this manual carefully and put it in a suitable place so as to ensure that relevant personnel of installation and operation can easily get it 1 2 Symbols Please strictly follow below safety rules when installing and operating DANGEROUS This symbol means there is high level of potential danger If do not listen to this warning it might directly cause serious injury to human ...

Page 5: ...l of potential danger If not listen to this warning it might cause personal injury or serious financial loss ATTENTION It means there is potential risk If not listen to this warning it might cause financial loss 1 3 Nameplate Take ASP 10 KTLC for example ...

Page 6: ...ification certificate 1 4 Fixed plate 1 5 Factory inspection report 1 6 PV cable connector 2 3 Male female cable connector 2 3 for each 7 Expansion bolt 5 Used for fastening the fixed plate 8 Cross recessed hex bolt 2 Used for fastening machine and the fixed plate 9 Hexagon bolt 5 Used for fastening the fixed plate 10 Flat washer 5 Used for fastening the fixed plate 11 Spring washer 5 Used for fas...

Page 7: ...e products before delivery but there might be damages during transport So please check them when sign for them If there is any damage please contact the shipping company or directly contact AOTAI Please provide photos of the damaged parts and we will provide the best service as fast as possible ...

Page 8: ...V grid connected inverter The sunshine irradiates on the surface of the solar panels solar panels output DC converted by inverter then output AC of the same frequency and phase with the grid and then feed into the grid ASP 8 10 12 15KTLC in application of PV power generation system is shown in Figure 3 1 Solar Inverter PV Arrays Meter Utility Grid Fig 3 1 Grid connected PV Power Generation System ...

Page 9: ... is 99 9 Two way independent MPPT control to deal with different installation angles enhance power generation Active and passive anti islanding protection technology Comprehensive protection higher reliability IP65 Outdoor design suitable for harsh environment RS485 WIFI GPRS multi communication interface user friendly ...

Page 10: ...P 8 10 12 15KTLC take ASP 10KTLC for example is as shown in Figure 3 2 Its external interface is in the bottom of the machine and is composed of PV input port PV input port communication port DC switch Please refer to Figure 3 3 and Table 3 1 for details Fig 3 2 Appearance of ASP 10 KTLC ...

Page 11: ...LC inverter is Nylon stopper head 12 15KTLC is DC input terminal 4 DC switch Electric cut off between inverter and solar panels 5 WIFI GPRS RS485 Connect inverter with PC through this port for remote monitoring 6 AC output port Connect with phase A B C and wire N of the grid through the breaker connect ground wire to the ground 7 Earthing bolt Connect with ground Table 3 1 External Interface Fig 3...

Page 12: ...carefully read below installation guide for ASP 8 10 12 15KTLC 4 1 Installation Procedure Start Preparations Mechanical installation Electrical connections Check after installation Commissioning with power on Finish Fig 4 1 Installation procedure ...

Page 13: ...e photos of the damaged part We will provide the best service at fast as possible Tools for installation The following installation tools and parts are needed Spanner Electric impact drill Cross screwdriver M4 Allen wrench Megameter Multimeter Basic Installation requirements The protection level for this series is IP65 Below are the basic requirements Can be installed outdoors In order to prolong ...

Page 14: ...ion place should not shake Installation height is better to make the LCD at the same level with people s eye so as to make it convenient to operate on the LCD Requires good ventilation The ambient temperature should be between 25 60 ...

Page 15: ...f out of the range it will affect power generation Installation environment needs to be clean The inverter needs to be installed uprightly and cannot be placed horizontally or upside down or tilted Enough space surrounding the inverter is needed to ensure good heat dissipation ...

Page 16: ...ggered to facilitate heat dissipation Do not install the inverter in the place where children can touch so as to avoid scald or electric shock Temperature of some parts of the inverter e g radiators will be higher during working Inverter s installation location wall or holder should withstand weight of inverter for a long time ...

Page 17: ...nverter may cause deadly injury DC side voltage of the inverter is up to 1000V and AC side 450V All installation and wire connection need to be done by professional electric or mechanical engineers WARNING The inverter must be installed by professional engineers Note 1 When installing don t touch any other parts in the machines except wire connector 2 All electrical installation must comply with l...

Page 18: ...ing the day please cover the panels with lighttight materials Otherwise there will be very high voltage at the panel and cause personal danger WARNING DC input voltage should not be higher than 1000 V Otherwise it might cause permanent damage to the equipment and other loss 4 3 2 Dimensions In order to make it convenient for mechanical installation we provide the size As shown in figure 4 2 ...

Page 19: ...15KTLC 18 Figure 4 2 Inverter size 4 3 3 Installation Fixed plate and fasteners like expansion bolts are used to install the inverter vertically on the wall or metal stents Bolts are M8 x 30 as shown in figure 4 3 ...

Page 20: ...mounting hole position If install the inverter on concrete wall firstly mark drill hole on the wall according to fixed plate size and drill at marked locations then fix plate on wall with M8 30 expansion bolts and then hang the machine on the plate ...

Page 21: ...C for example Photovoltaic array Photovoltaic array open circuit voltage should not exceed 1000Vdc Power of PV array can be configured to 13 kw ATTENTION Recommended maximum photovoltaic array power 10 kw maximum array open circuit voltage 1000 v Three phase power grid The inverter will continuously detect whether the power grid is suitable for connecting The installation of on grid inverters must...

Page 22: ...2 15KTLC PV Array Wire Diameter 5 6mm PV Array 5 6mm AC cable 6 10mm RS485 Shielded signal cable Circuit Breakers In order to guarantee its safe operation and installation the inverter needs to be configured with manual circuit breakers The breaker needs to conform to local safety standards and has basic protections against over current and over voltage AC breaker s voltage and current need to be ...

Page 23: ...is green line Phase L3 is red line N wire is black line and the ground wire is yellow green line AC Wiring Disconnect breaker on AC side measure with multimeter and ensure that there is no power on AC wires that connect with terminal Strip off insulating layer of AC cable as shown in below ...

Page 24: ... connected Avoid cable insulation layer being damaged improper wiring may lead to damage of inverter Fix AC cover well and screw up AC waterproof joint as shown in below Model Distance between inverter and grid connecting point corresponsive cable cable diameter mm 2 10m 30m 30m 50m 50m 80m Above 80m ASP 8KTLC 6 6 10 When there is only one inverter in the project try to avoid Strip off ...

Page 25: ... s terminals except its AC side are plug in type 2 Cables on AC side are better to be flexible copper cable DC Wiring Note Ensure DC switch is off before connecting with PV arrays Ensure PV array s polarity match with inverter DC connectors Ensure each PV string voltage won t exceed 1000V DC connector must be provided by AOTAI It is forbidden to connect PE wire ground wire to positive and negative...

Page 26: ...s cable through cable seal sleeve Step 4 Insert terminal into insulated sleeve until it is fastened and gently pull the cable to ensure it is firmly connected Step 5 Tighten sealing sleeve and insulation sleeve Step6 Check and confirm that polarity of PV string connection cable is correct WARNING ...

Page 27: ... whether polarity of PV string connection cable is correct Ensure open circuit voltage not exceeding 1000V even under lowest working temperature Step 9 Insert positive and negative connectors into input terminal at bottom of inverter and fasten it Step 10 Connect other PV strings according to above steps Step 11 Cover vacant DC terminals with terminal cap ...

Page 28: ...k 1 Accurate records of all measured data 2 Make sure that positive and negative polarity is correct otherwise it will seriously damage the machine 3 Use megger to check whether the insulation resistance of PV arrays anode and cathode to the ground is higher than 2 M Ω Communication and accessories Check whether the RS485 and CAN bus communication cables are correctly and firmly connected whether ...

Page 29: ...lly start up and generate power 5 On grid PV inverter does not need people to control after its normal operation starts and can automatically power off and start up if any fault happens 4 5 3 Shutdown 1 When solar energy is not enough for power generation the grid connected inverter will automatically shut down 2 Emergency shutdown If emergency shutdown is needed you must timely disconnect breaker...

Page 30: ...V power generation system we will offer below communication system Fig 5 1 RS485 Standard MODBUS Protocol communication system mode Fig 5 2 WIFI GPRS communication system mode 1 Communication between on grid inverters can be realized by Standard MODBUS protocol RS485 so as to conduct real time monitoring of the inverters working status ...

Page 31: ...TLC series LCD panel LED display status and display meaning are as shown in Table 5 1 Table 5 1 Status and Meaning of the LED display Acoustic sensing area LCD interface switchover and parameter setting can be done by slightly knocking LED light Meaning Online Grid connected operation light normal operation lights will be on Fault Trouble light when malfunction happens but couldn t be solved the l...

Page 32: ...ests whether PV array meets needs of on grid generating capacity condition continuously if yes inverter will change to Running mode from Start up mode Sequence of displayed messages is shown in Table 6 1 take ASP 10KTLC for example Table 6 1 Display sequence in Startup mode ATTENTION When PV array voltage 300V start up timer begins its countdown for 20s If PV array voltage meets requirement of gri...

Page 33: ... by mode from Running mode In Stand by mode inverter tests whether PV array meets needs of on grid generating capacity condition continuously if reaches 300V and keeps for 20s inverter will enter into Running mode from Stand by mode Fault mode If a fault occurs during operation the inverter will automatically stop operation disconnect the relay on AC side and keep the inverter s main circuit away ...

Page 34: ...rter will start working for grid connecting power generation 6 3 Disconnect from grid When the grid has below abnormal situation inverter will disconnect from the grid immediately 1 Grid voltage is not in the range of 310V 480Vac 2 Grid frequency is not in the range of 45 55 55 65Hz 3 PV array voltage is not in the normal range of inverter 4 Environment temperature is not in the range of inverter ...

Page 35: ...e is a lot of dust on the PV arrays clean them with flowing water on cool days Regular system checking is very necessary to ensure all wirings and supplies are ok Frequently read the display messages so as to know the inverter s working status WARNING Don t use pressure washing machine to clean the inverter or other cleaning method that may lead water flow into the inverter 7 2 Troubleshooting WAR...

Page 36: ...t the DC circuit breaker 3 Check whether the PV array voltage is 250 V 950 V 4 When DC voltage is restored to inverter allowed range restart the inverter Unet Fault 170V Grid voltage 480 V or 310 V fault 1 Disconnect the AC circuit breaker 2 Disconnect the DC circuit breaker 3 Detect the AC voltage 4 If the grid voltage is out of inverter s allowed range please contact us Frequency Fault grid freq...

Page 37: ... of PV arrays to the ground is 2 MΩ Table 7 1 Type of faults If the fault cannot be solved or your problem is not mentioned in the above table please contact us 8 Appendix 8 1 Technical Parameters Technical Parameters ASP 8 KTLC ASP 10 KTLC ASP 12 KTLC ASP 15 KTLC Input Data Max DC power 10400W 13000W 15600W 18000W Max DC voltage 1000V MPPT voltage range 250V 950V Max DC current 11 11A 22 11A Reco...

Page 38: ...rated power Power factor 0 8 Leading 0 8 Lagging DC component 0 5 Under rated power System Data Max efficiency 98 5 Euro efficiency 98 Humidity range 0 95 No condensation Cooling way Air cooling Allowed ambient temperature range 25 60 Consumption during night 1W Noise 30dB Max altitude 4000m Mechanical Data Size width x height x depth 517mm 510mm 191mm Weight 26kg Protection class IP65 outdoor Dis...

Page 39: ...TAI will offer free repair service or replace with new product for faults during the warranty The replaced unqualified product will be returned to AOTAI Customers need to give AOTAI reasonable time to deal with the machine fault AOTAI will not be liable for the following cases Transportation damage interface acoustic sensing switch Standards Grid connecting standards NB T32004 2013 GB T19964 2012 ...

Page 40: ...tallation Improper modification Incorrect use Very harsh environment that is beyond the specified in this manual Any installation and use that is beyond the relative international standards Damages caused by improper natural environment ...

Page 41: ...nts Thank you for taking time to share your feedback Your comments and suggestions will help us to serve you better Please send fax or e mail your feedback we will response you within 24 hours Contact Information Aotai Electric Co Ltd Global Sales Department Tel 86 531 81921036 Fax 86 531 81921022 www aotaielectric com E mail sales aotaiwelding com ...