CPS 100kW User Manual
Contents
1. Figure 6 15 System parameter setup 85 GridV Max V GridV Min V GridF Max Hz gt 527 gt 421 59 30 GridVmaxTripT S GridVminTripT S GridFTripT S 0 16 0 16 0 16 Pls Input Pwd 1 SysPara 2 Restart ne Are You Sure 3 Recover 4 ClrErrRecd Pwd Error Wrong Password Restarting Pls Input Again Initialization Success Success Failure Recovering FaultOperated Failure Succes s Success ClearErrors FaultOperated Failure Failure Success 4 Chapter 7 Service and Maintenance The following regular maintenance steps should be carried out at regular intervals to ensure the inverter s operation with optimal performance A CAUTION Although designed to meet international safety standards the PV Inverter can become hot during operation Do not touch the heat sink or peripheral surfaces during or shortly after operation 7 1 Maintenance instruction of filter net 7 1 1 Maintenance of filter net on the top A WARNING Shut down the inverter before maintaining the inverter Disconnect the inverter from PV panels and the Power Grid and make sure there is no electric charge left in the inverter before the maintenance Disassemble the filter net on the top as follows 1 Remove the M32. Hoan ang oUoUalala Figure 3 13 Wiring from the left side 3 4 1 DC connection 1 To ensure the optimal performance of the inverter please read the following guidelines before DC connection a First make sure that the maximum open circuit voltage of the PV modules is lower than 600Vdc under any conditions b Ensure that the polarity of DC input is correct i e the positive pole of PV module is connected to the positive pole of the inverter s DC 26 input and the negative pole of PV module is connected to the negative pole of the inverter s DC input c The Max DC input current of the inverter is 350A so 2AWG 3 OAWG copper cables with an insulation rating of 194 F are recommended for inverters DC input The DC connection requirement is shown in Table 3 4 Table 3 4 O e ee ee 2AWG 35mm 1 0AWG 50 mm 3 0AWG 95 mm3 2AWG 35mm 1 0AWG 50 mm 3 0AWG 95 mm3 d Reserve a hole of 11mm diameter on the copper bar Select the following recommended bolts to tighten the cables see Table 3 5 Table 3 5 C a a Torque Value Meric Bot 28 SNM 217 Abn 5 z INSTRUCTION The standard DC configuration is 4 strings Other configurations are 27 also available by changing corresponding fuses The specification of fuses for DC input strings is shown in Tab
3. Figure 3 22 Diagram of Dry contact connection Table 3 12 Dry contact Inverter fault alarm 18AWG 0 810mm MAX 240VAC 2A 36 3 4 6 Installation of bottom filter and baffles After all wire connections are completed insert the filter into the filter slot at the bottom of the inverter Then install the front and back baffles with the eight M4 screws in the accessory pack as shown in Figure 3 23 0 i D Baffle Filter Figure 3 23 Diagram of bottom filter and baffles installation 37 Chapter 4 Initial On grid Testing To ensure operational safety initial on grid testing is required as per the instructions in this chapter before connecting the inverter to PV panels and grid power after the installation of CPS SC100KT O US 480 4 1 Testing steps Take the following steps for the initial on grid test 1 Check the appearance of inverter 2 Check AC connection 3 Check DC connection 4 Turn on AC circuit breaker 5 System self check and time setup 6 Set up AC operational parameters 7 Set up DC operational parameters 8 Set up MPPT operational parameters 9 Turn on DC circuit breaker 10 Power train of self check 11 Start up inverter 38 INSTRUCTION Please refer to 5 3 Troubleshooting or contact our after sale service personnel if any problem is found during the testing 4 2 Testing
4. Figure 3 10 Routing from round holes on the two bottom covers 2 Wiring from the left side a Remove the screws on the left side cover with a Phillips head screwdriver put the screws aside and then take off the cover b Punch five holes on the left bottom cover for steel conduits as shown in Figure 3 11 24 o o o For DC For communica Ay oat a tion conduit For a For Grounding conduit o o conduit Figure 3 11 Holes on the left side cover c Install steel connectors on the left side cover and check the seal of the cover as shown in Figure 3 12 Grounding DC AC Jt Com O Figure 3 12 Installation of steel connectors 25 H d Connect the steel conduits to these connectors e Restore the cover to the inverter and attach the screws f Put the cables through steel conduits to connect to the inverter as shown in Figure 3 13 O AAA
5. Yield 123 5KWh 3 Version 4 TotalTag 3 History gt MachVer 1 00 SerialNo 11010101010101 T Yield kWH 152123 5 Figure 6 11 History menu and submenu 77 6 3 6 System setup Move the cursor to 4 Setting in the main interface Press ENTER to set the current system parameters as shown in Figure 6 12 There are 6 submenus in 4 Setting 1 ON OFF 2 Language 3 Buzzer 4 SysTime 5 Commun and 6 OtherCmd 1 The inverter can be started and shut down with 1 ON OFF menu Move the cursor to ON and press ENTER ON State will then be indicated at the bottom of LCD screen move the cursor to OFF and press ENTER then OFF State will be indicated as well The inverter will stand by instead of working normally if the startup conditions are not satisfied even ON is selected The inverter will be shut down immediately if OFF is selected in any cases 2 Two languages i e English and Chinese are available in 2 Language menu 3 Key beep and fault beep can be set mute unmute in 3 Buzzer menu Key beep and Alarm beep can be shifted by pressing PAGEUP and PAGEDOWN Shift between Enable and Disable by pressing LEFT and Right if the cursor is on the Key beep Complete the setup by pressing ENTER Similarly the fault beep can be set u
6. 33 5 inches and insert the fork into the bottom of the machine from the back and lift it to the appropriate location for installation as shown in Figure 3 4 A Seal Figure 3 4 Diagram of lifting with a crane Lifting with a forklift Adjust the width of the forklift arm within 16 5 33 5 inches and insert the fork into the bottom of the machine from the back and lift it to the appropriate 19 location for installation as shown in Figure 3 5 Figure 3 5 Diagram of lifting with a forklift 3 4 Electrical installation Open the front door of the machine Proceed as shown in Figure 3 6 1 Turn the handle bar of DC circuit breaker anti clockwise to horizontal 20 position 2 Turn the handle bar of AC circuit breaker anti clockwise to horizontal position 3 Unlock the door with the key Pull the lock handle 45 degree outward to open the front door Figure 3 6 Diagram of opening front door 4 After opening the front door remove the transparent Plexiglas cover for wiring There are two ways to connect the external cables to the inverter wiring from the bottom and wiring from the left side 1 Wiring from the bottom There are also 2 ways to connect cables from the bottom of the inverter Routing from
7. 66 6 8 ee An latantany op je je il Bodob oigo d OOOI b 4 L E AC output O p BRT e ale cables L1 L2 L3 Figure 3 18 AC output connection 3 Make sure that all cables are well connected on the L1 L2 and L3 terminals 3 4 3 Ground connection The ground copper bar is located at the bottom right corner of the inverter as shown in Figure 3 19 32 TTT NY TR Ta Gnd copper bar 2 2AWG 35mm 12 5N M 113 5 Lb In AAI AA Vata TA TERUR Table 3 10 Figure 3 19 Ground connection Connect the Ground PE cable to the Gnd terminal of Gnd copper bar 5 g 2 T gt amp 5 5 Z 2 e 5 The Ground connection requirement is shown in Table 3 10 The signal pinboard on the inverter has 2 RS485 communication ports 33 RS485 communication connection which are RS485 1 and RS485 2 for field connections as shown in Figure 3 4 4 Communication connection O Z S8vSHY L S8rSH OlT O C Ole gE Fee O O Q Figure 3 20 Signal cable terminals for communication 1 The communication
8. IP44 protection class which enables the inverter to be used in the outdoor environment Besides the smart DSP control complete protection function and advanced thermal design guarantee the inverter with high reliability 2 4 Inverter circuit structure The basic schematic diagram of CPS SC100KT O US 480 inverter is shown in Figure 2 2 The output of PV modules first passes through DC circuit breaker The inverter converts DC voltage to 3 phase AC voltage The 3 phase AC voltage will be removed of high frequency component by the sine wave filter then stepped up and isolated by the low frequency transformer and go through AC contactor AC EMI filter circuit breaker at last be fed to the LV grid CPS SC1O0KT O US 480 mz EJ f F Inverter ka f a i PVH 5 3 Was Bs I LI K z aa t zg 5S iW el 3 ER e o 2 4 SE j Peg 2 a 3 2 tA L3 a ow m e amp I PWM l 7 D Ie to Uw SPU jcc Ua Gl Ub RS485 Ue jRS485 RS485 Figure 2 2 Schematic diagram 2 5 Appearance description Figure 2 3 Appearance sketch of CPS SC100KT O US 480 10 Description of main components shown in Figure 2 3 1 Roof Panel 2 Operation buttons and LCD display panel with protection cover 3 Emergency stop
9. alarm will be eliminated automatically 2 Check whether the grid voltage is within the allowable range 3 Check whether the cable connection to the grid is disconnected or abnormal 4 Contact our after sales service center 4 PV VoltOver Grid voltage frequency is abnormal or grid is not detected Possible causes 1 Grid frequency is abnormal 2 Power grid breaks down 3 Cable connection between the inverter and the grid is disconnected 4 Inverter has an internal fault Recommended solutions 1 Observe for 10 minutes and see whether the alarm will be eliminated automatically 2 Check whether the grid frequency is within the allowable range 3 Check whether the cable connection to the grid is disconnected or abnormal 4 Contact our after sales service center Definition PV voltage exceeds the allowable value Possible causes 5 PV Reverse 1 PV over voltage 2 Inverter has an internal fault Recommended solutions 1 Observe for 30 minutes and see whether the alarm will be eliminated automatically 2 Check whether PV voltage exceeds the allowable range 3 Disconnect from PV input wait for 5 minutes and reconnect to PV input 4 Contact our after sales service center Definition PV panel is connected reversely Possible causes 1 PV positive pole and negative pole are connected reversely 2 Inverter has an internal fault Recommended solutions 1 Check whether pos
10. at first The inverter will start up automatically when the output voltage Default value is 330V which can be adjusted according to 6 3 6 System setup of PV panel meets the set point AC power grid is normal and the ambient temperature is within allowable operating range 5 2 Operation mode There are 4 operation modes The following are corresponding indications for each mode 1 System check mode is shown in Figure 5 6 System is in self check status when inverter is energized The program will complete initialization during this process 51 Sys Checking gt gt gt gt gt gt Figure 5 6 System self check ongoing 2 Standby mode as shown in Figure 5 7 After self check is completed the inverter will turn into standby mode if the output voltage of PV panel AC power grid or ambient temperature does not meet the startup conditions But the inverter will continue to check whether the startup conditions are met in standby mode until it comes back to normal operation mode If the warning SPICommErr occurs and the FAULT LED is blinking the operation mode shown by LCD may not be correct even if LCD shows Standby Please refer to the solution of SPICommErr in 5 1 Troubleshooting Table on Page 49 Standby gt gt gt gt gt gt Figure 5 7 Inverter system in standby 3 Normal operation mode as shown in Figure 5 8 52 The inverter will turn from standby into nor
11. be restarted referring to 6 3 7 System protection parameters setup if it is confirmed that there is no other problem 2 Contact our after sales service center 66 Chapter 6 Human Machine Interface 6 1 Description of LCD panel The CPS SC100KT O US 480 LCD panel is protected with a cover which can be opened by switching the cover lock to the right as shown in Figure 6 1 PI Figure 6 1 Switch the cover lock 67 a The LCD panel consists of LCD screen LED lights buzzer and 6 keys as shown in Figure 6 2 ie Ss Figure 6 2 LCD panel Different LED statuses are described in Table 6 1 and key functions are listed in Table 6 2 Table 6 1 LED Indication Description Status Work power supply Energized control panel indicator light starts to work iy Light off No working power supply In grid connection and Light up power generation state Grid connection Derated running state light Blink operation indicator light up 0 5s light off 1 6s In other operation state or Light off no working power supply Grid state indicator Grid abnormal light up Blink light 0 5s light off 1 6s Light off No working power supply Slow Alarm occurs light up 0 5s blink light off 2s Fault state indicator Quick Prot
12. button 4 Door lock 5 AC circuit breaker 6 DC circuit breaker H Chapter 3 Installation Below is the installation instruction of the inverter Please read carefully and install the product step by step 1 CPS SC100KT O US 480 Check and make sure that the following items are included in the package before installation as shown in Table 3 1 Table 3 1 Main items 1 CPS SC100KT O US 480 Grid tied PV inverter Grid tied PV inverter Contains all necessary 2 Accessory kit accessories The 2 Accessory kit contains items listed below Table 3 2 Accessories User manual Installation and operation For maintenance and Warranty service card repair Bottom filter For dust proof 3 1 Basic requirements AN NOTICE Do not install the inverter under direct sunlight to avoid conversion efficiency de rating caused by excessively high temperature v Check and make sure that the ambient temperature of the installation environmentis 25 C 60 C v Make sure that the public power grid voltage is 422 528Vac and the grid frequency is 57 0 60 5Hz v Permission of grid connection has been granted by the local electric power authority v Installation personnel must be qualified electricians or people who have received professional training 13 v Sufficient convection space v Away from flammable and explosive substances 3 2 Checklist of installation tools The checkl
13. correct Maybe the combiner boxes are not properly connected or there is a short circuit in the DC cables 3 Confirm whether the polarity of DC connection is correct AN NOTICE If the polarity of the DC cables is not correct the inverter will be 40 damaged 4 Correct and record any identified problems 4 2 4 Turn on AC circuit breaker 1 Close the front door of the inverter 2 Turn on the AC circuit breaker The auxiliary power supply of the inverter will be energized and the control circuit be activated 3 Check carefully whether there is any abnormality 4 Turn off the AC circuit breaker immediately if there is any abnormality Reconfirm whether the previous testing steps are correct Stop testing if anything abnormal occurs 4 2 5 System self check and time set up 1 Sys Checking will be indicated on the LCD when the AC circuit breaker is turned on 2 The inverter will stand by after the self check of system about 30 seconds is completed Meanwhile fault indication interface will be shown on the LCD if any malfunction occurs The specific fault indication and solution are available to be found in 5 3 Troubleshooting Besides since the DC circuit breaker is not turned on the fault 41 Warn0040 will be indicated on the LCD Please ignore the fault and keep the DC circuit breaker in OFF state Please don t turn on the DC circuit breaker until it
14. current parameters of ActivePower and PowerFactor can be checked by the following steps Move the cursor to 5 Dispatch in the main interface as shown in Figure 6 13 1 OP Info 2 Alarm 3 History 4 Setting 5 Dispatch Figure 6 13 Contents indicated on the main operation interface 81 Press ENTER to the interface shown in Figure 6 14 ActivePower 100 0 PowerFactor 1 000 Figure 6 14 Parameters of power dispatch Remote dispatch method The ActivePower and PowerFactor parameters can be adjusted through remote monitoring software For detailed information please refer to the manual of our monitoring system products 6 3 8 System protection parameters setup By pressing PAGEDOWN and ENTER at the same time in the main interface and entering the password PAGEUP gt PAGEDOWN sRIGHT gt LEFT the system parameter setup menu is accessed This menu includes 4 submenus 1 SysPara 2 Restart 3 Recover and 4 ClrErrRecd as shown in Figure 6 15 1 1 SysPara menu Set up the system protection parameters in 1 SysPara menu The specification of protection parameters is shown in Table 6 3 82 Table 6 3 Protection Parameters Table Description of Setup range lower limit LCD indication parameter default amp upper limit Grid voltage upper GridV Max V 527 527 575 Trip time under GridVmaxTripT S 0 16
15. is allowed in the Chapter 4 2 9 3 Enter the 4 SysTime menu and set up the present date and time according to 6 3 6 System setup 4 2 6 Set up AC operational parameters Enter 1 SysPara menu according to 6 3 7 System protection parameter setup 1 Check the AC voltage frequency protection value and time of protection actions 2 Change the parameters referring to the Protection Parameters Table in Chapter 6 3 7 if necessary 3 Record the changed parameters 4 2 7 Set up DC operational parameters 1 Check the PV startup voltage and startup time of the inverter 2 Change the parameters if necessary 3 Record the changed parameters 42 4 2 8 Set up MPPT operational parameters 1 Check the active derating and reactive compensation parameters of the inverter 2 Set the active power derating to 10 3 Record the changed parameters 4 2 9 Turn on DC circuit breaker 1 Turn off the AC circuit breaker 2 Turn on the DC circuit breaker to provide the PV power supply to the DC side of the inverter 3 Check carefully whether there is abnormality 4 Turn off the DC circuit breaker if there is any abnormality Reconfirm whether the previous testing steps are correct Stop testing if anything abnormal occurs 4 2 10 Power train of self check 1 Confirm that the front door of the inverter is closed and locked 2 Turn on the AC circuit breaker 3 Wait for the in
16. of one single local inverter is to connect the RS485 communication bus cable through the RS485 1 or RS485 2 port of the inverter directly Shielded twisted pair STP cable should be used for RS485 communication with the maximum allowable length of 3280 feet Wiring requirement of RS485 1 2 is shown in Table 3 10 Table 3 11 RS485 1 2 wiring requirement 34 es e e ee e The wires are labeled 1 8 from left to right as shown in Figure 3 21 AAAA iii EIA TIA 568B Figure 3 21 Diagram of RS485 1 2 wiring 2 For remote monitoring of more inverters connect the RS485 2 port of one inverter to the RS485 1 port of another inverter and then connect to the 35 H data logger through the RS485 communication bus cable For more information about CPS monitoring solutions please contact our after sales service center 3 4 5 Connection of dry contact The connection of dry contact is shown in Figure 3 22 The two terminals are potential free contacts for fault alarming of the inverter The wiring requirement is shown in Table 3 11 HH L e o 0 o0 JA 5 mm TU ol ACISOA e ee poet dabie a
17. procedure statement 4 2 1 Check the appearance of inverter 1 Check whether the inverter has any visible abnormalities Make sure that the DC and AC circuit breakers are turned off Open the front door of the inverter and ensure the electrical components and connections are normal 2 Check and make sure that all the cables are properly connected and free of defects 3 Correct and record any identified problems 4 2 2 Check AC connection 1 Check whether the power grid A B C and PE cables are properly torqued on the appropriate L1 L2 L3 and Ground terminals 2 Before connecting the inverter to the power grid measure the line to line voltage between terminals of AC cables The voltage of L1 L2 L2 L3 and L3 L1 should be within the range of 422 528Vac 3 If abnormal power grid voltage or no voltage is detected please 39 reconfirm the power transmission from the power grid to the inverter If there is nothing wrong with the power transmission check whether the AC connection is correct 4 Correct and record any identified problems 4 2 3 Check DC connection 1 Check whether the PV cables are properly torqued on the appropriate DC terminals 2 Put through the DC input from PV panels combiner boxes or other DC distribution equipments and then measure the voltage between Hot and Return bars INSTRUCTION If no voltage is detected check whether the connection from DC source to the inverter is
18. whether the alarm will be eliminated automatically 2 Check whether the operation temperature is 25 C 60 C 3 Contact our after sales service center Definition Inside warning Possible causes Inverter has inside problem Recommended solutions 1 Observe for 5 minutes and see whether the alarm will be eliminated automatically 59 Pf 2 Contact our after sales service center Definition Ambient temperature or temperature inside inverter is too high Possible causes 1 Ambient temperature outside the inverter is too high 2 Radiation air inlet is blocked Too much dust is on the filter net 3 Radiation fan is blocked without rotation Protect 1 TempOver Recommended solutions 1 Confirm that external ambient temperature is within the specified range of operating temperature 2 Check whether radiation air inlet is blocked and filter net has too much dust 3 Whether radiation fan is blocked 4 Observe for 30 minutes and see whether the alarm will be eliminated automatically a 5 Contact our after sales service center 2 GridV OutLim Definition Grid voltage exceeds the allowable range or power grid is not detected Possible causes 1 Grid voltage is abnormal 2 Power grid breaks down 3 Cable connection between the inverter and the grid is disconnected 4 Inverter has an internal fault Recommended solutions 1 Observe for 10 minutes and see whether the
19. 0 16 1 00 Max voltage S Grid votage lower GridV Min V 240 421 421 limit V Trip time under GridVminTripT S 0 16 0 16 2 00 Max voltage S Grid frequency GridF Min Hz 57 00 59 30 59 80 lower limit Hz Frequency trip time GridFTripT S 0 16 0 16 300 00 S Active power PowerDerating 10 100 100 derating 8 Reactive ReactiveComp 0 900 1 000 0 900 83 Description of Setup range lower limit LCD indication parameter default amp upper limit Pom PV start voltage V PVStartVol V 300 330 600 Time delay Min Tdelay Min 0 1 5 0 5 0 2 2 Restart menu If the inverter stops working as a result of a severe fault inside the inverter The user may perform a force restart by the options in 2 Restart menu Note that this function is effective for the inverter to restore to normal operation only when the Fault0010 0160 in the troubleshooting table occurs This function will not respond when the inverter is in normal operation mode and a FaultOperated alarm will be indicated on the LCD screen 3 3 Recover menu The manufacturer s parameter default value can be recovered when the inverter is not in operation mode Otherwise a FaultOperated alarm will be indicated 4 4 ClrErrRecd menu History information of the faults can be cleared A confirmation is required to clear the records 84
20. 17 Outside the Inside the Outside the Inside the inverter inverter inverter inverter Ho Z 7 Hot PV Sama e oe f PV j NO E 7 e l Jo lt E E PV ae P na PV i n eturn L Return GFDI act Negative ground T Positive ground 1 a b Figure 3 17 Schematic diagram on DC side 3 4 2 AC connection Connect the AC output of PV inverter to the AC cabinet or the power grid 1 Use the recommended copper cables with an insulation rating of 194 F The AC calbe requirement is shown in Table 3 8 Table 3 8 O po e e Wire diameter 2 0AWG 70mm 2 0AWG 70mm 2 0AWG 70mm Select the following recommended bolts to tighten the cables in Table 3 9 Table 3 9 Meio Bo TONM eE SL 31 2 Connect the power grid A B C cables to the L1 L2 and L3 te rminals of the inverter as shown in Figure 3 18 o g ARTNA O00900 hy i V Co J o TL Waa Il allel ls M UTU
21. ANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS Please read this user manual carefully before undertaking the installation CPS reserves the right to refuse warranty claims for equipment damage if the user fails to install the equipment as per the instructions in this manual DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE NOTICE indicates a hazardous situation which if not avoided could result in equipment working abnormally or property loss OP FP gt INSTRUCTION INSTRUCTION indicates important supplementary information or provides skills or tips that can be used to help you solve a problem or 2 save you time Warnings and symbols in this document Markings on the product A HIGH VOLTAGE The product works with high voltages All work on the product must only be performed as described in this document A HOT SURFACE The equipment is designed to meet international safety standards but surfaces can become hot during operation Do not touch the heat sink or peripheral surfaces during or shortly after operation D EARTH G
22. Acres CPS SC Series Grid tied PV Inverter CPS SC100KT O US 480 Installation and Operation Manual Version 1 1 Acps CHINT POWER SYSTEMS AMERICA CO LTD Address 700 International Parkway Web www chintpower com na Suite 102 Richardson Texas Email americasales chintpower com Zip Code 75081 Service Hotline 855 584 7168 SHANGHAI CHINT POWER SYSTEMS CO LTD All rights reserved Specifications and designs included in this manual are subject to change without notice CHINT POWER 2013 06 MKT PN 9 0020 0041 FO Table of Contents Before You Start ass ussssnnsenunnrnnunnnnnnnunnnnnununnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nna 1 Chapter 1 IMPORTANT SAFETY INSTRUCTIONG csseesseeeeeees 2 Chapter 2 Overview sciic cscecsssiccssecciecacsscdecteecscccseceedestwecadedesteestesseasdessctess 8 2 1 Inverter for grid tied PV systems e 8 2 2 Product type description eee eeeeseeeeeeneeeeeeseeeeteneeeeeenneeerenaeees 8 2 3 Prod ct features isiicneiie ee ESS 9 2 4 Inverter circuit structure essssesseneerenesrnrenernnnnnnnnernnnaennnnenannne 9 2 5 Appearance CeSCIiptiOn ecceeeeseeeeeeneeeeeneeeeeeneeeeeeeaeeerenaeees 10 Chapter 3 Installation ss isrsisssnsasnnnnannnnnnsnnsnnnannsannnannnasnnonansnnannnna nananana 12 3 1 Basic requireMent ee eeeseeeseeneeeeeeneeeeeenaeeeeseeeeteeeaeeerenaeees 13 3 2 Checklist of installation tools 0 cceeeceeeeeeeeeeeeteeeeee
23. ROUND This symbol marks the location of grounding terminal which must be securely connected to the earth through the PE protective earthing cable to ensure operational safety A DANGER Please disconnect the inverter from AC grid and PV modules before opening the equipment When the PV array is exposed to light it supplies DC voltage to this equipment Make sure hazardous high voltage and energy inside the equipment has been discharged Do not operate or maintain the inverter until at least 8 minutes after disconnecting all sources from DC and AC sides DANGER Make sure that equipment is grounded properly If a ground fault is indicated the grounding conductors are probably ungrounded and energized WARNING All the installation and wiring connections should be performed only by qualified technical personnel Disconnect the inverter from PV modules and the Power Grid before maintaining and operating the equipment A WARNING When the connected PV module is exposed to the sunlight it generates DC voltage and charges the DC bus capacitors of the inverter Electric charges are still stored in the capacitors even the input of the PV inverter is turned off Therefore equipment shall not be maintained until 60 minutes after all inputs are cut off or the De energy command is carried out successfully WARNING Shut down the inverter before maintaining the inverter Disconnect
24. T operational parameters cceeeeeeeeeeees 43 4 2 9 Turn on DC Circuit Dreakel eeeceeeeeeeeeeeeeeeeeeeeeeeeeneeens 43 4 2 10 Power train of Self CNOCK 0 0 0 eeeseeeesseeeeeeneeeeeeeneeerenanees 43 4 211 Start Up inverter sissies tele sistepeciieen 46 Chapter 5 Operation ccssccsseeesseessseessseeseseeesseesnseeenseeseseeessneeeseeeeses 47 5 1 Shut down and Start Up eeceeeeseseeeeeeseneeeeeeeseeeeseeeeseneeeeneess 47 5 1 1 SNUt GOWN ooo eee eenia traina aaaeei kaai baicoi 47 SM 2 SANTA o EE E E T 50 5 2 Operation MOE ecesccceseeceseeeeeeseneeeeaeeseeeseaeeseaeeeeaeeteeeteaeens 51 9 3 Troubleshooting ossidi 54 Chapter 6 Human Machine Interface cccsccssecsseesseeenseeesseeeeseeeeee 67 6 1 Description of LCD panel ssseeeseeseesseesieeiretrertrerrrsrnsrensenenne 67 2 Operation Statessa s ernia eiie airi eCa iti 70 6 3 Interface and menu functionS eeeeeeeeeeeerreeerrrrerrenerrrnseren 71 6 3 1 Interface types cceseeeeeeseneeeeeeeceeeteeeeeneneeeeeeeseeeereeenenens 71 6 3 2 Main operation interface eeeeeeeeeeeerereerrrerrrnernnn 74 6 3 3 Operation information ceceeeeeseeeeeeeeeteneeeseeeseneeeeneeteas 75 6 3 4 Present fault ccccccs steccduaescetidssaes cdesseeeagesstenibashieenscsbevaanepazess 76 6 3 5 FISIONY sserrep cree iaa 76 6 3 6 System SCtUD ceeeececeeeeeeeeseeeeeeeeteaeeseaeeteaeeseaeeseaeeseaeetias 78 6 3 7 Power Dispaten
25. ective action light up light blink 0 5s light off 0 5s No fault or no working Light off power supply 69 Table 6 2 Definitions of the keys Confirm entering the menu Enter Confirm set point Page up in selection menu Page down in selection menu p 1 when setting parameters Right 1 when setting parameters 6 2 Operation state Table 6 1 indicates the definitions of LED i e indicates the information of the inverter s operation state It indicates that the system is energized and under DSP control when POWER lights up RUN will light up when the inverter detects that the grid connection conditions meet the requirements and power is fed to the grid RUN will blink 70 if the grid is in derated running state during the period of feeding power to the grid GRID will light up when the grid is normal during the operation of the inverter Otherwise GRID will blink until the grid restores to normal FAULT will blink quickly as a fault except grid abnormality occurs FAULT will not light off until the fault is eliminated The light will blink slowly when an alarm occurs FAULT keeps lighting up when an internal fault occurs FAULT will not light up if both the inverter and grid are normal The buzzer will give alarms if a fault power grid abnormality included occurs 6 3 Interface and menu functions Users can perform the corresponding ope
26. eeteeeseaeeteas 14 3 3 Mechanical installation ceceeeseeeeeeneeeeeeneeeeeeneeeeeesneeerenaeees 14 3 4 Electrical installation ec eeseceeeesseeeeeeeeeeeneeeeeeeneeeeeseneeerenaeees 20 3 4 1 DC connection 00 eee eeeeeeeeeeeeeeteeeeeeeeseaeeteaeeeeaeeteaeeteaeeteas 26 3 4 2 AC CONNECTION 0 2 eeeeceeeeeeeeceeeeeaeeteaeeseaeeteaeeeeaeeteaeeteaeetias 31 3 4 3 Ground CONNECTION 0 0 2 eeeeeeeeeeeeeeeteeeeeeeeteaeeeeaeeteaeeeeaeetias 32 3 4 4 Communication CONNECTION cceeeeeeeeteteteeeeeeeteeeeeneerens 33 3 4 5 Connection of dry CONTACT cece seneeeeeeeeeeeeeeeeteeeeeaeetees 36 3 4 6 Installation of bottom filter and baffles ee 37 Chapter 4 Initial On grid Testing ccsseceeeesseeeeeseeeeseeseeeeeeseeeesenees 38 4 1 TeSting Steps spires iienaa aa Erainn 38 4 2 Testing procedure statement ec eeeseeeeeneeeeeeeneeeeeeeneeerenaeees 39 4 2 1 Check the appearance of INVErter eeeeeeeeeeeeeteteeeeeeees 39 4 2 2 Check AC CONNECTION ceeeeeeeceeeneeeteeeeeeeeteeeeeneeeteneeenetens 39 4 2 3 Check DC CONNECTION 0 cece eeeeeeeeeeeteeeeteeeteeeeeteeeteeeeenetens 40 4 2 4 Turn on AC Circuit breaker oe eee eeeeeeeeeeeeeeeeeeeeteeeeeeeeens 41 4 2 5 System self check and time set up eceeeseeeeeeeeeeeeeeeeees 41 4 2 6 Set up AC operational parameters cccecceeeeeeeeeeeeeeees 42 4 2 7 Set up DC operational parameters ceeeeeeeeeeeeeeeees 42 4 2 8 Set up MPP
27. ent Rated Output 60Hz Frequency Output Frequency 59 3 60 5Hz Range Power Factor gt 0 99 Current THD lt 3 AC Disconnection Breaker Type System Topology Transformer Max Efficiency 96 8 CEC Efficiency 96 0 Stand by Night lt 50W lt 40W Consumption Environment Protection Degree NEMA 3R 93 Cooling Variable speed cooling fans Operating Temperature Range 4 F to 140 F 20 C to 60 C derating from 50 C 122 F Operating Humidity 0 95 non condensing Operating Altitude 6562ft 2000m derating from 4921 3ft 1500m Display and Communication Display LCD LED Communication RS485 Mechanical Data Dimensions WxHxD 47 2x72 8x34 6in 1200x1850x880mm Weight 1984lbs 900kg Safety Safety and EMC Standard UL1741 2010 CSA C22 2 NO 107 1 01 FCC PART15 Grid Standard may Cause perman IEEE1547 2003 IEEE1547 1 2005 Note 1 Exceeding the rated voltage shown in Max DC Input Voltage ent damage to the equipment Note 2 Allowable Grid Voltage and Rated Output Frequency depend on the specific national grid standard 94 Note 3 When the ambient temperature exceeds 50 C 122 F the maximum output power will derate as 3 per C 1 8 F When the ambient temperature reaches 60 C 140 F the maximum output power will be 70 of the rated output power The inverter will stop
28. ert will be eliminated and the inverter will restart working automatically Automatic shut down The inverter will be shut down automatically and 47 enter standby mode when the output voltage of PV panel is lower than the set point 300Vdc minimum or AC power grid fails or the ambient temperature exceeds the normal range The inverter will restart working automatically when the appropriate grid connection condition is detected Manual Shut down for maintenance If service personnel need to maintain or repair the inverter please follow the following steps 1 Shut down the inverter according to the manual shut down steps Turn off the DC circuit breaker and ensure that the AC circuit breaker is turned on 2 Referring to 6 3 6 System setup move the cursor from the main operation interface to 4 Setting press ENTER and go to submenu 6 OtherCmd Then move the cursor to 1 De energy and press ENTER as shown in Figure 5 1 After pressing ENTER to confirm the DC bus capacitor begins to discharge as shown in Figure 5 2 De energy Figure 5 1 Inverter de energy interface 48 De energy Figure 5 2 De energy ongoing 3 When De energy is successfully completed Figure 5 3 press ESC to return to the main menu Check the PV voltage on the LCD according to 6 3 3 Operation information or check the voltage of DC bus capacitor with a voltmeter Don t turn of
29. es at the bottom 50 79in 1 10in 48 58in 47 24in ty T T 2664n t H ot d Conduit area fs z Fixin 9 13 31in plat i i Ea val r of i i al oy T97in IS e 3 u Lt Figure 3 3 a Sketch of foundation installation dimensions Place the fixing plates outward Figure 3 3 b 17 Fixing plate Figure 3 3 b Outward direction to place fixing plates Requirements of inverter installation According to the installation dimensions shown in Figure 3 2 a and 3 3 a secure the inverter on the hard ground or channel steel chassis with M12 foundation bolts through the 8 holes with a diameter of 0 63 inch at the bottom of the equipment Front door A 25 6 inch space should be reserved to ensure that the front door can be opened and closed freely Back A 31 5 inch space should be reserved for maintenance The weight of the inverter is approximately 1984 2 pounds Make sure that the mounting place can bear the weight Two approaches are recommended to lift the machine i e lifting with a crane or a forklift Lifting with a crane Before lifting the machine adjust the width of the forklift arm within 16 5
30. f the AC circuit breaker or perform maintenance to the inverter until the DC bus capacitor is discharged to safe voltage as shown in Figure 5 3 De energy OK Figure 5 3 De energy OK interface 4 If De energy fails as shown on the LCD in Figure 5 4 It takes at least 60 minutes for the inverter to discharge automatically by turning off the AC circuit breaker The inverter should not be maintained until the voltmeter 49 shows that there is no electric charge left in the DC bus capacitor InverterErr Figure 5 4 De energy error interface 5 If the DC circuit breaker is not turned off LCD will remind the user to TurnOff DC Break as shown in Figure 5 5 Please turn off the DC circuit breaker and press ENT to continue discharging TurnOff DC Break Figure 5 5 Turnoff DC circuit breaker 5 1 2 Start up Turn on the DC and AC circuit breakers Manual start up Manual start up is required after a manual shut down or a fault shut down by the user Move the cursor from the main operation interface to 4 Setting according 50 to 6 3 6 System setup Press ENTER and go to submenu 1 ON OFF Then move the cursor to ON and press ENTER to start the inverter Then the inverter will start up and operate normally if the start up condition is met Otherwise the inverter stands by Automatic start up Confirm that the inverter is ON State
31. fan tray assembly 1 Remove the eight M5 screws on the top of inverter with a T25 spline screwdriver and then take off the cover as shown in Figure 7 3 Figure 7 3 Disassembling of top cover 89 2 Disconnect the buckle on the fan tray remove the screws on the fan tray unplug the power supply connector and then take off the fan tray assembly as shown in Figure 7 4 Figure 7 4 Disassembling of fan tray assembly 3 Clean the fan tray assembly put it back or replace with a new one and then reinstall the fan tray assembly and top cover 90 Chapter 8 Technical Data Model Name CPS SC100KT O US 480 CPS SC100KT OPG US 480 DC Input Max PV Power 135kW Nominal DC Input Power 105kW Max DC Input Voltage 600Vdc Operating DC Input Voltage Range 300 600Vdc Start up DC Input Voltage Power 330Vdc 700W Nominal DC Input Voltage 430Vdc Number of MPP Trackers 91 MPPT Voltage 330 500Vdc Range Max Input Current 350A Number of DC Inputs 4 and Fuses Grounding Negative Positive DC Disconnection Breaker Type AC Output Rated AC Output 100kW Power Max AC Output 100kW Power Rated Output Voltage 480Vac Output Voltage 422 528Vac Range Grid Connection 3 PE Type 92 Max AC Output 120A Curr
32. ist of tools for installation of the product Table 3 3 Spline screwdriver T25 For screws on the backboard Phillips head 2 For M3 and M4 screws screwdriver Pa Open end wrench 0 67 inch P see ten 3 3 Mechanical installation 1 Dimensions Dimensions of CPS SC100KT O US 480 inverter are shown in Figure 3 1 72 83in Figure 3 1 Sketch of dimensions There are 2 ways to install the foundation of inverter 1 The dimensions of foundation installation for the first way are shown in Figure 3 2 a Please pay attention to the direction of the 4 fixing plates at the bottom 15 47 24in 4 33in 38 58in E 1 9Tin a gt Tei i D 0 63in es S 8 Conduit Fixing a S area late P 1331in c f L al cl l p ae ees ae eas ees a S i ITON foe o o J o o o o _ pms Figure 3 2 a Sketch of foundation installation dimensions Place the fixing plates inward as shown in Figure 3 2 b Fixing plate Figure 3 2 b Inward direction to place fixing plates 16 2 The dimensions of foundation installation for the second way are shown in Figure 3 3 a Please pay attention to the direction of the 4 fixing plat
33. itive pole and negative pole are connected reversely o Contact our after sales service center Definition AC contactor is abnormal Possible causes 6 AC ContErr 1 AC contactor is damaged 2 Inverter has an internal fault Recommended solutions Contact our after sales service center Definition Inverter is in the status of emergent stop Possible causes 1 Emergency stop button is pressed 2 Inverter has an internal fault 7 EmergencyStp Recommended solutions 1 Check whether emergency stop button is pressed If so restore the button 2 Contact our after sales service center if the problem still exists 64 8 GFDIErr Protect0010 0620 Definition Grounding fault Possible causes 1 Ground connection inside inverter is abnormal 2 Inverter has an internal fault Recommended solutions 1 Check whether the system has ground connection or grounding fault 2 Check whether the LED on GFDI is lighted on If so replace with a new fuse 3 Contact our after sales service center Definition Internal protection of inverter Possible causes Internal protection of inverter Recommended solutions 1 Observe for 10 minutes and see whether the 65 Fault0010 0160 alarm will be eliminated automatically 2 Contact our after sales service center Definition Fault inside inverter Possible causes Serious fault occurs inside inverter Recommended solutions 1 The inverter can
34. le 3 6 Table 3 6 Default set Figure 3 14 Position of DC fuses 28 2 Confirm that the input PV modules are of the same specifications and types before connection of DC input 3 Connect the DC cables to the inverter s copper bar terminals on DC side according to the Table 3 7 In Table 3 6 CPS SC100KT O US 480 this type of inverter means that the negative pole of DC input needs to be connected to the Return ground bar and CPS SC100KT OPG US 480 this type of inverter means that the positive pole of DC input needs to be connected to the Return ground bar Table 3 7 Type of Inverter Default way of grounding PV CPS SC100KT O US 480 Negative grounding Hot CPS SC100KT OPG US 480 Positive grounding AN NOTICE Please choose the type of inverter based on the way of DC grounding system Change of PV grounding in the inverter is prohibited without permission Please contact our after sale service personnel if the change of grounding in the inverter is necessary 29 Hot PV Figure 3 15 DC connection of CPS SC100KT O US 480 Return Hot PV Pv Figure 3 16 DC connection of CPS SC100KT OPG US 480 30 The two schematic diagrams of wire connection are shown in Figure 3
35. main operation interface The main operation interface is shown in Figure 6 8 1 OP Info 2 Alarm 3 History 4 Setting 5 Dispatch Figure 6 8 Contents indicated on the main operation interface The main operation interface of LCD screen has 5 menus i e 1 OP Info 2 Alarm 3 History 4 Setting and 5 Dispatch The users may select options with PAGEUP and PAGEDOWN and then press ENTER to confirm selection The users can return to the default indication interface by pressing the ESC key 74 6 3 3 Operation information When the cursor moves to 1 OP Info in the main interface press ENTER to select the operation information as shown in Figure 6 9 Check the information by pressing PAGEUP and PAGEDOWN Return to the previous menu and enter the main operation interface by pressing ESC Yield 23 5kWh MPac 20 0kW 1OP Info Pac 19 8kW RunT 12 1 h i Uab 480 0V Ubc 478 9V Uca 479 5V Freq 60 0Hz I la 22 7A Ib 22 7A Ic 22 7A J Tmod 78 2C Tamb 50 C l Upv 420 0V Ipv 48 7A Figure 6 9 Operation information indication 75 6 3 4 Present fault As described before when faults occur during the normal operation of the inverter corresponding fault message will be indicated in 2 Alarm menu besides the sound and light alarms Move the cursor to 2 Alarm and press ENTER to check out the specific fault i
36. mal operation mode when the startup conditions are met as long as the inverter is ON State In this mode the inverter converts DC generated by PV modules to AC and feeds the AC to the power grid Under the normal operation mode the inverter will maximize the DC output from PV panels in the manner of MPPT Maximum Power Point Tracking Meanwhile the inverter will check the power grid and PV output voltage constantly Once anything abnormal occurs the inverter will stop working and take self protection 06 07 12 09 01 Figure 5 8 Normal operation mode interface 4 Fault mode as shown in Figure 5 9 The inverter will stop working disconnect from the power grid and turn into fault mode when the inverter or power grid fails Check the fault information on the LCD according to 6 3 4 Present fault and 6 3 5 History To find the specific cause and solution you can refer to Table 5 1 in 5 3 Troubleshooting 53 GridV OutLim Figure 5 9 Fault indication interface 5 3 Troubleshooting Before you contact our after sales service center you are able to find most faults and solutions in Table 5 1 for the troubleshooting There are three kinds of fault alert statuses Warn Protect and Fault When there is a Warn the system only reminds customers of the problem while it doesn t change the operation mode When there is a Protect the system will turn into fault mode and come back to no
37. nformation as shown in Figure 6 10 2 Alarm If not existed No Alarm SPICommErr existed IntProtectA Figure 6 10 Present fault information 6 3 5 History Move the cursor to 3 History in the main interface Press ENTER to check the history information as shown in Figure 6 11 There are 4 submenus in 3 History 1 HistErr 2 OP Recd 3 Version and 4 TotalTag 1 UP to 100 pieces of latest fault messages can be recorded and found in 1 HistErr menu 2 The latest 21 days operation history data is available to be found in 2 OP Recd menu All variable names in the data comply with the content in 1 76 OP Info menu of the main interface The users can select the 2 OP Recd menu and input the retraceable days For example the input number is 21 If the current date is December 15th the LCD will indicate the operation information of 21 days before that date which is November 24th 3 Software version hardware version and serial number of the product are listed in 3 Version menu 4 Cumulative generated power since the first day the inverter began working is available to be found in 4 TotalTag menu If not existed NoError gt 1 St2010 12 15 20 50 Existed SPICommErr 2 Ed2010 12 15 20 59 SPICommErr RunT 6 3 h 1 HistErr Pls input date MPac 20 0KW 2 OP Recd p gt 2 gt B215
38. nvisible from outside inside inverter is working abnormally 56 3 Warn0030 Possible causes 1 Fan is blocked 2 Power supply circuit of the fan has problem 3 Fan state test circuit is loose 4 Fan service life has expired 5 Inverter software problem Recommended solutions 1 Observe for 5 minutes and see whether the alarm will be eliminated automatically 2 Switch off 3 phase working power supply and then reboot the system 3 Contact our after sales service center Definition Eeprom error Possible causes Internal storage error Recommended solutions 1 Observe for 5 minutes and see whether the 57 alarm will be eliminated automatically 2 Contact our after sales service center Definition DC circuit breaker error Possible causes 1 PV positive pole and negative pole are connected reversely 2 PV over current 3 DC breaker is damaged 4 DC circuit breaker is turned off 4 Warn0040 Recommended solutions 1 Observe for 5 minutes and see whether the alarm will be eliminated automatically 2 Check DC breaker 3 Check PV cable connection 4 Check whether the sunlight is too strong or the configuration of PV panel is appropriate 5 Contact our after sales service center Temperature sensor error Possible causes 1 Temperature inside inverter exceeds normal range 2 Temperature sensor has problem Recommended solutions 1 Observe for 5 minutes and see
39. ort circuit in the DC cables Chapter 2 Overview 2 1 Inverter for grid tied PV systems CPS SC100KT O US 480 inverter can be applied to various commercial rooftop systems and distributed power station systems Normally the system mainly consists of PV modules DC power distribution equipments PV inverter and AC power distribution equipments Figure 2 1 The inverter converts the DC energy from PV modules to the AC energy that is compatible with the public grid The AC energy can be used directly by the local load or it can be sold to your energy provider AC power DC power Bidirectional gt distribution distribution electric meter gt AC Grid equipments equipments Figure 2 1 Grid tied PV system 2 2 Product type description CPS SC100KT O US 480 is a PV inverter integrated with a low frequency isolation transformer for indoor and outdoor application The suffix US means that this model of inverter passes the UL and CSA certifications and is 8 specialized for the American market 2 3 Product features CPS SC100KT O US 480 inverter incorporates the advanced MPPT controlling technology and variable structure modulation strategy to minimize the energy loss The design with transformer has the benefit of connecting the inverter to the low voltage grid more conveniently The enclosure of inverter conforms to the NEMA 3R
40. p as well 78 4 Set up the system date and time with 4 SysTime menu These parameters are of critical importance and will be used in history information Select year month day hour and minute by pressing PAGEUP and PAGEDOWN and set up the specific date and time by pressing LEFT and RIGHT 5 Set the 485 communication parameters with 5 Commun menu 6 In 6 OtherCmd menu run 1 De energy to discharge the electric charges of DC capacitor quickly run 2 PowerTrain to check the status of main system circuit for the initial on grid testing 79 ON OFF 4 Setting 1 ON OFF 2 Language 3 Buzzer 4 SysTime ON State English EnglishVer 5 Commun 6 OtherCmd 6 3 7 Power Dispatch ActivePower and PowerFactor parameters can be set up through LCD KeyBeep Enabled AlarmBeep Disabled 2009 12 15 21 14 Address 2 BaudRate 3 1 2400 2 4800 3 9600 4 115200 1 De energy 2 PowerTrain Figure 6 12 System setup menu and submenu operations as well as remote control by software Local dispatch order Service personnel can adjust the ActivePower and PowerFactor parameters through LCD operations For detailed setup steps please refer to 6 3 8 System protection parameters setup The
41. p voltage subject to the grid voltage and 330V is the default minimum voltage and the grid voltage meets the requirement of grid connection the inverter will be energized to start up after 7 15 minutes under stand by mode The largest output power is 10 of the rated power The active power derating was set to 10 2 If nothing abnormal happens the active derating value can be gradually increased to 100 3 Check all the operation information on the LCD 4 Turn off the AC and DC circuit breaker or press the emergency stop button if anything abnormal occurs 46 Chapter 5 Operation uN NOTICE To ensure operational safety run the initial on grid testing before operating on the inverter 5 1 Shut down and Start up 5 1 1 Shut down Manual shut down Normally manual shutdown is not necessary But the inverter can be shut down manually for maintenance or user s needs 1 Move the cursor from the main operation interface to 4 Setting according to 6 3 6 System setup Press ENTER and go to submenu 1 ON OFF The inverter will be shut down and enter OFF State after moving the cursor to OFF and press ENTER 2 Press the emergency stop button on the panel to shut down the inverter in case of emergencies Then the fault alert EmergencyStp will be indicated on the LCD and the inverter will stop working Once the emergency stop button is restored the fault al
42. rations with the 6 function keys according to the indications of the LCD 6 3 1 Interface types 1 The LCD interface starts with the company logo once the system is energized as shown in Figure 6 3 71 Figure 6 3 LOGO interface 2 Indication of inverter operation mode Sys Checking gt gt gt gt gt gt Figure 6 4 Inverter system check ongoing Standby gt gt gt gt gt gt Figure 6 5 Inverter system in standby mode 72 06 07 12 09 01 Figure 6 6 Default display interface for normal operation GridV OutLim Figure 6 7 Fault indication interface LCD screen will display different mode interfaces based on the operation modes of the inverter There are four operation modes startup system check mode as shown in Figure 6 4 stand by mode as shown in Figure 6 5 normal operation mode as shown in Figure 6 6 and fault mode as shown in Figure 6 7 The default indication interface mainly indicates PV voltage PV current Grid voltage instant power daily generated power and time information under normal operation The present fault information will be indicated on the LCD screen when 73 the inverter is in fault mode 6 3 2 Main operation interface LCD screen displays default indication interface when the inverter is in operation mode Press the ESC key in this interface to escape the default interface and enter the
43. rectangular conduit areas 21 Remove the two bottom covers with a Phillips head screwdriver and connect cables to the inverter through the rectangular conduit areas as shown in Figure 3 7 He A fr ia Figure 3 7 Routing from rectangular conduit areas Routing from round holes on the two bottom covers a Remove the cover screws put the screws aside and then take off the two covers b Punch two holes on the DC bottom cover for DC conduits as shown in Figure 3 8 c Punch three holes on the AC bottom cover one for the communication conduit one for the AC conduit and one for 22 grounding conduit as shown in Figure 3 9 For DC conduit Figure 3 8 Holes on DC bottom cover For communication conduit For AC conduit For grounding conduit Figure 3 9 Holes on AC bottom cover d Install steel connectors on the DC and AC bottom covers and check the seal of the cover e Connect the steel conduits to these connectors 23 f Restore the two covers to the inverter and attach the screws g Put the cables through steel conduits to connect to the inverter as shown in Figure 3 10
44. rmal when the Protect disappears When there is a Fault the system will stop working and remain standby until resetting the system or repair the inverter to eliminate the fault Two ways of system reset are listed as follows 1 Turn off the AC circuit breaker wait for 5 seconds and turn on the AC circuit breaker again to recharge the system control unit If the system check is passed the inverter will turn into normal operation mode 2 Run the 2 Restart command to reboot the system according to 6 3 7 54 System protection parameter setup The causes of fault can be identified based on the faults listed in Table 5 1 Please contact our after sales service if the fault still exists A WARNING Shut down the inverter before maintaining the inverter Disconnect the inverter from PV panels and the Power Grid and make sure there is no electric charge left in the inverter before the maintenance 55 Table 5 1 Troubleshooting Table 1 SPlCommeErr 2 Warn0010 Definition Communication inside inverter fails Possible causes 1 Communication circuits inside inverter are loose 2 LCD software problem 3 Inverter software problem Recommended solutions 1 Observe for 5 minutes and see whether the alarm will be eliminated automatically 2 Turn off 3 phase working power supply and then reboot the system 3 Contact our after sales service center Definition Fan i
45. s cs civ havent ce deteeeeste cece 80 6 3 8 System protection parameters Setup cceeeeeeeeeeteeeees 82 Chapter 7 Service and Maintemance ccssccssecsseesseeeseeesseneeseeenees 86 7 1 Maintenance instruction of filter net eee eeeseeeeeeneeeeeneeeees 86 7 1 1 Maintenance of filter net ON the top ssec 86 7 1 2 Maintenance of filter net at the botom scce 88 7 2 Maintenance of fan tray assembly 0 0 eee eeeeeeeeeneeeeeeeeeeees 89 Chapter 8 Technical Data cccseccsseesseeenseeesseeeeseeesseeeeseeesseeenseeenees 91 Chapter 9 Limited Warranty ccccsseesseeesseeesseeeeseeeeseeenseeeeseeenseeenees 96 Before You Start This manual contains important information regarding installation and safe operation of this unit Be sure to read this manual carefully before using Thanks for choosing this Grid tied PV Inverter referred to in this manual as PV Inverter or simply Inverter This Grid PV Inverter is a highly reliable product due to its innovative design and perfect quality control Such an Inverter is used in high demand grid tied PV systems If you encounter any problems during installation or operation of this unit first check this manual before contacting your local dealer or supplier Instructions inside this manual will help you solve most installation and operation difficulties Please keep this manual on hand for quick reference 4 Chapter 1 IMPORT
46. screws in the middle of the filter net with a PH2 Phillips head screwdriver and take off the fixing plate 86 2 Push aside the two clips on both sides and disassemble the filter net 3 Clean the filter net and put it back or replace with a new one and then reinstall the fixing plate Push aside the clips on both sides Filter net Figure 7 1 Disassembling filter net on the top 87 A WARNING Shut down the inverter before maintaining the inverter Disconnect the inverter from PV panels and the Power Grid and make sure there is no electric charge left in the inverter before the maintenance 7 1 2 Maintenance of filter net at the bottom 1 Remove the four M4 screws on the baffle at the bottom of inverter with a T25 spline screwdriver and then take off the baffle 2 Pull out the filter net from the bottom of the inverter as shown in Figure 7 2 e a ae 0 i fee 2 RRSSBOLK Can 29S Rey ASSKRKR ESSE SKRKKY Figure 7 2 Pulling out filter net at the bottom 4 Clean the filter net put it back or replace with a new one and then reinstall 88 the baffle A WARNING Shut down the inverter before maintaining the inverter Disconnect the inverter from PV panels and the Power Grid and make sure there is no electric charge left in the inverter before the maintenance 7 2 Maintenance of
47. the inverter from PV panels and the Power Grid and make sure there is no electric charge left in the inverter before the maintenance CAUTION Although designed to meet international safety standards the PV Inverter can become hot during operation Do not touch the heat sink or peripheral surfaces during or shortly after operation NOTICE This inverter is designed to connect AC power only to the public grid Do not connect the AC output of this equipment directly to any private AC power equipment gt Ss NOTICE Please choose the type of inverter based on the way of DC grounding system Change of PV grounding in the inverter is prohibited without permission Please contact our after sale service personnel if the change of grounding in the inverter is necessary NOTICE If the polarity of the DC cables is not correct the inverter will be damaged NOTICE Do not install the inverter under direct sunlight to avoid conversion efficiency de rating caused by excessively high temperature NOTICE To ensure operational safety run the initial on grid testing before operating on the inverter Oo FP BP P INSTRUCTION Steel conduits as the cable protector need to be prepared before installation INSTRUCTION If no voltage is detected check whether the connection from DC source to the inverter is correct Maybe the combiner boxes are not properly connected or there is a sh
48. verter to stand by the status of which will be indicated on the LCD 43 4 Select 2 PowerTrain on the LCD and press ENT according to 6 3 6 System setup Then self check interface will be indicated on the LCD Figure 4 1 After pressing ENT the system begins self checking Figure 4 2 PowerTrain Figure 4 1 Self check confirmation interface PowerTrain Figure 4 2 System self checking 4 If Low PV Volt is indicated on the LCD as shown in Figure 4 3 check whether the DC connection is correct and whether the DC voltage is below 300V subject to grid voltage 44 Low PV Volt Figure 4 3 Low Volt 5 If PowerTrainFualt is indicated on the LCD as shown in Figure 4 4 check whether the DC circuit breaker is turned on Then check whether the inverter is in ON State according to 6 3 6 System setup If the fault still occurs when the DC circuit breaker is turned on and the inverter is ON State turn off the AC and DC circuit breakers immediately and then contact our after sales service personnel PowerTrainFault Figure 4 4 Self check fails 6 If the self check is successful PowerTrain OK will be indicated on the LCD as shown in Figure 4 5 Press ESC to return to the main menu 45 PowerTrain OK Figure 4 5 Self check OK 4 2 11 Start up inverter 1 If the PV voltage reaches the startu
49. working under self protection when the ambient temperature is over 65 C 149 F 95 Chapter 9 Limited Warranty The warranty policy of this product is specified in the contract otherwise the warranty period is 5 years For service Chint Power Systems America will provide local support For Warranty terms please refer to the CPS America standard warranty policy in place at time of purchase 96
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