Chint CPS SC14KTL-DOUS-208 14kW Inverter Manual
Contents
1. gt PAGEDOWN gt LEFT Then you can access the menu to set up the parameters There are 7 submenus in 4 Setting 1 Power ON OFF 2 Language 3 Sounds 4 Systime 5 Commun 6 MPPT Scan and 7 ARC Setup 1 The inverter can be started and shut down with 1 ON OFF menu Move the cursor to ON and press ENT ON State will then be indicated at the bottom of LCD screen move the cursor to OFF and press ENT then OFF State will be indicated as well The inverter will stand by instead of working normally if the startup conditions are not met even ON is selected 50 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 Alarm beep can be set mute unmute in 3 Sounds menu Key beep and Alarm beep can be chosen 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 ENT Similarly the Alarm beep can be set up as well 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 5 Set the 485 communication parameters with 5 Commun menu 6 The 6 MPPTScan menu has three submenus 1 The first sub2. 2 Alarm 3 History 4 Settings 5 Power PF and 6 Power Control The users may select options with PAGEUP and PAGEDOWN and then press ENT to confirm selection The users can return to the default indication interface by pressing ESC 5 3 3 Operation information When the cursor moves to 1 Measurements in the main interface you should press ENT to select the operation information as shown in Figure 5 8 Check the information by pressing PAGEUP and PAGEDOWN Return to the previous menu by pressing ESC 47 Yield 23 5kWh 1 Measurements Pee NN RunT 1 3 h y Pdc 14 3KW y Uab 208 0V Ubc 208 9V Uca 208 5V Freq 60 0Hz y la 38 3A Ib 38 2A Ic 38 3A y Tmod 78 2C Tamb 50 C Vv Upv1 381 0V lpvi 18 8A Upv2 358 0V Ipv2 20 0A Figure 5 8 Operation information indication 5 3 4 Alarm 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 ENT to check out the specific fault information as shown in Figure 5 9 48 No 2 Alarm NoError EepromErr Yes Protect0010 Figure 5 9 Alarm failure information 5 3 5 History Move the cursor to 3 History in the main interface Press ENT to check the history information as shown in Figure 5 10 Ther
3. WARNING All the installation and cable 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 4 4 Grid connection and power generation The grid connection and power generation process of CPS SC14KTL DO US 208 is automatic It will check constantly whether AC power grid meets the grid connection and power generation conditions At the same 34 time it will also check whether the DC input of PV modules is sufficient The inverter will turn into normal operation mode when both of AC and DC conditions are fulfilled The inverter will disconnect from the power grid and switch to standby mode when the sunlight is weak and power generation is small The inverter will try to reconnect to the power grid and generate power again when the voltage of PV modules is stable and higher than the set point 4 5 Fault shutdown The inverter will be shut down automatically when the PV power generation system fails such as output short circuit grid overvoltage undervoltage grid overfrequency underfrequency high ambient temperature or internal malfunction of the machine The causes of fault can be identified based on the faults listed in Table 4 1 Proper treatment is recommended before contacting after sales service There are mainly 3 types of faults alarm protection and hardware fault 35 Table 4 1 Troubl
4. crs CPS SC Series Grid tied PV Inverter CPS SC14KTL DO US 208 Installation and Operation Manual Ver 1 1 CHINT POWER SYSTEMS AMERICA CO LTD Address 700 International Parkway Web www chintpower com na Suite 102 Email americasales chintpower com Richardson TX 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 amp CHINT POWER 2013 09 MKT PN 9 0020 0117B0 Table of Contents B f re YOU SAL icrai eisai aasian 1 Chapter 1 IMPORTANT SAFETY INSTRUCTIONS nnnnunernnnnnnnnnnnverennnnn 2 Chapter 2 NENNE He 5 2 1 Inverter for grid tied PV Systems rrrnnrrrnrnnnnnrrnrrnnnrrrnrnnnnnrennnnnenee 5 22 010 10106 100 EEE 5 2 3 Circuit structure CESIQN ccccccccccsseeeeeeceeseececeaeeeececeseaeeeeeseaaneeess 6 2 4 Appearance CESCTIPLION ccccccccesseeceeceeseeeeeceaeeeeeeeeeaeeeeeseaaeeeess 7 Chapters Installation ccccccactocsccsceecesserevesstcctecestauevcccsacesereeasbeenstecteextiede 8 3 1 Recommendation before installation rrrrrrnnnrrrrrrnnnrrerrnnnnnnenn 9 3 2 Mechanical installation ccccccscccceececeececeeeeceeeeeseeeeseeeeseeeessaees 9 3 3 Electrical installation ccccccccccsseeceeeeceeeeseeeeseeeeeseeeeseeeesensessaees 17 SL DC COMMECH Lee 17 3 3 2 AC and ground connection cccccceseeeceeeceeeeeeeeseeeeee
5. 3 28 Ba p pr i 2 A gt A Gr N if f r t VW f Sie li H pr Ti A gt 3 Q Y I fi AA f 1 NL f 4 j Tj m r Y A FY gt 2 oo j A gt as J OAF Cy Figure 3 28 Installation of Zigbee antenna 29 Figure 3 29 ZigbeeCard 4 The Zigbee card supports wireless network communication The communication frequency is optional from 2 405GHz 2 480GHz and the visible Communication distance reaches up to 6561 feet The Zigbee communication is an excellent choice for the onsite where the communication cables are inconvenient to pave The factory default configuration of ZigBeeCard is transit route mode The communication frequency is 2 480GHz Network ID is OxFF The transmit mode is Master slave and the communication baud rate is 9600pbs 5 Connect the communication cables as follows 30 IT GN OD OD GN ED TN GT OT OT OD OD CI Figure 3 30 Cable connection of Zigbee communication 6 Plug the unused holes on the cable gland with waterproof stick and fasten the cap of the cable gland Figure 3 31 Plug waterproof stick into the unused hole For more information about CPS monitoring solutions please visit www chintpower com na or contact our after sales service center 31 Chapter 4 Operation 4 1 Start up Manual start up Manual start up is required after initial installation or manual fault shut down Move the cursor from
6. N silt a A pt a r C i Pa vor Figure 3 14 Diagram for wire stripping of AC output c Crimp the terminal as shown in Figure 3 15 Figure 3 15 Diagram for terminal crimping of AC output 3 Cable making for grounding a The Gnd cable Equipment grounding conductor is recommended to be green or green with continuous yellow stripes per National Electrical Code Strip the skin 0 4 inch off the cables as shown in Figure 3 16 Figure 3 16 Diagram for wire stripping of grounding conductor 19 ces b Crimp the terminal with the ring terminal in the accessory kit as shown in Figure 3 17 a or b Figure 3 17 a Diagram for terminal crimping of grounding conductor Figure 3 17 b Diagram for terminal crimping of grounding conductor 3 Connection of AC output and ground cables a Connect the L1 L2 L3 and Neutral AC output cables to the corresponding terminals of the socket on the PCB board b Connect the Gnd cable with a M5 nut at the marked place on the lower right side of the Wiring box as shown in Figure 3 18 a The Gnd cable can also be connected to the copper stick as shown in Figure 3 18 b Figure 3 18 a Diagram of AC output and ground cable connection Inn Figure 3 18 b Diagram of AG output and ground cable connection 21 3 3 3 Communication connection 1 Standard RS485 communication There are two RS485 signal ports on the inverter Shielded cabl
7. Pin 3 of RS485 1 2 of the last inverter in the multiple inverters string and data logger as shown in Figure 3 20 is recommended 5 The connection inside the Wiring box of the inverter after the first one is shown in Figure 3 21 23 Gt nos ID CD an an gI et nanan n a n n no r ET D n n D n D r ES O 0 12 CD CD IDUN ENT aff ee g Ger Ie Figure 3 21 Diagram of communication wiring 2 Optional communication card connection The inverter also supports 2 optional communication methods Ethernet and ZigBee Each communication card supports firmware upgrade by USB disk INSTRUCTION Please remove the communication cables in Figure 3 21 before installing the optional communication card a Ethernet communication 1 Install the communication card and fasten the 4 screws see Figure 3 22 NOTICE Please install the communication card in the wiring box as per the requirement of ESD to avoid damaging the card 24 ces Figure 3 22 Install the Ethernet card 2 Crimp the communication cable as shown below EIA TIA 568B Figure 3 23 Diagram of Ethernet wiring Table 3 4 Ethernet wiring requirement White orange White blue 25 o com 1 sm 3 Connect the communication cables as figure 3 24 a or b et ED C 0 0 6 on oo CD o n o ee o Figure
8. if alarm or protection faults occur This function will not respond when the inverter is in operation mode and a FaultOperated alarm interface will be indicated 3 3 Recover menu the manufacturer s parameter default value can be 56 restored when the inverter is not in operation mode Otherwise a FaultOperated will be prompted 4 In 4 ClrErrRecd menu history information of the faults can be cleared A confirmation is required to clear the records GridV Max V GridF Max Hz 208 60 2 GridVmaxTripT S FmaxTripTI S 0 20 0 20 1 SysPara Pls Input Pwd 2 Restart iai E 3 Recover 4 ClrErrRecd Wrong Pwd Pwd Error Pls Input Again KKK Initialization If yes If no FaultOperated Restoring Success ClearErrors Failure Success Figure 5 14 System parameter setup 57 If yes If no Are You sure Restarting Success Failure FaultOperated Chapter 6 Technical Data Nominal DC Input Power Max DC Input Voltage Operating DC Input Voltage Range Start up DC Input Voltage Power Nominal DC Input Voltage 2 Number of MPP Trackers MPPT Voltage Range 300 540Vdc Max Input Current Imp 50A 25A per MPPT Max short circuit current li
9. the main operation interface to 4 Setting Press ENT and input the password PAGEUP gt RIGHT gt PAGEDOWN gt LEFT to access the submenu 1 ON OFF Then move the cursor to ON and press ENT 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 The inverter will start up automatically when the output voltage and power of PV modules meet the set point AC power grid is normal and the ambient temperature Is within allowable operating range 4 2 Shut down Manual shutdown Normally manual shutdown is not required It can be shut down manually if repair or maintenance is required Move the cursor from the main operation interface to 4 Setting Press ENT and input the password PAGEUP gt RIGHT gt PAGEDOWN gt LEFT to access the submenu 1 ON OFF Move the cursor to OFF and press ENT and then the inverter will be shut down Automatic shutdown The inverter will shut down automatically when the output voltage and power of PV modules are lower than the set point or AC power grid fails or the ambient temperature exceeds the normal range 4 3 Operation mode There are 4 operation modes The following are corresponding indications for each mode 1 System check mode for start up as shown in Figure 4 1 32 Sys Checking gt gt gt gt gt gt Figure 4 1 System self check on
10. 3 24 a Cable connection of Ethernet communication 26 JE EE o S00000000E i ere aube E penne TS rir Ce CN O CDON Om E TELLUS d le f d M Figure 3 24 b Cable connection of Ethernet communication The Ethernet card is equipped with an Ethernet port for TCP IP communication The factory default IP address is 192 168 1 100 You may check the IP address by the finder exe software Use the Web Page function embedded in the Ethernet card to input the effective IP address in the IE address bar such as 192 168 1 100 Then the user can set up the internet parameters and check the real time information of inverter etc 27 Figure 3 25 Communication port on the Ethernet card b Zigbee communication 1 Install the Zigbee card in the wiring box and fasten the screws as follows Figure 3 26 Install the Zigbee card NOTICE Please install the communication card in the wiring box as per the requirement of ESD to avoid damaging the card 2 Install and fasten the cable gland from the inside of the wiring box as follows 28 N S q gt N AP D a P gt gt gt lt fr EY fs DN f AN pr AJ a N f an DD S ae Figure 3 27 Fix the cable gland 3 Fix the antenna on the bottom of the wiring box Fasten the two screws and put the antenna cable through the cable gland see Figure
11. 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 61
12. TL DO US 208 inverter are shown in Figure 3 1 21 42in Figure 3 1 Dimensions of CPS SC14KTL DO US 208 2 Installation method Make sure that the mounting structure wall rack etc is suitable to support the inverter weight Follow the mounting guidelines below a If the location permits install the inverter vertically b If the inverter cannot be mounted vertically it is allowed to be tilted 10 H backward by Max 15 c Do NOT mount the inverter forwards d Do NOT mount the inverter in a horizontal position e Do NOT mount the inverter upside down c d e Figure 3 2 Mounting the inverter properly 3 Space required for inverter mounting on the wall see Figure 3 3 The distances between the inverter and the surrounding objects should meet the following conditions two sides from the walls 2300mm 11 81in top 11 distance 2300mm 11 81in bottom distance 2600mm 23 62in the minimum spacing between two inverters in parallel 2600mm 11 81in 4 YI soon Min 11 81in caer 62in Ha op Sn va A gt 600MM 23 62in MOA A Figure 3 3 Inverter mounting dimensions 4 Secure the bracket with bolts through the mounting holes and install the inverter a Mark the 6 bolt holes for mounting the bracket as shown in Figure 3 4 150 150 ANa CER 300 730 Figure 3 4 Bracket mounting dimensions b Drill
13. d AlarmBeep Disabled 2009 12 15 21 14 ARC Operation 1 lt Enable gt Address 2 Enable 2 Cycle min BaudRate 3 ARC Clear 60 12400 24800 CleraErr 3 Manual 3 9600 4 19200 Figure 5 11 System setup menu and submenu 5 3 7 Power PF Move the cursor to 5 Power PF in the main interface Press ENT to access and check the parameters of ActivePower and PowerFactor as shown in Figure 5 12 The user can set the parameters of the two options through LCD operations as well as remote control by monitoring software 52 Local Command ActivePower 100 0 PowerFactor 1 000 Dispatch Command Figure 5 12 Options of Power PF 5 3 8 Power Control Press ENT to access the Power Control menu as follows ActivePower 100 Reactive Mode PF P Figure 5 13 Power control menu The active power parameters are adjustable from 0 to 100 0 in the ActivePower menu You can select the specific reactive mode in the ReactiveMode menu The ReactiveMode menu has 6 submenus Figure 5 14 including 1 None 2 Dispatch 3 Q Set 4 PF Set 5 PF P Set and 6 Q U Set 53 1 None 2 Dispatch 3 Q Set 4 PF Set Figure 5 14 Submenus of ReactiveMode 1 None No mode Disable reactive mode 2 Dispatch Remote power dispatch mode Note When the dispatch mode is selected the r
14. e are 4 submenus in 3 History 1 ErrHist 2 Recent Data 3 Version and 4 Etot 1 UP to 100 pieces of latest fault messages can be recorded and found in 1 ErrHist menu 2 The latest 21 days operation history data is available to be found in 2 Recent Data menu All variable names in the data comply with the content in 1 Measurements menu of the main interface The users can select the 2 Recent Data 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 Etot menu 49 No NoError 1 t2010 12 15 20 50 Yes SPI Error 2 Ed2010 12 15 20 59 SPI Error l PIs input date RunT 7 0 h 1 ErrHist Yield 123 5KWh l 2 Recent Data P 2 gt 3 History S Version 2 B 12 15 MPac 20 0KW 4 Etot IEE1547 SN 11481220003 DSPVer 0 01 LCDVer 0 01 TotalTag KWh 152123 5 Figure 5 10 History menu and submenu 5 3 6 System setup Move the cursor to 4 Setting in the main menu and press ENT to input the password PAGEUP gt RIGHT
15. eactive parameters of the inverter will change according to the remote change order including ActivePower PF and Q values ActivePower 1 None 100 0 2 Dispatch ReactiveMode 3 Q Set None 4 PF Set Figure 5 15 Enable the dispatch function 3 Q Set Set the Q mode Note Change the reactive power by adjusting the Q value reactive compensation 4 PF Set Set the PF mode Note Change the reactive power by adjusting the PowerFactor 5 3 9 System protection parameters setup By pressing PAGEDOWN and ENT at the same time in the main interface 54 and entering the password PAGEUP gt PAGEDOWN gt RIGHT 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 5 16 1 Set up the system protection parameters in 1 Syspara menu The specification of protection parameters is shown in Table 5 3 Table 5 3 Protection Parameters Table Sar Setup range lower limit No LCD indication Description _ default amp upper limit V Maxl V Class Max grid voltage 224 0 228 8 249 0 i VmaxTripTI S Class Max trip time 0 08 1 00 600 00 V Minl V Class Min grid voltage 104 0 183 187 0 Class Min grid voltage 4 VminTripTI S Eaa 0 08 2 00 600 00 trip time 5 V Maxll V Class II Max grid voltage 0 249 6 485 0 Class II Max
16. ed in this document 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 EARTH GROUND 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 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 5 minutes after disconnecting all sources from DC and AC sides WARNING All the installation and cable 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 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 CAUTION CPS SC14KTL DO inverter is approx 64kg 141 pounds Please ensure the mounting is properly installed before hanging the the inverter on the bracket Chapter 2 Overview 2 1 Inverter for grid tied PV sy
17. eeeaaeeeeeeeas 19 3 3 3 Communication CONNECTION ccccceeeeceeeceeseceeeceeeceeseaeeeeeeeas 22 Ogee 1 ge le ONO 32 ES oe EEE EEE EE aeetou 32 2 NN 32 4 3 Operation MOde nnnnnnnrnnnnnnnnnnnnrnnnnnnnnnnnnnnnvnnnnnnnnnnsnnnnnnnnnnnnsnnnen 32 4 4 Grid connection and power QeneratiOn ccccceceseeeeeeeeeeeeeeeeees 34 4 5 Fault shutdown eek 35 Chapter 5 User IMC aCe si Lu ananasen 43 5 1 Description of LCD panel rrrnnnnnnnnrnnnnnrnnrnnnnnrnnnnnnnnsnnvnnnnnsnnnnnnnnee 43 5 2 Operation Stale EEE 44 5 3 Interface ANd menu functions ccceecceeeceeeeeeeeeeeseeeseeeeeseeeeeaes 45 3 3 1 Menace LY OSS eee 45 5 3 2 Main operation interface ccccccseseeeceeeeeeceeeeeeeeeeeseeeeeeseeeeeens 47 5 3 3 Operation infOrMation ecse Ei 47 NNN 48 StS ONY EEE tose tnctesasecneeta eotanceeencece 49 B30 DY SICIN SQUID EE 50 STN 52 PT 53 5 3 9 System protection parameters Setup rrrrnnrrerranrerrnnnrenrnnnnen 54 Chapter 6 Technical D 2ussesssdsaeneN ee 58 Chapter 7 Limited Warranty ennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnvennnnnnn 61 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 CPS Grid tied PV Inverter This PV Inverter is a high performance and highly reliable product specifically designed for the North Amer
18. es service personnel Definition System leakage current is too high Possible causes 1 Excessive parasitic capacitance on PV module due to environmental factor 2 Grounding is abnormal 3 Fault inside the inverter Recommended solutions 1 Observe for 10 minutes and see whether the alarm will be eliminated automatically 2 Detect whether the electrical connection is abnormal 3 Contact after sales service personnel Definition Insulation impedance of PV positive to ground or PV negative to ground exceeds the specified range Possible causes 7 IsolationErr Air humidity is high Recommended solutions 1 Observe for 10 minutes and see whether the alarm will be eliminated automatically 2 Check insulation of PV system 3 Contact after sales service personnel Definition Internal protection of the inverter Possible causes IntProtect0010 01 80 Protection procedure occurs inside the inverter Recommended solutions 1 Observe for 10 minutes and see whether the alarm will be eliminated automatically 2 Contact after sales service personnel INSTRUCTION The actual display of PV VoltOver PV2VoltOver The actual display of PV Reverse PV2Reverse Internal fault of the inverter Possible causes Fault occurs inside the inverter Recommended solutions 1 The inverter can be forced to restart once if it is required by operation and if it is confirmed that there
19. es should be used for communication cables with the maximum length of 3280 feet 1 The communication 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 Wiring requirement of RS485 1 2 is shown in Table 3 9 Table 3 3 RS485 1 2 wiring requirement 2 The wires are labeled 1 8 from left to right as shown in Figure 3 19 No Oo 6 8 EIA TIA 568B Figure 3 19 Diagram of RS485 1 2 wiring 22 3 RS485 network connection When the inverters are monitored via the RS485 communication the unique RS485 address for each inverter can be set through the LCD interface Up to 31 inverters can be connected together in the RS485 communication network The Daisy chain topology is recommended for the RS485 network connection as shown in Figure 3 20 Other communication topologies such as the star networks are not recommended or VI Figure 3 20 RS485 connection between inverters and datalogger 4 A terminal resistance of 120 ohms connected between Pin 1 and
20. eshooting Table 1 TempSensorErr 2 SPICommerr Definition Prompt detection of abnormal temperature Possible causes 1 Temperature Sensor socket connecter has poor contact 2 Temperature Sensor is damaged Recommended solutions 1 Observe temperature display 2 Switch off 3 phase working power supply and then reboot the system 3 Contact after sales service personnel 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 3 IntFanErr 4 ExtFanErr 5 EepromErr Definition Fan invisible from outside inside inverter is working abnormally Possible causes 1 Fan service life has expired 2 Fan socket connecter has poor contact Recommended solutions 1 Observe for 5 minutes and see whether the alarm will be eliminated automatically 2 Switch off 3 phase work power supply and then reboot the system 3 Contact after sales service personnel Definition The visible fan from outside view is working abnormally Possible causes 1 Fan is blocked 2 Fan service life has expired 3 Fan socket connecter has poor contact Recommended solutio
21. going This mode indicates that the inverter is checking whether it is ready for normal operation after the manual start up of the inverter 2 Normal operation mode Default indication interface for normal operation of CPS SC14KTL DO US 208 is shown in Figure 4 2 a and 4 2 b The switching time between a and b is 5 seconds 08 12 13 10 10 Figure 4 2 Default indication interface for normal operation In this mode the inverter converts the power generated by PV modules to AG continuously and feeds into the power grid 3 Standby mode as shown in Figure 4 3 The inverter will turn into standby mode when the output voltage and power of PV modules do not meet the startup conditions or PV voltage and input power are lower than the set point The inverter will check automatically whether it meets the startup conditions in this mode until it turns back to normal mode The inverter will switch from standby mode to fault mode if malfunction occurs 33 Standby gt gt gt gt gt gt Figure 4 3 Inverter system in standby mode 4 Fault mode as shown in Figure 4 4 The inverter will disconnect from the power grid and turn into fault mode when the inverter or power grid fails Check the specific cause through Troubleshooting table Table 4 1 in terms of the fault message displayed on the LCD and eliminate the fault according to the instructions SPICommerr Figure 4 4 Fault indication interface
22. grid voltage VmaxTripll S 0 08 0 16 600 00 trip time 7 V Minll V Class II Min grid voltage 100 0 104 183 0 Class II Min grid voltage VminTripTII S 0 08 0 16 600 00 trip time Class I Max grid F Maxl Hz 60 00 60 5 63 00 frequency Class Max grid 10 FmaxTripTI S a 0 08 300 600 00 frequency trip time Class Min grid 11 F Minl Hz 57 00 59 3 60 00 frequency 55 Class I Min grid 12 FminTrip TI S 0 08 300 600 00 frequency trip time Max grid voltage recover 13 V MaxRecover 1208 0 225 249 0 value Min grid voltage recover 14 V MinRecover 104 0 186 208 0 value Min grid frequency 17 F MinRecover 58 00 59 4 60 00 recover value Grid frequency recover 18 F RecoverT i 0 08 300 600 00 ime 15 V RecoverT S Grid voltage recover time 0 08 300 600 00 Max grid frequency 16 F MaxRecover 50 00 60 4 62 00 recover value 19 PVStartVol V PV startup voltage 150 0 295 310 0 SoftStep KW S Soft step 0 1 0 1 1 2 2 Restart menu If an internal fault shutdown happens a severe fault has occurred inside the inverter The user may perform a force restart once in this menu if the user needs to restart the inverter INSTRUCTION The Restart function is effective only when the fault IntFault0010 0150 in the troubleshooting table occurs The inverter may restore to normal operation automatically
23. holes at the marked positions with a diameter of 0 4in drill and put the 6 expansion bolts into the holes c Take the mounting bracket out of the package and secure the bracket on the wall with the 6 nuts in pair as shown in Figure 3 5 Figure 3 5 Positions of bolt holes on the bracket d Screw off the bolts and remove the two panels on both sides of the inverter as shown in Figure 3 6 Figure 3 6 Removal of panels before mounting inverter e Two people grab at the position on each side see Figure 3 7a lift up the inverter and then hang it on the bracket see Figure 14 ces 3 7b c Make sure the inverter is securely fixed on the bracket Hand Grab Figure 3 7a Mounting inverter on the bracket Figure 3 7b Mounting inverter on the bracket Figure 3 7c Mounting inverter on the bracket f Put the two removed panels back and secure them with 4 M4 12 bolts on each side as shown in Figure 3 8 Figure 3 8 Securing panels on both sides 16 3 3 Electrical installation Inverter cable terminals of CPS SC14KTL DO US 208 are shown in Figure 3 9 pL A B C Figure 3 9 Inverter cable terminals Position Connection entry Knockout holes for DC input cables Knockout hole for AC output and ground cables Knockout hole for communication cables 3 3 1 DC connection 1 To ensure the optimal
24. ican Solar market 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 Chapter 1 IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS Please read this user manual carefully before product installation CPS reserves the right to refuse warranty claims for equipment damage if the user fails to install the equipment according to the instructions in this manual Warnings and symbols in this document 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 INSTRUCTION INSTRUCTION indicates important supplementary information or provides skills or tips that can be used to help you solve a problem or save you time Markings on the product HIGH VOLTAGE The product works with high voltages All work on the product must only be performed as describ
25. is no other problem 2 Contact after sales service personnel s PV1VoltOver or J is PV1Reverse or 42 Chapter 5 User Interface 5 1 Description of LCD panel The CPS SC14KTL DO US 208 LCD panel mainly consists of LCD screen LED indicator lights buzzer and 6 keys as shown in Figure 5 1 Interpretation for the indicator lights is shown in Table 5 1 and function of the keys is shown in Table 5 2 Table 5 1 LED Indication Light Energized control panel starts to Working work POWER power om light Power supply not working Light In grid tied power generation state Grid tied RUN operation Derated running status light up 0 5s indication light off 1 65 light i In other operation status or power supply not working Light Grid Grid is normal on GRID status Flash Grid fault light up 0 5s light off 1 6s indication Flash a light Power supply not working Fault Light Indicates a Fault status FAULT Oo indication Slow Indicates Alarm light up 0 5s light off light flash Fast Protective action light up 0 5s light flash off 0 5s Light i No fault or power supply not working O Table 5 2 Definitions of the keys Key Definition of function Escape key Back end mute Enter key Confirm entering the menu confirm set point Page up in selection menu Page down in selection menu 1 when setting parameters Right 1 when setting parameters 5 2 Operation
26. menu is used to enable disable the function of MPPT scan by pressing LEFT or RIGHT Press ENT to confirm the selection When the MPPT scan is enabled the inverter will scan the MPPT automatically according to the scheduled cycle 2 Cycle min is the second submenu used to set the cycle time of MPPT scan Move the cursor to the submenu press ENT and use LEFT and RIGHT to set the cycle time The range is 30 540 and the unit is minute Press ENT to confirm the selection or press ESC to get back to the previous menu 3 Manual is the third submenu used to enable the MPPT scan manually Move the cursor to the submenu press ENT to start MPPT scanning Note The function is only effective when the MPPTScan is enabled 7 7 ARC Setup menu has two submenus ie ARC Option and ARC Clear 1 ARC Option is used to enable disable the ARC function 2 ARC Clear is used to clear the ARC fault protection When ARC Protect occurs the system cannot clear the fault automatically Please use ClearErr to clear the fault manually 51 Note The warning ARCBoard Err cannot be cleared by ClearErr but this warning doesn t affect the start up of the inverter gt ON OFF ON 1 Power ON OFF gt Hy 2 Language 2 English 4 Setting 3 Sounds 4 SysTime 5 Commun 6 MPPTScan 7 Arc Setup KeyBeep Enable
27. mit per 45A MPPT Number of DC Inputs and Fuses DC Disconnection Type Rated AC Output Power Max AC Output Power Rated Output Voltage Output Voltage Range Grid Connection Type Max AC Output Current Rated Output Frequency Output Frequency Range 1 Exceeding the rated voltage shown in Max DC Input Voltage may cause permanent damage to the equipment 58 AC Disconnection Type Stand by Night Consumption Protection Degree NEMA 4 Cooling Variable speed cooling fans 13 F to 140 F 25 C to 60 C Operating Temperature Range derating from 122 F 50 C Operating Humidity 0 95 non condensing 6562ft 2000m derating from 492 1ft 1500m Display Dimensions WxHxD UL1741 2010 CSA C22 2 Safety and EMC Standard NO 107 1 01 IEEE1547 FCC PART15 Grid Standard IEEE1547 2003 IEEE1547 1 2005 Operating Altitude Note The output power of CPS SC14KTL DO US 208 inverter de rates when the DC voltage of is lower than 300V See Figure 6 1 PV Voltage V Figure 6 1 DC voltage de rating curve Note The output power of CPS SC14KTL DO US 208 inverter de rates when the environmental temperature is higher than 122 F 50 C See Figure 6 2 122 140 F 50 C 60 fame Figure 6 2 Environmental temperature de rating curve 60 Chapter 7 Limited Warranty The warranty policy of this product is specified in the contract otherwise the warranty period is
28. nd see whether the alarm will be eliminated automatically 2 Check whether the grid voltage is within the specified range 3 Check whether the cable between the inverter and power grid is disconnected or has abnormalities 4 Contact after sales service personnel Definition Grid voltage frequency is abnormal or power grid is not detected Possible causes 1 Grid frequency has abnormalities 2 Cable connection between the inverter and the grid is poor 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 specified range 3 Check whether the cable between the inverter and power grid is disconnected or has 39 6 GFCI Err abnormalities 4 Contact after sales service personnel Definition PV voltage exceeds the specified value Possible causes PV over voltage Recommended solutions 1 Observe for 30 minutes and see whether the alarm will be eliminated automatically 2 Check whether PV voltage exceeds the specified range 3 Turn off the PV input switch wait for 5 minutes and then turn on the switch again 4 Contact after sales service personnel Definition PV module is connected inversely Possible causes PV positive pole and negative pole are connected inversely Recommended solutions 1 Check whether positive pole and negative pole are connected inversely 2 Contact after sal
29. ns 1 Observe for 5 minutes and see whether the alarm will be eliminated automatically 2 Check for foreign matters on fan blades 3 Switch off 3 phase work power supply and then reboot the system 4 Contact after sales service personnel Definition Internal alarm 37 Protect 1 TempOver 2 GridV OutLim Possible causes Internal memory has a certain problem Recommended solutions 1 Observe for 5 minutes and see whether the alarm will be eliminated automatically 2 Contact after sales service personnel Definition Ambient temperature or temperature inside inverter is too high Possible causes 1 Ambient temperature outside the inverter is too high 2 Fan is blocked 3 Cooling is affected because of incorrect installation Recommended solutions 1 Confirm that external ambient temperature is within the specified range of operating temperature 2 Check whether radiation air inlet is blocked 3 Whether radiation fan is blocked 4 Check whether the location of installation is appropriate or not 5 Observe for 30 minutes and see whether the alarm will be eliminated automatically 6 Contact after sales service personnel Definition Grid voltage exceeds the specified range 38 3 GridF OutLim Possible causes 1 Grid voltage is abnormal Power grid breaks down 2 Cable connection between the inverter and the grid is poor Recommended solutions 1 Observe for 10 minutes a
30. ost up voltages The inverter converts the DC energy to 3 phase AC energy The high frequency components of AC voltage are removed with a line filter Then the 3 phase AC energy is sent through two stage relays and EMI filter to produce high quality AC power DC Switch AC Switch L1 L2 L3 Lightin g surge PV2 PV2 Figure 2 2 Schematic diagram of CPS SC14KTL DO US 208 2 4 Appearance description Figure 2 3 Appearance sketch of CPS SC14KTL DO US 208 Description of main items of CPS SC14KTL DO US 208 See Figure 2 3 1 LCD key buttons operate the functions and change settings of inverter 2 3 4 5 6 7 8 LCD display indicates data LED indicator lights indicate the status of inverter Holes for cable entry DC switch control the DC power on and off AC switch control the AC power on and off Main housing Wiring box Chapter 3 Installation Below is the installation instruction of the inverter Please read carefully and install the product step by step Before installation please check that the following items are included in the package Table 3 1 Main items SC14KTL DO US 208 Grid tied PV inverter a Mounting bracket Installation and E a 4 Warranty card Warranty card K necessary Accessory kit accessories The 5 Accessory kit contains items listed below Table 3 2 Accessories vem ov ve M8x25 Expansion 8 pair
31. 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 The No 10 12AWG copper cored soft cables are recommended for DC input connection c The inverter has 2 MPPTs with 4 DC input strings Ensure that the Max DC input current of each string does NOT exceed 10A 2 Confirm that the PV modules for each MPPT of the inverter are of the same types and specifications before connection 17 ces Figure 3 10 Wire stripping of DC input b Crimp the terminal as shown in Figure 3 11 Figure 3 11 Terminal crimping of DC input c The order of cable connection from left to right is PV1 PV1 PV2 PV2 Connect the PV1 and PV2 to the corresponding fuse socket of the negative pole and connect the PV1 and PV2 to the corresponding fuse socket of the positive pole as shown in Figure 3 12 53000000006 a Figure 3 12 Wire connection of DC input ces 3 3 2 AC and ground connection The following describes how to connect the AC output and grounding cables between the inverter and the public power grid 1 Use the recommended cables L1 Line 1 L2 Line 2 L3 Line 3 Neutral and Gnd Equipment grounding conductor 8AWG copper cored soft cables 2 Cable making for AC output a Strip the skin 0 4 inch off the cables as shown in Figure 3 14 R gt oe
32. s for bracket installation bolts amp nuts OT type terminal For ground cable 16 for DC input cables 4 Pre insulated end ferrule for AC ny cables RJ45 connecters connecters for communication cables communication cables Flange M5 nut for ground cable INSTRUCTION The items in the accessory kit table above are for the standard configuration The accessories may vary if optional parts are purchased 3 1 Recommendation before installation v Check that the product environmental specifications protection degree operating temperature range humidity and altitude etc meet the requirements of the specific project location v Make sure that the power grid voltage is within normal range v Ensure that the local electricity supply authority has granted permission to connect to the grid v Installation personnel must be qualified electricians or people who have received professional training v Sufficient space is provided to allow the inverter cooling system to operate normally v Install the inverter away from flammable and explosive substances v Avoid installing the inverter in locations that exceed the temperature limits specified in the inverter data sheet to limit undesirable power loss v Do not install the inverter near the electromagnetic source which can compromise the normal operation of electronic equipment 3 2 Mechanical installation 1 Dimensions The dimensions of CPS SC14K
33. state Table 5 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 into the grid RUN will blink if the grid is in derated running state during the period of feeding power into the grid GRID will light up when the grid is normal during the operation of the 44 Oops gt 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 being lighted up when an internal fault occurs The buzzer will give alarms if a fault involving power grid abnormality occurs 5 3 Interface and menu functions Users can perform the corresponding operations with the 6 function keys according to the indications of the LCD display 5 3 1 Interface types 1 The LCD interface starts with the company logo once the system is energized as shown in Figure 5 2 w 4 CHNT __ SEN zx Figure 5 2 LOGO interface 2 Indication of inverter operation mode Sys Checking gt gt gt gt gt gt 45 Figure 5 3 Inverter system check ongoing S
34. stems CPS SC14KTL DO US 208 inverter is suitable for use with 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 from PV modules to AC with the same frequency and phase as the AC grid All or part of the AC power is supplied to local loads and the Surplus power is supplied to the electricity grid AC power ep pee K Second distribution 6 distribution electric meter AC Grid equipments equipments Figure 2 1 Grid tied PV system 2 2 Product features The two MPPT design has the benefit of increasing the power generating efficiency of the whole PV system The inverter has 2 MPPTs so a separate array can be controlled by an independent Maximum Power Point Tracking MPPT control circuit This means that the two arrays can be installed in different positions and orientations The transformerless design of inverter with the benefit of small size light weight high power density flexible installation and convenient maintenance provides the best cost performance for the whole PV system 2 3 Circuit structure design The basic schematic diagram of CPS SC14KTL DO US 208 is shown in Figure 2 2 The input DC passes through surge protection circuitry DC EMI filter and the boost circuit to achieve maximum power tracking and bo
35. tandby gt gt gt gt gt gt Figure 5 4 Inverter system in standby mode VAC KW Kwh 08 12 13 10 05 08 12 13 10 10 a b Figure 5 5 Default display interface for normal operation SPICommeErr Figure 5 6 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 5 3 stand by mode as shown in Figure 5 4 normal operation mode as shown in Figure 5 5 the switching time between a and b is 5 seconds and fault mode as shown in Figure 5 6 The default indication interface mainly indicates PV voltage PV current 46 Oops gt grid voltage instant power daily generated power and time information under normal operation The fault information of the most recent current fault will be indicated on the LCD screen when the inverter is in fault mode 5 3 2 Main operation interface LCD screen displays default indication interface when the inverter is in operation mode Press ESC in this interface to escape the default interface and enter the main operation interface The main operation interface is shown in Figure 5 7 1 Measurements 5 Power PF 2 Alarm 6 Power Control 3 History 4 Setting Figure 5 7 Contents indicated on the main operation interface The main operation interface of LCD screen has 6 menus i e 1 Measurements
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