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Conext CL 18 25 NA User Manual (990-5058
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1. Figure 2 53 RPO connection with multiple inverters PV String Protection NOTICE RISK OF EQUIPMENT DAMAGE It is required to use only gPV class fuses for protecting PV array from short circuit current as per UL 2579 The selection of appropriate fuse rating is very important for any given PV installation Failure to follow these instructions can result in equipment damage For calculating the PV fuse rating for a specific PV array installation refer to the PV panel manufacturer documentation and NEC 690 8 and 690 9 in addition to local electrical installation code If less than 2x strings are used per MPPT fusing may not be needed dummy link can be used Recommended Fuse Part number PV 15A10F Make Cooper Bussman Rating 1000 VDC 15 A 2 52 990 5058A 001 Rev 02 This manual is for use by qualified personnel only PV String Protection schneider order code OJ 512 0073 Z set of 20 fuses Recommended dummy link part number C1ONL Make Cooper Bussman schneider order code OJ 512 1028 Z set of 10 links Note Not applicable
2. Figure 2 42 Communication interface Connecting Cables to the Communication Module To access the communication ports remove the communication hole plugs Refer to the Figure 1 3 on page 1 5 for the location of the communication cable The connections for the Modbus Ethernet RPO and Dry Contact Relay are done through an appropriate conduit connector The conductor protection should be in line with the applicable wiring codes e For non conduit installations the cables can be brought into wiring box via a 3 4 box connector with plastic or metal cable glands UL approved To maintain TYPE 4X rating ensure that proper glands are used e For conduit use applicable raceway needs to be placed and termination is done at the wiring box chassis using conduit connectors appropriate for the raceway The conduit must be terminated at the 3 4 opening The RPO and dry contact relay cables can be connected to the communication card using the mating connectors provided along with the wiring box lit kit Refer to the Table 2 1 on page 2 3 990 5058A 001 Rev 02 2 45 This manual is for use by qualified personnel only Installation and Configuration SPD AFD monitoring cable connection The SPD AFD monitoring cable to be connected to communication card as shown in Figure 2 44 on page 2 46 1
3. Wiring Box Inverter Wiring Box PV Array 1 Fuse AFD DC Surge Protection tt foe ae iw Se Ny Ay PV Array 2 Fuse Surge laa Protection Bir 2 a re Communication os Interface Yn eee ee EA EEEE E a T ay i Figure 2 55 Arc Fault Detection and Surge Protection device wiring Surge Protection Device Monitoring lt Overvoltage surge arrestors are provided on the DC and AC side for protecting the inverter from high voltage surges due to any abnormal conditions Figure 2 55 shows the connection details for both AC and DC SPD s The Conext CL has SPD monitoring feature that indicates the End of Life and need for the SPD module replacement Note SPD is an optional feature For more details refer to the Wiring Box Configurations on page 2 14 Web Interface The Conext CL inverter has an integrated built in web server The user can access the inverter data using an Ethernet network connection The following steps explain how to access the web module of inverter 1 Connect one end of the Ethernet Cable to the RJ45 Ethernet port socket 1 on the inverter 2 Connect the other end of the Ethernet cable to the network router or laptop PC 3 Check the IP address on the LCD display Note down the IP address of
4. N Mounting bracket SS N Wiring box g 1 Figure 2 24 Fastening the wiring box to the mounting bracket Connector cover 6x Captive screws Figure 2 25 Opening the front cover of the wiring box 2 28 990 5058A 001 Rev 02 This manual is for use by qualified personnel only o E o o o o o o Figure 2 26 Removing the connector cover Slot for guide bushing Figure 2 27 Anchoring the connector cover 990 5058A 001 Rev 02 Mounting Connector cover 2x Guide bushing Connector cover 2 29 This manual is for use by qualified personnel only Installation and Configuration 2 30 2x Guide bushing Ke A Guide bushing slt WW Figure 2 28 Inverter assembly side view oe 2x Guide bushing
5. 3 7 Normal Power up 3 7 Quick view 3 8 Menu Structure 3 9 Home Page 3 14 Inverter Information 3 14 Logs 7 3 15 Event Log 3 15 Energy Log 3 15 xvi 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Contents Troubleshooting Messages 4 2 Maintenance Periodic Maintenance eee 5 2 Factors Affecting the Inverter Performance 5 3 PV Array Factors 5 3 Other Factors 5 3 Performing General Maintenance 5 4 Semi Annual Maintenance 5 4 Cleaning the Louver Cover 5 7 Cleaning the Fans
6. 2 18 Fastening the Mounting Plate to the Wall 2 18 Dimensions of the Mounting Brackets 2 19 Pole Mounting 2 22 Mounting the Wiring box and Inverter 2 25 990 5058A 001 Rev 02 XV This manual is for use by qualified personnel only Contents Planning and Wiring 2 31 Recommended Protection Devices and Conductor Sizing 2 32 Planning 2 32 PV Planning 2 32 PV Wiring Diagrams 2 34 Independent or Parallel Configuration of Two Inputs 2 34 DC Wiring From PV Array 2 36 DC Wiring Polarity 2 36 DC wiring 2 36 AC Grid Connection Planning 2 36 AC Wiring 2 37 Maximum AC Cable Length 2 40 Earthing Terminal 2 40 Communicati
7. 3 o Figure 2 29 Inverter assembly front view 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Mounting a 2x Guide bushing S fo 4 vA Figure 2 30 Locking the inverter to the wiring box Figure 2 31 Locking Inverter and Wiring box power connector 990 5058A 001 Rev 02 2 31 This manual is for use by qualified personnel only Installation and Configuration Figure 2 32 Closing the wiring box Figure 2 33 Affixing the silicone layer 2 32 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Planning and Wiring Planning and Wiring This section describes the PV Planning DC Wiring to the inverter and AC grid connection Planning and Wiring A A DANGER HAZARD OF ELECTRIC SHOCK AND FIRE e All the electrical work must be done in accordance with the local electrical codes The Conext CL inverter has no user serviceable parts inside To be installed and serviced only by qualified personnel equipped with appropriate PPE and following safe electrica
8. 5 7 SPD Replacement 5 9 Fuse Replacement 5 9 AFD Fault 5 10 De commissioning 5 10 Firmware Upgrade process 5 11 Specifications System Specifications A 2 RCMU A 5 Efficiency Curves A 5 Derating Curves A 6 Descriptions of LCD Information Description of Information Displayed on the LCD B 2 990 5058A 001 Rev 02 Xvi This manual is for use by qualified personnel only Contents XVIII 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Figures Figure 1 1 Figure 1 2 Figure 1 3 Figure 1 4 Figure 1 5 Figure 1 6 Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Figure 2 7 Figure 2 8 Figure 2 9 Figure 2 10 Figure 2 11 Figure 2 12 Figure 2 13 Figure 2 14 Figure 2 15 Figure 2 16 Figure 2 17 Figure 2 18 Figure 2 19 Figure 2 20 Figure 2 21 Figure 2 22 Figure 2 23 Figure 2 24 Figure 2 25 Figure 2 26 Figure 2 27 F
9. AC output terminal String fuse holder DC disconnect switch Figure 1 1 Typical installation Optimum plus Configuration For installation details see Installation and Configuration on page 2 1 1 2 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Key Features Key Features Inverter e Power rating e Conext CL 18000NA inverter 18 kVA 600 VDC and 1000 VDC systems e Conext CL 25000NA inverter 25 kVA 1000 VDC systems e PV compatibility Designed to work with Mono Crystalline or PolyCrystalline panel e Three phase 3 Phase N PE ground four wire grid tie transformerless e Wide MPPT voltage range e 300 800 VDC for 18 KVA e 500 800 VDC for 25 KVA e Supports high array to inverter ratio e Two independent MPP Trackers with option to combine together e Energy harvest MPPT efficiency gt 99 e Fast sweep MPPT tracking e Maximum power conversion efficiency gt 98 e Power factor adjustment range 0 8 capacitive to 0 8 inductive e Low AC output current distortion THD lt 3 nominal power e TYPE 4 electronics TYPE 3R rear portion protection class for installation in outdoor environments e 13 to 140 F 25 to 60 C operating temperature range e Flexible installation e Inverter and wiring box separable installation e Vertical and lay flat installation 10 orientation from ground plane e Dry Contact Multi function r
10. 2407 4 6 AC OV fast err The Grid Voltage is above the set limits The rise in the grid voltage is rapid Check the voltage if it is within the operating limits and the problem persists contact Schneider Electric 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Messages Table 4 1 Alert message descriptions Continued Event Code 2408 Definition AC UV inst Description The Grid Voltage is above the set limits instantaneously Check the voltage if it is within the operating limits and the problem persists contact Schneider Electric 2410 AC OV inst The Grid Voltage is below the set limits instantaneously Check the voltage if it is within the operating limits and the problem persists contact Schneider Electric 2411 AC OC inst The Grid Current is above the set limits instantaneously Restart the inverter If the event persists contact schneider Electric customer Service 2415 AC OV avg err The Grid Voltage is above the limits over a Set period of time Restart the inverter If the event persists contact schneider Electric customer service 2416 AC UF slow err The Grid Frequency is below the set limits Check the frequency if it is within the operating limits and the problem persists contact Schneider Electric 2417 AC OF slow err The Grid Frequency is above the set limits Check the frequency
11. r4 i LEP h YN e ff 4 keJ 7 UY ye gt j Vy y UM I SIIT 7 7 74 F Uf TIIT 7I VIU A Y f 7 YP ITT YY f f My Uf K LEL f Figure 5 4 Removing the louver cover left side 5 6 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Semi Annual Maintenance Cleaning the Louver Cover After removing the louver cover gently with a screw driver clean the cover with a soft brush paint brush or compressed air Ensure that the rear enclosure is covered properly while cleaning to prevent the entry of foreign bodies Cleaning the Fans The fans are located at the right hand side of the unit Fans Figure 5 5 Fan location Figure 5 6 Removing the fan A typical single fan removal is as shown in Figure 5 6 990 5058A 001 Rev 02 5 7 This manual is for use by qualified personnel only Maintenance Fan maintenance 1 Unfasten the screws of fan assembly and remove the fan gently with a screw driver Unlock the fan connectors as shown below in Figure 5 7 3 Take the fan out and clean it only with a soft brush or clean cloth NOTICE RISK OF EQUIPMENT D
12. 1 7 Installation and Configuration Transportation 2 2 Lifting 2 2 Package Inspection ee eee 2 2 Wiring box 2 2 Scope of delivery 2 2 Wiring box Nameplate 2 3 Inverter 2 5 Scope of delivery 2 5 Nameplate 2 5 Planning for Installation 2 6 Installation Overview 2 6 Environmental Requirements 2 8 Improper Usage 2 9 Correct Mounting Position 2 10 Dimensions 2 12 Wiring Box Configurations 2 13 Tools Required 2 17 Torque Table 2 17 Mounting
13. Do not install the inverter horizontally Local codes might impose additional mounting requirements in case of earthquake or other high risk areas Failure to follow these instructions can result in poor performance or damage to equipment The correct mounting position is as shown in Figure 2 6 Examples of incorrect positions are shown in Figure 2 7 The inverter does not require any clearance at the rear side and it may be mounted flat on a surface with a minimum of 10 inclination Install the device at eye level for optimum user comfort Note For lay flat installation it is recommended to install the inverter on a Power Rack and Powerskid not included in the package The ordering details for Power Rack and Powerskid Part number BTK10 IPS SCH XX For more details http www benteksolar com 2 10 990 5058A 001 Rev 02 This manual is for use by qualified personnel only 990 5058A 001 Rev 02 maximum of 80 Planning for Installation Vertical installation Figure 2 6 Correct mounting position jj PTT L Figure 2 7 Incorrect mounting positions This manual is for use by qualified personnel only Inclined installation from ground plane Installation and Configuration SSS Se SSS SS SS SS SS SS Sa 23 6in 23 6in
14. Inverter serial number Inverter FGA number Wiring box FGA number Wiring box serial number Communication application firmware version number Communication bootloader firmware version number AC processor application firmware version number DC processor application firmware version number Home gt Settings gt General Settings Displays the settings of name language date and time contrast back light and backlight time out 990 5058A 001 Rev 02 This manual is for use by qualified personnel only 990 5058A 001 Rev 02 LCD text Name Language Date amp Time Contrast Backlight Backlight timeout s Network settings IP Address Gateway Netmask DHCP Modbus settings Baud rate Modbus Address TCP port Install settings select Country Grid setting PV Insulation Enable Description of Information Displayed on the LCD Table B 1 LCD texts Continued Description Name given by user installer for the inverter identification View set language for display View set date time zone and time View set LCD contrast range 43 65 View set LCD Backlight brightness range O 10 View set LCD backlight ON timeout in seconds range 0 999 Home gt Settings gt Comm Seittings gt Network Settings Network related settings like IP Address Net mask Gateway and DHCP View set inverter IP address View set inverter network gateway View set inverter network mask View set DHCP Enable 1
15. e Composite toed safety boots e Safety hard hats e Double insulated tools e Appropriate meter to verify that the circuits are de energized 1000 volts DC or 600 volts AC rated minimum Check the local safety regulations for other requirements XIV 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Safety 990 5058A 001 Rev 02 XV This manual is for use by qualified personnel only Safety xvi 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Contents Important Safety Instructions READ AND SAVE THESE INSTRUCTIONS DO NOT DISCARD ix Safety Information X FCC Information to the User XII Safety and Rating labels xiii Safety equipment xiii Introduction Description of the Conext Grid Tie Solar Inverter 1 2 Key Features 1 3 Block Diagram 1 4 Physical Features 1 5 Air Ventilation 1 6 Bottom view of Wiring box
16. By Diagnostics Status d CII A Ote D WAA v Password Press OK to submit 1 3 gt Clear Custom Data Logs Clear Service Logs Clear Event Log Maintenance Press OK to Clear Event Logs Clearing Event Logs Please Wait Clear Energy Log RESET to FACTORY Ot ye Push Logs to USB memory RE A e Home at Settings 2 Diagnostics Status S Ot ye Password WAAC Press OK to submit Maintenance 1 3 gt Clear Custom Data Logs Clear Service Logs Clear Event Log Clear Energy Log x Press OK to Clear Energy Logs gt Clearing Energy Logs Please Wait RESET to FACTORY Push Logs to USB memory 440 Ir Ho ee Home Password Maintenance 1 3 gt K 0k Clear Custom Data Logs TT Settings gt Clear Service Logs Configuration complete By Diagnostics JEJL m gt Clear Event Log pe Fress OK lo Reset System Restarting to lt _j Factory Settings y 9 O Status E0 Clear Energy Log 4 Apply Settings 2 Press OK to submit ASR Esc v Push Logs to USB memory Home A Password Maintenance 1 3 gt Clear Custom Data Logs dlp Settings f Clear Service Logs Press OK to Copy Copying Logs to By Diagnostics Pai HHA gt Clear Event Log P All Logs to USB p gt
17. Check for the SPD AFD monitoring cable at the cable tray end cable tray monitoring cable Figure 2 43 SPD AFD monitoring cable 2 Cut the cable tie to separate the monitoring cable 3 Remove the ESD cover over the connector 4 Connect the SPD AFD monitoring cable to the Comm card Figure 2 44 SPD AFD monitoring cable connection Note e The monitoring cable connection to Comm card remains the same for PVSCL1825NA201 PVSCL1825NA300 and PVSCL1825NA301 e The SPD AFD connector will not be present in PVSCL1825NA100 and PVSCL1825NA200 2 46 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Communication Interface Modbus RS485 Connection The pin definitions of the Modbus RJ 45 connection are shown in Table 2 13 Figure 2 45 on page 2 47 shows the RJ 45 connectors NOTICE RISK OF EQUIPMENT DAMAGE Make sure the other end of the Modbus RS485 connection is also Modbus RS485 Connection to any other tyoe of communication port such as Ethernet may result in an equipment damage Failure to follow these instructions can result in equipment damage Note e Using incorrect pin out for RS 485 cable and interchanging the GND pins results in discontinuity on the network and poor communication e tis recommended to use the shielded Cat5 cable 24 AWG Table 2 13 RJ 45 pin details Pin Function DATA DATA NC Not connected 4 9 T 8 Modbus ground Sock
18. Disable 0 Home gt Settings gt Comm Settings gt Modbus settings Configure the Modbus parameters View set the inverter to operate at different Modbus Baud rates View set Modbus address or slave ID default set to 10 View set TCP port for communication Default 502 Install settings are settings related to PV insulation DC injection RCMU enable reset factory and Multifunction relay Lets you to select country grid setting displays the selected settings and lets you to change the settings with in predefined grid code Displays the grid related parameters and predefined values of the selected grid Displays the PV insulation menu PV insulation check enable 1 disable 0 B 5 This manual is for use by qualified personnel only Descriptions of LCD Information B 6 LCD text Resistance KO RCMU Enable Factory Default Revert To FPU Wiring Box selection Multi function relay MPPT Settings Custom Power control Active power Power limit PCT Enabled Set Point Set Point KW Temperature DC Module 1 DC Module 2 Ambient Temp Table B 1 LCD texts Continued Description PV insulation resistance value threshold in Kilo Ohms RCMU enable 1 disable 0 Restores all the default values select this option and restart the inverter to reset to the first time power up configuration settings Displays the different wiring box options to configure as per part number D
19. Figure 5 11 Web page dashboard screen 5 13 Figure 5 12 Web page firmware upgrade screen 5 13 Figure A 1 Efficiency curve 18KW A 5 Figure A 2 Efficiency curve 25KW A 6 Figure A 3 Derating curve 18KW A 6 Figure A 4 Derating curve 25KW A 7 990 5058A 001 Rev 02 XXI This manual is for use by qualified personnel only Figures xxii 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Tables Table 2 1 Packing list Wiring box 2 3 Table 2 2 Packing list Inverter 2 5 Table 2 3 Wiring box Base PVSCL1825NA100 2 14 Table 2 4 Wiring box Essential PVSCL1825NA200 2 15 Table 2 5 Wiring box Essential plus PVSCL1825NA201 2 15 Table 2 6 Wiring box Optimum PVSCL1825NAS300 2 16 Table 2 7 Wiring box Optimum plus PVSCL1825NA301 2 17 Table 2 8 Torque table 2 17 Table 2 9 PV input parameters 2 33
20. Schneider Electric solar schneider electric com Please contact your local Schneider Electric Sales Representative or visit our website at http solar schneider electric com tech support 990 5058A 001 Rev 02 Printed in India
21. The conduit entries and the DC disconnect switch are as shown in Figure 1 6 on page 1 7 The conduit size and associated accessories selection should be appropriate to ensure the TYPE 4 environmental protection Cable requirements e Cable type solid or stranded copper wire e Cross section 10 AWG 5 3 mm to 6 AWG 21 2 mm e The DC cables must be approved for temperatures over 194 F 90 C e The maximum cable length subject to conductor cross section must be observed e The DC cables must be sized in accordance with the installation requirements AC Grid Connection Planning 2 38 This section describes the requirements regarding the AC output wiring 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Planning and Wiring The AC cable must be jacketed and has five insulated copper conductors to allow connection to L1 L2 L3 N and PE protective earth Any cable or wiring located outdoors must be outdoor rated and UV sunlight resistant The AC terminal block provided can accommodate AC cable sizes from 20 AWG to 4 AWG The recommended AC cable diameter is 8 AWG to 4 AWG The length of the cable should be selected to limit the voltage drop to lt 1 It is recommended to use twisted wire cables to reduce the grid line inductance and for improved performance If single core cables are used in the open duct keep the distance between the cores as minimum as possible NOTICE RISK OF EQ
22. The integrated RCMU is sensitive to both AC and DC leakage currents Note If an external RCD is used it shall be a Type B RCD and trip current has to be at least 300 mA Maximum AC current during a voltage drop with LVRT function is limited to follow with the Conext CL e Conext CL 18000NA 25 A e Conext CL 25000NA 33 A Efficiency Curves Conext CL 18000NA Efficiency Curve 100 98 96 f 94 i L 0 4 Output Power Figure A 1 Efficiency curve 18KW 990 5058A 001 Rev 02 A 5 This manual is for use by qualified personnel only Specifications Conext CL 25000NA Ennan Curve pam me rt 27 ft tt cM I ee a Output Power Figure A 2 Efficiency curve 25KW Derating Curves Conext CL 18000NA 300 VDC E 000 VDC Max Power w SESEREEEE Ambient Temperature C Figure A 3 Derating curve 18KW A 6 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Derating Curves Conext CL 25000NA Output Power vs Ambient Temperature E z 500 VDC o s 800 VDC x Ambient Temperature C Figure A 4 Derating curve 25KW 990 5058A 001 Rev 02 A 7 This manual is for use by qualified personnel only Specifications This manual is for use by qualified personnel only 990 5058A 001 Rev 02 Descriptions of LCD Information Appendix B describes the information that can
23. if it is within the operating limits and the problem persists contact Schneider Electric 2418 990 5058A 001 Rev 02 AC UV slow err The Grid Voltage is below the set limits Check the voltage if it is within the operating limits and the problem persists contact Schneider Electric AST This manual is for use by qualified personnel only Troubleshooting Table 4 1 Alert message descriptions Continued Event Code 2419 Definition AC OV slow err Description The Grid Voltage is above the set limits Check the voltage if it is within the operating limits and the problem persists contact Schneider Electric 2450 No Grid err Grid is not available 2460 AC OC err The current measured in any one phase is beyond the specified limits Restart the inverter If the event persists then contact schneider Electric customer service 2605 PV 1 OV err The voltage measured at PV1 input terminal is greater than the specified limit gt 950 V Check for PV configuration and voltage 2606 PV 2 OV err The voltage measured at the PV2 input terminal is greater than the specified limit gt 950 V Check for PV configuration and voltage 2616 PV insulation err The PV insulation measured between any PV input to earth is lesser than the specified limit Have a qualified installer to check for PV resistance 2624 4 8 PV12 OC err The curren
24. provided Refer to the Figure 2 31 on page 2 31 for the connector location 5 Unfasten the guide bush screw of the wiring box refer Figure 2 30 on page 2 31 for the screw location Ensure the inverter is free to lift from the wiring box Lift the inverter from the mounting bracket and keep it in a safe place 8 Close the wiring box cover Refer to the Figure 2 32 on page 2 32 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Firmware Upgrade process To decommission the Wiring box After de commissioning the inverter Remove the AC and DC wiring 2 Close the connector cover using the guide bushing Refer to the Figure 2 26 on page 2 29 for guide bushing location 3 Unfasten the four M8 screws Refer to the Figure 2 24 on page 2 28 for screw location 4 Remove the wiring box from the bracket and keep it in a safe place Firmware Upgrade process The below mentioned procedures should be performed only by a trained technician A A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION FIRE OR ARC FLASH A voltage of 1000 VDC and AC grid voltage will be present inside the wiring box Ensure to use all the necessary PPE Failure to follow these instructions will result in death or serious injury Note During firmware upgrade process ensure e not to disconnect the interface cables e no power interruption happens such interruptions cause unsuccessful firmware upgrade In Conext CL the firmwar
25. A Inter comm warn 1 Energy Lo 2631 PV voltage too low vent LO 7006 Sys Config Init Failure l g All Logs i DC 1D 00000000 00000000 6 olto By Event Logs Services 1 2 gt Service Details Active Services wee Intercomm warn m gt 7000 SET Inter comm warn te 710 SET Sys cfg init fit Event Logs Esc Service 7000 2015 02 09 03 12 40 SET Inter comm warn Ot le AC 1D 00000000 00000000 All Logs DC 1ID 00000000 00000000 By Event Logs Events 1 2 gt Event Details Active Services 10055 Login screen 10064 DSP Configuration comp 10063 DSP Configuration initat Event 10064 Service Logs Event Logs 2015 02 09 03 12 40 10012 DSP Power Up DSP Configuration completed DTO tjO All Logs 10013 DSP Power Down By Event Logs elie Log Details 10056 Logout screen eee Service 10056 Clive Services 10055 Login screen Logout screen Service Logs 7000 SET Inter comm warn 2015 02 09 03 12 40 10064 DSP Configuration Comp 10063 DSP Configuration initiat All Logs 10012 DSP Power Up Event Logs AC 1D 00000000 00000000 DC 1D 00000000 00000000 ate ate Nn Home 2 lt nverter nfo gt lt p info gt soor nro E Power Meter mSNo 205196 217 gt Ilol Energy Log p MFSA PVSCL25NA p W box FGA PVSCL1825NA1 00 By Event Log Commmission Da
26. Menu structure 1 3 9 Menu structure 2 3 10 Menu structure 3 3 171 Menu structure 4 3 12 Menu structure 5 3 13 Menu structure 6 3 13 Home page 3 14 Inverter Info 3 14 Loosening the louver cover right side 5 5 Loosening the louver cover left side 5 5 Removing the louver cover right side 5 6 Removing the louver cover left side 5 6 Fan location 5 7 Removing the fan 5 7 Removing the fan connector 5 8 Inserting the fan connector 5 8 Diagnostics menu 5 9 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Figures Figure 5 10 Communication interface with USB flash drive 5 12
27. Power Control OL O hlp Settings A Password Install Pg 1 2 Install Pg 2 2 General Settings USA O Revert to FPU Comm Settings Grid Settings Wiring Box 0 i 0 a SL E PV Insulation Multi Func Relay ustom DataLog a E Install Settings RCMU Enable 1 Enrg Offset kWh 0 0 Press OK to submit S Power Control A RPO Enable 0 RCD Offset mA 200 PV Insulation Grid Pg 1 5 PV Scan amp MPPT MPPT INPUTS DUAL MPPT 2 Vac Hi On V 300 0 MPPT INPUTS 2 DUAL MPPT 2 Resistance KO 200 ma Vac Hi Off T ms 160 PV Scan Rate SINGLE MPPT 1 Vac Lo Off V 139 0 Vac Lo On V 930 0 Scan Step size Vac Lo Off T ms 160 O O Y O Q Basic PVSCL1825NA100 Fault hk Select Wiring box Power Prod PVSCL1825NA200 Ext Load PVSCL1825NA201 PVSCL1825NA300 Temperature PVSCL1825NA301 All Faults v Figure 3 9 Menu structure 3 3 12 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Navigating the LCD Menus and Screens Install Pg 1 2 gt USA USA Country Setting Grid Setting Canada PV Insulation lt lt Mexico Offgrid NA RCMU Enable 1 t Save Changes Change Country No No Cancel B 2 Custom 1 5 gt lt Custom 2 5 gt lt Cust
28. RJ45 connections are used except either on the first or the last units in the network The end terminator plug for the first or last unit should be connected on the RJ45 connector as shown in Figure 2 47 A maximum of 32 inverters can be daisy chained Note Ensure to use a Modbus Terminator in one of the inverters connected in the network for proper communication For multiple inverter connection refer to the Figure 2 48 Logger F A A R Ea J Ethernet j AT 2 Switch Modbus TCP Ethernet FEET Modbus terminator Modbus Serial RS 485 Monitoring amp Control Ethernet Configuration amp Switch Commissioning a Service amp Maintenance Figure 2 48 Cluster 1 Modbus TCP and Cluster 2 Modbus RS485 connections 990 5058A 001 Rev 02 2 49 This manual is for use by qualified personnel only Installation and Configuration RPO and Dry contact relay connection A WARNING HAZARD OF SHOCK AND RISK OF EQUIPMENT DAMAGE e Do not connect circuits exceeding 28 VDC and 3 A to the dry contact output The use of a 3 A 32 VDC certified fuse is recommended Do not interchange the RPO and Dry Contact Enabling the RPO will not isolate the inverter from PV and grid sources It is required to de energize all the connected sources manually Failure to follow these instructions can result in death serious injury or equipment damage One set of dry contact relay and R
29. S No 205196_217 gt EE OMM BOOT Ver xxx een en COMM APPL Ver xx xx xx gt CO OOT Ver xx xx xx W box EGA PVSCL1825NA100 i CTRL DCAC Ver xx xx xx __ gt CTRL BOOT Ver xx xx xx aj TRL DCDC V XX Commission Date 2015 02 18 CDG P aiio Manufacture Date 2014 11 05 C lt C lt Figure 5 15 Inverter Info 8 Under Maintenance menu click Update Control SW 9 Click upload to start the firmware upgrade process On successful completion of firmware upgrade process the inverter will reboot 5 14 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Firmware Upgrade process Pushing Logs to USB device To save the Service Event Energy and Custom Data Logs to a USB storage device From the Maintenance menu select Push Logs to USB memory i Home A alp Settings Sij Diagnostics Password Maintenance _1 3 gt Clear Custom Data Logs is Clear Service Logs Press OK to Copy C aia Clear Event Log Copying Logs to ONO p All Logs to USB p gt USB Please Wait O Status Clear Energy Log Sy Press OK to submit RESET to FACTORY E8 Push Logs to USB memor o to i Copy Logs completed Please Remove USB Figure 5 16 Pushing logs to USB 990 5058A 001 Rev 02 5 15 This manual is for use by qualified personnel only Maintenance 5 16 This manual is f
30. USB Please Wait O Status Esc P Clear Energy Log q By Press OK to submit RESET to FACTORY ESC Push Logs to USB memor oj to f Copy Logs completed Please Remove USB Figure 3 13 Menu structure 7 3 15 This manual is for use by qualified personnel only Operation Oso Home hlp Settings 8 Diagnostics O Status ORE 2 CL A Password HEE Press OK to submit pe Home ble Settings 5j Diagnostics O Status 2 CII Home ble setings Ey Diagnostics O Status 2 CII Home ble Satinge Ey Diagnostics O Status a Home hlp Settings 8 Diagnostics O Status Home hlp Settings Ey Diagnostics O Status 2 CII ORE ORE ORE lt Maintenance Reboot System Update COMM BootLoader Update APPL SW from FTP Update APPL SW from USB Update CONTROL SW 2 3 gt pe Press OK to Reboot the System A After Pressing OK Please Esc A Password aA CIEE Vv Press OK to submit lt Maintenance 2 3 gt Reboot System Update COMM BootLoade Update APPL SW from FTP Update APPL SW from USB Update CONTROL SW Wait for 10 seconds a_i lt 4 Esc Pres
31. box Essential PVSCL1825NA200 Ref Description AC terminal block DC fuse holder MPPT shorting terminal block DC disconnect switch gI A OIN 3 Aiseig e Sooo 5 Figure 2 12 Wiring box Essential plus PVSCL1825NA201 Table 2 5 Wiring box Essential plus PVSCL1825NA201 Ref Description AC terminal block DC fuse holder MPPT shorting terminal block DC disconnect switch AFD Arc Fault Detector O O1 A O N 2 16 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Wiring Box Configurations org E ae EY eee H a ___ l APE Ae 3 B B005 0500 50004 Figure 2 13 Wiring box Optimum PVSCL1825NA300 Table 2 6 Wiring box Optimum PVSCL1825NA300 Ref Description 2 AC terminal block 3 DC fuse holder 4 MPPT shorting terminal block 5 T 8 DC disconnect switch DC SPD Surge protection device AC SPD Surge protection device 6 3 Hie ee O60 aaan con cobs So ee i Figure 2 14 Wiring box Optimum plus PVSCL1825NA301 990 5058A 001 Rev 02 2 17 This manual is for use by qualified personnel only Installation and Configuration Table 2 7 Wiring box Optimum plus PVSCL1825NA301 Ref Description AC terminal block DC Fuse holder MPPT shorting terminal block DC disconnect switch AFD Arc Fault Detector DC SPD Surge protection device 2 3 4 D 6 7 8 AC SPD Surge protection d
32. button LCD Previous screen Home Execute a ee menu item Navigation keys accept the Control panel changes go to next screen Green LED Green LED Red LED Grid status PV status Events Figure 3 1 LCD Control Panel 990 5058A 001 Rev 02 3 3 This manual is for use by qualified personnel only Operation LED Indicators 3 4 Table 3 1 LED indicators LED Description Event red ON an active service condition OFF no service condition Blink e Slow Blink Warning e Fast Blink RPO is open Note e Slow Blink one per second e Fast Blink five per second PV On green ON input PV voltage available OFF input PV voltage not available Fast Blink the unit is de rating due to PV side conditions AC On green ON the unit is connected to the grid and power is available OFF the unit is not connected to the grid or grid power is not present Blink e Slow Blink the unit is trying to reconnect to grid e Fast Blink the unit is de rating due to AC side conditions 990 5058A 001 Rev 02 This manual is for use by qualified personnel only LCD and Control Panel Table 3 2 Buttons below the LCD Button Result Go to the home screen ESC Go to the previous screen AN Go to the previous item in a main menu or to the previous screen in a series of screens V Go to the next item in a main menu or to the next screen in a series of screens Go to the previous submenu item
33. circulation behind the panels Note The Conext CL inverter reduces the energy output to protect its electronic circuits from overheating and to protect from possible damage under high heat conditions For maximum output under hot climate mount the inverter in a shaded location with good air flow e Partial shade The shading of even only a single module of the array reduces the output of the entire system For example the shadow caused by a utility wire or tree branch on a portion of the array s surface This reduces the total output though the output loss is not proportional to the shading The Conext CL inverter is designed to maximize its energy production in the above situation using its MPPT algorithm Other Factors Other factors that contribute to system losses are e Dust or dirt on the array e Fog or smog 990 5058A 001 Rev 02 5 3 This manual is for use by qualified personnel only Maintenance Mismatched PV array modules with slight inconsistences in performance from one module to another Wire losses Utility grid voltage For additional information and technical notes concerning PV array performance refer to solar schneider electric com Performing General Maintenance Follow these simple routines to ensure long years of service and optimal performance of the inverter Keep the unit away from dust and debris Clean the PV array under non illuminated conditions whenever it is visibly dirty Periodically
34. for Base model Arc Fault Detection The Conext CL has an external arc fault detection unit integrated in the wiring box as shown in Figure 2 55 The AFD unit is powered internally from the inverter The digital output from the AFD unit is connected to the communication interface In the event of an Arc fault in the PV system the AFD detects the Arc Fault the inverter will stop producing output power and AC output relay will be opened The arc fault status is stored in the memory and will remain active until reset manually by an operator Every time the Inverter starts a self test happens At any time of operation the user can initiate an AFD self test via LCD to check the healthiness of the AFD device For more details refer AFD Fault on page 5 10 Home Status AFCI Self Test Status A A O Inverter info Temperature a AFCI Self Test in SPD Stat ble Settings lt _ lt atus G progress AFCI Stat S Diagnostics Esc M Esc oc v Figure 2 54 AFCI menu structure A tripped AFD can be reset only manually Note In accordance with NEC Article 690 11 the inverter has a Type 1 photovoltaic AFD The AFD is an optional feature For more details refer to the Wiring Box Configurations on page 2 14 990 5058A 001 Rev 02 2 53 This manual is for use by qualified personnel only Installation and Configuration
35. inspect the system to make sure that all the wiring and supports are securely in place Maintain a log of system performance readings so that you can recognize when the performance becomes inconsistent Semi Annual Maintenance Have qualified personnel as defined on page iii perform the following semi annual maintenance 1 5 4 Visually inspect all the conductors and connectors at the bottom of the inverter for signs of corrosion or overheating Check that all the connectors screws and cables are connected properly and are tightened to the proper torque specified in this manual If there are any defective parts contact Schneider Electric Clean the louver cover and fans a Loosen the two screws of the louver cover one screw at each of the corners of the cover as shown by the arrows in Figure 5 1 on page 5 5 and Figure 5 2 on page 5 5 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Semi Annual Maintenance g ff fas ZG f iff Bo 2 4 gt fi ag OT m 4 Figure 5 1 Loosening the louver cover right side Figure 5 2 Loosening the louver cover left side 990 5058A 001 Rev 02 5 5 This manual is for use by qualified personnel only Maintenance b Remove the louver cover as shown in the figure below Slide up the louver cover ii Pull out the louver cover SS d Say Na S
36. record information about the inverter package Save this manual for easy access during the installation maintenance and trouble shooting of the inverter You can find more information about Schneider Electric Solar as well as its products and services at solar schneider electric com The following conventions are used in this guide A A DANGER DANGER indicates an imminently hazardous situation which if not avoided will result in death or serious injury A WARNING WARNING indicates a potentially hazardous situation which if not avoided can result in death or serious injury 990 5058A 001 Rev 02 This manual is for use by qualified personnel only About This Manual A CAUTION CAUTION indicates a potentially hazardous situation which if not avoided can result in moderate or minor injury NOTICE NOTICE indicates a potentially hazardous situation which if not avoided can result in equipment damage Product Names This manual includes information for two products Conext CL 18000NA and Conext CL 25000NA photovoltaic three phase transformerless grid tie inverters each with five models of the wiring box The following table lists the naming conventions used to differentiate information that only applies to one of the two inverters For information common to all products inverter is used Product Name Usage Conext CL 18000NA The information provided is specific to the 18 KVA Conext CL photovolta
37. refer the label affixed on the product 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Planning for Installation Planning for Installation Installation Overview Installation Options Installation Codes Planning Location 990 5058A 001 Rev 02 A A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION FIRE OR ARC FLASH The Conext CL inverter must be installed and serviced only by qualified personnel equipped with appropriate personal protective equipment and following safe electrical work practice and all applicable code requirements Failure to follow these instructions will result in death or serious injury NOTICE RISK OF EQUIPMENT DAMAGE In the Base model string fuse protection and DC disconnect switch are not available Ensure that suitable external protection is installed as per local installation standards Failure to follow these instructions can result in equipment damage The Conext CL inverter can be installed as a single inverter with a maximum of four PV strings connected to each MPPT In the Base model wiring box when more than two strings are connected to each MPPT the use of a suitably rated external fuse is recommended The inverter can also be installed in a multiple inverter system If multiple inverters are used each of the inverter must be wired to an independent set of PV array To enable communication between the Conext CL inverters network cabling must be installed t
38. remote power off terminals potential free contact can be used to turn off the inverter from a far distance with in the site By default the RPO option Is disabled This feature is operational only when the inverter is online and the RPO enable option is configured The RPO terminals should be connected to a switch which has a normally closed NC contact The inverter can be turned off by opening the contact The maximum permissible distance for RPO switch from the inverter location should be limited to 30 m The recommended wire size for RPO switch wiring is 22 AWG 2 wires e he inverter will not turn ON if the RPO terminals are not wired properly Normally Closed NC configuration and the RPO enable option is configured from the LCD Settings menu Home gt Settings gt Install Settings e Ensure that there is no break in the RPO terminals Figure 2 51 RPO connection with shorting link 990 5058A 001 Rev 02 2 51 This manual is for use by qualified personnel only Installation and Configuration Normally Closed Contact NC External Switch RELAY RPO Figure 2 52 RPO connection for single inverter The connection diagram for RPO with multiple inverters is as shown below Inverter 1 Inverter 2 Inverter 3 Inverter n External
39. use by qualified personnel only Semi Annual Maintenance Home A O Inverter info Fan Contl lp Settings Fan status 5j Diagnostics Diagnostics O Status Y Figure 5 9 Diagnostics menu SPD Replacement If any of the SPDs reach End of Life there will be a warning message active on the display In the event of SPD open fault follow the procedure below e Disconnect the DC and AC power to the wiring box through appropriate external means e Open the wiring box e Inspect the PV and AC wiring and rectify any short circuit or other faults on the inout and output PV array circuits e Observe the inspection window provided in the SPD cartridge e Ared color in the cartridge indicates that the SPD is damaged e Replace the damaged SPD cartridge with a new working cartridge e Clear the SPD protection open event on the display e Close the wiring box The above mentioned procedures should be performed only by a trained technician Fuse Replacement In the event of a short circuit in any of the PV string the inverter will display Low PV1 input voltage or Low PV2 input voltage event message and there could be a possibility of string fuse failure A A DANGER HAZARD OF ELECTRIC SHOCK FIRE AND EQUIPMENT DAMAGE e Do not attempt to replace the fuse without rectifying the PV array short circuit fault failing to which there can be a risk of arc e
40. utility and equipment owner e Before servicing test the inverter using a meter rated at least 1000 VDC and 600 VAC to make sure all the circuits are de energized xX 990 5058A 001 Rev 02 This manual is for use by qualified personnel only 990 5058A 001 Rev 02 Safety e Do not use the Conext CL inverter in connection with life support systems medical equipment or where human life or medical property could be at stake e Use the inverter only in grid interconnected PV systems The inverter does not support off grid stand alone power backup function e A person with pacemaker must avoid coming in the close proximity of the inverter e n outdoor installations do not open the wiring box cover when humidity is higher gt 95 during snow fall rain fall or during any other adverse environmental conditions e Do not install the inverter in a zero clearance or in unventilated compartments e The Conext CL must be used only in countries specified by Schneider Electric contact Schneider Electric for the latest list of approved countries e Ensure to operate all the components within the permitted range e Do not attempt to modity replace remove the components and protective barriers that are not supplied with the package unless otherwise specified in this manual e Do not use grounded PV modules with Conext CL inverters The term qualified personnel is defined on page iii of this manual Personnel must be equipped
41. 485 connectors 2 45 Ethernet Connection 2 46 Daisy chain configuration 2 46 RS485 wiring with multiple inverters 2 47 RPO and Relay Contact terminal details 2 47 Dry Contact Relay connection 2 48 RPO connection with shorting link 2 49 RPO connection with single inverter 2 49 RPO connection for multiple inverter 2 49 AFCI menu structure 2 50 Arc Fault Detection and Surge Protection device wiring 2 51 Web interface connection diagram 2 52 Web interface dashboard screen 2 52 LCD Control Panel 3 3 Progress bar 3 5 First time power up screen 3 6 General Settings screenl 3 7 General Settings screen 2 3 7 Quick view 3 8
42. 5058A 001 Rev 02 This manual is for use by qualified personnel only Operation Logs You can view the event logs and energy logs through the Home page screen as shown in Figure 3 8 on page 3 11 Event Log The event log shows a maximum of 10 most recent events The most recent event is shown at the top of the list There are four submenus under Event Log Active Services All Logs service Logs Event Logs e Active Services show the list of events that have occurred most recently and are not cleared e All Logs show both services and events as per the sequence of occurrence e Service Logs show all the events or warnings that have occurred during any abnormal operating condition e Event Logs show the list of all events Use the scroll button to navigate through the list of events To know more details about an event select the event and then press the OK button Energy Log The Energy Log menu shows the power generation over the Current or last year Previous and current month Previous and current week Yesterday s and today s energy Energy summary Use the scroll button to navigate through the list of submenus To view the energy produced over a specific period of time select the appropriate energy log menu and then press the OK button 990 5058A 001 Rev 02 This manual is for use by qualified personnel only 990 5058A 001 Rev 02 Troubleshooting Chapter 4 Troubleshooting describes the event and ser
43. 564 xcg6cl 990 5058A 001 Rev 02 2 23 This manual is for use by qualified personnel only Installation and Configuration The installation details for U clamp with the inverter and wiring box mounting bracket are as shown below The U clamp grips the entire circumference of the pole for a secure hold It has two locking nuts additional hex nuts can be added The Conext CL inverter is tested with McMaster U clamps for a pole size of 6 diameter Pole ig 3x U clamp __ gt Je Figure 2 20 Rear view of the pole mounting installation 2 24 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Mounting Lifting handle Lifting handle Wiring box mounting screw Figure 2 22 Inverter and Wiring box Exploded view 990 5058A 001 Rev 02 2 25 This manual is for use by qualified personnel only Installation and Configuration Mounting the Wiring box and Inverter To mount the wiring box 1 Align the locating pins of the wiring box to the mounting slots on the lower mounting bracket Refer to the Figure 2 23 on page 2 27 slide down the wiring box to stay on the mounting bracket secure the wiring box in place and tighten using the four M8 screws firmly as shown in Figure 2 24 on page 2 28 Refer to the Table 2 8 Torque table
44. 600mm 600mm Cel 36in z E a 2 l l l l l l I I l l l l l l l l lt _ __ M l l l l l l l l l l l l I l l l l Figure 2 8 Proper installation distances of the inverter For side by side inverter installations maintain a minimum distance of 23 6 in 600 mm between the inverters to minimize the possibility of power derating This manual is for use by qualified personnel only 990 5058A 001 Rev 02 Dimensions Dimensions The dimensions of the inverter are as shown in Figure 2 9 26 5in i 674mm A lo o 4 4 A cE me 0 2 AE le N 5 E o cS A BIN 2 9in Sclypider Y Lc Sein 7 le z o 1 8in_ a 2 6in 45 7mm 91 4mm 66mm 1 Bin A4in_ 2 7in 10 5in 45 7mm 35 5mm 68 5mm 266mm E a g E clo g amp E tt 8iN 11in SAO se 45 7mm 279 4mm ree 2 8in 109 2mm abin e 226mm m i569 3x3 1 9 3 vz 3x80mm 240mm _ Figure 2 9 Views and dimensions of the inverter and the wiring box 990 5058A 001 Rev 02 2 13 This manual is for use by qualified personnel only Installation and Configuration Wiring Box Configurations There are five models of the wirin
45. A k Ci Home fol Energy Log Total 43 5 kWh Total 12345 kWh Total 12345 kWh Total 123456 kWh 7 Days D gt Quick View 0K Today Energy 43 5 kWh ain wn O monn year gt a ee kWh SS K gt Power Meter gt Today Runtime 8 2 Hrs 15 r 5 1 15 lol Energy Log Life Energy 29200 kwit 1 lt r 100 P 50 sa ESC Lite Runtime 3651 Hrs amp 0 O WM D a Event Log 6 12 18 hr ons 16 24 day 3 6 9mth J4 gt lt v gt lt a 2 ic gt lt v gt Total 63 5 KWh Total 12345 kWh Total 12345 kWh Total 123456 kWh Yesterday Prev 7 Days lt Prev month gt Year gt Year lt Prev year gt kWh kWh kWh kWh gt 15 gt 55 15 15 i0 10 40 lt lt io D D 0 o3 7d 0 8 16 24 d 03 6 9mth 6 12 18hr lt v gt lt Aa gt lt v gt lt v gt Figure 3 7 Menu structure 1 3 10 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Navigating the LCD Menus and Screens A Home 2 50 PM By Event Logs Active Svc 1 2 gt Service Details 7000 Inter comm warn Service 7000 HP rs Local Copy Config failure 2015 02 09 03 12 40 Quick View gt Power Meter Service Logs maf 2018 Int IC fault I lt q_ Merna somm tau
46. AMAGE Do not use compressed air for cleaning the fan as this may damage the blades of the fan Failure to follow these instructions can result in equipment damage Figure 5 7 Removing the fan connector Figure 5 8 Inserting the fan connector 4 Insert the fan connectors back as shown in Figure 5 8 Make sure that the connector clicks in place Note Ensure to connect all the fan connectors back in position 5 Mount the fans back at proper location refer Figure 5 5 6 Insert the louver covers back and ensure that the louver covers are secured properly in place refer Figure 5 3 and Figure 5 4 7 Check for proper working of fans using the Diagnostics menu as shown in Figure 5 9 5 8 990 5058A 001 Rev 02 This manual is for
47. Conext CL Three Phase Grid Tie Inverters Conext CL 18000NA Conext CL 25000NA Installation and Operation Manual Schneider solar schneider electric com Ef ec t ric Conext CL Three Phase Grid Tie Inverters Conext CL 18000NA Conext CL 25000NA Installation and Operation Manual Schneider solar schneider electric com Ef ectric Copyright 2015 Schneider Electric All Rights Reserved All trademarks are owned by Schneider Electric Industries SAS or its affiliated companies Exclusion for Documentation Unless specifically agreed to in writing seller a makes no warranty as to the accuracy sufficiency or suitability of any technical or other information provided in its manuals or other documentation b assumes no responsibility or liability for losses damages costs or expenses whether special direct indirect consequential or incidental which might arise out of the use of such information The use of any such information will be entirely at the user s risk and C reminds you that if this manual is in any language other than English although steps have been taken to maintain the accuracy of the translation the accuracy cannot be guaranteed Approved content is contained with the English language version which is posted at solar schneider electric com Date and Revision May 2015 Rev 02 Part Number 990 5058A 001 Contact Information solar schneider electric com For other country details plea
48. Mins 15 O Esc Clear Energy Log Update APPL SW from USB Low Pow Cir Lim4 Mins 20 Maintenance i 8 Press OK to submit RESET to FACTORY jae ONIRE SW APS Beatie l Push Logs to USB memory Update BootLoader SW APS Max Count 1 v Note It is not required to enter the password for each subsequent entry but will be prompted for an entry after an idle time of five minutes Figure 3 12 Menu structure 6 3 14 990 5058A 001 Rev 02 This manual is for use by qualified personnel only 990 5058A 001 Rev 02 Navigating the LCD Menus and Screens a il g O g Home Settings Diagnostics Status Maintenance OHO A Password WAC Press OK to submit 1 3 gt Clear Custom Data Logs Clear Service Logs gt Clear Event Log Clear Energy Log RESET to FACTORY Push Logs to USB memory Maintenance C9 Press OK to Clear pe j Data Logs Clearing Data Logs Please Wait Sita fo Chale D Password WAE Press OK to submit Maintenance 1 3 gt Clear Custom Data Logs Clear Service Logs Clear Event Log Clear Energy Log RESET to FACTORY Push Logs to USB memory Press OK to Clear Service Logs Clearing Service Logs Please Wait ORE Home ble Settings EN Diagnostics Status dD Cir or to a Home dle Settings
49. NE TOTAL 929 kg i ToTAL 45 18 Hrs TODAY 67 kg 4 topay 6 48 Hrs 3t ONLINE PV TOTAL 9889 W POWER 10 0 KW PV 1 4 9 KW PV 2 4 9 KW ConextCL Sn 2X1419018749 FREQUENCY 50 0 Hz Figure 5 12 Web page dashboard screen 3 Click on the Settings icon E The below screen appears KL Soine ConextCL Setup Basic Setup Modbus Communications TCP IP Time and Zone 3 setup Q Advanced Network Time SNTP Web Grid Type FTP lt Pwr Ctri E Mail amp Upload ee Multi Function Relay Display do amp amp Z General Figure 5 13 Web page upload screen 990 5058A 001 Rev 02 5 13 This manual is for use by qualified personnel only Maintenance 4 Select the Upload option displayed on the left hand side of the screen M 3 Schneider ConextCL Setup Firmware Uploads File Uploads To ConextCL Filg Click to select Upload 3 setup File upload progress 0 File upload status Not started C Advanced Grid Type E Pwr Ctri Figure 5 14 Web page firmware upgrade screen 5 Click on the Click to select field and navigate to the firmware file in the personal computer Select the file 7 Under Inverter Info menu verify the firmware version number in the display with the latest firmware version number If it matches perform step 9 or else step 8 inverter Info gt lt APPL Info gt lt BOOT Info gt Inv
50. OK to submit Energy Offset KWh 0 RCD Offset mA 125 0 Power Control RPO Enable 0 PV Scan amp MPPT MPPT INPUTS 2 DUAL MPP _ So PV Scan Rate Scan Step Size Figure 2 36 MPPT settings through Install settings menu 990 5058A 001 Rev 02 2 37 This manual is for use by qualified personnel only Installation and Configuration DC Wiring From PV Array DC Wiring Polarity DC wiring The Conext CL inverter has in built reverse polarity protection of PV provided by a diode The inverter will display error message for any reverse polarity wiring at the DC input When the array is shorted there will be no DC voltage on the MPPT input and the PV generator will be in short circuit condition NOTICE RISK OF EQUIPMENT DAMAGE Ensure that correct polarity is used at all the power connections Do not ground either the or the conductor of the PV array Avoid reverse polarity If one of the string polarity is reversed in parallel with other strings it will cause 2000 VDC across the inverter input Ensure proper termination and avoid poor connection Failure to follow these instructions can result in equipment damage Before connecting the wires to the wiring box ensure that the DC disconnect switch is in the OFF position The provision for conduit entries are provided at the bottom and at the left side of the wiring box Select the appropriate conduit entry as per the location convenience
51. PO connectors are provided along with the wiring box packaging Relay Normally Open NO Remote Power Off Terminal 1 Remote Power Off Terminal 2 e Relay Common RELAY RPO Figure 2 49 RPO and Relay Contact terminal details Dry Contact Relay 2 50 When the inverter is operating under normal conditions the dry contact is open The display keypad can be used to configure the relay to operate when events occur The configurable events are e Relay enabled on any inverter event e Relay enabled on any one of user set inverter event Max of three event code e Relay enabled on inverter temperature set limit e Relay enabled based on inverter power level set limit e Relay enabled based on inverter status online offline Refer to the Figure 2 50 for typical connection A maximum of 28 VDC supply can be connected in series with the relay terminals It is also recommended to use a wire size of 18 AWG for relay wiring and a suitable external fuse lt 3 A for additional protection 990 5058A 001 Rev 02 This manual is for use by qualified personnel only RPO and Dry contact relay connection Actuator ql Fuse N 28 VDC RELAY RPO Figure 2 50 Dry Contact Relay connection Remote Power Off The
52. Table 2 10 Color coding to identity the phase sequence phase rotation 2 39 Table 2 11 AC cable loss details copper 2 41 Table 2 12 AC cable loss details aluminium 2 41 Table 2 13 RJ 45 pin details 2 45 Table 2 14 Data format for the R5485 connection 2 45 Table 2 15 Internal Data Logger specifications 2 53 Table 3 1 LED indicators 3 3 Table 3 2 Buttons below the LCD 3 4 Table 4 1 Alert message descriptions 4 2 Table A 1 System specifications A 2 Table B 1 LCD texts B 2 990 5058A 001 Rev 02 xxiii This manual is for use by qualified personnel only Tables XXIV 990 5058A 001 Rev 02 This manual is for use by qualified personnel only 990 5058A 001 Rev 02 Introduction Chapter 1 Introduction provides information about Conext CL18000NA and Conext CL 25000NA three phase grid tie inverters This manual is for use by qualified personnel only Introduction Description of the Conext Grid Tie Solar Inverter The Conext CL Inv
53. This manual is for use by qualified personnel only Troubleshooting Table 4 1 Alert message descriptions Continued Event Code Definition 9000 DC internal err Description An Internal Error is detected by the processor due to the following conditions e The PV current measured exceeds the rating of the unit e The DC bus voltage is greater than the trip value e The top or bottom DC bus voltage is greater than the trip value e The voltage difference between top and bottom DC bus voltage is greater than the set value e The DC bus voltage is lesser than the set value e The DC voltage sensor fails to measure the DC BUS voltage e The ADC reference is not within the tolerance of 1 5V e The auxiliary power supply output is out of range If the event persists contact schneider Electric customer service with the display details Warning 2633 PV1 OC wrn 2634 PV2 OC wrn 4003 Replace fan PV1 Over current detected hence the power output from PV 1 is stopped If the event persists contact schneider Electric customer Service PV2 Over current detected hence the power output from PV2 is stopped If the event persists contact schneider Electric customer Service Fault or FAN EOL detected and needs FAN replacement Contact Schneider Electric customer service 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Messages Table 4 1 Alert message de
54. Turn Off the DC and AC breaker before opening the wiring box cover Failure to follow these instructions will result in death or serious injury 990 5058A 001 Rev 02 5 9 This manual is for use by qualified personnel only Maintenance AFD Fault To replace the fuse Turn off the DC disconnect and AC breaker Open the wiring box cover Inspect the PV circuit and rectify if there are any faults Replace the faulty fuse with a new one Ol ee Oe IN a Close the cover Recommended Fuse Part number PV1510F Make Cooper Bussman Rating 1000 VDC 15 A If the inverter is tripped due to AFD fault and the display message shows Arc Fault follow the procedure below to restore the inverter operation The inverter will not start until the AFD fault is manually reset The below mentioned procedures should be performed only by a trained technician Ensure that there is no physical damage observed in the DC input wiring Disconnect the AC external and DC breaker Rectify the cause of the Arc Fault event Turn ON the AC and DC breaker Acknowledge the AFD Fault in the LCD display Sl ee Sh The inverter will resume operation De commissioning 5 10 To decommission the inverter 1 Turn Off the AC and DC breaker 2 Open the wiring box cover as shown in Figure 2 25 on page 2 28 3 Remove all the communication interface connections 4 Unlock the inverter and wiring box power connectors using the thumb screw
55. UIPMENT DAMAGE e Ensure that L1 L2 L3 line connections are done correctly not swapped with neutral connections e The Conext CL inverter supports TN S TN C TN C S and TT connection types earthing systems It does not support IT connections Failure to follow these instructions can result in equipment damage AC Wiring This section describes how to connect the inverter to the AC grid All the electrical installations must be carried out in accordance with the applicable local standards The installer should ensure that the DC input and AC output circuits are isolated from the enclosure and the system grounding The connection requirements of the grid operator must also be met The line voltage must be within the permissible range Refer to the System Specifications on page A 2 Cable requirements e Cable type solid or stranded copper wire e Cross section 10 AWG to 4 AWG e The AC cables must be approved for temperatures over 194 F 90 C e The maximum cable length subject to conductor cross section must be observed e The AC cables must be sized in accordance with the installation requirements Installing the Wire Stripped solid conductors or stranded conductors with ferrules are easily connected by simply pushing the conductor into the wire entry For conductors rated 20 AWG 0 5 mm to 6 AWG 16 mm stranded conductors can also be easily inserted without using any tools 990 5058A 001 Rev 02 2 39 This manu
56. W x D Wiring Box shipping in mm 157 48 x 314 96 x 236 22 4000 x 8000 x 6000 dimensions H x W x D Ambient air temperature FCG 13 to 140 25 to 60 for operation Operating altitude m ft 2000 6560 Relative humidity up to 100 condensing Noise emission at 1m dBA 58 distance Features and Options Remote reset Yes Storage temperature 40 F to 140 F 40 C to 60 C User Interface Graphic display button Communication Interface RS485 MODBUS RTU Ethernet MODBUS TCP Ethernet USB and Dry Contact Monitoring sunspec Alliance profile SPD and Arc Fault Detection AFD monitoring available with device Regulatory approvals Certifications UL 1741 IEEE 1547 2003 IEEE 1547 1 2005 UL 1998 2013 CSA C22 2 107 1 0 FCC Class A compliant Available product variants Base AC connector and PVSCL18NA100 PVSCL25NA100 DC connector Essential Touch safe fuse PVSCL18NA200 PVSCL25NA200 holder DC switch and AC connector Essential plus Essential PVSCL18NA201 PVSCL25NA201 AFD Optimum Essential DC PVSCL18NA300 PVSCL25NA300 SPD and AC SPD Optimum plus Optimum PVSCL18NA301 PVSCL25NA301 AFD 990 5058A 001 Rev 02 This manual is for use by qualified personnel only RCMU RCMU The Conext CL transformerless inverters have an integrated electronic RCMU This trips if the constant leakage exceeds 300 mA or suddenly occurring residual currents of 30 mA
57. When the product is no longer usable the consumer is legally obligated to ensure that it is collected separately under the local electronics recycling and treatment scheme Do not dispose of this product with general household waste Electric appliances marked with the symbol shown must be professionally treated to recover reuse and recycle materials in ee vill 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Important Safety Instructions READ AND SAVE THESE INSTRUCTIONS DO NOT DISCARD This manual contains important safety instructions that must be followed during the installation and maintenance of the Conext CL18000NA and Conext CL 25000NA three phase transformerless grid tie inverters Read and keep this manual for future reference Read these instructions carefully and look at the equipment to become familiar with the device before trying to install operate service or maintain it The following special messages may appear throughout this bulletin or on the equipment to warn of potential hazards or to call attention to information that Clarifies or simplifies a procedure This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death The addition of this symbol either to a Danger or Warning safety label indicates that an electrical hazard exists which will result in pe
58. _ Ambient 30 00 DC Module 1 00 00 O Inverter info ble Settings 8 Diagnostics o c ajte Home p gt Ambient 30 00 SPD Status lt _ Ambient Temp 00 00 AFCI Status Esc AC Module A 00 00 AFCI Self Test AC Module B 00 00 AC Module C 00 00 DC Module 2 00 00 Otje OO Staus SPD Status SPD AC 0 Temperature ie SPD Status SPDPV1 0 AFCI Status Esc SPD PV 2 0 AFCI Self Test O Inverter info ble Settings 8 Diagnostics o cm Fo ate Home Status AFCI Status a Temperature gt ARC Fault 0 Invert f wen F spo status lt ble Settings t Diagnostics C Esc o Gs AFCI Self Test olto I Home Status AFCI Self Test Test Status Pass AFCI Self Test in Progress y g Please Wait Start AFCI Self Test Eme mm Inverter info Temperature dle Settings a SPD Status AFCI Status AFCI Self Test Orie 8 Diagnostics o GI oj to Home A Password Maintenance 1 3 gt lt Maintenance 2 3 gt lt Maintenance 3 3 ax E Clear Custom Data Logs Q ee qT Settings Dear Senan kais Reeboot System Low Pow ClrLim1 Mins 5 8 Diagnostics gt EE i g gt Low Pow Cir Lim2 Mins 10 Am _ P ay Update APPL SW fi FTP Status C L a EEN e Eee id Low Pow Clr Lim3
59. akes and outlets Failure to follow these instructions can result in equipment damage Improper Usage It is recommended not to install the Conext CL inverter under the following conditions e Environment with flammable conditions e Usage of substandard safety devices along with the equipment e Installation of the inverter in conjunction with other equipment which is not recommended in this user manual or not meant for this application e Installation or handling the inverter without proper understanding of the procedure specified in this manual e Improper installation clearance between adjacent inverters 990 5058A 001 Rev 02 2 9 This manual is for use by qualified personnel only Installation and Configuration e In corrosive environments including but not limited to acidic rain and chemical plants A A DANGER HAZARD OF CRUSH OR STRAIN Follow the correct procedures when lifting moving or mounting the inverter Failure to follow these instructions will result in death or serious injury NOTICE RISK OF EQUIPMENT DAMAGE When removing the inverter place it on cardboard to prevent cosmetic damage to the back surface Failure to follow these instructions can result in equipment damage Correct Mounting Position NOTICE RISK OF EQUIPMENT DAMAGE Mount the inverter only upright or at an angle of 10 degrees with reference to a ground plane plastic louvers facing downward and only on a flat surface
60. al is for use by qualified personnel only Installation and Configuration P H a EE a i S000 0000 G08 o 30 BEO5 0000 5o004 E E cese imj de eenee j NS rect ZIN JO E E a L3 L2 L1 00000 Figure 2 37 Wire installation For wires with smaller cross section use a a small flat screwdriver 1 4 wide to connect stranded conductors without ferrules Refer to the figure below Figure 2 38 Wire installation 2 2 40 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Planning and Wiring AC 3 phase mains branch Neutral N Line 3 L3 oe we ie 2 L2 To inverter AC Terminal Block i Line 1 L1 Ground PE G L1 L2 L3 N Figure 2 39 AC connection details Table 2 10 Color coding to identify the phase sequence phase rotation Component of AC wiring Color Line 1 phase 1 Black Line 2 phase 2 Red Line 3 phase 3 Blue Neutral White Protective earth ground Green NOTICE RISK OF EQUIPMENT DAMAGE The inverter supports positive and negative phase sequences The sequence of L1 L3 can be reversed N and PE are not bonded together and must be connected to the correct pins regardless of the phase sequence Failure to follow these instructions can result in equipment damage B 100mm a 20mm lt Figure 2 40 AC wiring 990 5058A 001 Rev 02 O20 This manual is for use by qualified personnel o
61. alues 5 Lock the inverter and the wiring box power connectors using the thumb screw provided as shown in Figure 2 31 on page 2 31 2 26 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Mounting Note Ensure to use the correct torque values refer to the Table 2 8 on page 2 18 A A DANGER HAZARD OF ELECTRIC SHOCK FIRE AND EQUIPMENT DAMAGE Ensure to tighten the power connector between the inverter and the wiring box and avoid poor electrical contact Failure to follow these instructions will result in death or serious injury 6 Complete the DC AC equipment ground connection and Communication Interface connections as described in the following sections Refer to the page 2 32 7 Close the front cover as shown in Figure 2 32 on page 2 32 Ensure that the front cover is fastened correctly as per the specified torque value For torque values refer to the Table 2 8 Torque table on page 2 18 8 Peel off the adhesive backing and fix the silicone layer provided along with the packaging on the LCD panel as shown in Figure 2 33 on page 2 32 Note e Clean the surface of the LCD panel before affixing the silicone layer e The clarity of the display might be reduced after fixing the label Figure 2 23 Mounting the wiring box on the bracket 990 5058A 001 Rev 02 2 21 This manual is for use by qualified personnel only Installation and Configuration
62. anual is for use by qualified personnel only Installation and Configuration 2 4 oO Schneider mm ES Electric Conext CL 18000NA 25000NA a eee Wiring Box Base Model Configuration Enclosure Type Type 4 Part Number PVSCL1825NA100 Part number Made In India 885 8953 Figure 2 2 Nameplate label Wiring box Note Technical data in this manual is subject to change Always refer the label affixed on the product Wiring box SKU Order Code Configuration PVSCL1825NA100 Base PVSCL1825NA200 Essential PVSCL1825NA201 Essential plus PVSCL1825NA300 Optimum PVSCL1825NA301 Optimum plus Refer wiring box name plate for the correct part number ordered 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Package Inspection Inverter Scope of delivery rs a SE g Figure 2 3 Packing list Inverter Table 2 2 Packing list Inverter Item Description Quantity A Inverter 1 Inverter mounting bracket 1 C Routine test report 1 Packaging label PVSCL25NA x1 Three Phase Photovoltaic Inverter Made in India 25 Dreiphasen Photovoltaik Wechselrichter Onduleur Photovolta que Trois PVSCL25NA 070375 Conext CL 25000 NA 500 800 VDC 277 480 VAC 60 Hz 3606480703751 Schneider Electric Figure 2 4 Inver
63. ature of the inverter Displays the internal Module B heatsink temperature of the inverter Displays the internal Module C heatsink temperature of the inverter Home gt Status gt SPD Status Displays the SPD status based on the wiring box selection Displays the AC side SPD Surge protection Devices monitoring status Displays the PV1 or DC1 side SPD monitoring status Displays the PV2 or DC2 side SPD monitoring status Home gt Status gt AFCI Status Displays the AFCI depends on the wiring box selection Displays the status of Arc fault detected by the AFD module Home gt Diagnostics Displays the Diagnostics menu Home gt Diagnostics gt Fan Control gt Fan Test Displays the status of the Fan operation To switch on off the inverter fan Turns off the Fan All the three fans turn Off Turns On the Fan All the three fans turn On To set the fan in automatic control unit temperature dependant All three fans in automatic control B 7 This manual is for use by qualified personnel only Descriptions of LCD Information B 8 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Information About Your System As soon as you open your Conext CL series photovoltaic grid tie inverter package record the following information and be sure to keep your proof of purchase e Serial Number e Part Number e Purchased From e Purchase Date 990 5058A 001 Rev 02 This manual f
64. ays the total DC input power screen and total AC output power screen Power in kilo watts Voltage in volts Current in Ampere PV channel 1 DC input power PV channel 1 DC input voltage PV channel 1 DC input current 990 5058A 001 Rev 02 This manual is for use by qualified personnel only 990 5058A 001 Rev 02 LCD text PV2 P kW PV2 V V PV2 I A L1 P kW L1 V v L1 I A L2 P kW L2 V v L2 1 A L3 P kW L3 V v L3 I A Energy Log Today Energy Today Runtime Life Energy Life Runtime Today Yesterday Month Last Month Year Last year Description of Information Displayed on the LCD Table B 1 LCD texts Continued Description PV channel 2 DC input power PV channel 2 DC input voltage PV channel 2 DC input current 3 phase Phase A AC output power 3 phase Phase A AC output voltage 3 phase Phase A AC output current 3 phase Phase B AC output power 3 phase Phase B AC output voltage 3 phase Phase B AC output current 3 phase Phase C AC output power 3 phase Phase C AC output voltage 3 phase Phase C AC output current Home gt Energy Log Displays e The Energy production information in KWH kilo Watt Hour for today and life time e The inverter online time for today and life time in Hr hours Total power or electricity generated today from the inverter Total operation time of the inverter with energy produced Total electricity generated by unit Total o
65. be displayed on the LCD of the inverter 990 5058A 001 Rev 02 B 1 This manual is for use by qualified personnel only Descriptions of LCD Information Description of Information Displayed on the LCD Table B 1 LCD texts LCD text Home Quick View Power Meter Energy Log Event Log Inverter Info Settings Diagnostics Status Password Power Meter P kW V v A PV1 P kW PV1 V V PV1 I A Table B 1 describes text that is displayed on the LCD For a description of error messages see Table 4 1 on page 4 2 Description Main screen on the LCD Displays the inverter status online offline and reconnecting PV is Up No PV Fault or No Fault and Today s Energy Production along with graph Displays the DC input power and AC output power menus Displays the summary of energy of days week month and year Displays the services errors warnings and events occurred inside the inverter Displays the inverter information such as serial number FGA number wiring box and firmware version Displays the General Settings Comm Settings Install Settings and Power Control menus Displays the Fan Control amp Fan Status Displays the Temperature SPD Status AFCI status menus Enter the password for authentication wherever It is applicable such as the Grid code Country selection Install settings Power control Advanced temperature status and so on Home gt Power Meter Displ
66. ble itung Nan NDN AC output side entry Communication cable AC output bottom DC disconnect switch Figure 1 3 Location of physical features of the inverter and the wiring box right side view LCD Display Earthing terminal Lifting handle PV input side entry PV input bottom entry Figure 1 4 Location of physical features of the inverter and the wiring box left side view 990 5058A 001 Rev 02 1 5 This manual is for use by qualified personnel only Introduction Air Ventilation The air intake and outlet are located at the sides of the Inverter as shown In Figure 1 5 KA Air outlet an d 6 gt ra ZH E tt j A e A 8 6 Air intake 7 HS Figure 1 5 Cooling arrangement of the inverter 1 6 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Bottom view of Wiring box Bottom view of Wiring box The Ingress Protection rated hole plugs are located at the bottom of the wiring box aS shown in Figure 1 6 4x 1 Conduit entry Communication 1x Conduit entry 1x RJ45 Ethernet 2x RJ45 Modbus 1x Dry contact 1x RPO connector Lx Toles Congur entry INPUT PV1 2x 1 Side Conduit entry 1 Conduit entry Earthing terminal Figure 1 6 Bottom view of the wiring box A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION FIRE OR ARC FLASH Replace any plugs that are removed and u
67. d Follow a lock out tag out procedure e Do not connect the PV conductors until the inverter is earthed either through the AC connection or through the earthing terminal Failure to follow these instructions will result in death or serious injury Refer the applicable model number in Wiring Box Configurations on page 2 14 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Periodic Maintenance Factors Affecting the Inverter Performance This section describes several factors that affect the performance of the inverter PV Array Factors e PV array ratings PV arrays are rated under standard conditions as listed below e specified illumination 1000 W m e spectrum of the light e specified temperature 77 F 25 C This is called the Standard Test Condition STC rating and is the figure that appears on the PV module nameplate label e Expected Performance Due to several unavoidable environmental factors a PV array produces only around 60 to 70 of its peak STC rated output for a well designed and installed PV system on a typical day e Temperature and reduced output The PV array temperature affects the output of the entire system As the temperature of the array surface rises its energy output decreases The arrays mounted on roof also collect the heat generated by the roof surface or trapped under the array and will produce less output than pole mounted arrays which allow greater air
68. e power to the unit for it to cool If the event persists contact schneider Electric customer Service 4 5 This manual is for use by qualified personnel only Troubleshooting Table 4 1 Alert message descriptions Continued Event Code 2101 Definition DC inter comm err Description This error occurs when the internal communication between processors in the control board fails after time out Reset the unit by turning OFF both the DC disconnect and AC breaker external If the event persists then contact schneider Electric customer Service 2102 DCAC comm err Communication error in the Control processor detected by Comm processor Restart the inverter If the event persists contact schneider Electric customer Service 2401 AC UF fast err The Grid Frequency is below the set limits The fall in the grid frequency is rapid Check the frequency if it is within the operating limits and the problem persists contact schneider Electric 2402 AC OF fast err The Grid Frequency is above the set limits The rise in the grid frequency is rapid Check the frequency if it is within the operating limits and the problem persists contact schneider Electric 2406 AC UV fast err The Grid Voltage is below the set limits The fall in the grid voltage is rapid Check the voltage if it is within the operating limits and the problem persists contact Schneider Electric
69. e sources and wait at least five minutes to allow the internal circuits to discharge Operating the RPO Remote Power Off circuit or switching off the inverter does not isolate the inverter from all the power sources The internal parts and the external wiring remain live unless the PV and AC circuits are disconnected as appropriate for each model of the inverter To ensure reliable operation of the inverter it is recommended for a semi annual maintenance cycle based on less severe environment site conditions For sites with blowing dust or for sites subject to extreme temperatures frequency of the maintenance cycle should be increased Note Use only original spare parts provided by the manufacturer Use of non original parts invalidates the warranty For any problems associated with the inverter contact Schneider Electric A A DANGER HAZARD OF ELECTRIC SHOCK AND FIRE e All electrical work must be done in accordance with local electrical codes e The Conext CL inverter has no field user serviceable parts inside only the wiring box has user replaceable parts Fuse amp SPD To be installed and serviced only by qualified personnel equipped with appropriate PPE and following safe electrical work practices e Before installation de energize the AC and PV sources using external disconnecting means provided in the installation and test using a meter rated at least 1000 VDC and 600 VAC to make sure all circuits are de energize
70. e can be upgraded by using any of the following methods e USB Local firmware upgrade e Ethernet Local Remote firmware upgrade 990 5058A 001 Rev 02 5 11 This manual is for use by qualified personnel only Maintenance USB For upgrading the firmware locally use an external USB flash drive not included and follow the steps as described below 1 Ensure to delete older firmware versions stored in the USB and USB flash drive Figure 5 10 Communication interface with USB flash drive 2 Copy the latest firmware into the USB storage drive that will be used to load the firmware to the inverter The latest version of firmware can be downloaded from solar schneider electric com 3 Open the wiring box cover Ensure either AC or sufficient PV input gt 150 V is available to power up control circuit of the inverter 5 Connect the USB drive to the USB device socket The inverter display will now wait for user confirmation to start the upgrade process 6 Press the OK button The inverter now starts upgrading the new firmware available in the USB drive The upgrade process will take approximately 20 to 25 minutes After completing the upgrade process the inverter will restart Note e The user confirmation window will be active only for few seconds e f the OK button is not pressed NO REQUEST RECEIVED appears and the system returns to the home screen 7 Under Inverter Info menu verify the firmware
71. eider Electric customer Service 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Messages Table 4 1 Alert message descriptions Continued Event Code 0713 Definition DC int cfg fit Description The internal configuration is incorrect on the Control Processors Restart the unit If the event persists contact schneider Electric customer Service Error 714 RPO power mod err RPO power module error The RPO power module has failed Contact Schneider Electric Customer service 2018 AC inter comm err This error occurs when the Internal communication between processors in the control board fails after time out Reset the unit by turning OFF both the DC disconnect and AC breaker external If the event persists contact schneider Electric customer Service 2060 AC low temp The temperature on the AC power modules is lower than the limits The unit does not start Wait till the temperature rises to a value greater than the normal temperature 2061 AC modules OT The inverter ambient or AC module temperature is beyond the safe operating limits of the inverter Switch off the power to the unit for it to cool If the event persists contact schneider Electric customer service 2062 990 5058A 001 Rev 02 DC mod12 OT The temperature on DC Power modules is beyond the limits The ambient is beyond the operating limits Switch off th
72. elay e Remote Power Off RPO e Modbus RS485 and Modbus TCP communications e USB device host for local firmware upgrade e Custom data Logging User configurable via USB or Webpage e 3 diagonally graphical display LCD with integrated 7 button control panel e Embedded Web server via Ethernet TCP IP e Supports SunSpec Modbus Wiring Box e Integrated DC switch e Touch safe fuse holder for PV string protection e DC Arc Fault Detection AFD 990 5058A 001 Rev 02 1 3 This manual is for use by qualified personnel only Introduction e AC and DC Surge Protection SPD amp Monitoring e Bottom and Side cable entry for easy installation e AC cable termination using cage clamp terminal block For more details about different wiring box configuration and features refer Wiring Box Configurations on page 2 14 Block Diagram Figure 1 2 shows the block diagram of Conext CL 18000NA and Conext CL 25000NA inverters Figure 1 3 and Figure 1 4 shows the location of important ohysical features of the inverter Wiring box Inverter Wiring box gt PEER PREZ Control Processor Communication Processor Modbus LCD Ethernet USB Figure 1 2 Block diagram of the Conext CL 18000NA and 25000NA models 1 4 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Physical Features Physical Features Inverter _ Wiring box Louvers Lifting handle PV input ca
73. erter is a three phase transformerless string inverter designed for high efficiency easy installation and maximum yield The inverter converts the solar electric photovoltaic or PV power into utility grade electricity that can be used for commercial or residential applications The inverter is designed to collect maximum available energy from the PV array by constantly adjusting its output power to track maximum power point MPP of the PV array The inverter has two MPPT channels MPPT1 and MPPT 2 A maximum of four string inputs can be connected to each independent MPPT channels The two independent PV arrays can operate at different peak power points to capture the maximum possible energy The inverter accommodates PV arrays with open circuit voltages up to 1000 VDC The Conext CL is a transformerless design and therefore has no galvanic isolation Figure 1 1 shows the major components of a typical PV grid tie installation the energy flow in a system using the Conext CL inverter and the typical wiring box components _ amp nt i A AFD in an o AC SPD mn Le LV switch gear
74. et 1 Socket 2 Modbus Figure 2 45 Modbus RS485 connectors The data format for the RS485 connection is shown in Table 2 14 990 5058A 001 Rev 02 2 47 This manual is for use by qualified personnel only Installation and Configuration Table 2 14 Data format for the RS485 connection Parameter Value Baud rate 9600 default 19200 38400 57600 115200 Data bits 8 stop bits 1 default Parity None default Odd Even Ethernet Connection The Conext CL supports Ethernet communication in star network configurations By default the DHCP setting is zero For network communication enable the DHCP setting Home gt Settings gt Comm Settings gt Network Settings Ensure to connect the Ethernet cable only to socket as shown below Socket 1 _ Socket 2 for future expansion Ethernet Figure 2 46 Ethernet Connection Daisy Chain Configuration In a single unit configuration only one RJ45 connection is used and the end terminator plug Modbus Terminator provided with the wiring box packaging is connected into the other RJ45 connector as shown in Figure 2 47 2 48 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Daisy Chain Configuration Modbus Terminator included Figure 2 47 Daisy chain configuration The Conext CL inverters can be connected in Daisy chain configuration In this case both
75. evice Tools Required Torque Table 2 18 To install the inverter the following tools are required e Slotted screwdriver set e 2 Philllos screwdriver or power screwdriver for mounting the bracket e Flat screw driver 1 4 wide e Wire stripper and crimping tool for both AC and DC wiring e Bubble level or Spirit level to ensure the straight installation of the mounting bracket e Torque adjustable wrench metric e Torx head screw driver 125 Table 2 8 Torque table Torque Nm Fastener Type Description in lbf M5 Wiring box front cover screw 2 15 24 3 M8 Wiring box and wall mount screw 6 53 1 M8 Inverter and Wiring box bracket screws 6 53 1 Guide Inverter and Wiring box guide bushing locking 10 88 5 Bushing screw screw Thumb screw Inverter and Wiring box power connector thumb 5 44 3 screw M6 Nut Second protective equipment grounding 5 44 3 Phillips head Fuse holder termination screw 3 26 6 2 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Mounting Mounting This section describes how to mount the inverter and the wiring box to the mounting surface A CAUTION CRUSH HAZARD Always use the specified and sufficient number of screws to install the mounting brackets Ensure to fasten the mounting bracket tightly to the wall or mounting Structure The service person should be equipped with appropriate PPE Lift the inverter with the helo of another
76. fied personnel only 990 5058A 001 Rev 02 Home Page Navigating the LCD Menus and Screens To navigate through the menus In the Home page press any of the four navigation buttons To go to the previous screen or to a higher level menu press the ESC button During the normal operation of the inverter the LCD shows the Home page as shown below Inverter Information Home Power Meter 9 P Energy Log oo lt Event Log ly Vv Figure 3 15 Home page The Inverter Information screen displays the following information about the inverter Inverter serial number Inverter FGA Wiring box serial number Wiring box FGA Communication application firmware version number Communication boot loader firmware version number DC AC control firmware application version number DC DC control firmware application version number O Inverter Info gt O lt APPL Info gt O lt BOOT Info gt Inv S No 205196_217 gt Sea oea G COMM BOOT Ver xx BOOT V anes er COMM APPL Ver xx xx xx gt C Ver xx XX XX TRLB T V XX W boxEGA PVSCL1825NA100 CTRL DCAC Ver xx xx xx _ C OO er XX XX XX TRL DCDC Ver xx xx Commission Date 2015 02 18 M CDC Ver xx Xx XX Manufacture Date 2014 11 05 C lt Figure 3 16 Inverter Info To view the Inverter Information screen From the main menu select Inverter Information and then press the OK button 990
77. g Terminal Figure 2 41 Connecting the earthing conductor Communication Interface The communication interface wires are of Safety Extra Low Voltage SELV type circuits The Conext CL supports multiple communication interfaces such as Modbus Ethernet and USB Host services In addition the inverter supports RPO Remote Power Off and Dry contact relay A WARNING HAZARD OF ELECTRIC SHOCK e Connect only to Safety Extra Low Voltage SELV circuits e The circuits provided for external communications and control equipment are designed to provide isolation from the neighbouring hazardous circuits within the inverter The communications and control circuits are classified as Safety Extra Low Voltage SELV and must only be connected to other SELV circuits of the types described in this manual Maintain physical and electrical separation of the communications and control circuits from non Safety Extra Low Voltage SELV electrical circuits both within and outside the inverter Failure to follow these instructions can result in death or serious injury 2 44 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Communication Interface The below diagram shows the front view of the communication interface w C E E E E AFD SPD RELAY RPO MODBUS ETHERNET USB
78. g box available for the Conext 18000NA and Conext 25000NA products Base Essential Essential plus Optimum Optimum plus Bottom vA Cable Entry v Knock out 1 1 i 1 ite size Conductor 10to 6 10 to 4 10 to 4 10to 4 10 to 4 DC connection size AWG AWG AWG AWG AWG Connection Spring screw type Screw type Screw screw type type connector type Single MPPT v V v v y configuration Knock out 1 1 1 1 1 size Conductor 10 to 4 10 to 4 10 to 4 10 to 4 10 to 4 AC connection size AWG AWG AWG AWG AWG Connection Spring spring spring spring spring type connector connector connector connector connector Touch safe v4 v v y fuse holder DC switch v DC protection DC SPD A Two Arc Fault v Detection AFD AC protection AC SPD v Y One 2 14 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Wiring Box Configurations The different features of the five wiring box layouts are as shown below Figure 2 10 Wiring box Base PVSCL1825NA100 Table 2 3 Wiring box Base PVSCL1825NA100 Ref Description 1 DC terminal block 2 AC terminal block 6 2a ke amp 2 So 3 Billet lt eli ial i BB Sd08 S805 0800 08804 5 Figure 2 11 Wiring box Essential PVSCL1825NA200 990 5058A 001 Rev 02 2 15 This manual is for use by qualified personnel only Installation and Configuration Table 2 4 Wiring
79. grounded The inverter design is compatible with Mono Crystalline or PolyCrystalline panel 2 34 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Planning and Wiring A PV Array Sizing tool is available for download at http solar schneider electric com product conext designer and select additional links to access the sizing tool This software is an optional tool to help PV string design to the rated power Capacity of the inverter Ensure that the following requirement is met for installation e All the components installed between the PV array and the inverter shall be rated for at least 1000 VDC and as per the applicable installation codes Table 2 9 PV input parameters Parameter Conext CL 18000NA Conext CL 25000NA Maximum input voltage 1000 VDC open circuit Maximum input current 32A 26 5 A per MPPT Absolute maximum short 36 A 36 A circuit current per MPPT MPPT full power range 300 800 V 500 800 V Note For more details refer to the System Specifications on page A 2 Any cable or wiring located outdoors must be outdoor rated UV sunlight resistant with suitable voltage and flammability rating and should comply with the local code requirements NOTICE RISK OF EQUIPMENT DAMAGE To ensure protection class TYPE 4 electronics TYPE 3R rear portion and to protect against penetrating moisture and dirt close the unused inputs and outputs with the hole plugs provided Fai
80. ic grid tie inverter Conext CL 25000NA The information provided is specific to the 25 kVA Conext CL photovoltaic grid tie inverter Abbreviations and Acronyms Term Definition description AC Alternating Current ADC Analog to Digital Converter AFD Arc Fault Detector AFDI Arc Fault Detector and Interrupter Cap Capacitive CSA Canadian Standards Association DC Direct Current DSP Digital Signal Processing GND Ground Ind Inductive IP Ingress protection lsc Short circuit current rating of a PV panel under STC See STC below 990 5058A 001 Rev 02 V This manual is for use by qualified personnel only About This Manual yi Term Isc max l L2 LS LCD LED LVRT MPP MPPT NA NEC NC NO OD OOCP PPE PV RCD RCMU RPO SELV Sn Definition description Absolute maximum short circuit current permitted from the PV array AC Line 1 AC Line 2 AC Line 3 Liquid Crystal Display Light Emitting Diode indicator light Low Voltage Ride Through Maximum Power Point Maximum Power Point Tracking Neutral North America National Electrical Code Normally Closed Normally Open Outer Diameter Output Over Current Protection Active Power Protective Earth ground Real power nominal Percentage of Rated Power Output power Personal Protective Equipment Photovoltaic Reactive power Residual Current Detection Residual Current Monitoring Unit Remote Power Off Safety Extra Low Voltage Apparent power
81. ient temperatures 990 5058A 001 Rev 02 2 33 This manual is for use by qualified personnel only Installation and Configuration e Any other system parameters required by the installation codes Planning This section provides information about the PV planning PV Planning A A DANGER HAZARD OF ELECTRIC SHOCK FIRE AND EQUIPMENT DAMAGE Use this inverter only with PV modules that have a UL Class A rating Failure to follow these instructions will result in death or serious injury NOTICE RISK OF EQUIPMENT DAMAGE e Do not ground either the positive or negative conductor from the PV array e The maximum power of an array connected to each MPPT must not exceed 11400 W for the Conext CL 18000NA inverter or 15900 W for the Conext CL 25000NA inverter Failure to follow these instructions can result in equipment damage A WARNING HAZARD OF ELECTRIC SHOCK FIRE AND EQUIPMENT DAMAGE The PV array voltage must never exceed 1000 VOC open circuit voltage under any condition The DC conductors of this photovoltaic system are ungrounded and may be energized The Absolute Maximum PV array lsc short circuit current must not exceed the specified limit per MPPT under any conditions Failure to follow these instructions can result in death or serious injury and equipment damage The Conext CL must be used only with ungrounded floating connections wherein the positive and negative terminals of PV array are not
82. igure 2 28 Figure 2 29 Figure 2 30 Figure 2 31 Figure 2 32 990 5058A 001 Rev 02 Typical installation Optimum plus Configuration 1 2 Block diagram of the Conext CL 18000NA and 25000NA models 1 4 Location of physical features of the inverter and the wiring box right side view 1 5 Location of physical features of the inverter and the wiring box left side view 1 5 Cooling arrangement of the inverter 1 6 Bottom view of the wiring box 1 7 Packing list Wiring box 2 3 Nameplate label Wiring box 2 4 Packing list Inverter 2 5 Inverter nameplate label 2 6 Correct mounting position 2 11 Incorrect mounting positions 2 11 Proper installation distances of the inverter 2 12 Views and dimensions of the inverter and the wiring box 2 12 Wiring box Base PVSCL1825NA100 2 14 Wiring box Essential PVSCL1825NA200 2 14 Wiring box Essential plus PVSCL1825NA201 2 15 Wiring b
83. isplays the Multiple Relay settings with respect to either of temperature power external load and fault limits View set MPPT configuration single dual Customise the existing grid settings or new grid code settings Home gt Settings gt Power Control To control the Active and Reactive power Home gt Seittings gt Power Control gt Active Power To control the Active power or real power KW Home gt Seitings gt Power Control gt Active Power gt Power limit Limits the inverter power in terms of percentage or KW level View set the power control enable disable Displays the Power control in percentage with respect to the rated power Displays the Power control in kw Kilo watt with respect to the rated power Home gt Status gt Temperature gt Advanced Displays the temperature values of different modules in the inverter Displays the Boost Module 1 temperature Displays the Boost Module 2 temperature Displays the external Ambient temperature of the inverter 990 5058A 001 Rev 02 This manual is for use by qualified personnel only 990 5058A 001 Rev 02 Description of Information Displayed on the LCD Table B 1 LCD texts Continued LCD text AC Module A AC Module B AC Module C SPD Status SPD AC SPD PV1 SPD PV2 AFCI Status Arc Fault Diagnostics Fan Test Fan Status Fan Control Switch Off On Test Automatic Description Displays the internal Module A heatsink temper
84. l processors e Initialization of the communication processor fails e Internal communication with its peripherals fails e Built in self test fails e The file system is not proper or initialization of processor fails e The memory test of comm processor fails e The watch dog fails e Incorrect configuration parameters are entered e Communication with DUI processor fails e MD5 sum failure or Firmware loading fails If the event persists contact Schneider Electric customer service with display details A 10 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Messages Table 4 1 Alert message descriptions Continued Event Code Definition Description 8000 AC internal err An Internal Error is detected by the processor due to the following conditions e The grid current measured exceeds the rating of the unit e The DC bus voltage is greater than the trip value e The top or bottom DC bus voltage is greater than the trip value e The voltage difference between top and bottom DC bus voltage is greater than the set value e The DC bus voltage is lesser than the set value e The DC voltage sensor fails to measure the DC BUS voltage e The ADC reference is not within the tolerance of 1 5V e The Phase lock loop fails during inverting If the event persists contact schneider Electric customer service with the display details 990 5058A 001 Rev 02 4 11
85. l work practices Before installation de energize the AC and PV sources using external disconnecting means provided in the installation Test using a meter rated at least 600 VAC and 1000 VDC to make sure all the circuits are de energized Follow a lock out tag out procedure Connect the PV conductors only after earthing the inverter through the AC connection and the earthing terminal Failure to follow these instructions will result in death or serious injury Recommended Protection Devices and Conductor Sizing A CAUTION HAZARD OF FIRE e To reduce the risk of fire connect the inverter only to a circuit provided with 39A maximum branch circuit overcurrent protection in accordance with the National Electrical Code ANSI NFPA 70 e The inverter shall be connected only to a dedicated branch circuit Failure to follow these instructions can result in moderate or serious injury It is the responsibility of the installer to determine and provide the external over current protection and disconnecting means if required in addition to the integrated features for the PV input wiring Determine the need for over current protection and its rating or setting based on the e Applicable installation codes as per ANSI NFPA 70 or the Canadian Electrical Code CSA C22 1 wiring methods and section 690 35 section for installation e Array currents involved e Current ratings see Specifications on page A 1 e Expected amb
86. losses in the unit are higher than normal and hence the efficiency is low If the event persists contact schneider Electric customer Service 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Messages Table 4 1 Alert message descriptions Continued Event Code 0203 Definition DC init flt Description Initialization of Control Processor fails If the event persists contact schneider Electric customer Service 0204 DC BIST fit Built in Self Test of the Control Processor fails If the event persists contact schneider Electric customer Service 0205 AC init flt Initialization of Control Processor fails If the event persists contact schneider Electric customer Service 0206 AC BIST fit Built in Self Test of the Control Processor fails If the event persists contact schneider Electric customer Service 0702 RCMU fit The Earth Leakage current is repeatedly detected to be greater than limited value Check whether the insulation between the PV to ground is higher than the specified value If the event persists contact schneider Electric customer Service 0704 990 5058A 001 Rev 02 AFD selftest fail Arc fault detector unit failure Arc fault detection module failure detected If the event persists contact schneider Electric customer Service 4 3 This manual is for use by qualified personnel only Tro
87. lure to follow these instructions can result in equipment damage PV Wiring Diagrams The inverter can accept PV input on all the four PV array input terminals on each MPPT A maximum of four PV string inputs can be connected to each MPPT 990 5058A 001 Rev 02 2 35 This manual is for use by qualified personnel only Installation and Configuration MPPT 1 MPPT 1 MPPT 2 MPPT 2 DC disconnect Switch Touch safe ALLE EL Sib Sie 4 strings MPPT 4 strings MPPT External DC connections Figure 2 34 PV Wiring diagram of the Conext CL 18000 NA and 25000 NA models Not applicable for the base model Independent or Parallel Configuration of Two Inputs The Conext CL inverters have dual PV input circuits each with independent Maximum Power Point Tracking MPPT control The inverter has the flexibility to configure for dual single MPPT operation mode When operated in the dual input mode the inverter can optimize the operating point of the two independent arrays Each of the input is dedicated to a separate array with an independent MPPT control This means that the two arrays can be installed with different orientation Dual MPPT Configuration This configuration is most suitable for PV installations with multi roof orientations and asymmetrical string sizes The dual MPPT design permits two separate PV input circuits for each MPPT trackers Single MPPT Configuration This configuration is most suitable fo
88. n Internal Data Logger The Conext CL has an integrated data logger built in The logging frequency and size can be configured using the Menu Structure on page 3 10 Table 2 15 Internal Data Logger specifications Recording Cycle Storage Time 1 record 5 minute 1 day 1 record 15 minutes 1 month 1 record 1 day 1 year 1 record 1 month 10 years 2 56 990 5058A 001 Rev 02 This manual is for use by qualified personnel only 990 5058A 001 Rev 02 Operation Chapter 3 Operation contains information on the basic operation of the inverter and the wiring Dox This manual is for use by qualified personnel only Operation Commissioning Start up procedure 1 2 10 11 Ensure that the DC and AC breaker are turned OFF Complete the wiring as described in chapter 2 e AC wiring e DC wiring e Earthing e Communication Interface Check the polarity of the DC wires and ensure that the maximum DC voltage is not more than 1000 V Ensure to place the string protection fuses Refer to the PV String Protection on page 2 53 Ensure proper insertion of communication interface cables to the appropriate connectors Ensure the dry contact and RPO connections are wired properly Ensure all the conduit entry provisions are sealed properly after completing the terminations Replace the cover on the wiring box Turn ON the AC breaker external and ensure that the grid is connected to the inverter The in
89. n installing the inverter Refer to the Wiring Box Configurations on page 2 14 Environmental Requirements A WARNING HAZARD OF FIRE Keep the area under and around the inverter clear of flammable material and debris Failure to follow these instructions can result in death or serious injury e The enclosure of the inverter can tolerate some ingress of dust however minimizing the exposure to dust will improve the performance and life of the inverter e While the TYPE 4 electronics TYPE 3R rear portion rated protection of the inverter protects it from rain and water sprayed on the inverter from a nozzle it is recommended that outdoor installations be located away from lawn sprinklers and other sources of spray such as a hose or pressure washer e The inverter is designed to operate in a 68 F to 140 F 25 C to 60 C ambient environment however the optimal power harvest is achieved up to an ambient temperature of 113 F 45 C Above 45 C the power may derate e lt is recommended to install the inverter away from direct exposure to sunlight or else it might result in the following consequences e output power limitation loss of production e premature aging of electronic components e premature aging of mechanical components and the display interface e The mounting location and structure must be suitable to withstand the weight of the inverter and the wiring box e Install the inverter in a l
90. nd PV power systems up to 1000 VDC e Applying all local installation codes e Analyzing and eliminating the hazards involved in performing electrical work e Selecting and using Personal Protective Equipment PPE Installation commissioning troubleshooting and maintenance of the inverter must be done only by qualified personnel This manual is for use by qualified personnel only About This Manual Organization Related Information Conventions Used This manual is organized into the following chapters and appendices Chapter 1 Introduction provides information about Conext CL18000NA and Conext CL 25000NA three phase grid tie inverters Chapter 2 Installation and Configuration provides information and procedures for installing and configuring the inverter and the wiring box Chapter 3 Operation contains information on the basic operation of the inverter and the wiring box Chapter 4 Troubleshooting describes the event and service messages that might be displayed on the LCD of the inverter and the recommended solutions Chapter 5 Maintenance contains Information and procedures for performing preventive maintenance on the inverter and the wiring box Appendix A provides the environmental electrical and other specifications for the inverters Appendix B describes the information that can be displayed on the LCD of the inverter Information About Your System can be used to
91. ng box selection in the LCD Menu Settings should match with the part number on the wiring box label Failure to follow these instructions can result in equipment damage 990 5058A 001 Rev 02 3 7 This manual is for use by qualified personnel only Operation When the inverter starts running the home page displays a daily overview of the energy produced Menu Settings There are a series of settings screens for configuring the inverter Settings screens for configuring the inverter 1 To select an item to edit in the Settings screen use the up down keypad buttons The selected item is highlighted General Settings Name Conext CL 20519 en Date 2011 27 05 09 47 Contrast 55 Backlight Backlight Timeout Figure 3 4 General Settings screen1 2 To edit the selected item press the OK button The first digit or character to edit is highlighted General Settings Name Conext CL 20519 Language en Date 2011 27 05 09 47 Contrast 55 Backlight Backlight Timeout Figure 3 5 General Settings screen 2 e To increase decrease the highlighted value press the up down V A arrows Press left right keyoad buttons to move the cursor in the left right direction e To write the new value in the configuration press the OK button e To cancel the editing press the ESC button Normal Power up During normal power up the screen shows the Schneider Electric logo and a progress bar indicating the power up p
92. nly Installation and Configuration e Trim all the wires to 3 94 in 100 mm e Using an appropriate tool strip 0 79 in 20 mm of insulation from all wire ends e Insertthe stripped end of each of the five wires into the appropriate hole in the female insert Maximum AC Cable Length The following table provides recommended maximum cable lengths for 8 AWG 6AWG and 4AWG conductor size from inverter to AC distribution box Table 2 11 AC cable loss details copper KVA Percentage losses Copper cable 18 KVA AC cable length 8 AWG 6 AWG 4 AWG 25 M 0 4 0 22 0 14 50 m 0 7 0 45 0 28 fom 1 1 0 67 0 42 100 m 1 4 0 90 0 56 25 KVA 25 M 0 7 0 42 0 27 50 m 1 3 0 85 0 53 75 m 2 0 1 27 0 80 100 m 2 1 1 69 1 06 If the AC cable length exceeds 32 8ft 10 m the use of an AC distribution box closer to the Inverter is recommended Table 2 12 AC cable loss details aluminium 2 42 KVA Percentage losses Aluminium cable 18 KVA AC cable length 8 AWG 6 AWG 4 AWG 25 M 0 9 0 6 0 3 25 KVA 100 m 3 1 9 Note The values mentioned above are only for general reference 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Planning and Wiring A A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION AND ARC FLASH e Always be cautious of nicked wire insulation e Always use the specified cable length while stripping the AC and DC cable Failure to follo
93. nominal 990 5058A 001 Rev 02 This manual is for use by qualified personnel only 990 5058A 001 Rev 02 Term STC THD UL UV VAC VDC VMPP VOC VOC max About This Manual Definition description standard Test Conditions specific to photovoltaic panels 1000 W m light soectrum AM 1 5 and 25 C 77 F panel nameplate ratings are based on STC and may be exceeded under some conditions Total Harmonic Distortion Underwriters Laboratories Ultraviolet Voltage Volts AC Volts DC Voltage at Maximum Power Point Open circuit voltage rating of a PV panel under STC Absolute maximum open circuit voltage permitted from a PV array Vil This manual is for use by qualified personnel only About This Manual Symbols on the Inverter Symbols Explanation Hazard of fire arc flash or electric shock from multiple sources power and then wait atleast five minutes for internal capacitors to discharge Refer to the Conext CL Installation and Operation Manual The inverter is energized from two sources Before opening the cover physically isolate all the sources of The product works with high voltages All work on the Conext CL Inverter must follow the described AIN documentation and must comply with all the prevailing codes and regulations associated with high voltages A Caution risk of danger Protective earthing connection Product Recycling order to reduce negative environmental impact
94. nused to prevent water from entering the wiring box Failure to follow these instructions will result in death or serious injury Item See this section AC output AC Wiring on page 2 39 Communication interface Communication Interface on page 2 44 PV input Planning on page 2 34 Earthing terminal Earthing Terminal on page 2 43 990 5058A 001 Rev 02 1 7 This manual is for use by qualified personnel only Introduction 1 8 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Installation and Configuration Chapter 2 Installation and Configuration provides information and procedures for installing and configuring the inverter and the wiring box 990 5058A 001 Rev 02 2 1 This manual is for use by qualified personnel only Installation and Configuration Transportation The Conext CL consists of two packaging boxes the inverter and the wiring box The transportation of the equipment should be carried out without any abnormal vibration or shock that may damage any of the internal parts Lifting A CAUTION CRUSH HAZARD e The service person should be equipped with appropriate PPE e Lift the inverter with the helo of another person Failure to follow these instructions can result in moderate or serious injury The inverter and the wiring box weighs approximately 119 lbs 54 kg and 33 lbs 15 kg respectively It is recommended to ensure all neces
95. nverter i mounting bracket E ais D S x o tO N ar D Wiring box bracket eS 7 8in JE Sin LET ae 127mm 398 7mm D 25 7in N z 652 7mm cls 2 lt z N N De Figure 2 15 Mounting bracket dimensions Wiring box and Inverter 2 20 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Mounting oe 5x M8 screws Figure 2 16 Fastening the wiring box mounting plate to the wall 990 5058A 001 Rev 02 2 21 This manual is for use by qualified personnel only Installation and Configuration 2x M8 screws a ee cae 2x Locating pins Sy Figure 2 17 Fastening the inverter mounting plate to the wall 2 22 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Mounting Figure 2 18 Inverter rear view with mounting bracket A Mounting bracket wiring box A B Locating pin C Mounting bracket inverter D Mounting flange Pole Mounting The Conext CL inverter can be mounted on a pole structure with three additional U clamps not included in the package The ordering details for U clamp Part number 3042167 for a pole diameter of 6 For more details http www mcmaster com catalog 121 1
96. o the RJ45 ports Ensure adherence to all necessary installation codes as applicable to the specific location of installation Some examples include the following e The U S National Electrical Code NEC e The Canadian Electrical Code CEC e The U S Code of Federal Regulations CFRs e Canadian Standards Association CSA lt is the responsibility of the installer to ensure that all the applicable installation requirements are met Planning for a system requires a complete understanding of all the components that are involved to successfully install the inverter This helps to achieve optimum performance and reliability and to meet applicable installation codes The inverter is rated and certified for both indoor and outdoor installation The Conext CL inverter uses a TYPE 4 electronics TYPE 3R rear portion rated protection that can be Installed indoors or outdoors 2 This manual is for use by qualified personnel only Installation and Configuration Debris Free Excessive debris Such as dust leaves and cobwebs can accumulate at the rear side of the inverter interfering with the wiring connections and ventilation NOTICE RISK OF EQUIPMENT DAMAGE Mount the inverter in a dust free environment where debris cannot accumulate which may interfere with the connections and ventilation Failure to follow these instructions can result in equipment damage Clearance Consider adequate ventilation and service access whe
97. ocation where the DC disconnect switches are easily accessible 2 8 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Planning for Installation e Install the inverter with the display located at an eye level so that the display and LED status are seen easily A CAUTION CRUSH HAZARD e The inverter and wiring box together weighs approximately 154 3 Ibs 70 kg Ensure that the surface on which the inverter will be mounted and the mounting hardware used are strong enough to withstand this weight Use proper lifting techniques in accordance with local workplace safety rules and always use assistance when moving lifting and installing the inverter Failure to follow these instructions can result in injury or equipment damage NOTICE RISK OF EQUIPMENT DAMAGE e The enclosure of the inverter protects the internal parts from rain however outdoor installations must be located away from the lawn sprinklers and other sources of spray such as a garden hose or a pressure washer Direct sunlight on the inverter could raise internal temperatures causing a reduction of output power during hot weather It is recommended to install the inverter in a shaded area away from direct exposure to sunlight for better performance The performance of the product might be impaired without adequate ventilation Allow a clearance of at least 23 6 in 600 mm at the sides of the inverter e Do not obstruct the air int
98. of installation 2 6 M main menu maintenance periodic 5 2 maximum operating current DC A 2 messages LCD 4 2 mounting correct position 2 9 incorrect positions 2 10 See also mounting plate mounting plate fastening to wall 2 17 multiple inverters RS485 wiring 2 46 D 1 Index O OK button 3 4 operating current maximum DC A 2 operation 3 1 Output P B 4 Output P maximum B 4 p package contents 2 3 2 4 packing list 2 3 2 4 periodic maintenance 5 2 planning of installation 2 6 protection degree A 4 protective devices recommended AC 2 36 DC 2 31 purchase date D 1 R regular maintenance 5 2 relative humidity A 4 requirements environmental 2 7 risk of equipment damage 2 8 2 9 2 32 2 33 2 36 2 39 2 44 2 47 3 6 RS485 connection overview 2 43 data format 2 44 S semi annual maintenance 5 4 sizing tool PV 2 32 specifications DC input A 2 electrical 2 33 environmental 2 51 system A 2 spray caution 2 8 sprinklers caution 2 8 sunlight direct 2 8 system specifications A 2 T turning inverter on off 3 2 U Unpacking 2 4 unpacking 2 12 Up button 3 4 A 2 V ventilation 2 8 WwW wall fastening mounting plate to 2 17 warning hazard of electric shock 2 41 2 42 hazard of electric shock fire and equipment damage 2 32 hazard of fire 2 7 hazard of shock 2 47 risk of equipment damage 2 47 wiring AC 2 36 2 37 wiring polarity DC 2 35 D 2 990 5058A 001 Rev 02
99. om 35 7 OO Vac Hi Off V 332 0 O vac Miom slow 3100 O Name Custom B gt vac Hi On V 300 0 jj Vac Hi on Slow V 300 0 Vac Norm V 277 0 p la Vac Hi Tms 160 lt q Vac Hi Slow T ms 1000 aie po Vac Lo Off V 139 0 Vac Lo off Slow V 240 0 econnect T s a Q Vac Lo On V 230 0 Q Vac Lo on Slow V 255 0 Q Vac Lo Trip T ms 160 Vac Lo Slow T ms Y lt Custom 4 5 gt lt Custom 5 5 gt O F Hi Off Hz 60 50 O F Hi off Slow Hz 60 50 F Hi On Hz 60 30 j gt F Hi on Slow Hz 60 30 F Hi Trip T ms 160 F Hi Trip Slow T ms 2000 a F Lo Off Hz 59 20 F Lo Off Slow Hz 59 20 Q F Lo On Hz 59 50 Q F Lo On Slow Hz 59 50 F Lo Trip T ms 160 F Lo Trip Slow T ms 2000 O Figure 3 10 Menu structure 4 eT Settings Power Control Active Power Active Pwr Control General Settings 0k Q Comm Settings Active power 0K Set Point kw 25 0 lt Custom Datalog Reactive Power P F l gt a Power vs Frequency gi Set Point 100 Install Settings A w eS Power Control A Figure 3 11 Menu structure 5 990 5058A 001 Rev 02 3 13 This manual is for use by qualified personnel only Operation OO Home 8 Diagnostics O inverter info tl Settings Fan Control 2 atO 8 Fan Status 0 Status Home 0 Status Temperature C Temperature C
100. on page 2 18 for torque values 4 Open the front cover of the Wiring box as shown in Figure 2 25 on page 2 28 5 Remove the connector cover by loosening the guide bushing as shown in Figure 2 26 on page 2 29 6 Anchor the connector cover as shown in Figure 2 27 on page 2 29 Note This plate is required to prevent dust and water ingress when the inverter is removed for service PINCH HAZARD Use extreme caution while lifting the inverter Ensure that the inverter mounting hook fully engages with the mounting plate After placing the inverter into the mounting bracket carefully release your hands off the lifting provision Failure to follow these instructions can result in moderate or serious injury To mount the inverter 1 Lift the inverter using the lifting provision as shown in Figure 2 22 on page 2 25 2 Place the inverter on the mounting bracket and ensure that the upper edge of the mounting bracket engages the flange on the upper edge at the back of the inverter Refer to the Figure 2 18 on page 2 23 3 Ensure that the guide bushing 2x provided with the inverter engages with the wiring box bushing Refer to the Figure 2 28 on page 2 30 and Figure 2 29 on page 2 30 4 Tighten the guide bushing screw of the wiring box as shown in Figure 2 30 on page 2 31 Ensure that the inverter and the wiring box are clamped fixed together firmly Refer to the Table 2 8 Torque table on page 2 18 for torque v
101. on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and the receiver e Connect the equipment to a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help All electrical installations must be done in accordance with the local and National Electrical Code ANSI NPFA 70 or the Canadian Electrical Code CSA C22 1 All installations must conform with the laws regulations codes and standards applicable in the jurisdiction of installation Wiring of the product should be done by a qualified personnel only The product contains no user serviceable parts For all repair and maintenance contact Schneider Electric Safety and Rating labels The safety labels are on the right side of the inverter and wiring box as shown in the figure below All meet Gan pBY HEE Rating label inverter Danger label inverter Rating label wiring box Danger label wiring box 990 5058A 001 Rev 02 xiii This manual is for use by qualified personnel only Safety Safety equipment Qualified service personnel must be equipped with appropriate Personal Protective Equipment PPE that include but are not necessarily limited to the following e Safety gloves e Safety glasses
102. on Interface 2 41 Connecting Cables to the Communication Module 2 42 Modbus RS485 Connection 2 43 Ethernet Connection 2 44 Daisy Chain Configuration 2 44 RPO and Dry contact relay connection 2 46 Dry Contact Relay 2 46 Remote Power Off 2 47 PV String Protection 2 48 Arc Fault Detection 2 49 Surge Protection Device Monitoring 2 49 Web Interface 2 50 Internal Data Logger 2 51 Operation Commissioning 3 2 LCD and Control Panel 3 3 LED Indicators 3 3 Navigating the LCD Menus and Screens 3 5 First Time Power Up 3 5 Menu Settings
103. only Navigating the LCD Menus and Screens Schneider CONEXT CL 65 BOOT dle Language 1 11 dle Language 2 11 A Password ble Country 3 11 gt gt Confirm language 2 pP USA MOA en Canada Press OK to Press OK to confrm submit Mexico ESC to cancel to S Sloe ToT CNF Country 4 11 LLP Date amp Time 5 11 PT _Set TimeZone A Date amp Time 10 00 Hawiian Confirm Count Select Time Zone 2 i l Select Time Zone 4 onfirm Country p gt 09 00 Alaska USA Date amp Time 25 06 2015 13 54 08 00 Pacific US CAN 25 06 2015 13 54 Press OK to j z confirm Done 07 00 Pacific_US_CAN ESC to Cancel Esc Done LLP Select W box 6 11 HIP CNF W box 7 11 hP Set MPPT 8 11 dL CNF MPPT 9 11 PVSCL1825NA100 Confirm Wiring box DUAL MPPT 2 eae neers PVSCL1825NA100 Confirm MPPT Mode PVSCL1825NA300 SINGLE MPPT 1 2 PVSCL1825NA301 Press OK to confrm Press OK to confrm ESC to cancel ESC to cancel fo ole m ALP Set Mod ID 10 11 te CNF Modbus ID 11 11 Modbus Address fai Confirm Modbus ID 10 Press OK to confrm Done ESC to cancel FIRST TIME POWER UP SETTINGS Configuration complete System Restarting to Apply Settings Figure 3 3 First time power up screen NOTICE RISK OF EQUIPMENT DAMAGE The wiri
104. ons will result in death or serious injury A A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION AND ARC FLASH The inverter is not user serviceable To be installed and serviced by qualified personnel equipped with appropriate personal protective equipment and following safe electrical work practices Failure to follow these instructions will result in death or serious injury A WARNING HAZARD OF ELECTRIC SHOCK AND EXPLOSION e Disconnect all the power sources before making any connection e Connect the communication ports to Safety Extra Low Voltage SELV Circuits only Failure to follow these instructions can result in death or serious injury FCC Information to the User This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may xii 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Safety cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and
105. or use by qualified installers only Information About Your System This manual for use by qualified installers only 990 5058A 001 Rev 02 Index Index AC cable maximum length 2 40 cable preparing and connecting 2 36 connector specifications A 3 grid connection 2 36 2 37 air outlets location 1 6 C caution risk of equipment damage 2 8 2 9 2 32 2 33 2 36 2 39 2 44 3 6 cleaning fans 5 4 clearance required 2 8 communication module cables connecting 2 43 conductor sizing recommended AC 2 36 DC 2 31 contents of the package 2 3 2 4 control panel 3 3 D danger hazard of electric shock 2 31 5 2 maximum operating current A 2 specifications A 2 DC wiring polarity 2 35 direct sunlight 2 8 E earthing terminal 2 40 electrical specifications 2 33 environmental specifications 2 51 error codes 4 2 error messages 4 2 ESC button 3 4 F fans cleaning 5 4 firmware version 3 11 fuse A 3 G grid AC connection 2 36 2 37 H hazard of electric shock 2 31 2 41 2 42 5 2 hazard of electric shock fire and equipment damage 2 32 hazard of fire 2 7 hazard of shock 2 47 Information about Your System form D 1 installation overview 2 5 PV planning 2 32 990 5058A 001 Rev 02 see also mounting inverter earthing terminal 2 40 installation 2 5 serial number D 1 turning on off 3 2 Inverter Information screen 3 11 IP address 2 50 L LCD messages displayed 4 2 location
106. or use by qualified personnel only 990 5058A 001 Rev 02 990 5058A 001 Rev 02 Specifications Appendix A provides the environmental electrical and other specifications for the Inverters This manual is for use by qualified personnel only Specifications Note e Specifications are subject to change without notice e Refer to solar schneider electric com for the latest list of approved countries System Specifications Table A 1 System specifications Unit of Parameter measurement Conext CL 18000NA Conext CL 25000NA Input DC Full power MPPT voltage Volts 300 800 500 800 range Operating voltage range Volts 250 1000 Maximum input voltage Volts 1000 open circuit Rated input voltage 720 Minimum input voltage 150 Maximum input current 32 26 5 Number of independent 2 1 MPPT input Absolute maximum PV 36 array short circuit current per MPPT Nominal DC input power 19000 26500 cos phi 1 Maximum DC input power 11400 15900 per MPPT DC connection type Reverse polarity Base Push type connector Essential amp Optimum Fuse holder Short circuit diode protection Output AC Nominal output power KVA 18 25 Rated Grid Voltage Voltage L L 480 AC voltage range Voltage L L 422 528 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Table A 1 Grid Connection Type system Specifications system specifica
107. ower connector 2 30 Closing the wiring box 2 31 Affixing the silicone layer 2 31 XIX This manual is for use by qualified personnel only Figures Figure 2 33 Figure 2 34 Figure 2 35 Figure 2 36 Figure 2 37 Figure 2 38 Figure 2 39 Figure 2 40 Figure 2 41 Figure 2 42 Figure 2 43 Figure 2 44 Figure 2 45 Figure 2 46 Figure 2 47 Figure 2 48 Figure 2 49 Figure 2 50 Figure 2 51 Figure 2 52 Figure 2 53 Figure 3 1 Figure 3 2 Figure 3 3 Figure 3 4 Figure 3 5 Figure 3 6 Figure 3 7 Figure 3 8 Figure 3 9 Figure 3 10 Figure 3 11 Figure 3 12 Figure 3 13 Figure 3 14 Figure 5 1 Figure 5 2 Figure 5 3 Figure 5 4 Figure 5 5 Figure 5 6 Figure 5 7 Figure 5 8 Figure 5 9 XX PV Wiring diagram of the Conext CL 18000 NA and 25000 NA models 2 35 MPPT Shorting Connector and Jumper arrangement 2 36 Wire installation 2 39 Wire installation 2 2 39 AC connection details 2 40 AC wiring 2 40 Connecting the earthing conductor 2 43 Communication interface 2 43 Modbus RS
108. ox Optimum PVSCL1825NA300 2 16 Wiring box Optimum plus PVSCL1825NA3801 2 16 Mounting bracket dimensions Wiring box and Inverter 2 19 Fastening the wiring box mounting plate to the wall 2 20 Fastening the inverter mounting plate to the wall 2 21 Inverter rear view with mounting bracket 2 22 Front view of the pole mounting installation 2 23 Rear view of the pole mounting installation 2 23 Pole mounting rear view with the inverter installed 2 24 Inverter and Wiring box Exploded view 2 24 Mounting the wiring box on the bracket 2 26 Fastening the wiring box to the mounting bracket 2 2 Opening the front cover of the wiring box 2 2 Removing the connector cover 2 28 Anchoring the connector cover 2 28 Inverter assembly side view 2 29 Inverter assembly front view 2 29 Locking the inverter to the wiring box 2 30 Locking Inverter and Wiring box p
109. peration time of the inverter Total energy generated today Total energy generated yesterday Total energy generated present month Total energy generated last month Total energy generated present year Total energy generated last year B 3 This manual is for use by qualified personnel only Descriptions of LCD Information LCD text 7 Days Prev 7 Days Event Log Active Services All Logs Service Log Event Log Service Details Event Details Log Details Inverter Info Inv S No Inv FGA W box FGA W box S No optional CAP Ver CBT Ver AC DSP Ver DC DSP Ver General Settings Table B 1 LCD texts Continued Description Energy generated in last seven days Energy generated in previous seven days Home gt Event Log Displays the Active Services Service Logs Event Logs and All Logs All up to 10 entries Displays the active errors and services in the inverter Displays all the errors services warnings and events and displays up to 10 logs Displays the set and clear of all errors services warnings and events Displays all the events Displays the detailed description of a service along with date and time Displays the detailed description of an event along with date and time Displays the detailed description of Log along with the date and time on the inverter Home gt Inverter Info Displays the inverter information such as inverter details wiring box details and firmware version
110. person Failure to follow these instructions can result in moderate or serious injury Fastening the Mounting Plate to the Wall To fasten the mounting plate to the wall Install the wiring box mounting bracket first and then mount the inverter bracket using the locating pins 1 Select a wall or other suitable solid vertical surface capable of supporting the weight of the inverter and the wiring box 2 Maintain a minimum clearance of 36 from the ground to the bottom edge of the wiring box mounting bracket Refer to the Figure 2 15 on page 2 20 3 Using the five M8 screws securely attach the wiring box mounting bracket to the mounting surface An example of mounting on plywood wallboard and wall studs is shown in Figure 2 16 on page 2 21 4 Align the inverter mounting bracket using the two alignment pins Refer to the Figure 2 17 on page 2 22 5 Secure the bracket to the mounting surface using two M8 screws An example of mounting on plywood wallboard and wall studs is shown in Figure 2 17 on page 2 22 6 Use a level to ensure that the mounting bracket is horizontal 990 5058A 001 Rev 02 2 19 This manual is for use by qualified personnel only Installation and Configuration Dimensions of the Mounting Brackets The dimensions of the mounting brackets are as shown in figure below 23 6in 599 4mm _ a 2 398 7mm lt 2 co 401 3mm I
111. r PV installation with homogeneous panel orientation and symmetrical string sizes The single MPPT configuration permits only one PV input circuit Both the MPPT trackers are wired and operate in parallel The MPPT parallel option is applicable for all the models For more information on selecting the MPPT refer Figure 3 3 on page 3 7 2 36 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Planning and Wiring To operate the inverter in single MPPT mode 1 Connect the MPPT shorting terminal block by means of a solid copper jumper provided with the wiring box accessory kit to parallel the MPPT trackers 2 Install the jumpers between the two channels positive and negative and ensure for proper slide in connection to avoid arcing Figure 2 35 MPPT Shorting Connector and Jumper arrangement PV1 and PV2 Connect these two terminal blocks with a jumper to parallel the NEGATIVE MPPTs PV1 and PV2 Connect these two terminal blocks with a jumper to parallel the POSITIVE MPPTs You can change the MPPT configuration anytime later after the First time power up using the Install Settings menu hlp Settings A Password Install Pg 1 2 O Install Pg 2 2 General Settings Aa Revert to FPU Comm Settings gt Grid Setting m Wiring Box 5 Custom Datalog py inediaton Multi Func Relay 0 Install Settings Esc Ri veneer 1 3 Press
112. rogress The inverter will boot up and complete the power on self test routine On successful completion of normal power up the LCD screen displays a daily overview of energy produced Quick view 3 8 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Navigating the LCD Menus and Screens Quick view The home page now displays the e Energy harvested today e Status of the inverter for example On Grid e oday s power curve ONLINE PV UP NO FAULT Kwh Today 65 kWh 9 3 6 12 18 hr Figure 3 6 Quick view 990 5058A 001 Rev 02 3 9 This manual is for use by qualified personnel only Operation Menu Structure The following Figure 3 7 to Figure 3 12 shows the menu structure and navigation flow for accessing the different inverter settings and logs e Schneider ES Electric Any Button Press INITIALIZING after Display Timeout HOME Home ONLINE PV UP NO FAULT Today 43 5 kWh kWh Power Meter 15 Energy Log 10 5 Event Log 0 6 12 18 hr Home amp gt DC Input 1 3 lt gt AC Power 2 3 lt gt AC Power 3 3 QD QuickView 0K P KW V V I A P KW V V I A Active 18 3 P 82 551 149 L L1 51 2770 18 40 D ee e eae Wee le oo ae Apparent 18 3 kVA lol Energy Log L3 54 2770 1840 Reactive 0 0 kVAR lt lt lt Sy Event Log Esc TOTAL 16414W TOTAL 15 3KW PWR Factor 1 000 PF y 5 15 4KV
113. rsonal injury if the instructions are not followed A A DANGER DANGER indicates an imminently hazardous situation which if not avoided will result in death or serious injury A WARNING WARNING indicates a potentially hazardous situation which if not avoided can result in death or serious injury A CAUTION CAUTION indicates a potentially hazardous situation which if not avoided can result in moderate or minor injury 990 5058A 001 Rev 02 ix This manual is for use by qualified personnel only Safety NOTICE NOTICE is used to address practices not related to physical injury The safety alert symbol shall not be used with this signal word Safety Information e Before using the inverter read all instructions and cautionary markings on the unit and all appropriate sections of this manual e Use of accessories not recommended or sold by the manufacturer may result in a risk of fire electric shock or injury to persons e The inverter is designed to be permanently connected to your AC and DC electrical systems The manufacturer recommends that all wiring be done by a certified technician or electrician to ensure adherence to the local and national electrical codes applicable in your jurisdiction e Do not operate the inverter if it is damaged in any way e This inverter excluding the wiring box does not have any user serviceable parts Do not disassemble the inverter except where noted for connecting
114. s OK to Update Bootloader SW After Pressing OK Please Wait for 5 seconds ORE A Password A MCLE Vv Press OK to submit e lt Maintenance Reboot System Update COMM BootLoader Update APPL SW from FTP Update APPL SW from USB Update CONTROL SW 2 3 gt Eso Press OK to Update Application SW 4 After Pressing OK Please Wait for 5 seconds A Password A v Press OK to submit pe lt Maintenance 2 3 gt Reboot System Update COMM BootLoader Update APPL SW from FTP Update APPL SW from USB Update CONTROL SW 4 Eso A Password aA WJEC v Press OK to submit Press OK to Update Application SW After Pressing OK Please Wait for 5 seconds ya lt Maintenance 2 3 gt Reboot System Update COMM BootLoader Update APPL SW from FTP Update APPL SW from USB Update CONTROL S je G Esc Press OK to Update CONTROL Software After Pressing OK System Reboot to update SW ORE A Password a MCLE Vv Press OK to submit Bt Figure 3 14 Menu structure 8 lt Maintenance 3 3 Low Pow Clr Lim1 Mins Low Pow Clr Lim2 Mins 1 Low Pow Clr Lim3 Mins 1 Low Pow Clr Lim4 Mins 20 APS Enable APS Max Count 1 5 0 5 1 This manual is for use by quali
115. sary precautions for personal as well as equipment safety while lifting to avoid any mishandling and physical injury Do not attempt to lift multiple inverters together Package Inspection 1 Check the wiring box and the inverter for damage during shipping If it is damaged beyond cosmetic damage contact Schneider Electric 2 Check the nameplate label on the wiring box and the inverter for correctness of the model ordered see Figure 2 2 and Figure 2 5 3 Fill in Information About Your System on page D 1 Wiring box Scope of delivery While unpacking the wiring box verify that the package includes all the items as listed in the table below 2 2 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Package Inspection E F G H T Figure 2 1 Packing list Wiring box Table 2 1 Packing list Wiring box Item Description Quantity A Wiring box 1 B Wiring box mounting bracket 1 C Relay and RPO connector 1 D Modbus RC terminator RJ45 plug E Quick start guide 1 F MPPT shorting jumper 2 G Installation and Operation manual 1 H M8 screws 8 mm for fastening wiring box to the 4 bracket Silicone layer for LCD panel 1 Wiring box Nameplate The nameplate affixed to the wiring box provides the following information e Model name e Configuration e Enclosure type e Part number A typical nameplate is as shown below 990 5058A 001 Rev 02 2 3 This m
116. screen in the main menu Go to the next submenu item screen in the main menu OK Execute the selected menu item accept the changes or go to the next screen in a series of screens 990 5058A 001 Rev 02 3 5 This manual is for use by qualified personnel only Operation Navigating the LCD Menus and Screens First Time Power Up During first time power up the screen shows the Schneider Electric logo and a progress bar indicating the power up progress Schneider CONEXT CL BOOT 65 C gt Figure 3 2 Progress bar 1 To operate the inverter for the first time setup the following quick configuration settings Language Country selection Time zone Date time Wiring box selection MPPT selection Modbus selection 2 loset the Country and Wiring box selection enter the access password Password 1234 3 The system reboots after the settings are completed On subsequent Startups the inverter will follow the Normal Power Up sequence Note 3 6 Without completing the Country and Wiring box selection the first time power up will not progress further In case of any wrong settings or selection the user can restore the factory default settings from the Settings Install Settings menu By loading the factory default settings the inverter restores the default values Then repeat the first time power up procedure 990 5058A 001 Rev 02 This manual is for use by qualified personnel
117. scriptions Continued Event Code Definition Loss of cooling Description Fan Control circuit hardware failure has been detected Contact Schneider Electric customer service Ambient OT wrn The ambient temperature has crossed the nominal operating range and the unit starts to derate DC mod1 OT wrn The DC module temperature crossed the nominal operating limits and the unit starts to derate DC mod2 OT wrn The DC module2 temperature crossed the nominal operating limits The unit may start to derate and recover once the temperature reduces to a value less than the threshold value DC modi OT trip The DC Module1 over temperature is detected and the power output from PV1 channel is stopped The PV1 channel resumes power production once the temperature reduces to a value less than the threshold value DC mod2 OT trip 4656 PV1 UV wrn 4657 PV2 UV wrn 990 5058A 001 Rev 02 The DC Module2 Over temperature detected and power output from PV2 channel is stopped The PV2 channel resumes the power production once the temperature reduces to a value less than the threshold value The input PV voltage is lower than the nominal operating limits at the PV1 input terminal The input PV voltage is lower than the nominal operating limits at the PV2 input terminal This manual is for use by qualified personnel only Troubleshooting Table 4 1 Alert message descriptions Con
118. se contact your local Schneider Electric Sales Representative or visit our website at http solar schneider electric com tech support About This Manual Purpose Scope Audience 990 5058A 001 Rev 02 The purpose of this Installation and Operational Manual is to provide explanations and procedures for installation operation maintenance and troubleshooting information for the following inverter models Part Number PVSCL18NA100 PVSCL18NA200 PVSCL18NA201 PVSCL18NA300 PVSCL18NA301 PVSCL25NA100 PVSCL25NA200 PVSCL25NA201 PVSCL25NA300 PVSCL25NA301 The Manual provides safety information and guidelines detailed planning and setup information procedures for installing the Conext CL inverter as well as information about operating and troubleshooting the inverter It does not provide details about particular brands of photovoltaic panels For more information Description Conext CL 18000NA Outdoor Base Conext CL 18000NA Outdoor Essential Conext CL 18000NA Outdoor Essential plus Conext CL 18000NA Outdoor Optimum Conext CL 18000NA Outdoor Optimum plus Conext CL 25000NA Outdoor Base Conext CL 25000NA Outdoor Essential Conext CL 25000NA Outdoor Essential plus Conext CL 25000NA Outdoor Optimum Conext CL 25000NA Outdoor Optimum plus consult individual PV manufacturers The information in this document is intended for a qualified personnel who has training knowledge and experience in e Installing electrical equipment a
119. t measured on both the PV channels is higher than the rated values If the event persists contact Schneider Electric customer service 990 5058A 001 Rev 02 This manual is for use by qualified personnel only 990 5058A 001 Rev 02 Messages Table 4 1 Alert message descriptions Continued Event Code 2631 Definition PV UV err Description PV voltages on both the channels are lesser than the specified value lt 200 V 2646 264 RCMU err red RCMU error detected Excessive steady state residual current or sudden change in residual current The inverter resumes normal operation after sometime Wait for the inverter to resume power production 2647 RCMU err RCMU error detected by DC processor Excessive steady state residual current or sudden change in residual current The inverter resumes normal operation after sometime Wait for the inverter to resume power production 2648 Low Eff err The losses in the unit are higher than normal So efficiency is low Contact Schneider Electric 4 9 This manual is for use by qualified personnel only Troubleshooting Table 4 1 Alert message descriptions Continued Event Code Definition Description 7000 Comm Intenal Err An Internal Error is detected by Comm processor due to the following conditions e The hardware in the Communication board fails e Communication processor fails to communicate with the Contro
120. te A o Camoin Esc 2015 02 0903 12 40 CTRL DGAC Vaga Vv Manufacture Date 2014 11 05 COMM APPL Ver xx xx xx COMM BOOT Ver xx xx xx OTRE DOA Oe CTRL BOOT Ver xx x xx oto t Figure 3 8 Menu structure 2 990 5058A 001 Rev 02 3 11 This manual is for use by qualified personnel only Operation By Event Log i Ge Cc Home a lol Energy Log O Inverter Info 2 50 PM ble Settings General Settings Network Settings General Settings Name n 0K LCIS 192 168 131 63 Gat Comm Settings i en a eway 192 168 131 1 l Netmask 255 255 255 0 Custom DataLog A Date amp Time Install Settings A Ee Contrast 55 DHCP 0 Power Control A Backlight 10 Backlight Timeout s 300 Q ble Settings General Settings rise O O Comm Settings Modbus Settings Network Settings Baudrate 19200 Modbus Parity N AN versie Modbus StopBits 1 Custom DataLog lt Modbus RX Timeout 100 Install Settings Esc a Modbus Address 10 n Power Control A E0 TCP Port 502 a te af Settings FTP Settings gt lt FTP Settings General Settings ele Interval Data Format 0 omm Settings User Anonymous ast TxTS 0 Custom DataLog Install Settings A A A Dest DIR Pub Dest Addr ftp drivehq com Esc ERROR code 0 Pass no reply schneider electric com One
121. ter packaging label Nameplate The nameplate shown below is affixed to the inverter and provides the following information 990 5058A 001 Rev 02 2 0 This manual is for use by qualified personnel only Installation and Configuration e Model name e Part number e DC input data e AC output data e Certification A typical nameplate is as shown below in Figure 2 5 Speier Conext CL 25000 NA Three Phase Photovoltaic Grid Tie Inverter ag Max Input Voltage 1000V Max Array Short Circuit Current 36A PV MPPT Voltage Range Max Power 500 800V AC Nominal Output Voltage 480V 3p N AC Voltage Operating Range 422 528 V AC Nominal Output Frequency 60Hz AC Nominal Output Power 25kVA AC Max Continuous Output Current 31A Max Output Over Current Protection 39A Max Utility Back Feed Current OA Power Factor gt 0 995 Enclosure Type Type 3R Rear Portion Type 4 Electronics Operating Temperature Range 25 C to 60 C 13 F to 140 F Part Number PVSCL25NA UL 1741 p IEEE 1547 CSA 107 1 MC159409 C US Photovoltaic Transformer less Inverter All trademarks are owned by Schneider Electric Industries SAS or its affiliated companies www schneider electric com Made in India 885 6550B C1 Figure 2 5 Inverter nameplate label Model name DC input data AC output data ____ Part number Note Technical data in this manual is subject to change Always
122. the inverter by navigating through the LCD display 2 54 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Web Interface hlp Settings Comm Settings Network Settings General Settings 192 168 131 63 P gt Modbus Settings j Gateway 192 168 131 1 Custom Datalog A Netmask 255 255 255 0 Install Settings Esc DHCP 1 Power Control Figure 2 56 Checking the IP address Conext CL Laptop Figure 2 57 Web interface connection diagram 5 Open a web browser on your laptop or tablet and type the IP address displayed on the LCD display The web browser now loads and displays the Conext CL login web page In the login page select the preferred language 7 Login using the user name and password e The default user name is owner e The default password is conextcl On successful login the Conext CL dashboard is displayed as shown below 990 5058A 001 Rev 02 2 55 This manual is for use by qualified personnel only Installation and Configuration Xp il C D 192 168 1 117 main html 3 MONEY SAVED ENERGY TOTAL 928 TOTAL 928 2 kWh TODAY 67 Topay 67 9 kWh Big C02 SAVED ONLINE TOTAL 929 kg ToraL 45 18 Hrs TODAY 67 kg Topay 6 48 Hrs 3 ONLINE PV TOTAL 9889 W PV 1 4 9 KW PV 2 4 9 KW ConextCL Sn 2ZX1419018749 POWER 10 0 KW FREQUENCY 50 0 Hz Figure 2 58 Web interface dashboard scree
123. tinued Event Code Definition Description 4660 AC mod OT wrn The temperature on the AC module has crossed the normal operating limit and the unit starts to derate 4661 PV1 SPD service The SPD module connected on the PV1 input channel reached EOL and needs replacement Contact Schneider Electric customer service 4662 PV2 SPD service The SPD module connected on the PV2 input channel reached EOL and needs replacement Contact Schneider Electric customer service 4663 AC SPD service The SPD module connected on the AC output channel reached EOL and needs replacement Contact Schneider Electric customer service 4700 Low power wrn The input PV power is low The unit does not go online and recovers when sufficient input power is available 4 14 990 5058A 001 Rev 02 This manual is for use by qualified personnel only 990 5058A 001 Rev 02 Maintenance Chapter 5 Maintenance contains information and procedures for performing preventive maintenance on the inverter and the wiring box 5 1 This manual is for use by qualified personnel only Maintenance Periodic Maintenance 5 2 The term qualified personnel is defined in page iii of this manual Personnel must be equipped with appropriate PPE and follow the safe electrical work practices The inverter is energized from the AC grid and up to four PV circuits Before servicing the inverter or accessing the wiring box disconnect all th
124. tions Continued 3 phase 4 wire wye Frequency Hertz 60 Frequency range Hertz 3 adjustable Start up Current Ampere O Maximum output current Ampere 24 31 Maximum output short Ampere 40 A rms for 100 msec Circuit current Total harmonic distortion Percentage lt 3 rated power Power factor gt 0 99 full power Adjustable 0 8 capacitive to 0 8 inductive AC connection type Bottom and side conduit cable entry Spring cage clamp connector Grid monitoring AC voltage AC frequency and anti islanding protection Output characteristics Current source Output current waveform Sine wave Efficiency Peak 98 0 98 4 CEC 97 5 98 0 General Specifications Power consumption night Watts lt 3 time Enclosure Rating TYPE 4 electronics TYPE 3R rear side Cooling Fan cooled Inverter weight lb kg 119 54 Inverter shipping weight lb kg 200 91 With Pallet Wiring Box weight lb kg 33 15 Wiring Box shipping lb kg 59 27 weight Inverter dimensions in mm 28 1 x 26 5 x 10 5 714 x 674 x 268 H x W x D 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Specifications Table A 1 System specifications Continued Wiring Box dimensions in mm 14 2 x 26 5 x 10 5 361 x 674 x 268 H x W x D Inverter shipping in mm 216 5 x 472 4 x 314 9 5500 x 12000 x 8000 dimensions With Pallet H x
125. ubleshooting Table 4 1 Alert message descriptions Continued Event Code 0705 Definition PV I P reversed Description PV input wiring reversed Have a qualified installer check the PV input wiring correct the wiring connections and restart the unit 0708 RCMU flt red The Earth Leakage current is greater than the limited value It is checked for repeated occurrence If the repetition occurs more than four times then this fault occurs Check whether the insulation between the PV to ground is higher than the specified value If the event persists contact Schneider Electric customer service 0709 Arc flt The unit has detected an Arc fault condition For more details refer the Arc Fault Detection on page 2 53 If the fault occurs frequently contact Schneider Electric customer service 0710 Sys cfg Init flt The System configuration done by the user installer is incorrect Check and select proper configuration If the event persists contact Schneider Electric customer service 0711 Share sys cfg flt The internal configuration shared between processors is incorrect Disconnect both the AC and DC and restart the inverter If the event persists contact schneider Electric customer service 0712 4 4 AC int cfg flt The internal configuration is incorrect on the Control Processors Restart the unit If the event persists contact schn
126. version number in the display with the latest firmware version number If it matches follow step 9 or else step 8 Inverter Info gt lt APPL Info gt lt BOOT Info gt Inv S No 205196_217 gt ui We cs OMM BOOT Ver xx BOOT V aes suecioann COMM APPL Ver xx xx xx G CO Ver XX XX XX W box FGA PVSCL1825NA100 gt CTRL DCAC Ver xx xx xx gt OU a acon nemn TRL DCDC Ver xx xx Commission Date 2015 02 18 i CDC Ver xx xx xx Manufacture Date 2014 11 05 C lt lt Figure 5 11 Inverter Info 5 12 990 5058A 001 Rev 02 This manual is for use by qualified personnel only Firmware Upgrade process 8 Under Maintenance menu click Update Control SW 9 On successful completion of the upgrade process unplug the USB drive 10 Close the cover of the wiring box properly 11 In case of any event or failure in the upgrade process contact Schneider Electric Ethernet Webpages 1 Establish the connection as mentioned in Web Interface on page 2 55 2 Copy the latest firmware to the personal computer The latest version of firmware can be downloaded from solar schneider electric com The webpage dashboard screen is displayed as shown below e D 192 168 1 117 main html vt yt Schneider D A pie P Electric 3 MONEY SAVED Total Real Power ENERGY TOTAL 928 K gt TOTAL 928 2 kWh TODAY 67 Topay 67 9 kWh Xp y ii Big C02 SAVED ONLI
127. verter will boot up and complete the Power on Self test If the LCD displays any event message refer to the Troubleshooting on page 4 1 On successful completion of the Power on Self test follow the first time power up settings as described in First Time Power Up on page 3 6 After first time power up turn ON the DC disconnect switch For the switch location refer to the Figure 1 3 If there is sufficient sunlight the inverter will start producing power 12 13 Check the status of the indicator light LED refer to the Table 3 1 on page 3 4 The PV status LED should be green If the PV status LED is not green check whether e All the connections are correct e All the external disconnect switches are closed e The DC disconnect switch on the inverter is in the ON position The DC disconnect switch is not part of the Base model For more details on Configuration settings refer to the Appendix B Descriptions of LCD Information 3 2 990 5058A 001 Rev 02 This manual is for use by qualified personnel only LCD and Control Panel LCD and Control Panel The inverter has an LCD control panel as shown in Figure 3 1 The location is shown in Figure 1 4 on page 1 5 e To navigate across the LCD menus use the five navigation buttons shown below in Figure 3 1 on page 3 3 e To view the Main menu press the Home button e To escape from any of the sub menus to the main menu press the ESC
128. vice messages that might be displayed on the LCD of the Inverter and the recommended solutions This manual is for use by qualified personnel only Troubleshooting Messages The inverter indicates events warnings on the display during any abnormal operating conditions Table 4 1 describes alert messages that might be displayed on the LCD of the inverter Note The Event code in the below table refers to the alert code that can be read through the Modbus communications Table 4 1 Alert message descriptions Event Code Services 10 Definition AC relay flt Description Line Tie relay is either welded or opened If the event persists contact schneider Electric customer service 0031 AC curr snsr flt The Grid Current Sensor is not measuring the grid current accurately If the event persists contact Schneider Electric customer service 0032 AC temp snsr flt The AC Module temperature is either very high or low If the event persists contact schneider Electric customer service 0033 DC temp snsr fit The DC Module temperature is either very high or low If the event persists contact Schneider Electric customer service 0047 AC volt snsr flt The Grid voltage sensor fails to measure the voltage accurately Reset the unit by turning off the DC disconnect If the event persists contact Schneider Electric customer service 0131 4 2 Low Eff flt The
129. w these instructions will result in death or serious injury Earthing Terminal The use of an earthing terminal depends on the local installation codes It is recommended to use this terminal for effective earthing means It can be used to connect the PV metalwork to earth or to provide a second protective ground connection for the inverter chassis as required by some countries It is the responsibility of the installer to determine proper use of this terminal Note e tis recommended to e follow the local installation codes for earthing conductor size selection e use M6 lug for crimping e The DC input and AC output circuits are isolated from the enclosure and that system grounding if required by Sections 690 40 and 690 42 of the National Electric Code ANSI NFPA 70 is the responsibility of the installer Use at least a minimum of 8 AWG 8 mm copper earthing conductor e The selected cable should be rated for 194 F 90 C minimum A WARNING HAZARD OF ELECTRIC SHOCK If the PV metal work grounding is done at the inverter removal of the inverter from the wiring box or disconnection of the AC plug from the inverter will leave the PV metal work ungrounded in these cases provide suitable temporary additional grounding Failure to follow these instructions can result in death or serious injury 990 5058A 001 Rev 02 2 43 This manual is for use by qualified personnel only Installation and Configuration Earthin
130. wiring and cabling See your warranty for instructions on obtaining service Attempting to service the unit yourself may result in a risk of electrical shock or fire Internal capacitors remain charged after all power is disconnected e To reduce the risk of electrical shock isolate both AC and DC power from the inverter before attempting any maintenance or cleaning or working on any components connected to the inverter Putting the unit in Standby mode will not reduce this risk e The inverter must be provided with an equipment grounding conductor connected to the AC input ground e Remove personal metal items such as rings bracelets necklaces and watches when working with electrical equipment e The Conext CL inverter is energized from two sources PV array while exposed to sunlight and AC grid Before opening the cover for servicing check the system diagram to identify all the sources de energize lock out and tag out and wait for at least five minutes for the internal capacitors to discharge completely It may be noted that lock out and tag out instructions does not hold good during firmware upgrade as either AC grid supply or DC power supply is required to upgrade the firmware e The Conext CL inverter employs field adjustable voltage and frequency set points and time delays that are factory set in compliance with local utility and safety requirements This can be changed only by qualified personnel with approval by both the local
131. with appropriate PPE and follow standard electrical work practices The inverter is energized from the AC grid and up to eight PV circuits on the DC side Before servicing the inverter or accessing the wiring box isolate all the sources and wait at least five minutes to allow internal circuits to discharge Ensure that all the components inside the wiring box have attained safe temperature before accessing the internal components Operating the RPO Remote Power Off circuit or switching off the DC disconnect does not remove the DC and AC power from the inverter The internal parts and the external wiring remain live unless the PV and AC circuits are physically isolated xi This manual is for use by qualified personnel only Safety A A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION AND ARC FLASH FROM MULTIPLE SOURCES Apply appropriate personal protective equipment PPE and follow safe electrical work practices See NFPA 70E or CSA 2462 This equipment must only be installed and serviced by qualified electrical personnel Never operate energized with covers removed The Conext Inverter is energized from two sources Before opening cover disconnect all sources of power and then wait at least five minutes for internal capacitors to discharge Always use a properly rated voltage sensing device to confirm power is off Replace all devices doors and covers before turning on power to this equipment Failure to follow these instructi
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