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PVI 36TL Installation and Operation Manual

1. Figure 2 29 a AC Output and Ground Cable Connections DOCR 070588 A Page 37 of 107 PVI Series Inverters PVI 36TL Installation and Operation Manual i 6 COMM PORT YO a A Figure 2 29 b AC Output and Ground Cable Connections Y 7 gt Pre insulated end ferrule See Apes i Pre insulated end ferrule Core wire Figure 2 30 AC Output and Ground Cable Set Up 1 Connect the AC L1 L2 L3 cables to the terminal block and use the OT type terminal to connect the ground cable to the internal grounding stud inside the wiring box see the 2 graph in Figure 2 27 Set up the cables referring to Figure 2 29 Page 38 of 107 DOCR 070588 A PVI 36TL Installation and Operation Manual PVI Series Inverters Pre insulated end ferrule 3pcs vA ee JE OT type terminal 1pcs ee Core wire Pre insulated end ferrule i TS Core wire OT type terminal Figure 2 31 AC Output and Ground Cable Set Up 2 Connect the
2. No gt NoError 1 St2010 12 15 20 50 Yes SPI Error __________________ 2 Ed2010 12 15 20 59 SPI Error 1 HistErr i 2 OP Pedi Pls inputdate lepay 123 5KWh 3 History gt 3 Version 2 gt 12 15 gia rial 4 TotalTag ay DSPVer 0 01 LCDVer 0 01 Serial No 10731220003 TotalTag KWh a ae 2123 5 Figure 4 11 History Menu and Submenu DOCR 070588 A Page 66 of 107 PVI 36TL Installation and Operation Manual 4 4 4 System Configuration PVI Series Inverters Move the cursor to 4 Setting in the main interface Press ENT to enter the password UP gt DOWN gt UP gt DOWN Press ENT to confirm and set the current system parameters as shown in Figure 5 12 There are 7 submenus in 4 Setting 1 ON OFF 2 Language 3 Buzzer 4 SysTime 5 Commun 6 OtherCmd and 7 NetConfig 4 Setting 1 ON OFF 2 Language 3 Buzzer 4 SysTime 5 Commun 6 OtherCmd 7 NetConfig ON OFF ON State pE Francaise Italiano English Deutsch EnglishVer EnglishVer EnglishVer KeyBeep Enabled AlarmBeep Disabled 4 2015 04 15 09 14 Address 2 BaudRate 3 1 2400 2 4800 3 9600 419200 y AFClOption IPAddr 10 Disable 122 AFCIFaultClear 1 123 MPPTOption
3. When interfacing with a Wye grounded transformer winding a neutral is required Since the neutral is used by the inverter for voltage sensing the neutral does not carry full load amps The size of the neutral may be reduced to a conductor no smaller than the EGC When installing multiple inverters for parallel operation connected to a single transformer the KVA rating of the transformer must be at least 5 greater than the total inverter kVA rating that feed the transformer Up to 70 inverters may be connected in parallel for use with a single transformer DOCR 070588 A Page 40 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 2 4 Inverter Communication Connections The PVI 36TL inverters support industry standard Modbus RS 485 communications Tr 5 fo Og T oaen n 3 olo 8 e om g Figure 2 32 Communication LCD and Component Locations Inside the Wiring Box DOCR 070588 A Page 41 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Item Picture Configuration description 1 P205 Dry Contact Communication Port 3 Pin Connector Please see section 2 4 3 Dry contact communication for more details N O N C COM 2 P207 U
4. Figure 2 16 Full View of Wiring Box with Options DOCR 070588 A Page 24 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 20 7in 525mm 19 1in 485mm 18 7in 475mm 14 8in 377mm 10 1in 257mm 5 4in 137mm 8 9 8 8 9 LO Figure 2 18 Internal Connection Points 1 Knockout for DC input cable 1 1 4inch 2 Knockout for AC output cable 1 1 4inch 3 Knockout for communication cable 3 4inch 4 External ground connection point 5 Side knockout for DC input cable 1 1 4inch 6 Side knockout for AC output cable 1 1 4inch 7 Side knockout for communication cable gt 3 4inch 8 DC fuse holder 9 Internal ground connection point and grounding studs 10 AC output terminal block DOCR 070588 A Page 25 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Choose the cables for inverters according to the following configuration table Table 2 3 Cable Specifications Position Cable DC input DC cables specifications refer to Table3 6 6 1AWG Copper 6AWG AC output 4 1AWG Aluminum recommended Copper L1 L2 L3 N 4AWG recommended Aluminum 10 6AWG Copper 8AWG recommended E Copper RS 485 UTP CAT 5e or 3x 22 18AWG communication cable eg communication Belden 3106A DC GROUND Even though the inverter operates with an ungrounded PV arr
5. _ Shield SolrenView t extension Data Logger Figure 2 41 SolrenView Data Logger Installed Inside the PVI 36TL Wiring Box Notice how the Modbus cable shield is grounded by extending the Modbus cable shield with a wire and connecting it to the inverter chassis GND terminal The external Modbus cable is connected to P208 sharing the RS 485 connections with the SolrenView data logger DOCR 070588 A Page 52 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 7 Follow steps 5 through 8 in section 2 4 1 Modbus RS 485 Network Connections with External Monitoring Systems to connect other inverters in the daisy chain Warning Risk of Electric Shock Make sure all shield wires are properly secured and insulated to prevent shorting to any other components inside the inverter Configuring the SolrenView Logger The SolrenView logger should be connected to an active router firewall and inverters before the inverter containing the SolrenView logger is turned on The SolrenView Logger will go through self initialization TCP IP DHCP discovery and inverter Modbus device discovery when it turns on To verify that the SolrenView logger has discovered all the inverters in the daisy chain navigate the SolrenView data logger menu to the Inverters menu item by pressing the ENTER key All the discovered inverters should be listed by Modbus ID and serial numbers on the LCD DOCR 070588 A Page 53 of 107 PVI
6. PowerFactor can be adjusted remotely by software 4 4 6 System Protection Parameters Setup Press DOWN and ENT at the same time in the main interface and enter the password UP gt DOWN gt UP gt DOWN to access the system protection parameters setup menu This menu includes 6 submenus 1 SysPara 2 Restart 3 Recover 4 ClrErrRecd and 5 Stdset as shown in Figure 4 14 DOCR 070588 A Page 69 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 1 GridVProtect 2 GridFProtect 3 ON OFF 4 PowerContr 5 LVRTSet 6 OtherProtect Pls Input Pwd 1 SysPara kiiij 2 Restart 3 Recover Are You Sure 4 ClrErrRecd_ j 5 StdSet EENEN Pwd Enor Initialization Pls Input Again Wrong Pwd Restarting Recovering FaultOperated Success Success Success ClearErrors Failure I P Failure Failure Success Failure FaultOperated 1 VDE0126 1 1 2 VDE4105 3 G59 4 C1011 5 CEI_021 6 IEEE1547 7 BDEW Figure 4 14 System Protection Parameter Configuration 1 The system protection parameters of each grid standard can be set up in 1 SysPara menu Please refer to Section 4 4 7 2 2 Restart menu If a fault shu
7. e When connected to an external Data Acquisition System DAS Solectria PVI 36TL inverters support up to 32 inverters devices on the Modbus RS 485 daisy chain The Inverter Modbus IDs are configurable from 1 to 128 e Solectria recommends that the Modbus RS 485 daisy chain for PVI 36TL inverters is limited to a maximum length of 1600 ft 500m e Care must be taken when daisy chaining the inverters as shown above utilizing a Shielded Twisted Pair Modbus cable such as Belden 9841 e The shield continuity should be maintained for the entire length of the daisy chain and should only be connected to ground GND at the Data Acquisition System DAS The shield should not be connected to any of the inverters to prevent any possible ground loops e Itis important to terminate the Modbus RS 485 bus correctly to minimize any noise and reflections The bus should be terminated at the source the DAS and at the last Modbus device in the daisy chain typically an inverter The PVI 36TL Modbus termination is turned on by flipping switch S402 to the ON position as shown in Figure DOCR 070588 A Page 43 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 3 35 S402 should always be left in the off position except for the last inverter in the daisy chain e Star or T Modbus RS 485 network topologies should always be avoided See Figure 2 34 gt gt a Incorrect a Correct ER T b Incorrect b Corr
8. 6 There are 5 submenus in the 6 other Cmd menu 1 Arcing check and protection is mainly divided into two parts the Arcing check board is responsible for whether there is Arcing in line and transfer Arcing protection signal to the DSP in the control board The control board DSP is responsible for the control of inverter off the grid after receiving Arcing signal to ensure safety The Arcing board failure will cause arc board err shown on the LCD and it will not connect to the grid until the arc board is OK If there is Arc fault the LCDs the fault which can only be cleared manually ARCOption is used to enable disable the ARC function Press ENT and use UP and DOWN to enable disable the ARC function and press ENT to confirm the setting 2 ARCFaultClear is used to clear the Arc fault Move the cursor to this menu and press ENT The operation result will appear on the LCD ie Succeed or Failed 3 MPPT scan function is effective if 1 In parallel mode the total input power is lower than 90 of the active power in parallel mode 2 In Independant mode each input power is lower than 75 of the rating power of each MPPT tracker Once this MPPT scan function is set on LCD it will search the maximum power point at a voltage step of 5V in the MPPT range for full load and get the maximum power point MPPTOption is used to enable the MPPT Scan Move the cursor to this item press ENT to set up
9. ARCFaultClear command to clear ARC Protect fault alarm and LCD will show Succeed if the fault is successfully cleared as shown in Figure 4 21 DOCR 070588 A Page 77 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters AFC lOperation Enable ARCFaultClear Succeed Figure 4 21 Manually Clear ARC Protect Fault DOCR 070588 A Page 78 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 5 0 Operation 5 1 Start up Manual Start up Manual start up is required after regulation setting or manual fault shut down Move the cursor from the main operation interface to 4 Setting Press ENT and go to submenu 1 ON OFF Then move the cursor to ON and press ENT to start the inverter Then the inverter will start up and operate normally if the start up conditions are met Otherwise the inverter will go to stand by mode Automatic Start up The inverter will start up automatically when the output voltage and power of PV arrays meet the set values AC power grid is normal and the ambient temperature is within allowable operating range 5 2 Shutdown Manual Shutdown Normally it is not necessary to shutdown the inverter but it can be shut down manually if regulation setting or maintenance is required Move the cursor from the main operation interface to 4 Setting Press ENT and go to submenu 1 ON OFF Move the cursor to OFF and press
10. Lifting eye nut M10 2 For lifting the main section 7 OT type terminal 2 For ground connection Pre insulated end 8 ferrule for AC side 5 For AC output cables 1 spare part 4 AWG Pre insulated end 9 ferrule for grounding 8 For AC ground cables 8AWG Pre insulated end 10 ferrule for DC side 20 For DC input cables 4 spare parts DOCR 070588 A Page 11 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 11 RJ45 connecter 4 a Ethernet communication 12 5 pin connector 1 For RS 485 communication 13 3 pin connector 1 For dry contact communication 14 Jumper busbar 2 For parallel mode use INSTRUCTION The items in the accessory kit table above are for the standard configuration The accessories may vary if optional parts are purchased 2 1 Recommendations before Installation v Check that the product environmental specifications protection degree operating temperature range humidity and altitude etc meet the requirements of the specific project location v Make sure that the AC grid voltage is within the normal range v Ensure that the local electricity supply authority has granted permission to connect to the grid v Installation personnel must be qualified electricians or people who have received professional training v Sufficient space according to Figure 2 3 should be provided to allow the inverter cooling system to operate normally v Instal
11. RS 485 Modbus Optional Ethernet TCP IP card Communication Mechanical Data Dimensions WxHxD 23 6x39 4x9 1in 600x1000x230mm Weight 145lbs 66kg main section amp inverter Orientation 15 90 degrees from horizontal Safety PV Arc Fault Circuit Protection Safety and EMC UL1741 2010 CSA C22 2 NO 107 1 01 IEEE1547 Standard FCC PART15 Grid Standard IEEE1547 2003 IEEE1547 1 2006 Type 1 Note 1 When the DC input voltage is lower than 540V or higher than 800V the inverter begins derating as shown in Figure 7 1 DOCR 070588 A Page 94 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Pin Pn LOO PY 80 60 0 3 V 0 6 V 40 20 100 240 300 540 800 950 1000 PV Voltage V Figure 7 1 PVI 36TL Derating Curve of PV Input Voltage Note 2 When the ambient temperature is higher than 113 F 45 C the output power begins derating as shown in Figure 7 2 Po Pn A 100 80 60 o oo 40 20 M 113 F 140F Tamb 45C 60 C Figure 7 2 PVI 36TL Derating Curve with High Temperature DOCR 070588 A Page 95 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Note 3 When the altitude is higher than 9843ft 3000m the power of the inverter will start derating as shown in Figure 7 3 Po Pn Pin Pn 100 70 gt Altitude m Figure 7 3 PVI 36TL Deratin
12. Removing Replacing the Wire Box Cover 1 Use a 3 Phillips screwdriver to remove the 4 screws on the wiring box and pull cover straight off the box Do not twist or slide the cover while removing see Figure 2 15 DOCR 070588 A Page 22 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Figure 2 15 Removing the Wiring Box Cover 2 To replace the cover use a 3 Phillips screwdriver to replace the 4 screws on the cover INSTRUCTION It is important to use a hand tool e g Screwdriver or T handle 3 Phillips and not power drivers or other types of screw drivers Also it is important to hold the cover in alignment with balanced force across the cover not weighted toward any edge Partially engage all four screws to the threaded inserts a few rotations before tightening any one screw This is important to maintain alignment and avoid thread damage When all four screws are engaged torque to 20 in lbs 2 2Nm DOCR 070588 A Page 23 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 2 3 Electrical Installation The connection interface of PVI 36TL inverter BYPASS INPUT TERMINAL g o fo 5 B 4 A ii Ife JOC 1 2 3 4 IN2 U2 B N OUTPUT 8 o W 000000
13. 0620 Recommended solutions 1 Observe for 10 minutes and see whether the alarm will be eliminated automatically 2 Contact after sales service personnel Definition Internal fault of the inverter Possible causes Fault IntFault0010 0150 Fault occurs inside the inverter Recommended solutions 1The inverter can be forced to restart once if it is required by operation and if it is confirmed that there is no other problem 2 Contact after sales service personnel DANGER Please disconnect the inverter from AC grid and PV modules before opening the equipment Make sure hazardous high voltage and energy inside the equipment has been discharged Do not operate or maintain the inverter until at least 5 minutes after disconnecting all sources of DC and AC INSTRUCTION The actual display of PVVoltOver is PV1VoltOver or PV2VoltOver The actual display of PV Reverse is PV1Reverse or PV2Reverse 6 2 Product Maintenance 6 2 1 Check the Electrical Connection Check all the cable connections as a regular maintenance inspection every 6 months or once a year 1 Check the cable connections If loose please tighten all the cables referring to 2 3 Electrical Installation 2 Check for cable damage especially whether the cable surface is scratched or smooth Repair or replace the cables if necessary DOCR 070588 A Page 87 of 107 PVI 36TL Installation and Operation
14. 107 PVI 36TL Installation and Operation Manual PVI Series Inverters according to the indications of the LCD 1 The LCD interface starts with the company logo once the system is energized as shown in Figure 4 2 Figure 4 2 Logo Screen 2 Indication of inverter operation mode Sys Checking gt gt gt gt gt gt Figure 4 3 Inverter System Check Ongoing Standby gt gt gt gt gt gt Figure 4 4 Inverter System in Standby Mode 08 12 13 10 05 08 12 13 10 10 a b Figure 4 5 Default Display Interface for Normal Operation DOCR 070588 A Page 62 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters GridV OutLim Figure 4 6 Fault Indication Interface LCD will display different mode interfaces based on the operation modes of the inverter There are four operation modes startup system check mode as shown in Figure 4 3 stand by mode as shown in Figure 4 4 normal operation mode as shown in Figure 4 5 the switching time between a and b is 5 seconds and fault mode as shown in Figure 4 6 The default indication interface mainly indicates PV voltage PV current grid voltage instant power daily generated power and time information under normal operation The fault information of the most recent current fault will be indicated on the LCD when the inverter is in fault mode 4 4 Menu functions LCD displays default
15. 2 Grounding is abnormal 3 Internal inverter fault Recommended solutions 1 Observe for 10 minutes and see whether the alarm will be eliminated automatically 2 Detect whether the electrical connection is abnormal 3 Contact after sales service personnel Definition Insulation impedance of PV positive to ground or PV negative to ground exceeds the specified range Possible causes Air humidity is high Recommended solutions 1 Observe for 10 minutes and see whether the alarm will be eliminated automatically 2 Check insulation of PV system 3 Contact after sales service personnel Definition Arc fault Possible causes Protection actions of ARC board Recommended solutions 1 Use ARCFaultClear to clear the Arc fault Refer to section 5 4 4 2 Check if there is an arc in PV input or the connection of PV cable is not good 2 Contact after sales service personnel Definition Arcboard error Possible causes Poor contact or damage of Arcboard DOCR 070588 A Recommended solutions 1 Check whether the Arcboard is in good condition 2 Use ARCFaultClear to clear the Arc fault Refer to section 5 4 4 3 Contact after sales service personnel Page 86 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Definition Internal protection of the inverter Possible causes 10 IntProtect0010 Protection procedure occurs inside the inverter
16. 3 SolrenView Monitoring Installed Inside Wiring Box 8 3 Shade Cover OPT SHADECOVER PVI 23 28 is specifically designed for inverters mounted at a 15 degree tilt angle It protects the inverter from harsh weather and direct sunlight extremely hot temperatures while reducing thermal gain on the inverter and increasing energy production PVEL now part of BEW DNV Kema performed field testing of the shade cover temperature effects of the inverter case temperatures The normalized data analysis showed 2 15 less temperature rise on the inverter case temperatures Front Back and Top temp rise was 6 4 15 lower with the Shade cover as shown in table on the next page DOCR 070588 A Page 98 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Inverter1 Measurement Location Top East West Front Back Bottom Without Shade Plate 198 153 1 71 1 54 1 47 1 26 Tcase T ambient Shade Pare oninvertets 1 67 147 a66 145 141 1 23 Tcase T ambient Percent Difference Shade Plate Without Shade Plate 15 65 3 36 3 01 6 26 4 20 2 34 Table 8 1 Normalized to Measure Ambient Temperatures Case Temperatures at Various Locations on the Inverter _ wa Install bottom bracket as shown Screws M6x18 4 pcs Torque to 25 in lbs DOCR 070588 A Page 99 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Install top brack
17. 36TL Installation and Operation Manual PVI Series Inverters 2 4 3 Dry Contact Communication The inverter features an alarm function that opens or closes a dry contact on the communication board available both as contact normally open N O and as contact normally closed N C as shown below N O N C COM Figure 2 34 Dry Contact Communication Port The voltage and current rating of the dry contact shown in the following table must not be exceeded under any circumstances Table 2 11 Dry Contact Rating Different modes of dry contact output can be accessed by connecting different pins of the P205 connector as shown in following table Table 2 12 Working Modes of Dry Contact Dry contact communication port tatus in fault condition Status without fault condition DOCR 070588 A Page 54 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Connection Plan You can connect a LED or other loads to indicate the operational status of the inverter as shown in the following figure rL N or L N 2 a 0 O Line circuit Breaker 3 A Line circuit Breaker 3 A COM COM NC gt Ia NO COM a In operation o i i i l COM A gt 2 In operation Light on in trouble free operational Light on in error Figure 2 35 Dry Contact Communication Schematic
18. A aA ER O TS 98 8 4 AC amp DC Disconnect COvers eee cecceeceeeeeeeeeteaeceeeeeeeeeenteaeeeeees 101 9 0 APPeNdiCeS sicceeciececdedeticceteiececbedceteceeccecacdedctaceetesatacbeddazeses 102 Appendix A Instruction of Inverter Selection cccceseeeeees 102 Appendix B PVI 36TL Datasheet cccccsccssssceceeecsssessaeeeeees 106 Appendix C String Sizing TOOl ccccccccccsssssssssceceessessesssaeeeeees 106 Appendix D Contact Information cccccccccsssseceeessssesssaeeeeees 106 Appendix E Authorized Distributors cccscccccceesssesssteeeeees 106 Appendix F UL 1741 UL 1699B IEEE 1547 CSA 22 2 107 1 Authorization to Mark ccecccccssssecesseeeceeseeeecesseeeeesseeeaeeseeenaees 107 DOCR 070588 A Page 6 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 1 0 Overview 1 1 Inverter for Grid Tied PV Systems The PVI 36TL inverter is suitable for use for commercial and large scale PV grid tied systems A system is generally made up of PV modules DC power distribution equipment PV inverter and AC power distribution equipment Figure 1 1 The inverter converts DC from PV modules to AC with the same frequency and phase as the AC grid All or part of the AC power is supplied to local loads and the surplus power is supplied to the electricity grid DC power AC power Bidirectional distribution distribution electric meter g
19. Manual PVI Series Inverters 6 2 2 Clean the Air Vent Filter The inverter can become hot during normal operation It uses built in cooling fans to provide sufficient air flow to help in heat dissipation Check the air vent regularly to make sure it is not blocked and clean the vent with soft brush or vacuum cleaner if necessary 6 2 3 Replace Cooling Fans If the internal temperature of the inverter is too high or abnormal noise is heard assuming the air vent is not blocked and is clean it may be necessary to replace the external fans Please refer to Figure 6 1 for replacing the cooling fans 1 Use a No 2 Phillips head screwdriver to take off the 10 screws on the fan tray 6 screws on the upper fan tray and 4 screws on the lower fan tray 2 Disconnect the waterproof cable connector from the cooling fan 3 Use a No 2 Phillips head screwdriver to take off the screws 4 Fix the new cooling fan on the fan tray and fasten the cable on the fan tray with cable ties Torque value 0 8 1N m 8 in lbs 5 Install the assembled fans back to the inverter Torque value 1 2N m 10 in Ibs DOCR 070588 A Page 88 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Figure 6 1 Replace Cooling Fans DOCR 070588 A Page 89 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters
20. degrees e Do NOT mount the inverter upside down Figure 2 2 Inverter Mounting DOCR 070588 A Page 14 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters NOTICE When the inverter is mounted at an angle lt 15 outdoor shade cover is recommended to be installed above the inverter to avoid direct sunlight 3 Installation Space Requirement see Figure 2 3 The distances between the inverters or the surrounding objects should meet the following conditions NOTICE The spacing between two adjacently mounted inverters should be 2500mm 19 7 inches Ensure that the air space around the inverter is well ventilated Vy 2300mm 11 8in 2500mm 2500mm 19 7in 19 7in apee Ar O A 2600mm 23 6in Jy Figure 2 3 Inverter Wall Mounting Specifications NOTICE The installation clearance between two inverters needs to be increased to 30 in when the ambient temperature is higher than 45 C DOCR 070588 A Page 15 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 11 8in i 300mm 14 8in i 300mm Figure 2 4 Inverter Pillar Mounting Specifications INSTRUCTION If the inverter is installed on Unistrut or the array racking instead of solid wall the space from the bottom of one inverter to the top
21. for the last inverter in the daisy chain Note that switch S403 to the left of S402 not used and stays in the OFF position Figure 2 35 The Modbus RS485 Termination Switch S402 Location and Settings on the LCD Communication Board DOCR 070588 A Page 45 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Figure 2 36 The above image shows the Modbus RS 485 cable connection where the Modbus daisy chain ends Notice how the cable shield is not landed inside the inverter The Modbus termination switch S402 is in the on position 5 IMPORTANT The cable shield should only be connected to ground GND at the external DAS Do not connect the shield to any of the inverters DOCR 070588 A Page 46 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters The cable Shield is E connected together and not landed inside the inverter Figure 2 37 Notice how the cable shield is daisy chained together and not landed inside the inverter S402 is in the OFF position or down towards the Phoenix connector when the inverter is in the middle of the daisy chain Warning Risk of Electric Shock Make sure all shield wires are properly secured and insulated to prevent shorting to any other components inside the inverter 6 Close the wiring box 7 Reconnect AC and DC power and turn the inverter on when it is safe 8 Configure the Inverter Modbus ID and Baud rate DOCR
22. the IEEE 1547 grid standard 4 6 OtherProtect menu set up the threshold value of leakage current and output DC component protection Table 4 6 Protection Parameters of Leakage Current and Output DC Component ain Setup range lower limit default amp Parameter name Description a upper limit Leak t LeakCurMax mA PE 300 300 500 Max limit DC t ees 216 216 500 current Max limit IdcMax mA UL 1741 ground fault requirements 4 4 8 Arc Fault Current Interruption PVI 36TL is embedded with Type 1 DC arcing fault current detection device which stops the inverter from working when arcing fault current is detected on the DC side and shows ARC Protect on the LCD This fault can only be cleared by manual operation DOCR 070588 A Page 76 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters ARC Protect Figure 4 18 ARC Protect Fault In the System Setting gt OtherCmd menu execute the AFCI Test the inverter will stop working and test AFCI When the test is over TestFinish will be displayed on the LCD if no fault is detected or AFCI Fault will be shown if a fault occurs as shown in Figure 4 20 MPPT Scan AFCI Test Testing Figure 4 19 AFCI Test MPPT Scan AFCI Test AFCI Fault TestFinish Figure 4 20 AFCI Test Result In the System Setting gt OtherCmd menu execute
23. to the customer provided Ethernet router firewall utilizing a Cat 5e or better Ethernet cable as shown in figure 2 38 The Ethernet cable length must be kept shorter than 328ft 100m to ensure trouble free communications Ethernet Power and RJ45 Connector Modbus RS 485 Connector Figure 2 39 SolrenView Data Logger Connections Connect the Ethernet cable to the RJ45 port on the SolrenView data logger before mounting it inside the wiring box Router Firewall Configuration The router firewall should not require any special configuration as most routers are already configured to support DHCP discovery and to allow outgoing traffic In case the router firewall is configured to restrict outgoing traffic an outgoing rule must be added to allow the logger to connect to the SolrenView Monitoring data servers DOCR 070588 A Page 49 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Connecting the Modbus RS 485 Network to the PVI 36TL Inverters with SolrenView Data Logger Warning Risk of Electric Shock A Make sure all DC and AC power to the unit has been disconnected before opening the inverter wiring box and make sure hazardous high voltage and energy inside the equipment has been discharged e The SolrenView data logger acts as the Modbus Master and can support up to 16 inverters on the Modbus RS 485 daisy chain utilizing Modbus IDs 1 through 16 If more than 16 inverters are required additional Solre
24. voltage of fuses should 1000V c The rated current of fuses is generally 1 56 x short circuit current from the PV strings rounded up to the next available fuse size The following table lists the fuse type specifications and number under the rated voltage and power range of 8 strings of PV panels Brand Standard fuses 20A 25A 30A iy SPFO15 SPFO20 SPFO25 SPFO30 Littelfuse 15A 1000V 20A 1000V 25A 1000V 30A 1000V Table 2 5 DC Fuse Selection Note 1 The 1000VDC Littelfuse KLKD fuse series are recommended The detailed information is available for customers to find and download from http www littelfuse com Note 2 The fuse holders can also accept a 20A SPFO20 25A SPFO25 and a 30A SPF030 fuse for combined input strings if needed Two 30A fuses should not be used next to each other Note Solectria doesn t provide these fuses but customer can replace with the appropriate fuse in field WARNING Use of different fuses or wrong sized fuses can cause damage to equipment or create un safe working conditions DOCR 070588 A Page 30 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 3 DC Cable Connection To ensure the optimum performance of the inverter please read the following guidelines before DC connection a Confirm the DC configuration referring to Table 2 5 and ensure that the maximum open circuit voltage of the PV modules is lower than 1000 VD
25. 00 59 30 60 00 FminTripT1 S Trip time of Level 1 Min grid 0 0 16 600 00 frequency Protection threshold value of Grid F Max2 Hz evel E anne 50 00 61 00 66 00 FmaxTripT2 S Trip time of Level 2 Max grid 0 0 05 600 00 frequency Protection threshold value of Grid F Min2 Hz ga E tenancy 45 00 57 00 60 00 FminTripT2 S Trip time of Level 2 Min grid 0 0 16 600 00 frequency GridEmaxRecT Hz Recovery threshold value of t49 00 60 40 66 00 Max grid frequency GridEminRecT Hz Recovery threshold value of 45 00 59 40 60 00 Min grid frequency GridFRecT S Recovery time of grid 0 300 00 600 00 frequency protection GridV Unbal Threshold value ofgrig 0 1 2 6 10 0 voltage unbalance 2 3 ON OFF menu Set up the start up and shut down control parameters Table 4 4 Start Up and Turn Off Control Parameters Parameter name Description setrup Tange lower limit default amp upper limit PVStartVol V PV start up voltage 300 0 330 0 400 0 Sfp ls thane DOCR 070588 A Page 72 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters SoftOffOption Soft turn off option Disable Disable Enable OffPStep KW S Turn off power step 0 01 2 16 2 88 IsoResis KOhm Isolation resistance 10 0 250 0 1000 0 GridReStep KW S Grid fault recovery step 0 01 0 05 2 88 3 4 PowerContr menu relative functions of active reactive power control and over frequ
26. 070588 A Page 47 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 2 4 2 Modbus RS 485 Network Connections with SolrenView Data Logger If the PVI 36TL inverters are ordered with SolrenView data monitoring services from the factory the SolrenView data logger is installed in the factory in one of the inverters This inverter should be installed as Inverter number 1 in the Modbus daisy chain as shown in Figure 2 38 Last Inverter 16 Inverter 2 Inverter 1 PRERA ZERRA SolrenView Logger is Factory Mounted inside the First Inverter Wiring Box Cat5e Customer Ethernet Cable Provided Ethernet Turn the Firewall Router termination 1 at switch 402 On Daisy Chain the cable shields Shielded Twisted Pair at the last Do not connect the shield to the Modbus RS 485 cable inverter inverter GND terminal except in the first inverter where the SolrenView Logger is installed Figure 2 38 Typical PVI 36TL Network Connections Utilizing SolrenView Data Logger For information how to install the SolrenView data logger inside the PVI 36TL inverter see the SolrenView Installation Guide for PVI 14 36TL Inverters DOCR 070580 A document available on the Solectria document website DOCR 070588 A Page 48 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Connecting the Ethernet Router Firewall to the SolrenView Data Logger The SolrenView Data logger is connected
27. 6 2 4 Replace the Inverter Please confirm the following things before replacing the inverter 1 The inverter is turned off 2 The DC switch of the inverter is turned to OFF position Then Replace the inverter according to the following steps a Unlock the padlock if it is installed on the inverter lt 8sss 2SSHSo9gg A SN Figure 6 2 Unlock the Padlock b Use a No 2 Phillips head screwdriver to unscrew the 2 screws on both sides of the inverter ales Wy Figure 6 3 Remove the Screws on Both Sides c Use a No 10 Hex wrench to remove the 4 screws between the main section and the wiring box Lift up the main section and disconnect from the wiring box DOCR 070588 A Page 90 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Figure 6 4 Disconnect the Main Section from the Wiring Box d Use a No 2 Phillips head screwdriver to remove the 2 screws on the left side of the wiring box and take off the cover board Put the board on the connector of wiring box Torque value 1 2N m 10 in Ibs QL p Figure 6 5 Install the Cover Board on the Connector of the Wiring Box DOCR 070588 A Page 91 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 6 3 Uninstalling the Inverter Uninstall the inverter ac
28. AC L1 L2 L3 cables to the terminal block and use the OT type terminal to connect the ground cable to the external grounding point at the bottom of the wiring box see the 3 graph in Figure 3 27 Set up the cables referring to Figure 2 30 Pre insulated end ferrule 3pcs yY IS E i Core wire Pre insulated end ferrule OCO 4 _CO Ground wire OT type terminal 2pcs Figure 2 31 AC Output and Ground Cable Set Up INSTRUCTION The attached pre insulated end ferrules match with the 6AWG cables If a different gauge is selected a different pre insulated end ferrule will need to be provided by the installers DOCR 070588 A Page 39 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 4 When the output of the inverter is connected to the grid an external AC circuit breaker is required to be installed to safely disconnect the inverter from the grid when overcurrent occurs 5 The Grid connection type could be optional which can be L1 L2 L3 N PE or L1 L2 L3 PE Either 3 pole or 4 pole AC circuit breaker should be selected as per the following specifications Table 2 9 AC Breaker Selection Selection Inverter AC breaker rated current A PVI 36TL 60 Acceptable Transformer Configurations Inverter side Grid Side Delta Wye grounded Delta Delta Wye grounded Delta Wye grounded Wye grounded
29. C under any conditions b Confirm that the PV strings for each MPPT of the inverter are of the same type and specification before connection The number orientation and tilt of PV strings may differ for different applications c Configure the external wiring according to the conditions in table 2 6 WARNING Working with live voltage is dangerous It is recommended to have all live circuits disabled prior to performing connections Table 2 6 DC Input Configuration DC Configuration Max DC Conductors Fuse Type Inputs Wire Size Torque 10 Using Y 4 AWG 30 in lbs PV Fuse connectors 9 Using a Y 4 AWG 30 in lbs PV Fuse connector 8 Standard use of 4 AWG 30 in lbs PV Fuse wiring box fuses 7 Standard use of 4 AWG 30 in lbs PV Fuse wiring box fuses 6 Standard use of 4 AWG 30 in lbs PV Fuse wiring box fuses 5 Standard use of 4 AWG 30 in lbs PV Fuse wiring box fuses 4 Standard use of 4 AWG 30 in lbs PV Fuse wiring box fuses 2 Use of Bypass 2 AWG 50 in lbs Bypass terminals terminals 1 Use of Bypass 2 AWG 50 in lbs Bypass terminal terminal DOCR 070588 A Page 31 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Consider combining MPPT zones for such configurations Use Inline fuses to adhere to module series fuse rating if necessary Note When using Y connectors to combine two strings you have to use a UL listed parts such as Amph
30. Diagram If you connect the contact port to the power distribution grid you must install an individual miniature circuit breaker between the dry contact and the power distribution grid Dry Contact Communication Cable Connection Warning If the unit is running turn off both disconnects and wait 5 minutes before performing any work a Remove the plugs from holes for suitable cable conduits of 3 4 inch b Put the dry contact communication cable through the cable conduit and inside the wiring box c Use double layer insulated cables Strip the cables according to the following requirements DOCR 070588 A Page 55 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Tool Wire stripping pliers D A Figure 2 36 Wire Stripping Table 2 13 Cable Set Up S E E d Connect wires to the terminal Tool 2 or 2 5mm flat screwdriver No Cable Color pi Red NO Figure 3 37 Wire Connection DOCR 070588 A Page 56 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters e Plug the cable terminal into the P205 connector Coon Figure 2 38 Dry Contact Communication Cable Connection DOCR 070588 A Page 57 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 3 0 Commissioning WARNING Please follow the guidelines below before on grid operation
31. ENT and then the inverter will be shut down Automatic Shutdown The inverter will be shut down automatically when the output voltage and power of PV modules are lower than the set values or AC power grid fails or the ambient temperature exceeds the normal range 5 3 Operation Mode There are 4 operation modes The following are corresponding indications for each mode 1 System check mode for startup as shown in Figure 5 1 Sys Checking gt gt gt gt gt gt Figure 5 1 System Self Check Ongoing This mode indicates that the inverter is checking whether it is ready for normal operation after the manual start up of inverter 2 Normal operation mode Default indication interface for normal operation is shown in Figure 5 2 a and 5 2 b The switching time between a and b is 5 seconds DOCR 070588 A Page 79 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters PVI PV2 30 ac BO se woo aowa ff ox soo ISLAY 80 2 kah S02 kwh 08 12 13 10 05 08 12 13 10 10 a b Figure 5 2 Default Indication Interface for Normal Operation In this mode the inverter converts the power generated by PV modules to AC continuously and feeds into the power grid 3 Standby mode as shown in Figure 6 3 The inverter will enter standby mode when the output voltage and power of PV modules do not meet the startup conditions or PV voltage and input power are lower th
32. I Series Inverters 4 4 2 Alarm As previously noted if a fault occurs during normal operation of the inverter corresponding fault messages will be indicated in 2 Alarm menu in addition to the sound and light alarms Move the cursor to 2 Alarm and press ENT to check out the specific fault information as shown in Figure 4 10 No 2 Alarm No Alarm EepromErr Yes Protect0010 Figure 4 10 Alarm Failure Information DOCR 070588 A Page 65 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 4 4 3 History Move the cursor to 3 History in the main interface Press ENT to check the history information as shown in Figure 4 11 There are 4 submenus in 3 History 1 HistErr 2 OP Recd 3 Version and 4 TotalTag 1 The error log can store up 100 fault messages in 1 HistErr menu 2 The last 21 days of operation history data is available to be checked in 2 OP Recd menu All variable names in the data comply with the content in 1 OP Info menu of the main interface The users can select the 2 OP Recd menu and review the last 21 days of operation 3 The DSP version LCD version and serial number of the product are listed in 3 Version menu 4 Cumulative generated power from the first day the inverter began working is available to be checked in 4 TotalTag menu
33. S lt SOLECTRIA A YASKAWA COMPANY PVI 36TL INSTALLATION AND OPERATION MANUAL PVI 36TL Installation and Operation Manual PVI Series Inverters IMPORTANT REGISTRATION AND WARRANTY INFORMATION For warranty to become active this inverter must be registered To activate warranty and register inverter please visit the link below www solectria com registration DOCR 070588 A Page 1 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Before You Start CAN This manual contains important information regarding installation and safe operation of the PVI 36TL Be sure to read this manual carefully before using the inverter Thank you for choosing a Solectria grid tied PV Inverter This PV Inverter is high performance and highly reliable product specifically designed for the North American Solar market If you encounter any problems during installation or operation of this unit first check the user manual before contacting your local dealer or supplier This user manual is applicable for the following model PVI 36TL Instructions inside this user manual will help you solve most installation and operation difficulties Contact your local supplier if the problem still exists Please keep this user manual on hand for quick reference DOCR 070588 A Page 2 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS Please read this use
34. SB port Reserved for factory use P204 Not Used 4 P203 Not Used P208 Modbus RS 485 connector 1 NC 2 NC 3 RS 485 4 RS 485 5 NC S403 Not Used ON on OFF OFF 5402 5402 S402 Selector switch for the 1200 Modbus RS 485 termination resistor 1 Disable the RS 485 bus termination 1 2 Enable the RS 485 bus termination 8 par PAR S401 Selector switch for setting the PV connection mode IND w IND 1 Independent mode 5401 5401 2 Parallel mode 1 2 See section 2 3 1 for more details Table 2 10 Communication Connections and Configuration Switches DOCR 070588 A Page 42 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 2 4 1 Modbus RS 485 Network Connections with External Monitoring Systems The PVI 36TL inverter can be connected to an external Data Acquisition System DAS via Modbus RS 485 connection as shown in figure 2 33 Last Inverter 32 Inverter 2 Inverter 1 ERRA FPERRA Wiring Box Other Optional Modbus RS485 Device Modbus RS485 based External Data Acquisition System DAS Turn the termination onen ng On Daisy Chain the cable shields ERER rial Pair connect the cable shield at the last Do not connect the shield to the jodbus R5 485 cable to GND at the DAS inverter inverter GND terminal Figure 2 33 PVI 36TL Inverters in a Modbus RS 485 Daisy Chain Connected to an External DAS
35. SubMask 255 Disable 255 MPPTCycle 255 60 Min 0 GateWay 10 MPPTScan 122 1 254 DHCP DNSSer 10 122 lt Enable gt 0 StaticIP 1 Figure 4 12 System Setup Menu and Submenu 1 The inverter can be started and shut down with 1 ON OFF menu Move the cursor to ON and press ENT ON State will then be indicated at the bottom of LCD move the cursor to OFF and press ENT then OFF State will be indicated as well DOCR 070588 A Page 67 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters The inverter will stand by instead of working normally if the startup conditions do not meet the needed values even if ON is selected The inverter will shut down immediately if OFF is selected in any case 2 Five languages i e English French Chinese German and Italian are available in 2 Language menu 3 Key beep and Alarm beep can be set mute unmute in 3 Buzzer menu Key beep and Alarm beep can be chosen by pressing UP and DOWN Shift between Enable and Disable by pressing UP and DOWN if the cursor is on the Key beep Complete the setup by pressing ENT Similarly the Alarm beep can be set up in the same way 4 Set up the system date and time with 4 SysTime menu These parameters are of critical importance and will be used in history information 5 Set the 485 communication parameters with S Commun menu
36. an the set values The inverter will check automatically whether it meets the startup conditions in this mode until it turns back to normal mode The inverter will switch from standby mode to fault mode if a malfunction occurs Standby gt gt gt gt gt gt Figure 5 3 Inverter System in Standby Mode 4 Fault mode as shown in Figure5 4 The inverter will disconnect from the power grid and turn into fault mode when the inverter or power grid fails Check the specific cause in Troubleshooting table Table 6 2 according to the fault message displayed on the LCD and eliminate the fault referring to the instructions DOCR 070588 A Page 80 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters SPICommErr Figure 5 4 Fault Indication Interface WARNING All the installation and wiring connections should be performed by qualified technical personnel Disconnect the inverter from PV modules and the AC supply before undertaking maintenance Do not operate or maintain the inverter until at least 5 minutes after disconnecting all sources of DC and AC 5 4 Grid Tied Power Generation PVI 36TL series inverter has an automatic grid tied power generation process It will check whether AC power grid meets the conditions for grid tied power generation constantly and test whether the PV array has enough adequate energy After all conditions are met the inverter will enter grid tied po
37. ard the electricity provider may cancel interconnection agreement Putting the inverter into operation before the overall system complies with the national rules and safety regulation of the application is not permitted DOCR 070588 A Page 58 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters d When the inverter completes sys checking the LCD shows the screen as Figure 3 1 below Press ENTER to the standard selection interface as shown in Figure 3 2 e Select the corresponding grid standard and press ENTER Set Standard Figure 3 1 Set Up Grid Standard gt 1 Rule 21 2 IEEE 1547 3 HECO ML 4 HECO OHM Figure 3 2 Select Grid Standard 5 When the LCD shows the normal operation status Figure 3 3 and the RUN light on the LED panel lights up it indicates that the grid connection and power generation are successful 08 12 13 10 05 08 12 13 10 10 a b Figure 3 3 Normal Operation Status 6 If the inverter fails to operate normally the FAULT LED will illuminate and the error message will be displayed on the LCD Please refer to 7 1 2 Troubleshoot LCD faults 7 Set up system time and language Set up the system time and language according to 4 4 4 System Configuration 8 To check the real time operation information you can refer to 4 4 1 Operation information DOCR 070588 A Page 59 of 107 PVI 36TL Installati
38. ay the PV system still requires equipment grounding Figure 2 19 Equipment Grounding Locations DOCR 070588 A Page 26 of 107 PVI 36TL Installation and Operation Manual 2 3 1 DC Connection 1 Working Mode PVI Series Inverters PVI 36TL inverter has two PV input sections DC Input 1 and DC Input 2 These two sections can work in Parallel mode or Independent mode see Figure 2 20 The default setting from the factory is Independent mode In Parallel mode the two PV input sections share one MPP Tracker In Independent mode each PV input section works with independent MPP Tracker Inverter DC DC Input 1 Input 2 PAR i i i 1 n n2 n3 n4 401 nl n2 n3 n4 PAR IND Figure 2 20 a Parallel Mode DOCR 070588 A Inverter DC DC Input 1 nput 2 L L L L n n2 n3 n4 401 nl n2 n3 n4 Figure 2 20 b Independent Mode Page 27 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Table 2 4 DC Input Power Specification Inverter model Max DC input power Rated DC input power of Parallel mode each input section Independent mode Default from factory PVI 36TL 37kW 70A 18 5kW 35A Note The standard configuration is Independent mode If it needs to switch to the Parallel mode p
39. cording to the following steps when the service time is due or for other reasons DANGER Please disconnect the electrical connection in strict accordance with the following steps Otherwise the inverter will be damaged and the service personnels life will be endangered 1 Turn off the AC breaker and use Padlocks if provided 2 Turn off the DC breaker and use Padlocks if provided Skip this step if there is no DC circuit breaker 3 Switch the AC switch to OFF position 4 Switch the DC switch to OFF position 5 Wait for 10 minutes to ensure the internal capacitors have been completely discharged 6 Measure the AC output cable terminal voltage against the ground and make sure the voltage is OV 7 Disconnect the AC and PE cables referring to 2 3 2 AC and Ground Connection 8 Disconnect the DC cables referring to 2 3 1 DC Connection 9 Uninstall the inverter using reverse of installation steps referring to 2 2 Mechanical Installation DOCR 070588 A Page 92 of 107 PVI 36TL Installation and Operation Manual 7 0 Technical Data PVI Series Inverters Model Name PVI 36TL DC Input Max PV Power 54kw Nominal DC Input 37kW Power Max DC Input Voltage 1000Vdc Operating DC Input 200 950Vde Voltage Range Start up DC Input Voltage Power 330V 80W Number of MPP 2 Trackers MPPT Voltage Range 540 800Vdc E Current 35A 2 Max Short Cir
40. cuit 50A 2 Current Isc Number of DC Inputs 8 inputs 4 per MPPT DC Disconnection Type Load rated DC switch AC Output Rated AC Output Power 36kW Max AC Output Power 36kW Rated Output Voltage 480Vac Output Voltage Range 422 528Vac Grid Connection Type 30 PE Max AC Output Current 43 5A a cm ee Frequency 59 3 60 5Hz Power Factor gt 0 99 0 8 adjustable 1 Exceeding the Max DC Input Voltage may cause permanent damage to the equipment 2 The MPPT Voltage Range is adjustable through LCD operations 3 The Output Voltage Range may differ according to specific grid standard The Output Frequency Range may differ according to specific grid standard DOCR 070588 A Page 93 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Current THD lt 3 AC Disconnection Type Load rated AC switch System Topology Transformerless Max Efficiency 98 4 CEC Efficiency 98 0 Stand by Night Consumption lt 30W lt 3W Environment Protection Degree TYPE 4X Cooling Variable speed cooling fans Operating Temperature 13 F to 140 F 25 C to 60 C derating from Range 113 F 45 C Storage temperature 40 F to 158 F 40 C to 70 C Operating Humidity 0 95 non condensing Operating Altitude 13123 4ft 4000m derating from 6561 7ft 2000m Display and Communication Display LCD LED Standard
41. driver to install the bypass input terminals 2sets or 1set torque value of 1 6N m 14 in lbs see Figure A 5 4 Use No 10 wrench to screw DC input cable on the bypass input terminals torque value of 6 0N m 50 in Ibs see Figure A 6 5 Reinstall the protection cover see Figure A 7 PULLI ff Figure A 2 Jumper busbar Figure A 3 DOCR 070588 A Page 103 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Figure A 5 a DOCR 070588 A Page 104 of 107 PVI Series Inverters PVI 36TL Installation and Operation Manual Figure A 5 b n Lu 0 x a lu m zZ 5 W n Figure A 6 Page 105 of 107 DOCR 070588 A PVI 36TL Installation and Operation Manual PVI Series Inverters Appendix B PVI 36TL Datasheet http solectria com support documentation inverter datasheets pvi 14tl pvi 20tl p vi 23tl pvi 28tl and pvi 36tl transformerless 3 ph string inverters Appendix C String Sizing Tool http solectria com support string sizing tool Appendix D Contact Information Solectria Renewables LLC 360 Merrimack Street Lawrence Massachusetts 01843 USA Tel 978 683 9700 Fax 978 683 9702 Sales Support inverters solectria com Customer Support service solrectria com Website www solectria com Append
42. e bracket The minimum angle between the two sling ropes should be less than 90 degrees Manual mounting Two people are needed to properly lift the inverter by the handles detailed in Figure 2 8 and mount the inverter onto the bracket CAUTION The main PVI 36TL inverter section is 55kg 122 pounds Please ensure the mounting bracket is properly installed before hanging the inverter on the bracket It is recommended to have at least 2 people to mount the inverter due to the weight of the equipment i ni Figure 2 7 Mounting the Main Inverter Section on the Bracket DOCR 070588 A Page 18 of 107 5 51in 140mm PVI 36TL Installation and Operation Manual PVI Series Inverters QA y D iil Figure 2 8 Grab Handle Position 4 Installing the wiring box Remove the cover plate at the bottom of the main section see Figure 2 9 Tool No 2 Phillips head screwdriver Figure 2 9 Main Section Cover Plate Remove the cover at the top of the wiring box see Figure 2 10 DOCR 070588 A Page 19 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Figure 2 10 Wiring Box Cover connect the wiring box to the main section using M6x16 screws 4pcs to secure the wiring box see Fi
43. e DC switch to OFF position 3 Check whether the grid voltage is normal and whether the cable connection of AC side is correct and secure The RUN LED lights off or FAULT LED Refer to Table 7 2 for lights up troubleshooting 6 1 2 LCD fault and troubleshooting The inverter will be shut down automatically if the PV power generation system fails such as output short circuit grid overvoltage under voltage grid over frequency under frequency high environmental temperature or internal malfunction of the machine The fault information will be displayed on the LCD Please refer to 4 4 2 Present Fault for detailed operation The causes of a fault can be identified based on the faults listed in Table 6 2 Proper analysis is recommended before contacting after sales service There are 3 types of fault alarm protection and hardware fault DOCR 070588 A Page 82 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Table 6 2 LCD Troubleshooting Table Alarm 1 TempSensorErr 2 CommeErr 3 ExtFanErr Definition Prompt detection of abnormal temperature Possible causes 1 Temperature sensor is reading 25C 2Temperature Sensor socket connecter has poor contact 2 Temperature Sensor is damaged Recommended solutions 1 Observe temperature display 2 Switch off 3 phase working power supply and then reboot the system 3 Contact after sales service pe
44. ect 4 lt c Incorrect c Correct Figure 2 34 It is important to daisy chain the inverter Modbus RS 485 connections to minimize noise and bus reflections Any network topologies shown to the left should be avoided Equivalent daisy chain topologies shown to the right should be used instead DOCR 070588 A Page 44 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Connecting External DAS Modbus RS 485 Network to the PVI 36TLinverter Warning Risk of Electric Shock A Make sure all DC and AC power to the unit has been disconnected before opening the inverter wiring box and make sure hazardous high voltage and energy inside the equipment has been discharged 1 Open the inverter wiring box Bring the cable into wiring box through knockout holes at the bottom 3 Connect the Modbus RS 485 wires to the green Phoenix connector P208 ensuring correct polarity and using a twisted pair in the shielded twisted pair cable 4 If the inverter is the last Modbus device in the daisy chain make sure the Modbus termination switch S402 is in the ON position Up towards the LCD enabling Modbus termination Do not turn the switch to the ON position in any other inverters in the daisy chain N S402 Selector switch for the 1200 RS 485 termination resistor 1 Disable the Modbus i RS 485 bus termination Factory default OFF 402 9 2 Enable the Modbus RS 485 bus termination Applies only
45. ency derating including ActiveContr RePowerContr and FreqDeratCtrl menus 1 ActiveContr menu adjust the active power of AC output the range is 0 100 0 2 RePowerContr menu set up the reactive power control mode including 6 submenus 1 None 2 Dispatch 3 Q Set 4 PF Set 5 PF P Set and 6 Q U 1 None 5 PF P Curve 2 Dispatch 6 Q U Curve 3 QReactSet 4 PF Set Figure 4 15 Reactive Power Mode 1 None No mode disable reactive power mode 2 Dispatch Remote power dispatch mode Note The ActivePower PF and Q value can be adjusted by remote software if the Dispatch is selected 3 QReactSet Set the Q value Note Change the reactive power by adjusting the Q value reactive compensation 4 PF Set Set the PF value Note Change the reactive power by adjusting the PowerFactor 5 PF P Curve PF curve mode DOCR 070588 A Page 73 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Note The power factor changes according to the power change as shown in Figure 4 16 INSTRUCTION The PF P Curve function is only available for VDE 4105 CEI 0 21 and IEEE 1547 grid standards PF PFCurveP1 PFCurvePF1 Inductive P 1 Capacitive PFCurveP2 PFCurvePF2 Figure 4 16 PF P Curve Mode 6 Q U Curve Q U curve mode Note The reactive compensation changes according
46. enol Overmolded Solar Junction When combining 2 strings you should use a Y connector that has a fuse in each branch equal to the module series fuse rating For 9 inputs you can place the 30A fuse in any fuse holder For 10 inputs you should place one 30A fuse in each MPPT zone even if they are running in parallel mode Two 30A fuses should never be next to each other d Check the polarity Figure 2 23 before plugging the DC connectors with the cables of PV strings according to the following steps i Use a multi meter to measure the PV strings cable ends and check the polarity ii The positive terminal of cable should match the positive terminal of inverter s DC input iii The negative terminal of cable should match the negative terminal of inverter s DC input NOTICE It is important to use a multi meter to check the polarity of DC input cables to avoid any risk of reverse polarity Multi Meter Figure 2 23 Polarity Check e Remove the plug from the holes of the DC side and plug the suitable conduits of 1 1 4 inch through the knockouts Then put the cables through the conduits inside the wiring box f Crimp the DC cables with the attached pre insulated end ferrule 16Pcs by using the crimping pliers see Figure 2 25 Tools Diagonal pliers wire stripping pliers crimping pliers DOCR 070588 A Page 32 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Le wire Pre i
47. ent temperature outside the inverter is too high very temperature is not over 70C 2 Fan is blocked 3 Convection airflow is insufficient due to improper installation Recommended solutions 1 Confirm that external ambient temperature is within the specified range of operating temperature 2 Check whether air inlet is blocked 3 Check whether fan is blocked 4 Check whether the location of installation is appropriate or not 5 Observe for 30 minutes and see whether the alarm will be eliminated automatically 6 Contact after sales service personnel Definition Grid voltage exceeds the specified range Possible causes 1 Grid voltage is abnormal or not present Power grid breaks down 2 Cable connection between the inverter and the grid is poor DOCR 070588 A Recommended solutions 1 Observe for 10 minutes and see whether the alarm will be eliminated automatically 2 Check whether the grid voltage is within the specified range verify the AC circuit breaker has not tripped Page 84 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 3 GridF OutLim 4 PVVoltOver 5 PV1 2 Reverse 6 GFCI Err 3 Measure VAC between line to line and line to neutral if more than 2 6 difference go to step 5 4 Check whether the cable between the inverter and power grid is disconnected or has any fault 5 Contact after sales service personnel Definition Grid voltage frequency
48. er Main Items of the Inverter 1 Main inverter section 2 Wiring box of the inverter 3 Mounting bracket 4 External cooling fans 5 LED indication lights 6 LCD 7 Key buttons 8 DC switch DC power on off 9 AC switch AC power on off 1 6 Anti Islanding This inverter includes Active Anti lslanding detection as required by UL1741 IEEE1547 The inverter will automatically make small variations in reactive power output in order to detect a possible islanding condition If the grid is stable these small variations will have negligible effects on system voltage and frequency DOCR 070588 A Page 9 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters However in an islanded condition the small amount of reactive power changes will force the system voltage or frequency to change significantly which will trigger the inverter to shut down 1 7 DC Ground Fault Protection The PVI 36TL includes residual current detection as part of the DC ground fault detection method as required by UL1741 If there is a ground fault in the array the ground fault detection technology will detect the array leakage current The inverter will shut down if the leakage current exceeds 500mA 1 8 Surge Suppression STANDARD WAVEFORM PEAK VALUES Surge Category Ring Wave Combination Wave B 6 kV 0 50 kA 6 kV 3 kA e Standard 1 2 50 us 8 20 us Combination Wave e Standard 0 5 us 100 kHz Ri
49. et as shown Nuts M10 2 pcs Torque to 50 in lbs Install shade cover as shown Screws M6x18 4 pcs Torque to 25 in lbs Figure 8 4 Shade Cover Installation DOCR 070588 A Page 100 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 8 4 AC amp DC Disconnect Covers OPT DISCOCOVER PVI 23 28 is a tamper resistant cover for the AC and DC disconnects It is for customers that have inverters in public places so the disconnects cannot be turned while the inverter is running Figure 8 5 Tamper Proof Cover DOCR 070588 A Page 101 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 9 0 Appendices Appendix A Instruction of Inverter Selection Table A 1 Optional Accessory mPVI 36TL inverter ao a foethemetars a Options Bypass input terminalsx2 f1or2 The following figure shows the wiring box equipped with the optional components BYPASS INPUT TERMINAL m Figure A 1 Internal Structure of PVI 36TL Inverter with Optional Components DOCR 070588 A Page 102 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Bypass Input Terminal Instructions 1 Remove the protection cover see Figure A 2 2 Use No 2 Phillips head screwdriver to remove the jumper busbar torque value of 1 6N m 14 in lbs see Figure A 3 3 Use No 2 Phillips head screw
50. g Curve with High Altitude Note 4 The inverter can output the AC power with full loads within 90 110 of the rated grid voltage When the grid voltage is lower than 90 the output current will be limited within the allowable Max current Po Pn 100 80 480 528 Grid Voltage Vac Figure 7 4 PVI 36TL Derating Curve of Grid Voltage DOCR 070588 A Page 96 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 8 0 Accessory Options The PVI 36TL comes with several options that allow the inverter to support a wide range of real life applications 8 1 Fuse Bypass OPT FUSEBYPASS PVI 23 28 allows customers to combine the DC inputs outside the inverter and enter with only one or two combined inputs Torque to 16 in lbs the provided hardware Lia Figure 8 1 Fuse Bypass Two Inputs Two Independent MPPTs T 2 o i TO AL Ww T J of i Figu DOCR 070588 A re 8 2 Fuse Bypass Single Input Combined M PPT Page 97 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 8 2 SolrenView Monitoring OPT SRV LCD allows customers to purchase the only monitoring system that is designed to support PVI 36TL to the fullest SolrenView can be placed inside the inverter so no external enclosure is needed RS 485 and DC wires can be fed into SolrenView directly off of the inverter Figure 8
51. gt This symbol marks the location of grounding terminal which must be securely connected to the earth through the PE Protective Earth cable to ensure operational safety WARNING All of the installation and wiring connections should be performed by qualified technical personnel Disconnect the inverter from PV modules and the AC Grid before maintaining and operating the equipment Follow all local national or country specific guidelines for electrical safety DANGER Please disconnect the inverter from the AC grid and PV modules before opening the equipment Make sure hazardous high voltage and energy inside the equipment has been discharged Do not operate or maintain the inverter until at least 5 minutes has passed after disconnecting all sources from DC and AC sides CAUTION PVI 36TL inverter is approx 66kg 145 pounds including the wiring box Please ensure the mounting bracket is properly installed before hanging the inverter on the bracket INSTRUCTION Please check with your local electricity supply company before selecting a grid standard If the inverter is operated with a wrong grid standard the electricity supply company may cancel the interconnection agreement Putting the inverter into operation before the overall system complies with the national rules and safety regulation of the application is not permitted SAVE THESE INSTRUCTIONS DOCR 070588 A Page 4 of 107 PVI 36TL Installati
52. gure 2 11 Tool No 10 Wrench torque value of 25 in Ibs 2 8N m Figure 2 11 Wiring Box Installation CAUTION The total weight of the PVI 36TL main inverter section and wiring box is 66kg 146 pounds DOCR 070588 A Page 20 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 5 Attach the main section and the wiring box to the mounting bracket with the M5x10 bolts 6 pcs see Figure 2 12 Tool No 2 Phillips head screwdriver torque value of 1 6N m 14 in lbs ee all a Figure 2 12 Secure the Main Section and Wiring Box to the Bracket 6 Optional Install an anti theft padlock when the installation is complete The anti theft padlock is used to help prevent the inverter from being stolen when the equipment is installed outdoors You can lock the inverter on the bracket as shown in Figure 2 14 DOCR 070588 A Page 21 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters SOSSogg N a Figure 2 13 Anti Theft Padlock Location The anti theft padlock should meet the requirement of the dimensions shown in Figure 2 14 eS ed Recommended lock size A 63 6mm B 20 50mm C 20 50mm Figure 2 14 Dimensions of Anti Theft Padlock 5
53. h a wrong grid standard the electricity supply company may cancel the interconnection agreement Putting the inverter into operation before the overall system complies with the national rules and safety regulations of the application is not permitted NOTICE Please don t change the grid standard when the inverter is in normal operation mode or the change is invalid Please refer to the 5 2 Manual 4 4 7 System control parameters The 1 SysPara menu has 6 submenus including 1 GridVProtect 2 GridFProtect 3 ON OFF 4 PowerContr 5 LVRTSet and 6 OtherProtect 1 1 _GridVProtect and 2 GridFProtect menus Set up the parameters of grid voltage frequency protection and recovery etc as shown in Table 4 3 Table 4 3 Parameters of Grid Voltage and Frequency IEEE 1547 Setup range lower Parameter name Description limit default amp upper limit DOCR 070588 A Page 71 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters GridVmaxRecT V am ihrer of 1500 0 518 0 533 0 GridVminRecT V Recovery threshold value of 0 432 4 480 0 Min grid voltage GridVRecT S Recovery time of grid voltage 4 300 00 600 00 protection Protection threshold value of GridF Max1 Hz EE TEn 50 00 60 50 66 00 FmaxTripT1 S Trip time of Level 1 Max grid 0 0 16 600 00 frequency Protection threshold value of Grid F Min1 Hz TEREE E frequen 45
54. indication interface when the inverter is in operation mode Press ESC in this interface to escape the default interface and enter the main operation interface The main operation interface is shown in Figure 4 7 1 OP Info 5 Dispatch 2 Alarm 3 History 4 Setting Figure 4 7 Main Menus on the LCD The users may select options with UP and DOWN and then press ENT to confirm selection The users can return to the default indication interface by pressing ESC 4 4 1 Operation information When the cursor moves to 1 OP Info in the main screen you should press ENT to select the operation information as shown in Figure 4 8 Check the information by pressing UP and DOWN Return to the previous menu by pressing ESC DOCR 070588 A Page 63 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters EDay 23 5kWh 1 OP Info PDayPk 19kW DayT 12 1 h Uab 480 2V Ubc 480 5V Uca 479 7V Freq 60 0Hz la 20 1A Ib 19 8A Ic 20 0A Tmod 78 2C Tamb 50 1C Upv1 452 0V Ipv1 18 9A Upv2 453 4V Ipv2 18 7A Sac 16 8KVA Pac 16 5kW Figure 4 8 Operation information indication PV independent mode Remarks The LCD is shown with PV parallel mode selected Upv Ipv 453 0V 18 7A Figure 4 9 Operation Information Indication PV Parallel Mode DOCR 070588 A Page 64 of 107 PVI 36TL Installation and Operation Manual PV
55. is abnormal or power grid is not detected Possible causes 1 Grid frequency is abnormal 2 Cable connection between the inverter and the grid is poor Recommended solutions 1 Observe for 10 minutes and see whether the alarm will be eliminated automatically 2Nerify whether the grid frequency is within the specified range 3 Check whether the cable between the inverter and power grid is disconnected or has any fault 4 Contact after sales service personnel Definition PV voltage exceeds the specified value Possible causes PV over voltage Recommended solutions 1 Observe for 30 minutes and see whether the alarm will be eliminated automatically 2 Check whether PV voltage exceeds the specified range 3 Turn off the PV input switch wait for 5 minutes and then turn on the switch again 4 Contact after sales service personnel Definition PV module is connected inversely Possible causes PV positive pole and negative pole are connected inversely Recommended solutions 1 Check whether positive pole and negative pole are connected inversely 2 Contact after sales service personnel Definition DOCR 070588 A Page 85 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 7 IsolationErr 8 ARC Protect 9 Arcboard Err System leakage current is too high Possible causes 1 Excessive parasitic capacitance on PV module due to environmental factor
56. ix E Authorized Distributors Please visit http www solectria com products how to buy DOCR 070588 A Page 106 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Appendix F UL 1741 UL 1699B IEEE 1547 CSA 22 2 107 1 Authorization to Mark a OR Certificate of Compliance Certificate Project Issued i 2665124 Master Contract 259363 70036193 Date Issued June 12 2015 Soleciria Renewables LLC 360 Marrimack St Blig 9 Lawrence MA 01843 USA Atention Mr James Worden The products listed below are eligible ta hear the CSA Mark shawn with adjacent indicators C and US for Canada and US or with adjacent indicator US for US only or without either indicator for Canada only PRODUCTS kyle Sorg Issued by Kyle Song CLASS 5311 09 POWER SUPPLIES Distributed Gereration Power S ystems Equipment CLASS 5311 39 POWER SUPPLIES Distributed Gereration Power Systems Equipment Certified to US Standards Transformerless Utility Interactive Inverter Models PVI23TL480 PVI 28TL 480 and PVI 36TL 480 permanently commected Note For details related to rating size configuration etc refirence should be made to the CSA Certification Record Certificate of Compliance Amex A or the Descriptive Report DOCR 070588 A Page 107 of 107
57. l the inverter away from flammable and explosive substances v Avoid installing the inverter in locations that exceed the temperature limits specified in the inverter data sheet to limit undesirable power loss v Do not install the inverter near the electromagnetic source which can compromise the normal operation of electronic equipment DOCR 070588 A Page 12 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 2 2 Mechanical Installation 1 Dimensions _1 tin 28mm a 5 I SESOLECTRIA AYASKAWA COMPANY COA oO oO 2 eoo O mM ZN l 9 fin 230mm 23 6in 600mm Figure 2 1 PVI 36TL Inverter Dimensions DOCR 070588 A m Page 13 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 2 Installation Method see Figure 2 2 Make sure that the mounting structure wall rack etc is suitable to support the inverter weight Follow the mounting guidelines below a If the location permits install the inverter vertically b If the inverter cannot be mounted vertically it may be tilted backward but no lower than 15 degrees from horizontal c Do NOT mount the inverter leaning forward d Do NOT mount the inverter in a horizontal position lt 15
58. lease take the following steps to change the internal configuration 1 Remove the cover of the wiring box see Figure 2 15 2 Remove the protection cover see Figure 2 21a 3 Use No 2 Phillips head screwdriver to install the jumper busbar torque value of 1 6N m 14 in lbs see Figure 2 21b 4 Set the selector switch on the LCD board see Figure 2 22 to parallel mode 5 Reinstall the protection cover PULLI Figure 2 21 a DOCR 070588 A Page 28 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Jumper busbar PAR IND Sai Jon loFF Sas Saa on B W 1 FUT 2 N A poo ar DOCR 070588 A Page 29 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Selector switch for PV PAR PAR 1 independent mode connection mode 2 parallel mode Figure 2 22 PV Connection Mode Selector Switch Location 2 DC Fuse Configuration PVI 36TL inverters are equipped with standard 15A DC fuses Customers must verify that the appropriate fuses are installed depending on the actual configuration of PV strings a Each independent string of DC input from the PV strings needs fuse protection b The rated
59. nView data loggers must be added with each logger supporting up to 16 inverters per daisy chain e Solectria recommends that the Modbus RS 485 daisy chain for PVI 36TL inverters is limited to a maximum of 1600 ft 500m e The inverter Modbus RS 485 connections must utilize a Shielded Twisted Pair Modbus cable such as Belden 9841 e The cable shield continuity should be maintained for the entire length of the daisy chain and should only be connected to Chassis GND inside the first inverter containing the SolrenView data logger The shield should not be connected to any of the other inverters to prevent any possible ground loops e Star or T Modbus RS 485 network topologies should be avoided See Figure 2 34 e It is important to terminate the Modbus RS 485 bus correctly to minimize any bus noise and reflections The bus should be terminated at the SolrenView data logger and at the last Modbus device in the daisy chain typically an inverter The PVI 36TL Modbus termination is turned on by flipping switch S402 to the ON position as shown in Figure 2 35 S402 should always be left in the off position except for the last inverter in the daisy chain e Open the inverter wiring box Bring the Modbus cable into the wiring box through knockout holes at the bottom 3 If the inverter is the last device in the daisy chain make sure the Modbus termination switch S402 is in the ON position Up towards the LCD for Modbus terminati
60. ng Wave 1 9 DC Arc Fault Detection The PVI 36TL includes DC Arc fault detection compliant with UL 1699B The inverter detects electrical noise that typically accompanies a DC series arc The inverter will shut down should the arc fault sensor detect a series arc See section Arc fault current interruption for more details 2 0 Installation Below is the installation procedure for the inverter Please read carefully and install the product step by step Before installation please check that the following items are included in the package Table 2 1 Main Items No Item Qty Note Main inverter section DOCR 070588 A Page 10 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 2 Wiring box 1 3 Mounting bracket 1 T ae Is pune sand 4 User manual 1 Installation and operation manual 5 Accessory kit 1 Contains all necessary accessories The 5 Accessory kit contains items listed below Table 2 2 Accessories 10 AWG No Item Qty Note 1 M8 Expansion tubes 8 For mounting bracket 2 Maxey assembling 8 For mounting bracket bolts 3 M6 X16 screw 6 For wiring box and main section 2 spare parts 8 for mounting bracket and inverter 4 M5X10 screw 10 external ground connection 2 for installing jumper busbar 5 M5 flange nut 2 For internal ground stud connection 1 spare part 6
61. nsulated end ferrule Figure 2 24 DC Input Cables Set Up g Connect the crimped DC cables to the terminal block on the circuit board and fasten the screws as shown in Figure 2 25 Tools 6mm 0 23in flat screwdriver Torque value 3 4N m 30 in lbs gt Figure 2 25 a DC Input Cable Specifications o Figure 2 25 b DC Input Cable Connections 4 Dual Maximum Power Point Tracking The inverter is designed with two separate MPP Trackers Dual MPPT which can operate independently or combined The default is independent mode DOCR 070588 A Page 33 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Inverter 1 2 3 4 1 2 3 4 1 2 3 a jwjnje a Figure 2 26 Two MPPTs Operating Independently Independent mode can be very helpful for sites with shading on parts of the array However this also means that one must consider these two zones as two separate inverters and power must be balanced as much as possible between the two MPPT zones NOTE Always connect an equal number of wires to PV1 and PV2 connectors for dual MPPT zone operation If an odd number of connections are required we recommend setting the inverter to single combined MPPT zone NOTE Connecting all of the inputs at zone PV1 will result in only utilizing 50 of the inverter power output When doing DC AC ratio sizing perform calculations
62. of the inverter below may be as small as 4in 100mm DOCR 070588 A Page 16 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 4 Mounting the Inverter Onto the Bracket 1 Mark the 8 holes on the bearing surface for mounting the bracket as shown in Figure 2 5 L 550mm min _ 250mm 250mm 21 7in 9 84in 9 84in 425mm min 16 7in 522mm 20 55in 140mm 5 51in pe 1100mm min 43 3in 813mm min 32in Figure 2 5 Holes on the Bearing Surface Dimensions 2 Drill holes at the marked positions with a 10mm 0 4in drill and put the M8 expansion tubes into the holes fasten the mounting bracket 2 with the M8x25 assembling bolts in the accessory kit Figure 2 6 Tool Electric drill 10mm 0 4in head 13mm wrench 240 in lbs DOCR 070588 A Page 17 of 107 PVI 36TL Installation and Operation Manual Deha Series Inverters 20 55in 522mm 4 q J T 2 D Y e gt ee oO Figure 2 6 Securing the Mounting Bracket 3 Hang the inverter onto the mounting bracket as shown in Figure 2 7 and Figure 2 8 Lift mounting Take out the lifting eye nut M10 2pcs from the accessory kit and screw them onto the studs at the top of the inverter Use a sling rope or bar inserted through both lifting eye nuts to lift the inverter onto th
63. on Do not turn the switch to the ON position in any of the other inverters See Figure 2 35 4 The SolrenView data logger is shipped from the factory with the Modbus termination turned ON The two Modbus termination dip switches closest to the white Molex connector 3 and 4 on SW1 should be in the ON position towards the edge of the board See Figure 2 40 N DOCR 070588 A Page 50 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Figure 2 40 The SolrenView Data Logger Printed Circuit Board and the Modbus Termination Dip Switches 5 Extend the Modbus cable shield with additional wire so that it can reach to the Chassis GND terminal block as shown in Figure 2 41 The wire should be soldered to the cable shield to ensure solid and reliable connection The shield connection should be covered with a heat shrink tubing to prevent any shorts to other components inside the inverter The wire should be kept as short as possible to minimize any noise pickup 6 Connect the external Modbus RS 485 cable to the green Phoenix connector P208 ensuring correct polarity and using a matching twisted pair in the Modbus cable See Figure 2 41 Care must be taken not to disconnect the Modbus wires coming from the SolrenView logger DOCR 070588 A Page 51 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 6 AS POLECTRIA SD amp qo f Chassis GND 4 External Modbus Cable
64. on and Operation Manual PVI Series Inverters 4 0 User Interface 4 1 Description of LCD The inverter s LCD mainly consists of LCD LED indicator lights buzzer and 4 keys as shown in Figure 4 1 la a N foun ESC 1 ee POWER PEN 4 LAD RUN aD wo CD GRID Y FAULT ENT g J aa Figure 4 1 LCD Interpretation for the indicator lights is shown in Table 5 1 and function of the keys is shown in Table 4 2 Table 4 1 LED Indication LED Indicator Name Status Indication Light Working Si Energized control panel starts to work POWER power Light light off Power supply not working Grid tied a In grid tied power generation state operation Derated running status light on 0 5s RUN indication Plash light off 1 6s light Light In other operation status or power off supply not working Grid Light RRE GRID ee Sh Grid is normal indication Flash Grid fault light on 0 5s light off 1 6s DOCR 070588 A Page 60 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters light Light 6 8 Power supply not working off Light Indicates a Fault on Fault Slow Indicates Alarm light on 0 5s light off FAULT i status flash 2s l l l l indication Fast Protective action light on 0 5s light off light flash 0 5s Light off No fault or power supply n
65. on and Operation Manual PVI Series Inverters Table of Contents DO OVENVICW oinetan raei nEn EAE EE EEEE TESNE ESENTE 7 1 1 Inverter for Grid Tied PV Systems ccccsessssssceeeeeeessessaeeeeees 7 12X Prod ct Feat res coren alesviek Fe os Sele hve adeSobe ra a aeaa 7 1 3 Product Protection FUNCTIONS ccceccccccecesseseeeeeeessesseseeeeees 8 1 4 Circuit Structure D SIGN ccccceeeceeeeeeeeeseeeeseeseeeeeeeeeeeeeeeeess 8 1 5 Appearance Description cccccececeeeeeeeeeseeeeeeeeeseeeeeeeeeeeeeeees 9 1 6 ANti ISIANGING inngi eie aiaa iak E anaia 9 1 7 DC Ground Fault Protection sesssesseeesrsesssresrrrrsrrrsessrrsrsesss 10 1 8 Surge Suppression cccccececeeeeeeeeeseceeeeeeeeeeeeeeeeeeeeeeseseeeeeeeees 10 2 0 INStAMATUION a sssaseccedsseiseccsscavedicedacecdstsacccdsscecessnsdeosdsscdedecesscosses 10 2 1 Recommendations before Installation cence 12 2 2 Mechanical Installation c cece ccceceseccccessssseseeeeseessesseueeeeees 13 2 3 Electrical Installation ccc ccccccccceescccccessssseseeeeseesseseeuueesess 24 2 4 Inverter Communication CONNECTIONS ccceeeeeeesseeeseeeeeens 41 3 0 COMMISSIONING 5033 cevisessceesessscavcsedssevsescsosnisess svsssosesscseceeessse 58 3 1 Commissioning Checklist ccccccsssscccecessssssseaeeeesesseeseaeas 58 3 2 COMMISSIONING STEPS ccccccccccccccececececececececececececeeeseeeeeeeeess 58 4 0 User INTOrfaCe cccicsesacccisecesecdsccose
66. on the zone level unless you intend to combine MPPT Maximum DC AC oversizing ratio is 1 5 STC conditions of the modules Each zone maximum input power is 27 kW Note for any application that may experience higher than 1000 W per mona regular basis a smaller DC AC ratio is recommended Failure to follow those guidelines may result in damage to the inverter and may void your warranty WARNING Strings must be balanced for optimum performance and AC DOCR 070588 A Page 34 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 1 2 PV1 3 4 1 2 rod 3 4 Inverter PV1 4 1 2 PV2 3 IN2 4 Figure 2 27 Two MPPTs Combined to Operate as One When the copper jumpers are installed across DC and DC this allows the power to be evenly distributed between the two trackers such as applications of odd number of strings Note 1 The temperature rating of the input wirings should be no less than 90 C 194 F Note 2 The recommended fuse types are configured according to the condition that the input strings are the same 2 3 2 AC and Ground Connection The following describes how to connect the AC and ground cables between the inverter and the AC grid 1 Use 3 Phillips head screwdriver to loosen the 4 screws on the wiring box and take off the cover see Figure 2 28 2 Remove the plugs from the holes of the AC side and install the suitable conduits of 1 1 4 inch through the holes Then put
67. ot working Table 4 2 Definition of the Keys Description Definition of function Confirm entering the menu confirm set Enter ke y value Switch to parameter setting mode Key Esc Escape key Back end mute CEnr A u Page up in selection menu 1 when P setting parameters Page down in selection menu 1 when Vv Down setting parameters 4 2 Operation State Table 4 1 indicates the definitions of LED i e indicates the information of the inverter s operation state It indicates that the system is energized and under DSP control when POWER lights up RUN will light up when the inverter detects that the grid connection conditions meet the requirements and power is fed into the grid RUN will blink if the grid is in de rated running state during the period of feeding power into the grid GRID will light up when the grid is normal during the operation of the inverter Otherwise GRID will blink until the grid restores to normal FAULT will blink quickly as a fault except grid fault occurs FAULT will not turn off until the fault is eliminated The light will blink slowly when an alarm occurs FAULT remains illuminated when an internal fault occurs The buzzer will give an alarm if a fault involving power grid fault occurs 4 3 Interface Types Users can perform the corresponding operations with the 4 function keys DOCR 070588 A Page 61 of
68. r manual carefully before product installation Solectria reserves the right to refuse warranty claims for equipment damage if the user fails to install the equipment according to the instructions in this manual Warnings and Symbols in this Document DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE NOTICE indicates a hazardous situation which if not avoided could result in equipment working abnormally or property loss e INSTRUCTION INSTRUCTION indicates important supplementary information or provides skills or tips that can be used to help you solve a problem or save you time Markings on the Product HIGH VOLTAGE This inverter works with high voltages All work on the product must only be performed as described in this document gt gt HOT SURFACE The equipment is designed to meet international safety standards but surfaces can become hot during operation Do not touch the heat sink or peripheral surfaces during or shortly after operation DOCR 070588 A Page 3 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters EARTH GROUND
69. rent protection y Monitoring of DC input insulation against ground y Monitoring of AC output voltage and frequency vy Monitoring of Leakage current against ground y Monitoring of DC injection from AC output y Monitoring of ambient temperature v Monitoring of IGBT module temperature 1 4 Circuit Structure Design The basic schematic diagram of PVI 36TL inverter is shown in Figure 1 2 The input of PV modules passes through surge protection circuitry DC EMI wave filter and the front end boost circuitry to achieve maximum power tracking and boost up voltages The output of the inverter converts the DC voltage to 3 phase AC voltage The high frequency AC components are removed with a wave filter Then the 3 phase AC voltage is passed through two stage relays and EMI wave filter to produce high quality AC power PV DC Input Fuses AC AN Switch MPPT1 Output PVi mn Ry PV1 AC yaaa PV1 Switch BYE i PV1 s L1 i L2 PV2 i MPPT PV2 gt L3 PVZ o Pv NY PV2 PV2 i i Three level Pv2 roy inverter t PV2 oy et Al l4 m PE AFD Figure 1 2 Schematic Diagram of PVI 36TL Inverter DOCR 070588 A Page 8 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 1 5 Appearance Description Figure 1 3 Sketch of PVI 36TL Invert
70. rsonnel inverter may need replacement Definition Communication inside inverter fails Possible causes Terminal block connectors of internal communication wires have poor contact Recommended solutions 1 Observe for 5 minutes and see whether the alarm will be eliminated automatically 2 Switch off 3 phase working power supply and then reboot the system 3 Contact after sales service personnel Definition Cooling fan failure fan operates based on load and temperature with variable speed control Possible causes 1 Fan is blocked 2 Fan service life has expired 3 Fan socket connecter has poor contact DOCR 070588 A Recommended solutions 1 Observe for 5 minutes and see whether the alarm will be eliminated automatically 2 Check for foreign objects on fan blades 3 Switch off 3 phase work power supply and then Page 83 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Protection 4 EepromErr 1 TempOver 2 GridV OutLim reboot the system 4 Contact after sales service personnel Definition Internal alarm Possible causes Internal memory has a problem Recommended solutions 1 Observe for 5 minutes and see whether the alarm will be eliminated automatically 2 The inverter is still producing power normally 3 Contact after sales service personnel Definition Ambient or internal temperature is too high gt 70C Possible causes 1 Ambi
71. t AC Grid equipments equipments Figure 1 1 Grid Tied PV System 1 2 Product Features High Conversion Efficiency Advanced 3 level conversion technology Max efficiency 98 4 CEC efficiency 98 0 Strong Grid Adaptability 7 grid standards applicable Reactive power adjustable Power Factor PF value 0 8 Remote Curtailment Flexible Communication Supports standard Modbus communications to ensure compatibility with 3 party monitoring and control systems Wide DC Input Voltage Range Operating DC Input Voltage Range 200 950Vdc Max DC input voltage 1000V Long Service Life Uses thin film capacitors to extend inverter s service life 2 MPPTs Dual and independent MPPT Maximum Power Point Tracking enable maximum design flexibility and optimize energy harvest over the life of the system High Protection Degree NEMA 4X protection degree meets the needs of both indoor and outdoor use Intelligent Integration Embedded DC AC switches and up to 8 fused string inputs eliminates the need for external combiner boxes and simplifies installation DOCR 070588 A Page 7 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 1 3 Product Protection Functions v Reverse polarity protection of DC input yY Short circuit protection v Arc Fault Circuit Interruption v Anti islanding protection v Input and output over voltage protection v Input over cur
72. tdown arises a severe fault may have occurred inside the inverter The user can perform a force reboot for one time in this menu if the user needs to restart the inverter INSTRUCTION This function is effective only when the fault IntFault0010 0150 in the troubleshooting table occurs The inverter may restore to normal operation automatically if alarm or protection faults occur This function will not respond when the inverter is in operation mode and a FaultOperated alarm interface will be indicated 3 3 Recover menu The manufacturer s parameter default value can be restored when the inverter is not in operation mode Otherwise Fault Operated will be reminded 4 4 ClrErrRecd menu History information of the failures can be wiped clear after confirmation 5 5 Stdset menu The grid standard can only be changed when the inverter is turned off by LCD shut down The change is ineffective under normal operation mode Please refer DOCR 070588 A Page 70 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters to 5 2 Shut down after the inverter stops working and choose the grid standard as per the local requirement of the electricity supply company Shutdown to turn off the inverter INSTRUCTION PVI 36TL PV inverter supports 4 grid standards Please check with your local electricity supply company before selecting the grid standard If the inverter is operated wit
73. the cables through the conduit inside the wiring box 3 The inverter supports 3 kinds of cable connection on the AC side depending on the grounding connection method The cable set up procedures are illustrated below Use tables 2 7 and 2 8 for Required tools and Torque values DOCR 070588 A Page 35 of 107 PVI 36TL Installation and Operation Manual Figure 2 28 Remove the Wiring Box Cover Table 2 7 Required Tools PVI Series Inverters Tools 3 Phillips screwdriver 1 4 flat head bit 1 8 flat head bit Torque driver Diagonal pliers Wire stripping pliers SHOVES EU Palco Crimping pliers Table 2 8 Torque Values AC output terminal block 30 in lbs 3 5 N m Internal grounding bar 14 in lbs 1 6 N m Internal grounding stud 14 in lbs 1 6 N m External grounding point 14 in lbs 1 6 N m DOCR 070588 A Page 36 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters
74. the function Use UP and DOWN to enable disable the MPPTOption function Press ENT to confirm the setting 4 MPPTCycle is used to set up the cycle time of MPPT Scan Move the cursor to this item press ENT to set up the cycle time Use UP and DOWN to adjust the MPPT cycle time Press ENT to confirm the setting 5 MPPTScan is to execute the MPPT scanning manually Move the cursor to this item and press ENT to initiate the scanning The LCD will skip to normal operation DOCR 070588 A Page 68 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters interface if the MPPT scanning succeeds or remain on the MPPTScan_ menu interface if the scanning fails 7 Configure the network address in the 7 NetConfig menu Move the cursor to the menu press ENT and set up the parameters by UP and DOWN Note if you have a daisy chain you cannot have two devices inverters or other Modbus devices with the same network ID INSTRUCTION Move the cursor to the corresponding menu to set up the parameters and the number will flash after pressing ENT Use UP and DOWN to adjust the parameters 4 4 5 Power dispatch Move the cursor to 5 Dispatch in the main interface and press ENT to go to the following interface Figure 4 13 ActivePower 100 0 PowerFactor 1 000 5 Dispatch P Figure 4 13 Active Power and PowerFactor Remote power dispatch The ActivePower and
75. to eliminat possible dangers and to ensure safety 3 1 Commissioning Checklist 3 1 1 Mechanical Installation Make sure that the mounting bracket is secure and all the screws have been tightened to the specified torque values Please refer to 2 2 Mechanical Installation 3 1 2 Cable Connections a Make sure that all cables are connected to the right terminals b The appropriate cable management is important to avoid physical damage c The polarity of DC input cables should be correct and the DC Switch should be in OFF position Please refer to 2 3 Electrical Installation 3 1 3 Electrical Check a Make sure that the AC circuit breaker is appropriately sized b Test whether the AC voltage is within the normal operating range c Make sure the DC open circuit voltage of input strings is less than 1000V 3 2 Commissioning Steps Complete the checklist above before commissioning the inverter as follows 1 Turn on the AC circuit breaker 2 Turn on the DC circuit breaker Skip this step if there is no circuit breaker 3 Switch the DC Switch to the ON position When the energy supplied by the PV array is sufficient the LCD of inverter will light up The inverter will then start up with the message sys checking 4 Set up the grid standard INSTRUCTION Please check with your local electricity provider before selecting the grid standard If the inverter is operated with a wrong grid stand
76. to the grid voltage change as shown in Figure 4 17 INSTRUCTION The Q U curve function is only available for CEI 0 21 and IEEE 1547 grid standards DOCR 070588 A Page 74 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters Q QuCurveU2i QuCurveQ2i Inductive QuCurveU1 QuCurveQ1 QuCurveU1i QuCurveQ1i Capacitive QuCurveU2 QuCurveQ2 Figure 4 17 Q U Curve Mode The Table 5 5 lists the parameters of QReactSet PF Set PF P Curve and Q U Curve modes Press ENT to start up the modes after the parameters are set up Table 4 5 Parameters of Reactive Power Control IEEE 1547 default amp orc nl limit eet PF P PFCurvePF2 0 800 0 900 0 800 See Figure 5 17 PFCurvTripV V 480 0 480 0 528 0 PFCurveReV V 422 4 432 0 480 0 voltage QuCurveU1 V 480 0 518 4 528 0 See Figure 5 18 Q U QuCurveQ1 100 0 0 0 100 0 See Figure 5 18 QuCurveU2 V 480 0 528 0 528 0 See Figure 5 18 DOCR 070588 A Page 75 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters QuCurvea2 100 0 50 0 100 0 QuCurveQ1i 100 0 0 0 100 0 QuCurveQ2i 100 0 50 0 100 0 See Figure 5 18 QuCurvTripP 5 0 20 0 100 0 QuCurveReP 5 0 5 0 100 0 3 FreqDeratCtrl menu Set up the parameters of over frequency active power deraring INSTRUCTION The FreqDeratCtrl function is not available for
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78. wer generation mode While in the grid tied power generation the inverter can detect the power grid at all times and also keep the photovoltaic array output in maximum power point tracking MPPT mode In case of any abnormity the inverter will enter the protection program immediately In low light conditions when power generation is not enough to keep the inverter in operation the inverter will enter standby mode When the voltage of PV array changes and becomes stable and higher than the required set value the inverter will attempt to start grid tied power generation again DOCR 070588 A Page 81 of 107 PVI 36TL Installation and Operation Manual PVI Series Inverters 6 0 Maintenance and De Installation 6 1 Fault Shutdown and Troubleshooting 6 1 1 LED Fault and Troubleshooting When contacting Solectria for support please provide the serial number of the inverter and the fault message If the fault is regarding any voltage issue please also measure the AC and DC voltage at the inverter prior to calling Please refer to the definition of LED lights in Table 4 1 and troubleshoot according to Table 6 1 Table 6 1 Troubleshooting of LED Lights LED fault status Solutions Neither the Power LED nor the LCD 1 Turn off the external AC breaker lights up 2 Switch the DC switch to OFF position 3 Check the PV input voltage and polarity The GRID LED is blinking 1 Turn off the external AC breaker 2 Switch th

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