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PVI 10KW / PVI 13KW / PVI 15KW Installation and Operation Manual

DOC-020028 rev 028

5

1 Introduction

The PVI 10KW / PVI 13KW / PVI 15KW is a commercial, 3-phase grid-tied PV inverter designed
to be inter-connected to the electric utility grid. With this manual the PVI 10KW / PVI 13KW /
PVI 15KW can be installed and operated safely. This installation guide is used as reference for the
commissioning and as a guideline on how to use the inverter most effectively.

Feeding power into the grid involves conversion of the DC-voltage from the PV-array to grid
compatible AC-voltage by “inverting” DC to AC. This unit feeds power into a standard 208V AC,
3-phase commercial, industrial or institutional facility’s electrical system which is connected to the
electrical grid. (A 480V AC version is also available, and 240VAC & 600VAC versions available
as special order.)

If the PV system and inverter are providing the same amount of electrical power that the facility is
using then no power is taken from or fed into the utility grid. If the facility is using more power
than the PV system is providing, then the utility grid provides the balance of power. If the facility
is using less power than the PV system is generating, then the excess is fed into the utility grid.

Be sure to look into local regulations regarding Net Metering/inter-connection in your local area.
Note that some utilities need to change their revenue kWh meter for proper Net metering
measurement and billing.

Fig. 1 Grid tied inverter application

Photovoltaic

Array

PVI 10KW /
PVI 13KW /

PVI 15KW

Inverter

Electrical

Grid

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Содержание PVI 10KW

Страница 1: ...W PVI 15KW Installation and Operation Manual DOC 020028 rev 028 1 PVI 10KW PVI 13KW PVI 15KW INSTALLATION AND OPERATION MANUAL Commercial Grid Tied Photovoltaic Inverter 2010 Solectria Renewables LLC Subject to Change ...

Страница 2: ...or optimal and efficient use or optimal system operation EXAMPLE This indicates an example SAVE THESE INSTRUCTIONS PRESCRIPTIONS DE SECURITE IMPORTANTES Ce manuel contient des instructions importantes qui doivent être suivies lors de l installation et de l entretient des onduleurs PVI 10KW PVI 13KW PVI 15KW Afin de réduire les risques de choques électriques et d assurer une installation et une opé...

Страница 3: ...S PRESCRIPTIONS DE SECURITE IMPORTANTES Tous les travaux d installation électrique doivent être exécutés en conformité aux normes électriques locales ainsi qu à la norme nationale américaine et canadienne ANSI NFPA 70 Le PVI 10KW PVI 13KW 15KW ne contient aucune pièce requérant un entretient effectué par l utilisateur Pour toute maintenance veuillez consulter Solectria Renewables ou un installateu...

Страница 4: ...tility Grid and Surge Lightning Protection 11 3 Commissioning the Inverter PV System 18 4 Power GFDI and Error LED Indicators and LCD display 19 5 Troubleshooting Opening the Main Enclosure 25 6 Warranty Information and Liability 29 7 Technical Data 34 8 Appendices 39 Appendix A Product Datasheet 39 Appendix B Example String Sizing 39 Appendix C Contact Info and Authorized Distributors Dealers and...

Страница 5: ...l facility s electrical system which is connected to the electrical grid A 480V AC version is also available and 240VAC 600VAC versions available as special order If the PV system and inverter are providing the same amount of electrical power that the facility is using then no power is taken from or fed into the utility grid If the facility is using more power than the PV system is providing then ...

Страница 6: ... delivered If any damage is seen please immediately notify the shipping company If there is any question about potential shipping damage contact Solectria Renewables A photo of the damage may be helpful Do not accept unit if visibly damaged or note visible damage when signing shipping company receipt Report damage immediately to shipping company Do not remove the unit from pallet packaging If it i...

Страница 7: ...nverter above the DC PV disconnect For optimal inverter life and performance do not mount the inverter in direct sunlight especially in hot climates although the inverter is designed to function at full power continuously in up to 50o C ambient temperatures In hot climates if the unit must be mounted in direct sunlight a metal sun shield is recommended It is recommended that the inverter is mounte...

Страница 8: ... with at least a 2 open space behind it If wall mounted vertical 2 x 2 uni strut or channel can be used Air should be able to flow up behind the unit from below it to above it If you are installing the inverter in a utility vault or electrical closet the air circulation must be sufficient for heat dissipation provide external ventilation to maintain an ambient condition of less than 45 50 o C The ...

Страница 9: ...I 15KW Installation and Operation Manual DOC 020028 rev 028 9 Fig 2 2a PVI 10KW PVI 13KW PVI 15KW Mounting Diagram standard side facing disconnects Fig 2 2b PVI 10KW PVI 13KW PVI 15KW with forward facing disconnect option ...

Страница 10: ...ode clearance for the standard side facing disconnects The inverter includes mounting feet for attachment to floors roofs roof plates roof pans or stands It also includes mounting tabs for wall mounting You can also use a combination of both mounting provisions For example 2 bolts in floor mount feet and 2 bolts in the wall mount tabs It is recommended to use galvanized grade 5 or better bolts or ...

Страница 11: ...ns If a stand is used be sure inverter is securely mounted to stand the stand is adequately designed for the unit s weight and the stand is adequately attached to the floor wall or roof NOTE In the case of roof floor mounting temporary removal of disconnect doors may facilitate easy wiring of the unit only while wiring however only do so if necessary and acceptable by local codes and applicable NE...

Страница 12: ...s that comply with the requirements in the Standard For Fittings For Conduit and Outlet Boxes UL514B are to be used For the 3 phase AC wiring use 6 AWG recommended for the 208VAC version of the 13 and 15kW minimum 90o C 194o F copper wire for connection with the inverter s 3 phase AC disconnect 8 AWG recommended minimum for the 480VAC versions of the 13 15kW and the 208VAC 10kW version 10 AWG for ...

Страница 13: ... fit up to 2 0 AWG Torque screws to 120 in lb If the PV conductors are upsized it may be necessary to upsize the DC equipment ground conductor or the grounding electrode conductor see Grounding Electrode Conductor Section below Lightning and Surge Protection The inverter is designed with certain protections against surges in voltage including certification to UL 1741 IEEE 1547 ANSI IEEE 62 41 62 4...

Страница 14: ...e grid to the inverter must follow clockwise phase rotation for L1 A L2 B and L3 C Test with a phase rotation tester or a scope meter Extech Fieldpiece Fluke and UEi make phase rotation meters Do not assume existing color code or building wiring is correct You must verify clockwise rotation with a meter NOTE It may be necessary to swap the phase A B wires connecting the building circuit to the inv...

Страница 15: ...tive up to 7 connections 12 8 AWG copper wire torque to 35 PV negative connections 4 2 AWG copper wire torque to 120 in lb PV positive connections 4 2 AWG copper wire torque to 120 in lb Example customer installer knockout connector wires 7 PV PV feed ground It is best to run individual PV feeds for each PV string to avoid combining negatives at the array Customer installer wires are not shown Fig...

Страница 16: ...W 208VAC or 240VAC versions A 60A breaker should be used for the PVI 15KW 208VAC A 40A breaker is recommended for the 10kW 208 240VAC versions 40A circuit breaker is recommended for all 480VAC versions and a 30A breaker is recommended for all 600VAC versions The grid impedance value at the connection point should be as low as possible to avoid an increase of the AC voltage to non permissible value...

Страница 17: ...onnectors of the PV panel The PV panel open circuit voltage must be below 475V DC Vpv 475 V DC under all conditions as per NEC 690 7 Please read the Technical Info section and see PV string sizing table in Appendix B All string sizing is approved by Solectria Renewables for your benefit upon order of inverter s Inverter with fused PV combiner in DC disconnect enclosure There are 6 7 fuse blocks fo...

Страница 18: ...rs go off the transfer switch disconnects the building with inverter s from the grid and the generator starts the inverter s will attempt to start in parallel with the building load generator With a large size generator and load the inverter will most likely come back on and run well If at any time the voltage or frequency of the system goes outside of the limits set in UL1741 then the inverter wi...

Страница 19: ...soon as DC PV voltage reaches 200V DC The inverter will go on line with the utility building 3 phase grid when the DC voltage first exceeds 270V DC strike voltage Next the inverter will load the array bringing the DC voltage down from 270V DC to not less than 205V DC Once the array open circuit voltage exceeds 270VAC and there is enough PV power at 205V DC to back feed 3 phase AC power switching w...

Страница 20: ...t be located before the inverter will function Check GFDI fuse if RED LED remains as solid If the GFDI fuse is blown see Opening the Main Enclosure section and Fig 9 Description and Location of Components Follow these instructions carefully disconnecting AC DC power and locate check and replace the GFDI fuse with a 0 75A midget fuse 500V DC or 600V DC rated such as Solectria Renewables P N KLK or ...

Страница 21: ... green starting synchronizing starting transformer yellow synchronization to grid red closing contactor green waiting for grid voltage yellow AC disconnect breaker to be closed Is absent red green AC fuse blown One AC power fuse blown yellow one phase Or one v sense fuse blown red Or one grid phase off blown green AC VOLTAGE TOO HIGH AC Grid Voltage above UL limits yellow alternating green red LED...

Страница 22: ...green Temperature Sensor Failure Temperature sensor read yellow five blinks below 30C red green Desat Failure Power stage desaturation failure yellow one blink pause two blinks red green IGBT over temperature Power stage junction temperature yellow one blink pause three blinks over limit 125C red green Utility Failure A failure of the Utility i e a blackout or yellow brownout has occurred red Unit...

Страница 23: ...the current menu To scroll up down the individual menu items To enter into selected menu Main Default Screen Eac XXXX kWh Pac XX W Press any of the following keys to move from the main default screen into the Start Menu To enter into selected menu item press the key Start Menu 1 Measurements 2 Set Inverter 3 Set Monitor 4 KYZ Meter 5 Display Info ...

Страница 24: ...ow Not adjustable 7 Fac Low AC Frequency Low Not adjustable 8 Fac Very Low AC Frequency Critical Low Not adjustable 9 Fac High AC Frequency High Not adjustable Note data is only available when inverter is awake and communicating Monitor Menu Displays monitor settings that may be modified with the keypad 1 LAN Local Area Network configuration applicable only for SolrenView monitoring 1 DHCP Mode Se...

Страница 25: ...e read the entire manual especially warning messages and Opening The Main Enclosure later in this section Only qualified personnel should attempt to open any of these enclosure doors or do any service or troubleshooting PV system not functioning Check LED indicator status Check connection to grid 3 phase AC voltage CLOCKWISE phase rotation with meter Check DC PV string connections or main PV feed ...

Страница 26: ...uses blown 0 5A or as labeled AC inside main enclosure Contact Solectria Renewables Do not replace fuses as this represents an abnormal failure No LED indications when sun is shining If grid voltage and DC PV voltage is present and no response from inverter is evident o Verify AC DC PV voltages are within proper ranges o Verify fuses in AC DC PV disconnect If equipped with PV Combiner are good If ...

Страница 27: ...lear and dry outside if the inverter is outdoors WARNING Both DC and AC disconnects must be in the off position and wait 60 seconds after the LED indicators are off before opening as electrolytic capacitors on the internal DC bus are discharging during this time Switch off DC disconnect Switch off AC disconnect and AC building panel circuit breaker if desired Watch until all LED indicators have be...

Страница 28: ...PVI 10KW PVI 13KW PVI 15KW Installation and Operation Manual DOC 020028 rev 028 28 Fig 9 Description and location of components ...

Страница 29: ...below Solectria Renewables Warranty Coverage Solectria Renewables Limited Warranties are provided by Solectria Renewables LLC Solectria Renewables and cover defects in workmanship and materials Duration of a Solectria Renewables Warranty Period The warranty period is 60 months from the date of purchase of the PVI 10KW PVI13KW PVI15KW by the end user or 64 months after the delivery date from Solect...

Страница 30: ...ide of the contiguous United States and Canada In the event an extended warranty option has been purchased this extended warranty only applies to exposed outdoor locations defined as rooftop or open unprotected locations if the product has been purchased to include the gasket sealed AC and DC disconnect option or has a protective cover around 3 sides of inverter unit back and sides and over the to...

Страница 31: ...ire water generalized corrosion biological infestations acts of God or input voltage that creates operating conditions beyond the maximum or minimum limits listed in the Solectria Renewables product specifications including high input voltage from generators and lightning strikes c The product if repairs have been done to it other than by Solectria Renewables or authorized trained service personne...

Страница 32: ...to assume for it any other liability in connection with the repair or replacement or the Product Exclusions of the Policy If your product is a consumer product federal law does not allow an exclusion of implied warranties To the extent you are entitled to implied warranties under federal law to the extent permitted by applicable law they are limited to the duration of this Limited Warranty Some st...

Страница 33: ...outside of the shipping box if they are shipped collect or if they are shipped to the wrong location Information Solectria Renewables needs when you are obtaining service 1 The model names and serial number of your product 2 Information about the installation and use of the unit 3 Information about the failure and or reason for the return 4 A copy of your dated proof of purchase Preparing the prod...

Страница 34: ...ring sizing charts in Appendix B The open circuit voltage of PV modules depends on the cell temperature and the solar irradiation The highest open circuit voltage occurs when the PV modules are at the coldest temperature and in bright sun See the following figure Fig 10 0 2 4 6 8 0 10 20 30 Voltage VDC DC Current A at 50 deg C at 20 deg C at 20 deg C Fig 10 Example representative PV module voltage...

Страница 35: ...r all conditions Maximum input current 52 69 77 ADC Maximum input power 10 6 14 16 kW DC inverter limited Maximum recommended 12 15 16 16 18 kW DC PV power modules STC 13 17 19 kW DC for 0 5 deg flat roof DC disconnect for PV positive included included included Ground fault protection per UL 1741 2005 NEC 690 5 Ground fault detection must detect 0 75 0 75 0 75 A Ground fault interrupt 0 75 0 75 0 ...

Страница 36: ...ting voltage range VAC 183 228 211 264 423 528 528 660 Over under voltage trip points and times per IEEE Std 1547 2003 Table 1 Voltage measurement accuracy 2 Over under frequency trip points and times per IEEE Std 1547 2003 Table 2 Frequency measurement accuracy 0 1 Hz Maximum Output Current PVI 10KW 28 A 24A 12 A 9 6A Maximum Output Current PVI 13KW 37 A 32A 16 A 12 7A Maximum Output Current PVI ...

Страница 37: ... Integral Break load rated NEMA 3R Ambient Temperature 25o to 50o C Storage Temperature 25o to 50o C Cooling Forced Convection Enclosure UL1741 rainproof Enclosure core electronics designed to IP 64 sealed Other Applicable Standards Compliance CSA22 2 107 1 FCC Part 15 Class A 0 5 10 15 200 250 300 350 400 450 DC PV Voltage VDC AC Power kW Fig 11 Output power of PVI 13KW example strike voltage 270...

Страница 38: ...al 7 RS485 GND 8 NC Mating AMPSEAL 8 pin connector Tyco part 776286 1 AMSEAL crimp contact Tyco part 770854 3 Please call for information on data logging options wiring diagrams See the Fat Spaniel manual if your inverter is equipped with Fat Spaniel Inverter Direct If Fat Spaniel or SolView gateway is installed in the inverter then the Ethernet CAT5 cable can be routed through the grommet on the ...

Страница 39: ...I_13KWString pdf The charts below are simplified string sizing examples Please use the charts on the website for complete charts for use across the country Appendix C Contact Information Solectria Renewables LLC 360 Merrimack Street Building 9 Lawrence Massachusetts 01843 USA Tel 978 683 9700 Fax 978 683 9702 Email inverters solren com Website www solren com Authorized Distributors Dealers Install...

Страница 40: ...PVI 10KW PVI 13KW PVI 15KW Installation and Operation Manual DOC 020028 rev 028 40 Appendix D UL1741 IEEE1547 Certification Letter ...

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