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Solectria Renewables PVI 3000 Installation And Operation Manual

Residential/commercial grid-tied photovoltaic inverter
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PVI 3000/PVI 4000
PVI 5000/PVI 5300
INSTALLATION AND OPERATION MANUAL
Residential/Commercial
Grid-Tied Photovoltaic Inverter
© 2009, Solectria Renewables
Subject to Change REV 2.0

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  • Page 1 PVI 3000/PVI 4000 PVI 5000/PVI 5300 INSTALLATION AND OPERATION MANUAL Residential/Commercial Grid-Tied Photovoltaic Inverter © 2009, Solectria Renewables Subject to Change REV 2.0...

  • Page 2: Important Safety Instructions

    Installation and Operation Manual IMPORTANT SAFETY INSTRUCTIONS This manual contains important instructions that shall be followed during installation and maintenance of the PVI 3000, PVI 4000, PVI 5000 and PVI 5300 Inverter. To reduce the risk of electrical shock, and to ensure the safe installation and operation of the inverter, the following safety symbols are used to indicate dangerous conditions and important safety instructions.
  • Page 3 NEC. The PVI 3000-5300 inverters are listed to UL1741/IEEE1547 (and comply with IEEE 62.41).  The PVI 3000-5300 contains no user serviceable parts. Do not open the inverter case as there are no used serviceable parts inside. Please contact Solectria Renewables or a Solectria Renewables authorized system installer for maintenance.

  • Page 4: Table Of Contents

    6.2 Return Material Authorization Policy....................Technical Data............................Appendices ..............................Appendix A: PVI 3000-5300 Brochure / Datasheet................. Appendix B: Example PV String Sizing Tables..................Appendix C: Contact Information & Authorized Dealers and Installers..........Appendix D: Negative Grounding and Positive Grounding Option ............

  • Page 5: Introduction

    Careful optimization of the overall inverter system’s cost and efficiency lead to the choice of a 600V DC maximum system voltage for the power levels of the PVI 3000, 4000, 5000 and 5300 for use with 1kW to 7kW PV arrays per inverter.
  • Page 6 All error messages and operating conditions of the PVI 3000 - PVI 5300 as well as the PV system can be shown on the display. Downloading data from the PVI 3000 - PVI 5300 for analysis on a PC is also possible over the data interfaces (RS232 or 485).
  • Page 7 (GFDI) of the PV array. The PV array negative is grounded inside the inverter (and must not be grounded at any other point). Diagram of the PVI 3000/4000/5000/5300 Features (1) AC knockouts (and on back) (2) PV array ground fault interrupt (GFDI) fuse...

  • Page 8: Installation

    WARNING: Electrical installation shall be done in accordance with all local electrical codes and the National Electrical Code (NEC), ANSI/NFPA 70. WARNING: Connecting the PVI 3000-5300 to the electric utility grid must only be done after receiving prior approval from the utility company and installation completed only by qualified personnel/licensed electrician(s).
  • Page 9 – provide external ventilation, to maintain an ambient condition of less than 131 F (55 C). The ambient temperature should be kept as low as possible.  Use the dimensional diagrams below for correct mounting of the inverter. PVI 3000/PVI 4000 DIMENSIONAL DIAGRAM 9.88” 5.75” 17.75” 145.5 4.94” 3.7” 1.75”...
  • Page 10 Fig. 2.1 PVI 3000/4000/5000/5300 Dimensional Diagram Placement and location · PVI 3000/4000/5000/5300 inverters that must be vertically mounted may be located indoors or outdoors, given the NEMA 3R rating. · Avoid mounting the inverter on a location where is exposed to direct rain.
  • Page 11 39” 39” Fig2.1.1 Clearances recommended for PVI 3000/4000/5000/5300 inverter installation Mounting details The steps listed below describe how to mount the inverter on the wall: After taking the inverter out of the cardboard box, you will find the bracket in the bag behind the heatsink. First, the...
  • Page 12 PVI 3000/4000/5000/5300 Installation and Operation Manual Mounting flanges Mounting slots for securing the inverter Mounting flanges Fig 2.2.1 Remove the bracket from the inverter 1. Use the bracket (Fig 2.2.2) as a template to mark the locations on the wall where holes should be drilled. After drilling the holes, the mounting bracket should be fastened to the wall with screws or screw-anchors as shown in Figure 2.2.3.
  • Page 13 PVI 3000/4000/5000/5300 Installation and Operation Manual 12” 22” 60cm 12” 40”-67” 100~170cm The height of the anchor head < 8mm ¼” diameter mounting screw recommended or 3/16-1/4” anchor bolt (as shown above) Fig 2.2.3 Fastening the mounting bracket 2. Once the mounting bracket is fastened to the wall, then the inverter and the wiring box (that are attached together) can be hooked onto the bracket and slipped down into place.
  • Page 14 PVI 3000/4000/5000/5300 Installation and Operation Manual Slide the mounting bolts at the top of the inverter over the Slide the mounting hooks on the inverter hooks on the mounting bracket over the hooks on the mounting bracket. flange with Flange with...
  • Page 15 PVI 3000/4000/5000/5300 Installation and Operation Manual GFDI Fuse For continued pro tection against risk of fire, replace o nly with same type and ratings of fuse. Fig 2.2.4 Hook the Inverter on the mounting bracket and then fasten with a screw at the bottom flange After the inverter is hooked properly on the bracket and secured with a screw at the bottom flange, then the inverter can be wired.

  • Page 16: Electrical Connection And Connection To Electrical Utility Grid

    AC and DC (PV) Connections: The PVI 3000-5300 inverters are equipped with covered holes and KOs to fit conduit fittings that are NEC code-compliant for use with several sizes of rigid and flexible metallic or non-metallic conduit. All conduit and wiring installation is done in the wiring box.
  • Page 17 The PVI 3000-5300 are 240V AC grid connected devices. They are also both suitable for 208V AC grid-connected use. For example, connection to 2 phase legs of a 208V AC, 3-phase service (where acceptable by code). No unit (PVI 3000, 4000, 5000, or 5300) can be used with just a 120V AC connection.

  • Page 18: Wiring The Inverter

    PV String Configurations: There is a huge number of PV module string combinations that will work well with the PVI 3000-5300 inverters given the very large DC voltage range in which the inverter can operate. See string sizing in Appendix B for some examples. This appendix also refers to a complete string sizing resource online.
  • Page 19 PVI 3000/4000/5000/5300 Installation and Operation Manual Fig 2.3.1 Turn the DC/AC disconnect switch OFF Fig 2.3.2 Remove the 4 screws on the wiring box Fig 2.3.3 remove the cover from the wiring box After the wiring box cover is removed, the conduit hole covers can be removed (or KOs in other locations punched out) as...
  • Page 20 The following three sections describe the wiring for the AC, DC, and communication ports. The AC and DC wiring shall be done in the wiring box of the PVI 3000/4000/5000/5300. There is a pair of DC terminal blocks, DC fuse, a bypass terminal block, two (2) RJ-45 connectors, and one (1) AC terminal block in the wiring box as shown in the Figure 2.3.5.
  • Page 21 However, it may be reconfigured for a connection without a neutral. The utility configuration jumpers, J210, are located on the control board as shown in the figure 2.3.6 are used to set the PVI 3000-5300 inverter to be connected to the commonly used utility configuration types shown in the figure 2.3.7.
  • Page 22 Reconfirm that the circuit breaker to the grid/utility is switched OFF before connecting the power wires from the breaker to the inverter AC terminal block. Use #10 AWG to #6 AWG, 90 C (194 F) copper wire for all AC wiring connections to the PVI 3000/4000/5000/5300 ·...
  • Page 23 (4) independent PV strings to be fused and connected in parallel in the wiring box and then feed into the inverter (or 3 in the case of the PVI 3000). The PVI 3000-5300 inverter is shipped with up to four (4) 15A, 600Vdc PV string fuses in the wiring box for the PV strings.
  • Page 24 PVI 4000 supports only four (4) PV string fuses The PVI 3000 is shipped with three (3) 15A, 600Vdc PV string fuses as shown in the Figure 2.3.10, below; therefore, the fourth pair of terminals (from left) shall not be used to connect to a PV string.

  • Page 25: Connection Of Communication Wiring

    2.4 Connection of Communication wiring The PVI 3000-5300 inverter supports two common data interface standards, RS-232 and RS-485 that will be used to communicate to the remote computer or communication gateway. Only one of the communication interfaces can work at a time.
  • Page 26 PC computer to inverter, use free RS232 software 6 ft From downloads tab in Solrenview website Cable, RS485 comm. PVI 3000-5300 WIH-020082 RS485 cable for communication gateways 7 ft Cable, RS485 daisy chain PVI 3000- WIH-020081 RS485 jumper cable, for 3000-5300 inverter-to- 30 in. 5300 inverter WIH-020081...

  • Page 27: Commissioning The Inverter And Pv System

    Wiring inverters in parallel PVI 3000-5300 inverters can be connected in parallel when more power is needed. In the parallel configuration, each inverter shall connect to its own PV array. It is not recommended to connect one PV array to more than one inverter. This may cause the inverter to work abnormally.

  • Page 28: Power, Ground Fault, Error Led Indicators And Lcd Display

    The inverter operates automatically without the need for user interaction or maintenance. The PVI 3000-5300 automatically starts feeding AC power into the grid every morning as the sun rises, as soon as sufficient DC voltage and PV power is available. The inverter microcontroller runs through various checks before going online with the...

  • Page 29: Power, Ground Fault And Error Led Indicators

    PVI 3000/4000/5000/5300 Installation and Operation Manual 4.1 Power, Ground Fault and Error LED Indicators There are three light-emitting diodes (LEDs) mounted on the front (center) of the inverter to show the operating condition of the inverter (to the right of the LCD display).
  • Page 30 PVI 3000/4000/5000/5300 Installation and Operation Manual LED Indication Table LED indicators Operating Status Description Green Initialization The PVI 3000-5300 inverter is in Yellow initialization. Green System Check mode The inverter is in System Check Yellow mode. Green Monitor mode The inverter is in Monitoring mode.

  • Page 31: The Lcd Display

    4.2 The LCD Display The PVI 3000-5300 inverter is supplied ready to operate so there are no settings, which need to be made by the user for fully automatic feeding of power into the grid. The device comes standard with an LCD display on which various data can be read.
  • Page 32 PVI 3000/4000/5000/5300 Installation and Operation Manual If the grid type is set to 240 Vac without neutral, then the display will be looked as the figure shown below. G r i d T y p e L 1 - L 2 2 4 0 V 3 seconds ↓...
  • Page 33 PVI 3000/4000/5000/5300 Installation and Operation Manual F a c L X X . X X H z C l r < X X X C y c s 3 seconds ↓ Then the LCD will display the setting of the AC high voltage limit above which value, inverter will reduce the output power until the AC voltage drops within this setting.
  • Page 34 PVI 3000/4000/5000/5300 Installation and Operation Manual M o d e M o n i t o r i n N e x t C o n n e c t X X X s 3 seconds ↓ V p v X X X 3 seconds ↓...
  • Page 35 PVI 3000/4000/5000/5300 Installation and Operation Manual The next messages are the up-to-minute data of the DC input voltages and the AC output voltage. The first two messages are for the PV array and the other two messages are for the AC output power. Vpv is the incoming voltages from the PV array.
  • Page 36 PVI 3000/4000/5000/5300 Installation and Operation Manual M o d e D e r a t i n g I p v M o d e D e r a t i n g I a c M o d e...
  • Page 37 PVI 3000/4000/5000/5300 Installation and Operation Manual S E Q V e r s i o n X . X X C U R V e r s i o n X . X X 3 seconds ↓ M o d e...
  • Page 38 PVI 3000/4000/5000/5300 Installation and Operation Manual The message below shows the PV DC voltage is too high…. M o d e F a u l t V p v H 3 seconds ↓ T r i p X X X . X V P r e s e n t X X X .
  • Page 39 PVI 3000/4000/5000/5300 Installation and Operation Manual Solectria PVI 4000 Fig 4.2.1 PVI 3000-5300 inverter LCD display flow-chart...

  • Page 40: Troubleshooting

    Identifying and resolving faults The PVI 3000-5300 is fitted with a self-diagnostic system, which can recognise a majority of possible faults and show these on the display. This allows the operator to rapidly identify possible problems in the solar inverter or system. Please refer to the LCD section (4) for a thorough explanation of fault codes, modes, etc.
  • Page 41 PVI 3000/4000/5000/5300 Installation and Operation Manual VacL2 L The voltage between L2 and neutral is under the lower limit. MOV Fault, AC High voltage protection function failed on the AC side. MOV Fault, DC High voltage protection function failed on the DC side.
  • Page 42 Replacing of the PV String Fuses The inverter is shipped with four (4) 15A, 600Vdc PV string fuses for PV strings (or three for PVI 3000). However, the size of the PV string fuse is determined by the electrical ratings of the PV module and by UL and National Electrical Code (NEC) requirements.

  • Page 43: Product Warranty & Rma Policy

    All replaced products and all parts removed from repaired products become the property of Solectria Renewables. Solectria Renewables will attempt to repair the unit within a reasonable time period (there is no reimbursement for lost energy production.) Solectria Renewables covers both parts and labor necessary to repair the product, and return shipment to the customer via a Solectria Renewables-selected non-expedited surface freight within the contiguous United States and Canada.
  • Page 44 What does the Solectria Renewables warranty not cover? Solectria Renewables Limited Warranties do not cover normal wear and tear of the product or costs related to the removal, installation, or troubleshooting of the customer's electrical systems. These warranties do not apply to and Solectria Renewables...

  • Page 45: Return Material Authorization Policy

    Please refer to your product user manual for limitations on uses of the product. Specifically, please note that Solectria Renewables products are not intended for use in connection with life support systems and Solectria Renewables makes no warranty or representation in connection with any use of the product for such purposes.

  • Page 46: Technical Data

    PVI 3000/4000/5000/5300 Installation and Operation Manual 7 Technical Data Technical Information and specifications – also see PVI 3000-5300 brochure for information and on the inverters. (see Appendix B for info). Input (DC) from PV array:  Maximum open circuit voltage of PV array: 600V DC...

  • Page 47: Inverter Specifications

    PVI 3000/4000/5000/5300 Installation and Operation Manual Inverter Specifications PVI 3000 PVI 4000 PVI 5000 PVI 5300 DC Input Specifications Continuous Power @240 VAC 3050W 4100W 5150W 5575W @208 VAC 2840W 3580W 4520W 4840W Recommended Max. PV 3600W 4900W 6200W 6700W...
  • Page 48 Output to AC grid connection: The PVI 3000-5300 is designed to feed power into a standard 60Hz, 240 or 208V AC utility service or 208V AC provided within a facility by a step down transformer (for example, from 480V AC service). As required by NEC, there must be a dedicated 2-pole circuit breaker for the PV inverter connection.

  • Page 49: Appendices

    The brochure can also be viewed on the website: http://www.solren.com/downloads/PVI_3000-5300 kW.pdf Appendix B: Example string sizing PVI 3000/4000/5000/5300 (Note that the chart below is only to show how string sizing charts look. Please refer to the website version for complete and updated charts for use in all temperature zones across the country.) Updated string sizing tables are available on the website: www.solren.com...

  • Page 50: Appendix D: Negative Grounding And Positive Grounding Option

    PV strings to be connected in parallel in the wiring box and then feed into the inverter. The PVI 4000, 5000, and 5300 are shipped with up to four (4) 15A, 600Vdc PV string fuses for the PV strings. The PVI 3000 is shipped with three (3) 15A, 600Vdc PV string fuses, and therefore, the fourth pair of terminals (from left as shown in figure D1 are not be used to connect to a PV string.
  • Page 51 PVI 3000/4000/5000/5300 Installation and Operation Manual JP15 JP14 Black wire connected to Black wire connected to Grounded, DCIN- DCIN- Red wire connected to Red wire connected to DCIN+ Ungrounded, DCIN+ Fig D2 Negative Ground Setting and Vdc wires connections connect to PV+...
  • Page 52 Connection of the DC wiring for Positive Grounded Systems The PVI 3000-5300 inverter also supports positive ground for some applications. This option should be ordered from the factory if positive grounding is desired. If ordered as positively grounded with the “P” suffix on the part number, it will come with a label on the front stating that it is a Positive Grounded unit and the PV+ and PV- will be labeled for positively grounded, etc.
  • Page 53 PVI 3000/4000/5000/5300 Installation and Operation Manual connect to PV+ UNGROUNDED GROUNDED CONDUCTOR CONDUCTOR Fig D5 DC terminal blocks for DC cable connection in Positive Ground CAUTION! The Positive Polarities of the DC input from a PV strings shall be correctly connected to the original “Grounded (-)”...

  • Page 54: Appendix E: Fault Repot Form

    PVI 3000/4000/5000/5300 Installation and Operation Manual PVI 3000-5300 PV Inverter Fault Report Form Appendix E. Basic information Model (i.e. “PVI 3000”) Serial number Purchased from Purchased date Installation information Type of installation Residential Commercial Installation date First operation date AC wire size and length...

  • Page 55: Appendix F: Ul1741/Ieee1547 Listing Letter

    PVI 3000/4000/5000/5300 Installation and Operation Manual Appendix F – UL1741/IEEE1547 Listing Letter...

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