Power One Aurora PVI-3.8/4.6-I-OUTD Installation And Operating Manual
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Power One Aurora PVI-3.8/4.6-I-OUTD Installation And Operating Manual

Photovoltaic inverters
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AURORA
Photovoltaic Inverters
INSTALLATION AND OPERATING
MANUAL
Model number: PVI-3.8/4.6-I-OUTD
Rev. 1.5

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Summary of Contents for Power One Aurora PVI-3.8/4.6-I-OUTD

  • Page 1 ® AURORA Photovoltaic Inverters INSTALLATION AND OPERATING MANUAL Model number: PVI-3.8/4.6-I-OUTD Rev. 1.5...

  • Page 2: Important Safety Instructions

    Installation and operating manual Page 2 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) TABLE OF CHANGES Revision of Author Date Description of changes Document Mastronardi F. 03/08/10 First release Mastronardi F. 17/05/11 First review Statuti A. 30/06/11 Second review Brogi D. 06/07/11 Third review Statuti A.
  • Page 3 Installation and operating manual Page 3 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) HOW TO USE THIS MANUAL This manual contains important instructions regarding safety and operation, which must be understood and carefully followed during the installation and maintenance of the equipment. In order to reduce the risk of electric shock and to be sure that the equipment is correctly installed and ready to operate, special safety symbols are used in this manual to highlight potential safety risks or useful information.
  • Page 4 Installation and operating manual Page 4 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) USEFUL INFORMATION AND SAFETY REGULATIONS FOREWORD The installation of AURORA inverters must be performed in compliance with national and local regulations. The AURORA inverter has no spare parts. For all kinds of maintenance or repair, please contact the authorized repair centre closest to you.
  • Page 5 Installation and operating manual Page 5 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) GENERAL When the inverter is operating, there can be parts that are live, or non-isolated, and in some cases also moving or rotating, and, in addition, some surfaces may become hot. Unauthorized removal of required protections, improper use, faulty installation or incorrect operation may cause serious damage to persons and things.
  • Page 6 Installation and operating manual Page 6 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) OPERATION The system in which the inverters are installed must be equipped with further control and protection devices, in accordance with the relative applicable safety standards, e.g. compliance with technical equipment, accident-prevention regulations, etc. Calibration variations are possible through the use of the operational software.
  • Page 7 Installation and operating manual Page 7 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) PVI-3.8-I-OUTD PVI-3.8-I-OUTD-S PVI-4.6-I-OUTD PVI-4.6-I-OUTD-S This documentation is only valid for the aforementioned inverter versions Product name plate (PVI-4.6-I-OUTD-S) The name plate affixed to the inverter contains the following information: 1) Manufacturer code 2) Model code 3) Serial number...

  • Page 8: Table Of Contents

    Installation and operating manual Page 8 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) CONTENTS: INTRODUCTION ..................11 PHOTOVOLTAIC ENERGY ............... 11 DESCRIPTION OF THE SYSTEM ............12 : “STRINGS” UNDAMENTAL ELEMENTS OF A PHOTOVOLTAIC SYSTEM “ARRAYS” ....................14 ..........16 ATA TRANSMISSION AND MONITORING AURORA ......
  • Page 9 Installation and operating manual Page 9 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) ............... 43 DOWN PROCEDURE USER INTERFACE, MONITORING, AND DATA TRANSMISSION ..44 ................44 SER INTERFACE MODE ................ 46 ATA TYPES AVAILABLE 5.2.1 Real-time operational data ..............46 5.2.2 Data stored inside the inverter ............... 47 ...................
  • Page 10 Installation and operating manual Page 10 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) DATA CHECK AND COMMUNICATION ..........83 RS-485 RJ45 ..83 ONNECTION THROUGH SERIAL PORT OR CONNECTORS 6.1.1 RS-485 serial port ................. 83 6.1.2 RJ45 connectors ................... 84 6.1.3 Daisy chain ..................84 TROUBLESHOOTING................

  • Page 11: Introduction

    Installation and operating manual Page 11 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) INTRODUCTION This document is a technical description of the AURORA photovoltaic inverter; the aim of the document is to provide the installer and user with the necessary information regarding the installation, operation and use of AURORA photovoltaic inverters. PHOTOVOLTAIC ENERGY In the energy transformation process, industrial companies (the greatest energy consumers) have for many years now, been experimenting with ways of saving energy...

  • Page 12: Description Of The System

    Installation and operating manual Page 12 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) DESCRIPTION OF THE SYSTEM AURORA is an inverter which is capable of feeding the power supply distribution grid with energy obtained from photovoltaic panels. The photovoltaic panels transform energy radiated by the sun into electrical energy in the form of direct current, or DC (through a photovoltaic field, also known as a PV generator);...
  • Page 13 Installation and operating manual Page 13 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) The models whose code ends in -S are supplied with an integrated DC switch 600 V, 25A as shown in Fig. 1. Fig. 1 - Block diagram of inverter with integrated DC switch The models whose code does not end in -S are supplied without the 600V integrated switch.

  • Page 14: Fundamental Elements Of A Photovoltaic System: "Strings" And "Arrays

    Installation and operating manual Page 14 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Fundamental elements of a photovoltaic system: “STRINGS” and “ARRAYS” In order to significantly reduce the costs of installing the photovoltaic system, costs linked especially to the wiring problem of the inverter DC side, and to the subsequent distribution on the AC side, the STRING technology was developed.
  • Page 15 Installation and operating manual Page 15 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) WARNING: To prevent damage to equipment, the string voltage must never exceed 520 Vdc. Due to the negative thermal coefficient of the open circuit voltage of the photovoltaic module, maximum voltage is obtained in conditions of minimum ambient temperature.

  • Page 16: Data Transmission And Monitoring

    Installation and operating manual Page 16 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) AC disconnect switch DC disconnect switch Fig. 3 - Simplified diagram of a photovoltaic system Data transmission and monitoring If more than one inverter is used, they may be monitored, even remotely, by using an advanced communication system which is based on the RS-485 serial interface.

  • Page 17: Protections

    Installation and operating manual Page 17 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) operation, in compliance with the applicable regulations as described in the paragraph on protective devices. The block diagram shows the PVI-3.8/4.6-I-OUTD model with two independent converters on DC-DC input. Each of these converters is dedicated to a separate array with an independent Maximum Power Point Tracking (MPPT) control.

  • Page 18: Ground Fault/Rcd Protection

    Installation and operating manual Page 18 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 2.4.2 Ground fault/RCD protection WARNING: In some cases, national and local regulations make it obligatory to connect one of the DC input terminals to the system ground. Carefully refer the national standard in order to ground the inverter input correctly. A specific connector allows connecting one and only one of the two DC input terminals (positive or negative) to the ground.

  • Page 19: Installation

    Installation and operating manual Page 19 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) INSTALLATION WARNING: the electrical installation of the AURORA inverters must be performed in compliance with the applicable local and national standards and laws. WARNING: connecting the AURORA inverters to the power supply distribution grid may only occur after having received authorization by the utility operating that grid.

  • Page 20: Inspecting The Package Contents

    Installation and operating manual Page 20 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Inspecting the package contents Description Quantity (No.) AURORA Inverter Bag containing: 4 screws 6.3x70, 4 SX10 anchors, Torx20 screwdriver, 1 screw 6x10, 5 washers d. 18, 2 counterparts for signal connectors (3 poles), 2 counterparts for signal connectors (8 poles) Bracket for wall mounting Copies of this manual...
  • Page 21 Installation and operating manual Page 21 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 150mm (6”) 150mm 50mm .(6”) (2”) 200mm (8”) Fig. 4 - Installation location - Minimum clearances around the inverter RECOMMENDED POSITIONING Fig. 5 - Recommended installation of AURORA inverters NOTE: Although titled mounting is possible (see Fig.
  • Page 22 Installation and operating manual Page 22 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) NO Derating Derating 0° -5° 5° Derating Derating Fig. 6 - Titled mounting AURORA must be mounted vertically. Follow the information contained in the following paragraphs in order to mount the device correctly. NOTE.

  • Page 23: Wall Mounting

    Installation and operating manual Page 23 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 3.3.1 Wall mounting Included in the shipping package is a kit containing 4 steel screws 6.3x70 (with 4 M6 washers) and 4 SX10 anchors, necessary for attaching the metal bracket to a concrete wall.
  • Page 24 Installation and operating manual Page 24 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Fig. 7 – Wall mounting...

  • Page 25: Preliminary Operations For Electrical Connection

    Installation and operating manual Page 25 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Preliminary operations for electrical connection WARNING: The electrical connection must only be made after the inverter has been firmly fixed to the wall. WARNING: The connection from the inverter to the power supply distribution grid must be performed exclusively by qualified personnel, and only after authorisation has been received from the power supply provider managing the distribution grid.

  • Page 26: Procedure Of Connection / Disconnection

    Installation and operating manual Page 26 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 3.4.1 Procedure of CONNECTION / DISCONNECTION WARNING: It is advised to carefully follow the steps of this procedure in order to avoid possible damage to property and/or persons and damage to the equipment.

  • Page 27: Procedure For Accessing The Internal Terminal Blocks By Removing The

    Installation and operating manual Page 27 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) WARNING: When selecting cables, several factors have to be considered: nominal voltage, isolation rating, maximum operating temperatures, current rating, and flammability rating, in accordance with the national regulations of the country of installation.

  • Page 28: Ac And Dc Wire Selection

    Installation and operating manual Page 28 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 3.4.3 AC and DC wire selection The following tables will help the installer to select AC and DC wires PVI-3.8-I-OUTD 167°F 194°F (75°C) (90°C) DC input wiring PVI-3.8-I-OUTD 10-6 Ground PVI-3.8-I-OUTD AC output wiring...

  • Page 29: Installation Of The Aurora Inverter

    Installation and operating manual Page 29 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 3.4.4 Installation of the AURORA inverter. WARNING: The maximum DC input current to each of the two MPPT circuits should not exceed 14Adc (PVI-4.6-I-OUTD), and 12.5Adc (PVI-3.8- I-OUTD), under any conditions. WARNING: Follow the procedure step-by-step in order to avoid damage to things and injury to people.

  • Page 30: Possible Configurations Of Input Channels

    Installation and operating manual Page 30 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 3.4.5 Possible configurations of input channels WARNING: Before carrying operation, follow connection/disconnection procedure detailed in paragraph 3.4.1. The inverter models referred to in this manual are supplied with two input channels, “1”...

  • Page 31: Connection With Independent Channels

    Installation and operating manual Page 31 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 3.4.5.1 Connection with independent channels WARNING: Before carrying operation, follow connection/disconnection procedure detailed in paragraph 3.4.1. WARNING: The conditions which are NECESSARY to put in operation the two MPPT in the indipendent modality are the following: The photovoltaic generator connected to each of two inputs, must provide the current (14 Adc for PVI-4.6-OUTD, 12.5 for PVI-3.8-I- OUTD) and the maximum power LESS than the limit of current and...
  • Page 32 Installation and operating manual Page 32 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Fig. 10 – Parallel connection of channels Check that the jumpers are inserted and that the selector switch in Fig. is in the "PAR" position.
  • Page 33 Installation and operating manual Page 33 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Fig. 11 – Parallel/independent configuration switch...

  • Page 34: Connection To The Ac Grid

    Installation and operating manual Page 34 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 3.4.6 Connection to the AC grid WARNING: Before carrying operation, follow connection/disconnection procedure detailed in paragraph 3.4.1. Step 1: Remove the front cover of the inverter as shown in section 0. Step 2: Connect the AC cables from the external disconnector to the internal inverter terminal box indicated by the serigraphy “GRID”.

  • Page 35: Connection Of Alarm Cables And Rs485 (Optional)

    Installation and operating manual Page 35 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 3.4.7 Connection of alarm cables and RS485 (optional) WARNING: Before carrying operation, follow connection/disconnection procedure detailed in paragraph 3.4.1. Step 1: Remove the front cover of the inverter as shown in section 0. Step 2: Replace one of the holes present on the bottom of the inverter with a cable gland (supplied) and use it to pass though the alarm relay or signal cables.
  • Page 36 Installation and operating manual Page 36 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Select the standard based on the following table: LEFT RIGHT GRID STANDARD COUNTRY LANGUAGE SELECTOR SELECTOR N.A. N.A. English DIN V VDE V 0126-1-1 GERMANY German Guida per le connessioni alla rete ITALY Italian elettrica di ENEL Distribuzione...

  • Page 37: Grounding Of Dc Inputs

    Installation and operating manual Page 37 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Fig. 13 - Selector switches for grid standard and grounding connector positioner 3.4.9 Grounding of DC inputs WARNING: Before carrying operation, follow connection/disconnection procedure detailed in paragraph 3.4.1. These inverter models are equipped with a special connector for grounding one of the input terminals.
  • Page 38 Installation and operating manual Page 38 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Fig. 14 - Connectors for grounding inputs It is possible to make the connection in two ways: a) Grounding of the negative DC terminal. b) Grounding of the positive DC terminal. WARNING: Option b) is only available when the inputs are configured in parallel.

  • Page 39: Cr2032 Lithium Battery Replacement

    Installation and operating manual Page 39 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) CR2032 Lithium Battery Replacement WARNING: Before carrying operation, follow connection/disconnection procedure detailed in paragraph 3.4.1. Inside AURORA, there is a CR2032 lithium battery. When the battery is at its end-of- life, a message will be shown on the display indicating the battery state.

  • Page 40: Replacement Of The Rs485 Communication Board

    Installation and operating manual Page 40 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Fig. 16 - Inverter memory WARNING: This component must be replaced by qualified personnel only. Replacement of the RS485 communication board WARNING: Before carrying operation, follow connection/disconnection procedure detailed in paragraph 3.4.1. It is possible to replace the RS485 communication board.

  • Page 41: Commissioning And Switching Off The Inverter

    Installation and operating manual Page 41 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) COMMISSIONING AND SWITCHING OFF THE INVERTER WARNING: do not place any items of any sort on top of AURORA during operation. WARNING: do not touch the heart sink when the inverter is operating as some parts may be extremely hot.
  • Page 42 Installation and operating manual Page 42 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) The procedure for commissioning AURORA is as follows: 1) Set the inverter integrated DC disconnector (for the photovoltaic panels) to the ON position 2) NOTE: The DC disconnector of the panels may or may not be integrated into the inverter, depending on the chosen model.

  • Page 43: Start-Up Using The Side Button

    Installation and operating manual Page 43 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Start-up using the side button If DC voltage is not present but the AC grid is properly connected and you wish to start the inverter, press the side button shown in Fig. 18 for more than 2 seconds. A beep indicates that the system has acknowledged the input given by pressing the button.

  • Page 44: User Interface, Monitoring, And Data Transmission

    Installation and operating manual Page 44 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) USER INTERFACE, MONITORING, AND DATA TRANSMISSION User interface mode Normally, the AURORA inverter operates automatically, and does not require any particular controls. When solar radiation is not sufficient to generate power to be input into the grid (for example, at night), AURORA automatically disconnects itself, entering into stand-by mode.
  • Page 45 Installation and operating manual Page 45 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Fig. 19 - Data Transmission Options...

  • Page 46: Data Types Available

    Installation and operating manual Page 46 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Data types available AURORA supplies two types of data which can be read through the display and/or through the appropriate interface software. 5.2.1 Real-time operational data Real-time operational data can be transmitted on demand through the communication lines, and will not be internally registered inside the inverter.

  • Page 47: Data Stored Inside The Inverter

    Installation and operating manual Page 47 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 5.2.2 Data stored inside the inverter AURORA stores the following data internally: Total meter of grid connection time Total meter of energy transferred to the grid Partial meter of energy (uses the same start time as the partial time meter) Daily energy meter Weekly energy meter Monthly energy meter...

  • Page 48: Led Indicators

    Installation and operating manual Page 48 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) LED indicators At the side of the display, there are three LEDs. The first from the left (POWER) indicates the proper functioning of the inverter; the central LED (FAULT) indicates the presence of an anomaly;...
  • Page 49 Installation and operating manual Page 49 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) The following table shows all the possible combinations of LED activation, with reference to the operational state of AURORA. Key: LED on LED flashing LED off Any of the aforementioned conditions OPERATIONAL LED STATUS NOTES...
  • Page 50 Installation and operating manual Page 50 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) green: Installation phase: During installation, it yellow: AURORA is indicates the address setting red: disconnected from the phase for RS-485 grid. communication Green: Disconnection from the Indicates that the grid is yellow: grid missing...
  • Page 51 Installation and operating manual Page 51 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 1) Night-time mode AURORA is in its night-time shut-down phase; this happens when the input power is too low to feed the inverter. 2) AURORA initialization and grid check The machine is in its initialization phase.
  • Page 52 Installation and operating manual Page 52 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 5) Anomaly-Fault indication Each time that AURORA's check system detects an anomaly or fault in the operation of the monitored system, the yellow LED lights up continually and a message indicating the type of problem detected will appear on the LCD display.

  • Page 53: Messages And Error Codes

    Installation and operating manual Page 53 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Messages and error codes The system status will be identified by message or error signals, shown on the LCD display. The tables below summarized the two types of signals which may be displayed. The MESSAGES indicate the current status of AURORA, they are not caused by faults and do not involve any action;...
  • Page 54 Installation and operating manual Page 54 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Wrong Mode E013 Wrong Input setting (Single instead of dual) Wrong setting of inputs (single channel instead of dual) Over Temp. E014 Overtemperature Internal temperature too high Cap. Fault E015 Bulk Capacitor Fail Bulk capacitor failure...

  • Page 55: Lcd Display

    Installation and operating manual Page 55 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) LCD Display 5.5.1 Connection of the system to the grid The two-line LCD display is located on the front panel, and shows the following: The operating status of the inverter and statistical data; Service messages for the operator;...
  • Page 56 Installation and operating manual Page 56 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) If the system is grounded (one of the two poles is connected to the ground) the first screens will be as follows GND ISO SELFTEST GND ISO SELFTEST RUN … Vgnd 130V Vgnd 130V If instead, the system is ungrounded (neither of the two poles is connected to the ground), the first screen will be as follows:...

  • Page 57: Error Messages

    Installation and operating manual Page 57 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 5.5.2 Error messages After the connection has been established, if the inverter detects incorrect information in the test cycle, the system will interrupt this cycle, indicating the error code. Refer to the table in paragraph 5.4 for information on error codes.
  • Page 58 Installation and operating manual Page 58 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) If the measures performed previously, in chapter .5.5.1, are found to give a positive result then the system will continue with other checks. The following screens repeat cyclically as described in the paragraph “GENERAL QUESTIONS REGARDING THE USE OF DISPLAY KEYS”.
  • Page 59 Installation and operating manual Page 59 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) VoutR 230 V VoutT 230 V VoutS 230 V Vout AvgR 230 V Vout AvgT 230 V Vout AvgS 230 V VoutX: measured instant phase / neutral grid voltage Vout AvgX: average grid phase / neutral voltage calculated over the last 10 minutes of inverter operation VoutRS...
  • Page 60 Installation and operating manual Page 60 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Pin 1 Pin 2 Pin1: measured input instant power of channel 1 Pin2: measured input instant power of channel 2 In a configuration with one input connected and a second input connected in parallel, this screen is shown instead of the screen previously described IsoOF Vgnd...

  • Page 61: Main Menu

    Installation and operating manual Page 61 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) In the event of problems with the clock or other inverter parts which are "not vital to the operation of the inverter" (insofar as the unit is still capable of producing energy), the type of problem will be indicated on the second line of the display, in the place of the date and time.

  • Page 62: Statistics

    Installation and operating manual Page 62 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 5.5.5 Statistics Select the STATISTICS menu to display the following submenu: Total Partial Today Last 7 days Last month Last 30 days Last 365 days User period The display only shows 2 lines, so to scroll through the entries or open the corresponding submenus, use the keys at the side of the display as described in paragraph: 5.5.3, GENERAL QUESTIONS REGARDING THE USE OF DISPLAY KEYS.

  • Page 63: Partial

    Installation and operating manual Page 63 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 5.5.5.2 Partial By selecting Partial, you can access the following information: Time E-par Ppeak Val. Time: Total operation time since the count was last reset * E-par: Total energy produced since the count was last reset* Peak: Measured peak power value since the partial meter was activated Val.

  • Page 64: Last 7 Days

    Installation and operating manual Page 64 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 5.5.5.4 Last 7 days By selecting Last 7 days, you can access the following information: E-7d Val. E-7d: Total energy produced during the last 7 days Val. : Economic gain during the last 7 days CO2: CO2 saving over the last 7 days compared to fossil fuels 5.5.5.5 Last month...

  • Page 65: Last 365 Days

    Installation and operating manual Page 65 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 5.5.5.7 Last 365 days By selecting Last 365 days, you can access the following information: E-365 Val. E-365: Total energy produced over the last 365 days Val. : Economic gain over the last 365 days CO2: CO2 saving compared to fossil fuels over the last 365 days 5.5.5.8 User period...

  • Page 66: Settings

    Installation and operating manual Page 66 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 5.5.6 Settings If you select SETTINGS from the Main menu (chapter 5.5.4), the first screen will appear on the display, concerning the password: Password Password **** 0000 The default password is 0000. It can be changed using the display keys in the usual way: Use ENTER to scroll from one figure to another (from left to right) Use ESC to return to the previous figure (from right to left)

  • Page 67: Address

    Installation and operating manual Page 67 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) GENERAL QUESTIONS REGARDING READING THE DISPLAY. The selected entry will be highlighted by an arrow on the left-hand side of the display. Once the chosen entry is selected, press ENTER to enter its submenu. 5.5.6.1 Address Using this function, you can set the addresses for the communication of individual...

  • Page 68: Service

    Installation and operating manual Page 68 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) AUTO: Automatic light management. The light turns on every time a key is pressed, and remains on for 30 seconds before gradually turning itself off. - The INTENSITY key allows for the regulation of backlight intensity on a scale of 1 to 9 2) Contrast : Display light contrast The scale of the display's light tones go from 0 to 9.

  • Page 69: Date/Time

    Installation and operating manual Page 69 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 5.5.6.6 Date/Time The time and date can be modified from this section, if necessary. Time 14:21 Date 17 May 2006 5.5.6.7 Language It is possible to set one of the following languages: ENGLISH, GERMAN, ITALIAN,FRENCH, SPANISH, CZECH.
  • Page 70 Installation and operating manual Page 70 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) OV Test Disconnection from distribution grid due to “Overvoltage” UV Test Disconnection from distribution grid due to “Undervoltage” OF Test Disconnection from distribution grid due to “Maximum frequency” UF Test Disconnection from distribution grid due to “Minimum frequency”...
  • Page 71 Installation and operating manual Page 71 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) OF Test During this test, the limit set for the maximum grid frequency (Hz) is reduced gradually until reaching the threshold for which the disconnection of the inverter from the distribution grid occurs.

  • Page 72: Alarm

    Installation and operating manual Page 72 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 5.5.6.10 Alarm The inverter is equipped with an alarm system which allows for the switchover of a relay contact (available both as a contact normally set open - N.O. - and as a contact normally set closed–...
  • Page 73 Installation and operating manual Page 73 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) • ALARM: the relay is activated in the case of alarm (code E). For example, if the N.O. (or N.C.) contact is chosen, it will remain open (closed) until an error occurs in the inverter (IT DOES NOT SWITCH OVER IN CASE OF WARNING or code W);...

  • Page 74: Remote Control

    Installation and operating manual Page 74 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 5.5.6.11 Remote Control This setting is used to enable/disable the inverter remote switch-off function through the appropriate control signal (on the signal terminal box). If you choose to enable this option, it will be possible to control AURORA’s ON/OFF function by connecting a relay contact or switch between the +R and –R contacts.

  • Page 75: Mppt

    Installation and operating manual Page 75 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 5.5.6.13 MPPT This function is used in order to set the parameters for the Maximum Power Point Tracker function. MPPT Amplitude: this setting allows you to choose the amplitude of disturbance introduced in DC in order to establish the optimal work point.
  • Page 76 Installation and operating manual Page 76 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Enable / Disable Enable Msg Compose message Disable Msg Move the selection arrow using the UP and DOWN keys, press ENTER to navigate the submenus or select the functions. Once the personalized message has been enabled, you must compose the message itself.

  • Page 77: Info

    Installation and operating manual Page 77 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 5.5.7 Info From this menu, you can access all the AURORA inverter data and display the grid standard and the chosen language through the specific selectors. The menu is structured as follows: Product ID (part number) Serial No.

  • Page 78: Autotest Procedure By Using Aurora Communicator

    Installation and operating manual Page 78 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) AUTOTEST PROCEDURE BY USING AURORA COMMUNICATOR The Autotest procedure can be carried out by using the AURORA Communicator software, included in the CD provided. To carry out autotest, follow the procedure below: Install the AURORA Communicator software on your PC.
  • Page 79 Installation and operating manual Page 79 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) • Click on Configuration > Configure Inverter • In the “Configure inverter” window, click on “Scan”: all the connected inverters will be shown under “Inverter list”. Select the inverter upon which the autotest is to be performed and press “OK”...
  • Page 80 Installation and operating manual Page 80 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) • On the start-up page, the selected inverter will now be shown. Right-click on the S/N of the inverter and click “Autotest”. • Select the test or tests of interest (check max voltage, check min voltage, check max frequency, check min frequency), checking off the corresponding check boxes and clicking on the start button to launch the test.
  • Page 81 Installation and operating manual Page 81 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) • The inverter will perform all of the tests selected in sequence, displaying its progress • At the end of each test, the “wait grid” screen will appear, while awaiting the inverter to re-connect to the grid.
  • Page 82 Installation and operating manual Page 82 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) When the AURORA Communicator has completed all of the requested tests, a summary screen will appear reporting the results of the various tests. NOTE: Click on the Export button to export the test results onto your PC in .csv or .txt format...

  • Page 83: Data Check And Communication

    Installation and operating manual Page 83 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) DATA CHECK AND COMMUNICATION Connection through RS-485 serial port or RJ45 connectors 6.1.1 RS-485 serial port The RS-485 serial port uses a three-wire cable: two for signals and a third for ground connection.

  • Page 84: Rj45 Connectors

    Installation and operating manual Page 84 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 6.1.2 RJ45 connectors Alternatively, the RS485 serial connection of the inverters, whether as single units or a daisy chain, can be performed by means of RJ45 connectors (see Fig .
  • Page 85 RS-485 cable (1pair + 1 conductor) + shield Block Diagram: RS-485 cabling AURORA PVI-3.8/4.6-I-OUTD Fig. 25 - Daisy chain connection NOTE: when using an RS-485 connection, there may be up to 62 inverters connected on the same chain. Choose any address between 2 and 63...

  • Page 86: Troubleshooting

    Installation and operating manual Page 86 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) TROUBLESHOOTING The AURORA inverters conform to the standards predefined for their operation in connection with a grid, for safety, and electromagnetic compatibility. Before the product is delivered, several tests are successfully performed to check the operation, protection devices, performance, and durability of the equipment.
  • Page 87 Installation and operating manual Page 87 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Before contacting the help service, we ask you to have to following information close to hand in order to maximize the efficiency of the operation: INFORMATION ON AURORA NOTE: Information available directly from the LCD display AURORA model? Serial number? Week of production?

  • Page 88: Technical Specifications

    Installation and operating manual Page 88 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) TECHNICAL SPECIFICATIONS Input values WARNING: the photovoltaic field and system wiring must be configured in such a way that the PV input voltage is less than the maximum upper limit, independent of the model, number and operating conditions of the chosen photovoltaic panels.
  • Page 89 Installation and operating manual Page 89 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 60-cell panel 36-cell panel 48-cell panel 72-cell panel 36.0 21.6 28.8 43.2 36.7 22.0 29.4 44.0 37.4 22.4 29.9 44.9 38.1 22.8 30.5 45.7 38.8 23.3 31.0 46.5 39.5 23.7 31.6 47.3...
  • Page 90 Installation and operating manual Page 90 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Value Value Description PVI–3.8-I-OUTD(-S) PVI–4.6-I-OUTD(-S) Maximum input power 4400 W 5260 W Rated input power 4000 W 4800 W Rated input voltage 330 Vdc Max. absolute input 520 Vdc voltage Input voltage, MPPT from 90 Vdc to 520 Vdc...

  • Page 91: Output Values

    Installation and operating manual Page 91 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Output values Value Value Description PVI–3.8-I-OUTD(-S) PVI–4.6-I-OUTD(-S) Rated output power 3800 W 4600 W Grid voltage, maximum 180 / 264 Vac (*) operating range Grid voltage, rated 230V Grid frequency, 47 / 63 Hz maximum range Grid frequency, rated...

  • Page 92: General Characteristics

    Installation and operating manual Page 92 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) General characteristics Value Value Description PVI–3.8-I-OUTD(-S) PVI–4.6-I-OUTD(-S) Maximum efficiency 96.8% Internal consumption in < 8 W stand-by mode Internal consumption at < 2 W night Operating ambient from -25°C to +60°C (*) temperature Environmental category For outdoor use (Outdoor)
  • Page 93 Installation and operating manual Page 93 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) 100% % of Rated Output Power Fig. 26 - Efficiency curve PVI-3.8-I-OUTD 100% % of Rated Output Power Fig. 27 - Efficiency curve PVI-4.6-I-OUTD...

  • Page 94: Power Derating

    Installation and operating manual Page 94 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Power Derating In order to ensure inverter operation in safe thermal and electrical conditions, the unit automatically reduces power input to the grid. Power derating may occur in two cases: Reduction in power due to environmental conditions The degree of power reduction, and the temperature at which it starts occurring, also depend, besides ambient temperature, on many operating parameters, including, for...
  • Page 95 Installation and operating manual Page 95 of 95 (PVI-3.8/4.6-I-OUTD Rev.: 1.5) Power Derating (single channel) 3000 2500 2000 PVI-4.6/3.8 1500 1000 Vin (V) Figure 29 – Derating curve compared to input voltage - use of only channel IN1 NOTE: The curves show a zone of non operation up to 90V; a linear derating zone up to 170V (PVI-4.6-I-OUTD), and 140V (PVI-3.8-I-OUTD);...

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