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Italy Facility
Via S. Giorgio, 642
52028 Terranuova Bracciolini
Italy
+39 055 9195 1
Camarillo Facility
740 Calle Plano
Camarillo, California, 93012
United States
805-987-8741
http://www.power-one.com
INSTRUCTION MANUAL FOR THE INSTALLER
TRIO-20.0-TL / TRIO-27.6-TL
TRANSLATION OF THE ORIGINAL INSTRUCTIONS
IMPORTANT SAFETY INSTRUCTIONS
This manual contains important safety instructions that must be fol-
lowed during installation and maintenance of the equipment.
SAVE THESE INSTRUCTIONS!
This manual must be considered as an integral part of the equipment,
and must be available at all times to
everyone who interacts with the equipment.
The manual must always accompany the equipment,
even when it is transferred to another user.
Operators are under an obligation to read this manual and strictly
follow the instructions given in it,
because Power-One cannot be held responsible for damage caused
to people or property, or for damage to the equipment,
if the conditions described below are not complied with.
The customer is under an obligation to keep the industrial secret,
and therefore the following documentation and its annexes
non may not be tampered with or modified, reproduced or transferred to
third parties, without the authorization of Power-One.
- 1 -
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Table of Contents
Related Manuals for Power One TRIO-20.0-TL
Summary of Contents for Power One TRIO-20.0-TL
- Page 1 Italy Facility INSTRUCTION MANUAL FOR THE INSTALLER Via S. Giorgio, 642 52028 Terranuova Bracciolini TRIO-20.0-TL / TRIO-27.6-TL Italy +39 055 9195 1 Camarillo Facility 740 Calle Plano Camarillo, California, 93012 United States 805-987-8741 http://www.power-one.com TRANSLATION OF THE ORIGINAL INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS This manual contains important safety instructions that must be fol- lowed during installation and maintenance of the equipment.
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Page 2: Introduction And General Information
1 - Introduction and general information onditions of warranty and supply Warranty conditions are described in an appropriate certificate supplied with the equipment. Moreover, the warranty conditions are understood to be valid if the Client observes what is described in this manual;... -
Page 3: Table Of Contents
Introduction and general information ontents 1 - Introduction and general information ....................2 Conditions of warranty and supply ........................2 Exclusions from the supply........................2 Contents .................................3 Reference number index ............................6 Graphical representation of references ......................6 The document and who it is for ..........................7 Purpose and structure of the document ....................7 List of annexes ............................7 Staff characteristics ..........................7... - Page 4 Introduction and general information Residual risks ..............................34 Table of residual risks .........................34 4 - Lifting and transport ........................35 General conditions ..............................35 Transport and handling ........................35 Lifting ..............................35 Unpacking and checking ........................35 List of supplied components .......................36 Kit of recommended spare parts ......................37 Weight of the equipment units ......................38 5 - Installation ...........................
- Page 5 Introduction and general information 6 - Instruments ..........................66 General conditions .............................66 Display and keypad .............................67 Description of symbols and display fields ..................67 Description of the keypad ........................68 7 - Operation ............................. 69 General conditions .............................69 Monitoring and data transmission ........................70 User interface mode ...........................70 Types of data available ........................70 Commissioning ..............................71...
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Page 6: Reference Number Index
Introduction and general information eference number index 01, bracket 10, service cable glands 19, Input connectors (MPPT1) 02, wiring box 11, DC cable glands 20, Input connectors (MPPT2) 03, inverter 12, jumpers 21, anti-condensation valve 04, cover 13, DC input terminal board 22, string fuses 05, clamp screw 14, AC+DC disconnect switch... -
Page 7: The Document And Who It Is For
Introduction and general information he document and who it is for urpose and structure of the document This operating and maintenance manual is a valid guide that will enable you to work safely and carry out the operations necessary for keeping the equipment in good working order. -
Page 8: Symbols And Signs
Introduction and general information ymbols and signs Table: Symbols In the manual and/or in some cases on the equipment, the danger or hazard zones are indicated with signs, labels, symbols or icons. This points out that it is mandatory to consult the manual or original document, which must be available for future use and must not be damaged in any way. -
Page 9: Field Of Use, General Conditions
Introduction and general information ield of use, general conditions Power-One accepts no liability for damage of any kind that may arise from incorrect or careless operations. The equipment must not be used for uses that do not fall within the intended field of use. -
Page 10: Characteristics
2 - Characteristics eneral conditions The description of the characteristics of the equipment allows its main components to be identified, to refine the technical terminology used in the manual. The Characteristics chapter contains information about the models, the composition of the equipment, the characteristics and technical data, the overall dimensions and the identification of the equipment. -
Page 11: Models And Range Of Equipment
The choice of model of inverter must be made by a qualified technician who knows about the installation conditions, the devices that will be installed outside the inverter and possible integration with an existing system. • 20 kW three-phase MODELS TRIO-20.0-TL-OUTD-400 TRIO-20.0-TL-OUTD-S2-400 TRIO-20.0-TL-OUTD-S2F-400 TRIO-20.0-TL-OUTD-S2X-400 •... - Page 12 Characteristics In addition to the label showing the specifications of the inverter, there are two part identification labels for the inverter and wiring box. These labels list the following information: Power-One TRIO-XX.X-XX-XXXX-XXX-XXX Inverter model P/N:PPPPPPPPPPP SN:SSSSSSSSSS WK:WW/YY Inverter Part Number Inverter Serial Number XXXXXXXXX Q1 Week/Year of manufacture...
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Page 13: Wiring Box Components
Characteristics iring Box components For both models of inverter 03 (20 kW or 27.6 kW), three wiring box 02 are available with different layouts. tandard / -S2 Version TRIO-XX.X-TL-OUTD: Standard version wiring box TRIO-XX.X-TL-OUTD-S2: S2 wiring box version, like the basic version but with AC+DC disconnect switch 14 Standard S2 Version... -
Page 14: S2X / -S2F Version
Characteristics S2X / -S2F Version TRIO-XX.X-TL-OUTD-S2F: S2F wiring box version, with snap-together connectors, string fuses 22 and AC+DC switch 14. TRIO-XX.X-TL-OUTD-S2X: S2X wiring box version, more complete ver- sion with quick fit connectors, string fuses 22, DC overvoltage surge arresters 15, AC overvoltage surge arresters 18 and AC+DC disconnect switch. -
Page 15: Principal Wiring Box Components
Characteristics rincipal wiring box components AC+DC switch 14 (wiring box S2 / S2F / S2X) Model: Telergon TFV1031E25501 or equivalent AC side Voltage Utilisation category Current 415 V AC AC22A DC side (per individual input channel) Voltage Utilisation category Current 1000 V DC DC21B String fuses 22 (wiring box S2F / S2X) -
Page 16: Characteristics And Technical Data
Characteristics haracteristics and technical data Table: Technical Data TRIO-20.0-TL-OUTD TRIO-27.6-TL-OUTD Input Rated Input Power (P 20750 Wp 28600 Wp Maximum Input Power (P 22700 Wp 31000 Wp dcmax Rated Input Voltage (V 620 V Input Activation Voltage (V 360 V (adj. 250...500 V) - Page 17 Characteristics Table: Technical Data TRIO-20.0-TL-OUTD TRIO-27.6-TL-OUTD Rated Power Factor (Cosphi > 0.995 (adj. ± 0.9, or fixed by > 0.995 (adj. ± 0.9, or fixed by display down to ± 0.8 display down to ± 0.8 with max 22 kVA )
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Page 18: Tightening Torques
Characteristics Table: Technical Data TRIO-20.0-TL-OUTD TRIO-27.6-TL-OUTD Safety and EMC Standard EN 50178, EN 62109-1, AS/NZS3100, AS/NZS 60950, EN61000- 6-2, EN61000-6-3, EN61000-3-11, EN61000-3-12 1. The AC voltage range may vary depending on specific country grid standard 2. The Frequency range may vary depending on specific country grid standard 3. -
Page 19: Bracket Dimensions
Characteristics racket dimensions The overall dimensions are expressed in mm and in inches 991.91mm 39.05’’ 978.9mm 38.54’’ 730.41mm 28.75’’ 554.9mm 21.84’’ 382.63mm 15.06’’ 164.36mm 6.47’’ 18mm 0.7’’ 25mm 0.98’’ - 19 -... -
Page 20: Efficiency Curves
Graphs of the efficiency curves of all the models of inverter described in this manual are shown below. The efficiency curves are linked to technical parameters that are continually being developed and improved and should therefore be considered approximate. TRIO-20.0-TL-OUTD-400 TRIO-20.0-TL-OUTD-S2-400 TRIO-20.0-TL-OUTD-S2F-400 TRIO-20.0-TL-OUTD-S2X-400... -
Page 21: Power Derating
The graphs show the automatic reduction of supplied power when input voltage values are too high or too low. TRIO-20.0-TL-OUTD-400 TRIO 20.0kW- Pout vs. Vin TRIO-20.0-TL-OUTD-S2-400 ParallelI Input TRIO-20.0-TL-OUTD-S2F-400... - Page 22 Characteristics TRIO 20.0kW- Pin and Pout vs. Vin1/Vin2 Independent Input (max channel unbalance) 25000 20000 15000 10000 5000 1000 Pin1 (8750Wmax) vs. Vin1 Vin[ V] Pin2 (12000Wmax) vs. Vin2 Poutv s.V in TRIO-27.6-TL-OUTD-400 TRIO 27.6kW- Pout vs. Vin TRIO-27.6-TL-OUTD-S2-400 ParallelI input TRIO-27.6-TL-OUTD-S2F-400 30000 TRIO-27.6-TL-OUTD-S2X-400...
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Page 23: Characteristics Of A Photovoltaic Generator
Characteristics haracteristics of a photovoltaic generator A PV generator consists of an assembly of photovoltaic panels that transform solar radiation into DC electrical energy and can be made up Strings: X number of PV panels connected in series Array: group of X strings connected in parallel trings and Arrays In order to considerably reduce the cost of installing a photovoltaic system, mainly associated with the problem of wiring on the DC side... -
Page 24: Description Of The Equipment
Characteristics escription of the equipment This equipment is a multi-string inverter that converts direct electric cur- rent from a photovoltaic generator into alternating electric current and feeds it into the national grid. Photovoltaic panels transform energy from the sun into direct current (DC) electrical energy (through a photovoltaic field, also called photo- voltaic (PV) generator;... -
Page 25: Connection Of Several Inverters Together
Characteristics onnection of several inverters together If the photovoltaic system exceeds the capacity of a single inverter, it is possible to make a multiple connection of inverters to the system, with each one connected to a suitable section of the photovoltaic field, on the DC side, and connected to the grid on the AC side. -
Page 26: Functionality And Components Of The Equipment
Characteristics unctionality and components of the equipment Analogue inputs External analogue sensors for monitoring the environmental conditions (temperature, sunlight, etc.) can be connected to the inverter. The analogue sensors are set directly from the display menus. Configurable relay The inverter has a configurable switching relay that can be used in vari- ous operating conditions set in the dedicated menu. - Page 27 Characteristics Monitoring surge arresters (S2X versions only) The inverter monitors the status of the surge arresters (both AC and DC) and generates a warning in the event of a fault (visible on the display). Data transmission and control The inverter or a grid of inverters may also be monitored remotely through an advanced communications system based on an RS-485 se- rial interface.
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Page 28: Topographic Diagram Of The Equipment
Characteristics opographic diagram of the equipment The diagram shown is a topographic diagram of the operation of the in- verter. The main blocks are the input DC-DC converters (called “boosters”) and the output inverter. Both the DC-DC converters and the output inverter operate at a high switching frequency and so enable a compact size and relatively light weight to be achieved. - Page 29 Characteristics - 29 -...
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Page 30: Protective Devices
Characteristics rotective devices nti-Islanding In the event of a local grid outage by the electricity company, or when the equipment is switched off for maintenance operations, the inverter must be physically disconnected safely, to ensure protection of people work- ing on the grid, all in accordance with the relevant national standards and laws. -
Page 31: Safety And Accident Prevention
3 - Safety and accident prevention afety instructions and general information The equipment has been manufactured in accordance with the strictest accident-prevention regulations and supplied with safety devices suitable for the protection of components and operators. For obvious reasons, it is not possible to anticipate the great number of installations and environments in which the equipment will be installed;... -
Page 32: Hazardous Areas And Operations
Safety and accident prevention azardous areas and operations nvironmental conditions and risks The equipment can be installed outdoors, but only in environmental conditions that do not prevent its regular operation. These conditions are reported on the thecnical data and on installation chapter. -
Page 33: Thermal Hazard
Safety and accident prevention hermal hazard WARNING: removal of guards or covers is allowed only 10 minutes after the voltage has been removed; ; this is to let components cool down and allow any electrostatic charges and parasitic voltages to be 10 min discharged. -
Page 34: Residual Risks
Safety and accident prevention esidual risks Despite the warnings and safety systems, there are still some residual risks that cannot be eliminated. These risks are listed in the following table with some suggestions to prevent them. able of residual risks RISK ANALYSIS AND DESCRIPTION SUGGESTED REMEDY Noise pollution due to installation in unsuitable environments or where... -
Page 35: Lifting And Transport
4 - Lifting and transport eneral conditions Some recommendation apply only to large size product or multiple small size packings. ransport and handling Transport of the equipment, especially by road, must be carried out with by suitable ways and means for protecting the components (in particular, the electronic components) from violent shocks, humidity, vibration, etc. -
Page 36: List Of Supplied Components
Lifting and transport ist of supplied components Table: Components supplied with the equipment Components available for all models Quantity Connector for connecting the configurable relay Connector for the connection of the communication and control signals L-key, TORX TX20 Two-hole gasket for M25 signal cable glands and 2 + 2 Two-hole gasket for M20 signal cable glands and 1 + 1... -
Page 37: Kit Of Recommended Spare Parts
Lifting and transport it of recommended spare parts A list of spare parts that are compatible with the TRIO inverter and in stock at the Power-One warehouse is given below. Code Description Quantity TRIO HANDLING KIT Kit of handles and eyebolts for lifting the in- 4 handles verter part 2 eyebolts... -
Page 38: Weight Of The Equipment Units
Lifting and transport eight of the equipment units Table: Weights Mass Lifting Minimum Holes or Eyebolts weight in kg points rope height UNI2947 n°# INVERTER unit TRIO-20.0: 60 kg 1.200 M 12 TRIO-27.6: 65 kg mounting kit with handles 06 and eyebolts (to order) WIRING BOX unit Basic / -S2: 7 kg... -
Page 39: Installation
5 - Installation eneral conditions Installation of the equipment is carried out based on the system and the place in which the equipment is installed; therefore, its performance depends on the correctness of the connections. Staff authorised to carry out the installation must be specialised and experienced in this job;... -
Page 40: Environmental Checks
Installation The installation must be carried out with the equipment disconnected from the grid (power disconnect switch open) and with the photovoltaic panels shaded or isolated. nvironmental checks • Consult the technical data to check the environmental parameters to be observed (degree of protection, temperature, humidity, altitude, etc.) •... -
Page 41: Installation Position
Installation nstallation position When choosing the place of installation, comply with the following condi- tions: • Install on a wall or strong structure suitable for bearing the weight. • Install in safe, easy to reach places. • If possible, install at eye-level so that the display and status LEDs can be seen easily. -
Page 42: Wall Mounting
Installation all mounting 10 x 10 mm Ø • Position the bracket 01 perfectly level on the wall and use it as a drilling template. • Drill the 10 holes required using a drill with 10mm bit. The holes must be about 70mm deep. -
Page 43: Operations Preparatory To Pv Generator Connection
Installation perations preparatory to PV generator connection hecking the correct polarity of the strings Using a voltmeter, check that the voltage of each string observes the correct polarity and falls within the input voltage limits accepted by the inverter (see technical data). If the voltage without load of the string is near the maximum value ac- cepted by the inverter, it must be borne in mind that with low ambient temperatures the string voltage tends to increase (in a different way ac-... - Page 44 B ground fault interrupter. In accordance with article 712.413.1.1.1.2 of Section 712 of IEC Standard 64-8/7, we hereby declare that, because of their construction, Power One Aurora inverters do not inject ground fault direct currents.
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Page 45: Configuration Of Single Or Parallel-Connected Input Channels
Installation onfiguration of single or parallel-connected input channels All versions of the inverter are equipped with two input channels (there- fore with double maximum power point tracker MPPT) independent of each other, which can however be connected in parallel using a single MPPT. -
Page 46: Channel Configuration Examples
Installation Channel configuration examples PV generator characteristics MPPT configu- Notes ration The photovoltaic generator consists A NECESSARY condition so that the two of strings having a different number MPPTs can be used in independent mode is for MPPT configu- of modules in series from each other. the photovoltaic generator connected to each ration The photovoltaic generator consists... -
Page 47: Input Connection To The Pv Generator (Dc Side)
Installation nput connection to the PV generator (DC side) Once the preliminary checks have been made and it has therefore been verified that there are no problems on the photovoltaic system, and once the channel configuration has been chosen (parallel or independent), the inputs can be connected to the inverter. -
Page 48: Connection Of Inputs On The S2F / S2X Model
Installation onnection of inputs on the S2F / S2X model For string connections using the S2F / S2X wiring box, the quick fit con- nectors (multicontact or weidmuller) situated at the bottom of the mecha- nism are used. For each input channel, there are two groups of connectors: •... -
Page 49: Procedure For Installing Quick Fit Connectors
Installation rocedure for installing quick fit connectors On the inverter models that provide quick coupling connectors, these can be provided in two different types: WEIDMULLER The installation of Weidmuller connectors does not require special tools. - Strip the end of the cable to which you are going to attach the connec- 4 - 6 mm tor (after making sure it conforms to the limits of the connector). -
Page 50: String Protection Fuses (-S2F / S2X Models Only)
Installation tring protection fuses (-S2F / S2X models only) izing of fuses Correctly sizing the string fuses 22 to be used for protection against return currents is very important since it can significantly reduce the risk of fire and damage to the PV generator. A “return current” can be ge- nerated in the event of a fault and relevant short-circuit at the ends of one or more PV modules of the system;... - Page 51 Installation The fuse selected according to the formula described above must take into account adjustments and derating factors such as: - Increase in the effective incident radiation at the installation site - Increase in Isc as a result of high temperature in the PV module - Thermal derating of the fuse - Maximum return current of the installed PV modules Power-One can supply fuse kits of different values...
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Page 52: Grid Output Connection (Ac Side)
The table shows the maximum length of the line conductor based on the cross-section of this conductor: Cross-section of the line con- Maximum length of the line conductor (m) ductor (mm TRIO-20.0-TL-OUTD TRIO-27.6-TL-OUTD 100m 138m The values are calculated considering an energy loss along the line (in rated power conditions) not exceeding 1%. -
Page 53: Load Protection Switch (Ac Disconnect Switch)
(AC disconnect switch) To protect the AC connection line of the inverter, we recommend install- ing a device for protection against over current and leakage with the following characteristics: TRIO-20.0-TL-OUTD TRIO-27.6-TL-OUTD Type Automatic circuit breaker with differential thermal magnetic protection... -
Page 54: Communication Card
Installation ommunication card M MOR CARD CARD communication card 09 Ref. Ref. Description manual inverter Switch for setting parallel-connected or independent input channels Connector for the installation of WIFI modules (NOT ACTIVE) J11 e J14 Connectors for radiomodule card installation Housing for memory card SD CARD S7 e S8 Rotary switches for setting the standard of the country and the language of the display... -
Page 55: Connections To The Communication Card
Installation onnections to the communication card Each cable that must be connected to the communication card 09 must go through the three service cable glands 10. • One of size M25 that accepts a cable with cross-section of between 10mm and 17mm. Two-hole gaskets are supplied for insertion in the cable gland, which allow two separate cables with cross-section of up to 6mm to go through. -
Page 56: Procedure For Connection To A Monitoring System
Installation Table: crimping scheme connectors RJ45 Pin N° Function not used not used +T/R not used -T/R not used FRONT GND COM not used Use a connector with metal For long distance connections, the connection on terminal connector is body to provide cable shield preferable using a shielded twisted pair cable with characteristic imped- continuity! ance of Z0=120 Ohm like the one shown in the following table:... -
Page 57: Monitoring System Via Serial (Rs485)
Installation If a single inverter is connected to the monitoring system, activate the termination resistance of the communication line by switching switch a12 or a13 (to ON position). Set a different RS485 address on each inverter of the chain. No inverter TERM. -
Page 58: Monitoring System Via Radiomodule
Installation onitoring system via Radiomodule The radiomodule card is an accessory used to replace the RS485 line for data transmission to the monitoring device. M MOR CARD The radiomodule card is installed vertically on the communication card CARD 09 by connecting the two a03 connectors. In turn, wiring ending with an antenna installed outside the wiring box is connected to the radiomodule: The part of the wiring box where the antenna will be installed will be in place of one of the service cable glands 10 of size M20. - Page 59 Installation • Alarm: the relay switches whenever there is an alarm on the inverter (Error). No switching occurs when there is a Warning. So if the NO (or NC) contact is chosen, the contact will stay open (or closed) until the inverter reports an error; once the inverter reports an error, the relay switches state and therefore closes (or opens).
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Page 60: Connecting Environmental Sensors
Installation onnecting environmental sensors External sensors for monitoring environmental conditions can be con- nected to the connectors of the environmental sensors a10: The sensor cables are connected to communication card 09 through the CARD CARD terminal connectors supplied. AN1 - Analogue sensor 1 connection AN2 - Analogue sensor 2 connection PT100 - Connection of a PT100 temperature sensor PT1000 - Connection of a PT1000 temperature sensor... -
Page 61: Connection Diagrams For Environmental Sensors
Installation Model Output signal Power supply TRIO 20/27.6 needed (24Vdc) compatibility compatibility PVI-AEC-IRR 0...10Vdc PVI-AEC-IRR-T 0...10Vdc PVI-AEC-RAD-13TC 0...10Vdc PVI-AEC-RAD-13-TC-T 0...10Vdc PVI-AEC-CONV-T100 0...10Vdc PVI-AEC-T1000-INTEGR 0...10Vdc PVI-AEC-WIND-COMPACT 0...10Vdc PVI-AEC-PYR-1300 0...20mA PVI-AEC-T100-ADH 3-wire connection on terminals: RTD1PT100 RTD2PT100 RTD3PT100 PVI-AEC-T1000-BOX 3-wire connection on terminals: RTD1PT1000 RTD2PT1000 RTD3PT1000 onnection diagrams for environmental sensors Connection diagrams for the main sensors marketed by Power-One... -
Page 62: Remote Control Connection
Installation emote control connection The connection and disconnection of the inverter to and from the grid can be controlled through an external control. The function must be enabled in the relevant menu. If the remote control function is disabled, the switching on of the inverter is dictated by the CARD CARD presence of the normal parameters that allow the inverter to connect to... -
Page 63: Grid Standard Setting Of The Country And Language Display
Installation rid standard setting of the country and language display There are different grid parameters (dictated by the electricity distributor) according to the country in which the inverter is installed. Setting the grid standard for the country of installation is a necessary operation before commissioning, and the installer must know the correct standard to be configured. -
Page 64: Grid Standard Of The Country And Display Language Saving
Installation The predefined setting is 0 / 0 and means no grid standard is selected Set Country and the display language is English (in this case, the “Set Country” mes- sage will appear on the display). If a position of switches not assigned on the display 23 is selected, “In- valid Selection”... -
Page 65: Installing The Wiring Box Cover
Installation nstalling the Wiring Box cover When you have finished connecting and configuring the inverter, and before you start it up, you must install the Wiring Box cover. During installation of the cover, perform the operations listed in order and use the specified torque for tightening the 6 screws (show in the technical data section) to IP65 maintain the inverter’s IP level... -
Page 66: Instruments
6 - Instruments eneral conditions One of the first rules for preventing damage to the equipment and to the operator is to have a thorough knowledge of the INSTRUMENTS. We therefore advise you to read this manual carefully. If you are not sure about anything or there is discrepancy in information, please ask for more detailed information. -
Page 67: Display And Keypad
Instruments isplay and keypad escription of symbols and display fields The operating parameters of the equipment are displayed through the display 23: warnings, alarms, channels, voltages, etc. During operation, the display behaves dynamically, which allows some information to be displayed cyclically (see relevant chapter). b1 - Indicates the transmission and reception of data through the RS485 line. -
Page 68: Description Of The Keypad
Instruments escription of the keypad Through the combination of LED panel 25 buttons, under the display 23, values can be set or data can be displayed by scrolling them. Some LEDs are also shown on the keypad 24 for status conditions. While pressing the ENTER key the cyclic display parameters can Locked... -
Page 69: Operation
7 - Operation eneral conditions Before checking the operation of the equipment, it is necessary to have a thorough knowledge of the INSTRUMENTS chapter and the functions that have been enabled in the installation. The equipment operates automatically without the aid of an operator; operating state is controlled through the instruments. -
Page 70: Monitoring And Data Transmission
Operation onitoring and data transmission As a rule, the inverter operates automatically and does not require spe- cial checks. When there is not enough solar radiation to supply power for export to the grid, (e.g. during the night) it disconnects automatically and goes into stand-by mode. -
Page 71: Commissioning
Operation ommissioning Do not place objects of any kind on the inverter during operation! Do not touch the heatsink while the inverter is operating! Some parts may be very hot and cause burns. The inverter commissioning procedure is as follows: NOTE: Before proceeding with commissioning, make sure you •... - Page 72 Operation • At this point the b17 icon will flash, this indicates the start-up of the DC-DC circuit (booster) part. This icon will remain permanently switched on when the DC-DC will be operating at steady state (the flashing of the icon usually lasts a few seconds).
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Page 73: Display Access And Settings
Operation isplay access and settings After the commissioning of the inverter, it is possible/necessary to set the configuration of the inverter by accessing the “Account Settings” from the display. The following are the main adjustable parameters (see the section dedicated to the “Menu descriptions”) •... -
Page 74: Dynamic Behaviour Of The Display
Operation ynamic behaviour of the display • If the MPPT scan function is enabled, icon b9 will be shown on the display. See configuration in the MPPT settings menu section. This icon will flash during scanning. • During operation, the following values are displayed in rotation: - Voltage and current (b15 and b16) from the PV generator. -
Page 75: Led Behaviour
Operation ED behaviour The following table shows all the possible combinations of activation of = LED on the LEDs, situated on the LED panel 25 in relation to the operating state = LED flashing of the inverter. = LED off (x) = Any one of the conditions described above Table: LED behaviour... -
Page 76: Specifications On The Behaviour Of The Leds
Operation pecifications on the behaviour of the LEDs Next to each state of the inverter, indicated through the steady or inter- mittent lighting of the relevant LED, a message that identifies the opera- tion it is carrying out or the detected fault/anomaly is also shown on the display 23, section b10, (see relevant chapter). -
Page 77: Description Of The Menus
Operation escription of the menus The display 23 has a section b10 (graphic display) for moving through the menu using the buttons of the LED panel 25. Section b10 consists of 2 lines with 16 characters per line and can be used to: •... -
Page 78: Statistics Menu
Operation tatistics menu Selecting STATISTICS from the three main sub-menus gives access to: STATISTICS 1. Lifetime 2. Partial 3. Today 4. Last 7 days 5. Last month 6. Last 30 days 7. Last 365 days 8. User Period 1. Lifetime This section of the menu allows you to display the Total statistics: •... - Page 79 Operation 5. Last month This section of the menu allows you to display the statistics for the last month: • E-mon: Energy produced during the current month • Val. : Value of production for the last month, calculated with the cur- rency and conversion coefficient set in the relevant section of the SET- TINGS menu •...
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Page 80: Settings Menu
Operation ettings menu When SETTINGS is selected from the three main sub-menus, the first screen for the password is displayed in the display. The default password is “0000”. This can be changed using the display buttons, always following the same procedure: •... - Page 81 Operation 1. Address This section of the menu allows you to set the address for the serial communication of single inverters connected to the RS485 line. The addresses that can be assigned are 2 to 63. Use the UP and DOWN buttons to scroll the numerical scale.
- Page 82 Operation Parameter Parameter description Setting range Set U>> Grid Over-voltage (OV) threshold (extended range) Unom … Unom x 1.3 Set U<< Grid Under-voltage (UV) threshold (extended range) 10V … Unom Set F>> Grid Over-Frequency (OF) threshold (extended range) Fnom … Fnom + 5Hz Set F<<...
- Page 83 Operation 4. New PW This section of the menu allows you to change the password for access- ing the settings menu (default 0000). We ADVISE you to be very careful in memorizing the new password. If the Password is misplaced, it will not be possible to access the inverter, since there is no Reset function for security reasons.
- Page 84 Operation 10. Remote Control This section of the menu allows you to enable/disable the connection/ disconnection of the inverter to/from the grid through the relevant control signal (R ON/OFF). • Disable: the connection/disconnection of the inverter to/from the grid is dictated by the input (voltage from the photovoltaic generator) and output (grid voltage) parameters of the inverter.
- Page 85 Operation select Enable and then OK (using the UP / DOWN arrows). When ena- bled, Set value will appear on the display permitting you to set the value of Cos-Phi (either Over or Under excited from 1.000 to 0.800) • Cos-phi = f(P): Power factor as a function of active power generated by the inverter.
- Page 86 Operation SENSORS PT100 AND PT1000 (can be directly connected to the corresponding analogue input; the PT100/PT1000 inputs of the acquisition card do not require the configu- ration of gain and offset) • PVI-AEC-T100-ADH: adhesive PT100 sensor for module temperature measurement •...
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Page 87: Info Menu
Operation nfo menu Selecting INFO from the three main sub-menus gives access to: INFO 1. Part No. 2. Serial No 3. Firmware 4. Country Select. 5. Analog Inputs 6. Fuse Control 1. Part No. May be used to display the model code and the T.ID code identifying the inverter’s hardware level. - Page 88 Operation 5. Analogue Inputs Allows you to display the reading of the measurements associated with the two analogue inputs A1/A2. 6. Fuse control (only -S2F / -S2X versions) • Strings: Displays the voltage and the state of the strings present at the input of the equipment.
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Page 89: Autotest Procedure Conforming To Standard Cei 0-21
Operation UTOTEST procedure conforming to standard CEI 0-21 The autotest in accordance with the CEI-021 grid standard may be start- ed using the menu on the display or using an RS485/USB converter with the dedicated interface software (Aurora Communicator). The conditions required to perform the Autotest are: •... - Page 90 Operation While the test is being performed, the set limits will be gradually in- creased/reduced (depending on the type of test) until the threshold at which the inverter is disconnected from the grid is reached. Autotest methods are as stated by current legislation. The start of the test is shown on the display with the message “Test in progress”...
- Page 91 Operation • ≤ 5 % for voltage thresholds • ± 20 mHz for frequency thresholds • ≤ 3 % ± 20 ms for tripping times Press ESC to go to the Autotest menu again, from which you may select the next test to be performed. - 91 -...
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Page 92: Turning Off The Inverter
Operation urning off the inverter Some parts may be very hot and could cause burns. Some inverter parts may be subject to voltages that could be hazardous for the opera- tor. Before performing any work on the inverter, follow the procedure for turning off the inverter. -
Page 93: Wiring Box Versions S2, S2F And S2X
Operation iring Box Versions S2, S2F and S2X • Put the AC+DC switch14 in the OFF (open) position. Under this condition the wiring box has hazardous voltages, identi- fied by the colours RED (up to 1000 V DC) and ORANGE (400V AC). Green areas may be freely accessed. -
Page 94: Maintenance
8 - Maintenance eneral conditions Checking and maintenance operations must be carried out by specialized staff assigned to carry out this work. Maintenance operations must be performed with the apparatus disconnected from the grid (power switch open) and the photovoltaic panels obscured or isolated, unless otherwise indicated. -
Page 95: Routine Maintenance
Maintenance outine maintenance Scheduled maintenance operations are not mandatory, but are recom- mended to preserve the efficiency of the PV plant. We recommend that maintenance operations be carried out by qualified personnel or by the personnel of Power-One (as set forth in a maintenance contract). The periodicity of the maintenance operations may vary in accordance with local envi- ronmental conditions and the installation Table: routine maintenance... - Page 96 Maintenance Display Display Alarm Cause Solution Message Codes Ground Red LED Ground Fault The alarm is generated when a ground If possible, measure the insulation resistance using a Fault leakage current is detected in the DC megohmmeter positioned between the photovoltaic field section of the system.
- Page 97 Maintenance Bulk Low E010 Low Bulk The alarm can be caused by causes If the error warning appears sporadically, it can be attributed Voltage external to the inverter: a low inverter to causes external to the inverter (insufficient irradiation, input voltage (just above the activation and therefore little power available from the PV generator) voltage) that is not accompanied by .
- Page 98 Maintenance Self Test E020 Booster relay Before connecting to the grid, the This is an error inside the inverter that cannot be checked Error 1 self-test fail inverter carries out some internal tests. externally. If the problem persists (after switching the inverter One of these tests regards the correct off and then on again), contact the Power-one Service.
- Page 99 Maintenance Error Meas E028 FGrid Error in the internal measurement of the This is an error inside the inverter that cannot be checked Measures grid frequency (imposed by regulations) externally. If the problem is persistent (even after switching Fault to have a measurement redundancy (2 the inverter off and then on again), contact the Power-one measurements on the same parameter Service.
- Page 100 Maintenance Riso Low E037 This error can appear only if the Check for the presence and correct contacting of the two insulation “Amorphous” mode is enabled. This terminals of the grounding resistor installed inside the resistance function is enabled only in inverters inverter.
- Page 101 Maintenance Jbox fail W017 Fuse-control Fuse(s) on the fuse boards is/are Using a multimeter, check the condition of the fuses (situated board fail damaged. on the fuse boards). (DC string Replace any open fuses and check that the input current on fail) the string(s) does not exceed the rating of the fuses (if string parallels have been made outside the inverter).
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Page 102: Dismantling The Inverter
Maintenance ismantling the inverter The inverter is composed of an Inverter part and a Wiring Box which may be dismantled separately. The paragraphs that follow describe dis- mantling procedures. Perform the steps for “Turning off the inverter” before dismantling one or both inverter parts. -
Page 103: Dismantling The Wiring Box
Maintenance ismantling the Wiring Box Procedure for dismantling the Wiring Box only: • Slacken the lock screw 27 on the underside • Slacken the 6 screws holding the cover of the Wiring Box • Remove all connecting cables coming from outside the box. •... -
Page 104: Resetting The Time Remaining To Change The Grid Standard
Maintenance esetting the time remaining to change the grid standard From the time a valid grid standard is entered and the inverter is turned on, a period of 24 hours is available to modify the grid standard setting. The 24 hours are counted only when the inverter is turned on. Check that the date and time are set correctly. -
Page 105: Associating A "New Component" After Replacement
Maintenance ssociating a “new component” after replacement The two parts that comprise the equipment (inverter and wiring box) are logically associated with one another. When the parts are dissocia- NEW SYSTEM PART ted from one another due to the wiring box or inverter being replaced REFUSED! (perhaps because of a failure, etc.), a message is displayed to indicate that the new component must be associated with the original part. -
Page 106: Replacing The String Fuses (Versions S2F / S2X)
Maintenance eplacing the string fuses (versions S2F / S2X) Replacing the string protection fuses in inverter versions S2F/S2X may be necessary when: 1. Adjusting the fuse rating in relation to the type of PV panel utilized 2. The fuse is damaged Replacing the fuse is carried out by means of the specific fuse carrier which makes it simple to extract the fuse and correctly position the new fuse when it is inserted. -
Page 107: Replacing The Back-Up Battery
Maintenance eplacing the back-up battery The back-up battery may need to be replaced when: 1. An error message is displayed 2. The date and time settings are reset The battery is of the CR2032 type and is installed on the communication board, but is accessible only by removing the protective plastic cover installed over the DC high-voltage sections. -
Page 108: Verification Of Ground Leakage
Maintenance erification of ground leakage In the presence of anomalies or report of ground fault (where provided), there may be a ground leakage from the PV generator (DC side). To check this, measure the voltage between the positive pole and ground and between the negative pole (of the PV generator) and ground using a voltmeter whose input accepts a voltage of at least 1000 Volts. -
Page 109: Behaviour Of A System With Leakage
Maintenance ehaviour of a system with leakage If the voltage measured between one of the two poles and ground does not tend to 0V and stabilizes on a value, there is a ground leakage from the PV generator. Example: When the measurement is made between positive pole and ground, a voltage of 200V is measured. -
Page 110: Measuring The Insulation Resistance Of Photovoltaic Generator
Maintenance easuring the insulation resistance of photovoltaic generator To measure the insulation resistance of the PV generator compared to ground , the two poles of the PV generator must be short-circuited (using a suitably sized switch). Once the short-circuit has been made, measure the insulation resistan- ce (Riso) using a megohmmeter positioned between the two shorted poles and ground (of the inverter). -
Page 111: Storage And Dismantling
Maintenance torage and dismantling torage of the equipment or prolonged stop If the equipment is not used immediately or is stored for long periods, check that it is correctly packed and contact Power-One for storage instructions. The equipment must be stored in well-ventilated indoor areas that do not have characteristics that might damage the components of the equipment.
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