Fimer UNO-DM-6.0-TL-PLUS-Q Product Manual
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Fimer UNO-DM-6.0-TL-PLUS-Q Product Manual

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UNO-DM-6.0-TL-PLUS-Q

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Summary of Contents for Fimer UNO-DM-6.0-TL-PLUS-Q

  • Page 1 Product Manual UNO-DM-6.0-TL-PLUS-Q...
  • Page 2 Other than under explicit contractual commitments, in no event shall FIMER be responsible or liable for any loss or damage resulting from the use of this manual or the application of the equipment.
  • Page 3 3 - Safety and accident prevention 4 - Lifting and transport 5 - Installation 6 - Instruments 7 - Operation 8 - Maintenance 9 - Attachments FIMER-UNO-DM-6.0-TL-PLUS-Q-Product manual EN-Rev C (M000049CG) EFFECTIVE 26/05/2021 © Copyright 2021 FIMER. All Rights Reserved.

  • Page 4: Table Of Contents

    Accessory Board UNO-DM-COM KIT (optional accessory) .............22 Accessory Board UNO-DM-PLUS-COM Ethernet KIT (optional accessory) ........23 REACT-MTR-1PH energy meter ......................24 FIMER B23, B24 3PH energy meter ....................24 FIMER B21 1PH energy meter ......................25 Characteristics and technical data .....................26 Tightening torques ........................28 Overall dimensions .......................28...
  • Page 5 Notes on the system sizing ....................35 Operating diagram ..........................36 Functionality and components of the equipment ..............37 Topographic diagram of the equipment UNO-DM-6.0-TL-PLUS ......................40 Safety devices ............................42 Anti-Islanding ........................42 Ground fault of the photovoltaic panels ................42 Other safety devices ......................42 Lifting and transport ......................... 43 General conditions ..........................43 Transport and handling .......................43 Lifting .............................43...
  • Page 6 Connection of the energy meter ......................78 Connection of the REACT-MTR-1PH (single-phase) ............78 Connection and configuration of the FIMER B21 meter (single-phase) ........................80 Connection and configuration of the FIMER B23, B24 3PH (three-phase) .........................83 Closing the front cover ........................86 Instruments ............................87 General conditions ..........................87...
  • Page 7 Verification of ground leakage ......................157 Behaviour of a system without leakage ................157 Behaviour of a system with leakage ...................158 Measuring the isolation resistance of the PV generator..............159 Storage and dismantling ........................160 Storage of the equipment or prolonged stop ..............160 Dismantling, decommissioning and disposal ..............160 Attachments ............................

  • Page 8: Safety And Accident Prevention

    The operators must read and comply with the technical information and instruction provided in the manual and in the attached documentation. FIMER accepts no liability for failure to comply with the instructions for correct installation and cannot be held responsible for the upstream or downstream equipment.

  • Page 9: Symbols And Signs

    1 - Safety and accident prevention Symbols and signs In the manual and/or in some cases on the equipment, the danger or hazard zones are indicated with signs, labels, symbols or icons. Symbol Description 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 10 1 - Safety and accident prevention Symbol Description Risk of electric shock.The discharge time (quantified in the figure by the number XX) of the stored energy after de-energizing of the Inverter from both DC side and AC side. Warning! Refer to the dedicated procedures in the Instruction Manual before accessing to active parts inside the Inverter.

  • Page 11: Installation And Maintenance Safety

    1 - Safety and accident prevention Installation and maintenance safety General safety information Do not proceed with installation if the integrity of the equipment is compromised. Do not use the equipment if you find any operating anomalies. Avoid temporary repairs. All repairs should be carried out using only genuine spare parts, which must be installed in accordance with their intended use.

  • Page 12: Electrical And Thermal Safety

    Do not perform insulation or voltage withstand tests on the inverter. FIMER inverters must be earthed via the connection points marked with the protective earth symbol and using a cable with an appropriate conductor cross-section for the maximum ground fault current that the generating system might experience.

  • Page 13: Residual Risks

    1 - Safety and accident prevention Residual 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. Table of residual risks RISK ANALYSIS AND DESCRIPTION SUGGESTED REMEDY Noise pollution due to installation in unsuitable environments or where...

  • Page 14: Introduction And General Information

    FIMER declares that the equipment complies with the provisions of law currently in force in the country of installation and has issued the corresponding declaration of conformity.

  • Page 15: Scope And Target Audience

    List of appendix documents In addition to this user manual and maintenance you can consult (and download) the product documentation by visiting www.fimer.com Part of the information given in this document is taken from the original supplier documents. This document contains only the information considered necessary for the use and routine maintenance of the equipment.

  • Page 16: Application Area, General Conditions

    2 - Introduction and general information Application area, general conditions FIMER shall not be liable for any damages whatsoever that may result from incorrect or careless operations. You may not use the equipment for a use that does not conform to that provided for in the field of use.

  • Page 17: Characteristics

    Characteristics General conditions A description of the equipment characteristics is provided to identify its main components and specify the technical terminology used in the ma- nual. This chapter contains information about the models, details of the equipment, characteristics and technical data, overall dimensions and equipment identification.

  • Page 18: Models And Range Of Equipment

    3 - Characteristics Models and range of equipment The following variants are available (suffix could be combined): - Standard Models (e.g. UNO-DM-6.0-TL-PLUS-B-G-QU). Models equipped with Wireless communication (-B suffix). - Models with “S” suffix (e.g. UNO-DM-6.0-TL-PLUS-SB-G-QU). Models equipped with DC disconnecting switch The choice of the inverter model 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.

  • Page 19: Identification Of The Equipment And Manufacturer

    3 - Characteristics Identification of the equipment and manufacturer The technical data provided in this manual does not substitute the data supplied on the labels affixed to the equipment. The labels affixed to the equipment must NOT be removed, damaged, stained, hidden, etc., for any reason whatsoever.
  • Page 20 The officially required information is located on the Regulatory label. The Wireless Identifica- tion label is an accessory label which shows the information necessary for the identification and characterisation of the inverter by FIMER. The labels are NOT to be hidden by foreign objects and parts (rags, boxes, equipment, etc.);...

  • Page 21: Reference Number Index

    1- Introduction and general information Reference number index , Bracket , DC input connectors , DC disconnect switch (Only for -S models) , Heat sink , AC cable gland , UNO-DM-COM KIT Card or UNO-DM-PLUS , Vent membrane , Wireless antenna connector Ethernet COM KIT (optional accessory) , Front cover , External earth connection...

  • Page 22: Accessory Board Uno-Dm-Com Kit (Optional Accessory)

    1- Introduction and general information Accessory Board UNO-DM-COM KIT (optional accessory) , Inverter connector , Fixing hole , DRM0 activation jumper , ALARM terminal block , RS485 Termination line jumper , RS485 and REM terminal block...

  • Page 23: Accessory Board Uno-Dm-Plus-Com Ethernet Kit (Optional Accessory)

    1- Introduction and general information Accessory Board UNO-DM-PLUS-COM Ethernet KIT (optional accessory) , Inverter connector , ALARM terminal block , LAN Ethernet connector , RS485 Termination line jumper , Fixing hole , RS485 and REM terminal block , DRM0 activation jumper...

  • Page 24: React-Mtr-1Ph Energy Meter

    IN PU T : 11 0/ 23 0 V 50 /6 0 Hz 10 m A m ax FIMER B23, B24 3PH energy meter , FIMER B23, B24 , terminal block for three-phase connection , METER RS485 serial terminal block...

  • Page 25: Fimer B21 1Ph Energy Meter

    1- Introduction and general information FIMER B21 1PH energy meter , FIMER B21 1PH meter , AC power supply terminal block , METER RS485 serial terminal block...

  • Page 26: Characteristics And Technical Data

    3 - Characteristics Characteristics and technical data UNO-DM-6.0-TL-PLUS Input Side Absolute maximum DC input voltage (Vmax,abs) 600 V Start-up DC input voltage (Vstart) 200 V (adj. 120...350 V) Operating DC input voltage range (Vdcmin...Vdcmax) 0.7 x Vstart...580 V (min 90 V) Rated DC input voltage (Vdcr) 360 V Rated DC input power (Pdcr)
  • Page 27 (check your sales channel for availability) AS 4777, C10/11, IEC 61727, IEC 62116 1. Refer to the document “String inverter – Product Manual appendix” available at www.fimer.com to know the brand and the model of the quick fit connector. 2. Functionality with unbalanced channels.

  • Page 28: Tightening Torques

    3 - Characteristics Tightening torques To maintain the IP65 protection of the system and for optimal installation, the following tightening torques must be used: Service cable gland M32 (ring nut fastening) 5.0 Nm Service cable gland M32 (lock nut fastening) 7.5 Nm Front cover fastening screws 2.5 Nm...

  • Page 29: Bracket Dimensions

    3 - Characteristics Bracket dimensions The dimensions of the wall mounting bracket are expressed in 23.11 31.75 23.11 86.70 86.75 31.75 86.75 86.70 456.61 SIDE VIEW SECTION VIEW 50.25...

  • Page 30: Efficiency Curves

    3 - Characteristics Efficiency curves The equipment was designed considering current energy conservation standards, to avoid waste and unnecessary leakage. Graphs of the efficiency curves of all 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.

  • Page 31: Power Limitation (Power Derating)

    3 - Characteristics Power limitation (Power Derating) In order to allow inverter operation in safe thermal and electrical condi- tions, the unit automatically reduces the value of the power fed into the grid. Power limiting may occur due to: • Adverse environmental conditions (thermal derating) •...

  • Page 32: Power Reduction Due To The Input Voltage

    3 - Characteristics Power reduction due to the input voltage The graphs show the automatic reduction of supplied power when input voltage values are too high or too low. Pout Vs Vin (double input channel) Vin (Vdc)

  • Page 33: Characteristics Of A Photovoltaic Generator

    3 - Characteristics Characteristics of a photovoltaic generator A PV electric system consists of an assembly of photovoltaic modules that transform solar radiation into DC electrical energy and can be made up of: Strings: number of PV modules connected in series Array: group of strings connected in parallel Strings and arrays The string technology was developed to significantly reduce the instal-...

  • Page 34: Description Of The Equipment

    (via a photovoltaic field, also called PV generator); in order to use it, it is transformed into “AC” alternating current. This conversion, known as inversion from DC to AC, is done in an efficient way by the FIMER invert- ers, without using any rotary elements, rather only via static electronic systems.

  • Page 35: Mutual Connection Of Multiple Inverters

    A configuration program that can help to correctly size the photovoltaic system is available on the FIMER website (http://stringsizer.fimer.com).

  • Page 36: Operating Diagram

    3 - Characteristics Operating diagram The plant diagram shows how the integrated WLAN board allows the inverter to connect to a LAN local network using a wireless connection. The WLAN board features an advanced integrated webserver that enables to establish a direct connection to a PC, smartphone or tablet, allowing for inverter setup and local monitoring of the inverter.

  • Page 37: Functionality And Components Of The Equipment

    Touch with IOS and An- droid operating systems. 4. FIMER Ability™ for solar plants - Energy Viewer is an easy to use mobile application allowing solar plant owners to remotely monitor all the energy flows and the performance of their own pv plants, with and with- out an energy storage system installed.
  • Page 38 The Modbus RTU/TCP register map is the same for all the communication interfaces (Ether- net, RS-485 and Wireless communication) of the inverter. Please refer to FIMER solar official website or get access to Sunspec alliance website for get- ting the Modbus register map supported by the inverter.
  • Page 39 Power feeding modes vary according to the country of installation and the grid companies. For detailed information on the parameters and characteristics of this function, contact FIMER directly. Limiting the active power fed into the grid The inverter, if enabled and set through the internal web user interface, can limit the amount of active power fed into the grid by the inverter to the desired value (expressed as a percentage).

  • Page 40: Topographic Diagram Of The Equipment Uno-Dm-6.0-Tl-Plus

    3 - Characteristics Topographic diagram of the equipment UNO-DM-6.0-TL-PLUS The diagram summarises the internal structure of the inverter. The internal circuitry is with single stage conversion and therefore con- sists only of: - DC-AC output converter (Inverter); The input voltage from the PV generator is directly converted into alter- nating output current;...
  • Page 41 3 - Characteristics...

  • Page 42: Safety Devices

    3 - Characteristics Safety devices Anti-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 to ensure the protection of the people working on the grid, in accordance with the relevant national laws and regulations.

  • Page 43: Lifting And Transport

    During handling, do not make any sudden or fast movements that can create dangerous swinging. Lifting FIMER usually stores and protects individual components by suitable means to make their transport and subsequent handling easier, but as a rule, it is necessary to utilize the experience of specialized staff in change of loading and unloading the components.

  • Page 44: List Of Components Supplied

    4 - Lifting and transport List of components supplied The following list shown the components that are supplied with the in- verter. Available components Quantity Bracket for wall mounting M5x10 screw for the external ground connection M5 contact washer for the external ground connection (Spare part) T20 screw for front cover T20 screws for wall bracket locking M25 Service Cable Gland...

  • Page 45: Weight Of The Modules Of The Equipment

    4 - Lifting and transport Weight of the modules of the equipment Table: Weights Weight (Kg/lb) Lifting points (no.#) UNO-DM-6.0-TL-PLUS-Q 20.5 kg / 45.2 lb...

  • Page 46: Installation

    Installation General conditions The device is intended to be installed in a suitable plant for its use and its purpose. All the installation instruction described in this chapter must be followed considering the plant structure where the device is intended to be installed. Its performance therefore depends on the correctness of the installation.

  • Page 47: Environmental Checks

    5 - Installation Environmental checks • Consult the technical data to check the required environmental condi- tions (protection rating, temperature, humidity, altitude, etc.) • Installation of the unit in a location exposed to direct sunlight must be avoided (otherwise the warranty will be cancelled) as it may cause: - power limitation phenomena in the inverter (with a resulting de- creased energy production by the system) - premature wear of the electrical/electromechanical components...

  • Page 48: Wireless Signal Environmental Checks

    5 - Installation Wireless signal environmental checks The WLAN board of the inverter uses radio waves to transmit and re- ceive data, it is therefore important to assess this factor in order to have optimal installation. • Walls in reinforced cement and surfaces covered in metal (doors, shutters, etc.) can markedly reduce the reach of the device which even in optimal conditions, should be of approximately 50 metres in free space.
  • Page 49 5 - Installation Material of the structure: Concrete Distance X between the Inverter and the wireless Router: any distance Installation: to be evaluated. Assess the quality of the RF signal and the possibility of extending the signal with a repeater. Material of the structure: Metal or reinforced concrete Distance X between the Inverter and the...

  • Page 50: Recommendations For The Wireless Signal Power

    5 - Installation Recommendations for the wireless signal power The radio signal level between the inverter and the wireless router can be improved in a number of ways: 1. Change the direction of the antenna. The antenna has a dead zone at its tip, which should not be positioned facing the wireless router, as shown in the figure.

  • Page 51: Installation Position

    5 - Installation Installation position When choosing the place of installation, observe the following conditions: • Install on a wall or strong structure suitable to bear the weight 5° MAX 5° MAX • Install in safe, easy to reach locations •...

  • Page 52: Wall Mounting

    5 - Installation Wall mounting Do not open the inverter in case of rain, snow or high humidity (>95%). During installation do not place the inverter with the front cover facing the ground. Install the inverter by following this procedure: •...

  • Page 53: Wireless Antenna Mounting

    5 - Installation Wireless antenna mounting Install the wireless antenna (provided in the mounting kit) by following this procedure: • Remove the external antenna connector protection cap (in red). Install wireless antenna by screwing it into the dedicated connector lo- •...

  • Page 54: Opening The Front Cover

    5 - Installation Opening the front cover WARNING! ELECTRIC SHOCK HAZARD! Some inverter parts may be subject to voltages that could be hazardous for the operator. Before per- forming any work on the inverter, refer to “Inverter total de-energization and safe access” chapter on this manual to know all the necessary steps to safely operate on the inverter.

  • Page 55: Preliminary Operations For Connection Of The Pv Generator

    Selection of differential protection downstream of the inverter All FIMER string inverters marketed in Europe are equipped with a de- vice for protection against ground faults in accordance with the safety standard IEC 62109-2, sections 4.8.2 and 4.8.3 of the Standard (equi- valent to Standard DIN V VDE V 0126-1:2006, section 4.7).
  • Page 56 B differential switch. 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, FIMER inverters do not inject ground fault direct currents. The use of an AC type circuit breaker with differential thermal magnetic protection with trip- ping current of 300 mA is advisable so as to prevent false tripping, due to the normal capaci- tive leakage current of photovoltaic modules.

  • Page 57: Independent Or Parallel Input Channels Configuration

    5 - Installation Independent or parallel input channels configuration The inverter are equipped with two input channels (thus benefiting from two trackers for MPPT maximum power point tracking) which work inde- pendently of one another, which can be paralleled by leveraging a single MPPT.

  • Page 58: Channel Configuration Examples

    5 - 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.

  • Page 59: Independent Channel Configuration (Default Configuration)

    5 - Installation Independent channel configuration (default configuration) This configuration is set at the factory and involves the use of the two input channels (MPPT) in an independent mode. This means that the jumpers (supplied) between the positive and negative poles of the two DC input channels must not be installed, and that the independent channel mode should be set during the commissioning phase, in the de-...

  • Page 60: Input Connection To Pv Generator (Dc Side)

    H4) located on the bottom of the mechanic Refer to the document “String inverter – Product Manual appendix” avai- lable at www.fimer.com to know the brand and the model of the quick fit connector. Depending on the model of the connector of the own inverter,...
  • Page 61 5 - Installation Connect all the strings required by the system, always checking the seal of the connectors. If any string inputs are not required, you must ensure that covers are installed to the connec- tors, and install any which are missing. This is necessary both for the inverter seal, and to avoid damage to the free connector which IP65 may be used at a later time.

  • Page 62: Installation Procedure For Quick-Fit Connectors

    - Amphenol H4. Please refer to the document “String inverters – Product manual appen- dix” available at www.fimer.com for information on the quick-fit connector brand and model used in the inverter. The model of connectors installed on your inverter must be matched by...
  • Page 63 5 - Installation 2. WEIDMÜLLER WM4 quick-fit connectors Installation of Weidmüller WM4 connectors requires crimping to be carri- ed out with suitable equipment. - Strip the cable to which you want to apply the connector (after verifying that it complies with the connector limits). 4...6mm - Apply the terminal to the conductor using the designated pliers.
  • Page 64 5 - Installation 3. MULTICONTACT MC4 quick-fit connectors Installation of Multicontact MC4 connectors requires crimping to be carri- ed out with suitable equipment. - Strip the cable to which you want to apply the connector (after verifying that it complies with the connector limits). 4...6mm - Apply the terminal to the conductor using the designated pliers.
  • Page 65 5 - Installation 4. AMPHENOL H4 quick-fit connectors Installation of Amphenol H4 connectors requires crimping to be carried out with suitable equipment. - Strip the cable to which you want to apply the connector (after verifying that it complies with the connector limits). 4...6mm - Apply the terminal to the conductor using the designated pliers.

  • Page 66: Distribution Grid Output Connection (Ac Side)

    5 - Installation Distribution grid output connection (AC side) To connect the inverter to the grid you need 4 connections: ground, neu- tral, phase and external grounding protection In any case, connection of the inverter to ground is mandatory. Any failure of the inverter when it is not connected to ground through the appropriate terminal (AC connector) and to the metal frame (external grounding protection) is not covered by the warranty.

  • Page 67: Load Protection Switch (Ac Disconnect Switch)

    5 - Installation The table shows the maximum line conductor length in relation to the section of the conductor itself: Line conductor cross section (mm²) Line conductor maximum length (m) 12 m 20 m 30 m The values are calculated in nominal power conditions, considering: - loss of power along the line no greater than 1% - use of copper cable, with HEPR rubber insulation and positioned in open air Load protection switch (AC disconnect switch)

  • Page 68: Connection To The Ac Side Terminal Block

    5 - Installation Connection to the AC side terminal block To avoid risks of electrical shock, all wiring operations must be carried out with the dis- connect switch downstream of the inverter (grid side) off. The connection of the AC output cable to the inverter is performed by means of the AC cable gland and the dedicated AC output terminal block...
  • Page 69 Connect the protective earth (yellow-green) cable to the contact la- belled with the symbol on the terminal block Warning! FIMER inverters should be earthed (PE) via the terminal with the protective earth label , using a cable with an appropriate cross-section of the conductor for the maxi-...

  • Page 70: Installation Of The External Protective Grounding Cable

    5 - Installation Installation of the external protective grounding cable In addition to the grounding protection previously connected to the AC output connector, a second protective grounding cable has to be installed to be connected to the metal frame of the inverter. The cable to be used must be copper and have a minimum cross-section not less than the phase cable and in any case not less than 4mm².

  • Page 71: Communication And Control Signal Connections To The Uno-Dm-Com Kit And Uno-Dm-Plus Ethernet Com Kit Boards

    5 - Installation Communication and control signal connections to the UNO-DM-COM KIT and UNO-DM-PLUS Ethernet COM KIT boards Each cable which must be connected to the UNO-DM-COM KIT or UNO-DM-PLUS Ethernet COM KIT boards connectors and it must be passed through the service cable glands present on the lower side of the inverter.

  • Page 72: Description Of Terminal Blocks On The Uno-Dm-Com Kit Board

    5 - Installation Description of terminal blocks on the UNO-DM-COM KIT board Description of multifunctional relay terminal block Terminal Terminal Description name number N.C. "Normally closed" terminal of multifunctional relay ALARM "Common" terminal of multifunctional relay N.O. "Normally open" terminal of multifunctional relay Description of communication and control signal terminal block Terminal Terminal...

  • Page 73: Description Of Terminal Blocks On The Uno-Dm-Plus Ethernet Com Kit Board

    5 - Installation Description of terminal blocks on the UNO-DM-PLUS Ethernet COM KIT board Description of multifunctional relay terminal block Terminal Terminal Description name number N.C. "Normally closed" terminal of multifunctional relay ALARM "Common" terminal of multifunctional relay N.O. "Normally open" terminal of multifunctional relay Description of communication and control signal terminal block Terminal Terminal...

  • Page 74: Connection Of The Rs485 Line

    5 - Installation Connection of the RS485 line On the inverter models which equip the UNO-DM-COM KIT and UNO- DM-PLUS Ethernet COM KIT boards it is possible to use the RS485 communication port for: Connecting the inverter to an external support- ed energy meter (to manage the energy produced by the PV plant with the Dynamic Feed-in control functionality);...
  • Page 75 5 - Installation The RS485 HALF-DUPLEX communica- tion line is made up of two transmission and reception cables (+T/R and –T/R) and a communication reference cable (RTN): all three cables must be connect- ed in daisy-chain configuration (it’s rec- ommended to make connection external to the inverter).

  • Page 76: Remote Control Connection

    5 - Installation Remote 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 specific section of internal webserver (see the specific chapter). If the remote control function is disabled, the switching on of the inverter is dictated by the presence of the normal pa- rameters that allow the inverter to connect to the grid.

  • Page 77: Configurable Relay Connection (Alarm / Load Manager)

    5 - Installation Configurable Relay connection (ALARM / LOAD MANAGER) The UNO-DM-COM KIT board is equipped with a relay with configurable activation that allows connection of external devices which for example, signal malfunctions to manage loads with a specific configurable power input threshold, according to the mode selected in the specific section of internal webserver (see the specific chapter).

  • Page 78: Connection Of The Energy Meter

    On the basis of the type of electric supply the following are available: • REACT-MTR-1PH for single-phase supplies up to 30 A. • FIMER B21 for single-phase supplies up to 65 A. • FIMER B23 for three-phase supplies up to 65 A (it can be used for single-phase supplies if correctly installed).
  • Page 79 5 - Installation Subsequently the cable must be connected inside the inverter on the Accessory Board respecting the correspondence between the si- gnals of the serial line. Serial line terminal block Communication and control of the REACT-MTR-1PH signal terminal block of the Accessory Board +T/R...

  • Page 80: Connection And Configuration Of The Fimer B21 Meter (Single-Phase)

    (single-phase) The indications set out below are necessary to connect the meter to the inverter. Always refer to the specific documentation supplied with the FIMER B21. The energy meter FIMER B21 is a DIN rail device (2 modules) and must be installed where the electricity supply is single-phase.
  • Page 81 5 - Installation • Connect the cables of the serial line A (37), B (36) and C (37) on the terminal block set on the rear of the FIMER B21 and tighten the screws (tightening torque 0.25 Nm). Subsequently the cable must be connected inside the inverter on the...
  • Page 82 5 - Installation The settings are made by using the keypad and the display on the meter: 1. Press for two seconds to access the setup menu of the meter. 2. Press repeatedly until the display shows “Set”. - Press to confirm.

  • Page 83: Connection And Configuration Of The Fimer B23, B24 3Ph (Three-Phase)

    (three-phase) The indications set out below are necessary to connect the meter to the inverter. Always refer to the specific documentation supplied with the FIMER B23 or B24 3PH meter. The energy meter FIMER B23, B24 3PH is a DIN rail device (4 modules) and must be installed where the electricity supply is three-phase.
  • Page 84 5 - Installation It’s possible to use the three-phase meter FIMER B23, B24 as a single-phase meter. To use the FIMER B23, B24 as a single-phase meter connect it as follows: • Connect the cables of the serial line A (37), B (36) and C (37) on the...
  • Page 85 5 - Installation • Once the phase of mechanical installation of the METER is finished, it is necessary to configure the METER in order to make it compatible with the inverter. Set the parameters on the meter display as set out in the table: Parameter Settings...

  • Page 86: Closing The Front Cover

    5 - Installation Closing the front cover At the end of the inverter connection and configuration stage and be- fore proceeding with the commissioning, the inverter's cover must be closed. During the installation of the cover, the installation sequence must be respected as well as the tightening torque of the 8 screws (set out in the paragraph on technical data) in order to IP65 keep the IP level of the inverter unchanged...

  • Page 87: Instruments

    We, therefore, advise that you carefully read this manual. If you are not sure about any information in this manual, please ask FIMER Service for more detailed information. Do not use the equipment if: - you do not have suitable qualifications to work on this equipment or similar products;...

  • Page 88: Monitoring And Data Transmission

    • Data transmission on the dedicated RS-485 serial line. The data can be collected by a PC or a data logger equipped with an RS-485 port. Contact the FIMER support service with any queries about device compatibility. Measurement tolerance The data supplied by the inverter may differ from measurements taken by certified measuring instruments (e.g.

  • Page 89: Description Of Led Panel

    6 - Instruments Description of LED Panel POWER COMM ALARM WLAN Description On if the inverter is working correctly. POWER (GREEN) Flashes when checking the grid or if there is insufficient sunlight. Operation status of wireless communication line: COMM Blink Red: Communication error (no communication available) (MULTICOLOR) Green: Communication OK ALARM (YELLOW) The inverter has detected an anomaly.

  • Page 90: Operation

    Operation General conditions Before checking the operation of the equipment, it is necessary to have a thorough knowledge of the Instruments chapter 6 and the functions that have been enabled in the installation process. The equipment operates automatically without the aid of an operator; the operating state should be controlled through the equipment’s instrumen- tation.

  • Page 91: Commissioning (Via Internal Web User Interface)

    7 - Operation Commissioning (Via internal Web User Interface) Do not place objects of any kind on the inverter during operation! Do not touch the heat sink while the inverter is operating! Some parts may be very hot and could cause burns. Before proceeding with commissioning, make sure you have carried out all the checks and verifications indicated in the section on preliminary checks.
  • Page 92 7 - Operation Pre-commissionig phase 2 - Internal web UI access DEVICE USED TABLET/SMARTPHONE: • SCAN this QR code (it is also reported in the Quick installation guide and in the pre-commissioning flyer inside the box of the inverter). DEVICE USED LAPTOP: •...
  • Page 93 7 - Operation STEP 2 (Optional) - Residential wireless network connection. The inverter WLAN board can operate in two different operating modes: “Station Mode” or “Access Point Mode” (also known as “AP Mode”) • “AP mode”: Only local communication is enabled in this mode; In particular, the WLAN board acts like an «access point»...
  • Page 94 7 - Operation The parameters relating to the home wireless network (set on the router) that must be known and set during this step are: - IP Settings: DHCP or Static. If you select the DHCP function (default setup) the rou- ter will automatically assign a dynamic IP address to the inverter whenever it tries to connect to the user network.
  • Page 95 7 - Operation Once the inverter is connected to the domestic wireless network, a new message will confirm that the connection is acquired. The message provides the IP Address assigned by the home wireless network router to the inverter that can be used each time you want to access the internal web user interface, with the inverter connected to the home wireless network.
  • Page 96 7 - Operation STEP 3 - Date, Time and Time zone Set the Date, Time and Time zone (The inverter will propo- se these fields when available). When it’s not possible for the inverter to detect the time protocol, these fields have to be manually entered. Click on “Next”...
  • Page 97 3. FIMER 1PH (single-phase) 4. FIMER 3PH (three-phase) If a 3PH energy meter (FIMER B23, B24) is used in the system as single-phase inverter, it will be necessary to select FIMER 3PH and the phase to which the inverter is connected.
  • Page 98 (This field will appear only if you select the FIMER B23 3PH meter model) ENERGY POLICY: set the way in which you want to manage the energy produced by the PV plant,...
  • Page 99 (instructions for registering on the website and updating the firmware are given in this manual).

  • Page 100: Power, Alarm, Gfi Leds Behaviour

    7 - Operation Power, Alarm, GFI LEDs behaviour The following table shows all the possible activation combinations of “Power” “Alarm” and “GFI” LEDs on the LED panel according to the = LED On operating status of the inverter. = LED flashing = LED Off = Anyone of the conditions described above LED status...

  • Page 101: Comm, Wlan Leds Behaviour

    7 - Operation COMM, WLAN LEDs behaviour The following table shows all the possible status of “COMM” and “WLAN” LEDs on the LED panel according to the operating status of the wire- less board. Description Operation status of wireless communication line: COMM Blink Red: Communication error (no communication available) (MULTICOLOR)

  • Page 102: Description Of The Internal Webserver

    7 - Operation Description of the internal Webserver The UNO-DM-TL-PLUS inverters are equipped with an advanced in- tegrated webserver and user interface that allow a full access to all configuration and comissioning parameters from any electronic device (laptop, tablet and smartphone). The screenshots shown in this chapter are indicatives and it could be changed without any notification.
  • Page 103 7 - Operation Connection to the inverter in “AP Mode” If the inverter wasn’t connected to the domestic wireless network, follow this procedures: • Enable the wireless connection on the device which is being used for the board setup (tablet, smartphone or PC) and connect it to the Access Point created by the inverter system: the name of the wireless network created by the system that the connection should be established with, will be:...
  • Page 104 7 - Operation Login page After you have connected the device to the inverter and you access to the login page, login with the username and password created during the commissioning phase. User and password are CASE SENSITIVE. If the Password is lost click on “Forgot your password?” to obtain the access to the webserver (and it will be possible to change the password) by entering the PRODUCT KEY (printed on the “Wireless identification label”...

  • Page 105: Webserver Menu Structure

    7 - Operation webserver menu structure The following screenshots are related from a laptop visualization, may differ from smartphone or tablet visualization. The Webserver is divided in six main sections, available on the left side- bar: MAIN: Main section of webserver dedicated to viewing the summary informations related the status and the production informations of the inverter and photovoltaic plant.

  • Page 106: Main Section

    7 - Operation MAIN section In the MAIN section it’s possible to access the following sub-menus: • Dashboard • Status Summary Dashboard In the Dashboard sub-menu you can view the main informations relat- ed the status and the production informations of the inverter and photo- voltaic plant and alarm/warning active events.

  • Page 107: Setup Section

    We advise changing the activation voltage only if really necessary and to set it to the correct value: the photovoltaic generator sizing tool available on the FIMER website will indicate whether Vstart needs changing and what value to set it to.
  • Page 108 7 - Operation 6. Multiple Max Scan Period This settings allows you to set the time between scans. Remember that the shorter the scan interval the greater the loss of production, due to the fact that energy is transferred to the grid during the scan but not at the maximum power point.

  • Page 109: Events Section

    7 - Operation EVENTS Section In the EVENTS Section it’s possible to view the Alarm and Warning events list that it can be custom filtered by type or by entering a match- ing word. Clicking on any event to view his details.

  • Page 110: User Section

    To access on the internal webserver with the “Admin Plus” user privi- leges it’s required to enter a security token that it can be obtained by registering on the website https://registration.solar.fimer.com. Refer to the dedicated section on this topic in the manual.

  • Page 111: Network Section

    400/4800/9600/19200/34800/57600/115200). • RS485 Protocol Type: It allows you to set the type of protocol to be used for the RS485 line. - “Protocol Aurora Server”: it’s the proprietary FIMER serial protocol usually used for back-compatibility or by service personnell. - “Modbus Sunspec Server”: General purpose commu- nication protocol to be selected to enable monitoring and control.
  • Page 112 7 - Operation WLAN Status In the WLAN Status sub-menu it’s possible to view operation status and the information about the WLAN board for both of wireless channel and to switch between the two operation mode (“Station Mode” or “AP Mode”). Wireless channel 1 is always active and it’s dedicated to operate in Access Point mode only.
  • Page 113 7 - Operation Once the inverter is connected to the domestic wireless network, a new message will confirm that the connection is acquired. The message provides the IP Address assigned by the home wireless network router to the inverter that can be used each time you want to access the internal webserver, with the inverter connected to the home wireless network.
  • Page 114 Sunspec register map, by setting “ON” the “Modbus TCP Server” parameter. By changing “Modbus Power Control” parameter settings to “OFF” only reading register is enabled. Debug Settings In the Debug Settings sub-menu it’s possible to enable or disable the Debugging access for FIMER Service purposes.

  • Page 115: Tools Section

    2. REACT-MTR-1PH (single-phase) 3. FIMER 1PH (single-phase) 4. FIMER 3PH (three-phase) If a 3PH energy meter (FIMER B23, B24) is used in the system as single-phase inverter, it will be necessary to select FIMER 3PH and the phase to which the inverter is connected.
  • Page 116 7 - Operation ENERGY POLICY: set the way in which you want to manage the energy produced by the PV plant, choosing from the following: Management Description mode The system automatically manages power flows in or- der to maximise self-consumption. All unused power Self from domestic loads will feed into the grid.
  • Page 117 7 - Operation Local I/O Manager In the Local I/O Manager sub-menu it’s possible to enable the ma- nagement of power flows in order to optimize self-consumption or avoid feeding power to the grid (this features will work only on inverter equipped with UNO-DM-COM KIT (-X models) or UNO-DM-PLUS-COM ETHERNET KIT).
  • Page 118 7 - Operation • Configurable alarm with reset at the end of the alarm signalling process - “Alarm-Contact (alarm configurable - no-latch)” The relay is activated (status: switched) whenever an error (code Exxx) or a warning (code Wxxx) is present from those selected from the list in the dedicated submenu Alarm Config.
  • Page 119 7 - Operation Vin > Vstart • Crepuscolar - “Alarm-Contact (crepuscolar)”: N.C. Relay State: Switched The relay is activated (status: switched) as soon as the inverter input N.O. voltage exceeds the activation voltage set. Vin < Vstart The relay switch to rest position when the input voltage drops below 70% N.C.
  • Page 120 7 - Operation • Latch configurable alarm - “Alarm-Contact (alarm configuable - latch)”: The relay is activated (status: switched) whenever an error (code Exxx) or a warning (code Wxxx) is present from those selected from the list in the dedicated submenu Alarm Config (see the table below). When the INVERTER RUN inverter returns to the normal operating state and reconnects with the grid.
  • Page 121 7 - Operation • Load Manager - “Load Management”: Load Manager functionality allows you to define configurable power thresholds for which the relay is activated (status: switched) to a specific configurable power thresholds. Once this mode has been selected, the parameters for which the relay is activated and deactivated have to be set.
  • Page 122 7 - Operation Country Standard By accessing to the Country Standard sub-menu you can modify the grid standard within 24 hours while the inverter is operating. After the grid standard was set you have 24 hours to make any changes to the grid standard value;...
  • Page 123 7 - Operation Autotest CEI 0-21 By accessing to the Autotest CEI 0-21 sub-menu you can lanch an autest procedures according to the grid standard CEI-021. The conditions required to perform an Autotest are: • The grid standard must be set to CEI-021. •...
  • Page 124 The latest firmware version is available from the download area of the website www.fimer.com or from hhttps://registration.solar.fimer.com Click on “FW SELECT” and select the firmware package previously downloaded.
  • Page 125 7 - Operation Date and Time In the Date and Time sub-menu it’s possible to set the date, time and time zone. The inverter will propose these fields when the time protocol is availa- ble). When it’s not possible for the inverter to detect the time protocol, these fields have to be manually entered.

  • Page 126: Information Section

    7 - Operation INFORMATION Section In the INFORMATION Section it’s possible to view the general informa- tions about the embedded webserver. it’s possible to access the following sub-menus: • Privacy Policy • Provider Information/Impressum • Acknowledgments • Relase Notes...

  • Page 127: Maintenance

    Maintenance General conditions Routine and periodic maintenance operations must only be carried out by specialized staff with knowledge of how to perform these tasks. Some inverter parts may be subject to voltages that could be hazardous for the operator. Befo- re performing any work on the inverter, refer to “Inverter total de-energization and safe access”...

  • Page 128: Inverter Total De-Energization And Safe Access

    8 - Maintenance Inverter total de-energization and safe access The purpose of this chapter is to provide instructions for de-energize the UNO-DM-PLUS models in order to allow access to active parts inside the inverter. The procedure describes the steps to perform a total isolation and thus includes operations on devices that are located outside the in- verter.

  • Page 129: Clothing And Protection Of Personnel

    8 - Maintenance Clothing and protection of personnel The following Personal Protective Equipment (PPE) are required to per- form any intervention on the inverter: • Dielectric helmet EN397 – EN50365 (1000Vac-1500Vdc) with visor EN166 grade 8. • Insulating composite gloves class 0 EN60903 (1000Vac-1500Vdc) resistant to electric arc class 2 (7kA) EN61482-1-2 in combination with protective overglove in leather EN420 –...

  • Page 130: Inverter Total De-Energization And Safe Access Procedure

    8 - Maintenance Inverter total de-energization and safe access procedure...
  • Page 131 8 - Maintenance When the device has just been switched off, it may have hot parts as a result of overheating of the heated surfaces (e.g.: transformers, accumulators, coils, etc.) so be careful where you touch. Some inverter parts may be subject to voltages that could be hazardous for the operator. Be- fore performing any work on the inverter, follow this procedure for safely isolate the inverter.
  • Page 132 8 - Maintenance 4. Operations on External AC switches The diagram below represents a possible arrangement of the PV plant. Depending on the design choices made by the developer of the plant some of the devices could not be present. Identify the external AC switch(es) in the plant with the support of the plant manager.
  • Page 133 8 - Maintenance 5. Operations on External DC switches (if present) Note: In case of absence of External DC disconnect device skip this step. The diagram below represents a possible arrangement of the PV plant. Depending on the design choices made by the developer of the plant some of the devices could not be present.
  • Page 134 8 - Maintenance 6. Operations on Internal DC disconnect switch • Open the internal DC switch (blue in the below picture). INVERTER 1 (Unit under service) OPEN LOTO LV/MW Internal DC Transformer Switch OPEN+LOTO OPEN+LOTO External LV External Main LV External DC MW Switch AC Switch...
  • Page 135 8 - Maintenance The below picture represents the expected status of the switches in the plant after the switching operations have been completed. INVERTER 1 (Unit under service) OPEN LOTO LV/MW Transformer Internal DC Switch OPEN+LOTO OPEN+LOTO External DC External LV External Main LV MW Switch Switch...
  • Page 136 8 - Maintenance 7. Remove the DC quick fit connectors • Using the current clamp check the absence of current on DC side, measurement each positive and negative DC input string cables (check the correct setting of the current sensor). •...
  • Page 137 8 - Maintenance 10. Voltage absence test on DC side Before to approach the below operations all the steps from1 to 9 included must be successfully completed. Using the voltage detector, check the absence of voltage on the DC terminal connectors between: •...
  • Page 138 8 - Maintenance 12. Voltage absence test on bulk capacitor Check the absence of voltage on the bulk capacitor using the voltage detector. The voltage absence test on bulk capacitor must be carried out on the inverter main board, on the terminals of C116 capacitor as shown in the picture below.
  • Page 139 8 - Maintenance 13. Check list to be filled prior the access to the inverter • Purpose of the checklist is to verify that all the operations mentioned in the procedure have been carried out. The checklist below must be attached to the intervention report. CHECK STATUS √...

  • Page 140: Routine Maintenance

    To preserve long term proper operation of the inverter, you are advised to perform the routine maintenance operations listed in this chapter. Maintenance operations shall be performed only by qualified personnel or FIMER personnel (under a servicing contract). The maintenance schedule may vary depending on the envi- ronmental conditions of the installation.

  • Page 141: Troubleshooting

    8 - Maintenance Troubleshooting Operations on the inverter to identify and address any faults may only be performed by the installer or by qualified personnel. Internal Web user interface and wireless communication troubleshooting The following table gives a list of main and most common errors or problems relating to the wireless communication between inverter and user devices.
  • Page 142 8 - Maintenance Problem Possible causes Solution The MAC address used to register the Make sure that the MAC address registered on the Aurora Vi- inverter on the Aurora Vision platform is ® sion platform is actually the one associated with the inverter. If ®...

  • Page 143: Alarm Messages Of The Inverter

    8 - Maintenance Alarm Messages of the Inverter In order to understand and resolve warning (Wxxx) or error (Exxx) sig- nals that appear in the Alarm section of the internal web user interface, follow the table given in the following paragraph. The equipment can notify errors/warnings in the Alarm section of the inter- nal web user interface only if the input voltage is greater than the Vdcmin voltage (POWER Led flashing or lit;...
  • Page 144 8 - Maintenance - Error code - Error message Name of Alarm and Cause Solution - Signal • Check the grid voltage on the inverter. - Should it be absent, check for absence of grid voltage on the supply point. - If, on the other hand, the voltage tends to rise (when the in- verter is connected) there is high line or grid impedance.
  • Page 145 8 - Maintenance - Error code - Error message Name of Alarm and Cause Solution - Signal • Raise the value of the activation voltage (Vstart) if the prob- lem at the time of the inverter’s grid connection (Using the for- mulas 0,7*Vmp,stc or 0,6*Voc,stc).
  • Page 146 8 - Maintenance - Error code - Error message Name of Alarm and Cause Solution - Signal Resetting of the Latch alarm conditions: • The reset of the Latch alarm conditions is done directly by - W027 * Manual reset of the Latch alarm conditions; this opera- the customer/installer and is not an error.
  • Page 147 8 - Maintenance - Error code - Error message Name of Alarm and Cause Solution - Signal Once the error occurs, the inverter tries to return to normal op- eration. - Should the error occur sporadically, it may be caused by a - E007 Saturation recorded on the IGBT components: brusque transition of the grid voltage or of the input voltage, but...
  • Page 148 8 - Maintenance - Error code - Error message Name of Alarm and Cause Solution - Signal Failure of test on sensor to measure the leakage current (DC side): Before connecting to the grid the inverter runs a au- • Error inside the inverter and cannot be checked externally. totest regarding the sensor for the leakage current.
  • Page 149 8 - Maintenance - Error code - Error message Name of Alarm and Cause Solution - Signal Grid frequency outside of range: - E028 Error in the internal measurement of grid frequency • Error inside the inverter and cannot be checked externally. - Error Meas F (set by law) in order to have a redundant measurement - If the problem persists (once the inverter has been switched...

  • Page 150: Power Limitation Messages

    8 - Maintenance - Error code - Error message Name of Alarm and Cause Solution - Signal E055 • Error inside the inverter and cannot be checked externally. Arc Fault board parameter reading error: - AFDD wrong conf. - If the problem persists (once the inverter has been switched Error in the parameter reading by the system.

  • Page 151: Dismantling The Inverter

    8 - Maintenance Dismantling the inverter The dismantling operations must be carried out with the equipment disconnected from any voltage sources. Refer to “Inverter total de-energization and safe access” chapter on this manual to know all the necessary step to safely operate on the inverter. Staff authorised to carry out the dismantling operations must be specialised and experienced in this job.

  • Page 152: Registration On "Registration" Website And Calculation Of Security Token (Admin Plus)

    (last 2 digits). Stage 2 - Registration on https://registration.solar.fimer.com - Go online and access https://registration.solar.fimer.com - Set the desired language and click on the specific icon to start registra- tion - Insert the personal data requested and end the registration stage - An email will be sent to the email address used with a link to complete the registration process.
  • Page 153 8 - Maintenance Stage 3 - Request for the security token - Go online and access https://registration.solar.fimer.com - Insert the Username (corresponding to the email used during registra- tion) and the Password obtained at the end of Stage 2 - Access the section dedicated to requesting the security token...
  • Page 154 8 - Maintenance - Click on icon to request the security token. Should there be an error in inputting data, the fields containing the error will be highlighted in red. If, on the other hand, the data are correct, the passwords will be shown in a new window and at the same time sent to the email address used for registration.

  • Page 155: Replacement Of The Memory Board

    8 - Maintenance Replacement of the MEMORY board Some inverter parts may be subject to voltages that could be hazardous for the operator. Before performing any work on the inverter, refer to “Inverter total de-energization and safe access” chapter on this manual to know all the necessary step to safely operate on the inverter. Replacing the MEMORY board may be necessary in the following cir- cumstances: Inverter log Statistic (e.g.

  • Page 156: Replacement Of The Buffer Battery

    8 - Maintenance Replacement of the buffer battery Some inverter parts may be subject to voltages that could be hazardous for the operator. Before performing any work on the inverter, refer to “Inverter total de-energization and safe access” chapter on this manual to know all the necessary step to safely operate on the inverter. Replacing the buffer battery may be necessary in the following cir- cumstances: 1.

  • Page 157: Verification Of Ground Leakage

    8 - Maintenance Verification 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 sufficient for the dimensions of the photovoltaic generator.

  • Page 158: Behaviour Of A System With Leakage

    8 - Maintenance Behaviour 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 159: Measuring The Isolation Resistance Of The Pv Generator

    8 - Maintenance Measuring the isolation resistance of the PV generator. To measure the isolation resistance of the PV generator compared to ground , the two poles of the PV generator must be short-circuited (using a suitably sized selector). Once the short-circuit has been made, measure the isolation resistance (Riso) using a megohmmeter positioned between the two shorted poles and ground (of the inverter).

  • Page 160: Storage And Dismantling

    Dismantling, decommissioning and disposal FIMER is not responsible for any loss of the equipment, or part of it, which does not take place on the basis of the regulations and laws in force in the country of installation.

  • Page 161: Attachments

    TCP connections. Direction Service/Port Protocol Description For remote debugging by FIMER service personnel, the inverter utilizes encrypted SSH Remote Login Protocol. To ssh/22 allow service personnel remote access to the inverter, this port has to be opened in any firewall and forwarded to the inverter.

  • Page 162: Network Hosts

    Network Hosts The inverter will connect to the following hosts. Some servers owned by FIMER, and others are customer or ISP servers. Servers listed as ow- ned by “Customer IT/ISP” must be configured in the inverter using either DHCP or as static network information.

  • Page 163: Contact Us

    With regard to purchase orders, the agreed Any reproduction, disclosure to third parties or representative or visit: particulars shall prevail. FIMER does not accept utilization of its contents – in whole or in parts – is any responsibility whatsoever for potential errors or forbidden without prior written consent of FIMER.

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