ABB UNO-DM-TL-PLUS-US Product Manual
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ABB UNO-DM-TL-PLUS-US Product Manual

From 3.3 to 5.0 kw
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ABB solar inverters
Product Manual
UNO-DM-3.3/3.8/4.6/5.0-TL-PLUS-US
(from 3.3 to 5.0 kW)

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Summary of Contents for ABB UNO-DM-TL-PLUS-US

  • Page 1 ABB solar inverters Product Manual UNO-DM-3.3/3.8/4.6/5.0-TL-PLUS-US (from 3.3 to 5.0 kW)
  • Page 2 Warranty requirements are included in the Terms and Conditions of sale included with the inverter order; these include proper installation, operation as intended by ABB, and periodic preventative maintenance. NOTE: Any changes not approved by ABB void the warranty.
  • Page 3 3 - Safety and accident prevention 4 - Lifting and transport 5 - Installation 6 - Instruments 7 - Operation 8 - Maintenance UNO-DM-3.3/3.8/4.6/5.0-TL-PLUS-US-Product manual EN-Rev A (M000037AG) EFFECTIVE 08/06/2017 © Copyright 2017 ABB. All Rights Reserved. - 3 -...

  • Page 4: Ntroduction And General Information

    In particular, pay attention to physical clearances, any site noise limitations, maximum system input voltage, potential flammability hazards. ABB accepts no liability for failure to comply with the instructions for correct installation and is not responsible for equipment it has not supplied.

  • Page 5: Table Of Contents

    1- Introduction and general information able of Contents ntroduction and general information ....................4 Warranty and conditions of sale ......................4 Table of Contents ............................5 Scope and target audience ........................9 Purpose ...........................9 Additional information and documentation ................9 Operating and maintenance safety ..................9 Symbols and signs ..........................10 Intended use ............................11 Limitations in intended use ....................11...
  • Page 6 1- Introduction and general information afety and accident prevention ..................... 37 Safety information and instructions ....................37 Signs and labels ........................37 Environmental conditions and risks ..................38 Thermal and electrical hazards .....................38 Clothing and protection of personnel ..................38 Residual risks ............................40 Table of residual risks ......................40 ifting and transport ........................
  • Page 7 1- Introduction and general information nstruments ............................72 Description of keyboard and LED Panel................73 peration ............................74 Introduction and operation warnings ....................74 Monitoring and data transmission .....................75 User interface ........................75 Measurement tolerance ......................75 Commissioning (Via internal Webserver) ..................76 Commissioning (Using the inverter display) ..................84 Power, Alarm, GFI LEDs behavior ......................86 Specifications on operation of the LEDs ................87 LED insulation fault .......................87...
  • Page 8 1- Introduction and general information ttachments ........................... 152 Port and network services used by the inverter ................152 IP Network Services ......................152 Network Hosts ........................153 Inverter network configuration ....................153 Further information ..........................154 Contact us ............................155 - 8 -...

  • Page 9: Scope And Target Audience

    In addition to this product manual , one may download additional product documentation, including the Auroral Manager software required for comumunicating with the inverter, by visiting www.abbsolarinverters.com. The ABB solar inverter help desk may be reached at 1-877-261-1374, 6am - 6pm (PST) Monday-Friday. excluding major holidays. perating and maintenance safety...

  • Page 10: Symbols And Signs

    1 - Introduction and general information ymbols 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 General warning - Important safety information. Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

  • Page 11: Intended Use

    1- Introduction and general information ntended use ABB is not be liable for any damage whatsoever that may result from incorrect or careless operation. Do not use the inverter in a way for which is was not intended. The inverter MUST NOT be used by inexperienced staff, or even experienced staff if carrying out operations that fail to comply with the iinstuctions in this product manuals, or documentation shipped with the inverter.

  • Page 12: Eatures

    Features ntroduction This chapter describes the features of the inverter, and identifies the principal components needed to understand the installation and operating instructions. Some terminology is defined. Technical datasheets, physical dimensions and safety ID plates are explained. The customer/Installer takes full responsibility if, when reading this manual, it’s not read in the proper order.

  • Page 13: Models And Range Of Equipment

    2 - Characteristics odels and range of equipment The single-phase inverter models covered by this manual are divided into four groups according to their maximum output power: 3.3 kW, 3.8 kW, 4.6 kW and 5.0 kW. For each model, the following variant is available: - Model with “SB-RA”...
  • Page 14 2 - Characteristics UL 1741 UL 1741 CSA-C22.2 No. 107.1-01 CSA-C22.2 No. 107.1-01 www.abb.com/solar www.abb.com/solar Country of Origin Italy Country of Origin Italy SOLAR GRID SUPPORT UTILITY INTERACTIVE SOLAR GRID SUPPORT UTILITY INTERACTIVE TRANSFORMERLESS INVERTER TRANSFORMERLESS INVERTER MODEL: UNO 3.3 TL PLUS- MODEL: UNO 3.8 TL PLUS-...
  • Page 15 The officially required information is located on the Regulatory label. The product label or the Wireless Identification label are accessory labels which shows the information necessary for the identification and characterisation of the inverter by ABB. Note: The labels are NOT to be hidden by foreign objects and parts (rags, boxes, equipment, etc.);...

  • Page 16: Reference Number Index

    2 - Characteristics eference number index , Bracket , RSD terminal block , DC disconnect switch , Lock spring , AC output terminal block , Accessory boards , Heat sink , Wireless antenna , Protective Earth (PE) connection point , Inverter front cover , DC Input terminal block Inverter , Wiring box front cover...

  • Page 17: Accessory Board Uno-Dm-Com Kit (Optional)

    2 - Characteristics ccessory Board UNO-DM-COM KIT (optional) The inverter can be equipped with advanced accessory board PN: UNO-DM-PLUS-COM Kit (ordered separately), adding: - An RS-485 serial interface - Configurable relay: - Remote switch-on/switch-off , UNO-DM-COM KIT , Inverter connector , RS485 Termination line jumper , DRM0 activation jumper , ALARM terminal block...

  • Page 18: Technical Data

    2 - Characteristics echnical data UNO-DM-3.3-PLUS UNO-DM-3.8-PLUS Input side (DC) Absolute maximum voltage (V 600 V max,abs Start-up voltage (V default 200 V (120...350 V) start Operating MPPT voltage range (V ...V 0.7xV ...580 V (≥ 90V) dcmin dcmax start Maximum usable power (P ) - each channel 2000 W...
  • Page 19 2 - Characteristics UNO-DM-3.3-PLUS UNO-DM-3.8-PLUS Optional board UNO-DM-COM Kit Optional Communication Interface RS485, Alarm/Load manager relay, Remote ON/OFF Optional Communication Protocol ModBus RTU (SunSpec), Aurora Protocol Optional board UNO-DM-PLUS-Ethernet COM Kit Ethernet, RS485, Alarm/Load manager relay, Remote Optional Communication Interface ON/OFF ModBus TCP (SunSpec), ModBus RTU (SunSpec), Optional Communication Protocol...
  • Page 20 2 - Characteristics UNO-DM-4.6-PLUS UNO-DM-5.0-PLUS Input side (DC) Absolute maximum voltage (V 600 V max,abs Start-up voltage (V default 200 V (120...350 V) start Operating MPPT voltage range (V ...V 0.7xV ...580 V (≥ 90V) dcmin dcmax start Maximum usable power (P ) - each channel 3000 W 3500 W...
  • Page 21 2 - Characteristics UNO-DM-4.6-PLUS UNO-DM-5.0-PLUS Optional board UNO-DM-COM Kit Optional Communication Interface RS485, Alarm/Load manager relay, Remote ON/OFF Optional Communication Protocol ModBus RTU (SunSpec), Aurora Protocol Optional board UNO-DM-PLUS-Ethernet COM Kit Ethernet, RS485, Alarm/Load manager relay, Remote Optional Communication Interface ON/OFF ModBus TCP (SunSpec), ModBus RTU (SunSpec), Optional Communication Protocol...

  • Page 22: Torques

    2 - Characteristics orques To maintain the NEMA 4X rating of the inverter and for correct installation, the following torques must be used: Front cover fastening screws 2.5Nm (1.8 ft-lb) Screw for 2.0Nm (1.5 ft-lb) Protective Earth (PE) connection point uter dimensions The outer dimensions (inches) include the wall installation bracket.

  • Page 23: Bracket Dimensions

    2 - Characteristics racket dimensions The dimensions of the wall mounting bracket are expressed in 33.25 86.75 31.75 31.75 86.75 - 23 -...

  • Page 24: Efficiency Curves

    2 - Characteristics fficiency 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 25 2 - Characteristics UNO-DM-4.6-TL-PLUS-US Efficiency Curves Vgrid=240Vac ; Frequency=60Hz ; Tamb=25°C 200Vdc 340Vdc 480Vdc 100% % of rated Output Power Efficiency Curves UNO-DM-5.0-TL-PLUS-US Vgrid=240Vac ; Frequency=60Hz ; Tamb=25°C 200Vdc 340Vdc 480Vdc 100% % of rated Output Power - 25 -...

  • Page 26: Power Limitation (Power Derating)

    2 - Characteristics ower 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 27: Power Reduction Due To The Input Voltage

    2 - Characteristics ower 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@208 Vs Vin (parallel input channel) UNO-DM-3.3-TL-PLUS UNO-DM-3.8-TL-PLUS UNO-DM-4.6-TL-PLUS UNO-DM-5.0-TL-PLUS Vin (Vdc) Pout@240 Vs Vin (parallel input channel) UNO-DM-3.3-TL-PLUS UNO-DM-3.8-TL-PLUS...

  • Page 28: Characteristics Of A Photovoltaic Generator

    2 - Characteristics haracteristics of a photovoltaic generator A PV generator consists of an assembly of photovoltaic modules that transform solar radiation into DC electrical energy and can be made up Strings: number (X) of PV modules connected in series Array: group of X strings connected in parallel trings and Arrays The string technology was developed to significantly reduce the install-...

  • Page 29: Description Of The Inverter

    A setup program to help correctly size the photovoltaic system is available on the ABB web- site (http://stringsizer.abb.com).
  • Page 30 2 - Characteristics - 30 -...

  • Page 31: Pv Plant Block Diagram

    2 - Characteristics PV plant block diagram Inverter DC Disconnect AC breaker Grid Grid Panels switch/es (Thermal-magnetic.) distributor perating 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 32: Dafault Functionality And Components Of The Inverter

    All three product previously mensioned work toghether to allow solar power professional and site owners to collaboratively manage solar power plant. Please contact the ABB tecnichal support for getting your own plant portfolio manager account (mainly for installers and plant administrators). Please get your Plant Viewer and Plant Viewer for Mobile by accessing the website www.auroravision.net and click on “Register with Plant...

  • Page 33: Functionalities Availbable With Accessory Board

    (UNO-DM- COM KIT or UNO-DM-PLUS-COM Ethernet KIT). Please contact the ABB tecnichal support or get access to Sunspec alliance website for getting the Modbus register map supported by the inverter. - Configurable relay:...
  • Page 34 2 - Characteristics - Remote switch-on/switch-off This command can be used to switch off/switch on the inverter via an external (remote) command. This function must be enabled in the menu and when active, switch- ing on the inverter, besides being dictated by the presence of normal parameters which allow the inverter to be connected to the grid, also depends on the external command for switching on/off.

  • Page 35: Safety Devices

    2 - Characteristics afety devices nti-Islanding In the event of a local utility company grid outage, or when the equipment is switched off for maintenance, the inverter must be physically disconnected to ensure protection of people working on the grid, all in accordance with the relevant national standards and laws.

  • Page 36: Other Safeguards

    2 - Characteristics Method 2: Post Grid Connection (Dynamic Leakage Current) While the inverter is connected to the grid, the inverter circuitry continuously checks for ground fault conditions using a differential measurement of the AC line, searching for any values that would indicate leakage of current to ground.

  • Page 37: Afety And Accident Prevention

    Safety and accident prevention afety information and instructions ABB accepts no liability for failure to comply with the instructions for correct installation. ABB is not responsible for equipment upstream or downstream from the inverter. . It is essential to provide installers, operators and maintenance personnel with correct information.

  • Page 38: Environmental Conditions And Risks

    nvironmental conditions and risks The inverter is designed to be installed outdoors, in environmental conditions meets ambient temperature, air circulation and other specifications. Do not install the inverter in a flammable or explosive environment. Operator must be properly trained and qualified personnel to come into close proximity to the equipment, and highlight, with notices or other means where necessary, the hazardous areas or operations at risk: magnetic fields, hazardous voltages, high temperatures, possible...
  • Page 39 All operations on the equipment must be performed with adequately insulated clothing and instruments. E.g.: insulating gloves, class 0, RC category The maintenance technician must: - ensure that the inveter is properly locked out/tagged out, so no one else can switch on or operate the device during the maintenance operations - report any anomaly or damage due to wear or aging so that the correct safety conditions can be restored.

  • Page 40: Residual Risks

    3 - 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 41: Ifting And Transport

    Packaging must be disposed of in accordance with any local regulations. When the packaging is opened, confirm the inverter and components are not damaged and that nothing is missing. Immediately report any damage or missing parts to the delivery carrier and to ABB Service. - 41 -...

  • Page 42: Storage

    4 - Lifting and transport torage A maximum of 6 inverter may be stacked as shown in the side figure DO NOT stack with other equipment or products. Assembly brackets and/or accessory components are inside the packages. eights Table: Weights Weight (Kg/lb) Lifting points (no.#) UNO-DM-3.3/3.8/4.6/5.0-TL-PLUS...

  • Page 43: Packing List

    4 - Lifting and transport acking list All components required for installation (listed in the below table) are shipped with the inverter. Components Quantity Bracket for wall mounting M5x10 Wall bracket locking screw (to be used if required) M5 Wall bracket locking washer (to be used if required) (Spare part) T20 screw for front cover Cables for the configuration of the input channels in parallel XX XX...

  • Page 44: Nstallation

    Installation nstallation warnings The inverter must be corrrectly installed, in a suitable location, to operate properly and safely. Installers must know and understand applicable NEC requirements and any local codes for photovoltaic systems. Installers must know and understand OSHA and other applicable safety requirements, including lockout/tagout procedures.

  • Page 45: Installation Site And Position

    - If possible, install at eye level so that the display and LEDs can be easily seen - Install at a height that takes account of the weight of the equipment - All installations over 6500’ (2,000 meters) must be assessed by ABB Technical Sales to determine the proper datasheet derating - 45 -...

  • Page 46: Installation Sites With High Humidity

    +5° MAX -5° MAX 5 - Installation - Install vertically with a maximum inclination of 5° (forward or backward). If this condition cannot be met, the inverter could undergo derating due to high temperature because of poor heat dissipation. +5° MAX -5°...

  • Page 47: Wireless Signal Environmental Checks

    5 - Installation ireless 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 48 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 49: Recommendations For The Wireless Signal Power

    5 - Installation ecommendations 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. Find a new position for the router considering the different types of materials which the radio signal will have to pass through: Material Relative signal reduction...

  • Page 50: Wall Mounting

    5 - Installation all mounting During installation do not place the inverter with the front covers facing the ground. 04 05 Install the inverter by following this procedure: Position the bracket on the vertical support (pole, wall, frame, etc) and use it as drilling template. It is the installer’s responsibility to choose an appropriate number and and distribution of attachment...

  • Page 51: Opening The

    5 - Installation pening the front cover WARNING! ELECTRIC SHOCK HAZARD! Hazardous voltages may be present inside the inverter. The access to the internal zones of the inverter must be carried out after a minimum waiting time of 5 minutes since the inverter was disconnected from the grid and from the photovoltaic generator.

  • Page 52: Installation Planning

    5 - Installation nstallation planning Always respect the nominal ratings of voltage, current, and power defi- ned in the technical data table, when designing your system. Observe the following considerations in design: To reduce the risk of fire, connect only to a circuit provided with a branch circuit overcurrent protection in accordance with NEC (ANSI/NFPA 70).

  • Page 53: Sizing The Ground Cable(S)

    5 - Installation izing the ground cable(s) ABB inverters must be grounded at the protective earth (PE) connection point terminal. Size the cable(s) in accordance with NEC and any local codes. The wire must be large enought to handle the maximum ground fault current that the PV system might experience.

  • Page 54: Clamps Terminal Use

    5 - Installation lamps terminal use All power conductors will be inserter in spring clamp terminals. The figure shows an example of how to make the wires connection: - Insert a small flat screwdriver in the slot and lightly press the screwdriver from top to bottom;...

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

    5 - Installation reliminary operations for connection of the PV generator ndependent or parallel input channels configuration The inverter is equipped with two input channels (thus benefiting from two trackers for MPPT maximum power point tracking) which work independen- tly of one another, which can be paralleled by leveraging a single MPPT. Strings of photovoltaic modules having the same type and number of panels in series must be connected to each single channel;...

  • Page 56: Channel Configuration Examples

    5 - Installation Channel configuration examples PV generator characteristics MPPT configu- Notes ration A NECESSARY condition so that the two The photovoltaic generator consists of strings having a different number MPPTs can be used in independent mode is for MPPT of modules in series from each other.

  • Page 57: Independent Channel Configuration (Default Configuration)

    5 - Installation ndependent 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”...

  • Page 58: Checking The Correct Polarity Of The Strings

    5 - Installation hecking the correct polarity of the strings Using a voltmeter, check that the voltage of each string has the correct polarity and falls within the input voltage limits of the inverter (see techni- cal data). Polarity inversion can cause serious damage. If the open circuit voltage of the string is near the maximum value ac- cepted by the inverter, consider that low ambient temperatures cause an increase in the string voltage (different according to the photovoltaic...

  • Page 59: Electrical Connection To The Pv Field - Dc Side

    Array equipment grounding must be installed per the requirements of the NEC and is the responsibility of the installer. A configuration program that can help to correctly size the photovoltaic system is available on at http://www.stringsizer.abb.com. - Turn the DC switch OFF...
  • Page 60 5 - Installation - Connect the DC wiring to DC input terminal blocks . DC wiring terminals are spring pressure type and accommodate a wire size range of 20-8 AWG. Connect the strings in either independent or parallel mode, following the appropriate set of instructions below: DC connection with INDEPENDENT MPPT configuration If two PV arrays with each be below the maximum input current rating of the...

  • Page 61: Grid Output Connection (Ac Side)

    5 - Installation rid output connection (AC side) CAUTION This is a single phase inverter. Use the wiring schemes shown on the Wire must be sized based on ampacity requirements of the NEC or other applicable prevail- table below when a different grid standard is used. Refer to the ing code.

  • Page 62: Grid Standard Setting Of The Country

    5 - Installation - Connect the main AC ground cable in the raceway to protective earth (PE) connection point If several inverters are installed to a three-phase AC GRID, always distribute the inverters between the phases in order to reduce power imbalance between the phases. Always refer to the local standards.

  • Page 63: Rapid Shutdown (Rsd) Connection

    5 - Installation apid Shutdown (RSD) connection The installer must use an external rapid shutdown device compliant with the 2014 NEC. Automatic shutdown occurs at the rooftop box when utility power is lost or when the PV system’s AC disconnect switch is opened. In jurisdictions requiring a dedicated activation switch, install an emergency stop button external to the inverter.

  • Page 64: Communication And Control Signal Connections To The Accessory Uno-Dm-Com Kit Board

    5 - Installation ommunication and control signal connections to the accessory UNO-DM-COM KIT board To connect the signal cables to the UNO-DM-COM KIT or UNO-DM- PLUS-COM Ethernet KIT board is necessary to: - Remove both front covers (wiring box and inverter compartment - Insert the appropriate water-tight conduit connector on signal conduit opening and tighten to the chassis to maintain NEMA 4X compliance.

  • Page 65: Description Of Terminal Blocks On The Uno-Dm-Com Kit Board

    5 - Installation escription 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 66: Description Of Terminal Blocks On The Uno-Dm-Plus-Com Ethernet Kit Board

    5 - Installation escription of terminal blocks on the UNO-DM-PLUS-COM Ethernet 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 67: Connection Of The Rs485 Line

    5 - Installation onnection of the RS485 line On the inverter models which equip the UNO-DM-COM KIT board it is possible to use the RS485 communication port for: Integrating the in- verter with a third party monitoring and control systems; Carrying out “daisy-chain”...
  • Page 68 5 - Installation The RS485 HALF-DUPLEX communication line is made up of two trans- mission and reception cables (+T/R and –T/R) and a communication ref- erence cable (RTN): all three cables must be connected in daisy-chain configuration (it’s recommended to make connection external to the in- verter).

  • Page 69: Remote Control Connection

    5 - Installation emote control connection The connection and disconnection of the inverter to and from the grid can Inverter be controlled through an external control. The function must be enabled in the specific section of internal webserver Settings (see the specific chapter) or through the display and the keyboard in the specific menu (see the side picture).

  • Page 70: Configurable Relay Connection (Alarm / Load Manager)

    5 - Installation onfigurable 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) or in the display menu “INVERTER >...

  • Page 71: Closing The

    5 - Installation losing the front cover At the end of the inverter connection and configuration stage and before proceeding with the commissioning, the inverter's covers wir- and the ing box covers must be closed. During the installation of the cover, the installation sequence must be respected as well as the tightening torque of the screws (set out in the paragraph on technical data) in order to maintain NEMA Type 4X enclosure integrity.

  • Page 72: Nstruments

    The ABB solar inverter help desk may be reached at 1-877-261-1374, 6am - 6pm (PST) Monday-Friday. excluding major holidays. Do not use the inverter or the PV plant if the operator: - is not trained or qualified to work on this PV plant;...

  • Page 73: Description Of Keyboard And Led Panel

    6 - Instruments escription of keyboard and LED Panel Using the combination of the keyboard keys below the display, values can be set or data can be viewed by scrolling. COMM RSSI STATUS Description On if the inverter is working correctly. POWER (GREEN) Flashes when checking the grid or if there is insufficient sunlight.

  • Page 74: Peration

    Operation ntroduction and operation warnings Before commissioning the inverter, it is necessary to have a thorough knowledge of the Instruments chapter 6 and the functions thatis possible to enable in the commissioning phase. When the inverter is commissioned operates automatically without the aid of an operator;...

  • Page 75: 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. Con- tact the ABB support service with any queries about device compatibility. easurement tolerance The data supplied by the inverter may differ from measurements taken by certified measuring instruments (e.g.

  • Page 76: Commissioning (Via Internal Webserver)

    ABB-XX-XX-XX-XX-XX-XX where “X” is a hex digit of the wireless MAC address (MAC address can be found on the “Wireless Identification Label” placed on the side of the inverter or applied during the commissioning phase to the quick installa- tion guide on cover page).
  • Page 77 7 - Operation • Open an internet browser (reccomended browser: Chrome versions from v.55, Firefox versions from v.50) and enter the pre-set IP address 192.168.117.1 to access the setup pages (web user interface). A guided setup procedure will open that will enable you to impose the necessary settings for correct commissioning of the inverter.
  • Page 78 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 79 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 80 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 81 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 82 7 - Operation STEP 4 - Inverter country standard, Input configuration and Meter configuration - Country standard: selection of grid standard: Set the grid standard of the country in which the inverter is installed. From the moment that the grid standard is set, you have 24 hours to make any changes to the value, after which the “Country Select >...
  • Page 83 To address any problems that may occur during the initial stages of operation of the system and to ensure the inverter remains fully functional, you are advised to check for any firmwa- re updates in the download area of the website www.abb.com/solarinverters (instructions for updating the firmware are given in this manual).

  • Page 84: Commissioning (Using The Inverter Display)

    - Selection of grid standard and corresponding display language. Lang=Xxxxxxxx For the list of available grid standards and the relative details, contact ABB Technical Sales (1-877-261-1374) . From the moment that the grid standard is set, you have 24 hours to make any changes to the value, after which the “Settings >...
  • Page 85 To address any problems that may occur during the initial stages of operation of the system and to ensure the inverter remains fully functional, you are advised to check for any firmwa- re updates in the download area of the website www.abb.com/solarinverters (instructions for updating the firmware are given in this manual).

  • Page 86: Power, Alarm, Gfi Leds Behavior

    7 - Operation ower, Alarm, GFI LEDs behavior 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 87: Specifications On Operation Of The Leds

    7 - Operation pecifications on operation of the LEDs In correspondence to each status of the inverter indicated by the constant or intermittent lighting of the specific LED, the display also shows a message identifying the operation which is being carried out or the defect/anomaly recorded (see specific chapter).

  • Page 88: Description Of The Internal Webserver

    If the “Host Name” was lost, it could be obtained writing this url: http://ABB-XX-XX-XX-XX-XX-XX.local replacing the “X” with the hex digits of the wireless MAC address of the inverter (it can be found on the “Wireless Identification Label” placed on the side of the inverter or applied during the commissioning phase to the quick installation guide on cover page).
  • Page 89 ABB-XX-XX-XX-XX-XX-XX where “X” is a hex digit of the wireless MAC address (MAC address can be found on the “Wireless Identification Label” placed on the side of the inverter or applied during the commissioning phase to the quick installa- tion guide on cover page).
  • Page 90 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 91: Webserver Menu Structure

    7 - Operation ebserver 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 92: Main Section

    7 - Operation AIN 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 re- lated the status and the production informations of the inverter and photovoltaic plant and alarm/warning active events.

  • Page 93: 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 ABB website will indicate whe- ther Vstart needs changing and what value to set it to.
  • Page 94 7 - Operation 5. Multiple Max Scan Enable This settings allows you to Enables/disables the scan for identifying the maximum power point of the system. 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 95: Events Section

    7 - Operation VENTS 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. - 95 -...

  • Page 96: User Section

    To access on the internal webserver with the “Admin Plus” user priv- ileges it’s required to enter a security token that it can be obtained by contacting ABB Technical Sales (1-877-261-1374). Refer to the dedic- ated section on this topic in the manual.

  • Page 97: 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 ABB serial protocol usually used for back-compatibility or by ser- vice personnell.
  • Page 98 7 - Operation WLAN Status In the WLAN Status sub-menu it’s possible to view the address of the wireless board of the inverter, and to switch between the two operation mode (“Station Mode” or “AP Mode”). • “AP mode”: Only local communication is enabled in this mode; In particular, the WLAN board acts like an «access point»...
  • Page 99 7 - Operation In case of “Station Mode” selection it’s required to enter the wireless network parameters (set on the router) and follow the subsequent pro- cedure: - IP Selection Mode: 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 100 (the WLAN board auto- matically disables its access point network with the name ABB-XX-XX-XX-XX-XX-XX that it is no longer necessary). The message provides the links corresponding to the IP Address assigned by the home wireless network router to the inverter and the “Host Name”: both links can be used...
  • Page 101 “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 ABB Service purposes. - 101 -...

  • Page 102: Tools Section

    When a meter device is connected to the inverter, it’s requested to select the meter model: 1. None (where system is installed without meter) 2. REACT-MTR-1PH (single-phase). Not UL certifified. 3. ABB B23 1PH (single-phase). Not UL certifified. 4. ABB B23 3PH (three-phase). Not UL certifified. - 102 -...
  • Page 103 7 - Operation Local I/O Manager In the Local I/O Manager sub-menu it’s possible to enable the manage- ment of power flows in order to optimize self-consumption or avoid fee- ding power to the grid (this features will work only on inverter equipped with UNO-DM-COM KIT or UNO-DM-PLUS-COM ETHERNET KIT).
  • Page 104 7 - Operation • Configurable alarm with reset at the end of the alarm signalling pro- cess - display text “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 of the inverter display.
  • Page 105 7 - Operation Vin > Vstart • Crepuscolar - display text “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 106 7 - Operation • Latch configurable alarm - display text “Alarm-Contact (alarm con- figuable - 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 of the inverter display (see the INVERTER RUN table below).
  • Page 107 7 - Operation • Load Manager - display text “Load Management”: Load Manager functionality it allow you to define configurable power thresholds for wich 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 108 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 109: Firmware Update

    An interruption of updating process could damage the inverter! • Remote firmware Update: In remote mode, the firmware will update automat- ically, searching the last available firmware on ABB servers, by clicking the “CHECK” button. After the finish of the checking process the avail-...

  • Page 110: Date And Time

    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 avail- able). When it’s not possible for the inverter to detect the time protocol, these fields have to be manually entered.

  • Page 111: Information Section

    7 - Operation NFORMATION Section In the INFORMATION Section it’s possible to view the general inform- ations about the embedded webserver. it’s possible to access the following sub-menus: • Privacy Policy • Provider Information/Impressum • Acknowledgments • Relase Notes - 111 -...

  • Page 112: Description Of The Display Menus

    7 - Operation escription of the Display menus The ABB inverters are equipped with a graphic display , consisting of 2 lines of 16 characters each, which can be used to: • Display the operating status of the inverter and the statistical data •...

  • Page 113: Menu Structure

    7 - Operation enu structure System Inverter Display WLAN Logger > Settings > Statistics > Settings > Settings > Set time > Lifetime > Backlight > Restore AP > Set cash > Partial > Contrast > Info > Set RS485 com >...

  • Page 114: System Menu

    7 - Operation ystem Menu By selecting the System menu, the following menus can be accessed: System ENTER Settings DOWN Measure Settings Selecting Settings brings up the first screen relating to the password. The default password is "0000". This can be modified by using the display buttons, always following the same procedure: •...
  • Page 115 After the grid standard was set you have 24 hours to make any changes to the grid standard value; 24 hours later the “Country Select.” functionality will be blocked, and any subsequent changes can only be made using a password provided on request by ABB (refer to dedicated chapter in this manual).

  • Page 116: Inverter Menu

    7 - Operation nverter Menu By selecting the Inverter menu, the following submenus can be ac- cessed: Inverter ENTER Statistics DOWN Settings DOWN Info Statistics By selecting Statistics, the following menus can be accessed: Statistics ENTER Lifetime DOWN Partial DOWN Today DOWN Last 7 days...
  • Page 117 7 - Operation 3. Today This section of the menu displays today's statistics: • E-day: Energy produced today • P-Peak: Today’s peak power value • Val. : Value of today’s production, calculated using the currency and conversion coefficient set in the relevant section of the SETTINGS menu •...
  • Page 118 7 - Operation Settings Selecting Settings brings up the first screen relating to the password. The default password is "0000". This can be changed by using the display buttons, following the same procedure as always: • ENTER scrolls through the digits (from left to right) •...
  • Page 119 We advise changing the activation voltage only if really necessary and to set it to the cor- rect value: the photovoltaic generator sizing tool available on the ABB website will indicate whether Vstart needs changing and what value to set it to.
  • Page 120 This section of the menu is reserved for installers. A special access password is required, which may be obtained by con- tacting ABB Technical Sales (1-877-261-1374). Before connecting to the site, make sure you have all the information required to calculate your password: Inverter Model, Serial Number and week of manufacture of the Inverter When you have a password you can set the parameters in the menu.
  • Page 121 7 - Operation 5. Remote ON/OFF This section of the menu is used to enable/disable connection/discon- nection of the inverter from the grid using the special control signal (R+) for inverter equipped with UNO-DM-COM KIT or UNO-DM-PLUS-COM ETHERNET KIT. • Disabled: 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 122 7 - Operation 8. Reactive Power This section of the menu may be used to manage the supply of reactive power into the grid. There are 5 possible types of management: • Q: No Regulation: no regulation of reactive power. To activate this mode, press ENTER and then press ENTER to confirm.
  • Page 123 7 - Operation 9. Alarm This features will work only on inverter equipped with UNO-DM-COM KIT or UNO-DM-PLUS-COM ETHERNET KIT. This section of the menu allows you to set the activation status of a relay (available either as contact normally open – N.O. - and as a normally closed contact -N.C.) and to configure customised alarm conditions.
  • Page 124 7 - Operation • Configurable alarm with reset at the end of the alarm signalling process (display text “Alarm Conf.”) INVERTER RUN The relay is activated (status: switched) whenever an error (code Exxx) N.C. or a warning (code Wxxx) is present from those selected from the list in Relay State: Idle N.O.
  • Page 125 7 - Operation • Crepuscolar (display text “Crepuscolar”) Vin > Vstart The relay is activated (status: switched) as soon as the inverter input N.C. Relay State: Switched voltage exceeds the activation voltage set. N.O. The relay switch to rest position when the input voltage drops below 70% Vin <...
  • Page 126 7 - Operation • Latch configurable alarm (display text “Al. Conf. Latch”) The relay is activated (status: switched) whenever an error (code Exxx) INVERTER RUN or a warning (code Wxxx) is present from those selected from the list in N.C. Relay State: Idle the dedicated submenu Alarm Config (see the table below).
  • Page 127 7 - Operation Info By selecting the Info menu, the following menus can be accessed: Info ENTER Part No. DOWN Serial No. DOWN Firmware 1. Part No. Displays the model code 2. Serial number Displays the serial number and week and year of manufacture of the equipment 3.

  • Page 128: Display Menu

    7 - Operation isplay Menu By selecting the Display menu, the following submenus can be ac- cessed: Display ENTER Settings Settings Selecting Settings brings up the first screen relating to the password. The default password is "0000". This can be changed by using the display buttons, following the same procedure as always: •...

  • Page 129: Wlan Logger Menu

    7 - Operation LAN Logger Menu By selecting the WLAN Logger menu, the following submenus can be accessed: WLAN Logger ENTER Settings DOWN Info Settings Selecting Settings brings up the first screen relating to the password. The default password is "0000". This can be changed by using the display buttons, following the same procedure as always: •...

  • Page 130: Aintenance

    Maintenance ntroduction and maintenance warnings Routine preventive maintenance is required to maintain warranty coverage. Maintenance must be entrusted to only those individuals with knowledge of how to perform these tasks and a thorough understanding of the PV plant. Turn off the inverter. Open and lock out/tag out all external AC and DC disconnects before starting preventive maintenance.

  • Page 131: Routine Maintenance

    8 - Maintenance outine maintenance Routine maintenance operations should not be considered obligatory, but rather as recommended in order to maintain the efficiency of the PV system. It is recommended that maintenance operations are only performed by qualified personnel. The maintenance schedule may vary depending on the environmental conditions of the in- stallation premises.

  • Page 132: Troubleshooting

    8 - Maintenance roubleshooting Operations on the inverter to identify and address any faults may only be performed by the installer or by qualified personnel. nternal Webserver 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 133 ® Access the Internal Webserver using the “Host Name” that could be obtained writing this url http://ABB-XX-XX-XX-XX-XX-XX. local replacing the “X” with the hex digits of the wireless MAC address of the inverter (it can be found on the “Wireless Identifi- cation Label”...

  • Page 134: Inverter Alarm Codes

    8 - Maintenance nverter alarm codes In order to understand and resolve warning (Wxxx) or error (Exxx) sig- nals that appear in the Alarm section of the internal webserver or on the inverter’s display, follow the table given in the following paragraph. The equipment can notify errors/warnings in the Alarm section of the in- ternal webserver or on the display only if the input voltage is greater than the Vdcmin voltage (POWER Led flashing or lit;...
  • Page 135 8 - Maintenance - Code on display - 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 136 8 - Maintenance - Code on display - 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 137 8 - Maintenance - Code on display - Error message Name of Alarm and Cause Solution - Signal - W026 * Reset of the Arc Fault error: - AFDD user reset • The reset of the Arc Fault error is done directly by the cus- Manual reset of the Arc Fault error;...
  • Page 138 8 - Maintenance - Code on display - Error message Name of Alarm and Cause Solution - Signal - E005 Communication error inside the inverter: • Error inside the inverter and cannot be checked externally. - Comm.Error The alarm occurs when there are communication prob- - If the problem (once the inverter has been switched off and Alarm LED lems between the control devices inside the inverter.
  • Page 139 8 - Maintenance - Code on display - Error message Name of Alarm and Cause Solution - Signal • Measure the insulation resistance using a megohmmeter posi- High leakage current measured on the DC side tioned in the photovoltaic field (positive terminal short-circuited (photovoltaic generator): at the negative pole) compared to ground.
  • Page 140 8 - Maintenance - Code on display - Error message Name of Alarm and Cause Solution - Signal Low value of insulation resistance: Before connecting to the grid the inverter measures the insulation resistance of the PV generator compared to ground. Should the measurement of the insulation resistance be below 1Mohm, the inverter does not con- •...
  • Page 141 8 - Maintenance - Code on display - Error message Name of Alarm and Cause Solution - Signal Average of the measurements of grid voltage out- side of range: The average value of the grid voltage (sampled every 10 • Check the grid voltage in the connection point to the inverter. minutes) does not fall within the permitted ranges.
  • Page 142 8 - Maintenance - Code on display - Error message Name of Alarm and Cause Solution - Signal • If the problem has occurred during the installation phase or during the inverter maintenance phase (therefore the cover has been removed or the cable glands have been acted upon), carry out the following operations: - Disconnect the AC grid and DC input from the inverter and check for the front cover and all the cable glands, also check-...

  • Page 143: Power Limitation Messages

    8 - Maintenance ower limitation messages The equipment can signal possible output power limitations which may occur on the basis of: - settings made by the user - settings required by the grid standard of the country of installation - protective devices inside the inverter The messages are shown on the display.
  • Page 144 8 - Maintenance - Message on display Name of Derating and Cause Solution Power limitation due to excess temperature: The message indicates that a power limitation is active since • Check that the inverter is not exposed to direct an excess temperature condition has been recorded inside the sunlight.

  • Page 145: Dismantling The Inverter

    8 - Maintenance ismantling the inverter Before attempting any work on the inverter, wait for stored energy to be discharged and for parts to cool. • Open the external DC and AC disconnects switches. • Disconnect any power supplies that may be connected to the UNO-DM- COM KIT and UNO-DM-PLUS-COM ETHERNET KIT.

  • Page 146: Calculation Of Second-Level Password (Service Menu, Admin Plus)

    “Inverter > Info > Firmware”. The password obtained enables access also to the advanced “Installer” mode present on the configuration software for inverters (Aurora Manager LITE). The configuration software can be downloaded in a specific section of the website www.abb.com/solarinverters. - 146 -...

  • Page 147: Resetting The Remaining Time For Grid Standard Variation From Display

    8 - Maintenance esetting the remaining time for grid standard variation from display From the moment a valid grid standard is set and the inverter is switched on, there is a time period of 24 hours available in which modifications to the grid standard setting can be made.

  • Page 148: Verification Of Ground Leakage

    8 - 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 149: Behavior Of A System With Leakage

    8 - Maintenance ehavior 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 150: Measuring The Insulation Resistance Of The Pv Generator

    8 - Maintenance easuring the insulation resistance of the PV 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 selector). Once the short-circuit has been made, measure the insulation resistance (Riso) using a megohmmeter positioned between the two shorted poles and ground (of the inverter).

  • Page 151: Storage And Dismantling

    ABB CANNOT be held responsible for disposal of the equipment (cables, batteries, etc.). The customer must dispose of these items, some of which be harmful to the environment, in accordance with the local regulations Dispose of the various types of materials at facilities that are suitable for the purpose.

  • Page 152: Ttachments

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

  • Page 153: Network Hosts

    Hosts The inverter will connect to the following hosts. Some servers owned by ABB, 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 154: Further Information

    For further information on ABB products and services for solar systems, please refer to www.abb.com/solarinverters...

  • Page 155: Contact Us

    www.abb.com/solarinverters...

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