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000702AG

8 - Maintenance

Stage 3 - Request for second level password

- Go online and access https://registration.abbsolarinverters.com

- Insert the Username (corresponding to the email used during

registration) and the Password obtained at the end of Stage 2

- Access the section dedicated to requesting the second-level password

- Choose the inverter model from the drop-down list and insert Update

Ver., Serial Number and Week of Production of the inverter which were

obtained previously (Stage 1)

Summary of Contents for UNO-DM-1.2-TL-PLUS

Page 1: ...ABB solar inverters Product Manual UNO DM 1 2 2 0 3 0 3 3 4 0 4 6 5 0 TL PLUS from 1 2 to 5 0 kW ...

Page 2: ...secure connection between the pro duct and the user s network or any other network as the case may be The user shall establish and maintain any appropriate measures such as but not limited to the installation of firewalls application of authentication measures encryption of data installation of anti virus programs etc to protect the product the network its system and the interface against any kind...

Page 3: ...cident prevention 2 Introduction and general information 3 Characteristics 4 Lifting and transport 5 Installation 6 Instruments 7 Operation 8 Maintenance 9 Attachments UNO DM 1 2 2 0 3 0 3 3 4 0 4 6 5 0 TL PLUS Product manual EN Rev F M000036FG EFFECTIVE 21 05 2019 Copyright 2019 ABB All Rights Reserved ...

Page 4: ... conditions 16 Intended or allowed use 16 Limits in field of use 16 Improper or prohibited use 16 Characteristics 17 General conditions 17 Reference number index 18 Graphical representation of references 18 Accessory Board UNO DM COM KIT 19 Accessory Board UNO DM PLUS COM Ethernet KIT 20 REACT MTR 1PH energy meter 21 ABB B23 B24 3PH energy meter 21 ABB B21 1PH energy meter 22 Models and range of e...

Page 5: ...allation position 57 Wall mounting 58 Wireless antenna mounting 59 Opening the front cover 60 Preliminary operations for connection of the PV generator 61 Checking the correct polarity of the strings 61 Checking of leakage to ground of the photovoltaic generator 61 Selection of differential protection downstream of the inverter 61 Independent or parallel input channels configuration 63 Channel con...

Page 6: ... cover 93 Instruments 94 General conditions 94 Monitoring and data transmission 95 User interface 95 Measurement tolerance 95 Description of keyboard and LED Panel 96 Operation 97 General conditions 97 Commissioning Via web user interface 98 Commissioning Using the inverter display 107 Power Alarm GFI LEDs behaviour 109 Specifications on operation of the LEDs 110 LED insulation fault 110 COMM WLAN...

Page 7: ...Replacement of the buffer battery 186 Registration on Registration website and calculation of second level password Service menu Admin Plus 187 Resetting the remaining time for grid standard variation from display 190 Verification of ground leakage 191 Behaviour of a system without leakage 191 Behaviour of a system with leakage 192 Measuring the isolation resistance of the PV generator 193 Storage...

Page 8: ... product and they do not replace the safety regulations in force in the country of installation The operators must read and comply with the technical information and instruction provided in the manual and in the attached documentation ABB 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: ... the presence of hot zones or zones with parts at high temperatures risk of burns Risk of explosion Risk of injury due to the weight of the equipment Take care during lifting and transport The area marked with this sign must not be accessed or the operation described must not be carried out Keep out of the reach of children Smoking and the use of naked flames is prohibited It is mandatory to carry...

Page 10: ... the figure by the letters XX is provided on the identification label DC Direct Current AC Alternate current With isolation transformer Without isolation transformer Positive pole of the input voltage DC Negative pole of the input voltage DC Center of gravity of the equipment Wear acoustic protection devices in order to prevent damage to hearing ...

Page 11: ...y become live Verifytheabsenceofoperatingvoltage Thismustbebymeansofapropertestinstrument Complete the permit to work and Walk the Permit Now we have verified a safe working area it is time to validate the Permit to Work and Walk the Permit Refer to Inverter total de energization and safe access chapter on this manual to know all detailed necessary steps to safely operate on the inverter Environme...

Page 12: ...ical power system The internal DC disconnect switches if present do not complete isolate the DC input cables or terminals from the DC voltage supplied by the photovoltaic generator Refer to Inverter total de energization and safe access chapter on this manual for further details Do not work on the communication and control signal cables when power is applied to the inverter or to the external cont...

Page 13: ...air the room External weather conditions such as water seepage low temperatures high humidity etc Maintain ambient conditions suitable for the system Overheating of surfaces at temperature transformers accumulators coils etc can cause burns Also be careful not to block the cooling slits or systems of the equipment Use suitable protective equipment or wait for the parts to cool down before switchin...

Page 14: ...not expressly agreed with the manufacturer concerning either hardware or software shall result in the immediate cancellation of the warranty The customer is fully responsible for any changes made to the system Given the countless array of system configurations and installation envi ronments possible it is essential to check the following adequate spa ces suitable for housing the equipment airborne...

Page 15: ...nt contains only the information considered necessary for the use and routine maintenance of the equipment Operator and maintenance personnel skills prerequisites Personnel in charge of using and maintaining the equipment must be skilled for the described tasks and must reliably demonstrate their capacity to correctly interpret what is described in the manual For safety reasons the installation mu...

Page 16: ...to the electricity grid only in countries for which it has been certified approved The inverter cannot be connected to the DC side in parallel to other inverters The inverter may only be used in compliance with all its technical characteristics Improper or prohibited use IT IS STRICTLY FORBIDDEN TO Install the equipment in environments subject to particular conditions of flammability or in adverse...

Page 17: ...verall dimensions and equipment identification The customer Installer takes full responsibility if when reading this manual the chronological order of its presentation provided is not observed All information is provided considering occasional inclusion of information in previous chapters In certain cases there may be a need to separately document softwa re functionality or attach supplementary do...

Page 18: ...onnector 11 Wireless antenna connector 12 DC Input terminal block 13 Locking Screw 16 DC disconnect switch Only for S models 18 UNO DM COM KIT Card Only for X and E models or as op tional accessory 19 External earth connection 20 Service cable glands Reference number index Graphical representation of references 03 09 04 16 10 11 20 19 01 13 03 01 13 18 13 06 07 05 08 12 ...

Page 19: ...onnector 22 RS485 Termination line jumper 23 DRM0 activation jumper 24 ALARM terminal block 25 Fixing hole 26 RS485 and REM terminal block Accessory Board UNO DM COM KIT Only X models or as optional accessory K1 J1 COM NC NO J4 21 25 24 26 23 22 ...

Page 20: ...US COM Ethernet KIT Only E models or as optional accessory 21 25 24 26 27 23 22 21 Inverter connector 22 RS485 Termination line jumper 23 DRM0 activation jumper 24 ALARM terminal block 25 Fixing hole 26 RS485 and REM terminal block 27 LAN Ethernet connector ...

Page 21: ...UT 110 230 V 50 60 Hz 10 mA max 57 56 55 54 ABB B23 B24 3PH energy meter 59 59 60 58 54 REACT MTR 1PH 57 METER RS485 serial terminal block 58 ABB B23 B24 3PH Meter 55 Hole for line cable 59 terminal block for three phase connection 56 AC power supply terminal block 60 METER RS485 serial terminal block ...

Page 22: ... 22 000678EG 3 Characteristics ABB B21 1PH energy meter 3 COMM 5 56 57 56 40 40 ABB B21 1PH meter 56 AC power supply terminal block 57 METER RS485 serial terminal block ...

Page 23: ...els with S suffix e g UNO DM 3 3 TL PLUS S Models equipped with DC disconnecting switch 16 Models with E suffix e g UNO DM 3 3 TL PLUS E Models equipped with Wireless communication and Accessory Board equipped with Ethernet board UNO DM PLUS COM Ethernet KIT 18 Models with X suffix e g UNO DM 3 3 TL PLUS X Models equipped with Accessory Board UNO DM COM KIT 18 The choice of the inverter model must...

Page 24: ...ed hidden etc for any reason whatsoever The Regulatory label contains the following information 1 Manufacturer 2 Model 3 Rating data 4 Certification marks 5 Inverter Part Number 6 Week Year of manufacture 7 Inverter Serial Number consisting of YY Year of manufacture WW Week of manufacture SSSSSS sequential number Power One Italy S p A Via San Giorgio 642 Terranuova Bracciolini AR 52028 Italia PN P...

Page 25: ... only required information to register the invert er with Aurora Vision 4 Inverter Serial Number 5 Product Key To be used as the password of the wireless network generated by the inverter Access Point or as a username and password to ac cess the internal web server if the credentials have been lost 6 QR code to be used for commissioning The Wireless Identification label is divided in two separate ...

Page 26: ...s connectable in input according to the IEC 61730 standard Class A Input protection Reverse polarity protection Yes from limited current source Input over voltage protection varistor Yes Photovoltaic array isolation control According to local standard DC switch rating for each MPPT version with DC switch 25 A 600 V Output Side AC Grid connection type Single phase Rated AC power Pacr cosφ 1 1200 W ...

Page 27: ... external environment 3 Environmental category External Physical Environmental protection rating IP 65 Cooling Natural Dimension H x W x D 553mm x 418mm x 175mm 21 8 x 16 5 x 6 9 Weight 15 kg 33 lb Mounting system Wall bracket Overvoltage category according to IEC 62109 1 II DC input III AC output Safety Isolation level Transformerless Marking CE RCM Safety class I Safety and EMC standard IEC EN 6...

Page 28: ... A Number of DC inputs pairs for each MPPT 1 DC connection type Quick Fit PV Connector 1 Type of photovoltaic panels connectable in input according to the IEC 61730 standard Class A Input protection Reverse polarity protection Yes from limited current source Input over voltage protection for each MPPT varistor Yes Photovoltaic array isolation control According to local standard DC switch rating fo...

Page 29: ...ronmental protection rating IP 65 Cooling Natural Dimension H x W x D 553mm x 418mm x 175mm 21 8 x 16 5 x 6 9 Weight 15 kg 33 lb Mounting system Wall bracket Overvoltage category according to IEC 62109 1 II DC input III AC output Safety Isolation level Transformerless Marking CE RCM Safety class I Safety and EMC standard IEC EN 62109 1 IEC EN 62109 2 AS NZS 4777 2 EN 61000 6 1 EN 61000 6 2 EN 6100...

Page 30: ...4 0 A Number of DC inputs pairs for each MPPT 1 DC connection type Quick Fit PV Connector 1 Type of photovoltaic panels connectable in input according to the IEC 61730 standard Class A Input protection Reverse polarity protection Yes from limited current source Input over voltage protection for each MPPT varistor Yes Photovoltaic array isolation control According to local standard DC switch rating...

Page 31: ...tal category External Physical Environmental protection rating IP 65 Cooling Natural Dimension H x W x D 553mm x 418mm x 175mm 21 8 x 16 5 x 6 9 Weight 15 kg 33 lb Mounting system Wall bracket Overvoltage category according to IEC 62109 1 II DC input III AC output Safety Isolation level Transformerless Marking CE RCM Safety class I Safety and EMC standard IEC EN 62109 1 IEC EN 62109 2 AS NZS 4777 ...

Page 32: ... 4 5 Nm Screws for securing AC output connector cables gland 0 8 1 Nm Service cable gland 20 M25 ring nut fastening 5 0 Nm Service cable gland 20 M25 lock nut fastening 7 5 Nm Front cover fastening screws 05 2 5 Nm Screw for external ground connection 19 2 5 Nm Overall dimensions The overall dimensions are expressed in millimetres and inches and in clude the wall installation bracket 418mm 16 45 1...

Page 33: ...80EG 3 Characteristics Bracket dimensions The dimensions of the wall mounting bracket are expressed in mm 53 4 322 8 8 80 24 5 23 5 9 3 33 25 86 75 86 75 31 75 31 75 8 8 A A 50 25 SIDE VIEW SECTION VIEW A A 128 ...

Page 34: ...iciency curves are linked to technical parameters that are continually being developed and improved and should therefore be considered approximate UNO DM 3 3 TL PLUS Efficiency Curves 80 78 76 74 82 84 86 90 88 92 94 96 98 0 10 20 30 50 70 100 Efficiency 80 90 60 40 210Vdc 360Vdc 480Vdc of rated Output Power UNO DM 4 0 TL PLUS Efficiency Curves 80 78 76 74 82 84 86 90 88 92 94 96 98 0 10 20 30 50 ...

Page 35: ...74 82 84 86 90 88 92 94 96 98 0 10 20 30 50 70 100 Efficiency 80 90 60 40 210Vdc 360Vdc 480Vdc of rated Output Power UNO DM 5 0 TL PLUS Efficiency Curves 80 78 76 74 82 84 86 90 88 92 94 96 98 0 10 20 30 50 70 100 Efficiency 80 90 60 40 210Vdc 360Vdc 480Vdc of rated Output Power ...

Page 36: ...ditions The power reduction value and the inverter temperature at which it oc curs depend on the ambient temperature and on many operating para meters Example input voltage grid voltage and power available from the photovoltaic field The inverter can therefore reduce the power during certain periods of the day according to the value of these parameters In any case the inverter guarantees the maxim...

Page 37: ...ow For UNO DM 3 3 4 0 4 6 5 0 TL PLUS models the graphs shows the va lues with parallel input channel configuration Pout kW Vin Vdc 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 Pout Vs Vin UNO DM 3 0 TL PLUS UNO DM 3 3 TL PLUS UNO DM 2 0 TL PLUS UNO DM 1 2 TL PLUS UNO DM 4 0 TL PLUS UNO DM 4 6 TL PLUS UNO DM 5 0 TL PLUS ...

Page 38: ...tal lation costs of a photovoltaic system mainly associated to wiring on the DC side of the inverter and subsequent distribution on the AC side A photovoltaic module consists of many photovoltaic cells mounted on the same support A string consists of a certain number of module connected in series An array consists of two or more strings connected in parallel Large photovoltaic systems can include ...

Page 39: ...ns or unsuitable input voltage values When connected in parallel with the grid the alternating current from the inverter flows directly into the domestic or industrial distribution circuit which is in turn connected to the public distribution grid This way the solar energy system compensates for the energy drawn from the utilities connected to the grid to which it is linked When the photovoltaic s...

Page 40: ...id Each string inverter will work independently of the others and its own photovoltaic module will supply the maximum power available to the grid Notes on the system sizing Decisions on how to structure a photovoltaic system depend on a series of factors and con siderations such as the type of panels the space availability the future location of the sys tem energy production goals over the long te...

Page 41: ...r setup and local monitoring of the inverter When the inverter is connected to the WLAN network with access to the Internet the device allows data to be transferred to the Aurora Vision CLOUD platform for Internet monitoring using the Plant Portfolio Manager Plant Viewer Plant Viewer for Mobile Energy Viewer Mobile App ACCESS POINT MODE COMMUNICATION Internet web Browser Internal Webserver User In...

Page 42: ... easy to use web based serviced application used by non solar power professionals such as homeowners or small busi ness owners to monitor solar power plants they own 3 Plant Viewer for Mobile is the mobile version of Plant Viewer en abling non solar power professionals to remotely monitor their own PV plants by using smart phones tablets and iPod Touch with IOS and An droid operating systems 4 ABB...

Page 43: ... custumizable activation power and temporal thresholds basic load management ca pability Modbus Sunspec certified interface Thanks to the Modbus RTU TCP communication protocol Sunspec compliant the inverter can be easily integrated with third party monitor ing and control system by using the accessory board UNO DM COM KIT or UNO DM PLUS COM Ethernet KIT The Modbus RTU TCP register map is the same ...

Page 44: ... feed into the grid The inverter is able to produce reactive power and can feed this power into the grid via the phase factor setting Managing the feed can be con trolled directly by the grid company via a dedicated RS485 serial inter face or set by the display or through the internal web user interface Power feeding modes vary according to the country of installation and the grid companies For de...

Page 45: ...lvan ic insulation between the input and the output This allows the conver sion efficiency to be increased further The inverter is already equipped with all the protections necessary for safe operation and compliance with standards and regulations even without the insulating transformer The connection to the power grid is therefore kept under control by two independent processors in full complianc...

Page 46: ... 1 DC DC Bulk caps Inverter DC AC Line fil t er Grid parallel relay L N PE Residual current detection RS485 T R T R RTN Remote control R R Load manager Alarm N C N O C IN1 1 IN1 1 Optional WLAN DC DC DSP contr DC AC DSP contr µP Control circuit Block diagram of UNO DM 1 2 2 0 3 0 TL PLUS ...

Page 47: ...DC IN2 MPPT 2 DC DC Bulk caps Inverter DC AC Line filter Grid parallel relay L N PE Residual current detection RS485 T R T R RTN Remote control R R Load manager Alarm N C N O C IN1 1 IN1 1 IN2 1 IN2 1 Optional WLAN DC DC DSP contr DC AC DSP contr µP Control circuit Block diagram of UNO DM 3 3 4 0 4 6 5 0 TL PLUS ...

Page 48: ...inverter must be used with panels connected in floating mode i e with no earth connections on the positive and negative terminals An advanced ground fault protection circuit continuously monitors the ground connection and disconnects the inverter when a ground fault in dicating the fault condition by means of the red GFI LED on the LED panel on the front side Other safety devices The inverter is e...

Page 49: ...ized staff in change of loading and unloading the components The ropes and equipment used for lifting must be suitable for bearing the weight of the equipment Do not lift several units or parts of the equipment at the same time unless otherwise indicated Unpacking and checking Packaging elements cardboard cellophane staples adhesive tape straps etc may cause cuts and or injuries if not handled wit...

Page 50: ...nt cover 1 T20 screws for wall bracket locking 2 Watertight connector for AC cable connection 1 Cable with faston isolated for the configuration of the input channels in parallel 1 1 Wireless Antenna 1 In addition to what is explained in this guide the safety and installatio n informati on provided in the installatio n manual mus t be read and followed The technical documen tation and the interfac...

Page 51: ... 51 000684CG 4 Lifting and transport Weight of the modules of the equipment Table Weights Weight Kg lb Lifting points no UNO DM 1 2 2 0 3 0 3 3 4 0 4 6 5 0 TL PLUS 15 kg 33 lb 2 NO NO 1 2 3 4 5 6 ...

Page 52: ...ienced in this job They must also have received suitable training on equipment of this type The installation must be performed by qualified installers and or licensed electricians in ac cordance with the existing regulations in the country of installation The inverter panels covers can be removed from authorized service personnel only the users is not authorized to remove inverter panels covers Co...

Page 53: ...ed by where the inverter is installed for exam ple the type of surface around the inverter the general properties of the room etc and the quality of the electricity supply Avoid electromagnetic interference that can compromise the correct operation of electronic equipment with the consequent hazards Final installation of the equipment must not compromise access to any disconnection devices that ma...

Page 54: ...mobile device smartphone tablet or notebook and connecting to the wireless router from a position which is close to the installation site of the inverter Some installation examples are provided below in different conditions and with the maximum recommended distances between the Inverter and the wireless router Material of the structure Wood Distance X between the Inverter and the wireless Router l...

Page 55: ...oncrete Distance X between the Inverter and the wireless Router any distance Installation not permitted Assess the possibility of externally positioning the wireless router antenna extension or position the wireless router near a window in the line of sight of the inverter Material of the structure any material Distance X between the Inverter and the wireless Router less than 30m 100ft Installatio...

Page 56: ...the router considering the different types of materials which the radio signal will have to pass through Material Relative signal reduction Open field 0 strength of approximately 50 metres Wood Glass From 0 to 10 Stone Plywood From 10 to 40 Reinforced concrete From 60 to 90 Metal Up to 100 The quality of the RF signal can be assessed during the installation stage where the signal is displayed in d...

Page 57: ... 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 Maintenance on device hardware and software entails removing the front covers Check that the correct installation safety distances are ob served in order to allow routine check and maintenance operations...

Page 58: ... installer The choice must be made according to the type of wall frame or other type of support and should be sized considering a total load of more than 4 times the weight of the inverter total 4x15 60 kg total Depending on the type of anchor chosen drill the holes required for the fixing of the bracket 01 Figure A Fix the bracket to the wall or structure Carefully lift the inverter and hook it o...

Page 59: ...stall 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 11 located on the bottom part of the inverter ...

Page 60: ...rter The main connections are made on the lower part outside of the in verter If required install the accessories and make the necessary con nections unscrew the 8 screws using a TORX T20 key and open the front cover 05 while removing the screws pay special attention since additional screws are not supplied Do not open the inverter in the case of rain snow or a high level of humidity 95 Caution It...

Page 61: ...scribed in the section on Verification of leakage to ground Do not connect the strings if a leakage to ground has been detected as the inverter might not connect to the grid Selection of differential protection downstream of the inverter AllABB string inverters marketed in Europe are equipped with a device for protection against ground faults in accordance with the safety standard IEC 62109 2 sect...

Page 62: ...xternal protection device For protection of theAC line on the basis of the information above with regard to the differential protection integrated in ABB inverters it is not necessary to install a type 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 ABB inverters do not inject ground fault d...

Page 63: ...u must comply with the above requirements in order to benefit from the ability to levera ge the full power of the inverter output on a single channel MPPT The dual MPPT structure however allows management of two photovol taic generators which are independent of each other one for each input channel and which may differ between themselves with regard to instal lation conditions type and number of p...

Page 64: ...from the horizontal and the same orientation to the SOUTH The photovoltaic generator con nected to each of the inputs has a power lower than the power limit of the input channel AND a current lower than the current limit of the input channel This condition is advisable from the point of view of the energy production of the system not from the point of view of inverter operation The photovoltaic ge...

Page 65: ...tion of the web user interface SETTINGS SETUP DC SIDE INPUT MODE or through the inverter display menu SETTINGS IN PUT MODE Parallel channel configuration This configuration involves the use of the two input channels MPPT connected in parallel This means that the jumpers supplied between the positive and negative poles of the two DC input channels 12 must be installed and that the parallel channel ...

Page 66: ...internal and external to the inverter and AC discon nect switches external to the inverter OFF Caution The inverters referred to in this document are TRANSFORMERLESS This type requires the use of insulated photovoltaic panels IEC61730 Class A Rating and the need to keep the photovoltaic generator floating with respect to ground no terminal of the generator must be connected to ground For the strin...

Page 67: ...ws a connection example of the string inputs on a UNO DM 3 3 TL PLUS SB inverter 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 may be used at a later time IP65 ...

Page 68: ... used che cking the conforming corresponding part on the manufacturer s website or with ABB Using corresponding parts that are not compliant with the quick fit connector models on the inverter could cause serious damage to the unit and lead to invalidation of the warranty CAUTION To avoid damage to the equipment when attaching cables pay particular atten tion to polarity 1 WEIDMÜLLER PV Stick quic...

Page 69: ...t it complies with the connector limits Apply the terminal to the conductor using the designated pliers Weidmüller CTF PV WM4 1222870000 Insert the cable with the terminal into the interior of the connector until you hear the click indicating that the terminal is locked inside the con nector Click Firmly tighten the cable gland using the relevant tool to finish the ope ration 2 0 2 5 Nm WEIDMÜLLER...

Page 70: ... verifying that it complies with the connector limits Apply the terminal to the conductor using the designated pliers Multi Contact 32 6020 19100 Insert the cable with the terminal into the interior of the connector until you hear the click indicating that the terminal is locked inside the con nector Click Firmly tighten the cable gland using the relevant tool to finish the ope ration 2 5 Nm Multi...

Page 71: ...verifying that it complies with the connector limits Apply the terminal to the conductor using the designated pliers Amphenol H4TC0002 Insert the cable with the terminal into the interior of the connector until you hear the click indicating that the terminal is locked inside the con nector Click Firmly tighten the cable gland using the relevant tool to finish the ope ration 2 6 2 9 Nm Amphenol H4T...

Page 72: ...ollowing opera tions Characteristics and sizing of the line cable Installation of the cable on the AC output connector 10 Connection of the AC output connector to the inverter Characteristics and sizing of the line cable The cross section of the AC line conductor must be sized in order to pre vent unwanted disconnections of the inverter from the grid due to high impedance of the line that connects...

Page 73: ...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 To protect the inverter and the AC connection line a device must be in stalled to protect against maximum current and leakage to ground with the following characteristics UNO DM 1 2 UNO DM 2 0 UNO DM 3 0 UNO DM 3 3 UNO DM 4 0 UNO DM 4 6 UN...

Page 74: ...nsure that the cable s radius of curvature is more than 4 times the diameter of the cable Prepare the cable respecting the following measurements It s possible to use both stranded or solid wire but the requirements are different N L Max 6 mm 12mm with ferrules 8mm without ferrules X Ø10 14mm X Y L N 25 mm Y 30mm z 10mm max z The use of stranded wire with a conductor section values between 1 5 4 m...

Page 75: ...und on the head of the connector respecting the indications printed on each of the three connec tion terminals tightening torque 0 8 1Nm Close the connector and tighten the cable gland respecting the tighten ing torque 4 1Nm in order to guarantee the IP65 protection level 1 2 ...

Page 76: ...stalled protective cover on the inverter Insert the corresponding part in the AC output connector 10 be ing careful to align the reference points present on both connectors which prevent connection errors 2 1 3 In order to maintain the inverter s level of IP protection the corresponding part must be in stalled with the AC cable connected or the protective cover on the AC output connector In additi...

Page 77: ...ve a minimum cross section not less than the phase cable and in any case not less than 4mm To install a second protective grounding cable follow the procedure de scribed below From among the components supplied find the M5x10 screw and the two M5 knurled washers Fit a proper cable lug on the protective grounding cable Fasten the cable lug using the screw and the two washers following the sequence ...

Page 78: ... An M25 cable gland that takes cables from 10 mm to 17 mm in diameter and a gasket with two holes to insert into the cable gland which enables two separate cables of a maximum dia meter of 6 mm to be accommodated are available Warning To ensure environmental protection IP65 it is necessary to fix the cable glands to the inverter chassis with a minimum tightening torque of 7 5 Nm The connection of ...

Page 79: ... terminal of multifunctional relay C Common terminal of multifunctional relay N O Normally open terminal of multifunctional relay Description of communication and control signal terminal block 26 Terminal name Terminal number Description REM R Remote external ON OFF command RTN Reference RTN of the Remote external ON OFF command RS485 RTN Reference RTN of the RS485 communication line T R T R of th...

Page 80: ...terminal of multifunctional relay C Common terminal of multifunctional relay N O Normally open terminal of multifunctional relay Description of communication and control signal terminal block 26 Terminal name Terminal number Description REM R Remote external ON OFF command RTN Reference RTN of the Remote external ON OFF command RS485 RTN Reference RTN of the RS485 communication line T R T R of the...

Page 81: ... specific chapter or through the display and the key board see the specific chapter The connection of the serial communication cable must be made to the specific RS485 connector 26 present on the UNO DM COM KIT board For connection of the RS485 communication line is necessary a three wire shielded cable The cable specifications are described in the fol lowing table Cable type AWG Characteristic im...

Page 82: ...le the termination the RS485 communication line 22 with a resistance present onboard K1 J2 J3 1 J4 MP1 T R RTN RTN RS485 REM T R R 120 TERM ON OFF DRM0 N C N O ALARM C UNO DM COM KIT 06 If the RS485 communication line is used to connect an energy meter it will not be possible to connect other unit with daisy chain After the connection is completed RS485 inverter address have to be chosen between 1...

Page 83: ... from the grid The remote control OFF condition is shown on the display Connections for this command are made between input R and RTN Since this is a digital input there are no requirements to be observed as regards cable cross section it only needs to comply with the sizing requirement for passing cables through the cable glands 20 and the ter minal connector 26 The cable specifications are descr...

Page 84: ...tact being connected between the NO terminal and the common contact C and with normally closed contact being connected between the NC terminal and the common contact C Different types of devices light sound etc can be connected to the relay provided they comply with the following requirements Relay Rating Maximum Voltage 230 Vac Maximum Current 1 A The cable specifications are described in the fol...

Page 85: ...ring the wizard procedure in commissioning phase or in the dedicated section of web user interface in order to allow the proper working of energy meter and to enable the Dynamic Feed in control functionality refer to relevant section of this user manual Connection of the REACT MTR 1PH single phase The indications set out below are necessary to connect the REACT MTR 1PH to the inver ter Always refe...

Page 86: ...he current in fact the direc tion of the arrow indicates the supply point of the electric energy as indicated in the diagram Once the connection stage is finished the correct installation of the REACT MTR 1PH must be verified 54 Power the REACT MTR 1PH while keeping the inverter off Action a load of at least 50W in the house so that the REACT MTR 1PH records drawing of current from the grid Check ...

Page 87: ...To avoid risks of electrical shock all wiring operations must be carried out with theAC disconnect switch or the supply meter upstream of the meter disconnected Disconnect the AC disconnect switch upstream of the meter Strip the insulation of the cable for the length which is indicated on the meter 13mm Connect the cables of the single phase line in accordance with the la yout printed on the meter...

Page 88: ...1 57 Communication and control signal terminal block 26 of theAccessory Board 18 B 36 T R A 37 T R C 35 RTN RS485 METER To connect the serial cable inside the inverter refer to the section Connection of the RS485 line in this chapter Install the device on the DIN rail and ensure to trigger the fixing system on it Once the phase of mechanical installation of the METER is finished it is necessary to...

Page 89: ...m the change Press for two seconds to return to the RS485 menu 5 Press repeatedly until the display shows Baud Press to access Press to enable the change in the value Press repeatedly and select 19200 Press to confirm the change Press for two seconds to return to the RS485 menu 6 Press repeatedly until the display shows Address Press to access Press to enable the change in the value Press repeated...

Page 90: ...ried out with theAC disconnect switch or the supply meter disconnected upstream of the meter Disconnect the AC disconnect switch upstream of the meter Strip the insulation of the cable for the length which is indicated on the meter 13mm Connect the cables of the three phase line in accordance with the lay out printed on the meter L1 L2 L3 and N to the three phase connection terminal block 59 and t...

Page 91: ...ng torque 0 25 Nm Subsequently the cable must be connected inside the inverter on the Accessory Board 18 respecting the correspondence between the si gnals of the serial line Serial line terminal block of the ABB B23 B24 60 Communication and control signal terminal block 26 of theAccessory Board 18 B 36 T R A 37 T R C 35 RTN RS485 LINE To connect the serial cable inside the inverter refer to the s...

Page 92: ...til the display shows Prot Press to access Press to enable the change in the value Press repeatedly until the display shows Modbus Press to confirm the change Press for two seconds to return to the RS485 menu 5 Press repeatedly until the display shows Baud Press to access Press to enable the change in the value Press repeatedly and select 19200 Press to confirm the change Press for two seconds to ...

Page 93: ...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 keep the IP level of the inverter unchanged Insert and screw in the 8 fixing screws Tighten the screws respecting the sequence and the tightening torque After having installed the front cover it is possible to proceed with the commissioning of th...

Page 94: ... not use the equipment if you do not have suitable qualifications to work on this equipment or similar products you are unable to understand how it works you are not sure what will happen when the buttons or switches are operated you notice any operating anomalies there are doubts or contradictions between your experience the manual and or other operators ABB cannot be held responsible for damage ...

Page 95: ...a logger equipped with an RS 485 port Con tact the ABB 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 output meters multimeters and grid analysers since the inverter is not a measuring instrument it has wider tolerances for the measurements it makes The tol...

Page 96: ...FI RED Ground fault on the DC side of the PV generator The error is shown on the display The LEDs in various multiple available combinations can signal multiple conditions other than the original single condition see the various descriptions explained in the manual Button Description ESC It is used to access the main menu in order to go back to the previous menu or to go back to the previous digit...

Page 97: ...umentation The interpretation or variation of some data is reserved exclusively for specialized and qualified staff The input voltage must not exceed the maximum values shown in the technical data section 2 in order to avoid damaging the equipment Consult the technical data for further details During operation check that the environmental and storage conditions are correct see installation chapter...

Page 98: ...d by the system that the con nection should be established with will be ABB XX XX XX XX XX XX where X is a hex digit of the wireless MAC address A 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 installation guide on cover page After this step wait 10 seconds to allow the WLAN connection DEVICE ...

Page 99: ... setup pages web user interface STEP BY STEP COMMISSIONING WIZARD The language of the wizard could be changed by clicking on the upper status bar STEP 1 Administrator User login credentials Set the Administrator account user and pas sword minimum 8 character for password Administrator account can open and view the contents of photovoltaic site Additionally they can make changes to inverter setting...

Page 100: ...ace Direct Access Station Mode In this operating mode not only local but also remote monitoring is enabled through access to the LAN connection or through the Aurora Vision CLOUD platform STATION MODE COMMUNICATION Aurora Vision Internet web Browser Internal Webserver User Interface Wireless Router CLOUD Where possible connecting the inverter in Station Mode is always preferable Thanks to the inte...

Page 101: ...ete the additional fields at the bottom of the scre en all the fields are mandatory with the exception of the secondary DNS server Available networks SSID Identify and select your own home wireless net work from all those shown in the SSID field you can carry out a new search of the networks that can be detected with the Update button Once the network has been selected confirm Password Wireless ne...

Page 102: ...n wizard The IP address assigned may vary for reasons connected to the wireless home router setup for example a very brief DHCP lease time If verification of the address is required it is usually possible to obtain the client list and the corresponding IP addresses from the wireless router administration panel If the inverter loses the connection with the home wireless network and therefore loses ...

Page 103: ... 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 button to proceed to the next stage of the configuration wizard ...

Page 104: ...urs of operation available again in which to select a new grid standard follow the procedure Resetting the remaining time for grid standard variation described in the relevant section Input mode See the relevant section of this manual to know how set the input mode 1 Indipendent 2 Parallel Meter When a meter device is connected to the inverter it s requested to select the meter model 1 None where ...

Page 105: ...cally manages po wer flows in order to avoid the injection of energy to the grid If the meter is discon nected or not working the inverter s output power is restricted to zero in order to avoid accidental power feeding to the grid Custom The system automatically manages po wer flows in order to avoid feeding the grid with power greater than PDC x Plim where PDC is the power of the photovoltaic gen...

Page 106: ...oltage measures the insulation resistance of the photovoltaic field with respect to ground and performs other auto dia gnostic checks During the preliminary checks on the parallel connection with the grid the Power LED keeps flashing the Alarm and GFI LEDs are off During the check on the grid voltage and the measurement of the in sulation resistance the voltage grid frequency and insulation resist...

Page 107: ...esponding display language For the list of available grid standards and the relative details contact ABB From the moment that the grid standard is set you have 24 hours to make any changes to the value after which the System Settings Country Select Set Std functionality is blo cked and the remaining time will have to be reset in order to have the 24 hours of operation available again in which to s...

Page 108: ...lation resistance the voltage grid frequency and insulation resistance values measured by the inverter are displayed The inverter ONLY cre ates a parallel connection with the grid if the grid and insulation resist ance parameters fall within the ranges foreseen by current regulations If the outcome of the preliminary checks on the grid parallel is positive the inverter connects to the grid and sta...

Page 109: ...id Power Alarm GFI Indication of Warning W message codes or Error E message codes Indicates that the inverter control system has detected a warning W or error E The display shows a message indicating the type of problem found see Alarm messages Power Alarm GFI Ventilation anomaly Indicates an anomaly in the operation of the internal ventilation system that could limit output power at high ambient ...

Page 110: ...ct normally to the grid the fault was due to temporary phenomena You are advised to have the plant inspected by the installer or a specialist should this malfunction occur repeatedly Should the inverter not reconnect to the grid isolate it on both theAC and DC sides by using the disconnect switches then contact the installer or authorised centre to repair the fault in the photovoltaic generator CO...

Page 111: ...ons from v 50 and enter the IPAddress assigned by the router to the inverter or 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 Identification Label placed on the side of the inverter or applied during the commissioning phase to the quick installa t...

Page 112: ... 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 When prompted type the product key including the dashes Exam ple 1234 1234 1234 1234 as the network password to access the in verter s access point The prod...

Page 113: ... SENSITIVE If the Password is lost click on Forgot your password to obtain the access to the web user interface and it will be possible to change the password by entering the PRODUCT KEY printed on the Wireless identification label and applied during the commissioning phase to the quick installation guide on cover page The language of the web user interface could be changed in any moment by clicki...

Page 114: ...the sum mary informations related the status and the production informations of the inverter and photovoltaic plant SETUP Section dedicated toAC and DC line parameters configurations EVENTS Section dedicated to viewing Alarms and Warnings event log USER Section dedicated to User management NETWORK Section dedicated to inverter communication settings and configurations TOOLS Section dedicated to ma...

Page 115: ...oard 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 Status Summary In the Status Summary sub menu you can view the detailed informa tions related the status and the production informations of the system ...

Page 116: ...ve which connection to the grid will be attempted 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 3 Input Mode This settings allows you to set the input configuration mode In particular Independent Indepen...

Page 117: ...on must be instal led external to the inverter in accordance with the requirements of the country of installation 1 Grid Protection By editing these settings it s possible to enable disable and change the grid protection intervention thresholds parameters 2 Grid Connection By editing these settings it s possible to change the grid connection thresholds parameters to which the inverter have to conn...

Page 118: ... 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 119: ... Change the grid standard of the inverter after 24 hours while the in verter is operating so the Country Standard sub menu on TOOLS section is locked View and edit the Setup AC sub menu on SETUP section View and edit the MPPT Noise amplitude field in Setup DC on SETUP section To access on the web user interface with the Admin Plus user privileg es it s required to enter a security token that it ca...

Page 120: ...The UP and DOWN buttons scroll through the numerical scale The addresses that can be assigned are 2 to 63 RS485 Baud Rate It allows you to set the Baud Rate 2 400 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 Modbus Sunspec Server General purpose commu nication protocol to be selected to enable monitoring and control ...

Page 121: ... the following wireless network parameters set on the router 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 With Static the user can assign a fixed IP address to the system The data which has to be entered in order for IP static address assigni...

Page 122: ...nnection 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 web user interface with the inverter connected to the home wireless network Take note of it Click the Next button to complete the setup of Station Mode connection ...

Page 123: ...r replacement of router different SSID without the neces sary setting updates Where possible Station Mode is always preferable Thanks to the internet connection this mode ensures better operation Modbus TCP In the Modbus TCP sub menu it s possible to enable exchanging of data with third party monitoring and control systems over wireless channel in compliance with Sunspec register map by setting ON...

Page 124: ...r to the section Connection of the energy meter in the manual for the meter connection Meter 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 3 ABB 1PH single phase 4 ABB 3PH three phase If a 3PH energy meter ABB B23 B24 is used in the system as single phase inverter it will be nece...

Page 125: ... ter is disconnected or not working the inverter s output power is restricted to zero in order to avoid accidental power feeding to the grid Configurable The system automatically manages power flows in or der to avoid feeding the grid with power greater than PDC x Plim where PDC is the power of the photovoltaic generator PV GENERATOR POWER parameter and Plim is the output power limit with respect ...

Page 126: ... relay is activated status switched whenever an error code Exxx or warnings related to grid parameters out of range Warning codes W003 W004 W005 W006 W007 are present on the inverter The alarm returns to its resting position when the alarm signal ends i e before the inverter checks the grid parameters after the alarm state This is because grid control state is not an alarm state but a state of nor...

Page 127: ...7 W009 W011 W015 W017 W018 W019 W021 W022 W023 W024 W025 W027 W029 W030 W031 W037 W039 W040 W042 W043 W046 W047 W048 W051 W058 W059 For the configurable relay operating mode Alarm Conf the following considerations are valid If the alarm condition is persistent the alarm contact cyclically switches from its resting state to its activated state In the presence of W002 signalling Input UV input volta...

Page 128: ...the relay is activated E001 E002 E003 E004 E005 E006 E007 E010 E011 E012 E013 E014 E015 E016 E017 E018 E019 E020 E021 E022 E023 E025 E026 E027 E028 E029 E030 E031 E032 E033 E034 E035 E036 E037 E046 E050 E051 E053 E054 E055 E056 E057 E058 E065 E066 E067 E068 E069 E070 E074 E077 E078 E080 E084 E086 E087 E088 E089 W002 W003 W004 W005 W006 W007 W009 W011 W015 W017 W018 W019 W021 W022 W023 W024 W027 W0...

Page 129: ... E089 W002 W003 W004 W005 W006 W007 W009 W011 W015 W017 W018 W019 W021 W022 W023 W024 W025 W027 W029 W030 W031 W037 W039 W040 W042 W043 W046 W047 W048 W051 W058 W059 If the alarm condition is persistent the relay will remain activated status switched Ext configurable alarm display text Alarm Contact alarm con figuable matrix In this mode it is possible to configure the behaviour of the alarm relay...

Page 130: ... NOT INSTALLED Non activated relay Curve Pgrid W PthON PthOFF t TstablethOFF TstablethON Relay stats Non activated relay Curve LOAD MANAGER RELAY BEHAVIOR METER INSTALLED Mode It s possible to select AUTO which allow the auto matic switching of the relay based on parameter below ON which lock the relay in switched status OFF which lock the relay in rest status Power Threshold On W Upper Power thre...

Page 131: ...s operating After the grid standard was set you have 24 hours to make any changes to the grid standard value 24 hours later the Country Standard sub menu will be locked and any subsequent changes can only be made accessing with Adim Plus privileges Refer to the dedicated section on this topic in the manual to know how to unlock the Country Standard sub menu ...

Page 132: ...ble grid connection Select the type of test required from the list and click on START button A notification confirm request will ap pear While one of the tests is being performed the set limits will be gradually increased reduced depending on the type of test until the threshold at which the inverter is dis connected from the grid is reached The procedures for running the Autotest comply with the ...

Page 133: ...rmware on ABB servers by clicking the CHECK button After the finish of the checking process the avail able release will be notified on the bottom part of the section Click on UPDATE button to start with the updating process Local firmware Update By updating in local mode the firmware have to be selected and up loaded from local folder of the used devices to access to the web server The latest firm...

Page 134: ... 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 135: ...ction In the INFORMATION Section it s possible to view the general informa tions about the embedded web user interface it s possible to access the following sub menus Privacy Policy Provider Information Impressum Acknowledgments Relase Notes ...

Page 136: ...xA Pin1 xxxxW Pin2 xxxxW DOWN UP DOWN UP DOWN UP DOWN UP DOWN UP DOWN UP DOWN UP DOWN UP Vin xxxV Iin xx xA Pin xxxxW DOWN UP DOWN UP Inverter status The code for any malfunction will be displayed Date and time as set on the inverter Presence of Errors Warnings No Errors Warnings E day Energy produced today day Today s savings earnings E tot Energy produced since the inverter was commissioned E pa...

Page 137: ...o Serial No Firmware Lifetime Partial Today Last 7 days Last 30 days Last 365 days User Period Display Settings Backlight Contrast Language WLAN Logger Settings Info Part No Serial No View IP View Mode Restore AP System Input UV Delay Service Remote ON OFF MPPT Scan Power Limit Reactive Power Autotest Alarms Input Mode Available for the Italian country standard only ...

Page 138: ...crolls through the digits from left to right ESC returns to the previous digit from right to left Press ESC several times to return to the previous menus DOWN scrolls down the numerical scale from 9 to 0 UP scrolls up the numerical scale from 0 to 9 After entering the password press ENTER to access the information in this section Settings Set Time Set Cash Set RS485 Com Country Select New Password...

Page 139: ...ity bit None Even Odd Baud Rate It allows you to set the Baud Rate 2400 4800 9600 1920 0 34800 57600 115200 4 Country Select It allows you to modify the grid standard this option can be selected before the inverter is switched on within 24 hours while the inverter is operating Set Std allows you to set the required grid standard Residual Time indicates the time remaining until the Country Select f...

Page 140: ...ime E tot Total energy produced P Peak Peak power value Val Total production value calculated using the currency and con version coefficient set in the relevant section of the SETTINGS menu CO2 Amount of CO2 saved compared to fossil fuels 2 Partial This section of the menu displays the Partial statistics Time Partial operating time E par Partial energy produced Val Partial production value calcula...

Page 141: ...al Value of production over the last 30 days calculated using the currency and conversion coefficient set in the relevant section of the SETTINGS menu CO2 Amount of CO2 saved over the last 30 days 6 Last 365 days This section of the menu displays the statistics for the last 365 days E 365d Energy produced over the last 365 days Val Value of production over the last 365 days calculated using the cu...

Page 142: ...times to return to the previous menus DOWN scrolls down the numerical scale from 9 to 0 UP scrolls up the numerical scale from 0 to 9 After entering the password press ENTER to access the information in this section Settings Input Mode Service Remote ON OFF MPPT Scan Power Limit Autotest Vstart DOWN ENTER Password 0000 ENTER UP 1 DOWN UP DOWN UP DOWN UP DOWN UP DOWN UP DOWN UP 2 3 4 5 6 Reactive P...

Page 143: ...allows you to set the input configuration mode In particular Independent Independent configuration of the two input channels This configuration is set by default Parallel Parallel configuration of the input channels single input chan nel Other hardware settings must be set on the inverter to set this mode Refer to the paragraph Parallel channel configuration 3 Input UV Delay This section of the me...

Page 144: ...age value Set U Grid under voltage UV threshold restricted range Set U Grid under voltage UV threshold extended range Set F Grid over frequency OF threshold extended range Set F Grid over frequency OF threshold restricted range Set F Grid under frequency UF threshold restricted range Set F Grid under frequency UF threshold extended range Set Connect Set U Connect Max permissible voltage during che...

Page 145: ...lows you to set the parameters of the max imum power point tracking MPPT function This function is useful when there are areas of shade on the PV generator which may create several points of maximum power on the operating curve E D MPPT Scan Enables disables the scan for identifying the max imum power point of the system Scan Interval This section allows you to set the time between scans Remember ...

Page 146: ...ver or Under excited from 1 000 to 0 001 Cos phi f P Power rating as a function of the active power sup plied by the inverter To enable this mode select Enable and then OK using the UP DOWN arrows When it has been enabled Load std curve will appear on the display allowing you to set the following con trol curve Cos phi Over excited P Pn 1 0 9 0 85 0 95 0 95 0 85 0 9 0 20 3 0 4 0 6 Cos phi Under ex...

Page 147: ...arameters U U Disconnection from the distribution grid due to Under voltage OF Test parameters F and F Disconnection from the distribution grid due to Over frequency UF Test parameters F and F Disconnection from the distribution grid due to Under frequency Go to the SETTINGS Autotest menu U U F F U 10min U U F F ENTER Settings Autotest ENTER Password 0000 ENTER If one of the protections is disable...

Page 148: ...d protection tripping time Value of the grid parameter detected when the safeguard was tripped Parameter tested e g U Inverter serial number 123456 XXX 2 3 YYYY Y ZZZZZ Screen 3 of 3 Screen number Set protection tripping time Protection tripping value Parameter tested e g U Inverter serial number 123456 XXX 3 3 YYYY Y ZZZZZ The test results should be considered valid on the basis of the following ...

Page 149: ...04 W005 W006 W007 are present on the inverter The alarm returns to its resting position when the alarm signal ends i e be fore the inverter checks the grid parameters after the alarm state This is because grid control state is not an alarm state but a state of normal operation Alarms for which the relay is activated E001 E002 E003 E004 E005 E006 E007 E010 E011 E012 E013 E014 E015 E016 E017 E018 E0...

Page 150: ...019 W021 W022 W023 W024 W025 W027 W029 W030 W031 W037 W039 W040 W042 W043 W046 W047 W048 W051 W058 W059 For the configurable relay operating mode Alarm Conf the following considerations are valid If the alarm condition is persistent the alarm contact cyclically switches from its resting state to its activated state In the presence of W002 signalling Input UV input voltage below the limit of operat...

Page 151: ...ivated E001 E002 E003 E004 E005 E006 E007 E010 E011 E012 E013 E014 E015 E016 E017 E018 E019 E020 E021 E022 E023 E025 E026 E027 E028 E029 E030 E031 E032 E033 E034 E035 E036 E037 E046 E050 E051 E053 E054 E055 E056 E057 E058 E065 E066 E067 E068 E069 E070 E074 E077 E078 E080 E084 E086 E087 E088 E089 W002 W003 W004 W005 W006 W007 W009 W011 W015 W017 W018 W019 W021 W022 W023 W024 W027 W029 W030 W036 W03...

Page 152: ...t the relay will remain activated status switched Ext configurable alarm display text Al Conf Ext In this mode it is possible to configure the behaviour of the alarm relay according to an external error table which can be setup with the Aurora Manager LITE software In the table it is possible to select the alarms or warnings for which the alarm relay is activated status switched for each individua...

Page 153: ...n be accessed Info Part No Serial No Firmware DOWN ENTER UP 1 DOWN UP 2 3 1 Part No Displays the model code 2 Serial number Displays the serial number and week and year of manufacture of the equipment 3 Firmware Lets you view the revision of the firmware installed on the equipment ...

Page 154: ... numerical scale from 9 to 0 UP scrolls up the numerical scale from 0 to 9 After entering the password press ENTER to access the information in this section Settings Backlight Contrast Language DOWN ENTER Password 0000 ENTER UP 1 DOWN UP 2 3 1 Backlight This section of the menu allows you to set the backlighting display char acteristics Mode ON Light always on OFF Light always off AUTO Automatic b...

Page 155: ...ay buttons following the same procedure as always ENTER scrolls through the digits from left to right ESC returns to the previous digit from right to left Press ESC several times to return to the previous menus DOWN scrolls down the numerical scale from 9 to 0 UP scrolls up the numerical scale from 0 to 9 After entering the password press ENTER to access the information in this section 1 Restore A...

Page 156: ... Mode DOWN UP 4 1 Part No Allows you to view the part number of the wireless board 2 Serial number Allows you to view the serial number the week and year of manufacture of the wireless board 3 View IP Allows you to view the IP address assigned to the wireless board 4 View Mode Allows you to view the operating mode of the wireless board Access Point or Host ...

Page 157: ...is manual to know all the necessary steps to safely operate on the inverter For cleaning DO NOT use rags made of filamentary material or corrosive products that may corrode the equipment or generate electrostatic charges Avoid temporary repairs All repairs should be carried out using only genuine spare parts The maintenance technician is to promptly report any anomalies DO NOT allow the equipment ...

Page 158: ...of using and maintaining the equipment must be skilled for the described tasks and must reliably demonstrate their capacity to correctly interpret what is described in the manual For safety reasons the installation must be performed by qualified installers and or licensed electricians in accordance with the existing regulations in the country of installation and in accordance of all safety rules f...

Page 159: ...61482 1 2 in combination with protective overglove in leather EN420 EN388 Basic arc flash rated wearing with IEC Class 1 8 cal cm Arc flash rated head protection balaclava with IEC Class 1 8 cal cm Safety shoes Safety equipment and tools Thefollowingequipmentandtoolsarerequiredtoperformanyintervention on the inverter Disconnect tool for DC side PV connectors Voltage detector EN 61243 2 capable of ...

Page 160: ... 160 001004AG 8 Maintenance Inverter total de energization and safe access procedure ...

Page 161: ...ieslevelisenoughhigh don tusetheinstrument in case the message LOW BATTERY is present or replace them Perform test of the instrument using an energizedAC socket and a DC voltage source example battery in the service car with known voltage level in case the instrument is provided with a self test feature follow the instructions provided in the instrument manual to carry out the self test Check the ...

Page 162: ...rnal DC Switch Internal DC Switch Open the external AC disconnect switch or the main external AC disconnect switch blue in below picture outside the inverter IEC 60364 7 712 536 2 2 In case none of the LV AC switches are present the MV switch must be opened Affix designated lock preventing operation onto any external AC disconnect device affixing designated tags LOTO procedure Identification of th...

Page 163: ...vice PV Strings External DC Switch INVERTER 2 External LV AC Switch LV Distriubution Panel Internal DC Switch Open the external DC disconnect switch blue in below picture outside the inverter IEC 60364 7 712 536 2 2 Affix designated lock preventing operation onto any external DC disconnect device affixing designated tags LOTO procedure Identification of the external switch may require the cooperat...

Page 164: ...V Strings External DC Switch INVERTER 2 External LV AC Switch LV Distriubution Panel Internal DC Switch Internal DC Switch Affix designated lock preventing operation onto DC disconnect switch 16 affixing designated tags LOTO procedure Check on the status LEDs 06 the shutdown command has been carried out Missing DC voltage status All LEDs OFF The time needed for the complete shut down of the LEDs d...

Page 165: ...ng operations have been completed PV Strings External DC Switch INVERTER 1 Unit under service OPEN LOTO External LV AC Switch External Main LV AC Switch MW Switch LV MW Transformer OPEN LOTO OPEN LOTO PV Strings External DC Switch INVERTER 2 External LV AC Switch LV Distriubution Panel Internal DC Switch Internal DC Switch ...

Page 166: ...o collect the disconnected cables It is highly recommended to put labels on the cables in order to easily reconnect them to the correct connectors once completed the service activities 8 Discharge of the capacitor Wait the internal capacitors to be discharged The discharge time of the stored energy is indicated on the regulatory label 9 Open the cover Access to the inverter by removing the front c...

Page 167: ...connectors 12 between Each positive input and ground Each negative input and ground Positive input and negative input of each input section of the inverter DC INPUTS IN1 IN1 IN1 IN1 IN2 IN2 IN2 IN2 12 11 Voltage absence test on AC side Using the voltage detector check the absence of voltage on the AC terminal connectors lift the protective sheet to reach the connectors between Phase to ground Neut...

Page 168: ...t 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 C217 capacitor as shown in the picture below ...

Page 169: ...l AC switch Operations in External DC Switch If present OPERATIONS AT INVERTER LEVEL Operations on internal DC switches If present Remove the DC quick fit connectors from inverter Wait the discharge of the internal capacitor Open the cover and visually inspect the components VOLTAGE ABSENCE TEST Voltage absence check on DC side Voltage absence check on AC Side Voltage absence check on bulk capacit...

Page 170: ...y labels and symbols are visible Check the integrity of the cables connectors and cable glands outside the inverter Check that the environmental conditions have not changed dramatically from those on installation Check there are no obstacles animals insects leaves or anything which could reduce the heat exchanging capacity of the heat sink at the top at the bottom and between the fins Annual opera...

Page 171: ...xample with a public wireless network or a hotel Unfortunately the inverter cannot be connected to these types of wireless networks Connect the inverter to an alternative wi reless network The Inverter has not identified the wi reless network to which connection is required The wireless network to which the Inver ter is to be connected is set so as not to be identified hidden network The Inverter ...

Page 172: ...cted The IP Address used to access the Web user interface was lost Access the Web user interface using via AP Mode refer to dedicated section to know how to connect via AP Mode and read the current IP Address in NETWORK WLAN section Access the Web user interface 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 w...

Page 173: ... has been set contact customer assistance No code Missing Grid Alarm LED Missing Grid The inverter displays the Missing Grid message when it does not record output voltage AC side Check the grid voltage on the inverter s AC terminal block Should it be absent check any protection work on the line and the presence of grid voltage on the supply point No code Memory Fail Alarm LED flash Memory fail Th...

Page 174: ...nto Setup Setup AC side of the web user interface refer to dedicated sections of this manual for further informa tion If the voltage at the point of supply is much lower than that measured on the inverter it is necessary to adjust the line in verter contactor If the voltage and the grid frequency come back within the limits also when the inverter is connected to the grid contact customer assistanc...

Page 175: ... Check with a multimeter the state of the fuses positioned on the fuse boards If one or more fuses is open arrange to replace them and check that the input current on the string s does not exceed the rating of the fuses should parallel strings have been made outside the inverter If there are no damaged string fuses and the inverter contin ues to show the alarm message check whether the settings to...

Page 176: ...tate is connected to an installation phase in which the starts up and grid connection condi tions are not yet present Complete the commissioning phase of the inverter If the problem persists once the commissioning phase has been completed and the inverter has been switched off and back on again contact customer assistance E001 Input OC Alarm LED Input over current photovoltaic generator The alarm ...

Page 177: ...s been switched off and back on again contact customer assistance E013 Wrong Mode Alarm LED Incorrect configuration of inputs set in parallel rather than independent The alarm is generated solely when the inverter is con figured with parallel inputs In this particular configu ration the inverter checks the input voltage of each of the two channels and if the two voltages differ by more than 20Vdc ...

Page 178: ... Error inside the inverter and cannot be checked externally By its nature the alarm only occurs prior to connection to the grid If the problem persists once the inverter has been switched off and back on again contact customer assistance E021 Self Test Error 2 Alarm LED Failure of the test on the inverter s relay DC AC circuit Before connecting to the grid the inverter carries out in ternal tests ...

Page 179: ...nce the inverter has been switched off and back on again contact customer assistance E029 Mid Bulk OV Alarm LED Internal overvoltage on the measurement of the Mid bulk Error inside the inverter only triphase models Error inside the inverter and cannot be checked externally If the problem persists once the inverter has been switched off and back on again contact customer assistance E030 Error Meas ...

Page 180: ...d be tween the inverter and the AFDD board Error inside the inverter and cannot be checked externally If the problem persists once the inverter has been switched off and back on again contact customer assistance E055 AFDD wrong conf Alarm LED Arc Fault board parameter reading error Error in the parameter reading by the system Error inside the inverter and cannot be checked externally If the proble...

Page 181: ...nt check the integrity of the components or the presence of moisture or other abnormal conditions reconnect the AC grid and DC input and attempt to switch on the inverter if the problem persists contact customer assistance If the problem has occurred after installation or after an in verter maintenance phase therefore the cover has NOT been removed or the cable glands have NOT been acted upon dis ...

Page 182: ...k the limitation value set in the Settings Service Power OF Derating menu LIMxxx CODE 02 Power limitation for over voltage The message indicates that the user has set a power limitation due to overvoltage parameter U 10 min in order to reduce the maxi mum output power of the inverter when the reading of the average grid voltage exceeds certain limits The sampling of readings is done every 10 minut...

Page 183: ...to the operating range and for the inverter to cool down If the problem once the ambient temperature has returned within the range persists contact custom er assistance LIMxxx CODE 06 Power limitation for input over voltage The message indicates that a power limitation is active since an input overvoltage DC has been recorded LIM xxx Power reduction percentage Examples LIM 100 no power limitation ...

Page 184: ... must also have received suitable training on equipment of this type 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 Disconnect any cables from the inverter DC cables AC cables Any cables that may be connected to the UNO DM COM KIT UNO DM PLUS COM ETHERNET KIT Proceed to unlock the inverter ...

Page 185: ...og Statistic e g power production lost after system shoutdown The MEMORY board is installed on the logic board inside the inverter in the position shown in the picture below red highlighted Procedure to replace the MEMORY board 1 Follow all indication in the Inverter total de energization and safe access chapter on this manual to secure the inverter 2 Remove the MEMORY board to be replaced 3 Insta...

Page 186: ...d time settings ThebatteryisoftheCR2032typeandisinstalledonthelogicboardinside the inverter in the position shown in the picture below red highlighted Procedure to replace the buffer battery 1 Follow all indication in the Inverter total de energization and safe access chapter on this manual to secure the inverter 2 Using a flat screwdriver gently remove the buffer battery to be replaced 3 Install ...

Page 187: ... on the display by accessing the INFORMATION menu Serial No The production week consists of 4 figures indicating the week first 2 digits and the year of production last 2 digits Update Version This information is available only for some inverter models and can be found on the display by accessing the menu INFORMATION Firmware Stage 2 Registration on https registration abbsolarinverters com Go onli...

Page 188: ...e Username corresponding to the email used during registration and the Password obtained at the end of Stage 2 Access the section dedicated to requesting the second level password Choose the inverter model from the drop down list and insert Update Ver Serial Number and Week of Production of the inverter which were obtained previously Stage 1 ...

Page 189: ...correct the passwords will be shown in a new window and at the same time sent to the email address used for registration The second level password enables access to the service menu or to obtain the Admin Plus privileges which allows the inverter s sensitive parameters to be changed Proceed to changing the aforementioned parameters only when requested by the grid operator or by customer assistance...

Page 190: ...w grid standard You can check how much time remains before the Country Select button is blocked by accessing the menu SYSTEM SETTINGS Country Select Residual Time 1 Access the SYSTEM SETTINGS menu by entering the first level password default 0000 2 Access the Country Select submenu Reset Country entering the second level password to restore the 24 hours of operation in which it is possible to chan...

Page 191: ...voltage sufficient for the dimensions of the photovoltaic generator Behaviour of a system without leakage Due to the capacitive effect of the PV generator during the first moments that the voltmeter is connected between one of the two poles and ground it will measure a voltage of about Voc 2 which will tend to stabilize to around 0V if there is no ground leakage as shown in the graph below The int...

Page 192: ...e between positive pole and ground a voltage of 200V is measured This means that if the system is made up of 10 modules in series and each one supplies 50V the leakage can be located between the 4th and 5th PV module Va voltage measured between pole and 200V Vb voltage measured between pole and 300V In all measurements with the ground of the inverter is indicated V 200 V 300 V t 50 V 50 V 50 V 50 ...

Page 193: ...r If the measured isola tion resistance Riso is less than 500 MOhm the inverter may not con nect to the grid because of low isolation of the PV generator to ground MODELS I with isolation transformer If the measured isolation re sistance Riso with floating input poles compared to ground or QF 1 with grounding of one of the two inlet poles is lower than 0 2 MOhm the in verter will not connect to th...

Page 194: ... in the interior since the inverter is not seeing heat cycles each day Restarting after a long period of non use requires a thorough inspection of the inverter s interior exterior and wiring to the PV field and grid and removal of any dessicant In some cases oxidation and dust that has settled inside the equipment must be removed Disposal ABB CANNOT be held responsible for disposal of the equipmen...

Page 195: ...c changes on the Internet DNS required Out https 443 Tcp As an HTTP client the inverter uses SSL TLS protocol con nections to Aurora Vision servers for secure communica tion The inverter uses this port for all services including data transmission firmware upgrade configuration mana gement and remote command transmission required Out dhcp 67 dhcp 68 Udp If DHCP service is not available static netwo...

Page 196: ...ork configuration The inverter requires a valid network configuration in order to operate This information can either be provided by a DHCP server provided by the customers network the default or the inverter can be configured with static network information Regardless of how the inverter is confi gured the following information is required Configuration Purpose IP Address Allows the inverter to t...

Page 197: ... 197 000339AG Further information For more information on ABB solar products and services visit www abb com solarinverters ...

Page 198: ...Contact us www abb com solarinverters ...

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ABB UNO-DM-1.2-TL-PLUS, Manual

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