MANUALUser Manual for Sunways Solar Inverters NT 2600, NT 4000 and NT 6000
Integration of the solar inverter into thePV systemDesign of the PV generatorThe technical data of the selected PVgenerator must be within the specifi
87ENStandard components of a PV systemDepending on the recommendations ofyour electrician, your PV system will con-sist of the following components:PC
Protection concept The following parameters are monitoredcontinuously and in parallel by the micro-controller and displayed on the screen:· AFI error
892.0 Information on installation
Electrical safetyBefore opening the cabinet, the solarinverter must be disconnected from thegrid and from the PV generator. The solar inverter continu
91ENInformation on cleaningBefore cleaning, disconnect the systemfrom the power grid by opening the gridbreaker (main fuse) and open the DCswitch on t
2.2 InstallationThe solar inverter must be installed by a trained, qualified electrician. A special tool isnecessary for installation. Please read thi
93ENIf installing the solar inverter in a switchbox, ensure adequate heat dissipation.The ambient temperature must not fallbelow or exceed –25°C or +4
Electrical connection and cable entryFor installation, please observe theinstructions in the "Setup" leaflet!94!If the solar inverter is fi
95ENGrid connectionThe grid connection of the solar invertermust have 5 wires (L1, L2, L3, PE, N). Cablecross-sections of 5 x 4 mm2 are recommen-ded.T
300 mm510 mm180 mm
96You must use adequately dimensionedcable cross-sections in order to avoid aconsiderable increase in the grid impedan-ce between the domestic distrib
97ENPV generator connection· PreparationExecute the DC cabling according to yourelectrician's system dimensioning. Checkeach PV string for correc
98Important information· The direct PV generator voltage is availa-ble internally after connecting the PV generator to the solar inverter via the DC
99EN· The DC voltage can be up to 750 V. The unit may only be opened by a qualified electrician!· Always disconnect the PV generator side first by o
100Communication connectionsVia the communication connections (inter-faces), operating data can be retrievedfrom the data memory with an externalcompu
101EN· ConnectionRemove the cover of the solar inverterbefore connecting an interface cable. Payheed to all safety hints (Pages 90 and 91).You will fi
102Connecting the sensors· Optional irradiation sensorThe optional addition of an irradiationsensor (type Si-01TC-T from Ing.-BüroMencke & Tegtmey
ENConfiguration of the cable terminal block: Temperature sensor measuring signal: Temp Solar radiation measuring signal: SolarPositive supply, 5V:
1042.3 CommissioningConnect the solar inverter internally viathe ground cable (yellow-green) to thecabinet cover. (See also Setup, step 7)Put the cabi
EN105in cloudy weather. This is normal, and doesnot affect either the yield or the mode offunctioning of the solar inverter.· Switching offDisconnect
ENList of Contents1.0 General information1.1 Safety information1.2 Sunways Solar Inverters NT 2600, NT 4000 and NT 60002.0 Information on installation
However, language setting, LCD contrastand total energy offset (only to be usedin the event of replacement) must be configured directly on the unit. I
107ENThis is the only exception for which workmay be performed on the open unit undervoltage!Remove the cabinet cover to carry out theconfiguration.Th
108SOLAR INVERTERADDRESSPERFORMANCEANDOPERATING DATADATE TIMEHOURSESCCURUP/DWN+–MINUTES+–SECONDS+–SAVEESCCURESCCURESCCURUP/DWNADDRESS1 ... 99+–DAY+–MO
109LANGUAGESOFTWARE VERSIONENG./GER.+–UP/DWNUP/DWNLCD CONTRASTCONTRAST+–UP/DWNUP/DWNTOTAL POWEROFFSETkWh+–UP/DWNUP/DWNINCREMENT (100 OR 1)ESCCUR+/–+/–
1103.0 Information on operation
3.1 Monitoring and diagnosisDisplayThe dot matrix LCD display is integratedinto the cabinet of the solar inverter sothat it is easily visible. The dis
Data memoryYour solar inverter is equipped with aninternal data memory as standard. Thisdata memory provides you with a detailedview of the mode of fu
113EN3.2 Sunways NT Monitor softwareGeneral informationThe Sunways NT Monitor visualisation soft-ware was developed for PV system monito-ring and con
114from ICP-Deutschland, (available from yourspecialist dealer), which will guarantee reliable data transfer.The addresses of the solar inverter must
115Individual PV system with maximum distance of 50 m between solar inverter and PCRS 485+RS 485+RS 485–RS 485–GND_GTXRXGND_GTX2RX2 Yellow GreenBrownC
2.3 Commissioning3.0 Information on operation3.1 Monitoring and diagnosis3.2 Sunways NT Monitor software3.3 Fault indications3.4 Fault diagnosis 3.5
(2) Individual PV system with modem for remote inquiryRS 485+RS 485+RS 485–RS 485–GND_GTXRXGND_GTX2RX2 GreenYellowBrownConnection to modem via RS 232W
(3) PV system for 2 to 99 solar inverters with interface converter (IC)Connection to PC via RS 485/RS 232In order to connect several solar inverters t
118The signal is looped through all units. Two«RS 485+» terminals and two «RS 485-» terminals are located on each terminalblock. This means that the s
119RS 485+RS 485+RS 485–RS 485–GND_GTXRXGND_GTX2RX2 RS 485+RS 485+RS 485–RS 485–Connection to modem via RS 485/RS 232In order to connect several solar
120123456789Configuring the interface cablesCable type AFemale connector to PC,9-poleSignal cables to the solar inverter on X400TXRXGND123456789Cable
Locating jumper JP400 in the SunwaysSolar InverterPlease check the correct position of jum-per JP400, depending on your selectedcommunication circuit.
Sunways NT Monitor data acquisition· Online valuesDC voltage (U_DC), AC voltage (U_AC), AC current (I_AC), date, time, AC power,module temperature, mo
123ENOperation of Sunways NT MonitorAfter installing the Sunways NT Monitorsoftware on your PC, you can start the program. The word «Sunways» will now
124You can call up «Daily values» and«Monthly values» in the same way, byclicking on the respective keys.Exit the window with the «Close» key. You wil
3.3 Fault indicationsYour solar inverter operates fully automati-cally and maintenance-free. However, ifoperational faults occur due to external orint
EN4.0 Appendix 4.1 Subject and abbreviation index4.2 Function and information indexDesignation and descriptionFunctional principle and explanationsBlo
Display for AFI error protection:· Overheating faultYour solar inverter is designed for anambient temperature of up to +40°C.When the maximum upper te
1273.4 Fault diagnosis Fault displayOvertemperatureUDCOvervoltageCausesThe maximum permissibleambient temperature of40°C has been exceeded.The necessa
128Fault displayUAC_1UAC_3 AC under/over-voltageCausesThe grid voltage is too lowor too high.The cable cross-section inthe AC feed line to the solarin
129Fault displayAFI Residual currentIncorrect time,date are stored in Sunways NTMonitor withincorrect timedata.CausesThe AFI error is displayed
3.5 Warranty terms and conditions· Warranty periodThe warranty period is five years frompurchase of the solar inverter by the enduser. Please complet
131EN· Exclusion of liabilityWarranty claims and liability are excludedfor direct or indirect damages due to:· Interventions, modifications or attemp
4.0 Appendix132
4.1 Subject and abbreviation index133ENDesignationACAFI, RCDDCEMVEBINDCIPkWLCDMPPDescriptionAlternating Current: grid currentOperator protection in t
134DesignationGrid impedancePNDCPNACPTPVPV generator switchUNDCDescriptionAC resistance of grid, impedanceDC and AC rated power: Power which the inver
135EN4.2 Function and information indexFunctional principle and explanationsThe electrical energy of the PV generator is buffered by a capacitive sto
821.0 General information
· Sensor interfaceAn irradiation sensor with integrated temperature sensor can be optionally con-nected to the relevant interface. Thisallows first ti
137ENcutoff threshold, which is dependent onthe performance class. The NT 2600 modelis switched off at an absolute residual cur-rent of 130 mA, the NT
DC-FILTERCAPACITIVE STORAGEBlock diagramHERIC®=≈DIFFERER. MEASUREMENTRTIRRADIATION SENSOR ANDTEMPERATURE SENSOR(OPT.)RS 232RS 485MICRO-CONTROLLERCONTR
CURRENT IMPRESSIONINDUCTORAC FILTER GRID PROTECTIONRESIDUAL CURRENTAFIDIFFERER. MEASUREMENTLCD-DISPLAY(2 LINES)KEYBOARDAND CESSINGAFIUACIACGRIDL1,L
140Technical dataSolar Inverter NT 2600Recommended PV generator powerRated input powerStand-by consumptionNight-time consumptionAC energy generated fr
141Solar Inverter NT 4000 Solar Inverter NT 60002000 bis 4125 W3400 W9 W< 0.005 W15 W400 V350 ≤ UMPP≤ 650 V750 V410 V340 V10 A8.5 A2 (with adapter:
142Grid voltage monitoringEarth fault protectionOutput characteristicGrid connection fuse layoutRequired number of grid connection phasesNumber of fee
143threephaseRCD (universally sensitive) current source 25 A31RS 232, RS 485irradiation, temperatureLCD, 2 x 16 charactersIP 5495 per centfree convect
TYCO SOLARLOK connectorsThe TYCO SOLARLOK connectors are only approved for connection to permanently laid cables!They must not be disconnected under l
Any type of soiling (dust, humidity etc.)will negatively affect the operation of thesystem over the desired period of use. This applies particularly f
General safety informationAll safety hints contained in this sectionand throughout the User Manual must be complied with at all times to guaranteethe
Declaration of Conformity as per EG Low Voltage Guidelines 73/23/EWG, attachment III BWe herewith declare that the following product including the req
147ENDeclaration of Conformity as defined by the EMC guideline 89/336/EWG with revisions 91/263/EWG and 93/68/EWG.We herewith declare that the followi
148Declaration of Conformity of nominal power and maximum output power of solar inverters.ProductManufacturerType SunwaysNominal power SNMaximum outpu
149ENDeclaration of Conformity as defined by the guidelines for connection and grid feeding in parallel of in-plant generation on low-voltage-guidelin
150General exclusion of liabilityAlthough the accuracy and completenessof the information contained in theseinstructions have been checked with theutm
Concept and design: Denklabor Kommunikationsbüro GmbH, Lucerne/Switzerland
Sunways AG Photovoltaic TechnologyMacairestraße 3 - 5 D-78467 Konstanz Telefon +49 7531 996770Fax +49 7531 99677444E-Mail [email protected] www.sunwa
Opening the unit Before opening the cabinet, the unit mustalways be disconnected from the grid andfrom the PV generator. The unit continues to conduct
85EN1.2 Sunways Solar Inverters NT 2600,NT 4000 and NT 6000Scope of supply· Sunways Solar Inverter in the NT series· Installation frame· Manual, set
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