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TripleLynx CNReference ManualThree-phase – 10, 12.5 and 15 kWMAKING MODERN LIVING POSSIBLESOLAR INVERTERS

2.2. List of SymbolsSymbol Explanatory noteItalics1) Indicates reference to a section of the present manual.2) Italics are also used to indicate an op

1) According to FprEN 50524.2) For fixed systems with semi-optimal conditions.3) At identical input voltages. At unequal input voltages, Vmppmin can b

12.4. Torque Specifications for InstallationIllustration 12.1: Overview of Inverter with Torque Indications, 1-3Illustration 12.2: Overview of Inverte

12.5. Auxiliary Interface SpecificationsParameter Parameter Details SpecificationSerial Communication RS485Common cable specificationCable jacket di

1) Max. number of inverters are 100. If GSM modem is used for portal upload, the amount of inverters in anetwork is limited to 50.2) For outdoor use,

RS485Terminate the RS485 communication bus at both ends.To terminate the RS485 bus:• Connect Bias L to RX/TX B• Connect Bias H to RX/TX AThe RS485 add

12.5.1. Network TopologyThe inverter has two Ethernet RJ45 connectors enabling the connection of several inverters in aline topology as an alternative

Danfoss Solar Inverters A/SUlsnaes 1DK-6300 GraastenDenmarkTel: +45 7488 1300Fax: +45 7488 1301E-mail: [email protected].

2.4. Software VersionAlways read the newest version of this manual. This manual is applicable for TripleLynx CN in-verter software 1.0 and onwards. To

3. Description of the Inverter3.1. VariantsThe TripleLynx CN inverter series comprises:TLX CNTLX CN+TLX CN ProTLX CN Pro+Common features of the Triple

3.2. Mechanical Overview of inverterIllustration 3.2: Mechanical Overview of Danfoss TripleLynx CN InverterItem numberPart Name Quantity1 Wall Plate 1

3.3. Description of the Inverter3.3.1. Functional OverviewThe TripleLynx CN series comprises transformerless, 3 phase inverters with a high performanc

3.3.2. Functional SafetyThe inverters in the TripleLynx CN range are designed according to the German FunctionalSafety VDE0126-1-1 (2006

Fail Safe (Red LED flashing)If the inverter detects an error in its circuits during the self-test (in connecting mode) or duringoperation, the inverte

2. Rate of change of frequency (ROCOF). The ROCOF values (positiveor negative) are compared to the trip settings and the inverterceases to e

the grid. The local limits U1 and U2 are listed in the inverter grid codes at thewww.danfoss.com/solar area, Approvals and Certification

Illustration 3.6: Derating TemperatureTripleLynx CN 8 kW TripleLynx CN 10 kW TripleLynx CN 12.5 kW TripleLynx CN 15 kWPV current, per input 12 A (+2 %

Contents1. Safety and Conformity5Important Safety Information 5Hazards of PV Systems 6PV Load Switch 6Conformity 72. Introduction8Introduction 8List o

TripleLynx CN inverter type No. of PVinputsOverall DC limit forthe inverterDefault DC powerlimit per PV inputDC power limit perPV inputTripleLynx CN 8

Illustration 3.7: Measured MPPT Efficiency for Two Different Ramp Profiles.3.3.6. EfficiencyThe efficiency has been measured with a Yokogawa WT 3000 p

Illustration 3.9: Efficiency TripleLynx CN 10 kWIllustration 3.10: Efficiency TripleLynx CN 12.5 kWIllustration 3.11: Efficiency TripleLynx CN 15 kW3.

TripleLynx CN 8 kW TripleLynx CN 10 kW TripleLynx CN 12.5 kW TripleLynx CN 15 kWTPPV/UPV 420 V 700 V 800 V 420 V 700 V 800 V 420 V 700 V 800 V 420 V 7

4. Change of Functional Safety Settings4.1. Functional Safety SettingsChange of functional safety settings requires approval from the DNO.The function

Procedure for authorised technician:1. Contact the service hotline to obtain a one-day level 2 password.2. Access and change the grid code setting via

5. Requirements for Connection5.1. Pre-installation GuidelinesThe aim of this section is to provide general information about the use of th

The selection of the mains circuit breaker rating depends on the wiring design (wire cross- sec-tional area), cable type, wiring method, ambient tempe

Illustration 5.2: TripleLynx CN 10 kW Cable Losses [%] versus Cable Length [m]Illustration 5.3: TripleLynx CN 12.5 kW Cable Losses [%] versus Cable Le

5.2.2. Grid ImpedanceThe grid impedance must correspond to the specifications to avoid unintended disconnectionfrom the grid or derating of

Simulation of PV 426. Installation and Start-up43Installation Dimensions and Patterns 43Mounting the Inverter 45Removing the Inverter 47Opening and Cl

5.3. Requirements for PV ConnectionMaximum Open Circuit VoltageThe maximum open circuit voltage from the PV strings must not exceed the absolute maxim

Illustration 5.6: MPP Area TripleLynx CN 8 kW.Above 800 V is reserved for derating.5. Requirements for Connection30 L00410582-01_02 5

Illustration 5.7: MPP Area TripleLynx CN 12.5 kW.Above 800 V is reserved for derating.5. Requirements for Connection L00410582-01_02 315

Illustration 5.8: MPP Area TripleLynx CN 10 kW and 15 kW.Above 800 V is reserved for derating.Reversed PolarityThe inverter is protected against rever

Remember to switch off the PV load switch before correcting polarity!PV to Earth ResistanceThe monitoring of the PV to earth resistance is implemented

Examples of PV SystemsExamples of different PV connections/systems are found below with the following explanatoryoverview table:Ex-ampleStringcapacity

Illustration 5.9: PV System Example 1Illustration 5.10: PV System Example 2Ex-ampleStringcapacity,orientationand inclinationConnection point BExternal

Illustration 5.11: PV System Example 3Illustration 5.12: PV System Example 4Ex-ampleStringcapacity,orientationand inclinationConnection point BExterna

Illustration 5.13: PV System Example 5Illustration 5.14: PV System Example 6Ex-ampleStringcapacity,orientationand inclinationConnection point BExterna

Illustration 5.15: PV System Example 7Illustration 5.16: PV System Example 8Ex-ampleStringcapacity,orientationand inclinationConnection point BExterna

Ethernet Communication 71Start-up and Check of Settings 71Master Mode 749. Web Server Quick Guide76Introduction 76Supported Characters 76Access and In

PV Cable Dimensions and LayoutAs a rule of thumb the power loss in the PV cables should not exceed 1 % of nominal value inorder to avoid losses. For a

Corresponding power for inverter typeSystem type Max KPV-AC:TripleLynxCN8 kWTripleLynxCN10 kWTripleLynxCN12.5 kWTripleLynxCN15 kWTracker systems 1.05

5.3.2. Thin FilmThe use of TripleLynx CN inverters with thin film modules has been approved by some manu-facturers. Declarations and approvals can be

Note: PELV protection is effective up to 2000 m above sea level only.Other factors like higher irradiation should also be taken into account. The heat

6. Installation and Start-up6.1. Installation Dimensions and PatternsAvoid constant stream of water.Avoid direct sunlight.Ensure adequate air flow.Ens

Illustration 6.1: Safe DistancesObserve these distances when installing one or more inverters. One row mounting is recom-mended. Contact th

6.2. Mounting the InverterFor safe handling of the inverter, two people must carry the unit, or a suitabletransport trolley must be used

Illustration 6.5: Place Inverter in MountingBracketPlace the lower part of the inverter againstthe mounting bracket.Illustration 6.6: Fast

6.3. Removing the InverterLoosen the locking screws on either side of the inverter.Removal is performed in the reverse order of mounting. With a firm

Illustration 6.8: Open the InverterPush the front cover upwards. When a slightresistance is felt, give the front cover a tapon the bottom to

Network Topology 104Contents4 L00410582-01_02

Illustration 6.10: Fasten Front Screws and En-sure Proper PE ConnectionThe two front screws are the PE connection to the front cover.

6.5. AC Grid ConnectionIllustration 6.11: AC Cable Wire StripLegend1 Blue cable - Neutral2 Yellow/green cable - EarthThe illustration shows the stripp

7. All wires must be properly fastened with the correct torque. See the section TechnicalData, Torque Specifications for Installation.8. Close the fro

When unmated the MC4 connectors are not IP54. The intrusion of moisture mayoccur in the following situations:1. The inverter runs in Master/Slave oper

7. Connection of Peripheral Units7.1. OverviewAuxiliary interfaces are provided via PELV circuits and are safe to touch duringnormal opera

Illustration 7.1: Auxiliary Connection AreaCommunication board (1-4)Cable glands (5)EMC clamps (6)7.2.Installation of Peripheral CablesTo ensure fulfi

1. M16: Other peripheral units (sensors, alarm outputs and RS485 peripheral which inter-face the terminal block).2. M25: For RS485 and Ethernet periph

• Thin shielded cable (cable shield is folded back over the jacket)• Thick shielded cable (> approx. 7 mm)• Unshielded cable (alarm output)4. Faste

Temperature sensor input FunctionAmbient temperature Readout via display or Web Server and/or communication(logging)PV module temperature Readout via

Illustration 7.9: Placement of GSM Modem and GSM Antenna1. Communication board2. GSM modem3. External mounting position for GSM antenna4. Internal GSM

1. Safety and Conformity1.1. Important Safety InformationAll persons installing and servicing inverters must be:• Trained and experienced in general s

The Windows™ based software program has a user-friendly interface that enables key parame-ters of a plant in to be viewed in graphic form. Transmiss

8. User Interface8.1. Integrated Display UnitNote: The display activates up to 10 seconds after power up.The integrated display on the inverter front

Three predefined security levels filter user access to menus and options.Security levels:• Level 0: End-user, no password is needed• Level 1: Installe

8.1.3. StatusMenu Structure - StatusDisplay Functions Description[0] Ambient Conditions Only applicable if sensors are connected [0] Irradiance: 1400W

Menu Structure - Status - ContinuedDisplay Functions Description[0] AC-grid [0] Present Values [0] Phase 1 [0] Voltage: 250 V Voltage on pha

Menu Structure - Status - ContinuedDisplay Functions Description[0] Inverter [0] Grid code: Read only. To change go to Setup menu [1] DC-bus volt

8.1.4. Production LogMenu Structure - Production LogDisplay Functions Description[0] Total production: Total production since installation of inverter

Menu Structure - Production Log - ContinuedDisplay Functions Description [0] Time stamps [0] Installed: 30-12-99 Date of first grid connection

8.1.5. SetupMenu Structure - SetupDisplay Functions Description[0] External Alarm Only applicable if external alarm is connected [0] Stop Alarm Stop

Menu Structure - Setup - ContinuedDisplay Functions Description[0] Environment* [0] CO2 emission factor: Value to be used for total CO2 saved calcula

Before installation:Check for damage to inverter and packaging. If in doubt, contact the supplier be-fore installing the inverter.Installation:For opt

8.2. Overview of Event LogThe event log menu found under Log displays the last event which has occurred.Latest eventExample: The latest event is of ty

8.3. Peripheral Units Setup8.3.1. Sensor SetupThis section describes the final step of configuring the sensor inputs using the display or theW

The alarm output can also be configured via the integrated Web Server. For details, refer to theWeb Server User Manual.8.3.3. Communication ChannelThi

Note: For the TLX CN Pro and TLX CN Pro+ inverters the first start-up and check of settings canalso be performed via the integrated Web Server. For fu

Illustration 8.6: Set DateSet date as prompted by the display. Press'OK' to select. Press ‘ ▲ ’ to scroll up throughthe numbers. Sele

Illustration 8.9: Confirm Grid Code SelectionConfirm the choice by selecting the grid codeagain and press 'OK’. The settings for thechosen

inverters in the network, enabling easy commissioning and data management of larger net-works. Replication can be performed once, prior to

9. Web Server Quick Guide9.1. IntroductionThese instructions describe the TLX CN Pro Web Server, which facilitates remote access to theinverter.The We

Illustration 9.1: Product Label7. At initial startup of the inverter, the inverter runs a setup wizard.9.3.2. Setup WizardStep 1 of 7: Master settingT

Illustration 9.3: Step 2 of 7: Display LanguageTo change the language setting later, refer to Setup, Setup Details.Step 3 of 7: Time and dateEnter• ti

1.4. ConformityFor approvals and certification information, go to the download area at• www.danfoss.com/solar, Approvals and Certifications• www.danfo

Illustration 9.5: Step 4 of 7: Installed PowerTo change the installed power, refer to Setup, Calibration, PV Array.Step 5 of 7: Grid codeSelect the gr

Note: If the initial and confirmation settings are different,• grid code selection is cancelled• the wizard recommences step 5If initial and confirmat

Illustration 9.8: Step 7 of 7: Inverter startupTo change the setup later, access the inverter via the integrated web interface or the display, atinver

• Click on the plant name to display the plant view.•Change the plant name at [Setup → Plant details].2. Group menu: Displays groups of inverters:• In

Illustration 9.10: Plant ViewItemUnit View DescriptionPlantandGroupInverterOverall plant sta-tus- x Red: Plant PR < 50 %, or:Any inverter in the

9.5. Additional InformationRefer to the Web Server User Manual to learn more about:• Inverter start-up and check of settings• Messaging• Graphs• Remot

10. Ancillary Services10.1. IntroductionAncillary services comprise inverter functionalities which aid transport of power on grids.Which ancillary ser

Note: Check local legal requirements before changing settings for ancillary services.10.2. Power Level AdjustmentThe inverter supports Power Level Adj

Illustration 10.2: Medium-Voltage Primary Frequency ControlThe increase in output power follows a time ramp T (time gradient). The frequency-power gra

• Constant reactive power Q• Constant power factor PFOffThe inverter will not use any internal setpoint for reactive power, but an extern

2. Introduction2.1. IntroductionThis manual describes planning, installation and operation of the full range of TripleLynx CNsolar invert

10.4.2. Managing Reactive Power Using TLX CN+The TLX CN+ inverter provides controlled reactive power by using an external setpoint source,i.e. a third

Nominal Plant AC powerThe nominal apparent power of the entire plant must be entered here in order for the masterinverter to make the correct scaling

With Relay input, the reference source is received via four discrete signals (K1-K4). This allowsfor 16 different combinations and each one can be c

1. To help prevent a complete voltage black-out and stabilise the voltage in the grid.2. To increase the energy delivered to the AC grid.The inverter

Parameters related to FRT)These parameters are set automatically upon selecting the grid code.Parameter DescriptionFRT upper threshold level Upper gri

11. Service and Repair11.1. TroubleshootingThis guide is intended to quickly diagnose and, if possible, remedy an error affecting theTri

GridGrid-related eventsID Display Description Action DNO Hotline PV1–6 The grid voltage is too low Check voltage and AC installation, ifthe voltage

InternalEvents caused by the inverterID Display Description Action DNO Hotline PV201–208 Too hightempera-ture / wait-ingThe internal temperature of th

11.2.2. Cleaning the HeatsinkClean the heatsink using pressurised air, a soft cloth or a brush.For correct operation and long service life, ensure fre

12. Technical Data12.1. Technical DataNomen-cla-ture 1)Parameter TripleLynx CN8 kWTripleLynx CN10 kWTripleLynx CN12.5 kWTripleLynx CN15 kW AC