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EN 

762.885 Z05 2012 coolcept_fleX, coolcept³_fleX 

3.4 

Labels and symbols 

3.4.1  Safety marks 

The following safety marks are used on the inverter and in these instructions: 

Warning sign 

Nature of the danger 

 

Warning of hazardous voltage 

 

Warning of hazardous area 

 

Warning of hot surface 

 

Disposal information (separate collection of electrical and electronic 

equipment) 

 

3.4.2  Keywords 

The following keywords are used in these instructions: 

Keyword 

Meaning 

DANGER 

Indicates a hazardous situation which, if not avoided, leads to death or 

serious injuries. 

WARNING 

Indicates a potentially hazardous situation which, if not avoided, may 

lead to death or serious injuries. 

NOTE 

Indicates a potentially hazardous situation which, if not avoided, may 

lead to damage to property and/or the environment. 

Summary of Contents for Steca coolcept 3 fleX

Page 1: ...EN Z05 2012 762 885 coolcept fleX coolcept fleX Installation and operating instructions ...

Page 2: ... Through the use of solar energy you significantly help to protect the environment by reducing the pollution of the atmosphere by the emissions of carbon dioxide CO2 and other harmful gases All rights reserved including those for the translation No part of this manual may be repro duced in any form without our written consent nor processed by means of electronic sys tems ...

Page 3: ... Exemplary connection 11 4 4 Connections communication and DC AC 11 4 5 Connection cables 12 4 6 Display 12 4 7 Cooling 12 4 8 Grid monitoring 13 4 9 Data communication 13 4 9 1 COM1 and COM2 13 4 9 2 Modbus RTU data connecting cable 14 4 9 3 Alternative RS485 data connecting cable 14 4 9 4 LAN 14 4 10 Connection peculiarities 15 4 11 Data display 15 4 11 1 Data storage 15 5 Installation 16 5 1 Sa...

Page 4: ...ioning 27 7 3 Setting the feed in management 28 7 3 1 Connecting energy meter 28 7 3 2 Selecting an energy meter 28 7 3 3 Limiting the dynamic feed in value 28 7 4 Switching DC on 28 8 Operation 28 8 1 Operating buttons 28 8 2 Functions of the operating buttons 29 8 3 Menu structure 30 8 4 Navigating the menu structure 31 9 Faults 31 9 1 Event message type 32 10 Maintenance and care 32 11 Disposal...

Page 5: ...owing models of the three phase coolcept fleX inverters are available StecaGrid 3213 StecaGrid 5013 StecaGrid 4013 StecaGrid 6013 1 1 Accessories Ask for possible accessories options suitable PV generators and installation material at the installer s or at KATEK 1 2 Documents Data sheets drawings country tables and certificates are available in the download area of the Steca homepage 1 3 Liability...

Page 6: ...Protocol 3 Safety 3 1 Designated use The coolcept fleX inverters are intended for single phase and the coolcept fleX inverters for three phase feed in and are suitable for indoor and outdoor installation on a wall Only use the inverter for grid connected PV generators for PV generators whose connections are not grounded for solar modules with Class A rating in accordance with IEC 61730 because the...

Page 7: ...ted components may cause damage to the inverter If one of the following components is damaged immediately take the inverter out of op eration and disconnect it from the grid and the PV generators Inverter not functioning visible damage smoke penetration of liquid etc Cables PV generators Do not switch on the system again until it has been repaired and checked by a suitably qualified and authorised...

Page 8: ...sal information separate collection of electrical and electronic equipment 3 4 2 Keywords The following keywords are used in these instructions Keyword Meaning DANGER Indicates a hazardous situation which if not avoided leads to death or serious injuries WARNING Indicates a potentially hazardous situation which if not avoided may lead to death or serious injuries NOTE Indicates a potentially hazar...

Page 9: ...y Degree of protection Technical data of the DC input Item number and product name Disposal information separate collection of electrical and electronic equipment Request to disconnect the power sources prior to any intervention Note on presence of voltage after switching off the inverter Serial number barcode and plain text Warning of voltage two voltage sources Warning of hot surface Follow the ...

Page 10: ...e AC plug coolcept fleX 3 pin coolcept fleX 5 pin DC plug one pair Sealing cap 3 units Installation and operating instructions coolcept fleX 3011_2 3611_2 4611_2 and 5011_2 two pairs 4 2 Structure of the device Case Display monochrome 128 x 64 pixels Operating buttons for function refer to chapter 8 Connections ...

Page 11: ...rid 3011_2 3611_2 4611_2 5011_2 4 4 Connections communication and DC AC LAN RJ45 socket COM1 RJ45 socket COM2 RJ45 socket AC connection DC connection terminal DC input MPP tracker 2 DC connection terminal DC input MPP tracker 2 DC connection terminal DC input MPP tracker 1 DC connection terminal DC input MPP tracker 1 DC disconnector interrupts the plus and minus inputs simultaneously only in case...

Page 12: ... the alternative data connecting cable to contact 1 4 6 Display The display shows the menus of the inverter The backlight of the display is switched on by pressing any button The operating states of the inverter are shown as follows Display Meaning The inverter is processing large data volumes It is not possible to enter user data Backlight flashing red with event message Fault 4 7 Cooling The inv...

Page 13: ...n 3 Modbus RTU for the communication with e g an external en ergy meter 4 9 1 COM1 and COM2 The inverter can communicate with other device via the COM1 and COM2 connections Requirements for the communication Both ends of the data connection are terminated RJ45 standard cables or alternative data connecting cables are used as bus cables For further information on connecting further master devices a...

Page 14: ...ion and the pin assignment of the alternative RS485 data connecting cable refer to the document Tech nical Information in the download area on the Steca website 4 9 4 LAN Automatic start of the transmission of unencrypted data After establishing the network connection the inverter automatically starts data transmission to the server If automatic transmission is not wanted Remove network cable Or D...

Page 15: ...g data are shown on the display voltage and current generated by the PV generator power and current fed into the public grid current voltage and frequency of the public grid generated energy yields on a daily monthly and annual basis current error states and notes information on the version of the device 4 11 1 Data storage In the internal memory EEPROM event messages and energy yields are stored ...

Page 16: ...carry out any installation work Only connect the cables to the inverter when it is requested by the instruc tions Only connect SELV circuits to the RJ45 socket Maintain access to the shut down control free at all times Only have trained qualified personnel carry out the installation and com missioning NOTE Improper installation my cause performance reduction or damages on the in verter Ensure that...

Page 17: ...ses are present Observe all applicable installation regulations and standards national laws and connec tion values specified by the regional power supply company Observe the connection ratings specified on the type plate Do not connect the DC cables to ground potential The DC inputs and the AC output are nor galvanically isolated from each other 5 2 Mounting the inverter 1 Fasten the mounting plat...

Page 18: ...f an external residual current device RCD in the AC connection line a type A residual current device RCD is sufficient according to IEC 62109 1 The tripping current should be rated at least 100 mA or higher If several inverters are installed in a system a corresponding earth leakage circuit breaker RCD must be installed for each individual inverter 5 3 2 AC cables Suitable cables UL AWM Style 2109...

Page 19: ... AC cable Power loss with 10 m cable length Circuit breaker StecaGrid 3213 2 5 mm 4 W B16 4 0 mm 3 W StecaGrid 4013 2 5 mm 7 W B16 4 0 mm 4 W StecaGrid 5013 2 5 mm 11 W B16 4 0 mm 7 W StecaGrid 6013 2 5 mm 14 W B16 4 0 mm 8 W 5 3 3 Assembling the AC plug NOTE If the instructions of the plug manufacturer are not followed when connecting the AC plug the cable and the device may be damaged Protect pl...

Page 20: ...ction Double connection Ø 6 14 Ø 13 18 Ø 6 14 PE N L PE N L PE N L y 30 25 42 37 45 40 x 8 5 3 3 2 Preparing cable 5 pin cable Single connection Double connection Ø 6 10 10 14 Ø 13 18 Ø 6 10 10 14 PE N L PE N L PE N L Screw type connection y 30 25 55 50 45 40 x 8 Crimp connection y 42 37 49 44 x 7 0 1 ...

Page 21: ... AC plug inner part AC plug housing part PE conductor L conductor N conductor 100 V to 127 V grid voltage DANGER Voltage There is a risk of death by electrocution when connecting the phases L1 L2 or L3 to PE or N Follow the safety instructions and warning notices in chapter 5 1 The structure of 100 V to 127 V grid voltages differs from that of 220 V to 240 V grid volt ages as it is not a 1 phase b...

Page 22: ...ctors be tween L1 and L2 or L1 and L3 or L2 and L3 2 Connect PE cable to PE connection on the AC plug Voltage distribution in the 2 and 3 phase grid The voltage in 2 and 3 phase grids is the same in every outer conductor 100 V to 127 V 320 V to 480 V grid voltage Connect conductors N L1 L2 L3 and PE on the AC plug in 3 phase grid with 320 V to 480 V grid voltage The protective earth PE does not ha...

Page 23: ...ening torque for 5 pin plug 0 5 to 0 7 Nm Ensure that the clamping connection holds 4 Slide plug housing onto the plug and tighten until a click sound is heard 5 4 Preparing DC connection DANGER Voltage There is a risk of death by electrocution Follow the safety instructions and warning notices in chapter 5 1 Use the SUNCLIX plug connectors DC plugs included in the scope of de livery to ensure the...

Page 24: ... 2 Nm 5 5 Connecting inverter and switching AC on DANGER Voltage There is a risk of death by electrocution Follow the safety instructions and warning notices in chapter 5 1 DC and AC cables may interfere with data transmission Keep a distance of 200 mm between the data connecting cables RS485 Ethernet and the DC AC cables NOTE If sealing caps are missing moisture may get into the inverter Seal vac...

Page 25: ... a risk of death by electrocution Only have specialists carry out any work on the DC connection 6 1 Switching AC and DC off 1 Turn DC disconnector on the inverter to position 0 2 Switch the AC circuit breaker off 3 Disconnect DC connection 1 from inverter insert screwdriver into unlocking opening keep screwdriver inserted and pull plug out 4 Disconnect AC plug 2 from inverter slightly press in and...

Page 26: ...tacting part 6 3 Removing inverter from mounting plate 1 Press locking plate 3 towards the wall and hold it there 2 Push inverter upwards until the detent 2 can no longer snap in 3 Release the locking plate 4 Hold inverter by the edge 1 with both hands and lift it off upwards The locating pins 4 must separate from the retaining tabs of the mounting plate 5 Remove inverter from mounting plate 6 Uns...

Page 27: ...ensive description of the function of the operating buttons refer to chapter 8 7 2 Finishing the initial commissioning By selecting Finish in the checklist the successful completion of the initial commissioning is confirmed If any settings have not been processed completely the message Settings are incomplete appears In this case 1 Press SET The checklist is displayed again 2 Process the open item...

Page 28: ...d area on the Steca website 7 3 1 Connecting energy meter An energy meter can be connected to the inverter via the Modbus RTU interface COM2 refer to section 4 9 1 In the Mode menu item the Energy meter function can be switched on or off 7 3 2 Selecting an energy meter The inverter can only communicate with the programmed energy meters 7 3 3 Limiting the dynamic feed in value The feed in value cou...

Page 29: ...iggers a repetition of the command The repetition rate increases when pressing for a longer period Press briefly Moves the selection bar or the display content downwards Moves the selection bar 1 position to the right when setting numeric values Decreases the setting values by 1 step Browses in menu structure Press longer 1 second Triggers a repetition of the command The repetition rate increases ...

Page 30: ... coolcept _fleX 8 3 Menu structure Due to further technical development changes of the menu structure are possible after delivery of this document The current version of the menu structure is available in the download area of our homepage ...

Page 31: ...document Technical Information in the download area on the Steca website 9 Faults Event messages indicate faults and can be signalled by means of an acoustic alarm the integrated web server an Internet portal and the display in the inverter display In the event of a fault the display flashes red and an event message describes the cause of the fault In addition the malfunction can be signalled by a...

Page 32: ...portal refer to the document Technical Information in the download area on the Steca website 10 Maintenance and care DANGER Voltage There is a risk of death by electrocution Only clean device with a slightly moist cloth Any repair work may only be carried out by the manufacturer s customer service department Except for the care of its exterior the inverter is maintenance free Remove dust with comp...

Page 33: ...s 1 Max input current 13 A Max input power with max output active power 1540 W 2050 W 2560 W 3070 W 3770 W Max short circuit current 15 A Maximum inverter backfeed current to the PV array 0 A AC output side grid connection Output voltage 185 V to 276 V Nominal output voltage 230 V Max output current 12 A 12 A 14 A 14 A 16 A Max active power cosPhi 1 1500 W 2000 W 2500 W 3000 W 3680 W Maximum appar...

Page 34: ...rom 50 C Tamb 45 C Tamb Safety Isolation principle No galvanic isolation without transformer Grid monitoring Yes integrated Residual current monitoring Yes integrated the inverter cannot cause a DC residual current due to the design Protection class Protection class 2 RCD type A sufficient Operating conditions Area of application Indoors outdoors degree of soiling 3 Climate category i a w IEC 6072...

Page 35: ...efer to certificates download at the product page of homepage 12 2 StecaGrid 3011_2 3611_2 4611_2 and 5011_2 Inverter 1 phase StecaGrid 3011_2 StecaGrid 3611_2 StecaGrid 4611_2 StecaGrid 5011_2 Installation altitude Max 2000 m above sea level DC input side PV generator connection Max input voltage 750 V MPP voltage range 125 V to 600 V 150 V to 600 V 150 V to 600 V 150 V to 600 V Start input volta...

Page 36: ...he operating behaviour Max efficiency 97 00 97 00 97 40 97 40 European efficiency 96 30 96 30 96 90 96 80 MPP efficiency 99 7 static 99 dynamic Internal consumption 20 W Power derating at full power from 45 C Tamb 45 C Tamb 40 C Tamb 40 C Tamb Safety Isolation principle No galvanic isolation without transformer Grid monitoring Yes integrated Residual current monitoring Yes integrated the inverter ...

Page 37: ... RTU 1 x RJ45 socket connection to energy meter Integrated DC disconnector Yes conform to DIN VDE 0100 712 Cooling principle Temperature controlled fan variable speed internal dust protected Test certificate Refer to certificates download at the product page of homepage 12 3 StecaGrid 3213 4013 5013 and 6013 Inverter 3 phase StecaGrid 3213 StecaGrid 4013 StecaGrid 5013 StecaGrid 6013 Installation ...

Page 38: ...n 3 W Feed in phases Three phase Distortion factor cosPhi 1 1 Power factor 0 8 capacitive to 0 8 inductive Highest output fault current 0 0 A Highest overcurrent protection at the output 17 A 17 A 24 A 24 A Characterisation of the operating behaviour Max efficiency 98 00 European efficiency 97 00 98 00 98 00 98 00 MPP efficiency 99 7 static 99 dynamic Internal consumption 8 W Power derating at ful...

Page 39: ...tage category III AC II DC DC connection Phoenix Contact SUNCLIX 1 pair mating plugs included in the scope of delivery AC connection Wieland RST25i3 plug mating plug included in the scope of delivery Dimensions 399 x 657 x 222 mm Weight 12 0 kg Communication interfaces RS 485 1 x RJ45 socket connection to Meteocontrol WEB log or Solar Log Ethernet interface 1 x RJ45 Modbus RTU 1 x RJ45 socket conn...

Page 40: ...EN 40 762 885 Z05 2012 coolcept_fleX coolcept _fleX ...

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