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SUNNY MINI CENTRAL 4600A/5000A/6000A

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1. Object Description Screw terminals for wire bridge Screw terminals for connecting the cables Jumper slot Flat male tab for grounding the cable shield Silicone tube cable route gt Cable glands 42 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Electrical Connection Procedure 1 Open the inverter as described in section 7 2 Opening the Inverter page 55 2 Insert the cable into each inverter Use 1 of the 2 enclosure openings F on the right hand side DANGER Danger to life through high voltage if there is a fault with the SMA Power Balancer cable Sheath the positive and negative cable conductors in each inverter using the enclosed silicone tube the silicone tube to the required length The silicone tube must completely cover the cable inside the inverter enclosure Draw the cable along the cable route E as far as the terminal block Ground the cable shield in each inverter at the PE terminal 0 Sheath the positive and negative cable conductors in each inverter with bootlace ferrules O U o Connect the positive and negative pole to the corresponding screw terminals s
2. 7 In order to connect 3 inverters together connect positive and negative conductors from the 2 other inverters to the terminal block of the middle inverter Inverter 1 Inverter 2 Inverter 3 A B Twisted cable Twisted cable pe max 300 m max 300 m The cable length between 2 inverters may not exceed 300 m Installation Manual SMC46 60A IA IEN 120471 43 Electrical Connection 8 Only in the middle inverter the one with 2 wires for each terminal insert one of the provided jumpers into the lowest of the slots as depicted on the right Do not plug the jumpers in the bottom slot of the 2 other inverters or Bridge the A and B screw terminals on the middle inverter with a wire bridge Do not bridge the A and B screw terminals in the 2 other inverters Measure the resistance between the terminal block s positive and negative poles in the middle inverter IF the resistance is approximately 27 8 370 the SMA Power Balancer has been connected correctly Otherwise check the cabling SMA Solar Technology AG o 10 Close all inverters as described in section 7 3 Closing the Inverter page 58 i 44 Connection with a Sunny Mini Central 9000TL 10000TL or 11000TL In
3. The maximum open circuit voltage that can occur with 10 C cell temperature may not exceed the maximum input voltage AC Output Rated power at 230 V 50 Hz 6 000W Maximum apparent AC power 6 000 VA Rated grid voltage 230 V Nominal AC voltage 220 V 230 V 240 V AC voltage range 160 V 265 V Nominal AC current at 230 V 26A Nominal AC current at 240 V 25A Maximum output current 26 Total harmonic factor of the output current with lt 3 AC voltage lt 2 and AC power gt 50 of rated power Rated power frequency 50 Hz AC power frequency 50 Hz 60 Hz Operating range at AC power frequency 50 Hz 44 Hz 55 Hz Operating range at AC power frequency 60 Hz 54 Hz 65 Hz Displacement power factor adjustable 0 8 verexcited 0 Bunderexcited Power factor at nominal AC power Feed in phases Connection phases Overvoltage category according to IEC 60664 1 Applies to SMC 6000A 11 Applies to SMC 6000A SMC 6000A IT Installation Manual SMC46 60A A IEN 120471 81 Technical Data SMA Solar Technology AG Efficiency Maximum efficiency Nmax 96 1 European weighted efficiency ney 95 3 11 2 General Data Width x height x depth with 468 mm x 613 mm x 242 mm Electronic Solar Switch Weight 63 kg Length x width x height of packaging 396 mm x 803 mm x 596 mm Transport weight 68
4. PV Inverter SUNNY MINI CENTRAL 4600A 5000A 6000A Installation Manual SMC46 60AIAIEN120471 IMESMC50A_60A Version 7 1 SMA Solar Technology AG Table of Contents Table of Contents 1 1 1 1 2 1 3 1 4 2 2 1 2 2 2 3 2 3 1 2 3 2 3 1 3 2 4 1 4 2 4 3 5 1 5 1 1 5 1 2 5 2 5 2 1 5 2 2 5 2 3 Information on this Manual o o o ooooo 7 a ante RTT 7 Target Group eee even ee ee See ee bees 7 Additional Information scura Awe od bd dr 7 Symbols Used setesi sa aE 8 E 9 Intended 9 Safety 10 Explanation of Symbols 11 Symbols on ln ed to 11 Symbols on the Type Label rra pee thi 12 UNPAID EU UE o E ES S 13 Scope 13 Identifying the Inverter 14 Mount E AA ROS EROR 15 E an awe 15 Selecting the Mounting Location 15 Mounting the Inverter with the Wall Mounting Bracket 17 Electrical Connection 20 Overview of the Connection Area 20 O A ER ERSTE a tg 20 Interior Vi WAR O ARENIS eat d 21 Connection to the Power Distribu
5. 10 Secure the enclosure lid with all screws and the corresponding conical spring washers Tighten the screws with 6 Nm torque in the order shown in the figure on the right The toothing of the conical spring washers must point toward the enclosure lid The scope of delivery of the inverter includes another spare screw and conical spring washer DANGER Danger to life due to enclosure lid carrying voltage The grounding of the enclosure lid is ensured by the conical spring washers Attach the conical spring washers for all 6 screws with the toothing facing toward the enclosure lid DANGER Danger to life due to high voltages in the inverter Do not switch on the miniature circuit breaker until the PV array has also been connected and the inverter is securely closed The inverter is now connected to the power distribution grid AC 26 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Electrical Connection 5 2 3 Additional Grounding of the Enclosure IF the installation requires you can use the ground terminal to connect a second protective conductor or as equipotential bonding Procedure 1 Insert the stripped grounding cable D under the clamping bracket C max cross section 16 mm or with bootlace ferrule max 10 2 2 Screw the clamping bracket tight with screw A and conical spring washer The toothing of the conical spring washer
6. 10 4 Disposing of the Inverter Dispose of the inverter at the end of its service life in accordance with the current locally applicable disposal regulations for electronic waste Alternatively send it back to SMA Solar Technology AG with shipping paid by sender and labeled ZUR ENTSORGUNG for disposal contact see Page 86 76 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Technical Data 11 Technical Data 11 1 DC AC 11 1 1 Sunny Mini Central 4600A DC Input Maximum DC power at cos 1 5250W Maximum input voltage 600 V MPP voltage range 246 480 V Rated input voltage 246 V Minimum input voltage 211V Start input voltage 300 V Maximum input current 26A Maximum input current per string 26A Number of independent MPP inputs 1 Strings per MPP input 4 The maximum open circuit voltage that can occur with 10 C cell temperature may not exceed the maximum input voltage Installation Manual SMC46 60A IA IEN 120471 77 Technical Data SMA Solar Technology AG AC Output Rated power at 230 V 50 Hz 4 600 W Maximum apparent AC power 5 000 VA Rated grid voltage 230 V Nominal AC voltage 220 V 230 V 240 V AC voltage range 160 V 265 V Nominal AC current at 220 V 20 9 A Nominal AC current at 230 V 20 0 A Nominal AC current at 240 V 19 16 A Maximum output current 26A Total harmonic factor of the output cu
7. The fan cables are long enough that you can lift the fans far enough out to disconnect the internal plug in the inverter Remove the fan 9 Clean the fan with a soft brush a paint brush or a damp cloth NOTICE o b Damage to the fan through use of compressed air Do not use compressed air to clean the fan This can damage the fan 10 After cleaning reassemble everything in reverse order The fans are cleaned 11 Checkthe functioning of the fans as described in the following section SMC46 60A IA IEN 120471 61 Installation Manual Maintenance and Cleaning SMA Solar Technology AG 8 2 2 Checking the Fans You can check that the fans are working in 2 ways Set the Fan Test parameter to 1 in the installer mode using Sunny Data Control Sunny Explorer or Sunny WebBox or Plug the provided jumper into the system control board Setting Parameters Request the installer password SMA Service Line contact see 86 2 Set the Fan Test parameter to 1 in the installer mode 3 Check the fans air flow The inverter takes cooling air in from underneath and then blows it back out on the upper sides Listen for any unusual noise which could indicate incorrect installation or that the fans are faulty 4 After checking the fans set the Fan Test parameter back to O The test of the fans has been completed Plugging the Jumper The inverter recognizes the jumper on
8. gt Varistors 22 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Electrical Connection 5 2 Connection to the Power Distribution Grid AC 5 2 1 Conditions for the AC Connection e Connection requirements of the grid operator Always observe the connection requirements of your grid operator Cable Design Use Sunny Design version 2 0 or higher for the dimensioning of the conductor cross sectional areas see Sunny Design program at www SMA de en i Halving the cable losses If 3 inverters with symmetrical feed in are combined to form a three phase system the neutral conductor is not subjected to any load and the cable losses are halved Thus the maximum possible cable length is doubled Cable Requirements WwW V C Position Designation Value A External diameter 12 mm 25 mm B Conductor cross section 6 mm 16 mm C Length of insulation to be stripped off approx 16 mm Installation Manual SMC46 60A IA IEN 120471 23 Electrical Connection SMA Solar Technology AG Load Disconnection Unit You must install a separate miniature circuit breaker for each inverter in order to ensure that the inverter can be securely disconnected under load The maximum permissible fuse protection can be found in section 11 Technical Data page 77 Detailed information and examples for the rating of a miniature circuit breaker can be
9. 5 1 2 Interior View The following figure shows the various components and connection areas of the open inverter gt Installation Manual SMC46 60A A 1EN 12047 1 21 Electrical Connection SMA Solar Technology AG O o Description Connection area and slots for communication Display Jumper slot for the fan test LEDs for displaying the operating states Jumper slot for SMA Power Balancer Terminals for SMA Power Balancer Flat male tab for grounding the cable shield when connecting the SMA Power Balancer Additional terminal for grounding Terminals for AC cables Cable glands for the SMA Power Balancer Cable gland for AC cable Cable glands for communication Screwing device for shield connection terminal for communication cable DC connector Connection jack for Electronic Solar Switch ESS 0 2
10. Calibration value mE Reaction time Current power frequency ESE TN CASN FOLS Installation Manual SMC46 60A IA IEN 120471 53 Commissioning SMA Solar Technology AG Minimum Frequency In the last step the inverter tests the minim m frequency Autotest During the test sequence the frequency limit applied is Eee miso A FAH shown in the display of the inverter Fac nins 49 1 BHz The frequency limit is increased successively until the disconnection threshold is reached and the inverter disconnects from the power distribution grid Once the inverter has disconnected from the power distribution grid the display successively shows the following values one after the other e Disconnection value Calibration value Reaction time Current power frequency Once the inverter has carried out the 4 tests it switches to MPP Operation MPP mode The original calibration values are then reset and the inverter automatically connects to the power distribution grid If you would like to carry out the test again you must disconnect the inverter i e disconnect it on the AC and DC sides and then later recommission it You can then restart the self test as described in section 6 3 1 Starting the Self Test by Tapping page 50 The inverter starts again the test sequence as described in section 6 3 2 Completion of the Selftest page 51 54 SMC46 60A IA IEN 120471 Install
11. kg Climatic category according to IEC 60721 2 1 AKAH Operating temperature range 25 C 60 C Maximum permissible value for relative humidity 100 non condensing Maximum operating altitude above MSL 2 000 m Noise emission typical lt 42 dB A Power loss in night operation 0 25 W Topology LF transformer Cooling concept OptiCool Fan connection designed for safe disconnection in accordance with DIN EN 50178 1998 04 Electronics degree of protection according to IEC 60529 IP65 Protection class according to IEC 62103 11 3 Protective Devices DC reverse polarity protection short circuit diode Inputside disconnection device Electronic Solar Switch DC overvoltage protection thermally monitored varistors AC short circuit current capability current control Grid monitoring SMA Grid Guard 2 1 Maximum permissible fuse protection 40A Ground fault monitoring Insulation monitoring Rio gt 1 MQ Galvanic isolation available 82 SMC46 60A A IEN 120471 Installation Manual SMA Solar Technology AG Technical Data 11 4 National Standards National standard as E E 0101 2012 s 3 3 3 Ss Ss 8 8 8 81 8 2 9v 2 2 8 5 5 VDEO126 1 1 Y Y Y Y Y Y VDE AR N 4105 Y Y Y AS 47
12. 1 Commissioning Undervoltage Test After the overvoltage test the inverter performs the undervoltage test During the test sequence the current calibration value of the voltage limit applied is shown in the display of the inverter SMA Solar Technology AG mins iss Bo The voltage limit is increased successively until the disconnection threshold is reached and the inverter disconnects from the power distribution grid Once the inverter has disconnected from the power distribution grid the display successively shows the following values one after the other e Disconnection value Calibration value e Reaction time Current line voltage 52 SMC46 60AA IEN 120471 di solia nons BES SEU Tempo interusenmo Tensione di rete Nal eff Installation Manual SMA Solar Technology AG Commissioning Maximum Frequency In a third step the inverter tests the maximum frequency During the test sequence the frequency limit applied is shown in the display of the inverter utotezt aul is JHE Ln max The frequency limit is reduced successively until the disconnection threshold is reached and the inverter disconnects from the power distribution grid Once the inverter has disconnected from the power distribution grid the display successively shows the following values one after the other e Disconnection value
13. 2 N wo z z o o v v 2s 25 a a 5 8 92 5 5 5 5 i o E o 2 95 oue 85 85 Ow E O n Tole T 9 4 uror AREE e og 58 3 mm J 134 0 mm 134 0 mm v 583 mm gt pt gt 25 0 mm 25 0 mm Installation Manual SMC46 60A IA IEN 120471 17 Mounting SMA Solar Technology AG CAUTION N Risk of injury due to the heavy weight of the inverter The inverter weighs approx 63 kg e the wall mounting bracket with the corresponding mounting material depending on the surface side handles above and below or a steel rod maximum diameter of 30 mm for transport and mounting The rod must be pushed through the enclosure openings 2 Secure the wall mounting bracket to the wall using appropriate screws and washers 3 Hang the inverter onto the wall mounting bracket using the opening for this purpose in the rear of the enclosure 18 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Mounting 4 Screw the inverter onto the wall mounting bracket on both sides using the screws M6x8 provided Only tighten the screws hand tight 5 Check to ensure that the inverter is securely in place 6 Close the recessed grips with the fan guards provided To help you identify the sides the fan guards are marked rechts right and links left on th
14. 30 V 50 Hz 5 000 W Maximum apparent AC power 5 500 VA Rated grid voltage 230 V Nominal AC voltage 220 V 230 V 240 V AC voltage range 160 V 265 V Nominal AC current at 220 V 22 7 A Nominal AC current at 230 V 21 7A Nominal AC current at 240 V 20 8 A Maximum output current 26A Total harmonic factor of the output current with lt 3 AC voltage lt 2 and AC power gt 50 of rated power Rated power frequency 50 Hz AC power frequency 50 Hz 60 Hz Operating range at AC power frequency 50 Hz 44 Hz 55 Hz Operating range at AC power frequency 60 Hz 54 Hz 65 Hz Displacement power factor adjustable ceca 0 Bunderexciied Power factor at nominal AC power 1 Feed in phases 1 Connection phases 1 Overvoltage category according to IEC 60664 1 Applies to SMC 5000A 11 Applies to SMC 5000A SMC 5000A IT Efficiency Maximum efficiency Nmax 96 1 European weighted efficiency ney 95 3 80 SMC46 60A IA EN 120471 Installation Manual SMA Solar Technology AG 11 1 3 Sunny Mini Central 6000A DC Input Technical Data Maximum DC power at cos 1 6 300W Maximum input voltage 600 V MPP voltage range 246 480 V Rated input voltage 246 V Minimum input voltage 211V Start input voltage 300 V Maximum input current 26 Maximum input current per string 26 A Number of independent MPP inputs 1 Strings per MPP input 4
15. 77 Y A C10 11 Y Y Y PPDS o O O Y Y Y gt gt GBT19939 2005 O O Y Y Y VDEO126 1 1 O O 4 Y 4 UTE C15 712 1 C15 712 1 Y Y Y 7 EDF SEI req PPC Y Y Y SI 4777 O O Y Y Y DK5940 Y Y EN 50438 Y Y Y Y Y Y RD 1663 2000 O O Y Y Y e RD 661 2007 Y Y 7 IEC 61727 PEA Y Y z Y Y E G83 1 1 Y Y Y G59 2 5 5 E Y E EN 50438 Does not apply to all national standard deviations O In planning 11 5 Climatic Conditions According to IEC 60721 3 4 Installation Type C Class 4K4H Extended temperature range 25 60 Extended air humidity range 0 100 Extended air pressure range 79 5 kPa 106 kPa According to IEC 60721 3 4 Transport Type E Class 2K3 Temperature range 25 C 70 C Installation Manual SMC46 60A IA IEN 120471 83 Technical Data SMA Solar Technology AG 11 6 Features DC connection SUNCLIX DC connector AC connection screw terminal Display LC text display Bluetooth Wireless Technology optional RS485 galvanically isolated optional 11 7 Electronic Solar Switch ESS Electrical endurance in the event of a short circuit with a nominal current of 35 A min 50 switching processes Maximum switching current 35A Maximu
16. A Solar Technology AG Result Measure There is no conductive The respective varistor is defective and must be replaced connection Varistor failure is generally due to influences that affect all varistors similarly temperature age induced overvoltage SMA Solar Technology AG recommends that you replace both varistors The varistors are specially manufactured for use in the inverter and are not commercially available They must be ordered directly from SMA Solar Technology AG see section 12 Accessories page 85 replace the varistors proceed to step 3 NOTICE Destruction of the inverter due to overvoltage If varistors are missing the inverter is no longer protected against overvoltages Replacement varistors should be obtained as soon as possible not operate the inverter without varistors in PV plants with a high risk of overvoltages 3 Insert an insertion tool into the openings of the terminal contacts 1 This releases the terminals If you do not receive an insertion tool for operating the terminals with your replacement varistors contact SMA Solar Technology AG As an alternative the individual terminal contacts can be operated using a 3 5 mm wide screwdriver Remove the varistor 2 5 Insert the new varistor 3 The pole with the small loop crimp must be fitted to terminal A when replacing the varistor 6 Close the inverter as de
17. MA Czech com SMA France S A S www SMA France com SMA Hellas AE www SMA Hellas com SMA Ib rica Tecnolog a Solar S L www SMA lberica com SMA Italia S r l www SMA ltalia com SMA Technology Korea Co Ltd www SMA Korea com
18. PROM The data is not relevant for safe operation e This fault has no effect on the performance of the inverter EEPROM dBh EEPROM data is defective The inverter has switched itself off because the loss of data has disabled important functions of the inverter Corrective measures e Contact the SMA Service Line EeRestore One of the duplicate records in the EEPROM is defective and has been reconstructed without loss of data This error message only serves to inform you and has no effect on the performance of the inverter Fac Bfr The power frequency is no longer within the permissible range EGCSTIE Srr Fast is an internal message that has no meaning for the user The inverter disconnects itself from the power distribution grid for Fastest safety reasons Corrective measures Check the grid connection and contact the grid operator if necessary e If the power frequency is within the tolerable range but Fac Bfr Fac Srr or FacFast faults are still displayed contact the SMA Service Line K1 Close Error during relay test K1 Open Corrective measures Ifthis fault frequently occurs or occurs several times consecutively contact the SMA Service Line Imax Overcurrent on the AC side This message is displayed if the current in the AC grid is higher than specified Corrective measures e Check the plant design and grid conditions Installation Manual SMC46 60A A IEN 120471 67 Troubleshooting SMA
19. Solar Technology AG Message Description and corrective measure MSD Fac Internal measurement comparison fault or hardware defect Corrective measures Ifthis fault occurs frequently contact the SMA Service Line MSD Vac Internal measurement comparison fault or hardware defect Corrective measures Ifthis fault occurs frequently contact the SMA Service line MSD Timeout Internal measurement comparison fault or hardware defect Corrective measures Ifthis fault occurs frequently contact the SMA Service Line OFFSET The OFFSET operating state is a normal operating state that occurs prior to grid monitoring If OFFSET is displayed as an error there is a fault in the data logging Corrective measures Ifthis fault occurs frequently contact the SMA Service line PowerBalance The Sunny Mini Central is part of a three phase system with 2 further Sunny Mini Central inverters equipped with the SMA Power Balancer for preventing unbalanced loads The operating parameter PowerBalancer is set to PhaseGuard or FaultGuard Corrective measures For detailed descriptions of the operation modes PhaseGuard and FaultGuard refer to section 5 5 Connection of the SMA Power Balancer page 37 Riso The electrical insulation between the PV plant and ground is defective The resistance between the DC plus and or DC minus connection and ground is outside the defined limit r
20. This operating mode allows for the implementation of a three phase grid voltage monitoring If 1 of the 3 inverters indicates a line voltage fault and stops feeding in the other 2 inverters also disconnect from the power distribution grid automatically Grid voltage fault Grid disconnection Grid disconnection Output O VA D Output O VA e p Output O VA f 1 of the 3 inverters indicates a device fault and stops feeding in the other 2 inverters are not affected and continue to feed in at full power C Vy T Device fault No reaction No reaction A Output O VA A Output Promax Output Promax Installation Manual SMC46 60A IA IEN 120471 39 Electrical Connection SMA Solar Technology AG Off The SMA Power Balancer is deactivated default setting Inthe event of a device fault or line voltage fault at an inverter only this inverter is disconnected from the power distribution grid and the other two inverters continue to run at an undiminished power level ON aa Vy Vy YN Grid voltage fault No reaction No reaction A or device fault Output Pac a Output Output PowerGuard This setting can be selected if the entire PV plant only consists of three 3 Sunny Mini Central inverters and in the event of a malfunction the unbalanced load should be limited to 4 6 kVA over a 10 minute average e Deviating unbalanced load limit for I
21. ange Corrective measures e Check the insulation of the PV plant e the PV plant for ground faults as described in section 9 3 1 Checking the PV Array for Ground Faults page 71 ROM The inverter s firmware is faulty Corrective measures Ifthis fault occurs frequently contact the SMA Service line Trafo Temp F Temperatures in the transformer have exceeded the acceptable limit The inverter stops feeding the grid until the temperature lies within the acceptable range Corrective measures If this fault occurs frequently check the heat dissipation 68 SMC46 60A A IEN 120471 Installation Manual SMA Solar Technology AG Troubleshooting Message Description and corrective measure Trafo Temp W If the transformer reaches an inadmissibly high temperature the inverter stops feeding the grid until the transformer has reached an admissible temperature and the plant can begin feeding the grid again The Trafo Temp W warning is displayed until the device is completely disconnected Corrective measures e the heat dissipation of the inverter Shutdown Temporary inverter fault Corrective measures e Contact the SMA Service Line Vac Bfr The line voltage is no longer within the permissible range Bfr or Srr is an internal message of no relevance for the user This fault can be caused by any of the following conditions e Power distribution grid disconnec
22. as described in section 6 Commissioning page 48 or 64 SMC46 60AA IEN 120471 Installation Manual SMA Solar Technology AG 9 Troubleshooting Troubleshooting If the inverter displays other blink codes or error messages than those described below contact the SMA Service Line You will also find a description of display messages during operation status messages and measurement channels in the user manual provided Do not perform any repairs that are not described here and take advantage of the 24 hour replacement service inverter ready for shipping and handed over to a freightforwarding company within 24 hours and the SMA Solar Technology AG repair service instead 9 1 Blink Codes Green Red Yellow Status flashing flashing flashing OK startup phase is permanently lit is not lit is not lit OK feed in operation is permanently lit is not lit ground fault or varistor defective is permanently lit OK initialization is flashing quickly is not lit is not lit OK stop 3 x per second is permanently lit is not lit ground fault or varistor defective is flashing slowly is not lit is not lit OK waiting grid 1 x per second monitoring goes out briefly is permanently lit is not lit ground fault or varistor approx 1 x per defective second is not lit is not lit OK derating is not lit is not lit is not lit OK nighttime deactivation or Electronic Solar Swi
23. ation Manual SMA Solar Technology AG Opening and Closing 7 Opening and Closing 7 1 Safety DANGER A Risk of lethal electric shock Before opening the inverter observe the following e Ensure that no voltage is present on the AC side Ensure that neither voltage nor current is present on the DC side NOTICE o Electrostatic discharges can damage the inverter The internal component parts of the inverter can be irreparably damaged by electrostatic discharge Ground yourself before touching a component part 7 2 Opening the Inverter l Disconnect the miniature circuitbreaker and secure against reconnection 2 Pullthe Electronic Solar Switch downward slightly towards the wall 3 Use a current probe to ensure that no current is present in any of the DC cables If current is present check the installation Installation Manual SMCA6 60A4A EN 1 20471 55 Opening and Closing SMA Solar Technology AG 4 Unlock and disconnect all DC connectors To do this insert the screwdriver into one of the side slots blade width 3 5 mm and pull the DC connectors straight down Do not pull on the cable while doing this All DC connectors are disconnected from the inverter The inverter is entirely disconnected from the PV array DANGER Danger to life due to high voltages in the inverter The capacitors in the inverter require 5 minutes to discharg
24. between the negative pole of each string and the ground potential PE 4 Measure the voltages between the positive and negative poles of each string A ground fault exists if the measured voltages are stable and the sum of the voltages from the positive pole to the ground potential and from the negative pole to the ground potential of a string is approximately equal to the voltage between the positive and negative poles Installation Manual SMCA6 60A4A EN 1 20471 71 Troubleshooting SMA Solar Technology AG Result Measure M You have found a ground fault e installer of the PV array must remedy the ground fault in the affected string You can determine the location of the ground fault as described below Do not reconnect the faulty string Close the inverter and commission it as described in section 7 3 Closing the Inverter page 58 M You have found no ground fault It is likely that one of the thermally monitored varistors is defective e Check the varistors as described in section 9 3 2 Checking the Function of the Varistors page 73 Location of the Ground Fault The approximate position of the ground fault can be determined from the ratio of the measured voltages between the positive pole against ground potential PE and the negative pole against ground potential PE Example V 200 V 300 V pm A 100 V 100 V ni 100 Y 100 V 100 Y
25. cable gland at AC connection Clamping bracket for additional grounding 1 1 1 1 8 8 Sealing plugs for DC connectors 1 1 1 2 Conical spring washers 1 x for enclosure lid screws replacement 1 x for ground terminal L 2 Cheese head screws M6x16 1 x for enclosure lid replacement 1 x for ground terminal M 2 Jumpers 1 x for fan test 1 x for the SMA Power Balancer wiring N 2 Cheese head screws M6x8 for securing the inverter to the wall mounting bracket 1 Silicone tube for insulating SMA Power Balancer connection cable P 1 Installation Manual Q 1 User Manual Installation Manual SMC46 60A IA IEN 120471 13 Unpacking SMA Solar Technology AG Object Quantity Description R 1 Set of documents with explanations and certificates S 1 Supplementary sheet with inverter default settings 3 2 Identifying the Inverter You can identify the inverter using the type label The type label is on the right hand side of the enclosure The serial number Serial No and the type Type Model of the inverter as well as device specific characteristics are specified on the type label Installation Manual 14 SMC46 60A IA EN 120471 SMA Solar Technology AG Mounting 4 Mounting 4 1 Safety DANGER Danger to life due to fire or explosion Despite careful construction electrical devices can cause fires Do not mount
26. ction 8 SMC46 60AJA IEN 12047 1 Installation Manual SMA Solar Technology AG Safety 2 Safety 2 1 Intended Use The Sunny Mini Central is a PV inverter which converts the direct current of the PV array to alternating current and feeds it into the power distribution grid Operating Principle of a PV Plant with Sunny Mini Central Sunny Mini Central Distribution Public Grid The Sunny Mini Central may only be operated with PV arrays PV modules and cabling of protection class Do not connect any energy sources other than PV modules to the Sunny Mini Central When designing the PV plant ensure that the values comply with the permitted operating range of all components at all times The free design program Sunny Design www SMA de en SunnyDesign will assist you The manvfacturer of the PV modules must have approved the modules for use with this Sunny Mini Central You must also ensure that all measures recommended by the module manufacturer for long term maintenance of the module properties are taken see also Technical Information Module Technology in the download area of www SMA de en For safety reasons it is forbidden to modify the product or install component parts that are not explicitly recommended or distributed by SMA Solar Technology AG Installation Manual SMC46 60A IA IEN 120471 9 Safety SMA Solar Technology AG 2 2 Safety Precautions DANGER Danger to life due to high voltages in the inve
27. e e Wait 5 minutes before opening the inverter 5 Ensure that no voltage is present at the DC plugs on the inverter If voltage is present check the installation 56 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Opening and Closing 6 Loosen all 6 screws of the enclosure lid and remove the enclosure lid from the front 7 Verify the absence of voltage L with respect to N at the AC terminal with an appropriate measuring device If voltage is present check the installation 8 Verify the absence of voltage L with respect to PE at the AC terminal with an appropriate measuring device If voltage is present check the installation The inverter is open and no voltage is present Installation Manual SMC46 60AA IEN 120471 57 Opening and Closing SMA Solar Technology AG 7 3 Closing the Inverter 1 Secure the enclosure lid with the 6 screws and the corresponding conical spring washers Tighten the screws with 6 Nm torque in the order shown in the figure on the right The toothing of the conical spring washers must point toward the enclosure lid The scope of delivery of the inverter includes another spare screw and conical spring washer DANGER Danger to life due to enclosure lid carrying voltage The grounding of the enclosure lid is ensured by the conical spring washers A
28. e 2 In this case the ground fault is between the 2nd and 3rd PV modules M The ground fault check is now complete 72 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Troubleshooting 9 3 2 Checking the Function of the Varistors Varistors are wearing parts Their functional efficiency diminishes with age or following repeated responses as a result of overvoltages It is therefore possible that one of the thermally monitored varistors has lost its protective function and thus the red LED is lit r Position of varistors 1 You can determine the position of the varistors using the illustration below Observe the following assignment of the terminals Terminal A outer terminal varistor connection with loop crimp Terminal B middle terminal Terminal C outer terminal varistor connection without loop crimp Check the function of the varistors as described below Open the inverter as described in section 7 2 Opening the Inverter page 55 2 With the aid of a multimeter determine for both A varistors in the installed state whether a conductive connection exists between connectors B and C Result Measure M There is a conductive connection There is probably a different error in the inverter Contact the SMA Service Line see section 13 Contact page 86 Installation Manual SMC46 60A IA IEN 120471 73 Troubleshooting SM
29. e Startup Phase 49 Self4est in Accordance with DK 5940 Ed 2 2 Applies to Only reia 50 Starting the Self Test by 50 Completion of the 1 51 Opening and Closing 55 a 55 Opening the 55 Closing the veto ERA 58 Maintenance and 60 Cleaning the 1 60 Checking Heat 60 SMC46 60A A IEN 120471 Installation Manual SMA Solar Technology AG Table of Contents 8 2 1 8 2 2 8 2 3 8 3 9 9 1 9 2 9 3 9 3 1 9 3 2 10 10 1 10 2 10 3 10 4 11 11 1 11 1 1 11 1 2 11 1 3 11 2 11 3 11 4 11 5 11 6 11 7 11 8 11 9 Cleaning the a VR ue RO IR E 60 Checking E EAA 62 Gleaning the Fan Guards acces A 63 Checking the Electronic Solar Switch ESS for Wear 64 Troubleshooting c eek bx Re eR ORE E Ren 65 Blink Codes aa e Sar bo 65 Error Messages SA stude Op EAE 66 Red LED is Permanently Lit 70 Checking the PV Array for Ground 71 Checking the Function of the Varistors 73 DecommissiOnING sss RR Ea eee ee Rs 75 Disassemb
30. e inside The fan guards prevent dirt and insects from entering the device and if necessary can be reordered from SMA Solar Technology AG see section 13 Contact page 86 Optional anti theft protection e 1 To protect the inverter against theft the back panel can be secured to the wall at the bottom using 2 safety screws The other 2 holes are spares Installation Manual SMC46 60A IA IEN 120471 19 Electrical Connection SMA Solar Technology AG 5 Electrical Connection NOTICE E Electrostatic discharges can damage the inverter Internal component parts of the inverter can be irreparably damaged by static electric discharge Ground yourself before touching a component part 5 1 Overview of the Connection Area 5 1 1 Exterior View The following figure shows the assignment of the individual connection areas on the bottom of the inverter A is y Object Description A DC connectors for connecting the PV strings B Jack for connecting the Electronic Solar Switch ESS DC load disconnection unit C Cable glands for optional communication RS485 PG 16 D Cable gland for connection to the power distribution grid AC 12 mm 25 mm E Cable glands for SMA Power Balancer 20 SMC46 60AA IEN 120471 Installation Manual SMA Solar Technology AG Electrical Connec tion
31. ectors All PV module connection cables must be equipped with the included DC connectors before connecting them to the inverter To assemble the DC connectors proceed as follows Ensure the connectors have the correct polarity The DC connectors have the symbols and Cable requirements e Use a PV1 F cable Procedure 1 Lead the stripped cable all the way into the plug AR 2 Press the clamping bracket down until it audibly snaps into place 3 Ensure that the cable is correctly positioned Result Measure M Ifthe stranded wire is visible in the chamber Proceed to step 4 of the clamping bracket the cable is correctly positioned 30 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Electrical Connection Result M Ifthe stranded wire is not visible in the chamber the cable is not correctly positioned Measure e Loosen the clamping bracket To do so insert a 3 5 mm screwdriver into the clamping bracket and lever it out SE busy y Remove the cable and go back to step 1 4 Push the threaded joint up to the thread and screw into place with a torque of 2 Nm The DC connectors are assembled and now be connected to the inverter as described in section 5 4 4 Connecting the PV Array DC page 33 Installation Manual SMC46 60AA IEN 120471 31 Electrical Connection SMA Solar Technology AG 5 4 3 Ope
32. ee phase feed in system Each of the 3 Sunny Mini Central devices in a group must be connected to a different line conductor of the low voltage grid L1 L2 and L3 L1 12 L3 N By activating this electronic circuit you can stipulate how the other 2 Sunny Mini Central inverters are to react if there is a device fault with the 3rd Sunny Mini Central or there is a line voltage fault in its line conductor e Three phase grid connection For further information on this subject see the Technical Information Three phase connection with Sunny Mini Central in the download area at www SMA de en The connections for the SMA Power Balancer are galvanically isolated from the rest of the Sunny Mini Central electronic circuit 5 5 1 Configuration If the national standard VDE AR N4105 MP or VDE AR NA 105 HP is set the SMA Power Balancer is activated by default and set to operating mode PowerGuard in SMC 4600A 11 SMC 5000A 11 and SMC 6000 11 All other national standards deactivate SMA Power Balancer by default in SMC 4600A 11 SMC 5000A 1 1 and SMC 6000A 11 The SMA Power Balancer is always deactivated by default in SMC 4600A SMC 5000A SMC 5000A IT SMC 6000A and SMC 6000AT regardless of which national standard is set The SMA Power Balancer can only be activated or configured using a communication product To change the PowerBalancer parameter you need a personal access code the so called SMA Grid Guard Code The a
33. eration Do not expose the inverter to direct solar irradiation as this can cause excessive heating and thus power reduction In living areas do not mount the unit on plasterboard walls or similar to avoid audible vibrations When in use the inverter emits noises which may be perceived as a nuisance in a living area Observe the minimum clearances to walls other inverters or objects as shown in the diagram in order to ensure sufficient heat dissipation and sufficient space for removing the Electronic Solar Switch Multiple inverters installed in areas with high ambient temperatures There must be sufficient clearance between the individual inverters to ensure that the J cooling air of the adjacent inverter is not taken in If necessary increase the clearance spaces and make sure there is enough fresh air supply to ensure sufficient cooling of the inverters SMC46 60A A IEN 120471 Installation Manual SMA Solar Technology AG Mounting 4 3 Mounting the Inverter with the Wall Mounting Bracket 1 Mark the position of the drill holes using the wall mounting bracket and drill the holes Use at least 2 of the 6 holes with 1 hole on the right and 1 on the left 217 3 mm 217 3 mm gt gt gt 20 11 UN 5 86 8 mm 79 2 104 6mm 110 0 mm 873mm 1300mm 1300mm 873mm E E z o
34. found in the Technical Information Miniature Circuit Breaker in the SMA Solar Technology AG download area at www SMA de en DANGER Danger to life due to fire When more than 1 inverter is connected in parallel to the same miniature circuit breaker the protective function of the miniature circuit breaker is no longer guaranteed can result in a cable fire or destruction of the inverter Never connect several inverters to the same miniature circuitbreaker Observe the maximum permissible fuse protection of the inverter when selecting the miniature circuit breaker DANGER A Danger to life due to fire When a generator inverter and a load are connected to the same miniature circuit breaker the protective function of the miniature circuitbreaker is no longer guaranteed The current from the inverter and the power distribution grid can accumulate to overcurrent which is not detected by the miniature circuit breaker Never connect loads between the inverter and the miniature circuit breaker without fuse protection Always protect loads separately NOTICE Damage to the inverter by using screw type fuses as a load disconnection unit A screw type fuse e g DIAZED fuse or NEOZED fuse is not a switch disconnector and thus may not be used as a load disconnection unit A screw type fuse only acts as cable protection When disconnecting under load using a screw
35. ge is set 28 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG 5 4 Connecting the PV Array DC 5 4 1 Conditions for the DC Connection Using Y adapters for parallel connection of strings Y adapters may not be visible within close proximity of the inverter or freely accessible The DC electric circuit may not be interrupted by Y adapters Observe the procedure for disconnecting the inverter as described in section 7 2 Opening the Inverter page 55 Requirements for the PV modules of the connected strings Same type Same quantity Identical alignment Identical tilt connection cables of the PV modules must be equipped with connectors The DC connectors for the DC connection are included in the delivery e following limiting values at the DC input of the inverter must not be exceeded Maximum input voltage 600 V DC Maximum input current 26 0 A DC WARNING Risk of lethal electric shock or fire The maximum possible input current per string is limited by the connectors used If the connectors are overloaded an electric arc may occur and there is a risk of fire e Ensure that the input current for each string does not exceed the maximum through fault current of the connectors used Installation Manual SMC46 60A IA IEN 120471 Electrical Connection Electrical Connection SMA Solar Technology AG 5 4 2 Assembling the DC Conn
36. guards must be attached according to the inside inscription links left and rechts right NOTICE N Risk of damage to the inverter through intrusion of insects fan guards must not be removed permanently because otherwise the device is not protected against insects entering Installation Manual SMC46 60A IA IEN 120471 63 Maintenance and Cleaning SMA Solar Technology AG 8 3 Checking the Electronic Solar Switch ESS for Wear Check the Electronic Solar Switch for wear before plugging it in Depending on the shape of the Electronic Solar Switch you can estimate the wear on either the metal tongues shape A or on the plastic shape B Result The metal tongues in the Electronic Solar Switch are undamaged and not discolored A Measure 1 Securely attach the Electronic Solar Switch handle 2 Commission the inverter as described in section 6 Commissioning page 48 plastic in the Electronic Solar Switch shows thermal deformation or The plastic in the Electronic Solar Switch is undamaged The metal tongues in the Electronic Solar The Electronic Solar Switch can no longer reliably Switch have a brown discoloration or are disconnect the DC side burned through A 1 Replace the Electronic Solar Switch handle before attaching it again for the order number see section 12 Accessories page 85 2 Recommission the inverter
37. he country specific requirements Without such external decoupling protection the inverter will not disconnect from the power distribution grid when the standard requirement is exceeded Install external three phase decoupling protection Installation Manual SMCA6 60A4A EN 1 20471 47 Commissioning SMA Solar Technology AG 6 Commissioning 6 1 Commissioning the Inverter 1 Check the following requirements before commissioning The inverter is securely in place AC cables are correctly connected power distribution grid DC cables PV strings are completely connected Unused DC inputs are closed using the corresponding DC connectors and sealing plugs The enclosure lid is securely screwed in place The Electronic Solar Switch is securely plugged The miniature circuit breaker is correctly laid out 2 Switch on the miniature circuit breaker 3 LEDs are lit or flashing the startup phase is starting Green LED is lit commissioning was successful or Green LED flashes in case of insufficient irradiation grid connection conditions have not yet been reached Wait for sufficient irradiation or The red or yellow LED is lit or flashing there is a fault Proceed to step 3 A Green LED operation B Red LED ground fault or varistor 6 defective C Yellow LED Fault g Self test in accordance with DK 5940 Ed 2 2 during initial start up applies to Italy
38. ick audibly into position 7 Ensure that all DC connectors are securely in place Installation Manual SMC46 60A A 1EN 120471 35 Electrical Connection SMA Solar Technology AG 8 Check the Electronic Solar Switch for wear as described in section 8 3 Checking the Electronic Solar Switch ESS for Wear page 64 and attach it firmly NOTICE gt Manipulating the connector in the handle can damage the Electronic Solar Switch The connector inside the handle must remain movable in order to ensure proper contact Tightening the screw voids all warranty claims and creates a fire risk Do not tighten the connector screw in the Electronic Solar Switch handle NOTICE o X Electronic Solar Switch can be damaged If it is not correctly connected the Electronic Solar Switch can be damaged by high voltages Plug the handle firmly onto the jack of the Electronic Solar Switch Make sure that the device is securely in place The PV array is connected You can now commission the inverter as described in section 6 Commissioning page 48 The following connections are optional 36 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Electrical Connection 5 5 Connection of the SMA Power Balancer The Sunny Mini Central is equipped with the SMA Power Balancer as standard This enables a circuit connection of Sunny Mini Central inverters to a thr
39. is too high The inverter disconnects to assure compliance with the power quality of the power distribution grid Corrective measures Check the line voltage at the terminal of the inverter f due to the local grid conditions the line voltage is 253 V or more ask the grid operator whether the voltage at the feed in point can be adjusted or whether they would agree to an alteration of the limiting value of parameter ACVtgRPro for power quality monitoring e If the line voltage is continually within the tolerance range and this error message is still displayed contact the SMA Service Line Bfr Srr Internal measurement comparison fault or hardware defect Corrective measures Ifthis fault occurs frequently contact the SMA Service Line 66 SMC46 60AA IEN 120471 Installation Manua SMA Solar Technology AG Troubleshooting Message Description and corrective measure Derating The Derating operating state is a normal operating state which may occur occasionally and can have several causes Once the inverter enters the Derating operating state it will display the Derating warning until the next total disconnection of the device at the end of the day Corrective measures e Check the heat dissipation as described in section 8 2 Checking Heat Dissipation page 60 EEPROM Transition fault while data is being written or read from EE
40. istribution grid with the display message pictured on the right Both inverters subsequently switch to Balanced mode If the inverters react as described above the functionality test has been completed successfully Otherwise check the configuration If applicable reset PowerBalancer parameter to the desired setting in all inverters Switch on the miniature circuitbreaker again The functionality test has been completed Installation Manual E todau Mode Balanced SMC46 60AA IEN 120471 45 Electrical Connection SMA Solar Technology AG 5 6 Communication The inverter is equipped with a slot for communication interfaces in order to communicate with special data loggers e g Sunny WebBox or a PC with corresponding software e g Sunny Data Control or Sunny Explorer Refer to the respective communication interface manual for a detailed wiring diagram and an installation description for the interface The inverter s active power can be limited or its displacement power factor can be set externally using the Power Reducer Box from SMA Solar Technology AG Detailed information on the Power Reducer Box is available in its Technical Description at www SMA de en 5 7 Setting the Grid and Country Parameters Changing grid relevant and country parameters 1 change grid relevant parameters you need personal access code the so called SMA Grid Guard Code The applicati
41. l Radio retrofit kit radio Piggy Back for retrofitting an inverter for BEAMPB NR communication with Sunny Beam including antenna coaxial cable and PG cable gland metal Fan guard fan guard set right and left as spare part 45 7202 Power Balancer plug retrofit kit for retrofitting a Sunny Mini Central equipped with an SMA Power Balancer to the SMA Power Balancer plug in system PBL SMC 10 NR RS485 retrofit kit RS485 interface 485PB SMC NR SMA Power Balancer Y cable connecting cable 2 x 2 m for SMA Power Balancer plug in system PBL YCABLE 10 SUNCLIX DC connector field plug for conductor cross sectional areas 2 5 mm 6 mm SUNCLIX FC6 SET Installation Manual SMC46 60A IA IEN 120471 85 Contact SMA Solar Technology AG 13 Contact If you have technical problems concerning our products contact the SMA Service Line We need the following data in order to provide you with the necessary assistance Inverter type Inverter serial number Type and number of the PV modules connected Optional equipment e g communication products Blink code or display message of the inverter SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany www SMA de SMA Service Line Inverters 49 561 9522 1499 Communication 49 561 9522 2499 Fax 49 561 9522 4699 E Mail ServiceLine SMA de 86 SMC46 60AA IEN 120471 Installation Manual SMA Solar Technology AG Legal Restriction
42. lified person A Beware of hot surface The inverter can become hot during operation Avoid contact during operation Observe all documentation that accompanies the inverter The inverter must not be disposed of together with the household waste For more information on disposal see section 10 4 Disposing of the Inverter page 76 CE mark The inverter complies with the requirements of the applicable EC guidelines The inverter has a transformer Direct current DC Alternating current AC OM A Degree of protection IP65 The inverter is protected against dust intrusion and water jets from any angle GUTEZEICHEN Solar RAL quality mark for solar products The inverter complies with the requirements of the German Institute for Quality Assurance and Labeling 12 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Unpacking 3 Unpacking 3 1 Scope of Delivery Check the delivery for completeness and any visible external damage Contact your specialty retailer if anything is damaged or missing D m es a G H I K L Object Quantity Description Sunny Mini Central Fan guards right left Wall mounting bracket DC load disconnection unit Electronic Solar Switch ESS DC connectors 4 x positive 4 x negative Cable gland for AC connection Counter nut for
43. ling the Inverter 75 Packing the 1 76 76 Disposing of the 76 Technical Data 77 DEA c E 77 Sunny Mini Central 46004 77 Sunny Mini Central 5000A eee 79 Sunny Mini Central 60004 2 see 81 General 82 Protective DOCS se rtt S RR 82 National Standards 83 Climatic 83 Features esc ae vs Ute ca cotes 84 Electronic Solar Switch ESS 84 OTS A t wl ans Sota poets 84 Distribution Systems 84 Installation Manual SMC46 60A IA IEN 120471 5 Table of Contents SMA Solar Technology AG 12 5 85 13 Contacta tito 6 SMC46 60A A IEN 120471 Installation Manual SMA Solar Technology AG Information on this Manual 1 Information on this Manual 1 1 Validity This installation manual describes the assembly installation commissioning maintenance and troubleshooting of the following SMA inverters e Sunny Mini Central 4600A SMC 4600A SMC 4600A 1 1 e Sunny Mini Central 5000A SMC 5000A SMC 5000A 11 SMC 5000A IT e Sunny Mi
44. ly after the system has been restarted i e all LEDs must have gone out before a restart 1 2 3 62 Open inverter as described in section 7 2 Opening the Inverter 55 Plug the provided jumper in the slot on the system control board as shown below suc 2000 E AT Close the inverter as described in section 7 3 Closing the Inverter page 58 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Maintenance and Cleaning 4 Check the fans air flow The inverter takes cooling air in from underneath and then blows it back out on the upper sides Listen for any unusual noise which could indicate incorrect installation or that the fans are faulty 5 After checking the fans remove the jumper Open and close the inverter as described in section 7 Opening and Closing page 55 The test of the fans has been completed 8 2 3 Cleaning the Fan Guards The inverter takes cooling air in from underneath via the fans and blows it out again through the fan guards on the upper sides Clean the fan guards if they are dirty Procedure 1 Remove the fan guards Insert your finger above in the space between the fan guard and the enclosure and remove the fan guard to the side 2 Clean the fan guards with a soft brush a paint brush or compressed oir 3 Reattach the fan guards to the inverter The fan
45. m switching voltage 800 V Maximum PV power 12kw Degree of protection when plugged IP65 Degree of protection when unplugged 1P21 11 8 Torque Enclosure lid screws 6 0 Nm Additional ground terminal 6 0 Nm Cheese head screw for attaching the enclosure to 6 0 Nm the wall mounting bracket SUNCLIX lock nut 2 0 Nm Screw terminal AC connection 2 5 Nm RS485 communication connection 1 5 Nm 11 9 Distribution Systems IT system suitable TN C system suitable TN S system suitable TN C S system suitable TT system suitable Split Phase suitable 84 SMC46 60AI AEN 12047 1 Installation Manual SMA Solar Technology AG 12 Accessories Accessories You will find the corresponding accessories and spare parts for your product in the following overview If required you can order these from SMA Solar Technology AG or your specialty retailer Designation Brief description SMA order number Bluetooth retrofit kit Bluetooth communication interface BTPBINV NR Insertion tool for the insertion tool for varistors SB TVWZ replacement of varistors Electronic Solar Switch ESS handle spare part ESS HANDLE 04 Also enter the inverter s serial number Negative grounding set retrofit kit for the negative connection to ground ESHV N NR of the DC input Positive grounding set retrofit kit for the positive connection to ground of ESHV P NR the DC input Replacement varistors of thermally monitored varistors 2 incl SB TV4 insertion too
46. must face toward the clamping bracket The inverter s enclosure is additionally grounded Installation Manual SMC46 60A IA IEN 120471 27 Electrical Connection SMA Solar Technology AG 5 3 Setting the Display Language You can set the language of the display using the switches at the bottom of the display assembly inside the inverter When selecting the display language different switching settings apply to inverters that are set to the Italian national standard DK 5940 You can see the standard to which the inverter was set upon delivery on the type label and the supplementary sheet provided with the default settings For more information see the Technical Description Operating Parameters at www SMA de en Procedure 1 Open the inverter as described in section 7 2 Opening the Inverter page 55 2 Set the switches to the required language as shown below The following switch settings except for DK 5940 Ca apply to all national standards Language Switch S2 Switch S1 German B B English B A French A B Spanish A A The following switch settings apply to inverters that are set to the Italian national standard DK 5940 Language Switch S2 Switch S1 lladion BJA English A A German B B French A B 3 Close the inverter as described in section 7 3 Closing the Inverter page 58 M The display langua
47. ni Central 6000A SMC 6000A SMC 6000A 11 SMC 6000A IT Keep this manual in a convenient place for future reference 1 2 Target Group This manual is for electrically qualified persons The tasks described in this manual may be performed by electrically qualified persons only 1 3 Additional Information You will find further information on special topics such as designing a miniature circuit breaker or the description of the operating parameters in the download area at www SMA de en Refer to the user manual provided for detailed information on operating the inverter Installation Manual SMCA6 60A A EN 120471 7 Information on this Manual SMA Solar Technology AG 1 4 Symbols Used The following types of safety precautions and general information are used in this manual T DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury io NOTICE indicates a situation that can result in property damage if not avoided s Information 1 Information provides tips that are valuable for the optimal installation and operation of your product This symbol indicates the result of an a
48. ning the DC Connector 1 Unscrew the screw connection 2 Unlocking the DC connector Insert a 3 5 mm screwdriver into the snap slot on the side and lever it out Wi 3 Carefully pull the DC connector apart 4 Loosen the clamping bracket To do so insert a 3 5 mm screwdriver into the clamping bracket and lever it out 5 Remove the cable The cable is now removed from the DC connector 32 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Electrical Connection 5 4 4 Connecting the PV Array DC ES Danger to life due to high voltages in the inverter Before connecting the PV array ensure that the miniature circuitbreaker is switched off o Excessive voltages can destroy the measuring device Only use measuring devices with a DC input voltage range up to at least 1 000 V l Disconnect the miniature circuitbreaker and secure against reconnection 2 the Electronic Solar Switch downward slightly towards the wall 3 Check the connection cable of the PV modules for correct polarity and make sure that the maximum input voltage of the inverter is not exceeded At an ambient temperature above 10 C the open circuit voltage of the PV modules must not be more than 90 of the maximum inverter input voltage Otherwise check the plant design and the PV module connection If this is not done the maximum in
49. ogy AG Commissioning 6 3 2 Completion of the Self test Note the values which are displayed during the self test These values must be entered into a test report The test results of the individual tests are displayed 3 times one after the other The respective display message is displayed for 10 seconds The self test changes the upper and lower disconnection thresholds for each protective function a linear basis with a modification of 0 05 Hz s and 0 05 Vn s for the frequency and voltage monitoring As soon as the actual measured value is outside the permitted range altered disconnection threshold the inverter disconnects itself from the power distribution grid In this way the inverter determines the reaction time and checks itself Overvoltage Test The inverter begins with the overvoltage test During the a ant Butotezt test sequence the voltage limit applied is shown in the display of the inverter 2562 ZA Un The voltage limit is reduced successively until the disconnection threshold is reached and the inverter disconnects from the power distribution grid Once the inverter has disconnected from the power distribution grid the display successively shows the following values one after the other i i 7 Disconnection value Usiore di soglia nons zu Calibration value Reaction time Current line voltage Installation Manual SMC46 60A IA IEN 120471 5
50. oltages in the event of outage of the power distribution grid If you set the inverter to stand alone grid operation it does not fulfill any country specific standards and guidelines If there is a power distribution grid outage there is consequently a danger of feedback Never operate the inverter directly on the power distribution grid when set to stand alone grid operation 5 7 3 1 Additional Country Parameters Requirement for the setting Set the installation country as described in section 5 7 1 Setting the Installation Country page 46 before setting the country parameter described here The deactivation criteria voltage frequency impedance are specified via country parameters as with all Sunny Mini Central inverters The additional default country parameter MVtgDirective expands the deactivation limits of the inverter for voltage and frequency to a maximum minimum This country setting may only be selected if the PV plant or the inverter is operated with external three phase decoupling protection which will automatically disconnect the inverter from the power distribution grid if non permissible voltage and frequency values occur Device protection is still guaranteed DANGER Risk of lethal electric shock if external decoupling protection is missing At country setting MVtgDirective the inverter may only be operated with an external three phase decoupling protection device which complies with t
51. on form for the personal access code is available in the download area at www SMA de en in the Certificate category of the respective inverter Ensure that you discuss the changes to these parameters with your grid operator A detailed description of the operating parameters for the inverter is available in the download area at www SMA de en in the category Technical Description of the respective inverter 5 7 1 Setting the Installation Country Using the Default parameter you can set the installation country and or the grid connection standard valid for the country via a communication product e g Sunny WebBox or a PC with corresponding software e g Sunny Data Control or Sunny Explorer This however is only required if the inverter was originally ordered for another country You can see the standard to which the inverter was set upon delivery on the type label and on the included supplementary sheet with the default settings 46 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Electrical Connection 5 7 2 Setting Stand alone Grid Operation To operate the inverter in a stand alone grid system with Sunny Island you must set the Default parameter to stand alone grid OFF Grid operation You have several possibilities to set the inverter to stand alone grid operation Setting via Sunny WebBox or Setting via Sunny Data Control or Sunny Explorer DANGER Danger to life due to high v
52. only mie The Italian DK 5940 standard requires that an inverter must only be connected to the power distribution grid if the disconnection times for overvoltage undervoltage minimum frequency and maximum frequency have been checked Start the self test as described in section 6 3 Selftest in Accordance with DK 5940 Ed 2 2 Applies to Italy Only page 50 The test takes approx 8 minutes 3 Read section 9 Troubleshooting page 65 and if necessary eliminate the error or fault 48 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Commissioning 6 2 Display Messages During the Startup Phase e After commissioning the inverter displays the device type in the startup phase i Sunma Hini Central llocs e After 5 seconds or when you tap again on the enclosure lid the firmware version of the internal processors is displayed by the inverter EFE Laerzion Manx SER Werzion Hamm e After a further 5 seconds or when you tap again the configured country standard is displayed by the inverter example VDE AR N4 105 MP UpE BER HA18S WHP Showing the display messages again valid as of firmware version 2 15 e 1 If you want to view the display messages of the startup phase again while in normal operation tap the enclosure lid twice in quick succession Installation Manual SMC46 60A IA IEN 120471 49 Commissioning SMA Solar Technology AG 6 3 Self test in Accordance
53. order to be able to connect the SMA Power Balancer with a Sunny Mini Central 9000TL 10000TL 1100011 the Sunny Mini Central 4600A 5000A or 6000A must be equipped with a special plug 3 inverters are then connected together with a special connection cable You can order the plug and the connection cable from SMA Solar Technology AG or your specialty retailer Section 12 Accessories page 85 contains a list of the order numbers SMC46 60AA IEN 120471 Installation Manual SMA Solar Technology AG 5 5 3 Testing the Functioning Electrical Connection To test whether the SMA Power Balancer operates correctly proceed as follows 1 2 a Select the PhaseGvard setting of the PowerBalancer parameter for all 3 inverters Check whether all inverters in the group are feeding the power distribution grid normally If the green LED lights up steadily or if the display message pictured on the right appears proceed to step 3 or If all inverters in this group show the display message pictured on the right Check the installation of the SMA Power Balancer and contact the SMA Service line if necessary Switch off the miniature circuit breaker for 1 of the 3 inverters The inverter with a deactivated miniature circuit breaker then indicates a line voltage fault with the display message pictured on the right Bfr and Srr are irrelevant The other 2 inverters then also disconnect themselves from the power d
54. planation Operation display Indicates the operating state of the inverter Ground fault or varistor defective Read section 9 3 Red LED is Permanently Lit page 70 Error or fault Read section 9 Troubleshooting page 65 i You can operate the display by tapping the enclosure lid A e Tapping once the backlight switches on or the display scrolls to the next display message e Tapping twice in quick succession The inverter shows the display messages from the startup phase again see section 6 2 Display Messages During the Startup Phase page 49 DC load disconnection unit Electronic Solar Switch ESS When the Electronic Solar Switch is plugged in the DC electric circuit is closed To interrupt the DC electric circuit and safely disconnect the inverter when under load you must first remove the Electronic Solar Switch and then all DC connectors for SMA bonus program You will find information on the SMA bonus program at www SMA Bonus com This function is valid from firmware version 2 15 QR Code is a registered trademark of DENSO WAVE INCORPORATED Installation Manual SMC46 60A IA IEN 120471 11 Safety SMA Solar Technology AG 2 3 2 Symbols on the Type Label Symbol Explanation Beware of hazardous voltage The inverter operates at high voltages All work on the inverter may only be carried out by an electrically qua
55. pplication form for the personal access code is available in the download area at www SMA de en in the Certificate category of the respective inverter The configuration options are described below Installation Manual SMC46 60A IA IEN 120471 37 SMA Solar Technology AG Electrical Connection Configuration Options There are 4 different configuration options for the PowerBalancer parameter Local connection requirements 1 Select the respective setting and always observe the local connection requirements and provisions of your grid operator FaultGuard This operating mode allows for the implementation of a three phase line voltage monitoring which also reacts to device faults If 1 of the 3 inverters indicates a line voltage fault and stops feeding in the other 2 inverters also disconnect from the power distribution grid immediately LS lt gt Sy Grid voltage fault Grid disconnection Grid disconnection Output O VA Output O VA Output O VA If 1 of the 3 inverters indicates a device fault and stops feeding in the other 2 inverters also disconnect from the power distribution grid 5 minutes later eO KY dL FEN SEI M Device fault Grid disconnection Grid disconnection Output O VA 3 after 5 min J E after 5 min Output OVA _ Output OVA 5 38 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Electrical Connection PhaseGuard
56. rrent with lt 3 AC voltage lt 2 and AC power gt 50 of rated power Rated power frequency 50 Hz AC power frequency 50 Hz 60 Hz Operating range at AC power frequency 50 Hz 44 Hz 55 Hz Operating range at AC power frequency 60 Hz 54 Hz 65 Hz Displacement power factor adjustable O 8 overexcited 0 Bunderexcited Power factor at nominal AC power 1 Feed in phases 1 Connection phases 1 Overvoltage category according to IEC 60664 1 4 600 VA with VDE AR N 4105 Applies to SMC 4600A 11 Applies to SMC 4600A Efficiency Maximum efficiency nmax 96 1 European weighted efficiency ney 95 3 78 SMC46 60A A IEN 120471 Installation Manual SMA Solar Technology AG 11 1 2 Sunny Mini Central 5000A Technical Data DC Input Maximum DC power at cos 1 5750W Maximum input voltage 600 V MPP voltage range 246 480 V Rated input voltage 246 V Minimum input voltage 211V Start input voltage 300 V Maximum input current 26 Maximum input current per string 26 A Number of independent MPP inputs 1 Strings per MPP input 4 The maximum open circuit voltage that can occur with 10 cell temperature may not exceed the maximum input voltage Installation Manual SMC46 60A A IEN 120471 79 Technical Data SMA Solar Technology AG AC Output Rated power at 2
57. rter All work on the inverter may only be carried out by an electrically qualified person CAUTION N Risk of burns due to hot enclosure parts Do not touch the enclosure during operation Only touch the enclosure lid during operation NOTICE o Dust and water intrusion can damage the inverter the Electronic Solar Switch has been pulled out the inverter only provides degree of protection IP21 The inverter is then no longer protected against water and dust intrusion In order to also maintain degree of protection IP65 during temporary decommissioning proceed as follows e Unlock and disconnect all DC connectors Open all DC connectors and remove the cables Close all DC inputs with the corresponding DC connectors and the supplied sealing plugs Firmly connect the Electronic Solar Switch again PV array grounding 1 Comply with the local regulations for grounding the PV modules and PV array In order to maintain the best possible protection for both the PV plant and human life SMA Solar Technology AG recommends connecting together the PV array frame and other electrically conductive surfaces and grounding them 10 SMC46 60AJA IEN 12047 1 Installation Manual SMA Solar Technology AG Safety 2 3 Explanation of Symbols This section gives an explanation of all the symbols found on the inverter and on the type label 2 3 1 Symbols on the Inverter Symbol Ex
58. s The information contained in this document is the property of SMA Solar Technology AG Publishing its content either partially or in full requires the written permission of SMA Solar Technology AG Any internal company copying of the document for the purposes of evaluating the product or its correct implementation is allowed and does not require permission SMA Factory Warranty The current guarantee conditions come enclosed with your device These are also available online at www SMA de and can be downloaded or are available on paper from the usual sales channels if required Trademarks All trademarks are recognized even if these are not marked separately Missing designations do not mean that a product or brand is not a registered trademark The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG Inc and any use of such marks by SMA Solar Technology AG is under license SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de E Mail info SMA de O 2004 to 2012 SMA Solar Technology AG All rights reserved Installation Manual SMCA6 60A A EN 120471 87 SMA Solar Technology SMA Solar Technology AG www SMA de SMA America LLC www SMA America com SMA Technology Australia Pty Ltd www SMA Australia com au SMA Benelux SPRL www SMA Benelux com SMA Beijing Commercial Co Ltd www SMA China com SMA Czech Republic s r o www S
59. scribed in section 7 3 Closing the Inverter page 58 M check and replacement of the varistors is completed 74 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Decommissioning 10 Decommissioning 10 1 Disassembling the Inverter 1 Open the inverter as described in section 7 2 Opening the Inverter page 55 2 Remove all cables from the inverter Close the inverter with the 6 screws and the corresponding conical spring washers 4 Remove the fan guards from both sides 5 Remove 2 screws on the left and right side of the inverter that attach it to the wall bracket 6 Disconnect the anti theft protection if applicable Installation Manual SMC46 60A IA IEN 120471 75 Decommissioning SMA Solar Technology AG 7 Remove the inverter upwards from the wall mounting bracket 8 Use the side handles above and below or a steel rod maximum diameter 30 mm to transport the inverter The rod must be pushed through the enclosure openings The inverter is disassembled 10 2 Packing the Inverter If possible always pack the inverter in its original packaging If it is no longer available you can also use an equivalent carton The carton must be completely closeable have a handle system and be made to support both the weight and size of the inverter 10 3 Storing the Inverter Store the inverter in a dry place where ambient temperatures are always between 25 C and 60 C
60. t the inverter again and contact the SMA Service Line see section 13 Contact page 86 Watchdog Internal program run fault Watchdog Srr Corrective measures Ifthis fault occurs frequently contact the SMA Service line 9 3 Red LED is Permanently Lit IF the red status display LED is permanently lit during operation there is a ground fault in the PV array or at least one of the varistors for overvoltage protection is defective Procedure 1 Check for ground faults in the PV array as described in section 9 3 1 Checking the PV Array for Ground Faults page 71 2 If the red LED continues to be lit check the varistors as described in section 9 3 2 Checking the Function of the Varistors page 73 70 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Troubleshooting 9 3 1 Checking the PV Array for Ground Faults l Disconnect the inverter from both the DC and AC sides as described in section 7 2 Opening the Inverter page 55 DANGER A Risk of lethal electric shock Only touch the cables of the PV array on their insulation Do not connect strings with ground faults to the inverter NOTICE Excessive voltages can destroy the measuring device Only use measuring devices with a DC input voltage range up to at least 1 000 V 2 Measure the voltages between the positive pole of each string and the ground potential PE B 3 Measurethe voltages
61. taly The unbalanced load for inverters set to the Italian national standard DK 5940 is limited to 6 kVA over a 10 minute average If 1 of the 3 inverters indicates a line voltage fault or device fault and stops feeding in the other 2 inverters automatically limit their power to 4 6 kVA over a 10 minute average V Grid voltage fault Output limitation Output limitation SA or device fault A Output 4 6 Output 46kVA Output O VA 40 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Electrical Connection 5 5 2 Cabling Cable Requirements For cabling the SMA Power Balancer use a LiYCY cable structured as shown here Indoor LiYCY 2 x 2 x 0 25 Outdoor Li2YCYv 2x 2 x 0 25 Position Designation A Flexible insulation B Shielding Twisted pair 2 2 0 25 mm Twisted pair 1 2 0 25 mm Installation Manual SMC46 60A IA IEN 120471 41 SMA Solar Technology AG Electrical Connection Overview of the Connection Area CF LS E Um 12 QO Ed OY OOOO00000U Q 7 55
62. tch not connected is lit flashing fault is permanently lit is not lit ground fault or varistor defective is lit flashing ground fault or varistor defective and fault Installation Manual SMC46 60A IA IEN 120471 65 Troubleshooting SMA Solar Technology AG 9 2 Error Messages When a fault occurs the inverter generates a message which depends on the operating mode and the type of the fault detected Message IPV Overvoltage IDISCONNECT DC Description and corrective measure Overvoltage at DC input Overvoltage can destroy the inverter Corrective measures Disconnect the inverter from the power distribution grid immediately 1 Disconnect the miniature circuit breaker 2 Remove the Electronic Solar Switch 3 Remove all DC connectors 4 Check the DC voltage Ifthe DC voltage is above the maximum input voltage check the PV plant design or contact the PV array installer Ifthe DC voltage is below the maximum input voltage reconnect the inverter to the PV array as described in section 5 4 4 Connecting the PV Array DC page 33 If the message occurs again disconnect the inverter again and contact the SMA Service Line see section 13 Contact 86 ACVtgRPro The 10 minute average line voltage is no longer within the permissible range This can be caused by either of the following e line voltage at the terminal is too high The grid impedance at the terminal
63. ted miniature circuit breaker fuse e AC cable is broken cable is highly resistive The inverter disconnects itself from the power distribution grid for safety reasons Corrective measures e Check the line voltage and connection on the inverter e If the line voltage lies outside the acceptable range because of local grid conditions ask the grid operator if the voltages can be adjusted at the feed in point or if they agree to changes in the values of the monitored operating limits operating parameters Vac Min and Vac Max line voltage lies within the tolerance range yet Vac Bfr or Vac Srr faults are still displayed contact the SMA Service Line Installation Manual SMC46 60A IA IEN 120471 69 Troubleshooting SMA Solar Technology AG Message Description and corrective measure UpvMax Overvoltage at DC input The inverter may be damaged Corrective measures Disconnect the inverter from the power distribution grid immediately 1 Disconnect the miniature circuit breaker 2 Remove the Electronic Solar Switch 3 Remove all DC connectors 4 Checkthe DC voltage Ifthe DC voltage is above the maximum input voltage check the PV plant design or contact the PV array installer Ifthe DC voltage is below the maximum input voltage reconnect the inverter to the PV array as described in section 5 4 4 Connecting the PV Array DC page 33 If the message occurs again disconnec
64. the inverter on flammable construction materials Do not mount the inverter in areas where highly flammable materials are stored Do not mount the inverter in a potentially explosive atmosphere CAUTION Risk of burns due to hot enclosure parts Mount the inverter in such way that it cannot be touched inadvertently CAUTION N Risk of injury due to the heavy weight of the inverter Take the inverter s weight of approx 63 kg into account for mounting 4 2 Selecting the Mounting Location Consider the following requirements when selecting the mounting location e mounting method and location must be suitable for the inverter s weight and dimensions see section 11 Technical Data page 77 Mount on a solid surface mounting location must at all times be clear and safely accessible without the use of additional aids such as scaffolding or lifting platforms Non ulfillment of these criteria may restrict servicing max 45 Installation Manual SMCA6 60A4A EN 1 20471 15 Mounting SMA Solar Technology AG i Mount vertically or tilted backwards by max 45 The connection area must point downward Never mount the device with a forward tilt Never install the device with a sideways tilt Do not mount horizontally Mount at eye level to allow operating states to be read at all times The ambient temperature should be below 40 C to ensure optimum op
65. tion Installation Manual SMC46 60A IA IEN 120471 59 Maintenance and Cleaning SMA Solar Technology AG 8 Maintenance and Cleaning 8 1 Cleaning the Inverter If the inverter is dirty and the visibility of the operating data and operating states of the inverter is only limited clean the enclosure lid the display and the LEDs with a damp cloth Do not use any corrosive substances e g solvents or abrasives for cleaning 8 2 Checking Heat Dissipation 8 2 1 Cleaning the Fans If the fan guards are soiled with loose dust they can be cleaned using a vacuum cleaner If you do not achieve satisfactory results with a vacuum cleaner dismantle the fans for cleaning Procedure l Disconnect the inverter from both the DC and AC sides as described in section 7 2 Opening the Inverter page 55 2 Wait for the fans to stop rotating Cleaning the Fan Guards 3 Removing the fan guards Press both latches on the right edge of the fan guard to the right using a screwdriver and loosen from the retainer Carefully remove the fan guard 4 Clean the fan guards with a soft brush a paint brush a cloth or compressed air 60 SMC46 60A A IEN 120471 Installation Manual Maintenance and Cleaning SMA Solar Technology AG Cleaning the Fans 5 Press the front latches backward and the rear latch forward gt NA 6 Remove the fan by pulling it slowly and carefully downward 7 Unlock and remove the plug
66. tion Grid AC 23 Conditions for AC Connection 23 Connecting the Inverter to the Power Distribution Grid AC 25 Additional Grounding of the Enclosure 27 Installation Manual SMC46 60A A IEN 120471 3 Table of Contents SMA Solar Technology AG 5 3 5 4 5 4 1 5 4 2 5 4 3 5 4 4 5 5 5 5 1 5 5 2 5 5 3 5 6 5 7 5 7 1 5 7 2 5 7 3 6 1 6 2 6 3 6 3 1 6 3 2 7 1 7 2 7 3 8 1 8 2 Setting the Display 28 Connecting the PV Array 29 Conditions for DC Connection 29 Assembling the DC Connectors eee eee eee eee 30 Opening the DC Connector 0 eens 32 Connecting the PV Array DC e e 33 Connection of the SMA Power Balancer 97 Configuration x1 a tne a 37 oL Aat heo s ad t an edes a ete 41 Testing the Functioning isis 45 ComfmRICdlopis s ss tara f oe era 46 Setting the Grid and Country 46 Setting the Installation 46 Setting Stand alone Grid 47 Additional Country Parameters eee 47 Commissioning 2534730 da 48 Commissioning the 48 Display Messages During th
67. ttach the conical spring washers for all 6 screws with the toothing facing toward the enclosure lid 2 Checkthe DC connectors for correct polarity and connect them To unlock the DC connectors see section 7 2 Opening the Inverter page 55 3 Close all the DC inputs that are not needed as described in section 5 4 4 Connecting the PV Array DC page 33 to seal the inverter 58 SMC46 60AA IEN 120471 Installation Manual SMA Solar Technology AG Opening and Closing 4 Check the Electronic Solar Switch for wear as described in section 8 3 and attach it firmly NOTICE E Manipulating the connector in the handle can damage the Electronic Solar Switch The connector inside the handle must remain movable in order to ensure proper contact Tightening the screw voids all warranty claims and creates a fire risk Do not tighten the connector screw in the Electronic Solar Switch handle NOTICE LE X Electronic Solar Switch can be damaged If it is not correctly connected the Electronic Solar Switch can be damaged by high voltages Plug the handle firmly onto the jack of the Electronic Solar Switch e Make sure that the device is securely in place Switch on the miniature circuit breaker 6 Check whether the display and the LEDs indicate a normal operating state see section 6 Commissioning page 48 inverter is now closed and in opera
68. type fuse the inverter can be damaged Use only a switch disconnector or a miniature circuit breaker as a load disconnection unit 24 SMC46 60AA IEN 1 20471 Installation Manual SMA Solar Technology AG Electrical Connection 5 2 2 Connecting the Inverter to the Power Distribution Grid AC 1 Check the line voltage and compare with Vac nom on the type label The exact operating range of the inverter is specified in the operating parameters The corresponding document is available in the download area at www SMA de en Disconnect the miniature circuitbreaker and secure against reconnection Loosen all screws of the enclosure lid and remove the lid Remove the adhesive tape from the enclosure opening see D Page 20 Insert the AC cable gland from the outside into the enclosure opening and tighten it from the inside with the counter nut Unscrew the cable gland s lock nut and pass it over the cable Route the cable through the cable gland to the AC terminal Connect L N and the protective conductor PE to the terminal blocks using a screwdriver in accordance with the label To do this the PE insulated conductor must be 5 mm longer than the L and N insulated conductors L and N must not be swapped Installation Manual SMC46 60A IA IEN 120471 25 Electrical Connection SMA Solar Technology AG 9 Tighten the lock nut firmly to the cable gland
69. verter input voltage can be exceeded at low ambient temperatures Installation Manual SMC46 60A A IEN 120471 33 Electrical Connection SMA Solar Technology AG N NOTICE IM 9 X Overvoltage can destroy inverter If the voltage of the PV modules exceeds the maximum input voltage of the inverter it can be destroyed by overvoltage This will void all warranty claims not connect strings with an open circuit voltage greater than the maximum input voltage of the inverter Check the plant design 4 Check the strings for ground faults as described in section 9 3 1 Checking the PV Array for Ground Faults page 71 5 Connect the assembled DC connectors to the inverter M The DC connectors click audibly into position 6 n order to seal the inverter all the DC inputs that are not required have to be closed with DC connectors and sealing plugs Sealing plugs Do not plug the sealing plugs directly into the DC inputs on the inverter For unused DC connectors push down the clamping bracket and push it onto the cable gland 34 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technology AG Electrical Connection Plug the sealing plug into the DC connector Tighten the DC connector torque 2 Nm Insert the DC connectors with sealing plugs into the corresponding DC inputs on the inverter M The DC connectors cl
70. with DK 5940 Ed 2 2 Applies to Italy Only 6 3 1 Starting the Self Test by Tapping You can start testing the disconnection times by tapping on the enclosure lid A prerequisite here is that the country configuration of the inverter has been set to Italy IT DK5940 or trimmed Proceed as follows for checking the disconnection times 1 Connect PV array to the inverter The inverter can only initialize if the PV array produces enough power It is therefore not possible to test the disconnection times at night 2 Connectthe inverter on the AC side For this you have to establish the AC connection AC plug or direct connection and or switch on the miniature circuit breaker 3 The inverter is now in the initialization phase i e all LEDs are lit at the same time Start the self test immediately after all 3 LEDs have gone out by tapping on the display of the inverter 4 The question of whether you would like to start the test sequence appears in the display Tap on the display again within 30 seconds to confirm the question Audio BHutotezt Once you have started the test sequence the inverter checks the disconnection times for overvoltage undervoltage maximum frequency and minimum frequency one after the other During the tests the inverter shows the values in the display which are described in section 6 3 2 Completion of the Selftest page 51 50 SMC46 60A IA IEN 120471 Installation Manual SMA Solar Technol

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