SMC Networks SMC 6000A - Manuals

SMA Technologie AG Safety Instructions Installation Guide SMC50A_60A-IEN073320 Page 9 3 Safety Instructions 3.1 Handling of the Sunny Mini Central All work on and in the Sunny Mini Central must be carried out by aqualified electrician. The electrician must be approved by the local energysupplier. Op...

Safety Instructions SMA Technologie AG Page 10 SMC50A_60A-IEN073320 Installation Guide General safety rules for working on photovoltaic systems: Follow the instructions in the pictograms, signs and labels on each inverterand ensure that they are legible at all times. 1. Disconnecting the deviceBefor...

Overview of the Device SMA Technologie AG Page 12 SMC50A_60A-IEN073320 Installation Guide 4 Overview of the Device 4.1 Identification You can identify the Sunny Mini Central with the aid of the name plate (see figurebelow). The name plate is found on the right-hand side of the housing (when viewedfr...

Overview of the Device SMA Technologie AG Page 14 SMC50A_60A-IEN073320 Installation Guide Wall bracket and rear panel 8,5 2,6 2,6 7,8 11,0 2,2 8,6 7,6 43,3 2,0 1,2 1,0 1,2 2,0 2,2 7,0 48,7 0,2 1,2 5,8 2,5 1,2 5,8 2,5 0,9 (4 x) Specifications in cm Holes for optional single-usescrews as anti-theft pr...

SMA Technologie AG Overview of the Device Installation Guide SMC50A_60A-IEN073320 Page 15 4.3 Electronic Solar Switch (ESS) The Sunny Mini Central is equipped with the integrated electronic DC load-disconnecting switch ESS. This reliably prevents the arcing that usually occurs whendisconnecting the ...

SMA Technologie AG Overview of the Device Installation Guide SMC50A_60A-IEN073320 Page 17 A Varistors (Page 65) B Connection terminals for communication (Page 48) C Socket for communication Piggy-Back (RS232, RS485, radio) (Page 48) D Jumper for communication (Page 48) E Sunny Display (Page 54) F Ju...

Installation SMA Technologie AG Page 18 SMC50A_60A-IEN073320 Installation Guide 5 Installation 5.1 Selecting an Installation Location No. Checkpoint Control Location 1 The installation location andmethod of installation is suitable forthe weight of approximately 63 kgand the dimensions of 468 mm x 6...

SMA Technologie AG Installation Installation Guide SMC50A_60A-IEN073320 Page 19 3 If several Sunny Mini Central units are installed in areas wherehigh ambient temperatures are to be expected, the individualSunny Mini Central units must be far enough apart to ensure thatthe individual Sunny Mini Cent...

Installation SMA Technologie AG Page 20 SMC50A_60A-IEN073320 Installation Guide Position 11 The Sunny Mini Central is mounted vertically on a wall, or if it isabsolutely necessary, tilted back to an angle of max. 45°. 12 The Sunny Mini Central is installed so that it is not slanting forward. 13 The ...

SMA Technologie AG Installation Installation Guide SMC50A_60A-IEN073320 Page 21 5.2 Required Tools and Materials Number Tool/material Purpose 1 drill with a suitable drill bit drilling the holes for the wall bracket 2 - 4 wall anchors with a diameter of10 mm(for attachment to a concrete orstone wall...

Installation SMA Technologie AG Page 22 SMC50A_60A-IEN073320 Installation Guide 5.3 Mounting the Sunny Mini Central Only use the provided wall bracket for installation! When mounting the device, be sure to take into account the weight of the SunnyMini Central of 63 kg! Step Instruction Mounting the ...

SMA Technologie AG Installation Installation Guide SMC50A_60A-IEN073320 Page 23 Mounting the Sunny Mini Central 4 When transporting and installing theSunny Mini Central, use the ergonomichandles at the top and bottom at thesides of the Sunny Mini Central (A), orthe housing opening, for example byins...

Installation SMA Technologie AG Page 24 SMC50A_60A-IEN073320 Installation Guide 8 Close the recessed grips with thehandle covers provided in theaccessories kit. They are required to adequatelyprevent insects entering the unit! If required, new handle covers can beordered from SMA (contact: see Page ...

SMA Technologie AG Electrical Connection Installation Guide SMC50A_60A-IEN073320 Page 25 6 Electrical Connection 6.1 Required Tools and Materials Number Tool/material Purpose 2-8 PV plug connectors for the connecting cables of the solarmodules for connection to the SunnyMini Central 1 multimeter wit...

Electrical Connection SMA Technologie AG Page 26 SMC50A_60A-IEN073320 Installation Guide 6.2 Connection Procedure The following figure shows the assignment of the individual housing ducts on the baseof the Sunny Mini Central. When connecting the unit to the power supply, do not deviate from theseque...

SMA Technologie AG Electrical Connection Installation Guide SMC50A_60A-IEN073320 Page 27 6.3 Connection of the DC Input 6.3.1 Requirements For connecting the DC input, the following requirements must be satisfied:1. The connected strings must consist of modules of the same type and number andshould ...

Electrical Connection SMA Technologie AG Page 28 SMC50A_60A-IEN073320 Installation Guide 6.3.2 Connection of PV Strings To connect up the PV strings, follow these steps: NOTICE! The AC side of the Sunny Mini Central must be disconnected fromthe grid before you connect the PV strings to the Sunny Min...

Electrical Connection SMA Technologie AG Page 30 SMC50A_60A-IEN073320 Installation Guide 6.3.3 Reverse Current Advice on Generator Configuration for PV Systems Using the Sunny Mini Central In contrast to the Sunny Boy string inverters, three and more strings are usuallyconnected in parallel in the P...

Electrical Connection SMA Technologie AG Page 32 SMC50A_60A-IEN073320 Installation Guide How Can Reverse Current in the Modules be Prevented? First we must explain that bypass diodes which are the current state-of-the-art in moduleconstruction do not influence the reverse current in the module, but ...

SMA Technologie AG Electrical Connection Installation Guide SMC50A_60A-IEN073320 Page 33 Design Notes Check the following points below: Step Test 1 Do all the strings have the same number of series-connected modules? 2 How high is the maximum reverse current in a defective string at nominalcondition...

Electrical Connection SMA Technologie AG Page 34 SMC50A_60A-IEN073320 Installation Guide 6.4 Connecting the AC Output 6.4.1 Requirements For connecting the AC output, the following requirements must be satisfied: 1. Connection Requirements When connecting an inverter to the public grid, follow the c...

SMA Technologie AG Electrical Connection Installation Guide SMC50A_60A-IEN073320 Page 35 2. Grid Impedance Due to a high grid impedance, a high line resistance or a high voltage at the feed-in point, a high AC voltage may result at the connection point of the Sunny MiniCentral. In Germany, the 10-mi...

Electrical Connection SMA Technologie AG Page 36 SMC50A_60A-IEN073320 Installation Guide The diagram shows the respective curves for a grid voltage without mains supply.A maximum possible feed-in power per phase (X axis) is obtained for therespective curves depending on the grid impedance (Y axis). ...

SMA Technologie AG Electrical Connection Installation Guide SMC50A_60A-IEN073320 Page 37 3. Cable Connection The connection terminals in the Sunny MiniCentral are suitable for wire cross-sectionsof up to 25 mm². The external diameter of the cable musttherefore be between 11 mm and 25 mm.If you use a...

Electrical Connection SMA Technologie AG Page 38 SMC50A_60A-IEN073320 Installation Guide Output losses of the Sunny Mini Central SMC 5000A The following maximum cable lengths are possible for the different cable cross-sections: Cable cross-section 4.0 mm² 6.0 mm² 10.0 mm² 16.0 mm² 25.0 mm² Max. cabl...

SMA Technologie AG Electrical Connection Installation Guide SMC50A_60A-IEN073320 Page 39 Output losses of the Sunny Mini Central SMC 6000A The following maximum cable lengths are possible for the different cable cross-sections: Cable cross-section 4.0 mm² 6.0 mm² 10.0 mm² 16.0 mm² 25.0 mm² Max. cabl...

Electrical Connection SMA Technologie AG Page 40 SMC50A_60A-IEN073320 Installation Guide 6. Line Circuit Breaker The selection of the correct line circuit breaker depends on various factors. Fordetailed information for the rating of a line circuit breaker, please refer to section6.4.3 "The Line ...

SMA Technologie AG Electrical Connection Installation Guide SMC50A_60A-IEN073320 Page 41 6.4.2 Connecting the AC Output To connect up the AC output, follow these steps: Step Instruction 1 Check the grid voltage!For Germany, the following applies: If the grid voltage is constantly higherthan 253 V, t...

Electrical Connection SMA Technologie AG Page 42 SMC50A_60A-IEN073320 Installation Guide 5 Connect the protective earth (PE) of themains cable to the right terminal of theterminal block (see figure to the right). To do this, the PE wire must be 5 mm longerthan the L and N wires! PE conductor connect...

Electrical Connection SMA Technologie AG Page 44 SMC50A_60A-IEN073320 Installation Guide 6.4.3 The Line Circuit Breaker Factors that Determine the Selection Various factors should be taken into account when selecting line circuit breakers. Theseinclude, for example:• The type of cable used (conducto...

SMA Technologie AG Electrical Connection Installation Guide SMC50A_60A-IEN073320 Page 45 Rating of the Circuit Breakers We assume a PV system with 9 Sunny Mini Central inverters with three inverters perphase. Required technical data of the Sunny Mini Central SMC 5000A / SMC 6000A • Maximum output cu...

Electrical Connection SMA Technologie AG Page 46 SMC50A_60A-IEN073320 Installation Guide When selecting line circuit breakers, a number of load factors need to be taken intoaccount. These can be found in the respective manufacturer's data sheets. For example,one manufacturer's circuit breaker may be...

SMA Technologie AG Electrical Connection Installation Guide SMC50A_60A-IEN073320 Page 47 As well as the thermal rating of the circuit breakers, the applicable DIN VDE standardsmust also be taken into account. The main ones that apply here are: • DIN VDE 0100, part 410 • DIN VDE 0100, part 430 • DIN ...

The Communication Interface SMA Technologie AG Page 48 SMC50A_60A-IEN073320 Installation Guide 7 The Communication Interface The communication interface is used to communicate with SMA communication devices(e.g. Sunny Boy Control, Sunny WebBox) or a PC with appropriate software(e.g. Sunny Data Contr...

The Communication Interface SMA Technologie AG Page 50 SMC50A_60A-IEN073320 Installation Guide 7.1.1 Jumper Functions A Housing feed-throughs in the base of the Sunny Mini Central B Cable route (gray surface) C PE connector D Screw terminals for connection of the communication wires E Jumper slots F...

SMA Technologie AG Commissioning the Sunny Mini Central Installation Guide SMC50A_60A-IEN073320 Page 51 8 Commissioning the Sunny Mini Central Proceed with commissioning the Sunny Mini Central only after:• the housing cover is securely screwed shut, • the DC cables (PV strings) are fully connected a...

Commissioning the Sunny Mini Central SMA Technologie AG Page 52 SMC50A_60A-IEN073320 Installation Guide 8.1 Display After a normal grid connection of the Sunny Mini Central, it takes approximately oneminute until the following display messages are shown alternately. For this, the DC andAC connection...

SMA Technologie AG Commissioning the Sunny Mini Central Installation Guide SMC50A_60A-IEN073320 Page 53 In case of failures In case of a failure, the message "Disturbance" will beindicated in the status bar. The exact error message follows. For example, if the "Disturbance" message s...

Commissioning the Sunny Mini Central SMA Technologie AG Page 54 SMC50A_60A-IEN073320 Installation Guide 8.1.1 Setting the Language of the Sunny Display You can set the language of the Sunny Display using the switches on the underside ofthe display assemblies inside the Sunny Mini Central. Proceed as...

SMA Technologie AG Commissioning the Sunny Mini Central Installation Guide SMC50A_60A-IEN073320 Page 55 8.2 LEDs After a normal grid connection of the Sunny Mini Central, it takes approximately oneminute until the following blink code is displayed. For this, the DC and AC inputs mustbe correctly con...

Commissioning the Sunny Mini Central SMA Technologie AG Page 56 SMC50A_60A-IEN073320 Installation Guide Working Mode In Case of Failures In case the Sunny Mini Central detects an error, this is indicated through a blink codeof the yellow and red LEDs.For example, if the yellow LED glows for 5 second...

SMA Technologie AG Hand-over to the Operator Installation Guide SMC50A_60A-IEN073320 Page 57 9 Hand-over to the Operator After installing the Sunny Mini Central successfully, hand the system over to theoperator. To do so, please use the following check list. No. Checkpoint Control What the operator ...

Opening and Closing the Sunny Mini Central SMA Technologie AG Page 58 SMC50A_60A-IEN073320 Installation Guide 10 Opening and Closing the Sunny Mini Central 10.1 Safety Instructions Follow all safety instructions described in section 3 "Safety Instructions"(Page 9). High voltages are present ...

SMA Technologie AG Opening and Closing the Sunny Mini Central Installation Guide SMC50A_60A-IEN073320 Page 59 10.2 Opening of the Sunny Mini Central Follow the sequence described below and all safety instructions in section10.1 "Safety Instructions" (Page 58)! Step Instruction 1 Switch the l...

Opening and Closing the Sunny Mini Central SMA Technologie AG Page 60 SMC50A_60A-IEN073320 Installation Guide 10.3 Closing of the Sunny Mini Central Follow the sequence described below and all safety instructions in section10.1 "Safety Instructions" (Page 58)! Step Instruction 1 Secure the h...

Troubleshooting / Problem Solving SMA Technologie AG Page 62 SMC50A_60A-IEN073320 Installation Guide 11 Troubleshooting / Problem Solving The Sunny Mini Central is a complex high-technology device. As a result, thepossibilities for fixing faults on site are limited to just a few items. Should the Su...

SMA Technologie AG Troubleshooting / Problem Solving Installation Guide SMC50A_60A-IEN073320 Page 63 11.2 The red LED is Continuously on 11.2.1 Ground Fault Testing If the red LED on the Sunny Mini Central is continuously illuminated, it should bechecked whether there is a ground fault in the PV gen...

Troubleshooting / Problem Solving SMA Technologie AG Page 64 SMC50A_60A-IEN073320 Installation Guide 3 Repeat points 3 and 4 for each string. Event Measure You have found a ground fault . Restart the Sunny Mini Central as describedfrom step 7 onwards, but withoutreconnecting the faulty string. The P...

SMA Technologie AG Troubleshooting / Problem Solving Installation Guide SMC50A_60A-IEN073320 Page 65 11.2.2 Checking the Varistors Varistors are wearing parts. Their functioning diminishes with age or following repeatedresponses as a result of overvoltages. It is therefore possible that one of the t...

Troubleshooting / Problem Solving SMA Technologie AG Page 66 SMC50A_60A-IEN073320 Installation Guide 3 Replace the varistor concerned with a newone as shown in the illustration to the right.Ensure the varistor is installed the right wayround! If you do not receive a special toolfor operating the ter...

SMA Technologie AG Maintenance and Cleaning Installation Guide SMC50A_60A-IEN073320 Page 67 12 Maintenance and Cleaning The Sunny Mini Central has been constructed so that maintenance is kept to a minimum.To guarantee safe operation, it is usually adequate to observe the following principles:• Check...

Maintenance and Cleaning SMA Technologie AG Page 68 SMC50A_60A-IEN073320 Installation Guide Step Instruction 1 Disconnect the Sunny Mini Central from both the DC and AC connections,paying attention to the safety instructions in section 3 "Safety Instructions"(Page 9). 2 Wait for the fans to ...

SMA Technologie AG Maintenance and Cleaning Installation Guide SMC50A_60A-IEN073320 Page 69 12.1.2 Checking the Fans If necessary, there are two different ways to check the fans are functional:• Set the "Fan Test" parameter to "1" in the installer mode (using Sunny Data, Sunny Data C...

Maintenance and Cleaning SMA Technologie AG Page 70 SMC50A_60A-IEN073320 Installation Guide Setting the Jumper 1 Open the Sunny Mini Central as described in section 10.2 "Opening of theSunny Mini Central" (Page 59). 2 Place the jumper on the controller board socket, as laid out below. 3 Clos...

Maintenance and Cleaning SMA Technologie AG Page 72 SMC50A_60A-IEN073320 Installation Guide 12.2 Inspection of the Electronic Solar Switch Check the Electronic Solar Switch for wear before you attach it.To do this, check the metal tongues on the inside of the plug for brown discoloration. If one of ...

SMA Technologie AG Decommissioning Installation Guide SMC50A_60A-IEN073320 Page 73 13 Decommissioning 13.1 Disassembly You must follow the sequence described below and all safety instructionsin sections 3 and 10.1! Step Instruction 1 Open the Sunny Mini Central as described in section 10.2 "Open...

SMA Technologie AG Technical Data Installation Guide SMC50A_60A-IEN073320 Page 75 14 Technical Data 14.1 Sunny Mini Central SMC 5000A Description Short descr. Setting PV Generator Connection Data Max. input open circuit voltage U PV 0 600 V (based on -10 °C celltemperature) Input voltage, MPP range ...

Technical Data SMA Technologie AG Page 76 SMC50A_60A-IEN073320 Installation Guide Grid Connection Data Nominal output power P ACnom 5000 W Peak output power P AC, max 5500 W Nominal output current I ACnom 21.7 A Max. output current I AC, max 26 A Harmonic distortion of output current(at KUgrid < ...

SMA Technologie AG Technical Data Installation Guide SMC50A_60A-IEN073320 Page 77 Efficiency Curve of the SMC 5000A The efficiency of the Sunny Mini Central depends mainly on the input voltage of theconnected PV strings. The lower the input voltage, the higher the efficiency. Efficiency Max. efficie...

Technical Data SMA Technologie AG Page 80 SMC50A_60A-IEN073320 Installation Guide Efficiency of the SMC 6000A The efficiency of the Sunny Mini Central depends mainly on the input voltage of theconnected PV strings. The lower the input voltage, the higher the efficiency. Efficiency Max. efficiency ma...

SMA Technologie AG Technical Data Installation Guide SMC50A_60A-IEN073320 Page 81 14.3 General Data General Data Protection rating in accordancewith DIN EN 60529 IP65 Climatic conditions (DIN EN 50178:1998-04): Location of type C: class 4K4HExtended temperature range: -25 °C to +60 °CExtended humidi...

Technical Data SMA Technologie AG Page 82 SMC50A_60A-IEN073320 Installation Guide 14.4 Sunny Mini Central Operating Parameters 14.4.1 Explanation of the Operating Parameters Unauthorized changes to the operating parameters may result in:• injury or accidents as a result of changing the internal safe...

SMA Technologie AG Technical Data Installation Guide SMC50A_60A-IEN073320 Page 83 Control Current regulation switching. If the operating parameter "Control" isset to "Auto", the inverter automatically chooses the optimal type ofcurrent regulation. If the operating parameter "Cont...

SMA Technologie AG Technical Data Installation Guide SMC50A_60A-IEN073320 Page 85 Ripple-Ctl-Frq The Ripple-Ctl-Frq, Ripple-Ctl-Lev, Ripple-Ctl-Rcvr parameters areintended to handle ripple control signals from the Sunny MiniCentrals. These parameters are not available for all Sunny MiniCentrals. The...

SMA Technologie AG Technical Data Installation Guide SMC50A_60A-IEN073320 Page 89 14.4.3 Country-specific Parameter Settings Sunny Mini Central SMC 5000A The parameters listed below represent country-specific settings and are only displayedin installer mode. All other parameters are international an...

Technical Data SMA Technologie AG Page 90 SMC50A_60A-IEN073320 Installation Guide Sunny Mini Central SMC 6000A The parameters listed below represent country-specific settings and are only displayedin installer mode. All other parameters are international and can be viewed in the tablein section 14.4...

SMA Technologie AG Technical Data Installation Guide SMC50A_60A-IEN073320 Page 91 14.4.4 Fixed Parameters Grayed out parameters are only displayed in installer mode. The following parametersare displayed in the parameter list but cannot be changed: Name Short descr. Default setting SMC 5000A SMC 600...

Legal Restrictions SMA Technologie AG Page 94 SMC50A_60A-IEN073320 Installation Guide The information contained in this document is the property of SMA Technologie AG. Publishing its content, either partially or in full, requires the written permision of SMA Technologie AG. Any internal company copy...