SUNNY MINI CENTRAL 6000TL / 7000TL / 8000TL
Contents
1. Installation Guide SMC6 8TL IENO83430 47 Opening and Closin SMA Solar Technology AG p g g gy 7 2 Closing the Sunny Mini Central 1 Secure the cover with six screws and the corresponding washers Tighten the screws in the sequence shown on the right to a torque of 6 Nm The toothing of the NP d washers must face toward the cover D The Sunny Mini Central accessories kit contains a G spare screw and spare washer DANGER Danger to life due to live covers The grounding of the housing cover is ensured by the toothed washers Fasten the washers for all six screws with the toothing facing toward the cover 2 Check the DC plug connector for correct polarity and connect it 3 Check the Electronic Solar Switch for wear as described in section 8 2 and insert it until it audibly clicks into place NOTICE Manipulating the connector in the handle can damage the Electronic Solar Switch The connector must remain moveable inside the handle to ensure proper contact Tightening the screws voids all warranty claims and creates a fire risk Do not tighten the connector screw in the Electronic Solar Switch handle A8 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Opening and Closing NOTICE Damage to the Electronic Solar Switch If inserted incorrectly the Electronic Solar Switch can be damaged by high voltages Press the han2. and Srr are irrelevant The other two Sunny Mini Centrals then also disconnect themselves from the grid with the display message shown to the right Both devices subsequently switch to Balanced mode If the Sunny Mini Centrals react as described above the functionality test has been completed successfully Otherwise check the configuration If necessary reset the PowerBalancer parameter on all Sunny Mini Centrals back to the desired setting Switch on the line circuit breaker again Installation Guide SMC6 8TLIENO83430 37 Electrical Connection SMA Solar Technology AG 5 5 Slot for Communication Interfaces The communication interface is used for communication with special data acquisition devices or a with corresponding software See the communication interface documentation for a detailed wiring diagram This section describes how to install the communication interface in the Sunny Mini Central Installation Procedure The letters in brackets refer to the figure on the next page 1 Sunny Mini Central as described in section 7 1 Opening the Sunny Mini Centra 46 NOTICE Electrostatic discharges can damage the communication interface Do not touch componentsconnectionsandplugcontacts Ground yourself before removing the communication interface from the packaging by touching the PE or a non coated part of the housing 2 Thread the cable through th
3. PV Inverter SUNNY MINI CENTRAL 6OOOTL OOOTL 8000TL Installation Guide SMC6 8TLIENO83430 IME SMCTL_60_70_80 Version 3 0 CN SMA Solar Technology AG Table of Contents Table of Contents 1 1 1 1 2 1 3 1 4 1 5 2 2 1 2 2 3 3 1 3 2 3 3 4 4 4 1 1 4 1 2 4 1 3 4 1 4 4 2 5 5 5 1 5 1 2 5 2 9i Notes on this Manuaol 7 Men 7 Tergei OUD rss E EE ennen Slondge or MONUGIS ewes 7 Additional Information 7 Er under ETE 8 Se CUFIDy a oed a AN asas 9 ADDIODIIGIE Sades cas pu dut dn nnee RR 9 Safety Insfructfions 10 WNDACKING sib ht bth EE RDUM 6 11 Packing EET ETT TT 11 Checking for Transport 12 Identifying the Sunny Mini Central 12 MOUNTING sen kee ae sedie be deken Wake hunten 13 Selection of the Mounting Location 13 Dimensions and Weight 13 Ambient CondiflOHs 2 o3 ebd obstet vershier nete Kedde 14 Sate dete e etd 14 goce enbrel baten 15 Mounting InstructOns lt 2a op beer CPP 16 Electrical Connection 19 Connection Area Overview 19 View from DElOW wees u s delve has rh pas e ie e Eae rar C
4. Do not switch on the line circuit breaker until the Sunny Mini Central is securely closed and the PV generator has been connected 24 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Electrical Connection Additional Grounding of the Housing If a second protective earth connection is required in the installation country e g Switzerland you can also ground the Sunny Mini Central with an additional protective earth on the connection terminal of the housing Procedure 1 Insert the stripped grounding cable D under the i al terminal clamp C max cross section 16 mm 2 Secure the terminal clamp with screw A and washer B The toothing of the washer must face toward the terminal clamp You can ground multiple Sunny Mini Centrals as shown below GND Installation Guide SMC6 8TLIENO83430 2 Electrical Connection SMA Solar Technology AG 5 3 PV Generator DC Connection Requirements for the modules of the connected strings same type same number identical alignment identical tilt The connecting wires of the solar modules must be equipped with plug connectors to allow the ten DC plug connectors of the Sunny Mini Central to be connected to it A pre assembled
5. W vee n 3 Sa Installation Guide 32 SMC 8TLIENO83430 SMA Solar Technology AG Electrical Connection FaultGuard If one of the three Sunny Mini Centrals indicates a grid voltage fault and stops feeding in the other two inverters also disconnect from the grid immediately If one of the three Sunny Mini Centrals indicates a device fault and stops feeding in the other two inverters also disconnect from the grid 5 minutes later Select this setting in order to realize the three phase voltage monitoring required for systems with a nominal power output gt 30 kW and to prevent an unbalanced load of more than 5 kVA between two phases Q Grid voltage fault Grid disconnection Grid disconnection Output O W Output O W Output W e 9 Grid disconnection after Grid disconnection after Device fault o 5 min 5 min tput nd Output O W Output O W 2 A E 2 9 Installation Guide SMC6 8TLIENO83430 33 Electrical Connection SMA Solar Technology AG 5 4 2 Cabling For cabling up the SMA Power Balancer use Twisted pair 1 a LiYCY cable structured as shown here 2 x 0 25 mm Indoors
6. 2 x 2 x 0 25 e Outdoors Li 2YCYv 2 x 2x 0 25 Flexible insulation 2 x 0 25 mm Shielding Proceed as follows for the cabling 1 Open the Sunny Mini Central as described in section 7 1 Opening the Sunny Mini Central 46 2 Feed the cable in every Sunny Mini Central In doing so use one of the two right housing openings A on the bottom side and feed the cable up along the cable route B to the terminal block 0 Tess ees g ses sss s Jams ewe Housing openings in the base of the Sunny Mini Central Cable route gray surface PE connector Screw terminals for connecting the wires Jumper slots m OO D Screw terminals for the wire jumper 34 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Electrical Connection DANGER Danger to life due to high voltages in a fault of the cable of the SMA Power Balancer Pull the silicone tube included in every Sunny Mini Central over the plus and minus line of the cable Cut the silicone tube to the required length The silicone tube must completely cover the cable inside the housing of the inverter Silicone tube 3 Ground the cable shield in every Sunny Mini Central on the PE connector Fit the conductors of the
7. Communication accessories bag optional packing list see separate communication manual Contents of inverter accessories bag EM Cable screw connection for AC connection G J Nut for AC connection cable screw connection JT Clamping clip for additional connection to ground 2 Washers 1 x for cover screws replacement 1 x for ground connection cable terminal J 2 Cylinder head screws M6 x 16 1 x for cover replacement 1 x for ground connection cable terminal K i Jumper for fan test L 2 Cylinder head screws M x 8 for securing the Sunny Mini Central on the wall mounting bracket Silicone tube for insulation of the SMA Power Balancer connection cable Installation Guide SMC6 8TL IENO83430 11 Unpacking 3 2 Checking for Transport Damage SMA Solar Technology AG Check the Sunny Mini Central for visible external damage such as cracks in the housing or display Please contact your dealer if you find any damage 3 3 Identifying the Sunny Mini Central You can identify the Sunny Mini Central using the type label The type label is on the right side of the housing 12 SMC 8TLIENO83430 Device type SMA Solar Technology AG www SMA de SUNNY MINI CENTRAL Photovoltaic string inverter Made in Germany MC 8000TL V 700 V DC max Voc mer 333 500 V pe max 25 A X 230 V AC nom 50 60 Hz dsl 8000 W WR 35A cos 1 VDE 0126 1 1 2
8. DANGER indicates a hazardous situationwhich if not avoided will result in death or serious injury T WARNING CAUTION indicates q hazardous situqtion which if not avoided could result in minor or moderate injury T CAUTION CAUTION indicates q hazardous situqtion which if not avoided could result in minor or moderate injury NOTICE NOTICE indicates a situation that can result in property damage if not avoided Information Information provides tips that are valuable for the optimal installation and operation of your product 8 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Security 2 Security 2 1 Appropriate Usage The Sunny Mini Central is a PV inverter that converts the DC current of solar cells to AC current and feeds it into the public grid Principle of a PV System with the Sunny Mini Central TMM MM TULL VI 220007 LI B LG THM MMM 7 YU Distribution 2 Electricity grid 3 PV modules Sunny Mini Central The Sunny Mini Central may only be operated with solar generators modules and cabling of protection class PV modules with large capacities relative to ground such as thin film modules with cells on a metallic substrate are therefore only to be implemented
9. 06 AA e outdoor X 2000165882 000165882 3 AA Series number Country specific standard for the grid isolation point according to which the device may be preset Installation Guide SMA Solar Technology AG Mounting 4 Mounting 4 1 Selection of the Mounting Location DANGER Lethal danger caused by fire or explosion Despite careful construction a fire can occur with electrical devices Do not mount the Sunny Mini Central on flammable construction materials Do not mount the Sunny Mini Central in areas where highly flammable materials are stored Do not mount the Sunny Mini Central in areas where there is a risk of explosion CAUTION AN Danger of burn injuries due to hot housing parts Mount the Sunny Mini Central such that it cannot be touched inadvertently oO 46 l Ae L 33 kg Installation Guide SMC6 8TLIENO83430 13 Mounting SMA Solar Technology AG 4 1 2 Ambient Conditions The mounting location and mounting method must be suitable for the weight and dimensions of the Sunny Mini Central Mounting on a solid surface The mounting location must be accessible at all times The ambient temperature should be below 40 C at all times to guarantee optimal operation Do not expose the Sunny Mini Central to direct sunlight to avoid a power reduction due to excessive heating Ina living area do not mount
10. 5 1 2 View from Inside 20 There is a conducting connection There is probably another fault in the Sunny Mini Central Close the Sunny Mini Central as described in section 2 2 Closing the Sunny Mini Central 47 Discuss further steps with the SMA Technical Service Line There is no conducting connection The respective varistor is not working and must be replaced The varistors are specially manufactured for use in the Sunny Mini Central and are not commercially available They must be ordered directly from SMA Solar Technology AG SMA order code MSWR TV7 To replace the part proceed to step 3 3 Replace both varistors with new ones as shown in Kf this drawing Varistor failure is generally due to influences which affect all varistors similarly nende staten temperature age induced overvoltage i open the terminal clamp If you do not receive a special tool for operating the terminal clamps together with your replacement varistors please contact SMA As an alternative the terminal contacts can be operated using a 3 5 mm wide screwdriver Remove varistor Ensure the varistors are installed the right way round The pole with the small loop crimp must be fitted to terminal 1 when replacing the varistor 56 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Troubleshooting 4 Possibly bridge terminals 2 and 3 If no replacement varistors are available
11. Installation Guide SMA Solar Technology AG 6 1 Display Grid Feeding After faultfree grid connection of the Sunny Mini Central it takes approximately one minute until the following display messages are shown alternately The display messages shown before that only have the purpose of indicating the initialization of the Sunny Mini Central and the process of controlling whether the power supply requirements are fulfilled 2 The energy generated today and the current operating mode are displayed first The current feed in power and the PV voltage are displayed after 5 seconds or when you tap the housing cover After a further 5 seconds or when you tap again the total energy produced and the time the Sunny Mini Central has been connected to the grid are displayed 4 Then the cycle begins again Disturbance In case of o fault the message Disturbance is shown in the status bar The exact failure message follows For example if the grid fault message shown here is displayed immediately after connection it may be due to the fact that the AC wire is not correctly connected or the circuit breaker is not switched on yet If a measured value which is not standard compliant is responsible for the failure then the value measured at the time of the failure is displayed If another measurement is possible the current value is displayed in the second line Commissioning P
12. Sunny Mini Centrals as described in section 7 2 Closing the Sunny Mini Central 48 il Connection with a Sunny Mini Central 9000TL 10000TL or 11000TL In order to be able to connect the SMA Power Balancer with a Sunny Mini Central 9OOOTL or 1 1000TL the Sunny Mini Central 6000TL ZOOOTL or 8000TL must be equipped with a special connection plug order number PBL SMC 1 O NR The connection of three Sunny Mini Centrals is then carried out with a special connector cable order number PBL YCABLE 1 0 36 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Electrical Connection 5 4 3 Functionality Test To test whether the SMA Power Balancer operates correctly proceed as follows m Select the PhaseGuard setting of the PowerBalancer parameter for all three Sunny Mini Centrals Check whether all Sunny Mini Centrals in the group are feeding the grid normally green LED glows continually or display message shown to the right If this is the case proceed to step 3 If all Sunny Mini Centrals in this group show the display message pictured to the right check the installation of the SMA Power Balancer and contact SMA Solar Technology if necessary Switch off the line circuit breaker for one of the three Sunny Mini Centrals The Sunny Mini Central with a deactivated line NP NM circuit breaker then indicates a grid voltage fault vice c with the display message shown to the right
13. Ts 2357 y Interface port Screw terminals for connection of the communication wires Jumper slot Tab for grounding the cable shield Cable route gray surface Screwing device for the shield clamp Q mm oon gt Cable openings in the base of the Sunny Mini Central Installation Guide SMC6 8TLIENO83430 39 Commissioning SMA Solar Technology AG 6 Commissioning Check the following requirements before commissioning Correct connection of the AC grid cable Full connection of the DC cables PV strings Unused DC plug connectors on the underside of the housing are sealed with protective caps The housing cover is securely screwed in place The Electronic Solar Switch is securely plugged line circuit breaker is laid out correctly Commissioning Procedure l Switch on the line circuit breaker Operation green 2 During the day an illuminated or blinking green LED signals fault free operation If this is the case commissioning was completed successfully There is no display available for displaying due to a lack of radiation at night vell yellow 3 The meaning of the yellow and red LEDs as well as the error and status messages on the display are described in the user manual provided 40 SMC6 8TLIENO83430
14. of the ground fault can be determined from the ratio of the measured voltages between plus against ground potential and minus against ground potential Example V 40V V 60V 20 V 20V The ground fault is between the second and third module in this case 3 Repeat step 2 for each string The installer of the PV generator must fix the ground fault in the affected string before the string may be reconnected to the Sunny Mini Central Restart the Sunny Mini Central as described in section 7 2 Closing the Sunny Mini Central 48 but without reconnecting the faulty string 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 1 2 Check the function of the varistors 56 Installation Guide SMC6 8TLIENO83430 55 Troubleshooting SMA Solar Technology AG 9 1 2 Check the function of the varistors Varistors are wearing parts Their functioning 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 You can check the varistors in the following way 1 Sunny Mini Central as described in section 7 1 Opening the Sunny Mini Centra 46 2 Use a multimeter to check both varistors and see if there is a conducting connection between connectors 2 and 3 position see section
15. on site the 2422 Sunny Mini Central be temporarily run without Nu them do this remove the varistors as described above and in their place bridge the terminals 2 and 3 with a wire jumper NOTICE The Sunny Mini Central could be irreparably damaged overvoltage If varistors are missing the Sunny Mini Central is no longer protected against overvoltages Do not operate Sunny Mini Centrals without varistors in systems with a high risk of overvoltages Replacement varistors should be obtained as soon as possible 5 Close the Sunny Mini Central as described in section 7 2 Closing the Sunny Mini Central 48 Installation Guide SMC6 8TLIENO83430 57 Decommissioning SMA Solar Technology AG 10 Decommissioning 10 1 Disassembly 1 Open the Sunny Mini Central as described in section 7 1 Opening the Sunny Mini Central 46 2 Remove all connector cables from the Sunny Mini Central Close the Sunny Mini Central with the six screws and the corresponding washers 4 Remove both screws on the left and right side of the Sunny Mini Central that attach it to the wall mounting bracket Disconnect the anti theft protection if applicable 6 Remove the Sunny Mini Central vpwards in a vertical position from the wall mounting bracket 7 When transporting the Sunny Mini Central use the ergonomic handles at the top and bottom at the sides of the Sunny Mini Central A or the hou
16. set for connecting the free cable ends from a string is available as an accessory from SMA Solar Technology Multi Contact 3 mm SWR MC 21 0A Multi Contact 4 mm MC SET 30 0A Tyco TYCO SET 30 0A following limit values at the DC input of the Sunny Mini Central may not be exceeded DANGER Risk of lethal electric shock or burns The maximum possible input current per string is limited by the plug connector used If the plug connector is overloaded an electric arc may occur and there is a fire risk Ensure that the input current for each string does not exceed the maximum flow current of the plug connectors used 26 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Electrical Connection Connection Procedure DANGER Danger to life due to high voltages in the Sunny Mini Central Before connecting the PV generator ensure that the line circuit breaker is switched off 1 Remove the Electronic Solar Switch by pulling it downwards and slightly towards the wall NOTICE Excessive voltages can destroy the measuring device Only use measuring devices with a DC input voltage range up to at least 700 V 2 Check the connection cables of the solar modules for correct polarity and that the maximum input voltage of the Sunny Mini Central is not exceeded Check the system design if the open circuit voltage of the solar modules is less than 10 below the maximum input voltag
17. 4 9 at THD lt 2 9 0 5 PACnom Nominal operational voltage 220V 230V 240V Voltage range 180 V 260 V extended operating range Frequency range fac 50 Hz 45 5 Hz 54 5 Hz at nominal output power Overvoltage category Il according to AUS NZS 60950 1 2003 _ EEE EL Tes suge vologe Internal consumption during night 0 25 W operation Installation Guide SMC6 8TLIENO83430 59 Technical Data SMA Solar Technology AG Sc 6000TL SMC 7000TL SMC 8000TL General data EC Declaration of Conformity enclosed set of documents download area www SMA de Dimensions W x H x D approx 468 mm x 613 mm x 242 mm i approx 31 kg approx 32 kg approx 33 kg Protection rating in accordance with DIN EN IP65 60529 Climatic conditions DIN EN 50178 1998 04 Location of type C class 4K4H extended temperature range 25 C to 60 C extended air humidity range 0 100 extended air pressure range 70 kPa to 106 kPa Transport of type E class 2K3 temperature range 25 C 70 C Operation temperature range 25 C 60 C Max operating altitude 3 000 m above sea level with DIN EN 50178 1998 04 All pole disconnection unit on the DC input side Overvoltage protection Reverse polarity protection 60 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Technical Data SC 6000TL SMC 7000TL SMC 8000TL Protective function AC side All po
18. SMA Solar Technology 2 2 Safety Instructions DANGER Danger to life due to high voltages in the Sunny Mini Central All work on the Sunny Mini Central must be carried out by a qualified electrician CAUTION AN Danger of burn injuries due to hot housing parts Do not touch the housing body during operation Only touch the cover during operation NOTICE Dust or water entering the Sunny Mini Central can damage the device IF the Electronic Solar Switch has been pulled out the Sunny Mini Central only has a protection rating of IP21 If the device has been temporarily decommissioned proceed as follows to restore the IP65 protection rating Unplug all DC plug connectors and seal them with the protecting caps provided Attach the Electronic Solar Switch PV generator ground connection Comply with the local requirements for grounding the modules and the PV generator SMA Solar Technology recommends connecting the generator frame and other electricity conducting surfaces such that there is continuous conduction and to connect them to the ground in order to reach maximum protection for property and persons 10 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Unpacking 3 Unpacking 3 1 Packing List pg 9 6 c poo 9 Objet Quantity Description sss s s s Welmomingbede b Ser of documents wih explanations and
19. Sunny Mini Central is specified in the operating parameters The operating parameters can be read using a communication component or requested from SMA Solar Technology Switch off the line circuit breaker and secure it to prevent it from being reactivated Loosen all six cover screws and remove the cover Remove the taping of the AC cable opening see E on Page 19 Installation Guide SMC6 8TLIENO83430 23 Electrical Connection SMA Solar Technology AG 5 Insert the AC screw clamp into the cable opening from the outside and tighten it along with the nut from the inside 6 Pull cable through Connect L N and the protective earth PE to the terminal blocks in accordance with the labels For this the PE wire must be 5 mm longer than the L and N wires L and N may not be swapped 8 Securely close the screw clamp on the cable opening 9 Secure the cover with six screws and the corresponding washers Tighten the screws in the sequence shown on the right to a torque of 6 Nm The toothing of the washers must face toward the cover The Sunny Mini Central accessories kit contains a DT spare screw and spare washer DANGER Danger to life due to live covers The grounding of the housing cover is ensured by the toothed washers Fasten the washers for all six screws with the toothing facing toward the cover DANGER Danger to life due to high voltages in the Sunny Mini Central
20. TLIENO83430 Installation Guide SMA Solar Technology AG Commissioning 6 2 LED Display Overview Lo Green Status i Is not glowin Is not glowin d d grid feeding glows continuously is not glowing OK glows continuously l glows continuously initialization fases quicky OK 3 x per second dows continuously K blinks slowly f f f S is not glowing is not glowing waiting grid 1 x per second o monitoring refy goes out Glows continuously OK approx 1 x per f l f f second is not glowing is not glowing TRE OK f is not glowing f is not glowing overnight shutdown glowing flashing disturbance j is not glowing disturbance ows continuous glowing flashing disturbance is not glowing Grid Feeding After a faultfree grid connection of the Sunny Mini Central it takes approximately one minute until the green LED is continuously on The blink codes shown before that only have the purpose of indicating the initialization of the Sunny Mini Central and the process of controlling whether the power supply requirements are fulfilled The green LED illuminates continuously Installation Guide SMC6 8TLIENO83430 43 Commissioning SMA Solar Technology AG Failure or Fault If the Sunny Mini Central detects a failure or fault this is indicated through a blink code of the yellow and where applicable the red LEDs For example if the yellow LED glows for 5 seconds i
21. The fan cables are long enough that you can lift the fans far enough out to disconnect the internal plugs in the Sunny Mini Central 8 Remove the fan and clean it with a soft brush a paint brush or a cloth and water Do not vse compressed air as this can damage the fan 9 After cleaning assemble everything in reverse order 10 Check that the fans are functional as described in the next section 50 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Maintenance 8 1 2 Checking the Fans There are two ways to check that the fan is functional Set the Fan Test parameter to 1 in the installer mode using Sunny Data Sunny Data Control the Sunny Boy Control data logger or Sunny WebBox or place the jumper on the system control board the jumper required to check the fans is included in the Sunny Mini Central accessories kit Setting the Parameter Request the installer password on the SMA Service Line contact see Page 62 2 Set the Fan Test parameter to 1 in the installer mode Check the fansair flow The Sunny Mini Central sucks 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 Setting the Jumper The Sunny Mini Central recognizes the jumper only
22. after the system has been restarted i e all LEDs must have gone out before a restart 1 Open the Sunny Mini Central as described in section 7 1 Opening the Sunny Mini Central 46 2 Plug the provided jumper in the slot on the system control board as shown below wor 2955 Por an B B Cmm SLE 00000000000000 9 9 ET s Jumper position for checking the fans 3 Close the Sunny Mini Central as described in section 7 2 Closing the Sunny Mini Central 48 Installation Guide SMC6 8TLIENO83430 5 Maintenance SMA Solar Technology AG Check the fansair flow The Sunny Mini Central sucks 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 After checking the fans remove the jumper Open and close the Sunny Mini Central as described in section Z Opening and Closing 46 8 1 3 Cleaning the Handle Covers The Sunny Mini Central sucks air in from underneath via the fans and blows it out again at the top on both sides via the handle covers Clean the handle covers if they are dirty Proceed as follows Remove the handle covers Insert your finger above in space between the handle cover and the housing and remove the handle covers to the si
23. cessed grips with the handle covers provided in the accessories kit The handle covers prevent the penetration of dirt and insects and can be reordered upon request from SMA Solar Technology SMA order number 45 7202 see Page 62 for contact Optional anti theft protection To protect the Sunny Mini Central against theft the rear face can be secured to the wall at the bottom using 2 single use bolts The other two holes are spares SMC 8TLIENO83430 SMA Solar Technology AG Installation Guide SMA Solar Technology AG Electrical Connection 5 Electrical Connection NOTICE Electrostatic discharges can damage the Sunny Mini Central Internal components of the Sunny Mini Central can be irreparably damaged by static discharge Ground yourself before you touch a component 5 1 Connection Area Overview 5 1 1 View from Below The following figure shows the assignment of the individual housing openings on the base of the Sunny Mini Central A Plug connectors for connecting the PV strings Socket for the connection of the Electronic Solar Switch ESS DC load disconnection unit Cable openings for optional communication via RS485 or radio PG16 Cable opening for grid connection AC 11 mm 25 mm Cable openings for SMA Power Balancer Installation Guide SMC6 8TLIENO83430 19 Electrical Connection SMA Solar Technology AG 5 1 2 View
24. de Clean the handle covers with a soft brush a paint brush or compressed air Fasten the handle covers back onto the Sunny Mini Central The handle covers must be attached according to the inside inscription links left and rechts right NOTICE Insects entering the Sunny Mini Central can damage the device handle covers must not be removed permanently because otherwise the device 52 is not protected against the entrance of insects SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Maintenance 8 2 Inspection of the Electronic Solar Switch ESS 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 Metal tongues If the metal tongues are brown or completely burned out see figure below then the Electronic Solar Switch can no longer reliably disconnect the DC side Worn out metal tongues You must replace the handle of the Electronic Solar Switch before you can reactivate the Sunny Mini Central Replacements for damaged Electronic Solar Switch handles are available from your dealer Installation Guide SMC6 8TLIENO83430 53 Troubleshooting SMA Solar Technology AG 9 Troubleshooting Should the Sunny Mini Central display other blink codes or display messages than those described in section 6 Commissioning 40 please refer to the operating manual of the Sunny Mini Central to
25. dle firmly into place on the socket of the Electronic Solar Switch until it audibly engages Check that the unit is securely in place Switch on the line circuit breaker 5 Check whether the display and the LEDs indicate Operation normal operating mode see section green 6 Commissioning 40 Ground faul J red Failure yellow Installation Guide SMC6 8TLIENO83430 49 Maintenance SMA Solar Technology AG 8 Maintenance 8 1 Checking Heat Dissipation 8 1 1 Cleaning the Fans If the fan guards are only dirtiedwith loose dust they can be cleaned with a vacuum cleaner If you do not achieve satisfactory results with a vacuum cleaner dismantle the fan for cleaning To do so proceed as follows 1 Disconnect the Sunny Mini Central from both the DC and AC connections as described in section 7 1 Opening the Sunny Mini Central 46 2 Wait for the fans to stop rotating Cleaning the Fan Guards 3 Push the two latches at the right edge of the black plastic cover to one side and remove it carefully with the fan guards mounted behind it 4 Clean the fan guard with a soft brush a paint brush a cloth or compressed air Cleaning the Fan 5 Press the front latches backwards and the rear Snap fits for latches forwards dismantling the fan 6 Remove the fan by pulling it slowly and carefully downwards 7 Unlock and remove the plugs
26. e cable opening G on the Sunny Mini Central Use the right cable opening for radio communication DANGER Danger to life through high voltage if there is a fault with the communication cable Pull the silicone tube over the cable The silicon tube must completely cover the communication cable inside the housing 3 Ifthe connection diagram of the communication device requires grounding the cable shield of the communication cable Use the provided shield clamp on its screwing device F for the communication interface The installation and use of the cable shield is described in the communication interface documentation Orifno shield clamp was provided ground the cable shield on the tab 4 Install the communication cable E as described in the following figure 5 Connect the communication cables to the screw terminal strip B as described in the connection plan of the communication device 38 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Electrical Connection 6 Connect the jumpers C if the connection plan of the communication device indicates this as necessary A detailed description of the jumper functions can be found in the communication device manual Plug the communication interface to the left of the interface port A 8 Close the Sunny Mini Central as described in section 7 2 Teo eol esse ee Tee Tem g
27. e of the Sunny Mini Central NOTICE The Sunny Mini Central could be irreparably damaged by overvoltage If the voltage of the solar modules exceeds the maximum input voltage of the Sunny Mini Central it could be irreparably damaged by overvoltage All warranty claims become void Do not connect strings to the Sunny Mini Central with open circuit voltage greater than the maximum input voltage of the Sunny Mini Central Check the system design 3 Check the strings for ground faults as described in section 9 1 The Red LED is Continuously 54 Installation Guide SMC6 8TLIENO83430 27 Electrical Connection SMA Solar Technology AG 4 Connect the DC plug connectors 5 Close unused input sockets with the sealing caps included in the packing list 6 Check the Electronic Solar Switch for wear as described in section 8 2 and insert it until it audibly clicks into place NOTICE Manipulating the connector in the handle can damage the Electronic Solar Switch The connector must remain moveable inside the handle to ensure proper contact Tightening the screws voids all warranty claims and creates a fire risk Do not tighten the connector screw in the Electronic Solar Switch handle NOTICE Damage to the Electronic Solar Switch IF inserted incorrectly the Electronic Solar Switch can be damaged by high voltages Press the handle firmly into place on t
28. find the exact meaning of the display message or the blink code and if necessary the details on troubleshooting Please do not attempt any other repairs than those described here but instead use the 24 hour replacement service the Sunny Mini Central is made ready for shipping within 24 hours and then given to a shipping company and the SMA Solar Technology AG repair service 9 1 The Red LED is Continuously On Either a ground fault exists in the PV generator or at least one of the varistors for the overvoltage protection is defective 9 1 1 Check PV Generator for Ground Fault 1 Disconnect the Sunny Mini Central from both the DC and AC connections as described in section 7 1 Opening the Sunny Mini Central 46 NOTICE Excessive voltages can destroy the measuring device Only use measuring devices with a DC input voltage range up to at least 700 V 2 Measure the voltages between the plus and minus pole of a string against the ground potential If voltage is found there is a ground fault in the corresponding string DANGER Risk of lethal electric shock In case of a ground fault the PV generator may carry high voltages Do not touch the frame of the PV generator Do not touch PE Wait until no voltage can be measured Do not connect strings with ground faults to the Sunny Mini Central 54 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Troubleshooting The approximate position
29. from Inside The following diagram gives a schematic overview of the various components and connection points inside the Sunny Mini Central with the cover removed A B C gt rm OQ Fn JOO i OQ e e Oo n OO CO POAT 0000000000 20 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Electrical Connection BO 9 OZ xr X xQY TMN SY Jumper for communication Page 38 Display Page 40 Jumper for fan testing Page 51 Operating status LEDs Page 40 Jumper for SMA Power Balancer Page 29 Connection terminals for SMA Power Balancer Page 29 Tab for grounding the cable shield of the SMA Power Balancer connection cable Page 29 Connection terminals for mains cable AC Page 22 Cable openings for SMA Power Balancer Page 29 Cable o
30. he socket of the Electronic Solar Switch until it audibly engages Check that the unit is securely in place You can now commission the Sunny Mini Central as described in section 6 Commissioning 40 The following connection options are optional 28 The residual current circuit breaker The Sunny Mini Central is equipped with an integrated all pole sensitive failure current monitoring unit This enables the Sunny Mini Central to automatically differentiate between real failure currents and normal capacitative discharge currents IF an external RCD or residual current breaker is mandatory you must use a circuit breaker which is triggered at a leakage current of 100 mA or more SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Electrical Connection 5 4 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 three Sunny Mini Centrals to a three phase low voltage grid Each of the three Sunny Mini Centrals in a group must be connected to a different grid phase conductor L1 L2 and 13 By activating this circuit you can stipulate how the other two Sunny Mini Centrals are to react if there is a device fault with the third Sunny Mini Central or there is a grid voltage fault in its phase The connections for the SMA Power Balancer are galvanically isolated from the rest of the Sunny Mini Central circuit In
31. holes In doing so use two to four of the six holes in the middle lt 2173 mi 21Z3 gt A a b a x e D 4 79 2 104 6 110 87 3 dh 130 lt 130 gt lt 87 3 gt Os LO O xt Specifications in mm Drill holes for optional single use screws as anti theft i 09 protection ES ED lt 58 3 425 134 gt 134 254158 3 16 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Mounting CAUTION AN Risk of injury due to the heavy weight of the Sunny Mini Central The Sunny Mini Central weighs 33 kg Mount the wall mounting bracket with the appropriate mounting material depending on subsurface Use upper and lower edgewise handles A or steel bar in the housing opening B diameter of max 30 mm for transport and mounting 2 Secure the wall mounting bracket using suitable screws and washers 3 Attach the Sunny Mini Central to the wall bracket using the mounting opening in the rear wall of the housing Installation Guide SMC6 8TLIENO83430 17 Mounting 4 Screw the Sunny Mini Central onto the wall mounting bracket on both sides using the M6 x 8 mm screws provided Only fasten the screws using your hand Check that the unit is securely in place Close the re
32. if their coupling capacity is below 50 nF kWp During grid feeding a leakage current flows from the cells to the earth The magnitude of this current depends on the manner in which the modules are installed and to no small extent on the weather rain snow This operational leakage current is not to exceed 50 mA When planning the PV system 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 SunnyDesign will assist you in this The manufacturer of the PV modules must have approved the modules for use with this Sunny Mini Central unit You must also ensure that all measures recommended by the module manufacturer for long term maintenance of the module properties are taken see also Module Technology technical information in the download area of www SMA de Installation Guide SMC6 8TLIENO83430 9 Security SMA Solar Technology AG Another use of the Sunny Mini Central as well as vnauthorized installations or modifications can compromise the operating safety and void the warranty claims and the operation permission The following is not permitted Using the Sunny Mini Central for purposes other than those indicated in this installation guide Connecting other power supply units other than PV modules to the Sunny Mini Central Modifying the Sunny Mini Central or installing components that have not been expressly recommended or sold by
33. le disconnection unit on grid side automatic disconnection device SMA grid guard 2 TENE CEC rebate dion RS485 galvanically isolated Electronic Solar Switch ESS Electrical service life min 50 switching processes in case of a short circuit with a nominal current of 30 A Efficiency curve 350 V DC sese pf 425 VDC Upy 500 V DC T 76 U pp V Sunny Mini Central 6000TL 200011 8000TL 2000 4000 6000 8000 Installation Guide SMC6 8TL IENO83430 61 Contact SMA Solar Technology AG 12 Contact If you have technical problems concerning our products contact the SMA Technical Service Line We require the following information in order to provide you with the necessary assistance Inverter type Series number of the Sunny Mini Central Type and number of modules connected Communication method Blink code or display of the Sunny Mini Central SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Tel 49 0 561 95 22 499 49 561 95 22 4699 Serviceline SMA de www SMA de 62 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Legal Restrictions 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 compan
34. lease refer to the provided operating manual of the Sunny Mini Central to read the exact explanations for the error and status messages Installation Guide SMC 8TLIENO83430 41 Commissioning SMA Solar Technology AG PV Overvoltage NOTICE Excessive DC voltage can destroy the Sunny Mini Central Immediately disconnect the Sunny Mini Central 1 Switch the line circuit breaker off 2 Remove the Electronic Solar Switch 3 Disconnect the DC plug connectors Check DC voltage Higher than 700 V Contact the planner installer of the PV generator for assistance Lower than 700 V Connect the Sunny Mini Central to the PV generator again as described in section 5 3 PV Generator DC Connection 26 If the message reappears disconnect the Sunny Mini Central again and contact SMA see section 12 Contact 62 6 1 1 Setting the Display Language You can set the language of the display using the switches on the underside of the display assemblies inside the Sunny Mini Central Proceed as follows 1 Open the Sunny Mini Central as described in section 7 1 Opening the Sunny Mini Central 46 2 Setthe switches for the required language as shown below Switch S2 Switch S1 200000000 EC RN fen ho bo o 3 Close the Sunny Mini Central as described in section 7 2 Closing the Sunny Mini Central 48 42 SMC6 8
35. mmediately after connection then goes out for 3 seconds and then flashes briefly twice there is a grid fault In this case it may be due to the fact that the AC cable has not yet been connected correctly or that the line circuit breaker has not yet been switched on The yellow LED flashes twice in succession LO mo ion EEA 5s 3s 1s Explanation of the blink codes For a detailed description of the blink codes see the provided operating manual of the Sunny Mini Central 44 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Commissioning PV Overvoltage The yellow LED flashes 4 times in succession fi A k eee NOTICE Excessive DC voltage can destroy the Sunny Mini Central Immediately disconnect the Sunny Mini Central 1 Switch the line circuit breaker off 2 Remove the Electronic Solar Switch 3 Disconnect the DC plug connectors Check DC voltage Higher than 700 V Contact the planner installer of the PV generator for assistance Lower than 700 V Reconnect the Sunny Mini Central to the PV generator as described in section 5 3 PV Generator DC Connection 26 If the message occurs again disconnect the Sunny Mini Central again and contact SMA see section 12 Contact 62 Installation Guide SMC6 8TLIENO83430 45 Opening and Closing SMA Solar Technology AG 7 Opening and Closing NOTICE Electrostatic discharges can damage
36. o pb s 19 View from Inside 20 Connection to the Public Grid AC 22 PV Generator DC Connection 26 Installation Guide SMC6 8TLIENO83430 3 Table of Contents SMA Solar Technology AG 5 4 5 4 1 5 4 2 5 4 3 5 5 6 1 6 1 1 6 2 7 7 7 2 8 8 8 1 1 8 1 2 8 1 3 8 2 9 1 9 1 1 21 2 10 10 1 10 2 10 3 10 4 11 Connection of the SMA Power Balancer 29 E x emmers een tds 30 C 34 teeth nti abh dei 37 Slot for Communication Interfaces 38 COMMISSIONING s sv xax RETE neen sete ss 40 RESTE TT TO ETT ET 4 Setting the Display Language 42 ID DI pdy rp 43 Opening and Closing 4 Opening the Sunny Mini Central 46 Closing the Sunny Mini 48 Mamenn L res s Vac SUA eden mts 50 Checking Heat Dissipoftion 50 Cleaning he Fais scis sense ted d tbi xU beaktande edet 50 a TM NERONE 5 Cleaning the Handle serverbeheer arta 52 Inspection of the Electronic Solar Switch 55 53 Troubleshooting 54 The Red LED is Continuously On 54 Check PV Generator for Ground 54 Check the f
37. om the use of software developed SMA Solar Technology AG This also applies to the provision or non provision of support activities Supplied software not developed by SMA Solar Technology AG is subject to the respective licensing and liability agreements of the manufacturer SMA Factory Warranty The current guarantee conditions come enclosed with your device These are also available online at www SMA de and can 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 SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de E Mail infoGSMA de 2004 to 2008 SMA Solar Technology AG All rights reserved Installation Guide SMC6 8TLIENO83430 63 SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Tel 49 561 9522 4000 Fax 49 561 9522 4040 E Mail Vertrieb SMA de Freecall 0800 SUNNYBOY
38. pening for mains cable AC Page 22 Cable openings for communication Page 38 Screwing device for shield clamp for communication cable Page 38 Tab for grounding the cable shield with communication Page 38 Connection socket for Electronic Solar Switch ESS DC load disconnection unit Page 26 PV input plug DC Page 26 Varistors Page 56 Connection terminals for communication Page 38 Slot for communication interface Page 38 Installation Guide SMC6 8TLIENO83430 21 Electrical Connection SMA Solar Technology AG 5 2 Connection to the Public Grid AC il Connection requirements of the utility operator Always observe the connection requirements of your utility operator Wire Design The cable cross section should be sized using the Sunny Design design program www SMA de so that output losses do not exceed 1 at nominal power The maximum line length for each cable cross section is shown in the following table Cable cross section Max cable length SMC 60001 SMC 7000TL SMC 8000TL Only use flexible cables Depending on the type of cable installation observe the requirements of the following factors when selecting the cable type cable cross section the ambient temperature type of cable installation and e the UV resistance Cut line losses in half If three Sunny Mini Centrals with symmetrical feeding are combined to form a three phase system the neutral conductor is not subjected
39. plus and minus line in every Sunny Mini Central with wire sleeves and connect them to the plus and minus poles of the terminal block D 5 In order to connect the three Sunny Mini Centrals to each other you must bring together the plus and minus lines of the two other Sunny Mini Centrals on the middle Sunny Mini Central terminal block Installation Guide SMC6 8TLIENO83430 35 Electrical Connection SMA Solar Technology AG Sunny Mini Central 1 Sunny Mini Central 2 Sunny Mini Central 3 PE PE PE PE 0000 0000 t Twisted cable Twisted cable Max 300 m Max 300 m In doing so the cable length between two Sunny Mini Centrals must not exceed 300 m In the middle Sunny Mini Central the one with two wires per terminal plug one of the provided jumpers into the lowest of the slots pictured on the right Or bypass screw terminals A and B with a wire jumper 7 Measure the resistance between the plus and minus pole of the terminal block in this Sunny Mini Central If the resistance is approx 27 8 kOhm 370 Ohm the SMA Power Balancer is properly connected Otherwise check the cabling 8 Close the
40. sconnect from the grid automatically If one of the three Sunny Mini Centrals indicates a device fault and stops feeding in the other two inverters are not affected and continue to feed in at full power For systems with a nominal power output gt 30 kW select this setting in order to realize the required three phase voltage monitoring Grid voltage fault Output 0 W Grid disconnection Output O W Grid disconnection Output W Wm fo 0 0 0 Device fault No reaction No reaction A Output W A Output Pacmax Output Pacmax P Ss ms PES el Installation Guide SMC 8TLIENO83430 SMA Solar Technology AG Electrical Connection PowerGuard If one of the three Sunny Mini Centrals indicates a grid voltage fault or device fault and stops feeding in the other two inverters automatically limit their power to 5 kW over a 10 minute average Select this setting in order to prevent an unbalanced load of over 5 kVA in a group of three Sunny Mini Centrals us ios Output limitation Output limitation Output 5 kVA tput 5 kVA Output
41. sing opening for example by sliding a steel bar through it B diameter max 30 mm 10 2 Packaging If possible always pack the Sunny Mini Central in the original packaging If this is no longer available a similar box can be used which can withstand the weight of the Sunny Mini Central 35 kg has a handle system and can be closed fully 10 3 Storage Store the Sunny Mini Central in a dry place where ambient temperatures are always between 25 C and 60 C 10 4 Disposal Dispose of the Sunny Mini Central at the end of its service life in accordance with the disposal regulations for electronic scrap which apply at the installation site at that time Alternatively send it back to SMA with shipping paid by sender and labeled ZUR ENTSORGUNG for disposal contact see Page 62 58 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Technical Data 11 Technical Data SE 6000TL SMC 7 SMC 8000TL PV generator connection data Max input voltage Upy o 700 V9 based on 10 C cell temperature Input voltage MPP range 333 V 500 V DC EXoW 7200W 8250W Voltage ripple lt 10 of the input voltage Internal consumption during lt 10 W operation 9 The maximum open circuit voltage which can occur at a cell temperature of 10 C may not exceed the maximum input voltage Grid connection data Max Harmonic distortion of output current
42. stallation Guide SMC6 8TLIENO83430 29 Electrical Connection 5 4 1 Configuration SMA Solar Technology AG The SMA Power Balancer is deactivated at the factory using the PowerBalancer parameter parameter setting off and can only be activated and configured using an SMA communication component You will find options available for this in the Sunny Mini Central user manual or on the SMA website www SMA de Request a personal SMA grid guard password from SMA Solar Technology so that you can modify the PowerBalancer parameter contact see Page 62 Configuration Options There are four different configuration options for the PowerBalancer parameter e Off The Power Balancer is deactivated factory setting In the event of a device fault or grid voltage fault at a Sunny Mini Central only this Sunny Mini Central is disconnected from the grid and the other two devices continue to run at an undiminished power level m Pig m Pig Grid voltage fault or device fault No reaction Output Pacmax No reaction Output PACmax Output W s 30 SMC 8TLIENO83430 Installation Guide SMA Solar Technology AG PhaseGuard Electrical Connection If one of the three Sunny Mini Centrals indicates a grid voltage fault and stops feeding in the other two inverters also di
43. the Sunny Mini Central Internal components of the Sunny Mini Central can be irreparably damaged by electrostatic discharge Ground yourself before you touch a component 7 1 Opening the Sunny Mini Central DANGER Danger to life due to high voltages in the Sunny Mini Central Before opening the Sunny Mini Central Switch off the line circuit breaker and secure it to prevent it from being reactivated 1 Remove the Electronic Solar Switch by pulling it downwards and slightly towards the wall DANGER Danger to life due to high voltages in the Sunny Mini Central Safe disconnection from the PV generator is only guaranteed after removal of the Electronic Solar Switch and of all DC plug connectors Remove the DC plug connector immediately to completely disconnect the PV generator from the Sunny Mini Central 46 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Opening and Closing DANGER Danger to life due to high voltages in the Sunny Mini Central The capacitors in the Sunny Mini Central require 5 minutes to discharge Wait 5 minutes before opening the Sunny Mini Central 2 Loosen all six cover screws and pull the cover forward to remove it 3 Use a suitable measuring device on the AC terminal to ensure that there is no voltage present at PE If voltage is found check the installation
44. the unit on plasterboard etc walls as otherwise audible vibrations are likely to result The Sunny Mini Central can make noises when in use which can be seen as a nuisance when installed in a living area 4 1 3 Safety Clearances Observe the following minimum clearances to walls other devices or objects to guarantee sufficient heat dissipation and enough space for pulling the Electronic Solar Switch handle umma amp ke Electronic Solar Switch an il Multiple Sunny Mini Centrals installed in areas with high ambient temperatures The individual Sunny Mini Central units must be far enough apart to ensure that the individual Sunny Mini Central units do not take in the cooling air of the neighboring unit If necessary increase the clearance and ensure that the supply of cool air is sufficient to cool the Sunny Mini Centrals 14 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG 4 1 4 Position DO DOD DOOOO DODOO Vertical installation or tilted backwards by max 15 Never install the device with a forward tilt Do not install horizontally Install at eye level to allow operating modes to be read at all times Installation Guide SMC 8TLIENO83430 Mounting Mounting SMA Solar Technology AG 4 2 Mounting Instructions 1 Position the drill holes with the aid of the wall mounting bracket and drill the
45. to any load and the line losses are halved Thus the maximum possible cable length is doubled 22 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Electrical Connection Load Disconnection Unit The maximal permissible rating is located in the technical data Page 59 WARNING AN Risk of lethal burns When a generator Sunny Mini Central and a consumer are connected to the same line circuit breaker the protective function of the line circuit breaker is no longer guaranteed The current from the Sunny Mini Central and the grid can add up to overcurrent which is not detected by the line circuit breaker e Never connect consumers between the Sunny Boy and the line circuit breaker without protection Always install separate fuses for loads Load disconnection unit Use only line circuit breakers as load disconnection units A screw type fuse element e g D system Diazed or DO system Neozed is not a load disconnection device and thus may not be used as a load disconnection unit Upon disconnection under load the screw type fuse element may be destroyed or its functionality may be inhibited by contact burning It only acts as cable protection Cable Requirements External diameter Wire cross section Connection Procedure 1 Check the grid voltage and compare it with Vac on the type label The exact operating range of the
46. unction of the 5 Decommissioning 58 Disassembly ooann tEn eE STO TTE en 58 eie elo In EEE 58 el EN 58 wenn Baad bedoe et ben 58 Technical Data 59 SMC6 8TL IEN083430 Installation Guide SMA Solar Technology AG Table of Contents 12 Conde 2222 65444 Installation Guide SMC6 8TLIENO83430 5 Table of Contents SMA Solar Technology AG 6 SMC6 8TLIENO83430 Installation Guide SMA Solar Technology AG Notes on this Manual 1 Notes on this Manual 1 1 Validity This installation guide describes the installation and commissioning of SMA inverters of the type Sunny Mini Central 6000TL ZOOOTL and 8000TL 1 2 Target Group Only qualified electricians may install and commission Sunny Mini Central units 1 3 Storage of Manuals All manuals for the Sunny Mini Central and the installed components must be stored with the system documentation and be accessible at all times 1 4 Additional Information You will find further information on special topics such as designing a line circuit breaker or the description of operation parameters in the download area at www SMA de Installation Guide SMC6 8TLIENO83430 Notes on this Manual SMA Solar Technology AG 1 5 Symbols Used The following types of safety instructions and general information appear in this document 1 DANGER
47. y copying of the document for the purposes of evaluating the product or its correct implementation is allowed and does not require permission Exclusion of liability The general terms and conditions of delivery of SMA Solar Technology AG shall apply The content of these documents is continually checked and amended where necessary However discrepancies cannot be excluded No guarantee is made for the completeness of these documents The latest version is available online at www SMA de or from the usual sales channels Guarantee or liability claims for damages of any kind are excluded if they are caused by one or more of the following Damages during transportation Improper or inappropriate use of the product Operating the product in an unintended environment Operating the product whilst ignoring relevant statutory safety regulations in the deployment location Ignoring safety warnings and instructions contained in all documents relevant to the product Operating the product under incorrect safety or protection conditions Altering the product or supplied software without authority The product malfunctions due to operating attached or neighboring devices beyond statutory limit values n case of unforeseen calamity or force majeure The use of supplied software produced by SMA Solar Technology AG is subject to the following conditions SMA Solar Technology AG rejects any liability for direct or indirect damages arising fr
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