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SMA

Technologie AG

Inspection of the Electronic Solar Switch

Installation Guide

SBTLHCMS-IEN080411

Page45

9 Inspection of the Electronic Solar Switch

Check the Electronic Solar Switch for wear before plugging it in.
Check if the metal tongues inside the plug show brown discolorations.

The Electronic Solar Switch can no longer safely disconnect the DC side if one of the
metal tongues is completely worn out (see figure below). The Electronic Solar Switch
must then be exchanged.

Replacements for damaged Electronic Solar Switch handles are available from SMA.

Metal tongues

Metal tongues

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Summary of Contents for SB 4200TL HC

Page 1: ...SUNNY BOY 4200TL HC SB 5000TL HC PV Inverter Installation Guide Version 1 1 SBTLHCMS IEN080411 IME SB42 50 TLHC...

Page 2: ......

Page 3: ...dimensions 12 5 Installation Requirements 13 5 1 Installation Site Requirements 13 5 2 PV Generator Requirements 15 5 3 Low voltage Grid AC 16 5 3 1 Line Losses 18 6 Installation 21 6 1 Mounting the...

Page 4: ...Parameter settings for Germany 41 8 4 3 Country specific Parameter Settings 43 8 4 4 Non modifiable Parameters 43 9 Inspection of the Electronic Solar Switch 45 10 Replacing the Varistors 47 11 Ratin...

Page 5: ...document note the following explanation of the symbols used This symbol indicates an example This symbol indicates a notice which if ignored will make the procedure or oper ation more difficult This...

Page 6: ...Explanation of the Symbols Used SMA Technologie AG Page 6 SBTLHCMS IEN080411 Installation Guide...

Page 7: ...type SB 4200TL HC Multi String or Sunny Boy SB 5000TL HC Multi String quickly and correctly The Sunny Boy inverters are equipped with the SMA grid guard This is a type of automatic disconnection devi...

Page 8: ...that all components will operate within the specified operating range The free design tool Sunny Design www SMA de SunnyDesign will help you with this The manufacturer of the modules should have appro...

Page 9: ...AC and DC voltage you must wait approx 30 minutes for the capacitors in the Sunny Boy to discharge Only then is it safe to open the unit by removing the cover You must also make sure that no voltage...

Page 10: ...Safety Instructions SMA Technologie AG Page 10 SBTLHCMS IEN080411 Installation Guide...

Page 11: ...rs section 10 Socket for communication RS232 RS485 NLM Piggy Back Radio section 12 Sunny Display Operating status LEDs Jumper slot for com munication Communications connector Socket for PLC power modu...

Page 12: ...overview SMA Technologie AG Page 12 SBTLHCMS IEN080411 Installation Guide 4 2 External dimensions 225 mm 470 mm 490 mm...

Page 13: ...to direct sunlight An in creased ambient temperature can reduce the yield of the PV system The Sunny Boy is designed to be mounted on a vertical wall If ab solutely necessary however the Sunny Boy ca...

Page 14: ...ises when in use which can in the domestic setting be seen as a nuisance Caution high voltage Unintentionally pulling out the DC plug connector under load can damage the plug and result in bodily inju...

Page 15: ...ted to String A Sunny Design helps you design the system and check string size taking the relevant inverter into consideration Further information on Sunny Design is available at www SMA de The unit h...

Page 16: ...the local grid operator must be followed The connection terminals of the Sunny Boy are suit able for wire cross sections of up to 10 mm The ex ternal diameter of the cable must be between 9 mm and 17...

Page 17: ...of the circuit breaker Sufficient distance between the circuit breakers so as to avoid undue heating heat can trigger the circuit breakers early Selectivity Protection class of the connected load VDE...

Page 18: ...edance observation In addition we recommend dimensioning the conductor cross section so that line losses do not exceed 1 at the nominal power Line losses depending on the cable length and cross sectio...

Page 19: ...N080411 Page19 Sunny Boy SB 5000TL HC Multi String The maximum cable lengths for the different cable cross sections are as follows Cable cross section 6 0 mm 8 0 mm 10 0 mm Max length 19 m 26 m 32 m D...

Page 20: ...0126 1 1 47 55 Hz 50 2Hz Voltage range extended operating range 180V 260 V Frequency range extended operating range 45 5 Hz 52 5Hz a The Sunny Boy can temporarily feed power into the grid with a maxim...

Page 21: ...walls for example you can fit the bracket using 8 mm x 50 mm hexagon bolts to DIN 571 standard stainless steel type and with wall plugs type SX10 When selecting the mounting materials be sure to take...

Page 22: ...t be moved sideways 3 Fix the Sunny Boy onto its bracket by screwing the supplied M6x10 bolt into the central thread ed hole at the bottom of the bracket 3 4 Make sure that the Sunny Boy is positioned...

Page 23: ...Guide SBTLHCMS IEN080411 Page23 View from below Plug and socket connector for connection of the solar modules Socket for the Electronic Solar Switch AC plug for mains connection Opening for optional...

Page 24: ...of 253 V That means if the grid voltage is constantly 254 V e g the inverter disconnects itself from the grid In this case contact the local grid operator for assistance DIN VDE 0126 1 1 only applies...

Page 25: ...ith the earth sign Notice A normal operation of your Sunny Boy requires among other things con necting the PE conductor to the equipotential bonding of the building Please check the prescribed PE conn...

Page 26: ...angerous high voltages may be present Danger of death 3 Taking one DC plug connector at a time mea sure the direct current voltage between one DC plug connector of a string and earth potential 4 If th...

Page 27: ...se the unnecessary DC input sockets with the caps included in the delivery 8 Attach the handle of the Electronic Solar Switch Notice The Electronic Solar Switch can become damaged if it has not been a...

Page 28: ...assistance If despite checking the string voltages the LED signal occurs again when the PV gener ator is connected to the SUnny Boy disconnect the PV generator from the Sunny Boy again and contact SM...

Page 29: ...on Flashes quickly 3 x per second Is not illuminated Is not illuminated OK stop Illuminates continu ously Is not illuminated Disturbance Flashes slowly 1x per second Is not illuminated Is not illumina...

Page 30: ...Installation SMA Technologie AG Page 30 SBTLHCMS IEN080411 Installation Guide...

Page 31: ...from the Sunny Boy in order to completely dis connect the PV generator from the Sunny Boy 4 Wait 30 minutes 5 Remove the four screws from the enclosure cover and pull the cover forward smoothly Remov...

Page 32: ...as described in chapter 9 Inspection of the Electronic Solar Switch Page 45 4 Firmly insert the handle into the socket of the Electronic Solar Switch s in the bottom of the Sunny Boy 5 Switch the line...

Page 33: ...nput voltage UDC max 750 V a Input voltage MPP range UPV 125V 750 V Max input current IPV max 11 A for each input area String A and String B Max input power PDC 4400 W 5300 W Voltage ripple Upp 10 of...

Page 34: ...ental frequency cos phi 1 at nominal power output Overvoltage category III Test voltage 50 Hz 1 65 kV 1 s routine testing 5 s type testing Test surge voltage 4 kV 1 2 50 ms serial interface 6 kV Inter...

Page 35: ...connector ESS optional Overvoltage protection Thermally monitored varistors Personal protection Ground fault monitoring Riso 1 MOhm Reverse polarity protection Via short circuit diode Protective func...

Page 36: ...0TL HC Multi String The efficiency of the Sunny Boy SB 4200TL HC depends greatly on the input voltage of the connected PV strings The higher the input voltage the higher the efficiency Efficiency Max...

Page 37: ...TL HC Multi String The efficiency of the Sunny Boy SB 5000TL HC depends greatly on the input voltage of the connected PV strings The higher the input voltage the higher the efficiency Efficiency Max e...

Page 38: ...exceed 253 V If the average over 10 minutes exceeds the threshold value of 253 V the inverter disconnects itself from the grid Once the average over 10 minutes returns to a value of less than 253 V t...

Page 39: ...he grid E_Total Total energy yield for the inverter This change may be neces sary when you exchange the Sunny Boy and want to use the data from the old device Fac delta Maximum frequency above Fac del...

Page 40: ...v Ripple Ctl Rcvr parameters are intended to handle ripple control signals from the SMA inverters These parameters are not available for all inverters These pa rameters may only be changed after prior...

Page 41: ...g power into the mains supply Usoll Konst A PV desired voltage for constant operational voltage These pa rameters are only important when the Betriebsart parameter is set to U konst Usoll Konst B Name...

Page 42: ...ne T Start s 2 300 2 Uac Min V 160 230 198 Uac Max V 230 300 260 Usoll Konst A V 0 750 290 Usoll Konst B V 0 750 290 Parameters designated with are safety related grid monitoring parameters To change...

Page 43: ...rs The following parameters are displayed in the parameter list but cannot be changed Name Short descr Country settings Germany Italy Great Britain Default GER VDE0126 1 1 IT GB dFac Max Hz s 4 0 0 20...

Page 44: ...Technical Data SMA Technologie AG Page 44 SBTLHCMS IEN080411 Installation Guide...

Page 45: ...r before plugging it in Check if the metal tongues inside the plug show brown discolorations The Electronic Solar Switch can no longer safely disconnect the DC side if one of the metal tongues is comp...

Page 46: ...Inspection of the Electronic Solar Switch SMA Technologie AG Page 46 SBTLHCMS IEN080411 Installation Guide...

Page 47: ...f the green LED is permanently lit at the same time 1 Disconnect the Sunny Boy from the low voltage grid switch the line circuit breaker to its off po sition Make sure the grid cannot be inadvert entl...

Page 48: ...ns Page 9 7 Remove the screws that secure the cover and remove the cover from the Sunny Boy Disconnect the PE connection from the cover Make sure that no voltage is present 8 Using a continuity tester...

Page 49: ...should be obtained as soon as possible In sys tems with a high risk of overvoltages the Sunny Boy should not be operated without varistors 12 Connect up the faultless PV generator strings to the inve...

Page 50: ...ault and no defective varistor were found there is probably a fault in the Sunny Boy In this case contact the SMA Service Line to discuss what to do next 15 Switch the line circuit breaker to the on p...

Page 51: ...ting a line circuit breaker The maximum possible nominal current for the cable used and the maximum pos sible fuse protection for the inverter now limit the maximum possible nominal cur rent for the l...

Page 52: ...the maximum output cur rent of the inverter used It will trip under rated operating conditions In this case one solution would be to ensure there is an 8 mm gap between the circuit breakers This woul...

Page 53: ...ection 12 2 Powerline Connection Page 56 The detailed wiring diagram for the individual communications interfaces can be found in the communication device manual This wiring diagram includes the follo...

Page 54: ...s The interface is not to be operated with out this silicone tube with the exception of the Radio Piggy Back 6 Lay the cable in area B as shown in the figure to the right 7 Ground the cable shield at...

Page 55: ...ions interface to the left of the board F 11 Close the Sunny Boy as described in section 7 2 12 1 1 Jumper Functions A detailed description of the jumper functions can be found in the communication de...

Page 56: ...ction 3 Electrostatic discharges are an acute danger to the Sunny Boy and to the commu nications interface Ground yourself by touching PE before removing the commu nications interface from the packagi...

Page 57: ...Communications Interface Installation Guide SBTLHCMS IEN080411 Page57 1 Open the inverter as described in section 7 1 2 Press the lockings at the sides of the plug connector and remove them as display...

Page 58: ...rt G of the PLC power module in the socket as seen in the figure the rightmost It must snap into place 5 Then place the PLC power module H in the socket as seen in the figure The PLC power module must...

Page 59: ...S IEN080411 Page59 Note on the Different PLC Power Module Variants Different variants of the PLC power module may be delivered The modules only differ in the location of the sockets for the plug conne...

Page 60: ...The Communications Interface SMA Technologie AG Page 60 SBTLHCMS IEN080411 Installation Guide...

Page 61: ...he SMA Service Line Have the following information available when you contact SMA Inverter type Type and number of modules connected Communication Serial number of the Sunny Boy Blink code or display...

Page 62: ...rotection conditions Altering the product or supplied software without authority The product malfunctions due to operating attached or neighboring devices beyond statutory limit values In case of unfo...

Page 63: ......

Page 64: ...A Technologie AG Hannoversche Strasse 1 5 34266 Niestetal Germany Tel 49 561 9522 4000 Fax 49 561 9522 4040 E Mail Info SMA de Freecall 800 SUNNYBOY Freecall 800 78669269 Innovation in Systems Technol...

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