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Sunny Boy 2500U

Installation and Operator’s Manual

SB2500U-11:NE

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12

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SMA Regelsysteme GmbH

2.3 Electric Connection

The electric connection of the Sunny Boy can be done once the device is correctly

mounted in its position.

Fig. 2.4:

Simplified electrical wiring diagram of the PV-system

Fig.

2.5:

Underside view of the Sunny Boy

DC- Connection

AC- Connection

GFDI-Fuse

Communication-

Connection

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Содержание MyGen 1500

Страница 1: ...SB2500U 11 NE3801 Grid Tied String Inverter for Photovoltaic Systems Issue 1 2 Installation and Operator s Manual Sunny Boy SWR 2500U...

Страница 2: ...Sunny Boy 2500U Installation and Operator s Manual SB2500U 11 NE 2 SMA Regelsysteme GmbH...

Страница 3: ...ng safety symbols have been placed throughout this technical description to indicate dangerous conditions and im portant safety instructions WARNING This indicates a fact or feature very important for...

Страница 4: ...tions and cautionary markings in the technical description and on the Sunny Boy and the PV array Connecting the Sunny Boy to the electrical utility grid must only be done after receiving prior approva...

Страница 5: ...3 2 Connection to Electrical Utility Grid 16 3 Commissioning 20 4 Operation and Failure Indication LEDs 24 4 1 Operation Indicator 27 4 2 Ground Fault Indicator 30 4 3 Failure Indication 31 4 4 Openi...

Страница 6: ...ection to the electricity grid in the house distribution Here the electricity from the PV modules provides all consumers with electric power household devices lights etc In case that not enough power...

Страница 7: ...amages The Sunny Boy inverters are thoroughly checked before they are shipped Even though they are delivered in a sturdy packaging which can be recycled the inverters can be damaged which is the forwa...

Страница 8: ...while the PV plant is designed In the following you will find a summary of the most important criteria Criteria for device mounting Due to the high protection class NEMA 4X of the enclosure the instal...

Страница 9: ...e NEC Section 690 64 b 2 Do not expose the string inverter to direct sunlight if necessary in stall a shading roof A minimum distance of 8 inch 200 mm must be clear above the in verter for ventilation...

Страница 10: ...e Sunny Boy 434 50 mm Drilling Template for the Sunny Boy 2000 2500 3000 63 50 mm position of the holes on the top for 6 mm screws bottom hole 6 mm diam distance between the holes on the top 217 50 mm...

Страница 11: ...screws Use a plastic washer in order to avoid scratching the paint Fig 2 3 Side view of the mounting to wall Metal straps for mounting The top straps take the load the bottom is screwed down in order...

Страница 12: ...3 Electric Connection The electric connection of the Sunny Boy can be done once the device is correctly mounted in its position Fig 2 4 Simplified electrical wiring diagram of the PV system Fig 2 5 Un...

Страница 13: ...sizes up to 10 AWG 5 26 mm 2 are ac cepted by the AC and DC terminals on the printed circuit board WARNING The connection of the Sunny Boy to the DC voltage from the PV string and the AC voltage of th...

Страница 14: ...of the Sunny Boy 2500U You now have the opened Sunny Boy in front of you see Fig 2 7 and can see the position of components and clamps relevant for you You will find The internal grid fuse WARNING A...

Страница 15: ...Sunny Boy 2500U Installation and Operator s Manual SB2500U 11 NE 15 SMA Regelsysteme GmbH Fig 2 7 Interior of the Sunny Boy 2500U DC Connection Place for Piggy Back Resistors Grid Fuse AC Connection...

Страница 16: ...n point should be as low as possible to avoid an increase of the AC voltage to non permissible values while the Sunny Boy feeds to the grid This also results in a higher system efficiency EXAMPLE The...

Страница 17: ...ting on the inside of the Sunny Boy with the nut Pull the wires through the conduit into the interior of the Sunny Boy Connect the wire L1 to the terminal labeled L in the Sunny Boy see Fig 2 8 Connec...

Страница 18: ...type of PV module used it is possible to connect one single string or several parallel strings Therefore there are three connections for both the and the pole Within the device these connections are c...

Страница 19: ...nut Do the same at the DC dis connect enclosure Ensure all circuit breakers in the DC disconnect enclosure are in the OFF position Route the wires from the DC disconnect enclosure through the conduit...

Страница 20: ...bottom are closed with the seals When putting the lid on make sure the seal in the inner side of the lid is placed correctly When screwing the inner screws make sure that the thread in the Sunny Boy...

Страница 21: ...isconnect enclosure Now the Sunny Boy is supplied with the DC voltage and starts to operate If the PV panel is isolated from earth first the yellow and red LEDs and after approx 20 seconds only the re...

Страница 22: ...laced You will find a description of the correct type in chapter 4 2 Fig 3 1 Diagram of commissioning Switch DC ON and wait 20 seconds Green LED blinking Remove GFDI Fuse Insert GFDI Fuse Only Red LED...

Страница 23: ...internal consumption which it takes from the PV panel If you measure the voltage of the PV modules you must keep in mind the inverter s internal consumption that will have an effect on your measureme...

Страница 24: ...he user does not notice The user can obtain the inverter s operating status from the 3 integrated LEDs on the lid see Table 4 1 Operation indication overview The green LED Operation describes the curr...

Страница 25: ...rth Fault St rung Failure Photovoltaik Stringwechselrichter Photovoltaic string inverter SWR 2500 Fig 4 1 Front view of Sunny Boy 2500U Description of the symbols used in the following section LED off...

Страница 26: ...ions are being checked green red yellow feeding grid MPP or constant voltage mode normal operation green red yellow derating mode Reduction of power fed to the grid due to in creased temperature of th...

Страница 27: ...e on The Sunny Boy control system is initializing The string voltage to the inverter is between approx 120 V and 240 V The supply is suf ficient for the system control and not quite sufficient for fee...

Страница 28: ...by the user with the Sunny Boy Control or the program Sunny Data The Sunny Boy remains in this condition until set to MPP Operation or Constant Voltage Operation Waiting Grid Monitoring Green LED bli...

Страница 29: ...he PV modules to the voltage with the maximum output power Constant Voltage operation The voltage from the PV modules can be set to a fixed value This value is transmit ted to the Sunny Boy with the S...

Страница 30: ...se have a look at chapter 3 First switching on If the ground fault of the PV panel is removed the inverter switches from permanent de vice disable to GFDI Fuse open failure and the yellow LED is off T...

Страница 31: ...The yellow failure LED is permanently on This is a failure of the utility monitoring or the automatic disconnection device MSD The Sunny Boy has detected a failure in the disconnection device and has...

Страница 32: ...ailure which has one of the following reasons Low grid voltage VAC min see table 9 2 High grid voltage VAC max see table 9 2 Low grid frequency fAC min see table 9 2 High grid frequency fAC max see ta...

Страница 33: ...imes The code is sent three times If the failure persists the indication begins once again The Sunny Boy has detected a failure based on the utility impedance values The criteria for the grid impedanc...

Страница 34: ...D is activated for 5 seconds is out for 3 seconds and then blinks four times The code is sent three times If the failure persists the indication is repeated The input voltage is too high The PV panels...

Страница 35: ...t Failure The yellow failure indication LED is activated for 5 seconds is out for 3 seconds and then blinks five times The code is sent three times If the failure persists the indication is repeated T...

Страница 36: ...ons are for use by qualified personnel only To reduce the risk of electric shock do not perform any sevicing other than specified in this technical description unless you are qualified to do so When w...

Страница 37: ...Fig 2 7 and can see the posi tion of components and clamps relevant for you You will find The internal grid fuse WARNING For continued protection against risk of fire replace only with same types and...

Страница 38: ...n conditions the enclosure type NEMA 4X cannot be guaranteed any more When mounting the Sunny Boy outside moisture can get into the device and damage the electronics WARNING Make sure that the lid of...

Страница 39: ...e considerable harm to people Only a qualified elec trician may work on the device especially open it While upgrading the Sunny Boy interface the operator can get into touch both with elec tronic comp...

Страница 40: ...desired piggy back module onto the required slot When plugging on the piggy back please make sure no socket of the piggy back plug in contacts remains open Connect the cables for RS232 or RS485 No ca...

Страница 41: ...ut voltage of the Vpv control Iac current to the grid Vac grid voltage Fac grid frequency Pac power fed to grid Zac grid impedance Vpv _PE PV voltage to earth Ipv current from PV panels E Total energy...

Страница 42: ...tage F MSD FAC different values between BFR and SRR for grid frequency F MSD Meas different values between BFR and SRR for dI Fac Vac or Zac F K1 Close Relay test failed F K1 Open Relay test failed F...

Страница 43: ...accuracy resulting from these dif ferent temperatures Unit Range Resolution Maximal fail ure Display Measurement U 77 F input voltage UPV V 0 650 V 1 V 1 12 V 2 input current IPV mA 0 12000 mA 1 mA 12...

Страница 44: ...conduct the following steps in case your PV plant does not operate correctly check the connection to the grid and to the PV panels pay attention to all safety measures listed in chapter 2 Installation...

Страница 45: ...ntrol or a PC with Sunny Data is present What failure is indi cated Can you reproduce the failure How can you reproduce it Has this failure always occurred What were the ambient conditions as the fail...

Страница 46: ...nal warranty period for the delivered item Evidence SMA will only render warranty services if the rejected device is sent back to SMA together with a copy of the account the distributor has issued for...

Страница 47: ...e g industrial power supply grids or in the neighborhood of irregular consumers unshielded motors switching power supplies converters etc Further more the simultaneous operation of babyphones may lead...

Страница 48: ...at its lowest point Therefore it has to take into account the lowest possible ambient temperature of the PV panel when planning the PV plant Based on this temperature and knowing the type of PV modul...

Страница 49: ...the PV panel Therefore the Sunny Boy has a flexible MPP voltage range There is a fixed ratio between the minimum MPP voltage VMPP min the Sunny Boy loads onto the PV panel and the grid voltage VAC as...

Страница 50: ...234 V 550 V DC Max open circuit voltage under all conditions VPVOC 600 V DC Max input current IPV 13 A DC Max DC power PPV 2710 W DC Recommended PV panel power up to 3000 WP Voltage ripple VPP 10 All...

Страница 51: ...AC 0 5 P ACnom Phase shift ref fundamental 0 Utility monitoring Islanding protection V AC f AC in accordance with UL 1741 Ground Fault Protection IDIF in accordance with UL1741 All pole disconnection...

Страница 52: ...ity 0 100 class 3K6 Size Weight Enclosure type NEMA 4X Size w x h x d 17 08 x 11 61 x 8 42inch 434 x 295 x 214 mm Weight 70 lb 32 kg Certifications EMI in compliance with FCC regulations DIN EN 50081...

Страница 53: ...SMA Regelsysteme GmbH 12 0 2 0 4 0 6 0 8 0 10 0 250 300 350 400 450 500 550 600 I A PV U A P V Fig 7 2 Maximal Input Current of the Sunny Boy 2500U 3000 500 1000 1500 2000 2500 250 300 350 400 450 500...

Страница 54: ...n and Operator s Manual SB2500U 11 NE 54 SMA Regelsysteme GmbH 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 00 0 25 0 50 0 75 1 00 1 25 1 50 1 75 2 00 2 25 2 50 PAC kW efficiency P AC P DC Fig 7 4 Effici...

Страница 55: ...6 V Const Setval V 250 600 600 Installer Plimit W 2500 Fixed 23 Testcurrent Zac MA 0 15000 8000 Installer 28 Vac Min V 180 300 213 Installer 29 Vac Max V 180 300 262 Installer 30 Fac delta Hz 0 4 5 0...

Страница 56: ...Sunny Boy 2500U Installation and Operator s Manual SB2500U 11 NE 56 SMA Regelsysteme GmbH 8 Appendix Certificate for Sunny Boy 2500U Underwriters Laboratories Listing Document dated 8 May 2001...

Страница 57: ...Sunny Boy 2500U Installation and Operator s Manual SB2500U 11 NE 57 SMA Regelsysteme GmbH...

Страница 58: ...ta User Manual Sunny Data Control User Manual Sunny Boy Control User Manual SWR COM Socket Powerline Modem Sunny Boy Info periodical newsletter with up to date information SMA CD products technical do...

Страница 59: ...aily and offers the newest information concerning the Sunny Boy inverter family the newest software help concerning problems with your PV plant and of course all you might want to know about SMA Regel...

Страница 60: ...95 Telefax 530 274 7271 eMail info sma america com Internet http www sma america com SMA in Europe Address SMA Regelsysteme GmbH Hannoversche Stra e 1 5 D 34266 Niestetal Telephone 0049 561 9522 0 ope...

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