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SMA America, LLC

User Manual

SCUS-BE-BUS111113

9

1 Information on this Manual

This document describes the operation, maintenance and failure correction of the Sunny Central
250U, Sunny Central 500U and Sunny Central 500HE-US. This manual does not cover any details
concerning PV modules. Information concerning the PV modules is available from the manufacturer of
the PV modules.

1.1 Target Group

This manual is for the installer, the maintenance personnel and the operator of a Sunny Central 250U,
Sunny Central 500U and Sunny Central 500HE-US. The installer, the maintenance personnel and the
operator of the Sunny Central have to be qualified personnel. Qualified personnel has received
training and has demonstrated skills and knowledge in the construction and operation of the device.
Qualified personnel is trained to deal with the dangers and hazards involved in installing electric
devices.

1.2 Validity

This manual applies for the Sunny Central 250U, Sunny Central 500U, Sunny Central 500HE-US and
Sunny Central 500HE-CA from the BFR firmware version 1.030 and the DSP firmware version 1.030.
In this manual the Sunny Central 250U, Sunny Central 500U, Sunny Central 500HE-US and Sunny
Central 500HE-CA are referred to as "Sunny Central".

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Содержание SUNNY CENTRAL 250U

Страница 1: ...SCUS BE BUS111113 98 4000613 Version 1 3 US Central Inverter SUNNY CENTRAL 250U 500U 500HE US 500HE CA User Manual ...

Страница 2: ......

Страница 3: ...rranties may not apply in all cases under some statutes and thus the above exclusion may not apply Specifications are subject to change without notice Every attempt has been made to make this document complete accurate and up to date Readers are cautioned however that SMA America LLC and SMA Solar Technology Canada Inc reserve the right to make changes without notice and shall not be responsible f...

Страница 4: ...of the Sunny Central you must carefully read and follow all instructions cautions and warnings in this Installation Guide Warnings in this document A Warning describes a hazard to equipment or personnel It calls attention to a procedure or practice which if not correctly performed or adhered to could result in damage to or destruction of part or all of the SMA equipment and or other equipment conn...

Страница 5: ...trical potential differences between its conductors Arc flashes can occur through air when high voltage current flows Do not work on the product during operation Beware of hot surface The product can become hot during operation Do not touch the product during operation Observe the operating instructions Read the documentation of the product before performing any work Follow all safety precautions ...

Страница 6: ...egulations codes and standards applicable in the jurisdiction of installation SMA assumes no responsibility for the compliance or noncompliance with such laws or codes in connection with the installation of the SMA inverter Before installing or using the Sunny Central read all of the instructions cautions and warnings on the Sunny Central the PV array in this Installation Guide and in User Manual ...

Страница 7: ...Central 16 3 4 Firmware 16 3 5 Elements for Sunny Central Operation 17 3 5 1 Sunny Display 17 3 6 Optional Accessories 17 4 Operating the Sunny Display 18 4 1 Functions of the Buttons 18 4 2 Description of Display Symbols 19 4 3 Navigating through the Menu 21 4 4 Switching the display 21 4 5 Menu Overview 22 4 5 1 Description of Menu Items 23 4 6 Changing Date and Time 23 4 6 1 Changing Time 23 4 ...

Страница 8: ...meters 32 7 Error Diagnosis 33 7 1 Diagnosis 34 7 1 1 PV Generator Fault 34 7 1 2 Sunny Central Fault 35 7 1 3 Grid Fault 37 7 1 4 Display Fault 39 7 1 5 Acknowledge Error at the Sunny Display 39 7 1 6 Acknowledge the Error with the Sunny WebBox 40 8 Appendix Glossary 41 9 Contact 44 ...

Страница 9: ...d Sunny Central 500HE US The installer the maintenance personnel and the operator of the Sunny Central have to be qualified personnel Qualified personnel has received training and has demonstrated skills and knowledge in the construction and operation of the device Qualified personnel is trained to deal with the dangers and hazards involved in installing electric devices 1 2 Validity This manual a...

Страница 10: ... safety instructions Follow all operating instructions If problems occur when performing the work described here contact SMA America WARNING Operating a damaged Sunny Central may cause severe injury from electric shock The Sunny Central may only be used when it is technically faultless and safe to operate Operate the Sunny Central only if there are no visible damages Regularly check the Sunny Cent...

Страница 11: ...s energy is then fed to the public grid The Sunny Central is designed for indoor and outdoor installation Principle of a PV Power System with a Sunny Central 250U or Sunny Central 500U Position Description A PV modules B DC distribution with DC fuses e g Sunny Central String Monitor C DC disconnect D Sunny Central E AC fuse F AC disconnect G Public grid A B C D F G E Stop Start ...

Страница 12: ...113 User Manual Principle of a PV Power System with a Sunny Central 500HE US Position Description A PV modules B DC distribution with DC fuses e g Sunny Central String Monitor C DC disconnect D Sunny Central E Transformer F Public grid ...

Страница 13: ...Magnetics Cabinet The Sunny Central s transformer is contained in the Magnetics Cabinet B Control Cabinet The Control Cabinet contains the system control the Sunny Display the stop start switch and the stacks for converting direct current to alternating current C Interface Cabinet All AC DC and data cables are connected in the Interface Cabinet A B C ...

Страница 14: ...ontains the power unit for converting direct current to alternating current B Control and Interface Cabinet All AC DC and communication cables are connected in the control and interface cabinet The control and interface cabinet contains system control Sunny Display stop start switch optional communication devices Position Description A Wall of the Magnetics Cabinet General warnings B Door of the C...

Страница 15: ...tion of the safety instructions on the Sunny Central 500HE US Position Description A Wall of the Magnetics Cabinet General warnings B Door of the Control Cabinet and Interface Cabinet Warning regarding high voltages in the Sunny Central Position Description A Warning regarding high voltages in the Sunny Central B Warning regarding hazardous voltage C Notice regarding operation of the Sunny Central...

Страница 16: ...or a typeplate of the Sunny Central 500U The type plate is located in the Interface Cabinet 3 4 Firmware You can use the display to call up the firmware version of the Sunny Central and of the display see Section 4 7 Display Firmware Version page 24 Position Description A Type description of the Sunny Central B Serial number of the Sunny Central C Date of manufacture ...

Страница 17: ...e processed with Sunny Portal for example Sunny SensorBox The Sunny SensorBox and the sensors enable you to acquire environmental data of your PV power system which are relevant for performance evaluation For this purpose the Sunny SensorBox is equipped as standard with an integrated irradiation sensor and an external module temperature sensor The Sunny SensorBox delivers the sensor data via an RS...

Страница 18: ...eration the pushbutton is backlit red The display indicates the error with a number and a description in the text line Knob The knob can be pressed or turned to the left or the right Turn Moves up and down in the menu Entering values decrease increase Press Open close menu Select cancel function Select value Confirm entry Activation of the background illumination Position Description A Pushbutton ...

Страница 19: ...he grid The display is updated every 5 seconds D Day The energy fed into the grid on this day is displayed here This is the energy generated from the moment the Sunny Central begins to operate to the moment of the reading The display is updated every 5 seconds E Total This displays the total energy which the Sunny Central has fed into the grid during its operating time The display is updated every...

Страница 20: ...rrent This displays the PV voltage and PV current in alternation The display changes between the values every 2 seconds K Event number PV generator If there is a failure in the PV generator an error number will be shown in this position In addition a message in plain text will be shown in the text line position F See Section 7 Error Diagnosis page 33 L Errors This symbol is illuminated if an error...

Страница 21: ... DAY E DAY charts the hours and indicates the maximum power output of the day When no energy is fed into the grid at night for example a gap is inserted in the chart The gap is the same width as a column E HISTORY E HISTORY is the chart of the last 16 days The daily chart displays the energy which the Sunny Central fed into the grid on the respective days Action Procedure Change menu item Turn kno...

Страница 22: ...the Sunny Display is subdivided into two menu items To access the menu proceed as follows 1 Keep the knob and the pushbutton pressed for 2 seconds The Sunny Display changes to the main menu Menu 1st level Menu 2nd level Menu 3rd level Menu 4th level SETTINGS CURRENT TIME TIME SETTINGS SET CURRENT TIME HOUR MIN BACK SET CURRENT DATE YEAR MONTH DAY BACK BACK BACK INFO VERSION BFR VERSION DSP VERSION...

Страница 23: ...e SET CURRENT TIME menu You can set the hours and minutes in this menu HOUR Current hour The time is shown in 12 hour format MIN Current minute 8 Turn the knob until the text line displays HOUR for example 9 Press the knob once The Sunny Display changes to the HOUR menu item SETTINGS In the Settings menu you can adjust the settings on the display e g date and time settings and display the current ...

Страница 24: ...rn the knob until the text line displays the desired year 19 Press the knob once to confirm and save the desired value The Sunny Display springs back to the SET CURRENT DATE menu The value in this case the year is set 20 To set the month and day proceed as described in point 4 Select MONTH or DAY instead of YEAR 4 7 Display Firmware Version You can display the firmware versions of the Sunny Centra...

Страница 25: ...SMA America LLC User Manual SCUS BE BUS111113 25 5 Press the knob once The Sunny Display shows the version number of the operation control unit 6 Press the knob once to spring back one level ...

Страница 26: ... Firmware version of the digital signal processor DSP Firmware 3 Operation control unit boot loader Firmware 4 Digital signal processor boot loader Firmware 5 Version of I O unit GdCtcStt Display of a symbol indicating whether the Sunny Central is feeding into the grid h On h on indicates how long sufficient DC voltage has been applied to the Sunny Central and the Sunny Central has been active inc...

Страница 27: ...is described how this error can be rectified or Telephone receiver the Sunny WebBox shows plain text message Prio_A Contact the SMA Serviceline see section 8 Contact page 39 Qac AC reactive power SerTm Current time in seconds since 01 01 1970 SN_BFS Serial number of BFS TmsRmg Remaining time until the Sunny Central restarts Type Inverter type Vac AC voltage Vpv DC input voltage Name Description ...

Страница 28: ...uency drops below the value given in ChkGdFrqLo the Sunny Central will shut down after the time period given in ChkGdFrqLoT ChkGdFrqLoT 160 300000 ms 160 ms ChkGdFrqMax 60 5 64 5 Hz 60 5 Hz Maximum frequency for Sunny Central operation If the frequency exceeds the value given in ChkGdFrqMax the Sunny Central shuts down immediately ChkGdFrqMin 57 59 8 Hz 57 Hz Minimum frequency for Sunny Central op...

Страница 29: ...ntral with a generator can be obtained from SMA America ChkGnFrqLoT ChkGnFrqMax ChkGnFrqMin ChkGnVtgHi ChkGnVtgLo ChkGnVtgMax ChkGnVtgMin Dt yyyymmdd Current Date Here you can set the current date Ofs_E Total 0 214748364 kWh 0 kWh The Sunny Central s total energy yield Changing the Ofs_E_Total parameter may be necessary if you exchange the computer assembly BFR of the Sunny Central and want to tra...

Страница 30: ...0HE CA Output limit of the Sunny Central The output power of the Sunny Central can be reduced with this parameter PVPwrMinTr 0 1200 kW 10 kW SC250U 20 kW SC500U 20 kW SC500HE US SC500HE CA MPP tracking If the output exceeds the value PVPwrMinTr the Sunny Central will wait for the period of time set in PVPwrMinTrT before it begins to seek the Maximum Power Point PVPwrMinTrT 1 1800 s 600 s PVStrT 1 ...

Страница 31: ...13 31 SpntRemEna Off On On Switching off the Sunny Central With this parameter you can switch off the Sunny Central via the remote access Tm hhmmss Current Time Here you can set the current time Parameter Name Range Default Parameter Description ...

Страница 32: ...ss The Sunny WebBox interface appears in the browser 3 Enter the user or installer password The parameters are displayed depending on the password level 4 Select Sunny Central from the selection list to the left 5 Select the Parameter tab The browser displays the parameter list of the Sunny Central 6 Select and change the desired parameter 7 Go to the bottom of the parameter list and click on Save...

Страница 33: ...be used for diagnosing a fault Example of an Isolation Failure DANGER Even in the case of a fault the Sunny Central can still contain high voltages Risk of death from electric shock All procedures described in this section may only be carried out by qualified personnel All the safety instructions in the installation guide and user manual must be observed when working on the Sunny Central Contact S...

Страница 34: ...igure to the right A With this error number you can narrow down the type of malfunction The table below describes the type of fault its cause and what you can do to rectify the fault No Description 34 Error text DC Overvoltage Cause of fault The voltage of the PV generator is too high Corrective measures Immediately disconnect the PV generator from the Sunny Central The Sunny Central can be damage...

Страница 35: ...V generator is too high Corrective measures Immediately disconnect the PV generator from the Sunny Central The Sunny Central can be damaged by the high input current Check the input current Check module wiring and system design No Description 60 Error text Device Fault Cause of fault Internal fault of the Sunny Central Corrective measures Contact the SMA Serviceline 61 Error text Device Fault Caus...

Страница 36: ...ult Cable break Short circuit Internal fault of the Sunny Central Corrective measures Check the cabling of the temperature sensor Contact the SMA Serviceline 75 Error text Fan failure Cause of fault The ambient temperature is too high Corrective measures Check functionality of fan Clean the fan Clean dirty fan inlets and the ventilation plate 76 Error text Communication failure Cause of fault Inte...

Страница 37: ...Corrective measures Contact the SMA Serviceline 78 Error text Surge voltage arrestor failure Cause of fault Surge error Corrective measures Check surge voltage arrestor 79 Error text Reverse current failure Cause of fault Short circuit in the PV generator Corrective measures Check the PV generator for short circuits No Description 01 Error text Grid fault Cause of fault The grid voltage is too hig...

Страница 38: ...rmitted range Corrective measures Check grid frequency If the grid frequency lies outside the acceptable range because of local grid conditions ask the grid operator if the frequency can be adjusted at the feed in point Check that the external fuses are functional Check that the AC cable is securely connected 08 Error text Grid failure Cause of fault One phase of the grid has failed Corrective mea...

Страница 39: ...ror at the Sunny Central as described in section 7 Error Diagnosis page 33 2 Press the glowing pushbutton once After 2 seconds the error is acknowledged No Description none Error text NO COMMUNICATION Cause of fault The display has received no data for 5 minutes Corrective measures Check communication cable Check supply voltage of the operation control unit BFR Check operating mode of the Display ...

Страница 40: ... as follows 1 Rectify the error at the Sunny Central as described in section 7 Error Diagnosis page 33 1 Open Internet browser 2 Enter the Sunny WebBox IP address The Sunny WebBox interface appears in the browser 3 Enter the installer or user password The parameters are displayed depending on the password level 4 Select Sunny Central from the selection list to the left 5 Select the Parameter tab T...

Страница 41: ...t temperatures Compared with the normal process of completely shutting down the device the negative effect on the external power network is reduced with derating DSP Abbreviation for Digital Signal Processor Energy The energy is measured in Wh watt hours kWh kilowatt hours or MWh megawatt hours The energy is the power calculated over time If for example your Sunny Central operates at a constant ou...

Страница 42: ...en irradiated with sunlight Since the voltage produced by a PV cell is very small approx 0 5 V several PV cells are combined to form a PV module The most common material presently used for PV cells is silicon which is manufactured in different forms monocrystalline polycrystalline amorphous PV Energy System A PV power plant is a power plant in which a portion of the PV irradiation is converted to ...

Страница 43: ... Sunny SensorBox The Sunny SensorBox and the sensors enable you to acquire environmental data of your PV power system which are relevant for performance evaluation For this purpose the Sunny SensorBox is equipped as standard with an integrated irradiation sensor and an external module temperature sensor The Sunny SensorBox delivers the sensor data via an RS485 interface to the SMA communication de...

Страница 44: ... of modules connected Serial number of the Sunny Central Error number of the Sunny Central Display of the Sunny Central SMA Solar Technology America LLC 6020 West Oaks Blvd Ste 300 Rocklin CA 95765 Tel 1 916 625 0870 Tel 1 877 MY SMA TECH Tel 1 877 697 6283 Toll free available for USA Canada and Puerto Rico Fax 1 916 625 0871 Service SMA America com www SMA America com SMA Solar Technology Canada ...

Страница 45: ...SMA America LLC User Manual SCUS BE BUS111113 45 ...

Страница 46: ...SMA America LLC 46 SCUS BE BUS111113 User Manual ...

Страница 47: ......

Страница 48: ...4 NFSJDB 1SPEVDUJPO XXX SMA ANFSJDB DPN ...

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