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        User Manual-EN-SG30KTL_SG30KTL-M-Ver12
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1.                                                                                                                                                                                                                                                                PENR S T                   S                                                                                                                                                                                                                            noooooonnono a G  8   gt     Front View of Connection  Cabinet  L L 11  WO P PSP 2  CP9  P i00 O    r  g o   e de 9500 10   1  q p  Bottom View of Connection  C Cabinet 4  Fig  6 2 Connection Cabinet Description  No  Description No  Description  1 DC switch 7 Second PE terminal  2 Pinth DIDE SPDS  SUTE Protection 8 DC connection circuit board  Devices   3 Configuration circuit board 9 PV input terminals  4 Cooling Fan 10 Communication cable glands  5 AC connection circuit board 11 AC cable gland  6 AC connection terminal block and PE  terminal   SUNGROW    29    6 Electrical Connection User Manual    6 3 Connecting Inverter to AC Grid    6 3 1 AC Side Requirements    D Only after receiving prior approval from the local grid company as  required  should you connect the inverter to the grid     Prior to connecting to the utility grid  verify whether the grid voltage and frequency  are within the range of inverter output parameters  referred to    Appendix      Otherwise consult local 
2.                  Item Description   1 SUNGROW logo and product type   2 Technical data of inverter   3 Marks of certification institutions of inverter  4 Company name  website and origin       Tab  4 1 Description of Icons on the Nameplate       Icon Description  P   A Don t dispose of the inverter with the household waste        Refer to the corresponding instructions        TUV mark of conformity   The inverter is in compliance with directives of TUV     CE mark of conformity   The inverter is in compliance with directives of CE              SUNGROW 17    4 Unpacking and Storage    User Manual    4 3 Delivery Contents                                        a  Fig  4 3 Delivery Contents  Item Name Description  A Inverter unit      B Backplate It is used for mounting inverter onto the wall   C Inverter cap It is for inverter   s better weather proof function   Documents include quality certificate  packing list  product  D Documents test report  quick installation guide and inverter user  manual   E Expansion Six units  It is used for fastening backplate onto concrete  bolts wall   F Fastener set Six units  It is used for fastening backplate onto metal frame   G Fix screws 2 M4x 16 screws for fix the inverter to the backplate   4 DC Ten pairs  PV input cables must be equipped with the  connectors connector        18    SUNGROW    User Manual 4 Unpacking and Storage    4 4 Storage of Inverter    Where the inverter may not be installed immediately or inverter needs to be stored
3.                 Fault  Description Troubleshootin  Code p g  The PV configuration 1  Disconnect inverter   mode set on the display 2  Re select PV configuration mode and  0047 is not in accordance with re connect PV strings  For more detailed  the configuration in the information please refer to    6 4 Connecting  connection cabinet  Inverter to PV Arrays      0048 Phase R current sampling  channel fault     Bice Gen eamiclia 1  Wait a moment for inverter recovery   0049 ping 2  If the fault occurs repeatedly  contact  channel fault     Sungrow Service Dept    Phase T current sampling  0050  channel fault   1  Wait a moment for inverter recovery   Hardware Overvoltage   0051 i 2  If the fault occurs repeatedly  contact  Overcurrent protection  Sungrow Service Dept    0070 aT detective  ao inverter and remove the broken  0072 Fault with DC SPD It is necessary to replace the DC SPD  Contact  Sungrow Service Dept    0073 pice kas klownout Disconnect inverter and replace the fuses   Contact Sungrow Service Dept    A fault has occurred in the internal  0074 Communication fault of communication of the inverter  However  the  LCD inverter continues feeding into the grid   Contact Sungrow Service Dept    CE   Wait for higher irradiation   Solar irradiation is not     E ae  a   If this recurs at medium irradiation  check the  0075 sufficient for inverter   i    PV system design and correct the connection  operation     of PV inputs   0076 PV1 overload Check the PV system design and co
4.                Main Screen   Press ENTER    Menu  Press Y      His record   Press ENTER  Press  Vv      Fit record   Press ENTER      Inverter shows fault record pages  Scroll pages by    pressing Vv     i    SUNGROW       Flt record P 1 2       1 gt  12 01 31 10 16 10  0008   2 gt  12 01 31 10 16 10  0008   3 gt  12 01 31 10 16 10  0008   4 gt  12 01 31 10 16 10  0008   5 gt  12 01 31 10 16 10  0040        The inverter can only store at most 10 latest fault records     71    10 Operation of LCD Display User Manual    10 7 Start and Stop Inverter    Main Screen   Press ENTER   Menu   Press Y x2      Start Stop   Press ENTER                              Press V to choose    Start     Stop     Start Stop ley  and press ENTER to confirm the     gt  Start Start  choice   Stop  gt  Stop  Press ENTER to confirm   Confirm start the Confirm stop the  inverter  inverter                    10 8 Input Parameter Settings Password    The parameter settings are protected by the password  If you want to set the  inverter   s parameters  you have to input the correct password     1  Press ENTER to enter into    Menu    screen     De Press v to move the cursor to    Set param    menu item and confirm by  pressing ENTER        3  A password confirmation screen will occur  Press      Set Param   gt  to move cursor right and Press v to input the  password 111111        Password     000000             4  Press ENTER to confirm the password and  enter _ Set param  the    Set param    sub menu   gt
5.     IP65   Fans  IP55        Night power consumption     lt 1W       Operating ambient temperature range     25     60  C   gt 45  C derating        Allowable relative humidity range    0   95   no condensing       Cooling method    Smart forced air cooling       Max  operating altitude    4000m   gt 2000m derating        Display    Graphic LCD       Communication    RS485  RJ45 connector              Certification    VDE0126 1 1  EN62109 1  EN62109 2   G59 2  CEI 021  AS NZS 3100  AS4777 2   AS4777 3  VDE AR N 4105  BDEW                    CGC SOLAR   Mechanical Data  Dimensions  WxHxD  634x820 257mm  Mounting method Wall bracket  Weight 65kg       11 2 Terminals and Cables             i   Recommended  Terminal Type Conductor size    conductor size  PGA29L 27  AC terminal Phoenix Spring 8AWG   5AWG 7AWG  terminal block 8    16mm  10 mm   PLH 16  5 15  MC4  DC terminals   PV KST4 6II UR Fe ill 11AWG  4   6mm 4mm    PV KBT4 6ll UR                         RS485Comm  Pre Twist pair type cable  terminals lee Twist pair type shielding Ethernet cable  Second PE i 10AWG   8AWG 9AWG  terminal 6mm  6mm   90 SUNGROW          11 3 Exclusion of Liability    The content of these documents is periodically checked and revised  please contact  us or check our website www sungrowpower com for the latest information   Discrepancies cannot be excluded  No guarantee is made for the completeness of  these documents  Please contact our company or distributors to get the latest  version     Guarant
6.    Sys param  Run param  Pro param  Com param             72 SUNGROW    User Manual 10 Operation of LCD Display    10 9 System Parameters Setting    10 9 1 Language Setting    The inverter supports five languages  English  German  French  Italian and Chinese   Language can be configured as the following indication   Main Screen Press ENTER     Menu screen Press x3      Set param Press    ENTER      Enter password Press ENTER      Sys param Press ENTER    gt   Language Press ENTER           Press Y to select language as you prefer and confirm it  Languages   by pressing ENTER     English  O Deutsch  O Francaise  O Italia  O WX          10 9 2 Time Setting    If there is deviation between the time on inverter main screen and your local time   you should perform the operation time setting  Otherwise the inverter data logging  will fail  Clock is 24 hour format   Main Screen Press ENTER    Menu screen Press Y x3    Set param Press ENTER      Enter password Press ENTER    Sys param Press ENTER  Press v    Time Press       ENTER   On the    Time    screen  Press  gt  to move the cursor Time  right and Press Y to set the correct date and time  Format  YY MM DD    Confirm settings by pressing ENTER     Date  12 01 31    Time  10 30 55       10 9 3 Energy Deviation Adjustment    If the accumulative value of    E total    in the inverter is different from the value in the  external metering device  you should adjust the    Energy adj    setting     Main Screen Press ENTER    Menu scree
7.   00 00s    00  00Hz    00 00s        gt        I Min F rete  I Min F tempo  II Min F rete    II Min F tempo    00 00Hz    00 00s    00 00Hz    00 00s          87                                                                      10 Operation of LCD Display User Manual  Tab 10 11    IT    Stage II Protective Parameters Explanation   Parameter Explanation   Max V  prote Over voltage protection   I  Max V  rete Stage I Grid over voltage   I  Max V  tempo Stage I Grid over voltage tripping time   I  Max V  rete Stage II Grid over voltage   I  Max V  tempo Stage II Grid over voltage tripping time   Min V  prote Under voltage protection   I  Min V  rete Stage I Grid under voltage   I  Min  V  tempo Stage I Grid under  voltage tripping time   I  Min  V  rete Stage I Grid under  voltage   I  Min  V  tempo Stage II Grid under  voltage tripping time   Max F  prote Over frequency protection   I  Max F  rete Stage I Grid over frequency   I  Max F  tempo Stage I Grid over frequency tripping time   I  Max F  rete Stage II Grid over frequency   I  Max F  tempo Stage II Grid over frequency tripping time   Min F  prote Under frequency protection   I  Min F  rete Stage I Grid under frequency   I  Min  F  tempo Stage I Grid under frequency tripping time   I  Min  F  rete Stage I Grid under frequency   IT Min  F  tempo Stage II Grid under frequency tripping time  88 SUNGROW       11 Appendix                                                                         11 1 Technical Data  Parameter
8.   to decrease one step value                                            settings  Q  S A    Italy    Q P     Mode  The power factor changes with the output power of the  Run param Q P  P3 3  inverter   gt  PA 020 0   Select Q P  mode and Press w to enter into the n     Run para Q P     sub menu  anes j pii  Press Y to navigate the cursor  Press  gt  to enter into the Uin 108  6   editing mode  then the selected parameter will be shaded   iut 100 0   Press Vv to increase one step value  Press  gt to decrease  one step value   Press ENTER to confirm the setting and exit from the  editing mode   Tab  10 7 Italy    Q P     Mode Parameters Explanation  Parameter Explanation Default Range Step  PA  Active power at point A  in    20  20    100  1   PR  Active power at point B  in    50  20    100  1   PC  Active power at point C  in    100  20     100  1   Pf max Power factor at point C 0 9 0 9   1 0 01  Enter into the Q P  regulation  Uin   mode when the grid voltage is 105  100    110  1   above Uin  Exit from the Q P  regulation  Uout   mode when the grid voltage is 100  90    100  1   below Uout   PA  lt  PB lt  PC    Uin  gt  Uout  84 SUNGROW                                                              User Manual 10 Operation of LCD Display  cos                Default Curve  I Deviation  P Pn  ZZ No adjustment  cose     0 98  0 9 0 95       e      That depends on the capacity of the inverter   Fig  10 6 Reactive Power Regulation Curve in    IT    Q P  Mode   Italy    Q U     M
9.   under certain condition  store the unit as the following indications     The unit must be packed into original carton and desiccant must be put inside  If  the original packaging is not available  an equivalent carton which is able to  support the unit weight and size can be used     The packing should be sealed by adhesive tape     The unit must be stored in a clean and dry place to protect against dust and  moisture     The storage temperature should be always between  25  C and 60  C  And the  storage relative humidity should be always 0 and 95    The recommended number of stack layers is not more than 4     It is very important to keep the packing away from chemicals  Otherwise it will  lead to corrosion     During the storage time  periodically check any visible damage by rats and other  rodents  Replace the packaging if necessary     The packaging should be kept upright     After long term storage  local installer or service dept  of Sungrow should  perform a comprehensive test before connecting the inverter into PV power  system     SUNGROW 19       5 Installing Inverter onto Wall    5 1 Selecting Installation Location    Selecting an optimal installation location for the inverter is decisive for its operating  safety as well as its expected efficiency and service life        Take the load capacity of the wall into account  The wall  such as concrete wall  and metal structure  should be strong enough to hold the weight of the inverter  over a long period of time     
10.  10 Stage I Protective Parameter Explanation   Parameter Explanation Parameter Explanation   Max V grid Grid over voltage value Max Fgrid Grid over frequency value             Gri nder fr n  Min V grid Grid under voltage value Min F grid pi uneg a             IT    Stage ll    o    Protective Parameter       may differ from that in other menus     Proceed as follows to perform the parameter settings     Switching Mode       Editing Mode    The button functions for Italy Stage IL parameter setting sub menus          Shortly press    to navigate  gt      Shortly press    gt              Long press    to turn page     Long press    or                      Select    Pro stage II    and Press v to    enter into the sub menus    Press Vv to navigate the cursor  Press  gt   to enter into the editing mode  then the  selected parameter will be shaded   Press wv to increase one step value   Press  gt  to decrease one step value   Press ENTER to confirm the setting and  exit from the editing mode     SUNGROW       Shortly press    to add one step value     Shortly press    to decrease one step value           Max V prote    Min V prote           gt     I Max V  rete  I Max V tempo  II Max V  rete    II Max V tempo    000 0V    00 00s    000 0V    00 00s        gt  I Min V rete    I Min V tempo  II Min V  rete    II Min V  tempo    000 0V    00 00s    000 0V    00 00s           F prote    Min F prote       v       I Max F rete  I Max F tempo  II Max F rete    II Max F tempo    00  00Hz  
11.  FERA AORE EEEE DU  7 1 Inspection before COMMISSIONING      ssse ssssesssssesssseesssseessseeeosseesssseesssseessssees 50    7 2 Commissioning Procedure         se esesesssseesseesseessseesseesssessseeosseesseessseosssrossersseesss 51    Disconnecting  Dismantling and Disposing the Inverter     54    8 1 DISCONNECTING the lnverte sussen EA 54  8 2 Dismantling the Inverter        ss  seseesesessseessseesseesssesssseesseesseessseeosseesseesseessseroseesss 55  8 3 Disposing the Inverter       s   ssseesesessseessseesseesssesssseesseesseessseeosseesseeoesosserossersseesss 55    Troubleshooting and Maintenance         s esssscecssscccssscessseessse DO    gT mroupeshogtiNg sesa a EN 56  9 1 1 Troubleshooting Of LED Indicator           ssssseeesssseesesssseesssssseessssseeesnsssesosssseessssss 56  9 1 2 Troubleshooting of Faults in LCD Screen      ssssesssssseesssssseesssseeesssssesesssseessssss 56   92  Maintenance oerna a EE S 61  9 2 1 Ro  tine Maintenant E assess cscdecdccscsssccvsstsedscsscseseaunseusseaveustvedsestnssanssatsedsesteneseanieas 61  9 2 2  Maintenance INSU ctio Ma 62   9 3 Contact SUNgrOW SerViC Enna 65    Operation of LCD Display        ssssssseccocsssssssceceosssssseccesossssssseess OO  10 1 Description of Button Function       seseessessseesseessseessscesseesseessseressersseesneeesseeesss 66    10 2 Inverter Menu StruCtUure          sseseesesseseeseesessesseesessosseseeseesossossessessesseseeseesessessese 67    TOS  Malt SEEN aena A A L E ea tation 68  TOA Adj
12.  Grid over voltage value  Min V grid Grid under voltage value  Max Fgrid Grid over frequency value  Min F grid Grid under frequency value       80    SUNGROW    User Manual 10 Operation of LCD Display    Multi stage Protective Parameter  when the country selection is not    IT                             If the selected protective    Max V prot Min v  prot  parameter type is    Multi stage      gt  I Max V grid 000  0V  gt  I Min V grid 000  0V  the following sub menus will I Max V  time 00 00s   pl I Min V  time 00  00s  come up  II Max V grid 000  0V II Min V grid 000  0V  Press V to select parameter  TI Max V time 00 00s II Min V time 00 00s  Press  gt  to move cursor right  and Press v to set the   maxF prot Min F prot    appropriate value  Confirm i SE sane  settings by Pressing ENTER  ar ore iin i  I Max F time 00 00s   4 I Min F time 00  00s  II Max F grid 00  00Hz qT Man Fegrid bl  II Max F time 00  00s teers 09 093                Tab  10 6 Multi stage Protective Parameter Explanation                                                                   Parameter Explanation   Max V  prot Over voltage protection   I  Max V  grid Stage I Grid over voltage   I  Max V  time Stage I Grid over voltage tripping time   IT Max V  grid Stage II Grid over voltage   I  Max V  time Stage II Grid over voltage tripping time   Min V  prot Under voltage protection   I  Min V  grid Stage I Grid under voltage   I  Min  V  time Stage I Grid under  voltage tripping time   IT Min  V  grid Sta
13.  Inverter    8 1 Disconnecting the Inverter    For maintenance work or any service work  inverter must be switched off  In normal  operation  switching off is not necessary     In order to disconnect the inverter from the AC and DC power sources  you should  proceed with the following procedures  Otherwise you will be exposed to lethal  voltages or the inverter will be damaged     1     2     Disconnect the external AC circuit breaker and prevent it from connecting  again     Turn off the upstream DC circuit break or cover the PV arrays with opaque  materials  Rotate DC switch at the side of inverter to the    OFF    position     NOTICE    Please strictly follow the sequence of the above procedures  Otherwise it  will lead to unrecoverable inverter damage     3     54    Wait about ten minutes until the capacitors inside the inverter have  discharged     Loose the six screws on the lower connection cabinet and then remove the  lid                                   Measure AC voltage to ground at the AC terminal to confirm AC output of  inverter at the AC circuit breaker is voltage free     Loose screws to remove AC cables   Disconnect DC cables from the inverters     SUNGROW    User Manual 8 Disconnecting  Dismantling and Disposing the Inverter    8 2 Dismantling the Inverter    Refer to Chapter 5 and Chapter 6 to dismantle the inverter in reverse steps     NOTICE    If the inverter will be reinstalled in the future  please refer to 4 4 Storage of  Inverter for a proper conse
14.  Limit for Current Limit for   p Each Input Each Input  32000W 16000W 1000V 33A       Considering the negative voltage temperature coefficient of PV module  more  attention should be paid to the open circuit voltage of PV strings when designing at  the lowest ambient temperature     Take an example for explanation  The parameters of PV module STP230S 24 Vb are  listed below                       Item Value   PV module type STP230S 24 Vb  Power 230W  Open circuit voltage STC  42 4V  Short circuit current STC  7 60A  Open circuit voltage temperature coefficient p   0 3656    C  Number of PV module in a PV string 21       Under the STC condition  where ambient temperature is 25  C  the open circuit  voltage of PV string 42 4V x 21 890 4V lt 1000V     Supposed that the lowest temperature is  25  C  the open circuit voltage of PV  string 21 x42 4Vx 1 B x  min  ambient temperature  STC temperature     21x 42 4V    x 1   0 3656    C  x  25  C 25  C   1053V gt 1000V    Therefore  PV string should be designed again to meet the open circuit voltage  requirement even under the lowest ambient temperature    PV Configuration Mode Parallel Mode    For parallel mode  the PV inputs can be configured in parallel inside the connection  cabinet     All PV strings connected to the SG30KTL M have a homogenous structure  including  the same type  the same number  identical tilt and identical orientation     As shown in the following diagram  the SG30KTL M may choose parallel mode due  to no differ
15.  MPP tracker     The two PV inputs can be configured in independent mode or parallel mode     NOTICE    There is a risk of inverter damage  The following requirements should be met   otherwise they will lead to loss of any and all warranty rights     e Make sure that the maximum short circuit current of each DC input is less than  inverter allowable limit     e Make sure that the maximum open voltage of each string is less than 1000V   Voltage over 1000V can damage the inverter     PV Configuration Mode  Independent Mode    For independent mode  the two PV inputs work independently  each with its own  MPPT  Therefore the two PV inputs can be different with each other  including  different PV module types  different numbers of connected in PV string  different tilt  angles or orientation angle of PV modules     As shown in the following diagram  SG30KTL M should choose independent mode  due to different orientation angle between the two PV inputs     H       ae    CH a   SHE      To make sure maximum DC power can be utilized  PV strings connected to     individual input area should have a homogenous structure  including the  same type  the same number  identical tilt and identical orientation           t    Inverter Inside    lddW          36 SUNGROW    User Manual 6 Electrical Connection    Prior to connecting the SG30KTL M to PV inputs  the following electrical  specifications must be met simultaneously        THe De Garr  we Dace  Ua   Sees SAT  Limit for cach Inoue Voltage
16.  adjust it until it is in a  horizontal position     Step 3 Mark the positions to drill holes using the backplate as the template     Step 4 Drill holes according to the marks made before     In order to avoid electrical shock or other injury  inspect existing electronic  or plumbing installations before drilling holes        Mark positions   Drill holes             Step 5 Attach the backplate to the wall firmly with the supplied expansion bolt set   The torque for fastening the nut is 35 Nm     24 SUNGROW    User Manual 5 Installing Inverter onto Wall    Install backplate       Step 6 Assemble the cap onto the inverter for better weatherproof function     Step 7 Lift up inverter above the backplate and then slide down to make sure that  the recesses on the back of the inverter fit perfectly together with the  backplate     Step 8 After fit the inverter to the backplate  fasten the inverter to the backplate  with two M4x16 screws     Assemble cap _ Hang inverter                                     SUNGROW 25    5 Installing Inverter onto Wall User Manual    5 3 3 Installing on Metal Frame    Step 1 Remove backplate and fasteners from the packaging     Step 2 Choose the best installation site according to above requirements  Place the  backplate onto the chosen metal frame and adjust it until it is in a horizontal  position     Step 3 Mark the positions to drill holes by using the backplate as the template     Step 4 Drill 6 holes at the marks you have made  If the shape of th
17.  checked that range of inverter protective parameters  ask  0013 yn a      the grid is abnormal utility grid company for solution   3  If the grid frequency is within the permissible  range  contact Sungrow Service Dept    The aca gng vortage 1  Wait a moment for inverter recovery   over 10 minutes is not  0014 oe are 2  If the fault occurs repeatedly  contact  within the permissible  Sungrow Service Dept    range   1  Check AC cables for appropriate size   0015 Grid impedance has 2 Wait amoment for inverter recovery   exceeded inverter   s limit 3  If the fault occurs repeatedly  contact  Sungrow Service Dept    1  Wait a moment for inverter recovery   0016 The AC output overloads  2  If the fault occurs repeatedly  contact  Sungrow Service Dept    The inverter has checked    1  Wait a moment for inverter recovery   that there is unbalance  0017 2  If the fault occurs repeatedly  contact  between the three phase  Sungrow Service Dept    voltages   The  bus voltae E 1  Wait a moment for inverter recovery   0019 iemodiaii hah g 2  If the fault occurs repeatedly  contact  p Pa Sungrow Service Dept    1  Wait a moment for inverter recovery   0020 The bus voltage is high  2  If the fault occurs repeatedly  contact  Sungrow Service Dept    Inverter has checked that  0021 there is overcurrent of Check the layout and the wiring of PV1 input   PV1 input   Inverter has checked that  0022 there is overcurrent of Check the layout and the wiring of PV2 input   PV2 input   PY eongureton m
18.  connect cables to RJ45  plug according to TIA EIA 568B         ce  RJ45 plug d  RJ45 Port Corresponding Relationship Between       Cables and Pins    Pin 1  White orange  Pin 2  Orange   Pin 3  White green  Pin 4  Blue   Pin 5  White blue  Pin 6  Green   Pin 7  White brown  Pin 8  Brown     HEE  i 8       I  I  I     7       I I  I I  il   23456                                  12345678         Pin 3 and Pin 6 are used  for communication      Pin 3 to R8485  B     Pin 6 to RS485  A    RS485  A    Step 3 Connect the RJ45 plug into the RS485 in RS485 out terminal on the  configuration circuit board     Step 4 According to the position of the inverter  refer to the prior section   repeat  step1   3 to connect the other RS 485 Ethernet cables to the RS485  out RS485 in terminal on the configuration circuit board    Step 5 Pull cables outwards to confirm whether they are fastened firmly    Step 6 Tighten the tread lock sealing lock  Block off the vacant terminals to protect  the inverter   s internal from dust and moisture     Step 7 According to the position of the inverter  refer to the prior section  switch ON  or OFF the terminating resistor     Step 8 If there is no other connection procedure  recover and fix the front cover of  the connection cabinet     Step 9 As for the wires which connect to the logging devices  use the Ethernet wire  stripper to strip the insulation layer and connect the RS485 A and B cables  3  and 6  to data logging device or RS 485 232 converter  Com
19.  diameter ranges from    22mm to 27mm        Length of insulation to be            stripped off 18mm  Insulation layer    z A 3  D Crosssectonrof AC cables Recommendation value  10mm     7 AWG     Max  value  16mm        The maximum accepted cable external diameter ranges from 22 to 27 mm   whereas each individual terminal of the terminal board accepts a cable with  cross section of up to 16 mm           SUNGROW 33    6 Electrical Connection User Manual    Step 4 Insert AC cables through cable gland from outside     Step 5 Pull the cables through and fix L1 L2 L3 N PE cables ends to the  corresponding terminals according to markings            b     NOTICE  e Observe the pin assignment of AC terminal block  If a phase wire is  connected to the    PE    terminal  it may permanently destroy the inverter        e Please avoid squeezing the cable insulation layer into the AC terminal   Improper connection may damage the inverter     Step 6 Screw cap nut tightly onto the cable                                                                             34 SUNGROW    User Manual 6 Electrical Connection    6 4 Connecting Inverter to PV Arrays    7 DANGER    Lethal voltage exists     PV arrays produce electrical energy when exposed to light and thus can    create an electrical shock hazard  Cover the PV arrays with opaque materials  and then perform the wiring  Wiring should only be performed by qualified  personnel        NOTICE    Make sure that the maximum input ground capacity of 
20.  lt   sezo aut  Aqpueys  lt   Z Id weued uny do3s  4e1S  UOTSJ9A   JEMWJT  A  nejap peo   1LNeJap peol p4sod04 314 YaLNa   pe A6saug ge      u o oo    UWTL U3LNI puodeu uny  lt   s    en  ue   lt  lt   weued sAs p40394  STH                                                    wesed 3aS  do3S 34e3S  piodeu STH    OjuT uny       nuay                         JLN    os4          u    19S UIEN  OE OT TE T0 ZIOZ HD    0  ri 8  OT  m 000    EZ we ld  aN             Fig  10 1 Menu Tree English    67    SUNGROW    10 Operation of LCD Display    User Manual    10 3 Main Screen    If the inverter succeeds in commissioning  LCD display will enter into the main  screen  as shown in Fig  10 2         E Se du 90 1  2012 01 31 10 30 17      Fig  10 2 Main Screen Description    No  Description       Power curve  x axis  time in hours  y axis  output power yield P in          Icons  refer to the Tab  10 3  and the Inverter active power limits  P W limits         Current output power        Energy generation during this day until now        Total energy generation since initial commissioning        Inverter state        NYO   BR  WlN       Date  year month date  and time        Tab  10 2 Inverter State Description    Inverter State    Description       After being energized  the inverter tracks the PV arrays    maximum                         Run power point  MPP  and feeds AC power to grid  This mode is the  normal mode    Standby Inverter will enter into Standby mode for insufficient input powe
21.  power is always  three phase via the AC terminal     AC Cable Requirements    Consider the following facts when select AC cables specifications and types        The grid impedance of the AC cable must correspond to the specification to  avoid unintended disconnection from the grid or derating of the output power           Voltage drop and other consideration may use the larger size cables  Avoid  power loss in cables of more than 1  of nominal inverter rating     e Withstand ambient temperature      Layout type  inside wall  underground  free air etc       e UV resistance and so on     32 SUNGROW    User Manual 6 Electrical Connection    Connecting Inverter to AC Grid    Danger to human life due to high voltage existing inside the inverter     Make sure that all the DC and AC cables to the inverter are not live before  you start the electrical work     Do not turn on the AC side circuit breaker until all inverter electrical  connections have completed        Connect the inverter exclusively to TN or TT mains as the following procedures   Step 1 Disconnect AC circuit breaker and prevent Aia  it from reconnection inadvertently     Step 2 Loose the six screws on the lower  connection cabinet     Step 3 Strip off AC cables as the following  indication                          For flexible cables  stranded wires   use cold pressing terminal lugs plastic             sleeves    C   D     PE  L1  L2      L3  N  m  B  No  Description Remark  A Protective layer Accepted cable external
22. 0      i a   P 5  Q Var limits Inverter reactive power limits 0 0  0    100   Over frequency power derating slope  oe vue  83 33   40    100   Slope Only available when the    Countries    is  selected to    IT      SUNGROW 75    10 Operation of LCD Display User Manual    10 10 2 Reactive Power Regulation    The inverter provides reactive power regulation function  Use the    Q Var switch     parameter to activate this function and select proper regulation mode     Mode Explanation                      Pf The reactive power can be regulated by the parameter PF  Power Factor    Qt The reactive power can be regulated by the parameter Q Var limits  in      Off The PF is limited to  1 000  and the Q Var limits is limited to 0 0    Q P  The PF changes with the output power of the inverter   Q U  The reactive power changes with the grid voltage       Pf    Mode    The reactive power can be regulated by the parameter PF on the Run param screen        Qt    Mode    The reactive power can be regulated by the parameter Q Var limits  in    on the  Run param screen        Off    Mode    The PF is limited to  1 000  and the Q Var limit is limited to 0 0         Q P     Mode when the country selection is not    IT                                   The PF changes with the inverter output power  Run param Q P   If the country selection is not    IT     Italy   after selecting Q P   gt  Upper PF Cap 1 000  Mode  Press Y to enter the Run param Q P  sub menu  Lower Power 050 0   For each item s
23. 2 Inverter n                  AUDITY  EE  Ln        PV Arrays 1 He  l                                                                      ere  eLde    SUNGROW suNGROW suncrow    bey    E i a  hasa                      PV Arrays 2 KY                         Mounting Frame of PV        arrays i i    Copper Busbar   O ogooodo0oo0o0000  000000000000    Grounding Electrode                   Grounding of PV Power System                A LIL2L3N  AC Circuit Breaker  Inventors moop ee ee aur ae                        25K E                               AC Grounding Electrode                   Grounding of Inverter AC Side       Fig  6 3 Grounding for Inverter    42 SUNGROW    User Manual 6 Electrical Connection    6 5 2 Second Protective Earth Terminal   The inverter is equipped with second protective earth terminal as specified in EN  50178    Second PE Terminals    There is a second PE terminal on one side of the inverter  Users may choose to  connect PE connection                    Fig  6 4 Second PE Terminals    Second PE Connection    Item Description Remark   A Screw M4x 12mm   B Lock washer     C Washer     D Cable socket     E Yellow green cable   6mm  9AWG        Fig  6 5 Connection of the Second PE Connection     The connection parts are not included in the delivery scope     SUNGROW 43    6 Electrical Connection User Manual    6 6 Communication Connection    6 6 1 Communication Overview    The inverter operation information can be transferred via its integrated RS485  in
24. CO2 emission reduction C02  reduce 00000kg  due to the inverter   E month   0000KWh     E month    is the energy generation in this month  h Total 0000h          h Total    is the total running hours of the inverter  T today 0000min     T today    is today running time of the inverter  Temp 000 0  C     Temp    is the internal temperature of the inverter              70 SUNGROW    User Manual    10 6    History Records    10 6 1 Running Information Records    10 Operation of LCD Display    Main Screen   Press ENTER    Menu   Press VY      His record   Press ENTER       Run record   Press ENTER      On the    display  press Y to select  the date you want to view   pressing    Confirm by  ENTER     Inverter  running    pages  Scroll    pressing Y  Change to the    next record by pressing  gt      10 6 2 Fault Records          Run record                shows historical          information          pages by                      P 1 2 Run reocrd T 2    gt  2012 01 21 30   2012 01 22 30   2012 01 23  30   2012 01 24  30   2012 01 25 30   2012 01 26 30   P 3 10 2012 01 21 10 16  PV1 PV2  Vdc V  0000 0 0000 0  Idc A  000 0 000 0  Pdc W  00000 00000  Paral mode El                               P 3 30 2012 01 31 10 16  P W 00000W  S Va 00000VA  Country GB  Grid code LV   P 3 10 2012 01 21 10 16  Temp 000 0  C  State Run                         P 3 30 2012 01 31 10 16  L1 L2 L3  Vac V  000 0 000 0  000 0  Tac A  000 0 000 0  000 0  Pac W  0000 0000 0000  F Hz  00 00 00 00  00 00       
25. LCD RS485  Fans     4 Power Circuit            Fig  2 5 Main Circuit Diagram of SG30KTL           DC Switch   S  r      g      i DC EMC MPPT1 Relay  D Filter  Boost  E E O re  A DC Bus Inversion r          7 i Circuit A   AC re  Ss L Reactor   ai L3  z  Ca   R i i     lt   T    CY treated N o  x Dt EMG    MPPT2      pel  2 ilter  Boost  I   i l  i A ny Serra             Fig  2 6 Main Circuit Diagram of SG30KTL M    10 SUNGROW    User Manual 2 Product Introduction    2 3 2 Functions Description    Inverter functions can be grouped as the following     Conversion function    Inverter converts the direct current power into alternating current power  which  conforms to the grid requirement of its installation country     Data storage and display    Inverter stores essential data including running information and fault records   and displays them on integrated LCD display     Parameters configuration  Inverter provides various parameters configuration for optimal operation   Communication interface    Standard RS485 interface for connecting other monitoring devices into the PV  system is included    Protection functions       Reverse polarity protection       Short circuit protection       Insulation resistance to ground surveillance       Inverter output voltage surveillance       Inverter output frequency surveillance       Residual current protection       DC component of AC output current surveillance      Anti islanding phenomena protection       Ambient temperature surveilla
26. Order Description Reference Chapter   1 Unpacking and inspection Section 4 1    gt  Read this Monta  especially the section on    safety Chapter 1  instruction   3 Store the inverter unit if not install immediately Section 4 4   4 Choose the best installation site Section 5 1   5 Moving the inverter to installation site Section 5 2   6 Install the inverter against the chosen wall Section 5 3   4 Electrical connections include DC  AC  ground and Section 6 3   6 7  communication optional connection   8 Examine before commissioning Section 7 1   9 Start up inverter and configure corresponding Section 7 2  parameters   10 Troubleshooting Section 9 1   SUNGROW 15       4 Unpacking and Storage    4 1 Unpacking and Inspection    The unit is thoroughly tested and strictly inspected before delivery  Damage may  still occur during shipping     e Check the packing for any visible damage upon receiving   e Check the inner contents for damage after unpacking     e Check the completeness of delivery contents according to the inner packing list   If there is visible damage to the packaging or the inner contents  or if there is  something missing  contact the unit dealer     Do not dispose of the original packaging  It will be the best choice to store the  inverter by re using the original packaging        Fig  4 1 Paper Packaging of Inverter    16 SUNGROW    User Manual    4 2 Identifying Inverter    4 Unpacking and Storage    A nameplate is attached to one side of the inverter and the cart
27. RS 485 A B bus or RJ 45  Terminating  Resistor  RS 485 A B bus RJ 45 esis  Only out  Only out   RS485in RS4850u Yes  1200hM  Single one          For Multiple Inverters    Where there is more than one inverter  all inverters can be connected to data  logging device in daisy chain  The first and last inverters in the chain must be  terminated with a resistor of 1200  The shielding layer of RS485 cable should be  single point grounded     The maximum number that inverters are connected in the daisy chain depends on  converter  data logging device and other factors  Please refer to converter   s or data  logging device   s manual to obtain the limit     SUNGROW 45    6 Electrical Connection User Manual               Inverter n       Inverter 2       Inverter 1          Solarlnfo Logger PC       RS485 RS232    Shielding layer is grounded          Communication Connection                      Inverter _  RS 485 A B bus or RJ 45  zerminaung  Resistor  RS 485 A B bus RJ 45  Only out Only out  RS485in RS485out Yes  1200hM  Inverter 1  In and Out  No  Inverter PA   2   n 1  In and Out In and Out  RS485in RS485out Yes  1200hM  Inverter n          46 SUNGROW    User Manual 6 Electrical Connection    6 6 3 RS485 Communication Connection    RS485A B Bus Connection    Step 1 Lead shielding RS485 twist pair type cable through communication cable  gland to the configuration circuit board     Step 2 Trip off the insulating layer of the communication cables  Connect the cables  to the RS 485 bu
28. RT function    regardless of the country selected     Step 9 After configuring the Grid Code  there will be  a    Pro param    type selection screen and then  corresponding sub menu will come up  For  detailed information  please refer to    10 11  Protective Parameters Setting        52       Pro param              Single stage       Multi stage             IT Italy   Pro param   gt  Pro Stage  11     Fmax recover 50 10Hz  Fmin recover 49 90Hz    Vmax recover 253 00V       Vmin recover 195 5V       SUNGROW    User Manual 7 Commissioning    Setting confirmation       Step 10 After configuring all parameters  there    will be a    setting confirmation    screen  Check Country Other  whether all above mentioned parameters are Grid code LV  correct  Confirm by Pressing ENTER  Cancel LVRT OFF   by Pressing ESC and reset  Date 2012 01 31    Confirm above settings           Step 11 Inverter will enter into startup process   Observe status of LED indicators and the LCD  main screen  If inverters commissioning  succeeds  the    RUN    indicator will be lit and     RUN    will be displayed on the    State    area              amp  AL  90 15 2012 01 31 10 30    If inverter   s commissioning fails  the    FAULT    indicator will be lit and    fault    will occur  on the display  Press V to view    current fault    information  Remove the existing  malfunction and then repeat starting up inverter as the above procedures     SUNGROW 53       8 Disconnecting  Dismantling and  Disposing the
29. SUNGROW    User Manual    SG30KTL SG3OKTL M  PV Grid Connected Inverter             SG30KTL_SG30KTL M UEN Ver12 201304 Version  1 2       About This Manual    This manual is for the inverters SG3OKTL and SG30KTL M  These inverter are  grid connected  transformer less  robust and of high conversion efficiency  The  device will bring you profit from PV power system     Aim    The manual contains information about the inverter  which will provide you  guidelines to connect the inverter into the PV power system and operate the  inverter     Related Documents    The manual cannot include complete information about the PV system  You will get  the additional information about other devices at www sungrowpower com or via  webpage of device manufacturer     Target Group    The manual is targeted to technical personnel who is responsible for inverter  installation and commissioning in the PV power system and inverter owner who will  perform daily LCD operation     How to Use This Manual    Read the manual and other related documents before any work with the inverter   Documents must be stored carefully and available at all times     The contents of the manual will be periodically updated or revised due to the  product development  It is probably that there are changes of manual in  subsequent inverter edition  The latest manual can be acquired via visiting the web  page www sungrowpower com     Symbols Explanation    Important instructions contained in this manual should be followed d
30. allinG on Metal Frane mainesana AAE RORA 26    Electrical Connection         eessssscessssscccsossscccsssscccossssseessssssessssss LO  6 1 Simplified Electrical Connection Diagram        ssss ssesseessseessseessssecsssserssseeesss 28    62   lermi  als Descriptio N neesan AN 29    10    6 3 Connecting Inverter to AC Grid        es sssessseessseessecsseessseesseessseosseeosseesseesssessss 30    OS TAC Side Requirements ass acca lescts cs aecvssiyssccsiutevscoutavoosseeasiosapwisetenoer ears 30  63 2 Gnid CONNECTION erari etait nein E 32  6 4 Connecting Inverter to PV ArrayS          esessessesssesscssesserseossesserseossesecseesesseeseee 35  6 4 1 PV Inputs Configuration Of SG30KTL           ssssseeesssseeesssssesessssecsssssseesssseeessssee 35  6 4 2 PV Inputs Configuration Of SG3OKTL M          ccssssssssssssssscsessssssssssessesseesseessees 36  6 4 3 PV Connection Procedures ensai a R 39  65     GrouUNnGING THE INVENTEN nsession a E a 42  6 5 1 GrOUNCING System Overview enosn anato E aa OE 42  6 5 2 Second Protective Earth Terminal          esssseessssserssssseeessssseeessssecoossseerossseersssssee 43  660     COMMUNICATION  Connecti easain ak asai 44  6 6 1 Communication OvervieW         sssessserssseeessseeossscosssscssescroseeeesssecsssecossseossescossscess 44  6 6 2 COMMUNICATION Sy STEM ae lat naa aceite cnit ten eieanie 45  6 6 3 RS485 COMMUNICATION CONNECTION           cessscesecsecessecsccecsecscssesesteseeneseeneesees 47    Commissioning EEE aclo setae EPE E EF EAE
31. alls below the protective value   a 2  If the fault still exists  please contact  protective limit   Sungrow Service Dept    0007 Inverter has checked AC The inverter will self recover after several  overcurrent temporarily  seconds   The grid frequency has 1  Check the frequency of the grid   0008 exceeded inverter 2  If the grid frequency exceeds the permissible  allowable upper limit  range of inverter protective parameters  ask  The grid frequency has utility grid company for solution   0009 fallen below inverter 3 Ifthe grid frequency is within the permissible  allowable lower limit  range  contact Sungrow Service Dept    1  Check whether AC circuit breaker is  triggered   2  Check whether AC cables are all firmly  connected   Ka hanang 3  Check whether grid is not on service   4  If all conditions are OK and this malfunction  still occurs in the LCD screen  contact Sungrow  Service Dept    The DC component of AC 1  Wait a moment for inverter recovery   0011 current has exceeded 2  If the fault occurs repeatedly  contact  inverter limit  Sungrow Service Dept    Inverter has detected 1  Check the PV strings for ground fault   0012 that there is a failure 2  If the fault occurs repeatedly  contact  current  Sungrow Service Dept    SUNGROW 57    9 Troubleshooting and Maintenance    User Manual                                        Fault  Description Troubleshootin  Code p g  1  Wait a moment for grid recovery   2  If the grid parameters exceed the permissible  Inverter has
32. are designed for the limit value that can trigger the protective  functions of the inverter     Main Screen Press ENTER     Menu screen Press Y x3    Set param Press ENTER        Enter password Press ENTER  Press Y x2    Pro param Press ENTER     A password confirmation screen will occur  Press  gt  to      Pro param   move cursor right and Press Y to input the password    Please enquire Sungrow or your dealer for this Password   password  000000                   To make protective parameters setting convenient   Countries   Inverter provides country code selection  The protective  O  B O DE O FR OTT  parameters have been configured before delivery  O ESO AT O AU OZ  according to different countries utility grid O BE O DK O GRLO GRIS  requirements  Choose the correct country code by Press  v and Press ENTER to confirm        O NL O PT O CHN O SE                                  Other   The description of country code is illustrated below   Country Code Full Name Country Code Full Name  GB Great Britain DE Germany  FR France IT Italy  ES Spain AT Austria  AU Australia CZ Czech  BE Belgium DK Denmark  GR_L Greece Land GR_IS Greece Island  NL Netherlands PT Portugal  CHN China SE Sweden       Other Country not included above           SUNGROW 79    10 Operation of LCD Display    Confirm by pressing ENTER after country code selection   Choose grid code according to actual grid condition    Note     LV    represents Low Voltage Grid Code  and    MV     represents Middle Voltage G
33. ccccccccccccccccccccccccccccseseoO    2 1 tended Usad Cin cacitentnnaitrecenncsnsaeavineniea E EA 6  22  Product Desiptio Mear a NAA 7  22 1 Product AppearaNCE aei a A S  7  22 2 Dimensions Of Inverter E 8  223 FCD Display Panel sundonin a A 8  224 DE SWI hensii a a a en dada AA A 9  23 Technical DESCH STON eater acssincecuteiiesinascadacusatccne ance O 10  2 3   Principle Descriptio Miciauwascassmiaincamancenuwaanuieeaaunnees 10  2 3 2 Functions DOS CHIOTIOMN serons R ase abec sssdersceevanasaseaanenes 11  2 3 3 Derti ea a sb sts tench tess vaccavguen de eatteeee ab vce tented a deandeutd diate ied eeu ved tetas 12    Installation FIOW          cccccccccccccccscsccccccccsccccccccsccccccccccscccccccccccs 1 4    Unpacking and Storage             sssccccsssscccssssccccssssccccssssccssssee 16    4 1 Unpacking ANd Inspections 16  A2     NASITITYVIAG Verte ssri O 17  43    Delivery Content nA 18  4 4     Storage of lnverter          sssesesseesssseesssseesssseesssecosseeossseesssserssseresseeeossecosssersssseesssee 19    Installing Inverter onto Wall               cccccsssssccssssccccsssscccssesee2O    5 1 Selecting Installation Location          es esssessseessseesseesssessseessseesscessseossseossersseesss 20  5 2 Moving Inverter to Installation Site            seseesssessssessseesseesssessseeosseesseessseeses 23  53      MStAINNE the MVEN E ereo A ES 23  5 3 2 Installing on Concrete Wall           seseessseessssesssssesssseesssseesssseessseeesssesosseesssseeossseess 24  532 INSt
34. ce broken fan  in necessary   0037   eet  temperature is too high 3  Clean air grills of outlet   4  If the fault still exists  please contact with  Sungrow   The inverter has checked 1  Wait a moment for inverter recovery   0038 that there is a fault of 2  If the fault occurs repeatedly  contact  relay  Sungrow Service Dept        1  Wait a moment for inverter recovery   The insulation resistance  0039   2  If the fault occurs repeatedly  contact  is low   ISO fIt   Sungrow Service Dept    1  Wait a moment for inverter recovery   0040 IGBT saturation 2  If the fault occurs repeatedly  contact  Sungrow Service Dept    There is a fault with 1  Wait a moment for inverter recovery   0041   2  If the fault occurs repeatedly  contact  sampling channel     Sungrow Service Dept    0042 Caenin bane  If the fault occurs repeatedly  contact Sungrow  Service Dept    The ambient Disconnect inverter to stop  Wait for ambient  0043 temperature falls below temperature to rise above  25  C and then   25  C start inverter again   Theres i a  tult with 1  Wait a moment for inverter recovery   0044     ae 2  If the fault occurs repeatedly  contact  DC AC inversion circuit  Sungrow Service Dept    i ith PV1      0045 Toere    aa rau     1  Wait a moment for inverter recovery   poostelreult 2  If the fault occurs repeatedly  contact  There is a fault with PV2 p u  0046 am Sungrow Service Dept    boost circuit   SUNGROW 59    9 Troubleshooting and Maintenance    User Manual                        
35. cececesasssssssssseseseeseasares 79  10 12 Communication Parameters Setting        ssessessssssessessesssessessesssessessesseessessesse 82  10 13 Special Settings forta y uensrisssononasen nin en 83  10 13 1 Over frequency Derating Setting for Italy            essssssosessssssseesessssssceeessss 83  10 13 2 Reactive Power Regulation for Italy uu    c sssssssssssssessessessssscssesesseesseneesees 84  10 13 3 Protective Parameters Setting for Italy 0    esssssssseesessssscseesesseesseseeeees 86    MD   App  ndiX 6 cscscnsscscvcedssecocenssesseeasasdvatecdsiwssasacdecsessenveesseulecessedesees Oo    Tele Technical Dataoanies ai AA R sa atece terion 89  IGA Terminas anda Gables i E T N 90  11 3   Excl  siomof Lia BIY vcesscsssissvessorssncceseencessessncseiosorenstedutanantentonsansonnneivans 91  IA ADDUTUS eukin nie N N NNa 92    VI       1 Safety Instructions    IMPORTANT SAFETY INSTRUCTIONS    The SG30KTL and the SG30KTL M have been designed and tested strictly according  to the international safety regulations  As electrical and electronic equipment  safety  instructions related to them must be complied with during installation   commissioning  operation and maintenance  Incorrect operation or work may result  in damage to     e The life and well being of the operator or a third party       The inverter and other properties that belong to the operator or a third party    Therefore  the following safety instructions must be read and always kept in mind  prior to any work  All 
36. ddress 001          SUNGROW    User Manual 10 Operation of LCD Display    10 13 Special Settings for Italy  If the    Countries    selection is    IT     Italy   several LCD menus and operation methods  are different from other countries     The differences focus on    Run param    and    Pro param    as shown below     10 13 1 Over frequency Derating Setting for Italy    If the    Countries    selection is    IT     Italy   the    Derating Slope        will display in the     Run param    screen     When the grid frequency is between 50 3Hz and 51 5Hz  inverter will decrease  power according to the    Derating Slope        Default derating slope  Pm Hz  Pm is the power before derating   83 33   Range   40     100     Note     Derating Slope     is the power derating slope  Power derating slope   100     Grid frequency x Frequency derating slope   Frequency derating slope range   2     5         Fig  10 5    IT    Over frequency Derating Curve    SUNGROW 83    10 Operation of LCD Display    10 13 2 Reactive Power Regulation for Italy    Button Operation    User Manual    The button functions for Italy parameter setting sub menus may differ from that in    other menus     Proceed as follows to perform the parameter settings     Switching Mode    Editing Mode          N  Shortly press       y       Shortly press Oto navigate  gt        A    4 d  Long press    or          Long press    to confirm all the                   Shortly press   to add one step value     Shortly press  
37. detailed work related safety warnings and notes will be  specified at the critical points in corresponding chapter     A WARNING    All installation and electrical work must only be performed by qualified  personnel  They have    e been trained specially     e already completely read through and understood the manual and other  related documents        e been familiar with safety requirements for electrical system     Technical personnel mentioned above may perform the following work        Install the inverter onto the wall   e Connect the inverter into the PV power system      Connect other devices into the PV power system  e Commission the inverter    e Maintain and service the inverter    SUNGROW 1    1 Safety Instructions User Manual    Before Installation    There is a risk of injury due to improperly handling the device        Always follow the instructions contained in the manual when moving and    positioning the inverter     e The weight of the equipment can cause injuries  serious wounds  or bruise  if improperly handled        During Installation    Prior to installing the inverter onto the wall  it is crucial to make certain that the  inverter is not electrically connected     System performance loss due to bad ventilation     The equipment requires good quality ventilation during operation  It is  essential to keep the unit upright and nothing covering the heat sink in  order to ensure that the equipment interior is well cooled down        During Electrical Conn
38. e Install the unit where is accessible to install  electrical connect or service           e Do not install the unit on the wall of flammable  materials                                   material                                              Do not install the inverter where contains flammable WN  AS  materials or flammable gas in the vicinity of the unit Y   A  installation  off N  S  Ie    YX  RS  S  h     JO N  S                   Flammable material or  gas near the installation    20 SUNGROW    User Manual 5 Installing Inverter onto Wall             Install the unit at eye level for easily buttons  operation and display read                                               It is suggested that the inverter be installed vertically  with upside up for good heat dissipation                                         e Never install the inverter horizontally  nor with a forward tilt  nor with a backward  tilt nor even with upside down                                                                                            Forward tilt Backward tilt Horizontally Upside down  mm  z  mm  wru A    W A rw  A        The inverter unit with IP65 can be installed  gt   ee temperature   PO    indoors or outdoors also  l i  e The ambient temperature should range from   Min  ambient temperature    25  C   25  C to 60  C     Max  relative humidity    95  No condensing       The relative humidity at the installation must not Q  exceed 95   Moisture may result in corrosion and  damage to the int
39. e metal frame  doesn t fit the holes on the backplate  re drill holes on the backplate of  appropriate position according to the chosen frame     In order to avoid electrical shock or other injury  inspect existing electronic  or plumbing installations before drilling holes        Mark positions Drill holes                                     Step 5 Fasten the backplate against the metal frame with bolts and nuts  The   dimensions of fasteners used in the following diagram are recommended    The torque for fastening the nut is 35 Nm    mete ae Item Description Remark   A Hexagonal socket nut M10   Spring washer    Washer    Hexagonal bolt M10 45  Metallic wall    Backplate            nanim oLa                      26 SUNGROW    User Manual 5 Installing Inverter onto Wall    Step 6 Assemble the cap onto the inverter for better weatherproof function     Step 7 Lift up the inverter above the backplate and then slide down to make sure  that the recesses on the back of the inverter fit perfectly together with the  backplate     Step 8 After fit the inverter to the backplate  fasten the inverter to the backplate  with two M4x16 screws     Assemble cap _ Hang inverter                                           SUNGROW 27       6 Electrical Connection    Once the inverter is firmly attached to the appropriate location  it can be connected  to the PV power system     Installation shall comply with local regulations and technical rules  Installation shall  comply with the relevant instr
40. ear  fan turning   Clean or replace the fans     Check the fuses and the DC SPD   Devices  eek Replace the fuse  Every 6 months  Contact Sungrow to order new DC SPDs   Check the LCD stop and emergency stop circuit of  the system   Safety Simulate shutdown and check stop signal Once or twice a  function communication  year  Check the warning labels  and replace them if  necessary   Software optimization  Once or twice a  Software    Check the setting of every parameter  year  SUNGROW 61    9 Troubleshooting and Maintenance User Manual    9 2 2 Maintenance Instruction    Fans    Maintenance    There are four fans at the side of the inverter for active cooling during running  operation  If the fans are dirty or out of work  the inverter may not be cooled down  well and its efficiency may accordingly decrease  Therefore it is necessary to clean  the dirty fans or replace the broken fans as the following indications     44 DANGER  e Disconnect the inverter from the grid first and then PV arrays before any  maintenance work     e Lethal voltage still exists in the inverter  Please wait for at least ten  minutes and then perform maintenance work     e Fans    maintenance work may only be performed by qualified electricians        1  Disconnect the AC circuit breaker     2  Turn off the upstream DC circuit break or cover the PV arrays with opaque  materials  Rotate DC switch at the side of inverter to the    OFF    position     3  Wait for at least ten minutes     Disconnect all elec
41. ection    Lethal voltage exists     PV arrays will produce electrical energy when exposed to sunlight and thus  can create an electrical shock hazard     e Wiring of the PV arrays should only be performed by qualified personnel        PV modules should be covered by opaque materials during wiring        WARNING    All cables must be firmly attached  undamaged  properly insulated and  adequately dimensioned        2 SUNGROW    User Manual 1 Safety Instructions    During Inverter Operation    Do not open the enclosure when the inverter is under voltage  There is an unlikely  but possible risk of explosion in very specific cases of malfunction  The housing will  protect persons and property from such an explosion  only if it is correctly sealed     There is a risk of inverter damage or personal injury     Do not disconnect DC connectors while the inverter is under AC load  First  de energize the equipment from dual power sources and then verify that  there is no voltage present     There is a risk of burn     Prevent from touching device hot parts  such as heat sink  during operation   Only LCD display panel and DC switch can be touched during inverter  operation        Maintenance and Service    There is a risk of inverter damage or personnel injury due to incorrect  service work     Always keep in mind that the inverter is power supplied by dual power  source  PV arrays and utility grid     Before any service work  you should obey the following procedures   e Disconnect invert
42. ee or liability claims for damages of any kind are excluded if they are caused  by one or more of the followings        Inappropriate use or install of the product  e Installing or operating the product in an unintended environment       Ignoring relevant safety regulations in the deployment location when installing  or operating the product    e Ignoring safety warnings and instructions contained in all documents relevant to  the product       Installing or operating the product under incorrect safety or protection  conditions    e Altering the product or supplied software without authority       The product malfunctions due to operating attached or neighboring devices  beyond allowed limit values   e   Damages caused by irresistible natural environment   The use of supplied software produced by Sungrow Power Supply Co   Ltd  is subject   to the following conditions     e Sungrow Power Supply Co   Ltd  rejects any liability for direct or indirect damages  arising from the use of the Solarlnfo software  This also applies to the provision or  non provision of support activities     e Using the Solarlnfo software for commercial purposes is prohibited        Decompiling  decoding or destroying the original program  including SolarInfo  software and the embedded software  is prohibited     SUNGROW 91    11 4 AboutUs    Sungrow power supply is a China leading manufacturer of various power electronics  products for renewable energy generation systems  Our products include converter
43. en the modules temperature exceeds an upper limit  the inverter start to  gradually derating until the temperature decreases to normal range     e When the inner temperature exceeds an upper limit  the inverter start to  gradually derating until the temperature decreases to normal range     The deration lower limitation is about 33      If the modules temperature and the inner temperature are both exceed  the limit  the actual derating power value will be the less one     Grid Under voltage Derating    Once the grid voltage is in the defined range of Vgrid  Vmin   215V   the inverter  will decrease the power output     Pivmin   215    Pn x  Vgrid   230V     Ph       Working    area             gt   Vinit 215V Vmax    Fig  2 8 Grid Under voltage Derating    SUNGROW 13       3 Installation Flow    Fig  3 1 shows the installation flow of inverter for installer  Please follow these  procedures           Unpacking and Inspection         Read User Manual    Install Immediately      Yes i                          Storage                         Mounting Location Selection    Moving Inverter         Mounting the Inverter         Electrical Connection         Check before Commissioning    l 10                                                                      Commissioning ee Troubleshooting  a Ne  Yes       Cu D    Fig  3 1 Installation Flow Chart       14 SUNGROW    User Manual    Tab  3 1 Description of Installation Flow    3 Installation Flow                                     
44. ence between the two PV inputs     SUNGROW 37    6 Electrical Connection User Manual         Ha Ee   A  Ea   HA E PV input 2  Fanka _    Prior to connecting the SG30KTL M to PV inputs  the following electrical  specifications must be met simultaneously        T       Total DC Power Limit Open circuit Voltage Short circuit Current  for the SG30KTL M Limit for Each Input Limit for Total Input       32000W 1000V 66A       You should also take the negative open circuit voltage temperature coefficient into  consideration when designing the PV string   Configuration of PV Connection Mode    PV configuration mode of the SG30KTL M can be performed by a switch on the  configuration circuit board        Independence mode  turn the switch ON        Parallel mode  turn the switch OFF     Configuration circuitboard    PV configuration mode    Independence       Independence    ale    Default                NOTICE  For SG30KTL  the switch must be set in parallel mode     38 SUNGROW    User Manual 6 Electrical Connection    6 4 3 PV Connection Procedures    DC cables from PV strings should be equipped with DC connectors  Sungrow  provides corresponding plug connectors in the scope of delivery for quick  connection of PV inputs  Pairs of MC4 DC connectors are supplied in the scope of  delivery           To maintain IP65 weatherproof function of inverter  only the supplied DC  connectors or the connectors of the same protection class can be used     DC Cable Requirements    Cross section Oute
45. er from the utility grid side first and then PV arrays     e Wait at least ten minutes until the inner capacitors discharge completely     e Verify that no voltage or current present with appropriate testing device     Keep unrelated person away     A temporary warning sign and barrier must be posted to keep non related  person away for any period while performing electrical connection and  service work        SUNGROW 3    1 Safety Instructions User Manual    NOTICE    e Any malfunction that may impair the inverter safety functions must be  repaired immediately before the inverter is restarted again     e Inverter contains no owner serviceable parts inside  Please contact local  authorized personnel if any service work is required     Servicing of the device in accordance with the manual should never be  undertaken in the absence of proper tools  test equipment or more recent  revision of the manual which is clearly and thoroughly understood     NOTICE    There is a risk of inverter damage if it is improperly serviced     Use only accessories and spare parts approved by the inverter  manufacturer  Never modify the inverter or other components of the  inverter  Otherwise it will cause loss of any or all warranty rights     NOTICE    There is a risk of inverter damage due to electrostatic discharge     The printed circuit boards contain components sensitive to electrostatic  discharge  Wear a grounding wrist band when handling the boards  Avoid  unnecessary touch with the board
46. erminal to DC2     with a cable of cross section not less than 6mm   10 AWG  and connect DC1  to   DC2  on the DC connection circuit board as the following diagram shown  The   existing cable connections are not displayed in the below diagram     40 SUNGROW    User Manual 6 Electrical Connection             THT wenn    o HH AR HR  DC connection circuit board LILIO       Step 9 Plug the positive and negative DC  connectors into PV terminals  underneath the connection cabinet  until there is an audible sound     Step10 Connect other PV strings following  the above mentioned procedures     Step 11 Seal the unused DC terminals with  the terminal caps        SUNGROW 41    6 Electrical Connection User Manual    6 5 Grounding the Inverter       WARNING    Because of the transformer less design of the inverter  neither the DC    positive pole nor the DC negative pole of the PV string is permitted to be  grounded        6 5 1 Grounding System Overview    All non current carrying exposed metal parts of the equipment and other  enclosures in the PV power system should be grounded  e g   PV arrays frame and  inverter enclosure      Where there is only one inverter in the PV power system  connect    PE    cable to the  installation ground     Where there are multiple inverters in the PV power system  connect    PE    cables of all  inverters and mounting frame of PV arrays to the same copper bus bar  In this way  it  will establish equipotential connection             Inverter 1 Inverter 
47. ernal device components     SUNGROW 21    5 Installing Inverter onto Wall User Manual    e Avoid exposing inverter to direct sunlight or rain or snow to extend its service life  despite the IP65 protection degree  Exposure to the sun may cause additional  internal heating which will cause power reducing  Shaded site of the building is  preferred        O Z  AN AN  E F 7         oN i  y SS      i  i  l       Snow  Direct sunlight Direct rain fall accumulation    e Take enough space for convection into consideration during installing multiple  inverters  It is suggested that position the multiple inverters in a staggered way if                                                          necessary     n Coolair SS Hot air  J         g    Y en       beans E   pane E EA XIa  Y 600mm     1000mm     1000mm       600mm     yy          N gn  Z   O i    a     N Siasi  n      5                                                    Y 600mm ag 1000mm   600mm           Do not install the inverter in a closed cabinet  Lo a  Otherwise  the inverter will not operate   an  normally  It is necessary to make sure that hot    air will be discharged by forced ventilation  J   Ie  U    e               Do not install the inverter where children can   i          Do not install the inverter in living area  Noise  can be produced during running of inverter   which may affect your daily life     22 SUNGROW    User Manual 5 Installing Inverter onto Wall    5 2 Moving Inverter to Installation Site    If the inv
48. erter is to be installed  remove the unit from the packaging and move it to  the chosen installation site  During the moving process  the following instructions  should be obeyed        Always remember the weight of the inverters   e Grasp the equipment handles by both hands by means of handles   e Move the unit with the help of others or the lifting device        Do not release the equipment unless it has been secured to the wall firmly     5 3 Installing the Inverter    Inverter is installed onto the wall by means of backplate enclosed in the packaging   If you don t use the supplied backplate  you may drill holes refer to its dimension  below     544       514                            60                                        216 5  216 5                                                 100                         pomm   a 70    22    440  524  544                                                                      Fig  5 1 Dimensions of Backplate unit  mm     SUNGROW 23    5 Installing Inverter onto Wall User Manual    There are two sets of stainless fasteners supplied for attaching the backplate to  concrete wall and metal frame     a 65                                                                                                                   Fig  5 3 Dimensions of Fastener Set for Metal Frame unit  mm     5 3 2 Installing on Concrete Wall    Step 1 Remove backplate and fasteners from the packaging     Step 2 Place the backplate onto the chosen concrete wall and
49. etting  Press  gt  to move cursor right and Lower PF Ind 0 900  Press Vv to set the appropriate value  Confirm settings by Upper Power 100 0   Press ENTER   Parameter Explanation Default Range  Upper PF Cap Power factor of point P1 in the Q P  mode 1 09   1  curve  Lower Output power of point P1 in the Q P  mode 50  0    50   Power  curve  in     Lower PF Ind Power factor of point P2 in the Q P  mode 0 9 0 9   1  curve  Upper Output power of point P2 in the Q P  mode 100  50    10  Power  curve  in    i 0         Lower Power  lt Upper Power    76 SUNGROW    User Manual 10 Operation of LCD Display    General Q P  Curve Default Q P  Curve    P1 COS       COS       Upper PF  Cap           Lower Power Upper Power   50   100  P Pn     _ gt        P Pn        Upper PF Cap  Powe  1       Lower Power Upper Power    Inductive    Lower    Lower PF Ind  PF Ind  0 9    P2  Fig  10 3 Reactive Power Regulation Curve in Q P  Mode       Q U     Mode when the country selection is not    IT        The reactive power ratio changes with the grid voltage   If the country selection is not    IT     Italy   after selecting Q U  Lower Q Sn Ind 050 0   mode  Press Y to enter the Run param Q U  sub menu  Upper Q Sn Cap 050 0   For each item setting  Press  gt  to move cursor right and Lower U Limit 095 0     Press VY to set the appropriate value  Upper U Limit 115 0   Confirm settings by Pressing ENTER     Run param Q U      gt  Ul Limit    U2 Limit    Hysteresis       Parameter Explanation Default Ra
50. ge I Grid under  voltage   I  Min  V  time Stage II Grid under  voltage tripping time   Max F  prot Over frequency protection   I  Max F  grid Stage I Grid over frequency   I  Max F  time Stage I Grid over frequency tripping time   I Max F  grid Stage II Grid over frequency   I Max F  time Stage II Grid over frequency tripping time   Min F  prot Under frequency protection   I  Min F  grid Stage I Grid under frequency   I  Min  F  time Stage I Grid under frequency tripping time   IT Min  F  grid Stage II Grid under frequency   I  Min  F  time Stage II Grid under frequency tripping time  SUNGROW 81    10 Operation of LCD Display    Confirm settings by pressing ENTER and enter the     Setting confirmation    screen    Check all above mentioned parameter settings  Confirm  them by pressing ENTER  Cancel by pressing ESC and  reset        User Manual  Setting confirmation  Country Other  Grid code LV  LVRT OFF    Confirm above settings           i  When the Country or the Grid code or LVRT switch mode is changed   the protective settings will be unavailable unless the inverter is    re energized     10 12 Communication Parameters Setting    Main Screen Press ENTER     Menu screen Press Y x3    Set param Press ENTER   gt     Enter password Press ENTER  Press Y x3    Com param Press ENTER     Press  gt  to move cursor right and Press Y to set the  appropriate value  Confirm settings by Pressing  ENTER     The range of communication address is 1   247     82       Com param          A
51. grid company for solution     AC Side Circuit Breaker    An independent three or four pole circuit breaker  minimum size value 50A  for  each inverter must be installed at the output side to ensure that the inverter can be  securely disconnected     NOTICE  There are some points that are not allowed for the inverter        It is not allowed for several inverters to use the same circuit breaker     e It is not allowed to connect loads between inverter and circuit breaker     Residual Current Device    With an integrated universal current sensitive residual current monitoring unit  inside  the inverter is able to distinguish the fault currents from normal capacitive  leakage currents  The inverter will disconnect from mains as soon as a fault current  of more than limit value has been detected     However if an external RCD or residual current breaker is mandatory  the switch  must trigger at a failure current of 300mA or higher   Requirements of Multiple Inverters in Parallel Grid Connection    If several inverters are operated in parallel connection to grid  different  requirements should be obeyed        L1             Scenario 1  L2    gt   L3      Several inverters are operated N            in parallel connection to the PE  three phase Low Voltage grid                                            Inverter 1 Inverter2   eee   Invertern             30 SUNGROW    User Manual 6 Electrical Connection    Requirements     The sum of all inverters in parallel connection is limited t
52. h  Francaise  Italia  HC          Time       Format     Date     Time     YY MM DD    12 01 31    10 30 55          Warning     Only qualified personnel are  allowed to adjust following  parameters   Improper settings may cause  damage to the inverter           Countries       O GB O  O ES     O BE O    O NL O     Other    DE O FR O IT  AT O AU O CZ  DK O GR_LO GR_IS    PT    CHN    SE          51                7 Commissioning    User Manual    Refer to    10 11 Protective Parameters Setting    for country code explanation  If the  inverter is installed where the country code is not included  please choose item       Other    and manually set the protective parameters     If the country code is not set correctly during commissioning  reset the    protective parameters as dictated in    10 11 Protective Parameters Setting        There may be faults if otherwise        Step 7 Configure grid code on the display  Press v to  select grid code  Confirm the selection by  Pressing ENTER  Where  LV indicates Low  Voltage Grid Code  MV indicates Middle  Voltage Grid Code     Step 8 When choose MV  Press  gt  to enter the LVRT  function selection  Press v to switch on or off    the LVRT function and Press ENTER to confirm  the selection        Grid codes       O LV       MV  LVRT ON             If the Country selected does not have the    Grid codes    directives  this  i  configuration will not affect the following procedures     However  you may select the MV to enable disable the LV
53. ing          The contrast value ranges from 0 to 100  The recommended value is 50 or  60     SUNGROW 69    10 Operation of LCD Display User Manual    10 5 Detailed Running Information    On the main screen  there is some basic information about the inverter  For more  detailed running information  please operate as follows     Main Screen   Press ENTER    Menu   Run info   Press ENTER      LCD screen will show four detailed running information pages  Scroll pages by  pressing  gt   V                 DC power input    represents the total input power of  DC power input 00000W  PV1 and PV2  PV1 PV2     Vdc    indicates the DC voltage of each input  Vde V  0000 0   9000 0     Idc    indicates the DC current of each input  Idc A  000 0   000 0   Pdc    indicates the DC power of each input  Pdc W  00000   00000                   Indep   Paral mode    is the PV configuration mode of   Indep mode  the two PV inputs        indicates the corresponding input is at work        P W  is inverter output active power  P W 00000W     S Va    is inverter output apparent power       Country    is inverter selected country code      Grid code    is inverter selected grid code  sounmery ap    S Va 00000VA       Grid code LV          Vac    is phase voltage     aaa      lac    is phase current       Pac    is AC output of each phase  ee   ee  ee      F    is frequency of each phase  poe   Soe ee    ee  0000 0000                            F Hz  00 00 00 00 00 00     CO2 reduce    indicates total 
54. ly affixed and durable     50 SUNGROW    User Manual    7 2 Commissioning Procedure    7 Commissioning    If all checking items mentioned above meet the requirements  precede the  following procedures to start up the inverter for the first time     Step 1    Close external AC circuit breaker     Step 2 Rotate DC switch to    ON    position     Step 3 Language    Suppose there are sufficient sunlight and  enough DC power  PV arrays initialize and  supply DC power to inverter  The LCD display is  activated to check the validity first  If there is a  defect on the display  contact Sungrow     selection screen will prompt   Perform language settings with the right two  buttons  Detailed button functions can be  referred to    10 1 Description of Button  Function     Press v to choose language as you  prefer  Confirm the settings by Pressing  ENTER     Step 4 Configure time according to the local time     Step 5    Step 6    Time setting is very important  which directly  affects data logging  Press  gt  to move cursor  and Press y to scroll up time value  Confirm  the settings by Pressing ENTER     Select the country code according to the  inverter   s installation country  Each country  code represents corresponding local  protective parameters that have been preset  before delivery  Before country setting  there is  warning screen     Press v to choose country code  Confirm the  settings by Pressing ENTER     SUNGROW                   Languages       O00 0       English  Deutsc
55. munication    48 SUNGROW    User Manual 6 Electrical Connection    terminal definition is referred to the device manual     Step10 Verify the communication connection and configure    the  communication parameters     If there is more than one inverter to communicate with a PC or a data  i logger  it is crucial to configure the communication parameters of each  inverter  See    10 12 Communication Parameters Setting           Solarlnfo logger and RS485 232 converter are optional parts and can be  ordered from Sungrow                    Pin3   aTh z  RS485  a       RS 232 RS 485 RS422   RS232    PINGS 7 OR       SUNGROW 49       7 Commissioning    Commissioning is a critical part for a well installed PV system  which can protect  against fires  injury and electrical shock     7 1 Inspection before Commissioning    Before starting the inverter  you should check the following items should be  checked for requirements     1  Inverter unit is accessible for operation  maintenance and service   2  Re check that the inverter is firmly installed onto the wall   3  Space for ventilation well is provided for one inverter or more than one    inverter    Nothing is left on the top of the inverter unit    Inverter and accessories are correctly connected    Cables are routed in safe place or protected against mechanical damage   Specification of AC circuit breaker is reasonable     Terminals not used underneath the inverter are sealed     o po oe SS    Warning signs  amp  labels are suitab
56. n  including  LCD version and DSP version   The firmware version information is read only     74       Firmware version       LCD LCD_SG30KTL_V1 X M    DSP DSP_SG30KTL_V11_X          SUNGROW    User Manual 10 Operation of LCD Display    10 10 Running Parameters Setting    10 10 1 Main Menu of Run param    Main Screen Press ENTER     Menu screen Press Y x 3    Set param Press  ENTER    Enter password Press ENTER  Press VY     Run param Press ENTER     On the    Run param    screen  Press Y to move arrow to    one item and Press ENTER to start this item setting     For each item setting  Press  gt  to move cursor right and    Press Y to set the appropriate value   Confirm by Pressing ENTER        Run  param    P1 2        gt  Standby time 020s  Recovery time 030s  P W limits  Derating Slope 100 00     100   0        y       Run param    P2 2                                         gt  Q Var switch  0FF    PF  1 000  Q Var limits  100 0   Tab  10 4 Specification of Running Parameters   Parameter Explanation Default Range   Standby The time from inverter initialization to 30s 30   255s   time inverter feeding power to grid    Recover The time from the fault is cleared to 30s 0   900s   time inverter feeding power to grid   IT  300s  a   P W limits Inverter active power limits  100 0  0   100    Q Var Whether to start inverter reactive  Pf   Pf     Qt     Off    switch power adjustment function    Q P      Q U     1 000    0 900     PF Power factor  1 000  40 900    1 000  0    10
57. n Press Vv X3    Set param Press ENTER     Enter password Press ENTER      Sys param Press ENTER  Press wx2   gt   Energy adj Press ENTER     SUNGROW 73    10 Operation of LCD Display    On the    Energy adj    screen  Press  gt  to move cursor right  and Press Y to set the correct offset value    Confirm settings by pressing ENTER    The positive symbol         can be changed to the negative  symbol            The adjustment range is from  9999 to  9999 kWh    Energy adj value    Real measured value   E tot reading  value      10 9 4 Load Default  NOTICE    User Manual       Energy adj           0000kWh          All history accumulated information will be unrecoverable cleared and all  parameters will return to the default value except the protective parameters  and time  once the    load default    operation is performed     Main Screen Press ENTER    Menu screen Press Y X3    Set param Press ENTER     Enter password Press ENTER      Sys param Press ENTER  Press x3      Load    default Press ENTER    A password confirmation screen will occur  Press  gt  to  move cursor right and Press Vv to input the password  111111    Press ENTER to confirm    load default        10 9 5 Firmware Version       Load default       Password     000000             Main Screen Press ENTER     Menu screen Press Y X3    Set param Press    ENTER    Enter password Press ENTER    Sys param  Press ENTER  Press Y x4          Firmware version  Press ENTER     Inverter shows detailed firmware informatio
58. nce       DC over voltage protection       Over current protection        Power module over temperature protection    SUNGROW 11    2 Product Introduction User Manual    2 3 3 Derating    Derating the output power is a way to protect the inverter from overload and  potential malfunctions  Inverter   s derating function can be activated in the following  scenarios        PV input overload      Grid voltage too low   e Temperature too high  Inner temperature and power modules temperature   e Power limit setting on the inverter LCD display or remote dispatch       Grid frequency too high  when the Country selection is    DE    or    IT        PV Overload Derating    When the PV input power exceeds the defined Max DC Input Power  32 kW   the  inverter will reduce the power evenly to the maximum limit and keep the output  power at nominal value     PV out put    Max  DC  Input Power       Max  DC Input DC input  Power power    Fig  2 7 PV Overload Derating    Power Limit Setting    User may allocate output power value of the inverter via LCD control panel or the  remote dispatch from the grid company  Under this kind of power derating  the  operating states will display on the LCD screen     12 SUNGROW    User Manual 2 Product Introduction    Over temperature Derating    Power modules over temperature may result from high ambient temperature  poor  ventilation or fault of fans  Over temperature derating may protect the inverter as  well as the power modules against damage     e Wh
59. nge  Lower Q Sn Inductive Q Sn value of point P4 in the Q U  25  0    50   Ind mode curve   Upper Q Sn Capacitive Q Sn value of point P1 in the 25  0    50   Cap Q U  mode curve    Grid voltage limit  in    of point P1 in the    Lower U Limit 80  80    90   Q U  mode curve  A ay ar   f  Upper limit Grid voltage limit  in    of point P4 in the 115  110    115   Q U  mode curve    on      U1 Limit  Grid voltage limit  in    of point P2 in the 95  95    100   Q U  mode curve  TETE      U2 Limit  Grid voltage limit  in    of point P3 in the 105  100    105     Q U  mode curve  Hysteresis  Hysteresis voltage width  in    3  0    5    U1 Limit   Hysteresis  lt  U2 Limit   Hysteresis    SUNGROW 77    10 Operation of LCD Display User Manual    Q Sn    Upper  Q Sn                            U2 Limit        Upper U limit  m Grid voltage       Lower U limit U1 Limit                Lower  Q Sn                                                    Fig  10 4 Reactive Power Regulation Curve in Q U  Mode    10 10 3 Save P Q set       On the    Save P Q set    screen  Press Y to move arrow Save P Q set       to one item  Press  gt  to move cursor right and Press Y  to set   Confirm by Pressing ENTER    Save Q Var set  Y N      gt  Save P W limits  Y N     Select    Y    to save up the values set when power down   Select    N    to restore default values when power down        78    SUNGROW    User Manual 10 Operation of LCD Display    10 11 Protective Parameters Setting    Protective parameters 
60. nverter offers two buttons for the user to look up the running information and  configure parameters settings  The two buttons have multiple functions  Please refer  to Tab  10 1before any operation onto inverter     Tab  10 1 Button Function  Button Operation    Description       Press less than    Move upwards or downwards  or increase setting  value  Hereafter  it is referred to as    Press Y           two seconds  V Esc    Press more than  two seconds    Return to the previous menu or cancel the  command  Hereafter  it is referred to as    Press  ESC           Press less than    Move left or right  or turn pages  Hereafter  it is  referred to as    Press  gt            two seconds   gt  ENTER    Press more than  two seconds    Enter into the sub screen or confirm the  command  Hereafter  it is referred to as    Press  ENTER           The background illumination of the LCD screen will go out to save  power if there is no button operation after one minute  You can  activate it by pressing any button     66    SUNGROW    10 Operation of LCD Display    User Manual    Inverter Menu Structure    10 2                                                             YaLNa  T00 SS  Jppy e  wesed wo7  Ja  u0    Y3LNI  JS O NH O ld O WN O    5 weged w0  ee  SI yO1 Y9 O WG O 3A O  ja SIN w  eJed OJd  720 fv O lv OS O wesed uny  lI O Ws O 30d O 99 O wesed sAs  lt   s  q  uno   wesed jas   00 0OT   dols BuT e1aq   0  OOT S1TWT1 M d dois UaLNa  f        SOEO aWT    J  A02  Y   Y31LN3 A  yes 
61. o 34   Scenario 2   Several inverters are operated in parallel connection to low voltage side of MV    transformer  The high voltage side of MV transformer is connected to the Middle  Voltage Grid     Requirements     The sum of all inverters in parallel grid connection is limited to 34     The rate voltage on the low voltage side of transformer must meet the inverter  output electrical specification  A neutral point is necessary and must lead  outwards as neutral conductor                                                                                    Low voltage    U2     P Side NNNNA U1    V2       e Mm s  V1   w2   f     A 1 i  N   I  High voltage      Sid i    MV Transformer    S       Inverter 1   Inverter 2  eeee   Inverter n    The low voltage side of the transformer must be Y type     1MW transformer with a short circuit impedance less than 6  is  recommended        WARNING    As mentioned in the scenarios above  the total number of inverters is always    less than or equal to 34  If there are inverters more than the limited value   inverters may not operate normally        See technical information    Technical notes for multiple paralleled  i  grid connected inverters    in the download area  www sungrowpower com for more detailed information    SUNGROW 31    6 Electrical Connection User Manual    6 3 2 Grid Connection    An AC terminal block inside the connection cabinet is used for the five wire grid  connection  L1  L2  L3  N  PE  of the inverter  And feed in
62. ode  The reactive power ratio changes with the grid voltage  a we  Select Q U  mode and Press Vv to enter into the      ee     Run para Q U     sub menu  vis 108  0   Press V to navigate the cursor  Press  gt  to enter into the   eae  editing mode  then the selected parameter will be shaded  Seip  Press Vv to increase one step value  Press  gt  to decrease  one step value  Run param Q U  P474  Press ENTER to confirm the setting and exit from the Bout 009 0   editing mode     Curve a  4  Tab  10 8 Italy    Q U     Mode Parameters Explanation   Param  Explanation Default Range Step   V2i  Grid voltage at point D  in    90  90    110  1    V1i  Grid voltage at point C  in    92  90    110  1    V2s  Grid voltage at point A  in    108  90    110  1    V1s  Grid voltage at point B  in    110  90    110  1    Qmax The max  ratio of reactive power  in    90  50    100  1    Pin   Enter into the Q U  regulation mode 20  20   100  1    when the power is above Pin  Pout   Exit from the Q U  regulation mode 9  1    20  1   when the power is below Pout  Curve Curve type A A B    SUNGROW 85    10 Operation of LCD Display User Manual     V2i  lt  V1i  lt  V1s  lt V2s   Pin  gt  Pout        Capacitive   Qna  a       A  Default B    Fig  10 7 Reactive Power Regulation Curve in    IT    Q U  Mode    10 13 3 Protective Parameters Setting for Italy    If the    Countries    selection is    IT     Italy   the protective parameters settings  procedures are shown below           After    Grid code
63. oge Check the PV input configuration mode and  0023 has changed during    i restart the inverter when necessary   inverter running   muera ee ceed E 1  Inverter will recover if the deviation value  E i falls below the protective limit   0024 deviation of neutral point  2  If the fault occurs repeatedly  contact  voltage  i  Sungrow Service Dept    Inverter has checked out 1  Inverter will recover if the deviation value  0025 the unbalance of neutral falls below the protective limit   point voltage 2  If the fault occurs repeatedly  contact  temporarily  Sungrow Service Dept         58    SUNGROW       User Manual 9 Troubleshooting and Maintenance  Fault  Description Troubleshootin  Code p g  1  This is a short term fault  Wait a moment for  0026 There is high Bus inverter recovery     fluctuation voltage     2  If the fault still exists  please contact  Sungrow Service Dept         The DC current is not  balanced between the    1  Wait a moment for inverter recovery                                            0027   2  If the fault occurs repeatedly  contact  two PV inputs for parallel Sunaroi Sanice Dent  PV configuration mode  g pi    Inverter has checked the    0028 reverse polarity of py    Disconnectinverter   p    2  Reconnect PV strings   connection   The temperature of 1  Check whether AC output power exceeds  0036     i  module is too high norminal power too much   2  Check whether fans work normally and  whether there are some abnormal fans  Please  The ambient repla
64. on     3  Wait for at least ten minutes     Open the inverter as described in section    8 Disconnecting  Dismantling and  Disposing the Inverter      5  Observe the string fuse assignment and check the fuse conductivity using  the multimeter  A non conductive fuse indicates a fault in the affected string     6  Have the installer of the PV generator check the affected string and order the  fuse for the defective string fuse of the same specification from Sungrow     Ts Remove the blown string fuse        8  Insert the new fuse into the fuse holder     9  Close the inverter and startup the inverter again     Clean Air Inlet and Outlet    A huge amount of heat is generated in the process of running the inverter  The  inverter adopts a controlled forced air cooling method     In order to maintain good ventilation  please check whether there is anything  blocking the air inlet and outlet     Clean the air inlet and outlet with soft brush or vacuum cleaner if necessary     64 SUNGROW    User Manual 9 Troubleshooting and Maintenance    9 3 Contact Sungrow Service    Should you have any problems in operating on the inverter  please contact us   Service hotline   86 551 65327817  Email  service sungrow cn    We need the following information to provide you the best assistance        Type of the inverter  e Serial number of the inverter  e Fault code name       Brief description of the problem    SUNGROW 65       10 Operation of LCD Display    10 1 Description of Button Function    I
65. on respectively  It  provides information on type of inverter  along with the most important  specifications  marks of certification institutions  website and serial number which is    available and identified by Sungrow                    SG30KTL                   DC Input       min  MPP voltage          max  MPP voltage          max  Input voltage             SG30KTL M             DC Input       min  MPP voltage          max  MPP voltage          max  Input voltage          max  Input current  Isc PV 2 40A  AC Output    max  Input current  Isc PV 80A                AC Output          Rated output power 30000W  Rated output voltage S N PE 230V 400V  Rated output frequency 50Hz   Max  Output current 48A    Rated output power 30000W  Rated output voltage 3 N PE 230V 400V  Rated output frequency 50Hz   Max  Output current 48A                                                    Safety Class I  Enclosure IP55 Fans   IP65  Other     Ambient temperature  25  C    60  C    Safety Class I  Enclosure IP55 Fans   IP65  Other   Ambient temperature  25  C    60  C  Overvoltage Category HI MAINS   HPV                                                     Overvoltage Category II MAINS   HPV        SUNGROW POWER SUPPLY CO   LTD   WWW SUNGROWPOWER COM ___MADE IN CHINA    SUNGROW POWER SUPPLY CO   LTD  WWW SUNGROWPOWER COM MADE IN CHINA                            Fig  4 2 Nameplate of Inverters  without serial number      Image shown here is indicative only  Actual product you receive may differ
66. panel configuration can be performed via the LCD display panel    gt  Connection They are DC input terminals  AC output terminal and RS485   terminals communication terminal   3 Handles The handles are designed for holding the unit when   transporting  installing or servicing   cond PE   ae are   4 a   Second protective earth terminals as specified in EN 50178    Terminals  5 Air outlet Exit of hot air during the inverter operation   6 Mounting ear Itis used for hanging inverter onto the backplate   7 Fans There are four fans to perform controlled forced air cooling      During normal operation it is in    ON    state  It can shut down  8 DC switch   J   p   STORE B  the inverter immediately in    OFF    position    9 Air inlet Entrance of cool air        SUNGROW    2 Product Introduction User Manual    2 2 2 Dimensions of Inverter    634  620             POT ALL                                                                                                       819 2  E                                                                Ji      Fig  2 3 Outline Dimensions of Inverter  unit  mm           2 2 3 LCD Display Panel    As a human computer interaction interface  LCD display panel comprises LED  indicators  buttons and LCD display screen on the front panel of the inverter     LEDs indicate the working status of the inverter  The current running information shown on the LCD display  Malfunction records shown on the LCD display    Inverter configuration by pressing the bu
67. r   In this mode the inverter will wait until the DC voltage recovers    Stop The inverter is shut down    Key siop The inverter will stop operation by manual    Stop    through LCD  menu    Start    The inverter is initializing and synchronizing with the grid    Upd fail IAP  In Application Programming  update fails  If a fault occurs  the inverter will automatically stop operation   trigger the AC relay and show    Fault    on the LCD with the    FAULT      Fauli indicator lit   Once the fault is removed in recovery time  set by user  see    10 10  Running Parameters Setting      the inverter will automatically  resume running    Warning Inverter has checked out some warning information        68    SUNGROW    User Manual 10 Operation of LCD Display    If inverter is in    Fault    state  Press  gt  V to view multiple    Current fault    information  pages  To know the meaning of the fault code  please refer to    9 1 2 Troubleshooting  of Faults in LCD Screen       Current fault P 1 2  Fault pages    Fault Fault code  Fault    Fault  Fault    Warning       Tab  10 3 Icon Description                Icon Description   O Inverter is in IAP update process    DI Inverter in power reduction state   of Fans inside are working    kA Inverter is warning the running state        10 4 Adjust Contrast          1  Press ESC to enter into the contrast adjustment screen   Press Y to increase the setting value and press  gt  to decrease the value   Press ENTER to confirm the contrast sett
68. r cable Max  Withstand Max  input current  Area Range diameters Voltage for each PV string   2  aon 6   9mm 1000V 10A    12AWG   10AWG    NOTICE    The input current of each input channel should be less than 10A  otherwise  the fuse may blow out     DC Cable Connection Procedures    7 DANGER    Make sure that all the DC and AC cables to the inverter are not live before  you start the electrical work        Step 1 Strip off 7mm insulation layer from  all DC cables        Step 2 Assemble cable ends with crimp Positive Crimp Contact    contacts by crimping pliers  wv     N    a egative Crimp Contact    SUNGROW 39    6 Electrical Connection User Manual    Step 3 Lead cable through cable gland  Positive Insulator    Step 4 Insert the crimp contact into the  insulator until it snaps into place   Then pull gently to check if it is  correctly engaged     Step5 Screw the cable gland to front  insulator with tightening torque  2 5   3 N em        i  For further assembly and connection instruction  please visit the webpage  of the device manufacturer     Step 6 Make sure the connection cable of PV string for the correct polarity     NOTICE    The inverter will not function properly if the DC polarities are reversed     Step 7 Disconnect the DC switch        Step 8 For SG30KTL M  configure PV configuration mode via a jumper according to  actual PV conditions  Please refer to 6 4 2 PV Inputs Configuration of  SG30KTL M     If inverter selects parallel PV configuration mode  connect DC1  t
69. r less and grid connected inverters SG30KTL and  SG30KTL M are illustrated in Fig  2 5 and Fig  2 6     PV strings input voltage is transmitted to DC BUS via Boost circuit     e The SG30KTL is equipped with one MPPT for DC inputs to ensure that the  maximum power can be utilized     e The SG30KTL M is equipped with MPPTs for two DC inputs to ensure that the  maximum power can be utilized even in different PV modules installation  conditions    Inversion circuit converts DC power into AC power  which will be fed into the utility    grid via five core terminals  Protective circuits are designed to guarantee inverter  safe operation and human safety     A DC switch is integrated for safe disconnection of DC current  The inverter provides  standard interface RS485 for communication  Inverters are also provided running  records display and parameters configuration via human computer interface     LCD  display panel                                                                                                                                                                                                                                                                                                                                                  DC Switch a     co y  SS   DC Bus Inversion E ee     ee  ga Py  DCEMC   MPPT L ias ac H ae ala  Pm Ea        md Filter  Boost  Reactor j  i    L315  oe    T J A Filter L NIO   J 57 H E E e      Ha   I i 4 PE    DC SPD   6    Auxiliary cle 
70. rid Code    When choose MV  Press  gt  to enter the LVRT function  selection  Press Y to switch on or off the LVRT function  and Press ENTER to confirm the selection     Note  If the Country selected does not have the    Grid  codes    directives  this configuration will not affect the  following procedures    However  you may select the MV to enable disable the  LVRT function regardless of the country selected    Press Y to select protective parameter type  Press ENTER  to confirm the selection     If the country selection is    IT     Italy   the Pro param menu  right will show  refer to the 10 13 3 Protective Parameters  Setting for Italy for detailed settings              User Manual  Grid codes  O LV  A     MV  LVRT ON  y             Pro param              Single stage       Multi stage          Pro param    gt  Pro Stage  I     Fmax recover 50 10Hz  Fmin recover 49 90Hz    Vmax recover 253 00QV       Vmin recover 195 5V       Single stage Protective Parameter  when the country selection is not    IT        If the selected protective parameter type is    Single stage      the following sub menu will come up    Press Y to select parameter  Press  gt  to move cursor right  and Press Y to set the appropriate value  Confirm settings  by Pressing ENTER     Tab  10 5 Single stage Protective Parameter Explanation       Pro param single           gt  Max V grid 276 0V  Min V grid 184 0V  Max F grid 51 50Hz  Min F grid 49  80Hz                   Parameter Explanation   Max V grid
71. rrect the  connection of PV1 inputs   0077 PV2 overload Check the PV system design and correct the    connection of PV2 inputs        60    SUNGROW    User Manual 9 Troubleshooting and Maintenance    9 2 Maintenance    9 2 1 Routine Maintenance                               Items Methods Period  Save the running data  parameters and log to a  Save data disk or a file  Once a month  Refer to the manuals of the data logging devices   Visual check any damage or deformation of the  inverter   General Check any abnormal noise during the running of  state of the inverter  Every 6 months  system Check each parameter of inverter operation   Check if the temperature of the housing is normal   Monitor the system using the thermal imager   Check the temperature and dust of the inverter   Clean the inverter enclosure  Six months to a  System Check the humidity and dust of the environment  year  it depends  clean Meanwhile check whether the filter function of on the dust  the air inlet is ok  Clean the air inlet and outlet  contents in air    when necessary   Check whether cable connections are loose   Tighten the loose connections  Six months after  Electrical Check whether there is injury in the cables  commissioning  connection especially the surface in contact with metal  and then once or  Check whether the wrap belt of the connection twice a year   terminals is strip off   Check whether there is crack of the fan blade  Check whether there is any abnormal noise of the  Fans   Once a y
72. rvation     8 3 Disposing the Inverter    Users should take the responsibility for the disposal of the inverter     NOTICE    Some parts and devices in the inverter  such as LCD displayer  batteries   capacitors  may cause environment pollution  Users must comply with the  related local regulations to avoid causing pollution     SUNGROW 55       9 Troubleshooting and  Maintenance    9 1 Troubleshooting    9 1 1 Troubleshooting of LED Indicator    See    Tab  2 2 Description of LED Indicator Status    for definition of LED s states     Type of fault    Troubleshooting       LED indicators  and LCD screen  cannot be lit    1  Disconnect AC side circuit breaker   2  Rotate DC switch to the    OFF    position   3  Check the polarity of DC input           RUN    indicator    1  Disconnect AC side circuit breaker    2  Rotate DC switch to the    OFF    position    3  Check the correctness of electrical connection of inverter  See    6  Electrical Connection           Se 4  Check whether DC input voltage exceeds the inverter start  voltage of inverter   5  If all above conditions are OK  please contact with Sungrow   1  A fault is not removed yet      Fault    2  Perform troubleshooting in according to fault type in LCD  indicator is lit screen  See    9 1 2 Troubleshooting of Faults in LCD Screen        3  If it cannot be solved  please contact Sungrow        9 1 2 Troubleshooting of Faults in LCD Screen    When faults occur     Fault    state will be shown on the main screen  Pres
73. s    selection  you may enter into the ITi Italy       Pro param    sub menu  Pro param   Press Vv to select parameter  Press  gt  to move cursor right  gt  Pro Stage  nis  and Press Y to set the appropriate value  Confirm settings Fmax recover 50  10Hz  by Pressing ENTER  Fmin recover 49 90Hz    Vmax recover 253 00V  Vmin recover 195 5V       Tab  10 9 Italy Grid protection Recovery Value                Parameter Explanation  re Inverter can start operating only when the grid frequency is below  evan Fmax recovery    The fault recovery value when the grid over frequency occurs   Emin Inverter can start operating only when the grid frequency is above  em Fmin recovery    The fault recovery value when the grid under frequency occurs   Vmax Inverter can start operating only when the grid voltage is below Vmax  Eo recover    The fault recovery value when the grid over voltage occurs   Vmin Inverter can start operating only when the grid voltage is above Vmin  Ea recover     The fault recovery value when the grid under voltage occurs        86    SUNGROW    User Manual       IT    Stage   Protective Parameter    10 Operation of LCD Display                      If the selected protective parameter is    Pro stage I     the 7 Peremsingte  following sub menu will come up  a    Peano  Press V to select parameter  Press  gt  to move cursor right Aa     aeeyen  and Press Y to set the appropriate value  Confirm settings Max F grid 51 50Hz  by Pressing ENTER  Min F grid  47 50Hz  Tab  10
74. s   inverters  battery chargers and other power supplies for distributable generation  system in both grid connected and stand alone applications  The power rating of  Sungrow products covers from hundred watt to mega watt systems     The vision of Sungrow is to help our customers acquire stable and clean power with  minimum cost  maximum reliability and enhanced safety   Contact Information    Should you have any question about this product  please contact us     Company  Sungrow Power Supply Co   Ltd   Website  www sungrowpower com  Email  info sungrow cn  service sungrow cn  No 2 Tianhu Rd   New  amp  High Technology Industrial Development  Address       Zone  Hefei  P R China  Zip  230088  Telephone   86 551 6532 7834   86 551 6532 7845  Fax   86 551 6532 7856    92 SUNGROW    SUNGROW    Green and Effective       Specifications are subject to changes without advance notice     
75. s SG30KTL SG30KTL M  Input Side Data  Max  PV input power 32000W  Max  PV input voltage 1000V  Startup voltage 300V  Nominal input voltage 650V  MPP voltage range 280   950V  MPP voltage range for nominal power 480   800V  No  of MPPT s  1 2  Max  number of PV strings per MPPT 10 5  Max  PV input current DC1 DC2  66A 66A 33A 33A   Max  input current for input connector 10A  Short circuit current of PV input   DC1 DC2  80A 80A 40A 40A   Output Side Data  Nominal AC output power 30000W  Max  AC output apparent power 33120VA  Max  AC output current 48A  Nominal AC voltage 3 N PE  230 400Vac  AC voltage range 310   480Vac   May vary as per corresponding country   s  grid standard    Nominal grid frequency 50Hz  Grid frequency range 45   55Hz   May vary as per corresponding country   s  grid standard         THD     lt  3    at nominal power        DC current injection     lt 0 5 ln                         Power factor  gt 0 99 default value at nominal power   adj  0 9 overexcited   0 9 underexcited    Protection   Anti islanding protection Yes   LVRT Yes   DC reverse connection protection Yes       SUNGROW    89                                     Parameters SG30KTL SG30KTL M  AC short circuit protection Yes   Leakage current protection Yes   DC switch Integrated   DC fuse Integrated  Overvoltage protection Type II DIN rail surge arrester  System data   Max  efficiency 98 3    Max  European efficiency 98 0        Isolation method    Transformerless       Ingress protection rating
76. s Y to view  multiple    current fault    information pages     Fault  Code    Description Troubleshooting       The grid voltage has  0002 exceeded inverter  allowable upper limit     1  Check the voltage of the grid    2  If the grid voltage exceeds the permissible  range of inverter protective parameters  ask  utility grid company for solution    3  If the grid voltage is within the permissible  range  contact Sungrow Service Dept         56    SUNGROW    User Manual    Fault  Code    Description    9 Troubleshooting and Maintenance    Troubleshooting       Inverter has checked that                                  the instantaneous 1  This is a short term fault due to grid  0003 sample value of the grid condition  Wait a moment for inverter recovery   voltage exceeds the 2  If the fault still exists  please contact  allowable limit for some Sungrow Service Dept    time   1  Check the voltage of the grid   The arid    Voltage  has 2  If the grid voltage exceeds the permissible  0004 fallen below inverters Oe of inverter protective parameters  ask  allowable lower limit  utility grid company for solution   3  If the grid voltage is within the permissible  range  contact Sungrow Service Dept    1  This is a short term fault due to grid  0005 The grid voltage is too condition  Wait a moment for inverter recovery   low  2  If the fault still exists  please contact  Sungrow Service Dept    The AC output cutrent 1  The inverter will resume if the output current  0006 beed TEBE f
77. s during replacement     Others  NOTICE  The selected country settings can be changed by qualified personnel only     Unauthorized modification to country settings should be prohibited   Alternation of the country settings may cause a breach of the  type certificate marking        WARNING    All safety instructions  warning labels and nameplate on the inverter body     e Must be clearly visible      Must not be removed  covered and pasted        4 SUNGROW    User Manual 1 Safety Instructions       WARNING    These regulations should also be followed        The regulations related to the electricity fed into grid   e The safety instructions related to PV arrays   e The safety instructions related to other electrical device        SUNGROW       2 Product Introduction    2 1 Intended Usage    SG30KTL and SG30KTL M  They will be referred to as inverter hereinafter unless  otherwise specified  which are a 3 phase string inverter without transformer  are  crucial unit between the PV strings and utility grid in the PV power system     Inverter is dedicated to converting direct current power generated by the PV  modules into alternating current  which conforms to parameters of local utility grid   and feeds it into the utility grid  The intended usage of the inverter is illustrated in  Fig  2 1        WARNING    Inverter CANNOT be connected to the PV modules  the positive or negative  terminal of which needs to be grounded                                                A             
78. s terminal blocks     Step 3 According to the position of the inverter  refer to the prior section   repeat  step 1   2 to connect the other RS 485 cables     Step 4 Pull cables outwards to confirm whether they are fastened firmly     Step 5 According to the position of the inverter  refer to the prior section  switch ON  or OFF the terminating resistor     Step 6 Tighten the tread lock sealing lock  Block off the vacant terminals to protect  the inverter   s internal from dust and moisture     Step 7 If there is no other connection procedure  recover and fix the front cover of  the connection cabinet     Step 8 Now perform RS485 communication connection as the diagram shown  above  Connect the other end of cable to other devices  Communication  terminal definition is referred to device manual     Step 9 Verify the communication connection and configure the communication  parameters     If there is more than one inverter to communicate with a PC or a data  i logger  it is crucial to configure the communication parameters of each  inverter  See    10 12 Communication Parameters Setting           SolarInfo logger and RS485 232 converter are optional parts and can be    ordered from Sungrow        RS232       i    RS485                            SUNGROW 47    6 Electrical Connection User Manual    RJ45 Connection  Step 1 Lead shielding Ethernet cable through communication cable gland to the  configuration circuit board     Step 2 Use the Ethernet crimper to crimp the cables and
79. ss                                        Fig  2 1 Application of the inverter of the PV Power System    Item Description Note       Monocrystalline silicon  polycrystalline silicon and             i pune  thin film without grounding of protection class II  B Inverter SG30KTL  SG30KTL M   C Metering device meter cupboard with power distribution system  D Utility grid TT  TN C  TN S  TN C S        If the PV system exceeds the capacity of one inverter  it is possible to make a  multiple connection of several inverters into the PV system  with each one  connected to an appropriate section of PV inputs and on the AC side they  connected in parallel to the grid     6 SUNGROW    User Manual    NOTICE    Any other or additional usage is not permitted except the intended usage     2 Product Introduction    Inverter may only accept PV modules with Protection Class Il as its input     Inverter may only be connected to utility grid via distribution board  Local  loads  home appliance  lights  motor loads  etc   cannot be connected  between inverter and AC circuit breaker on the distribution board     Additionally  the unit is intended for fixed installation  Located on a part  that is not removable without impairing the operation of the unit     2 2 Product Description    2 2 1 Product Appearance                                                 Yi  6 By 7  F 8  Fig  2 2 Product Components Description   Item Name Description  1 LCD display Inverter operation data viewing and parameters   
80. terface to a PC with monitoring software  such as Solarlnfo Insight   or to data  logging device  such as Solarlnfo Logger      RS485 is the standard communication choice for inverter     There are communication terminals  RS485  at the bottom of the inverter  And there  apply two optional connection terminals on the configuration circuit board  RS485  A B terminal blocks and RJ45 plug in terminals     In the case of a need of terminating resistor  switch on the 1200 terminating resistor  switch  a terminating resistor will be connected between the communication cables  of the inverter     Configuration circuitboard    1200 terminating  resistor switch    fi       1200hM  ey    RS485 bus RS485 RJ45  terminals terminals    Fig  6 6 Communication related devices on the Configuration Circuit Board                Ze       Before communication connection  prepare communication cable and RJ45 plug     NOTICE   RS485 cable   s requirements to ensure quality of communication   e Twist pair type cable   e Twist pair type shielding Ethernet cable    O A converter such as RS485 232 converter or Solarlnfo Logger  which  converts 485 to 232 signal  is needed between inverter and PC     44 SUNGROW    User Manual 6 Electrical Connection    6 6 2 Communication System    For Single Inverter    Where there is only one inverter  a RS485 cable enables connection between  inverter and data logging device           Inverter                               Communication Connection          Inverter  
81. the inverter is less  than  0 12uf kW    30kW  otherwise the inverter will not function properly        WARNING    Before connecting the PV arrays to the inverter  make sure that the    impedances between the positive terminal of the PV string and Earth and  the impedances between the negative terminal of the PV string and Earth  are larger than 1Mohm        6 4 1 PV Inputs Configuration of SG30KTL    All PV strings connected to the SG30KTL should have a homogenous structure   including the same type  the same number  identical tilt and identical orientation     The following electrical specifications must be met simultaneously     Total DC Power Limit Open circuit Voltage Short circuit Current  for the SG30KTL Limit for Each Input Limit for Total Input  32kW 1000V 66A          You should also take the negative open circuit voltage temperature coefficient into  consideration when designing the PV string     NOTICE    There is a risk of inverter damage  The following requirements should be met   otherwise they will lead to loss of any and all warranty rights     e Make sure that the maximum short circuit current of each DC input is less than  inverter allowable limit     e Make sure that the maximum open voltage of each string is less than 1000V   Voltage over 1000V can damage the inverter     SUNGROW 35    6 Electrical Connection User Manual    6 4 2 PV Inputs Configuration of SG30KTL M    The SG30KTL M inverter has two PV input areas DC1 input and DC2 input  each  owning its
82. trical connection in the reverse procedures in the    6  Electrical Connection        5  Lift up the inverter over the backplate with the help of others and then  remove it from the wall     Place the inverter onto the platform     Loosen the screws as the right diagram  shown                                         62 SUNGROW    User Manual 9 Troubleshooting and Maintenance    8     9     10     11     12   13   14   15     Disassemble the metal plate slightly                                                                       Release the locking part of four  connectors by pressing on the ribbing of  the locking hooks and pull outwards                                         Remove fans from the inverter                                                        You can clean the dirty fans with soft brush or vacuum cleaner  Or replace the  broken fans     Re assemble the fans onto the inverter    Connect the four connectors and fasten them with cable ties   Assemble the plate by fastening the four screws    The inverter can be put into the application again     SUNGROW 63    9 Troubleshooting and Maintenance User Manual    Replacing the String Fuses    For optional version inverter  it is necessary to replace the blown string fuses due to  overcurrent     To do so  proceed as follows     1  Disconnect AC circuit breaker     2  Turn off the upstream DC circuit break or cover the PV arrays with opaque  materials  Rotate DC switch at the side of inverter to the    OFF    positi
83. ttons       1     2             RUN Ox    1 2  io yo             Fig  2 4 LCD Display Panel    Tab  2 1 LCD Display Panel Description    No  Name Description       1    LED    RUN    and    FAULT     Inverter current state can be known from the  indicators two indicators  Detailed definition is shown in Tab  2 2        Navigate in the LCD menu  set values and so on  Detailed       2 B n aa  ia function is shown in Tab  10 1    3 LCD LCD screen can display current state of inverter  current running  screen information  history information and parameters to be set        SUNGROW    User Manual    2 Product Introduction    Tab  2 2 Description of LED Indicator Status                      LED Status Description   EAL Inverter is feeding AC power to the utility grid       RUN     off  A malfunction happens       FAULT     on or protection function triggers       RUN     off  Inverter is not energized       FAULT     off or there is a communication error between DSP and LCD        2 2 4 DC Switch    DC switch is designed for safely disconnecting the DC input current if required     The inverter works automatically when input and output meet the requirements   Rotating DC switch to the    OFF    position will immediately cut off the flow of DC    current        Rotate the DC switch to the    ON    position  before restarting the inverter     SUNGROW    2 Product Introduction User Manual    2 3 Technical Description    2 3 1 Principle Description    The principle design of transforme
84. uctions of AS 4777 1        WARNING    Improper operation during the wiring process can cause fatal injury to the  operator or unrecoverable damage to the inverter     Only qualified personnel can perform the wiring work        Prior to any electrical connection  keep in mind that inverter has dual power  supplies  It is mandatory for technical personnel to wear personal protective  equipment  helmet  footwear and gloves during the electrical work     6 1 Simplified Electrical Connection Diagram    Connecting inverter to the existing PV system includes connecting inverter to local  grid and connecting inverter to PV arrays  There may be communication connection  for monitoring inverter operation if necessary     All electrical connection should follow the National Wiring Rules of Standard AS NZS  3000              Inverter  Connection  cabinet    SUNGROW                                                                                     gt        l Q g  5 i is   gt  E    A         lt            F RS483__  To communication device       Fig      6 1 Simplified Electrical Connection Diagram    28 SUNGROW    User Manual    6 2 Terminals Description    All electrical terminals and cable openings    connection cabinet as Fig  6 2     6 Electrical Connection    of the inverter are located at the       r    i                                                                                                                                                                                  
85. uring  installation  operation and maintenance of the inverter  And they will be highlighted  by the following symbols     DANGER indicates a hazard with a high level of risk which  if not avoided   will result in death or serious injury     A WARNING    WARNING indicates a hazard with a medium level of risk which  if not  avoided  could result in death or serious injury     CAUTION indicates a hazard with a low level of risk which  if not avoided   could result in minor or moderate injury        NOTICE    NOTICE indicates a situation which  if not avoided  could result in equipment or  property damage       NOTE indicates additional information  emphasized contents or tips to  help you solve problems or save time     Symbols on the Inverter Body    AC    This symbol indicates that you should wait at least 10 minutes  after disconnecting the inverter from the utility grid and from  the PV input before touching any inner live parts        A    Hot surface  In order to reduce the risk of burns  do not touch  the hot surface when the device is running        Look over the user manual before any operation on the  inverter        A    The installation and service of the inverter unit can only be  performed by qualified personnel                   STOP 1   ee ety    Do not disconnect DC connectors from the unit under load        Contents    Safety Instructions iscescsssscsvssnnscessscddaavessvcteossaccessonssecsosovedessansevel    Product Introduction          ccccccccccccccccccccc
86. ust COMUCASE cases coc cedcuseerealecscvinstacorecserctlidesac exude icreleen cote neneieosarans 69  10 5 Detailed RUNNING Information        sss sesseessseessssesssseesssseessseresseesosseessssersssseesss 70  106 History RECOTO S sonh E A A 71  10 6 1 Running Information RecordS           sessessssseeesssssesessssecsosssseesssseeeessseeresssseesssss 71  10 02 Faut RECO S aaa E A aN 71  107 Start and Stop INVeNter csc wsiucessarasteuuautcunmsienamicatione 72  10 8 Input Parameter Settings Password          ss esesessssessseesssessseessseesseesnsessseeossees 72  10 9 System Parameters Setting            cscscsssssesessssesesssscseasssasessssssessssssescacacecesaees 73  TOO Language Setting merene EA 73  1992 Time SERINO uaea edeee scales nears temncaeien ers 73  10 9 3 Energy Deviation AdjUStMEeNL          cccccsssscssssessecsssessecssscsssssscsssesseeesseesssees 73  1094 Load  DCT AUN sao sciessttes teeta iaceeet ich avin ion tiene chtiatae ancients  74  10 9 SAR IRIIWATEV CrSlOls acta ed iene E R ean lide aed 74  10 10 Running Parameters Setting         essessesssesscssesseserosesseoseossessoeeoseeseroseoseeseessesse 75  10 10 1 Main Menu of Run paramM    s  sssseessseessssesesseesesseesosseessssceosseeesseeeesseeeosseesssserssss 75  10 10 2 Reactive Power REQulation           ccscsssssssssssssesssssssecsssscssssssscassessssessssessecessees 76  10103 SAVE P O Sat erie ce ss eat teal A ie dk cee eat  78  10 11 Protective Parameters Setting            ssssssssssssssssssssscace
    
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