Sungrow SG9.0RS User Manual
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Sungrow SG9.0RS User Manual

1-phase pv grid-connected inverter
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1-Phase PV Grid-Connected Inverter
User Manual
SG5.0RS-ADA / SG8.0RS / SG9.0RS / SG10RS
SG5.0RS-ADA /
SG8.0RS / SG9.0RS / SG10RS1-
Phase PV Grid-Connected
InverterUser ManualSG5.0-10RS-
UEN-Ver13-202203
SG5.0-10RS-UEN-Ver13-202203

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Summary of Contents for Sungrow SG9.0RS

  • Page 1 1-Phase PV Grid-Connected Inverter User Manual SG5.0RS-ADA / SG8.0RS / SG9.0RS / SG10RS SG5.0RS-ADA / SG8.0RS / SG9.0RS / SG10RS1- Phase PV Grid-Connected InverterUser ManualSG5.0-10RS- UEN-Ver13-202203 SG5.0-10RS-UEN-Ver13-202203...

  • Page 3: All Rights Reserved

    Software Licenses • It is prohibited to use data contained in firmware or software developed by SUNGROW, in part or in full, for commercial purposes by any means. • It is prohibited to perform reverse engineering, cracking, or any other operations that...

  • Page 4: About This Manual

    Please read this manual carefully before using the product and keep it properly at a place for easy access. All contents, pictures, marks, and symbols in this manual are owned by SUNGROW. No part of this document may be reprinted by the non-internal staff of SUNGROW without written authorization.
  • Page 5 Symbols This manual contains important safety instructions, which are highlighted with the following symbols, to ensure personal and property safety during usage, or to help optimize the prod- uct performance in an efficient way. Please carefully understand the meaning of these warning symbols to better use the manual. Indicates high-risk potential hazards that, if not avoided, may lead to death or seri- ous injury.

  • Page 7: Table Of Contents

    Contents All Rights Reserved .....................I About This Manual......................II 1 Safety .........................1 1.1 Unpacking and Inspection ................1 1.2 Installation Safety ...................1 1.3 Electrical Connection Safety................2 1.4 Operation Safety ....................3 1.5 Maintenance Safety ..................4 1.6 Disposal Safety ....................4 2 Product Description ..................5 2.1 System Introduction ..................5 2.2 Product Introduction..................6 2.3 Symbols on the Product ..................8...
  • Page 8 5.2 Terminal Description ..................24 5.3 Electrical Connection Overview ..............25 5.4 External Grounding Connection ..............27 5.4.1 External Grounding Requirements............27 5.4.2 Connection Procedure.................27 5.5 AC Cable Connection ...................28 5.5.1 AC Side Requirements ................28 5.5.2 Connecting the AC Cable ..............30 5.6 DC Cable Connection ...................32 5.6.1 PV Input Configuration ................33 5.6.2 Assembling the PV Connectors ............33 5.6.3 Installing the PV Connectors ..............35...
  • Page 9 7.10.1 System Parameters................67 7.10.2 Operation Parameters ...............67 7.10.3 Power Regulation Parameters............68 7.10.4 Communication Parameters...............73 7.10.5 Firmware Update ................74 8 System Decommissioning ................76 8.1 Disconnecting the Inverter................76 8.2 Dismantling the Inverter ................76 8.3 Disposal of the Inverter .................77 9 Troubleshooting and Maintenance ..............78 9.1 Troubleshooting ...................78 9.2 Maintenance ....................85...

  • Page 11: Safety

    Perform operations considering ac- tual onsite conditions. • SUNGROW shall not be held liable for any damage caused by violation of gen- eral safety operation requirements, general safety standards, or any safety in- struction in this manual.

  • Page 12: Electrical Connection Safety

    1 Safety User Manual Improper installation may cause personal injury! • If the product supports hoisting transport and is hoisted by hoisting tools, no one is allowed to stay under the product. • When moving the product, be aware of the product weight and keep the balance to prevent it from tilting or falling.

  • Page 13: Operation Safety

    User Manual 1 Safety Damage to the product caused by incorrect wiring is not covered by the warranty. • Electrical connection must be performed by professionals. • All cables used in the PV generation system must be firmly attached, properly insulated, and adequately dimensioned.

  • Page 14: Maintenance Safety

    To avoid the risk of electric shock, do not perform any other maintenance opera- tions beyond this manual. If necessary, contact SUNGROW for maintenance. Oth- erwise, the losses caused is not covered by the warranty. Disposal Safety Please scrap the inverter in accordance with relevant local regulations and stand- ards to avoid property losses or casualties.

  • Page 15: Product Description

    The intended usage of the inverter is illustrated in the following figure. figure 2-1 Inverter Application in PV Power System Description Item Note Compatible with monocrystalline silicon, polycrystalline silicon, PV strings and thin-film modules without grounding. SG5.0RS-ADA, SG8.0RS, SG9.0RS, SG10RS. Inverter Metering device Meter cupboard with power distribution system.

  • Page 16: Product Introduction

    2 Product Description User Manual Description Item Note Utility grid TT，TN-C，TN-S, TN-C-S. House loads that consume electricity. Loads The following figure shows the common grid configurations. Product Introduction Model Description The model description is as follows (take SG8.0RS as an example): Appearance The following figure shows the appearance of the inverter.
  • Page 17 User Manual 2 Product Description figure 2-2 Inverter Appearance Description Name To safely disconnect the DC circuit whenever necessary. DC switch Information about COM2 pin definition, supported DRM Communication modes, etc. label Complement to the included wall mounting bracket for hang- Hanger ing the inverter.

  • Page 18: Symbols On The Product

    2 Product Description User Manual figure 2-3 Dimensions of the Inverter Inverter Model W (mm) H (mm) D (mm) SG5.0RS-ADA, SG8.0RS, SG9.0RS, SG10RS Symbols on the Product Symbol Explanation Parameters on the DC side. Parameters on the AC on-grid side.

  • Page 19: Led Panel

    User Manual 2 Product Description Symbol Explanation Read the user manual before maintenance! Burn danger due to the hot surface that may exceed 60℃. Danger to life due to high voltages! Do not touch live parts for 10 minutes after disconnection from the power sources.

  • Page 20: Circuit Diagram

    2 Product Description User Manual table 2-1 State description of the LED indicator LED color State Definition The inverter is operating normally. The inverter is at standby or startup state (not Flashing feeding power into the grid). Blue A system fault has occured. Both the AC and DC sides are powered down.

  • Page 21: Function Description

    After communication connection is established, users can view inverter information, op- erational data and can set inverter parameters through the iSolarCloud. It is recommended to use the communication module from SUNGROW. Using a device from other companies may lead to communication failure or other un- expected damage.
  • Page 22 2 Product Description User Manual Several protective functions are integrated in the inverter, including short circuit protec- tion, grounding insulation resistance monitoring, residual current protection, grid monitor- ing, DC overvoltage/overcurrent protection, etc. DRM ("AU"/"NZ") The DRM function is only applicable to a single inverter. The inverter provides terminals for connecting to a Demand Response Enabling Device (DRED).
  • Page 23 User Manual 2 Product Description When the PID recovery function is enabled, there will be a power consumption of less than 30 W in the PID recovery process. AFCI Function(Optional) • AFCI activation This function can be enabled to detect whether arc occurs in the DC circuit of the inverter. •...

  • Page 24: Unpacking And Storage

    • Check the inner contents for damage after unpacking. Contact SUNGROW or the transport company in case of any damage or incompleteness, and provide photos to facilitate services. Do not dispose of the original packing case. It is recommended to store the device in the original packing case when the product is decommissioned.
  • Page 25 User Manual 3 Unpacking and Storage • Do not place the inverter in places with items that may affect or damage the inverter. • Store the inverter in a clean and dry place to prevent dust and water vapor from eroding. •...

  • Page 26: Mechanical Mounting

    Mechanical Mounting Respect all local standards and requirements during mechanical installation. Safety during Mounting Make sure there is no electrical connection before installation. Before drilling, avoid the water and electricity wiring in the wall. Poor installation environment will affect system performance! •...

  • Page 27: Environment Requirements

    User Manual 4 Mechanical Mounting 4.2.1 Environment Requirements • The installation environment must be free of inflammable or explosive materials. • The location should be not accessible to children. • The ambient temperature and relative humidity must meet the following requirements. •...

  • Page 28: Clearance Requirements

    4 Mechanical Mounting User Manual 4.2.4 Clearance Requirements Reserve enough clearance around the inverter to ensure sufficient space for heat dissipation. Install the inverter at an appropriate height for ease of viewing the screen and LED indicator and operating switch(es). Installation Tools Installation tools include but are not limited to the following recommended ones.
  • Page 29 User Manual 4 Mechanical Mounting table 4-1 Tool specification Goggles Earplugs Dust mask Protective gloves Insulated shoes Utility knife Marker Wrist strap Wire cutter Wire stripper Hydraulic plier RJ45 crimping tool MC4 terminal Tube terminal Electric screwdriver Slotted screwdriver crimping tool (0.5 (M4, M5, M6) crimping tool (4 (M2)

  • Page 30: Moving The Inverter

    4 Mechanical Mounting User Manual Heat gun Wrench (33 mm, 35 MC4 terminal Multimeter (≥ 600 wrench Vdc) Rubber mallet Hammer drill (φ10) Allen wrench (T27) Moving the Inverter Before installation, remove the inverter from the packing case and move it to the installation site.
  • Page 31 User Manual 4 Mechanical Mounting (1) Self-tapping (2) Expansion tube (3) Fender washer (4) Spring washer screw M6 step 1 Place the wall-mounting bracket to a proper position on the wall. Mark the positions and drill the holes. Observe the level on the bracket and adjust until the bubble is in the middle position.
  • Page 32 4 Mechanical Mounting User Manual - - End...

  • Page 33: Electrical Connection

    Electrical Connection Safety Instructions The PV string will generate lethal high voltage when exposed to sunlight. • Operators must wear proper personal protective equipment during electrical connections. • Must ensure that cables are voltage-free with a measuring instrument before touching DC cables. •...

  • Page 34: Terminal Description

    5 Electrical Connection User Manual • All vacant terminals must be covered with waterproof covers to prevent affect- ing the protection rating. • When the wiring is completed, seal the gap of cable inlet and outlet holes with fireproof / waterproof materials such as fireproof mud to prevent foreign matter or moisture from entering and affecting the long-term normal operation of the inverter.

  • Page 35: Electrical Connection Overview

    User Manual 5 Electrical Connection Decisive Volt- Description Name Classification Communication accessory port to be COM1 connected to WiNet-S communica- DVC-A tion module. Not applicable BACKUP Reserved. AC terminal to connect to the grid. GRID DVC-C Connect either one for additional Not applicable grounding.
  • Page 36 5 Electrical Connection User Manual (A) PV string (B) Inverter (C) Grid (D) External device (E) AC circuit breaker (F) Smart energy meter table 5-3 Cable Requirements Type Cable Cable Diameter Cross-section Outdoor multi-core copper wire cable DC cable complying with 600 6 mm ~ 9 mm 4 mm ~ 6 mm...

  • Page 37: External Grounding Connection

    The ground connection of this additional grounding terminal cannot replace the connection of the PE terminal of the AC cable. Make sure those terminals are both grounded reliably. SUNGROW shall not be held liable for any damage caused by the violation.

  • Page 38: Ac Cable Connection

    5 Electrical Connection User Manual (1) Heat shrink tubing (2) OT/DT terminal step 2 Remove the screw on the grounding terminal and fasten the cable with a screwdriver. step 3 Apply paint to the grounding terminal to ensure corrosion resistance. - - End AC Cable Connection 5.5.1 AC Side Requirements...
  • Page 39 The recommended specifications are as follows. Recommended Specification Inverter Model SG5.0RS-ADA 32 A SG8.0RS/SG9.0RS SG10RS 63 A Testing to AS/NNZS 4777.2:2020 Section for multiple phase combinations has not been conducted. AC circuit breakers should be installed on the output side of the inverter and the grid side to ensure safe disconnection from the grid.

  • Page 40: Connecting The Ac Cable

    5 Electrical Connection User Manual 5.5.2 Connecting the AC Cable step 1 Disconnect the AC circuit breaker and secure it against reconnection. step 2 Take out the AC waterproof cover, unscrew the swivel nut and take out the sealing ring. Thread the AC cable through the swivel nut, appropriate sealing and waterproof cover in sequence.
  • Page 41 User Manual 5 Electrical Connection Observe the terminal assignment. Do not connect any phase line to the "PE" termi- nal or PE wire to "N" terminal. Otherwise, unrecoverable damage to the inverter may follow. step 6 Secure the AC waterproof cover to the inverter with a torque of 1.0 N•m and tighten the swiv- el nut to a torque of 5 N•m–6 N•m.

  • Page 42: Dc Cable Connection

    The damage caused by this is not covered by the warranty. • Electric arc or contactor over-temperature may occur if the PV connectors are not firmly in place, and SUNGROW shall not be held liable for any damage caused. •...

  • Page 43: Pv Input Configuration

    MPPT operating voltage range, namely, 40 V to 560 V. 5.6.1 PV Input Configuration • The inverters SG5.0RS-ADA/SG8.0RS/SG9.0RS/SG10RS have three PV inputs, each with independent MPP tracker. Each DC input area can operate independently. • The PV strings to each DC input may differ from each other, including PV module type, number of PV modules in each string, angle of tilt, and installation orientation.
  • Page 44 5 Electrical Connection User Manual To ensure IP65 protection, use only the supplied connector. step 1 Strip the insulation from each DC cable by 7 mm–8 mm. step 2 Assemble the cable ends with the crimping pliers. 1: Positive crimp contact 2: Negative crimp contact step 3 Lead the cable through cable gland, and insert the crimp contact into the insulator until it snaps into place.

  • Page 45: Installing The Pv Connectors

    User Manual 5 Electrical Connection 5.6.3 Installing the PV Connectors step 1 Rotate the DC switch to "OFF" position. step 2 Check the cable connection of the PV string for polarity correctness and ensure that the open circuit voltage in any case does not exceed the inverter input limit of 600 V. step 3 Connect the PV connectors to corresponding terminals until there is an audible click.

  • Page 46: Ethernet Communication

    5 Electrical Connection User Manual 5.7.1 Ethernet Communication step 1 (Optional) Strip the insulation layer of the communication cable with an Ethernet wire strip- per, and lead the corresponding signal cables out. Insert the stripped communication cable into the RJ45 plug in the correct order, and crimp it with a crimper. 1: RJ45 plug 2：Protective cap Skip this step if a standard network cable with RJ45 plug is prepared.
  • Page 47 User Manual 5 Electrical Connection step 4 Thread the network cable through the swivel nut and gasket. Afterwards, route the cable into the opening of the sealing. Finally, insert the cable through the housing. step 5 Insert the RJ45 plug into the front plug connector until there is an audible click and tighten the housing.

  • Page 48: Wlan Communication

    5 Electrical Connection User Manual step 7 Slightly shake it by hand to determine whether it is installed firmly. - - End 5.7.2 WLAN Communication step 1 Remove the waterproof lid from the COM1 terminal. step 2 Install the module. Slightly shake it by hand to determine whether it is installed firmly, as shown below.
  • Page 49 User Manual 5 Electrical Connection step 2 Remove the seal and route the cable into the opening of the sealing. step 3 Remove the cable jacket and strip the wire insulation. step 4 (Optional) When using a multi-core multi-strand wire cable, connect the wire head to the cord end terminal.
  • Page 50 5 Electrical Connection User Manual step 5 Plug the wires into the corresponding terminals as shown in the following figure. Ensure that the wires are securely in place by slightly pulling them. step 6 Insert the terminal plug into the COM2 terminal at the bottom side of the inverter and then in- stall the housing.

  • Page 51: Drm Connection

    User Manual 5 Electrical Connection step 7 Slightly pull out the cable and then fasten the swivel nut. Lock the connector with the screw. - - End DRM Connection In Australia and New Zealand, the inverter supports the demand response modes as speci- fied in the standard AS/NZS 4777.
  • Page 52 5 Electrical Connection User Manual table 5-4 Method of Asserting DRM Mode Asserted by Shorting Terminals on Switch Operation on External Inverter DRED DRM0 R & C Close S1 and S5 The inverter is equipped with a RJ45 terminal for connecting the external DRED. As shown in the following figure, pin 5 and pin 6 are used for asserting the DRM0 mode.
  • Page 53 User Manual 5 Electrical Connection step 3 Remove the seal. step 4 Lead the cable through the cable gland.
  • Page 54 5 Electrical Connection User Manual step 5 Plug the wires into the corresponding terminals as shown in the following figure. Ensure that the wires are securely in place by slightly pulling them. step 6 Slightly pull out the cable and then fasten the swivel nut. Lock the connector with the screw. - - End...

  • Page 55: Commissioning

    Commissioning Inspection before Commissioning Check the following items before starting the inverter: • All equipment has been reliably installed. • DC switch(es) and AC circuit breaker are in the "OFF" position. • The ground cable is properly and reliably connected. •...

  • Page 56: Creating A Plant

    "7.3 Account Registration". If you have got the account and password from the distributor/installer or SUNGROW, skip this step. step 3 Download the firmware package to the mobile device in advance. Refer to “Firmware Upa- date”. This is to avoid download failure due to poor on-site network signal.
  • Page 57 User Manual 6 Commissioning figure 6-3 Selecting Plant/Inverter Type step 5 Scan the QR code on the communication device or manually enter the serial number of the communication device. Tap Next after the QR code is identified or the serial number entered is correct and then tap CONFIRM.

  • Page 58: Initializing The Device

    6 Commissioning User Manual blinks quickly when this mode is turned on. Return to the App and the screen displays suc- cessful connection to the inverter WLAN. Tap NEXT. figure 6-6 Turn on EasyConnect Mode The EasyConnect mode can be used only when the router is 2.4 GHz. If the EasyConnect mode fails, refer to the WiNet-S quick guide for the instructions of other modes.
  • Page 59 User Manual 6 Commissioning figure 6-8 Upgrade Reminder step 2 After download, it would take around 15 minutes to update. After successful upgrade, the screen will show the version numbers before and after the upgrade as well as the upgrade time.
  • Page 60 6 Commissioning User Manual step 4 When the country is set to Australia, additionally set the applicable network service provider and then the grid type. The image shown here is for reference only. Refer to the actual interface for the supported network service providers.
  • Page 61 User Manual 6 Commissioning Network Service Provider Grid Type • ≤ 5 kVA for single-phase & 30 kVA for three-phase CitiPower & Powercor • ＞ 30 kVA three-phase • UE-ST-2008.1: ≤ 10 kVA for single- phase & 30 kVA for three-phase United Energy •...

  • Page 62: Configuring The Plant

    6 Commissioning User Manual Configuring the Plant The inverter is successfully added to the plant and initialized. Refer to the guidance in pre- vious sections. The distributor/installer who creates a plant for the end user needs to get the end user's e- mail address.
  • Page 63 User Manual 6 Commissioning figure 6-13 Entering Tariff Information step 4 Fill in the end user's e-mail address. The first time you fill in the end user's e-mail address, the system will create an account for the end user and send an email to the end user. The end user can activate the account via the email.
  • Page 64 Tab the inverter to view the live data about voltage, current, power or curve. Contact Sungrow service to enable live data function of devices. Once enabled, live data function is available for 3 hours per day by default. To make it available for 24 hours, contact SUNGROW.

  • Page 65: Isolarcloud App

    App. * To achieve direct login via WLAN, the wireless communication module developed and manufactured by SUNGROW is required. The iSolarCloud App can also establish communi- cation connection to the inverter via Ethernet connection.

  • Page 66: Account Registration

    7 iSolarCloud App User Manual Account Registration The account distinguishes two user groups, end user and distributor/installer. • The end user can view plant information, create plants, set parameters, share plants, etc. • The distributor/installer can help the end user to create plants, manage, install, or main- tain plants, and manage users and organizations.

  • Page 67: Login

    User Manual 7 iSolarCloud App step 4 Fill in the registration information, including email, verification code, password and affirm- ance and country (region). The distributor/installer has the permission to fill in the company name and the code of upper level distributor/installer. The code of upper level distributor/installer can be obtained from the upper level distributor/installer.
  • Page 68 7 iSolarCloud App User Manual figure 7-1 Enabling the WLAN Hotspot step 2 Connect the mobile phone to the WLAN network named as "SG-xxxxxxxxxxx" (xxxxxxxxxxx is the serial number indicated on the side of the communication module). step 3 Open the App to enter the login screen. Tap Local Access to enter the next screen. step 4 Select WLAN and select the device (SN), then enter the password and tap LOGIN.

  • Page 69: Initial Settings

    User Manual 7 iSolarCloud App The "Country/Region" must be set to the country where the inverter is installed at. Otherwise, the inverter may report errors. figure 7-3 WLAN Local Access step 6 After finishing the settings, tap TUNR ON DEVICE at the upper right corner and the device will be initialized.

  • Page 70: Function Overview

    7 iSolarCloud App User Manual The actual initializing procedure may differ due to different countries. Please fol- low the actual App guidance. Function Overview The App provides parameter viewing and setting functions, as shown in the following figure.

  • Page 71: Home

    User Manual 7 iSolarCloud App figure 7-4 App Key Function Menu Home Home page of the App is shown in the following figure.

  • Page 72: Run Information

    7 iSolarCloud App User Manual figure 7-5 Home table 7-1 Home Page Description Description Name Present operation state of the inverter Inverter state Shows the PV power generation power, feed-in power, etc. Energy flow The line with an arrow indicates energy flow between con- chart nected devices, and the arrow pointing indicates energy flow direction.

  • Page 73: Records

    User Manual 7 iSolarCloud App table 7-2 Description of Run Information Description Item Shows basic information such as running state, on-grid running time, Inverter negative voltage to grid, bus voltage, internal air temperature, inver- Information ter efficiency, etc. Shows total DC power, voltage and current of MPPT1 ,MPPT2 and Input MPPT3.
  • Page 74 7 iSolarCloud App User Manual figure 7-7 Chart The App displays power generation records in a variety of forms, including daily power gen- eration graph, monthly power generation histogram, annual power generation histogram and total power generation histogram. table 7-3 Description of Power Curve Description Item Daily...
  • Page 75 User Manual 7 iSolarCloud App figure 7-8 Fault Alarm Record Click to select a time segment and view corresponding records. Select one of the records in the list and click the record, to view the detailed fault info as shown in following figure. figure 7-9 Detailed Fault Alarm Information Event Record Tap Event Record to enter the screen, as shown in the following figure.

  • Page 76: More

    7 iSolarCloud App User Manual figure 7-10 Event Record Click to select a time segment and view corresponding records. 7.10 More Tap More on the navigation bar to enter the corresponding screen, as shown in the following figure. figure 7-11 More In addition to viewing the WLAN configuration and App software version, the More screen supports the following operations: •...

  • Page 77: System Parameters

    User Manual 7 iSolarCloud App 7.10.1 System Parameters Tap Settings→System Parameters to enter the corresponding screen, as shown in the fol- lowing figure. figure 7-12 System Parameters * The image shown here is for reference only. Boot/Shutdown Tap Boot/Shutdown to send the boot/shutdown instruction to the inverter. For Australia and New Zealand, when the DRM state is DRM0, the "Boot"...

  • Page 78: Power Regulation Parameters

    7 iSolarCloud App User Manual figure 7-14 PID Setting table 7-4 PID Parameter Description Description Parameter Set enabling/disabling of the PID night recovery function. PID night PID Recovery recovery function operates between 22:00 pm and 5:00 am by default. AFCI Parameters(Optional) Tap Settings→Operation Parameters→AFCI Parameters to enter the corresponding screen, on which you can set "AFCI Parameters".
  • Page 79 User Manual 7 iSolarCloud App figure 7-16 Active Power Regulation table 7-5 Description of Active Power Regulation Parameters Description Range Parameter Active Power Soft Start Switch for activating/deactivating the function On/Off after Fault of active power soft start after a fault occurs Active Power Soft Start The soft start time required for raising active 1 s–1200 s...
  • Page 80 7 iSolarCloud App User Manual figure 7-17 Reactive Power Regulation table 7-6 Description of Reactive Power Regulation Parameters Description Range Parameter Reactive Power Set- Switch for activating/deactivating the function On/Off ting Persistence of reactive power setting persistence Reactive Power Regu- Off/PF/Qt/Q Off/PF/Qt/Q(P)/Q(U) lation Mode...
  • Page 81 User Manual 7 iSolarCloud App table 7-7 "Q(P)" Mode Parameters Explanation Parameter Explanation Range Q(P) Curve Select corresponding curve according to local A, B, C regulations QP_P1 Output power at point P1 on the Q(P) mode curve 0.0 %–100.0 % (in %) QP_P2 Output power at point P2 on the Q(P) mode curve...
  • Page 82 7 iSolarCloud App User Manual The reactive power output of the inverter varies in response to the grid voltage. table 7-8 "Q(U)" Mode Parameter Explanation Explanation Range Parameter Select corresponding curve according to local Q(U) curve A, B, C regulations Hysteresis Voltage hysteresis ratio on the Q(U) mode curve 0.0 %–5.0 %...

  • Page 83: Communication Parameters

    User Manual 7 iSolarCloud App figure 7-19 Reactive Power Regulation Curve in Q(U) Curve 7.10.4 Communication Parameters Tap Settings→Communication Parameters→Serial Port Parameters to enter the corre- sponding interface, as shown in the following figure. figure 7-20 Serial Port Parameters table 7-9 Serial Port Parameters Range Parameter Device Address...

  • Page 84: Firmware Update

    7 iSolarCloud App User Manual figure 7-21 MPLC Parameters table 7-10 MPLC Parameters Range Parameter Band Num Band1, Band2 Array ID 1–255 Winding ID 1–10 7.10.5 Firmware Update To avoid download failure due to poor on-site network signal, it is recommended to download the firmware package to the mobile device in advance.
  • Page 85 User Manual 7 iSolarCloud App step 9 Wait for the file to be uploaded. When the upgrade is finished, the interface will inform you of the upgrade completion. Tap Complete to end the upgrade. - - End...

  • Page 86: System Decommissioning

    System Decommissioning Disconnecting the Inverter Danger of burns! Even if the inverter is shut down, it may still be hot and cause burns. Wear protec- tive gloves before operating the inverter after it cools down. For maintenance or other service work, the inverter must be switched off. Proceed as follows to disconnect the inverter from the AC and DC power sources.

  • Page 87: Disposal Of The Inverter

    User Manual 8 System Decommissioning step 2 Refer to"4 Mechanical Mounting", to dismantle the inverter in reverse steps. step 3 If necessary, remove the wall-mounting bracket from the wall. step 4 If the inverter will be used again in the future, please refer to "3.2 Inverter Storage"...

  • Page 88: Troubleshooting And Maintenance

    App or the LCD. Modify the overvoltage protection values with the con- sent of the local electric power operator. 3. Contact Sungrow Customer Service if the pre- ceding causes are ruled out and the fault persists. Generally, the inverter will be reconnected to the grid after the grid returns to normal.
  • Page 89 2. Check whether the protection parameters are appropriately set via the App or the LCD. 3. Contact Sungrow Customer Service if the pre- ceding causes are ruled out and the fault persists. Generally, the inverter will be reconnected to the grid after the grid returns to normal.
  • Page 90 App or the LCD. 3. Contact Sungrow Customer Service if the pre- ceding causes are ruled out and the fault persists. 1. Check whether the corresponding string is of reverse polarity.
  • Page 91 3. Check if the DC fuse is damaged. If so, replace Alarm the fuse. 4. Contact Sungrow Customer Service if the pre- ceding causes are ruled out and the alarm persists. *The code 548 to code 563 are corresponding to string 1 to string 16 respectively.
  • Page 92 3. If the cable is normal and the fault occurs on rainy days, check it again when the weather turns fine. 4. Contact Sungrow Customer Service if the pre- ceding causes are ruled out and the fault persists. 1. Check whether the AC cable is correctly connected.
  • Page 93 2. Reconnect the communication cable of the cation Abnormal meter. Alarm 3. Contact Sungrow Customer Service if the pre- ceding causes are ruled out and the alarm persists. 1. Check whether the output port is connected to actual grid. Disconnect it from the grid if so.
  • Page 94 0.5 A. MPPT Reverse 264-283 2. Contact Sungrow Customer Service if the pre- Connection ceding causes are ruled out and the fault persists. *The code 264 to code 279 are corresponding to string 1 to string 20 respectively.

  • Page 95: Maintenance

    3. Do not reinsert the faulty strings before the grounding fault is cleared; 4. If the fault is not caused by the foregoing rea- sons and still exists, contact Sungrow Customer Service. 1. It is prohibited to disconnect the DC switch when the DC current is greater than 0.5 A when...
  • Page 96 To avoid the risk of electric shock, do not perform any other maintenance opera- tions beyond this manual. If necessary, contact SUNGROW for maintenance. Oth- erwise, the losses caused is not covered by the warranty.

  • Page 97: Routine Maintenance

    User Manual 9 Troubleshooting and Maintenance 9.2.2 Routine Maintenance Item Method Period Six months to a year Check the temperature and dust of the System clean inverter. Clean the inverter enclosure if (depending on the dust con- necessary. tents in air) Check whether all cable are firmly con- nected in place.

  • Page 98: Appendix

    10 Appendix 10.1 Technical Data Parameter SG5.0RS-ADA SG8.0RS Input (DC) Recommended max. PV in- 7.5 kWp 12 kWp put power Max. PV input voltage 600 V Min. operating PV voltage / 40 V / 50 V Start-up input voltage Rated PV input voltage 360 V MPP voltage range 40 V –...
  • Page 99 User Manual 10 Appendix Parameter SG5.0RS-ADA SG8.0RS Rated AC voltage 154 V - 276 V Rated grid frequency / Grid 50 Hz / 45 Hz - 55 Hz frequency range 60 Hz / 55 Hz - 65 Hz Harmonic (THD) <...
  • Page 100 Plug and play connector (Max. 16 mm Active & reactive power control and power ramp rate Grid Support control * This function is only available for non-AU versions. Parameter SG9.0RS SG10RS Input (DC) Recommended max. PV in- 13.5 kWp 15 kWp put power Max.
  • Page 101 User Manual 10 Appendix Parameter SG9.0RS SG10RS Rated AC voltage 220 V / 230 V / 240 V AC voltage range 154 V - 276 V 50 Hz / 45 Hz - 55 Hz Rated grid frequency / Grid frequency range...

  • Page 102: Quality Assurance

    • The customer shall give SUNGROW a reasonable period to repair the faulty device. Exclusion of Liability In the following circumstances, SUNGROW has the right to refuse to honor the quality guarantee: • The free warranty period for the whole machine/components has expired.

  • Page 103: Contact Information

    User Manual 10 Appendix 10.3 Contact Information In case of questions about this product, please contact us. We need the following information to provide you the best assistance: • Model of the device • Serial number of the device • Fault code/name •...

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