Sungrow SG2.0RS-S User Manual
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Sungrow SG2.0RS-S User Manual

1-phase pv grid-connected inverter
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User Manual
1-Phase PV Grid-Connected Inverter
SG2.0RS-S / SG2.5RS-S / SG3.0RS-S / SG3.0RS /
SG3.6RS / SG4.0RS / SG5.0RS / SG6.0RS
SG2.0RS-S /
SG3.6RS / SG4.0RS / SG5.0RS /
SG6.0RS1-Phase PV Grid-
Connected InverterUser
ManualSG2.0-6.0RS-UEN-Ver18-
202211
SG2.0-6.0RS-UEN-Ver18-202211

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  • Page 1 User Manual 1-Phase PV Grid-Connected Inverter SG2.0RS-S / SG2.5RS-S / SG3.0RS-S / SG3.0RS / SG3.6RS / SG4.0RS / SG5.0RS / SG6.0RS SG2.0RS-S / SG2.5RS-S / SG3.0RS-S / SG3.0RS / SG3.6RS / SG4.0RS / SG5.0RS / SG6.0RS1-Phase PV Grid- Connected InverterUser ManualSG2.0-6.0RS-UEN-Ver18-...

  • 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...
  • Page 5 Contents of this manual may be periodically updated or revised, and the actual product pur- chased shall prevail. Users can obtain the latest manual from support.sungrowpower.com or sales channels. 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.

  • Page 7: Table Of Contents

    Contents All Rights Reserved .....................I About This Manual......................II 1 Safety Instructions ....................1 1.1 Unpacking and Inspection ................2 1.2 Installation Safety ...................2 1.3 Electrical Connection Safety................3 1.4 Operation Safety ....................4 1.5 Maintenance Safety ..................5 1.6 Disposal Safety ....................6 2 Product Description ..................7 2.1 System Introduction ..................7 2.2 Product Introduction..................8...
  • Page 8 5.2 Terminal Description ..................29 5.3 Electrical Connection Overview ..............30 5.4 External Protective Grounding Connection .............31 5.4.1 External Protective Grounding Requirements ........32 5.4.2 Connection Procedure.................32 5.5 AC Cable Connection ...................34 5.5.1 AC Side Requirements ................34 5.5.2 Assembling the AC Connector .............35 5.5.3 Installing the AC Connector..............37 5.6 DC Cable Connection ...................37 5.6.1 PV Input Configuration ................39...
  • Page 9 7.10 More ......................77 7.10.1 System Parameters................78 7.10.2 Operation Parameters ...............78 7.10.3 Power Regulation Parameters............79 7.10.4 Communication Parameters...............84 7.10.5 Firmware Update ................84 7.10.6 Auto-test...................85 8 System Decommissioning ................87 8.1 Disconnecting Inverter ..................87 8.2 Dismantling the Inverter ................87 8.3 Disposal of Inverter..................88 9 Troubleshooting and Maintenance ..............89 9.1 Troubleshooting ...................89...

  • Page 11: Safety Instructions

    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: Unpacking And Inspection

    If there are problems with the above inspection items, do not install the device and contact your distributor first. If the problem persists, con- tact SUNGROW in time. Installation Safety Make sure there is no electrical connection before installation.

  • Page 13: Electrical Connection Safety

    User Manual 1 Safety Instructions Electrical Connection Safety Before electrical connections, please make sure that the inverter is not damaged, otherwise it may cause danger! Before electrical connections, please make sure that the inverter switch and all switches connected to the inverter are set to "OFF", otherwise electric shock may occur! The PV string will generate lethal high voltage when exposed to sunlight.

  • Page 14: Operation Safety

    1 Safety Instructions User Manual Check the positive and negative polarity of the PV strings, and connect the PV con- nectors to corresponding terminals only after ensuring polarity correctness. During the installation and operation of the inverter, please ensure that the positive or negative poles of PV strings do not short-circuit to the ground.

  • Page 15: Maintenance Safety

    To avoid the risk of electric shock, do not perform any other maintenance opera- tions beyond those described in this manual. If necessary, contact your distributor first. If the problem persists, contact SUNGROW. Otherwise, the losses caused is not covered by the warranty.

  • Page 16: Disposal Safety

    1 Safety Instructions User Manual • If the paint on the inverter enclosure falls or rusts, repair it in time. Otherwise, the inverter performance may be affected. • Do not use cleaning agents to clean the inverter. Otherwise, the inverter may be damaged, and the loss caused is not covered by the warranty.

  • Page 17: Product Description

    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. SG2.0RS-S, SG2.5RS-S, SG3.0RS-S, SG3.0RS, SG3.6RS, Inverter SG4.0RS, SG5.0RS, SG6.0RS. Metering device Meter cupboard with power distribution system.

  • Page 18: 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 SG3.0RS-S as an example): Appearance The following figure shows the appearance of the inverter.
  • Page 19 User Manual 2 Product Description figure 2-2 Inverter Appearance Description Name Information about COM2 pin definition, supported DRM Label modes, etc. Complement to the included wall mounting bracket for hang- Hanger ing the inverter. The LED screen indicates the running information and the LED pannel LED indicator indicates the working state of the inverter.

  • Page 20: Symbols On Product

    2 Product Description User Manual figure 2-3 Dimensions of the Inverter Inverter Model W (mm) H (mm) D (mm) SG2.0RS-S, SG2.5RS-S, SG3.0RS-S SG3.0RS, SG3.6RS, SG4.0RS, SG5.0RS, SG6.0RS Symbols on Product Symbol Explanation Parameters on the DC side. Parameters on the AC on-grid side.

  • Page 21: 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 22: 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 23: 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 24 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 25 User Manual 2 Product Description figure 2-6 PID Risk of Traditional Inverters The following figure is the PID risk of the inverter equipped with PID Zero, it prevents the PV array voltage from approaching PV-, reduces the risk of PID during daily operation and re- pairs PV panels caused by PID at night.
  • Page 26 2 Product Description User Manual • When the PID Zero function is enabled, there will be a power consumption of less than 30 W in the PID Zero process. • PID Zero can be applied to P-type PV panels, as well as N-type PV panels of which the voltage between PV- and ground needs to be raised.

  • Page 27: 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 28 3 Unpacking and Storage User Manual • Do not store the inverter in places susceptible to direct sunlight, rain, and strong electric field. • Do not place the inverter in places with items that may affect or damage the inverter. •...

  • Page 29: 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 30: Location Requirements

    4 Mechanical Mounting User Manual Location Requirements To a large extent, a proper installation location ensures safe operation, service life, and per- formance of the inverter. • The inverter with protection rating IP65 can be installed both indoors and outdoors. •...

  • Page 31: Angle Requirements

    User Manual 4 Mechanical Mounting 4.2.3 Angle Requirements Install the inverter vertically. Never install the inverter horizontally, or at forward/backward tilted, side tilted, or upside down. 4.2.4 Clearance Requirements Reserve enough clearance around the inverter to ensure sufficient space for heat dissipation.

  • Page 32: Installation Tools

    4 Mechanical Mounting User Manual 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. If necessary, use other auxiliary tools on site.

  • Page 33: Moving The Inverter

    User Manual 4 Mechanical Mounting MC4 terminal Tube terminal Electric screwdriver Slotted screwdriver crimping tool (4 crimping tool (0.5 (M4, M6) (M2) –1.0 mm –6 mm Phillips screwdriver Vacuum cleaner Measuring tape Heat shrink tubing (M4) Heat gun Wrench (33 mm, 35 MC4 terminal Multimeter (≥...

  • Page 34: Installing The Inverter

    4 Mechanical Mounting User Manual Improper handling may cause personal injury! • Arrange an appropriate number of personnel to carry the inverter according to its weight, and installation personnel should wear protective equipment such as anti-impact shoes and gloves. • Attention must be paid to the center of gravity of the inverter to avoid tilting dur- ing handling.
  • Page 35 * The image shown here is for reference only. The actual product received may differ. Inverter Model L1 (mm) L2 (mm) H (mm) SG2.0RS-S, SG2.5RS-S, SG3.0RS-S SG3.0RS, SG3.6RS, SG4.0RS, SG5.0RS, SG6.0RS step 2 Place the expansion tubes into the holes. Then secure the wall-mounting bracket to the wall firmly with the expansion bolt sets.
  • Page 36 4 Mechanical Mounting User Manual - - End...

  • Page 37: 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 38 5 Electrical Connection User Manual All electrical connections must comply with local and national/regional electrical standards. • Cables used by the user shall comply with the requirements of local laws and regulations. • Only with the permission of the national/regional grid department, the inverter can be connected to the grid.

  • Page 39: Terminal Description

    User Manual 5 Electrical Connection The cable colors in figures in this manual are for reference only. Please select ca- bles according to local cable standards. Terminal Description All electrical terminals are located at the bottom side of the inverter. figure 5-1 Terminals (SG3.0RS for example) * The image shown here is for reference only.

  • Page 40: Electrical Connection Overview

    5 Electrical Connection User Manual figure 5-2 Label of COM2 Terminal table 5-2 Label Description of COM2 Terminal Description Label A1, B1 Reserved RS485 A2, B2 For the smart energy meter Meter For external Demand Response Enabling Device R, C ("AU"/"NZ") RSD-1, RSD-2 Reserved...

  • Page 41: External Protective Grounding Connection

    User Manual 5 Electrical Connection table 5-3 Cable Requirements Wire Conductor Type Cable Cable Diameter Cross-section Single or multi-core copper wire comply- 6 mm–9 mm 4 mm –6 mm DC cable ing with 600 V and 20 A standard Ethernet cable CAT 5E outdoor 8 * (0.08–0.2) shielded network...

  • Page 42: External Protective Grounding Requirements

    The grounding connection can be made by other means if they are in accordance with the local standards and regulations, and SUNGROW shall not be held liable for the possible consequences. 5.4.1 External Protective Grounding Requirements All non-current carrying metal parts and device enclosures in the PV power system should be grounded, for example, brackets of PV modules and inverter enclosure.
  • Page 43 User Manual 5 Electrical Connection (1) Heat shrink tubing (2) OT/DT terminal After being crimped, the OT terminal must wrap the wires completely, and the wires must contact the OT terminal closely. When using a heat gun, protect the device from being scorched. step 2 Remove the screw on the grounding terminal and fasten the cable with a screwdriver.

  • Page 44: Ac Cable Connection

    AC Circuit Breaker An independent two-pole circuit breaker must be installed on the output side of the inverter to ensure safe disconnection from the grid. The recommended specifications are as follows. Recommended Specification Inverter Model SG2.0RS-S/SG2.5RS-S/SG3.0RS-S 25 A SG3.0RS/SG3.6RS/SG4.0RS/SG5.0RS 32 A SG6.0RS 40 A Testing to AS/NNZS 4777.2:2020 Section for multiple phase combinations has not...

  • Page 45: Assembling The Ac Connector

    User Manual 5 Electrical Connection In Australia, a RCD is not required according to the local standard AS3000-2018 when either of the following installation methods is adopted if the PV array capacitance to ground is large (such as a tin roof): •...
  • Page 46 5 Electrical Connection User Manual step 4 Open the clamp on the spring-loaded terminal and fully insert the wires into the correspond- ing holes. Then close the clamp and push the terminal plug into the housing until there is an audible click.

  • Page 47: Installing The Ac Connector

    User Manual 5 Electrical Connection 5.5.3 Installing the AC Connector High voltage may be present in inverter! Ensure all cables are voltage-free before electrical connection. Do not connect the AC circuit breaker until all inverter electrical connections are completed. step 1 Disconnect the AC circuit breaker and secure it against reconnection. step 2 Lift the locking part upwards and insert the AC connector into the GRID terminal on the bot- tom side of the inverter.
  • Page 48 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 49: Pv Input Configuration

    . 5.6.1 PV Input Configuration • The inverters SG2.0RS-S / SG2.5RS-S / SG3.0RS-S have one PV input with one MPP tracker. • The inverters SG3.0RS / SG3.6RS / SG4.0RS / SG5.0RS / SG6.0RS have two PV in- puts, each with independent MPP tracker.

  • Page 50: Assembling The Pv Connectors

    5 Electrical Connection User Manual Open-circuit Voltage Limit Max. current for input connector Inverter Model 600 V 20 A All models 5.6.2 Assembling the PV Connectors High voltage may be present in the inverter! • Ensure all cables are voltage-free before performing electrical operations. •...

  • Page 51: Installing The Pv Connectors

    User Manual 5 Electrical Connection step 4 Check for polarity correctness. If the PV polarity is reversed, the inverter will be in a fault or alarm state and will not operate normally. - - End 5.6.3 Installing the PV Connectors step 1 Rotate the DC switch to "OFF"...

  • Page 52: Winet-S Connection

    5 Electrical Connection User Manual step 3 Connect the PV connectors to corresponding terminals until there is an audible click. step 4 Seal the unused PV terminals with the terminal caps. If the PV string is equipped with the optimizer, please refer to the optimizer manual for electrical connections and make sure that the polarity of the optimizer cables is correct.

  • Page 53: Ethernet Communication

    User Manual 5 Electrical Connection 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 54: Wlan Communication

    5 Electrical Connection User Manual step 5 Insert the RJ45 plug into the front plug connector until there is an audible click and tighten the housing. Install the gasket and fasten the swivel nut. step 6 Remove the waterproof lid from the COM1 terminal and install WiNet-S. step 7 Slightly shake it by hand to determine whether it is installed firmly.

  • Page 55: Smart Meter Connection

    User Manual 5 Electrical Connection step 3 Refer to the guide delivered with the module for the set-up. - - End Smart Meter Connection The inverter can provide export control but will require the use of a external smart meter. The export control functionality has not been tested to AS/NZS 4777.2:2020.
  • Page 56 5 Electrical Connection User Manual step 4 (Optional) When using a multi-core multi-strand wire cable, connect the wire head to the cord end terminal. In case of single-strand copper wire, skip this step. 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.

  • Page 57: 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 DRM0 as specified in the standard AS/ NZS 4777.
  • Page 58 5 Electrical Connection User Manual 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. In case of single-strand copper wire, skip this step. step 5 Plug the wires into the corresponding terminals as shown in the following figure.
  • Page 59 User Manual 5 Electrical Connection step 6 Insert the terminal plug into the COM2 terminal at the bottom side of the inverter and then in- stall the housing. step 7 Slightly pull out the cable and then fasten the swivel nut. Lock the connector with the screw. - - End...

  • Page 60: 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 61: 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 62 6 Commissioning User Manual step 4 Fill in the content according to actual needs, and the parameters containing * are required. Tap Next to enter the next interface. figure 6-2 Plant Creation Settings Parameter Description Name Plant name The name of the plant. Plant type The type of the plant, which should be set corresponding to the actual plant type.
  • Page 63 User Manual 6 Commissioning Parameter Description Name Time zone The time zone where the plant is located, which can be filled through automatic positioning and manual input. The location of the plant, which can be filled in two ways: • Manually: Manually enter the plant location in the input box.
  • Page 64 6 Commissioning User Manual step 6 After a device is bound, tap Device and Commissioning to go to corresponding interface. step 7 Tap Network Configuration to go to the WLAN connection interface. Tap the home net- work in the WLAN list, enter the password, and then tap Confirm.
  • Page 65 User Manual 6 Commissioning step 8 Enter the Activate EasyConnect interface, and press the multi-function button on the WiNet-S to enable the Easyconnect mode according to the prompt on the screen. The App automatically enters a waiting processing interface if this mode is enabled, and automatically returns to the commissioning interface after the processing is completed.
  • Page 66 6 Commissioning User Manual 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 67 User Manual 6 Commissioning table 6-1 Description of Network Service Provider and Grid Type Network Service Provider Grid Type AS/NZS 4777.2:2015 AS/NZS 4777.2:2020 Australia A AS/NZS 4777.2:2020 Australia B AS/NZS 4777.2:2020 Australia C • STNW1170: single-phase < 10 kVA & ENERGEX &...

  • Page 68: Initializing The Device

    6 Commissioning User Manual • Please check the country supported by this product at http:// support.sungrow- power.com/. • Set Country/Region to the country/region where the inverter is installed. Oth- erwise, the inverter may report a fault. step 10 After a plant is successfully created, return to the App home page to view the plant information.
  • Page 69 User Manual 6 Commissioning figure 6-4 Upgrading Inverter If the communication equipment is upgraded, after successful upgrade, check and confirm that the phone is connected to the inverter WLAN. step 3 Tap Country/Region and select the country where the inverter is installed at. The supported countries and corresponding settings are as follows.
  • Page 70 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 71 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 72: 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 73 User Manual 6 Commissioning figure 6-8 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 74 Tab the inverter to view the live data about voltage, current, power or curve. figure 6-11 Live Data View Function Setting 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 75 User Manual 6 Commissioning step 8 Tab BACK to the COMPLETED screen. Tab DASHBOARD to return and manually refresh the page until the newly created plant is displayed with status commissioned. - - End...

  • Page 76: 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 77: Account Registration

    User Manual 7 iSolarCloud App 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 78: Login

    7 iSolarCloud App User Manual 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 installer/distributor. The code of upper level distributor/installer can be obtained from the upper level distributor/installer.
  • Page 79 User Manual 7 iSolarCloud App 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 Tap Confirm, then enter the password and tap LOGIN.Or tap MANUAL CONNECTION at the bottom of the interface and select WiNet-S, then enter the password and tap LOGIN.

  • Page 80: Initial Settings

    7 iSolarCloud App User Manual 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. The App will send start instructions and the device will start and operate. step 7 After initialization settings, the App will return automatically to the home page.

  • Page 81: Function Overview

    User Manual 7 iSolarCloud App The actual initializing procedure may differ due to different countries. Please fol- low the actual App guidance. For some countries, you should initialize parameters according to local grid re- quirements. For details, please refer to the relevant technical documents on http:// support.sungrowpower.com/.

  • Page 82: Home

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

  • Page 83: Run Information

    User Manual 7 iSolarCloud App 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 84: Records

    7 iSolarCloud App User Manual table 7-2 Description of Run Information Description Item Shows voltage and current of every PV string. PV information 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.
  • Page 85 User Manual 7 iSolarCloud App 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 86 7 iSolarCloud App User Manual 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 87: More

    User Manual 7 iSolarCloud App 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 88: System Parameters

    7 iSolarCloud App User Manual 7.10.1 System Parameters Tap Settings→System Parameters to enter the corresponding interface, as shown in the following 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 89: Power Regulation Parameters

    User Manual 7 iSolarCloud App 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. The Anti-PID function is performed during the day when connected Anti-PID to the grid.
  • Page 90 7 iSolarCloud App User Manual 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 91 User Manual 7 iSolarCloud App 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 92 7 iSolarCloud App User Manual 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 93 User Manual 7 iSolarCloud App 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 94: Communication Parameters

    7 iSolarCloud App User Manual figure 7-19 Reactive Power Regulation Curve in Q(U) Curve 7.10.4 Communication Parameters Tap Settings→Communication Parameters to enter the corresponding screen, as shown in the following figure. The device address ranges from 1 to 246. figure 7-20 Communication Parameters 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 95: Auto-Test

    User Manual 7 iSolarCloud App step 5 Return to the Firmware Download screen, tap in the upper right corner of the screen to view the downloaded firmware upgrade package. step 6 Login the App via local access mode. Refer to "7.4 Login".
  • Page 96 7 iSolarCloud App User Manual figure 7-22 Auto-test Result Clear Auto-test Fault Tap Clear Auto-test Fault→CONFIRM to clear the auto-test fault. figure 7-23 Clear Auto-test Fault...

  • Page 97: System Decommissioning

    System Decommissioning Disconnecting 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 98: Disposal Of Inverter

    8 System Decommissioning User Manual step 1 Refer to "5 Electrical Connection", for the inverter disconnection of all cables in reverse steps. In particular, when removing the DC connector, use an MC4 wrench to loosen the locking parts and install waterproof plugs. step 2 Refer to"4 Mechanical Mounting", to dismantle the inverter in reverse steps.

  • Page 99: 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 100 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 101 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 102 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 103 If so, replace the dam- aged cable and secure terminals to ensure a reli- able connection. 5. 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 104 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 105 Close the AC and DC switches in turn 15 248–255, 300– minutes later and restart the system. 322, 324–328, 3. Contact Sungrow Customer Service if the pre- 401–412, 600– ceding causes are ruled out and the fault persists. 603, 605, 608, 612, 616, 620, 622–624, 800,...
  • Page 106 Close the AC and DC switches in turn 15 364-395 minutes later and restart the system. Overvoltage Fault 2. If the fault persists, please contact Sungrow Power Customer Service. 1. Check whether the number of PV modules of the corresponding string is less than other strings.

  • Page 107: Maintenance

    3. It is prohibited to power up the inverter again. Please contact Sungrow Customer Service. Contact the dealer if the measures listed in the “Troubleshooting Method” column have been taken but the problem persists. Contact SUNGROW if the dealer fails to solve the problem. Maintenance 9.2.1 Maintenance Notices...
  • Page 108 To avoid the risk of electric shock, do not perform any other maintenance opera- tions beyond those described in this manual. If necessary, contact your distributor first. If the problem persists, contact SUNGROW. Otherwise, the losses caused is not covered by the warranty.

  • Page 109: 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 inverter. Clean the inverter enclosure if Device clean (depending on the dust con- necessary. tents in air) Check whether all cable are firmly con- nected in place.

  • Page 110: Appendix

    10 Appendix 10.1 Technical Data Parameter SG2.0RS-S SG2.5RS-S SG3.0RS-S Input (DC) Recommended max. PV in- 3.0 kWp 3.75 kWp 4.5 kWp put power Max. PV input voltage 600 V Min. operating PV voltage / 40 V / 50 V Start-up input voltage...
  • Page 111 User Manual 10 Appendix Parameter SG2.0RS-S SG2.5RS-S SG3.0RS-S Efficiency Max. efficiency / European 97.8 % / 96.9 % 97.8 % / 97.2 % 97.8 % / 97.3 % efficiency Protection Grid monitoring DC reverse polarity protection AC short circuit protection...
  • Page 112 10 Appendix User Manual Parameter SG3.0RS SG3.6RS SG4.0RS Input (DC) Recommended max. PV in- 4.5 kWp 5.4 kWp 6 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...
  • Page 113 User Manual 10 Appendix Parameter SG3.0RS SG3.6RS SG4.0RS DC reverse polarity protection AC short circuit protection Leakage current protection Surge Protection DC type II / AC type II DC switch PV string current monitoring Arc fault circuit interrupter Optional (AFCI) PID Zero General Data Dimensions (W x H x D)
  • Page 114 10 Appendix User Manual Parameter SG5.0RS SG6.0RS Input (DC) Recommended max. PV input 7.5 kWp 9 kWp power Max. PV input voltage 600 V Min. operating PV voltage / Start-up 40 V / 50 V input voltage Rated PV input voltage 360 V MPP voltage range 40 V –...

  • Page 115: Quality Assurance

    (1) The inverter enters standby state when the input voltage ranges between 560 V and 600 10.2 Quality Assurance When product faults occur during the warranty period, SUNGROW will provide free service or replace the product with a new one.

  • Page 116: Contact Information

    • 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 117 Sungrow Power Supply Co., Ltd. www.sungrowpower.com...

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