Sungrow SG3.0RT User Manual
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Sungrow SG3.0RT User Manual

3-phase pv grid-connected inverter
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SG3.0RT / SG4.0RT / SG5.0RT / SG6.0RT /
SG7.0RT / SG8.0RT / SG10RT / SG12RT /
SG15RT / SG17RT / SG20RT
WWW.SUNGROWPOWER.COM
SG3.0-20RT-UEN-Ver13-202104

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  • Page 1 4.Qibtf!QW!Hsje.Dpoofdufe!Jowfsufs Vtfs!Nbovbm SG3.0RT / SG4.0RT / SG5.0RT / SG6.0RT / SG7.0RT / SG8.0RT / SG10RT / SG12RT / SG15RT / SG17RT / SG20RT WWW.SUNGROWPOWER.COM SG3.0-20RT-UEN-Ver13-202104...

  • Page 3: All Rights Reserved

    • 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

    V V a a l l i i d d i i t t y y This manual is valid for the following inverter models: • SG3.0RT • SG4.0RT • SG5.0RT • SG6.0RT •...
  • Page 5 S S y y m m b b o o l l s s Important instructions contained in this manual should be followed during installation, operation and maintenance of the inverter. They will be highlighted by the following symbols. Indicates a hazard with a high level of risk that, if not avoided, will result in death or serious injury.

  • Page 7: Table Of Contents

    C C o o n n t t e e n n t t s s All Rights Reserved .....................I About This Manual .....................II 1 Safety ......................1 1.1 PV Panels..................... 1 1.2 Utility Grid ....................1 1.3 Inverter ......................2 2 Product Description ..................
  • Page 8 5.4.1 Additional Grounding Requirements..........24 5.4.2 Connection Procedure ..............24 5.5 AC Cable Connection ................. 25 5.5.1 AC Side Requirements ..............25 5.5.2 Assembling the AC Connector (< 15 kW) .......... 26 5.5.3 Installing the AC Connector (< 15 kW)..........28 5.5.4 Assembling the AC Connector (≥...
  • Page 9 7.3 Account Registration .................. 66 7.4 Login......................67 7.4.1 Requirements ................... 67 7.4.2 Login Procedure ................67 7.5 Initial Settings ..................... 69 7.6 Function Overview ..................69 7.7 Home......................70 7.8 Run Information ..................71 7.9 Records ..................... 72 7.10 More ......................75 7.10.1 System Parameters ................

  • Page 11: Safety

    The safety instructions in this manual cannot cover all the precautions that should be followed. Perform operations considering actual onsite conditions. SUNGROW shall not be held liable for any damage caused by violation of the safety instructions in this manual.

  • Page 12: Inverter

    1 Safety User Manual All electrical connections must be in accordance with local and national standards. Only with the permission of the local utility grid company, the inverter can be connected to the utility grid. 1.3 Inverter Danger to life from electric shocks due to live voltage Do not open the enclosure at any time.
  • Page 13 User Manual 1 Safety Only qualified personnel can perform the country setting. Unauthorized alteration may cause a breach of the type-certificate marking. Risk of inverter damage due to electrostatic discharge (ESD)! By touching the electronic components, you may damage the inverter. For inverter handling, be sure to: •...

  • Page 14: Product Description

    N N o o t t e e Compatible with monocrystalline silicon, polycrystalline PV strings silicon, and thin-film modules without grounding SG3.0RT, SG4.0RT, SG5.0RT, SG6.0RT, SG7.0RT, Inverter SG8.0RT, SG10RT, SG12RT, SG15RT, SG17RT, SG20RT Metering device Meter cupboard with power distribution system Utility grid TT, TN-C，TN-S，TN-C-S...

  • Page 15: Product Introduction

    User Manual 2 Product Description 2.2 Product Introduction M M o o d d e e l l D D e e s s c c r r i i p p t t i i o o n n The model description is as follows (take SG10RT as an example): A A p p p p e e a a r r a a n n c c e e The following figure shows the dimensions of the inverter.
  • Page 16 2 Product Description User Manual F F i i g g u u r r e e 2 2 - - 2 2 Inverter Appearance D D e e s s c c r r i i p p t t i i o o n n N N o o .

  • Page 17: Symbols On The Product

    User Manual 2 Product Description F F i i g g u u r r e e 2 2 - - 3 3 Dimensions of the Inverter(in mm) 2.3 Symbols on the Product S S y y m m b b o o l l E E x x p p l l a a n n a a t t i i o o n n Regulatory compliance mark.

  • Page 18: Led Indicator

    2 Product Description User Manual S S y y m m b b o o l l E E x x p p l l a a n n a a t t i i o o n n Danger to life due to high voltages! Do not touch live parts for 10 minutes after disconnection from the power sources.

  • Page 19: Function Description

    After communication connection is established, users can view inverter information, operational 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...
  • Page 20 2 Product Description User Manual • Protection Function Several protective functions are integrated in the inverter, including short circuit protection, grounding insulation resistance monitoring, residual current protection, grid monitoring, DC overvoltage/overcurrent protection, etc. E E a a r r t t h h F F a a u u l l t t A A l l a a r r m m The inverter is equipped with a DO relay for the local earth fault alarm.
  • Page 21 User Manual 2 Product Description • Before enabling the PID recovery function, make sure the voltage polarity of the PV modules to ground meets requirement. If there are any questions, contact the PV module manufacturer or read its corresponding user manual. •...

  • Page 22: Unpacking And Storage

    • Check the scope of delivery for completeness according to the packing list. • 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.

  • Page 23: Mechanical Mounting

    Mechanical Mounting 4.1 Safety during Mounting Make sure there is no electrical connection before installation. In order to avoid electric shock or other injury, make sure that holes will not be drilled over any electricity or plumbing installations. Risk of injury due to improper handling •...

  • Page 24: Carrier Requirements

    4 Mechanical Mounting User Manual • The ambient temperature and relative humidity must meet the following requirements. • Avoid direct exposure to sun, rain and snow. • The inverter should be well ventilated. Ensure air circulation. • Never install the inverter in living areas. The inverter will generate noise during operation, affecting daily life.

  • Page 25: Clearance Requirements

    User Manual 4 Mechanical Mounting 4.2.4 Clearance Requirements Reserve enough clearance around the inverter to ensure sufficient space for heat dissipation. In case of multiple inverters, reserve specific clearance between the inverters.

  • Page 26: Installation Tools

    4 Mechanical Mounting User Manual Install the inverter at an appropriate height for ease of viewing LED indicator and operating switch(es). 4.3 Installation Tools Installation tools include but are not limited to the following recommended ones. If necessary, use other auxiliary tools on site. Table 4-1 Tool specification Goggles Earplugs...

  • Page 27: Moving The Inverter

    User Manual 4 Mechanical Mounting Heat gun MC4 terminal Tube terminal Multimeter (≥ crimping tool (0.5 1100 Vdc) crimping tool (4 –6 mm –1.0 mm Slotted MC4 terminal screwdriver (M2) wrench 4.4 Moving the Inverter Before installation, remove the inverter from the packing case and move it to the installation site.
  • Page 28 4 Mechanical Mounting User Manual Step 1 Place the wall-mounting bracket to a proper position on the wall. Observe the level on the bracket and adjust until the bubble is in the middle position. Mark the positions and drill the holes. The depth of the holes should be about 70 mm.
  • Page 29 User Manual 4 Mechanical Mounting - - - - E E n n d d...

  • Page 30: Electrical Connection

    Electrical Connection 5.1 Safety Instructions Prior to any electrical connections, keep in mind that the inverter has dual power supplies. It is mandatory for the qualified personnel to wear personal protective equipments (PPE) during the electrical work. Danger to life due to a high voltage inside the inverter! •...
  • Page 31 User Manual 5 Electrical Connection F F i i g g u u r r e e 5 5 - - 1 1 Terminals (SG20RT for example) * The image shown here is for reference only. The actual product received may differ. Table 5-1 Terminal Description D D e e c c i i s s i i v v e e D D e e s s c c r r i i p p t t i i o o n n...

  • Page 32: Electrical Connection Overview

    5 Electrical Connection User Manual F F i i g g u u r r e e 5 5 - - 2 2 Label of COM2 Terminal Table 5-2 Label Description of COM2 Terminal D D e e s s c c r r i i p p t t i i o o n n L L a a b b e e l l RSD-1, Reserved...

  • Page 33: Additional 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 34: Additional Grounding Requirements

    5 Electrical Connection User Manual 5.4.1 Additional Grounding Requirements All non-current carrying metal parts and device enclosures in the PV power system should be grounded, for example, mounts of PV modules and the inverter enclosure. When there is only one inverter in the PV system, connect the additional grounding cable to a nearby grounding point.

  • Page 35: Ac Cable Connection

    R R e e c c o o m m m m e e n n d d e e d d S S p p e e c c i i f f i i c c a a t t i i o o n n I I n n v v e e r r t t e e r r M M o o d d e e l l SG3.0RT/SG4.0RT/SG5.0RT/ 16 A SG6.0RT...

  • Page 36: Assembling The Ac Connector (< 15 Kw)

    M M u u l l t t i i p p l l e e I I n n v v e e r r t t e e r r s s i i n n p p a a r r a a l l l l e e l l C C o o n n n n e e c c t t i i o o n n If multiple inverters are connected in parallel to the grid, ensure that the total number of parallel inverters does not exceed 5. Otherwise, please contact SUNGROW for technical scheme.
  • Page 37 User Manual 5 Electrical Connection Step 3 Thread the AC cable of appropriate length through the swivel nut, the sealing ring and the housing. Step 4 Remove 45 mm of the cable jacket and 12 mm–16 mm of the wire insulation. Step 5 Open the clamp on the spring-loaded terminal and insert the wires into the corresponding holes.

  • Page 38: Installing The Ac Connector (< 15 Kw)

    5 Electrical Connection User Manual Observe the terminal assignment. Do not connect any phase line to the "PE" terminal or PE wire to "N" terminal. Otherwise, unrecoverable damage to the inverter may follow. Step 6 Ensure that the wires are securely in place by slightly pulling them. Tighten the swivel nut to the housing.

  • Page 39: Assembling The Ac Connector (≥ 15 Kw)

    User Manual 5 Electrical Connection Step 3 Lift the locking part upwards and insert the AC connector into the A A C C terminal on the bottom side of the inverter. Then press the locking part and secure it with the screw. Step 4 Connect the PE wire to ground and the phase lines and the “N”...
  • Page 40 5 Electrical Connection User Manual Step 3 Take out the screw-type terminal plug from the housing. Step 4 Thread the AC cable of appropriate length through the swivel nut and the housing. Step 5 Remove 80 mm–90 mm of the cable jacket and 12 mm of the wire insulation. Step 6 ( ( O O p p t t i i o o n n a a l l ) ) When using a multi-core multi-strand copper wire cable, connect the AC wire head to the cord end terminal (hand-tight).

  • Page 41: Installing The Ac Connector (≥ 15 Kw)

    User Manual 5 Electrical Connection Observe the terminal assignment. Do not connect any phase line to the "PE" terminal or PE wire to "N" terminal. Otherwise, unrecoverable damage to the inverter may follow. Step 8 Ensure that the wires are securely in place by slightly pulling them. Tighten the swivel nut to the housing.
  • Page 42 5 Electrical Connection User Manual Step 3 Insert the AC connector into the A A C C terminal on the bottom of the inverter until there is an audible sound. Step 4 ( ( O O p p t t i i o o n n a a l l ) ) Secure the AC connector, as shown in the figure below.

  • Page 43: Dc Cable Connection

    User Manual 5 Electrical Connection Step 5 Connect the PE wire to ground and the phase lines and the "N" line to AC circuit breaker. Then connect the AC circuit breaker to electric board. Step 6 Make sure all wires are firmly installed via the right torque tool or dragging the cables slightly.

  • Page 44: Pv Input Configuration

    5 Electrical Connection User Manual 5.6.1 PV Input Configuration • The inverters SG3.0RT/SG4.0RT/SG5.0RT/SG6.0RT have two PV inputs, SG7.0RT/ SG8.0RT/SG10RT/SG12RT have three PV inputs and SG15RT/SG17RT/SG20RT have four PV inputs. • The inverters have two MPP trackers. Each DC input area can operate independently.

  • Page 45: Assembling The Pv Connectors

    • Select appropriate DC terminals as required above. Otherwise, SUNGROW shall be held no liability for the damage caused. SUNGROW provides corresponding PV connectors in the scope of delivery for quick connection of PV inputs. To ensure IP65 protection, use only the supplied connector or the connector with the same ingress of protection.

  • Page 46: Installing The Pv Connectors

    5 Electrical Connection User Manual 1: Positive crimp contact 2：Negative crimp contact Step 3 For some countries such as Australia where the DC protection cover delivered separately need to be installed on site, please firstly lead the PV cables through the waterproof terminal on the DC protection cover before assembling the connector.
  • Page 47 • Electric arc or contactor overtemperature may occur if the PV connectors are not firmly in place, and SUNGROW shall not be held liable for any damage caused due to this operation. Step 4 Seal the unused PV terminals with the terminal caps.

  • Page 48: Winet-S Connection

    5 Electrical Connection User Manual 5.7 WiNet-S Connection The WiNet-S module supports Ethernet communication and WLAN communication. It is not recommended to use both communication methods at the same time. The WiNet-S communication for Ethernet cannot be used simultaneously with A1 and B1 terminals for RS485 daisy chain.
  • Page 49 User Manual 5 Electrical Connection Step 3 Unscrew the housing from the communication module. 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 50: Wlan Communication

    5 Electrical Connection User Manual Step 6 Remove the waterproof lid from the C C O O M M 1 1 terminal and install WiNet-S. Step 7 Slightly shake it by hand to determine whether it is installed firmly. - - - - E E n n d d 5.7.2 WLAN Communication Step 1 Remove the waterproof lid from the C C O O M M 1 1 terminal.

  • Page 51: Meter Connection

    User Manual 5 Electrical Connection Step 2 Install the module. Slightly shake it by hand to determine whether it is installed firmly, as shown below. Step 3 Refer to the guide delivered with the module for the set-up. - - - - E E n n d d 5.9 Meter Connection In a single inverter scenario, the Meter (A2, B2) terminals are designed to connect to the Smart Energy Meter for the feed-in power function.
  • Page 52 5 Electrical Connection User Manual Step 3 Remove the seal and lead the cable through the cable gland. Step 4 Remove the cable jacket and strip the wire insulation. Step 5 (Optional) When using a multi-core multi-strand wire cable, connect the wire head to the cord end terminal.

  • Page 53: Installing The Com Connector

    User Manual 5 Electrical Connection F F i i g g u u r r e e 5 5 - - 5 5 A2, B2 connection Step 7 Ensure that the wires are securely in place by slightly pulling them and insert the terminal plug into the housing until there is an audible click.

  • Page 54: Rs485 Connection

    5 Electrical Connection User Manual Step 2 Insert the COM connector into C C O O M M 2 2 terminal on the bottom of the inverter until there is an audible click. - - - - E E n n d d 5.10 RS485 Connection 5.10.1 RS485 Communication System The RS485 (A1, B1) connection can establish the communication between the inverter...

  • Page 55: Assembling The Com Connector

    User Manual 5 Electrical Connection F F i i g g u u r r e e 5 5 - - 6 6 Multi-inverter Connection • The maximum number of inverters allowed to be connected in the daisy chain is 5. •...
  • Page 56 5 Electrical Connection User Manual Step 3 Remove the seal and lead the cable through the cable gland. Step 4 Remove the cable jacket and strip the wire insulation. Step 5 (Optional) When using a multi-core multi-strand wire cable, connect the wire head to the cord end terminal.
  • Page 57 User Manual 5 Electrical Connection F F i i g g u u r r e e 5 5 - - 7 7 A1, B1 connection Step 7 Ensure that the wires are securely in place by slightly pulling them and insert the terminal plug into the housing until there is an audible click.

  • Page 58: Installing The Com Connector

    5 Electrical Connection User Manual - - - - E E n n d d 5.10.3 Installing the COM Connector Step 1 Remove the waterproof lid from the C C O O M M 2 2 connector. Step 2 Insert the COM connector into C C O O M M 2 2 terminal on the bottom of the inverter until there is an audible click.

  • Page 59: Do Connection

    User Manual 5 Electrical Connection 5.11 DO Connection The inverter is equipped with a DO relay for an earth fault alarm. The additional equipment required is a light indicator and/or a buzzer that needs additional power supply. Once fault occurs, the relay trips and the circuit is connected. The external indicator gets on.

  • Page 60: Drm Connection

    5 Electrical Connection User Manual 5.12 DRM Connection In Australia and New Zealand, the inverter supports the demand response modes as specified in the standard AS/NZS 4777. The following figure shows the wiring between the inverter and the external DRED. Table 5-4 Method of Asserting DRM M M o o d d e e A A s s s s e e r r t t e e d d b b y y S S h h o o r r t t i i n n g g T T e e r r m m i i n n a a l l s s...
  • Page 61 User Manual 5 Electrical Connection Table 5-5 Method of Asserting DI Mode O O u u t t p p u u t t p p o o w w e e r r ( ( i i n n % % o o f f t t h h e e R R a a t t e e d d S S 1 1 S S 2 2 S S 3 3 S S 4 4...
  • Page 62 5 Electrical Connection User Manual Step 4 Remove the cable jacket by 7 mm–10 mm. Step 5 Plug the wires into the corresponding terminals as shown in the following figure. F F i i g g u u r r e e 5 5 - - 1 1 0 0 DI connection Step 6 Ensure that the wires are securely in place by slightly pulling them and insert the terminal plug into the housing until there is an audible click.
  • Page 63 User Manual 5 Electrical Connection Step 7 Fasten the swivel nut. Step 8 Refer to section "5.10.3 Installing the COM Connector" to install the connector. - - - - E E n n d d...

  • Page 64: Commissioning

    Commissioning 6.1 Inspection before Commissioning Check the following items before starting the inverter: • All the installation sites are convenient for operation, maintenance and service. • All devices are firmly installed. • Space for ventilation is sufficient for one inverter or multiple inverters. •...

  • Page 65: App Preparation

    Step 2 Register an account. Refer to "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 "7.10.5 Firmware Update".
  • Page 66 6 Commissioning User Manual F F i i g g u u r r e e 6 6 - - 2 2 Creating Power Plant Step 4 Select plant type to R R E E S S I I D D E E N N T T I I A A L L and inverter type to P P V V . F F i i g g u u r r e e 6 6 - - 3 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.
  • Page 67 User Manual 6 Commissioning F F i i g g u u r r e e 6 6 - - 5 5 Selecting Internet Access Mode Step 7 The E E A A S S Y Y C C O O N N N N E E C C T T I I N N S S T T R R U U C C T T I I O O N N screen will prompt. Press the multi-function button on the WiNet-S module once to turn on EasyConnect mode.

  • Page 68: Initializing The Device

    6 Commissioning User Manual 6.5 Initializing the Device The inverter is successfully connected to the router. If there is no latest equipment upgrade package, skip steps 1 and 2. The actual initializing procedure may differ due to different countries. Please follow the actual App guidance.
  • Page 69 User Manual 6 Commissioning C C o o u u n n t t r r y y / / R R e e g g i i o o n n S S e e t t t t i i n n g g Germany ("DE") Germany Brazil ("BR")
  • Page 70 6 Commissioning User Manual N N e e t t w w o o r r k k S S e e r r v v i i c c e e P P r r o o v v i i d d e e r r G G r r i i d d T T y y p p e e •...

  • Page 71: Configuring The Plant

    User Manual 6 Commissioning 6.6 Configuring the Plant The inverter is successfully added to the plant and initialized. Refer to the guidance in previous sections. The distributor/installer who creates a plant for the end user needs to get the end user's e-mail address.
  • Page 72 6 Commissioning User Manual F F i i g g u u r r e e 6 6 - - 1 1 3 3 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.
  • Page 73 F F i i g g u u r r e e 6 6 - - 1 1 6 6 Live Data View Function Setting Consult Sungrow service for the devices that support live data function. Step 7 Tab B B A A C C K K to the C C O O M M P P L L E E T T E E D D screen. Tab P P D D F F R R E E P P O O R R T T to export the plant...
  • Page 74 6 Commissioning User Manual Step 8 Tab B B A A C C K K to the C C O O M M P P L L E E T T E E D D screen. Tab D D A A S S H H B B O O A A R R D D to return and manually refresh the page until the newly created plant is displayed with status commissioned.

  • Page 75: Isolarcloud App

    Users can also view inverter information and set parameters through the App. * To achieve direct login via WLAN, the wireless communication module developed and manufactured by SUNGROW is required. The iSolarCloud App can also establish communication connection to the inverter via Ethernet connection.

  • Page 76: Account Registration

    7 iSolarCloud App User Manual 7.3 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 maintain plants, and manage users and organizations.

  • Page 77: Login

    User Manual 7 iSolarCloud App The code of upper level distributor/installer can be obtained from the upper level distributor/installer. Only when your organization belongs to the upper level distributor/installer organization, can you fill in the corresponding code. Step 4 Tick A A c c c c e e p p t t p p r r i i v v a a c c y y p p r r o o t t o o c c o o l l and tap R R e e g g i i s s t t e e r r to finish the registration operation. - - - - E E n n d d 7.4 Login 7.4.1 Requirements...
  • Page 78 7 iSolarCloud App User Manual F F i i g g u u r r e e 7 7 - - 3 3 WLAN Local Access Step 5 If the inverter is not initialized, navigate to the quick setting screen to initialize the protection parameters.

  • Page 79: Initial Settings

    User Manual 7 iSolarCloud App - - - - E E n n d d 7.5 Initial Settings Tap C C o o u u n n t t r r y y / / R R e e g g i i o o n n and select the country where the inverter is installed. For countries except Australia and Germany, the initialization is completed.

  • Page 80: Home

    7 iSolarCloud App User Manual F F i i g g u u r r e e 7 7 - - 5 5 App Key Function Menu 7.7 Home Home page of the App is shown in the following figure.

  • Page 81: Run Information

    User Manual 7 iSolarCloud App F F i i g g u u r r e e 7 7 - - 6 6 Home Table 7-1 Home Page Description D D e e s s c c r r i i p p t t i i o o n n N N o o .

  • Page 82: Records

    7 iSolarCloud App User Manual Table 7-2 Description of Run Information D D e e s s c c r r i i p p t t i i o o n n I I t t e e m m Shows voltage and current of every PV string.
  • Page 83 User Manual 7 iSolarCloud App F F i i g g u u r r e e 7 7 - - 8 8 Chart The App displays power generation records in a variety of forms, including daily power generation graph, monthly power generation histogram, annual power generation histogram and total power generation histogram.
  • Page 84 7 iSolarCloud App User Manual F F i i g g u u r r e e 7 7 - - 9 9 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.

  • Page 85: More

    User Manual 7 iSolarCloud App F F i i g g u u r r e e 7 7 - - 1 1 1 1 Event Record Click to select a time segment and view corresponding records. 7.10 More Tap M M o o r r e e on the navigation bar to enter the corresponding screen, as shown in the following figure.

  • Page 86: Operation Parameters

    7 iSolarCloud App User Manual F F i i g g u u r r e e 7 7 - - 1 1 3 3 System Parameters B B o o o o t t / / S S h h u u t t d d o o w w n n Tap B B o o o o t t / / S S h h u u t t d d o o w w n n to send the boot/shutdown instruction to the inverter.

  • Page 87: Power Regulation Parameters

    User Manual 7 iSolarCloud App F F i i g g u u r r e e 7 7 - - 1 1 5 5 PID Setting Table 7-4 PID Parameter Description D D e e s s c c r r i i p p t t i i o o n n P P a a r r a a m m e e t t e e r r Set enabling/disabling of the PID night recovery function.
  • Page 88 7 iSolarCloud App User Manual F F i i g g u u r r e e 7 7 - - 1 1 6 6 Active Power Regulation Table 7-5 Description of Active Power Regulation Parameters D D e e s s c c r r i i p p t t i i o o n n R R a a n n g g e e P P a a r r a a m m e e t t e e r r Switch for activating/deactivating the...
  • Page 89 User Manual 7 iSolarCloud App F F i i g g u u r r e e 7 7 - - 1 1 7 7 Reactive Power Regulation Table 7-6 Description of Reactive Power Regulation Parameters D D e e s s c c r r i i p p t t i i o o n n R R a a n n g g e e P P a a r r a a m m e e t t e e r r Switch for activating/deactivating the...
  • Page 90 7 iSolarCloud App User Manual Table 7-7 "Q(P)" Mode Parameters Explanation P P a a r r a a m m e e t t e e r r E E x x p p l l a a n n a a t t i i o o n n R R a a n n g g e e Q(P) Curve Select corresponding curve according to local...
  • Page 91 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 E E x x p p l l a a n n a a t t i i o o n n R R a a n n g g e e P P a a r r a a m m e e t t e e r r Select corresponding curve according to local...

  • Page 92: Communication Parameters

    7 iSolarCloud App User Manual F F i i g g u u r r e e 7 7 - - 1 1 9 9 Reactive Power Regulation Curve in Q(U) Curve 7.10.4 Communication Parameters Tap S S e e t t t t i i n n g g s s → → C C o o m m m m u u n n i i c c a a t t i i o o n n P P a a r r a a m m e e t t e e r r s s to enter the corresponding screen, as shown in the following figure.
  • Page 93 User Manual 7 iSolarCloud App F F i i g g u u r r e e 7 7 - - 2 2 1 1 Firmware Download Step 3 Select the firmware from the file list and download. Tap D D o o w w n n l l o o a a d d e e d d to view successfully downloaded firmware package.

  • Page 94: System Decommissioning

    System Decommissioning 8.1 Disconnecting the Inverter 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. Lethal voltages or damage to the inverter will follow if otherwise. Step 1 Disconnect the external AC circuit breaker and secure it against reconnection.

  • Page 95: Dismantling The Inverter

    User Manual 8 System Decommissioning For further disconnection and reconnection instructions, please visit the webpage of respective component manufacturer. - - - - E E n n d d 8.2 Dismantling the Inverter Risk of burn injuries and electric shock! Do not touch any inner live parts until for at least 10 minutes after disconnecting the inverter from the utility grid and the PV input.

  • Page 96: Troubleshooting And Maintenance

    3. Check whether the cross-sectional area of the AC cable meets the requirement. 4. If the alarm persists, contact SUNGROW. Generally, the inverter will be reconnected to the grid after the grid recovers. If the alarm occurs frequently: 1.
  • Page 97 2. Check, through the App, whether the protection parameters are appropriately set. 3. If the alarm persists, contact SUNGROW. Generally, the inverter will be reconnected to the grid after the grid recovers. If the alarm occurs frequently: 1.
  • Page 98 App. 3. If the alarm persists, contact SUNGROW. 1. Check whether the corresponding string is of reverse polarity. If so, disconnect the DC switch and adjust the polarity when the solar radiation is low and the string current drops below 0.5 A.
  • Page 99 If the fault persists, check it again when the weather turns fine. 5. If the alarm persists, contact SUNGROW. 1. Check whether the AC cable is correctly connected.

  • Page 100: Maintenance

    Meter 2. Reconnect the Smart Energy Meter communication communication cable. error 3. If the alarm persists, contact SUNGROW. The inverter can operate normally. 1. Check whether the related cable connection and terminals are abnormal, and check whether the System alarm ambient environment is abnormal.

  • Page 101: Routine Maintenance

    • For any maintenance need, please contact SUNGROW. Otherwise, SUNGROW shall not be held liable for any damage caused. Servicing of the device in accordance with the manual should never be undertaken in the absence of proper tools, test equipments or the latest revision of the manual which has been clearly and thoroughly understood.
  • Page 102 9 Troubleshooting and Maintenance User Manual Step 4 Unscrew the screws on the fan bracket. Step 5 Lift the fan bracket upwards, press down the protrusion on the fan power plug connector and pull it outwards, and remove the fan bracket. Step 6 Unscrew the screws on the dust covers and remove the dust covers.
  • Page 103 User Manual 9 Troubleshooting and Maintenance Step 7 Use a soft brush or vacuum cleaner to clean the fan. If you need to replace the fan, use a screwdriver to unscrew the screw at the fan bracket and remove the fan. Step 8 Install the dust covers and then the fan bracket to the inverter.

  • Page 104: Appendix

    10 Appendix 10.1 Technical Data P P a a r r a a m m e e t t e e r r S S G G 3 3 . . 0 0 R R T T S S G G 4 4 . . 0 0 R R T T I I n n p p u u t t ( ( D D C C ) ) Recommended max.
  • Page 105 User Manual 10 Appendix P P a a r r a a m m e e t t e e r r S S G G 3 3 . . 0 0 R R T T S S G G 4 4 . . 0 0 R R T T 50 Hz / (45 Hz–55 Hz), 60 Hz / (55 Hz–65 Hz) Nominal grid frequency / Grid frequency range...
  • Page 106 10 Appendix User Manual * The inverter enters standby state when the input voltage ranges between 1,000 V and 1,100 V. If the maximum DC voltage in the system can exceed 1,000 V, the MC4 connectors included in the scope of delivery must not be used. In this case MC4-Evo2 connectors must be used.
  • Page 107 User Manual 10 Appendix P P a a r r a a m m e e t t e e r r S S G G 5 5 . . 0 0 R R T T S S G G 6 6 . . 0 0 R R T T Harmonic (THD) <...
  • Page 108 10 Appendix User Manual * The inverter enters standby state when the input voltage ranges between 1,000 V and 1,100 V. If the maximum DC voltage in the system can exceed 1,000 V, the MC4 connectors included in the scope of delivery must not be used. In this case MC4-Evo2 connectors must be used.
  • Page 109 User Manual 10 Appendix P P a a r r a a m m e e t t e e r r S S G G 7 7 . . 0 0 R R T T S S G G 8 8 . . 0 0 R R T T 50 Hz / (45 Hz–55 Hz), 60 Hz / (55 Hz–65 Hz) Nominal grid frequency / Grid frequency range...
  • Page 110 10 Appendix User Manual * The inverter enters standby state when the input voltage ranges between 1,000 V and 1,100 V. If the maximum DC voltage in the system can exceed 1,000 V, the MC4 connectors included in the scope of delivery must not be used. In this case MC4-Evo2 connectors must be used.
  • Page 111 User Manual 10 Appendix P P a a r r a a m m e e t t e e r r S S G G 1 1 0 0 R R T T S S G G 1 1 2 2 R R T T Harmonic (THD) <...
  • Page 112 10 Appendix User Manual * The inverter enters standby state when the input voltage ranges between 1,000 V and 1,100 V. If the maximum DC voltage in the system can exceed 1,000 V, the MC4 connectors included in the scope of delivery must not be used. In this case MC4-Evo2 connectors must be used.
  • Page 113 User Manual 10 Appendix P P a a r r a a m m e e t t e e r r S S G G 1 1 5 5 R R T T S S G G 1 1 7 7 R R T T S S G G 2 2 0 0 R R T T 180 V–276 V / 311 V–478 V AC voltage range...

  • Page 114: Quality Assurance

    E E x x c c l l u u s s i i o o n n o o f f L L i i a a b b i i l l i i t t y y In the following circumstances, SUNGROW has the right to refuse to honor the quality guarantee: •...

  • Page 115: Contact Information

    A A u u s s t t r r a a l l i i a a C C h h i i n n a a ( ( H H Q Q ) ) Sungrow Power Supply Co., Ltd Sungrow Australia Group Pty. Ltd.
  • Page 116 M M a a l l a a y y s s i i a a P P h h i i l l i i p p p p i i n n e e s s Sungrow SEA Sungrow Power Supply Co., Ltd Selangor Darul Ehsan Mandaluyong City...

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