Sungrow S450S User Manual
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Sungrow S450S User Manual

Sungrow S450S User Manual

Single-phase microinverter
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User Manual
Single-Phase Microinverter
S450S/S800S/S1600S
S450S/S800S/
S1600SSingle-Phase
MicroinverterUser ManualS450_
800_1600S-UEN-Ver11-202405
S450_800_1600S-UEN-Ver11-202405

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  • Page 1 User Manual Single-Phase Microinverter S450S/S800S/S1600S S450S/S800S/ S1600SSingle-Phase MicroinverterUser ManualS450_ 800_1600S-UEN-Ver11-202405 S450_800_1600S-UEN-Ver11-202405...

  • 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 Security Declaration For details on the product’s network security vulnerability response process and vulnerability disclosure, please visit the following website: https://en.sungrowpower.com/security-vulner- ability-management. For more information on network security, please refer to the user manual of the communi- cation module or the Data Logger that comes with the product. 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-...

  • Page 6: Privacy Policy

    Privacy Policy The Microinverter device itself does not collect any personal data or telemetry data. It may collect information such as power generation data and product operation data for calculation purposes. You can check and manage such information on the iSolarCloud App. The privacy policy can be found on the login screen of the App.

  • Page 7: Table Of Contents

    2.2 Microinverter ....................4 2.3 Application Scenarios ..................5 2.3.1 Rooftop PV System ................5 3 Hardware Design ....................7 3.1 Product Models ....................7 3.2 S450S ......................8 3.3 S800S ......................9 3.4 S1600S .......................10 4 Installation Instructions .................. 11 4.1 Preparation Before Installation............... 11 4.1.1 Safety During Mounting ............... 11 4.1.2 Installation Environment Requirements..........
  • Page 8 6 Remote Monitoring ..................29 6.1 Create Plant....................29 6.2 Firmware Update..................33 6.3 View Layout ....................34 6.4 Reset iSolarCloud Account Password ............39 6.5 Reset Microinverter Password ...............40 6.6 Turn on Microinverter Hotspot................42 7 Maintenance ....................43 7.1 Maintenance Notices ..................43 7.2 Routine Maintenance ..................44 7.3 Microinverter Removal and Replacement ............44 7.3.1 Microinverter Removal and Replacement..........44 7.3.2 Microinverter Replacement on iSolarCloud App........45...

  • Page 9: Safety Instructions

    Level 6 or stronger winds. SUNGROW shall not be held liable for any damage to the device due to force majeure, such as...
  • Page 10 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 11: Product Description

    Product Description Microinverter-based Grid-connected PV System System Introduction The microinverter-based grid-connected PV system is mainly composed of the PV modules, grid-connected PV microinverter ("microinverter"), communication and data acquisition de- vice (optional), monitoring platform, and power grid. The system structure is shown below. As an integral part of the PV power system, the microinverter converts the DC power gener- ated from the PV modules into the grid-compatible AC power and feeds it to the grid.

  • Page 12: Microinverter

    2 Product Description User Manual microinverter. It also enables users to manage and maintain the device remotely and re- move some possible faults and alarms in the earliest stage, thus ensuring the device's stable operation. For more information, please refer to the user manual for the iSolarCloud monitor- ing platform.

  • Page 13: Application Scenarios

    User Manual 2 Product Description Application Scenarios Given its high power generation efficiency and great safety performance, the microinverter has been widely applied in residential PV systems. 2.3.1 Rooftop PV System Just like the balcony PV systems, users can use microinverters to increase the yield of roof- top PV systems also.
  • Page 14 2 Product Description User Manual Check the signal strength of the router's Wi-Fi in the network list. If the router's Wi-Fi network cannot be detected or the number of signal bars is ≤2, it is suggested to take the below actions: Move the router to a position closer to the microinverter, until the strength of the router's Wi-Fi reads ＞2 bars.

  • Page 15: Hardware Design

    Hardware Design Product Models Product Models • S450S, 1-in-1 • S800S, 2-in-1 • S1600S, 4-in-1 figure 3-1 Product Model Definition Description Definition Brand and model S: SUNGROW Power rating 800: The product has a rated power of 800W Single-phase S: Single-phase...

  • Page 16: S450S

    3 Hardware Design User Manual S450S External Design figure 3-2 External Design Dimensions figure 3-3 Dimensions...

  • Page 17: S800S

    User Manual 3 Hardware Design S800S External Design figure 3-4 External Design Dimensions figure 3-5 Dimensions...

  • Page 18: S1600S

    3 Hardware Design User Manual S1600S External Design figure 3-6 External Design Dimensions figure 3-7 Dimensions...

  • Page 19: Installation Instructions

    " " 4.1.2 Installation Environment Requirements" " . In case the environment where the product is in- stalled does not meet the requirements, SUNGROW shall not be held liable for any property damage arising therefrom. Improper handling may cause personal injury! •...

  • Page 20: Installation Space Requirements

    • Please consult SUNGROW before installing microinverters outdoors in areas prone to salt damage, which mainly are coastal areas within 500 meters of the coast. The sedi- mentation amount of salt spray is correlated to the characteristics of the seawater, sea winds, precipitation, air humidity, topography, and forest coverage in the adjacent sea areas, and there are substantial differences between different coastal areas.

  • Page 21: Pv Module Requirements

    • To install the microinverter on the wall, make sure it is at least 20 mm away from the wall surface. 4.1.4 PV Module Requirements S450S S800S S1600S Recommended PV 375W – 570W module power range Max.

  • Page 22: System Wiring Diagram

    S1600S microinverter as an example. figure 4-1 Product Accessories for Rooftop PV System table 4-1 Product Accessories Description Definition Model Microinverter S450S/S800S/ Included in the S1600S scope of delivery as standard equipment. Sealing cap for T- MC-EC01 Included in the scope of delivery.

  • Page 23: Mounting And Wiring

    Mounting and Wiring 4.3.1 Mount the Microinverter Do not lift the cable by hand when handling the device. The S450S and S800S microinvert- ers do not have handles. You may move the device by gripping the groove on its back.
  • Page 24 4 Installation Instructions User Manual figure 4-2 Handling Notice Step 1 Tear off the QR code label on the device enclosure. Two identical QR code labels are pro- vided on the enclosure. Take down one of them and stick it to the appointed location of the Quick Installation Guide.

  • Page 25: Attach Ac Male Connector

    User Manual 4 Installation Instructions Step 3 Mount the microinverter. Fix the microinverter to the bracket with M8 screws at a torque of 9.0 N.m, as shown in the figure below. • Do not mount the microinverter on the edge of the bracket. •...
  • Page 26 4 Installation Instructions User Manual Step 2 Strip the cable. Strip the protection layer and insulation layer by a proper length, as specified in the figure below. Step 3 Crimp the terminals. Crimp the cold-pressed terminals onto the wires using a crimping tool. Step 4 Wiring.

  • Page 27: Wiring Steps

    User Manual 4 Installation Instructions 4.3.3 Wiring Steps Step 1 Connect the external grounding cable. Secure the grounding cable with M4 screws at a tor- que of 1.5 N.m, as shown in the figure below. Step 2 Connect the DC connectors. Attach the DC connectors of the microinverter to those of the PV modules, as shown in the figure below.
  • Page 28 4 Installation Instructions User Manual Step 3 Connect the AC connector. Connect the AC connector of the microinverter to the AC trunk cable, as shown in the figure below. Make sure the connection is secure. Step 4 (Optional) Connect the extension cable. An extension cable is required if the distance ex- ceeds 2.8m.
  • Page 29 - - End S450S, S800S, and S1600S are all single-phase microinverters, but they can also be used in three-phase power systems. When using them in a three-phase power system, connect microinverters to different phase lines to ensure power balance among the three phases.

  • Page 30: Commissioning

    Commissioning Commissioning Procedure Inspection Before Powering on Perform inspections as follows before turning on the microinverter for the first time, and make sure the requirements below are all met. • All devices are properly installed. • The AC circuit breaker is set to “OFF”. •...
  • Page 31 User Manual 5 Commissioning figure 5-1 iSolarCloud App The microinverter has its own Wi-Fi function too. Users can complete the network settings for the microinverter to access it to the home wireless network, so that it can upload its pro- duction and performance data to iSolarCloud over the Internet.

  • Page 32: Device Operation Parameter Setting

    5 Commissioning User Manual figure 5-2 Grid-connection Operation Configuration Flow Chart 5.2.2 Device Operation Parameter Setting Step 1 Log in via local access. Open the iSolarCloud App. Tap Local Access on the login screen, and scan the QR code on the microinverter. Then, enter the account user and password pw1111, and tap Verification.
  • Page 33 User Manual 5 Commissioning • Connect only one mobile phone to the microinverter's hotspot at a time. Other- wise, it may lead to a conflict issue. • To keep your account secure, after logging in to the system, change your pass- word immediately and log in again using the new one.
  • Page 34 5 Commissioning User Manual Step 2 Set the country/region and grid type. Tap Device Initialization to go to “Initialize Protection Parameter”, as shown in the figure below. You can select the country/region and the grid type based on the actual situation. Step 3 (Optional) Device check.
  • Page 35 User Manual 5 Commissioning Step 4 After the “Initialize Protection Parameter” is set, the system will go back to “Commissioning”. Now choose Network, select the home network, and enter the correct password to connect the device to the network, as shown in the figure below. If there is only one microinverter, after a successful network connection, tap Skip to go to the home screen, where you can check the device's running data.
  • Page 36 5 Commissioning User Manual Step 5 To set up network connections for multiple microinverters, tap Confirm at the end of Step 4 to synchronize the current network settings across different devices. After a successful syn- chronization, users do not need to spend time in performing network settings for other devices.

  • Page 37: Remote Monitoring

    Remote Monitoring Create Plant Background Information To monitor in real time the device's power generation data remotely, you need to create a plant and add the device to the plant for management. Step 1 Create an account. Open the iSolarCloud App, and tap Register on the login screen. Then, select the server and type of account and fill in the required information to create an Owner account, as shown in the figure below.
  • Page 38 6 Remote Monitoring User Manual Step 2 Create a plant. Log in to your iSolarCloud App account. Following the onscreen instructions, tap Create Plant, fill in the general information about the plant, and then save, as shown in the figure below. table 6-1 Parameters Required for Creating a Plant Description Parameter...
  • Page 39 User Manual 6 Remote Monitoring Description Parameter Shows the current date by default. You may tap to set the grid-con- Grid-connected Date nected date. Plant Image Upload an image of the plant. Step 3 Add a device. After completing the plant information, the system will go to the “Create Plant” screen.
  • Page 40 6 Remote Monitoring User Manual Step 4 Tariff setting. After the device has been added, the system will go to the “Create Plant” screen. Tap Tariff. You can set Feed-in Tariff and Consumption Tariff by following the onscreen instructions, and tap Save, as shown in the figure below. Step 5 The plant that has been created will be shown on the "Monitoring"...

  • Page 41: Firmware Update

    To further improve the device's performance, stability, and reliability, or to fix the known prob- lems and vulnerabilities, SUNGROW may release new versions of firmware from time to time and notify users accordingly. Please update the firmware regularly to ensure the devi- ce's reliable operation.

  • Page 42: View Layout

    6 Remote Monitoring User Manual Step 2 Choose the Microinverter tab. Select the microinverter, and tap Firmware Update. Set the Single Device Update Timeout to 1h (user-definable), and tap Update to start an update, as shown in the figure below. If the firmware update is not completed within the preset time, the system will indi- cate a firmware update timeout.
  • Page 43 User Manual 6 Remote Monitoring – View microinverter information: Tap a microinverter in the layout to check its energy production information. ♦ Choose Information at the lower left of the screen to view more information about the microinverter, such as General Information, Fault, Curve, Settings, and Remote Signaling Status.
  • Page 44 6 Remote Monitoring User Manual – Physical Layout: Shows the installation position and angle of the microinverter and PV modules. – Logical Layout: Shows the connection between the microinverter and PV modules and their assignment status. • View power yield data: –...
  • Page 45 User Manual 6 Remote Monitoring • View device status and quantity: Tap at the lower left of the layout view to check the status and number of microinverters.
  • Page 46 6 Remote Monitoring User Manual • View device: Tap Device at the lower left of the layout view to check the device S/N and assignment status. • View curves: Tap Curve at the lower right of the layout view. You can choose a module, and tap Curve to check its energy production data displayed as a curve.

  • Page 47: Reset Isolarcloud Account Password

    User Manual 6 Remote Monitoring Reset iSolarCloud Account Password Change the password required to log in to the iSolarCloud account. Step 1 Tap Forgot Password on the login screen.

  • Page 48: Reset Microinverter Password

    6 Remote Monitoring User Manual Step 2 Enter the account name, and tap Next. You may not be able to reset your password if: • The account is not associated with an email address. • You have deleted your personal information, e.g., your email address. •...
  • Page 49 User Manual 6 Remote Monitoring Step 1 Open the plant that has been created, and tap Device. Step 2 Choose the target microinverter. Step 3 Tap Communication Device Parameter Setting in the scrolling menu bar, and choose Common Parameters. Step 4 Tap Reset Login Password. Step 5 Tap Enable.

  • Page 50: Turn On Microinverter Hotspot

    6 Remote Monitoring User Manual Turn on Microinverter Hotspot In case the microinverter's hotspot goes off from timeout, you can turn it on again by follow- ing the steps below. Step 1 Open the plant that has been created, and choose Device. Step 2 Choose the target microinverter.

  • Page 51: Maintenance

    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 52: Routine Maintenance

    7 Maintenance User Manual Touching the PCB or other static sensitive components may cause damage to the device. • Do not touch the circuit board unnecessarily. • Observe the regulations to protect against electrostatic and wear an anti-static wrist strap. Routine Maintenance Item Method...

  • Page 53: Microinverter Replacement On Isolarcloud App

    User Manual 7 Maintenance Step 2 To remove the AC connector, use a disconnect tool. Step 3 Remove the DC connector, use a connector wrench to loosen the locking parts. Connector wrench prepared by users. Step 4 Remove the grounding cable. Step 5 Unscrew the fixing screws using a proper tool.
  • Page 54 7 Maintenance User Manual Step 2 Tap the plant, and choose Device. Then, tap and choose Device Replacement to add the new microinverter to the plant. The steps are shown below. For how to add a new device, "6.1 Create Plant".

  • Page 55: System Decommissioning

    User Manual 7 Maintenance System Decommissioning 7.4.1 Disconnect the Microinverter Danger of burns! Even after the microinverter has been stopped, it may still be hot and cause burns. Wait for it to cool down, and then perform operations on it wearing protective gloves.
  • Page 56 7 Maintenance User Manual Please dispose of the microinverter in compliance with the applicable local regula- tions and standards to avoid property damage or casualties. Some parts or components of the microinverter may contaminate the environment. Therefore, please dispose of the microinverter or its parts or components accord- ing to the applicable regulations for electronic waste disposal in the place where the microinverter is located.

  • Page 57: Troubleshooting And Maintenance

    2. If the fault does not arise for the aforementioned reason and still cannot be resolved, please contact SUNGROW Customer Service. Grid transient Generally, the inverter will reconnect to the grid once the overvoltage grid returns to normal.
  • Page 58 2. Check whether the AC cable connection is secure; 3. If the fault does not arise for the aforementioned reason and still cannot be resolved, please contact SUNGROW Customer Service. 7, 16, 38, System fault...
  • Page 59 2. If the fault does not arise for the aforementioned reason and still cannot be resolved, please contact SUNGROW Customer Service. Generally, the inverter will reconnect to the grid automati- cally once the grid returns to normal. If this fault occurs repeatedly: 1.
  • Page 60 10-minute over-voltage protection threshold; 3. If the fault does not arise for the aforementioned reason and still cannot be resolved, please contact SUNGROW Customer Service. Generally, the inverter will reconnect to the grid once the grid returns to normal.
  • Page 61 2. If the fault does not arise for the aforementioned reason and still cannot be resolved, please contact SUNGROW Customer Service. Generally, the device will reconnect to the grid automati- cally after the fault is removed. If this fault occurs repeatedly: 1.
  • Page 62 SUNGROW Customer Service. Contact your dealer if you have already tried the “Troubleshooting Methods” listed in the table above but the problem is still not resolved. In case the dealer cannot help you solve the problem, please contact SUNGROW.

  • Page 63: Appendix

    Appendix Technical Data Type designation S450S S800S S1600S Input (DC) Recommended PV 375 W - 570 W module power range Max. PV input voltage 60 V Min. PV input voltage 16 V / 22 V / Startup input voltage MPPT voltage range...
  • Page 64 9 Appendix User Manual Type designation S450S S800S S1600S Power factor at rated power / Adjustable > 0.99 / 0.8 leading - 0.8 lagging power factor Maximum units per branch ( 2.5 mm2 ) Efficiency Max. efficiency 96.2 % European efficiency 95.4 %...

  • Page 65: Quality Assurance

    During the warranty period, the customer shall provide the product purchase invoice and date. In addition, the trademark on the product shall be undamaged and legible. Otherwise, SUNGROW has the right to refuse to honor the quality guarantee. The warranty period is 15 years and the software service period is 15 years.
  • Page 66 9 Appendix User Manual • Fault code/name • Brief description of the problem For detailed contact information, please visit: https://en.sungrowpower.com/contactUS...

This manual is also suitable for:

S800sS1600s

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