Sungrow SH5T User Manual

Sungrow SH5T User Manual

3–phase hybrid inverter
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User Manual
3–Phase Hybrid Inverter
SH5T/6T/8T/10T/12T/15T/20T/25T
SH5T/6T/8T/
10T/12T/15T/20T/25T3–Phase
8_10_12_15_20_25T-UEN-Ver11-
202305
SH5_6_8_10_12_15_20_25T-UEN-Ver11-202305

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  • Page 1 User Manual 3–Phase Hybrid Inverter SH5T/6T/8T/10T/12T/15T/20T/25T SH5T/6T/8T/ 10T/12T/15T/20T/25T3–Phase Hybrid Inverter User ManualSH5_6_ 8_10_12_15_20_25T-UEN-Ver11- 202305 SH5_6_8_10_12_15_20_25T-UEN-Ver11-202305...
  • 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 ....................5 1.5 Maintenance Safety ..................5 1.6 Disposal Safety ....................6 2 Product Description ..................7 2.1 System Introduction ..................7 2.2 Product Introduction..................7...
  • Page 8 3.2.5 Reactive Power Regulation..............21 3.2.6 Load Control..................21 3.3 Battery Management ..................21 3.3.1 Charge Management................22 3.3.2 Discharge Management...............23 3.4 Communication and Configuration ..............24 4 Unpacking and Storage .................25 4.1 Unpacking and Inspection ................25 4.2 Scope of Delivery ..................26 4.3 Inverter Storage ...................27 5 Mechanical Mounting ..................28 5.1 Safety During Mounting.................28...
  • Page 9 6.8 Communication Connection ................59 6.8.1 WiNet-S2 Connection ................60 6.8.2 COM2 Terminal Communication Connection .........62 7 Commissioning ....................75 7.1 Inspection Before Commissioning..............75 7.2 Commissioning Procedure ................75 7.3 App Preparation ...................76 7.4 Creating a Plant....................76 8 iSolarCloud App ....................83 8.1 Brief Introduction ..................83 8.2 Installing App ....................83 8.3 Account Registration..................84 8.4 Login ......................85...
  • Page 10 8.10.11 Communication Parameters ............101 8.10.12 Firmware Update................101 8.10.13 Grounding Detection..............102 8.10.14 Parallel Configuration ..............103 8.10.15 Frequency Shift Power Control ............103 8.10.16 Import Power Limit................. 104 8.10.17 Energy Management Mode ............105 8.10.18 DO Configuration ................106 9 System Decommissioning ................
  • 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 •...
  • 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 1 Safety Instructions User Manual Damage to the product caused by incorrect wiring is not covered by the warranty. • Electrical connection must be performed by professionals. • Please use measuring devices with an appropriate range. Overvoltage can dam- age the measuring device and cause personal injury. •...
  • Page 15: Operation Safety

    User Manual 1 Safety Instructions Operation Safety When routing cables, ensure a distance of at least 30 mm between the cables and heat-generating components or areas to protect the insulation layer of cables from aging and damage. When the product is working: •...
  • Page 16: Disposal Safety

    1 Safety Instructions User Manual Touching the power grid or the contact points and terminals on the inverter con- nected to the power grid may lead to electric shock! • The power grid side may generate voltage. Always use a standard voltmeter to ensure that there is no voltage before touching.
  • Page 17: Product Description

    Product Description System Introduction • The inverter must only be operated with PV strings with class II protection in ac- cordance with IEC 61730, application class A. It is not allowed for the positive pole or the negative pole of the PV strings to be grounded. This can cause the inverter to be destroyed.
  • Page 18 2 Product Description User Manual figure 2-1 Inverter Appearance Description Name LED indicator panel Indicates the current working state of the inverter. Used to disconnect PV - only when there is no PV DC switch production. Includes DC terminals, AC terminals, battery terminals, Electrical connection communication terminals and additional grounding area...
  • Page 19: Symbols On The Product

    User Manual 2 Product Description figure 2-2 Dimensions of the Inverter Weight(kg) Inverter W(mm) H(mm) D(mm) SH5/6/8/10/ SH15/20T SH25T Symbols on the Product Symbol Explanation RCM mark of conformity. TÜV mark of conformity. CE mark of conformity. EU/EEA Importer Do not dispose of the inverter together with household waste. The inverter does not have a transformer.
  • Page 20: Led Indicator

    2 Product Description User Manual Symbol Explanation Do not touch live parts for 10 minutes after disconnection from the power sources. Additional grounding point. LED Indicator The LED panel with a display screen and an indicator is on the front of the inverter. figure 2-3 LED Panel (a) Normal state (b) Error state...
  • Page 21: Pv Energy Storage System (Pv Ess)

    User Manual 2 Product Description LED Color state Definition A system fault has occurred. Both the AC and DC sides are powered down. Gray Voltage may still be present in AC side circuits after the indicator is off. Pay atten- tion to the electricity safety when operating.
  • Page 22: Declaration For Back-Up Function

    PV modules and batteries. If there is no available power from batteries or PV modules in backup mode, the backup power supply will be automatically terminated. SUNGROW shall hold no liability for any consequences arising from failing to observe this instruction.
  • Page 23: Energy Management

    User Manual 2 Product Description Normally, the Back-Up switching time is less than 10 ms. However, some external fac- tors or local regulations may cause the system to fail on Back-Up mode. Therefore, the users must be aware of conditions and follow the instructions as below: •...
  • Page 24 2 Product Description User Manual With current No current Energy Management during Night During night, with energy available, the battery will discharge to supply power for loads. Al- ternatively, the grid will supply power for the loads in case the discharge power of the battery is insufficient.
  • Page 25: Parallel System

    User Manual 2 Product Description With current No current Parallel System 2.6.1 Grid-connected Parallel System Maximum two hybrid inverters with the same type can be connected in parallel in the PV ESS via RS485 communication. Each hybrid inverter will independently provide power to loads attached at the LOAD terminal in case of a grid outage.
  • Page 26: Retrofitting The Existing Pv System

    2 Product Description User Manual In an on-grid parallel system, the master inverter collects information from Smart Energy Meter and slave inverter and performs the energy management including: • Feed-in power control. • Battery charge / discharge • Maximum power limitation The following settings are required for the inverter parallel function.
  • Page 27: Whole Home Backup

    User Manual 2 Product Description Load Terminal to Retrofit the Existing PV System figure 2-7 Load Terminal to Retrofit the Existing PV System The LOAD terminal retrofits the existing PV system in order to maximize the use of PV en- ergy by allowing the PV inverter to work even when off-grid.
  • Page 28 2 Product Description User Manual Description Item Note Compatible with monocrystalline silicon, polycrystalline sili- PV strings con, and thin-film modules without grounding. Inverter SH5–25T Metering device Meter cupboard with power distribution system. Utility grid TT, TN-C, TN-S, TN-C-S. Battery (optional) A Li-ion battery.
  • Page 29: Function Description

    Function Description Safety Function 3.1.1 Protection Several protective functions are integrated in the inverter, including short circuit protection, grounding insulation resistance surveillance, residual current protection, anti-islanding pro- tection, DC overvoltage / over-current protection, etc. 3.1.2 Earth Fault Alarm The inverter has integrated a multiple-function dry-contact (DO relay), which can be used for the external alarm for earth fault.
  • Page 30: Regular Operational Voltage Range

    3 Function Description User Manual table 3-1 Demand Response Modes (DRMs) Explanation Mode DRM0 The inverter is in the state of “Turn off”. The import power from the grid is 0. DRM1 The import power from the grid is no more than 50 % of the rated power. DRM2 The import power from the grid is no more than 75 % of the rated power.
  • Page 31: Reactive Power Regulation

    User may set the control mode according to individual demand. Battery Management Li-ion battery from SUNGROW are compatible with the PV ESS,further battery models will be made compatible in the future. The currently supported battery brands and models are shown in the following table.
  • Page 32: Charge Management

    3-2 Battery Status Definition Port Voltage / SOC Type Empty Normal Full SUNGROW (SBR096/128/160/ 192/224/256) 5 %...100 % SOC < 5 % SOC = 100 % SUNGROW...
  • Page 33: Discharge Management

    The emergency charge command reported to the inverter is cleared. table 3-4 Default SOC Conditions for Li-ion Battery Backup Charge Type Trigger SOC Finishing SOC SUNGROW SOC ≤ 2 % SOC ≥ 4 % BYD (Battery-Box Premium HVM / SOC ≤ 2 % SOC ≥...
  • Page 34: Communication And Configuration

    3 Function Description User Manual • the maximum / recommended discharge current from the battery manufacturer. For this reason, the battery discharge power may not reach the nominal power. • If the PV voltage is higher than 950 V, the battery cannot discharge. Communication and Configuration The inverter possesses various ports for device and system monitoring, including RS485, Ethernet, WLAN, and CAN;...
  • Page 35: 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 36: Scope Of Delivery

    4 Unpacking and Storage User Manual Scope of Delivery figure 4-1 Scope of delivery Item Name Quantity Inverter Wall-mounting bracket Expansion plug set M5×12 screws and washers COM2 connector set COM1 connector set AC connector set PV connectors Cord end terminal* 10–33 Battery connectors WiNet-S2 module...
  • Page 37: Inverter Storage

    User Manual 4 Unpacking and Storage Inverter Storage Proper storage is required if the inverter is not installed immediately. • Store the inverter in the original packing case with the desiccant inside. • In case of stacking storage, the number of stacking layers should never exceed the limit marked on the outer side of the packing case.
  • Page 38: 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 39: Location Requirements

    User Manual 5 Mechanical Mounting 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 40: Angle Requirements

    5 Mechanical Mounting User Manual the weight of the inverter and is suitable for the dimensions of the inverter (e.g. cement walls, plasterboard walls, etc.). The structure should meet the following requirements: 5.2.3 Angle Requirements nstall the inverter vertically. Never install the inverter horizontally, or at forward/backward tilted, side tilted, or upside down.
  • Page 41: Installation Tools

    User Manual 5 Mechanical Mounting In case of multiple inverters, reserve specific clearance between the inverters. Installation Tools Installation tools include but are not limited to the following recommended ones. If necessary, use other auxiliary tools on site. Goggles Earplugs Dust mask Safety gloves Phillips screwdriver...
  • Page 42: Moving The Inverter

    5 Mechanical Mounting User Manual Hammer drill Marker Vacuum cleaner Rubber mallet (φ10) Anti-static wrist Wire cutter Wire stripper Hydraulic pliers strap Heat gun Crimping tool Wrench for Battery Multimeter terminal 4–6mm ≥ 1000V DC 10mm Open-end wrench RJ45 crimping tool (24 mm, 35 mm) Moving the Inverter Before installation, remove the inverter from the packing case and move it to the installation...
  • Page 43: Installing The Inverter

    User Manual 5 Mechanical Mounting 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 44 5 Mechanical Mounting User Manual * The image shown here is for reference only. The actual product received may differ. step 2 Place the expansion tubes into the holes. Then secure the wall-mounting bracket to the wall firmly with the expansion bolt sets. step 3 Install the bottom bracket to avoid the inverter tilting forward.
  • Page 45: 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 46: Terminal Description

    6 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 47 User Manual 6 Electrical Connection figure 6-1 Terminals at the Bottom of the Inverter * The image shown here is for reference only. The actual product received may differ. Description Name Used to disconnect PV - only when there is no PV DC switch production Positive and negative DC input connectors...
  • Page 48 6 Electrical Connection User Manual table 6-1 The Label Description of COM1 Terminal Description Label RS485 (A1, B1) RS485 communication port for parallel connection of inverters SW (SW-1, SW-2) Reserved CAN (H, L) CAN communication port for parallel connection of inverters Intelligent control switch for parallel connection of inverters (con- DO (COM3, NO3) nect the host only)
  • Page 49: Electrical Connection Overview

    User Manual 6 Electrical Connection RJ45–BAT table 6-3 The label description of COM2 terminal Description Label • DO (COM1, NO1): Grounding fault/alarm • DO (COM2, NO2): Diesel generator start/stop AI Input Reserved Connect to the Smart Energy Meter (If installing a single inverter Meter (A2, B2) or if installing the master inverter in a string of parallel inverters.) RSD (RSD-1, RSD-2)
  • Page 50 6 Electrical Connection User Manual (A) Battery (B) PV string (C) Inverter (D) Grid (E) Backup loads (F) Monitoring device (G) AC circuit breaker (H) Smart Energy Meter Make sure not to switch the phase order (L1-L3) which may cause malfunction. table 6-4 Cable requirements Specification Outer diame-...
  • Page 51 User Manual 6 Electrical Connection 1. If 27.6kVA (40A) ≤ household loads ≤ 43kVA (63A), use a cable with a sectional area of 16 mm²; 2. If 13.8kVA (20A) ≤ household loads ≤ 27.6kVA (40A), use a cable with a sectional area of 10~16 mm²;...
  • Page 52 6 Electrical Connection User Manual SH5/6T SH8/10/12T SH15T SH20/25T ① 63A/800V DC breaker * ② ≥25A/400V AC ≥32A/400V AC ≥40A/400V AC ≥63A/400V AC breaker breaker breaker breaker ③ Depends on loads ④ Depends on loads ⑤ Depends on household loads and inverter capacity ⑥⑦...
  • Page 53 User Manual 6 Electrical Connection 1. * If the battery is integrated with a readily accessible internal DC breaker, no additional DC breaker is required. 2. The values in the table are recommended values and can be set to other values according to actual conditions.
  • Page 54 6 Electrical Connection User Manual SH5/6T SH8/10/12T SH15T SH20/25T ① 63A/800V DC breaker * ② ≥25A/400V AC ≥32A/400V AC ≥40A/400V AC ≥63A/400V AC breaker breaker breaker breaker ③ Depends on loads ④ Depends on loads ⑤ Depends on household loads and inverter capacity ⑥⑦...
  • Page 55 User Manual 6 Electrical Connection SH5/6T SH8/10/12T SH15T SH20/25T ① 63A/800V DC breaker * ② ≥25A/400V AC ≥32A/400V AC ≥40A/400V AC ≥63A/400V AC breaker breaker breaker breaker ③ Depends on loads ④ Depends on loads ⑤ Depends on household loads and inverter capacity ⑥⑦...
  • Page 56: External Protective Grounding Connection

    AC side grounding terminal are reliably grounded. 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.
  • Page 57: External Protective Grounding Requirements

    User Manual 6 Electrical Connection 6.4.1 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. When there is only one inverter in the PV system, connect the external protective grounding cable to a nearby grounding point.
  • Page 58: Ac Cable Connection

    6 Electrical Connection User Manual AC Cable Connection 6.5.1 AC Side Requirements Only with the permission of the local grid department, the inverter can be con- nected to the grid. Before connecting the inverter to the grid, ensure the grid voltage and frequency comply with requirements, for which, refer to "Technical Date".
  • Page 59 User Manual 6 Electrical Connection step 2 Take out the terminal plug from the housing. step 3 Thread the AC cable of appropriate length through the swivel nut and the housing. step 4 Strip the cable by 80 mm. If the cold-pressed terminal is to be crimped onto the cable, the cable stripping length should be 2~3 mm plus the length of the metal body of the terminal.
  • Page 60 6 Electrical Connection User Manual The color of the cable cores in the figure is for reference only, and cables or cable cores selected must meet local standards. step 5 (Optional) If the number of cable wires (n) ≥ 7, use cold-pressed terminals for cable crimp- ing.
  • Page 61 User Manual 6 Electrical Connection When performing AC wiring (LOAD or GRID), check carefully if the cable wires match the ports properly. Incorrect wiring will damage the inverter. step 7 Ensure that the wires are securely in place by slightly pulling them. Tighten the swivel nut to the housing.
  • Page 62: Dc Cable Connection

    6 Electrical Connection User Manual - - End DC Cable Connection The PV string will generate lethal high voltage when exposed to sunlight. • Respect all safety instructions listed in relevant documents about PV strings.
  • Page 63: Pv Input Configuration

    User Manual 6 Electrical Connection • Make sure the PV array is well insulated to ground before connecting it to the inverter. • Make sure the maximum DC voltage and the maximum short circuit current of any string never exceed inverter permitted values specified in "Technical Data". •...
  • Page 64 6 Electrical Connection User Manual For SH5/6/8T, each PV input operates independently and has its own MPPT. In this way, string structures of each PV input may differ from each other, including PV module type, number of PV modules in each string, angle of tilt, and installation orientation. For SH10/12T, each pair of PV terminals is corresponding to an independent PV string.
  • Page 65: Installing The Pv Connectors

    User Manual 6 Electrical Connection Prior to connecting the inverter to PV inputs, the following electrical specifications must be met simultaneously: Model Open-circuit Voltage Max. current for Input Limit Connector SH5/6/8/10/12/15/20/ 1000 V 30 A 6.6.2 Installing the PV Connectors High voltage may be present in the inverter! •...
  • Page 66 6 Electrical Connection User Manual 1: Positive crimp contact 2: Negative crimp contact step 3 Lead the cable through cable gland, and insert the crimp contact into the insulator until it snaps into place. Gently pull the cable backward to ensure firm connection. Tighten the ca- ble gland and the insulator (torque 2.5 N.m to 3 N.m).
  • Page 67: Battery Power Connection

    User Manual 6 Electrical Connection step 8 Follow the foregoing steps to connect PV connectors of other PV strings. step 9 Seal any unused PV terminal with a terminal cap. - - End Battery Power Connection 6.7.1 Battery Connection Requirements This section mainly describes the cable connections on the inverter side.
  • Page 68: Installing The Battery Connector

    6 Electrical Connection User Manual If the hybrid inverter is not connected to a battery, it will not support reliably the backup function. The battery should be connected to the common grounding of the house (PE Bar) rather than directly to the inverter PE. The energy in the battery will not backfeed into the PV modules.
  • Page 69: Communication Connection

    User Manual 6 Electrical Connection step 5 Check for polarity correctness. step 6 Insert the connector into the BAT+ and BAT- terminals. If another model of battery is used, please refer to the corresponding product manual. - - End Communication Connection WLAN function With the WiNet-S2 module installed, view corresponding information through iSolarCloud App or iSolarCloud Web.
  • Page 70: Winet-S2 Connection

    6 Electrical Connection User Manual 6.8.1 WiNet-S2 Connection The WiNet-S2 module supports Ethernet communication and WLAN communication. It is not recommended to use both communication methods at the same time. (A) Inverter (B) Router/Switch (C) iSolarCloud server (D) iSolarCloud App (E) iSolarCloud Internet Local access...
  • Page 71 User Manual 6 Electrical Connection step 3 Refer to the guide delivered with the module for the set-up. - - End 6.8.1.2 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.
  • Page 72: Com2 Terminal Communication Connection

    6 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 WLANterminal and install WiNet-S. step 7 Slightly shake it by hand to determine whether it is installed firmly.
  • Page 73 The Smart Energy Meter DTSU666–20 is used (provided in the box), please connect Pin A on the meter to Pin A2 on the inverter and Pin B on the meter to Pin B2 on the inverter. Contact SUNGROW to ensure that the Smart Energy Meter model is available locally.
  • Page 74 6 Electrical Connection User Manual When wiring, make sure the arrow on the CT points in the direction from Grid to Load. Steps for connecting the Smart Energy Meter to the inverter with a communication cable 1. Unscrew the swivel nut from the connector and take out the terminal block.
  • Page 75 User Manual 6 Electrical Connection 2. Remove the seal and lead the cable through the cable gland. 3. Remove the cable jacket and strip the wire insulation.
  • Page 76 6 Electrical Connection User Manual 4. Plug the wires into the A2, B2 terminal of the COM2 terminal. 5. Insert the terminal block into the connector until it snaps into place with an audible click and fasten the swivel nut.
  • Page 77 User Manual 6 Electrical Connection 6. Remove the waterproof lid from the COM2 terminal, insert the COM2 connector into COM2 terminal of the inverter until there is an audible click.
  • Page 78 6 Electrical Connection User Manual For more information about the Smart Energy Meter, please refer to the corre- sponding product manual. 6.8.2.2 Battery Communication Connection Pin terminal or RJ45 plug can be used to connect the battery for communication. Pin terminal connection 1.
  • Page 79 User Manual 6 Electrical Connection RJ45 connection 1. Plug the wires into the RJ45–BAT terminal of the COM2 terminal.
  • Page 80 6 Electrical Connection User Manual If another model of battery is used, please refer to the corresponding product manual. 6.8.2.3 DO Connection The inverter has one DO relay with multiple functions as follows: DO(COM1, NO1): • Consumer load control. In this case the DO relay will control a contactor that will open or close in certain condition.
  • Page 81 User Manual 6 Electrical Connection Relay Trigger condition Description The load control mode The relay is activated once the conditions Consumer load has been set via the iSo- of the control mode are satisfied. See control larCloud App. "8.10.10 Load Control".
  • Page 82 6 Electrical Connection User Manual 6.8.2.4 DRM Connection DRM and Ripple Control support only one function at the same time. The inverter supports the demand response modes as specified in the standard AS/NZS 4777. The inverter has integrated a terminal block for connecting to a DRED. After the connection, the DRED assert DRMs by shorting together terminals as specified in the table below.
  • Page 83 User Manual 6 Electrical Connection The switches that need to be closed in the state of DRM0 ~ DRM8 are shown in the table below. Demand Response Mode Operational Instruction Switch state DRM0 Close S1 and S5 DRM1 Close S1 DRM2 Close S2 DRM3...
  • Page 84 6 Electrical Connection User Manual Output power (in % of the Rated AC Switch Operation on output power) External RCR Close S2 60 % Close S3 30 % 0 % (disconnect from grid) Close S1 and S2 Procedure Plug the wires into the corresponding terminal according the labels of the inverter...
  • Page 85: 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 86: App Preparation

    "8.3 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 87 User Manual 7 Commissioning figure 7-2 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. Installed power The installed power of the plant. Country/Region The country/region where the plant is located.
  • Page 88 7 Commissioning User Manual Parameter Description Name Grid-connec- The way the plant is connected to the grid, including 100% Feed-in, tion type Self-Consumption, Zero Export, and Off-grid. The time when the plant is connected to the grid. Grid-connected date Owner's email Fill in the owner information of the plant, and both registered and un- address registered email addresses are supported.
  • Page 89 User Manual 7 Commissioning 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 90 7 Commissioning User Manual step 8 Enter the Activate EasyConnect interface, and press the multi-function button on the WiNet-S2 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 91 User Manual 7 Commissioning 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. table 7-1 Description of Network Service Provider and Grid Type Network Service Provider Grid Type...
  • Page 92 * For compliance with AS/NZS 4777.2:2020, please select from Australia A/B/C. Please con- tact your electricity grid operator for which region to use. • 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.
  • Page 93: 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 94: Account Registration

    8 iSolarCloud App User Manual Account Registration The account distinguishes two user groups, end user and distributor/installer. • The end user can view plant information, create plants, set parameters, share plants, etc. • The distributor/installer can help the end user to create plants, manage, install, or main- tain plants, and manage users and organizations.
  • Page 95: Login

    User Manual 8 iSolarCloud App step 4 Fill in the registration information, including email, verification code, password and affirm- ance and country (region). The distributor/installer has the permission to fill in the company name and the code of upper level installer/distributor. The code of upper level distributor/installer can be obtained from the upper level distributor/installer.
  • Page 96: Initial Settings

    8 iSolarCloud App User Manual step 3 Tap Confirm, then enter the password and tap LOGIN.Or tap MANUAL CONNECTION at the bottom of the interface and select WiNet-S2, then enter the password and tap LOGIN. • If the WiFi signal, serial number or inverter related data information cannot be found, unplug and reinsert the WiNet-S2 or press the multi-function button of the WiNet-S2 three times.
  • Page 97 User Manual 8 iSolarCloud App table 8-1 Descriptions of reactive power regulation mode: Descriptions Mode The PF is fixed at +1.000. The reactive power can be regulated by the parameter PF (Power Factor). The reactive power can be regulated by the parameter Q-Var limits (in %). Q(P) The PF changes with the output power of the inverter.
  • Page 98 8 iSolarCloud App User Manual Default Range Explanation Parameter QP_Enter- Voltage percentage for Q(P) 105% 100% ~ 110% Voltage function activation Voltage percentage for Q(P) 100% 90% ~ 100% ExitVoltage function deactivation Power percentage for Q(P) func- 1% ~ 100% ExitPower tion deactivation Unconditional activation/deacti-...
  • Page 99: Function Overview

    User Manual 8 iSolarCloud App Default Range Explanation Parameter Value of Q/Sn at P3 on the Q QU_Q3 -60% ~ 60% (U) mode curve Grid voltage limit at P4 on the AU: 115.2% 100% ~ QU_V4 107% Q(U) mode curve 120% NZ: 110.8% Value of Q/Sn at P4 on the Q...
  • Page 100: Home

    8 iSolarCloud App User Manual figure 8-5 App Function Tree Map Home Home page of the App is shown in the following figure. figure 8-6 Home table 8-4 Home page description Description Name Shows the PV power generation power, feed-in power, etc.
  • Page 101: Run Information

    User Manual 8 iSolarCloud App Description Name Direct Power Con- Shows electricity directly consumed by loads today sumption of Today Battery SOC Indicates remaining battery capacity Today Self-consu Indicates today self-consumption rate of the PV Rate system Includes menus of Home, Run Information, Re- Navigation bar cords, and More.
  • Page 102: Chart

    8 iSolarCloud App User Manual figure 8-8 Records On Records screen, users can view chart and check fault alarm record. 8.9.1 Chart Tap Chart to enter the screen showing daily power generation, as shown in the following figure. figure 8-9 Power Curve 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.
  • Page 103: Fault Alarm Record

    User Manual 8 iSolarCloud App 8.9.2 Fault Alarm Record Tap Fault Alarm Record to enter the screen, as shown in the following figure. figure 8-10 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 104: More

    8 iSolarCloud App User Manual figure 8-12 Event Records 8.10 More Tap More on the navigation bar to enter the screen, as shown in the following figure. The More screen supports the following operations: • Set parameters including inverter system parameters and energy management parameter.
  • Page 105: Running Time

    User Manual 8 iSolarCloud App Boot/Shutdown Tap Boot/Shutdown to send the boot/shutdown instruction to the inverter. Date Setting/Time Setting The correct system time is very important. Wrong system time will directly affect the data logging and power generation value. The clock is in 24-hour format. Software Version Version information of the current firmware.
  • Page 106: Off-Grid Parameters

    8 iSolarCloud App User Manual figure 8-16 Regular Parameters After connecting the load to the DO terminals, a relay control signal will be transmitted. Users can flexibly set the control mode of DO configuration according to individual demand. NS protection is enabled, and the inverter stops in an emergency. table 8-7 The control mode of DO configuration Setting description Mode...
  • Page 107: Reactive Power Regulation

    User Manual 8 iSolarCloud App figure 8-18 Active Power Regulation table 8-8 Description of active power regulation Description Range Parameter Default Switch for activating/deactivating the Active Power Soft function of active power soft start after On/Off Start after Fault a fault occurs Active Power Soft The soft start time required for raising Start Time after...
  • Page 108: Battery Discharge Time

    8 iSolarCloud App User Manual figure 8-19 Reactive Power Regulation table 8-9 Description of reactive power regulation Description Range Parameter Default Switch for activating/deactivating the Reactive Power function of reactive power setting Setting On / Off persistence Persistence Off / PF / Reactive Power "8.5.3 Reactive Power Regulation Qt / Q(P) /...
  • Page 109: Battery Forced Charge Time

    User Manual 8 iSolarCloud App figure 8-20 Battery Discharge Time 8.10.9 Battery Forced Charge Time Tap Settings→Energy Management Parameter→Battery Forced Charge Time to enter the corresponding screen. These are the times of day at which the inverter will start charging the battery with rated AC power.
  • Page 110: Load Control

    8 iSolarCloud App User Manual 8.10.10 Load Control Tap Settings→Energy Management Parameter→Load Control to enter the correspond- ing screen, on which you can set Load Control Mode. Load Control Mode includes Timing Mode, Switch Mode, and Intelligent Mode. figure 8-22 Load Control Timing Mode In this mode, set the Load Timing Start Time 1 and Load Timing End Time 1, the system will control the load operation during the interval.
  • Page 111: Communication Parameters

    User Manual 8 iSolarCloud App The intelligent mode is disabled in an off-grid system. • When the inverter is installed to retrofit an exisiting PV system, the upper limit of opti- mized power is the sum of the rated power of the hybrid inverter and the rated power of the existing PV inverter.
  • Page 112: Grounding Detection

    If the distributor is unable to provide the required information, contact SUNGROW. Unauthorized personnel are not allowed to log in with this account. Otherwise, SUNGROW shall not be held liable for any damages caused. Tap More→Settings→Operation Parameters→Grounding Detection to enter the corre- sponding screen.
  • Page 113: Parallel Configuration

    User Manual 8 iSolarCloud App figure 8-26 Grounding Detection If the grounding detection is enabled, the DO relay will switch on automatically to signal the external alarm if the value exceeds the grounding detection alarm value. The buzzer inside the inverter will beep. The PV insulation resistance fault (fault sub-code 039) will trigger the DO relay to signal the external alarm.
  • Page 114: Import Power Limit

    8 iSolarCloud App User Manual Range Parameter Default value Frequency Shift Power ON / OFF Control Frequency Shift Test ON / OFF Set Test Frequency 50.00 Hz 50.00 ~ 55.00 Hz If PV inverters are connected on the AC side during battery-backup operation, the hybrid in- verter must be able to limit their output power.
  • Page 115: Energy Management Mode

    User Manual 8 iSolarCloud App Parameter Default value Range Import Power Limit 43.47kW 0-50kW The formula used to calculate the import power limit should be: Set value of Import Power Limit (kW) ≤ 3*230*0.8*rated current of the house's main switch. 8.10.17 Energy Management Mode Tap Settings→Energy Management Parameters→General Parameters→Energy Man- agement Mode to enter the screen, as shown in the following figure.
  • Page 116: Do Configuration

    8 iSolarCloud App User Manual figure 8-27 Energy Management Mode Description Parameter The normal operation mode of the inverter, where the inver- ter will cover the house load with PV and battery power. if Self-Consumption Mode the PV is higher than the load and the battery is full, the power will be injected in the grid according to the Feed-in Limitation settings.
  • Page 117 User Manual 8 iSolarCloud App figure 8-28 DO Configuration...
  • Page 118: System Decommissioning

    System Decommissioning Decommissioning the Inverter 9.1.1 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 119: Disposal Of Inverter

    User Manual 9 System Decommissioning step 2 Dismantle the inverter referring to "5 Mechanical Mounting" in reverse steps. step 3 If necessary, remove the wall-mounting bracket from the wall. step 4 If the inverter will be reinstalled in the future, please refer to "4.3 Inverter Storage"...
  • Page 120: Troubleshooting And Maintenance

    App or the LCD. Modify the overvoltage protection values with the consent of the local electric power operator. 3. If the fault still exists, contact SUNGROW. Generally, the inverter will be reconnected to the grid after the grid recovers. If the alarm occurs frequently: 1.
  • Page 121 Underfrequency 2. Check, through the App, whether the protection pa- rameters 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. Check whether the grid supplies power reliably.
  • Page 122 App. 3. If the fault still exists, contact SUNGROW. 1. Check whether the corresponding string is of re- verse polarity. If so, disconnect the DC switch and ad-...
  • Page 123 If so, replace the damaged cable and secure terminals to ensure a reliable connection. 5. If the fault still exists, contact SUNGROW. 1. Check whether the AC cable is correctly connected. 2. Check whether the insulation between the ground Grounding Cable cable and the live wire is normal.
  • Page 124 507, 508, System Alarm rials or other environmental abnormalities, and take 510, 513, corresponding corrective measures when necessary. 516–518 3. If the alarm persists, please contact SUNGROW. 006, 007, 011, 019, 021, 025, 038, 040– 042, 048– 050, 052–...
  • Page 125: Maintenance

    User Manual 10 Troubleshooting and Maintenance Contact the distributor if the measures listed in the “Troubleshooting Method” col- umn have been taken but the problem persists. Contact SUNGROW if the distribu- tor fails to solve the problem. 10.2 Maintenance 10.2.1 Maintenance Notices The DC switch can be secured with a lock in the OFF position or a certain angle beyond the OFF position.(For countries “AU”...
  • Page 126: Routine Maintenance

    Lethal voltage still exists in the inverter. Please wait at least 10 minutes and then perform maintenance work. There is a button cell on the inner PCB board. Contact SUNGROW for replacement when the relevant fault alarm occurs. Check the fastener, appearance, voltage, and resistance quarterly and annually.
  • Page 127: Appendix

    11 Appendix 11.1 Technical Data Parameters SH5T SH6T Input (DC) Recommended max. PV in- 10000 Wp 12000 Wp put power Max. PV input voltage 1000 V Min. PV input voltage / Start- 150 V / 180 V up input voltage...
  • Page 128 11 Appendix User Manual Parameters SH5T SH6T Rated grid frequency 50 / 60Hz Grid frequency range 45 - 55Hz / 55 - 65Hz Harmonic (THD) <3% (of rated power) Power factor at Rated power > 0.99 / 0.8 leading to 0.8 lagging...
  • Page 129 User Manual 11 Appendix Parameters SH5T SH6T Topology (solar / battery) Transformerless / Transformerless Degree of protection IP65 Dimensions (W x H x D) 620 * 480 * 195 mm Weight 32kg Mounting method Wall-mounting bracket Operating ambient tempera- -25 ℃ - 60 ℃...
  • Page 130 11 Appendix User Manual Parameters SH8T SH10T No. of independent MPP trackers No. of PV strings per MPPT 2 / 1 1 / 1 Max. PV input current 32 A (16 A / 16 A) 48 A (32 A / 16 A) 40 A (20 A / 20 A) 60 A (40 A / 20 A) Max.
  • Page 131 User Manual 11 Appendix Parameters SH8T SH10T THDV(@Linear load) < 2% Backup switch time <10ms Rated output power 8000 W / 8000 VA 10000 W / 10000 VA Peak output power ** 13500 W / 13500 VA,10s 15000 W / 15000 VA,10s Rated output current for 43000 W / 43000 VA (25℃) backup load during on grid...
  • Page 132 11 Appendix User Manual Parameters SH8T SH10T MC4 ( PV, Max.6mm² ) / Plug and play connector ( bat- DC connection type tery, Max.10mm² ) AC connection type Plug and play connector ( Max.16mm² ) Country of manufacture China * Depending on the connected battery. ** Can be reached only if PV and battery power is sufficient.
  • Page 133 User Manual 11 Appendix Parameters SH12T SH15T Max. AC input power 12000 W 15000 W Max. AC output apparent 12000 VA 15000 VA power Max. AC output current 18.2 A 22.8 A Rated AC voltage 3 / N / PE, 220 / 380 V; 230 / 400 V; 240 / 415 V AC voltage range 270 - 480 V Rated grid frequency...
  • Page 134 11 Appendix User Manual Parameters SH12T SH15T Surge Protection DC Type II / AC Type II *** PID Zero Parallel operation on grid port Master-slave mode Battery input reverse polarity protection General Data Topology (solar / battery) Transformerless / Transformerless Degree of protection IP65 Dimensions (W x H x D)
  • Page 135 User Manual 11 Appendix Parameters SH20T SH25T Min. PV input voltage / Start- 150 V / 180 V up input voltage Rated PV input voltage 600 V MPP voltage range 150 V - 950 V MPP voltage range for rated 355 V - 850 V 445 V - 850 V power...
  • Page 136 11 Appendix User Manual Parameters SH20T SH25T Max. output current for back- 3*63A up load Backup data(off-grid mode) Rated voltage 3 / N / PE, 220 / 380 V; 230 / 400 V; 240 / 415 V (± 2 %) Rated frequency 50Hz / 60Hz (±...
  • Page 137: The Compatibility For Backup Under Off-Grid Scenario

    150V. 11.2 The Compatibility for Backup under Off-grid Scenario The information below is about the compatibility for backup of SUNGROW SH15/20/25T in- verter under off-grid scenario. Please refer to this information before you use the back-up model of the four inverters under off-grid situation.
  • Page 138: Quality Assurance

    Conditioner (Frequency conversion) For those loads that not covered in this document, please contact SUNGROW to make sure the compatibility of the specific loads under off-grid scenario. SUNGROW will not be held re- sponsible for the usage of any load without confirmation. We will keep updating this docu- ment, please contact SUNGROW if there are any relevant issues.
  • Page 139: Contact Information

    The fault or damage is caused by installation, repairs, modification, or disassembly per- formed by a service provider or personnel not from SUNGROW. • The fault or damage is caused by the use of non-standard or non-SUNGROW compo- nents or software. •...

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