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Sungrow PowerStack-ST225kWh-110kW-2h System Manual
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Sungrow PowerStack-ST225kWh-110kW-2h System Manual

Sungrow PowerStack-ST225kWh-110kW-2h System Manual

Energy storage system
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System Manual
Energy Storage System
PowerStack-ST225kWh-110kW-2h
PowerStack-
ST225kWh-110kW-2hEnergy
Storage SystemSystem
Ver22-202401M-D-000812
ST225kWh-110kW-2h-SCN-Ver22-202401

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Summary of Contents for Sungrow PowerStack-ST225kWh-110kW-2h

  • Page 1 System Manual Energy Storage System PowerStack-ST225kWh-110kW-2h PowerStack- ST225kWh-110kW-2hEnergy Storage SystemSystem ManualST225kWh-110kW-2h-SCN- Ver22-202401M-D-000812 ST225kWh-110kW-2h-SCN-Ver22-202401...
  • Page 3 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 This manual gives an introduction to the transport and storage, mounting, electrical connec- tion, powering on/off, troubleshooting, and maintenance of the ESS. Target Group This manual is intended for operators of the energy storage plant and qualified technical per- sons.
  • Page 5 Indicates a slightly hazardous situation which, if not avoided, may result in minor or moderate injury. Indicates a potential hazard which, if not avoided, will result in device malfunction or property damage. Indicates supplementary information, emphasis on specific points, or tips related to the use of the product that might help to solve your problems or save your time.
  • Page 6 Sign Explanation Protective Earthing (PE) terminal. This terminal should be connected for reliable grounding, to ensure the safety of the operator. Read the manual before performing any operation on the product. Wear safety goggles.
  • Page 7 Contents All Rights Reserved .....................I About This Manual......................II 1 Safety Precautions ...................1 1.1 Personnel Requirements.................1 1.2 Electrical Safety .....................1 1.3 Battery Safety ....................2 1.4 Hoisting and Transportation................3 1.5 Installation and Wiring..................3 1.6 Operation and Maintenance ................4 1.7 Product Disposal ....................5 2 Product Description ..................6 2.1 Product Overview ...................6...
  • Page 8 4.2 Installation Environment Requirements ............22 4.2.1 Installation Site Requirement ...............22 4.2.2 Foundation Requirements..............23 4.2.3 Installation Space Requirements ............24 4.3 Handle with Forklift ..................27 4.4 Hoisting ......................28 4.4.1 Precautions ..................28 4.4.2 Hoisting....................29 4.5 ESS Fixing ....................30 5 Electrical Connection ..................32 5.1 Precautions....................32 5.2 Electrical Connection Overview ..............32 5.3 Preparation Before Wiring ................34 5.3.1 Prepare Installation Tools..............34...
  • Page 9 7.2.1 Planned Shutdown ................52 7.2.2 Emergency Shutdown .................52 8 Fire Suppression ....................53 8.1 General Rules ....................53 8.2 Fire Suppression Equipment .................53 8.3 Detection Alarm System................54 8.4 Fire Extinguishing System ................54 8.5 Backup System ....................55 9 Troubleshooting ....................56 10 Routine Maintenance ..................57 10.1 Precautions Before Maintenance ..............57 10.2 Maintenance Item and Interval ..............57...
  • Page 11 Safety Precautions Personnel Requirements The hoisting, transportation, installation, wiring, operation, and maintenance of the equip- ment must be carried out by qualified electrical technicians in accordance with local regula- tions. Qualified technicians must: • Have certain electrical wiring, electronic, and mechanical expertise, and be familiar with electrical and mechanical schematics.
  • Page 12 For safe use of the product, the technician should carefully read and strictly observe the safety requirements. SUNGROW shall not be liable for product functional abnormality, com- ponent damage, personal safety accident, property loss, or other damage caused by the fol- lowing reasons: •...
  • Page 13 Only equipment designated by Sungrow Power Supply Co., Ltd (hereinafter re- ferred to as "SUNGROW") can be used. Failure to use equipment designated by SUNGROW may cause damage to the protection function and injury to personnel.
  • Page 14 There are no user-maintainable parts inside the battery unit. Only personnel approved by SUNGROW can remove, replace and dispose of the batteries. Users are not allowed to maintain batteries without guidance. To avoid electric shock, do not perform any other maintenance operations beyond those described in this manual.
  • Page 15 System Manual 1 Safety Precautions Product Disposal When the equipment or its internal components reach end-of-life, do not dispose of it to- gether with household wastes. Some components inside the equipment can be recycled, while some may pollute the environment. Contact an authorized local facility for collection.
  • Page 16 Product Description Product Overview The electrical equipment, communication device, temperature control device, and fire sup- pression system of the ESS all adopt an integrated design. For electrical equipment, the LFP battery system is designed with a liquid cooling system, while the PCS adopts forced air cooling for heat dissipation.
  • Page 17 System Manual 2 Product Description External Design 2.2.1 ESS External Design The external design of the ESS is shown in the figure below. figure 2-2 External Design *The figure is for reference only. The real product may differ. Name LED indicator Air inlet Emergency stop button Door lock...
  • Page 18 2 Product Description System Manual LED Indicator The LED indicator is located at the top of the ESS cabinet. The description of the LED indi- cator status is shown as follows. table 2-1 LED Indicator Status Description Indicator Status The system works normally (char- Steady on ging/discharging) Blink with fading effect at...
  • Page 19 System Manual 2 Product Description figure 2-3 Overall Dimensions figure 2-4 Dimensions of ESS with Its Door Fully Opened *The figure is for reference only and the real product may differ. 2.2.3 Ventilation Design The ESS has an air inlet at its front and an air outlet at its rear, as shown in the figure below.
  • Page 20 2 Product Description System Manual figure 2-5 Air Inlet and Outlet *The figure is for reference only and the real product may differ. Internal Design 2.3.1 Internal Components The main electrical equipment inside the ESS cabinet are shown in the figure below. figure 2-6 Internal Structure Name PCS (SC110CX)
  • Page 21 System Manual 2 Product Description *The figure is for reference only and the real product may differ. 2.3.2 PCS (SC110CX) PCS External Design The external design of the SC110CX Power Conversion System (PCS) is shown in the figure below. figure 2-7 PCS External Design *The figure shown here is for reference only.
  • Page 22 2 Product Description System Manual Description Name Fans are installed at the back of the cover plate, used Air inlet cover for forced cooling. Used to disconnect the device from the battery safely. DC switch * During product use, avoid DC positive/negative-to-ground short circuits and short circuits between positive and negative.
  • Page 23 System Manual 2 Product Description figure 2-8 External Design *The figure shown here is for reference only. The real product may differ. Description Name Used to restrict the free movement of the power dis- Locating pin tribution box. Used to exhaust the circulating hot air from the Air outlet power distribution box.
  • Page 24 2 Product Description System Manual Description Name Miniature circuit breaker Lock the miniature circuit breaker when the power lock is cut off. Auxiliary power supply Used for external power supply wiring. port Additional protective Terminal used for additional protective grounding, grounding terminal as specified by EN 50178.
  • Page 25 System Manual 2 Product Description table 2-4 PACK Data 1 PACK Parameter Value Model P573-111/ P573B-111 Dimensions (W*H*D) (wir- (868±5 mm) * (247±5 mm) * (1442±5 ing terminals and faucets not considered) C Rate ≤0.5C Prismatic cell with aluminum shell, Cell type Configuration (series and 1P64S...
  • Page 26 2 Product Description System Manual RACK Structure table 2-7 RACK Structure Arrangement Model ST215kWh-100kW-2h ST225kWh-110kW-2h Note: PACK represents battery module, with for 1P60S PACK and for 1P64S PACK. PCS stands for power conversion system, LCS for liquid cooling unit, and PMD for power distribution box. 2.3.5 Energy Management Controller (Optional) The EMS300CP energy management system controller can collect the operation data of the ESS and upload them to iSolarCloud so that users can monitor and control the system op-...
  • Page 27 System Manual 2 Product Description • Gateway meter: Zero export, demand control. • Electricity meter: Overload protection. Local Monitoring on Web The internal communication wiring between the EMS300CP and the ESS has been com- pleted upon delivery. Connect the PC to the communication port on the ESS on site. Then, you may access the EMS300CP Web system on the PC.
  • Page 28 2 Product Description System Manual figure 2-10 EMS300CP iSolarCloud Homepage...
  • Page 29 Transport and Storage Precautions • Failure to transport and store the product in accordance with the requirements in this manual may invalidate the warranty. Transport Methods The ESS can be transported by land and sea. It adopts an integrated and easy-to-lift design that facilitates transport.
  • Page 30 3 Transport and Storage System Manual To transport and move the ESS, make sure the below requirements are met: • All the doors of the ESS are locked. • Select an appropriate crane or lifting tool according to the on-site conditions. The tool used must have a sufficient load capacity, boom length, and swing radius.
  • Page 31 • The packing crate cannot be tilted or turned upside down. If the ESS has been stored for over 6 months (from the date it is delivered from SUNGROW) under the required conditions mentioned above, perform charging/discharging once until the...
  • Page 32 • Ensure the gateway meter and electricity meter used in conjunction with EMS300CP have been installed. In case of any problem or doubt, contact your transport service provider or SUNGROW in time. • Proceed with installation only if the equipment is intact without any signs of...
  • Page 33 • The foundation should be built in compliance with the foundation drawing provided, or approved, by SUNGROW. The tolerance for the upper surface of the foundation is ±5mm. • The foundation should provide sufficient and effective support for the equipment.
  • Page 34 4 Mechanical Installation System Manual • After all the cables are connected, seal off the cable inlet and outlet and the connectors with fireproof mud or other suitable materials, to prevent rodents from entering the equipment. Pre-bury the grounding unit according to the applicable standards of the coun- try/region where the project is located.
  • Page 35 System Manual 4 Mechanical Installation If the ESS is installed with its back against a movable frame structure, the mini- mum space behind its back can be reduced to 300mm. Installation of Multiple ESS figure 4-2 Space Required for ESS in One Row Maintenance Space Requirements Item...
  • Page 36 4 Mechanical Installation System Manual figure 4-3 Space Required for ESS in Two Rows Maintenance Space Requirements Item Maintenance tool- ing for non-PACK L1≥600mm, L2≥430mm, L3≥2500mm components PACK mainte- L1≥600mm, L2≥630mm, L3≥2000mm nance tooling If the ESS is installed with its back against a movable frame structure, the mini- mum space behind its back can be reduced to 300mm.
  • Page 37 System Manual 4 Mechanical Installation If the ESS is installed with its side against the wall and the height from its top to the ceiling is 0, it cannot operate at full power. Handle with Forklift You can move the ESS using a forklift if the ground on the installation site is flat. Forklift pockets are provided at the bottom of the ESS for the insertion of forklift forks.
  • Page 38 4 Mechanical Installation System Manual Hoisting 4.4.1 Precautions • Perform operation in strict accordance with the safe operation procedure of the crane in the whole process of hoisting. • No one is allowed to stay within 5m to 10m of the operating area. In particular, do not stand anywhere under the crane boom or the equipment that has been lifted up, to avoid personal injuries or death.
  • Page 39 System Manual 4 Mechanical Installation figure 4-5 Crane Operation 4.4.2 Hoisting Lift the equipment according to the following requirements: • The equipment should be lifted vertically. Do not drag the equipment along the ground, nor drag it along the top surface of the equipment underneath it. Do not push or pull the equipment along any surface.
  • Page 40 4 Mechanical Installation System Manual figure 4-6 ESS Hoisting *The figure shown here is for reference only. The real product may differ. ESS Fixing After moving the ESS to the target position, fix it in place. You can fix the equipment by weld- ing or using L-shaped angle steels.
  • Page 41 System Manual 4 Mechanical Installation figure 4-7 L-shaped angle steels Installation Tools Tools that may be used when installing the L-shaped angle steels are as follows: Name Source Not included in the scope of supply Marker Not included in the scope of supply Hammer drill Angle steel Included in the scope of delivery...
  • Page 42 Electrical Connection Precautions High voltage! Electric shock! • It is strictly forbidden to directly touch the live parts in the unprotected state! • Before installation, ensure that the all switches are off. Sand and moisture penetration may damage the electrical equipment in the system, or affect their operating performance! •...
  • Page 43 System Manual 5 Electrical Connection figure 5-1 Wiring Diagram table 5-1 Interface Description *Recommended cable specifications Name 3×95mm /copper wire AC output port 3×150mm /aluminum wire **EMS communication inter- 2×0.5mm shielded twisted-pair cable face (connection port 2) LC communication interface 2×0.5mm shielded twisted-pair cable (connection port 1)
  • Page 44 Operations related to the electrical connection must only be performed by qualified electrical engineers, all in compliance with the “Safety Precautions” specified in this manual. SUNGROW shall not be held liable for any personal injury or property damage arising from failure to follow the safety instructions.
  • Page 45 System Manual 5 Electrical Connection 5.3.2 Open Cabinet Door Open the cabinet door before wiring. figure 5-2 Open the Front Door Step Description Door locked Move the cover above the lock hole Insert the door key and turn it clockwise Rotate the handle clockwise to the position shown in the figure to open the front door 5.3.3 Prepare Cables...
  • Page 46 5 Electrical Connection System Manual Description Description Heat shrink tubing OT/DT terminal Hydraulic pliers Heat gun 5.3.4 Copper Wire Connection When copper cables are selected, the connection sequence of wiring parts is shown in the following figure. figure 5-3 Copper cable terminal connection sequence Name Name Copper bus bar...
  • Page 47 System Manual 5 Electrical Connection 5.3.5 Aluminum Wire Connection When the aluminum wires are selected, a copper-to-aluminum adapter terminal is needed as shown below: figure 5-4 Copper-to-aluminum adapter terminal connection Name Name Copper bus Spring washer copper-toaluminum Flat washer adapter terminal Bolt Bolt fastening should be firm and reliable, and the exposed wire buckle should not be less than 2 buckles.
  • Page 48 5 Electrical Connection System Manual figure 5-5 Cable Inlet Ground Connection Grounding must be completed by strictly following the applicable local standards and regulations. Overview Grounding can be made in the following two ways: welding a grounding flat steel, or con- necting a grounding cable.
  • Page 49 System Manual 5 Electrical Connection figure 5-6 ESS Grounding Diagram *The figure is for reference only and the actual product shall prevail. Grounding Cable Use a 70 mm –95 mm copper grounding cable to connect the target grounding point to the grounding point on the ESS properly and reliably (the grounding point is covered with protec- tive tape upon delivery, which should be removed before wiring).
  • Page 50 5 Electrical Connection System Manual AC Connection 5.5.1 Safety Precautions Accidental touching of live terminals can cause fatal electric shock! • Ensure that the AC/DC switches of the PCS are open, and that the wiring term- inals are dead. • Connecting to the power grid must be approved by the relevant department and comply with all power-related safety instructions and specifications.
  • Page 51 System Manual 5 Electrical Connection Step 6 Secure the OT terminals to the wiring holes with M12 bolts at a tightening torque of 40 N·m (for detailed wiring instructions, please refer to "5.3.4 Copper Wire Connection" "5.3.5 Aluminum Wire Connection"). Step 7 Pull the cables back slightly after wiring to ensure the cables are long enough.
  • Page 52 5 Electrical Connection System Manual *Recommended cable Description Mode Port specifications Auxiliary power Phase C supply L3 *These are recommended cable specifications. You may make adjustments based on your actual needs. Step 4 Complete the wiring by referring to the port marks on the cabinet and the above port defini- tions.
  • Page 53 System Manual 5 Electrical Connection 5.7.2 FFS/EMS/LC Communication CONN1/2/3 on the power distribution box are used for the power supply and communication wiring of FFS,LC and EMS. The positions of the FFS communication interface (CONN1), LC communication interface (CONN2) and EMS communication interface (CONN3) are as shown in the figure below. figure 5-9 Communication Interfaces Port Port Number...
  • Page 54 5 Electrical Connection System Manual Port Port Number CONN2-3/4、CONN2-5/6 PCS parallel communica- tion connection interface CONN2-7/8 LC controller "transformer cabinet lightning arrester failure" dry node input inter- face (this interface is not available without a transformer) CONN2-9/10 LC controller "transformer cabinet over temperature fault"...
  • Page 55 System Manual 5 Electrical Connection • Seal off the air inlet and outlet of the ESS cabinet, by filling the gap around them with fire-/water-proof materials. • Moisture may get in if the product is not properly sealed. • Rodents may get in if the product is not properly sealed. Lock the cabinet door Step 1 Mount back the protective cover for the wiring area, by completing the steps for removal (see "Open Cabinet Door") in reverse.
  • Page 56 The safety precautions in this manual do not cover all specifications to be fol- lowed, and all operations should be performed based on the site conditions. • SUNGROW shall not be liable for any loss arising from failure to follow the safety precautions in the manual. •...
  • Page 57 System Manual 6 Battery Connection • All connections must be carried out with distinctive guidance. Any guess and ambiguous attempts must be prohibited. • Key connections must be correct, reliable (without loosening) and in good contact, with- out short-circuits. • All the finished connections must be measured and confirmed one by one.
  • Page 58 6 Battery Connection System Manual Step 2 Install the fuse. Open the cabinet door, and remove the sponge separators that hold the fuse plugs. figure 6-2 Position of Fuse Step 3 Insert the plugs that come with the fuse into the PACK bases properly. figure 6-3 Insert Fuse Plugs into PACK Bases When the aviation plug is connected in place, you will hear a "click".
  • Page 59 System Manual 6 Battery Connection Step 4 Connect the power cables between the PCAKs. The positive connector of the power cable between the PACKs has been secured on the RACK, and the negative connector is fixed on the side bracket with the quick-connect clip and cable tie. When the aviation plug is connected in place, you will hear a "click".
  • Page 60 6 Battery Connection System Manual Step 5 Connect the power cable between the PACK and the PCS: Connect the BAT+ of Pack1# to the BAT+ of PCS; Connect the BAT- of Pack4# to the BAT- of PCS. figure 6-5 PACK Wiring Diagram When the aviation plug is connected in place, you will hear a "click".
  • Page 61 Powering on and Shutdown Powering on • The equipment can only be put into operation after confirmation by a profes- sional and approved by the local energy department. • For equipment that has a long shutdown time, inspect it thoroughly and care- fully and make sure all the indicators meet the relevant requirements before powering it on.
  • Page 62 7 Powering on and Shutdown System Manual Step 1 PCS: Set the DC-side load switch of the PCS to "ON". Make sure the emergency stop button on the cabinet is in the reset state. Step 2 Turn on the QF1 (main AC switch) on the panel to power the AC side of the system. Step 3 Turn on the Q1 (auxiliary AC switch) on the panel to power on the auxiliary power supply.
  • Page 63 Fire Suppression • An automatic fire suppression system is equipped inside the Turnkey Station. Do not flip the fire suppression switch unless an emergency occurs. General Rules Please comply with the fire laws and regulations of the country/region where the project is located.
  • Page 64 8 Fire Suppression System Manual figure 8-1 Fire Suppression Equipment Detection Alarm System The detection and alarm system can carry out advanced detection at the very early stage of fire, and minimize the possibility of fire. The detection and alarm system includes the flammable gas detector, the smoke detector, the heat detector and the alarm sounder.
  • Page 65 System Manual 8 Fire Suppression device. Each outdoor cabinet is provided with a fire extinguishing agent tank containing aerosol, a temperature sensor and a signal feedback device. When the temperature sensor detects that the temperature in the battery compartment reaches 95°C, the aerosol will be automatically released into the battery compartment to ex- tinguish the fire.
  • Page 66 Document QR Code LC200 User Manual If the problem persists or there are any other questions, please contact SUNGROW. It would be helpful if you could provide the below information: • Model and S/N of the ESS and its internal device;...
  • Page 67 • To avoid electric shock, do not perform any other maintenance operations be- yond this manual. • If necessary, contact SUNGROW customer service for maintenance. 10.2 Maintenance Item and Interval 10.2.1 First Grid Connection Inspection Item Inspection Method Check the following items. If any item does not meet the require- ments, take corrective measures immediately: •...
  • Page 68 10 Routine Maintenance System Manual 10.2.2 Once a Month Inspection Item Inspection Method • Check the cabinet for oxidation and rust. • Check the cabinet and its internal components for deformation and damage. • Check whether there are flammables on the top of the cabinet. •...
  • Page 69 System Manual 10 Routine Maintenance 10.2.3 Once Every Six Months Inspection Item Inspection Method • Check whether the emergency stop button can function properly. • Simulate a shutdown. Safety function • Check whether the warning signs and other marks on the ESS are all legible and free from dirt.
  • Page 70 10 Routine Maintenance System Manual Inspection Item Inspection Method • Check whether the cables are laid and arranged properly, and whether there is a short circuit or other abnormal symptoms. In case anything abnormal, take corrective measures immediately. • Check whether the cable inlet and outlet holes of the ESS cabinet are all sealed off properly.
  • Page 71 System Manual 10 Routine Maintenance Mainte- Inspection Method Item Content nance tools 1. The fan blade rotates smoothly without making abnormal noise; 2. There Check whether the fan blades can is no damage to the fan Screwdri- rotate properly and are free of da- blade.
  • Page 72 10 Routine Maintenance System Manual Case 3：Primer is damaged, and the base material is exposed. Maintenance Steps for Case 1: Material: • Cleaning cloth • Water • Alcohol or other non-corrosive detergent Graphics Description 1. Wet the cleaning cloth (or other scrub- bing tools) with water, and scrub the dirty parts on surface.
  • Page 73 System Manual 10 Routine Maintenance Graphics Description 1. Polish the paint surface with blistering or scratches with an abrasive paper for a smooth surface. 2. Wet the cleaning cloth with water or 97% alcohol, and scrub the damaged parts to re- move surface stains.
  • Page 74 10 Routine Maintenance System Manual Graphics Description 1. Polish the damaged parts with an abrasive paper to remove rust and other burrs for a smooth surface 2. Wet the cleaning cloth with water or 97% alcohol, and scrub the damaged parts to re- move surface stains and dust.
  • Page 75 System Manual 10 Routine Maintenance 10.4.2 Checking Door Locks and Hinges Check whether the door locks and hinges of the container can be used normally after clean- ing. Lubricate the door lock holes and hinges properly when necessary. 10.4.3 Checking Sealing Strips If the sealing strip is in good condition, it can effectively prevent water seepage inside the container.
  • Page 76 10 Routine Maintenance System Manual Maintenance performed once every two years Inspection item Inspection method Check the following items. In case of nonconformity, take corrective actions immediately: • Check the battery cluster and internal devices for da- mage or deformation. •...
  • Page 77 System Manual 10 Routine Maintenance Maintenance performed once a year Inspection item Inspection method Check the following items. In case of nonconformity, take corrective actions immediately: • Check whether there are flammable objects at the top of the battery cluster. •...
  • Page 78 In case of any doubt on operation and maintenance of this product, contact the Custo- mer Service Center of SUNGROW instead of operation without permission. 10.5.3 Maintenance Operating temperature: The working temperature should be kept between -30℃–50℃.
  • Page 79 System Manual 10 Routine Maintenance The RACK should not be charged or discharged with high magnifying power. The contin- uous charging and discharging current of a single rack should not exceed the rated current. When the energy storage system is not used in a long time, it should be charged once every six months, until its SOC is 30%–40%.
  • Page 80 1. There are obvious slotted screwdriver impurities in antifreeze; 5–6 years Coolant Note: Please contact Sungrow Cus- 2. Antifreeze is signifi- tomer Service to replace hardware cantly darker in color. facilities Normally coolant is not a health hazard, excessive exposure may cause irritation to the eyes, skin and breathing.
  • Page 81 System Manual 10 Routine Maintenance Disposal considerations Waste types Disposal measures Discharges are made in accordance with local regulations and Coolant are not disposed of haphazardly. Separate and recycle, and if it meets the relevant regulations, it Rubbish remnant can be burned or reused. Dispose of in accordance with all applicable local and national regulations.
  • Page 82 10 Routine Maintenance System Manual Contact method Measures Flush eyes with plenty of water for at least 15 minutes. Seek medical Eyes contact attention. If ingested, but conscious, water or milk to drink and actively seek medical help, do not induce vomiting unless instructed by healthcare Ingestion patients.
  • Page 83 System Manual 10 Routine Maintenance If you still find that the pressure value is not normal, it may be caused by damage to the pressure gauge or leakage of cylinders, etc., turn off the pressure gauge switch first and notify the equipment manufacturer in time, so that the manufac- turer can deal with it as soon as possible to ensure normal operation of the system.
  • Page 84 11 Appendix 11.1 Abbreviations Abbreviation Definition Battery Module (or PACK) Battery Cluster (or RACK) Battery Management Unit BCMU (CMU) Battery Cluster Management Unit (CMU for short) BSMU (SMU) Battery System Management Unit (SMU for short) Battery Management System Battery System Controller Battery Collection Panel.
  • Page 85 System Manual 11 Appendix 11.2 Technical Data ST225kWh-110kW-2h Product Model Battery Side Cell Type System Battery Configuration 256 S1P Rated Battery Capacity 229kWh Battery Voltage Range 691.2V–934.4V PCS Side Rated Output Power 110kW <3% (at rated power) Total Harmonic Distortion (THD) <0.5% (at rated power) DC Component Rated Grid Voltage...
  • Page 86 • The customer shall give SUNGROW a reasonable period to repair the faulty device. Exclusion of Liability In the following circumstances, SUNGROW has the right to refuse to honor the quality guarantee: • The free warranty period for the whole machine/components has expired.
  • Page 87 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. •...
  • Page 88 Sungrow Power Supply Co., Ltd. www.sungrowpower.com...
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