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Sungrow PowerStack-ST1145kWh-250kW-4h-US User Manual
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Sungrow PowerStack-ST1145kWh-250kW-4h-US User Manual

Sungrow PowerStack-ST1145kWh-250kW-4h-US User Manual

Energy storage system
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User Manual
Energy Storage System
PowerStack-ST570kWh-250kW-2h-US/ST1145kWh-250kW-
4h-US
PowerStack-
ST570kWh-250kW-2h-US/
ST1145kWh-250kW-4h-USEnergy
1145kWh-250kW-US-SEN-Ver11-
202406M-D-000366
ST570_1145kWh-250kW-US-SEN-Ver11-202406

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Summary of Contents for Sungrow PowerStack-ST1145kWh-250kW-4h-US

  • Page 1 User Manual Energy Storage System PowerStack-ST570kWh-250kW-2h-US/ST1145kWh-250kW- 4h-US PowerStack- ST570kWh-250kW-2h-US/ ST1145kWh-250kW-4h-USEnergy Storage SystemUser ManualST570_ 1145kWh-250kW-US-SEN-Ver11- 202406M-D-000366 ST570_1145kWh-250kW-US-SEN-Ver11-202406...
  • 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 describes the transportation and storage, mechanical installation, electrical connection, power-on and power-off operation, troubleshooting, and maintenance of the ESS (Energy Storage System). Target Group This manual is for operators of the energy storage power plants and qualified technical personnel.
  • Page 5 Indicates a moderately hazardous situation which, if not avoided, will result in death or serious injury. 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.
  • Page 6 Explanation Marks There should be a medical center nearby. In case of contact with eyes, rinse the eyes immediately with running water or normal saline; and seek medical help in time. It is required to wear 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................5 1.5 Installation and Wiring..................5 1.6 Operation and Maintenance ................5 1.7 Product Disposal ....................6 2 Product Description ..................7 2.1 Product Introduction..................7...
  • Page 8 4.2.2 Foundation Requirements..............23 4.2.3 Installation Spacing Requirement ............24 4.3 Forklift Transport ..................29 4.4 Hoisting and Transport ..................31 4.4.1 Safety Precautions ................31 4.4.2 Hoisting....................31 4.5 Fixed Installation ..................33 5 Electrical Connection ..................35 5.1 Precautions....................35 5.2 Electrical Connection Overview ..............35 5.3 Preparation Before Wiring ................38 5.3.1 Preparing Installation Tools ..............38 5.3.2 Open the Door ..................38 5.3.3 Prepare Cables...................39...
  • Page 9 7.1 Power-on Operation..................62 7.1.1 Inspection Before Powering up.............62 7.1.2 Powering Up Steps ................62 7.2 Shutdown ....................63 7.2.1 Planned Powering Down..............63 7.2.2 Unplanned (Emergency) Shutdown ............64 8 Fire Suppression ....................65 8.1 General Rules ....................65 8.2 Fire Suppression Equipment .................65 8.3 Exhaust System ...................66 8.4 Water Fire Suppression System..............66 9 Troubleshooting ....................68...
  • Page 11 Safety Precautions Personnel Requirements The hoisting, transportation, installation, wiring, operation, and maintenance of the equipment must be carried out by qualified electrical technicians in accordance with local regulations. Qualified technicians must: • Have certain electrical wiring, electronic, and mechanical expertise, and be familiar with electrical and mechanical schematics.
  • Page 12 1 Safety Precautions User Manual • Electricity may still exist in the battery when the power supply of the equipment is disconnected. Wait 10 minutes to ensure the equipment is completely voltage-free before any operation. • All hoisting, transportation, installation, wiring, operation, and maintenance must be carried out complying with the relevant codes and regulations of the country where the project is located.
  • Page 13 “Total under voltage alarm”. End users must assign a high priority to above listed faults and alarms reported by the SUNGROW LC (Local Controller). When an alarm or fault is triggered, the user interface should prominently highlight these issues. Furthermore, end users should promptly contact SUNGROW for timely resolution to prevent battery warranty loss due to over-discharge or overcharge.
  • Page 14 The product is damaged due to the use of defective or deformed batteries. • Use the batteries provided by SUNGROW together with other batteries, including but not limited to batteries of other brands or batteries of different rated capacities. •...
  • Page 15 In the whole process of mechanical installation, the relevant standards and requirements of the project location must be strictly observed. Only equipment designated by SUNGROW can be used. Failure to use equipment designated by SUNGROW may cause damage to the protection function and injury to personnel.
  • Page 16 To avoid electric shock, do not perform any other maintenance operations beyond those described in this manual. If necessary, contact Sungrow Customer Service for maintenance. To ensure continuous fire protection, replacement of internal components should only be performed by professional personnel.
  • Page 17 Product Description Product Introduction The PowerStack energy storage system consists of a power converter unit and a battery container. The system is mainly applied in industrial and commercial scenarios. The power converter unit integrates SC60HV and system power distribution. The battery container integrates batteries, LCS (Liquid Cooling System) and FSS (Fire Suppression System).
  • Page 18 2 Product Description User Manual External Design 2.2.1 Cabinet Appearance The appearance of battery container is shown in the following figure: figure 2-2 Appearance of battery container Name LED indicator Emergency stop button Door lock Grounding point Air inlet Air inlet for fire suppression system Air outlet for fire suppression system * The figure is for reference only.
  • Page 19 User Manual 2 Product Description figure 2-3 Appearance of power converter unit Name LED indicator Emergency stop button Door lock Air inlet Grounding point Air outlet * The figure is for reference only. The product received may differ. The nameplate contains important parameter information related to the ESS, and shall be protected during transportation, installation, maintenance and troubleshooting.
  • Page 20 2 Product Description User Manual table 2-1 Indicator status Description Status The system works normally (- Steady on charge and discharge) 2S periodic slow blinking The system is normal, no (Breathing light) charging and discharging. A fault occurs (auxiliary circuit Steady on breaker does not trip) Auxiliary circuit breaker trips...
  • Page 21 User Manual 2 Product Description figure 2-5 Battery container dimensions diagram (door open) *The figure is for reference only and the actual product shall prevail! Dimensions of power converter unit The external dimensions of power converter unit are shown in the figure. figure 2-6 Dimensions of power converter unit...
  • Page 22 2 Product Description User Manual figure 2-7 Power converter unit dimensions diagram (door open) *The figure is for reference only and the actual product shall prevail! 2.2.3 Ventilation Design Ventilation design of battery container The battery container intakes air from the left side and expels it from the top, as shown below.
  • Page 23 User Manual 2 Product Description figure 2-9 Schematic diagram of ventilation of power converter unit *The figure is for reference only and the actual product shall prevail! Internal Design 2.3.1 Internal Equipment The system uses a combined design, combining the power converter unit and the battery container into one system.
  • Page 24 2 Product Description User Manual Name Rack S/G (Switch Gear) * The figure is for reference only. The product received may differ. The main electrical equipment in the power converter unit is shown in the figure below. Name Fuse Switch Network port SC60HVs * The figure is for reference only.
  • Page 25 User Manual 2 Product Description LFP Battery Module The LFP (Lithium Iron Phosphate) battery module is mainly composed of cells in series. The dedicated cells are used for battery management. Control commands are received by means of daisy chain communication, and the collected data is reported. table 2-3 LFP battery parameters 1 LFP battery module Parameter...
  • Page 26 2 Product Description User Manual Battery Cluster Stacking Method table 2-6 Battery cluster stacking method Stacking method Module ST500CP-BL-US ST570CP-BL-US Note: PACK means battery module, means 1P60S PACK, means 1P64S PACK, S/G means switch gear. 2.3.3 SC60HV Product Appearance The SC60HV is shown below.
  • Page 27 User Manual 2 Product Description figure 2-10 Product components description *Image shown here is for reference only. Actual product you receive may differ. Description Name HMI interface to indicate the present working state of LED indicator panel the device. Controlled forced-air cooling method. Ensures proper Air outlet ventilation.
  • Page 28 2 Product Description User Manual table 2-7 LED indicator description indicat- LED state Definition The device is connected to the grid and operating normally. Fast blink The Bluetooth communication is connected and there is data communication. (Period: 0.2s) No system fault occurs. Blue Slow flash The device is in standby or startup state (not...
  • 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 ESS can be transported by road and sea. The ESS is highly integrated and easy to hoist, which facilitates its transport.
  • Page 30 3 Transport and Storage User Manual • Remove all obstacles that exist or may exist on the way, such as tree branches, cables, etc. • The ESS should be transported and moved under good weather conditions. • Be sure to set up warning signs or warning area to prevent non-staff from entering the lifting area to avoid accidents.
  • Page 31 User Manual 3 Transport and Storage Starting from the date of departure SUNGROW factory, the battery container with a storage period of more than 6 months under the above conditions are to be charged and discharged once to bring the system SOC to 30%~40%.
  • Page 32 • Check the ESS and the internal equipment for any damage. If any problems are found or there is any question, please contact the forwarding company or SUNGROW. • Only install the ESS when it is complete and intact. Before installation, ensure that: •...
  • Page 33 If the requirements cannot be met due to geographical restrictions, use noise mitigation measures. For detailed solutions, consult with the designer or SUNGROW. • Avoid installing the battery container in dusty environments with a large amount of dust, smoke, or floc.
  • Page 34 4 Mechanical Installation User Manual • The cross-sectional area and height of the foundation should meet the requirements. • Construct corresponding drainage in conjunction with local geological conditions. • Built a cement foundation with sufficient cross-sectional area and height. The foundation height is determined by the construction party according to the site geology.
  • Page 35 User Manual 4 Mechanical Installation Single device figure 4-1 Recommended installation space for a single battery container If the rear side of the battery container is a movable frame, the minimum distance to the rear side can be reduced to 150 mm.
  • Page 36 4 Mechanical Installation User Manual figure 4-2 Recommended installation space for a single battery container (with battery pack maintenance tooling) If the rear side of the battery container is a movable frame, the minimum distance to the rear side can be reduced to 150 mm.
  • Page 37 User Manual 4 Mechanical Installation figure 4-3 Recommended installation space for a single power converter unit Single system figure 4-4 Recommended installation space for single system (battery container-power converter unit)
  • Page 38 4 Mechanical Installation User Manual figure 4-5 Recommended installation space for single system (battery container-power converter unit) (with battery pack maintenance tooling) figure 4-6 Recommended installation space for single system (battery container*2-power converter unit)
  • Page 39 Installing the cabinet outdoors is recommended, as per the general plant design standards. • For cabinets installed indoors due to layout constraints, SUNGROW specifies indoor arrangement requirements from the perspective of product design and maintenance only. The owner/EPC shall consider plant-level requirements in these cases.
  • Page 40 4 Mechanical Installation User Manual If a forklift is used, the following requirements should be met: • The forklift should be equipped with sufficient load capacity. • The length of the forklift feet should meet the requirements of the device. The forklift feet should be inserted into the fork pockets at the bottom of the workstation (for the location of the fork pockets, see the figure below).
  • Page 41 User Manual 4 Mechanical Installation The fork pockets of the battery container and power converter unit are exposed before delivery. It is recommended to seal the pockets with the sealing plates provided after the on-site installation is completed. Hoisting and Transport 4.4.1 Safety Precautions •...
  • Page 42 4 Mechanical Installation User Manual • After the devices are in place, they should be put down gently and steadily. It is strictly forbidden to place the devices in a vertical place by shaking the lifting tools. • The place where the devices are placed should be solid and flat, with good drainage, without obstacles or protrusions.
  • Page 43 User Manual 4 Mechanical Installation figure 4-10 Power converter unit lifting diagram *This picture is for reference only, please refer to the actual product received! Shackle requirements Specifications Model Bowed American Standard G209 1 1/4"(in) shackle. Load capacity 12t and above. Fixed Installation Hoist the container to the intended location and prepare to weld it.
  • Page 44 4 Mechanical Installation User Manual figure 4-11 Fixed position diagram Installation Tools Preparation When installing L-shaped angle steel, the tools that may be used are as follows: Name Parts source Marker pen Beyond the scope of delivery Drill Beyond the scope of delivery L-shaped angle steel In the scope of delivery M16 expansion bolt...
  • Page 45 Electrical Connection Precautions High voltage! Electric shock! • It is strictly forbidden to directly touch the live parts in the unprotected state! • Ensure that the AC and DC sides are voltage-free before installation. • Do not place the energy storage system on a flammable surface. Sand and moisture penetration may damage the electrical equipment in the container, or affect their operating performance! •...
  • Page 46 5 Electrical Connection User Manual figure 5-1 Battery container-power converter unit wiring diagram figure 5-2 Battery container*2-power converter unit wiring diagram *The figure only describes the on-site wiring principle, and the internal wiring is for reference only. table 5-1 Wiring instructions Recommended specification Item Power converter unit AC side to Grid...
  • Page 47 User Manual 5 Electrical Connection Recommended specification Item Battery DC side to power converter unit 500 kcmil DC side Auxiliary power supply interface of 10 AWG battery container DC24V power supply interface 14 AWG Battery container/power converter unit — grounding EMS power supply interface 14 AWG EMS cabinet grounding...
  • Page 48 5 Electrical Connection User Manual • The installation design of the battery container and power converter unit must comply with the relevant standards or regulations of the country/region where the project is located. • If the installation is not carried out in accordance with the installation design requirements given in this manual, which causes the battery container and power converter unit or system failure, it will not be covered by the warranty.
  • Page 49 User Manual 5 Electrical Connection figure 5-3 Steps of opening the door Step Description Locked state Move upward the cover over the lock hole Insert the door key and turn it clockwise Rotate the handle counterclockwise to the position shown in the figure to open the front door.
  • Page 50 • Select communication cables equipped with corresponding shielding protection features according to the requirements of SUNGROW. • Secure the power cables and the communication cables separately. Ensure a minimum space of 10cm between the lines of strong and weak electricity to avoid electromagnetic interference.
  • Page 51 User Manual 5 Electrical Connection figure 5-4 Copper cable terminal connection sequence Name Name Copper bus bar Spring washer Copper connection Flat washer terminal Bolt Bolt fastening should be firm and reliable, and the exposed wire buckle should not be less than 2 buckles. 5.3.5 Aluminum Wire Connection When the aluminum wires are selected, a copper-to-aluminum adapter terminal is needed as shown below:...
  • Page 52 5 Electrical Connection User Manual Bolt fastening should be firm and reliable, and the exposed wire buckle should not be less than 2 buckles. 5.3.6 Cable Entry Design The cables connecting the outdoor cabinet and external equipment can enter the inside from the bottom cable entry or the side cable entry of the outdoor cabinet.
  • Page 53 User Manual 5 Electrical Connection Ground Connection Ground the product strictly following local standards and regulations. • Before grounding, it is necessary to clean the periphery of the threaded port of the grounding point and the surface of the grounding point to a clean state, so as not to have an impact on the grounding performance.
  • Page 54 5 Electrical Connection User Manual figure 5-9 Power converter unit grounding diagram *The figure is for reference only and the actual product shall prevail. Grounding Cable Use a grounding cables of 70 mm ~ 95 mm to ensure a reliable connection between the grounding points and the grounding points of the ESS.
  • Page 55 User Manual 5 Electrical Connection DC Cable Connection 5.5.1 Safety Precautions Check the following items before cable connections. • Measure the open circuit voltage on the battery side to ensure that the open circuit voltage does not exceed the maximum DC voltage of the downstream power converter unit.
  • Page 56 5 Electrical Connection User Manual 5.5.2 Overview of the Wiring Area figure 5-11 Single system wiring overview(battery container-power converter unit) figure 5-12 Single system wiring overview(battery container*2-power converter unit) 5.5.3 Battery Container Connection Steps Proceed as follows to connect the DC cables: Step 1 Make sure the upstream and downstream switches are disconnected.
  • Page 57 User Manual 5 Electrical Connection Step 3 Make sure that the DC cable connection sequence is correct. figure 5-13 Battery container DC wiring area *The figure is for reference only and the actual product shall prevail. Step 4 Strip the protective layer of the cable to expose the copper core of the wire with strippers. Step 5 Crimp with DT terminal, refer to"5.3.3 Prepare Cables".
  • Page 58 5 Electrical Connection User Manual Step 3 Make sure that the DC cable connection sequence is correct. figure 5-14 Power converter unit DC wiring area *The figure is for reference only and the actual product shall prevail. Step 4 Strip the protective layer of the cable to expose the copper core of the wire with strippers. Step 5 Crimp with DT terminal, refer to "5.3.3 Prepare Cables"。...
  • Page 59 User Manual 5 Electrical Connection • When connecting to the AC grid, disconnect the upstream AC side circuit breaker to ensure that there is no voltage at the contact terminals. • Connect to the grid only if approved by the utility grid and all relevant safety instructions are followed.
  • Page 60 5 Electrical Connection User Manual Step 7 Pull the cable back slightly after wiring to ensure that the cable is long enough. figure 5-16 Phase sequence *The figure is for reference only and the actual product shall prevail. • Strictly follow the phase sequence to connect cables. - - End Power Converter Unit Auxiliary Power Supply Connection Power supply mode setting...
  • Page 61 User Manual 5 Electrical Connection *Recommended Description Mode Mark specification Connect external power XK1–3 supply C1 phase XK2–1 Connected to XK1-1 Internal power XK2–2 Connected to XK1-2 8 AWG supply XK2–3 Connected to XK1-3 *The noted cable specifications are recommended values. It can be adjusted according to actual needs.
  • Page 62 5 Electrical Connection User Manual *Recommended Description Cabinet Mark specification **Connect to AUX POWER terminal XK5-1 L1 phase of 2# battery container **Connect to AUX POWER terminal XK5-2 L2 phase of 2# battery container 4 mm **Connect to AUX POWER terminal XK5-3 L3 phase of 2# battery container **Connect to AUX POWER terminal...
  • Page 63 User Manual 5 Electrical Connection Step 4 Wiring according to the port identification and definition. Tighten with a screwdriver with a torque of 0.7±0.1 N·m. - - End The power cable drawn from the power converter unit is connected to the EMS cabinet to supply 24Vdc power to the EMS.
  • Page 64 5 Electrical Connection User Manual figure 5-17 Communication interface table 5-6 Interface description Interface Interface Description location name 1# battery NET2 Connect to power converter unit NET2 container *2# battery NET2 Connect to power converter unit NET3 container NET1 Connect to client EMS Power NET2 Connect to 1# battery container NET2...
  • Page 65 User Manual 5 Electrical Connection figure 5-18 UPS *This picture is for reference only, please refer to the actual product received! The UPS must be charged when the battery container stops operating for 3 to 6 months. If the time expires, the UPS will be damaged. 5.12 Post-wiring Operations Check the wiring thoroughly and carefully when all electrical connections have been completed.
  • Page 66 The safety precautions in this manual do not cover all specifications to be followed, 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 67 All connections must not be in contact with the casing or other components or shortcircuited. • If there are other uncertain factors, please consult the after-sales technicians of SUNGROW before any operation. Cable Connection Tool preparation figure 6-1 Installation tools Step 1 Wear insulating shoes and high-voltage gloves before connecting power cables.
  • Page 68 6 Battery Connection User Manual Step 2 Install the fuse. Open the container door, there are two sets of mounting holes reserved on the door frames of the battery cabinet, and use M6 hexagonal Phillips screws to fix the fuses on the mounting holes.
  • Page 69 User Manual 6 Battery Connection Step 3 Loosen the bracket fixing bolts. figure 6-4 Bracket fixing bolts Step 4 Correctly insert the aviation plug that comes with the fuse into the battery base. figure 6-5 Insert the fuse into the battery base When the aviation plug is plugged tightly, it will make a "click"...
  • Page 70 6 Battery Connection User Manual Step 6 Connect the power cable between the packs. The positive pole of the power cable between packs has been installed on the battery cluster, and the negative pole is fixed on the side bracket through the quick installation clip and the cable tie. Take 1# Rack as an example: When the aviation plug is plugged tightly, it will make a "click"...
  • Page 71 User Manual 6 Battery Connection Step 7 Connect the power cable between the Pack and the switch gear. Take 1# Rack as an example: Connect the BAT- of Pack1# to the BAT- of the switch gear. Connect BAT+ of Pack5# to BAT+ of the switch gear. figure 6-7 Battery connection diagram When the aviation plug is plugged tightly, it will make a "click"...
  • Page 72 Powering up and Shutdown Power-on Operation • The ESS can only be put into operation after confirmation by a professional and approved by the local power department. • For ESS with a long shutdown time, check the equipment thoroughly and carefully to ensure all indexes are acceptable before powering it on.
  • Page 73 User Manual 7 Powering up and Shutdown Step 2 Power up the power converter unit. Close the AC main circuit breaker QF1(AC MAIN SWITCH). The AC side of the power converter unit is powered up. Close the auxiliary power switch Q1(AUX POWER). Close the power switch of the battery container 1# Q2(battery container 1#).
  • Page 74 Rotate the handle of load switches of each power converter unit to "OFF". Step 5 Test the electricity after the system discharges completely. - - End 7.2.2 Unplanned (Emergency) Shutdown • Fire incident: Contact local fire department professionals. • Unplanned outage (shutdown due to faults): Contact SUNGROW.
  • Page 75 Fire Suppression General Rules Please comply with the fire laws and regulations of the country/region where the project is located. Perform regular inspection and maintenance on the fire suppression system regularly to ensure it can function properly. Fire Suppression Equipment The battery container has a water fire suppression system that can effectively extinguish the fire.
  • Page 76 8 Fire Suppression User Manual figure 8-1 Fire suppression equipment Exhaust System When the concentration of combustible gas is detected to reach 10% LEL (Lower Explosive Limit) , the combustible gas detector in the battery container sends a signal to the station- level alarm host for fire warning through the BSC (Battery System Controller) external terminal, while the signal is transmitted to the EMS to shut down the battery container and turn on the exhaust system (start the air intake equipment and exhaust equipment).
  • Page 77 User Manual 8 Fire Suppression suppression system is required, subsequent construction is necessary. Water supply pipes and equipment outside the battery container need to be connected to the battery container sprinkler connections, please decide according to the actual project. The sprinkler system adopts upright nozzles to ensure that the water can be sprayed to all areas in the cabinet.
  • Page 78 QR code LC200 User Manual If you still cannot solve the problem or still have questions with the help of the manual, please contact SUNGROW. It is recommended to provide the following information synchronously after powering on again: • Models and serial numbers of the ESS and internal equipment •...
  • Page 79 10.1 Precautions Before Maintenance • Do not open the door to maintain the device in rainy, humid or windy days. SUNGROW shall not be held liable for any damage caused by violation of the warning. • Avoid opening the container door when the humidity is high in rain, snow or fog, and make sure that the seals around the container door do not curl when the door is closed.
  • Page 80 10 Routine Maintenance User Manual 10.2.1 Maintenance (Every two years) Item Check method • Check equipment inside the outdoor cabinet for any damage or deformation. • Check for any abnormal noises during the operation of the internal equipment. System status •...
  • Page 81 User Manual 10 Routine Maintenance Item Check method • Check whether the cable layout complies with standards and are free from problems such as short circuits. If any anomalies are detected, correct them immediately. • Check whether all incoming and outgoing cable holes of the outdoor cabinet are well sealed.
  • Page 82 10 Routine Maintenance User Manual 10.2.3 Maintenance (Every half a year to once a year) Item Check method • Clean the foundation (with a broom/vacuum cleaner). System status • Check the meshes of the outdoor cabinet for dust and grime, and and cleanliness replace air filter meshes if necessary.
  • Page 83 User Manual 10 Routine Maintenance Item Check method • Check if fan blades rotate normally and are undamaged; if rotation fails or blades are damaged, replace the fan. • Check if the dirt and blockage area on the air inlet for water pump cooling exceeds 5%.
  • Page 84 10 Routine Maintenance User Manual Item Content Check method Maintenan- ce tools Check whether the fan blades 1. The fan blade rotates Screwdriver cannot rotate or are damaged. If smoothly without with long so, replace the fan. abnormal noise; handle 2.
  • Page 85 User Manual 10 Routine Maintenance Check the container appearance: Case 1：Dirt on surface caused by water spots and dusts can be cleaned. Case 2：Surface dirt and damaged finish, which cannot be cleaned. Case 3：Primer is damaged, and the base material is exposed. Maintenance Steps for Case 1: Material: •...
  • Page 86 10 Routine Maintenance User Manual 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 remove surface stains.
  • Page 87 User Manual 10 Routine Maintenance 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 remove surface stains and dust.
  • Page 88 “Total under voltage alarm”. End users must assign a high priority to above listed faults and alarms reported by the SUNGROW local controller. When an alarm or fault is triggered, the user interface should prominently highlight these issues. Furthermore, end users should promptly contact SUNGROW for timely resolution to prevent battery warranty loss due to over-discharge or overcharge.
  • Page 89 EMS charging instruction. When the EMS issues a discharging instruction, the LC controller will respond according to the specific system SOC value. SUNGROW will enable this function by default when the device is shipped from the factory, In order to minimize the risk of under-voltage of the battery that may void the warranty, SUNGROW recommends that users do not turn off the “Active power up”...
  • Page 90 10 Routine Maintenance User 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 damage or deformation. • Check the internal devices for abnormal noise during operation.
  • Page 91 User 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 92 In case of any doubt on operation and maintenance of this product, contact the Customer Service Center of SUNGROW instead of operation without permission. 10.5.3 Maintenance PACK operating temperature: The working temperature should be kept between -30℃–...
  • Page 93 User Manual 10 Routine Maintenance The RACK should not be charged or discharged with high magnifying power. The continuous 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 94 Water pump, hose, hose clamp, impurities in antifreeze; slotted screwdriver 5–6 years Coolant 2. Antifreeze is Note: Please contact Sungrow significantly darker in Customer Service to replace color. hardware facilities Normally coolant is not a health hazard, excessive exposure may cause irritation to the eyes, skin and breathing.
  • Page 95 User 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 96 10 Routine Maintenance User 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 97 11 Appendix 11.1 System Parameters table 11-1 ST535kWh-250kW-2h-US/ST1070kWh-250kW-4h-US ST535kWh-250kW-2h- ST1070kWh-250kW-4h- Type designation Battery container data Cell type System battery configuration 300S2P 300S2P*2 Battery capacity (BOL) at DC 537 kWh 537 kWh*2 side System output voltage range 810 V ~ 1095 V Dimensions of battery unit (W * 2180 mm * 2450 mm * 1730 mm H * D)
  • Page 98 11 Appendix User Manual ST535kWh-250kW-2h- ST1070kWh-250kW-4h- Type designation Grid voltage range 422.4 V ~ 528 V Nominal grid frequency 60 Hz Nominal grid frequency range 55~65 Hz Dimensions(W*H*D) 1800 mm * 2450 mm * 1230 mm Weight 1600 kg Degree of protection IP 54 Allowable relative humidity 0 ~ 95 % (non-condensing)
  • Page 99 User Manual 11 Appendix ST570kWh-250kW-2h- ST1145kWh-250kW-4h- Type designation Combustible gas detection and ventilation system, Fire safety equipment Water-based fire suppression IEC 62619,IEC 63056,IEC 62040,IEC 62477,UN 38.3, Compliance UL 9540,UL 9540A Power converter unit data Nominal AC power 250 kVA@45℃ <3%(at nominal power) Max.THD of current DC component <0.5% of nominal current...
  • Page 100 11 Appendix User Manual Complete designation Abbreviations Cluster Management Unit Energy Storage System Energy Management System Fire Suppression System Liquid Cooling System Local Controller Lithium Iron Phosphate Lower Explosive Limit Printed Circuit Board Personal Protective Equipment State Of Charge Switch Gear *Unless otherwise specified, devices in this manual are referred to as the abbreviations above.
  • Page 101 • 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 102 11 Appendix User Manual • Fault code/name • Brief description of the problem For detailed contact information, please visit: https://en.SUNGROWpower.com/contactUS...
  • Page 103 Sungrow Power Supply Co., Ltd. www.sungrowpower.com...

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