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Sungrow PowerTitan ST2752UX System Manual
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Sungrow PowerTitan ST2752UX System Manual

Sungrow PowerTitan ST2752UX System Manual

Battery energy storage system
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System Manual
Battery Energy Storage System
PowerTitan-ST2752UX
PowerTitan-
SEN-Ver22-202308
ST2752UX-SEN-Ver22-202308

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Summary of Contents for Sungrow PowerTitan ST2752UX

  • Page 1 System Manual Battery Energy Storage System PowerTitan-ST2752UX PowerTitan- ST2752UXBattery Energy Storage SystemSystem ManualST2752UX- SEN-Ver22-202308 ST2752UX-SEN-Ver22-202308...
  • 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 BESS. Target Group This manual is for operators of the power storage plant and qualified technical personnel. The BESS must and can only be installed by professional technicians who meet the following requirements: •...
  • 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. “NOTE” indicates additional information, emphasized contents or tips that may be helpful, e.g., to help you solve problems or save time.
  • Page 6 Explanation Marks 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. Abbreviations Complete designation Abbreviations Battery Energy Storage System BESS Energy Storage System Battery Connection Panel Battery Supply Panel Power Conversion System...
  • 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 Personal Protective Equipment................6 1.8 Product Disposal ....................7 2 Product Description ..................8...
  • Page 8 4 Mechanical Installation ..................27 4.1 Inspection Before Installation.................27 4.1.1 Deliverables Inspection ...............27 4.1.2 Product Inspection ................27 4.2 Installation Environment Requirements ............27 4.2.1 Installation Site Requirement ...............27 4.2.2 Foundation Requirements..............28 4.2.3 Installation Spacing Requirement ............29 4.3 Hoisting and Fixing ..................30 4.3.1 Lifting Precautions ................30 4.3.2 Lifting ....................32 4.3.3 Fixed Installation .................34 4.3.4 Film Removal..................36...
  • Page 9 7.2.2 Unplanned (Emergency) Shutdown ............56 8 Fire Suppression ....................57 8.1 General Rules ....................57 8.2 Fire Suppression Equipment .................57 8.3 Exhaust System ...................58 8.4 Water-based Fire Suppression System ............59 8.5 Aerosol Fire Suppression System ..............60 9 Troubleshooting ....................61 10 SOC Calibration Instructions ..............62 10.1 Calibration During System Operation ............63 11 Passive Balancing...
  • Page 11 Safety Precautions Personnel Requirements The hoisting, transportation, installation, wiring, operation, and maintenance of the BESS must be carried out by professional electricians in accordance with local regulations. The professional technician is required to meet the following requirements: • Know electronic, electrical wiring and mechanical expertise, and be familiar with electrical and mechanical schematics.
  • Page 12 1 Safety Precautions System Manual Electricity may still exist in the battery when the power supply of the BESS is disconnected. Wait 5 minutes to ensure the equipment is completely voltage-free before operating. All operations, such as hoisting, transportation, installation, wiring, operation, and maintenance must comply with the relevant codes and regulations of the region 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 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 System Manual 1 Safety Precautions ① Arc ratings can be for a single layer, such as an arc-rated shirt and pants or a coverall, or for an arc flash suit or a multi-layer system consisting of a combination of arc-rated shirt and pants, coverall, and arc flash suit. ②...
  • Page 18 Product Description Product Introduction PowerTitan is mainly used in large and medium-sized energy storage power plants. It adopts standard BESS design and modular design to realize the integration of energy storage system. Through liquid cooling method, it can better balance the system temperature.
  • Page 19 System Manual 2 Product Description figure 2-2 Appearance * The figure is for reference only. The product received may differ. Name LED indicator Emergency stop button Door lock Air inlet Grounding point Nameplate Air inlet for fire suppression system LED Indicator The LED indicators are located at the top of the product.
  • Page 20 2 Product Description System Manual Description Status A fault occurs (auxiliary circuit Steady on breaker does not trip) Auxiliary circuit breaker trips Emergency Stop Button In the case of an emergency, press the emergency stop button on the BESS, and the system will stop running immediately.
  • Page 21 System Manual 2 Product Description figure 2-5 Schematic diagram of ventilation *The figure is for reference only and the actual product shall prevail! Internal Design 2.3.1 Internal Equipment The main electrical equipment in the BESS is shown in the figure below. figure 2-6 BESS internal equipment * The figure is for reference only.
  • Page 22 2 Product Description System Manual Name 2.3.2 DC/DC Product Appearance The DC/DC is shown in the figure below. figure 2-7 Product appearance * The image shown here is for reference only. The actual product received may differ. Description Name To safely stop the power conversion between the DC/DC and DC Switch the battery.
  • Page 23 System Manual 2 Product Description table 2-2 LED indicator status description Status description Indicator Status Steady on DC/DC is in operation. Fast blinking Bluetooth is connected and there is data communication; (Interval: 0.2s) No fault is detected. Slow blinking The DC/DC is powered on, and is in the Blue emergency stop state, standby state or start- (Interval: 2s)
  • Page 24 2 Product Description System Manual Cell Parameter Value 2.5 V~ 3.65 V (Cell temperature T>0℃) Voltage range 2.0 V~ 3.65 V (Cell temperature T≤0℃) 2.3.3.2 LFP Battery Module The LFP battery module is mainly composed of cells in series. The dedicated cells are used for battery management.
  • Page 25 System Manual 2 Product Description Stacking method Modole ST2637UX ST2580UX ST2523UX ST2465UX ST2408UX...
  • Page 26 2 Product Description System Manual Stacking method Modole ST2351UX ST2293UX Note: ⅹ means no equipment, PACK means battery module, DC/DC means DC converter.
  • Page 27 In such cases, an overweight permit from the country or region of transport may be required. Crating Before Transport Since the BESS container is not a standard size, it is required to put the container into SUNGROW's special standard container frame before shipping. Tool Preparation...
  • Page 28 3 Transport and Storage System Manual Component source Name Ladder, at least 2 meters long Not included in the scope of supply. The corner fittings Included in the scope of supply. Screws(M16x30) Included in the scope of supply. L-shaped angle steels Included in the scope of supply.
  • Page 29 System Manual 3 Transport and Storage Step 2 Fix the bottom of BESS to the bottom of the transport frame using M16x30 bolts and L- shaped angle steel with a recommended torque of 119~140 N·m. Step 3 Fix the top of BESS to the top of the transport frame using M16x30 bolts and corner fittings with a recommended torque of 119~140 N·m.
  • Page 30 3 Transport and Storage System Manual Step 4 Use a crane to lift the BESS into the truck. Step 5 Secure the BESS to the truck. - - End...
  • Page 31 System Manual 3 Transport and Storage Requirements for Transportation All devices in the BESS have been installed and fixed before leaving the factory, and they can be hoisted and transported as a whole during transportation. In the whole process of loading, unloading, and transportation, the safe operation regulations of BESS in the country/region where the project is located must be observed! •...
  • Page 32 PowerTitan's frame boxes can be disposed of in the following ways after arriving at the destination port by sea. – Under a DDP agreement, SUNGROW would dispose of the frame box at the destination port. – Under a CIF or a FOB agreement, the customer would dispose of frame boxes.
  • Page 33 System Manual 3 Transport and Storage figure 3-2 Land transportation diagram After the BESS is transported to the project site, please remove the diagonal fasteners at the top four corners of the equipment and keep them properly. Unpacking on Arrival Tool Preparation Component source Name...
  • Page 34 3 Transport and Storage System Manual Step 1 Remove the corner fittings connecting the top of the BESS and the transport frame. Step 2 Remove the corner fittings connecting the bottom of the BESS and the transport frame. There is no need to remove the corner fittings from the BESS to prevent them from being lost during transportation.
  • Page 35 System Manual 3 Transport and Storage Step 3 Lift the BESS out of the transport frame. - - End Storage Requirements • To prevent possible condensation or its bottom from being soaked by rain water in the rainy season. The BESS should be stored on higher ground. •...
  • Page 36 The packing box cannot be tilted or turned upside down. Starting from the date of departure SUNGROW factory, the BESS with a storage period of more than 6 months under the above conditions are to be charged and discharged once to...
  • Page 37 • Check the BESS 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 BESS when it is complete and intact. Before installation, ensure that: •...
  • Page 38 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 ESS in dusty environments with a large amount of dust, smoke, or floc.
  • Page 39 4 Mechanical Installation • The container foundations are made according to the foundation plans provided by SUNGROW or confirmed by us, with a tolerance of ±5mm on the top surface of the foundation. • Raise the foundation to prevent the container base and the interior from rain erosion.
  • Page 40 4 Mechanical Installation System Manual figure 4-1 Installing a single device figure 4-2 Installing multiple devices Hoisting and Fixing 4.3.1 Lifting Precautions • In the process of lifting, it is necessary to operate in strict accordance with the safety operation rules of the crane. •...
  • Page 41 System Manual 4 Mechanical Installation • Select appropriate lifting machine according to the site conditions. It is recommended that the bearing capacity of the selected lifting machine shall ≥ 200,000kg. • The strength of the sling used should be able to bear the weight of the BESS. •...
  • Page 42 4 Mechanical Installation System Manual figure 4-4 Schematic diagram of crane operation of two cranes 4.3.2 Lifting Lift the BESS according to the following requirements: • The BESS should be lifted vertically. Never drag the container on the ground or on the top of the lower container, and never pull and push it on any surface.
  • Page 43 System Manual 4 Mechanical Installation figure 4-5 Lifted by two cranes...
  • Page 44 The lifting work shall be in accordance with the relevant standards and specifications of the country/region where the project is located. • SUNGROW shall not be held liable for any personal injury or property damage caused by violating relevant requirements or other safety precautions. 4.3.3 Fixed Installation The BESS shall be fixed after being transported to the installation position.
  • Page 45 System Manual 4 Mechanical Installation – Fix the front bottom of the BESS with the foundation. According to actual needs, the bottom can be fixed by welding or L-shaped angle steel. – Use the connectors in delivery to fix the back top of the two BESS. •...
  • Page 46 4 Mechanical Installation System Manual Name Source Marker pen User provided User provided Hammer drill M16 expansion bolt User provided Included in the scope of supply M16 screw Angle steel Included in the scope of supply Installation Method 4.3.4 Film Removal After fixing the BESS, remove the 3M film on the DCDC cabinet door, the cabinet door of the liquid cooling unit, the mesh of the top fans, the top mesh of the liquid cooling unit, the bottom mesh of the liquid cooling unit, and the mesh at the right side fire suppression air...
  • Page 47 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 48 5 Electrical Connection System Manual figure 5-1 Wiring diagram *The diagram only describe the on-site wiring, and the internal wiring is for reference only. table 5-1 Interface description Recommended cable Description specifications a1~a4 DC output port 240 mm Communication port CAT5e S/FTP AC auxiliary power port 16 mm...
  • Page 49 5 Electrical Connection Only qualified electricians can perform the electrical connection. Please comply with the requirements in “Safety Precautions” in this manual. SUNGROW shall not be held liable for any personal injury or property damage caused by ignoring these safety precautions.
  • Page 50 5 Electrical Connection System Manual 5.3.2 Opening the Container Door and Cabinet Door Step 1 Open the container door with the randomly equipped key. Step 2 Fix the container door. The double-end stud slides when the container door or cabinet door is opened. And when it slides into hole A, the limit rod is fixed.
  • Page 51 System Manual 5 Electrical Connection Step 5 Open the door of the BSP. - - End *The figure is for reference only and the actual product shall prevail. 5.3.3 Prepare Cables Before electrical connection, check and ensure that the cables are all intact and well-insulated.
  • Page 52 • 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 53 System Manual 5 Electrical Connection figure 5-2 Copper cable terminal connection sequence Name Name Copper bus bar Bolt Copper connection Flat washer terminal Spring washer • When fastening the product and terminals, tighten the fasteners at the specified torques using proper tools and leave marks accordingly. Otherwise, the product may be damaged, and such damages will not be covered by the warranty.
  • Page 54 5 Electrical Connection System Manual figure 5-3 Schematic diagram of bottom cable inlet and outlet (top view) * The figure is for reference only. The product received may differ. Ground Connection Ground the product strictly following local standards and regulations. •...
  • Page 55 System Manual 5 Electrical Connection figure 5-4 Diagram of the grounding flat steel *The figure is for reference only and the actual product shall prevail. Grounding Cable Use a grounding cables of 70mm ~ 95mm to ensure a reliable connection between the two grounding points and the grounding points of the BESS.
  • Page 56 5 Electrical Connection System Manual The grounding resistance shall be measured after the ground connection is finished, and the resistance value shall be no more than 4Ω. The specific grounding resistance shall comply with relevant national/local standards and regulations. DC Output Port Connection Overview The DC output port inside the BCP is shown in the following figure.
  • Page 57 System Manual 5 Electrical Connection Step 5 Pull the cable back slightly after wiring to ensure that the cable is long enough. - - End Auxiliary Power Supply Port Connection Overview The auxiliary power supply port inside the BSP is shown in the following figure. * The image shown here is for reference only.
  • Page 58 5 Electrical Connection System Manual Step 5 Pull the cable back slightly after wiring to ensure that the cable is long enough. * The image shown here is for reference only. The actual product received may differ. • Strictly follow the phase sequence to connect cables. - - End Ethernet Communication Port Connection Overview...
  • Page 59 System Manual 5 Electrical Connection Procedure Step 1 Lead the CAT-5e cable into the BSP wiring area through the inlet hole. Step 2 Connect the Ethernet port to the external device. - - End Post-wiring Operations Check the wiring thoroughly and carefully when all electrical connections have been completed.
  • Page 60 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 61 All the finished connections must be measured and confirmed one by one. • 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...
  • Page 62 6 Battery Connection System Manual figure 6-1 Tools Step 1 Wear insulating shoes and high-voltage gloves before connecting power cables. At this time, the power lines between the packs of the battery system are all disconnected, and only the power lines between the pack and the DCDC are connected. figure 6-2 The power lines between the Pack and the DCDC are connected Step 2 Before connecting the power line between the PACKs, disconnect the power line between the Pack and the DCDC, as shown in the figure below.
  • Page 63 System Manual 6 Battery Connection figure 6-4 Connect the power cable between the packs When the aviation plug is plugged tightly, it will make a "click" sound. Make sure the aviation plug is plugged in tightly! PACK A and PACK B are prohibited from replacing each other. Step 4 Connect the power connection line between the Pack and the DCDC：...
  • Page 64 Powering up and Shutdown Power-on Operation • The BESS can only be put into operation after confirmation by a professional and approved by the local power department. • For BESS with a long shutdown time, check the equipment thoroughly and carefully to ensure all indexes are acceptable before powering it on.
  • Page 65 System Manual 7 Powering up and Shutdown Step 5 Power on the BSP. Close the upstream power switch of the BSP. Close the DC load switch QS1 in the BSP. Close the main control switch of the 400Vac power QF1 (AC MAIN SWITCH). Close the power switch of the LCS Q1(LCS).
  • Page 66 Disconnect the main control switch of the 400Vac power QF1 (AC MAIN SWITCH). Disconnect the upstream power switch of the BSP. 10 Finish powering off the BSP. - - End 7.2.2 Unplanned (Emergency) Shutdown • Fire incident: Contact local fire department professionals. • Unplanned outage (shutdown due to faults): Contact SUNGROW.
  • Page 67 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 BESS cabinet has a water fire suppression system, an aerosol fire suppression system, an automatic fire alarm and linkage control system, a combustible gas detection and alarm system and an exhaust system.
  • Page 68 8 Fire Suppression System Manual Exhaust System When the detected concentration of combustible gas reaches 10% LEL, the combustible gas detector inside the BESS sends a signal to the station-level alarm host via the BSC external terminal for fire warning; meanwhile, the signal is transmitted to the EMS to shut down the BESS and enable the FACP to activate the exhaust system (turn on the air intake equipment and exhaust equipment).
  • Page 69 System Manual 8 Fire Suppression figure 8-1 Control logic of exhaust system Water-based Fire Suppression System BESS is equipped with sprinkler prefabricated pipe, with which the water system can start automatically or be started manually. If an automatic sprinkler water-based fire suppression system is required, subsequent construction is necessary.
  • Page 70 8 Fire Suppression System Manual Aerosol Fire Suppression System The BESS is equipped with a aerosol fire suppression system. Aerosol generators are automatic units which are thermally activated. The aerosol fire suppression system is automatically activated when the temperature inside the container is ≥ 170°C. figure 8-3 Control logic of aerosol fire suppression system...
  • Page 71 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 BESS and internal equipment •...
  • Page 72 “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 73 In order to avoid triggering the warranty expiration condition, when the “Cell Under-voltage Fault” or “Cell Over-voltage Fault” is triggered, the user must contact the local team of Sungrow within 24 hours and follow the requirements of Sungrow to carry out the next operation.
  • Page 74 10 SOC Calibration Instructions System Manual During operation, no additional calibration is required when the SOC reaches 1%~5% when discharging or 97%~100% when charging, and the resting time is ≥ 2h. • A calibration is recommended for major changes in operating conditions, such as from energy shifting to frequency regulation application.
  • Page 75 11 Passive Balancing Passive balancing generally discharges the cells with higher voltage in the battery cluster by means of resistance discharge, releasing power in the form of heat to achieve the purpose of overall cell balancing. Passive balancing does not need to be set manually and can be turned on automatically. Passive balancing triggered conditions •...
  • Page 76 11 Passive Balancing System Manual • End-user only need to concern if passive balancing finished before the capacity test (BOL and annual test).
  • Page 77 12.1 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 78 12 Routine Maintenance System Manual 12.2.1 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 79 System Manual 12 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 80 12 Routine Maintenance System Manual 12.2.2 Maintenance (Once a year) Item Check method • Check the area around and above the outdoor cabinet for any flammable materials. • Check the soldering points between the outdoor cabinet and the foundation steel plates for solidity and any signs of rust. •...
  • Page 81 System Manual 12 Routine Maintenance Item Check method • Check whether grounding connections are correct. The grounding resistance should not be greater than 4Ω. Grounding and • Check whether equipotential connections inside the energy equipotential storage system are correct. connections •...
  • Page 82 12 Routine Maintenance System Manual 12.3 Maintenance of Liquid Cooling System The following provides the recommended maintenance periods. The actual maintenance period shall be adjusted reasonably in consideration of the specific installation environment of the product. Factors like the power plant scale, the location, and the site environment can affect the maintenance period of the product.
  • Page 83 System Manual 12 Routine Maintenance 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 84 Please contact Sungrow Customer Service for maintenance service. Otherwise SUNGROW shall not provide any warranty or be held liable for any losses due to such negligence. Touching the PCB or other static sensitive components may cause damage to the device.
  • Page 85 System Manual 12 Routine Maintenance Check Maintenance Check method item Period System Check whether the air outlet and heat sink are Once per six cleaning blocked by dust and other objects. Clean the air outlet months to a year (- and the heat sink if necessary.
  • Page 86 12 Routine Maintenance System Manual Graphics Description 1. Wet the cleaning cloth (or other scrubbing tools) with water, and scrub the dirty parts on surface. 2. If the dirt cannot be cleaned with water, scrub with 97% alcohol till the surface is acceptable.
  • Page 87 System Manual 12 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 remove surface stains.
  • Page 88 12 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 remove surface stains and dust.
  • Page 89 “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 90 In order to avoid triggering the warranty expiration condition, when the “Cell Under-voltage Fault” or “Cell Over-voltage Fault” is triggered, the user must contact the local team of Sungrow within 24 hours and follow the requirements of Sungrow to carry out the next operation.
  • Page 91 System Manual 12 Routine Maintenance 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 92 12 Routine Maintenance System Manual 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 93 In case of any doubt on operation and maintenance of this product, contact the Customer Service Center of SUNGROW instead of operation without permission. 12.6.3 Maintenance PACK operating temperature: The working temperature should be kept between -30℃–...
  • Page 94 12 Routine Maintenance System Manual 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 95 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 96 12 Routine Maintenance System Manual 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 97 System Manual 12 Routine Maintenance 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 98 12 Routine Maintenance System Manual Step 2 Open and secure the cabinet door and use a vacuum cleaner to clean sand and dust from the gap between the DCDCs in the electrical compartment, as shown in the red box below. figure 12-2 Gaps between DCDCs * The figure is for reference only.
  • Page 99 System Manual 12 Routine Maintenance Step 1 Use an air pump nozzle to blow the ventilation mesh of the liquid-cooled unit compartment hatch to remove sand and dust from the mesh. figure 12-4 Liquid-cooled hatch ventilation mesh * The figure is for reference only. The product received may differ. Step 2 With the hatch open and secured, use a vacuum cleaner to clean the buildup of sand and dust from the front baffle of the liquid-cooled unit, as shown in the red box below.
  • Page 100 12 Routine Maintenance System Manual Step 3 Use a Phillips screwdriver to remove the front baffle of the liquid-cooled unit. figure 12-6 Removal of liquid-cooled unit front baffle * The figure is for reference only. The product received may differ. Step 4 Using a vacuum cleaner, reach the nozzle into the area underneath the liquid-cooled unit to suck up sand and dust from the baseboard.
  • Page 101 System Manual 12 Routine Maintenance - - End...
  • Page 102 13 Appendix 13.1 System Parameters table 13-1 ST2752UX/ST2695UX Parameter ST2752UX ST2695UX Battery Data Cell type Battery capacity (BOL) 2752 kWh 2695 kWh System output voltage 1160 ~ 1500 V 1160 ~ 1500 V range General Data Dimensions of battery 9340*2600*1730mm unit (W * H * D) Weight of battery unit 26,400 kg...
  • Page 103 System Manual 13 Appendix table 13-2 ST2637UX/ST2580UX Parameter ST2637UX ST2580UX Battery Data Cell type Battery capacity (BOL) 2637 kWh 2580 kWh System output voltage 1160 ~ 1500 V 1160 ~ 1500 V range General Data Dimensions of battery 9340*2600*1730mm unit (W * H * D) Weight of battery unit 25,600 kg 25,200 kg...
  • Page 104 13 Appendix System Manual Parameter ST2523UX ST2465UX General Data Dimensions of battery 9340*2600*1730mm unit (W * H * D) Weight of battery unit 24,800 kg 24,400 kg Degree of protection IP 54 Operating temperature -30 to 50℃ (> 45℃ derating) range Relative humidity 0 ~ 95 % (non-condensing)
  • Page 105 System Manual 13 Appendix Parameter ST2408UX ST2351UX Operating temperature -30 to 50℃ (> 45℃ derating) range Relative humidity 0 ~ 95 % (non-condensing) Max. working altitude 3000 m (> 3000 m derating) Cooling concept of Liquid cooling battery chamber Deluge sprinker heads (standard), Fused sprinkler heads Fire safety standard/ (optional),NFPA69 explosion prevention and ventillation IDLH Optional...
  • Page 106 After replacement, unqualified products shall be processed by SUNGROW. • 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:...
  • Page 107 The fault or damage is caused by installation, repairs, modification, or disassembly performed by a service provider or personnel not from SUNGROW. • The fault or damage is caused by the use of non-standard or non-SUNGROW components or software. •...
  • Page 108 Sungrow Power Supply Co., Ltd. www.sungrowpower.com...