Sungrow PowerStack-ST535kWh-250kW-2h System Manual
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Sungrow PowerStack-ST535kWh-250kW-2h System Manual

Sungrow PowerStack-ST535kWh-250kW-2h System Manual

Energy storage system
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System Manual
Energy Storage System
PowerStack-ST535kWh-250kW-2h/ST1070kWh-250kW-4h
PowerStack-
250kW-4hEnergy Storage
SystemSystem ManualST535_
1070kWh-250kW-SEN-Ver12-
202308M-D-000365
ST535_1070kWh-250kW-SEN-Ver12-202308

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Summary of Contents for Sungrow PowerStack-ST535kWh-250kW-2h

  • Page 1 System Manual Energy Storage System PowerStack-ST535kWh-250kW-2h/ST1070kWh-250kW-4h PowerStack- ST535kWh-250kW-2h/ST1070kWh- 250kW-4hEnergy Storage SystemSystem ManualST535_ 1070kWh-250kW-SEN-Ver12- 202308M-D-000365 ST535_1070kWh-250kW-SEN-Ver12-202308...

  • Page 3: All Rights Reserved

    Software Licenses • It is prohibited to use data contained in firmware or software developed by SUNGROW, in part or in full, for commercial purposes by any means. • It is prohibited to perform reverse engineering, cracking, or any other operations that...

  • Page 4: About This Manual

    Contents of the manual may be updated and amended continuously, so it is possible that there may be some errors or slight inconsistency with the actual product. Please refer to the actual product purchased, and the latest manual can be obtained from support.sungrow- power.com or sales channels.
  • 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/Battery Out- BESS door Cabinet/ST500CP-BL Power Conversion System/AC Outdoor Cabi- net/SC50HV*5...

  • Page 7: Table Of Contents

    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....................32 4.5 Fixed Installation ..................34 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 7.1.1 Inspection Before Powering up.............61 7.1.2 Powering Up Steps ................61 7.2 Shutdown ....................62 7.2.1 Planned Powering Down..............62 7.2.2 Unplanned (Emergency) Shutdown ............63 8 Fire Suppression ....................64 8.1 General Rules ....................64 8.2 Fire Suppression Equipment .................64 8.3 Exhaust System ...................65 8.4 Aerosol Fire Suppression System ..............66 9 Troubleshooting ....................67 10 Routine Maintenance...

  • Page 11: Safety Precautions

    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: Battery Safety

    1 Safety Precautions System 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 volt- age-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 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: Hoisting And Transportation

    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 16: Product Disposal

    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 Description Product Introduction The integrated energy storage system consists of an energy storage converter system and an energy storage battery system. The system is mainly applied in industrial and commercial scenarios. The energy storage converter system integrates PCS and system power distribu- tion.

  • Page 18: External Design

    2 Product Description System Manual External Design 2.2.1 Cabinet Appearance The appearance of BESS is shown in the following figure: figure 2-2 Appearance of BESS 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 System Manual 2 Product Description figure 2-3 Appearance of PCS 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 trouble- shooting.

  • Page 20: Mechanical Parameters

    2 Product Description System 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 charg- (Breathing light) ing and discharging. A fault occurs (auxiliary circuit Steady on breaker does not trip) Auxiliary circuit breaker trips...
  • Page 21 System Manual 2 Product Description figure 2-5 BESS dimensions diagram (door open) *The figure is for reference only and the actual product shall prevail! Dimensions of PCS The external dimensions of PCS are shown in the figure. figure 2-6 Dimensions of PCS...

  • Page 22: Ventilation Design

    2 Product Description System Manual figure 2-7 PCS dimensions diagram (door open) *The figure is for reference only and the actual product shall prevail! 2.2.3 Ventilation Design Ventilation design of BESS The BESS intakes air from the left side and expels it from the top, as shown below. figure 2-8 Schematic diagram of ventilation of BESS *The figure is for reference only and the actual product shall prevail! Ventilation design of PCS...

  • Page 23: Internal Design

    System Manual 2 Product Description figure 2-9 Schematic diagram of ventilation of PCS *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 energy storage converter system and the energy storage battery system into one system.
  • Page 24 2 Product Description System Manual figure 2-10 BESS Internal Equipment Name Rack Switch gear * The figure is for reference only. The product received may differ. The main electrical equipment in the PCS is shown in the figure below. figure 2-11 PCS Internal Equipment Name Fuse Switch...

  • Page 25: Battery Introduction

    System Manual 2 Product Description * The figure is for reference only. The product received may differ. 2.3.2 Battery Introduction Cell table 2-2 Cell parameters Cell Parameter Value Size (thickness * 71.7 ± 0.8 mm * 207.2 ± 0.8 mm * height * width) 173.9 ±...
  • Page 26 2 Product Description System Manual LFP battery module Parameter Value Key components 64 cells, 1 BMU and 1 fuse Weight ≤400kg Ingress protection IP65 Battery Cluster The battery cluster is composed of multiple PACKS in series, etc. Battery cluster parameters are shown as follows: table 2-5 Battery cluster parameters Battery cluster Short...

  • Page 27: Sc50Hv

    System Manual 2 Product Description 2.3.3 SC50HV Product Appearance The SC50HV is shown below. figure 2-12 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.
  • Page 28 2 Product Description System Manual LED Indicator Panel As an HMI, the LED indicator panel on the device front panel indicates the present working state of the device. table 2-7 LED indicator description LED in- LED state Definition dicator The device is connected to the grid and operat- ing normally.

  • Page 29: Transport And Storage

    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: Storage Requirements

    3 Transport and Storage System 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 lift- ing area to avoid accidents.
  • Page 31 System Manual 3 Transport and Storage 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 bring the system SOC to 30%~40%.

  • Page 32: Mechanical Installation

    • 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: Foundation Requirements

    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 34: Installation Spacing Requirement

    4 Mechanical Installation System Manual • 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 System Manual 4 Mechanical Installation Single device figure 4-1 Recommended installation space for a single BESS If the rear side of the BESS is a movable frame, the minimum distance to the rear side can be reduced to 150 mm.
  • Page 36 4 Mechanical Installation System Manual figure 4-2 Recommended installation space for a single BESS (with battery pack maintenance tooling) If the rear side of the BESS is a movable frame, the minimum distance to the rear side can be reduced to 150 mm.
  • Page 37 System Manual 4 Mechanical Installation figure 4-3 Recommended installation space for a single PCS Single system figure 4-4 Recommended installation space for single system (BESS-PCS)
  • Page 38 4 Mechanical Installation System Manual figure 4-5 Recommended installation space for single system (BESS-PCS) (with battery pack maintenance tooling) figure 4-6 Recommended installation space for single system (BESS*2-PCS)

  • Page 39: Forklift Transport

    Installing the cabinet outdoors is recommended, as per the general plant de- sign 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 System Manual 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). The depth of the forklift feet inserted into the pockets should be the depth of the pockets. •...

  • Page 41: Hoisting And Transport

    System Manual 4 Mechanical Installation Hoisting and Transport 4.4.1 Safety Precautions • Observe the safety operating rules of the crane at all times. • Standing within 5 to 10 meters of the hoisting areas is strictly forbidden! Any- body standing under the boom or station is strictly forbidden in the whole hoist- ing process.

  • Page 42: Hoisting

    4 Mechanical Installation System Manual figure 4-9 Schematic diagram of crane operation 4.4.2 Hoisting In the process of lifting the devices, each operation link should be carried out according to the following requirements: • The devices should be lifted vertically, and no dragging on the ground or the top of the lower cabinet should occur when lifting, and the devices should not be dragged on any surface.
  • Page 43 System Manual 4 Mechanical Installation figure 4-10 BESS lifting diagram *This picture is for reference only, please refer to the actual product received! figure 4-11 PCS lifting diagram *This picture is for reference only, please refer to the actual product received! Shackle requirements Specifications Model...

  • Page 44: Fixed Installation

    4 Mechanical Installation System Manual Fixed Installation Hoist the container to the intended location and prepare to weld it. Secure the container to the foundation by welding or with the L-shaped angle steels. Fixed by Welding Secure the bottom of the container to the foundation by welding. Take proper measures to prevent the welding point from corrosion after welding.

  • Page 45: Electrical Connection

    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 46 5 Electrical Connection System Manual figure 5-1 BESS-PCS wiring diagram figure 5-2 BESS*2-PCS 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 PCS AC side to grid 240 mm Auxiliary power supply internal power 6 mm...
  • Page 47 System Manual 5 Electrical Connection Recommended specification Item Battery DC side to PCS DC side 240 mm Auxiliary power supply interface of bat- 4 mm tery cabinet DC24V power supply interface 2.5 mm BESS/PCS cabinet grounding EMS power supply interface 2.5 mm EMS cabinet grounding 1# BESS ethernet wiring...

  • Page 48: Preparation Before Wiring

    5 Electrical Connection System Manual • The installation design of the BESS and PCS 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 re- quirements given in this manual, which causes the BESS and PCS or system failure, it will not be covered by the warranty.

  • Page 49: Prepare Cables

    System 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 clockwise to the position shown in the figure to open the front door.

  • Page 50: Copper Wire Connection

    • 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: Aluminum Wire Connection

    System 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: Cable Entry Design

    5 Electrical Connection System 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: Ground Connection

    System 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 System Manual figure 5-9 PCS 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: Dc Cable Connection

    System 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 volt- age does not exceed the maximum DC voltage of the downstream PCS. •...

  • Page 56: Overview Of The Wiring Area

    5 Electrical Connection System Manual 5.5.2 Overview of the Wiring Area figure 5-11 Single system wiring overview(BESS-PCS) figure 5-12 Single system wiring overview(BESS*2-PCS) 5.5.3 BESS Connection Steps Proceed as follows to connect the DC cables: Step 1 Make sure the upstream and downstream switches are disconnected. Step 2 Pass the cable into the battery outdoor cabinet from the inlet holes.

  • Page 57: Pcs Connection Steps

    System Manual 5 Electrical Connection Step 3 Make sure that the DC cable connection sequence is correct. figure 5-13 BESS 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: Ac Connection

    5 Electrical Connection System Manual Step 3 Make sure that the DC cable connection sequence is correct. figure 5-14 PCS 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: Connection Steps

    System 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 in- structions are followed.

  • Page 60: Pcs Auxiliary Power Supply Connection

    5 Electrical Connection System 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 PCS Auxiliary Power Supply Connection Power supply mode setting...

  • Page 61: Bess Auxiliary Power Supply Connection

    System Manual 5 Electrical Connection *Recommended Description Mode Mark specification Connect external power sup- XK1-3 ply C1 phase XK2-1 Connected to XK1-1 Internal power 6 mm XK2-2 Connected to XK1-2 supply XK2-3 Connected to XK1-3 *The noted cable specifications are recommended values. It can be adjusted according to actual needs.

  • Page 62: 24Vdc Power Supply Connection

    5 Electrical Connection System Manual *Recommended Description Cabinet Mark specification **Connect to AUX POWER terminal XK5-1 L1 phase of 2# BESS **Connect to AUX POWER terminal XK5-2 L2 phase of 2# BESS 4 mm **Connect to AUX POWER terminal XK5-3 L3 phase of 2# BESS **Connect to AUX POWER terminal XK5-4...

  • Page 63: Communication Connection

    System Manual 5 Electrical Connection - - End The power cable drawn from the PCS cabinet is connected to the EMS cabinet to supply 24Vdc power to the EMS. The port definitions are as follows. table 5-5 Port description *Recommended Description Cabinet Mark...

  • Page 64: Post-Wiring Operations

    5 Electrical Connection System Manual Interface Interface Description location name NET3 *Connect to 2# BESS NET2 *Indicates that 2# BESS is optional. 5.11 Post-wiring Operations Check the wiring thoroughly and carefully when all electrical connections have been com- pleted. In addition, perform the following operations: •...

  • Page 65: Battery Connection

    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 66: Cable Connection

    6 Battery Connection System Manual • 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 67 System Manual 6 Battery Connection 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 68 6 Battery Connection System Manual 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 69 System Manual 6 Battery Connection 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 70 6 Battery Connection System Manual 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 71: Powering Up And Shutdown

    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 care- fully to ensure all indexes are acceptable before powering it on.

  • Page 72: Shutdown

    7 Powering up and Shutdown System Manual Step 2 Power up the PCS cabinet. Close the AC main circuit breaker QF1(AC MAIN SWITCH). The AC side of the PCS is powered up. Close the auxiliary power switch Q1(AUX POWER). Close the power switch of the BESS 1# Q2(AC400V 1#). Close the power switch of the BESS 2# Q3(AC400V 2#).

  • Page 73: Unplanned (Emergency) Shutdown

    Rotate the handle of load switches of each PCS 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 74: Fire Suppression

    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 en- sure it can function properly. Fire Suppression Equipment The BESS has a aerosol fire suppression system that can effectively extinguish the fire.

  • Page 75: Exhaust System

    System Manual 8 Fire Suppression figure 8-1 Diagram of fire fighting system composition Exhaust System When the concentration of combustible gas is detected to reach 10% LEL, the combustible gas detector in the BESS sends a signal to the station-level alarm host for fire warning through the BSC external terminal, while the signal is transmitted to the EMS to shut down the BESS and turn on the exhaust system (start the air intake equipment and exhaust equipment).

  • Page 76: Aerosol Fire Suppression System

    8 Fire Suppression System Manual figure 8-2 Control logic of exhaust system Aerosol Fire Suppression System The BESS is equipped with a aerosol fire suppression system. Aerosol generators are auto- matic units which are thermally activated. The aerosol fire suppression system is automati- cally activated when the temperature inside the container is ≥...

  • Page 77: Troubleshooting

    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 synchro- nously after powering on again: •...

  • Page 78: Routine Maintenance

    • If necessary, contact SUNGROW customer service for maintenance. In the event of heavy snowfall at the project site, please clear the snow from the top of the equipment and the surrounding area in a timely manner.

  • Page 79: Maintenance (Every Two Years)

    System Manual 10 Routine Maintenance 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 inter- nal equipment. System status •...
  • Page 80 10 Routine Maintenance System Manual 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 out- door cabinet are well sealed.

  • Page 81: Maintenance (Every Half A Year To Once A Year)

    System Manual 10 Routine Maintenance 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 82: Container Maintenance

    10 Routine Maintenance System Manual Item Content Check method Mainte- nance tools Check whether the fan blades 1. The fan blade rotates Screwdriver cannot rotate or are damaged. If smoothly without abnor- with long so, replace the fan. mal noise; handle 2.
  • Page 83 System 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 84 10 Routine Maintenance System 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 re- move surface stains.
  • Page 85 System 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 re- move surface stains and dust.

  • Page 86: Checking Door Locks And Hinges

    “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 87 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 88 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 damage or deformation. • Check the internal devices for abnormal noise during operation.
  • Page 89 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 90: Maintenance Precautions

    In case of any doubt on operation and maintenance of this product, contact the Custom- er 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 91 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 92: Coolant Replacement

    1. There are obvious ted 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 93 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 94 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 95: Appendix

    11 Appendix 11.1 System Parameters Type designation ST535kWh-250kW-2h ST1070kWh-250kW-4h Battery cabinet 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) Weight of battery unit...

  • Page 96: Tightening Torques

    **Secure the cable at a proper point to reduce the stress on the cable lug. 11.3 Quality Assurance When product faults occur during the warranty period, SUNGROW will provide free service or replace the product with a new one. Evidence During the warranty period, the customer shall provide the product purchase invoice and date.

  • Page 97: Contact Information

    • 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 98 Sungrow Power Supply Co., Ltd. www.sungrowpower.com...

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