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Summary of Contents for Growatt ARK 2.5L-A2
- Page 1 Residential Energy Storage User Manual ARK 2.5L-A2 Battery System...
- Page 2 This document describes the installation, electrical connection, operation, commission, maintenance and troubleshooting of ARK 2.5L-A2 Battery System (hereafter simply put ARK 2.5L-A2). Before installing and operating ARK 2.5L-A2, ensure that you are familiar with product features, functions, and safety precautions provided in this document.
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Page 3: Table Of Contents
Contents 1 Product Overview ..............1 1.1 Intended Use......................1 1.2 Appearance ......................1 1.3 Working Principle and Function ................2 2 Safety..................3 2.1 Basic security......................3 2.2 Safety Precautions....................3 2.2.1 Environment requirements ................3 2.2.2 Operation Precautions ..................4 2.3 Warning Labels .................... -
Page 4: Product Overview
1 Product Overview 1.1 Intended Use Each ARK 2.5L-A2 consists of 50Ah cells which form 51.2V voltage battery module and sixteen serial connection (1P16S).Two to ten ARK 2.5L-A2 can be connected in parallel and extend the capacity and power of energy storage system. The same type of cell and the same software version of the PACK can be used in parallel. -
Page 5: Working Principle And Function
Failure or protection status 1.3 Working Principle and Function ARK 2.5L-A2 is an energy storage unit composed of electrochemical cells, switch button, battery management unit, power and signal terminals, and mechanical parts. It features better charge and discharge performance, more precise status monitor, longer cycle life, and less self-discharge loss than other batteries. -
Page 6: Safety
The PACK has been designed and tested in strict rules with international safety certification requirements. Read all safety instructions carefully before any work and obey the rules at all times when working on or with the PACK. Growatt is not responsible for any of the following circumstances or their consequences：... -
Page 7: Operation Precautions
2.2.2 Operation Precautions Do not touch the PACK with wet hands. Do not disassemble the PACK without permission. Do not crush, drop or puncture the PACK and battery. Dispose the batteries according to local safety regulations. Store and recharge battery in accordance with this manual. Ensure the connection of ground wire reliable. - Page 8 Symbols Description Make sure the battery polarity well connected Do not expose to fire Operate as the Manual Battery Module Battery System Fig 2.1: Nameplate Note: When the ambient temperature is between -10 ℃ and 0℃, the maximum charging current of the battery will be limited.
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Page 9: Emergency Responses
Fire caught a fire, do not try to extinguish the fire but evacuate people immediately. If PACK is flooded or submerged, do not access it. Contact Growatt or Wet Packs distributor for technical assistance immediately. Damaged PACKS are dangerous and must be handled with special Damaged attention. -
Page 10: Storage And Transportation
3 Storage and Transportation 3.1 Storage Requirements Place the PACK follow the identification on the packing case during storage. Ø Do not put the PACK upside down or sidelong. Ø Ø The defective PACK needs to be separated from other PACKs. The storage environment requirements are as follows: Ø... -
Page 11: Transportation Requirement
3.2 Transportation Requirement PACK has been certified in UN38.3 (Section 38.3 of the sixth Revised Edition of the Recommendations on the Transport of Dangerous Goods: Manual of Tests and Criteria) and SN/T 0370.2-2009 (Part 2: Performance Test of the Rules for the Inspection of Packaging for Exporting Dangerous Goods). -
Page 12: Installation
4 Installation Ø Ensure to read the Guidance before installation in order to understand product information and safety cautions; Operators should be well trained technicians and fully Ø understand the whole photovoltaic system, grid network, working principle and national regional standards; Ø... - Page 13 ≥300mm ≥300mm Ground Ground Ground Fig 4.3: Acceptable floor standing installation Do not place the PACK upside down. WARNING Ø Build sun& rain shade to avoid direct exposure to the sunlight and rain. Wall Wall Fig 4.4: Shade for ARK 2.5L-A2...
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Page 14: Installation Required Tools
4.3 Installation Required Tools The following tools are required to install the PACK: Screw Driver Drill Wrench Tap Measure Pencil Multimeter It is recommended to wear the following safety gear when dealing with the PACK. Safety Goggle Safety Shoes Insulated Glove 4.4 Installation Procedures Pre-installation Check Check the PACK package before open it. - Page 15 M6 explosive screw*2 Positive parallel power line*1 Operation Manual*1 M6 flange nut*1 Negative parallel power line*1 Warranty Card*1 M4*10 Combination screw*2 Certification*1 Fig 4.5: components and parts of ARK 2.5L-A2 Check the accessories 2000mm 2500mm 2500mm 2000mm 2500mm 2000mm 2000mm ARK 2.5L-A2...
- Page 16 , install the nut(including elastic flat pad)and tighten the nut with a wrench. Step 5: Hang the ARK 2.5L-A2 on the wall hangers. Adjust the battery level with M6 external hexagon torque wrench and install the safety screws (M4x10 Combination screw) on both sides of all modules.
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Page 17: Electrical Connection
φ8. Expand the bolt with a hammer into the hole in the wall , install the nut(including elastic flat pad)and tighten the nut with a wrench. Step 5: Hang the ARK 2.5L-A2 on the wall hangers. Adjust the battery level with M6 external hexagon torque wrench and install the safety screws (M4x10 Combination screw) on both sides of all modules. - Page 18 Communication interface definition: Serial Item Quantity Specifications Symbol number Communication IP67 RJ45water proof Port connector Communication IP67 RJ45water proof LINK-IN Port connector Communication IP67 RJ45water proof LINK-OUT Port connector Pressures inside Safety vent released via the vent. Negative IP67 –Black connector BAT- terminal Grounding...
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Page 19: System Connection Diagram
Battery+ To PCS ARK 2.5L-A2 Battery+ Battery- Cable ARK 2.5L-A2 Parallel Cable Fig 4.9: System connection Fig 4.10: parallel connection stacked diagram in two line Note: The battery is not allowed to be installed in the running state, and all the RUN lights of battery modules should be off before installation. -
Page 20: Electrical Wiring Connection
4.5.3 Electrical wiring connection 1. When the power wiring harness is connected, please pay attention to the positive and negative terminals, the red terminals are connected to the positive terminals and the black terminals to the negative terminals. 2. The PCS communication terminal is used to communicate to the PCS. Link-in terminals are used for signal inlet of multiple parallel battery packs. -
Page 21: Power On And Off The Battery 5
Power on and off the Battery 5 The installation and use of batteries involve much specialized Ø knowledge. Therefore, technicians should be given appropriate technical training and obtain operational certificates in compliance with local laws and regulations. Please ensure technicians have obtained training certificate before operation. Please stand on dry insulating objects and do not wear Ø... -
Page 22: Maintenance Guide
6 Maintenance Guide 6.1 Preparation Ø Tools like safety gloves, cross head driver and socket wrench should be prepared. Turn off and turn on new PACK. Ø 1. If the PACK is power-off. Press power button for 3-8 seconds to turn on. 2. - Page 23 1. There is no safety threat and user should stop using battery. 2. Check if PCS and battery communication terminal is External CAN Communication well connected. Communication loss between PCS 3. If PCS and PACK cannot failure and PACK. communicate when the communication wire is confirmed well connected, user should contact installer...
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Page 24: Extension
6.4. Extension New Battery Selection: 1) The battery should be of the same model. 2) The interval between the installation date and the production date of new battery models should not exceed half a year 3) The installation interval between the new battery and the original system battery should be shorter than or equal to one year. -
Page 25: Technical Specifications 7
Technical Specifications 7 Functional parameters of ARK 2.5L-A2 Energy Storage System are shown below: Items Specification Parallel number of Battery systems Battery Module ARK 2.5L-A2 ARK 5.1L-A2 Nominal Capacity/Energy 50Ah/2.56kWh 100Ah/5.12kWh Rated Capacity/Energy 45Ah/2.3 kWh 90Ah/4.6 kWh Rated Voltage 51.2V Operating Voltage 47.2 - 56.8V... - Page 26 Items Specification Parallel number of Battery systems Battery Module ARK 7.6L-A2 ARK 10.2L-A2 Nominal Capacity/Energy 150Ah/7.68kWh 200Ah/10.24kWh Rated Capacity/Energy 135Ah/6.9 kWh 180Ah/9.2kWh Rated Voltage 51.2V Operating Voltage 47.2 - 56.8V Rated Charging/discharging 100A current Max Charging/discharging current 110A 110A Over current protection 110A 110A Rated Charging/discharging power...
- Page 27 Items Specification Parallel number of Battery systems Battery Module ARK 12.8L-A2 ARK 15.3L-A2 Nominal Capacity/Energy 250Ah/12.8kWh 300Ah/15.36kWh Rated Capacity/Energy 225Ah/11.5 kWh 270Ah/13.8 kWh Rated Voltage 51.2V Operating Voltage 47.2 - 56.8V Rated Charging/discharging 100A 100A current Max Charging/discharging current 110A 110A Over current protection 110A...
- Page 28 Items Specification Parallel number of Battery systems Battery Module ARK 17.9L-A2 ARK 20.4L-A2 Nominal Capacity/Energy 350Ah/17.92kWh 400Ah/20.48kWh Rated Capacity/Energy 315Ah/16.1kWh 360Ah/18.4kWh Rated Voltage 51.2V Operating Voltage 47.2 - 56.8V Rated Charging/discharging 100A 100A current Max Charging/discharging current 110A 110A Over current protection 110A 110A Rated Charging/discharging...
- Page 29 Items Specification Parallel number of Battery systems Battery Module ARK 23.0L-A2 ARK 25.6L-A2 Nominal Capacity/Energy 450Ah/23.04kWh 500Ah/25.6kWh Rated Capacity/Energy 405Ah/20.7 kWh 450Ah/23.0 kWh Rated Voltage 51.2V Operating Voltage 47.2 - 56.8V Rated Charging/discharging 100A 100A current Max Charging/discharging current 110A 110A Over current protection 110A...
- Page 30 I Appendix LED indication Control Mechanism LED light definition RUN/ SOC indication Status Items Remark LED1 LED2 LED3 LED4 LED5 0%-25% (t=1S) RUN/ALM 26%-50% (t=1S) light on and one SOC Charge SOC 51%-75% (t=1S) lights flicker 76%-99% (t=1S) 100% 100%-76% 75%-51% Discharge 50%-26%...
- Page 31 Over charge and RUN/ALM light over discharge (t=1S) flicker green protection Charging current RUN/ALM light limit does not (t=1S) flicker green respond Charge and discharge high RUN/ALM light (t=1S) temperature flicker green alarm Charge and discharge high RUN/ALM light (t=1S) temperature flicker green protection...
- Page 32 Mos high RUN/ALM light (t=1S) temperature alarm flicker green Mos high RUN/ALM light temperature (t=1S) flicker green protection High temperature RUN/ALM light (t=1S) environment alarm flicker green High temperature RUN/ALM light environment (t=1S) flicker green protection Cell Large voltage RUN/ALM light LED1-LED4 indicates (t=1S) difference alarm...
- Page 33 The low-voltage battery has no other measures to disconnect the circuit except MOSFET.It can only rely on communication to inform the external PCS to realize the charging stop function. Shenzhen Growatt New Energy Co., Ltd. 4-13/F, Building A, Sino-German (Europe) Industrial Park, Hangcheng Blvd, Bao'an District, Shenzhen, China +86 755 2747 1942 service@ginverter.com...
- Page 34 Download Manual Shenzhen Growatt New Energy Co., Ltd. 4-13/F, Building A, Sino-German (Europe) Industrial Park, Hangcheng Blvd, Bao'an District, Shenzhen, China +86 755 2747 1942 service@ginverter.com www.ginverter.com GR-UM-410-A-00 (PN: 044.0125000)
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