Tsun TSOL-ACU3.0K User Manual
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Tsun TSOL-ACU3.0K User Manual

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TSOL-ACU3.0K

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Summary of Contents for Tsun TSOL-ACU3.0K

  • Page 1 TSOL-ACU3.0K...

  • Page 2: Table Of Contents

    Content 1 Notes on this Manual ..........................1 1.1 Scope of Validity ......................... 1 1.2 Target Group ..........................1 1.3 Symbols Used ..........................1 2 Safety ..............................2 2.1 Important Safety Instructions ..................... 2 2.2 Explanation of Symbols ......................3 2.3 Emergency situation ........................

  • Page 3: Notes On This Manual

    1 Notes on this Manual 1.1 Scope of Validity This manual is an integral part of TSOL-ACU3.0K AC Coupled Unit, it describes the assembly, installation, commissioning, maintenance and failure of the product. Please read it carefully before operating. 1.2 Target Group This manual is for qualified electricians.

  • Page 4: Safety

    2 Safety 2.1 Important Safety Instructions Danger!  Electric shock and high voltage.  Do not expose the inverter to temperatures in excess of 45°C.  Do not subject the inverter to any strong force.  Do not touch uninsulated cable termination. ...

  • Page 5: Explanation Of Symbols

    Caution!  Do not modify or tamper with ACU and other components of the system.  Risk of injury by hoisting or falling system  Inverters and batteries are heavy and personal injury can be caused if the inverter or battery is improperly lifted or dropped during transport or improper operation when attached or removed from walls.

  • Page 6: Emergency Situation

    Danger. Risk of electric shock! An error occurred Read the usage manual to troubleshoot problems This device SHALL NOT be disposed of in residential waste Please go to Chapter Seven “Battery maintenance” for proper treatment. Recyclable 2.3 Emergency situation Despite of its careful and professional protection design against any hazard results, damage of the battery may still occur.
  • Page 7 Potential danger of damaged battery: Chemical Hazard: Despite of its careful and professional protection design against any hazard results, rupture of battery shall still occur due to mechanical damage, internal pressure etc., and may result in a leakage of battery electrolyte. The electrolyte is corrosive and flammable.

  • Page 8: Introduction

    3 Introduction 3.1 Scope of application ACU series is used in energy storage retrofits and is a new type of AC coupled energy storage system. The built-in lithium battery inside ACU can be expanded in capacity according to user demands, and the modular design of the slave device makes it easy to install wiring.

  • Page 9: Product Model Description

    5.1kWh 10.2kWh 15.3kWh 20.4kWh 3.2 Product Model Description TSOL - ACU 3.0K ① ② ③ ① TSUN of the brand. ② ACU represents the product series. ③ 3.0K indicates the rated power of the product, such as 3.0K for 3KW.

  • Page 10: Datasheet

    3.3 Datasheet Type TSOL-ACU3.0K Battery Data Battery Type Lithium ion Total Energy Capacity [Wh] 5120 Battery Capacity [Ah] Rated Voltage [V] 51.2 Voltage range [V] 42~58.4 ≤90% Depth Of Discharge [DOD] ≥6000 Cycle Life Max.Charge Current [A] Max.Discharge Current [A] Yes（up to 20.4kWh）...

  • Page 11: Installation Instructions

     The installation location must be well ventilated.  TSOL-ACU3.0K (hereinafter also referred to as the master device) can be used independently. If the battery capacity needs to be expanded, please use TSOL-B100E-S (slave device), and maximum 3 slave devices can be accessed.

  • Page 12: Determine The Installation Method And Location

    4.3 Determine the installation method and location ACU series product dimension: ACU3.0K is cooled by natural wind convection. It is recommended to install in indoors or sheltered areas to avoid direct sunlight, rain and snow.
  • Page 13 Vertical ground mounting method is recommended and it’s allowed to be installed by maximum tilting 15° backward. Do not install it horizontally or reversely. √ √ × × × Please ensure that the air at the installation point is circulated. Bad air ventilation will affect the working performance of internal electronic components and shorten the service life of ACU.

  • Page 14: Installation Steps For Acu

    d. in wall cavities or under stairways. e. on roofs, except for were specially deemed suitable. f. under access walkways. g. sites where the freezing point is reached, like garages, carports or other places. h. sites with humidity and condensation are above 85%. i.
  • Page 15 ∅ Fix the mounting bracket with hex head screw on the installation positions. Step 3: Hang the ACU to the mounting bracket and make sure the device is snugly fits with the bracket.

  • Page 16: Installation Steps For Expansion Battery

    4.5 Installation steps for Expansion Battery Note！  If any Expansion Battery is connected to the ACU, please install the Expansion Battery prior to ACU installation in case the space is not enough.  If no Expansion Battery connected to the ACU, please ignore this section.
  • Page 17 ∅ The recommended installation distances among the ACU and the Expansion Battery mounting brackets can be found below: Primary Secondary 1 Secondary 2 Secondary 3 Step 3: After the mounting bracket fixed and before hanging the ACU/ Expansion Battery on the mounting bracket, please remove the plug from the waterproof nut of the ACU and Expansion Battery, then put on the cable gland but not tighten it up yet.
  • Page 18 Step 4: If there are more than one unit of Expansion Battery connected to the ACU, please install Expansion Battery No.3 first, Expansion Battery No.2 secondly, Expansion Battery No.1 thirdly and ACU finally, from bottom to top. Please hang the ACU & Expansion Battery to the mounting bracket with the order as mentioned above and make sure all equipment are attached to the bracket well.

  • Page 19: Electrical Connections

    5 Electrical Connections 5.1 Electrical Interface Description Object Description DRMS Port CT/Meter connection RS232 communication Grid connection Backup connection Ground BMS switches Battery switches BAT+ BMS LINK BAT-...

  • Page 20: System Wiring Schematic

    5.2 System Wiring Schematic Don’t connect the backup loads side with the grid or battery BACKUP BACKUP 5.3 ACU Wiring Warning！  Turn off the Battery Switch and BMS Switch as well as external AC breaker after unpacking in any cases before and during wiring in case of electric shock.
  • Page 21 Step 2: After the cover plate removed, please lead one cable (Recommend conductor core size: 2.5 mm ) through the waterproof nut (GRID) and then use E6012 wire crimps to connect the wires to the terminal of GRIDL, GRIDN and GND2 properly. Step 3: Lead another cable (Recommend conductor core size: 2.5 mm ) through the waterproof nut (BACKUP) and then use E6012 wire crimps to connect the wires to the...
  • Page 22 GRID BACKUP Step 4: Remove the external hex head screw and lead a grounding line through OT terminal, screw it into the grounding port of ACU enclosure (in clockwise direction) and make sure it is screwed up tightly.

  • Page 23: Expansion Battery Wiring

    5.4 Expansion Battery Wiring Warning！  If no Expansion Battery device wired to the ACU, please ignore this section.  For expanding the system capacity, the Expansion Battery (s) shall be paralleled to the ACU.  Ensure Battery switch is off during installation to avoid the risk of short circuit caused by wrong operation during battery wiring.
  • Page 24 Step 2: Lead power lines through the waterproof nut of the ACU and Expansion Battery respectively, make sure the lines are connected correctly (BAT+ of ACU to BAT+ of Expansion Battery, BAT- of ACU to BAT- of Expansion Battery). Step 3: Lead the RJ45 communication cable (not press the RJ-45 plugs yet) from the fastening head of ACU to the fastening head of Expansion Battery (30kgf.cm (torque) is recommended).
  • Page 25 DIP switch configuration can be found below: Configuration Expansion Expansion Expansion Battery (No.1) Battery (No.2) Battery (No.3) 1*ACU 1*ACU 1*Expansion Battery 1*ACU 2*Expansion Battery 1*ACU 3*Expansion Battery Note！  Before setting the DIP switch, make sure there is a BATTERY+ sticker on the expansion battery package and expansion battery itself.

  • Page 26: Drm Communication Interface Description

    For example, while installing one expansion battery, connect COMM-3 of ACU to COMM- 1 of Expansion Battery. Leave the plug remained on COMM-3 of expansion battery. While installing two expansion batteries, connect COMM-3 of ACU to COMM-1 of first expansion battery. Then connect COMM-3 of first expansion battery to COMM-1 of second expansion battery.

  • Page 27: Ct/Meter Installation

    Object Corresponding Pins Requirement DRM0 5 & 6 The inverter is on standby mode DRM1 1 & 6 The inverter is not consuming power DRM2 2 & 6 The inverter is consuming less than 50% of rated power 3 & 6 The inverter is consuming less than 75% of rated power AND DRM3 source reactive power if capable...
  • Page 28 Remove the cover plate of the ACU. Open the Grid_CT by pushing the buckle on its side. Lead the Live of the Grid through the Grid_CT. Tighten up the Grid_ CT buckles. Open the PV_CT by pushing the buckle on its side. Lead the Live of PV through the PV_CT.

  • Page 29: Meter Solution

    Note！  Both CTs directions shall point to the load side. Please notice the CT direction. 5.6.2 Meter Solution There are two types of smart meters (built-in CTs) available for varied system types. Model Accuracy Class Frequency Reference Voltage Instrument constant DDSU666 Active Class 1 50Hz...
  • Page 30 After installation, please set the meter (Grid side) address into 1 and set the meter address (PV side) address into 2. (Please refer to section 5.6.3.2 for setting methods.) Usually the default address of meter (Grid side) is 1. 5.6.2.2 One Three Phase Meter In a single-phase grid &...
  • Page 31 5.6.2.3 Two Single Phase Meters In a single-phase grid & single phase inverter system, two units of single -phase meters can be used to sample voltage and current at PV side and grid side. Please install the 1-phase meters with reference diagram as showed below. Please set the meter address (Grid side) into 1 and set the meter address (PV side) into Please refers to section 5.6.3.1 for meters setting methods.

  • Page 32: Meter Address Setting

    5.6.3 Meter Address Setting Note！  If CT solution is adopted, please ignore this section. 5.6.3.1 Single Phase Meter The setting methods for single-phase meter is as follows: ① Power on the meter to the display interface and long press “→”button to enter meter switching interface, select and wait for 2s to enter meter address page automatically.

  • Page 33: External Ac Circuit Breaker And Residual Current Device

    ④ When the password entered correctly, press “SET” twice to enter the Port interface then press “→” for three times to enter address page, and press “SET” button once to start to set meter address. ⑤ Pressing “→” button to adjust the value of address, one increment per button pressing.

  • Page 34: Debugging Instructions

    6 Debugging Instructions 6.1 Human-computer Interface Introduction 100% 100% Description LED lamps state Green lamp flicker from Battery discharging bottom to top Green lamp flicker from top to Battery charging bottom Green/Red Red lamp flicker:1 s/time Standby LED lamp Green lamp and red lamp Procedures are being upgrade flicker in alternative Red lamp Always light on...

  • Page 35: Local Setting (Solarman Business App)

    If there is any Expansion Battery connected to the ACU, the system shall be turned ON in the correct sequence as follows: 1) Turn ON the Battery switch at the right side of the Battery No.3> Battery No.2> Battery No.1> ACU. 2) Turn on the BMS switch at the right side of the Battery No.3>...
  • Page 36 Do the local setting by “Applications” → “Local Mode”. Scan the QR code in the monitor logger. Connect WLAN to the Wireless Access Point of monitor logger.
  • Page 37 Set the battery type by “Basic Setting” → “Bat Parameters” → “Bat Type”. Select “Lithium battery”. Set the Safety Standard by “Basic Setting” → “Safety Type. Set the CT/Meter type by “Basic Setting” → “Meter_enable”.
  • Page 38 Set the time by “Basic Setting” → “Time Setting”. Set the Working Modes by “Basic Setting” → “System working mode”. Auto Scheduling Mode The electricity from any power generating system (e.g. solar generating system) will firstly be used to support the home loads. The surplus electricity will be used to charge the battery by ACU.
  • Page 39 Time-sharing Tariff Mode Time-sharing Tariff Mode is set based on the time-of-use tariff system. In the electricity market where the time-of-use electricity price is implemented, ACU can be set to charge the battery when the electricity price is low and discharge when the electricity price is high, which can reduce the overall electricity consumption cost Revenue from TOU price management is mainly obtained through price difference and adjustment of electricity utilization plan.
  • Page 40 In Back-up mode, ACU will supply power to the loads first and store surplus energy in the battery as standby capacity for ensuring stable operation of the system in case of grid blackout. The spare capacity can be set to satisfy the back-up load. Manual Maintenance Mode Manual Maintenance Mode is only used to do the maintenance work by qualified personnel.

  • Page 41: Plant Creation And Authorization (Solarman Business App)

    6.4 Plant creation and authorization (Solarman Business APP) Log in Solarman Business APP and find the creating page in “Business” → “Monitor” → “+”. Fill in the information of the plant and click “Save”. Pay attention that the “System Type” should be “Energy Storage System”.
  • Page 42 Click “Add a New Gateway/Logger” and scan the QR code of the monitor logger. Click “Authorize Users” and authorize this plant to the End User. If the end user doesn’t have an account, click “create a New User” and create a new account for the end user.

  • Page 43: Plant Creation And Authorization (Solarman Business Web)

    6.5 Plant creation and authorization (Solarman Business Web) Visit pro.solarmanpv.com and log in Solarman Business Website. Find the creating page in “Monitor” → “Plants” → “Create a Plant”. Fill in the information of the plant and click “Save”. Pay attention that the “System Type”...
  • Page 44 Click “Add a New Gateway/Logger” and input the SN of the monitor logger.

  • Page 45: Shut Down The System

    Click “Authorize Users” and authorize this plant to the End User. If the end user doesn’t have an account, click “create a New User” and create a new account for the end user. 6.6 Shut Down the System Note！  If the ACU is connected with Expansion Battery(s), the procedure for turning off the system will be Battery No.3>>...

  • Page 46: Fault Codes And Common Troubleshooting

    7 Fault Codes and Common Troubleshooting Explanation Fault type Communication loss of the main and subordinate machine Error Master High temperature Master Error Low temperature Master Error DCI Err Master Error Synchronizing pulse fault Master Error Relay fault Master Error Storage fault Master Error Battery input short circuit Master...
  • Page 47 Voltage of battery high alarm Master Alarm Voltage of battery low alarm Master Alarm Voltage of grid high warning Slave Alarm Voltage of grid low warning Slave Alarm Grid over frequency alarm Slave Alarm Grid under-frequency alarm Slave Alarm Grid loss alarm warning Slave Alarm Communication loss of the main and Error...

  • Page 48: Battery Maintenance

    8 Battery maintenance 8.1 Transportation Lithium batteries are dangerous goods. Passed the test of UN38.3, this product meets the transportation requirements for dangerous goods for lithium batteries. After the installation of the battery on site, the original packaging (contains the lithium battery identification) should be kept.

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