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Freedom Won LiTE 2 Installation Manual

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Home and Business Ranges
Range of Lithium Iron Phosphate Battery Modules
Longmeadow Business Estate
Nguni and Hereford Rd
Modderfontein, Edenvale
1609
South Africa
www.freedomwon.co.za
Technical and Installation Assistance – Contact:
Please contact your Freedom Won Distributor or Reseller Installer for technical and installation
support. A directory of Distributors and Reseller Installers is available at www.freedomwon.co.za.
For advanced support please contact support@freedomwon.co.za.
Update Record:
Revision
Update Summary
Number
Updated battery images with updated display
0
features.
Updated Connecting a Freedom Won LiTE 2
1
Home to Wi-Fi
Installation Manual
Freedom Won LiTE 2
Manufactured By Freedom Won (Pty) Ltd
Updated By
Date of Issue
Jaco De Beer
14 August 2023
Jaco De Beer
18/12/2024

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Summary of Contents for Freedom Won LiTE 2

  • Page 1 South Africa www.freedomwon.co.za Technical and Installation Assistance – Contact: Please contact your Freedom Won Distributor or Reseller Installer for technical and installation support. A directory of Distributors and Reseller Installers is available at www.freedomwon.co.za. For advanced support please contact support@freedomwon.co.za.
  • Page 2 Freedom Won LiTE 2 Home and Business 52V Installation Manual Revision 1 Table of Contents 1. Introduction ..............................3 2. Product Description............................. 3 3. DC Bus Design Notes ........................... 9 4. Transport, Handling and Mounting ....................... 10 5. Mounting and Environmental Requirements ....................13 6.
  • Page 3 The new LiTE 2 Home and Business has been fitted with a gateway that makes use of Wi-Fi or Ethernet for remote monitoring. This allows remote monitoring of the battery and its parameters.
  • Page 4 Tables 2.1 and 2.2 provide an overview of the 52V LiTE 2 Home and Business range. There are eight LiTE 2 models in the Home and Business range, as listed in Tables 2.1 and 2.2, differentiated based on their energy storage capacity.
  • Page 5 Freedom Won LiTE 2 Home and Business 52V Installation Manual Revision 1 Figure 2.1 Labelled Image of the Freedom LiTE 2 Home 15/12 (Labelling corresponds with the text) Note: Diagram above is applicable to the following LiTE 2 HOME range batteries: 10/8, 15/12 and 20/16.
  • Page 6 Freedom Won LiTE 2 Home and Business 52V Installation Manual Revision 1 9. Off Button 10. Lifting Eye Bolt Hard Point, only applicable to Home 15 and up (not visible in photo) 11. Rear access lid 12. Wifi Antenna 13. Ethernet connection port 14.
  • Page 7 End of Life (EoL) defined as cell dropping to 60% of Beginning of Life (BoL) capacity. This warranty applies to LiTE units sold after 1 April 2024. For LiTE units sold prior please contact Freedom Won for warranty information. P a g e...
  • Page 8 End of Life (EoL) defined as cell dropping to 60% of Beginning of Life (BoL) capacity. This warranty applies to LiTE units sold after 1 April 2024. For LiTE units sold prior please contact Freedom Won for warranty information.
  • Page 9 All LiTE 2 units have feet as standard [14]. 3. DC Bus Design Notes The LiTE 2 range includes an integrated battery DC breaker/isolator that breaks the positive cable continuity inside the battery. The system therefore does not require additional protection in the form of a DC isolator or breaker except where required in relation...
  • Page 10 Figure 4.1 Eye bolt and access hatch Eye bolts fixed to the top of the LiTE 2 unit can be used for hoisting it up to the required height for fitting to the wall (excluding LiTE 2 10/8, which can be lifted manually). The eye bolt(s) on the models up to the LiTE 2 20/16 can be removed after installation.
  • Page 11 Figure 4.2 Eye bolt Example Figure 4.3 Eye bolt Installation on a LiTE 2 15/12 model (remove after installation) The units can alternatively be lifted to the correct height using a high-lift pallet jack as shown in Figure 4.4.
  • Page 12 Figure 4.4 High Lift Pallet Jack Caution: Handle the LiTE 2 unit with great care when lifting and maneuvering. It should remain either lying flat on its back, or vertically upright (it should not be placed upside down or on its front face.
  • Page 13 0˚C and 25˚C. The LiTE 2 unit may be mounted directly against a wall or on the floor. There is no minimum requirement for spacing around the unit from other objects, provided that these objects do not generate heat and that the vents on the sides of the unit are not blocked.
  • Page 14 For controlling external devices, you will need to connect the CAN Bus cable that allows the BMS inside the LiTE 2 unit to control and interface with these devices. The CAN Bus connection is made using the RJ45 plug with the pin configuration on the battery plug end is provided in Table 6.1.
  • Page 15 13. Advanced communication between all connected LiTE 2 units The CAN 2.0 Part A and Part B standard uses the SAE J1939 standard in the LiTE 2 unit. It is necessary to install a 120Ω resistor on each end of the CAN cable (splices do not require a resistor).
  • Page 16 Freedom Won LiTE 2 Home and Business 52V Installation Manual Revision Table 6.2 Pin Configuration for CAN Bus Control Cable for various supported inverters Inverter Brand CAN L CAN H Comments Pin 5 (blue/ Freedom Won Encore Pin 4 (blue)
  • Page 17 “slaves” by automatically assigning themselves with unique addresses. A maximum of 20 units can be connected in parallel. All the LiTE 2 units must be connected onto the CAN Bus via the CAN Bus using standard LAN cable.
  • Page 18 20 batteries in a system. No programming is required, simply connect the CAN Bus cables and switch on the LiTE 2 unit. The Master will be the first battery that is switched on. Figure 6.4 is a connection example of multiple batteries in parallel with the positions of the termination resistors shown.
  • Page 19 Freedom Won LiTE 2 Home and Business 52V Installation Manual Revision If the master LiTE 2 unit trips, one of the slaves will take over as the master automatically, without any interruption of service. Freedom Won offers a fair trade-in on LiTE 2 units on the purchase of new units, which is an option for somebody wishing to expand their battery capacity instead of installing parallel units.
  • Page 20 BMS, press the “OFF” button as illustrated in Figure 8.1. This will also trip the breaker if it is still on at the time. The LiTE 2 unit must be switched off fully when not in use to prevent self-discharge.
  • Page 21 Connecting a Freedom Won LiTE 2 Home to Internet It is possible to connect your new Lite 2 battery to the Internet for remote monitoring, setup and fault finding. You can connect your battery with either a Wifi connection or an Ethernet connection.
  • Page 22 Freedom Won LiTE 2 Home and Business 52V Installation Manual Revision 11. Accessories Freedom Won offers the following accessories: Table 12.1 List of Accessories Item Description For plugging into the second CAN port for an end- 120Ω Termination Resistor - RJ45...
  • Page 23 Freedom Won LiTE 2 Home and Business 52V Installation Manual Revision 12. Typical Installations Below is a diagram of a typical battery and inverter installation Fig 12.1 Typical Installation of Lite 2 Battery P a g e 23 | 28...
  • Page 24 Freedom Won Technical Support 13. Warranty and Repair The LiTE 2 unit is sealed with a tamper proof warranty seal. It may not be opened by anyone other than Freedom Won and installers or repairers that have been explicitly approved by Freedom Won.
  • Page 25 60% of the new capacity. LiTE 2 models are expected to operate for about 16 years in a daily cycling scenario for more than cycles with an average of 80% DoD. To ensure optimal product lifetime it is essential to cycle the battery regularly.
  • Page 26 3. Short circuit on the DC Bus or faulty inverter or MPPT causing high currents. 4. In a system with multiple LiTE 2 units in parallel, the reason could be that the unit you are trying to switch on is at a different voltage to the others – the voltages must be similar (within 1V of each other) on all batteries when switching them onto a common DC bus.
  • Page 27 Freedom Won LiTE 2 Home and Business 52V Installation Manual Revision After resetting the BMS the main The is most likely because the battery is fully discharged breaker still will not stay up and the BMS is protecting the cells from further discharge.
  • Page 28 Freedom Won LiTE 2 Home and Business 52V Installation Manual Revision The error light keeps illuminating If the battery voltage is within limits this should not after each reset ordinarily occur. Contact Freedom Won or an approved installer for assistance with determining the problem. If the...