The default settings of Solark manual show taking the battery down to 49V. This is too low for Fortress batteries. Fortress batteries should only be intentionally discharged down to 20% SoC or 51.4V and then be recharged by available charging sources. A blinking State of Charge Indicator Light confirms that the eFlex is charging.
eFlex: It does not matter which communication port you plug into on the eFlex – the ports are universal. The canbus terminator ...
Rev 1.5 04-27-21 How To Set Up Fortress Power Lithium Batteries Using Sol-Ark Inverter Introduction This integration guide will help set up the charge/discharge parameters of Fortress Power batteries as they relate to Sol-ark inverters, as well as closed-loop communication Datasheets / Manuals: https://www.fortresspower.com/resources/ Email: techsupport@fortresspower.com Discord Support: https://discord.gg/kxX6QMjKFw Phone: (877) 497-6937 x 2 Hours: 8:30AM - 6:30PM EST Warranty Submittal: https://www.fortresspower.com/product-warranty/ Join Our Discord Chat Remember to press OK when programming with the SolArk LCD screen! 1. Connect communication cables between each battery with canbus terminators at each end. It does not matter which communication port on the battery is used. 2. Program open loop settings. These settings may adjust if establishing closed loop communication. Do not use %-state of charge controls without establishing closed loop communication. Start V will turn the generator or grid charge on. It should be lower than the lowest "sell back" setting under grid parameters to avoid nuisance tripping. Shutdown V will disconnect the battery from the inverter but the battery BMS will remain powered on. Program an alert to notify the end user to prevent accidental deep discharging. . . . 505 Keystone Rd, Southampton, PA 18966 (877) 497 6937 sales@fortresspower.com Fortresspower.com Rev 1.5 04-27-21 How To Set Up Fortress Power Lithium Batteries Using Sol-Ark Inverter 3. Make the battery-to-inverter communication cable. eFlex Instructions: a) RJ45 pins 6+7+8 correspond to SolArk pins 6+7+8. Physically cut into the ethernet cable jacket and snip the internal wires 1-5, keeping wires 6+7+8. Alternately, use an ethernet keystone. Up to 15 eFlex can be programmed closed loop with the SolArk inverters. b) When installing the eFlex, also use the RJ45 pinout converter and an unmodified ethernet cable. It does not matter which side of the communication circuit the modified battery-to-inverter cable goes on. eVault Instructions (up to two eVault): a) eVault RJ45 pins 3+5+6 correspond to SolArk pins 6+7+8. A keystone is recommended to make the crossover. Tool-less ethernet keystones are very useful! Up to 2 eVaults can be programmed closed loop with the SolArk inverters. Otherwise use Open Loop settings. Ex. https://www.amazon.com/Tool-Less-KeystoneAMPCOM-Self-Locking-PunchDown/dp/B07JCSPX21/ Note: eFlex + eVaults purchased before March 2020 should omit the grounded communication wire #6. . . . 505 Keystone Rd, Southampton, PA 18966 (877) 497 6937 sales@fortresspower.com Fortresspower.com Rev 1.5 04-27-21 How To Set Up Fortress Power Lithium Batteries Using Sol-Ark Inverter 4. Plug the battery-to-inverter data cable onto either end of the battery communication daisy chain, and then into the appropriate data port on the SolArk inverter. Indoor 8kW RJ45/485 port RJ45 485 Indoor 12kW RS485/MOD port RS485 Outdoor 8kW + 12kW Battery / CANbus port Battery CANbus 5. Program the closed-loop inverter settings. In the battery set-up menu, select BMS 04 and Use %based controls. Disabling the BMS alarm is optional. Some settings will adjust automatically. Some settings (such as float, absorption, and equalization voltage) will adjust automatically after enabling closed loop communication successfully. . . . 505 Keystone Rd, Southampton, PA 18966 (877) 497 6937 sales@fortresspower.com Fortresspower.com Rev 1.5 04-27-21 How To Set Up Fortress Power Lithium Batteries Using Sol-Ark Inverter 6. Next steps: Verify the batteries are charging by looking at the eVault screen and confirming a positive charging amperage or confirming a blinking state of charge indicator light on the eFlex. Parallel batteries may show different levels of amperage when "balancing"' for the first time. Parallel batteries should be within 0.5V before commissioning in parallel. It may be necessary to charge or discharge the batteries individually until they are within 0.5V of each other. A blinking State of Charge Indicator Light confirms that the eFlex is charging. If the batteries are resting at 54.4V or showing a 100% SoC, but the status indicator lights are not full, adjust the float and absorb votlage to 55.5V for ~30 minutes under full sun. This will reset the state of charge indicator computer. Confirm successful closed-loop communication by clicking the lithium battery info button on the SolArk screen. Line #2 will be filled in with battery information (the other fields will be zero). Program the grid parameter settings as a function of the sitespecific electric rate structure and desired level of reserve capacity. Understand how to program these settings before visiting site. A 20% state of charge is around 51.2V-51.4V. A 95% charge is around 53.7V. A 100% charge is 54.4V resting. The default settings of Solark manual show taking the battery down to 49V. This is too low for Fortress batteries. Fortress batteries should only be intentionally discharged down to 20% SoC or 51.4V and then be recharged by available charging sources. Graphic is not for programming purposes. . . . 505 Keystone Rd, Southampton, PA 18966 (877) 497 6937 sales@fortresspower.com Fortresspower.comMicrosoft Word for Microsoft 365