Sol-Ark Integration Guide

2. Program the first 'Batt' tab:
Notes:
a) To run the batter without inverter communication, uncheck "BMS Lithium Batt 04" and select "Use Batt V charged",
such as during a calibration charge.
b) Enabling BMS Lithium Batt 04 will adjust some values and make other values unadjustable (like the temperature
coefficient above). Just ignore those values - the BMS is in control.
c) The eVault is a 9.2kW battery and the Sol-Ark is a 9kW inverter, resulting in a 1:1 ratio per the Fortress minimum
inverter sizing standards. If you have installed more inverters than batteries and exceeded this ratio, you must disable
"BMS Lithium battery 04" and enable "Use Batt-V based control".
d) If recovering a deep discharge battery, adjust the above charge amps to 10A.
3. Program the Charge tab in Battery Setup menu:
Notes:
a) If operating in "Use Lithium Batt V mode", set float to 54.4V and absorb to 55V.
b) You must select the gen or grid charge boxes to program grid or gen start triggers. Larger generators are commonly tied
into the grid side of the inverter rather than the dedicated generator input.
c) Fortress batteries may be discharged to its full rated capacity without voiding the warranty, but for best overall