We have Multiplus 2612431, CCGX 2.20 in an off-grid setup 24 V, with diesel generator backup. CCGX shows menu for starting equalization procedure. The equalization setting in the Multiplus is *not* checked, as in the attached image. I have set the battery type to Rolls (we have Rolls 5000 series), not shown in the image.
The generator is running, started manually for 6 hours, no stop conditions set. Multiplus shows we are in absorption state, battery volts about 28.4 V. I need to equalize the cells so I started the process from the CCGX. Multiplus changes state so that bulk and absorption LEDS are flashing alternately, battery volts quickly falls to about 27.6. I leave the system in this state, assuming that battery volts will rise to eq volts, return in 2 hours to find that the Multiplus shows float state. Specific gravity of cells has not changed.
I thought that in eq mode the cell voltage should rise to minimum of 30 V and remain there for a couple of hours at least.
1. Cell volts didn't rise to eq voltage, so what haven't I done?
2. Should the Multiplus eq checkbox be set?
3. Does the BMV SOC influence the equalization procedure in any way? I had previously (a couple of days before) set the BMV SOC to 100% (ie pressing + and - buttons at the same time) although the cells were obviously not at 100%, sg was too low to confirm this. I did this because BMV was not showing SOC at all and I wanted to get CCGX to log solar data. My intention was to refresh the BMV SOC value after eq had finished, when I would know (measure) that cells were at sg 1.265.
