OutBack Power Technologies User Forum

Jgrantham wrote: ↑Mon Apr 19, 2021 8:46 pm Firmware 1.4.5
Auto Grid-Tie is disabled

I have multiple systems running same configuration with no issues.

It is anomalous data as it shows selling 2x the battery capacity with no change in V. What the cause is, I do not know.

Turns out my well is actually plastic I guess? For most wells the top 20-30 feet in our area is steel, with newer wells using PVC casing below that. They used to use PVC cement to bond the sections, but that creates some excitement when a spark ignites the contained vapors. Our local well driller, ...

Anybody have any insight on why the heck it looks like the system dumping a boat load of power back into the grid at midnight but the battery level doesn’t change and obviously no solar... I generator either. I’m baffled. Started showing this 3 nights in a row.... Check your firmware level on the M...

Southwire has some good phone apps for sizing wire, conduit fill, etc.

The FM100 AFCI has both Ground Fault and Arc Fault protection. Both of these NEC required features are to protect a structure from burning down versus personnel protection. So if the array is on a structure, you want to be careful given your remote location. The fuse is for the Ground Fault portion ...

Its more than enough to drive the charge controller and charge the battery to 60V if specs call for it. @raysun, unfortunately it is a 24V inverter. I hate this question, just so ya know, but want input before I yell. My proposal to them would be, give me your FM80 (time to upgrade your MX60) and b...

Are you using FLEXtime tab on the Mate3s to change the Radian's operating modes? If so what modes are you using? Should be Grid-Tied during non-peak charge period and Mini-Grid or GridZero during peak periods. On the Mate3s Global Charge tab, make sure to disable "Auto Grid Tie Control." I...

How is the system performing today? It is difficult to diagnose the issue with only a dashboard screenshot.

raysun wrote: ↑Mon Apr 12, 2021 3:36 pm Did you ground the drain wire?

no

...the conductor is not copper. For comparation I took the picture next to a proper CAT6 shielded cable. So will probably be the best to change all the cables between the HUB and devices, specially the ones from the inverters. Also just go for good quality shielded ones. My guess is the conductor i...

Your picture is of the FNDC's Relay tab. Nothing to do with your FM100s. My guess is that you are not using the FNDC relay and can ignore the yellow boxes or change them to the default values.

pss wrote: ↑Sun Apr 04, 2021 8:27 am Success!
With auto grid tie disabled, the system now performs ideally.

Congrats

Thats good to know. Someone should tell Outback. They wire the FlexPower panels with those breakers and bare wire. Granted, it isn't that fine welding wire, but cable made from what looks like 18GA strands. What tool do you recommend for 2/0 ferrules? I know that Outback uses ferrules on the pre-wi...

I use this kind a lot - it accepts bare wire. This particular one mounts on DIN rail which is cheap enough and more flexible than panel mounts. https://www.amazon.com/Midnite-Solar-Ci ... DC+&sr=1-2 As a word of caution, this type of screw terminal is not rated for fine stranded cable. If used,...

Then as the chargers complete their times, they can go into a SILENT mode in which case no PV is harvested in the bright sunshine. This SILENT mode as I understand it is the period of the timer being completed and then the voltage drop from ABSORB to FLOAT and FLOAT to RE-BULK or RE-FLOAT. The 3 ch...

I have seen reports of issues with that PCB assembly on the original Radians. Your right fan is only going to come on when the temps of the components are high enough to require the fan. It could be during your test, that the power being inverted did not require the right module or not enough power ...

Thanks for documenting the work around.

My "test system" performed as one would expect. Batteries dropped to 93% (during the Grid Zero time), used grid remainder of night and batteries were charged by PV first thing in the morning and then it started to sell. Attached are the printouts of the settings for Mate3s, FM100 and 8048A...

This is setup as 'vent fan' to vent the battery when the voltage reaches a certain level. (I think it is set to around 54v but I am away and cant double check) Set your voltage to 56.8V as this is approximately the voltage at which the batteries will start off-gassing hydrogen. At 54V your fans are...

To refresh, my system is GRID TIED SELL from 9 PM until 4 PM, then GRID ZERO from 4 PM to 9PM. My error on switching to MINIGrid from GRID ZERO on the "test system." I can report that both MINIGrid and GRID Zero with the charger enabled work as one would expect. I will switch the "te...

Short update, with "Charger Operating Mode" set to on, the system started selling first thing in the morning. I have now switched to off to more close match @pss's setup.

I put a system that matches your 8048A and Mate3s into Minigrid from 4pm to 8pm and Grid-Tied with offset the remainder of time. It is also on OpticsRE. If I forget to update you in a couple of days, send me a PM.

Ah, oops, from a long, long time back. As I mentioned the breaker has never tripped. But if it did it could be "lights out." I am guessing there is a margin of safety but its time to now shop for the appropriate breaker, now that it is in my sights. As they say it is not a problem until i...

from the comments I assume a 90ADC breaker and 2 gauge wire would be optimal. Hi Peter, your 4 gauge wire is adequate. Considering your use profile of only occasionally getting to 80+ amps, it is more than adequate. What is optimal is always a question of the cost/benefit ratio. A 2 gauge will give...

I have a system that I switched between grid-tied and mini-grid without selling being an issue but that system was charging from the grid at night. In OpticsRE for the inverter's AC input tab when "Grid Input Mode" is set to "grid tied," is the "offset enable" also set ...