[RE-wrenches] 2nd VFX3648 added to double charger rate

Mon Mar 21 16:46:17 EDT 2022

HI John
The last rev was rev 68 for the VFX3648 and could not be field updated. Replacing the control pcb was required for updates.
The older FX inverters could have mismatched firmware just make the Master inverter the newest inverter rev.
No special ports on the HUB.
The FXR inverters rev can be field updated and the port assignment on the Hub 10.3 is important.

From: RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org> On Behalf Of John Blittersdorf
Sent: Sunday, March 20, 2022 9:33 AM
To: RE-wrenches <re-wrenches at lists.re-wrenches.org>
Subject: Re: [RE-wrenches] 2nd VFX3648 added to double charger rate

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       I just checked my stock of control boards and just happen to have a new unopened in the box that is firmware #68, same as the new used inverter I installed.  I guess to be sure Outback wont have any other suggestions, I will install the new board.  I charged the customer enough for the used inverter to cover a control board.  First I will set the newer one as Master and his older one as slave to see if it makes any difference. In the description of the stacking configurations, There was no mention of Hub requirements. I assume with these older inverters the older Hub should be fine.   We ran lots of inverters at SolarFest with the old equipment.  I know we are not supposed to promote things on this list but SolarFest in Vermont will be in Brandon July 16-17.  SolarFest.org

On Sun, Mar 20, 2022 at 11:22 AM Kirk Herander <kirkh at vermont.solar<mailto:kirkh at vermont.solar>> wrote:
Do you have the proper hub 10.3 installed? And are the jumpers set correctly? Mate3S? it almost sounds like the slave is set in the Mate not to charge. And if not plugged into the correct hub port, stuff like this happens also. And the Mate3 might not work properly with newer inverters, as I remember.

On Sun, Mar 20, 2022 at 10:55 AM Sindelar Solar <Allan at sindelarsolar.com<mailto:Allan at sindelarsolar.com>> wrote:
John,
I've never faced your situation so can't address it directly. However, I don't think matching firmware requires replacing a control board. Can't you just update the firmware to the latest for that legacy product using a Mate3?
The firware for these should be available at https://www.outbackpower.com/resources-mobile/technical-support/firmware-updates/item/fxr-vfxr-series-firmware-archive<https://protect2.fireeye.com/v1/url?k=31323334-501d2dca-31313abf-454455534531-df266f930813270e&q=1&e=445d03a5-0d67-49dc-8b1a-f0ce2cf5d63a&u=https%3A%2F%2Fwww.outbackpower.com%2Fresources-mobile%2Ftechnical-support%2Ffirmware-updates%2Fitem%2Ffxr-vfxr-series-firmware-archive>
Allan
On 3/20/2022 8:14 AM, John Blittersdorf wrote:
Wrenches, I just added a 2nd VFX3648 stacked as SLAVE L1 to increase charging of his new eVault 18.5 from 12kw Kohler gen. It connects to the generator but doesn’t charge.  I read in the manual that both inverters must be the same firmware revision.  Once hooked up I found that the added inverter was rev #68 and the original one rev 61.  Would it be possible to switch which inverter is the master and have the newer one recognize the older one.? Otherwise is my only option to put a new control board in the original inverter? And possibly also in the new one.  Anyone know what the latest rev or last one was?

John Blittersdorf

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