[RE-wrenches] Outback VFX upgrade question

[John Blittersdorf]

Todd,
      So is it that the control board and FET board are voltage specific,
control board also grid tie or off grid specific, AC board common to all
and Transformer common to all?  I was unsure about the transformer as I
have found most that I see with some indication of voltage written on the
transformer.  Probably notes to the reassembler?  It makes sense that all
120vac inverters would have the same transformer.  This is a good thread to
clear up how simple it is to mix And match at your pleasure to make what
you need from the retired FX Series inverters.  I’ve been buying new boards
Fron Zonna. Are there other sources?


On Mon, Mar 9, 2020 at 11:28 AM <toddcory at finestplanet.com> wrote:

> I wrote to Allan off list, but will mention my suggestion here for others
> too. Outback still makes and sells the 3 circuit boards for the FX series
> of inverters (i just bought a spare set for our GVFX3648 for ~$800.00).
>
> Changing 2 of the 3 cards would make this into a 48 volt inverter. The
> same mate would work with this and as well as the mounts and wiring. only
> the batteries would need changing to 48 volts. The cost would be around
> $500.00.
>
>
>
> Todd
>
>
>
>
>
>
>
> On Monday, March 9, 2020 4:23am, "John Blittersdorf" <
> john.blittersdorf at gmail.com> said:
>
> Alan,
>   It appears to me that everyone miss read your question.  If your
> customer does not need a generator, then his solar charge controller needs
> to be able to be set up for the lithium battery voltage settings.  So the
> inverter simply needs to be 48 volts and has nothing to do with charging
> battery.  You could use any 48 volt inverter and use the MATE. The inverter
> would only provide LBCO to protect the battery.  As far as a used VFX 3648
> contact me off list.
> John Blittersdorf
>
> On Sat, Mar 7, 2020 at 8:20 PM Sindelar Solar <Allan at sindelarsolar.com>
> wrote:
>
>> Wrenches,
>>
>> I have a client who is looking at upgrading an older off grid system that
>> has an Outback VFX3524 inverter to 48Vnom in order to use a Blue Ion
>> LiFePo battery. I installed the VFX about ten years ago and it has worked
>> without any issues. The client has never had a generator and has enough
>> array to equalize his FLA batteries with array only, so has never had or
>> needed a Mate. If I upgrade to 48V with a new inverter, it will most likely
>> be an FXR3048. First question: Can I use an original Mate (rather than a
>> Mate3) to set up basic programming with a R series inverter, such as
>> charger and LBCO settings? Second: anyone have an older FX3048 or VFX3648
>> for sale, if the answer to the first question is no?
>>
>> Thank you,
>>
>> Allan
>> --
>>
>> *Allan Sindelar*
>> allan at sindelarsolar.com
>> NABCEP Certified PV Installation Professional
>> New Mexico EE98J Journeyman Electrician
>> Founder (Retired), Positive Energy, Inc.
>> *505 780-2738 cell*
>>
>>
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