[RE-wrenches] Suspect MX 60

[Jerry Shafer]

At this time so much has changed i would do nothing. I have not had any
issues with OB like this since the introduction. I have had boil outs but
always due to incorrect settings or defective auto water refillers. How
offen was the water checked.
On Nov 18, 2014 7:16 AM, "Drake" <drake.chamberlin at redwoodalliance.org>
wrote:

>  Hello Wrenches,
>
> An MX 60 boiled a 24 volt bank of 4 Trojan L-16 batteries last summer. The
> batteries all checked out to be in good shape. It is not totally clear that
> the CC was not set to auto equalize, but the EQ voltage was only set at
> 31.0 V.
>
> The battery bank has been replaced by 8 Full River L-16 AGM batteries. The
> parameters have all been reset for AGM with EQ disabled. The homeowners are
> concerned that the charge control may not work, and damage their new
> battery bank.
>
> If there is a problem with the CC, it is very intermittent. Has anyone
> ever seen an intermittent MX 60?
>
> Outback tech support says if we send it in they will update the firmware
> for $90, and do a 24 hour bench test. It appears that the firmware update
> will not do anything useful for this off grid system. There are no new
> boards available for this unit. I'm not sure if the bench test will show up
> an intermittent problem.
>
> Has anyone had this situation before?  Would it be better to:
>
>    - Replace the CC
>    - Send the CC to Outback
>    - Do nothing
>
> Thank you,
>
> Drake
>
> Drake Chamberlin
>
>
>
>
>
> *Athens Electric LLC OH License 44810 CO License 3773 NABCEP Certified
> Solar PV 740-448-7328 <740-448-7328> *http://athens-electric.com/
>
>
>
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