[RE-wrenches] Trace Replacement?

[Ray]

Yea, I almost always replace the on board controller on the Anandas.  On 
some I might keep a small original array on it, but I always have large 
controller with 3 stage PWM going.

Ray Walters
Remote Solar
303 505-8760

On 10/8/18 8:22 AM, Bradley Bassett wrote:
> I have one of the first batch of Ananda with the Heinemann breakers. 
> I've used it with FX inverters and an XW inverter. Mating it up with 
> the FX was difficult, I ended up with an 8x8 gutter between them, and 
> 2" offsets on both sides. Using the conduit box on the XW was easy. 
> I'd expect using the conduit box on the Magnum would be 
> straightforward as well. If I were to try it with an FXR again I'd use 
> an FW250 as a conduit box. But definitely take out the Ananda charge 
> controls and convert to ones that match the new inverter. Unless 
> you're adding more solar that can do a good finish charge then the 
> on/off control for part of the array may be ok.
>
> Brad
> AEE Solar
>
> On Sun, Oct 7, 2018 at 6:02 PM Ray <ray at solarray.com 
> <mailto:ray at solarray.com>> wrote:
>
>     Greetings Esteemed Wrenches;
>
>     I have yet another customer whose 20+ yr old Trace SW inverter has
>     flown
>     off to inverter Nirvana.  I have replaced a few over the years and
>     never
>     quite solved the quandary of whether to replace the entire power
>     board,
>     or to retrofit a Magnum/ Outback in place of the SW, and keep the old
>     Trace DC enclosure.  In this particular case, he has a pair of SW
>     4024s
>     on an old Ananda power center. I'm considering taking the system
>     to 48 v
>     as well, since this will let us use the Magnum 4.4 kW inverters. 
>     This
>     however will also involve rewiring 20 yr old arrays of 50 and 75 watt
>     modules......
>     What is the consensus on the best replacement practices on these
>     legacy
>     systems?  I have several out there with the clock ticking down.  My
>     current idea is to just keep the Ananda and use Magnum's extension
>     boxes
>     to connect up the new MS 4448 inverters.  Its a tough call: I've
>     replaced a few single SW installs and reused the Trace DC
>     enclosure, and
>     cursed working in those tiny boxes.  In other cases, I've put up a
>     whole
>     new system, but wondered if that was over kill too.  It seems to be a
>     case of more field installation hours vs more equipment costs.
>
>     Sure be handy, if someone made an SW replacement kit, there are
>     still a
>     bunch of them out there.
>
>     As always, thanks for all your comments and ideas,
>
>     -- 
>     Ray Walters
>     Remote Solar
>     303 505-8760
>
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