Nick

 

  Thank you for doing this. I have been able to learn more. I did the original 
install 5 + years ago. Ac coupled system, has run great since installed. 
Replaced customers wet cells 1.5 years ago with a fortress evault and had 
Outback help with all of the programing while on site. System has been flawless 
until two days ago when the customer smelled smoke at 2 am in the morning.

 

  We thought the battery got hot and melted the container on top of the battery 
which in turn melted the conduit ( only one section, the other was fine ) 
running into the Radian. Pulled the lid off the battery and the insides were 
fine, including the BMS board I replaced last summer. No damage to the 
underside of the lid Re heat or ?? so I had the customer pull off the cover to 
the radian and the wires were intact and undamaged. Turns out one of the 
transformers/ power stages was burnt with lots of black soot all over it. So as 
of today it looks like the culprit is the radian. Headed up there next week to 
go over the whole system

 

  Any thoughts or ideas are welcome, please and thank you.

 

Peter

ASAE

 

From: Nick A Lucchese <luccheseso...@me.com> 
Sent: Tuesday, December 27, 2022 3:47 PM
To: RE-wrenches <re-wrenches@lists.re-wrenches.org>
Cc: pgir...@mindspring.com
Subject: Radian and Fortress incident

 

Greetings Peter,

 

I created a new subject line out William's previous “utility transformer” 
thread for your incident. Any more details surface about this installation? 
Eflex or Evault? Were all the settings programmed by yourself or someone else 
you trust? Installed to specifications provided by each manufacturer? Do you 
know if it was charging by PV controllers or the Radian at time of fire? One 
battery of an entire bank that failed? Physical connections appear to all be of 
full integrity? I’ve had a control board on a Radian completely melt and appear 
to have been on fire for a brief moment due to extended operation pushing 
current limits on the AC side but my experience with the Eflex has been great 
so far other than a minor firmware snag initially. Only reason I used it 
instead of Blue Ion was due to their lack of an exterior cabinet compared to 
the Eflex’s IP65 rating. Hope you can provide more details once you have time 
to fully investigate. Highly likely I will be responsible for both of these 
products on future projects.

 

Nick

 





On Dec 26, 2022, at 6:40 AM, Peter Giroux via RE-wrenches 
<re-wrenches@lists.re-wrenches.org <mailto:re-wrenches@lists.re-wrenches.org> > 
wrote:

 

Morning all. Just got a call from a customer with a radian and fortress battery 
that caught fire. Has anyone had any issues with either unit?? We have numerous 
systems with combos of both and no issues. System has been in place for well 
over a year, climate controlled garage and system has worked well. Did a BMS 
board replacement earlier this year.

 

  Any and all help appreciated.

 

Thank you

Peter Giroux

ASAE

 


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