Older firmware for Schneider Conext SW2524

ximma
ximma Registered Users Posts: 3 ✭
in Off Grid Solar & Battery Systems #1
Hi Guys,
I'm planning to install two inverters Schneider Conext SW2524 230V 865-2524-61 in a stacked (parallel) configuration.
The latest firmware version 3.11 doesn't support this mode, causing F72 error.
Can't find older firmware versions before 2018.
Can someone share older firmware for SW2524 230V versions 3.09, 3.07, or 3.04?
Thank you very much in advance!
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  • Dave Angelini
    Dave Angelini Solar Expert Posts: 7,091 ✭✭✭✭✭✭
    #2
    You can not stack the csw's !!!  They will be damaged!  Search the forum here for more on this  !
    "we go where power lines don't" Sierra Nevada mountain area
       htps://offgridsolar1.com/
    E-mail offgridsolar@sti.net

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  • ximma
    ximma Registered Users Posts: 3 ✭
    #3
    As far as I know, there were no issues with parallel connection until 2018, and the recommendation about the impossibility of this appeared simultaneously with the new firmware 3.11
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  • Dave Angelini
    Dave Angelini Solar Expert Posts: 7,091 ✭✭✭✭✭✭
    #4
    There were not many CSW's out there early on in it's life in 2014 or so. I only used them for a cheap back-up to an XW. Never needed one!  

    Known Issues and Expert Warnings  ( Schneider warning not to Stack CSW )
    Many installers and users on the NAZ Solar Electric Forum and DIY Solar Power Forum advise against stacking the CSW
     due to: 
    • Frequent Faults: Common errors include "AC Association" faults and "AC Over Current" warnings even under light loads.
    • Hardware Risks: There have been reports of units being permanently damaged during the initial synchronization or when one unit fails, potentially harming the other.
    • Alternative: Experts generally recommend upgrading to the Schneider Conext XW series if you need a reliable, scalable system, as the XW is designed for high-capacity clustering and remains fully supported. 
    "we go where power lines don't" Sierra Nevada mountain area
       htps://offgridsolar1.com/
    E-mail offgridsolar@sti.net

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  • ximma
    ximma Registered Users Posts: 3 ✭
    #5
    I think all known issues and warnings were only with latest firmwares and new features. That's why I'm asking for help finding older firmware versions. Here's an example of successful parallel operation -> https://www.youtube.com/watch?v=zP8gU0--Ud8
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