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Should unplug the battery

  • 07-01-2022 12:15AM
    #1
    borus22222
    Registered Users, Registered Users 2 Posts: 109 ✭✭


    I have 14*330 PV panels installed, with Solis 5kw inverter and 4kw battery BYD.

    All is working well but I'm one of those fortunate who still have old meter which turns back. In that case, would it make sense to just unplug the battery to save it performance until we get the smart meter forced on us?


    I have a plug in hybrid so i usually use more then produce anyway.


    If yes - anyone would be able to guide me through this process?


    B



Comments

  • #2
    poker--addict
    Registered Users, Registered Users 2 Posts: 1,859 ✭✭✭poker--addict


    off topic, how do i know if my meter would turn back or not?

    😎



  • #3
    borus22222
    Registered Users, Registered Users 2 Posts: 109 ✭✭borus22222


    It's old black one and when producing more then i can use disc is turing back



  • #4
    yankinlk
    Registered Users, Registered Users 2 Posts: 2,817 ✭✭✭yankinlk


    https://www.boards.ie/discussion/comment/118430744#Comment_118430744
    20210901_151404.jpg

    it looks like this! This was my old meter that went in reverse.



  • #5
    graememk
    Moderators, Home & Garden Moderators Posts: 7,066 Mod ✭✭✭✭graememk


    https://www.boards.ie/discussion/comment/118431557#Comment_118431557

    There's a "cog and ratchet" symbol on slightly newer meters like that (non digital) that don't go back.


    Also to answer op, charge your battery to 60-70% and just turn off the isolator to the battery. But yeah you're right, you've a perfect battery in the grid.



  • #6
    reklamos
    Registered Users, Registered Users 2 Posts: 793 ✭✭✭reklamos


    https://www.boards.ie/discussion/comment/118431808#Comment_118431808

    Before turning the isolator change on Solis to no battery otherwise you will get errors. The procedure is somewhere in the forum as someone already asked about this not long ago.



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  • #7
    yankinlk
    Registered Users, Registered Users 2 Posts: 2,817 ✭✭✭yankinlk


    https://www.boards.ie/discussion/comment/118431808#Comment_118431808

    You can see the cog and ratchet on my one actually - above the black arrow. I took a video when i first installed... it did go backwards - but maybe it didnt go back much to be honest. It was only October and i was still filling battery mostly - only rarely giving back to the grid.

    I swapped for a DN meter as soon as i could to take advantage of night rate charging.



  • #8
    graememk
    Moderators, Home & Garden Moderators Posts: 7,066 Mod ✭✭✭✭graememk


    https://www.boards.ie/discussion/comment/118431888#Comment_118431888

    Oh, yeah thought that's what the cog and ratchet meant!.



  • #9
    borus22222
    Registered Users, Registered Users 2 Posts: 109 ✭✭borus22222


    https://www.boards.ie/discussion/comment/118431873#Comment_118431873

    Hi, thank you for your advice. Searched through the forum for that procedure but couldn't find it. Any chance you can advise on how to :

    1. Charge the battery to 60-70%
    2. Unplug the battery and required procedure on the inverter itselft

    I'm a structural engineer - can offer some structural advice in return.


    B



  • #10
    reklamos
    Registered Users, Registered Users 2 Posts: 793 ✭✭✭reklamos



    https://www.boards.ie/discussion/comment/118432143#Comment_118432143

    1. Set SOC to 60%(can ignore this if you eyeball when it reaches 60% and disable battery:

    Advanced settings>0010>storage energy set>storage mode select>backup>on>set soc 60%

    2. Charge the battery:

    Advanced settings>0010>storage energy set>storage mode select>sefl use>on>charging from grid>allow

    Advanced settings>0010>storage energy set>storage mode select>sefl use>on>time of use>

    Optimal income: run

    Charge limit: 40A

    Dicharge limit: 0A

    Set charge time when you want to charge it. Make it so total time is 1hour. Depending on o your current Soc stat it shoul bring it above 50%.

    3. Disable the battery.

    Once the battery is charged you can disable it. Now if for some reason it gets fully charged then let it sit and drop to 50-60%(if you did step 1 you can leave it and it should not drop below 60%)

    Advanced settings>0010>storage energy set>battery select>change to 'no battery'(make a note of the setting that is has before changing as you will need to reverse it)

    Advanced settings>0010>storage energy set>storage mode select>sefl use>on>time of use>

    Optimal income: stop

    If all went well you should no longer see the battery in the main screen.

    Power off the battery. If all is ok you should not get any alarms when you do that.



  • #11
    borus22222
    Registered Users, Registered Users 2 Posts: 109 ✭✭borus22222


    https://www.boards.ie/discussion/comment/118433220#Comment_118433220

    Legend! Thank you



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