RV Plugged in to AC - Want to Prioritize PV and DC inverted power to specified SOC or Voltage

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tr0y
tr0y Solar Expert Posts: 99 ✭✭✭
in Caravan, Recreational Vehicle, and Marine Power Systems #1
Hi All - 

I have a reasonably stout power system in my RV, 1600W of PV panels, Midnite classic 150 CC, Victron 24/3000 inverter 450Ah @ 24V of Lithium based battery, and the miscellaneous other parts to make it work. 

As summer kicks in in the southwest it is getting hot and AirCon is a must. With my system I can run the AirCon for about 8 hours from 90% SOC to about 35% SOC in my battery bank, and then I want the AC power I am tied to to kick in and start running AirCon and other AC loads and if there is amperage left over start charging batteries. 

Victron as a supplier is AWFUL at helping customers, we might as well not exist; they push you to a dealer that may or may not be helpful. So I am reaching out to the community for suggestions, maybe someone has some Victron experience ? I have RTFM, and it was not much help. I would be grateful for the knowledge and insight this great community might have.

Cheers !  
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  • mike95490
    mike95490 Solar Expert Posts: 9,583 ✭✭✭✭✭
    #2
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    if you have grid/shore power, isn't it cheaper than cycling your batteries ?
    Powerfab top of pole PV mount | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
    || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
    || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

    solar: http://tinyurl.com/LMR-Solar
    gen: http://tinyurl.com/LMR-Lister ,

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  • tr0y
    tr0y Solar Expert Posts: 99 ✭✭✭
    #3
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    @mike95490, Honestly I haven't done the math, but it probably is cheaper to just grab grid power. Now look what you have done, I have to do math... 

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