SPR-4000x Inverter Problem?

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  • chevy87tough
    Junior Member
    • Jun 2011
    • 7
    #16
    One more question. Does it have to see a specific amperage from the solar panels?

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      • Mike90250
        Moderator
        • May 2009
        • 16020
        #17
        Originally posted by chevy87tough
        One more question. Does it have to see a specific amperage from the solar panels?
        Maybe only 1/2 amp to wake up and run, It's MPPT system is supposed to track and harvest available power, without collapsing the array. 355V @ .5A = 177.5watts, so if you have reached the minimum Turn On voltage, it should be running.
        Powerfab top of pole PV mount (2) | 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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          • LucMan
            Solar Fanatic
            • Jul 2010
            • 626
            #18
            If the inverters are SMA there is a jumper that has to be removed if the utility side is wired without a neutral connected to the inverter (240 with ground 3 wire cable). They come configured to have the neutral connected.( 4 conductor cable )

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