uDuWaR Posted March 29, 2022 Posted March 29, 2022 (edited) Hi All I am complete newbie to the inverter, battery PV Environment and would like some commentary around inverter choice, suppliers and a few other questions. A reasonable amount of research has been to come to the below. 1st a little information: I will be moving to an area that has had a few years of unstable power and as we all know Eskom is not the most reliable. Both my wife and I work from home and require longer than a laptop battery's up time. Networking equipment is already UPS'ed for 10+ Hours. My initial budget is around R30K and I would like to future proof the system to add in solar, additional storage and inverter. I will initially manually manage the house load to below 5KW and we use about 450 KWh's a month. The title, I am considering a either a Growatt 5000ES from GCSolar or a Solar Select LuxPower SNA5000 from inverter-warehouse. SNA is slightly cheaper. Having read both manuals, the SNA seems to have slightly higher stats (2*Mppt's, Higher PV wattage/amp, Generator input and grid feedback?) Does anyone have and experience with this inverter? Reliability, Ease of config, Local warrantee? The Growatt does seem to be quite popular so support issues are a little easily trouble-shooted. Are there any particular reasons why the suppliers should be avoided? Both units require an external wifi card, but the LuxPower has an App for easy monitoring? These dongles need to be purchased separately? Battery. I am pretty much settled on a PylonTech US3000C 3.5KW, Good price from either supplier, 10 Year Warentee, expandable to more/other PylonTech units. Supported by the inverters. The only other equipment I have spec'd for is the PK PYLON LV for C Battery Cable. I am planning on wiring the system into the house. This is where I am a little fuzzy on details, but will hazard some guesses. The Inverter needs to sit between the mains and the house load. A breaker/box is required to isolate the house from the Inverter, what amperage? Does the battery require the same? Can I just get an electrician just to sign off on the COC? Any other comments/feedback please don't hesitate. uDDers Edited March 29, 2022 by uDuWaR Quote
Buyeye Posted March 29, 2022 Posted March 29, 2022 I have the growatt, it is a solid machine with CAN communication to my dyness batteries. But it has one mppt. 2 mppt's is better than one because it allows you to have 2 strings facing different directions. Both are offgrid inverters with the ability to use the grid if needed. If you have a large roof area facing north then the growatt is fine, if you need east west split for your panels then the luxpowertec is better. Both are great choices and you won't go wrong with either. hoohloc 1 Quote
ZakS Posted June 1, 2022 Posted June 1, 2022 How noisy are these inverters? I'm considering the same inverters, just not sure if they will be suitable inside an apartment. I'll be skipping the solar panels for the foreseeable future, just running off Eskom and battery. Quote
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