diy solar

diy solar

New EG4 8K spilt phase inverter

Subdood

Photon Wrangler
Joined
Mar 27, 2022
Messages
554
Location
NE Kentucky
Was on the Signature Solar site today and saw this new split phase inverter they're about to release. Based on its shape, the glands on the bottom and DC disconnect, it looks quite a bit like a copy of a Deye 8K inverter. It has a DC disconnect, CT's, and has several UL certifications. It has four 500V PV inputs, up to 12kW total. Also has a similar look to the Sol-Ark 5K 1P that was recently released.

 
Last edited:
Yeah, that's what it looks like after I checked their site. So, are Megarevo's (and this new EG4) approved for grid tie?
This is the first time I've ever seen Hawaii Rule 14H listed, makes me wonder if anybody has ever installed one here. HELCO is notoriously bad for accepting equipment, multi-year permitting delays, etc.

But I don't care about grid tie, what's the idle consumption?
 
I didn't see anything mentioned about AC coupling.
Hopefully, it's a feature.
Sol-Ark needs competition.
Competitive pricing is great for the consumer.
 
I just got an email from SS, looks like they just put this model on sale, going for $2799.
 
I have a newbie question. If it’s says 8k split phase does the inverter deliver 8k watts per leg?
 
Features questions:
  • ...
  • 200A pass-through?
I am not a solar expert but did my best to review the Spec Sheet & the User Guide & it to me it looks like it supports / recommends:

190A Charging/Discharging DC Current with Batteries (with 200A breaker);
33.3A Nominal AC Current Output to Grid (with 40A breaker);
36.7A Maximum AC Current Output to Grid (with 40A breaker);
40A breaker for the input from the Grid;

Both Load1 & Load2 recommend 40A breakers & it designates that Load1 is for "Critical Loads". I believe the guide is saying that Load2 will have it's power cut if the CTs detect that the Grid is down. I believe it is saying that Load1 will have power both whether the Grid is up or down (the wording could be better).

I don't see anything about a 200A pass-through. With the above info it looks like it at most can have 40A coming in from the grid & 40A out per Load breaker & the inverter is designed for 33.3 Amps (maximum 36.7Amps) Output & I assume that is spread across Load1 & Load2...

Hopefully the 36.7Amps available are prioritized to the Critical Loads on Load1 & any excess power available from Solar (after batteries are fully charged & Load1 demands fulfilled) then goes out to Load2 to the main house breakers to feed the rest of the house (or out the grid if the non-critical house loads are fully met).

I didn't see anything in the guide about zero export settings or other advanced settings.
 
Last edited:
then goes out to Load2 to the main house breakers to feed the rest of the house (or out the grid if the non-critical house loads are fully met).
My understanding atm is that the main house breakers (main panel) power is supplied by the the bidirectional AC input of the inverter. Not from the Load2.
 
My understanding atm is that the main house breakers (main panel) power is supplied by the the bidirectional AC input of the inverter. Not from the Load2.
That would be great to confirm & know for sure whether the Grid line to the inverter is bi-directional. I am not an expert on this stuff & was assuming that Load2 was back to the main panel. If the grid line is bidirectional & the Load2 goes down when the grid is down then I am not sure what the recommended/typical use cases are for the Load2 output...
 
I think I remember reading Load2 is for a smart load but the inverter atm is not capable of doing it.
 
Back
Top