Recent content by colinf

Hi all, I have a client that has a Deye 5K inverter, connected to 6kW of panels with a Narada 48NPFC100 battery. They also have a 6kW generator installed as a backup to the system which is occasionally run through the night if there is a cloudy afternoon (as the battery capacity is quite low...

These are exactly what I was after, but I'm curious about your recommendation for the 12K model regarding the fans? It seems like the 5K suits the needs of the project - does the 12K have more accessible fans? Absolutely beginning to realize how pervasive salt is through absolutely every corner...

Thanks! I think I can assume there are some parts which are much more susceptible to corrosion based on looking at what went bad in the current inverters (just based on the heat and airflow within the inverter). And something is better than nothing. It definitely seems like a big task to try...

System is 2x Growatt SPF 3000TL LVM in parallel, with single Narada 48NPFC100 and approx 6kW of panels. I recently installed a system within 50m of the sea. It's in the Caribbean so we knew that overheating is also a challenge as temperature is consistently 30°C+, as a result we installed the...

I have a setup for a client which has 2x Growatt SPF 3000TL LVM connected together, communicating in split phase. These are connected to a single Narada 48NPFC100 battery. I am aware this is a non-standard setup and has little battery power for the amount of incoming solar, but this was the...

With which kind of Growatt? I'm aware Voc is a hard limit. They were 3s4p, Voc of my panels is 49.1 which puts Voc of the array at 147.3. System failed quite spectacularly after about 3 days when we hard the first hard sun. I live in the tropics in a fairly sunny area so the panels are truly...

GROWATT SOLAR LIMITS ARE HARD LIMITS!!! Hopefully you haven't already bought this setup. I learned this the hard way. I had a Growatt 4000T SPF-DVM and attached 12x 530W panels to it. 27% more than the maximum solar of 5000W mentioned in the datasheet. This completely melted the solar input...

Hey! I am having major problems with my growatt 4000T with narada batteries. Specifically the Overvoltage issue. It is causing spikes up to 60V on the battery side. Did you manage to solve this issue??

Hi, I have a Growatt SPF-DVM 6000T in a very off-grid location (rural northern Colombia) with 4050W of panel input. We had a washing machine which completely failed a few months ago and have recently bought a replacement washing machine (Haceb 9002542) which claims to have a nominal motor...

Understood, but then what benefit does having a separate grounding electrode at the far side of the site hold, if it is bonded directly back to the earth busbar in the main AC panel?

I have a fully offgrid system powered primarily by a Growatt SPF-DVM 4000T. The system powers a large site with multiple cabins on the AC side. The inverter unit is located directly next to the panels with a buried grounding electrode. All solar panels and equipment housings are bonded and there...