I have my growatt 5000es setup like you describe. Check out my diagram I posted. I am trying to get it verified, so use at your own risk. Any questions on inverter settings, let me know. I can send you what mine is set to, and what settings do.Hi,
Sorry for a completely newb question but could someone please help me find a wiring diagram for how to connect the Growatt SPF 5000 ES to Utility Grid and set it to zero export?
Thank you. Finally someone who made it simple. I am running 2 in parallel with an auto transformer. I haven't installed yet but plan on doing most of the wiring this week before I do the final connections to the main panel. Just going to run my heat pump, water heater and fridge on it until I get more panels and another inverter.Ground 1 and 2. Auto transformer forms neutral and 120 legs on my sub panel thru 30 amp breaker, leg 1/2 50 amp breaker in sub. then I hooked subs neutral back to mains ground/neutral bar along with subs ground bar to mains neutral/ground bar. Ground and neutral are separate in sub , rejoin in main. 50 amp breaker was the first in line then 30 amp. seems to be working for me. I am running solar and grid pass thru no battery yet.
Some days when sub panel is loaded some and the main has 0-50 watts only I see my sense monitor showing 0 watts (I have a leach load always on at around 47 watts) and my meter runs ever so slowly backwards. Think this is due to lack of batteries installed. I'm no expert and I may not have this right, but running and looks good. I think I have it right. If someone else know I'm wrong please inform me of my error. Hope this helps a little.
Are you running an auyo transformer for your Neutral? Either way, go ahead and bond your grounds to Neutral.I don't have my sub panel ground and neutral bonded till it is in the main breaker box. I'm not quite sure if that is the right way to do it. If anyone can answer that for me I would appreciate it please.
A subpanel on your main grid panel should not be bonded. Neutral and ground are brought across and on separate busses, if in a detached building the sub panel needs its own grounding rod, but remains unbonded.I don't have my sub panel ground and neutral bonded till it is in the main breaker box. I'm not quite sure if that is the right way to do it. If anyone can answer that for me I would appreciate it please.
I think this still brings up a bunch of questions.The only common connection from the grid, through the Growatt and to that secondary panel is a ground.
CCat, Why do you have 2 midpoint transformers. One is all that is needed to split the 240v into two 120v. David Poz has a good you-tube explaining this. OR am I missing something. I'm new to this, but trying to learn.
A good source of information about grounding can be found on these videos by Mike Holt.A subpanel on your main grid panel should not be bonded. Neutral and ground are brought across and on separate busses, if in a detached building the sub panel needs its own grounding rod, but remains unbonded.