Xantrex STXR 2500 UPG Sun Tie XR inverter
The inverter converts solar power into utility grade power that can be used by the home or sold to the utility company and it was priced at $3,000.00 in 2003,
This inverter had mosfets and its drivers burned out and was given to me from someone.
I replaced those components and would like to test it to see if the mosfets and drivers like their new turf.
There is a way to turn it on,1, 2, 3 steps.
1st 100amp single pole DC breaker, 2nd 100amp 2 pole DC breaker and 3rd 2 pole 15amp AC breaker which is tied to the live 220/240 ac volts in the house main breaker.
Since I don't have solar panels, I have a few of options.
Hook up 4-5 car batteries since it needs at least 50 volts DC or so the inverter senses some activity or turn it on in steps 1, 2, 3 w/o solar panels or batteries.
The question is if the inverter would be exposed to some danger if I do it either way?
Thanks in advance.