Re: [RE-wrenches] Testing strings with Tigo

2023-07-06 Thread Nick A Lucchese via RE-wrenches
Good morning William, Yes there are a couple new things to learn when working with these RS units. I’ve done a few now, the most recent three with the same controllers as you and Dave. I am assuming the wording about being terminated at the inverter can also be understood as having landed the

Re: [RE-wrenches] Testing strings with Tigo

2023-07-06 Thread Dave Tedeyan via RE-wrenches
Hi William, I recently installed these connected to an FM100, and also on a couple grid tied systems in the past year. I think that as long as you are getting the expected 0.6V per module you know that everything is connected as it should be. Unfortunately I do not think that you will be able to d

[RE-wrenches] Testing strings with Tigo

2023-07-05 Thread William Miller via RE-wrenches
Friends: We are in the midst of our first off-grid, DC coupled project using Tigo TS4-A-F RSS switches. In my few years installing solar I am accustomed to testing PV strings with a Fluke 87 for Voc, Isc, Vmp and Imp, or some combination. I do this regularly in the midst of installing PV so