David, Ray:
I have not had any problems with the Tigo RSS equipment I have installed and I have had minimal problems with optimizers and micro-inverters (which are also RSS equipment). Apparently others have had failures. We don’t know statically how serious this problem is—the posts here are purely anecdotal. We also have not heard from the other side of the debate: the fire fighters. Based on lack of verifiable information I can not personally conclude that RSS is all problem and no benefit. To declare that the concept is flawed because the equipment available is not reliable is like saying we should not be required to install airbags because a bad batch of them was manufactured. We are seeing problems with the equipment needed to implement a safety requirement. That observation does not logically conclude the safety requirement is not valuable. I hesitate to dismiss any safety requirement out of hand. Safety systems are designed to save lives and protect from injury, and most of them do. I am glad to have anti-lock brakes, smoke detectors and air bags. I have also found it quite handy to initiate RSS to allow me to work more safely on solar circuits. Does anyone on this installers forum have contacts in the fire-response community that can comment on the their side of the issue? If RSD is really necessary for safety, then I will do my best to install good equipment properly and hold manufacturers accountable for shoddy solutions. If RSD is not that effective we need to discuss undoing the code requirements. Sincerely, William Miller Miller Solar 17395 Oak Road, Atascadero, CA 93422 805-438-5600 www.millersolar.com CA Lic. 773985 *From:* RE-wrenches [mailto:[email protected]] *On Behalf Of *david quattro via RE-wrenches *Sent:* Saturday, February 15, 2025 6:05 AM *To:* RE-wrenches *Cc:* david quattro *Subject:* Re: [RE-wrenches] Tigo inverter experience RSD is the worst thing to happen to solar. Has anyone considered civil disobedience? I wonder what would happen if all the installers banded together and refused, as a united industry ‘brotherhood.’ WE are the ones stuck with the bullshit in the aftermath. I’m not being snarky here , this a genuine question to the group: Does anyone have *good* experience with RSD? i.e. you’re really glad RSD was there, and you genuinely feel safer? you’re glad and happy to comply with this code and you look forward to continuing to use RSD for the rest of your career? On Fri, Feb 14, 2025 at 3:40 PM Ray Walters via RE-wrenches < [email protected]> wrote: it seems silly that we are required to install these extra pieces of equipment for added "safety", that are actually a fire hazard on the roof. Just to survey again: how many homes have been saved by RSD? How many fire fighters have actually actuated the RSD system, so that they could hack through the array to vent the roof? I think it should only be required if you have covered so much of the roof with PV, that the fire dept can't access uncovered roof to do their venting. The whole premise of RSD is flawed. IMHO, its just another effort to block the wider adoption of solar. When it comes to off grid, RSD causes such a decrease in reliability to amount to a decrease in safety, due to possible loss of communications, water, and heat. Add the fire hazard and RSD is really not making our customers' lives better. Ray Walters Remote Solar
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