[RE-wrenches] [SMA sunnydesignweb no longer showing TS4 as an adder

Fri Mar 12 17:42:22 EST 2021

Scot – As stated in the article (from July 2019) that Jeremy linked to, this recall was to correct an issue with the TS4-R-F units to ensure compliance with SunSpec standard.  Luckily the issue was caught right at product launch. Much of the stock was able to be intercepted at our warehouses and the issue rectified before customer delivery.

All stock of this SMA TS4-R-F device has been sold. SMA now maintains an “SMA compatible” SunSpec certified rapid shutdown receiver list – these are the only approved devices for use with SMA America residential and commercial inverters if using SunSpec for rapid shutdown compliance.

The list can be found on the SMA America website here: https://files.sma.de/downloads/SunSpec-Kompatibilitaet-TI-en-11.pdf

The other two devices on the above list (besides the SMA TS4-R-F-42) are commercially available and have been tested by SMA to ensure the SunSpec shutdown functionality does not interfere with any other operational or safety function of either the Sunny Boy US-41 or CORE1 US-41 inverter lines.  Both of these inverter families have a SunSpec certified rapid shutdown transmitter built into them, allowing straightforward code compliance with an easy install while providing a reliable system.

And related to the original inquiry, SMA did remove the module level devices as part of the Sunny Design program as a streamlining of the design steps.

Thanks!
Mike

SMA America
Michael Mahon
Technical Trainer, Solar Academy
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From: RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org> On Behalf Of Jeremy Coxon
Sent: Wednesday, March 10, 2021 5:17 PM
To: RE-wrenches <re-wrenches at lists.re-wrenches.org>
Subject: Re: [RE-wrenches] [SMA sunnydesignweb no longer showing TS4 as an adder

https://www.solarpowerworldonline.com/2019/07/sma-recalls-ts4-r-f-42-rapid-shutdown-device/<https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.solarpowerworldonline.com%2F2019%2F07%2Fsma-recalls-ts4-r-f-42-rapid-shutdown-device%2F&data=04%7C01%7Cmichael.mahon%40sma-america.com%7C176ba386291a4ab7fe6d08d8e422f9f8%7Ca059b96c28294d1188374cc1ff84735d%7C0%7C1%7C637510186176629104%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=nQDckM8oMupjO7nwkSicU4sCgfL6jaTss2h6lszWyyU%3D&reserved=0>
Jeremy Coxon NABCEP
Certified MWBE

Sent from my iPhone

On Mar 10, 2021, at 3:12 PM, scot.arey at solarcentex.com<mailto:scot.arey at solarcentex.com> wrote:

Recall on Tigo TS4???

I missed that. Yikes.

Scot Arey

From: RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org<mailto:re-wrenches-bounces at lists.re-wrenches.org>> On Behalf Of Jeremy Coxon
Sent: Wednesday, March 10, 2021 1:34 PM
To: RE-wrenches <re-wrenches at lists.re-wrenches.org<mailto:re-wrenches at lists.re-wrenches.org>>
Subject: [RE-wrenches] SMA sunnydesignweb no longer showing TS4 as an adder

It’s been a couple of months since I was on SMA’s sunnydesignweb portal -  I just noticed that they have removed the option to add rapid shutdown using TS4.  Anyone have any insight into this?  I’m guessing that since SMA is Sunspec and there was a recall on SMA branded Tigo TS4’s they decided to go RSD agnostic?

What are you guys doing for RSD on SMA resi systems?
,
Jeremy Coxon NABCEP # 091308-21
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