[RE-wrenches] SolArk and Tigo compatibility

Kent kent at coveoregon.com
Wed Nov 16 10:38:01 PST 2022 

As of the March 2022 manuals there are contradictory statements:

  * (+15, -16) 12V power supply for RSD transmitters: such as TIGO and
    Midnite Rated for a maximum of 1.2W (100mA @12V)

and

  * TIGO Optimizers are compatible with the Sol-Ark 8K (Do not use the
    built in 12V Power supply in the Sol-Ark user area to Power the Tigo
    Optimizer TX transmitter)

Why use Tigo as an example for the pins purpose in one location and then 
say don't use them do it in another?

Kent Osterberg
Blue Mountain Solar

On 11/16/2022 9:38 AM, Nick A Lucchese via RE-wrenches wrote:
> All, I believe what Chris is referring to is something I was initially 
> confused on during a Solark install I was involved with last year. 
> Uncertain if the manual has changed but in the Solark 12k manual dated 
> April 2, 2021 on page 23 it has a line saying-
>
> Note: Tigo Optimizers are compatible with the Sol-Ark 12k (Do not use 
> the built in 12v Power supply in the Sol-Ark user area to power the 
> Tigo Optimizer TX transmitter)
>
> I too had to confirm with Sol-Ark to clarify these details. I’ve not 
> looked at any of their newer manuals to see if some of these notes 
> have changed.
>
> Enjoy your day, Nick
>
>
>
>> On Nov 16, 2022, at 8:41 AM, Chris Sparadeo via RE-wrenches 
>> <re-wrenches at lists.re-wrenches.org> wrote:
>>
>> Hi Chris,
>>
>> I echo Ronald’s experience. I wasn’t aware of any memo from Sol Ark 
>> suggesting pins 15 and 16 should not be used for the Tigo RSS 
>> Transmitter. The 12K and 15K manuals both refrence a 12vdc RSS 
>> transmitter to achieve rapid shut down.
>>
>> Best,
>>
>> Chris
>>
>> On Wed, Nov 16, 2022 at 11:21 AM Roland - RES via RE-wrenches 
>> <re-wrenches at lists.re-wrenches.org> wrote:
>>
>>     Aloha Chris,
>>
>>     We have numerous Sol-Ark systems with Tigo TS4Fs where we have
>>     the transmitter wired to the 12v supply of the inverter, with no
>>     issues to date.
>>
>>>     Sent from a IPhone, with touch screen keys on the fly. Please
>>>     excuse shortcuts and typos. 
>>>
>>     Roland Shackelford
>>     NABCEP CERTIFIED PV INSTALLER
>>     President
>>     Renewable Energy Services (RES), Inc.
>>     Mobile: _808-938-9239 <http://808-938-9239/>_
>>     www.renewablenergy.com <http://www.renewablenergy.com/>
>>
>>>     On Nov 16, 2022, at 4:33 AM, Christopher Warfel via RE-wrenches
>>>     <re-wrenches at lists.re-wrenches.org> wrote:
>>>
>>>     
>>>
>>>     Hi, We are doing our first system with these two devices. The
>>>     inverter is SolArk 12P (mutimode) and the Tigo product for RS is
>>>     the TS4F. Tigo has me a little bit walking in circles.
>>>
>>>     I told them that SolArk says not to use the 12VDC RS output
>>>     terminals for connecting the transmitter.  I gave them the
>>>     attached drawing which they ask for, which shows the transmitter
>>>     connected to a 120VAC/12VDC breaker which they supply.  They
>>>     told me to wire the 120VAC source to the main service panel so
>>>     the array would shut down on loss of power. I told them that is
>>>     exactly NOTwhat I wanted to happen as that would stop the
>>>     battery charging when there is a loss of utility power. I said I
>>>     wanted the 120VAC source to be the back up loads panel. After
>>>     about a week of calls and emails, I got an email back saying to
>>>     use the SolArk 12VDC terminals for RS.  I just emailed them a
>>>     screen shot of the SolArk manual that says not to do that.
>>>
>>>     At this point, I am asking anyone on the list to let me know how
>>>     they wired the transmitter successfully. Thank you for any
>>>     guidance, Chris Warfel
>>>
>>>
>>>
>>>
>>>
>>>     -- 
>>>         Christopher Warfel
>>>                  ENTECH Engineering, Inc.
>>>     PO Box 871, Block Island, RI 02807
>>>     401-466-8978
>>>
>>>
>>>
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>> -- 
>> Chris Sparadeo
>>
>>
>> C_802-369-4458
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>
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