[RE-wrenches] need to set up an older generac remote start circuit

[William Miller]

One Generac I worked on needed a module to convert to two wire start. Plus
there was some programming.


William Miller
Miller Solar.com
805-438-5600
www.millersolar.com


On Thu, Oct 2, 2025 at 9:23 AM Kirk Herander via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Hello folks,
>
> This Generac belongs to an old customer. He picked it up used. Runs good,
> but apparently was used w/ an ATS, which is no longer present.
> No doc's, no labels to identify model.
>
> But I have set up a remote start in a similar model 20+ years ago.w/o the
> ATS, just can't remember how. Terminals 23 & 194 connect to the ATS
> contactor coil to change state when it starts, I just can't remember the
> *easy* way to initiate the start command itself. There don't appear to be
> additional terminals for a dedicated start signal.
>
> The red and black wires come from inverter AC to keep battery trickle
> charger energized, etc. I wonder if simulating loss of this AC, with genny
> control switch in auto mode, would initiate the run cycle.
>
> In the meantime, any insights from my fellow old-timers (new ones welcome,
> too)? Thanks.
>
> [image: image.png]
>
> I've worked on this mo
>
> --
>
>
> *Kirk Herander / **kirkh at vermont.solar <kirkh at vermont.solar>*
>
> *Owner|Principal, VT Solar, LLC*
>
> *Celebrating our 34st Anniversary 1991-2025!!*
>
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>
> 802.559.1225
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