[RE-wrenches] 2 wire to 3 wire start on Older ONAN 12.5JC

Kienan Maxfield maxfieldsolar at hotmail.com
Sat Nov 17 14:48:47 EST 2018


I absolutely agree. The Atkinson AGSCM is really good and super reliable. They work on almost every generator I can think of. They are the most universal auto Gen starts available.

Thanks,
Kienan

On Nov 16, 2018, at 3:35 AM, Tump <tump at swnl.net<mailto:tump at swnl.net>> wrote:


ATKINSON ELECTRONICS, INC.
Web Site: www.atkinsonelectronics.com<http://www.atkinsonelectronics.com>

While these might seem complicated they are well thought out and  easy to program despite the many pages of instructions. A simple jumper wire and then pressing the select button will scroll you thru the various settings. Using a DVOM one sets the voltage 0-5 vdc for the setting. One can set them up for monitoring house battery voltage, starter battery, daily run-monthly run. Once you understand and are not overwhelmed by the enclosed paper work they work well.

Need fuses to protect the unit and a momentary on button to reset the unit, we usually install them in a plastic box w/ a clear cover so we can see indicator lights & or lock out light requiring a push of the momentary button.

On Nov 15, 2018, at 4:01 PM, Dana <dana at solarwork.com<mailto:dana at solarwork.com>> wrote:

All Wise ones:
I have a client who purchased an ONAN 12.5JC that was in standby service from a SoCal school desert installation. It turns out it is a 3-wire start.
I know there are a few 3-wire to 2-wire start converter boxes out there and some are VERY complicated to program & are marginally reliable or appropriate due to phantom loads for an off-grid installation.

What are your recommendations, please?




Dana Orzel                              Great Solar Works, Inc.
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