The Cummins Onan RSS 100-6868 & RSS 200-6869 service entrance ATS
switchesdo not have a control in them and can only be used on the Cummins Onan air cooled residential
standby sets RS 13A & RS 20A. The ATS control on these sets is inside the generator. You can use the Cummins Onan RSS 100-6634 & RSS 200-6635 non
service entrance on all of our residential products. You bypass the ATS control.The air cooled set will not load manage when the non service entrance ATS switches areused. They are used if the contractor is doing a sub panel style of installation.
The liquid cooled Cummins Onan sets do not have the ATS control in the generator and need an ATS with a control. You will need the RSS 100-6634 or RSS 200-6635 ATS as a standard option or one of our OTEC or OTPC ATS switches with our liquid cooled