To check that both inputs on an ATS are on the same phase, you'd use a voltmeter on the Hot wire on both inputs and check that the voltage is zero I imagine. But would you set the voltmeter to DC (because you're looking for in-phase difference on an AC signal) or AC?
On Mon, Aug 13, 2018 at 9:24 AM, Chuck McCown <[email protected]> wrote: > That was my question. Do the units have a master slave capability for > phase locking? > > -----Original Message----- From: Seth Mattinen > Sent: Monday, August 13, 2018 8:07 AM > To: [email protected] > Subject: Re: [AFMUG] ATS Recommendations > > On 8/13/18 5:36 AM, Chuck McCown wrote: > >> Drawing please. Not sure how the two ups’ are connected. >> > > Relay fusing aside, they do also have to be on the same phase. > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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