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Old 08-10-2015, 03:55 PM   #11
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Install ems after transfer switch, nothing else needed.

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Old 08-10-2015, 06:02 PM   #12
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Thanks everyone! I'm headed back out in a couple weeks -- I'll pay closer attention this next time, check the amperage at the breaker, and possibly replace it if there's any truth to that number.


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Old 08-10-2015, 07:55 PM   #13
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thanks for replay, but
I do not have access to the TS in my Prism, because TS is, as Coachmen owners manual stated inside of converter.
In my shore power cable compartment I have
- one metal box with 30A female plug ( wired with 10/2 Romax wire from generator ) where the male 30A plug need to be plug in to get generator power into the coach.
At that box are connected dead end of shore power cable with other 10/2 Romax from converter.
At the moment I do not know how to post the photo, they asking me of URL of my image.
Sorry, I guess that the text be enough
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Old 08-10-2015, 09:44 PM   #14
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x2 with Turbs. Pull the breaker/converter and find where the 30 amp powercord goes in. Though I would talk to a technical person at Progressive. Not sure how the ems and its delay will play nice with your auto transfer switch.
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Old 08-11-2015, 07:08 AM   #15
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Prism Power protection

When I installed my EMS HW 30A, I took the breaker panel out of it's mounting and found the end of the power cord that supplies AC power to the coach, at that point it was Romex, and bolted the unit to the floor, wiring it in between the shore power cable and the input to the breaker panel. There is no AC transfer switch (TS) in the Prism. The TS is a manual function of plugging and unplugging the shore power cable into either the generator plug in the cable storage box, or plugging it into shore power box on the campground pole.

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