Progressive EMS install

[Moto4play]

I am trying to install a Progressive EMS system. Can anyone tell me were to access the main line or where the transfer switch is located on a Voltage 3950. Dealer was not sure where they are putting them.

[eightydo]

From the Basement behind the Service bay (water hookup, Cable hookup, Saniflush.) you will have to remove panels in the basement. there some photos on Water leek issues.
http://www.dutchmenowners.org/forums...ment-1332.html
The grey box in picture #2.

[Moto4play]

So that is the transfer switch? Is it obvious which lines are coming from the main power and Gen.?

[sundancer 87]

The transfer switches from shore power to generator and back the other way. Depending upon which one you are using the other one is switched out of the system.

Say you are hooked to shore power and the power goes off. You'd switch to generator and a short time later the shore power returns. You can't use both at the same time so the generator will continue to run but its output will be switched out and you'll be back on shore power.
Same as if you're on shore power and decide it's time to exercise the generator. With the switch you won't have to disconnect from shore power to run the generator but the generator won't be under load.

Basically, the switch allows you to use only one power source at a time.

The positive way to find out which wire is which would be to trace the wire to its point of origin. The out going wires will go to the converter and points beyond.

[Moto4play]

Got it, I understand the purpose of the transfer switch just not familiar with how these are wired. I can trace continuity from the outside plug.

Are you using a surge protector and if so what type?

[sundancer 87]

Surge Guard RV Power Portable 120 240 50amp Protector | eBay

I use this type, portable, when in camp grounds. I don't remember what I paid for it but it came with a lock box where you can lock the output end of the protector to the shore cord. Great idea but that doesn't keep anyone from disconnecting both ends and taking it all, including the shore cord!

[Moto4play]

Thanks for your help!

[macman83]

I am getting ready to put one in my 3905, and I have opened the basement. On mine, the shore power wiring is hanging out in the open, so it is easy to see what wire goes where. I am thinking about putting it after the transfer switch so it will protect all the electronics from either shore power or the generator. I plan on taking pictures of my install and posting them here.

[Moto4play]

Originally Posted by macman83

I am getting ready to put one in my 3905, and I have opened the basement. On mine, the shore power wiring is hanging out in the open, so it is easy to see what wire goes where. I am thinking about putting it after the transfer switch so it will protect all the electronics from either shore power or the generator. I plan on taking pictures of my install and posting them here.

I have seen other posts where that is not recommended. They say the generator has its own protection and if you mount after the trans switch you are leaving the switch vulnerable to shore power.

Thanks for the info, I will be opening it once my EMS unit comes in.

[macman83]

I hadn't read that, but it makes sense.