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Old 08-17-2019, 03:10 PM   #1
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Permanent EMS Install 25ft FB

Hope this is the correct forum for this.
I fried my Surge Guard 34730. At least I think I did. I had to pry one of the prongs from my umbilical out of the head of the Surge unit. I don't want to trust it again,and I think I should do the permanent install of the HW30C.
Before I get into it,has anyone done this on this unit? Is there a particular place in the 25FB queen that it fits best? I haven't ordered the unit yet so I don't know the physical size.
Any suggestions from anyone with experience with this would be greatly appreciated.

Thanks
George
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Old 08-18-2019, 09:17 AM   #2
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No answer for you (yet) but I’m working on almost exactly the same question and will pass on anything I learn. I’m also looking to install a permanent Progressive Industries surge protector in a FC 25FB queen. Only diff is mine’s a 50 watt which I already purchased (kind of a leap of faith not knowing where best to put it).

I was figuring under the couch/bunk where the power comes in nut haven’t figured out how to get at it.

Best wishes to both of us an let’s stay tuned.
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Old 08-18-2019, 09:39 AM   #3
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How much room is there next to or near the main trailer circuit breaker box? Enough space for the unit?
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Old 08-18-2019, 09:41 AM   #4
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inside permanent mount is the THE way to go.

i did this more than a year ago.
last summer is replaced the outside plug with a SMART PLUG

i also have to remote inside monitor for the surge guard
this way the guard is safe and dry. you can never forget to use it or lose it

it has saved my bacon a number of times

things i seen in two years
  • open ground
  • under voltage
  • over voltage
  • crossed polarity

basically almost everything that the surge guard checks for
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Old 08-18-2019, 09:43 AM   #5
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That was going to be where I would look so I guess I'd better get the dimensions. WesVasey, I would think the 30 and the 50 would be the same size physically, just different guts. What are the dimensions of your unit?
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Old 08-18-2019, 10:21 AM   #6
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Hi

There is no such thing as a "normal" AS trailer ... each one is a bit different so here goes:

Many trailers have a "stacked" AC panel above a converter charger. The place you want to get to is the AC panel. The EMS needs to go in somewhere near there to make the wiring "easy". The other "easy" location is by the inlet plug on the trailer. (if there is only one inlet).

First place to check for "enough space" is behind / next to / (under??) the converter / charger. If there is room there, then that's the place to put it.

You need a 30A unit for a 30A trailer. If you have a 50A setup, then you need a 50A version. I would also suggest that getting one with a remote readout is a really good idea.

======

On to the other half of this:

If your plug got welded into the existing EMS, then that suggests that either the plug or the socket are a bit worn. Best to check the plug and see if it has problems. If so, head over to the store and get a replacement. They aren't very expensive ....

Bob
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Old 08-18-2019, 10:28 AM   #7
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in my as 22fb
my water filter, pressure regulator and EMS go under the pantry
that is VERY close to the AC inlet and right next to the fuse panel under the fridge

if we replace the fridge with a bigger compressor style, we will relocate the fuse panel to under the bed. that is where we store all the other electronic bits ie Victron converter/inverter, MPPT controller etc
we no longer have a converter under the fridge as it was replaced with the Victron 3k unit under the bed

the road side area was empty space and is now much better utilized

next summer, i will upgrade from 1 BattelBorn Lion battery to 3
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Old 08-18-2019, 10:58 AM   #8
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Permanent mount inside the unit is the only way to go. Mine is mounted next to the electrical distribution pannel. That way it is always in line and we do not have to worry about a loose unit on the pedestal vanishing.
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Old 08-18-2019, 11:16 AM   #9
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I have a EB 25FB 30A and installed it near the panel under the bed. There is a perfect spot for it. My main reason for that is so I can protect all power inputs from the front or rear exterior connections before the transfer switch. Here are the pics. I also mounted it with rubber insulators to reduce the humm sound that sometimes is evident. I ran the external monitor panel to the front door near the store switch.
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Old 08-18-2019, 11:39 AM   #10
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So when the surge protector does it's job and fails stopping a surge, do you really want to disassemble the trailer to install a replacement?

External units are easily replaced. Our new Progressive Industries EMS-PT50X unit came with a security connection to deter easy theft without destroying the unit.
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Old 08-18-2019, 11:45 AM   #11
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Quote:
Originally Posted by switz View Post
So when the surge protector does it's job and fails stopping a surge, do you really want to disassemble the trailer to install a replacement?

External units are easily replaced. Our new Progressive Industries EMS-PT50X unit came with a security connection to deter easy theft without destroying the unit.
I agree that easy replacement is a consideration, but I'd hardly consider removing four screws on the front of the EMS and swapping a board to be "disassembling the trailer."
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Old 08-18-2019, 12:27 PM   #12
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Quote:
Originally Posted by uncle_bob View Post
Hi




======

On to the other half of this:

If your plug got welded into the existing EMS, then that suggests that either the plug or the socket are a bit worn. Best to check the plug and see if it has problems. If so, head over to the store and get a replacement. They aren't very expensive ....

Bob
Thanks Bob. I took the unit to a local RV store and asked them if they could check it's viability for me but they only wanted to sell me a new one.(Not cheap here in Canada ) so my question is. How can I check the female end where the problem was if I don't have a 30A source.
I have a multi meter but other than checking my batteries I'm rather cautious with electronics. The plug and socket don't feel worn and still have a tight fit.
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Old 08-18-2019, 12:29 PM   #13
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Quote:
Originally Posted by TRIPPPIN View Post
I have a EB 25FB 30A and installed it near the panel under the bed. There is a perfect spot for it. My main reason for that is so I can protect all power inputs from the front or rear exterior connections before the transfer switch. Here are the pics. I also mounted it with rubber insulators to reduce the humm sound that sometimes is evident. I ran the external monitor panel to the front door near the store switch.
I like this spot, thanks verdana. I'll have to stash my Scotch somewhere else though
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Old 08-18-2019, 12:32 PM   #14
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Quote:
Originally Posted by switz View Post
So when the surge protector does it's job and fails stopping a surge, do you really want to disassemble the trailer to install a replacement?
OK for me.
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Old 08-18-2019, 03:12 PM   #15
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I put our EMS next to the converter on our 06 25í Safari FBQ, in the round panel at the foot of the bed. Access is easy; lift the bed. I had to pull out the converter to drill a hole for the wires but thatís pretty easy. Buy the one with the remote display for this location. I put in a transfer switch at the same time behind the converter. Itís tight, but it works.

(Never thought of putting my bottle of Canadian in there .....)
Steve
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Old 08-18-2019, 03:36 PM   #16
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My EMS 30 got fried on this trip by a nearby lightning strike. Manufacturer sent me a new one for no charge. Good product with great service.
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Old 08-18-2019, 04:12 PM   #17
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Similar question but for 25FB Twin?

Good ideas above but wondering what folks have found best for the PD EMS install in a 25FBTwin?
Thx.
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Old 08-18-2019, 09:07 PM   #18
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Thanks for all the answers and suggestions . I had a good look at the space and it will work fine with enough room left over for essentials)
As it is a 2014 it already has the transfer switch and I am assuming that the EMS has to go in line before the switch.
Trying to find a schematic of the electrical system in the trailer.
Any ideas where to look?

George
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Old 08-18-2019, 09:50 PM   #19
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all schematics and detailed docs are free of the Airstream site
look for the documents folder
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Old 08-18-2019, 09:54 PM   #20
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go here

https://www.airstream.com/owners/manuals/
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