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Old 03-16-2017, 11:08 AM   #41
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Agree, don't use yellow box transformers.


Check this
http://www.airlinktransformers.com


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Old 03-16-2017, 11:58 AM   #42
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OK thanks for your reply, when the mohos is not connected to the 110 v, does that mean that part of the 12 V installation does not work? Or the batteries take over? All the rest of the installation works in 110 V, in France the network is 220 v, so I will put a transformer 220/110 on my network plug
Yes. When you are not plugged into shore power the batteries take over for your 12v devices. The converter also charges your batteries when plugged in. In your renovation you will want to replace the original converter, you'll want a multistage converter rather than the original single stage. The single stage converter is "on and charging" whenever you are plugged in to shore power and will over charge your batteries eventually. The multistage charger will not do this.
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Old 03-16-2017, 12:40 PM   #43
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Yes. When you are not plugged into shore power the batteries take over for your 12v devices. The converter also charges your batteries when plugged in. In your renovation you will want to replace the original converter, you'll want a multistage converter rather than the original single stage. The single stage converter is "on and charging" whenever you are plugged in to shore power and will over charge your batteries eventually. The multistage charger will not do this.
This means you have 3 options.

1) Replace with another 110v converter (but this time multistage) and use an external transformer
2) Replace with a 220v converter and replace 110v appliances
3) Switch to 220v shore including adding a 220v converter, and add an on-board 110v transformer to power the 110v applicances

I already had changed to a 110v Magnum inverter so option 1) was best for me, most people go for 3), but that is only because option 2) is very expensive!
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Old 03-16-2017, 01:04 PM   #44
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I think you need to take a view on the age of the appliances. Your charger will always be an essential and good investment. You will only need the transformer while you have 110, so can switch appliances over to the 220 fuse board as you replace them or just do them all and ditch the 110. Your genny probably gives out 110, so that is a consideration


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Old 03-16-2017, 04:08 PM   #45
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The electric part is really the part of the restoration I do not like !!
The air conditioners and microwave oven operates at 110 vol.

I hesitated to dismantle the air conditioners, because I do not need here in France, and this puts me a worry of height for a comfortable use on our small road !!

So I think I will dismantle the A / C, change the microwave, and pass the charger through a new 220 V !!
I lose a little authenticity, but I have a functional system and to the standards of my country.

I will just have to see to modify the generator, or delete it, because it will only serve to operate the battery charger!
The fridge is a domotic, and it can be easily changed to 220 by just changing the resistance.
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Old 03-16-2017, 05:31 PM   #46
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I've never had an issue driving with the air con units in France, although probably on the tourist routes, rather than smallest villages.

Personally, if money is no object and if you don't need the genny for AC, I would replace the internal appliances for 220v. Install a 220 v multi stage charger. There are lots of different price points, depending on your requirements

https://www.mdsbattery.co.uk/departm...ains+Inverters

It's easy to get good quality replacement Dometic fridge freezers either new, or second hand for around 500-1000 euros.

In terms of the genny, if you don't need it, either sell it and use the space for other pruposes e.g. for an electrical bank or keep it and see if you can still have it available to service either the 12v bank or 220.
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Old 03-16-2017, 05:33 PM   #47
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Also worth thinking about solar. My multi stage charger, also accepts solar input. It's a cheap install which gives you a new level of freedom so seems like good money.
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Old 03-16-2017, 05:34 PM   #48
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Originally Posted by Steph27 View Post
The electric part is really the part of the restoration I do not like !!
.
It goes without saying that if you don't know what you are doing with the electrics get someone in to either do the work or check your work.....
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Old 03-17-2017, 06:50 AM   #49
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I am with you on the AC Steph......they made Airstreams for 50 years before AC 'had to be added'. You can always do what we did in Bella; replace both the existing roof vent and the AC with two Fantastic Fans (or Maxxi's if that is you preference) and run one blowing in and one suck out, both are 12v thermostatically controlled, and when both are running create a nice breeze threw the MH.
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Old 03-17-2017, 03:39 PM   #50
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I continue to disassemble today the back closet to understand the electrical assembly 110 V, I better understand the electrical system now.

I will unplug it because it will no longer serve me. To see if I dismantle or not the generator.

So I will buy a new charger and a new heating system, redo the plumbing, and reassemble the furniture when the floors are redone.

I received today a package for mechanics. What to do for the weekend



But I have a problem , i dont find where is the circuit breaker for the 12v circuit?

Do you know where is it ?
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Old 03-18-2017, 03:35 AM   #51
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Hi Steph

Which 12v circuit are you referring to? The 12 v fuse board is at the front of the coach in the glove compartment. If it's the same as mine, you have a combination of different fuses for different circuits. The manual should set out which fuses for which circuits. There are also a significant number of inline fuses to protect various circuits e.g. Steps, jacks, wipers. Your 12 distribution board should be somewhere near the bottom of the fridge- I think you posted a picture of this. Does this answer your question?


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Old 03-18-2017, 03:40 AM   #52
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The front fuse board is a combination of Chevrolet fuse circuits (stock for P30) and Airstream installed circuits. The airstream circuits are the ones that Airstream added to the stripped p30 chassis e.g. for air levelling compressor, jacks. It should all be set out in your airstream manual.


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Old 03-19-2017, 03:11 AM   #53
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My coach has a 12v kill switch in the battery tray, but they weren't stock on all coaches


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Old 03-19-2017, 06:32 AM   #54
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Thank you for your answers.
Yes, I have a fuse box at the level of the glove box, but these fuses are for the mechanical part, I am looking to see if there is a fuse box for the devices and lighting of the mohos development part.

Is this the fuses?
Does this make circuit breakers? Or is it just a patch panel?



This panel is just front off the converter

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Old 03-19-2017, 07:32 AM   #55
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These are circuit breakers. They are used in place of fuses to protect your 12 volt system. If there is a fault in one of the circuits they will remove power from that circuit for a period of time before resetting automatically.
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Old 03-19-2017, 07:49 AM   #56
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In simple terms, there are three 12v groups:

1 Chevy fuses in the glove box for chevy chassis 12v systems

2 Airstream fuses in the glove box for Airstream added 12v chassis items. The isolator in your engine bay (usually blue finned) is a key component to stop issues joining the engine and leisure systems together. You probably have a switch to let you temporarily connect to the leisure batteries if you have problems starting.

3 12v distribution panel which your picture shows. The 12v distribution panel has thermal breakers of varying loads, depending on the circuit. The items in the coach and which circuits they relate to are set out in your Airstream manual. The univolt which you have stripped out would probably have had a direct connection to this panel. The batteries also feed the panel. I imagine that in the future, your new multi-state charger will only charge the batteries, so your 12v distribution board will only receive power from the batteries, not the batteries and charger.

The big white lead in the bottom right of the picture will be the grounds/earth wires. The others will be the positive feeds.

Your manual should contain full diagrams of the way in which the wiring was installed. If you do not have the manual, download it from Airstream.com.

I cannot recall whether the 12v distribution panel is fed directly from the solenoid on the back of the battery tray or whether it routes via the isolator and back to the 12v distribution panel, although someone with a better memory than me will be able to clarify that.

Bonne chance
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Old 03-19-2017, 07:57 AM   #57
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Mine looks like this, although yours will be different
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Old 03-19-2017, 08:16 AM   #58
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Hellooo...
I'm here too. .
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Old 03-19-2017, 08:20 AM   #59
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OK cool, I did not know these thermal circuit breaker.

Concerning the shipper, I will inquire precisely on the most suitable models, be able to connect it in the same way as the current one.

Not being comfortable with electricity, I would do this assembly with a specialist in truck fitting and accessory vendor.

I will also be helped by this person to connect to the EU standards of my future gas supply system. And changing the refrigerator to 220 V

I start to know better the assembly of my truck, I would soon diagnose the slightest electrical or mechanical breakdown!

Thank you all for your help
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Old 03-19-2017, 08:22 AM   #60
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Hellooo...
I'm here too. .

A French friends cool !!!!

Lando prepares a super road trip in the USA, with an airstream and a beautiful ford before bringing everything back to France
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