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Old 04-04-2016, 12:27 PM   #29
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Kelvin, what is your "current battery capacity"?

Sounds like I'm considering an installation like yours--200 (or 300) watts on the roof, and the AM Solar items you listed. We will have two 6-volt Lifeline GPL-6CT batteries (300 amp-hours), a marine fridge, and a ceramic heater. Interior is gutted right now and we're starting on the wiring, so can run dedicated circuits here and there. Biggest draw on an inverter will be a small microwave.

And I'm wondering if I might need to step up to the 2000-watt Magnum.
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Old 04-04-2016, 03:53 PM   #30
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Originally Posted by youngpeck View Post
Kelvin, what is your "current battery capacity"?

Sounds like I'm considering an installation like yours--200 (or 300) watts on the roof, and the AM Solar items you listed. We will have two 6-volt Lifeline GPL-6CT batteries (300 amp-hours), a marine fridge, and a ceramic heater. Interior is gutted right now and we're starting on the wiring, so can run dedicated circuits here and there. Biggest draw on an inverter will be a small microwave.

And I'm wondering if I might need to step up to the 2000-watt Magnum.
I'm planning on upgrading to 2 6v GPL-4CT 220ah total. My power needs will be to power the TV, charge laptops only. The only appliance I could see in the future is a juicer.

I wouldn't be able to lift the 6CT being 90lbs each. I'll have to venture to lithium for higher capacity.

Kelvin
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Old 04-05-2016, 06:17 AM   #31
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We put is a new 30 amp main breaker box in the 23D before the Magnum but after the real automatic transfer switch that selects the original power inlet or the added one on the front for the generator which is propane powered off the grill outlet. We then put in a six circuit box from Home Depot with no main since we had that elsewhere.

We removed the 120Vac six gallon water heater and replaced it with a Truma AquaGo comfort that is propane powered with 12Vdc control circuitry. We added outlets in the closets, rear storage area and on the back of the trailer as well as in the toe space that serves as the cold air return for the furnace under the sofa. The air conditioner breaker is always one at the end of the breakers so one side is in free are versus being sandwiched between two breakers. The air conditioner breaker tends to run the warmest of any breaker in either trailer because they almost running continuously in hot weather..
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Old 04-06-2016, 09:42 PM   #32
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I try not to use the separate sub-panels as I find them bulky and cumbersome. Here is what I use for my Magnum whole trailer wiring. They have a split bus and encompass both main and sub panel functions and come on 30 amp or 50 amp service. Also a more centralized, cleaner installation. They occupy the space of the old converter and fuse block.
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Old 04-07-2016, 10:10 AM   #33
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Who makes that panel?

How difficult is it to isolate the fridge 120v and the microwave since they each share a separate circuit with wall outlets.

Is it more costly to do that than just to run 3 new wall outlets from a standalone inverter like Airstream does.

I'd prefer to allow all the wall outlets to be inverted when not on shore power rather then 2 or 3 dedicated. Just have the AC, water heater, fridge 120v and microwave available on shore power only.

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Old 04-07-2016, 11:02 AM   #34
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No,

The smaller Magnum MMS-1012 is only a 1000 watt inverter/charger and does not have the power to energize all of your trailer's outlets. Remember that it only has a 1000 watt output, or 8.3 amps @ 120VAC.

You would need the larger MS-2012 for that application.
So if you are only running the wall outlets off this inverter, and have isolated the fridge 120v, water heater, microwave, and AC, wont this work?You have to make sure an appliance or combination of appliances running together will draw no more than 1000 watts. So computer recharging, running an LED TV, running a blender, juicer or coffee maker should run on this system and with some of the above running together like TV and coffee maker.

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Old 04-08-2016, 05:21 PM   #35
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Once the inner skin is installed, the typical way to change wiring is from below running wires in conduit in the banana wrap areas. Thus the concept becomes in a non-factory inverter Airstream to energize every outlet from a new new and capable inverter of 2,000 watts or more. Then the microwave, or a hair dryer could be run briefly off of the battery bank or pass through the 30 amps from shore power.

Installing the Magnum hybrid MSH-3012 gives one access to 3,000 watts of power from the battery bank, and if using a single 2,000 watt Honda generator (or equivalent) to run equipment, the Magnum can take the necessary surge power from the battery bank to start one air conditioner and the one generator can continue to run it. Power would be borrowed at every cycle of the thermostat.

In the case of our 23D with the factory 1,000 watt inverter, the factory inverter was discarded and replaced with the Magnum MSH-3012. The three factory inverter outlets were reconnected under the dinette to another blank circuit breaker in the new circuit breaker box which is powered via the Magnum from either shore power (or the generator) or the 300 amp-hour lithium battery bank.
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Old 04-08-2016, 05:49 PM   #36
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They're right Kelvin! Bigger is better. You need 10,000 WATTS!

Not sure how I've lived for a year using 600 watts full time off grid. ¯\_(ツ)_/¯

For you, that 1000 watts is too little to power even 1 outlet.

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Old 04-08-2016, 05:50 PM   #37
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I NEVER go thru the floor or have to remove the belly pan. Way too invasive!! This is what my wire chases look like when completed. Everything runs inside the trailer…………….

The first shows the wire in a front bedroom; 2 runs of 6/3 marine cable and several communication cables to the remotes.

The second shows the finished product. Every time I use this custom aluminum wire chase, the owners say it looks far superior to the grey vinyl 1/4 round molding that Airstream uses and want all of the floor/wall junctions to be done this way.
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Old 04-09-2016, 08:46 AM   #38
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That is very clean.

I checked the owners manual and it appears my microwave is on a dedicated 20amp circuit as is the A/C and water heater. The converter is shared with the bedroom outlets. It doesn't show which circuit the fridge 120v is on but I'm guessing its the circuit with GFI, Galley,Lavatory, Exterior outlet, Dinette lounge. So I'm assuming from the fuse panel the first outlet is the lavatory, then the kitchen outlet, then the wire goes under the subfloor chase to the fridge then terminates to the rear dinette outlet.

Looks like the only cable run needed is for the fridge 120v if I want to put the non-invertible devices on a separate panel without going with an inverter/charger (A/C, water heater, converter, microwave).

This may not be needed as I will probably just install a 300w to 1000w inverter to one outlet on the fridge/TV wall. I can plug in the TV, laptop charger and a small appliance there.

This owner used a 5 pole cam switch to manual switch fused devices between shore and inverter
http://www.airforums.com/forums/f37/...ry-106585.html

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Old 04-11-2016, 03:58 PM   #39
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Who makes that panel?

Kelvin
Looks like the Progressive Dynamics PD5500 on top and the Progressive Dynamic PD6000 DC panel below all trimmed out with a nice cosmetic face plate. Nice.

Kelvin
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Old 10-31-2016, 12:07 AM   #40
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Does anyone know where you can purchase the panels shown in Lewster's post #32? The PD5500, if I Wanted the 30/30 dual, do you order a special unit, or do you just configure it differently with the breakers?
Thx!
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Old 10-31-2016, 08:40 PM   #41
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We added the 50/30 split (55006) for inverter sub panel configuration and they do quite well. They are very popular in other applications but not as much in Airstreams though some do get them. Doubt they will have the 30/30s made up since that particular product is slow on the OEM side but will most likely have some made since you were not the only one requesting one today. Still waiting on a response from engineering at PD on those and a couple others. Hang in there.
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Old 10-31-2016, 10:12 PM   #42
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I found one and ordered it from RVautoparts.com, $53.


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