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Old 05-07-2014, 04:23 AM   #11
Diamondsea
 
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Default Re: RV Fest Open To All Types RVs and Wannabes

More on the electrical: The very fast to full charge of the house batteries permits easy off-the-grid living. It also permits unattended charging for unattended air conditioning operation to keep pets comfy if the owners are away for the day. Automatic engine start is controlled by the SilverLeaf coach computer system when a settable low battery voltage is reached. Cell phone long range roof antennas with internal WiFi are fitted. A phone app can monitor everything including temperature, and the engine for generation may be manually started remotely.

Low profile roof solar cells are used. No roof space is wasted; Advanced now has a custom A/C shroud with solar cells.
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Old 05-07-2014, 06:40 AM   #12
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Default Re: RV Fest Open To All Types RVs and Wannabes

Diamondsea,

You said a second alternator is used to charge the house batteries. Where does the multi-stage charger get involved? I assume you are not talking about the Outback inverter/charger but something else.

At one time Advanced RV was looking at a MEPS system which ends up acting like a generator which feeds the Outback. I thought they had eliminated MEPS as a contender and were looking at a second alternator. Do they have a multi-stage regulator that feeds the house bank directly?
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Old 05-07-2014, 01:08 PM   #13
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Default Re: RV Fest Open To All Types RVs and Wannabes

Some things we learned:

You cannot bulk charge lithium ion batteries below freezing temps because you will destroy the batteries. Advanced RV is developing an insulated battery box with heating pads.

The Outback pure sine wave converter/charger they use has built in surge protection when connected to shore power.

The city water connection has a built in pressure regulator so you don't have to add one to your hose.

All lighting is LED. How much so? They even supplied Nova Kool the LED lights to install in the refrigerator.

They are starting a rental B company. I think the first renting couple left right at the end of the Fest.

There is not much they don't research and try to improve. They had several vans there. There is a base system and design but just about every van was custom to a high extent. The customer has a lot of say in what they want. The downside is it is a long time process from conception to delivery unless one can be satisfied with one of the few spec Bs they build. Even then a few customers had those already built spec Bs extensively modified.
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Old 05-07-2014, 04:43 PM   #14
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Default Re: RV Fest Open To All Types RVs and Wannabes

Davydd,

The Outback is a inverter/charger, not a cheap converter/charger.
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Old 05-07-2014, 10:17 PM   #15
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Default Re: RV Fest Open To All Types RVs and Wannabes

Inverter, converter, typing dyslexia. :)
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Old 05-08-2014, 02:11 AM   #16
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Default Re: RV Fest Open To All Types RVs and Wannabes

Quote:
Originally Posted by pattonsr View Post
Diamondsea,

You said a second alternator is used to charge the house batteries. Where does the multi-stage charger get involved? I assume you are not talking about the Outback inverter/charger but something else.

At one time Advanced RV was looking at a MEPS system which ends up acting like a generator which feeds the Outback. I thought they had eliminated MEPS as a contender and were looking at a second alternator. Do they have a multi-stage regulator that feeds the house bank directly?
I will try to clarify some. First, I believe I have the only Advanced RV built without the second alternator. This was at my request based on my decades of power management on boats. I simply prefer to try to limit power use. For charging my four group 31 batteries I prefer direct connection to the Sprinter chassis battery so that almost the full power of the standard 220 amp alternator is available as the van itself normally uses little power. My experience with boats and Sprinters is that when underway I usually go for three hours minimum which seems to get the batteries almost fully charged. The last 5 to 10 percent is maybe missed but the batteries end up fully charged when I can plug into shore power. On my Advanced RV a big ass relay controlled by the SilverLeaf computer system closes to do the job when SilverLeaf detects that the Sprinter battery is up to a certain voltage - I think about 13.2 (it is settable). My previous Sprinter DIY camper had a similar system where I simply connected the two systems together with a Blue Sea Automatic Charge Relay.

Now to most Advanced RVs having the second alternator. Your comment about a MEPS now has me thinking that perhaps I am confused as to their current practice. Perhaps they are using such and somehow supplying AC volts to the Outback which makes DC volts to charge the batteries; the Outback having 3-stage regulation. Perhaps others reading this can chime in to clarify this. I do know that the new demo system up and running for the Fest had a small 3-stage regulator box. Obviously contacting Advanced RV could clarify this.

By the way the willingness of Advanced RV to set up my system the way I wanted it with only one alternator shows their attitude to do things semi-custom to meet the owners' desires.
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Old 05-08-2014, 02:30 AM   #17
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Default Re: RV Fest Open To All Types RVs and Wannabes

A couple of clarifications: On my vehicle at least, if connected to city water there is no failure prone regulator valve; the high city water pressure does not reach all the plumbing. It only goes to a simple on/off valve controlled by the SilverLeaf computer "Auto Fill" feature. When touching the Auto Fill on the SilverLeaf screen the valve opens to fill the water tank and it shuts off automatically or you can shut it off manually by touching the screen. This last permits partially filling the tank if desired.

Up until now Advanced has as a standard feature internally installed an expensive electrical surge protector of the type available to use at the power post in line with your power cord. Internal installation prevents theft of an external device hanging on the power post. These protectors also have a couple of minutes delay to prevent instant reapplication of power to protect air conditioner compressors after a drop out. There was an Outback rep at the Fest and in a discussion I had with him I learned that Outback has an option for their own add on surge protector. I pointed this out to management and Advanced will decide if they want to eliminate the separate device and use the Outback option for new vans. Anyone interested I suggest you ask Advanced.
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Last edited by Diamondsea; 05-08-2014 at 02:42 AM. Reason: Add re surge protector
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Old 05-08-2014, 01:26 PM   #18
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Default Re: RV Fest Open To All Types RVs and Wannabes

Diamondsea, you clearly know the details. I'm a generalist in wanting to know regardless of what or how Advanced RV does it I will ever be dangling a high priced piece of surge protection out on a post. They did just learn themselves they needn't have to even add one inside the van since Outback could incorporate the surge protection. One thing to know. They don't go by model years. If there are improvements to be made they go into the next van on the line it seems. I was their first visitor two years ago. I gave them many suggestions at the time, you continued that spirit with your B as have many others. Now I am glad I hesitated two years with so many developments that came along. In two more years I might be envious once again. The 4 x 4 drive is the one big thing coming that has me in a tither.
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Old 05-08-2014, 04:12 PM   #19
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Default Re: RV Fest Open To All Types RVs and Wannabes

I question relying only on surge protection from the Outback FLEXware surge protector that is designed to protect the Outback inverter/charger from high voltages. A built-in Surgeguard is cheap protection from all the pedestal wiring problems as well as power transient surges. If one has a transfer switch then the Surgeguard protects it. Not sure if a transfer switch is involved if a generator is not specified. But until Advanced RV documents in detail how they are doing the battery bank charging from the second alternator, we can only speculate.

I would hate to have the Outback fried due to a lightning strike. The coach is totally dead if the Outback has problems. Everything is run from the Outback including the AC and microwave. I prefer layered protection. Let the inexpensive Surgeguard ($282 with remote) take the first big hit and what still gets by can be handled by the Outback surge protector (around $200). The expensive Outback VFX2812M (around $2,000) has two layers of protection so it will probably survive.

Plus I do not think the Outback FLEXware does all the checking that the Surgeguard does before allowing power in (mis-wired pedestal, low voltage, etc.) The Surgeguard has a nice remote that shows status and detailed error codes. Unless Silverleaf supports the Outback error lights, one would have to look at the simple error lights on the FLEXware that is usually attached to the Outback inverter/charger which may not be readily accessible in the middle of the night. Besides all they will tell you is that there is a problem.

Last edited by pattonsr; 05-08-2014 at 06:52 PM.
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Old 05-09-2014, 03:00 AM   #20
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Default Re: RV Fest Open To All Types RVs and Wannabes

It is all speculation right now. Advanced RV just learned from the Outback rep that came to Advanced Fest last weekend that there is or could be built in surge protection. I doubt they have even investigated it yet let alone make any decisions. They are and have been installing surge protectors inside the van. The question is anyone else doing that?
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