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On 9/24/2021 at 9:27 AM, John Dorrer said:

We recently ordered a Legacy II. We will be traveling to Tennessee in a couple weeks to finalize options. Coming from the truck camping side, we have been used to compressor fridges 12-vol/110). There seemed to be more problems with the 3-way than the compressor fridges. Everyone has their preferences. We will have Lithium batteries and the 340W solar. Some people will drive with the propane on. Others say it is dangerous. I know that driving with 12-volt will drain acid and AGM batteries pretty quickly, but not sure about lithium. I would love input on how all of you run the fridge when driving. Since Oliver only sells the 3-way, we will need to get used to this. We also have a National Luna 50L top loading fridge that we have in our truck. I usually plug the top loader onto shore power or into our generator during the day and then Goal Zero 400 Lithium power pack at night. I'm thinking I can plug it into the trailer in camp and will experiment with that. Thanks for your advice and feedback.

 

 

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Hi John D.

We picked up our trailer last month and when we travelled back from Tennessee to Washington State, we had the fridge on 12 volts all the time.  (we have the lithium pro option- 390ah) .  The batteries at the end of the travel days were always just under 90% according to the Lithionics Battery app.  

We are new, but we love our Oliver!

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On 10/2/2021 at 12:48 PM, Fritz said:

We use the 12V option on the refrigerator.  Sometimes.  It depends....

I'm reluctant to use propane for the refrigerator while driving, not because of usage, but because of safety.  In the event of a severe accident, a ruptured gas line with an open tank valve could make a bad situation worse. 

The refrigerator uses about 15 amps when running on 12V.  This is about what the panels produce on a sunny summer day.  On a cloudy day, or a sunny late fall day, the solar will not keep up with the fridge; you'll be drawing from the batteries to run the fridge.  If the batteries are topped off, and there is sun in the forecast, then no problem (they shouldn't be maintained at 100% anyway).  If the batteries are low, and the forecast is for clouds, then this may not be a good option.

I’m in agreement with Fritz,  I am relatively new to this and have been using our 3-way Norcold fridge in 12V mode  when in transit…..sometimes….depends on the situation.  We have hull 797, with standard 340W Zamp solar package.   I replaced the new, standard lead-acid deep cycle batteries with 2 x 100AH BattleBorn lithium.  It has the Zamp controller, no Inverter.  The TV charge wire is disconnected inside Oliver, per Oliver protocol for lithium packages.    As an example of my experimenting to date, our last trip we drove a few hundred miles per day for last 2 days, and  dry camped each night in a different location.   No generator.  I ran the fridge on 12V both days for about 6 hours each sunny day when driving, including gas and rest stops, then switched to propane when parked for the night.  Ran the Maxxair fan at low or medium full-time, except when driving.   Used all the 12v lights whenever needed, used awning LED and courtesy lights at  night, and water pump for dishwashing and showers.  When I arrived home, my Victron BMV monitor showed SOC at 80%.   So in those sunny conditions,  I think I can run like this daily for many days with no concerns, but not always.   If I expect overcast skies, and perhaps no AC plug in to re-charge for several days, I’ll run on propane.   I understand most Trailers/RV owners run propane most of the time, which is simple, trouble-free, and most efficient.   I do it too sometimes, but I have safety concerns in the event of an accident.   That rear propane quick connect is just behind the rear bumper, and I have nearly been rear-ended several times in stop & go interstate traffic, which is one of the most common type of crashes.   I understand the stats show that propane related fires are rare, but insurance & liability concerns have me a bit paranoid.  I studied the fine print on my insurance policy, can’t find a reference to this issue. If someone has some legal or common sense insight on these liability issues, please let me know.   As I mentioned, I’m relatively new to this and appreciate the wisdom from this forum.

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“Ramble” - 2021 Legacy Elite II #797;  2020 Ford F-250 6.2L V8

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I don't know how reliable they are but some folks add an emergency shutoff device to their setup which is supposed to stop the flow of propane if the flow gets too high.

Tanks have some sort of emergency shutoff valve internally nowadays too but I don't know the details of how they work other than that I need to turn my gas grill on tank first then burners or else this valve will engage and the flow while not dropping to zero will be VERY low. If this engages, I need to shut of the tank and wait something like thirty seconds and then turn things back on in the correct order (an order that avoids a sudden rush of gas when turning the grill on).

Jim and  Yanna, Woodinville WA

2004 Ford E250 camper conversion

Oliver Elite II hull #709

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6 hours ago, Jim_Oker said:

I don't know how reliable they are but some folks add an emergency shutoff device to their setup which is supposed to stop the flow of propane if the flow gets too high.

Agreed, I bought two of those before I took delivery of my Elite 2, based on a video I watched onTechnoRV.com.   They seem to work fine.  You just have to remember to give the active tank a few pumps after you turn the valve on.  

https://www.technorv.com/gasstop

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“Ramble” - 2021 Legacy Elite II #797;  2020 Ford F-250 6.2L V8

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1 hour ago, Jim_Oker said:

Pumps? What do you mean?

You have to tap the gauge to “reset” it.

https://m.youtube.com/watch?v=IpdyTvlivsI

I like the concept, since I travel with the fridge running on propane, but how well does a pair of them fit under the doghouse? They are pretty long. Can somebody with an Ollie post a picture please? Thanks.

Can a moderator move this thread to the correct forum, it really doesn’t belong here.

John Davies

Spokane WA

 

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"Mouse":  2017 Legacy Elite II NARV (Not An RV) Two Beds, Hull Number 218, See my HOW TO threads: https://olivertraveltrailers.com/topic/john-e-davies-how-to-threads-and-tech-articles-links/

Tow Vehicle: 2013 Land Cruiser 200, 33" LT tires, airbags.

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2 hours ago, Jim_Oker said:

Pumps? What do you mean?

The instructions advise to “push down” on the gauge 4 or 5 times to prime the gas system, ie build up pressure and allow gas to flow.  The gauge is mounted on a small piston pump. 

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“Ramble” - 2021 Legacy Elite II #797;  2020 Ford F-250 6.2L V8

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1 hour ago, John E Davies said:

I like the concept, since I travel with the fridge running on propane, but how well does a pair of them fit under the doghouse? They are pretty long. Can somebody with an Ollie post a picture please? Thanks.

No problem, there’s plenty of room under the doghouse cover for one on each tank.  I’ll take pics of my gauges on tanks first chance I get.  This video gives a better explanation of how it works.  https://youtu.be/_g38JponlN4
 

 

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“Ramble” - 2021 Legacy Elite II #797;  2020 Ford F-250 6.2L V8

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