Running on DC redux.
Just got home from week long trip along Lake Superiors south shore @ Pictured Rocks Nat Lakeshore. 5 nights dry camping. Anyway it's about 350 miles home and drove it straight through yesterday. I usually don't but I left the fridge on dc on the road home to see how it would do. Normally a run like that would charge everything up but when I got home the multi meter was showing about 12.4 which means the truck charging system wasn't keeping up with the fridge drain. Good to know. I may go with Jacks solution and run an 8 gauge wire directly back from my truck battery to the trailer batteries ( two group 27s).
Rick |
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I'd be curious to hear more electrical detail about your 5 night dry camping experience as that's the type of camping I prefer. I'm assuming you have dual batteries. Do you have a means to charge them while camping or are you just ultra-conservative? Thanks, |
Hey
Generally I'm pretty conservative( and the wife will tell you. "anal") on electrical useage. I use electric lanterns inside for most stuff inside and carry a "mr Buddy" propane heater for taking the chill off if I dont want to run the furnace. REfrig stays on propane, and works just great that way. Yes- I've got dual batteries (group 27) which gives me about 200 amps hours. I ave also switched most the interior lights to LEDs because my wife doesn't always like to knit or read by flashlight. :) I do have a small generator which I have never used (but plan to) as long as I am in a place that will let me use it to re-charge batteries when need be. I'm not generally running a television or stuff like that. In other words- I tend to approach it like I did tent camping with lots of battery operated stuff or 12 volt chargers I can re-charge with off the truck system. I also carry a small solar panel which works well if I am parked where there is access to the sun most the day- and move it around as need be. That is also something I am likely to add to ( bigger). There are a couple of folks on the board who pretty much dry camp ( or "boondocking" ) quite a bit- so search those posts. Jack ( and Janet) is one who does a lot of camping on BLM lands and is pretty handy at this stuff and I've borrowed more than one of his ideas. If you plan appropriately it is pretty do-able. Like I have said before- plan on living "out of the trailer" and not " in the trailer" and it works pretty well. Rick |
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At the campsite, since electrical power is available, I'd run the thing on AC. In any case, you should have the refrigerator in the cool down mode at least a day before you depart. This kind of device does NOT cool down very fast, so you want it cold before you put food in it. And, if you're stopped for a long time, you DO want it cooling. We always use a cooler with an ice block in addition to the fridge, because Janet likes a lot of fresh vegetables and other things that need to be kept cool. And, we like to minimize our "shopping". We can usually do a two week trip with what we start out with. Hope you don't think I'm giving you the "idiot treatment". It's taken us a few trips to work out the best way to do things. - Jack |
Greg
If I was being cautious and I was running on dc while on the road I would UNPLUG my trailer from truck while doing an hour lay-over. JUST remember to re-plug when you take off again. Like Jack said, cool it down ahead of time. Over night on ac or propane usually does it for me. I prefer to run with stuff in a cooler on longer drive and transfer when I get there and then use cooler for beverages so I'm just wasting ice chest air every time I grab a beer or water or whatever I've even run with some dry ice in fridge while on the road rather than dc if I want to keep it cool and ready when I get there or travel with perishables in fridge. At any rate, if you are going to have hook ups when you get there you should be ok as whatever electrical deficit you might get on the road will get recharged once you plug in. I usually go overboard worrying about this stuff so I am sure you will be ok. Remember to have fun. :) Rick |
Unless you are in a very hot location you can turn the fridge off for the 2-3 stop. Assuming everything is cold or frozen inside things stay cold quite a while. We have done it lots of times. We have also run the top up on long stops and switched to LP, just find a fairly level location.
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We decided to turn it off on departure in the morning. We'll run with it empty, except for some ice in the fridge portion, as an experiment to see how cold it stays. We'll travel with the cold food in a cooler in the tow vehicle and transfer when we get to the cg. I hope that sucker doesn't freeze all the food when we stock it! |
Greg, the refrigerator will stay cooler if turned off if it is stocked with cold food. Note that Rich's advice included having a cold, filled refrigerator.
- Jack |
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The first part of our journey (about 4 hours driving time with a possible 2-3 hour stop on the way) we'll have it empty (except for a jug of ice). I'm sure it will warm up quite a bit but I want to see how good the fridge seals as an "icebox." We'll have electric at the campground so will plug in upon arrival. The next leg of the journey is about another 4 hours with no anticipated stops other than a few groceries. We'll start out with a cold fridge (turned off) with some food in it to see how it compares. We'll have electric at the second cg as well. In the future, I'll try running on DC to see how that works. |
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Just returned from our trip and the fridge performed very well. It appears to seal correctly and keeps the food chilled for several hours with no power so it makes a good cooler. :D
One thing I noticed is that, even on the warmest setting, the fridge compartment stays very cold, almost to the point of freezing. Not sure how to fix that. What I tried doing was NOT running the external fridge fan, thinking that may help to keep it a little warmer inside. Thoughts? |
Greg,
We have the opposite problem, our fridge normally runs too warm. We had to replace the external fan and also to add an internal fan, just to get the fridge cool enough. |
Your posts are both interesting, Greg and Les.
My refrigerator seems to be more like the one Les has. A remote digital thermometer in it NEVER gets below about 43 degrees. But, ice forms quickly in the freezer section and nothing ever seems to spoil. I used to worry about it, but I've stopped, since I'm not seeing any spoilage problems. My guess is the thermostats are not particularly good. - Jack |
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Yes Greg, a wireless indoor/outdoor thermometer seems to work just fine. I have the readout (receiver) mounted between two cabinets over the sink, which is about 4-5 feet from the refrigerator and the outdoor transmitter is in a plastic baggie (to keep it dry) mounted to the back inside wall of the refrigerator section.
The trick to mounting the transmitter is to find a place where it won't get in the way of food that is stored, but still is fairly "central" in the refrigerator section. - Jack |
If there is a sensor attached to the fins in the fridge try sliding it up or down to see if it makes any difference.
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- Jack |
On second thought . . .
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The bad news is I have no clue how the RV fridge and freezer compartment are performing. I'll probably wait until next camping season to test it. |
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