RV Furance on Predator 3200 (4000)?
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Nov-01-2015 07:45 AM
Is this possible? What is the best way to run the furnace when shore power is out. . . put the refrig on propane? Use several portable 1500 heaters in the trailer?
I just don't want to freeze. Also I want to keep electrical power to the water line.
thanks . . . . ken
Cedar Creek 34SB, 37 feet 5th wheel, Reese 20K Hitch
"So many questions, so little time."
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Nov-06-2015 05:25 AM
In addition to Yes, the Generator will indirectly support your RV furnace, via converter and batteries as discussed here...
...My friend had a local propane gas supplier deliver a 100-pound (or so, it was the stand-up kind, not the bigger "pig") and connect it to the RV. RV was a 36-ft Jayco Fiver, so it had the twin 30-gallon portables like OB mentioned. With the heated hose supplying water, shore tie power most if not all the time, and a better supply of LPG, he and his wife had a comfortable accommodation.
2003 Jayco Escapade 31A on 2002 Ford E450 V10 4R100 218" WB
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Nov-06-2015 04:40 AM
ken
Cedar Creek 34SB, 37 feet 5th wheel, Reese 20K Hitch
"So many questions, so little time."
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Nov-06-2015 04:00 AM
wolfe10 wrote:
Sorry, that is not quite true. While the furnace does run off 12 VDC, the size of your battery bank will dictate how many hours of run time you will have before the batteries are discharged. Ideally, you don't want to discharge below 50% for long battery life. And, unless you have a very large solar system and a lot of sun, you WILL be running your generator to power your converter to recharge the batteries.
The batteries in a typical RV can run a furnace for at least one night and still be within the 50% capacity the next morning.
Most power outages are no more than a few hours. If his battery can't hold out that long he needs to replace the battery. Power comes back on, battery gets recharged. Not rocket surgery.
Putting 10-ply tires on half ton trucks since aught-four.
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Nov-05-2015 02:19 PM
ken burke wrote:That hose (heat tape)really needs continuous electric power to be effective. Probably too much for an inverter run off the battery. Generator would need to run near continuous when temps are well below freezing.smkettner wrote:
Best (IMO) is to have extra battery and 250+ watts of solar.
A couple extra propane bottles may help.
"electric power to the water line" What does that mean? Heat tape?
I will be running a 75 foot electrical heated water hose. (a 50 foot connected to a 25 foot water hose).
Consider instead to fill your existing on-board fresh water tank and the 12v pump will supply you with water. Connect hose only to refill and then remove for the day.
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Nov-05-2015 01:37 PM
ken burke wrote:mkirsch wrote:ken burke wrote:
I am not sure what you mean by "trading propane consumption for much longer gen run time".
If you use the RV furnace, you would not have to run the generator AT ALL during a power outage for heat. It would run off the battery, and use propane.
Okay. Thanks . . . . . I didn't know that.
ken
Sorry, that is not quite true. While the furnace does run off 12 VDC, the size of your battery bank will dictate how many hours of run time you will have before the batteries are discharged. Ideally, you don't want to discharge below 50% for long battery life. And, unless you have a very large solar system and a lot of sun, you WILL be running your generator to power your converter to recharge the batteries.
No idea what converter you have or its amp rating and whether it is smart (for faster charging of deeply discharged batteries). That as well as how many amp-hrs you used from the batteries will determine generator run time. But as already discusses generator run time will be significantly less than using an electric space heater which would require the generator to be running 100% of the time you want to use the electric space heater.
Ex: 2003 Alpine 38'FDDS
Ex: 1997 Safari 35'
Ex: 1993 Foretravel U240
Diesel RV Club:http://www.dieselrvclub.org/
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Nov-05-2015 11:26 AM
mkirsch wrote:ken burke wrote:
I am not sure what you mean by "trading propane consumption for much longer gen run time".
If you use the RV furnace, you would not have to run the generator AT ALL during a power outage for heat. It would run off the battery, and use propane.
Okay. Thanks . . . . . I didn't know that.
ken
Cedar Creek 34SB, 37 feet 5th wheel, Reese 20K Hitch
"So many questions, so little time."
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Nov-05-2015 04:17 AM
ken burke wrote:
I am not sure what you mean by "trading propane consumption for much longer gen run time".
If you use the RV furnace, you would not have to run the generator AT ALL during a power outage for heat. It would run off the battery, and use propane.
You would only need to run the generator to recharge the batteries if the power outage was very long. Most power outages are no more than a few hours, so you would likely not have to run the generator at all.
If you use electric heat, then you need to run the generator EVERY MINUTE the power is out.
Putting 10-ply tires on half ton trucks since aught-four.
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Nov-05-2015 01:04 AM
2oldman wrote:
Battery.. but since you've been here 12 years I suspect you know that.
We usually spend the winters in Florida. However, this winter we will be living in MD for the winter. Not going to be fun. I am not looking forward to using a snow shovel.
ken
Cedar Creek 34SB, 37 feet 5th wheel, Reese 20K Hitch
"So many questions, so little time."
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Nov-05-2015 01:00 AM
wolfe10 wrote:
Ken,
Assuming you have a standard RV furnace that runs on propane, it runs on 12 VDC from your battery.
So to run it for extended periods of time, you would need to run you generator to power your converter or charger to recharge the battery.
Yes, you could also use space heaters directly from the generator, but that would be trading propane consumption for much longer generator run time. You have to decide which way you want to go.
You will have to check you rig to see if the propane furnace heats the tanks/plumbing.
I am not sure what you mean by "trading propane consumption for much longer gen run time".
Cedar Creek 34SB, 37 feet 5th wheel, Reese 20K Hitch
"So many questions, so little time."
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Nov-05-2015 12:55 AM
smkettner wrote:
Best (IMO) is to have extra battery and 250+ watts of solar.
A couple extra propane bottles may help.
"electric power to the water line" What does that mean? Heat tape?
I will be running a 75 foot electrical heated water hose. (a 50 foot connected to a 25 foot water hose).
Cedar Creek 34SB, 37 feet 5th wheel, Reese 20K Hitch
"So many questions, so little time."
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Nov-01-2015 02:10 PM
A couple extra propane bottles may help.
"electric power to the water line" What does that mean? Heat tape?
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Nov-01-2015 01:17 PM
Battery or shore power via converter supplies the 12V DC....although battery is limited cause furnace fan is a DC hog.
Propane.......depends on what you have
30# propane cylinder (7 + gallons) will last a while if moderately cold
IF temp in the minus category.....I had to refill a 30# every other day :E
2007 DODGE 3500 QC SRW 5.9L CTD In-Bed 'quiet gen'
2007 HitchHiker II 32.5 UKTG 2000W Xantex Inverter
US NAVY------USS Decatur DDG31
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Nov-01-2015 08:33 AM
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Nov-01-2015 07:50 AM
Assuming you have a standard RV furnace that runs on propane, it runs on 12 VDC from your battery.
So to run it for extended periods of time, you would need to run you generator to power your converter or charger to recharge the battery.
Yes, you could also use space heaters directly from the generator, but that would be trading propane consumption for much longer generator run time. You have to decide which way you want to go.
You will have to check you rig to see if the propane furnace heats the tanks/plumbing.
Ex: 2003 Alpine 38'FDDS
Ex: 1997 Safari 35'
Ex: 1993 Foretravel U240
Diesel RV Club:http://www.dieselrvclub.org/