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Old 10-02-2014, 06:06 PM   #1
Air Al
 
2004 22' International CCD
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Heating my 2004 with Battery Power

I'm going to be doing a lot of airstreaming (2004 International 22') this winter away from shore power. I want to run my propane heater without the fan so that I don't drain my batteries too much. I have a 100 watt solar PV that I use to charge two trojan batteries, so I've got quite a bit of juice. How do I disconnect the fan.

In fact, how do I run the system from batteries even if I don't disconnect the fan, since I only see that it runs off 120 volts?
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Old 10-02-2014, 06:25 PM   #2
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Hi, my furnace runs on 12 volts and propane. And I don't think you can run the furnace without the fan running.
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Old 10-02-2014, 07:10 PM   #3
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The propane furnace won't light if it doesn't detect the fan running.

Kelvin
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Old 10-02-2014, 07:21 PM   #4
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You can not even consider doing what you said. the heater will not light with out the fan and the fan will kill 2 batteries overnight.

The option is to install a catalytic heater and use it while you are up and around.
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Old 10-02-2014, 07:26 PM   #5
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It if did light you would have an explosion. The burner also gets air for combustion from the fan.

There are folks who have installed a catalytic heater that works off of convection only. However, there are risks. If it is running correctly there won't be any CO but it does consume oxygen. I think the heater uses 4.5 Amps so that is about 24 hrs of fan on run time if you have 100 AH worth of batteries. It most likely won't be on all the time. I would consider a small generator to charge batteries with.

Perry
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Old 10-02-2014, 08:21 PM   #6
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You can be comfortable on battery as perryg114 described.
At 24 degF and above during the day I can camp dry for days running my Honda 1000W every second - third day to recharge and bake bread. Below 24 degF all the time - I go home, I do not know how to camp in AS in these temperatures even connected to 110V.

Also I think all catalytic propane heaters will generate water (+CO2), not good in cold damp weather inside the camper.
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Old 10-02-2014, 08:36 PM   #7
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I really love my Newport Dickinson propane fireplace. It can run without any power, but it works best with its small fan running.
I think it is way safer than the catalytic heaters since it uses a double flue which brings in fresh air from outside and exhausts all combustion products outside too. It is pricey at about $700 but it is totally cool. Here is a pic of my installation:
Click image for larger version

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I don't know the exact amp draw of the fan but it is just like a small computer fan so it does not use much power and is very quiet. I bet that you could run it for weeks on your battery.


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Old 10-02-2014, 11:44 PM   #8
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Standard Interstate batteries run the furnace fan all night with no problems. We have done it a lot. Coldest was last March at Liard River Hot Springs at -27 F.
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Old 10-03-2014, 09:40 AM   #9
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Ding Ding we have a winner folks.

Perry

Quote:
Originally Posted by timzog View Post
I really love my Newport Dickinson propane fireplace. It can run without any power, but it works best with its small fan running.
I think it is way safer than the catalytic heaters since it uses a double flue which brings in fresh air from outside and exhausts all combustion products outside too. It is pricey at about $700 but it is totally cool. Here is a pic of my installation:
Attachment 223406.
I don't know the exact amp draw of the fan but it is just like a small computer fan so it does not use much power and is very quiet. I bet that you could run it for weeks on your battery.


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Old 10-03-2014, 10:06 AM   #10
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Quote:
Originally Posted by crisen View Post
Standard Interstate batteries run the furnace fan all night with no problems. We have done it a lot. Coldest was last March at Liard River Hot Springs at -27 F.
Ditto for us here in Montana ...we have AGM batts and they will easily last 5-6 days of furnace, lights, refrig and occasional inverter use for TC - with below freezing temps. The rest of the AS is winterized and we carry water in jugs.
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Old 10-03-2014, 01:04 PM   #11
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Personally, I don't see a reason to camp in winter cold. We go south in the winter where is it warm. That is the beauty of having a trailer. You can pull it to where the weather is good.

Perry
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Old 10-03-2014, 02:15 PM   #12
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Quote:
Originally Posted by timzog View Post
I really love my Newport Dickinson propane fireplace. It can run without any power, but it works best with its small fan running.
I think it is way safer than the catalytic heaters since it uses a double flue which brings in fresh air from outside and exhausts all combustion products outside too. It is pricey at about $700 but it is totally cool. Here is a pic of my installation:
Attachment 223406.
I don't know the exact amp draw of the fan but it is just like a small computer fan so it does not use much power and is very quiet. I bet that you could run it for weeks on your battery.


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I like this a lot. According to the manual (that I just looked at), the fan draws 0.2 amps. Beautiful!
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Old 10-03-2014, 02:33 PM   #13
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Quote:
Originally Posted by perryg114 View Post
Personally, I don't see a reason to camp in winter cold. We go south in the winter where is it warm. That is the beauty of having a trailer. You can pull it to where the weather is good.

Perry

That'd be nice if....1)south was close...and 2) I was retired!
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Old 10-03-2014, 03:52 PM   #14
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Leamington , Ontario
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Quote:
Originally Posted by timzog View Post
I really love my Newport Dickinson propane fireplace. It can run without any power, but it works best with its small fan running.
I think it is way safer than the catalytic heaters since it uses a double flue which brings in fresh air from outside and exhausts all combustion products outside too. It is pricey at about $700 but it is totally cool. Here is a pic of my installation:
Attachment 223406.
I don't know the exact amp draw of the fan but it is just like a small computer fan so it does not use much power and is very quiet. I bet that you could run it for weeks on your battery.
Now THAT is an impressive heater! Their website lists the propane usage and for comparison this begs the question: How much propane does the stock Airstream heater use?
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