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Old 11-19-2012, 08:39 PM   #1
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Deep cycle Batteries and using heat in the coach

Ok...I am a newbee...I bought a 2000 HR Endeavor...this past saturday...have it stored at a friends secured lot...drove it 120 miles on Saturday to get use to driving it..

I left the heat set at 55 deg on the in floor furnace...today only 2 days since I was last in it..the batteries are very low on power...i did not have it plugged in...but the furnace was on...

Should that furnace pull the power out of the batteries that fast...night time temps here are 30s and daytime..50s..

I did plug it in tonight..should i leave it plugged all the time if using the furnace? Should I turn the furnace off and not keep some heat in the unit over the winter?

Help...
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Old 11-19-2012, 08:50 PM   #2
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Heating you rig all winter can get costly if you are not in it. A couple days of the fan run ing can drain your batteries. If you don't plan to use it for a while then I would winterize it. Just my .02
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Old 11-19-2012, 08:51 PM   #3
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Your furnace blower is powered by 12vdc and if running for a substantial amount of time without the inverter keeping the batteries charged they will drain down.

By keeping your coach plugged into shore power your inverter will keep the batteries charged and also prevent them from freezing. You should check the water level in your batteries once or twice a month.

If your furnace will be running for a long period of time, you'll also need to periodically check your propane supply.

If you have a lower temp setting on your thermostat you could probably set it at a temp lower than 55 and still keep things from freezing.

Best of luck, and safe travels....
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Old 11-19-2012, 08:57 PM   #4
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Man you guys are quick to help...thanks..my wife wants to keep the coach warm in the winter..I can lower I think to 50 or so...it is winterized but we are new to the RV life and plan to use it all the time...no camping at this time...we are planning to work on the inside this winter and put stuff for next spring in the unit..what do people think of the sealed Deep Cycle batteries?
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Old 11-19-2012, 09:05 PM   #5
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Two six volt in series is always better than 12 volt in parallel. I prefer the unsealed. They seem to hold a longer charge. We have ours parked outside and spend time modifying every winter. We put a small radiator heater in it. Just put in a wall mounted radiant heater that I need to post some pictures of. The furnace drains the propain and my tank won't last all winter. If we are working in it we will turn on the furnace for the day.

Good luck!
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Old 11-19-2012, 09:29 PM   #6
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if you can leave it plugged up you can get ceramic heater or 2 and put one in each end on low and should be cheaper than using the propane
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Old 11-19-2012, 10:26 PM   #7
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The batteries will run down quickly with the furnace blower running as you discovered.

As others suggested use a small electric heater which is what we do when camping in cold weather. Then when you are going to be in it working fire up the furnace and warm it up a bit.
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Old 11-19-2012, 11:52 PM   #8
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The batteries will run down quickly with the furnace blower running as you discovered.

As others suggested use a small electric heater which is what we do when camping in cold weather. Then when you are going to be in it working fire up the furnace and warm it up a bit.
Ditto. That would be my recommendation too. With hookups and an electric heater you won't need to worry about the propane running out either. Just keep the rig plugged in and the electric heater on low.
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Old 11-20-2012, 07:36 AM   #9
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Since you're winterized there's really no need to waste resources keeping the rig warm. Keeping it plugged in to continue to charge the batteries is not necessary, either, as long as they are fully charged and will hold a charge while winterized. In other words, not old worn out batteries.
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Old 11-20-2012, 11:00 AM   #10
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Since you're winterized there's really no need to waste resources keeping the rig warm. Keeping it plugged in to continue to charge the batteries is not necessary, either, as long as they are fully charged and will hold a charge while winterized. In other words, not old worn out batteries.
If he doesn't hook-up he's got to make sure to disconnect the batteries. There should be a battery disconnect somewhere in the coach. Otherwise phantom draw of the coach will eventually suck down those batteries even with nothing else on.
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Old 11-20-2012, 11:20 AM   #11
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Originally Posted by TAZ View Post
Two six volt in series is always better than 12 volt in parallel. I prefer the unsealed. They seem to hold a longer charge. We have ours parked outside and spend time modifying every winter. We put a small radiator heater in it. Just put in a wall mounted radiant heater that I need to post some pictures of. The furnace drains the propain and my tank won't last all winter. If we are working in it we will turn on the furnace for the day.

Good luck!
You need to clarify what you are stating. If the 12 volts batteries have a total AH rating higher than two 6 volt batteries the statement does not hold true.
It all depends on the total amp hours.
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Old 11-20-2012, 11:31 AM   #12
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if you can leave it plugged up you can get ceramic heater or 2 and put one in each end on low and should be cheaper than using the propane
if you go this route - ensure they have the 'tip over' cut off - a really sensible safety feature.

I would also leave cupboard doors open so that the heat gets to the pipes if you think you have water in them.

I still think that winterizing the pipes either with anti-freeze or blowing them out - will probably save tears later.

JM2CW

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Old 11-20-2012, 12:03 PM   #13
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Normal design considerations are one night on batteries, re-charge during day.
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Old 11-20-2012, 01:43 PM   #14
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If he doesn't hook-up he's got to make sure to disconnect the batteries. There should be a battery disconnect somewhere in the coach. Otherwise phantom draw of the coach will eventually suck down those batteries even with nothing else on.
Thanks, I forgot to mention disconnecting.
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