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Old 04-22-2013, 04:08 PM   #11
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The resi fridge will run off the invertor, and my understanding is that the engine will somewhat charge the house batteries while running. Could be wrong but that's my understanding. HOWEVER - as stated pretty much everything else requires the generator. If the kids want to watch DVDs in the bunks, etc, you'll have the generator running anyway.

The generator burns about 1/2 gallon an hour, or about $1.75 an hour. In the little time we've had our MH, the generator has been running most of the time we're driving. As someone stated in another thread, if you were worried about fuel consumption, you shouldn't have bought a motorhome LOL

If the house batteries do die, there is the battery boost switch on the dash which will allow you to jump it from the motor batteries.

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Old 04-22-2013, 05:21 PM   #12
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I forgot to mention that the house batteries get charged when driving after the engine battery is fully charged. So the two battereis probably wouldn't go down while driving any reasonable time or distance. The engine alternator and charging system takes over on l;ong runs.
Hope this helps and ask away any other querstions you may have or need an answer for.
Again welcome and don''t forget.. and use your Georgetown...

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Old 04-25-2013, 01:34 AM   #13
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As others have said, no your generator will not automatically start when the house batteries are low. However you can configure most battery monitors to do this. Here is the thread I posted about installing my battery monitor.

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Old 04-25-2013, 10:09 AM   #14
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One point about generators and house batteries. The house batteries are used to start the generator, so if they are too low, you can't start the generator to recharge them. However, you can start the chassis engine and its alternator will provide enough power to start the generator. You can then shut off the chassis engine.

An automatic controller connects the house and chassis batteries when the voltage of either system is high enough to charge the other. In other words, the house system will keep the chassis battery charged when the house system is charged, and vice versa.
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Old 04-25-2013, 10:21 PM   #15
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It still kills me that while driving down the road nothing works! Not one stinkin outlet, TV, don't even think about the microwave SO get a converter and it will work.

Which can be a $1000 to $5000 not to mention possibly giving up a cabinet or storage space and the cash. Well our $50 our plug in inverter charges our cell phones but not much else.
2008 Georgetown 350TS
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Old 04-26-2013, 02:11 PM   #16
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Well I must have lucked out. All my plugs work while driving and not running gen. The microwave dose not turn on buy that's ok. I have had friends watch the tv while I was driving so someone must have added a good converter to my motorhome in the past!
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Old 04-26-2013, 04:02 PM   #17
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Are the refrigerator batteries the same as the house batts? I have a friend with an Itasca DP that has a seperate batty bank for the refrig invertor and gen auto start.

When his gen starts it is started using the "normal" house batts.

I have also heard of set ups that simply added a few batts to the coach batty pack to provide more amp hours.

Just a thought.


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2005 Georgetown 359ts
Bill & Virginia, Kentucky
Nights camped in 2011...78 , 2012...73,
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Old 04-26-2013, 06:43 PM   #18
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Check your documentation carefully, I know the Berks with residential fridge came with an auto start for the generator if the batteries begin to fade, reason? they don't want your food to fade too! Makes good sense, I believe the thread was about being able to defeat this system for storage etc. Auto wouldn't know the fridge is in service or not. Suspect Georgetowns probably have the same start with the res. fridge.
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Old 04-27-2013, 04:53 AM   #19
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Thanks everyone for your thoughts and comments. I started the thread as a new Georgetown owner not knowing the capabilities or features of my new motorhome. I do have a residential fridge but fairly certain no AGS. I'm going to be bringing my rig to the house today to take some hi-red photos and I'll look again today. Again, thanks everyone!
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2013 Georgetown 351DSF
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Old 04-27-2013, 12:55 PM   #20
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Not to rehash this thread however I'm sitting in my coach as we speak. I've tried a few things. Long in short, the residential fridge only turns on when the generator is on (or on shore power, of course). I'm not sure how you guys are getting your residential fridges to run off batteries but I'd LOVE to be enlightened! Even when the motor is on, the fridge does NOT turn on. Am I missing a step or is this the way it's supposed to work?

EDIT - ANSWER FOUND! Okay, I went into the bay out the outside of the rig. The one which has a little circle that you unscrew. Within there is an inverter. For the heck of it, I hit the reset button on it. BAM! Residential fridge is now running off of batteries via inverter! SWEET!

Cumming, GA
2013 Georgetown 351DSF
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