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Old 06-12-2013, 07:30 AM   #29
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Originally Posted by BryanB View Post
My interpretation of your original post is that you are comfortable running the fridge on ac/12volt because the chassis alternator is charging the batteries.....be careful using this comfort factor if you tend to boondock or walmart camp. The chassis alternator is wired a number of different ways depending on manufacturer, but many times only trickle charges the house battery. The efficiency and better cooling on lp even during transit saves those precious coach battery amps for the all essential lights, water pump and maybe even a tv if no shore power is available.
Bryan: I have worked on almost every make motorhome from a lowly Shasta to a Bluebird. I have never seen a motorhome that was trickle charged while the engine was running. You would be right in saying that if they start the generator the battery would only be charged by a trickle charge from the converter. Even that does not hold true if they have a inverter. Even the class B vans receive a full charge while driving.
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Old 06-12-2013, 01:15 PM   #30
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Quote:
Originally Posted by ga traveler View Post
Bryan: I have worked on almost every make motorhome from a lowly Shasta to a Bluebird. I have never seen a motorhome that was trickle charged while the engine was running. You would be right in saying that if they start the generator the battery would only be charged by a trickle charge from the converter. Even that does not hold true if they have a inverter. Even the class B vans receive a full charge while driving.
Okay, sorry to lead this away from the OP's initial inquiry but I'm confused with what you just said.

As we posted previously in this thread, we have the refrigerator operating off the inverter while underway ...going down the road with the engine running.

Our assumption is that since the engine (chassis alternator) is charging the house batteries that it is a non-issue to run the refrigerator off the inverter while underway. However, we have heard that this is not a wise practice but we can't remember why it isn't. We also realize that not all motorhome refrigerators are plugged into an inverter outlet. We've been told that the alternator is strong enough to supply enough charge to the house batteries so as not to cause an issue while the engine is running.

Is what you posted saying that the engine (alternator) is in fact giving the house batteries full charge while underway? ...and as such, we shouldn't have to worry about running the refrigerator off the inverter while going down the road?

Thanks.

~mandy
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Old 06-13-2013, 07:33 AM   #31
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Originally Posted by amanda_h View Post

Is what you posted saying that the engine (alternator) is in fact giving the house batteries full charge while underway? ...and as such, we shouldn't have to worry about running the refrigerator off the inverter while going down the road?

Thanks.

~mandy
Yes! The Alt. will be putting a full charge (if needed) while driving. Drive and enjoy.
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