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Old 08-09-2007, 08:29 PM   #1
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I always leave my inverter shut off unless I need it. A friend of mine just purchased a new DP similar to mine, and was told by the dealer that the inverter should always be switched on when the genset is running or when hooked up to shore power. Is this sound advice? If so, what does it accomplish?
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Old 08-09-2007, 08:29 PM   #2
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I always leave my inverter shut off unless I need it. A friend of mine just purchased a new DP similar to mine, and was told by the dealer that the inverter should always be switched on when the genset is running or when hooked up to shore power. Is this sound advice? If so, what does it accomplish?
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Old 08-10-2007, 12:45 AM   #3
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Craig, I have left my inverter on 24/7 for years. If power in the coampground is lost, the inverter will switch over so fast that I don't even loose the time on the clocks and somtimes did not even know we had lost power other than the air conditioner stopped. Some of the newer control centers need to at least have the charger turned on to recharge batteries. Try it you like it.
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Old 08-10-2007, 02:28 AM   #4
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To; Craig P.

If you have an inverter/charger, you HAVE to turn it on when on shore power to charge batteries. A converter would go to charge by itself, but you must have the inverter/charger on. Some of the new units are set to turn on when plugged in. The charger will go thru bulk, then absorb and finally float. The charger will
keep the batteries at full chrarge.

You may have to set charger to do above.

Good Luck--- AIME---AJBJRVERS-----
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Old 08-10-2007, 03:11 AM   #5
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by ajbjrvers:
To; Craig P.

If you have an inverter/charger, you HAVE to turn it on when on shore power to charge batteries. </div></BLOCKQUOTE>
Not true for all inverters. We have a Tripp-Lite inverter. The switch has 2 positions - LINE CHARGE (this is essentially the OFF position and will charge the batteries when plugged into shore power) and AUTO INVERT (this is the ON position and will charge when plugged in and invert if you loose shore power).

We used to leave our inverter in the LINE CHARGE position and only switch it to AUTO INVERT when we were boondocking. Now I leave it in AUTO INVERT all the time. We have a Surge Guard that will sometimes kick off when it detects high or low voltage. Leaving the invert on will enable our satellite TV receiver to retain the program guide if the coach looses power.
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Old 08-10-2007, 04:32 AM   #6
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I guess I'm a newbie when it comes to this: My experience has been with aftermarket inverters to turn 12 volt to AC while driving, so as not to run the gen all the time. Are you all (y'all?) saying that the inverters work on battery power as well? I would have thought you'd have to run the generator when not running...
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Old 08-10-2007, 05:46 AM   #7
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TCayer <BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content"> I guess I'm a newbie when it comes to this: My experience has been with aftermarket inverters to turn 12 volt to AC while driving, so as not to run the gen all the time. Are you all (y'all?) saying that the inverters work on battery power as well? I would have thought you'd have to run the generator when not running... </div></BLOCKQUOTE>

To clarify for you, if you had a good supply of strong batteries and a good 3,000 or 4,000 watt inverter you would never need to plug in. The only reason you'd need the generator would be to recharge those batteries. Some of the high-end coaches, Marathon, etc. have two 4,000 watt inverters connected in parallel to give them 8,000 watts of inverted 115 or in some cases 220 volts AC. Of course they also have 12,000 watt or more in generator capacity.

We have 4 Deep Cycle batteries, a 3,000 watt inverter and 350 Watts of Solar Panels. I can boondock indefinitely and never need to plug into AC or never need to run our generator. The solar panels recharge the batteries every day.
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Old 08-10-2007, 06:05 AM   #8
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I think it is personal preference whether you leave it on or not. I leave mine on all of the time. I got tired of setting the clock on the mocrowave.
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Old 08-10-2007, 07:39 PM   #9
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Our inverter/charger has separate switches for the two functions. We almost always leave the inverter OFF when connected to shore power because if the power went off while we were gone for an extended time, the drain on the batteries would be heavy as we normally have the electric water heater on and also our 4-door refrigerator would pull power from the inverter. Without the inverter on, the refrigerator will default to LP operation and the WH will simply go off. Such power outages are rare in our experience, and we just have to reset the clocks to recover. We do turn the converter on during arrival or departure from a campground so the clocks will retain power during transitions from shore power to generator or travel without generator.
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Old 08-11-2007, 08:55 PM   #10
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As long as it's behaving properly there is no reason not to. BUT... Be aware that when dry camping that the big inverters draw several amps just idling with no load. My Dimensions idles at somewhere around 4A no load.

Also, as was mentioned earlier; all inverter/ converter/ chargers function differently. Mine goes through it's charge cycle as soon as it's plugged in, Inverter on or not.
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Old 08-31-2007, 08:20 PM   #11
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This is interesting to me and I would appreciate a little more clarification.

I just got my first motorhome and am wondering where the inverter is and if all motorhomes come with some sort of inverter. My impression is that these inverters will change 12v DC power to 110v AC power? Is this correct? That being the case to run a TV while motoring down the road would not require the generator?

Well then, how do I find the power outlet in the coach that is associated with the inverter, or are all 110 outlets connected to the inverter as well as the shore power and generator sources when available?

Also, is there a converter and an inverter? Are these two different things? I know I have an inverter for charging my batteries when connected to shore power and while running the generator, but that seems to be all it does.

Thanks.
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Old 08-31-2007, 08:50 PM   #12
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To; GW

Inverters/converters;

A converter converts the 110 AC to 12 volt dc to charge batteries.

An inverter/charger changes the 12 volt battery to 110 ac.

My Prosine, 3000 watt inverter/charger can be set to go to charge when on shore power or set to manually turn on , which I do.

NOW, do not wire your tv to inverter so as to watch while running down the road.

Your 110 volt panel should have 2 parts, one panel for all ac and the other for inverted ac [battery].

As you see in my signature, I have the fridge and front air cond. wired thru inverter thereby not needing the generator. Also have 200 amp. alternator.

Hope this info helps

Thanks==== AIME====
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Old 09-01-2007, 04:52 PM   #13
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Great info Aime.

Thanks.
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