Good Sam Club Open Roads Forum: Tech Issues: Inverter on or off
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 > Inverter on or off

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way2roll

Wilmington NC

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Posted: 07/29/20 10:14am Link  |  Quote  |  Print  |  Notify Moderator

Our previous Class A's had a converter but not an inverter. A we always used the genset when travelling. I never thought much about the difference in the 2. Our new FW has a residential fridge and an inverter. I am not 100% sure when to have on or off. During storage I think it's obvious it would be off - along with the disconnect if for any length of time. I have found that my solar still charges the battery even if I use the disconnect - I am hoping it's supposed to. I am also pretty sure I will need the inverter on during travels if I need the fridge to keep food cold. What I am unsure about is when I am plugged into shore power. Should I turn the inverter on or off? I understand I will get power to TV, appliances and outlets via shore power. Will the batt still charge via shore power and/or solar? The dealership actually had the ground off the inverter until I brought it home and while plugged in everything still worked with the inverter out of the loop, so it seems like the inverter is only for travel or boon docking. Am I understanding this right?


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ReneeG

Meridian, Idaho

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Posted: 07/29/20 10:19am Link  |  Quote  |  Print  |  Notify Moderator

With our solar setup, we turn off the inverter if we are not using the solar system. In other words, it's off until we need to watch TV or use the outlets. While the inverter is off the system is charging and storing energy. We found that by leaving on the inverter, which we did for years, our batteries were not keeping up. Now that we've wised up, we have plenty of power when needed.

When we're home and plugged in, our inverter is still off and yes, it still charges. As you noted, when we are en route, we turn on the inverter and the fridge runs on solar while we're traveling. If it's cloudy and doesn't charge adequately, we turn off the fridge and rely on ice to keep it cold till we stop and turn on propane. We do not have a residential fridge.


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Lwiddis

Bishop area, California

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Posted: 07/29/20 10:58am Link  |  Quote  |  Print  |  Notify Moderator

I’m an “inverter off” fan when not in use. And, yes, inverters are not needed when plugged in.


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dmck413

Fluvanna Va

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Posted: 07/29/20 11:02am Link  |  Quote  |  Print  |  Notify Moderator

Turn mine on while travelling. If just an overnight stay I leave it on while on shore power. Keeps me from forgetting.

way2roll

Wilmington NC

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Posted: 07/29/20 11:08am Link  |  Quote  |  Print  |  Notify Moderator

dmck413 wrote:

Turn mine on while travelling. If just an overnight stay I leave it on while on shore power. Keeps me from forgetting.


So, if you leave it on, is it basically a pass through if on shore power? is there a risk to leaving it on and on shore power?

time2roll

Southern California

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Posted: 07/29/20 11:24am Link  |  Quote  |  Print  |  Notify Moderator

Any OEM install should not present any risk to leave the inverter on.

Reasons to leave it on would be to power the fridge if the utility power goes out or to be sure you don't forget as you depart.

Yes it is best to turn off in storage. Good chance the inverter may bypass the disconnect switch, might be worth checking but still best to power it down with the intended inverter power switch.

Yes the solar should charge regardless of the battery disconnect switch position. If you service the battery it is best to disconnect the panels from the controller before you disconnect the controller from the battery.


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Lwiddis

Bishop area, California

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Posted: 07/29/20 12:40pm Link  |  Quote  |  Print  |  Notify Moderator

When “on” there is some power usage and I’m a fan of “off” when not in use.

dmck413

Fluvanna Va

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Posted: 07/29/20 01:18pm Link  |  Quote  |  Print  |  Notify Moderator

I have a transfer switch for the refrigerator that switches it to shore power when available.

2oldman

NM

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Posted: 07/29/20 02:10pm Link  |  Quote  |  Print  |  Notify Moderator

way2roll wrote:

So, if you leave it on, is it basically a pass through if on shore power? is there a risk to leaving it on and on shore power?
I'm not yet sure if you have just an inverter or an inverter/charger (IC). IC's will charge the battery, have pass thru a/c and have a transfer switch so you can leave the IC on 24/7 with no worries.

As for just an inverter, it may have a xfer switch, but then that means you must have a separate converter.

I think your dealer should be able to clear up some of these points.. or I would hope so. A voltmeter will tell you a lot about what's going on.

Residential refridges are nice, but do add a significant layer of complexity.

hughesjm21

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Posted: 07/29/20 08:19pm Link  |  Quote  |  Print  |  Notify Moderator

I turn my inverter on when taking it out of storage for a trip. I turn off when putting back in storage. In between always on. Never had a problem. Residential frig and pure sine wave inverter.

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