Journey with Confidence RV GPS App RV Trip Planner RV LIFE Campground Reviews RV Maintenance Take a Speed Test Free 7 Day Trial ×
 

Go Back   Thor Forums > Thor Tech Forums > Modifications and Updates
Click Here to Login
Reply
 
Thread Tools Display Modes
 
Old 06-07-2021, 02:37 AM   #41
Senior Member
 
Brand: Thor Motor Coach
Model: Aria 3901
State: Idaho
Posts: 695
THOR #9660
Quote:
Originally Posted by NG7V View Post
Mike: Did you make the swap yourself? Having had this inverter in use for a time, are you still of the opinion that it is enough inverter or would you have gone to an MS2812 in retrospect?

I am considering an upgrade at some point and I am interested in your views on this.
I did not do the swap myself as it was paid for by the dealer/Thor because of issues we were having. If I had, I probably would have gone to the 2812 also, but we have not had a single issue with the 2012. I have looked into swapping it out and it would be very easy, all the same connections.
Mike

__________________
Vicki and Mike, Aria 3901- The Wined Up Bus, towing 16 Jeep JKUR.
m1noel is offline   Reply With Quote
Old 06-07-2021, 02:55 AM   #42
Senior Member
 
Brand: Thor Motor Coach
Model: Aria 3901
State: Idaho
Posts: 695
THOR #9660
I don't know why, but this was an issue with Aria's, but never with Palazzo's that I have heard of. Ours would trip the GFI whenever the power source switched from shore to inverter, inverter to generator, generator to inverter. Sometimes it would just trip while driving down the road. Between my dealer (who over a month checked every wire in the coach) we tried at least a dozen different GFI's. They all did the same thing until they switched the inverter to pure sine wave. It has now been 3 1/2 years without a tripped GFI. I do not understand why, I just report the news.
Mike
__________________
Vicki and Mike, Aria 3901- The Wined Up Bus, towing 16 Jeep JKUR.
m1noel is offline   Reply With Quote
Old 06-09-2021, 01:52 AM   #43
Member
 
Brand: Thor Motor Coach
Model: Aria 3901
State: Idaho
Posts: 68
THOR #16876
Quote:
Originally Posted by m1noel View Post
I don't know why, but this was an issue with Aria's, but never with Palazzo's that I have heard of. Ours would trip the GFI whenever the power source switched from shore to inverter, inverter to generator, generator to inverter. Sometimes it would just trip while driving down the road. Between my dealer (who over a month checked every wire in the coach) we tried at least a dozen different GFI's. They all did the same thing until they switched the inverter to pure sine wave. It has now been 3 1/2 years without a tripped GFI. I do not understand why, I just report the news.
Mike
I spent the day yesterday chasing the wiring on the GFCI circuit. I read a thread where KohTangFred explains how it is wired and the problem he found in a duplex junction under the bottom drawer below the cook top. It wasn't my issue but it gave me a good opportunity to have a good look around.

I got out my Digital Multi Meter (DMM) and looked at what happens at the GFCI when I switch over from shore to battery and what I saw was that the voltage at the receptacle went from 121VAC to 102VAC on battery. That explains why a tripped GFCI will not reset: The voltage is too low to lock the enabling solenoid in the GFCI.

Interestingly, the firefly panel indicated an output of 120VAC on the inverter while I was reading 102.3 on the GFCI receptacle. Go figure... A weird software algorithm? On shore power, at idle and in pass-through, the firefly panel showed an inverter output of 103VAC, just like what I measured while on battery.

My conclusion is that my DMM sees incoming power just like the GFCI circuit sees it. Because the inverter is a modified square wave inverter, components meant to work on a pure sine wave don't behave as expected.

Low voltage is responsible for what I perceived as being a problem with my GFCI device. Not a problem at all.
__________________
Living the dream a day at a time!
-------------------------------------------------------------
2019 Thor Aria 3901 w/Yellow Jeep Wrangler Unlimited
NG7V is offline   Reply With Quote
Old 06-09-2021, 02:56 AM   #44
Member
 
Brand: Thor Motor Coach
Model: Aria 3901
State: Arizona
Posts: 78
THOR #14127
Quote:
Originally Posted by NG7V View Post
I spent the day yesterday chasing the wiring on the GFCI circuit. I read a thread where KohTangFred explains how it is wired and the problem he found in a duplex junction under the bottom drawer below the cook top. It wasn't my issue but it gave me a good opportunity to have a good look around.

I got out my Digital Multi Meter (DMM) and looked at what happens at the GFCI when I switch over from shore to battery and what I saw was that the voltage at the receptacle went from 121VAC to 102VAC on battery. That explains why a tripped GFCI will not reset: The voltage is too low to lock the enabling solenoid in the GFCI.

Interestingly, the firefly panel indicated an output of 120VAC on the inverter while I was reading 102.3 on the GFCI receptacle. Go figure... A weird software algorithm? On shore power, at idle and in pass-through, the firefly panel showed an inverter output of 103VAC, just like what I measured while on battery.

My conclusion is that my DMM sees incoming power just like the GFCI circuit sees it. Because the inverter is a modified square wave inverter, components meant to work on a pure sine wave don't behave as expected.

Low voltage is responsible for what I perceived as being a problem with my GFCI device. Not a problem at all.
Yea, same there here. On the ME2012 modified sine wave inverter, it showed ~97 VAC on a DMM for me. The MS2812 cleared that up immediately.
__________________
Hunter Bennett | AZNytFury
2017 Thor Aria 3901 (with lots of mods)
2020 Jeep Wranger Unlimited Rubicon Toad
aznytfury is offline   Reply With Quote
Reply

Tags
aria, inverter, pursign

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


» Featured Campgrounds

Reviews provided by

Disclaimer:

This website is not affiliated with or endorsed by Thor Industries or any of its affiliates. This is an independent, unofficial site.




All times are GMT. The time now is 06:56 PM.


Powered by vBulletin® Version 3.8.8
Copyright ©2000 - 2024, vBulletin Solutions, Inc.
Content Relevant URLs by vBSEO 3.6.0 PL2