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Old 07-31-2022, 06:54 AM   #1
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Brand: Thor Motor Coach
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Text or EMail Message if power switches to batteries

I would like to set up a way to get a text message or email notification automatically if the shore power to the coach goes out and the transfer switch goes to battery/inverter power. Has anyone done this and how did you do it? This is a 2019 Thor Venetian M37. I have a WinGard WiFi system in it if that helps. I'm wondering if there is an outlet somewhere that is only on when shore power is available and not powered by battery power for example? Or, vice versa. Then I could plug in one of the commercial products to do this. Thanks for any suggestions.

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Old 07-31-2022, 11:33 AM   #2
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If you go to the Thor Owners website, you can download the schematics for your coach and see which outlets are powered by the Inverter and which are only live on shore power.

https://www.thormotorcoach.com/owners


I assume you want to use something like this....

https://www.amazon.com/Power-Failure...81375357&psc=1
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Old 07-31-2022, 03:30 PM   #3
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Judge,
Thanks , yes I am planning to use a device like that. Finding a circuit or outlet seems difficult. Will check the schematic as suggested. Hoping someone has done this before and has some tips.
Dave
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Old 07-31-2022, 05:01 PM   #4
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On my Tuscany the vacuum plug in the storage isn't on the inverter however it is on the EMS load shedding

My primary area to monitor is the temperature in the Aqua-Hot Bay when were in-between trips in the fall and winter.

Your idea would be another way to monitor what is going on when stored or when your away on a side trip
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Old 07-31-2022, 06:18 PM   #5
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lwmcguir,
Excellent!

I see on my schematics that my Venetian has the vacuum system set up the same way as yours. Also, the Dryer and block heater circuits are powered that way. The vacuum seems like the best opportunity in that there is a receptacle already there and very accessible.

I like your idea regarding Aqua-Hot basement temperature monitoring. I assume you are using a transmitting device to notify you? If so, do you recommend one? Also, are you relaying the signal via a coach WiFi system or a router, or some other means?

Thanks,
DaveB1
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Old 07-31-2022, 06:55 PM   #6
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You can also just kill shore power and then start testing outlets with a cheap Outlet Tester.... also a good way to verify the neutral, grounds, etc. are all good in your coach...... assuming your coach doesn't have the battery power and Inverter power that they wired every outlet to run off the Inverter.
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Old 07-31-2022, 09:08 PM   #7
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I have the coach in my shop when between trips so using home wi fi for temperature monitor
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Old 07-31-2022, 09:13 PM   #8
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I do have a small quartz heater on a thermocube in the compartment just in case

Aqua-Hot replacement runs $4k and upward towards $8

When i winterize i use antifreeze so being cautious until then
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Old 07-31-2022, 09:45 PM   #9
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Originally Posted by Judge View Post
You can also just kill shore power and then start testing outlets with a cheap Outlet Tester.... also a good way to verify the neutral, grounds, etc. are all good in your coach...... assuming your coach doesn't have the battery power and Inverter power that they wired every outlet to run off the Inverter.

Good idea.
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Old 07-31-2022, 09:47 PM   #10
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I do the same - keep small heaters in the basement and in the coach, even though I anti-freeze the AquaHot and other plumbing in the winter.
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Old 08-06-2022, 07:33 PM   #11
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Originally Posted by DaveB1 View Post
I would like to set up a way to get a text message or email notification automatically if the shore power to the coach goes out and the transfer switch goes to battery/inverter power. Has anyone done this and how did you do it?...
Dave - I have this in my 5th wheel. I am using a Victron Cerbo communications hub with my Victron gear. Using Node-Red on the Cerbo, a friend wrote some logic in Node-Red to send a Pushover message to me. I get that notification wherever I have the Pushover app in use (phone/watch). My messages say "Grid Lost" and "Grid Restored".
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Old 08-06-2022, 08:02 PM   #12
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Waggle
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Old 08-06-2022, 08:59 PM   #13
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jbeletti,
Thank you - that sounds like a very nice setup. Today I ordered a device ("Power Failure Detector with Text Message and Email Alerts" by MySpool) on Amazon. I am going to plug it into the vacuum outlet and see if it will send me a text message. Your setup sounds better, but if this works, I'll be happy.

Dave B.
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Old 08-06-2022, 11:44 PM   #14
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Originally Posted by DaveB1 View Post
jbeletti,
Thank you - that sounds like a very nice setup. Today I ordered a device ("Power Failure Detector with Text Message and Email Alerts" by MySpool) on Amazon. I am going to plug it into the vacuum outlet and see if it will send me a text message. Your setup sounds better, but if this works, I'll be happy.

Dave B.
How does it communicate to you if you lose power? how does it talk to the net?
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Old 08-07-2022, 01:17 AM   #15
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How does it communicate to you if you lose power? how does it talk to the net?
When grid AC power goes down, my inverters create AC power. As such, I don't lose power. That said, I am powering all my comm gear with DC power. So long as I have remaining battery power, I'm good to go on comms.
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Old 08-07-2022, 02:14 AM   #16
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The unit I'm using has internal battery backup and the coach internet access is on battery backup.
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