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06-21-2018, 07:03 PM
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#1
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Senior Member
Join Date: Jul 2016
Posts: 139
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Two AC Input Sources.
I assume this question is largely for 757Driver.
I have an Entegra Aspire. I happen to have 1,340 watts of solar on the roof. So far I haven't had much opportunity to use it... but we will later. We're full timers (just started less than a year ago) and we're still on the East coast.
At any rate, in the near future we'll be in a campground with only 30A. We're currently in the South and it's hot and humid. On 30A I imagine I can run the normal house stuff and I'm hoping/presuming one AC unit. I know I can run the house on 15A.
Perhaps I won't find myself in this situation ever again... but it got me thinking. It would be nice if I could isolate the 110V system into two sections... AC's and "all other" (house). Then I could run the house off of Solar / Battery and comfortably run an AC or maybe two off of 110V.
Any thoughts? Is this a totally crazy idea..? if so, please say so. I'm not afraid of the work or the wiring. I'm experience in those fields but I'm at a loss regarding the intricacies of the way the rig is wired and the way the multiple system's work together. There must be an 110V transfer device, probably an active device, not just a passive bus.
Thanks in advance for any thoughts.
__________________
2018 - Entegra Aspire, NIRVC
2011 - Subaru Outback
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06-21-2018, 07:11 PM
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#2
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Senior Member
Join Date: Nov 2017
Location: Back Woods of NC
Posts: 1,413
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Sounds like your looking to have the inverter assist when extra juice is needed. Think I have read where some Tiffins have this ability
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06-22-2018, 02:57 AM
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#3
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Senior Member
Join Date: Jul 2014
Posts: 35,349
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You would need to replace your inverter/charger with this.
https://www.wholesalesolar.com/29403...3012m-inverter
When drawing more then 30 amps from shore power, it will supplement the power by using your battery bank.
The solar will help keep the batteries charged during these times and the inverter/charger will revert to charging when your not using all of the avalable shore power.
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06-22-2018, 04:57 AM
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#4
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Senior Member
Entegra Owners Club
Join Date: Nov 2012
Posts: 8,108
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Yup. That is exactly what the hybrid inverter is desgned to do.
__________________
Marc and Jill, Wellington FL
2013 Entegra Anthem 44SL
2018 Lincoln MKX
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06-22-2018, 08:56 AM
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#5
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Senior Member
Entegra Owners Club
Join Date: Jun 2004
Location: Bayfield, Ontario
Posts: 5,456
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Quote:
Originally Posted by Just4Fun20
I assume this question is largely for 757Driver.
I have an Entegra Aspire. I happen to have 1,340 watts of solar on the roof. So far I haven't had much opportunity to use it... but we will later. We're full timers (just started less than a year ago) and we're still on the East coast.
At any rate, in the near future we'll be in a campground with only 30A. We're currently in the South and it's hot and humid. On 30A I imagine I can run the normal house stuff and I'm hoping/presuming one AC unit. I know I can run the house on 15A.
Perhaps I won't find myself in this situation ever again... but it got me thinking. It would be nice if I could isolate the 110V system into two sections... AC's and "all other" (house). Then I could run the house off of Solar / Battery and comfortably run an AC or maybe two off of 110V.
Any thoughts? Is this a totally crazy idea..? if so, please say so. I'm not afraid of the work or the wiring. I'm experience in those fields but I'm at a loss regarding the intricacies of the way the rig is wired and the way the multiple system's work together. There must be an 110V transfer device, probably an active device, not just a passive bus.
Thanks in advance for any thoughts.
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To accomplish what you are suggesting with wiring would be very involved and complicated and may not be possible to run wires where you need to get them.
As others have suggested already a hybrid inverter may be just what you are looking for for load sharing/supplementing when on 30A service or less.
__________________
Don & Gerri
2014 Entegra Anthem 44B
2014 Honda CRV Touring
1300W Solar, 1200AH LiFePO4 FMCA F443497
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06-22-2018, 03:51 PM
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#6
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Senior Member
Join Date: Jul 2016
Posts: 139
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Thank you all very much.
Yes the dual input inverter sounds like the cleanest, most reliable solution.
I appreciate the guidance.
__________________
2018 - Entegra Aspire, NIRVC
2011 - Subaru Outback
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06-22-2018, 06:46 PM
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#7
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Registered User
Join Date: Jan 2018
Posts: 1,385
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I used to do that all the time in the Monaco I used to have, and as soon as I get the solar on the roof of the Aspire, it will work here too.
The 110 volt stuff is all ready split in our coaches. The left breaker box is everything that has to run from shore power.
A/C's
Aquahot electric heater
Cooktop
washer dryer
fireplace
inverter. (charger)
The right hand panel is all the inverter stuff.
Basically everything else.
To separate them, the only thing you have to do is flip off the inverter breaker in the left breaker box.
It's really mislabelled, it should say charger, cause that's all it runs.
With it off, the magnum's inverter side will contiinue to operate normally.
So (only) the solar will charge the batteries
The magnum inverter will power the right hand breaker box normally.
And the left panel will power all of it's stuff from the 30 amp shore power.
It works, honest. Go flip your breaker and try it.
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06-22-2018, 07:31 PM
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#8
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Senior Member
Entegra Owners Club
Join Date: Apr 2007
Location: SW FL
Posts: 31,622
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Jim, I just learned something.....what a great way to make it work. Thanks for sharing that.
__________________
Chuck in SW FL
Digital 2021 Cornerstone "B"
A "Digital" 2019 Cornerstone "B" Traded
A "Classic" 2014 Anthem 42 RBQ---Sold
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06-22-2018, 10:07 PM
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#9
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Senior Member
Join Date: Apr 2013
Posts: 1,433
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Quote:
Originally Posted by MRUSA14
Yup. That is exactly what the hybrid inverter is desgned to do.
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Both of the Magnum inverters on my Anthem are labeled on their boxes as Hybrid inverters. Is this part of the solar package? That might help explain the amazingly high cost for 2 100 watt panels and a little controller.
__________________
2022 Newmar Ventana 3717
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06-23-2018, 04:49 AM
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#10
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Senior Member
Entegra Owners Club
Join Date: Apr 2007
Location: SW FL
Posts: 31,622
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Quote:
Originally Posted by DeeGee
Both of the Magnum inverters on my Anthem are labeled on their boxes as Hybrid inverters. Is this part of the solar package? That might help explain the amazingly high cost for 2 100 watt panels and a little controller.
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Interesting. I skipped solar this time around.....didn't work in inside storage I will have to check if the inverters are the same.
__________________
Chuck in SW FL
Digital 2021 Cornerstone "B"
A "Digital" 2019 Cornerstone "B" Traded
A "Classic" 2014 Anthem 42 RBQ---Sold
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06-23-2018, 09:28 AM
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#11
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Senior Member
Join Date: Apr 2017
Location: Port Orchard, WA
Posts: 167
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Quote:
Originally Posted by twinboat
You would need to replace your inverter/charger with this.
https://www.wholesalesolar.com/29403...3012m-inverter
When drawing more then 30 amps from shore power, it will supplement the power by using your battery bank.
The solar will help keep the batteries charged during these times and the inverter/charger will revert to charging when your not using all of the avalable shore power.
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Just for Fun, check your current inverter, I have the solar option in my Aspire and that is the inverter Entegra has installed in my coach.
__________________
Kevin, Caroline and IZZY
-2018 Entegra Aspire 44B, 2013 Ford C-Max (Toad), 2017 CanAm Maverick X3 XRS
-2004 Tiffin Phaeton QDH40 (Sold)
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06-23-2018, 01:41 PM
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#12
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Senior Member
Join Date: Aug 2016
Location: Scottsdale, AZ
Posts: 3,122
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Quote:
Originally Posted by brobox
Interesting. I skipped solar this time around.....didn't work in inside storage I will have to check if the inverters are the same.
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Chuck, I believe Entegra installs the same inverters whether you opt for solar panels or not.
Like you, I passed on solar when we ordered our 2018 CS. I'm not adverse to running the generator and I figured we could buy a lot of diesel fuel for the cost of the solar option.
The inverters in our coach are Magnum MSH3012M's.
__________________
Larry & Amy Beckner
Scottsdale, AZ
2022 Newmar Super Star 4061
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06-23-2018, 02:35 PM
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#13
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Senior Member
Entegra Owners Club
Join Date: Apr 2007
Location: SW FL
Posts: 31,622
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Quote:
Originally Posted by LWBAZ
Chuck, I believe Entegra installs the same inverters whether you opt for solar panels or not.
Like you, I passed on solar when we ordered our 2018 CS. I'm not adverse to running the generator and I figured we could buy a lot of diesel fuel for the cost of the solar option.
The inverters in our coach are Magnum MSH3012M's.
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I kind of figured they did being that all of the coaches are pre-wired for solar. Good to know that is a fact and they do have the 3012's.
__________________
Chuck in SW FL
Digital 2021 Cornerstone "B"
A "Digital" 2019 Cornerstone "B" Traded
A "Classic" 2014 Anthem 42 RBQ---Sold
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06-23-2018, 03:27 PM
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#14
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Senior Member
Join Date: Aug 2016
Location: Scottsdale, AZ
Posts: 3,122
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Quote:
Originally Posted by brobox
I kind of figured they did being that all of the coaches are pre-wired for solar. Good to know that is a fact and they do have the 3012's.
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Didn't know that but I'm glad to hear it. Should mitigate any disappointment the next owner may have regarding no solar panels.
__________________
Larry & Amy Beckner
Scottsdale, AZ
2022 Newmar Super Star 4061
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