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02-28-2023, 12:21 PM
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#1
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Junior Member
Join Date: Feb 2023
Location: Deming, New Mexico
Trailer: 2017 Heartland Arlington
Posts: 1
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Adding a second 50amp ATS
I have solar with a Magnum inverter and want to add a second ATS so as to have three inputs shore, Onan gen, solar does the inverter go into the gen on the new ATS?
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03-01-2023, 02:32 AM
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#2
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Site Team
Join Date: Dec 2017
Location: Mid Left Coast, California
Trailer: 2014 Escape 21
Posts: 5,122
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Normally, you plug your shore cord into the generator. If you want an ATS there, it would do the same thing, connect the generator output to the shore power input
Wait, your talking about a big 5th wheel? This forum is for the molded fiberglass trailers made by Escape. We have 30A service, and no room for onboard generators....
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03-01-2023, 12:32 PM
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#3
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Senior Member
Join Date: Oct 2019
Location: Western, Wisconsin
Trailer: WTB: E19
Posts: 238
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Quote:
Originally Posted by John in Santa Cruz
Normally, you plug your shore cord into the generator. If you want an ATS there, it would do the same thing, connect the generator output to the shore power input
Wait, your talking about a big 5th wheel? This forum is for the molded fiberglass trailers made by Escape. We have 30A service, and no room for onboard generators....
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John... Say it isn't so... A 2017 Heartland Arlington isn't a fiberglass
__________________
Bill & Cindy Evans
"Remember, we are guests in nature....no one likes a houseguest who trashes the place"
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03-01-2023, 12:43 PM
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#4
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Site Team
Join Date: Nov 2008
Location: Portland, Oregon
Trailer: 2014 Escape 5.0 TA
Posts: 11,023
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Quote:
Originally Posted by Escape_19
Jon... Say it isn't so... A 2017 Heartland Arlington isn't a fiberglass
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I'm not looking it up, but while it may be fiberglass (panels), it's not molded fiberglass.
__________________
Donna D.
Ten Forward
2014 Escape 5.0TA
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03-01-2023, 02:07 PM
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#5
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Senior Member
Join Date: Feb 2020
Location: East of Austin, Texas
Trailer: 2021 Escape 5.0 / 2022 F150 SuperCab
Posts: 2,866
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If using two 2-source ATS in series to accommodate 3 'hard wired' power sources
- Assuming the ATS are both labelled for "Shore In" and "Gen In' with shore taking priority when it's available
- Assuming you want the 3-source priority to be shore, then gen, then inverter (battery / solar)
- Connect shore and gen to ATS#1 as normal
- Connect ATS#1 Output to ATS#2 Shore In
- Connect Inverter output to ATS#2 Gen In
- Connect ATS#2 Output to house AC distribution system
IF your system auto-starts the Gen in the absence of shore power, and you want to go to Inverter in absence of shore power (as at a "no generators" campsite), you'll have to manually stop the Gen start-up to force the use of the inverter source.
There are 3-source transfer switches available, too.
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03-01-2023, 08:01 PM
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#6
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Site Team
Join Date: Dec 2017
Location: Mid Left Coast, California
Trailer: 2014 Escape 21
Posts: 5,122
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Quote:
Originally Posted by Centex
If using two 2-source ATS in series to accommodate 3 'hard wired' power sources
- Assuming the ATS are both labelled for "Shore In" and "Gen In' with shore taking priority when it's available
- Assuming you want the 3-source priority to be shore, then gen, then inverter (battery / solar)
- Connect shore and gen to ATS#1 as normal
- Connect ATS#1 Output to ATS#2 Shore In
- Connect Inverter output to ATS#2 Gen In
- Connect ATS#2 Output to house AC distribution system
IF your system auto-starts the Gen in the absence of shore power, and you want to go to Inverter in absence of shore power (as at a "no generators" campsite), you'll have to manually stop the Gen start-up to force the use of the inverter source.
There are 3-source transfer switches available, too.
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usually the inverter is behind the main breaker panel, as it only runs some loads and not others, for instance, you don't want dual rooftop AC units on an inverter, nor do you want your DC power converter (battery charger) to run off the inverter.... The inverter output goes to a transfer switch which is fed from the main panel, and outputs to a subpanel for the circuits that it does drive, such as microwave, and 120V outlets.
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