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02-19-2023, 09:08 AM
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#1
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Established Member
Join Date: Feb 2022
Location: Fulshear
Posts: 14
M.O.C. #30517
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Transfer switch
My 3121RL 2021 has a transfer switch but we don’t have or need a generator. The transfer switch has been replaced a few years ago but now is causing problems again.
Is there really a need to have it if no generator?
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02-19-2023, 09:24 AM
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#2
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,550
M.O.C. #2283
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Nope there is no reason to keep a transfer switch without a generator.
Lynwood
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02-19-2023, 09:48 AM
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#3
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Montana Master
Join Date: Jan 2022
Location: Shingle Springs
Posts: 2,225
M.O.C. #30417
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Quote:
Originally Posted by GMcLawhon
My 3121RL 2021 has a transfer switch but we don’t have or need a generator. The transfer switch has been replaced a few years ago but now is causing problems again.
Is there really a need to have it if no generator?
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Is your rig prepped for a generator? Do you have a residential fridge? Do you have an inverter?
__________________
Tony & Donna
2022 Montana HC, 295RL, Solar Flex 400, Onan 3600 LPG, 2K inverter, 200AH Lithium. 2020 GMC Denali 2500 6.6 Duramax, Demco 21K Auto Slide
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02-19-2023, 12:07 PM
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#4
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Established Member
Join Date: Feb 2022
Location: Fulshear
Posts: 14
M.O.C. #30517
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It is prepped for generator and I do have inverter and residential frig.
__________________
2020 GMC Sierra 3500 SRW Denali diesel pulling
2021 Montana 3121RL
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02-19-2023, 05:18 PM
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#5
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Montana Fan
Join Date: Nov 2020
Location: Gulfport
Posts: 105
M.O.C. #27628
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I replaced mine because it served no purpose, with a hardwired Watchdog. Mine was not prepped for generator. When I use a generator I just connect it to the shore power cord.
__________________
2021 Montana 3231CK, Legacy, Super Solar Flex, Dual Pane Windows, Slide-out Awnings
2021 Dodge RAM 3500 4x4 Limited 6.7 HO DRW, Trailer TPMS, B&W Companion Hitch
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02-19-2023, 07:02 PM
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#6
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Montana Master
Join Date: Jan 2022
Location: Shingle Springs
Posts: 2,225
M.O.C. #30417
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Quote:
Originally Posted by GMcLawhon
It is prepped for generator and I do have inverter and residential frig.
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If you're not going to install a generator you don't need the TS. You can direct connect the rig to shore power. The inverter is directly connected to the fridge so it doesn't come in to play.
__________________
Tony & Donna
2022 Montana HC, 295RL, Solar Flex 400, Onan 3600 LPG, 2K inverter, 200AH Lithium. 2020 GMC Denali 2500 6.6 Duramax, Demco 21K Auto Slide
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02-20-2023, 06:42 PM
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#7
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Montana Master
Join Date: Feb 2008
Location: woodstock
Posts: 542
M.O.C. #8174
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You can loose it
__________________
Ed
Montana Master
Woodstock Ga
2020 3931 FB Legacy
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02-20-2023, 06:50 PM
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#8
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Montana Master
Join Date: Aug 2004
Location: Livermore
Posts: 5,144
M.O.C. #1920
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GM, the reason they put that transfer switch in (I’m assuming you have a Legacy) is that it is the cheapest way they can put an EMS system in your unit. You originally had a Progressive Dynamics. Depending on when they replaced it, you either got another PD or a Southwire. So, to say it serves no purpose isn’t totally accurate. As Mike did, we replaced ours with the hardwired Watchdog EPO. We love it. Hope this helps.
__________________
Ron and Terrie Ames - MOC #1920/KF0NTA
2021Montana 3230CK Super Solar Legacy Package
2021 Ram 3500 Laramie Longhorn, BIM Charging
4x4, SRW, LB, Crew Cab, Pullrite 3900 Hitch
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02-20-2023, 08:08 PM
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#9
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Montana Master
Join Date: Jan 2022
Location: Shingle Springs
Posts: 2,225
M.O.C. #30417
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They put the TS in because it's gen prepped.
__________________
Tony & Donna
2022 Montana HC, 295RL, Solar Flex 400, Onan 3600 LPG, 2K inverter, 200AH Lithium. 2020 GMC Denali 2500 6.6 Duramax, Demco 21K Auto Slide
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02-20-2023, 08:13 PM
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#10
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Montana Master
Join Date: Aug 2004
Location: Livermore
Posts: 5,144
M.O.C. #1920
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My SS is not gen prepped. Had two TS’s. One is in the Magnum inverter and a second one solely because it had the EMS.
__________________
Ron and Terrie Ames - MOC #1920/KF0NTA
2021Montana 3230CK Super Solar Legacy Package
2021 Ram 3500 Laramie Longhorn, BIM Charging
4x4, SRW, LB, Crew Cab, Pullrite 3900 Hitch
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02-21-2023, 09:05 AM
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#11
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Montana Master
Join Date: Jan 2022
Location: Shingle Springs
Posts: 2,225
M.O.C. #30417
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But the OP GMcLawhon is. I was referring to his question. 
__________________
Tony & Donna
2022 Montana HC, 295RL, Solar Flex 400, Onan 3600 LPG, 2K inverter, 200AH Lithium. 2020 GMC Denali 2500 6.6 Duramax, Demco 21K Auto Slide
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02-21-2023, 09:36 AM
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#12
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Montana Master
Join Date: Aug 2004
Location: Livermore
Posts: 5,144
M.O.C. #1920
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Tony, he said he doesn’t have or need a generator, can he just remove the transfer switch. My answer was yes, we did. Am I missing something? I also thought I was answering the question. I must be mistaken.
__________________
Ron and Terrie Ames - MOC #1920/KF0NTA
2021Montana 3230CK Super Solar Legacy Package
2021 Ram 3500 Laramie Longhorn, BIM Charging
4x4, SRW, LB, Crew Cab, Pullrite 3900 Hitch
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02-21-2023, 11:28 AM
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#13
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,550
M.O.C. #2283
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Quote:
Originally Posted by rames14
Tony, he said he doesn’t have or need a generator, can he just remove the transfer switch. My answer was yes, we did. Am I missing something? I also thought I was answering the question. I must be mistaken.
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I did answer his question in post 2. Take the thing out and throw it away or disconnect it.
Lynwood
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