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09-01-2019, 12:43 AM
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#1
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Junior Member
Brand: Thor Motor Coach
Model: Vegas 25.2
State: Texas
Posts: 12
THOR #14960
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Vegas 25.2 AC information
Hello all,
I have a question regarding the AC on my rig. Does the generator have to be on for the AC to work? I was told when we bought it that it had to run for AC to work as it would trip the circuit breaker, which I did try and it did. Is there something that could be done to use shore power to power the AC? Thanks.
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09-01-2019, 12:50 AM
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#2
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Senior Member
Brand: Thor Motor Coach
Model: Four Winds 31E (2019)
State: California
Posts: 249
THOR #12270
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Im not sure on the Vegas, but it would be odd to not have the AC run off of the generator or shore power on basically any rig. unless the generator is less than wattage it should be or your trying to power 2 ac's from it.
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09-01-2019, 12:54 AM
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#3
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Junior Member
Brand: Thor Motor Coach
Model: Vegas 25.2
State: Texas
Posts: 12
THOR #14960
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The rig just has one AC. I do not know if there should be some kind of switch or inverter. Possibly because the RV runs on 30 amp?
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09-01-2019, 12:57 AM
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#4
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Senior Member
Brand: Thor Motor Coach
Model: Hurricane 32A
State: Florida
Posts: 1,873
THOR #2829
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Quote:
Originally Posted by hvilla257
Hello all,
I have a question regarding the AC on my rig. Does the generator have to be on for the AC to work? I was told when we bought it that it had to run for AC to work as it would trip the circuit breaker, which I did try and it did. Is there something that could be done to use shore power to power the AC? Thanks.
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It certainly should work on shore power with your rig...
What circuit breaker tripped?
What else was on? (Don’t forget hidden loads like converter and hot water heater if set to electric.)
You don’t have unlimited power on 30A rig... but unless 3 or more major loads are on, it should work fine on shore power.
__________________
Greg
Not yet retired...
Florida (Michigan transplant)
2014 Hurricane 32A
2000 Infinity (previous)
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09-01-2019, 01:00 AM
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#5
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Junior Member
Brand: Thor Motor Coach
Model: Vegas 25.2
State: Texas
Posts: 12
THOR #14960
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the breaker outside where we plug in the power trips. We only had tv and water heater. We are new to this since May so we are unsure what the problem is.
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09-01-2019, 01:09 AM
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#6
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Senior Member
Brand: Thor Motor Coach
Model: Vegas 25.5
State: Florida
Posts: 278
THOR #12686
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Your AC works on gen or shore power. It is a 110v system. Are you plugged in at a campground or at home?
__________________
Mike & Diane
2018 Thor Vegas 25.5
2017 Jeep Wrangler Unlimited
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09-01-2019, 01:14 AM
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#7
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Junior Member
Brand: Thor Motor Coach
Model: Vegas 25.2
State: Texas
Posts: 12
THOR #14960
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We were plugged in at a campsite. I am home right now and have it plugged but I'm afraid to try it and trip the breaker, not that it's a big problem. Just not sure what I need to do.
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09-01-2019, 02:03 AM
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#8
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,129
THOR #7035
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Quote:
Originally Posted by hvilla257
Hello all,
I have a question regarding the AC on my rig. Does the generator have to be on for the AC to work? I was told when we bought it that it had to run for AC to work as it would trip the circuit breaker, which I did try and it did. Is there something that could be done to use shore power to power the AC? Thanks.
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That is incorrect information. There are thousands of RVs, many without a generator, that run the same size or larger AC on 30 amp shore power without a problem. Did you buy your Vegas used? Is this what the previous owner told you?
__________________
Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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09-01-2019, 02:11 AM
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#9
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Junior Member
Brand: Thor Motor Coach
Model: Vegas 25.2
State: Texas
Posts: 12
THOR #14960
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We bought it used at an rv lot where they rent RV's. The salesman told us this when we bought it.
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09-01-2019, 02:24 AM
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#10
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Senior Member
Brand: Thor Motor Coach
Model: Vegas 25.5
State: Florida
Posts: 278
THOR #12686
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Quote:
Originally Posted by hvilla257
We bought it used at an rv lot where they rent RV's. The salesman told us this when we bought it.
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What he should have told you is "this unit has a defect". You should be getting some good troubleshooting advice from the folks here shortly. I will need to scratch my head and think a bit before I throw advice out on this one.
__________________
Mike & Diane
2018 Thor Vegas 25.5
2017 Jeep Wrangler Unlimited
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09-01-2019, 02:25 AM
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#11
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,129
THOR #7035
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Quote:
Originally Posted by hvilla257
We bought it used at an rv lot where they rent RV's. The salesman told us this when we bought it.
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Of course he did! How do you know when a salesman is lying?
__________________
Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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09-01-2019, 02:35 AM
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#12
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Junior Member
Brand: Thor Motor Coach
Model: Vegas 25.2
State: Texas
Posts: 12
THOR #14960
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Lol, seemed like a nice fella too. Any recommendations? I am going to try it at home while its plugged and see what happens.
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09-01-2019, 03:31 AM
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#13
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,129
THOR #7035
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Do you have a 30 amp RV receptacle at home? I would not run the AC using an adapter to plug into a regular 120 VAC 15/20 amp receptacle.
__________________
Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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09-01-2019, 12:30 PM
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#14
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Senior Member
Brand: Thor Motor Coach
Model: Hurricane 32A
State: Florida
Posts: 1,873
THOR #2829
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Quote:
Originally Posted by hvilla257
We were plugged in at a campsite. I am home right now and have it plugged but I'm afraid to try it and trip the breaker, not that it's a big problem. Just not sure what I need to do.
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Assuming you are plugged into at least a 30A service at home (As 16ACE27 said - I wouldn't try it on a 15a or 20a circuit - might work on 20 with nothing else and a heavy cord (not an orange extension)... but..
Turn off everything else big (WH specifically) - and try the AC alone...
With it running (assuming it does) try during the WH back to electric.
Not sure about the rooftop units - but residential ACs have a LARGE capacitor to help start the compressor... without that - it can try to draw 100A or more.... Just had to replace that last month on sticks/bricks home... But that would trip out the RV main or the genny breaker too...
__________________
Greg
Not yet retired...
Florida (Michigan transplant)
2014 Hurricane 32A
2000 Infinity (previous)
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09-01-2019, 02:05 PM
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#15
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Senior Member
Brand: Thor Motor Coach
State: Georgia
Posts: 2,585
THOR #4735
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yes, help us to understand by telling us EXACTLY how you are 'plugged in'... as that statement can mean many different things...
are you plugged into a working 30amp RV outlet?
are you only plugged into a regular HOUSEHOLD type outlet?
what 'other' things do you have 'ON' when you plug in?
where is this 'breaker' that is tripping? your home's main panel?
What 'SIZE' breaker is this?
__________________
the Turners...
two Campers, two Electric cars
former diesel pusher traveler
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09-01-2019, 06:20 PM
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#16
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Member
Brand: Thor Motor Coach
Model: 2018 Vegas 25.4
State: Oregon
Posts: 30
THOR #14061
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vegas 24.2 ac problem
I use my ac all the time on 20 amp receptacle. I have never had a problem even when the frig. is on elect. It will not work on 15 amp.
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09-13-2019, 12:42 AM
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#17
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Junior Member
Brand: Thor Motor Coach
State: Nebraska
Posts: 1
THOR #16691
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Vegas 24.2 ac problem
I had same issue with my Vegas 24.1. Can it’s ac run on gas as well as generator?
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09-13-2019, 04:24 AM
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#18
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Senior Member
Brand: Thor Motor Coach
Model: Vegas 2018 24.1
State: Florida
Posts: 179
THOR #12484
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Quote:
Originally Posted by waterdog
I use my ac all the time on 20 amp receptacle. I have never had a problem even when the frig. is on elect. It will not work on 15 amp.
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Same here. 4 rv’s and never a problem. Microwave would probably overload it but fridge and AC never a problem.
__________________
2018 Vegas 24.1
2006 Gulf Stream G24 Sprinter Van
2004 Newmar Scottsdale 3456
2002 National See Breeze 1341
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09-13-2019, 11:08 AM
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#19
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,129
THOR #7035
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Quote:
Originally Posted by Hoey
I had same issue with my Vegas 24.1. Can it’s ac run on gas as well as generator?
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Air conditioners never run on "gas".
For the OP - Running the electric element on your water heater and the Air Conditioner on a hot day with the other minor AC loads such as the Fridge and Converter charging your battery can put you at the 30 amp limit. It's better to run you water heater on gas and not electric in this situation.
__________________
Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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09-13-2019, 02:29 PM
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#20
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Senior Member
Brand: Keystone
Model: Sprinter
State: Florida
Posts: 1,422
THOR #15553
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Quote:
Originally Posted by hvilla257
Hello all,
I have a question regarding the AC on my rig. Does the generator have to be on for the AC to work? I was told when we bought it that it had to run for AC to work as it would trip the circuit breaker, which I did try and it did. Is there something that could be done to use shore power to power the AC? Thanks.
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FYI. AC = electric. A/C = air conditioning. A/C and microwave will work together on Gen or shore power 30 amp. Put Water Heater on GAS and all will be good. If at home on a 15/20 amp circuit, A/C and lights only. Use volt meter to check campground voltage. Chances are it will be low. This will reduse your AC availability.
__________________
2011 Keystone Sprinter 323BHS. Retired Master Electrician. All Motor Homes are RV's. All RV's are not Motor Homes.
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