View Poll Results: Is it normal for AC and Microwave to trip circuit breaker?
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Yes, its just how it is.
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57.33% |
No, the dealer is full of it.
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42.67% |
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07-21-2015, 09:48 AM
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#1
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Member
Join Date: Jul 2015
Posts: 73
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Microwave and AC Trip Breaker - Dealer Says Normal?
Hello All!
Working through some painful stuff with picking up my new RV.
On our first trip, we noticed that when we are using the AC and the Microwave a circuit breaker trips. I asked the dealer about this and was told that it was normal and that I couldn't use both of them together.
Is this true? It just doesn't make sense to me.
2016 Sunseeker 3050SF
Thanks all,
Bill
__________________
2016 SUNSEEKER 3050SF
The early bird gets the worm, but the second mouse gets the cheese
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07-21-2015, 09:50 AM
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#2
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Senior Member
Join Date: Sep 2010
Location: Eastern Ontario
Posts: 4,167
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What size power cord do you have: 30 or 50 amps? If 30 amps, yes you have to manage your load.
See this thread.
http://www.forestriverforums.com/for...ker-88037.html
__________________
Fonzie
2011 Rockwood 8319SS with ProPride 3P hitch/GoodYear Marathons/TST TPMS 507
2019 F350 Ruby Red 6.7l diesel 3.31 axle electronic locker
Yamaha 3000iseb generator:Progressive Ind. EMS-HW30C : Eastern Ontario
Nights Camped: 2014 (18) 2015 (18) 2016 (36) 2017 (32) 2018 (42) 2019 (28) 2020 (35)
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07-21-2015, 09:52 AM
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#3
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Member
Join Date: Jul 2015
Posts: 73
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30 AMP. Ok, so is there a way I can work around this? Should both use the full 30 amps?
Thanks so much,
Bill
__________________
2016 SUNSEEKER 3050SF
The early bird gets the worm, but the second mouse gets the cheese
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07-21-2015, 09:58 AM
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#4
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Senior Member
Join Date: Sep 2010
Location: Eastern Ontario
Posts: 4,167
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Not really, you just have to manage what you use at the same time. See post #5 in link above.
__________________
Fonzie
2011 Rockwood 8319SS with ProPride 3P hitch/GoodYear Marathons/TST TPMS 507
2019 F350 Ruby Red 6.7l diesel 3.31 axle electronic locker
Yamaha 3000iseb generator:Progressive Ind. EMS-HW30C : Eastern Ontario
Nights Camped: 2014 (18) 2015 (18) 2016 (36) 2017 (32) 2018 (42) 2019 (28) 2020 (35)
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07-21-2015, 09:59 AM
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#5
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by DoctorT68
30 AMP. Ok, so is there a way I can work around this? Should both use the full 30 amps?
Thanks so much,
Bill
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http://www.forestriverforums.com/for...aws-17300.html
A/c uses around 12-13 amps
Microwave uses 12 - 13 amps
Converter uses 1 - 8 amps.
If your fridge was on electric 5-8 amps and your hot water heater was on on electric 9 - 13 amps it's not hard to do the math on this one.
Converter is always a constant amp draw regardless of anything else.
Your @ 24 to 26 amps with microwave and a/c Then add let's say 4 amps for converter. [emoji10]
TURBS
08 duramax tuned n modded
2011 32bhok Sabre
2015 camping "15 nights"
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07-21-2015, 10:11 AM
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#6
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Senior Member
Join Date: Feb 2013
Location: iowa
Posts: 285
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I can run ac and microwave at same time on my 2011 3170 30 amp either off of shore power or generator never tripped the breaker. I also only run the water heater on LP.
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07-21-2015, 10:44 AM
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#7
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Senior Member
Join Date: Jun 2014
Posts: 268
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Quote:
Originally Posted by lbrunning
I can run ac and microwave at same time on my 2011 3170 30 amp either off of shore power or generator never tripped the breaker. I also only run the water heater on LP.
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I was going to ask him about that. Is the hot water heater on electric or lp? I usually figure on 1 hear type item along with the air conditioner. Coffee maker, hair dryer, hot water heater. Once you have more than one of those items going at the same time you'll more than likely trip your breaker or the campground breaker.
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07-21-2015, 11:29 AM
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#8
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Senior Member
Join Date: Feb 2012
Posts: 958
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Quote:
Originally Posted by DoctorT68
Hello All!
Working through some painful stuff with picking up my new RV.
On our first trip, we noticed that when we are using the AC and the Microwave a circuit breaker trips. I asked the dealer about this and was told that it was normal and that I couldn't use both of them together.
Is this true? It just doesn't make sense to me.
2016 Sunseeker 3050SF
Thanks all,
Bill
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You should be able to use both together no problem but nothing much else. If the water heater kicks on electric or other large load like a coffee maker or maybe even the refrigerator if you have the large 4 door option it will likely trip. Also if you have the optional larger 15K A/C you may have more issues. Some people have converted over to 50 amp service to resolve the issues.
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07-21-2015, 11:35 AM
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#9
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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With all this being said, I to can run a/c and microwave @ the same time.
It's possible that the cheap China breaker wfco uses is weak.
Possibly look into a replacement breaker from hardware store.
TURBS
08 duramax tuned n modded
2011 32bhok Sabre
2015 camping "15 nights"
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07-21-2015, 12:08 PM
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#10
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Senior Member
Join Date: Aug 2014
Posts: 184
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Quote:
Originally Posted by lbrunning
I can run ac and microwave at same time on my 2011 3170 30 amp either off of shore power or generator never tripped the breaker. I also only run the water heater on LP.
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X2. I Use my electric water heater, but make sure to switch it off before I fire up the microwave. I also plug my rv in the night before I leave so the batteries are topped off. If not you could be several hours at the campground drawing maximum amperage from your converter to charge your batteries and run your 12 volt accessories.
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07-21-2015, 12:18 PM
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#11
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Senior Member
Join Date: Oct 2014
Location: Weedsport NY
Posts: 118
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My Flagstaff 8528ikws has a switch that automatically shuts off power to one if you try to use the fireplace and microwave at the same time. I'm not sure if the AC is on that switch too. It doesn't trip a breaker.
__________________
Semi retired now and enjoying it.
2013 F150 Super Cab 4x4, 3.5L ecoboost , 7700lb suspension package. 11,300 towing capacity and Max Tow package
2015 Flagstaff 8528IKWS Diamond
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07-21-2015, 12:19 PM
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#12
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Senior Member
Join Date: Jul 2012
Location: Orange Texas
Posts: 790
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Quote:
Originally Posted by TURBS
With all this being said, I to can run a/c and microwave @ the same time.
It's possible that the cheap China breaker wfco uses is weak.
Possibly look into a replacement breaker from hardware store.
TURBS
08 duramax tuned n modded
2011 32bhok Sabre
2015 camping "15 nights"
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I also was able to use both on my previous rig IF I had full voltage at the campground. Check the pedestal to see how many volts you have. I have been in some places was the voltage was a little low and that created problems for me.
__________________
2013 Crusader 330 MKS
2013 Chevrolet Silverado LT 2500 D/A
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07-21-2015, 12:21 PM
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#13
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Senior Member
Join Date: Mar 2013
Posts: 211
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The water heater (Suburban 6 12amps)is often overlooked. You have to do some math as far as what you can draw from the power well. Seems like too much figuring when you're on vacation!
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07-21-2015, 12:21 PM
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#14
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Member
Join Date: Feb 2013
Location: Holland, MI
Posts: 45
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Quote:
Originally Posted by TURBS
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Not true. Converter AC draw is a function of DC load. Zero DC load will have a very small AC draw by the converter. (I do my own electrical stunts - Electrical Power Engineer and PE).
__________________
LLVanB
2013 Coachmen Encounter 36KS, 2020 Chevrolet Equinox toad, Roadmaster Falcon 2, Brake Buddy Vantage Select, Protect-a-Tow, 5 Star Tune, M4 LED lights, BIRD, ATS, Xantrex PROwatt 1000 SW Inverter and many other accessories & mods.
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07-21-2015, 12:23 PM
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#15
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by LLVanB
Not true. Converter AC draw is a function of DC load. Zero DC load will have a very small AC draw by the converter. (I do my own electrical stunts - Electrical Power Engineer and PE).
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Sorry but true.
the converter must use ac amps to supply DC voltage.
Explain to me how you convert ac voltage to DC voltage without an AC amp draw?
TURBS
08 duramax tuned n modded
2011 32bhok Sabre
2015 camping "15 nights"
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07-21-2015, 12:26 PM
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#16
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Senior Member
Join Date: Jul 2013
Location: Baton Rouge
Posts: 497
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Quote:
Originally Posted by DoctorT68
Hello All!
Working through some painful stuff with picking up my new RV.
On our first trip, we noticed that when we are using the AC and the Microwave a circuit breaker trips. I asked the dealer about this and was told that it was normal and that I couldn't use both of them together.
Is this true? It just doesn't make sense to me.
2016 Sunseeker 3050SF
Thanks all,
Bill
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What is the supply voltage?
The lower the supply voltage the harder the appliance(s) have to work which means higher than normal amp draw.
I was at a campground that had 115 volts no load. My A/C pulls 13.5 amps max when at 120 volts. This particular campground my A/C amps went to 17 (because once I added my A/C load the volts dropped to 112).
Thankfully my Progressive Industries EMS was in-line. At one point the CG voltage dropped to 105, the EMS "opened" helping to protect my appliances.
I could not run my A/C, microwave and WH elect. at the same time like I usually do.
Bobby
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07-21-2015, 12:28 PM
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#17
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Junior Member
Join Date: Jul 2015
Posts: 7
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Use of Microwave and Ac
We have a 2013 Flagstaff Diamond Package IKWS and we have been able to use both but not if the television or any other plug in device is in use. Our breaker for the microwave is on a switch with the fireplace so no heat and micro. We have learned to make the coffee first warm whatever in the micro wave. Toast the toast then put back the ac or heat on . Just a little bit of thinking ahead. We also use water heater on propane and the fridge also.
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07-21-2015, 12:36 PM
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#18
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by LLVanB
Not true. Converter AC draw is a function of DC load. Zero DC load will have a very small AC draw by the converter. (I do my own electrical stunts - Electrical Power Engineer and PE).
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read the input.
TURBS
08 duramax tuned n modded
2011 32bhok Sabre
2015 camping "15 nights"
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07-21-2015, 12:37 PM
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#19
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Senior Member
Join Date: May 2014
Location: Waterloo Region
Posts: 729
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I haven't seen this question asked... when you say 'a' breaker trips, are you talking about one of the 15amp branch circuits in the distro panel, the 30 amp main breaker or the one on the pole? I could see the 30 amp in either the converter or at the pole tripping for the many reasons given above but a single 15amp branch circuit should not have 2 high-draw appliances on it... A/C should be a dedicated circuit as should micro (that's the way it is in my 5er). If they are on the same circuit, I would say that is miswiring.
__________________
2015 Rockwood Signature UltraLite 8282WS Platinum, GY Marathon LRD, TST 507RV TPMS
2005 GMC 2500HD CCSB D/A, Curt E16, Prodigy P2, Garmin RV760LMT w/BC-20 b/u cam
Self restraint is for the young. I'm old and want it NOW!
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07-21-2015, 12:40 PM
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#20
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Senior Member
Join Date: Sep 2012
Location: Virginia
Posts: 9,679
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We tripped the main 30A breaker once last week while using the microwave & the 15000 AC the Compressor was probably cycling........ Also use a 30A Progressive Industries power protection. Power was reading properly at the pedestal.
We did finally wise up and add a second 30A service for the extra things. Last year we tripped the pedestal and the main 30A trailer breakers often with the AC & Microwave but my fault for trying to run too much. . We also use the water heater on propane as I have for 30 years.
__________________
2005 Dodge 3500 Cummins
2017 Wildwood Lodge 4092 BFL
1966 Mustang GT
1986 Mustang SVO
Lillie Spoiled Rotten Boxer Mix
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