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06-30-2021, 03:26 PM #11
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[QUOTE=too long a cord run from the pedestal[/QUOTE]
Cord is standard 50Amp cord, 25' long - is that too long?Ram 2500 Hemi V8 6.4L Long Bed
2021 Reflection 150 295RL
"If you're going to shoot, SHOOT. Don't talk."
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06-30-2021, 03:37 PM #12
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Actually, 114 is NOT officially low voltage. The standard is 120 volts....plus or minus 10%. So 120 volt minus 10% of that takes it down to 108 volts. The typical EMS that you would put in a trailer will take you off line at voltages less than 108 volts on the hot leg to neutral.
2016 F350 CrewCab Dually
2018 Momentum 394M...Heavily Modded!
2023 Suzuki GSX-S1000 GT+
Excessive Payload is a Wonderful Thing
"If it ain't fast....It ain't Fun"
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07-01-2021, 01:17 PM #13
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07-01-2021, 05:57 PM #14
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Do you have a Plug-in Surge protector that can tell you if you have a Ground Fault or Reversed Polarity on your new 30 amp outlet?
You need to get a TT-30 Wiring design to determine if your new outlet was wired properly (i.e.: 120v between the two legs and 120v between only one leg and Ground).
If your outlet is wired properly, I would tear apart the outlet (after ensuring the power is completely off) and ensure that the proper wire gauge was used for the outlet, be sure to measure the distance from the breaker box to the outlet (allowing extra length for wire routing) and find a wire gauge loss calculator to ensure your Electrician did not undersize the wires going to your new outlet.
Also, ensure that you have a 30 amp breaker in your breaker box.
You might also check that you have a good quality Dog-Bone adapter for your 30 amp to 50 amp connection.
Bottom line: you are not getting enough amperage/adequate voltage to your camper.
PS: your 25 foot 50 amp power cord is not part of your power loss.David and Peggy
2019 Ford F350 Lariat, 6.7L Diesel, Dually, Long Bed
Running with 20k Reese Goosebox (Love It) and Ford Factory "Puck" system.
Stopping with 8,000 lb Disc Brakes and Titan Hydraulic over Electric Brakes system.
Powering all this fun with 1200 Watts of Solar, two Tesla, Model S, battery modules, 24 volt Victron Inverter.
2018 Solitude 310 GK
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07-01-2021, 06:01 PM #15
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I wouldn't think a 25' 50A cord would be a problem even using the dogbone.
I do wonder if the A/C's have the Start Device Pkg. (includes start capacitor and PTCR device) installed.
The Mach 8 15K had this, a PTCR & a capacitor, it's a simpler version of a 5-2-1 hard start kit.
This gets removed when the EasyStart is installed.
I was doing a EasyStart install today on a Mach 8 15K BTU at storage and wanted to get it setup.
I'm plugged into a 20A outlet with ~30' of 12 Awg extension cord to short 15A to 50A adapter.
This 20A outlet is maybe 100 to 150' from the CB panel and isn't the best source of power for setting up the EasyStart, but I wanted to see what it would do.
I had 120VAC w/o any load which dropped to 111VAC when I was running the A/C for the 5 learning starts.
I'd start the A/C and see ~3.7A when the blower fan started and then jump up to ~46.5A when the compressor started and then leveled out to ~12.5A.
After the learning starts were finished, the EasyStart Bluetooth app said 17.2A was the compressor start amps, and running amps ~12.5 again.- Gene
Kim & Gene
2015 Reflection 317RST
2017 Ram 3500 CC LB 4x2 6.7 CTD AISIN 3.73 DRW Auto Level Rear Air, BD3, Prodigy P3, Aux Tank
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07-07-2021, 03:33 PM #16
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The standard cord you have with the rv should be sufficient I assume it’s 6/4, you are getting the voltage drop because you don’t have a large enough hose somewhere in the run from the panel to your trailer and given you are using the standard 6/4 power cord that leads me to think the dog bone you have does not have a thick enough awg or the feed to the pedestal is not soft sufficient awg.
Do you know the length and what gauge he used from the panel to the pedestal?The only thing that works on a RV is the owner...
Jared - 315RLTS - 2500HD
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07-07-2021, 03:49 PM #17
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You should be able to run one unit on 30A but as noted above. However if your voltage is marginal it may not work or act strange.
I would not continue to attempt to restart the AC in this scenario as a low voltage situation will fry your AC or your progressive EMS (if you have one).
You can rule out the 30A outlet by verifying voltage in your home at other outlets. If you have below spec AC voltage in your home you can call the power company to come out and check it. I have had such a problem in my storage lot where my progressive EMS has cut power to my trailer since it got either too low (104v) or too high
(132v).https://www.rvsafety.net/Manuals/PT50C.pdfLast edited by bjlakatos; 07-07-2021 at 04:05 PM.
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07-07-2021, 07:40 PM #18
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I have 2 15000 btu air conditioners on my Solitude, they are stock. I have no problem running either AC with my Champion 3500 watt generator with a 30' 30A cord from the generator to the 50A input on my Solitude. The generator rides on a rack on the back of the rig.
it sounds to me like that receptacle is not wired properly. I would call that guy back.Last edited by Malco1; 07-07-2021 at 07:44 PM.
Mal & Helen
With Mitzi our Yorkie
2021 Solitude 310GK-R
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07-07-2021, 08:37 PM #19
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Just to double check--all the prongs/blades bright and clean on the power cord (50A male) and dogbone (30A male) ?
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07-07-2021, 08:48 PM #20
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Actually, motors for 120 VAC systems are namplated at 115 V, which means he motor will produce rated output with 115 V input. Between ANSI C84.1 and NEMA standards, a 115 V motor should operate from 109 V to 121 V optimally and from 104 V to 127 V satisfactorily, but not optimally.
John & Nadine Bagby
2016 Reflection 303RLS
2006 Chevy 2500HD CCLB Diesel
Booth Dinette converted to Bed...
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