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 > A/C on 116 volts?

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NEOK

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Posted: 08/08/19 03:24pm Link  |  Quote  |  Print  |  Notify Moderator

I just pulled into a site and EMS only shows 116 volts. Would you trust it to run 10,500btu AC unit for one night without doing damage go the unit?

Thanks


neok
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theoldwizard1

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Posted: 08/08/19 03:27pm Link  |  Quote  |  Print  |  Notify Moderator

That is well within the specifications in the US, as long as it does not drop to far when the AC is starting.

rk911

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Posted: 08/08/19 03:28pm Link  |  Quote  |  Print  |  Notify Moderator

I would, yes. 120-volts +/- 10% (108-132).


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LittleBill

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Posted: 08/08/19 03:38pm Link  |  Quote  |  Print  |  Notify Moderator

108v and higher and your good while running





vermilye

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Posted: 08/08/19 03:47pm Link  |  Quote  |  Print  |  Notify Moderator

LittleBill wrote:

108v and higher and your good while running
is the important point. If you see 108V with the compressor off, it will likely drop below that when it starts & runs.


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NEOK

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Posted: 08/08/19 03:53pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks to everyone for the quick replies.

Neok

wa8yxm

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Posted: 08/08/19 04:33pm Link  |  Quote  |  Print  |  Notify Moderator

theoldwizard1 wrote:

That is well within the specifications in the US, as long as it does not drop to far when the AC is starting.


Second I'd have no probems with 116.

IN my life standard household voltage was first called 110 (and 220)

Then it became 115/230 and now 120/240

116 is meter error off dead center in that range (115)


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LadyRVer

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Posted: 08/08/19 04:54pm Link  |  Quote  |  Print  |  Notify Moderator

Don't like to, but if it hits 105, I switch refrig to LP and that helps a little.

Agree with the other posters. I don't panic at 108-110.. but don't like it in that range.

pianotuna

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Posted: 08/08/19 06:11pm Link  |  Quote  |  Print  |  Notify Moderator

There are autoformers that can deal with low voltage.


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myredracer

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Posted: 08/08/19 06:56pm Link  |  Quote  |  Print  |  Notify Moderator

To add to the above, it's a good idea to have a permanently mounted LED voltmeter inside. Voltage can often fluctuate over 24 hours, depending on how many other occupied sites there are and how many are running AC units. Other RV-ers can also drag the voltage down around lunch and dinner time due to some folks using electric appliances in addition to AC units.

If you see voltage at around 110 you may want to keep an eye on it. If it gets below 105, that's when it can cause damage to AC units.

If you do encounter low voltage, as mentioned, an autoformer may keep you going when you'd otherwise have to shut the AC off. An EMS unit is a good investment as it will automatically shut you down on low voltage.


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