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Old 06-17-2016, 07:11 PM   #11
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Can't take the dog to the play at Stratford Festival. Can't park near the pedestal due to slope. We're sacrificing the tickets and staying home.


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Old 06-17-2016, 07:32 PM   #12
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30/50 Amp pedestal

Does the pedestal have a 50 AMP connection? If it does, use a 50 Amp cable converter. If you have one. This may solve the problem.

Your pedestal 30 amp breaker circuit may be bad or too much load on the line by all the other campers causing your pedestal to kick off line.
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Old 06-17-2016, 07:43 PM   #13
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Does your surge protector show line in voltage? May already be low coming in,and with long cord, (the extra 30 ft), you are pulling to many amps.
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Old 06-17-2016, 07:48 PM   #14
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Low campground voltage will do this. Almost always found on the 30 amp loop of older campgrounds that used minimum gauge aluminum service wire.

Move to a 50 amp site and use a dogbone adapter if possible.

Using an autotransformer will boost low voltage at your site and allow the compressor to turn over.

Watch the startup amps and voltage drop as the compressor fires up. I have a 2 second delay relay between compressor start and fan motor start. Before I put the relay in to delay fan startup, the LRA has routinely topped 30 amps; though not long enough to tip the pedestal breaker at a well wired campground.


At a marginally wired campground, low voltage will cause a pedestal trip even with the delay relay and hard start capacitor.
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Old 06-17-2016, 08:27 PM   #15
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one thing to do is check the power at the pedestal while the unit is on with the ac running.
If you don't have 120 volts while the ac is running at the breaker, then they have a voltage drop issue. This is if you have a meter to check voltage.
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Old 06-18-2016, 12:15 AM   #16
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Quote:
Originally Posted by DAISY BOYKIN View Post
Does the pedestal have a 50 AMP connection? If it does, use a 50 Amp cable converter. If you have one. This may solve the problem.

Your pedestal 30 amp breaker circuit may be bad or too much load on the line by all the other campers causing your pedestal to kick off line.

30A only. I think it's our load. Tripped two separate breakers. No one else seems to be having trouble. Also eliminated the problem (apparently) by turning off all our other circuits besides AC and converter.

Thanks.


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Old 06-18-2016, 12:16 AM   #17
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Quote:
Originally Posted by Ida Ratherbe Camping View Post
Does your surge protector show line in voltage? May already be low coming in,and with long cord, (the extra 30 ft), you are pulling to many amps.

Line in has been 117-124V. Pretty steady around 118-120. No line errors.


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Old 06-18-2016, 12:28 AM   #18
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Thanks all for tips and suggestions. The temperature came down at the last hour so we were able to switch to FantasticVent in thermostat and we got to the play although 10 min. late!

The best I can tell without an electrician is the 50' of cord caused some voltage drop which increased the amp draw across multiple appliances. I realized there would be a small voltage drop, for example ---

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But didn't appreciate that this would cause an amp increase to fulfill the power demand.




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Old 06-18-2016, 07:10 AM   #19
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Originally Posted by MNtraveler View Post
Thanks all for tips and suggestions. The temperature came down at the last hour so we were able to switch to FantasticVent in thermostat and we got to the play although 10 min. late!

The best I can tell without an electrician is the 50' of cord caused some voltage drop which increased the amp draw across multiple appliances. I realized there would be a small voltage drop, for example ---

Attachment 111433

But didn't appreciate that this would cause an amp increase to fulfill the power demand.

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50 foot of extension cord will make all the difference in the world when under load.

It also depends on where you are in the campground as the farther you are from the distribution source the lower the voltage and amps available under load.
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Old 06-18-2016, 01:41 PM   #20
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Have you checked the voltage at the pedistal and the unit ? the voltage drop shoundnt be mutch,with that load, if it is one or both of the cords my be at fault. Have you tried pluging in to the pedistal directly?
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