30 amp VS 50 amp

[bubblerboy64]

This bus has a three prong connector so it is obviously 30 amp. The
generator is I am all but certain the original ONAN which I think
might be 8.5 kilowatts (?) I can check on that and get back. Sounds
to me like it might be a good idea to see about switching to 50 amp
some time. I am also not happy with the position of the circuit
braker panel which is in the one largest closet a long with the
switch to go from shore power to generator. If you have stuff in the
closet you are have to dig thru your stuff to get to that switch. I
guess that gets put on the list of things to do. I can likely live a
while running just the one air conditioner at a time until I get to
this. One thing that does seem good is the shore cable is a 10 gauge
heavy sucker. I'll have both airs up and running in a week. How do
you know when the generator is being "worked" too hard. I have used
Honda portables in the past and they have protectors which will shut
the generators down. With this ONAN how would a person know if it is
being pushed too hard?

John Heckman
central Pa
1973 FC





>
> 30 amp service will be barely adequate for 2 ACs. If you're
replacing
> one, try to get one of the "high efficiency" models that draw 10
amps
> instead of the more typical 14-15 amps.
>
> The problem with 30 amp service is that the AC will spike to 25-30
> amps when the compressor kicks in before it drops back to the
normal
> 14-15 amp draw. The 10 amp models only spike to about 20 amps.
>
> When I was plugged into a 30 amp service, I was successfully
running
> two ACs (both 10 amp high efficiency models) -- then the
refrigerator
> went on and then the lights went off....
>
> So, load management is a serious issue when running dual ACs on 30
amps.
>
> Some of the early 'birds had dual 30 amp cords, so it might be
> possible to convert yours to 50 amp service.
>
> The 30 amp cords have 3 pins on the plug and the 50 amp cords have
4
> pins. In RV setups, the 50 amp service is split into two 50
amp/120
> vac legs -- you'll need to do some internal rewiring of your
> distribution panel... and you may want to install "mains" for the
> inbound cord if you convert to 50 amp service -- but it's probably
> doable if you're conversant with electrical matters or can get
some
> help from a competent electrician who's familiar with RV wiring
> techniques.
>
> ===============================================
> Pete Masterson, Author of
> Book Design and Production: A Guide for Authors and Publishers
> Aeonix1@...
> Aeonix Publishing Group http://www.aeonix.com
> ===============================================
>
>
> On Jul 7, 2007, at 8:25 AM, bubblerboy64 wrote:
>
> > My 1973 FC has a 30 amp service, or at least that's what is
stamped on
> > the shore cord. This bus has two air conditioners front and
back.
> > <snip>
>
> > Am I going to be ok with 30 amp service? This bus was
> > delivered new with two air conditioners I am pretty certain but
every
> > RV I have ever seen with two airs was always 50 amps. And I guess
I
> > could be wrong but there are two there now anyways. What if
anything
> > needs to be done?
>
>
>
> [Non-text portions of this message have been removed]
>