Air Conditioning

[rkscott]

With our 2000 National Tradeswinds Class A motorhome, we have had success running the front and back air conditioners - do they require 50 amp service to function at the same time?

[wa8yxm]

Generally yes, they do require 50 amps.. If you have an enegery management system they may well insist on 50 amps.

On my coach, a 50 amp model, there is no EMS, as a result I have on two occasions, just 2, been able to do it.

1: When the coach was brand new

2: This last week, When I parked I climbed up and CLEANED the condenser coils so that air moves through them way better.

In between (The rig is 5 years old) I've not had success doing it.

Regular cleaning is now on the routine maintenance list.

[Richard S.]

Your coach was manufactured with 50 amp service form shore power or from the generator. You car run both 13.5 BTU air conditioners at once.