Coleman Mach 15 A/C & Generac NP50-G Genset
I installed a Coleman Mach 15 A/C as a second unit on my motor home. The rear A/C is wired to run from the 20 AMP breaker only from the generator (4800 Watts). The 30 AMP breaker connects to the tra...
Forum Discussion
dougrainer wrote:
It seems that your unit may be short cycling? How long does it wait before trying the 2nd compressor start?
Can you test the new AC on shore power? Doug
The temperature outside when I tested was 60F. I set the thermostat to the bottom, the compressor did not run very long and then would try to kick back on.
I tested the voltage from the generator at no load and it was 126 volts.
I tested the A/C from a 20 AMP household circuit and it ran fine.
Yesterday I ran the A/C from the generator when the outside temperature was 75F and the generator ran the A/C with no problem for 15 minutes and then I shut it down.
I ordered the components to build this:
If I am at a campground with 50 AMP service and I need to run both A/Cs, I will have the ability. I am going to run one hot to the 20 AMP outlet breaker and one hot to the 30 AMP RV outlet breaker. I could wire with just one hot and jump it across to both breakers, but I think I will use 10/3 with a ground instead of 8/3.
