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mchero's avatar
mchero
Explorer
Aug 23, 2014

BOTH roof AC units running on a 20 amp power source?

I still can't figure out how this is happening! I had done this exact same procedure couple weeks back so I thought I would document the procedure. I'm connected to a 20amp outlet in the garage., a...
Big_Katuna's avatar
Big_Katuna
Explorer II
Aug 23, 2014
Again, I have this same coach and both compressors are not on if its in the 20A mode.

BTW, a 20A breaker can support a 23-24A load for up to a minute.

I have never tried to run both on 20A setting (why?) but have run both on 30A many times in the nine years I have had it. It will run both just fine but the EMS is very careful about sequencing the compressors. Perhaps it switches between the AC's when on 20A.

Also, the ducts are all tied together so cold air comes out all vents even with one AC running.

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