Hi, well if there is no power in your cottage and there are no AC breakers tripped in the main panel in the cottage then perhaps you have a Utility power failure? Sometimes breakers trip but they do not look like they have. I would suggest disconnecting your coach from the shore power plug (on your cottage) and then physically trip and reset all your breakers in the cottage main panel to see if the cottage re-powers. If the coach A/C worked for an hour it sounds like 120VAC things related to A/C "were OK".
Regarding the A/C water on the floor.......you may have a loose A/C unit which needs to be snugged back up to the roof seal. I think you might be able to access them by removing the plastic plenum cover on the ceiling and looking for the mounting bolts that secure the A/C down to the roof. Best to check your A/C manual installation info to confirm. The condensate from the A/C operation is typically dumped out of drains on either side of the A/C roof base. Sometimes they plug up and need to be cleaned out....requires a roof visit and shroud removal to find them though.
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