Roof a/c froze into a block of ice overnight.
I had the thermostat set so it wouldn't get too cold in here, like I always do. Had it set to "low cool." Woke to a/c sounding very bad. Shut it off, opened the hatch inside the coach and found the co...
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No filters on the roof. These units have to be perfect not to freeze. And often they aren't..ducting is too restrictive, recirculating cold air, freeze sensors located incorrectly. The two best antidotes to get you through: high fan speed, and set the thermostat high enough the compressor shuts off before the icing occurs.
