Coleman mach 3 ac freezing up
We are having a freeze up problem with the ducted Coleman mach 3 ac unit. The evaporator is clean and the filter is new. We run it on high cold and turn the thermostat down from max cold. This past we...
Forum Discussion
Very possible the Ceiling tstat is bad. If on HI COOL, RV roof top units with mechanical controls rarely freeze up due to the higher volume of air over the coils. They usually freeze up on the lo fan speed. Which is normal. Doug
