My RV has a Ducted Coleman 8335B676 & doesn't work well in hot areas is the 48204C866 significantly better cooling?
Coleman Mach 15 Plus 48204-066 RV Rooftop Air Conditioner - White - 15K
The evaporator, filters and ducts are clean and the unit operates OK but the existing unit does not provide enough cooling capacity.
Question ID: 2497900 Status:
Open Aug 29, 2018 - 05:25 AM
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Aug 29, 2018 - 09:19 AM
Both of those models, the 8335B676 and the 48204C866, are 15,000BTU so they are essentially going to run the same. Not getting proper cooling temperature could be a number of things. Since you have ruled out the possibility of it being blocked air flow or a dirty filter, the only other thing I could recommend checking on is the starting temp and cooling temp. Check the temperature of the filter as you are turning the A/C on and 15 minutes later you should notice a 16-22 degree drop from the filter temp to the temp of the air flow coming out of the A/C. If it has not dropped in temperature, it would be likely that it is a dirty condenser coil.
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