Question about Ruud UAMB Air Conditioner
Indoor coil freeze-up is always caused by lack of airflow over the coil. Check your filters, check the coil to be sure it has not been blanketed by dust that bypassed ir went through the filter, check that all vents in the house are open.
Indoor coil freeze-up is NEVER a condition of undercharge, and any technician who attempts to make frost go away by adding freon does not understand thermodynamics.
The only other reason you could have freeze-up is the unit is over-sized, but I suspect that is not the problem since you have had it since 2002.
Posted on Dec 10, 2009
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Posted on Jan 02, 2017
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