Water leaking out of your ductless mini-split system in Lebanon, TN, can understandably cause concern. The causes can range from minor issues to more significant ones, and a licensed HVAC technician from our team can address any of them. Here are some reasons your ductless mini-split system may be leaking water.
Broken Drain Pan
When your mini-split system operates, it removes humidity from the air. Moisture from the humidity condenses on evaporator coils and then drips down, collecting in the drain pan. If the drain pan has a crack or hole, water will leak.
Clogged Condensate Drain Line
After the drain pan, the water that collects during the operation of the mini-split system flows out through the drain line. However, dust, dirt and small particles can block the drain line. This can make it difficult for water to flow freely, causing water to pool in the drain pan and eventually overflow.
Improper Installation
If your technician doesn’t perform a proper mini-split system installation, water may not flow from the drain pan into the drain line. It can eventually overflow in this situation, so you’ll need an HVAC technician to correct the problem.
Frozen Evaporator Coils
Due to other issues, such as poor airflow, a dirty air filter or a refrigerant leak, the mini-split system’s evaporator coils can get cold. The water the unit removes from the air during the cooling process can then freeze as it encounters those coils. When the mini-split system stops actively cooling, that ice can melt and create more water than the drain pan can handle, resulting in water flowing over the drain pan.
Frozen evaporator coils, improper installation, a clogged condensate drain line and a broken drain pan can all cause water to leak out of your system. If you ever notice this problem, call Derryberry’s Heat & Air to schedule a ductless mini-split system repair appointment in Lebanon, TN.
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