![]() If you’re having problems with your ductless mini-split, give our trained technicians a call by phone at (484) 206-8594. If there is ice on your ductless mini-split, immediately deactivate the system and call a licensed technician in your area to troubleshoot this mini-split problem. To avoid this, pay attention to the outside of your system when it’s cold out. ![]() If the defrost cycle is malfunctioning for any reason, however, the unit can become covered with ice and stop drawing heat from the air. This isn’t normally a problem, as ductless mini-split systems are designed with a defrost cycle to melt any ice on the outside unit. If your mini-split is not heating your house, this issue may be caused by frozen coils. If the air near the coil becomes too cold, condensation may begin to form on the casing of the coils. When the refrigerant evaporates, it draws heat out of the surrounding air and into the coil. It does this by evaporating the refrigerant flowing through a coil inside it. Related Article: Ordinary Air Conditioner Compressor Issues Formation of Ice On CoilsĪs previously mentioned, the outside unit of the ductless mini-split collects heat by siphoning heat out of the air. If the air becomes too cold, this may cause a heating problem because your ductless mini-split may struggle to siphon heat from the air. This isn’t a problem unless the temperature drops quite low, but when that does happen the ductless mini-split system struggles to provide enough heat. When the temperature outside drops, the air holds less thermal energy. ![]() Just like heat pumps, though, ductless mini-splits rely on the air around them to provide heat. They use the same method of evaporating and condensing refrigerant to move heat from one place to another, rather than relying on combustion to create heat. If you don’t the ice may damage the interior of the aircon, leading to more expensive repairs.Ductless mini-splits may look very different from other heating systems, but they actually have a lot in common with heat pumps. If your aircon is spitting out ice, it is indicative of bad maintenance habits (or lack of it).Īlways solve the problem at the root whenever it manifests itself. You can do this on your own, but you can always call a technician over if you don’t know what to do. The evaporator coil needs to be cleaned at least once a year. We recommend cleaning the air filter every 250 hours of use, or at least once a month. Since poor maintenance is the cause of your icing problem, the best way to solve it is through proper maintenance! Here are the things you can do to prevent this problem from recurring: Clean the air filter regularly Warning: Don’t try to scrape off the ice on the evaporator coils – this can lead to long-term damage like Freon leaks when you puncture the coils. Clean the air filter, then put it back in.Īdditionally, you can have the evaporator coils cleaned by a technician to clean out any left over ice and gunk over the coils.Allow the ice to melt naturally – this can take about half a day.Turn off and unplug your unit immediately.What to do when your aircon is spitting out iceĭo these immediately when your air conditioner has ice inside of it: The thick dust from the filter can trap cold air over the evaporator coils, and if the air is humid enough, it can form ice inside your air conditioner.Įventually, the ice gets spitted out when it defrosts, giving you an unpleasant surprise during a hot day. The ice will build-up over your evaporator if the air flowing over it is impeded by a dirty or clogged air filter. The evaporator icing over is not the problem but the symptom. Warning: Before checking the innards of your aircon, make sure to unplug it first to prevent electrocution! Why does ice form inside your aircon? If you want to check, the evaporator is located inside the air intake panel, behind the filter. ![]() ![]() This is why the evaporator is the coldest part of the aircon, and why it is the prime suspect when your your unit is spitting out ice. During the evaporation process, it absorbs the heat from the air, thereby cooling down the air. The evaporator is where the refrigerant gas (known as Freon) evaporates. The ice is coming from your aircon’s evaporator.
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