[Technical Column] Issue 17: Frosting Issues with Outdoor Units in Heat Pumps
The window glass has fogged up, creating a very dangerous situation! Various measures are being considered.
In this column, we will discuss the issue of frost when using heat pumps for vehicle heating. As explained in the 16th column, heat pumps extract heat from the air, and the total of the extracted heat and the compression energy from the compressor is used as a heating source. When the outside air is cold, refrigerant at temperatures below minus 10°C passes through the outdoor unit, cooling the air with that refrigerant, which causes condensation, and the condensed water freezes. Over time, this begins to block the entire surface of the outdoor heat exchanger, resulting in no airflow and preventing heat exchange. In short, the heat pump stops functioning. *For more details on the column, please refer to the related links. For further inquiries, feel free to contact us.
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