What are the causes of frost crack of electric vehicle heater? So that’s the question we’re going to answer today. Please check the following details:
1. Because of the electric vehicle heater’s improper installation or piping, it makes electric vehicle heater lowest point has water. Then in the winter, the operation process follows the extension of the running time, electric vehicle heater coil is very simple to be iced, and the electric heater will be damaged too.
2. During the air conditioning system designing, electric heater for fresh air preheating heat exchange area with larger allowance, in the process of running in winter, due to the heat transfer area is beyond the demand value is too much. Operating workers regulate heat medium flow control heat medium velocity is too small, it makes the electric heater air side dish tube simple to be frozen and frost crack damage happens in the electric heater.
3. When it comes to the air conditioning system which only works in winter, because the indoor temperature requirements are not high, in order to save energy. The operator in the process of conditioning controls the electric vehicle heater to make heat exchange, since electric vehicle heater heat medium velocity is too small, which simply makes the electric vehicle heater coil tube iced and damage the heat exchanger.
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