The heat energy of automobile warm air is cooling water. The reason for the slow temperature rise is that the engine has just started and the water temperature is not hot. As long as the water temperature rises to 90 degrees, the heating will be normal.
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Principle of automobile warm air: When the engine coolant temperature is high, the coolant flows through the heat exchanger in the warm air system (generally called warm air small water tank), and the air sent by the blower exchanges heat with the engine coolant. After the air is heated, it is sent into the car through various air outlets by the blower. The heating system is simple and reliable, and no additional fuel is needed. As long as the engine works, it can produce hot water. But it also has its obvious disadvantage, that is, the engine coolant temperature must be heated when it rises to a large cycle.
Warm air on the steps:
1. After the car is started, after about 8- 15 minutes, the water temperature rises to normal temperature, and the warm air can be turned on at this time. (that is, when the water temperature rises to the middle)
2. Adjust the circulation mode of the air conditioner to in-vehicle circulation.
3. Switch to warm air mode, some cars are red areas, and some cars are representatives of the sun.
4. Don't turn on the air conditioner (don't turn on the AC switch), because the warm air uses the thermal cycle of the car itself to save energy!
5. Adjust the air conditioning gear to adapt to the gear, and adjust the wind direction of the air outlet. The direction of warm wind blowing is generally forward and underfoot blowing, while cold wind blowing is generally forward blowing.