The air conditioner is divided into two modes: inner circulation and outer circulation. In simple terms, the inner circulation is to let air flow in the compartment, and the role of the outer circulation is to supplement the fresh air in the vehicle. But do you know when the inner and outer loops are used?
When to use the outer loop?
1. Just after purchasing a new car, you should open the outer cycle as much as possible to keep the air inside and outside the car free from escaping as soon as possible so that harmful gases in the car can be released. This is the same as moving into a new house to open windows for ventilation.
2. Comrades who like to smoke in the car need to pay attention to whether or not the vehicle is still or running. When smoking, it is necessary to open the outer circulation to ensure that the smoke can be quickly discharged outside the car. Of course, it's best not to smoke in the car!
3, when running for a long time at high speed, if you keep the internal circulation, it is easy to cause lack of oxygen inside the car, which leads to driver fatigue driving. At this time, you need to open the external circulation to add fresh air inside the car.
When to use the inner loop?
1. When a traffic jam occurs, be sure to open the inner loop. Because the more congested, the greater the density of exhaust gas in the air. Open the inner cycle at this time, can effectively prevent the exhaust outside the car into the car, thus causing harm to our body.
2. As in the case of traffic jams, it is also necessary to open the inner cycle when driving in windy sand and dusty weather. This can not only prevent dust outside the car from entering the car, but also reduce the damage of dust on air conditioning filter elements.
3, open the air conditioning in the summer when cooling, open the inner cycle, the car's cold air can not get out, the car outside the hot air can not get in, not only can reduce the load of air conditioning, cooling effect is better.
4. Another point that is often overlooked by everyone is the use of internal loops when the basement is waiting for someone for a long time. Compared with the outside world, the ventilation conditions of the basement are much poorer. If the car is left for a long time, the generated exhaust gas cannot be quickly dispersed and gathered around the car. Once inside the car, it is dangerous. Of course, the safest method is to stop, turn off the air conditioner, turn off the flame, and wait outside the vehicle.
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