The seven numbers from 0 to 7, in which the zero gear is closed, and the seven gears of 1 to 7 are getting lower and lower with the increase of numbers, that is, the freezing room temperature of 1 is the highest, and the freezing room temperature of the seventh gear is the lowest;
In fact, the gear adjustment of the refrigerator is to ensure the reasonable working state of the compressor, and finally achieve the effect of refrigeration and energy saving, that is to say, when the compressor works at 1, it can reach the required temperature in a short time, so the compressor stops working.
Common sense of refrigerator:
First, the dividing point between air cooling and direct cooling is about 300 liters, and large-volume multi-room air cooling has advantages.
Second, it has a large volume and many rooms. Air cooling has an absolute advantage in cold energy distribution. If direct cooling is adopted, there will be technical obstacles and it will be difficult to achieve. The number of directly cooled rooms has basically reached the limit. If you want to make more rooms, you have to sacrifice some performance.
Third, the air-cooled refrigerator has more fans to supply air, so the indoor temperature of the refrigerator is relatively average, and there is no great temperature change, so the cooling effect is naturally excellent. However, considering the function of the fan and the complicated circuit design, the energy consumption and noise of the air-cooled refrigerator are much higher than that of the direct-cooled refrigerator.