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display cooler cooling method and site selection
display cooler cooling method selection
display cooler is divided into direct cooling type display cooler (with frost) and indirect cooling type display cooler (no frost).
display cooler site selection
1. When selecting display cooler on site , First of all, the appearance. The shape of the display cooler should be beautiful and generous. The cabinet body and the cabinet door should be flat and straight, the assembly should be firm, the cabinet door should not be skewed, the clearance between the rotating shaft and the shaft pin should be well matched, and the cabinet door should be pushed and pulled by hand. When, the hand feels flexible. The color of the display cooler surface coating (painting or powder spraying) should be uniform, bright, and there should be no pitting, rust, bruise or scratch marks. The electroplated parts of the display cooler should be bright, fine, and there should be no peeling off of the coating. Foaming liquid must not leak out at the contact points of the cabinet door, cabinet body and placket. The surface of the inner liner and door liner should be smooth and clean. Especially in the vicinity of excessive rounded corners, more attention should be paid. The size of the shelf should be moderate. Visually check whether the door seal of the display cooler and the cabinet body are flat and tight. The knob of the temperature controller should be flexible. After the defrosting button is pressed and released, it should spring back to its original position quickly. In addition, you can check whether the accessories of the display cooler are complete according to the instruction manual of the display cooler.
2. Power on and check the cooling performance and electrical performance of the display cooler. Turn the temperature controller in the display cooler to the stop position, turn on the power, and check the light switch and lighting. When the cabinet door is opened, the light should be on, and it should be off when the cabinet door is close to fully closed. Then adjust the temperature controller to the strong cooling point, the compressor of the display cooler starts to run, and the electrical components of the display cooler should work normally. After five minutes, touch the display cooler condenser (on both sides or back of the display cooler) with your hands. It should feel warm, and the faster the heat, the better. When opening the door of the display cooler, touch the evaporator with your hands, and you should feel cold. Close the cabinet door for about twenty minutes. The condenser area is already very hot. Open the cabinet door and look at the evaporator. There should be a thin and uniform layer of frost on it. If the frost on the evaporator is uneven or a certain part does not form Frost indicates that the cooling performance of the display cooler is not good: for the indirect cooling type display cooler, after 20 minutes, you should open the cabinet door and press the fan switch by hand. At this time, cold wind blows from the tuyere. Finally, adjust the position of the temperature controller, and the compressor should stop working.
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