Why can't the supermarket freezers outage last?

supermarket freezers open is not always open, but know that if the cabinet temperature dropped to a certain value, cooling will stop, the temperature must be up to a certain value, cooling will continue. But sometimes we can see the supermarket of air-conditioner has been in operation. What's the matter? In a hot summer climate, freezers may not stop. door, door shut, no external ventilation is not good, the freezer door open too frequent, supermarket put too much hot food in the commercial freezer, it is the cause of the supermarket freezers can't work normally under high temperature in summer. The supermarket icebox freezer is not frozen. A situation in which is freezer space environment temperature is below 10 ℃ and temperature compensation switch can't open it. Another case is too much food preservation, and placed crowded, cold air circulation, internal temperature rise of the commercial freezer. Bad also, ghosts door, the door rod deformation or damage, is not sealed, the commercial freezer external ventilation is not good, all is caused by a lack of freezing compartment. Under the high temperature climate in the summer, the supermarket freezers show up without any downtime. Supermarket icebox full of frost, this kind of problem is also common. Outlet no congestion, water is the correct orientation, hole have a problem with the bucket, frozen will overflow, so the first thing to look at the two places. Occasionally heard cabinets of flowing water. This is the activity of the refrigeration operation is normal phenomenon, so don't worry about it. The supermarket freezers said abnormal noise. Please confirm that the freezer is stable, in contact with the wall, or bucket out wrong. In addition, the external cooling tube mutual contact or contact cooling pipe and tank wall when collisions occur will produce noise?

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