The refrigerator has low efficiency
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Are there any other possible reasons for low efficiency in refrigerators besides high circulating water temperature? How to solve this? What’s the effect of using an air-cooled freezer?
Is the refrigerant pressure sufficient? Has there been any change in the coolant concentration?
1. The heat exchanger is prone to scaling, and cleaning is required after long-term operation； 2. Is there a leak in the refrigerant? ； 3. Air cooling can be used as a substitute for circulating water, but it is necessary to consider whether the local extreme temperatures are sufficient for this purpose; moreover, air cooling requires higher investment, so an evaporation condenser could be considered
Someone from the manufacturer came and checked; there are no problems